diff --git a/[refs] b/[refs]
index 77bde5f25e1d..b05ec290b232 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
---
-refs/heads/master: 1ad2096c4eba144522d87541c4024b8c84e95051
+refs/heads/master: 696d6e178a95d95dbb222d89e5e91a6fa9911440
diff --git a/trunk/Documentation/DocBook/sh.tmpl b/trunk/Documentation/DocBook/sh.tmpl
index 4a38f604fa66..d858d92cf6d9 100644
--- a/trunk/Documentation/DocBook/sh.tmpl
+++ b/trunk/Documentation/DocBook/sh.tmpl
@@ -79,6 +79,10 @@
+
+ Clock Framework Extensions
+!Iinclude/linux/sh_clk.h
+
Machine Specific Interfaces
diff --git a/trunk/Documentation/DocBook/uio-howto.tmpl b/trunk/Documentation/DocBook/uio-howto.tmpl
index b4665b9c40b0..4d4ce0e61e42 100644
--- a/trunk/Documentation/DocBook/uio-howto.tmpl
+++ b/trunk/Documentation/DocBook/uio-howto.tmpl
@@ -16,7 +16,7 @@
- hjk@hansjkoch.de
+ hjk@linutronix.de
@@ -114,7 +114,7 @@ GPL version 2.
If you know of any translations for this document, or you are
interested in translating it, please email me
-hjk@hansjkoch.de.
+hjk@linutronix.de.
@@ -171,7 +171,7 @@ interested in translating it, please email me
Feedback
Find something wrong with this document? (Or perhaps something
right?) I would love to hear from you. Please email me at
- hjk@hansjkoch.de.
+ hjk@linutronix.de.
diff --git a/trunk/Documentation/development-process/2.Process b/trunk/Documentation/development-process/2.Process
index 911a45186340..97726eba6102 100644
--- a/trunk/Documentation/development-process/2.Process
+++ b/trunk/Documentation/development-process/2.Process
@@ -154,7 +154,7 @@ The stages that a patch goes through are, generally:
inclusion, it should be accepted by a relevant subsystem maintainer -
though this acceptance is not a guarantee that the patch will make it
all the way to the mainline. The patch will show up in the maintainer's
- subsystem tree and into the -next trees (described below). When the
+ subsystem tree and into the staging trees (described below). When the
process works, this step leads to more extensive review of the patch and
the discovery of any problems resulting from the integration of this
patch with work being done by others.
@@ -236,7 +236,7 @@ finding the right maintainer. Sending patches directly to Linus is not
normally the right way to go.
-2.4: NEXT TREES
+2.4: STAGING TREES
The chain of subsystem trees guides the flow of patches into the kernel,
but it also raises an interesting question: what if somebody wants to look
@@ -250,7 +250,7 @@ changes land in the mainline kernel. One could pull changes from all of
the interesting subsystem trees, but that would be a big and error-prone
job.
-The answer comes in the form of -next trees, where subsystem trees are
+The answer comes in the form of staging trees, where subsystem trees are
collected for testing and review. The older of these trees, maintained by
Andrew Morton, is called "-mm" (for memory management, which is how it got
started). The -mm tree integrates patches from a long list of subsystem
@@ -275,7 +275,7 @@ directory at:
Use of the MMOTM tree is likely to be a frustrating experience, though;
there is a definite chance that it will not even compile.
-The other -next tree, started more recently, is linux-next, maintained by
+The other staging tree, started more recently, is linux-next, maintained by
Stephen Rothwell. The linux-next tree is, by design, a snapshot of what
the mainline is expected to look like after the next merge window closes.
Linux-next trees are announced on the linux-kernel and linux-next mailing
@@ -303,25 +303,12 @@ volatility of linux-next tends to make it a difficult development target.
See http://lwn.net/Articles/289013/ for more information on this topic, and
stay tuned; much is still in flux where linux-next is involved.
-2.4.1: STAGING TREES
-
-The kernel source tree now contains the drivers/staging/ directory, where
-many sub-directories for drivers or filesystems that are on their way to
-being added to the kernel tree live. They remain in drivers/staging while
-they still need more work; once complete, they can be moved into the
-kernel proper. This is a way to keep track of drivers that aren't
-up to Linux kernel coding or quality standards, but people may want to use
-them and track development.
-
-Greg Kroah-Hartman currently (as of 2.6.36) maintains the staging tree.
-Drivers that still need work are sent to him, with each driver having
-its own subdirectory in drivers/staging/. Along with the driver source
-files, a TODO file should be present in the directory as well. The TODO
-file lists the pending work that the driver needs for acceptance into
-the kernel proper, as well as a list of people that should be Cc'd for any
-patches to the driver. Staging drivers that don't currently build should
-have their config entries depend upon CONFIG_BROKEN. Once they can
-be successfully built without outside patches, CONFIG_BROKEN can be removed.
+Besides the mmotm and linux-next trees, the kernel source tree now contains
+the drivers/staging/ directory and many sub-directories for drivers or
+filesystems that are on their way to being added to the kernel tree
+proper, but they remain in drivers/staging/ while they still need more
+work.
+
2.5: TOOLS
diff --git a/trunk/Documentation/fb/00-INDEX b/trunk/Documentation/fb/00-INDEX
index 30a70542e823..a618fd99c9f0 100644
--- a/trunk/Documentation/fb/00-INDEX
+++ b/trunk/Documentation/fb/00-INDEX
@@ -4,41 +4,33 @@ please mail me.
Geert Uytterhoeven
00-INDEX
- - this file.
+ - this file
arkfb.txt
- info on the fbdev driver for ARK Logic chips.
aty128fb.txt
- info on the ATI Rage128 frame buffer driver.
cirrusfb.txt
- info on the driver for Cirrus Logic chipsets.
-cmap_xfbdev.txt
- - an introduction to fbdev's cmap structures.
deferred_io.txt
- an introduction to deferred IO.
-efifb.txt
- - info on the EFI platform driver for Intel based Apple computers.
-ep93xx-fb.txt
- - info on the driver for EP93xx LCD controller.
fbcon.txt
- intro to and usage guide for the framebuffer console (fbcon).
framebuffer.txt
- introduction to frame buffer devices.
-gxfb.txt
- - info on the framebuffer driver for AMD Geode GX2 based processors.
+imacfb.txt
+ - info on the generic EFI platform driver for Intel based Macs.
intel810.txt
- documentation for the Intel 810/815 framebuffer driver.
intelfb.txt
- docs for Intel 830M/845G/852GM/855GM/865G/915G/945G fb driver.
internals.txt
- quick overview of frame buffer device internals.
-lxfb.txt
- - info on the framebuffer driver for AMD Geode LX based processors.
matroxfb.txt
- info on the Matrox framebuffer driver for Alpha, Intel and PPC.
-metronomefb.txt
- - info on the driver for the Metronome display controller.
modedb.txt
- info on the video mode database.
+matroxfb.txt
+ - info on the Matrox frame buffer driver.
pvr2fb.txt
- info on the PowerVR 2 frame buffer driver.
pxafb.txt
@@ -47,23 +39,13 @@ s3fb.txt
- info on the fbdev driver for S3 Trio/Virge chips.
sa1100fb.txt
- information about the driver for the SA-1100 LCD controller.
-sh7760fb.txt
- - info on the SH7760/SH7763 integrated LCDC Framebuffer driver.
sisfb.txt
- info on the framebuffer device driver for various SiS chips.
sstfb.txt
- info on the frame buffer driver for 3dfx' Voodoo Graphics boards.
tgafb.txt
- - info on the TGA (DECChip 21030) frame buffer driver.
-tridentfb.txt
- info on the framebuffer driver for some Trident chip based cards.
-uvesafb.txt
- - info on the userspace VESA (VBE2+ compliant) frame buffer device.
+ - info on the TGA (DECChip 21030) frame buffer driver
vesafb.txt
- - info on the VESA frame buffer device.
-viafb.modes
- - list of modes for VIA Integration Graphic Chip.
-viafb.txt
- - info on the VIA Integration Graphic Chip console framebuffer driver.
+ - info on the VESA frame buffer device
vt8623fb.txt
- info on the fb driver for the graphics core in VIA VT8623 chipsets.
diff --git a/trunk/Documentation/filesystems/configfs/configfs_example_explicit.c b/trunk/Documentation/filesystems/configfs/configfs_example_explicit.c
index fd53869f5633..d428cc9f07f3 100644
--- a/trunk/Documentation/filesystems/configfs/configfs_example_explicit.c
+++ b/trunk/Documentation/filesystems/configfs/configfs_example_explicit.c
@@ -89,7 +89,7 @@ static ssize_t childless_storeme_write(struct childless *childless,
char *p = (char *) page;
tmp = simple_strtoul(p, &p, 10);
- if ((*p != '\0') && (*p != '\n'))
+ if (!p || (*p && (*p != '\n')))
return -EINVAL;
if (tmp > INT_MAX)
diff --git a/trunk/Documentation/gpio.txt b/trunk/Documentation/gpio.txt
index 792faa3c06cf..9633da01ff46 100644
--- a/trunk/Documentation/gpio.txt
+++ b/trunk/Documentation/gpio.txt
@@ -617,16 +617,6 @@ and have the following read/write attributes:
is configured as an output, this value may be written;
any nonzero value is treated as high.
- If the pin can be configured as interrupt-generating interrupt
- and if it has been configured to generate interrupts (see the
- description of "edge"), you can poll(2) on that file and
- poll(2) will return whenever the interrupt was triggered. If
- you use poll(2), set the events POLLPRI and POLLERR. If you
- use select(2), set the file descriptor in exceptfds. After
- poll(2) returns, either lseek(2) to the beginning of the sysfs
- file and read the new value or close the file and re-open it
- to read the value.
-
"edge" ... reads as either "none", "rising", "falling", or
"both". Write these strings to select the signal edge(s)
that will make poll(2) on the "value" file return.
diff --git a/trunk/Documentation/hwmon/lm93 b/trunk/Documentation/hwmon/lm93
index 7a10616d0b44..ac711f357faf 100644
--- a/trunk/Documentation/hwmon/lm93
+++ b/trunk/Documentation/hwmon/lm93
@@ -11,7 +11,7 @@ Authors:
Mark M. Hoffman
Ported to 2.6 by Eric J. Bowersox
Adapted to 2.6.20 by Carsten Emde
- Modified for mainline integration by Hans J. Koch
+ Modified for mainline integration by Hans J. Koch
Module Parameters
-----------------
diff --git a/trunk/Documentation/hwmon/max6650 b/trunk/Documentation/hwmon/max6650
index c565650fcfc6..8be7beb9e3e8 100644
--- a/trunk/Documentation/hwmon/max6650
+++ b/trunk/Documentation/hwmon/max6650
@@ -8,7 +8,7 @@ Supported chips:
Datasheet: http://pdfserv.maxim-ic.com/en/ds/MAX6650-MAX6651.pdf
Authors:
- Hans J. Koch
+ Hans J. Koch
John Morris
Claus Gindhart
diff --git a/trunk/Documentation/kernel-parameters.txt b/trunk/Documentation/kernel-parameters.txt
index cdd2a6e8a3b7..92e83e53148f 100644
--- a/trunk/Documentation/kernel-parameters.txt
+++ b/trunk/Documentation/kernel-parameters.txt
@@ -2385,11 +2385,6 @@ and is between 256 and 4096 characters. It is defined in the file
improve throughput, but will also increase the
amount of memory reserved for use by the client.
- swapaccount[=0|1]
- [KNL] Enable accounting of swap in memory resource
- controller if no parameter or 1 is given or disable
- it if 0 is given (See Documentation/cgroups/memory.txt)
-
swiotlb= [IA-64] Number of I/O TLB slabs
switches= [HW,M68k]
diff --git a/trunk/Documentation/power/opp.txt b/trunk/Documentation/power/opp.txt
index cd445582d1f8..44d87ad3cea9 100644
--- a/trunk/Documentation/power/opp.txt
+++ b/trunk/Documentation/power/opp.txt
@@ -37,9 +37,6 @@ Typical usage of the OPP library is as follows:
SoC framework -> modifies on required cases certain OPPs -> OPP layer
-> queries to search/retrieve information ->
-Architectures that provide a SoC framework for OPP should select ARCH_HAS_OPP
-to make the OPP layer available.
-
OPP layer expects each domain to be represented by a unique device pointer. SoC
framework registers a set of initial OPPs per device with the OPP layer. This
list is expected to be an optimally small number typically around 5 per device.
diff --git a/trunk/Documentation/sh/clk.txt b/trunk/Documentation/sh/clk.txt
new file mode 100644
index 000000000000..114b595cfa97
--- /dev/null
+++ b/trunk/Documentation/sh/clk.txt
@@ -0,0 +1,32 @@
+Clock framework on SuperH architecture
+
+The framework on SH extends existing API by the function clk_set_rate_ex,
+which prototype is as follows:
+
+ clk_set_rate_ex (struct clk *clk, unsigned long rate, int algo_id)
+
+The algo_id parameter is used to specify algorithm used to recalculate clocks,
+adjanced to clock, specified as first argument. It is assumed that algo_id==0
+means no changes to adjanced clock
+
+Internally, the clk_set_rate_ex forwards request to clk->ops->set_rate method,
+if it is present in ops structure. The method should set the clock rate and adjust
+all needed clocks according to the passed algo_id.
+Exact values for algo_id are machine-dependent. For the sh7722, the following
+values are defined:
+
+ NO_CHANGE = 0,
+ IUS_N1_N1, /* I:U = N:1, U:Sh = N:1 */
+ IUS_322, /* I:U:Sh = 3:2:2 */
+ IUS_522, /* I:U:Sh = 5:2:2 */
+ IUS_N11, /* I:U:Sh = N:1:1 */
+ SB_N1, /* Sh:B = N:1 */
+ SB3_N1, /* Sh:B3 = N:1 */
+ SB3_32, /* Sh:B3 = 3:2 */
+ SB3_43, /* Sh:B3 = 4:3 */
+ SB3_54, /* Sh:B3 = 5:4 */
+ BP_N1, /* B:P = N:1 */
+ IP_N1 /* I:P = N:1 */
+
+Each of these constants means relation between clocks that can be set via the FRQCR
+register
diff --git a/trunk/MAINTAINERS b/trunk/MAINTAINERS
index b3be8b3d0437..8e6548dbd5db 100644
--- a/trunk/MAINTAINERS
+++ b/trunk/MAINTAINERS
@@ -1359,7 +1359,7 @@ F: include/net/bluetooth/
BONDING DRIVER
M: Jay Vosburgh
-L: netdev@vger.kernel.org
+L: bonding-devel@lists.sourceforge.net
W: http://sourceforge.net/projects/bonding/
S: Supported
F: drivers/net/bonding/
@@ -1829,13 +1829,6 @@ W: http://www.chelsio.com
S: Supported
F: drivers/net/cxgb4vf/
-STMMAC ETHERNET DRIVER
-M: Giuseppe Cavallaro
-L: netdev@vger.kernel.org
-W: http://www.stlinux.com
-S: Supported
-F: drivers/net/stmmac/
-
CYBERPRO FB DRIVER
M: Russell King
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@@ -2015,7 +2008,6 @@ F: drivers/hwmon/dme1737.c
DOCBOOK FOR DOCUMENTATION
M: Randy Dunlap
S: Maintained
-F: scripts/kernel-doc
DOCKING STATION DRIVER
M: Shaohua Li
@@ -2026,7 +2018,6 @@ F: drivers/acpi/dock.c
DOCUMENTATION
M: Randy Dunlap
L: linux-doc@vger.kernel.org
-T: quilt oss.oracle.com/~rdunlap/kernel-doc-patches/current/
S: Maintained
F: Documentation/
@@ -2444,12 +2435,10 @@ F: drivers/net/wan/sdla.c
FRAMEBUFFER LAYER
L: linux-fbdev@vger.kernel.org
W: http://linux-fbdev.sourceforge.net/
-Q: http://patchwork.kernel.org/project/linux-fbdev/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6.git
S: Orphan
F: Documentation/fb/
-F: drivers/video/
-F: include/video/
+F: drivers/video/fb*
F: include/linux/fb.h
FREESCALE DMA DRIVER
@@ -5839,8 +5828,6 @@ M: Chris Metcalf
W: http://www.tilera.com/scm/
S: Supported
F: arch/tile/
-F: drivers/char/hvc_tile.c
-F: drivers/net/tile/
TLAN NETWORK DRIVER
M: Samuel Chessman
diff --git a/trunk/Makefile b/trunk/Makefile
index b31d21377e4c..ab5359db3d17 100644
--- a/trunk/Makefile
+++ b/trunk/Makefile
@@ -1,7 +1,7 @@
VERSION = 2
PATCHLEVEL = 6
SUBLEVEL = 37
-EXTRAVERSION = -rc3
+EXTRAVERSION = -rc2
NAME = Flesh-Eating Bats with Fangs
# *DOCUMENTATION*
diff --git a/trunk/arch/arm/boot/compressed/head.S b/trunk/arch/arm/boot/compressed/head.S
index 9be21ba648cd..6825c34646d4 100644
--- a/trunk/arch/arm/boot/compressed/head.S
+++ b/trunk/arch/arm/boot/compressed/head.S
@@ -1084,6 +1084,6 @@ memdump: mov r12, r0
reloc_end:
.align
- .section ".stack", "aw", %nobits
+ .section ".stack", "w"
user_stack: .space 4096
user_stack_end:
diff --git a/trunk/arch/arm/boot/compressed/vmlinux.lds.in b/trunk/arch/arm/boot/compressed/vmlinux.lds.in
index 366a924019ac..d08168941bd6 100644
--- a/trunk/arch/arm/boot/compressed/vmlinux.lds.in
+++ b/trunk/arch/arm/boot/compressed/vmlinux.lds.in
@@ -57,7 +57,7 @@ SECTIONS
.bss : { *(.bss) }
_end = .;
- .stack : { *(.stack) }
+ .stack (NOLOAD) : { *(.stack) }
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
diff --git a/trunk/arch/arm/include/asm/assembler.h b/trunk/arch/arm/include/asm/assembler.h
index 749bb6622404..062b58c029ab 100644
--- a/trunk/arch/arm/include/asm/assembler.h
+++ b/trunk/arch/arm/include/asm/assembler.h
@@ -238,7 +238,7 @@
@ Slightly optimised to avoid incrementing the pointer twice
usraccoff \instr, \reg, \ptr, \inc, 0, \cond, \abort
.if \rept == 2
- usraccoff \instr, \reg, \ptr, \inc, \inc, \cond, \abort
+ usraccoff \instr, \reg, \ptr, \inc, 4, \cond, \abort
.endif
add\cond \ptr, #\rept * \inc
diff --git a/trunk/arch/arm/include/asm/mmu.h b/trunk/arch/arm/include/asm/mmu.h
index b4ffe9d5b526..68870c776671 100644
--- a/trunk/arch/arm/include/asm/mmu.h
+++ b/trunk/arch/arm/include/asm/mmu.h
@@ -13,10 +13,6 @@ typedef struct {
#ifdef CONFIG_CPU_HAS_ASID
#define ASID(mm) ((mm)->context.id & 255)
-
-/* init_mm.context.id_lock should be initialized. */
-#define INIT_MM_CONTEXT(name) \
- .context.id_lock = __SPIN_LOCK_UNLOCKED(name.context.id_lock),
#else
#define ASID(mm) (0)
#endif
diff --git a/trunk/arch/arm/include/asm/pgtable.h b/trunk/arch/arm/include/asm/pgtable.h
index 53d1d5deb111..b155414192da 100644
--- a/trunk/arch/arm/include/asm/pgtable.h
+++ b/trunk/arch/arm/include/asm/pgtable.h
@@ -374,9 +374,6 @@ static inline pte_t *pmd_page_vaddr(pmd_t pmd)
#define pmd_page(pmd) pfn_to_page(__phys_to_pfn(pmd_val(pmd)))
-/* we don't need complex calculations here as the pmd is folded into the pgd */
-#define pmd_addr_end(addr,end) (end)
-
/*
* Conversion functions: convert a page and protection to a page entry,
* and a page entry and page directory to the page they refer to.
diff --git a/trunk/arch/arm/lib/findbit.S b/trunk/arch/arm/lib/findbit.S
index 64f6bc1a9132..1e4cbd4e7be9 100644
--- a/trunk/arch/arm/lib/findbit.S
+++ b/trunk/arch/arm/lib/findbit.S
@@ -174,8 +174,8 @@ ENDPROC(_find_next_bit_be)
*/
.L_found:
#if __LINUX_ARM_ARCH__ >= 5
- rsb r0, r3, #0
- and r3, r3, r0
+ rsb r1, r3, #0
+ and r3, r3, r1
clz r3, r3
rsb r3, r3, #31
add r0, r2, r3
@@ -190,7 +190,5 @@ ENDPROC(_find_next_bit_be)
addeq r2, r2, #1
mov r0, r2
#endif
- cmp r1, r0 @ Clamp to maxbit
- movlo r0, r1
mov pc, lr
diff --git a/trunk/arch/arm/mach-aaec2000/include/mach/vmalloc.h b/trunk/arch/arm/mach-aaec2000/include/mach/vmalloc.h
index a6299e8321bd..cff4e0a996ce 100644
--- a/trunk/arch/arm/mach-aaec2000/include/mach/vmalloc.h
+++ b/trunk/arch/arm/mach-aaec2000/include/mach/vmalloc.h
@@ -11,6 +11,6 @@
#ifndef __ASM_ARCH_VMALLOC_H
#define __ASM_ARCH_VMALLOC_H
-#define VMALLOC_END 0xd0000000UL
+#define VMALLOC_END 0xd0000000
#endif /* __ASM_ARCH_VMALLOC_H */
diff --git a/trunk/arch/arm/mach-bcmring/include/mach/vmalloc.h b/trunk/arch/arm/mach-bcmring/include/mach/vmalloc.h
index 7397bd7817d9..3db3a09fd398 100644
--- a/trunk/arch/arm/mach-bcmring/include/mach/vmalloc.h
+++ b/trunk/arch/arm/mach-bcmring/include/mach/vmalloc.h
@@ -22,4 +22,4 @@
* 0xe0000000 to 0xefffffff. This gives us 256 MB of vm space and handles
* larger physical memory designs better.
*/
-#define VMALLOC_END 0xf0000000UL
+#define VMALLOC_END 0xf0000000
diff --git a/trunk/arch/arm/mach-clps711x/include/mach/vmalloc.h b/trunk/arch/arm/mach-clps711x/include/mach/vmalloc.h
index 467b96137e47..30b3a287ed88 100644
--- a/trunk/arch/arm/mach-clps711x/include/mach/vmalloc.h
+++ b/trunk/arch/arm/mach-clps711x/include/mach/vmalloc.h
@@ -17,4 +17,4 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#define VMALLOC_END 0xd0000000UL
+#define VMALLOC_END 0xd0000000
diff --git a/trunk/arch/arm/mach-davinci/dm355.c b/trunk/arch/arm/mach-davinci/dm355.c
index 2652af124acd..9be261beae7d 100644
--- a/trunk/arch/arm/mach-davinci/dm355.c
+++ b/trunk/arch/arm/mach-davinci/dm355.c
@@ -359,8 +359,8 @@ static struct clk_lookup dm355_clks[] = {
CLK(NULL, "uart1", &uart1_clk),
CLK(NULL, "uart2", &uart2_clk),
CLK("i2c_davinci.1", NULL, &i2c_clk),
- CLK("davinci-mcbsp.0", NULL, &asp0_clk),
- CLK("davinci-mcbsp.1", NULL, &asp1_clk),
+ CLK("davinci-asp.0", NULL, &asp0_clk),
+ CLK("davinci-asp.1", NULL, &asp1_clk),
CLK("davinci_mmc.0", NULL, &mmcsd0_clk),
CLK("davinci_mmc.1", NULL, &mmcsd1_clk),
CLK("spi_davinci.0", NULL, &spi0_clk),
@@ -664,7 +664,7 @@ static struct resource dm355_asp1_resources[] = {
};
static struct platform_device dm355_asp1_device = {
- .name = "davinci-mcbsp",
+ .name = "davinci-asp",
.id = 1,
.num_resources = ARRAY_SIZE(dm355_asp1_resources),
.resource = dm355_asp1_resources,
diff --git a/trunk/arch/arm/mach-davinci/dm365.c b/trunk/arch/arm/mach-davinci/dm365.c
index c466d710d3c1..a12065e87266 100644
--- a/trunk/arch/arm/mach-davinci/dm365.c
+++ b/trunk/arch/arm/mach-davinci/dm365.c
@@ -459,7 +459,7 @@ static struct clk_lookup dm365_clks[] = {
CLK(NULL, "usb", &usb_clk),
CLK("davinci_emac.1", NULL, &emac_clk),
CLK("davinci_voicecodec", NULL, &voicecodec_clk),
- CLK("davinci-mcbsp", NULL, &asp0_clk),
+ CLK("davinci-asp.0", NULL, &asp0_clk),
CLK(NULL, "rto", &rto_clk),
CLK(NULL, "mjcp", &mjcp_clk),
CLK(NULL, NULL, NULL),
@@ -922,8 +922,8 @@ static struct resource dm365_asp_resources[] = {
};
static struct platform_device dm365_asp_device = {
- .name = "davinci-mcbsp",
- .id = -1,
+ .name = "davinci-asp",
+ .id = 0,
.num_resources = ARRAY_SIZE(dm365_asp_resources),
.resource = dm365_asp_resources,
};
diff --git a/trunk/arch/arm/mach-davinci/dm644x.c b/trunk/arch/arm/mach-davinci/dm644x.c
index 9a2376b3137c..0608dd776a16 100644
--- a/trunk/arch/arm/mach-davinci/dm644x.c
+++ b/trunk/arch/arm/mach-davinci/dm644x.c
@@ -302,7 +302,7 @@ static struct clk_lookup dm644x_clks[] = {
CLK("davinci_emac.1", NULL, &emac_clk),
CLK("i2c_davinci.1", NULL, &i2c_clk),
CLK("palm_bk3710", NULL, &ide_clk),
- CLK("davinci-mcbsp", NULL, &asp_clk),
+ CLK("davinci-asp", NULL, &asp_clk),
CLK("davinci_mmc.0", NULL, &mmcsd_clk),
CLK(NULL, "spi", &spi_clk),
CLK(NULL, "gpio", &gpio_clk),
@@ -580,7 +580,7 @@ static struct resource dm644x_asp_resources[] = {
};
static struct platform_device dm644x_asp_device = {
- .name = "davinci-mcbsp",
+ .name = "davinci-asp",
.id = -1,
.num_resources = ARRAY_SIZE(dm644x_asp_resources),
.resource = dm644x_asp_resources,
diff --git a/trunk/arch/arm/mach-ebsa110/include/mach/vmalloc.h b/trunk/arch/arm/mach-ebsa110/include/mach/vmalloc.h
index ea141b7a3e03..60bde56fba4c 100644
--- a/trunk/arch/arm/mach-ebsa110/include/mach/vmalloc.h
+++ b/trunk/arch/arm/mach-ebsa110/include/mach/vmalloc.h
@@ -7,4 +7,4 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
-#define VMALLOC_END 0xdf000000UL
+#define VMALLOC_END 0xdf000000
diff --git a/trunk/arch/arm/mach-footbridge/include/mach/vmalloc.h b/trunk/arch/arm/mach-footbridge/include/mach/vmalloc.h
index 40ba78e5782b..0ffbb7c85e59 100644
--- a/trunk/arch/arm/mach-footbridge/include/mach/vmalloc.h
+++ b/trunk/arch/arm/mach-footbridge/include/mach/vmalloc.h
@@ -7,4 +7,4 @@
*/
-#define VMALLOC_END 0xf0000000UL
+#define VMALLOC_END 0xf0000000
diff --git a/trunk/arch/arm/mach-h720x/include/mach/vmalloc.h b/trunk/arch/arm/mach-h720x/include/mach/vmalloc.h
index 8520b4a4d4e6..a45915b88756 100644
--- a/trunk/arch/arm/mach-h720x/include/mach/vmalloc.h
+++ b/trunk/arch/arm/mach-h720x/include/mach/vmalloc.h
@@ -5,6 +5,6 @@
#ifndef __ARCH_ARM_VMALLOC_H
#define __ARCH_ARM_VMALLOC_H
-#define VMALLOC_END 0xd0000000UL
+#define VMALLOC_END 0xd0000000
#endif
diff --git a/trunk/arch/arm/mach-imx/eukrea_mbimx27-baseboard.c b/trunk/arch/arm/mach-imx/eukrea_mbimx27-baseboard.c
index 7e1e9dc2c8fc..026263c665ca 100644
--- a/trunk/arch/arm/mach-imx/eukrea_mbimx27-baseboard.c
+++ b/trunk/arch/arm/mach-imx/eukrea_mbimx27-baseboard.c
@@ -250,6 +250,9 @@ static const struct imxuart_platform_data uart_pdata __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
+#if defined(CONFIG_TOUCHSCREEN_ADS7846) \
+ || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
+
#define ADS7846_PENDOWN (GPIO_PORTD | 25)
static void ads7846_dev_init(void)
@@ -270,7 +273,9 @@ static struct ads7846_platform_data ads7846_config __initdata = {
.get_pendown_state = ads7846_get_pendown_state,
.keep_vref_on = 1,
};
+#endif
+#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
static struct spi_board_info eukrea_mbimx27_spi_board_info[] __initdata = {
[0] = {
.modalias = "ads7846",
@@ -289,6 +294,7 @@ static const struct spi_imx_master eukrea_mbimx27_spi0_data __initconst = {
.chipselect = eukrea_mbimx27_spi_cs,
.num_chipselect = ARRAY_SIZE(eukrea_mbimx27_spi_cs),
};
+#endif
static struct i2c_board_info eukrea_mbimx27_i2c_devices[] = {
{
diff --git a/trunk/arch/arm/mach-integrator/include/mach/vmalloc.h b/trunk/arch/arm/mach-integrator/include/mach/vmalloc.h
index 2f5a2bafb11f..e056e7cf5645 100644
--- a/trunk/arch/arm/mach-integrator/include/mach/vmalloc.h
+++ b/trunk/arch/arm/mach-integrator/include/mach/vmalloc.h
@@ -17,4 +17,4 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#define VMALLOC_END 0xd0000000UL
+#define VMALLOC_END 0xd0000000
diff --git a/trunk/arch/arm/mach-msm/include/mach/vmalloc.h b/trunk/arch/arm/mach-msm/include/mach/vmalloc.h
index d138448eff16..31a32ad062dc 100644
--- a/trunk/arch/arm/mach-msm/include/mach/vmalloc.h
+++ b/trunk/arch/arm/mach-msm/include/mach/vmalloc.h
@@ -16,7 +16,7 @@
#ifndef __ASM_ARCH_MSM_VMALLOC_H
#define __ASM_ARCH_MSM_VMALLOC_H
-#define VMALLOC_END 0xd0000000UL
+#define VMALLOC_END 0xd0000000
#endif
diff --git a/trunk/arch/arm/mach-mx25/devices-imx25.h b/trunk/arch/arm/mach-mx25/devices-imx25.h
index d94d282fa676..93afa10b13cf 100644
--- a/trunk/arch/arm/mach-mx25/devices-imx25.h
+++ b/trunk/arch/arm/mach-mx25/devices-imx25.h
@@ -42,9 +42,9 @@ extern const struct imx_mxc_nand_data imx25_mxc_nand_data __initconst;
#define imx25_add_mxc_nand(pdata) \
imx_add_mxc_nand(&imx25_mxc_nand_data, pdata)
-extern const struct imx_spi_imx_data imx25_cspi_data[] __initconst;
+extern const struct imx_spi_imx_data imx25_spi_imx_data[] __initconst;
#define imx25_add_spi_imx(id, pdata) \
- imx_add_spi_imx(&imx25_cspi_data[id], pdata)
+ imx_add_spi_imx(&imx25_spi_imx_data[id], pdata)
#define imx25_add_spi_imx0(pdata) imx25_add_spi_imx(0, pdata)
#define imx25_add_spi_imx1(pdata) imx25_add_spi_imx(1, pdata)
#define imx25_add_spi_imx2(pdata) imx25_add_spi_imx(2, pdata)
diff --git a/trunk/arch/arm/mach-mx3/mach-pcm037_eet.c b/trunk/arch/arm/mach-mx3/mach-pcm037_eet.c
index fda56545d2fd..99e0894e07db 100644
--- a/trunk/arch/arm/mach-mx3/mach-pcm037_eet.c
+++ b/trunk/arch/arm/mach-mx3/mach-pcm037_eet.c
@@ -14,7 +14,6 @@
#include
#include
-#include
#include
@@ -60,12 +59,14 @@ static struct spi_board_info pcm037_spi_dev[] = {
};
/* Platform Data for MXC CSPI */
+#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
static int pcm037_spi1_cs[] = {MXC_SPI_CS(1), IOMUX_TO_GPIO(MX31_PIN_KEY_COL7)};
static const struct spi_imx_master pcm037_spi1_pdata __initconst = {
.chipselect = pcm037_spi1_cs,
.num_chipselect = ARRAY_SIZE(pcm037_spi1_cs),
};
+#endif
/* GPIO-keys input device */
static struct gpio_keys_button pcm037_gpio_keys[] = {
@@ -170,7 +171,7 @@ static struct platform_device pcm037_gpio_keys_device = {
},
};
-static int __init eet_init_devices(void)
+static int eet_init_devices(void)
{
if (!machine_is_pcm037() || pcm037_variant() != PCM037_EET)
return 0;
diff --git a/trunk/arch/arm/mach-netx/include/mach/vmalloc.h b/trunk/arch/arm/mach-netx/include/mach/vmalloc.h
index 871f1ef7bff5..7cca3574308f 100644
--- a/trunk/arch/arm/mach-netx/include/mach/vmalloc.h
+++ b/trunk/arch/arm/mach-netx/include/mach/vmalloc.h
@@ -16,4 +16,4 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#define VMALLOC_END 0xd0000000UL
+#define VMALLOC_END 0xd0000000
diff --git a/trunk/arch/arm/mach-omap1/include/mach/vmalloc.h b/trunk/arch/arm/mach-omap1/include/mach/vmalloc.h
index 22ec4a479577..b001f67d695b 100644
--- a/trunk/arch/arm/mach-omap1/include/mach/vmalloc.h
+++ b/trunk/arch/arm/mach-omap1/include/mach/vmalloc.h
@@ -17,4 +17,4 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#define VMALLOC_END 0xd8000000UL
+#define VMALLOC_END 0xd8000000
diff --git a/trunk/arch/arm/mach-omap2/include/mach/vmalloc.h b/trunk/arch/arm/mach-omap2/include/mach/vmalloc.h
index 866319947760..4da31e997efe 100644
--- a/trunk/arch/arm/mach-omap2/include/mach/vmalloc.h
+++ b/trunk/arch/arm/mach-omap2/include/mach/vmalloc.h
@@ -17,4 +17,4 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#define VMALLOC_END 0xf8000000UL
+#define VMALLOC_END 0xf8000000
diff --git a/trunk/arch/arm/mach-pnx4008/include/mach/vmalloc.h b/trunk/arch/arm/mach-pnx4008/include/mach/vmalloc.h
index 184913c71141..31b65ee07b0b 100644
--- a/trunk/arch/arm/mach-pnx4008/include/mach/vmalloc.h
+++ b/trunk/arch/arm/mach-pnx4008/include/mach/vmalloc.h
@@ -17,4 +17,4 @@
* The vmalloc() routines leaves a hole of 4kB between each vmalloced
* area for the same reason. ;)
*/
-#define VMALLOC_END 0xd0000000UL
+#define VMALLOC_END 0xd0000000
diff --git a/trunk/arch/arm/mach-rpc/include/mach/vmalloc.h b/trunk/arch/arm/mach-rpc/include/mach/vmalloc.h
index fb700228637a..3bcd86fadb81 100644
--- a/trunk/arch/arm/mach-rpc/include/mach/vmalloc.h
+++ b/trunk/arch/arm/mach-rpc/include/mach/vmalloc.h
@@ -7,4 +7,4 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
-#define VMALLOC_END 0xdc000000UL
+#define VMALLOC_END 0xdc000000
diff --git a/trunk/arch/arm/mach-shark/include/mach/vmalloc.h b/trunk/arch/arm/mach-shark/include/mach/vmalloc.h
index b10df988526d..8e845b6a7cb5 100644
--- a/trunk/arch/arm/mach-shark/include/mach/vmalloc.h
+++ b/trunk/arch/arm/mach-shark/include/mach/vmalloc.h
@@ -1,4 +1,4 @@
/*
* arch/arm/mach-shark/include/mach/vmalloc.h
*/
-#define VMALLOC_END 0xd0000000UL
+#define VMALLOC_END 0xd0000000
diff --git a/trunk/arch/arm/mach-shmobile/board-ap4evb.c b/trunk/arch/arm/mach-shmobile/board-ap4evb.c
index 5b079529c948..d3260542b943 100644
--- a/trunk/arch/arm/mach-shmobile/board-ap4evb.c
+++ b/trunk/arch/arm/mach-shmobile/board-ap4evb.c
@@ -272,15 +272,6 @@ static struct resource sh_mmcif_resources[] = {
},
};
-static struct sh_mmcif_dma sh_mmcif_dma = {
- .chan_priv_rx = {
- .slave_id = SHDMA_SLAVE_MMCIF_RX,
- },
- .chan_priv_tx = {
- .slave_id = SHDMA_SLAVE_MMCIF_TX,
- },
-};
-
static struct sh_mmcif_plat_data sh_mmcif_plat = {
.sup_pclk = 0,
.ocr = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
@@ -288,7 +279,6 @@ static struct sh_mmcif_plat_data sh_mmcif_plat = {
MMC_CAP_8_BIT_DATA |
MMC_CAP_NEEDS_POLL,
.get_cd = slot_cn7_get_cd,
- .dma = &sh_mmcif_dma,
};
static struct platform_device sh_mmcif_device = {
@@ -577,127 +567,38 @@ static struct platform_device *qhd_devices[] __initdata = {
/* FSI */
#define IRQ_FSI evt2irq(0x1840)
-static int __fsi_set_rate(struct clk *clk, long rate, int enable)
-{
- int ret = 0;
- if (rate <= 0)
- return ret;
-
- if (enable) {
- ret = clk_set_rate(clk, rate);
- if (0 == ret)
- ret = clk_enable(clk);
- } else {
- clk_disable(clk);
- }
-
- return ret;
-}
-
-static int __fsi_set_round_rate(struct clk *clk, long rate, int enable)
-{
- return __fsi_set_rate(clk, clk_round_rate(clk, rate), enable);
-}
-
-static int fsi_ak4642_set_rate(struct device *dev, int rate, int enable)
-{
- struct clk *fsia_ick;
- struct clk *fsiack;
- int ret = -EIO;
-
- fsia_ick = clk_get(dev, "icka");
- if (IS_ERR(fsia_ick))
- return PTR_ERR(fsia_ick);
-
- /*
- * FSIACK is connected to AK4642,
- * and use external clock pin from it.
- * it is parent of fsia_ick now.
- */
- fsiack = clk_get_parent(fsia_ick);
- if (!fsiack)
- goto fsia_ick_out;
-
- /*
- * we get 1/1 divided clock by setting same rate to fsiack and fsia_ick
- *
- ** FIXME **
- * Because the freq_table of external clk (fsiack) are all 0,
- * the return value of clk_round_rate became 0.
- * So, it use __fsi_set_rate here.
- */
- ret = __fsi_set_rate(fsiack, rate, enable);
- if (ret < 0)
- goto fsiack_out;
-
- ret = __fsi_set_round_rate(fsia_ick, rate, enable);
- if ((ret < 0) && enable)
- __fsi_set_round_rate(fsiack, rate, 0); /* disable FSI ACK */
-
-fsiack_out:
- clk_put(fsiack);
-
-fsia_ick_out:
- clk_put(fsia_ick);
-
- return 0;
-}
-
-static int fsi_hdmi_set_rate(struct device *dev, int rate, int enable)
+static int fsi_set_rate(int is_porta, int rate)
{
struct clk *fsib_clk;
struct clk *fdiv_clk = &sh7372_fsidivb_clk;
- long fsib_rate = 0;
- long fdiv_rate = 0;
- int ackmd_bpfmd;
int ret;
+ /* set_rate is not needed if port A */
+ if (is_porta)
+ return 0;
+
+ fsib_clk = clk_get(NULL, "fsib_clk");
+ if (IS_ERR(fsib_clk))
+ return -EINVAL;
+
switch (rate) {
case 44100:
- fsib_rate = rate * 256;
- ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
+ clk_set_rate(fsib_clk, clk_round_rate(fsib_clk, 11283000));
+ ret = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
break;
case 48000:
- fsib_rate = 85428000; /* around 48kHz x 256 x 7 */
- fdiv_rate = rate * 256;
- ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
+ clk_set_rate(fsib_clk, clk_round_rate(fsib_clk, 85428000));
+ clk_set_rate(fdiv_clk, clk_round_rate(fdiv_clk, 12204000));
+ ret = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
break;
default:
pr_err("unsupported rate in FSI2 port B\n");
- return -EINVAL;
+ ret = -EINVAL;
+ break;
}
- /* FSI B setting */
- fsib_clk = clk_get(dev, "ickb");
- if (IS_ERR(fsib_clk))
- return -EIO;
-
- ret = __fsi_set_round_rate(fsib_clk, fsib_rate, enable);
clk_put(fsib_clk);
- if (ret < 0)
- return ret;
-
- /* FSI DIV setting */
- ret = __fsi_set_round_rate(fdiv_clk, fdiv_rate, enable);
- if (ret < 0) {
- /* disable FSI B */
- if (enable)
- __fsi_set_round_rate(fsib_clk, fsib_rate, 0);
- return ret;
- }
-
- return ackmd_bpfmd;
-}
-
-static int fsi_set_rate(struct device *dev, int is_porta, int rate, int enable)
-{
- int ret;
-
- if (is_porta)
- ret = fsi_ak4642_set_rate(dev, rate, enable);
- else
- ret = fsi_hdmi_set_rate(dev, rate, enable);
return ret;
}
@@ -979,11 +880,6 @@ static int __init hdmi_init_pm_clock(void)
goto out;
}
- ret = clk_enable(&sh7372_pllc2_clk);
- if (ret < 0) {
- pr_err("Cannot enable pllc2 clock\n");
- goto out;
- }
pr_debug("PLLC2 set frequency %lu\n", rate);
ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);
@@ -1000,11 +896,23 @@ static int __init hdmi_init_pm_clock(void)
device_initcall(hdmi_init_pm_clock);
+#define FSIACK_DUMMY_RATE 48000
static int __init fsi_init_pm_clock(void)
{
struct clk *fsia_ick;
int ret;
+ /*
+ * FSIACK is connected to AK4642,
+ * and the rate is depend on playing sound rate.
+ * So, set dummy rate (= 48k) here
+ */
+ ret = clk_set_rate(&sh7372_fsiack_clk, FSIACK_DUMMY_RATE);
+ if (ret < 0) {
+ pr_err("Cannot set FSIACK dummy rate: %d\n", ret);
+ return ret;
+ }
+
fsia_ick = clk_get(&fsi_device.dev, "icka");
if (IS_ERR(fsia_ick)) {
ret = PTR_ERR(fsia_ick);
@@ -1013,9 +921,16 @@ static int __init fsi_init_pm_clock(void)
}
ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk);
- if (ret < 0)
+ if (ret < 0) {
pr_err("Cannot set FSI-A parent: %d\n", ret);
+ goto out;
+ }
+
+ ret = clk_set_rate(fsia_ick, FSIACK_DUMMY_RATE);
+ if (ret < 0)
+ pr_err("Cannot set FSI-A rate: %d\n", ret);
+out:
clk_put(fsia_ick);
return ret;
diff --git a/trunk/arch/arm/mach-shmobile/clock-sh7372.c b/trunk/arch/arm/mach-shmobile/clock-sh7372.c
index eb92fefc084d..7db31e6c6bf2 100644
--- a/trunk/arch/arm/mach-shmobile/clock-sh7372.c
+++ b/trunk/arch/arm/mach-shmobile/clock-sh7372.c
@@ -220,7 +220,8 @@ static void pllc2_disable(struct clk *clk)
__raw_writel(__raw_readl(PLLC2CR) & ~0x80000000, PLLC2CR);
}
-static int pllc2_set_rate(struct clk *clk, unsigned long rate)
+static int pllc2_set_rate(struct clk *clk,
+ unsigned long rate, int algo_id)
{
unsigned long value;
int idx;
@@ -229,13 +230,21 @@ static int pllc2_set_rate(struct clk *clk, unsigned long rate)
if (idx < 0)
return idx;
- if (rate == clk->parent->rate)
- return -EINVAL;
+ if (rate == clk->parent->rate) {
+ pllc2_disable(clk);
+ return 0;
+ }
value = __raw_readl(PLLC2CR) & ~(0x3f << 24);
+ if (value & 0x80000000)
+ pllc2_disable(clk);
+
__raw_writel((value & ~0x80000000) | ((idx + 19) << 24), PLLC2CR);
+ if (value & 0x80000000)
+ return pllc2_enable(clk);
+
return 0;
}
@@ -444,24 +453,32 @@ static int fsidiv_enable(struct clk *clk)
unsigned long value;
value = __raw_readl(clk->mapping->base) >> 16;
- if (value < 2)
- return -EIO;
+ if (value < 2) {
+ fsidiv_disable(clk);
+ return -ENOENT;
+ }
__raw_writel((value << 16) | 0x3, clk->mapping->base);
return 0;
}
-static int fsidiv_set_rate(struct clk *clk, unsigned long rate)
+static int fsidiv_set_rate(struct clk *clk,
+ unsigned long rate, int algo_id)
{
int idx;
+ if (clk->parent->rate == rate) {
+ fsidiv_disable(clk);
+ return 0;
+ }
+
idx = (clk->parent->rate / rate) & 0xffff;
if (idx < 2)
- return -EINVAL;
+ return -ENOENT;
__raw_writel(idx << 16, clk->mapping->base);
- return 0;
+ return fsidiv_enable(clk);
}
static struct clk_ops fsidiv_clk_ops = {
@@ -592,6 +609,8 @@ static struct clk_lookup lookups[] = {
CLKDEV_CON_ID("vck3_clk", &div6_clks[DIV6_VCK3]),
CLKDEV_CON_ID("fmsi_clk", &div6_clks[DIV6_FMSI]),
CLKDEV_CON_ID("fmso_clk", &div6_clks[DIV6_FMSO]),
+ CLKDEV_CON_ID("fsia_clk", &div6_reparent_clks[DIV6_FSIA]),
+ CLKDEV_CON_ID("fsib_clk", &div6_reparent_clks[DIV6_FSIB]),
CLKDEV_CON_ID("sub_clk", &div6_clks[DIV6_SUB]),
CLKDEV_CON_ID("spu_clk", &div6_clks[DIV6_SPU]),
CLKDEV_CON_ID("vou_clk", &div6_clks[DIV6_VOU]),
diff --git a/trunk/arch/arm/mach-shmobile/clock-sh73a0.c b/trunk/arch/arm/mach-shmobile/clock-sh73a0.c
index 6e48aaefbab1..81fd429c3c24 100644
--- a/trunk/arch/arm/mach-shmobile/clock-sh73a0.c
+++ b/trunk/arch/arm/mach-shmobile/clock-sh73a0.c
@@ -51,10 +51,11 @@ static struct clk *main_clks[] = {
&hp_clk,
};
-enum { MSTP219,
- MSTP001, MSTP116, MSTP207, MSTP206, MSTP204, MSTP203, MSTP202,
- MSTP201, MSTP200, MSTP323, MSTP331, MSTP329, MSTP312, MSTP411,
- MSTP410, MSTP403,
+enum { MSTP001,
+ MSTP116,
+ MSTP219, MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
+ MSTP331, MSTP329, MSTP323,
+ MSTP411, MSTP410, MSTP403,
MSTP_NR };
#define MSTP(_parent, _reg, _bit, _flags) \
@@ -62,8 +63,8 @@ enum { MSTP219,
static struct clk mstp_clks[MSTP_NR] = {
[MSTP001] = MSTP(&hp_clk, SMSTPCR0, 1, 0), /* I2C2 */
- [MSTP219] = MSTP(&sub_clk, SMSTPCR2, 19, 0), /* SCIFA7 */
[MSTP116] = MSTP(&hp_clk, SMSTPCR1, 16, 0), /* I2C0 */
+ [MSTP219] = MSTP(&sub_clk, SMSTPCR2, 19, 0), /* SCIFA7 */
[MSTP207] = MSTP(&sub_clk, SMSTPCR2, 7, 0), /* SCIFA5 */
[MSTP206] = MSTP(&sub_clk, SMSTPCR2, 6, 0), /* SCIFB */
[MSTP204] = MSTP(&sub_clk, SMSTPCR2, 4, 0), /* SCIFA0 */
@@ -74,15 +75,17 @@ static struct clk mstp_clks[MSTP_NR] = {
[MSTP331] = MSTP(&sub_clk, SMSTPCR3, 31, 0), /* SCIFA6 */
[MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */
[MSTP323] = MSTP(&hp_clk, SMSTPCR3, 23, 0), /* I2C1 */
- [MSTP403] = MSTP(&r_clk, SMSTPCR4, 0, 0), /* KEYSC0 */
[MSTP411] = MSTP(&hp_clk, SMSTPCR4, 11, 0), /* I2C3 */
[MSTP410] = MSTP(&hp_clk, SMSTPCR4, 10, 0), /* I2C4 */
+ [MSTP403] = MSTP(&r_clk, SMSTPCR4, 0, 0), /* KEYSC0 */
};
#define CLKDEV_DEV_ID(_id, _clk) { .dev_id = _id, .clk = _clk }
static struct clk_lookup lookups[] = {
/* MSTP32 clocks */
+ CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[MSTP001]), /* I2C2 */
+ CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), /* I2C0 */
CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP219]), /* SCIFA7 */
CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */
CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP206]), /* SCIFB */
@@ -93,12 +96,10 @@ static struct clk_lookup lookups[] = {
CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]), /* SCIFA4 */
CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP331]), /* SCIFA6 */
CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */
- CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC0 */
- CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), /* I2C0 */
CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* I2C1 */
- CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[MSTP001]), /* I2C2 */
CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* I2C3 */
CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks[MSTP410]), /* I2C4 */
+ CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC0 */
};
void __init sh73a0_clock_init(void)
diff --git a/trunk/arch/arm/mach-shmobile/include/mach/sh7372.h b/trunk/arch/arm/mach-shmobile/include/mach/sh7372.h
index 5736efcca60c..e4f9004e7103 100644
--- a/trunk/arch/arm/mach-shmobile/include/mach/sh7372.h
+++ b/trunk/arch/arm/mach-shmobile/include/mach/sh7372.h
@@ -455,8 +455,6 @@ enum {
SHDMA_SLAVE_SDHI1_TX,
SHDMA_SLAVE_SDHI2_RX,
SHDMA_SLAVE_SDHI2_TX,
- SHDMA_SLAVE_MMCIF_RX,
- SHDMA_SLAVE_MMCIF_TX,
};
extern struct clk sh7372_extal1_clk;
diff --git a/trunk/arch/arm/mach-shmobile/setup-sh7372.c b/trunk/arch/arm/mach-shmobile/setup-sh7372.c
index 2e3e11ee7c43..564a6d0be473 100644
--- a/trunk/arch/arm/mach-shmobile/setup-sh7372.c
+++ b/trunk/arch/arm/mach-shmobile/setup-sh7372.c
@@ -416,16 +416,6 @@ static const struct sh_dmae_slave_config sh7372_dmae_slaves[] = {
.addr = 0xe6870030,
.chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
.mid_rid = 0xce,
- }, {
- .slave_id = SHDMA_SLAVE_MMCIF_TX,
- .addr = 0xe6bd0034,
- .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT),
- .mid_rid = 0xd1,
- }, {
- .slave_id = SHDMA_SLAVE_MMCIF_RX,
- .addr = 0xe6bd0034,
- .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT),
- .mid_rid = 0xd2,
},
};
diff --git a/trunk/arch/arm/mach-ux500/cpu.c b/trunk/arch/arm/mach-ux500/cpu.c
index 608a1372b172..73fb1a551ec6 100644
--- a/trunk/arch/arm/mach-ux500/cpu.c
+++ b/trunk/arch/arm/mach-ux500/cpu.c
@@ -75,14 +75,14 @@ void __init ux500_init_irq(void)
static inline void ux500_cache_wait(void __iomem *reg, unsigned long mask)
{
/* wait for the operation to complete */
- while (readl_relaxed(reg) & mask)
+ while (readl(reg) & mask)
;
}
static inline void ux500_cache_sync(void)
{
void __iomem *base = __io_address(UX500_L2CC_BASE);
- writel_relaxed(0, base + L2X0_CACHE_SYNC);
+ writel(0, base + L2X0_CACHE_SYNC);
ux500_cache_wait(base + L2X0_CACHE_SYNC, 1);
}
@@ -107,7 +107,7 @@ static void ux500_l2x0_inv_all(void)
uint32_t l2x0_way_mask = (1<<16) - 1; /* Bitmask of active ways */
/* invalidate all ways */
- writel_relaxed(l2x0_way_mask, l2x0_base + L2X0_INV_WAY);
+ writel(l2x0_way_mask, l2x0_base + L2X0_INV_WAY);
ux500_cache_wait(l2x0_base + L2X0_INV_WAY, l2x0_way_mask);
ux500_cache_sync();
}
diff --git a/trunk/arch/arm/mach-versatile/include/mach/vmalloc.h b/trunk/arch/arm/mach-versatile/include/mach/vmalloc.h
index 7d8e069ad51b..ebd8a2543d3b 100644
--- a/trunk/arch/arm/mach-versatile/include/mach/vmalloc.h
+++ b/trunk/arch/arm/mach-versatile/include/mach/vmalloc.h
@@ -18,4 +18,4 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#define VMALLOC_END 0xd8000000UL
+#define VMALLOC_END 0xd8000000
diff --git a/trunk/arch/arm/mm/ioremap.c b/trunk/arch/arm/mm/ioremap.c
index 55c17a6fb22f..17e7b0b57e49 100644
--- a/trunk/arch/arm/mm/ioremap.c
+++ b/trunk/arch/arm/mm/ioremap.c
@@ -206,8 +206,8 @@ void __iomem * __arm_ioremap_pfn_caller(unsigned long pfn,
*/
if (pfn_valid(pfn)) {
printk(KERN_WARNING "BUG: Your driver calls ioremap() on system memory. This leads\n"
- "to architecturally unpredictable behaviour on ARMv6+, and ioremap()\n"
- "will fail in the next kernel release. Please fix your driver.\n");
+ KERN_WARNING "to architecturally unpredictable behaviour on ARMv6+, and ioremap()\n"
+ KERN_WARNING "will fail in the next kernel release. Please fix your driver.\n");
WARN_ON(1);
}
diff --git a/trunk/arch/arm/plat-mxc/devices/platform-imx-dma.c b/trunk/arch/arm/plat-mxc/devices/platform-imx-dma.c
index 3a705c7877dd..02d989018059 100644
--- a/trunk/arch/arm/plat-mxc/devices/platform-imx-dma.c
+++ b/trunk/arch/arm/plat-mxc/devices/platform-imx-dma.c
@@ -12,7 +12,15 @@
#include
#include
+#ifdef SDMA_IS_MERGED
#include
+#else
+struct sdma_platform_data {
+ int sdma_version;
+ char *cpu_name;
+ int to_version;
+};
+#endif
struct imx_imx_sdma_data {
resource_size_t iobase;
diff --git a/trunk/arch/arm/plat-mxc/devices/platform-spi_imx.c b/trunk/arch/arm/plat-mxc/devices/platform-spi_imx.c
index 17f724c9452d..e48340ec331e 100644
--- a/trunk/arch/arm/plat-mxc/devices/platform-spi_imx.c
+++ b/trunk/arch/arm/plat-mxc/devices/platform-spi_imx.c
@@ -27,7 +27,6 @@ const struct imx_spi_imx_data imx21_cspi_data[] __initconst = {
imx_spi_imx_data_entry(MX21, CSPI, "imx21-cspi", _id, _hwid, SZ_4K)
imx21_cspi_data_entry(0, 1),
imx21_cspi_data_entry(1, 2),
-};
#endif
#ifdef CONFIG_ARCH_MX25
diff --git a/trunk/arch/arm/plat-nomadik/timer.c b/trunk/arch/arm/plat-nomadik/timer.c
index 63cdc6025bd7..aedf9c1d645e 100644
--- a/trunk/arch/arm/plat-nomadik/timer.c
+++ b/trunk/arch/arm/plat-nomadik/timer.c
@@ -3,7 +3,6 @@
*
* Copyright (C) 2008 STMicroelectronics
* Copyright (C) 2010 Alessandro Rubini
- * Copyright (C) 2010 Linus Walleij for ST-Ericsson
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2, as
@@ -17,13 +16,11 @@
#include
#include
#include
-#include
-#include
#include
#include
-void __iomem *mtu_base; /* Assigned by machine code */
+void __iomem *mtu_base; /* ssigned by machine code */
/*
* Kernel assumes that sched_clock can be called early
@@ -51,82 +48,16 @@ static struct clocksource nmdk_clksrc = {
/*
* Override the global weak sched_clock symbol with this
* local implementation which uses the clocksource to get some
- * better resolution when scheduling the kernel.
- *
- * Because the hardware timer period may be quite short
- * (32.3 secs on the 133 MHz MTU timer selection on ux500)
- * and because cnt32_to_63() needs to be called at least once per
- * half period to work properly, a kernel keepwarm() timer is set up
- * to ensure this requirement is always met.
- *
- * Also the sched_clock timer will wrap around at some point,
- * here we set it to run continously for a year.
+ * better resolution when scheduling the kernel. We accept that
+ * this wraps around for now, since it is just a relative time
+ * stamp. (Inspired by OMAP implementation.)
*/
-#define SCHED_CLOCK_MIN_WRAP 3600*24*365
-static struct timer_list cnt32_to_63_keepwarm_timer;
-static u32 sched_mult;
-static u32 sched_shift;
-
unsigned long long notrace sched_clock(void)
{
- u64 cycles;
-
- if (unlikely(!mtu_base))
- return 0;
-
- cycles = cnt32_to_63(-readl(mtu_base + MTU_VAL(0)));
- /*
- * sched_mult is guaranteed to be even so will
- * shift out bit 63
- */
- return (cycles * sched_mult) >> sched_shift;
-}
-
-/* Just kick sched_clock every so often */
-static void cnt32_to_63_keepwarm(unsigned long data)
-{
- mod_timer(&cnt32_to_63_keepwarm_timer, round_jiffies(jiffies + data));
- (void) sched_clock();
-}
-
-/*
- * Set up a timer to keep sched_clock():s 32_to_63 algorithm warm
- * once in half a 32bit timer wrap interval.
- */
-static void __init nmdk_sched_clock_init(unsigned long rate)
-{
- u32 v;
- unsigned long delta;
- u64 days;
-
- /* Find the apropriate mult and shift factors */
- clocks_calc_mult_shift(&sched_mult, &sched_shift,
- rate, NSEC_PER_SEC, SCHED_CLOCK_MIN_WRAP);
- /* We need to multiply by an even number to get rid of bit 63 */
- if (sched_mult & 1)
- sched_mult++;
-
- /* Let's see what we get, take max counter and scale it */
- days = (0xFFFFFFFFFFFFFFFFLLU * sched_mult) >> sched_shift;
- do_div(days, NSEC_PER_SEC);
- do_div(days, (3600*24));
-
- pr_info("sched_clock: using %d bits @ %lu Hz wrap in %lu days\n",
- (64 - sched_shift), rate, (unsigned long) days);
-
- /*
- * Program a timer to kick us at half 32bit wraparound
- * Formula: seconds per wrap = (2^32) / f
- */
- v = 0xFFFFFFFFUL / rate;
- /* We want half of the wrap time to keep cnt32_to_63 warm */
- v /= 2;
- pr_debug("sched_clock: prescaled timer rate: %lu Hz, "
- "initialize keepwarm timer every %d seconds\n", rate, v);
- /* Convert seconds to jiffies */
- delta = msecs_to_jiffies(v*1000);
- setup_timer(&cnt32_to_63_keepwarm_timer, cnt32_to_63_keepwarm, delta);
- mod_timer(&cnt32_to_63_keepwarm_timer, round_jiffies(jiffies + delta));
+ return clocksource_cyc2ns(nmdk_clksrc.read(
+ &nmdk_clksrc),
+ nmdk_clksrc.mult,
+ nmdk_clksrc.shift);
}
/* Clockevent device: use one-shot mode */
@@ -230,15 +161,13 @@ void __init nmdk_timer_init(void)
writel(0, mtu_base + MTU_BGLR(0));
writel(cr | MTU_CRn_ENA, mtu_base + MTU_CR(0));
- /* Now the clock source is ready */
+ /* Now the scheduling clock is ready */
nmdk_clksrc.read = nmdk_read_timer;
if (clocksource_register(&nmdk_clksrc))
pr_err("timer: failed to initialize clock source %s\n",
nmdk_clksrc.name);
- nmdk_sched_clock_init(rate);
-
/* Timer 1 is used for events */
clockevents_calc_mult_shift(&nmdk_clkevt, rate, MTU_MIN_RANGE);
diff --git a/trunk/arch/blackfin/kernel/process.c b/trunk/arch/blackfin/kernel/process.c
index b407bc8ad918..cd0c090ebc54 100644
--- a/trunk/arch/blackfin/kernel/process.c
+++ b/trunk/arch/blackfin/kernel/process.c
@@ -7,6 +7,7 @@
*/
#include
+#include
#include
#include
#include
diff --git a/trunk/arch/frv/kernel/process.c b/trunk/arch/frv/kernel/process.c
index efad12071c2e..2b63b0191f52 100644
--- a/trunk/arch/frv/kernel/process.c
+++ b/trunk/arch/frv/kernel/process.c
@@ -16,6 +16,7 @@
#include
#include
#include
+#include
#include
#include
#include
diff --git a/trunk/arch/h8300/kernel/process.c b/trunk/arch/h8300/kernel/process.c
index 933bd388efb2..97478138e361 100644
--- a/trunk/arch/h8300/kernel/process.c
+++ b/trunk/arch/h8300/kernel/process.c
@@ -28,6 +28,7 @@
#include
#include
#include
+#include
#include
#include
#include
diff --git a/trunk/arch/ia64/hp/sim/simscsi.c b/trunk/arch/ia64/hp/sim/simscsi.c
index 331de723c676..3a078ad3aa44 100644
--- a/trunk/arch/ia64/hp/sim/simscsi.c
+++ b/trunk/arch/ia64/hp/sim/simscsi.c
@@ -202,7 +202,7 @@ simscsi_readwrite10 (struct scsi_cmnd *sc, int mode)
}
static int
-simscsi_queuecommand_lck (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
+simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
{
unsigned int target_id = sc->device->id;
char fname[MAX_ROOT_LEN+16];
@@ -326,8 +326,6 @@ simscsi_queuecommand_lck (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)
return 0;
}
-static DEF_SCSI_QCMD(simscsi_queuecommand)
-
static int
simscsi_host_reset (struct scsi_cmnd *sc)
{
diff --git a/trunk/arch/m68k/kernel/process.c b/trunk/arch/m68k/kernel/process.c
index c2a1fc23dd75..18732ab23292 100644
--- a/trunk/arch/m68k/kernel/process.c
+++ b/trunk/arch/m68k/kernel/process.c
@@ -18,6 +18,7 @@
#include
#include
#include
+#include
#include
#include
#include
diff --git a/trunk/arch/m68knommu/kernel/process.c b/trunk/arch/m68knommu/kernel/process.c
index e2a63af5d517..6d3390590e5b 100644
--- a/trunk/arch/m68knommu/kernel/process.c
+++ b/trunk/arch/m68knommu/kernel/process.c
@@ -19,6 +19,7 @@
#include
#include
#include
+#include
#include
#include
#include
diff --git a/trunk/arch/mn10300/kernel/process.c b/trunk/arch/mn10300/kernel/process.c
index e1b14a6ed544..0d0f8049a17b 100644
--- a/trunk/arch/mn10300/kernel/process.c
+++ b/trunk/arch/mn10300/kernel/process.c
@@ -14,6 +14,7 @@
#include
#include
#include
+#include
#include
#include
#include
diff --git a/trunk/arch/parisc/hpux/sys_hpux.c b/trunk/arch/parisc/hpux/sys_hpux.c
index 30394081d9b6..ba430a03bc7a 100644
--- a/trunk/arch/parisc/hpux/sys_hpux.c
+++ b/trunk/arch/parisc/hpux/sys_hpux.c
@@ -28,6 +28,7 @@
#include
#include
#include
+#include
#include
#include
#include
diff --git a/trunk/arch/parisc/kernel/sys_parisc32.c b/trunk/arch/parisc/kernel/sys_parisc32.c
index 88a0ad14a9c9..9779ece2b070 100644
--- a/trunk/arch/parisc/kernel/sys_parisc32.c
+++ b/trunk/arch/parisc/kernel/sys_parisc32.c
@@ -20,6 +20,7 @@
#include
#include
#include
+#include
#include
#include
#include
diff --git a/trunk/arch/powerpc/Kconfig b/trunk/arch/powerpc/Kconfig
index e625e9e034ae..b6447190e1a2 100644
--- a/trunk/arch/powerpc/Kconfig
+++ b/trunk/arch/powerpc/Kconfig
@@ -4,10 +4,6 @@ config PPC32
bool
default y if !PPC64
-config 32BIT
- bool
- default y if PPC32
-
config 64BIT
bool
default y if PPC64
diff --git a/trunk/arch/powerpc/boot/div64.S b/trunk/arch/powerpc/boot/div64.S
index d271ab542673..722f360a32a9 100644
--- a/trunk/arch/powerpc/boot/div64.S
+++ b/trunk/arch/powerpc/boot/div64.S
@@ -33,10 +33,9 @@ __div64_32:
cntlzw r0,r5 # we are shifting the dividend right
li r10,-1 # to make it < 2^32, and shifting
srw r10,r10,r0 # the divisor right the same amount,
- addc r9,r4,r10 # rounding up (so the estimate cannot
+ add r9,r4,r10 # rounding up (so the estimate cannot
andc r11,r6,r10 # ever be too large, only too small)
andc r9,r9,r10
- addze r9,r9
or r11,r5,r11
rotlw r9,r9,r0
rotlw r11,r11,r0
diff --git a/trunk/arch/powerpc/kernel/kgdb.c b/trunk/arch/powerpc/kernel/kgdb.c
index 42850ee00ada..7a9db64f3f04 100644
--- a/trunk/arch/powerpc/kernel/kgdb.c
+++ b/trunk/arch/powerpc/kernel/kgdb.c
@@ -337,7 +337,7 @@ char *dbg_get_reg(int regno, void *mem, struct pt_regs *regs)
/* FP registers 32 -> 63 */
#if defined(CONFIG_FSL_BOOKE) && defined(CONFIG_SPE)
if (current)
- memcpy(mem, ¤t->thread.evr[regno-32],
+ memcpy(mem, current->thread.evr[regno-32],
dbg_reg_def[regno].size);
#else
/* fp registers not used by kernel, leave zero */
@@ -362,7 +362,7 @@ int dbg_set_reg(int regno, void *mem, struct pt_regs *regs)
if (regno >= 32 && regno < 64) {
/* FP registers 32 -> 63 */
#if defined(CONFIG_FSL_BOOKE) && defined(CONFIG_SPE)
- memcpy(¤t->thread.evr[regno-32], mem,
+ memcpy(current->thread.evr[regno-32], mem,
dbg_reg_def[regno].size);
#else
/* fp registers not used by kernel, leave zero */
diff --git a/trunk/arch/powerpc/kernel/setup_64.c b/trunk/arch/powerpc/kernel/setup_64.c
index ce6f61c6f871..2a178b0ebcdf 100644
--- a/trunk/arch/powerpc/kernel/setup_64.c
+++ b/trunk/arch/powerpc/kernel/setup_64.c
@@ -497,8 +497,9 @@ static void __init emergency_stack_init(void)
}
/*
- * Called into from start_kernel this initializes bootmem, which is used
- * to manage page allocation until mem_init is called.
+ * Called into from start_kernel, after lock_kernel has been called.
+ * Initializes bootmem, which is unsed to manage page allocation until
+ * mem_init is called.
*/
void __init setup_arch(char **cmdline_p)
{
diff --git a/trunk/arch/powerpc/kernel/sys_ppc32.c b/trunk/arch/powerpc/kernel/sys_ppc32.c
index 4e5bf1edc0f2..b1b6043a56c4 100644
--- a/trunk/arch/powerpc/kernel/sys_ppc32.c
+++ b/trunk/arch/powerpc/kernel/sys_ppc32.c
@@ -23,6 +23,7 @@
#include
#include
#include
+#include
#include
#include
#include
diff --git a/trunk/arch/powerpc/mm/hash_utils_64.c b/trunk/arch/powerpc/mm/hash_utils_64.c
index 5e9584405c45..83f534d862db 100644
--- a/trunk/arch/powerpc/mm/hash_utils_64.c
+++ b/trunk/arch/powerpc/mm/hash_utils_64.c
@@ -1123,7 +1123,7 @@ void hash_preload(struct mm_struct *mm, unsigned long ea,
else
#endif /* CONFIG_PPC_HAS_HASH_64K */
rc = __hash_page_4K(ea, access, vsid, ptep, trap, local, ssize,
- subpage_protection(mm, ea));
+ subpage_protection(pgdir, ea));
/* Dump some info in case of hash insertion failure, they should
* never happen so it is really useful to know if/when they do
diff --git a/trunk/arch/powerpc/mm/tlb_low_64e.S b/trunk/arch/powerpc/mm/tlb_low_64e.S
index 8526bd9d2aa3..8b04c54e596f 100644
--- a/trunk/arch/powerpc/mm/tlb_low_64e.S
+++ b/trunk/arch/powerpc/mm/tlb_low_64e.S
@@ -138,11 +138,8 @@
cmpldi cr0,r15,0 /* Check for user region */
std r14,EX_TLB_ESR(r12) /* write crazy -1 to frame */
beq normal_tlb_miss
-
- li r11,_PAGE_PRESENT|_PAGE_BAP_SX /* Base perm */
- oris r11,r11,_PAGE_ACCESSED@h
/* XXX replace the RMW cycles with immediate loads + writes */
- mfspr r10,SPRN_MAS1
+1: mfspr r10,SPRN_MAS1
cmpldi cr0,r15,8 /* Check for vmalloc region */
rlwinm r10,r10,0,16,1 /* Clear TID */
mtspr SPRN_MAS1,r10
diff --git a/trunk/arch/powerpc/mm/tlb_nohash.c b/trunk/arch/powerpc/mm/tlb_nohash.c
index 2a030d89bbc6..36c0c449a899 100644
--- a/trunk/arch/powerpc/mm/tlb_nohash.c
+++ b/trunk/arch/powerpc/mm/tlb_nohash.c
@@ -585,6 +585,6 @@ void setup_initial_memory_limit(phys_addr_t first_memblock_base,
ppc64_rma_size = min_t(u64, first_memblock_size, 0x40000000);
/* Finally limit subsequent allocations */
- memblock_set_current_limit(first_memblock_base + ppc64_rma_size);
+ memblock_set_current_limit(ppc64_memblock_base + ppc64_rma_size);
}
#endif /* CONFIG_PPC64 */
diff --git a/trunk/arch/powerpc/platforms/pseries/Kconfig b/trunk/arch/powerpc/platforms/pseries/Kconfig
index 3139814f6439..c667f0f02c34 100644
--- a/trunk/arch/powerpc/platforms/pseries/Kconfig
+++ b/trunk/arch/powerpc/platforms/pseries/Kconfig
@@ -47,12 +47,6 @@ config LPARCFG
config PPC_PSERIES_DEBUG
depends on PPC_PSERIES && PPC_EARLY_DEBUG
bool "Enable extra debug logging in platforms/pseries"
- help
- Say Y here if you want the pseries core to produce a bunch of
- debug messages to the system log. Select this if you are having a
- problem with the pseries core and want to see more of what is
- going on. This does not enable debugging in lpar.c, which must
- be manually done due to its verbosity.
default y
config PPC_SMLPAR
diff --git a/trunk/arch/powerpc/platforms/pseries/eeh.c b/trunk/arch/powerpc/platforms/pseries/eeh.c
index 17a11c82e6f8..34b7dc12e731 100644
--- a/trunk/arch/powerpc/platforms/pseries/eeh.c
+++ b/trunk/arch/powerpc/platforms/pseries/eeh.c
@@ -21,6 +21,8 @@
* Please address comments and feedback to Linas Vepstas
*/
+#undef DEBUG
+
#include
#include
#include
diff --git a/trunk/arch/powerpc/platforms/pseries/pci_dlpar.c b/trunk/arch/powerpc/platforms/pseries/pci_dlpar.c
index 5fcc92a12d3e..4b7a062dee15 100644
--- a/trunk/arch/powerpc/platforms/pseries/pci_dlpar.c
+++ b/trunk/arch/powerpc/platforms/pseries/pci_dlpar.c
@@ -25,6 +25,8 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#undef DEBUG
+
#include
#include
#include
diff --git a/trunk/arch/s390/Kconfig.debug b/trunk/arch/s390/Kconfig.debug
index 05221b13ffb1..45e0c6199f36 100644
--- a/trunk/arch/s390/Kconfig.debug
+++ b/trunk/arch/s390/Kconfig.debug
@@ -6,18 +6,6 @@ config TRACE_IRQFLAGS_SUPPORT
source "lib/Kconfig.debug"
-config STRICT_DEVMEM
- def_bool y
- prompt "Filter access to /dev/mem"
- ---help---
- This option restricts access to /dev/mem. If this option is
- disabled, you allow userspace access to all memory, including
- kernel and userspace memory. Accidental memory access is likely
- to be disastrous.
- Memory access is required for experts who want to debug the kernel.
-
- If you are unsure, say Y.
-
config DEBUG_STRICT_USER_COPY_CHECKS
bool "Strict user copy size checks"
---help---
diff --git a/trunk/arch/s390/include/asm/page.h b/trunk/arch/s390/include/asm/page.h
index 3c987e9ec8d6..a8729ea7e9ac 100644
--- a/trunk/arch/s390/include/asm/page.h
+++ b/trunk/arch/s390/include/asm/page.h
@@ -130,11 +130,6 @@ struct page;
void arch_free_page(struct page *page, int order);
void arch_alloc_page(struct page *page, int order);
-static inline int devmem_is_allowed(unsigned long pfn)
-{
- return 0;
-}
-
#define HAVE_ARCH_FREE_PAGE
#define HAVE_ARCH_ALLOC_PAGE
diff --git a/trunk/arch/s390/kernel/compat_linux.c b/trunk/arch/s390/kernel/compat_linux.c
index 53acaa86dd94..1e6449c79ab6 100644
--- a/trunk/arch/s390/kernel/compat_linux.c
+++ b/trunk/arch/s390/kernel/compat_linux.c
@@ -25,6 +25,7 @@
#include
#include
#include
+#include
#include
#include
#include
diff --git a/trunk/arch/s390/kernel/kprobes.c b/trunk/arch/s390/kernel/kprobes.c
index 2564793ec2b6..d60fc4398516 100644
--- a/trunk/arch/s390/kernel/kprobes.c
+++ b/trunk/arch/s390/kernel/kprobes.c
@@ -30,7 +30,6 @@
#include
#include
#include
-#include
DEFINE_PER_CPU(struct kprobe *, current_kprobe) = NULL;
DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);
@@ -213,7 +212,7 @@ static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
/* Set the PER control regs, turns on single step for this address */
__ctl_load(kprobe_per_regs, 9, 11);
regs->psw.mask |= PSW_MASK_PER;
- regs->psw.mask &= ~(PSW_MASK_IO | PSW_MASK_EXT);
+ regs->psw.mask &= ~(PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK);
}
static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb)
@@ -240,7 +239,7 @@ static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
__get_cpu_var(current_kprobe) = p;
/* Save the interrupt and per flags */
kcb->kprobe_saved_imask = regs->psw.mask &
- (PSW_MASK_PER | PSW_MASK_IO | PSW_MASK_EXT);
+ (PSW_MASK_PER | PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK);
/* Save the control regs that govern PER */
__ctl_store(kcb->kprobe_saved_ctl, 9, 11);
}
@@ -317,6 +316,8 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
return 1;
ss_probe:
+ if (regs->psw.mask & (PSW_MASK_PER | PSW_MASK_IO))
+ local_irq_disable();
prepare_singlestep(p, regs);
kcb->kprobe_status = KPROBE_HIT_SS;
return 1;
@@ -349,7 +350,6 @@ static int __kprobes trampoline_probe_handler(struct kprobe *p,
struct hlist_node *node, *tmp;
unsigned long flags, orig_ret_address = 0;
unsigned long trampoline_address = (unsigned long)&kretprobe_trampoline;
- kprobe_opcode_t *correct_ret_addr = NULL;
INIT_HLIST_HEAD(&empty_rp);
kretprobe_hash_lock(current, &head, &flags);
@@ -372,32 +372,10 @@ static int __kprobes trampoline_probe_handler(struct kprobe *p,
/* another task is sharing our hash bucket */
continue;
- orig_ret_address = (unsigned long)ri->ret_addr;
-
- if (orig_ret_address != trampoline_address)
- /*
- * This is the real return address. Any other
- * instances associated with this task are for
- * other calls deeper on the call stack
- */
- break;
- }
-
- kretprobe_assert(ri, orig_ret_address, trampoline_address);
-
- correct_ret_addr = ri->ret_addr;
- hlist_for_each_entry_safe(ri, node, tmp, head, hlist) {
- if (ri->task != current)
- /* another task is sharing our hash bucket */
- continue;
-
- orig_ret_address = (unsigned long)ri->ret_addr;
-
- if (ri->rp && ri->rp->handler) {
- ri->ret_addr = correct_ret_addr;
+ if (ri->rp && ri->rp->handler)
ri->rp->handler(ri, regs);
- }
+ orig_ret_address = (unsigned long)ri->ret_addr;
recycle_rp_inst(ri, &empty_rp);
if (orig_ret_address != trampoline_address) {
@@ -409,7 +387,7 @@ static int __kprobes trampoline_probe_handler(struct kprobe *p,
break;
}
}
-
+ kretprobe_assert(ri, orig_ret_address, trampoline_address);
regs->psw.addr = orig_ret_address | PSW_ADDR_AMODE;
reset_current_kprobe();
@@ -487,6 +465,8 @@ static int __kprobes post_kprobe_handler(struct pt_regs *regs)
goto out;
}
reset_current_kprobe();
+ if (regs->psw.mask & (PSW_MASK_PER | PSW_MASK_IO))
+ local_irq_enable();
out:
preempt_enable_no_resched();
@@ -502,7 +482,7 @@ static int __kprobes post_kprobe_handler(struct pt_regs *regs)
return 1;
}
-static int __kprobes kprobe_trap_handler(struct pt_regs *regs, int trapnr)
+int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
{
struct kprobe *cur = kprobe_running();
struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
@@ -528,6 +508,8 @@ static int __kprobes kprobe_trap_handler(struct pt_regs *regs, int trapnr)
restore_previous_kprobe(kcb);
else {
reset_current_kprobe();
+ if (regs->psw.mask & (PSW_MASK_PER | PSW_MASK_IO))
+ local_irq_enable();
}
preempt_enable_no_resched();
break;
@@ -571,18 +553,6 @@ static int __kprobes kprobe_trap_handler(struct pt_regs *regs, int trapnr)
return 0;
}
-int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
-{
- int ret;
-
- if (regs->psw.mask & (PSW_MASK_IO | PSW_MASK_EXT))
- local_irq_disable();
- ret = kprobe_trap_handler(regs, trapnr);
- if (regs->psw.mask & (PSW_MASK_IO | PSW_MASK_EXT))
- local_irq_restore(regs->psw.mask & ~PSW_MASK_PER);
- return ret;
-}
-
/*
* Wrapper routine to for handling exceptions.
*/
@@ -590,12 +560,8 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
unsigned long val, void *data)
{
struct die_args *args = (struct die_args *)data;
- struct pt_regs *regs = args->regs;
int ret = NOTIFY_DONE;
- if (regs->psw.mask & (PSW_MASK_IO | PSW_MASK_EXT))
- local_irq_disable();
-
switch (val) {
case DIE_BPT:
if (kprobe_handler(args->regs))
@@ -606,17 +572,16 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
ret = NOTIFY_STOP;
break;
case DIE_TRAP:
- if (!preemptible() && kprobe_running() &&
- kprobe_trap_handler(args->regs, args->trapnr))
+ /* kprobe_running() needs smp_processor_id() */
+ preempt_disable();
+ if (kprobe_running() &&
+ kprobe_fault_handler(args->regs, args->trapnr))
ret = NOTIFY_STOP;
+ preempt_enable();
break;
default:
break;
}
-
- if (regs->psw.mask & (PSW_MASK_IO | PSW_MASK_EXT))
- local_irq_restore(regs->psw.mask & ~PSW_MASK_PER);
-
return ret;
}
@@ -630,7 +595,6 @@ int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
/* setup return addr to the jprobe handler routine */
regs->psw.addr = (unsigned long)(jp->entry) | PSW_ADDR_AMODE;
- regs->psw.mask &= ~(PSW_MASK_IO | PSW_MASK_EXT);
/* r14 is the function return address */
kcb->jprobe_saved_r14 = (unsigned long)regs->gprs[14];
diff --git a/trunk/arch/s390/mm/gup.c b/trunk/arch/s390/mm/gup.c
index 45b405ca2567..38e641cdd977 100644
--- a/trunk/arch/s390/mm/gup.c
+++ b/trunk/arch/s390/mm/gup.c
@@ -20,17 +20,18 @@
static inline int gup_pte_range(pmd_t *pmdp, pmd_t pmd, unsigned long addr,
unsigned long end, int write, struct page **pages, int *nr)
{
- unsigned long mask;
+ unsigned long mask, result;
pte_t *ptep, pte;
struct page *page;
- mask = (write ? _PAGE_RO : 0) | _PAGE_INVALID | _PAGE_SPECIAL;
+ result = write ? 0 : _PAGE_RO;
+ mask = result | _PAGE_INVALID | _PAGE_SPECIAL;
ptep = ((pte_t *) pmd_deref(pmd)) + pte_index(addr);
do {
pte = *ptep;
barrier();
- if ((pte_val(pte) & mask) != 0)
+ if ((pte_val(pte) & mask) != result)
return 0;
VM_BUG_ON(!pfn_valid(pte_pfn(pte)));
page = pte_page(pte);
diff --git a/trunk/arch/sh/include/asm/processor_32.h b/trunk/arch/sh/include/asm/processor_32.h
index e3c73cdd8c90..46d5179c9f49 100644
--- a/trunk/arch/sh/include/asm/processor_32.h
+++ b/trunk/arch/sh/include/asm/processor_32.h
@@ -199,13 +199,10 @@ extern unsigned long get_wchan(struct task_struct *p);
#define ARCH_HAS_PREFETCHW
static inline void prefetch(void *x)
{
- __builtin_prefetch(x, 0, 3);
+ __asm__ __volatile__ ("pref @%0\n\t" : : "r" (x) : "memory");
}
-static inline void prefetchw(void *x)
-{
- __builtin_prefetch(x, 1, 3);
-}
+#define prefetchw(x) prefetch(x)
#endif
#endif /* __KERNEL__ */
diff --git a/trunk/arch/sh/kernel/cpu/sh4/clock-sh4-202.c b/trunk/arch/sh/kernel/cpu/sh4/clock-sh4-202.c
index b601fa3978d1..4eabc68cd753 100644
--- a/trunk/arch/sh/kernel/cpu/sh4/clock-sh4-202.c
+++ b/trunk/arch/sh/kernel/cpu/sh4/clock-sh4-202.c
@@ -110,7 +110,7 @@ static int shoc_clk_verify_rate(struct clk *clk, unsigned long rate)
return 0;
}
-static int shoc_clk_set_rate(struct clk *clk, unsigned long rate)
+static int shoc_clk_set_rate(struct clk *clk, unsigned long rate, int algo_id)
{
unsigned long frqcr3;
unsigned int tmp;
diff --git a/trunk/arch/sh/kernel/sys_sh.c b/trunk/arch/sh/kernel/sys_sh.c
index 8c6a350df751..81f58371613d 100644
--- a/trunk/arch/sh/kernel/sys_sh.c
+++ b/trunk/arch/sh/kernel/sys_sh.c
@@ -88,7 +88,7 @@ asmlinkage int sys_cacheflush(unsigned long addr, unsigned long len, int op)
}
if (op & CACHEFLUSH_I)
- flush_icache_range(addr, addr+len);
+ flush_cache_all();
up_read(¤t->mm->mmap_sem);
return 0;
diff --git a/trunk/arch/sh/kernel/vsyscall/vsyscall-trapa.S b/trunk/arch/sh/kernel/vsyscall/vsyscall-trapa.S
index 3e70f851cdc6..3b6eb34c43fa 100644
--- a/trunk/arch/sh/kernel/vsyscall/vsyscall-trapa.S
+++ b/trunk/arch/sh/kernel/vsyscall/vsyscall-trapa.S
@@ -8,9 +8,9 @@ __kernel_vsyscall:
* fill out .eh_frame -- PFM. */
.LEND_vsyscall:
.size __kernel_vsyscall,.-.LSTART_vsyscall
+ .previous
.section .eh_frame,"a",@progbits
- .previous
.LCIE:
.ualong .LCIE_end - .LCIE_start
.LCIE_start:
diff --git a/trunk/arch/sparc/kernel/leon_smp.c b/trunk/arch/sparc/kernel/leon_smp.c
index 16582d85368a..7524689b03d2 100644
--- a/trunk/arch/sparc/kernel/leon_smp.c
+++ b/trunk/arch/sparc/kernel/leon_smp.c
@@ -12,6 +12,7 @@
#include
#include
#include
+#include
#include
#include
#include
diff --git a/trunk/arch/sparc/kernel/sys_sparc32.c b/trunk/arch/sparc/kernel/sys_sparc32.c
index 6db18c6927fb..e6375a750d9a 100644
--- a/trunk/arch/sparc/kernel/sys_sparc32.c
+++ b/trunk/arch/sparc/kernel/sys_sparc32.c
@@ -17,6 +17,7 @@
#include
#include
#include
+#include
#include
#include
#include
diff --git a/trunk/arch/sparc/kernel/sys_sparc_32.c b/trunk/arch/sparc/kernel/sys_sparc_32.c
index 42b282fa6112..675c9e11ada5 100644
--- a/trunk/arch/sparc/kernel/sys_sparc_32.c
+++ b/trunk/arch/sparc/kernel/sys_sparc_32.c
@@ -19,6 +19,7 @@
#include
#include
#include
+#include
#include
#include
diff --git a/trunk/arch/sparc/kernel/unaligned_32.c b/trunk/arch/sparc/kernel/unaligned_32.c
index 4491f4cb2695..12b9f352595f 100644
--- a/trunk/arch/sparc/kernel/unaligned_32.c
+++ b/trunk/arch/sparc/kernel/unaligned_32.c
@@ -16,6 +16,7 @@
#include
#include
#include
+#include
#include
enum direction {
diff --git a/trunk/arch/sparc/kernel/windows.c b/trunk/arch/sparc/kernel/windows.c
index 3107381e576d..b351770cbdd6 100644
--- a/trunk/arch/sparc/kernel/windows.c
+++ b/trunk/arch/sparc/kernel/windows.c
@@ -9,6 +9,7 @@
#include
#include
#include
+#include
#include
diff --git a/trunk/arch/tile/Kconfig b/trunk/arch/tile/Kconfig
index e11b5fcb70eb..07ec8a865c1d 100644
--- a/trunk/arch/tile/Kconfig
+++ b/trunk/arch/tile/Kconfig
@@ -329,18 +329,6 @@ endmenu # Tilera-specific configuration
menu "Bus options"
-config PCI
- bool "PCI support"
- default y
- select PCI_DOMAINS
- ---help---
- Enable PCI root complex support, so PCIe endpoint devices can
- be attached to the Tile chip. Many, but not all, PCI devices
- are supported under Tilera's root complex driver.
-
-config PCI_DOMAINS
- bool
-
config NO_IOMEM
def_bool !PCI
diff --git a/trunk/arch/tile/include/asm/cacheflush.h b/trunk/arch/tile/include/asm/cacheflush.h
index 14a3f8556ace..c5741da4eeac 100644
--- a/trunk/arch/tile/include/asm/cacheflush.h
+++ b/trunk/arch/tile/include/asm/cacheflush.h
@@ -137,56 +137,4 @@ static inline void finv_buffer(void *buffer, size_t size)
mb_incoherent();
}
-/*
- * Flush & invalidate a VA range that is homed remotely on a single core,
- * waiting until the memory controller holds the flushed values.
- */
-static inline void finv_buffer_remote(void *buffer, size_t size)
-{
- char *p;
- int i;
-
- /*
- * Flush and invalidate the buffer out of the local L1/L2
- * and request the home cache to flush and invalidate as well.
- */
- __finv_buffer(buffer, size);
-
- /*
- * Wait for the home cache to acknowledge that it has processed
- * all the flush-and-invalidate requests. This does not mean
- * that the flushed data has reached the memory controller yet,
- * but it does mean the home cache is processing the flushes.
- */
- __insn_mf();
-
- /*
- * Issue a load to the last cache line, which can't complete
- * until all the previously-issued flushes to the same memory
- * controller have also completed. If we weren't striping
- * memory, that one load would be sufficient, but since we may
- * be, we also need to back up to the last load issued to
- * another memory controller, which would be the point where
- * we crossed an 8KB boundary (the granularity of striping
- * across memory controllers). Keep backing up and doing this
- * until we are before the beginning of the buffer, or have
- * hit all the controllers.
- */
- for (i = 0, p = (char *)buffer + size - 1;
- i < (1 << CHIP_LOG_NUM_MSHIMS()) && p >= (char *)buffer;
- ++i) {
- const unsigned long STRIPE_WIDTH = 8192;
-
- /* Force a load instruction to issue. */
- *(volatile char *)p;
-
- /* Jump to end of previous stripe. */
- p -= STRIPE_WIDTH;
- p = (char *)((unsigned long)p | (STRIPE_WIDTH - 1));
- }
-
- /* Wait for the loads (and thus flushes) to have completed. */
- __insn_mf();
-}
-
#endif /* _ASM_TILE_CACHEFLUSH_H */
diff --git a/trunk/arch/tile/include/asm/io.h b/trunk/arch/tile/include/asm/io.h
index d3cbb9b14cbe..ee43328713ab 100644
--- a/trunk/arch/tile/include/asm/io.h
+++ b/trunk/arch/tile/include/asm/io.h
@@ -55,6 +55,9 @@ extern void iounmap(volatile void __iomem *addr);
#define ioremap_writethrough(physaddr, size) ioremap(physaddr, size)
#define ioremap_fullcache(physaddr, size) ioremap(physaddr, size)
+void __iomem *ioport_map(unsigned long port, unsigned int len);
+extern inline void ioport_unmap(void __iomem *addr) {}
+
#define mmiowb()
/* Conversion between virtual and physical mappings. */
@@ -186,22 +189,12 @@ static inline void memcpy_toio(volatile void __iomem *dst, const void *src,
* we never run, uses them unconditionally.
*/
-static inline long ioport_panic(void)
+static inline int ioport_panic(void)
{
panic("inb/outb and friends do not exist on tile");
return 0;
}
-static inline void __iomem *ioport_map(unsigned long port, unsigned int len)
-{
- return (void __iomem *) ioport_panic();
-}
-
-static inline void ioport_unmap(void __iomem *addr)
-{
- ioport_panic();
-}
-
static inline u8 inb(unsigned long addr)
{
return ioport_panic();
diff --git a/trunk/arch/tile/include/asm/pci-bridge.h b/trunk/arch/tile/include/asm/pci-bridge.h
new file mode 100644
index 000000000000..e853b0e2793b
--- /dev/null
+++ b/trunk/arch/tile/include/asm/pci-bridge.h
@@ -0,0 +1,117 @@
+/*
+ * Copyright 2010 Tilera Corporation. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT. See the GNU General Public License for
+ * more details.
+ */
+
+#ifndef _ASM_TILE_PCI_BRIDGE_H
+#define _ASM_TILE_PCI_BRIDGE_H
+
+#include
+#include
+
+struct device_node;
+struct pci_controller;
+
+/*
+ * pci_io_base returns the memory address at which you can access
+ * the I/O space for PCI bus number `bus' (or NULL on error).
+ */
+extern void __iomem *pci_bus_io_base(unsigned int bus);
+extern unsigned long pci_bus_io_base_phys(unsigned int bus);
+extern unsigned long pci_bus_mem_base_phys(unsigned int bus);
+
+/* Allocate a new PCI host bridge structure */
+extern struct pci_controller *pcibios_alloc_controller(void);
+
+/* Helper function for setting up resources */
+extern void pci_init_resource(struct resource *res, unsigned long start,
+ unsigned long end, int flags, char *name);
+
+/* Get the PCI host controller for a bus */
+extern struct pci_controller *pci_bus_to_hose(int bus);
+
+/*
+ * Structure of a PCI controller (host bridge)
+ */
+struct pci_controller {
+ int index; /* PCI domain number */
+ struct pci_bus *root_bus;
+
+ int first_busno;
+ int last_busno;
+
+ int hv_cfg_fd[2]; /* config{0,1} fds for this PCIe controller */
+ int hv_mem_fd; /* fd to Hypervisor for MMIO operations */
+
+ struct pci_ops *ops;
+
+ int irq_base; /* Base IRQ from the Hypervisor */
+ int plx_gen1; /* flag for PLX Gen 1 configuration */
+
+ /* Address ranges that are routed to this controller/bridge. */
+ struct resource mem_resources[3];
+};
+
+static inline struct pci_controller *pci_bus_to_host(struct pci_bus *bus)
+{
+ return bus->sysdata;
+}
+
+extern void setup_indirect_pci_nomap(struct pci_controller *hose,
+ void __iomem *cfg_addr, void __iomem *cfg_data);
+extern void setup_indirect_pci(struct pci_controller *hose,
+ u32 cfg_addr, u32 cfg_data);
+extern void setup_grackle(struct pci_controller *hose);
+
+extern unsigned char common_swizzle(struct pci_dev *, unsigned char *);
+
+/*
+ * The following code swizzles for exactly one bridge. The routine
+ * common_swizzle below handles multiple bridges. But there are a
+ * some boards that don't follow the PCI spec's suggestion so we
+ * break this piece out separately.
+ */
+static inline unsigned char bridge_swizzle(unsigned char pin,
+ unsigned char idsel)
+{
+ return (((pin-1) + idsel) % 4) + 1;
+}
+
+/*
+ * The following macro is used to lookup irqs in a standard table
+ * format for those PPC systems that do not already have PCI
+ * interrupts properly routed.
+ */
+/* FIXME - double check this */
+#define PCI_IRQ_TABLE_LOOKUP ({ \
+ long _ctl_ = -1; \
+ if (idsel >= min_idsel && idsel <= max_idsel && pin <= irqs_per_slot) \
+ _ctl_ = pci_irq_table[idsel - min_idsel][pin-1]; \
+ _ctl_; \
+})
+
+/*
+ * Scan the buses below a given PCI host bridge and assign suitable
+ * resources to all devices found.
+ */
+extern int pciauto_bus_scan(struct pci_controller *, int);
+
+#ifdef CONFIG_PCI
+extern unsigned long pci_address_to_pio(phys_addr_t address);
+#else
+static inline unsigned long pci_address_to_pio(phys_addr_t address)
+{
+ return (unsigned long)-1;
+}
+#endif
+
+#endif /* _ASM_TILE_PCI_BRIDGE_H */
diff --git a/trunk/arch/tile/include/asm/pci.h b/trunk/arch/tile/include/asm/pci.h
index c3fc458a0d32..b0c15da2d5d5 100644
--- a/trunk/arch/tile/include/asm/pci.h
+++ b/trunk/arch/tile/include/asm/pci.h
@@ -15,29 +15,7 @@
#ifndef _ASM_TILE_PCI_H
#define _ASM_TILE_PCI_H
-#include
-
-/*
- * Structure of a PCI controller (host bridge)
- */
-struct pci_controller {
- int index; /* PCI domain number */
- struct pci_bus *root_bus;
-
- int first_busno;
- int last_busno;
-
- int hv_cfg_fd[2]; /* config{0,1} fds for this PCIe controller */
- int hv_mem_fd; /* fd to Hypervisor for MMIO operations */
-
- struct pci_ops *ops;
-
- int irq_base; /* Base IRQ from the Hypervisor */
- int plx_gen1; /* flag for PLX Gen 1 configuration */
-
- /* Address ranges that are routed to this controller/bridge. */
- struct resource mem_resources[3];
-};
+#include
/*
* The hypervisor maps the entirety of CPA-space as bus addresses, so
@@ -46,13 +24,57 @@ struct pci_controller {
*/
#define PCI_DMA_BUS_IS_PHYS 1
+struct pci_controller *pci_bus_to_hose(int bus);
+unsigned char __init common_swizzle(struct pci_dev *dev, unsigned char *pinp);
int __init tile_pci_init(void);
-
+void pci_iounmap(struct pci_dev *dev, void __iomem *addr);
void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max);
-static inline void pci_iounmap(struct pci_dev *dev, void __iomem *addr) {}
-
void __devinit pcibios_fixup_bus(struct pci_bus *bus);
+int __devinit _tile_cfg_read(struct pci_controller *hose,
+ int bus,
+ int slot,
+ int function,
+ int offset,
+ int size,
+ u32 *val);
+int __devinit _tile_cfg_write(struct pci_controller *hose,
+ int bus,
+ int slot,
+ int function,
+ int offset,
+ int size,
+ u32 val);
+
+/*
+ * These are used to to config reads and writes in the early stages of
+ * setup before the driver infrastructure has been set up enough to be
+ * able to do config reads and writes.
+ */
+#define early_cfg_read(where, size, value) \
+ _tile_cfg_read(controller, \
+ current_bus, \
+ pci_slot, \
+ pci_fn, \
+ where, \
+ size, \
+ value)
+
+#define early_cfg_write(where, size, value) \
+ _tile_cfg_write(controller, \
+ current_bus, \
+ pci_slot, \
+ pci_fn, \
+ where, \
+ size, \
+ value)
+
+
+
+#define PCICFG_BYTE 1
+#define PCICFG_WORD 2
+#define PCICFG_DWORD 4
+
#define TILE_NUM_PCIE 2
#define pci_domain_nr(bus) (((struct pci_controller *)(bus)->sysdata)->index)
@@ -66,33 +88,33 @@ static inline int pci_proc_domain(struct pci_bus *bus)
}
/*
- * pcibios_assign_all_busses() tells whether or not the bus numbers
- * should be reassigned, in case the BIOS didn't do it correctly, or
- * in case we don't have a BIOS and we want to let Linux do it.
+ * I/O space is currently not supported.
*/
-static inline int pcibios_assign_all_busses(void)
-{
- return 1;
-}
-/*
- * No special bus mastering setup handling.
- */
+#define TILE_PCIE_LOWER_IO 0x0
+#define TILE_PCIE_UPPER_IO 0x10000
+#define TILE_PCIE_PCIE_IO_SIZE 0x0000FFFF
+
+#define _PAGE_NO_CACHE 0
+#define _PAGE_GUARDED 0
+
+
+#define pcibios_assign_all_busses() pci_assign_all_buses
+extern int pci_assign_all_buses;
+
static inline void pcibios_set_master(struct pci_dev *dev)
{
+ /* No special bus mastering setup handling */
}
#define PCIBIOS_MIN_MEM 0
-#define PCIBIOS_MIN_IO 0
+#define PCIBIOS_MIN_IO TILE_PCIE_LOWER_IO
/*
* This flag tells if the platform is TILEmpower that needs
* special configuration for the PLX switch chip.
*/
-extern int tile_plx_gen1;
-
-/* Use any cpu for PCI. */
-#define cpumask_of_pcibus(bus) cpu_online_mask
+extern int blade_pci;
/* implement the pci_ DMA API in terms of the generic device dma_ one */
#include
@@ -100,4 +122,7 @@ extern int tile_plx_gen1;
/* generic pci stuff */
#include
+/* Use any cpu for PCI. */
+#define cpumask_of_pcibus(bus) cpu_online_mask
+
#endif /* _ASM_TILE_PCI_H */
diff --git a/trunk/arch/tile/include/asm/processor.h b/trunk/arch/tile/include/asm/processor.h
index a9e7c8760334..1747ff3946b2 100644
--- a/trunk/arch/tile/include/asm/processor.h
+++ b/trunk/arch/tile/include/asm/processor.h
@@ -292,18 +292,8 @@ extern int kstack_hash;
/* Are we using huge pages in the TLB for kernel data? */
extern int kdata_huge;
-/* Support standard Linux prefetching. */
-#define ARCH_HAS_PREFETCH
-#define prefetch(x) __builtin_prefetch(x)
#define PREFETCH_STRIDE CHIP_L2_LINE_SIZE()
-/* Bring a value into the L1D, faulting the TLB if necessary. */
-#ifdef __tilegx__
-#define prefetch_L1(x) __insn_prefetch_l1_fault((void *)(x))
-#else
-#define prefetch_L1(x) __insn_prefetch_L1((void *)(x))
-#endif
-
#else /* __ASSEMBLY__ */
/* Do some slow action (e.g. read a slow SPR). */
diff --git a/trunk/arch/tile/include/hv/drv_xgbe_impl.h b/trunk/arch/tile/include/hv/drv_xgbe_impl.h
deleted file mode 100644
index 3a73b2b44913..000000000000
--- a/trunk/arch/tile/include/hv/drv_xgbe_impl.h
+++ /dev/null
@@ -1,300 +0,0 @@
-/*
- * Copyright 2010 Tilera Corporation. All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, version 2.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
- * NON INFRINGEMENT. See the GNU General Public License for
- * more details.
- */
-
-/**
- * @file drivers/xgbe/impl.h
- * Implementation details for the NetIO library.
- */
-
-#ifndef __DRV_XGBE_IMPL_H__
-#define __DRV_XGBE_IMPL_H__
-
-#include
-#include
-#include
-
-
-/** How many groups we have (log2). */
-#define LOG2_NUM_GROUPS (12)
-/** How many groups we have. */
-#define NUM_GROUPS (1 << LOG2_NUM_GROUPS)
-
-/** Number of output requests we'll buffer per tile. */
-#define EPP_REQS_PER_TILE (32)
-
-/** Words used in an eDMA command without checksum acceleration. */
-#define EDMA_WDS_NO_CSUM 8
-/** Words used in an eDMA command with checksum acceleration. */
-#define EDMA_WDS_CSUM 10
-/** Total available words in the eDMA command FIFO. */
-#define EDMA_WDS_TOTAL 128
-
-
-/*
- * FIXME: These definitions are internal and should have underscores!
- * NOTE: The actual numeric values here are intentional and allow us to
- * optimize the concept "if small ... else if large ... else ...", by
- * checking for the low bit being set, and then for non-zero.
- * These are used as array indices, so they must have the values (0, 1, 2)
- * in some order.
- */
-#define SIZE_SMALL (1) /**< Small packet queue. */
-#define SIZE_LARGE (2) /**< Large packet queue. */
-#define SIZE_JUMBO (0) /**< Jumbo packet queue. */
-
-/** The number of "SIZE_xxx" values. */
-#define NETIO_NUM_SIZES 3
-
-
-/*
- * Default numbers of packets for IPP drivers. These values are chosen
- * such that CIPP1 will not overflow its L2 cache.
- */
-
-/** The default number of small packets. */
-#define NETIO_DEFAULT_SMALL_PACKETS 2750
-/** The default number of large packets. */
-#define NETIO_DEFAULT_LARGE_PACKETS 2500
-/** The default number of jumbo packets. */
-#define NETIO_DEFAULT_JUMBO_PACKETS 250
-
-
-/** Log2 of the size of a memory arena. */
-#define NETIO_ARENA_SHIFT 24 /* 16 MB */
-/** Size of a memory arena. */
-#define NETIO_ARENA_SIZE (1 << NETIO_ARENA_SHIFT)
-
-
-/** A queue of packets.
- *
- * This structure partially defines a queue of packets waiting to be
- * processed. The queue as a whole is written to by an interrupt handler and
- * read by non-interrupt code; this data structure is what's touched by the
- * interrupt handler. The other part of the queue state, the read offset, is
- * kept in user space, not in hypervisor space, so it is in a separate data
- * structure.
- *
- * The read offset (__packet_receive_read in the user part of the queue
- * structure) points to the next packet to be read. When the read offset is
- * equal to the write offset, the queue is empty; therefore the queue must
- * contain one more slot than the required maximum queue size.
- *
- * Here's an example of all 3 state variables and what they mean. All
- * pointers move left to right.
- *
- * @code
- * I I V V V V I I I I
- * 0 1 2 3 4 5 6 7 8 9 10
- * ^ ^ ^ ^
- * | | |
- * | | __last_packet_plus_one
- * | __buffer_write
- * __packet_receive_read
- * @endcode
- *
- * This queue has 10 slots, and thus can hold 9 packets (_last_packet_plus_one
- * = 10). The read pointer is at 2, and the write pointer is at 6; thus,
- * there are valid, unread packets in slots 2, 3, 4, and 5. The remaining
- * slots are invalid (do not contain a packet).
- */
-typedef struct {
- /** Byte offset of the next notify packet to be written: zero for the first
- * packet on the queue, sizeof (netio_pkt_t) for the second packet on the
- * queue, etc. */
- volatile uint32_t __packet_write;
-
- /** Offset of the packet after the last valid packet (i.e., when any
- * pointer is incremented to this value, it wraps back to zero). */
- uint32_t __last_packet_plus_one;
-}
-__netio_packet_queue_t;
-
-
-/** A queue of buffers.
- *
- * This structure partially defines a queue of empty buffers which have been
- * obtained via requests to the IPP. (The elements of the queue are packet
- * handles, which are transformed into a full netio_pkt_t when the buffer is
- * retrieved.) The queue as a whole is written to by an interrupt handler and
- * read by non-interrupt code; this data structure is what's touched by the
- * interrupt handler. The other parts of the queue state, the read offset and
- * requested write offset, are kept in user space, not in hypervisor space, so
- * they are in a separate data structure.
- *
- * The read offset (__buffer_read in the user part of the queue structure)
- * points to the next buffer to be read. When the read offset is equal to the
- * write offset, the queue is empty; therefore the queue must contain one more
- * slot than the required maximum queue size.
- *
- * The requested write offset (__buffer_requested_write in the user part of
- * the queue structure) points to the slot which will hold the next buffer we
- * request from the IPP, once we get around to sending such a request. When
- * the requested write offset is equal to the write offset, no requests for
- * new buffers are outstanding; when the requested write offset is one greater
- * than the read offset, no more requests may be sent.
- *
- * Note that, unlike the packet_queue, the buffer_queue places incoming
- * buffers at decreasing addresses. This makes the check for "is it time to
- * wrap the buffer pointer" cheaper in the assembly code which receives new
- * buffers, and means that the value which defines the queue size,
- * __last_buffer, is different than in the packet queue. Also, the offset
- * used in the packet_queue is already scaled by the size of a packet; here we
- * use unscaled slot indices for the offsets. (These differences are
- * historical, and in the future it's possible that the packet_queue will look
- * more like this queue.)
- *
- * @code
- * Here's an example of all 4 state variables and what they mean. Remember:
- * all pointers move right to left.
- *
- * V V V I I R R V V V
- * 0 1 2 3 4 5 6 7 8 9
- * ^ ^ ^ ^
- * | | | |
- * | | | __last_buffer
- * | | __buffer_write
- * | __buffer_requested_write
- * __buffer_read
- * @endcode
- *
- * This queue has 10 slots, and thus can hold 9 buffers (_last_buffer = 9).
- * The read pointer is at 2, and the write pointer is at 6; thus, there are
- * valid, unread buffers in slots 2, 1, 0, 9, 8, and 7. The requested write
- * pointer is at 4; thus, requests have been made to the IPP for buffers which
- * will be placed in slots 6 and 5 when they arrive. Finally, the remaining
- * slots are invalid (do not contain a buffer).
- */
-typedef struct
-{
- /** Ordinal number of the next buffer to be written: 0 for the first slot in
- * the queue, 1 for the second slot in the queue, etc. */
- volatile uint32_t __buffer_write;
-
- /** Ordinal number of the last buffer (i.e., when any pointer is decremented
- * below zero, it is reloaded with this value). */
- uint32_t __last_buffer;
-}
-__netio_buffer_queue_t;
-
-
-/**
- * An object for providing Ethernet packets to a process.
- */
-typedef struct __netio_queue_impl_t
-{
- /** The queue of packets waiting to be received. */
- __netio_packet_queue_t __packet_receive_queue;
- /** The intr bit mask that IDs this device. */
- unsigned int __intr_id;
- /** Offset to queues of empty buffers, one per size. */
- uint32_t __buffer_queue[NETIO_NUM_SIZES];
- /** The address of the first EPP tile, or -1 if no EPP. */
- /* ISSUE: Actually this is always "0" or "~0". */
- uint32_t __epp_location;
- /** The queue ID that this queue represents. */
- unsigned int __queue_id;
- /** Number of acknowledgements received. */
- volatile uint32_t __acks_received;
- /** Last completion number received for packet_sendv. */
- volatile uint32_t __last_completion_rcv;
- /** Number of packets allowed to be outstanding. */
- uint32_t __max_outstanding;
- /** First VA available for packets. */
- void* __va_0;
- /** First VA in second range available for packets. */
- void* __va_1;
- /** Padding to align the "__packets" field to the size of a netio_pkt_t. */
- uint32_t __padding[3];
- /** The packets themselves. */
- netio_pkt_t __packets[0];
-}
-netio_queue_impl_t;
-
-
-/**
- * An object for managing the user end of a NetIO queue.
- */
-typedef struct __netio_queue_user_impl_t
-{
- /** The next incoming packet to be read. */
- uint32_t __packet_receive_read;
- /** The next empty buffers to be read, one index per size. */
- uint8_t __buffer_read[NETIO_NUM_SIZES];
- /** Where the empty buffer we next request from the IPP will go, one index
- * per size. */
- uint8_t __buffer_requested_write[NETIO_NUM_SIZES];
- /** PCIe interface flag. */
- uint8_t __pcie;
- /** Number of packets left to be received before we send a credit update. */
- uint32_t __receive_credit_remaining;
- /** Value placed in __receive_credit_remaining when it reaches zero. */
- uint32_t __receive_credit_interval;
- /** First fast I/O routine index. */
- uint32_t __fastio_index;
- /** Number of acknowledgements expected. */
- uint32_t __acks_outstanding;
- /** Last completion number requested. */
- uint32_t __last_completion_req;
- /** File descriptor for driver. */
- int __fd;
-}
-netio_queue_user_impl_t;
-
-
-#define NETIO_GROUP_CHUNK_SIZE 64 /**< Max # groups in one IPP request */
-#define NETIO_BUCKET_CHUNK_SIZE 64 /**< Max # buckets in one IPP request */
-
-
-/** Internal structure used to convey packet send information to the
- * hypervisor. FIXME: Actually, it's not used for that anymore, but
- * netio_packet_send() still uses it internally.
- */
-typedef struct
-{
- uint16_t flags; /**< Packet flags (__NETIO_SEND_FLG_xxx) */
- uint16_t transfer_size; /**< Size of packet */
- uint32_t va; /**< VA of start of packet */
- __netio_pkt_handle_t handle; /**< Packet handle */
- uint32_t csum0; /**< First checksum word */
- uint32_t csum1; /**< Second checksum word */
-}
-__netio_send_cmd_t;
-
-
-/** Flags used in two contexts:
- * - As the "flags" member in the __netio_send_cmd_t, above; used only
- * for netio_pkt_send_{prepare,commit}.
- * - As part of the flags passed to the various send packet fast I/O calls.
- */
-
-/** Need acknowledgement on this packet. Note that some code in the
- * normal send_pkt fast I/O handler assumes that this is equal to 1. */
-#define __NETIO_SEND_FLG_ACK 0x1
-
-/** Do checksum on this packet. (Only used with the __netio_send_cmd_t;
- * normal packet sends use a special fast I/O index to denote checksumming,
- * and multi-segment sends test the checksum descriptor.) */
-#define __NETIO_SEND_FLG_CSUM 0x2
-
-/** Get a completion on this packet. Only used with multi-segment sends. */
-#define __NETIO_SEND_FLG_COMPLETION 0x4
-
-/** Position of the number-of-extra-segments value in the flags word.
- Only used with multi-segment sends. */
-#define __NETIO_SEND_FLG_XSEG_SHIFT 3
-
-/** Width of the number-of-extra-segments value in the flags word. */
-#define __NETIO_SEND_FLG_XSEG_WIDTH 2
-
-#endif /* __DRV_XGBE_IMPL_H__ */
diff --git a/trunk/arch/tile/include/hv/drv_xgbe_intf.h b/trunk/arch/tile/include/hv/drv_xgbe_intf.h
deleted file mode 100644
index 146e47d5334b..000000000000
--- a/trunk/arch/tile/include/hv/drv_xgbe_intf.h
+++ /dev/null
@@ -1,615 +0,0 @@
-/*
- * Copyright 2010 Tilera Corporation. All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, version 2.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
- * NON INFRINGEMENT. See the GNU General Public License for
- * more details.
- */
-
-/**
- * @file drv_xgbe_intf.h
- * Interface to the hypervisor XGBE driver.
- */
-
-#ifndef __DRV_XGBE_INTF_H__
-#define __DRV_XGBE_INTF_H__
-
-/**
- * An object for forwarding VAs and PAs to the hypervisor.
- * @ingroup types
- *
- * This allows the supervisor to specify a number of areas of memory to
- * store packet buffers.
- */
-typedef struct
-{
- /** The physical address of the memory. */
- HV_PhysAddr pa;
- /** Page table entry for the memory. This is only used to derive the
- * memory's caching mode; the PA bits are ignored. */
- HV_PTE pte;
- /** The virtual address of the memory. */
- HV_VirtAddr va;
- /** Size (in bytes) of the memory area. */
- int size;
-
-}
-netio_ipp_address_t;
-
-/** The various pread/pwrite offsets into the hypervisor-level driver.
- * @ingroup types
- */
-typedef enum
-{
- /** Inform the Linux driver of the address of the NetIO arena memory.
- * This offset is actually only used to convey information from netio
- * to the Linux driver; it never makes it from there to the hypervisor.
- * Write-only; takes a uint32_t specifying the VA address. */
- NETIO_FIXED_ADDR = 0x5000000000000000ULL,
-
- /** Inform the Linux driver of the size of the NetIO arena memory.
- * This offset is actually only used to convey information from netio
- * to the Linux driver; it never makes it from there to the hypervisor.
- * Write-only; takes a uint32_t specifying the VA size. */
- NETIO_FIXED_SIZE = 0x5100000000000000ULL,
-
- /** Register current tile with IPP. Write then read: write, takes a
- * netio_input_config_t, read returns a pointer to a netio_queue_impl_t. */
- NETIO_IPP_INPUT_REGISTER_OFF = 0x6000000000000000ULL,
-
- /** Unregister current tile from IPP. Write-only, takes a dummy argument. */
- NETIO_IPP_INPUT_UNREGISTER_OFF = 0x6100000000000000ULL,
-
- /** Start packets flowing. Write-only, takes a dummy argument. */
- NETIO_IPP_INPUT_INIT_OFF = 0x6200000000000000ULL,
-
- /** Stop packets flowing. Write-only, takes a dummy argument. */
- NETIO_IPP_INPUT_UNINIT_OFF = 0x6300000000000000ULL,
-
- /** Configure group (typically we group on VLAN). Write-only: takes an
- * array of netio_group_t's, low 24 bits of the offset is the base group
- * number times the size of a netio_group_t. */
- NETIO_IPP_INPUT_GROUP_CFG_OFF = 0x6400000000000000ULL,
-
- /** Configure bucket. Write-only: takes an array of netio_bucket_t's, low
- * 24 bits of the offset is the base bucket number times the size of a
- * netio_bucket_t. */
- NETIO_IPP_INPUT_BUCKET_CFG_OFF = 0x6500000000000000ULL,
-
- /** Get/set a parameter. Read or write: read or write data is the parameter
- * value, low 32 bits of the offset is a __netio_getset_offset_t. */
- NETIO_IPP_PARAM_OFF = 0x6600000000000000ULL,
-
- /** Get fast I/O index. Read-only; returns a 4-byte base index value. */
- NETIO_IPP_GET_FASTIO_OFF = 0x6700000000000000ULL,
-
- /** Configure hijack IP address. Packets with this IPv4 dest address
- * go to bucket NETIO_NUM_BUCKETS - 1. Write-only: takes an IP address
- * in some standard form. FIXME: Define the form! */
- NETIO_IPP_INPUT_HIJACK_CFG_OFF = 0x6800000000000000ULL,
-
- /**
- * Offsets beyond this point are reserved for the supervisor (although that
- * enforcement must be done by the supervisor driver itself).
- */
- NETIO_IPP_USER_MAX_OFF = 0x6FFFFFFFFFFFFFFFULL,
-
- /** Register I/O memory. Write-only, takes a netio_ipp_address_t. */
- NETIO_IPP_IOMEM_REGISTER_OFF = 0x7000000000000000ULL,
-
- /** Unregister I/O memory. Write-only, takes a netio_ipp_address_t. */
- NETIO_IPP_IOMEM_UNREGISTER_OFF = 0x7100000000000000ULL,
-
- /* Offsets greater than 0x7FFFFFFF can't be used directly from Linux
- * userspace code due to limitations in the pread/pwrite syscalls. */
-
- /** Drain LIPP buffers. */
- NETIO_IPP_DRAIN_OFF = 0xFA00000000000000ULL,
-
- /** Supply a netio_ipp_address_t to be used as shared memory for the
- * LEPP command queue. */
- NETIO_EPP_SHM_OFF = 0xFB00000000000000ULL,
-
- /* 0xFC... is currently unused. */
-
- /** Stop IPP/EPP tiles. Write-only, takes a dummy argument. */
- NETIO_IPP_STOP_SHIM_OFF = 0xFD00000000000000ULL,
-
- /** Start IPP/EPP tiles. Write-only, takes a dummy argument. */
- NETIO_IPP_START_SHIM_OFF = 0xFE00000000000000ULL,
-
- /** Supply packet arena. Write-only, takes an array of
- * netio_ipp_address_t values. */
- NETIO_IPP_ADDRESS_OFF = 0xFF00000000000000ULL,
-} netio_hv_offset_t;
-
-/** Extract the base offset from an offset */
-#define NETIO_BASE_OFFSET(off) ((off) & 0xFF00000000000000ULL)
-/** Extract the local offset from an offset */
-#define NETIO_LOCAL_OFFSET(off) ((off) & 0x00FFFFFFFFFFFFFFULL)
-
-
-/**
- * Get/set offset.
- */
-typedef union
-{
- struct
- {
- uint64_t addr:48; /**< Class-specific address */
- unsigned int class:8; /**< Class (e.g., NETIO_PARAM) */
- unsigned int opcode:8; /**< High 8 bits of NETIO_IPP_PARAM_OFF */
- }
- bits; /**< Bitfields */
- uint64_t word; /**< Aggregated value to use as the offset */
-}
-__netio_getset_offset_t;
-
-/**
- * Fast I/O index offsets (must be contiguous).
- */
-typedef enum
-{
- NETIO_FASTIO_ALLOCATE = 0, /**< Get empty packet buffer */
- NETIO_FASTIO_FREE_BUFFER = 1, /**< Give buffer back to IPP */
- NETIO_FASTIO_RETURN_CREDITS = 2, /**< Give credits to IPP */
- NETIO_FASTIO_SEND_PKT_NOCK = 3, /**< Send a packet, no checksum */
- NETIO_FASTIO_SEND_PKT_CK = 4, /**< Send a packet, with checksum */
- NETIO_FASTIO_SEND_PKT_VEC = 5, /**< Send a vector of packets */
- NETIO_FASTIO_SENDV_PKT = 6, /**< Sendv one packet */
- NETIO_FASTIO_NUM_INDEX = 7, /**< Total number of fast I/O indices */
-} netio_fastio_index_t;
-
-/** 3-word return type for Fast I/O call. */
-typedef struct
-{
- int err; /**< Error code. */
- uint32_t val0; /**< Value. Meaning depends upon the specific call. */
- uint32_t val1; /**< Value. Meaning depends upon the specific call. */
-} netio_fastio_rv3_t;
-
-/** 0-argument fast I/O call */
-int __netio_fastio0(uint32_t fastio_index);
-/** 1-argument fast I/O call */
-int __netio_fastio1(uint32_t fastio_index, uint32_t arg0);
-/** 3-argument fast I/O call, 2-word return value */
-netio_fastio_rv3_t __netio_fastio3_rv3(uint32_t fastio_index, uint32_t arg0,
- uint32_t arg1, uint32_t arg2);
-/** 4-argument fast I/O call */
-int __netio_fastio4(uint32_t fastio_index, uint32_t arg0, uint32_t arg1,
- uint32_t arg2, uint32_t arg3);
-/** 6-argument fast I/O call */
-int __netio_fastio6(uint32_t fastio_index, uint32_t arg0, uint32_t arg1,
- uint32_t arg2, uint32_t arg3, uint32_t arg4, uint32_t arg5);
-/** 9-argument fast I/O call */
-int __netio_fastio9(uint32_t fastio_index, uint32_t arg0, uint32_t arg1,
- uint32_t arg2, uint32_t arg3, uint32_t arg4, uint32_t arg5,
- uint32_t arg6, uint32_t arg7, uint32_t arg8);
-
-/** Allocate an empty packet.
- * @param fastio_index Fast I/O index.
- * @param size Size of the packet to allocate.
- */
-#define __netio_fastio_allocate(fastio_index, size) \
- __netio_fastio1((fastio_index) + NETIO_FASTIO_ALLOCATE, size)
-
-/** Free a buffer.
- * @param fastio_index Fast I/O index.
- * @param handle Handle for the packet to free.
- */
-#define __netio_fastio_free_buffer(fastio_index, handle) \
- __netio_fastio1((fastio_index) + NETIO_FASTIO_FREE_BUFFER, handle)
-
-/** Increment our receive credits.
- * @param fastio_index Fast I/O index.
- * @param credits Number of credits to add.
- */
-#define __netio_fastio_return_credits(fastio_index, credits) \
- __netio_fastio1((fastio_index) + NETIO_FASTIO_RETURN_CREDITS, credits)
-
-/** Send packet, no checksum.
- * @param fastio_index Fast I/O index.
- * @param ackflag Nonzero if we want an ack.
- * @param size Size of the packet.
- * @param va Virtual address of start of packet.
- * @param handle Packet handle.
- */
-#define __netio_fastio_send_pkt_nock(fastio_index, ackflag, size, va, handle) \
- __netio_fastio4((fastio_index) + NETIO_FASTIO_SEND_PKT_NOCK, ackflag, \
- size, va, handle)
-
-/** Send packet, calculate checksum.
- * @param fastio_index Fast I/O index.
- * @param ackflag Nonzero if we want an ack.
- * @param size Size of the packet.
- * @param va Virtual address of start of packet.
- * @param handle Packet handle.
- * @param csum0 Shim checksum header.
- * @param csum1 Checksum seed.
- */
-#define __netio_fastio_send_pkt_ck(fastio_index, ackflag, size, va, handle, \
- csum0, csum1) \
- __netio_fastio6((fastio_index) + NETIO_FASTIO_SEND_PKT_CK, ackflag, \
- size, va, handle, csum0, csum1)
-
-
-/** Format for the "csum0" argument to the __netio_fastio_send routines
- * and LEPP. Note that this is currently exactly identical to the
- * ShimProtocolOffloadHeader.
- */
-typedef union
-{
- struct
- {
- unsigned int start_byte:7; /**< The first byte to be checksummed */
- unsigned int count:14; /**< Number of bytes to be checksummed. */
- unsigned int destination_byte:7; /**< The byte to write the checksum to. */
- unsigned int reserved:4; /**< Reserved. */
- } bits; /**< Decomposed method of access. */
- unsigned int word; /**< To send out the IDN. */
-} __netio_checksum_header_t;
-
-
-/** Sendv packet with 1 or 2 segments.
- * @param fastio_index Fast I/O index.
- * @param flags Ack/csum/notify flags in low 3 bits; number of segments minus
- * 1 in next 2 bits; expected checksum in high 16 bits.
- * @param confno Confirmation number to request, if notify flag set.
- * @param csum0 Checksum descriptor; if zero, no checksum.
- * @param va_F Virtual address of first segment.
- * @param va_L Virtual address of last segment, if 2 segments.
- * @param len_F_L Length of first segment in low 16 bits; length of last
- * segment, if 2 segments, in high 16 bits.
- */
-#define __netio_fastio_sendv_pkt_1_2(fastio_index, flags, confno, csum0, \
- va_F, va_L, len_F_L) \
- __netio_fastio6((fastio_index) + NETIO_FASTIO_SENDV_PKT, flags, confno, \
- csum0, va_F, va_L, len_F_L)
-
-/** Send packet on PCIe interface.
- * @param fastio_index Fast I/O index.
- * @param flags Ack/csum/notify flags in low 3 bits.
- * @param confno Confirmation number to request, if notify flag set.
- * @param csum0 Checksum descriptor; Hard wired 0, not needed for PCIe.
- * @param va_F Virtual address of the packet buffer.
- * @param va_L Virtual address of last segment, if 2 segments. Hard wired 0.
- * @param len_F_L Length of the packet buffer in low 16 bits.
- */
-#define __netio_fastio_send_pcie_pkt(fastio_index, flags, confno, csum0, \
- va_F, va_L, len_F_L) \
- __netio_fastio6((fastio_index) + PCIE_FASTIO_SENDV_PKT, flags, confno, \
- csum0, va_F, va_L, len_F_L)
-
-/** Sendv packet with 3 or 4 segments.
- * @param fastio_index Fast I/O index.
- * @param flags Ack/csum/notify flags in low 3 bits; number of segments minus
- * 1 in next 2 bits; expected checksum in high 16 bits.
- * @param confno Confirmation number to request, if notify flag set.
- * @param csum0 Checksum descriptor; if zero, no checksum.
- * @param va_F Virtual address of first segment.
- * @param va_L Virtual address of last segment (third segment if 3 segments,
- * fourth segment if 4 segments).
- * @param len_F_L Length of first segment in low 16 bits; length of last
- * segment in high 16 bits.
- * @param va_M0 Virtual address of "middle 0" segment; this segment is sent
- * second when there are three segments, and third if there are four.
- * @param va_M1 Virtual address of "middle 1" segment; this segment is sent
- * second when there are four segments.
- * @param len_M0_M1 Length of middle 0 segment in low 16 bits; length of middle
- * 1 segment, if 4 segments, in high 16 bits.
- */
-#define __netio_fastio_sendv_pkt_3_4(fastio_index, flags, confno, csum0, va_F, \
- va_L, len_F_L, va_M0, va_M1, len_M0_M1) \
- __netio_fastio9((fastio_index) + NETIO_FASTIO_SENDV_PKT, flags, confno, \
- csum0, va_F, va_L, len_F_L, va_M0, va_M1, len_M0_M1)
-
-/** Send vector of packets.
- * @param fastio_index Fast I/O index.
- * @param seqno Number of packets transmitted so far on this interface;
- * used to decide which packets should be acknowledged.
- * @param nentries Number of entries in vector.
- * @param va Virtual address of start of vector entry array.
- * @return 3-word netio_fastio_rv3_t structure. The structure's err member
- * is an error code, or zero if no error. The val0 member is the
- * updated value of seqno; it has been incremented by 1 for each
- * packet sent. That increment may be less than nentries if an
- * error occured, or if some of the entries in the vector contain
- * handles equal to NETIO_PKT_HANDLE_NONE. The val1 member is the
- * updated value of nentries; it has been decremented by 1 for each
- * vector entry processed. Again, that decrement may be less than
- * nentries (leaving the returned value positive) if an error
- * occurred.
- */
-#define __netio_fastio_send_pkt_vec(fastio_index, seqno, nentries, va) \
- __netio_fastio3_rv3((fastio_index) + NETIO_FASTIO_SEND_PKT_VEC, seqno, \
- nentries, va)
-
-
-/** An egress DMA command for LEPP. */
-typedef struct
-{
- /** Is this a TSO transfer?
- *
- * NOTE: This field is always 0, to distinguish it from
- * lepp_tso_cmd_t. It must come first!
- */
- uint8_t tso : 1;
-
- /** Unused padding bits. */
- uint8_t _unused : 3;
-
- /** Should this packet be sent directly from caches instead of DRAM,
- * using hash-for-home to locate the packet data?
- */
- uint8_t hash_for_home : 1;
-
- /** Should we compute a checksum? */
- uint8_t compute_checksum : 1;
-
- /** Is this the final buffer for this packet?
- *
- * A single packet can be split over several input buffers (a "gather"
- * operation). This flag indicates that this is the last buffer
- * in a packet.
- */
- uint8_t end_of_packet : 1;
-
- /** Should LEPP advance 'comp_busy' when this DMA is fully finished? */
- uint8_t send_completion : 1;
-
- /** High bits of Client Physical Address of the start of the buffer
- * to be egressed.
- *
- * NOTE: Only 6 bits are actually needed here, as CPAs are
- * currently 38 bits. So two bits could be scavenged from this.
- */
- uint8_t cpa_hi;
-
- /** The number of bytes to be egressed. */
- uint16_t length;
-
- /** Low 32 bits of Client Physical Address of the start of the buffer
- * to be egressed.
- */
- uint32_t cpa_lo;
-
- /** Checksum information (only used if 'compute_checksum'). */
- __netio_checksum_header_t checksum_data;
-
-} lepp_cmd_t;
-
-
-/** A chunk of physical memory for a TSO egress. */
-typedef struct
-{
- /** The low bits of the CPA. */
- uint32_t cpa_lo;
- /** The high bits of the CPA. */
- uint16_t cpa_hi : 15;
- /** Should this packet be sent directly from caches instead of DRAM,
- * using hash-for-home to locate the packet data?
- */
- uint16_t hash_for_home : 1;
- /** The length in bytes. */
- uint16_t length;
-} lepp_frag_t;
-
-
-/** An LEPP command that handles TSO. */
-typedef struct
-{
- /** Is this a TSO transfer?
- *
- * NOTE: This field is always 1, to distinguish it from
- * lepp_cmd_t. It must come first!
- */
- uint8_t tso : 1;
-
- /** Unused padding bits. */
- uint8_t _unused : 7;
-
- /** Size of the header[] array in bytes. It must be in the range
- * [40, 127], which are the smallest header for a TCP packet over
- * Ethernet and the maximum possible prepend size supported by
- * hardware, respectively. Note that the array storage must be
- * padded out to a multiple of four bytes so that the following
- * LEPP command is aligned properly.
- */
- uint8_t header_size;
-
- /** Byte offset of the IP header in header[]. */
- uint8_t ip_offset;
-
- /** Byte offset of the TCP header in header[]. */
- uint8_t tcp_offset;
-
- /** The number of bytes to use for the payload of each packet,
- * except of course the last one, which may not have enough bytes.
- * This means that each Ethernet packet except the last will have a
- * size of header_size + payload_size.
- */
- uint16_t payload_size;
-
- /** The length of the 'frags' array that follows this struct. */
- uint16_t num_frags;
-
- /** The actual frags. */
- lepp_frag_t frags[0 /* Variable-sized; num_frags entries. */];
-
- /*
- * The packet header template logically follows frags[],
- * but you can't declare that in C.
- *
- * uint32_t header[header_size_in_words_rounded_up];
- */
-
-} lepp_tso_cmd_t;
-
-
-/** An LEPP completion ring entry. */
-typedef void* lepp_comp_t;
-
-
-/** Maximum number of frags for one TSO command. This is adapted from
- * linux's "MAX_SKB_FRAGS", and presumably over-estimates by one, for
- * our page size of exactly 65536. We add one for a "body" fragment.
- */
-#define LEPP_MAX_FRAGS (65536 / HV_PAGE_SIZE_SMALL + 2 + 1)
-
-/** Total number of bytes needed for an lepp_tso_cmd_t. */
-#define LEPP_TSO_CMD_SIZE(num_frags, header_size) \
- (sizeof(lepp_tso_cmd_t) + \
- (num_frags) * sizeof(lepp_frag_t) + \
- (((header_size) + 3) & -4))
-
-/** The size of the lepp "cmd" queue. */
-#define LEPP_CMD_QUEUE_BYTES \
- (((CHIP_L2_CACHE_SIZE() - 2 * CHIP_L2_LINE_SIZE()) / \
- (sizeof(lepp_cmd_t) + sizeof(lepp_comp_t))) * sizeof(lepp_cmd_t))
-
-/** The largest possible command that can go in lepp_queue_t::cmds[]. */
-#define LEPP_MAX_CMD_SIZE LEPP_TSO_CMD_SIZE(LEPP_MAX_FRAGS, 128)
-
-/** The largest possible value of lepp_queue_t::cmd_{head, tail} (inclusive).
- */
-#define LEPP_CMD_LIMIT \
- (LEPP_CMD_QUEUE_BYTES - LEPP_MAX_CMD_SIZE)
-
-/** The maximum number of completions in an LEPP queue. */
-#define LEPP_COMP_QUEUE_SIZE \
- ((LEPP_CMD_LIMIT + sizeof(lepp_cmd_t) - 1) / sizeof(lepp_cmd_t))
-
-/** Increment an index modulo the queue size. */
-#define LEPP_QINC(var) \
- (var = __insn_mnz(var - (LEPP_COMP_QUEUE_SIZE - 1), var + 1))
-
-/** A queue used to convey egress commands from the client to LEPP. */
-typedef struct
-{
- /** Index of first completion not yet processed by user code.
- * If this is equal to comp_busy, there are no such completions.
- *
- * NOTE: This is only read/written by the user.
- */
- unsigned int comp_head;
-
- /** Index of first completion record not yet completed.
- * If this is equal to comp_tail, there are no such completions.
- * This index gets advanced (modulo LEPP_QUEUE_SIZE) whenever
- * a command with the 'completion' bit set is finished.
- *
- * NOTE: This is only written by LEPP, only read by the user.
- */
- volatile unsigned int comp_busy;
-
- /** Index of the first empty slot in the completion ring.
- * Entries from this up to but not including comp_head (in ring order)
- * can be filled in with completion data.
- *
- * NOTE: This is only read/written by the user.
- */
- unsigned int comp_tail;
-
- /** Byte index of first command enqueued for LEPP but not yet processed.
- *
- * This is always divisible by sizeof(void*) and always <= LEPP_CMD_LIMIT.
- *
- * NOTE: LEPP advances this counter as soon as it no longer needs
- * the cmds[] storage for this entry, but the transfer is not actually
- * complete (i.e. the buffer pointed to by the command is no longer
- * needed) until comp_busy advances.
- *
- * If this is equal to cmd_tail, the ring is empty.
- *
- * NOTE: This is only written by LEPP, only read by the user.
- */
- volatile unsigned int cmd_head;
-
- /** Byte index of first empty slot in the command ring. This field can
- * be incremented up to but not equal to cmd_head (because that would
- * mean the ring is empty).
- *
- * This is always divisible by sizeof(void*) and always <= LEPP_CMD_LIMIT.
- *
- * NOTE: This is read/written by the user, only read by LEPP.
- */
- volatile unsigned int cmd_tail;
-
- /** A ring of variable-sized egress DMA commands.
- *
- * NOTE: Only written by the user, only read by LEPP.
- */
- char cmds[LEPP_CMD_QUEUE_BYTES]
- __attribute__((aligned(CHIP_L2_LINE_SIZE())));
-
- /** A ring of user completion data.
- * NOTE: Only read/written by the user.
- */
- lepp_comp_t comps[LEPP_COMP_QUEUE_SIZE]
- __attribute__((aligned(CHIP_L2_LINE_SIZE())));
-} lepp_queue_t;
-
-
-/** An internal helper function for determining the number of entries
- * available in a ring buffer, given that there is one sentinel.
- */
-static inline unsigned int
-_lepp_num_free_slots(unsigned int head, unsigned int tail)
-{
- /*
- * One entry is reserved for use as a sentinel, to distinguish
- * "empty" from "full". So we compute
- * (head - tail - 1) % LEPP_QUEUE_SIZE, but without using a slow % operation.
- */
- return (head - tail - 1) + ((head <= tail) ? LEPP_COMP_QUEUE_SIZE : 0);
-}
-
-
-/** Returns how many new comp entries can be enqueued. */
-static inline unsigned int
-lepp_num_free_comp_slots(const lepp_queue_t* q)
-{
- return _lepp_num_free_slots(q->comp_head, q->comp_tail);
-}
-
-static inline int
-lepp_qsub(int v1, int v2)
-{
- int delta = v1 - v2;
- return delta + ((delta >> 31) & LEPP_COMP_QUEUE_SIZE);
-}
-
-
-/** FIXME: Check this from linux, via a new "pwrite()" call. */
-#define LIPP_VERSION 1
-
-
-/** We use exactly two bytes of alignment padding. */
-#define LIPP_PACKET_PADDING 2
-
-/** The minimum size of a "small" buffer (including the padding). */
-#define LIPP_SMALL_PACKET_SIZE 128
-
-/*
- * NOTE: The following two values should total to less than around
- * 13582, to keep the total size used for "lipp_state_t" below 64K.
- */
-
-/** The maximum number of "small" buffers.
- * This is enough for 53 network cpus with 128 credits. Note that
- * if these are exhausted, we will fall back to using large buffers.
- */
-#define LIPP_SMALL_BUFFERS 6785
-
-/** The maximum number of "large" buffers.
- * This is enough for 53 network cpus with 128 credits.
- */
-#define LIPP_LARGE_BUFFERS 6785
-
-#endif /* __DRV_XGBE_INTF_H__ */
diff --git a/trunk/arch/tile/include/hv/netio_errors.h b/trunk/arch/tile/include/hv/netio_errors.h
deleted file mode 100644
index e1591bff61b5..000000000000
--- a/trunk/arch/tile/include/hv/netio_errors.h
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * Copyright 2010 Tilera Corporation. All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, version 2.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
- * NON INFRINGEMENT. See the GNU General Public License for
- * more details.
- */
-
-/**
- * Error codes returned from NetIO routines.
- */
-
-#ifndef __NETIO_ERRORS_H__
-#define __NETIO_ERRORS_H__
-
-/**
- * @addtogroup error
- *
- * @brief The error codes returned by NetIO functions.
- *
- * NetIO functions return 0 (defined as ::NETIO_NO_ERROR) on success, and
- * a negative value if an error occurs.
- *
- * In cases where a NetIO function failed due to a error reported by
- * system libraries, the error code will be the negation of the
- * system errno at the time of failure. The @ref netio_strerror()
- * function will deliver error strings for both NetIO and system error
- * codes.
- *
- * @{
- */
-
-/** The set of all NetIO errors. */
-typedef enum
-{
- /** Operation successfully completed. */
- NETIO_NO_ERROR = 0,
-
- /** A packet was successfully retrieved from an input queue. */
- NETIO_PKT = 0,
-
- /** Largest NetIO error number. */
- NETIO_ERR_MAX = -701,
-
- /** The tile is not registered with the IPP. */
- NETIO_NOT_REGISTERED = -701,
-
- /** No packet was available to retrieve from the input queue. */
- NETIO_NOPKT = -702,
-
- /** The requested function is not implemented. */
- NETIO_NOT_IMPLEMENTED = -703,
-
- /** On a registration operation, the target queue already has the maximum
- * number of tiles registered for it, and no more may be added. On a
- * packet send operation, the output queue is full and nothing more can
- * be queued until some of the queued packets are actually transmitted. */
- NETIO_QUEUE_FULL = -704,
-
- /** The calling process or thread is not bound to exactly one CPU. */
- NETIO_BAD_AFFINITY = -705,
-
- /** Cannot allocate memory on requested controllers. */
- NETIO_CANNOT_HOME = -706,
-
- /** On a registration operation, the IPP specified is not configured
- * to support the options requested; for instance, the application
- * wants a specific type of tagged headers which the configured IPP
- * doesn't support. Or, the supplied configuration information is
- * not self-consistent, or is out of range; for instance, specifying
- * both NETIO_RECV and NETIO_NO_RECV, or asking for more than
- * NETIO_MAX_SEND_BUFFERS to be preallocated. On a VLAN or bucket
- * configure operation, the number of items, or the base item, was
- * out of range.
- */
- NETIO_BAD_CONFIG = -707,
-
- /** Too many tiles have registered to transmit packets. */
- NETIO_TOOMANY_XMIT = -708,
-
- /** Packet transmission was attempted on a queue which was registered
- with transmit disabled. */
- NETIO_UNREG_XMIT = -709,
-
- /** This tile is already registered with the IPP. */
- NETIO_ALREADY_REGISTERED = -710,
-
- /** The Ethernet link is down. The application should try again later. */
- NETIO_LINK_DOWN = -711,
-
- /** An invalid memory buffer has been specified. This may be an unmapped
- * virtual address, or one which does not meet alignment requirements.
- * For netio_input_register(), this error may be returned when multiple
- * processes specify different memory regions to be used for NetIO
- * buffers. That can happen if these processes specify explicit memory
- * regions with the ::NETIO_FIXED_BUFFER_VA flag, or if tmc_cmem_init()
- * has not been called by a common ancestor of the processes.
- */
- NETIO_FAULT = -712,
-
- /** Cannot combine user-managed shared memory and cache coherence. */
- NETIO_BAD_CACHE_CONFIG = -713,
-
- /** Smallest NetIO error number. */
- NETIO_ERR_MIN = -713,
-
-#ifndef __DOXYGEN__
- /** Used internally to mean that no response is needed; never returned to
- * an application. */
- NETIO_NO_RESPONSE = 1
-#endif
-} netio_error_t;
-
-/** @} */
-
-#endif /* __NETIO_ERRORS_H__ */
diff --git a/trunk/arch/tile/include/hv/netio_intf.h b/trunk/arch/tile/include/hv/netio_intf.h
deleted file mode 100644
index 8d20972aba2c..000000000000
--- a/trunk/arch/tile/include/hv/netio_intf.h
+++ /dev/null
@@ -1,2975 +0,0 @@
-/*
- * Copyright 2010 Tilera Corporation. All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, version 2.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
- * NON INFRINGEMENT. See the GNU General Public License for
- * more details.
- */
-
-/**
- * NetIO interface structures and macros.
- */
-
-#ifndef __NETIO_INTF_H__
-#define __NETIO_INTF_H__
-
-#include
-
-#ifdef __KERNEL__
-#include
-#else
-#include
-#endif
-
-#if !defined(__HV__) && !defined(__BOGUX__) && !defined(__KERNEL__)
-#include
-#define netio_assert assert /**< Enable assertions from macros */
-#else
-#define netio_assert(...) ((void)(0)) /**< Disable assertions from macros */
-#endif
-
-/*
- * If none of these symbols are defined, we're building libnetio in an
- * environment where we have pthreads, so we'll enable locking.
- */
-#if !defined(__HV__) && !defined(__BOGUX__) && !defined(__KERNEL__) && \
- !defined(__NEWLIB__)
-#define _NETIO_PTHREAD /**< Include a mutex in netio_queue_t below */
-
-/*
- * If NETIO_UNLOCKED is defined, we don't do use per-cpu locks on
- * per-packet NetIO operations. We still do pthread locking on things
- * like netio_input_register, though. This is used for building
- * libnetio_unlocked.
- */
-#ifndef NETIO_UNLOCKED
-
-/* Avoid PLT overhead by using our own inlined per-cpu lock. */
-#include
-typedef int _netio_percpu_mutex_t;
-
-static __inline int
-_netio_percpu_mutex_init(_netio_percpu_mutex_t* lock)
-{
- *lock = 0;
- return 0;
-}
-
-static __inline int
-_netio_percpu_mutex_lock(_netio_percpu_mutex_t* lock)
-{
- while (__builtin_expect(__insn_tns(lock), 0))
- sched_yield();
- return 0;
-}
-
-static __inline int
-_netio_percpu_mutex_unlock(_netio_percpu_mutex_t* lock)
-{
- *lock = 0;
- return 0;
-}
-
-#else /* NETIO_UNLOCKED */
-
-/* Don't do any locking for per-packet NetIO operations. */
-typedef int _netio_percpu_mutex_t;
-#define _netio_percpu_mutex_init(L)
-#define _netio_percpu_mutex_lock(L)
-#define _netio_percpu_mutex_unlock(L)
-
-#endif /* NETIO_UNLOCKED */
-#endif /* !__HV__, !__BOGUX, !__KERNEL__, !__NEWLIB__ */
-
-/** How many tiles can register for a given queue.
- * @ingroup setup */
-#define NETIO_MAX_TILES_PER_QUEUE 64
-
-
-/** Largest permissible queue identifier.
- * @ingroup setup */
-#define NETIO_MAX_QUEUE_ID 255
-
-
-#ifndef __DOXYGEN__
-
-/* Metadata packet checksum/ethertype flags. */
-
-/** The L4 checksum has not been calculated. */
-#define _NETIO_PKT_NO_L4_CSUM_SHIFT 0
-#define _NETIO_PKT_NO_L4_CSUM_RMASK 1
-#define _NETIO_PKT_NO_L4_CSUM_MASK \
- (_NETIO_PKT_NO_L4_CSUM_RMASK << _NETIO_PKT_NO_L4_CSUM_SHIFT)
-
-/** The L3 checksum has not been calculated. */
-#define _NETIO_PKT_NO_L3_CSUM_SHIFT 1
-#define _NETIO_PKT_NO_L3_CSUM_RMASK 1
-#define _NETIO_PKT_NO_L3_CSUM_MASK \
- (_NETIO_PKT_NO_L3_CSUM_RMASK << _NETIO_PKT_NO_L3_CSUM_SHIFT)
-
-/** The L3 checksum is incorrect (or perhaps has not been calculated). */
-#define _NETIO_PKT_BAD_L3_CSUM_SHIFT 2
-#define _NETIO_PKT_BAD_L3_CSUM_RMASK 1
-#define _NETIO_PKT_BAD_L3_CSUM_MASK \
- (_NETIO_PKT_BAD_L3_CSUM_RMASK << _NETIO_PKT_BAD_L3_CSUM_SHIFT)
-
-/** The Ethernet packet type is unrecognized. */
-#define _NETIO_PKT_TYPE_UNRECOGNIZED_SHIFT 3
-#define _NETIO_PKT_TYPE_UNRECOGNIZED_RMASK 1
-#define _NETIO_PKT_TYPE_UNRECOGNIZED_MASK \
- (_NETIO_PKT_TYPE_UNRECOGNIZED_RMASK << \
- _NETIO_PKT_TYPE_UNRECOGNIZED_SHIFT)
-
-/* Metadata packet type flags. */
-
-/** Where the packet type bits are; this field is the index into
- * _netio_pkt_info. */
-#define _NETIO_PKT_TYPE_SHIFT 4
-#define _NETIO_PKT_TYPE_RMASK 0x3F
-
-/** How many VLAN tags the packet has, and, if we have two, which one we
- * actually grouped on. A VLAN within a proprietary (Marvell or Broadcom)
- * tag is counted here. */
-#define _NETIO_PKT_VLAN_SHIFT 4
-#define _NETIO_PKT_VLAN_RMASK 0x3
-#define _NETIO_PKT_VLAN_MASK \
- (_NETIO_PKT_VLAN_RMASK << _NETIO_PKT_VLAN_SHIFT)
-#define _NETIO_PKT_VLAN_NONE 0 /* No VLAN tag. */
-#define _NETIO_PKT_VLAN_ONE 1 /* One VLAN tag. */
-#define _NETIO_PKT_VLAN_TWO_OUTER 2 /* Two VLAN tags, outer one used. */
-#define _NETIO_PKT_VLAN_TWO_INNER 3 /* Two VLAN tags, inner one used. */
-
-/** Which proprietary tags the packet has. */
-#define _NETIO_PKT_TAG_SHIFT 6
-#define _NETIO_PKT_TAG_RMASK 0x3
-#define _NETIO_PKT_TAG_MASK \
- (_NETIO_PKT_TAG_RMASK << _NETIO_PKT_TAG_SHIFT)
-#define _NETIO_PKT_TAG_NONE 0 /* No proprietary tags. */
-#define _NETIO_PKT_TAG_MRVL 1 /* Marvell HyperG.Stack tags. */
-#define _NETIO_PKT_TAG_MRVL_EXT 2 /* HyperG.Stack extended tags. */
-#define _NETIO_PKT_TAG_BRCM 3 /* Broadcom HiGig tags. */
-
-/** Whether a packet has an LLC + SNAP header. */
-#define _NETIO_PKT_SNAP_SHIFT 8
-#define _NETIO_PKT_SNAP_RMASK 0x1
-#define _NETIO_PKT_SNAP_MASK \
- (_NETIO_PKT_SNAP_RMASK << _NETIO_PKT_SNAP_SHIFT)
-
-/* NOTE: Bits 9 and 10 are unused. */
-
-/** Length of any custom data before the L2 header, in words. */
-#define _NETIO_PKT_CUSTOM_LEN_SHIFT 11
-#define _NETIO_PKT_CUSTOM_LEN_RMASK 0x1F
-#define _NETIO_PKT_CUSTOM_LEN_MASK \
- (_NETIO_PKT_CUSTOM_LEN_RMASK << _NETIO_PKT_CUSTOM_LEN_SHIFT)
-
-/** The L4 checksum is incorrect (or perhaps has not been calculated). */
-#define _NETIO_PKT_BAD_L4_CSUM_SHIFT 16
-#define _NETIO_PKT_BAD_L4_CSUM_RMASK 0x1
-#define _NETIO_PKT_BAD_L4_CSUM_MASK \
- (_NETIO_PKT_BAD_L4_CSUM_RMASK << _NETIO_PKT_BAD_L4_CSUM_SHIFT)
-
-/** Length of the L2 header, in words. */
-#define _NETIO_PKT_L2_LEN_SHIFT 17
-#define _NETIO_PKT_L2_LEN_RMASK 0x1F
-#define _NETIO_PKT_L2_LEN_MASK \
- (_NETIO_PKT_L2_LEN_RMASK << _NETIO_PKT_L2_LEN_SHIFT)
-
-
-/* Flags in minimal packet metadata. */
-
-/** We need an eDMA checksum on this packet. */
-#define _NETIO_PKT_NEED_EDMA_CSUM_SHIFT 0
-#define _NETIO_PKT_NEED_EDMA_CSUM_RMASK 1
-#define _NETIO_PKT_NEED_EDMA_CSUM_MASK \
- (_NETIO_PKT_NEED_EDMA_CSUM_RMASK << _NETIO_PKT_NEED_EDMA_CSUM_SHIFT)
-
-/* Data within the packet information table. */
-
-/* Note that, for efficiency, code which uses these fields assumes that none
- * of the shift values below are zero. See uses below for an explanation. */
-
-/** Offset within the L2 header of the innermost ethertype (in halfwords). */
-#define _NETIO_PKT_INFO_ETYPE_SHIFT 6
-#define _NETIO_PKT_INFO_ETYPE_RMASK 0x1F
-
-/** Offset within the L2 header of the VLAN tag (in halfwords). */
-#define _NETIO_PKT_INFO_VLAN_SHIFT 11
-#define _NETIO_PKT_INFO_VLAN_RMASK 0x1F
-
-#endif
-
-
-/** The size of a memory buffer representing a small packet.
- * @ingroup egress */
-#define SMALL_PACKET_SIZE 256
-
-/** The size of a memory buffer representing a large packet.
- * @ingroup egress */
-#define LARGE_PACKET_SIZE 2048
-
-/** The size of a memory buffer representing a jumbo packet.
- * @ingroup egress */
-#define JUMBO_PACKET_SIZE (12 * 1024)
-
-
-/* Common ethertypes.
- * @ingroup ingress */
-/** @{ */
-/** The ethertype of IPv4. */
-#define ETHERTYPE_IPv4 (0x0800)
-/** The ethertype of ARP. */
-#define ETHERTYPE_ARP (0x0806)
-/** The ethertype of VLANs. */
-#define ETHERTYPE_VLAN (0x8100)
-/** The ethertype of a Q-in-Q header. */
-#define ETHERTYPE_Q_IN_Q (0x9100)
-/** The ethertype of IPv6. */
-#define ETHERTYPE_IPv6 (0x86DD)
-/** The ethertype of MPLS. */
-#define ETHERTYPE_MPLS (0x8847)
-/** @} */
-
-
-/** The possible return values of NETIO_PKT_STATUS.
- * @ingroup ingress
- */
-typedef enum
-{
- /** No problems were detected with this packet. */
- NETIO_PKT_STATUS_OK,
- /** The packet is undersized; this is expected behavior if the packet's
- * ethertype is unrecognized, but otherwise the packet is likely corrupt. */
- NETIO_PKT_STATUS_UNDERSIZE,
- /** The packet is oversized and some trailing bytes have been discarded.
- This is expected behavior for short packets, since it's impossible to
- precisely determine the amount of padding which may have been added to
- them to make them meet the minimum Ethernet packet size. */
- NETIO_PKT_STATUS_OVERSIZE,
- /** The packet was judged to be corrupt by hardware (for instance, it had
- a bad CRC, or part of it was discarded due to lack of buffer space in
- the I/O shim) and should be discarded. */
- NETIO_PKT_STATUS_BAD
-} netio_pkt_status_t;
-
-
-/** Log2 of how many buckets we have. */
-#define NETIO_LOG2_NUM_BUCKETS (10)
-
-/** How many buckets we have.
- * @ingroup ingress */
-#define NETIO_NUM_BUCKETS (1 << NETIO_LOG2_NUM_BUCKETS)
-
-
-/**
- * @brief A group-to-bucket identifier.
- *
- * @ingroup setup
- *
- * This tells us what to do with a given group.
- */
-typedef union {
- /** The header broken down into bits. */
- struct {
- /** Whether we should balance on L4, if available */
- unsigned int __balance_on_l4:1;
- /** Whether we should balance on L3, if available */
- unsigned int __balance_on_l3:1;
- /** Whether we should balance on L2, if available */
- unsigned int __balance_on_l2:1;
- /** Reserved for future use */
- unsigned int __reserved:1;
- /** The base bucket to use to send traffic */
- unsigned int __bucket_base:NETIO_LOG2_NUM_BUCKETS;
- /** The mask to apply to the balancing value. This must be one less
- * than a power of two, e.g. 0x3 or 0xFF.
- */
- unsigned int __bucket_mask:NETIO_LOG2_NUM_BUCKETS;
- /** Pad to 32 bits */
- unsigned int __padding:(32 - 4 - 2 * NETIO_LOG2_NUM_BUCKETS);
- } bits;
- /** To send out the IDN. */
- unsigned int word;
-}
-netio_group_t;
-
-
-/**
- * @brief A VLAN-to-bucket identifier.
- *
- * @ingroup setup
- *
- * This tells us what to do with a given VLAN.
- */
-typedef netio_group_t netio_vlan_t;
-
-
-/**
- * A bucket-to-queue mapping.
- * @ingroup setup
- */
-typedef unsigned char netio_bucket_t;
-
-
-/**
- * A packet size can always fit in a netio_size_t.
- * @ingroup setup
- */
-typedef unsigned int netio_size_t;
-
-
-/**
- * @brief Ethernet standard (ingress) packet metadata.
- *
- * @ingroup ingress
- *
- * This is additional data associated with each packet.
- * This structure is opaque and accessed through the @ref ingress.
- *
- * Also, the buffer population operation currently assumes that standard
- * metadata is at least as large as minimal metadata, and will need to be
- * modified if that is no longer the case.
- */
-typedef struct
-{
-#ifdef __DOXYGEN__
- /** This structure is opaque. */
- unsigned char opaque[24];
-#else
- /** The overall ordinal of the packet */
- unsigned int __packet_ordinal;
- /** The ordinal of the packet within the group */
- unsigned int __group_ordinal;
- /** The best flow hash IPP could compute. */
- unsigned int __flow_hash;
- /** Flags pertaining to checksum calculation, packet type, etc. */
- unsigned int __flags;
- /** The first word of "user data". */
- unsigned int __user_data_0;
- /** The second word of "user data". */
- unsigned int __user_data_1;
-#endif
-}
-netio_pkt_metadata_t;
-
-
-/** To ensure that the L3 header is aligned mod 4, the L2 header should be
- * aligned mod 4 plus 2, since every supported L2 header is 4n + 2 bytes
- * long. The standard way to do this is to simply add 2 bytes of padding
- * before the L2 header.
- */
-#define NETIO_PACKET_PADDING 2
-
-
-
-/**
- * @brief Ethernet minimal (egress) packet metadata.
- *
- * @ingroup egress
- *
- * This structure represents information about packets which have
- * been processed by @ref netio_populate_buffer() or
- * @ref netio_populate_prepend_buffer(). This structure is opaque
- * and accessed through the @ref egress.
- *
- * @internal This structure is actually copied into the memory used by
- * standard metadata, which is assumed to be large enough.
- */
-typedef struct
-{
-#ifdef __DOXYGEN__
- /** This structure is opaque. */
- unsigned char opaque[14];
-#else
- /** The offset of the L2 header from the start of the packet data. */
- unsigned short l2_offset;
- /** The offset of the L3 header from the start of the packet data. */
- unsigned short l3_offset;
- /** Where to write the checksum. */
- unsigned char csum_location;
- /** Where to start checksumming from. */
- unsigned char csum_start;
- /** Flags pertaining to checksum calculation etc. */
- unsigned short flags;
- /** The L2 length of the packet. */
- unsigned short l2_length;
- /** The checksum with which to seed the checksum generator. */
- unsigned short csum_seed;
- /** How much to checksum. */
- unsigned short csum_length;
-#endif
-}
-netio_pkt_minimal_metadata_t;
-
-
-#ifndef __DOXYGEN__
-
-/**
- * @brief An I/O notification header.
- *
- * This is the first word of data received from an I/O shim in a notification
- * packet. It contains framing and status information.
- */
-typedef union
-{
- unsigned int word; /**< The whole word. */
- /** The various fields. */
- struct
- {
- unsigned int __channel:7; /**< Resource channel. */
- unsigned int __type:4; /**< Type. */
- unsigned int __ack:1; /**< Whether an acknowledgement is needed. */
- unsigned int __reserved:1; /**< Reserved. */
- unsigned int __protocol:1; /**< A protocol-specific word is added. */
- unsigned int __status:2; /**< Status of the transfer. */
- unsigned int __framing:2; /**< Framing of the transfer. */
- unsigned int __transfer_size:14; /**< Transfer size in bytes (total). */
- } bits;
-}
-__netio_pkt_notif_t;
-
-
-/**
- * Returns the base address of the packet.
- */
-#define _NETIO_PKT_HANDLE_BASE(p) \
- ((unsigned char*)((p).word & 0xFFFFFFC0))
-
-/**
- * Returns the base address of the packet.
- */
-#define _NETIO_PKT_BASE(p) \
- _NETIO_PKT_HANDLE_BASE(p->__packet)
-
-/**
- * @brief An I/O notification packet (second word)
- *
- * This is the second word of data received from an I/O shim in a notification
- * packet. This is the virtual address of the packet buffer, plus some flag
- * bits. (The virtual address of the packet is always 256-byte aligned so we
- * have room for 8 bits' worth of flags in the low 8 bits.)
- *
- * @internal
- * NOTE: The low two bits must contain "__queue", so the "packet size"
- * (SIZE_SMALL, SIZE_LARGE, or SIZE_JUMBO) can be determined quickly.
- *
- * If __addr or __offset are moved, _NETIO_PKT_BASE
- * (defined right below this) must be changed.
- */
-typedef union
-{
- unsigned int word; /**< The whole word. */
- /** The various fields. */
- struct
- {
- /** Which queue the packet will be returned to once it is sent back to
- the IPP. This is one of the SIZE_xxx values. */
- unsigned int __queue:2;
-
- /** The IPP handle of the sending IPP. */
- unsigned int __ipp_handle:2;
-
- /** Reserved for future use. */
- unsigned int __reserved:1;
-
- /** If 1, this packet has minimal (egress) metadata; otherwise, it
- has standard (ingress) metadata. */
- unsigned int __minimal:1;
-
- /** Offset of the metadata within the packet. This value is multiplied
- * by 64 and added to the base packet address to get the metadata
- * address. Note that this field is aligned within the word such that
- * you can easily extract the metadata address with a 26-bit mask. */
- unsigned int __offset:2;
-
- /** The top 24 bits of the packet's virtual address. */
- unsigned int __addr:24;
- } bits;
-}
-__netio_pkt_handle_t;
-
-#endif /* !__DOXYGEN__ */
-
-
-/**
- * @brief A handle for an I/O packet's storage.
- * @ingroup ingress
- *
- * netio_pkt_handle_t encodes the concept of a ::netio_pkt_t with its
- * packet metadata removed. It is a much smaller type that exists to
- * facilitate applications where the full ::netio_pkt_t type is too
- * large, such as those that cache enormous numbers of packets or wish
- * to transmit packet descriptors over the UDN.
- *
- * Because there is no metadata, most ::netio_pkt_t operations cannot be
- * performed on a netio_pkt_handle_t. It supports only
- * netio_free_handle() (to free the buffer) and
- * NETIO_PKT_CUSTOM_DATA_H() (to access a pointer to its contents).
- * The application must acquire any additional metadata it wants from the
- * original ::netio_pkt_t and record it separately.
- *
- * A netio_pkt_handle_t can be extracted from a ::netio_pkt_t by calling
- * NETIO_PKT_HANDLE(). An invalid handle (analogous to NULL) can be
- * created by assigning the value ::NETIO_PKT_HANDLE_NONE. A handle can
- * be tested for validity with NETIO_PKT_HANDLE_IS_VALID().
- */
-typedef struct
-{
- unsigned int word; /**< Opaque bits. */
-} netio_pkt_handle_t;
-
-/**
- * @brief A packet descriptor.
- *
- * @ingroup ingress
- * @ingroup egress
- *
- * This data structure represents a packet. The structure is manipulated
- * through the @ref ingress and the @ref egress.
- *
- * While the contents of a netio_pkt_t are opaque, the structure itself is
- * portable. This means that it may be shared between all tiles which have
- * done a netio_input_register() call for the interface on which the pkt_t
- * was initially received (via netio_get_packet()) or retrieved (via
- * netio_get_buffer()). The contents of a netio_pkt_t can be transmitted to
- * another tile via shared memory, or via a UDN message, or by other means.
- * The destination tile may then use the pkt_t as if it had originally been
- * received locally; it may read or write the packet's data, read its
- * metadata, free the packet, send the packet, transfer the netio_pkt_t to
- * yet another tile, and so forth.
- *
- * Once a netio_pkt_t has been transferred to a second tile, the first tile
- * should not reference the original copy; in particular, if more than one
- * tile frees or sends the same netio_pkt_t, the IPP's packet free lists will
- * become corrupted. Note also that each tile which reads or modifies
- * packet data must obey the memory coherency rules outlined in @ref input.
- */
-typedef struct
-{
-#ifdef __DOXYGEN__
- /** This structure is opaque. */
- unsigned char opaque[32];
-#else
- /** For an ingress packet (one with standard metadata), this is the
- * notification header we got from the I/O shim. For an egress packet
- * (one with minimal metadata), this word is zero if the packet has not
- * been populated, and nonzero if it has. */
- __netio_pkt_notif_t __notif_header;
-
- /** Virtual address of the packet buffer, plus state flags. */
- __netio_pkt_handle_t __packet;
-
- /** Metadata associated with the packet. */
- netio_pkt_metadata_t __metadata;
-#endif
-}
-netio_pkt_t;
-
-
-#ifndef __DOXYGEN__
-
-#define __NETIO_PKT_NOTIF_HEADER(pkt) ((pkt)->__notif_header)
-#define __NETIO_PKT_IPP_HANDLE(pkt) ((pkt)->__packet.bits.__ipp_handle)
-#define __NETIO_PKT_QUEUE(pkt) ((pkt)->__packet.bits.__queue)
-#define __NETIO_PKT_NOTIF_HEADER_M(mda, pkt) ((pkt)->__notif_header)
-#define __NETIO_PKT_IPP_HANDLE_M(mda, pkt) ((pkt)->__packet.bits.__ipp_handle)
-#define __NETIO_PKT_MINIMAL(pkt) ((pkt)->__packet.bits.__minimal)
-#define __NETIO_PKT_QUEUE_M(mda, pkt) ((pkt)->__packet.bits.__queue)
-#define __NETIO_PKT_FLAGS_M(mda, pkt) ((mda)->__flags)
-
-/* Packet information table, used by the attribute access functions below. */
-extern const uint16_t _netio_pkt_info[];
-
-#endif /* __DOXYGEN__ */
-
-
-#ifndef __DOXYGEN__
-/* These macros are deprecated and will disappear in a future MDE release. */
-#define NETIO_PKT_GOOD_CHECKSUM(pkt) \
- NETIO_PKT_L4_CSUM_CORRECT(pkt)
-#define NETIO_PKT_GOOD_CHECKSUM_M(mda, pkt) \
- NETIO_PKT_L4_CSUM_CORRECT_M(mda, pkt)
-#endif /* __DOXYGEN__ */
-
-
-/* Packet attribute access functions. */
-
-/** Return a pointer to the metadata for a packet.
- * @ingroup ingress
- *
- * Calling this function once and passing the result to other retrieval
- * functions with a "_M" suffix usually improves performance. This
- * function must be called on an 'ingress' packet (i.e. one retrieved
- * by @ref netio_get_packet(), on which @ref netio_populate_buffer() or
- * @ref netio_populate_prepend_buffer have not been called). Use of this
- * function on an 'egress' packet will cause an assertion failure.
- *
- * @param[in] pkt Packet on which to operate.
- * @return A pointer to the packet's standard metadata.
- */
-static __inline netio_pkt_metadata_t*
-NETIO_PKT_METADATA(netio_pkt_t* pkt)
-{
- netio_assert(!pkt->__packet.bits.__minimal);
- return &pkt->__metadata;
-}
-
-
-/** Return a pointer to the minimal metadata for a packet.
- * @ingroup egress
- *
- * Calling this function once and passing the result to other retrieval
- * functions with a "_MM" suffix usually improves performance. This
- * function must be called on an 'egress' packet (i.e. one on which
- * @ref netio_populate_buffer() or @ref netio_populate_prepend_buffer()
- * have been called, or one retrieved by @ref netio_get_buffer()). Use of
- * this function on an 'ingress' packet will cause an assertion failure.
- *
- * @param[in] pkt Packet on which to operate.
- * @return A pointer to the packet's standard metadata.
- */
-static __inline netio_pkt_minimal_metadata_t*
-NETIO_PKT_MINIMAL_METADATA(netio_pkt_t* pkt)
-{
- netio_assert(pkt->__packet.bits.__minimal);
- return (netio_pkt_minimal_metadata_t*) &pkt->__metadata;
-}
-
-
-/** Determine whether a packet has 'minimal' metadata.
- * @ingroup pktfuncs
- *
- * This function will return nonzero if the packet is an 'egress'
- * packet (i.e. one on which @ref netio_populate_buffer() or
- * @ref netio_populate_prepend_buffer() have been called, or one
- * retrieved by @ref netio_get_buffer()), and zero if the packet
- * is an 'ingress' packet (i.e. one retrieved by @ref netio_get_packet(),
- * which has not been converted into an 'egress' packet).
- *
- * @param[in] pkt Packet on which to operate.
- * @return Nonzero if the packet has minimal metadata.
- */
-static __inline unsigned int
-NETIO_PKT_IS_MINIMAL(netio_pkt_t* pkt)
-{
- return pkt->__packet.bits.__minimal;
-}
-
-
-/** Return a handle for a packet's storage.
- * @ingroup pktfuncs
- *
- * @param[in] pkt Packet on which to operate.
- * @return A handle for the packet's storage.
- */
-static __inline netio_pkt_handle_t
-NETIO_PKT_HANDLE(netio_pkt_t* pkt)
-{
- netio_pkt_handle_t h;
- h.word = pkt->__packet.word;
- return h;
-}
-
-
-/** A special reserved value indicating the absence of a packet handle.
- *
- * @ingroup pktfuncs
- */
-#define NETIO_PKT_HANDLE_NONE ((netio_pkt_handle_t) { 0 })
-
-
-/** Test whether a packet handle is valid.
- *
- * Applications may wish to use the reserved value NETIO_PKT_HANDLE_NONE
- * to indicate no packet at all. This function tests to see if a packet
- * handle is a real handle, not this special reserved value.
- *
- * @ingroup pktfuncs
- *
- * @param[in] handle Handle on which to operate.
- * @return One if the packet handle is valid, else zero.
- */
-static __inline unsigned int
-NETIO_PKT_HANDLE_IS_VALID(netio_pkt_handle_t handle)
-{
- return handle.word != 0;
-}
-
-
-
-/** Return a pointer to the start of the packet's custom header.
- * A custom header may or may not be present, depending upon the IPP; its
- * contents and alignment are also IPP-dependent. Currently, none of the
- * standard IPPs supplied by Tilera produce a custom header. If present,
- * the custom header precedes the L2 header in the packet buffer.
- * @ingroup ingress
- *
- * @param[in] handle Handle on which to operate.
- * @return A pointer to start of the packet.
- */
-static __inline unsigned char*
-NETIO_PKT_CUSTOM_DATA_H(netio_pkt_handle_t handle)
-{
- return _NETIO_PKT_HANDLE_BASE(handle) + NETIO_PACKET_PADDING;
-}
-
-
-/** Return the length of the packet's custom header.
- * A custom header may or may not be present, depending upon the IPP; its
- * contents and alignment are also IPP-dependent. Currently, none of the
- * standard IPPs supplied by Tilera produce a custom header. If present,
- * the custom header precedes the L2 header in the packet buffer.
- *
- * @ingroup ingress
- *
- * @param[in] mda Pointer to packet's standard metadata.
- * @param[in] pkt Packet on which to operate.
- * @return The length of the packet's custom header, in bytes.
- */
-static __inline netio_size_t
-NETIO_PKT_CUSTOM_HEADER_LENGTH_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
- /*
- * Note that we effectively need to extract a quantity from the flags word
- * which is measured in words, and then turn it into bytes by shifting
- * it left by 2. We do this all at once by just shifting right two less
- * bits, and shifting the mask up two bits.
- */
- return ((mda->__flags >> (_NETIO_PKT_CUSTOM_LEN_SHIFT - 2)) &
- (_NETIO_PKT_CUSTOM_LEN_RMASK << 2));
-}
-
-
-/** Return the length of the packet, starting with the custom header.
- * A custom header may or may not be present, depending upon the IPP; its
- * contents and alignment are also IPP-dependent. Currently, none of the
- * standard IPPs supplied by Tilera produce a custom header. If present,
- * the custom header precedes the L2 header in the packet buffer.
- * @ingroup ingress
- *
- * @param[in] mda Pointer to packet's standard metadata.
- * @param[in] pkt Packet on which to operate.
- * @return The length of the packet, in bytes.
- */
-static __inline netio_size_t
-NETIO_PKT_CUSTOM_LENGTH_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
- return (__NETIO_PKT_NOTIF_HEADER(pkt).bits.__transfer_size -
- NETIO_PACKET_PADDING);
-}
-
-
-/** Return a pointer to the start of the packet's custom header.
- * A custom header may or may not be present, depending upon the IPP; its
- * contents and alignment are also IPP-dependent. Currently, none of the
- * standard IPPs supplied by Tilera produce a custom header. If present,
- * the custom header precedes the L2 header in the packet buffer.
- * @ingroup ingress
- *
- * @param[in] mda Pointer to packet's standard metadata.
- * @param[in] pkt Packet on which to operate.
- * @return A pointer to start of the packet.
- */
-static __inline unsigned char*
-NETIO_PKT_CUSTOM_DATA_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
- return NETIO_PKT_CUSTOM_DATA_H(NETIO_PKT_HANDLE(pkt));
-}
-
-
-/** Return the length of the packet's L2 (Ethernet plus VLAN or SNAP) header.
- * @ingroup ingress
- *
- * @param[in] mda Pointer to packet's standard metadata.
- * @param[in] pkt Packet on which to operate.
- * @return The length of the packet's L2 header, in bytes.
- */
-static __inline netio_size_t
-NETIO_PKT_L2_HEADER_LENGTH_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
- /*
- * Note that we effectively need to extract a quantity from the flags word
- * which is measured in words, and then turn it into bytes by shifting
- * it left by 2. We do this all at once by just shifting right two less
- * bits, and shifting the mask up two bits. We then add two bytes.
- */
- return ((mda->__flags >> (_NETIO_PKT_L2_LEN_SHIFT - 2)) &
- (_NETIO_PKT_L2_LEN_RMASK << 2)) + 2;
-}
-
-
-/** Return the length of the packet, starting with the L2 (Ethernet) header.
- * @ingroup ingress
- *
- * @param[in] mda Pointer to packet's standard metadata.
- * @param[in] pkt Packet on which to operate.
- * @return The length of the packet, in bytes.
- */
-static __inline netio_size_t
-NETIO_PKT_L2_LENGTH_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
- return (NETIO_PKT_CUSTOM_LENGTH_M(mda, pkt) -
- NETIO_PKT_CUSTOM_HEADER_LENGTH_M(mda,pkt));
-}
-
-
-/** Return a pointer to the start of the packet's L2 (Ethernet) header.
- * @ingroup ingress
- *
- * @param[in] mda Pointer to packet's standard metadata.
- * @param[in] pkt Packet on which to operate.
- * @return A pointer to start of the packet.
- */
-static __inline unsigned char*
-NETIO_PKT_L2_DATA_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
- return (NETIO_PKT_CUSTOM_DATA_M(mda, pkt) +
- NETIO_PKT_CUSTOM_HEADER_LENGTH_M(mda, pkt));
-}
-
-
-/** Retrieve the length of the packet, starting with the L3 (generally,
- * the IP) header.
- * @ingroup ingress
- *
- * @param[in] mda Pointer to packet's standard metadata.
- * @param[in] pkt Packet on which to operate.
- * @return Length of the packet's L3 header and data, in bytes.
- */
-static __inline netio_size_t
-NETIO_PKT_L3_LENGTH_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
- return (NETIO_PKT_L2_LENGTH_M(mda, pkt) -
- NETIO_PKT_L2_HEADER_LENGTH_M(mda,pkt));
-}
-
-
-/** Return a pointer to the packet's L3 (generally, the IP) header.
- * @ingroup ingress
- *
- * Note that we guarantee word alignment of the L3 header.
- *
- * @param[in] mda Pointer to packet's standard metadata.
- * @param[in] pkt Packet on which to operate.
- * @return A pointer to the packet's L3 header.
- */
-static __inline unsigned char*
-NETIO_PKT_L3_DATA_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
- return (NETIO_PKT_L2_DATA_M(mda, pkt) +
- NETIO_PKT_L2_HEADER_LENGTH_M(mda, pkt));
-}
-
-
-/** Return the ordinal of the packet.
- * @ingroup ingress
- *
- * Each packet is given an ordinal number when it is delivered by the IPP.
- * In the medium term, the ordinal is unique and monotonically increasing,
- * being incremented by 1 for each packet; the ordinal of the first packet
- * delivered after the IPP starts is zero. (Since the ordinal is of finite
- * size, given enough input packets, it will eventually wrap around to zero;
- * in the long term, therefore, ordinals are not unique.) The ordinals
- * handed out by different IPPs are not disjoint, so two packets from
- * different IPPs may have identical ordinals. Packets dropped by the
- * IPP or by the I/O shim are not assigned ordinals.
- *
- * @param[in] mda Pointer to packet's standard metadata.
- * @param[in] pkt Packet on which to operate.
- * @return The packet's per-IPP packet ordinal.
- */
-static __inline unsigned int
-NETIO_PKT_ORDINAL_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
- return mda->__packet_ordinal;
-}
-
-
-/** Return the per-group ordinal of the packet.
- * @ingroup ingress
- *
- * Each packet is given a per-group ordinal number when it is
- * delivered by the IPP. By default, the group is the packet's VLAN,
- * although IPP can be recompiled to use different values. In
- * the medium term, the ordinal is unique and monotonically
- * increasing, being incremented by 1 for each packet; the ordinal of
- * the first packet distributed to a particular group is zero.
- * (Since the ordinal is of finite size, given enough input packets,
- * it will eventually wrap around to zero; in the long term,
- * therefore, ordinals are not unique.) The ordinals handed out by
- * different IPPs are not disjoint, so two packets from different IPPs
- * may have identical ordinals; similarly, packets distributed to
- * different groups may have identical ordinals. Packets dropped by
- * the IPP or by the I/O shim are not assigned ordinals.
- *
- * @param[in] mda Pointer to packet's standard metadata.
- * @param[in] pkt Packet on which to operate.
- * @return The packet's per-IPP, per-group ordinal.
- */
-static __inline unsigned int
-NETIO_PKT_GROUP_ORDINAL_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
- return mda->__group_ordinal;
-}
-
-
-/** Return the VLAN ID assigned to the packet.
- * @ingroup ingress
- *
- * This value is usually contained within the packet header.
- *
- * This value will be zero if the packet does not have a VLAN tag, or if
- * this value was not extracted from the packet.
- *
- * @param[in] mda Pointer to packet's standard metadata.
- * @param[in] pkt Packet on which to operate.
- * @return The packet's VLAN ID.
- */
-static __inline unsigned short
-NETIO_PKT_VLAN_ID_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
- int vl = (mda->__flags >> _NETIO_PKT_VLAN_SHIFT) & _NETIO_PKT_VLAN_RMASK;
- unsigned short* pkt_p;
- int index;
- unsigned short val;
-
- if (vl == _NETIO_PKT_VLAN_NONE)
- return 0;
-
- pkt_p = (unsigned short*) NETIO_PKT_L2_DATA_M(mda, pkt);
- index = (mda->__flags >> _NETIO_PKT_TYPE_SHIFT) & _NETIO_PKT_TYPE_RMASK;
-
- val = pkt_p[(_netio_pkt_info[index] >> _NETIO_PKT_INFO_VLAN_SHIFT) &
- _NETIO_PKT_INFO_VLAN_RMASK];
-
-#ifdef __TILECC__
- return (__insn_bytex(val) >> 16) & 0xFFF;
-#else
- return (__builtin_bswap32(val) >> 16) & 0xFFF;
-#endif
-}
-
-
-/** Return the ethertype of the packet.
- * @ingroup ingress
- *
- * This value is usually contained within the packet header.
- *
- * This value is reliable if @ref NETIO_PKT_ETHERTYPE_RECOGNIZED_M()
- * returns true, and otherwise, may not be well defined.
- *
- * @param[in] mda Pointer to packet's standard metadata.
- * @param[in] pkt Packet on which to operate.
- * @return The packet's ethertype.
- */
-static __inline unsigned short
-NETIO_PKT_ETHERTYPE_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
- unsigned short* pkt_p = (unsigned short*) NETIO_PKT_L2_DATA_M(mda, pkt);
- int index = (mda->__flags >> _NETIO_PKT_TYPE_SHIFT) & _NETIO_PKT_TYPE_RMASK;
-
- unsigned short val =
- pkt_p[(_netio_pkt_info[index] >> _NETIO_PKT_INFO_ETYPE_SHIFT) &
- _NETIO_PKT_INFO_ETYPE_RMASK];
-
- return __builtin_bswap32(val) >> 16;
-}
-
-
-/** Return the flow hash computed on the packet.
- * @ingroup ingress
- *
- * For TCP and UDP packets, this hash is calculated by hashing together
- * the "5-tuple" values, specifically the source IP address, destination
- * IP address, protocol type, source port and destination port.
- * The hash value is intended to be helpful for millions of distinct
- * flows.
- *
- * For IPv4 or IPv6 packets which are neither TCP nor UDP, the flow hash is
- * derived by hashing together the source and destination IP addresses.
- *
- * For MPLS-encapsulated packets, the flow hash is derived by hashing
- * the first MPLS label.
- *
- * For all other packets the flow hash is computed from the source
- * and destination Ethernet addresses.
- *
- * The hash is symmetric, meaning it produces the same value if the
- * source and destination are swapped. The only exceptions are
- * tunneling protocols 0x04 (IP in IP Encapsulation), 0x29 (Simple
- * Internet Protocol), 0x2F (General Routing Encapsulation) and 0x32
- * (Encap Security Payload), which use only the destination address
- * since the source address is not meaningful.
- *
- * @param[in] mda Pointer to packet's standard metadata.
- * @param[in] pkt Packet on which to operate.
- * @return The packet's 32-bit flow hash.
- */
-static __inline unsigned int
-NETIO_PKT_FLOW_HASH_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
- return mda->__flow_hash;
-}
-
-
-/** Return the first word of "user data" for the packet.
- *
- * The contents of the user data words depend on the IPP.
- *
- * When using the standard ipp1, ipp2, or ipp4 sub-drivers, the first
- * word of user data contains the least significant bits of the 64-bit
- * arrival cycle count (see @c get_cycle_count_low()).
- *
- * See the System Programmer's Guide for details.
- *
- * @ingroup ingress
- *
- * @param[in] mda Pointer to packet's standard metadata.
- * @param[in] pkt Packet on which to operate.
- * @return The packet's first word of "user data".
- */
-static __inline unsigned int
-NETIO_PKT_USER_DATA_0_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
- return mda->__user_data_0;
-}
-
-
-/** Return the second word of "user data" for the packet.
- *
- * The contents of the user data words depend on the IPP.
- *
- * When using the standard ipp1, ipp2, or ipp4 sub-drivers, the second
- * word of user data contains the most significant bits of the 64-bit
- * arrival cycle count (see @c get_cycle_count_high()).
- *
- * See the System Programmer's Guide for details.
- *
- * @ingroup ingress
- *
- * @param[in] mda Pointer to packet's standard metadata.
- * @param[in] pkt Packet on which to operate.
- * @return The packet's second word of "user data".
- */
-static __inline unsigned int
-NETIO_PKT_USER_DATA_1_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
- return mda->__user_data_1;
-}
-
-
-/** Determine whether the L4 (TCP/UDP) checksum was calculated.
- * @ingroup ingress
- *
- * @param[in] mda Pointer to packet's standard metadata.
- * @param[in] pkt Packet on which to operate.
- * @return Nonzero if the L4 checksum was calculated.
- */
-static __inline unsigned int
-NETIO_PKT_L4_CSUM_CALCULATED_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
- return !(mda->__flags & _NETIO_PKT_NO_L4_CSUM_MASK);
-}
-
-
-/** Determine whether the L4 (TCP/UDP) checksum was calculated and found to
- * be correct.
- * @ingroup ingress
- *
- * @param[in] mda Pointer to packet's standard metadata.
- * @param[in] pkt Packet on which to operate.
- * @return Nonzero if the checksum was calculated and is correct.
- */
-static __inline unsigned int
-NETIO_PKT_L4_CSUM_CORRECT_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
- return !(mda->__flags &
- (_NETIO_PKT_BAD_L4_CSUM_MASK | _NETIO_PKT_NO_L4_CSUM_MASK));
-}
-
-
-/** Determine whether the L3 (IP) checksum was calculated.
- * @ingroup ingress
- *
- * @param[in] mda Pointer to packet's standard metadata.
- * @param[in] pkt Packet on which to operate.
- * @return Nonzero if the L3 (IP) checksum was calculated.
-*/
-static __inline unsigned int
-NETIO_PKT_L3_CSUM_CALCULATED_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
- return !(mda->__flags & _NETIO_PKT_NO_L3_CSUM_MASK);
-}
-
-
-/** Determine whether the L3 (IP) checksum was calculated and found to be
- * correct.
- * @ingroup ingress
- *
- * @param[in] mda Pointer to packet's standard metadata.
- * @param[in] pkt Packet on which to operate.
- * @return Nonzero if the checksum was calculated and is correct.
- */
-static __inline unsigned int
-NETIO_PKT_L3_CSUM_CORRECT_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
- return !(mda->__flags &
- (_NETIO_PKT_BAD_L3_CSUM_MASK | _NETIO_PKT_NO_L3_CSUM_MASK));
-}
-
-
-/** Determine whether the ethertype was recognized and L3 packet data was
- * processed.
- * @ingroup ingress
- *
- * @param[in] mda Pointer to packet's standard metadata.
- * @param[in] pkt Packet on which to operate.
- * @return Nonzero if the ethertype was recognized and L3 packet data was
- * processed.
- */
-static __inline unsigned int
-NETIO_PKT_ETHERTYPE_RECOGNIZED_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
- return !(mda->__flags & _NETIO_PKT_TYPE_UNRECOGNIZED_MASK);
-}
-
-
-/** Retrieve the status of a packet and any errors that may have occurred
- * during ingress processing (length mismatches, CRC errors, etc.).
- * @ingroup ingress
- *
- * Note that packets for which @ref NETIO_PKT_ETHERTYPE_RECOGNIZED()
- * returns zero are always reported as underlength, as there is no a priori
- * means to determine their length. Normally, applications should use
- * @ref NETIO_PKT_BAD_M() instead of explicitly checking status with this
- * function.
- *
- * @param[in] mda Pointer to packet's standard metadata.
- * @param[in] pkt Packet on which to operate.
- * @return The packet's status.
- */
-static __inline netio_pkt_status_t
-NETIO_PKT_STATUS_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
- return (netio_pkt_status_t) __NETIO_PKT_NOTIF_HEADER(pkt).bits.__status;
-}
-
-
-/** Report whether a packet is bad (i.e., was shorter than expected based on
- * its headers, or had a bad CRC).
- * @ingroup ingress
- *
- * Note that this function does not verify L3 or L4 checksums.
- *
- * @param[in] mda Pointer to packet's standard metadata.
- * @param[in] pkt Packet on which to operate.
- * @return Nonzero if the packet is bad and should be discarded.
- */
-static __inline unsigned int
-NETIO_PKT_BAD_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
- return ((NETIO_PKT_STATUS_M(mda, pkt) & 1) &&
- (NETIO_PKT_ETHERTYPE_RECOGNIZED_M(mda, pkt) ||
- NETIO_PKT_STATUS_M(mda, pkt) == NETIO_PKT_STATUS_BAD));
-}
-
-
-/** Return the length of the packet, starting with the L2 (Ethernet) header.
- * @ingroup egress
- *
- * @param[in] mmd Pointer to packet's minimal metadata.
- * @param[in] pkt Packet on which to operate.
- * @return The length of the packet, in bytes.
- */
-static __inline netio_size_t
-NETIO_PKT_L2_LENGTH_MM(netio_pkt_minimal_metadata_t* mmd, netio_pkt_t* pkt)
-{
- return mmd->l2_length;
-}
-
-
-/** Return the length of the L2 (Ethernet) header.
- * @ingroup egress
- *
- * @param[in] mmd Pointer to packet's minimal metadata.
- * @param[in] pkt Packet on which to operate.
- * @return The length of the packet's L2 header, in bytes.
- */
-static __inline netio_size_t
-NETIO_PKT_L2_HEADER_LENGTH_MM(netio_pkt_minimal_metadata_t* mmd,
- netio_pkt_t* pkt)
-{
- return mmd->l3_offset - mmd->l2_offset;
-}
-
-
-/** Return the length of the packet, starting with the L3 (IP) header.
- * @ingroup egress
- *
- * @param[in] mmd Pointer to packet's minimal metadata.
- * @param[in] pkt Packet on which to operate.
- * @return Length of the packet's L3 header and data, in bytes.
- */
-static __inline netio_size_t
-NETIO_PKT_L3_LENGTH_MM(netio_pkt_minimal_metadata_t* mmd, netio_pkt_t* pkt)
-{
- return (NETIO_PKT_L2_LENGTH_MM(mmd, pkt) -
- NETIO_PKT_L2_HEADER_LENGTH_MM(mmd, pkt));
-}
-
-
-/** Return a pointer to the packet's L3 (generally, the IP) header.
- * @ingroup egress
- *
- * Note that we guarantee word alignment of the L3 header.
- *
- * @param[in] mmd Pointer to packet's minimal metadata.
- * @param[in] pkt Packet on which to operate.
- * @return A pointer to the packet's L3 header.
- */
-static __inline unsigned char*
-NETIO_PKT_L3_DATA_MM(netio_pkt_minimal_metadata_t* mmd, netio_pkt_t* pkt)
-{
- return _NETIO_PKT_BASE(pkt) + mmd->l3_offset;
-}
-
-
-/** Return a pointer to the packet's L2 (Ethernet) header.
- * @ingroup egress
- *
- * @param[in] mmd Pointer to packet's minimal metadata.
- * @param[in] pkt Packet on which to operate.
- * @return A pointer to start of the packet.
- */
-static __inline unsigned char*
-NETIO_PKT_L2_DATA_MM(netio_pkt_minimal_metadata_t* mmd, netio_pkt_t* pkt)
-{
- return _NETIO_PKT_BASE(pkt) + mmd->l2_offset;
-}
-
-
-/** Retrieve the status of a packet and any errors that may have occurred
- * during ingress processing (length mismatches, CRC errors, etc.).
- * @ingroup ingress
- *
- * Note that packets for which @ref NETIO_PKT_ETHERTYPE_RECOGNIZED()
- * returns zero are always reported as underlength, as there is no a priori
- * means to determine their length. Normally, applications should use
- * @ref NETIO_PKT_BAD() instead of explicitly checking status with this
- * function.
- *
- * @param[in] pkt Packet on which to operate.
- * @return The packet's status.
- */
-static __inline netio_pkt_status_t
-NETIO_PKT_STATUS(netio_pkt_t* pkt)
-{
- netio_assert(!pkt->__packet.bits.__minimal);
-
- return (netio_pkt_status_t) __NETIO_PKT_NOTIF_HEADER(pkt).bits.__status;
-}
-
-
-/** Report whether a packet is bad (i.e., was shorter than expected based on
- * its headers, or had a bad CRC).
- * @ingroup ingress
- *
- * Note that this function does not verify L3 or L4 checksums.
- *
- * @param[in] pkt Packet on which to operate.
- * @return Nonzero if the packet is bad and should be discarded.
- */
-static __inline unsigned int
-NETIO_PKT_BAD(netio_pkt_t* pkt)
-{
- netio_pkt_metadata_t* mda = NETIO_PKT_METADATA(pkt);
-
- return NETIO_PKT_BAD_M(mda, pkt);
-}
-
-
-/** Return the length of the packet's custom header.
- * A custom header may or may not be present, depending upon the IPP; its
- * contents and alignment are also IPP-dependent. Currently, none of the
- * standard IPPs supplied by Tilera produce a custom header. If present,
- * the custom header precedes the L2 header in the packet buffer.
- * @ingroup pktfuncs
- *
- * @param[in] pkt Packet on which to operate.
- * @return The length of the packet's custom header, in bytes.
- */
-static __inline netio_size_t
-NETIO_PKT_CUSTOM_HEADER_LENGTH(netio_pkt_t* pkt)
-{
- netio_pkt_metadata_t* mda = NETIO_PKT_METADATA(pkt);
-
- return NETIO_PKT_CUSTOM_HEADER_LENGTH_M(mda, pkt);
-}
-
-
-/** Return the length of the packet, starting with the custom header.
- * A custom header may or may not be present, depending upon the IPP; its
- * contents and alignment are also IPP-dependent. Currently, none of the
- * standard IPPs supplied by Tilera produce a custom header. If present,
- * the custom header precedes the L2 header in the packet buffer.
- * @ingroup pktfuncs
- *
- * @param[in] pkt Packet on which to operate.
- * @return The length of the packet, in bytes.
- */
-static __inline netio_size_t
-NETIO_PKT_CUSTOM_LENGTH(netio_pkt_t* pkt)
-{
- netio_pkt_metadata_t* mda = NETIO_PKT_METADATA(pkt);
-
- return NETIO_PKT_CUSTOM_LENGTH_M(mda, pkt);
-}
-
-
-/** Return a pointer to the packet's custom header.
- * A custom header may or may not be present, depending upon the IPP; its
- * contents and alignment are also IPP-dependent. Currently, none of the
- * standard IPPs supplied by Tilera produce a custom header. If present,
- * the custom header precedes the L2 header in the packet buffer.
- * @ingroup pktfuncs
- *
- * @param[in] pkt Packet on which to operate.
- * @return A pointer to start of the packet.
- */
-static __inline unsigned char*
-NETIO_PKT_CUSTOM_DATA(netio_pkt_t* pkt)
-{
- netio_pkt_metadata_t* mda = NETIO_PKT_METADATA(pkt);
-
- return NETIO_PKT_CUSTOM_DATA_M(mda, pkt);
-}
-
-
-/** Return the length of the packet's L2 (Ethernet plus VLAN or SNAP) header.
- * @ingroup pktfuncs
- *
- * @param[in] pkt Packet on which to operate.
- * @return The length of the packet's L2 header, in bytes.
- */
-static __inline netio_size_t
-NETIO_PKT_L2_HEADER_LENGTH(netio_pkt_t* pkt)
-{
- if (NETIO_PKT_IS_MINIMAL(pkt))
- {
- netio_pkt_minimal_metadata_t* mmd = NETIO_PKT_MINIMAL_METADATA(pkt);
-
- return NETIO_PKT_L2_HEADER_LENGTH_MM(mmd, pkt);
- }
- else
- {
- netio_pkt_metadata_t* mda = NETIO_PKT_METADATA(pkt);
-
- return NETIO_PKT_L2_HEADER_LENGTH_M(mda, pkt);
- }
-}
-
-
-/** Return the length of the packet, starting with the L2 (Ethernet) header.
- * @ingroup pktfuncs
- *
- * @param[in] pkt Packet on which to operate.
- * @return The length of the packet, in bytes.
- */
-static __inline netio_size_t
-NETIO_PKT_L2_LENGTH(netio_pkt_t* pkt)
-{
- if (NETIO_PKT_IS_MINIMAL(pkt))
- {
- netio_pkt_minimal_metadata_t* mmd = NETIO_PKT_MINIMAL_METADATA(pkt);
-
- return NETIO_PKT_L2_LENGTH_MM(mmd, pkt);
- }
- else
- {
- netio_pkt_metadata_t* mda = NETIO_PKT_METADATA(pkt);
-
- return NETIO_PKT_L2_LENGTH_M(mda, pkt);
- }
-}
-
-
-/** Return a pointer to the packet's L2 (Ethernet) header.
- * @ingroup pktfuncs
- *
- * @param[in] pkt Packet on which to operate.
- * @return A pointer to start of the packet.
- */
-static __inline unsigned char*
-NETIO_PKT_L2_DATA(netio_pkt_t* pkt)
-{
- if (NETIO_PKT_IS_MINIMAL(pkt))
- {
- netio_pkt_minimal_metadata_t* mmd = NETIO_PKT_MINIMAL_METADATA(pkt);
-
- return NETIO_PKT_L2_DATA_MM(mmd, pkt);
- }
- else
- {
- netio_pkt_metadata_t* mda = NETIO_PKT_METADATA(pkt);
-
- return NETIO_PKT_L2_DATA_M(mda, pkt);
- }
-}
-
-
-/** Retrieve the length of the packet, starting with the L3 (generally, the IP)
- * header.
- * @ingroup pktfuncs
- *
- * @param[in] pkt Packet on which to operate.
- * @return Length of the packet's L3 header and data, in bytes.
- */
-static __inline netio_size_t
-NETIO_PKT_L3_LENGTH(netio_pkt_t* pkt)
-{
- if (NETIO_PKT_IS_MINIMAL(pkt))
- {
- netio_pkt_minimal_metadata_t* mmd = NETIO_PKT_MINIMAL_METADATA(pkt);
-
- return NETIO_PKT_L3_LENGTH_MM(mmd, pkt);
- }
- else
- {
- netio_pkt_metadata_t* mda = NETIO_PKT_METADATA(pkt);
-
- return NETIO_PKT_L3_LENGTH_M(mda, pkt);
- }
-}
-
-
-/** Return a pointer to the packet's L3 (generally, the IP) header.
- * @ingroup pktfuncs
- *
- * Note that we guarantee word alignment of the L3 header.
- *
- * @param[in] pkt Packet on which to operate.
- * @return A pointer to the packet's L3 header.
- */
-static __inline unsigned char*
-NETIO_PKT_L3_DATA(netio_pkt_t* pkt)
-{
- if (NETIO_PKT_IS_MINIMAL(pkt))
- {
- netio_pkt_minimal_metadata_t* mmd = NETIO_PKT_MINIMAL_METADATA(pkt);
-
- return NETIO_PKT_L3_DATA_MM(mmd, pkt);
- }
- else
- {
- netio_pkt_metadata_t* mda = NETIO_PKT_METADATA(pkt);
-
- return NETIO_PKT_L3_DATA_M(mda, pkt);
- }
-}
-
-
-/** Return the ordinal of the packet.
- * @ingroup ingress
- *
- * Each packet is given an ordinal number when it is delivered by the IPP.
- * In the medium term, the ordinal is unique and monotonically increasing,
- * being incremented by 1 for each packet; the ordinal of the first packet
- * delivered after the IPP starts is zero. (Since the ordinal is of finite
- * size, given enough input packets, it will eventually wrap around to zero;
- * in the long term, therefore, ordinals are not unique.) The ordinals
- * handed out by different IPPs are not disjoint, so two packets from
- * different IPPs may have identical ordinals. Packets dropped by the
- * IPP or by the I/O shim are not assigned ordinals.
- *
- *
- * @param[in] pkt Packet on which to operate.
- * @return The packet's per-IPP packet ordinal.
- */
-static __inline unsigned int
-NETIO_PKT_ORDINAL(netio_pkt_t* pkt)
-{
- netio_pkt_metadata_t* mda = NETIO_PKT_METADATA(pkt);
-
- return NETIO_PKT_ORDINAL_M(mda, pkt);
-}
-
-
-/** Return the per-group ordinal of the packet.
- * @ingroup ingress
- *
- * Each packet is given a per-group ordinal number when it is
- * delivered by the IPP. By default, the group is the packet's VLAN,
- * although IPP can be recompiled to use different values. In
- * the medium term, the ordinal is unique and monotonically
- * increasing, being incremented by 1 for each packet; the ordinal of
- * the first packet distributed to a particular group is zero.
- * (Since the ordinal is of finite size, given enough input packets,
- * it will eventually wrap around to zero; in the long term,
- * therefore, ordinals are not unique.) The ordinals handed out by
- * different IPPs are not disjoint, so two packets from different IPPs
- * may have identical ordinals; similarly, packets distributed to
- * different groups may have identical ordinals. Packets dropped by
- * the IPP or by the I/O shim are not assigned ordinals.
- *
- * @param[in] pkt Packet on which to operate.
- * @return The packet's per-IPP, per-group ordinal.
- */
-static __inline unsigned int
-NETIO_PKT_GROUP_ORDINAL(netio_pkt_t* pkt)
-{
- netio_pkt_metadata_t* mda = NETIO_PKT_METADATA(pkt);
-
- return NETIO_PKT_GROUP_ORDINAL_M(mda, pkt);
-}
-
-
-/** Return the VLAN ID assigned to the packet.
- * @ingroup ingress
- *
- * This is usually also contained within the packet header. If the packet
- * does not have a VLAN tag, the VLAN ID returned by this function is zero.
- *
- * @param[in] pkt Packet on which to operate.
- * @return The packet's VLAN ID.
- */
-static __inline unsigned short
-NETIO_PKT_VLAN_ID(netio_pkt_t* pkt)
-{
- netio_pkt_metadata_t* mda = NETIO_PKT_METADATA(pkt);
-
- return NETIO_PKT_VLAN_ID_M(mda, pkt);
-}
-
-
-/** Return the ethertype of the packet.
- * @ingroup ingress
- *
- * This value is reliable if @ref NETIO_PKT_ETHERTYPE_RECOGNIZED()
- * returns true, and otherwise, may not be well defined.
- *
- * @param[in] pkt Packet on which to operate.
- * @return The packet's ethertype.
- */
-static __inline unsigned short
-NETIO_PKT_ETHERTYPE(netio_pkt_t* pkt)
-{
- netio_pkt_metadata_t* mda = NETIO_PKT_METADATA(pkt);
-
- return NETIO_PKT_ETHERTYPE_M(mda, pkt);
-}
-
-
-/** Return the flow hash computed on the packet.
- * @ingroup ingress
- *
- * For TCP and UDP packets, this hash is calculated by hashing together
- * the "5-tuple" values, specifically the source IP address, destination
- * IP address, protocol type, source port and destination port.
- * The hash value is intended to be helpful for millions of distinct
- * flows.
- *
- * For IPv4 or IPv6 packets which are neither TCP nor UDP, the flow hash is
- * derived by hashing together the source and destination IP addresses.
- *
- * For MPLS-encapsulated packets, the flow hash is derived by hashing
- * the first MPLS label.
- *
- * For all other packets the flow hash is computed from the source
- * and destination Ethernet addresses.
- *
- * The hash is symmetric, meaning it produces the same value if the
- * source and destination are swapped. The only exceptions are
- * tunneling protocols 0x04 (IP in IP Encapsulation), 0x29 (Simple
- * Internet Protocol), 0x2F (General Routing Encapsulation) and 0x32
- * (Encap Security Payload), which use only the destination address
- * since the source address is not meaningful.
- *
- * @param[in] pkt Packet on which to operate.
- * @return The packet's 32-bit flow hash.
- */
-static __inline unsigned int
-NETIO_PKT_FLOW_HASH(netio_pkt_t* pkt)
-{
- netio_pkt_metadata_t* mda = NETIO_PKT_METADATA(pkt);
-
- return NETIO_PKT_FLOW_HASH_M(mda, pkt);
-}
-
-
-/** Return the first word of "user data" for the packet.
- *
- * The contents of the user data words depend on the IPP.
- *
- * When using the standard ipp1, ipp2, or ipp4 sub-drivers, the first
- * word of user data contains the least significant bits of the 64-bit
- * arrival cycle count (see @c get_cycle_count_low()).
- *
- * See the System Programmer's Guide for details.
- *
- * @ingroup ingress
- *
- * @param[in] pkt Packet on which to operate.
- * @return The packet's first word of "user data".
- */
-static __inline unsigned int
-NETIO_PKT_USER_DATA_0(netio_pkt_t* pkt)
-{
- netio_pkt_metadata_t* mda = NETIO_PKT_METADATA(pkt);
-
- return NETIO_PKT_USER_DATA_0_M(mda, pkt);
-}
-
-
-/** Return the second word of "user data" for the packet.
- *
- * The contents of the user data words depend on the IPP.
- *
- * When using the standard ipp1, ipp2, or ipp4 sub-drivers, the second
- * word of user data contains the most significant bits of the 64-bit
- * arrival cycle count (see @c get_cycle_count_high()).
- *
- * See the System Programmer's Guide for details.
- *
- * @ingroup ingress
- *
- * @param[in] pkt Packet on which to operate.
- * @return The packet's second word of "user data".
- */
-static __inline unsigned int
-NETIO_PKT_USER_DATA_1(netio_pkt_t* pkt)
-{
- netio_pkt_metadata_t* mda = NETIO_PKT_METADATA(pkt);
-
- return NETIO_PKT_USER_DATA_1_M(mda, pkt);
-}
-
-
-/** Determine whether the L4 (TCP/UDP) checksum was calculated.
- * @ingroup ingress
- *
- * @param[in] pkt Packet on which to operate.
- * @return Nonzero if the L4 checksum was calculated.
- */
-static __inline unsigned int
-NETIO_PKT_L4_CSUM_CALCULATED(netio_pkt_t* pkt)
-{
- netio_pkt_metadata_t* mda = NETIO_PKT_METADATA(pkt);
-
- return NETIO_PKT_L4_CSUM_CALCULATED_M(mda, pkt);
-}
-
-
-/** Determine whether the L4 (TCP/UDP) checksum was calculated and found to
- * be correct.
- * @ingroup ingress
- *
- * @param[in] pkt Packet on which to operate.
- * @return Nonzero if the checksum was calculated and is correct.
- */
-static __inline unsigned int
-NETIO_PKT_L4_CSUM_CORRECT(netio_pkt_t* pkt)
-{
- netio_pkt_metadata_t* mda = NETIO_PKT_METADATA(pkt);
-
- return NETIO_PKT_L4_CSUM_CORRECT_M(mda, pkt);
-}
-
-
-/** Determine whether the L3 (IP) checksum was calculated.
- * @ingroup ingress
- *
- * @param[in] pkt Packet on which to operate.
- * @return Nonzero if the L3 (IP) checksum was calculated.
-*/
-static __inline unsigned int
-NETIO_PKT_L3_CSUM_CALCULATED(netio_pkt_t* pkt)
-{
- netio_pkt_metadata_t* mda = NETIO_PKT_METADATA(pkt);
-
- return NETIO_PKT_L3_CSUM_CALCULATED_M(mda, pkt);
-}
-
-
-/** Determine whether the L3 (IP) checksum was calculated and found to be
- * correct.
- * @ingroup ingress
- *
- * @param[in] pkt Packet on which to operate.
- * @return Nonzero if the checksum was calculated and is correct.
- */
-static __inline unsigned int
-NETIO_PKT_L3_CSUM_CORRECT(netio_pkt_t* pkt)
-{
- netio_pkt_metadata_t* mda = NETIO_PKT_METADATA(pkt);
-
- return NETIO_PKT_L3_CSUM_CORRECT_M(mda, pkt);
-}
-
-
-/** Determine whether the Ethertype was recognized and L3 packet data was
- * processed.
- * @ingroup ingress
- *
- * @param[in] pkt Packet on which to operate.
- * @return Nonzero if the Ethertype was recognized and L3 packet data was
- * processed.
- */
-static __inline unsigned int
-NETIO_PKT_ETHERTYPE_RECOGNIZED(netio_pkt_t* pkt)
-{
- netio_pkt_metadata_t* mda = NETIO_PKT_METADATA(pkt);
-
- return NETIO_PKT_ETHERTYPE_RECOGNIZED_M(mda, pkt);
-}
-
-
-/** Set an egress packet's L2 length, using a metadata pointer to speed the
- * computation.
- * @ingroup egress
- *
- * @param[in,out] mmd Pointer to packet's minimal metadata.
- * @param[in] pkt Packet on which to operate.
- * @param[in] len Packet L2 length, in bytes.
- */
-static __inline void
-NETIO_PKT_SET_L2_LENGTH_MM(netio_pkt_minimal_metadata_t* mmd, netio_pkt_t* pkt,
- int len)
-{
- mmd->l2_length = len;
-}
-
-
-/** Set an egress packet's L2 length.
- * @ingroup egress
- *
- * @param[in,out] pkt Packet on which to operate.
- * @param[in] len Packet L2 length, in bytes.
- */
-static __inline void
-NETIO_PKT_SET_L2_LENGTH(netio_pkt_t* pkt, int len)
-{
- netio_pkt_minimal_metadata_t* mmd = NETIO_PKT_MINIMAL_METADATA(pkt);
-
- NETIO_PKT_SET_L2_LENGTH_MM(mmd, pkt, len);
-}
-
-
-/** Set an egress packet's L2 header length, using a metadata pointer to
- * speed the computation.
- * @ingroup egress
- *
- * It is not normally necessary to call this routine; only the L2 length,
- * not the header length, is needed to transmit a packet. It may be useful if
- * the egress packet will later be processed by code which expects to use
- * functions like @ref NETIO_PKT_L3_DATA() to get a pointer to the L3 payload.
- *
- * @param[in,out] mmd Pointer to packet's minimal metadata.
- * @param[in] pkt Packet on which to operate.
- * @param[in] len Packet L2 header length, in bytes.
- */
-static __inline void
-NETIO_PKT_SET_L2_HEADER_LENGTH_MM(netio_pkt_minimal_metadata_t* mmd,
- netio_pkt_t* pkt, int len)
-{
- mmd->l3_offset = mmd->l2_offset + len;
-}
-
-
-/** Set an egress packet's L2 header length.
- * @ingroup egress
- *
- * It is not normally necessary to call this routine; only the L2 length,
- * not the header length, is needed to transmit a packet. It may be useful if
- * the egress packet will later be processed by code which expects to use
- * functions like @ref NETIO_PKT_L3_DATA() to get a pointer to the L3 payload.
- *
- * @param[in,out] pkt Packet on which to operate.
- * @param[in] len Packet L2 header length, in bytes.
- */
-static __inline void
-NETIO_PKT_SET_L2_HEADER_LENGTH(netio_pkt_t* pkt, int len)
-{
- netio_pkt_minimal_metadata_t* mmd = NETIO_PKT_MINIMAL_METADATA(pkt);
-
- NETIO_PKT_SET_L2_HEADER_LENGTH_MM(mmd, pkt, len);
-}
-
-
-/** Set up an egress packet for hardware checksum computation, using a
- * metadata pointer to speed the operation.
- * @ingroup egress
- *
- * NetIO provides the ability to automatically calculate a standard
- * 16-bit Internet checksum on transmitted packets. The application
- * may specify the point in the packet where the checksum starts, the
- * number of bytes to be checksummed, and the two bytes in the packet
- * which will be replaced with the completed checksum. (If the range
- * of bytes to be checksummed includes the bytes to be replaced, the
- * initial values of those bytes will be included in the checksum.)
- *
- * For some protocols, the packet checksum covers data which is not present
- * in the packet, or is at least not contiguous to the main data payload.
- * For instance, the TCP checksum includes a "pseudo-header" which includes
- * the source and destination IP addresses of the packet. To accommodate
- * this, the checksum engine may be "seeded" with an initial value, which
- * the application would need to compute based on the specific protocol's
- * requirements. Note that the seed is given in host byte order (little-
- * endian), not network byte order (big-endian); code written to compute a
- * pseudo-header checksum in network byte order will need to byte-swap it
- * before use as the seed.
- *
- * Note that the checksum is computed as part of the transmission process,
- * so it will not be present in the packet upon completion of this routine.
- *
- * @param[in,out] mmd Pointer to packet's minimal metadata.
- * @param[in] pkt Packet on which to operate.
- * @param[in] start Offset within L2 packet of the first byte to include in
- * the checksum.
- * @param[in] length Number of bytes to include in the checksum.
- * the checksum.
- * @param[in] location Offset within L2 packet of the first of the two bytes
- * to be replaced with the calculated checksum.
- * @param[in] seed Initial value of the running checksum before any of the
- * packet data is added.
- */
-static __inline void
-NETIO_PKT_DO_EGRESS_CSUM_MM(netio_pkt_minimal_metadata_t* mmd,
- netio_pkt_t* pkt, int start, int length,
- int location, uint16_t seed)
-{
- mmd->csum_start = start;
- mmd->csum_length = length;
- mmd->csum_location = location;
- mmd->csum_seed = seed;
- mmd->flags |= _NETIO_PKT_NEED_EDMA_CSUM_MASK;
-}
-
-
-/** Set up an egress packet for hardware checksum computation.
- * @ingroup egress
- *
- * NetIO provides the ability to automatically calculate a standard
- * 16-bit Internet checksum on transmitted packets. The application
- * may specify the point in the packet where the checksum starts, the
- * number of bytes to be checksummed, and the two bytes in the packet
- * which will be replaced with the completed checksum. (If the range
- * of bytes to be checksummed includes the bytes to be replaced, the
- * initial values of those bytes will be included in the checksum.)
- *
- * For some protocols, the packet checksum covers data which is not present
- * in the packet, or is at least not contiguous to the main data payload.
- * For instance, the TCP checksum includes a "pseudo-header" which includes
- * the source and destination IP addresses of the packet. To accommodate
- * this, the checksum engine may be "seeded" with an initial value, which
- * the application would need to compute based on the specific protocol's
- * requirements. Note that the seed is given in host byte order (little-
- * endian), not network byte order (big-endian); code written to compute a
- * pseudo-header checksum in network byte order will need to byte-swap it
- * before use as the seed.
- *
- * Note that the checksum is computed as part of the transmission process,
- * so it will not be present in the packet upon completion of this routine.
- *
- * @param[in,out] pkt Packet on which to operate.
- * @param[in] start Offset within L2 packet of the first byte to include in
- * the checksum.
- * @param[in] length Number of bytes to include in the checksum.
- * the checksum.
- * @param[in] location Offset within L2 packet of the first of the two bytes
- * to be replaced with the calculated checksum.
- * @param[in] seed Initial value of the running checksum before any of the
- * packet data is added.
- */
-static __inline void
-NETIO_PKT_DO_EGRESS_CSUM(netio_pkt_t* pkt, int start, int length,
- int location, uint16_t seed)
-{
- netio_pkt_minimal_metadata_t* mmd = NETIO_PKT_MINIMAL_METADATA(pkt);
-
- NETIO_PKT_DO_EGRESS_CSUM_MM(mmd, pkt, start, length, location, seed);
-}
-
-
-/** Return the number of bytes which could be prepended to a packet, using a
- * metadata pointer to speed the operation.
- * See @ref netio_populate_prepend_buffer() to get a full description of
- * prepending.
- *
- * @param[in,out] mda Pointer to packet's standard metadata.
- * @param[in] pkt Packet on which to operate.
- */
-static __inline int
-NETIO_PKT_PREPEND_AVAIL_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
- return (pkt->__packet.bits.__offset << 6) +
- NETIO_PKT_CUSTOM_HEADER_LENGTH_M(mda, pkt);
-}
-
-
-/** Return the number of bytes which could be prepended to a packet, using a
- * metadata pointer to speed the operation.
- * See @ref netio_populate_prepend_buffer() to get a full description of
- * prepending.
- * @ingroup egress
- *
- * @param[in,out] mmd Pointer to packet's minimal metadata.
- * @param[in] pkt Packet on which to operate.
- */
-static __inline int
-NETIO_PKT_PREPEND_AVAIL_MM(netio_pkt_minimal_metadata_t* mmd, netio_pkt_t* pkt)
-{
- return (pkt->__packet.bits.__offset << 6) + mmd->l2_offset;
-}
-
-
-/** Return the number of bytes which could be prepended to a packet.
- * See @ref netio_populate_prepend_buffer() to get a full description of
- * prepending.
- * @ingroup egress
- *
- * @param[in] pkt Packet on which to operate.
- */
-static __inline int
-NETIO_PKT_PREPEND_AVAIL(netio_pkt_t* pkt)
-{
- if (NETIO_PKT_IS_MINIMAL(pkt))
- {
- netio_pkt_minimal_metadata_t* mmd = NETIO_PKT_MINIMAL_METADATA(pkt);
-
- return NETIO_PKT_PREPEND_AVAIL_MM(mmd, pkt);
- }
- else
- {
- netio_pkt_metadata_t* mda = NETIO_PKT_METADATA(pkt);
-
- return NETIO_PKT_PREPEND_AVAIL_M(mda, pkt);
- }
-}
-
-
-/** Flush a packet's minimal metadata from the cache, using a metadata pointer
- * to speed the operation.
- * @ingroup egress
- *
- * @param[in] mmd Pointer to packet's minimal metadata.
- * @param[in] pkt Packet on which to operate.
- */
-static __inline void
-NETIO_PKT_FLUSH_MINIMAL_METADATA_MM(netio_pkt_minimal_metadata_t* mmd,
- netio_pkt_t* pkt)
-{
-}
-
-
-/** Invalidate a packet's minimal metadata from the cache, using a metadata
- * pointer to speed the operation.
- * @ingroup egress
- *
- * @param[in] mmd Pointer to packet's minimal metadata.
- * @param[in] pkt Packet on which to operate.
- */
-static __inline void
-NETIO_PKT_INV_MINIMAL_METADATA_MM(netio_pkt_minimal_metadata_t* mmd,
- netio_pkt_t* pkt)
-{
-}
-
-
-/** Flush and then invalidate a packet's minimal metadata from the cache,
- * using a metadata pointer to speed the operation.
- * @ingroup egress
- *
- * @param[in] mmd Pointer to packet's minimal metadata.
- * @param[in] pkt Packet on which to operate.
- */
-static __inline void
-NETIO_PKT_FLUSH_INV_MINIMAL_METADATA_MM(netio_pkt_minimal_metadata_t* mmd,
- netio_pkt_t* pkt)
-{
-}
-
-
-/** Flush a packet's metadata from the cache, using a metadata pointer
- * to speed the operation.
- * @ingroup ingress
- *
- * @param[in] mda Pointer to packet's minimal metadata.
- * @param[in] pkt Packet on which to operate.
- */
-static __inline void
-NETIO_PKT_FLUSH_METADATA_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
-}
-
-
-/** Invalidate a packet's metadata from the cache, using a metadata
- * pointer to speed the operation.
- * @ingroup ingress
- *
- * @param[in] mda Pointer to packet's metadata.
- * @param[in] pkt Packet on which to operate.
- */
-static __inline void
-NETIO_PKT_INV_METADATA_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
-}
-
-
-/** Flush and then invalidate a packet's metadata from the cache,
- * using a metadata pointer to speed the operation.
- * @ingroup ingress
- *
- * @param[in] mda Pointer to packet's metadata.
- * @param[in] pkt Packet on which to operate.
- */
-static __inline void
-NETIO_PKT_FLUSH_INV_METADATA_M(netio_pkt_metadata_t* mda, netio_pkt_t* pkt)
-{
-}
-
-
-/** Flush a packet's minimal metadata from the cache.
- * @ingroup egress
- *
- * @param[in] pkt Packet on which to operate.
- */
-static __inline void
-NETIO_PKT_FLUSH_MINIMAL_METADATA(netio_pkt_t* pkt)
-{
-}
-
-
-/** Invalidate a packet's minimal metadata from the cache.
- * @ingroup egress
- *
- * @param[in] pkt Packet on which to operate.
- */
-static __inline void
-NETIO_PKT_INV_MINIMAL_METADATA(netio_pkt_t* pkt)
-{
-}
-
-
-/** Flush and then invalidate a packet's minimal metadata from the cache.
- * @ingroup egress
- *
- * @param[in] pkt Packet on which to operate.
- */
-static __inline void
-NETIO_PKT_FLUSH_INV_MINIMAL_METADATA(netio_pkt_t* pkt)
-{
-}
-
-
-/** Flush a packet's metadata from the cache.
- * @ingroup ingress
- *
- * @param[in] pkt Packet on which to operate.
- */
-static __inline void
-NETIO_PKT_FLUSH_METADATA(netio_pkt_t* pkt)
-{
-}
-
-
-/** Invalidate a packet's metadata from the cache.
- * @ingroup ingress
- *
- * @param[in] pkt Packet on which to operate.
- */
-static __inline void
-NETIO_PKT_INV_METADATA(netio_pkt_t* pkt)
-{
-}
-
-
-/** Flush and then invalidate a packet's metadata from the cache.
- * @ingroup ingress
- *
- * @param[in] pkt Packet on which to operate.
- */
-static __inline void
-NETIO_PKT_FLUSH_INV_METADATA(netio_pkt_t* pkt)
-{
-}
-
-/** Number of NUMA nodes we can distribute buffers to.
- * @ingroup setup */
-#define NETIO_NUM_NODE_WEIGHTS 16
-
-/**
- * @brief An object for specifying the characteristics of NetIO communication
- * endpoint.
- *
- * @ingroup setup
- *
- * The @ref netio_input_register() function uses this structure to define
- * how an application tile will communicate with an IPP.
- *
- *
- * Future updates to NetIO may add new members to this structure,
- * which can affect the success of the registration operation. Thus,
- * if dynamically initializing the structure, applications are urged to
- * zero it out first, for example:
- *
- * @code
- * netio_input_config_t config;
- * memset(&config, 0, sizeof (config));
- * config.flags = NETIO_RECV | NETIO_XMIT_CSUM | NETIO_TAG_NONE;
- * config.num_receive_packets = NETIO_MAX_RECEIVE_PKTS;
- * config.queue_id = 0;
- * .
- * .
- * .
- * @endcode
- *
- * since that guarantees that any unused structure members, including
- * members which did not exist when the application was first developed,
- * will not have unexpected values.
- *
- * If statically initializing the structure, we strongly recommend use of
- * C99-style named initializers, for example:
- *
- * @code
- * netio_input_config_t config = {
- * .flags = NETIO_RECV | NETIO_XMIT_CSUM | NETIO_TAG_NONE,
- * .num_receive_packets = NETIO_MAX_RECEIVE_PKTS,
- * .queue_id = 0,
- * },
- * @endcode
- *
- * instead of the old-style structure initialization:
- *
- * @code
- * // Bad example! Currently equivalent to the above, but don't do this.
- * netio_input_config_t config = {
- * NETIO_RECV | NETIO_XMIT_CSUM | NETIO_TAG_NONE, NETIO_MAX_RECEIVE_PKTS, 0
- * },
- * @endcode
- *
- * since the C99 style requires no changes to the code if elements of the
- * config structure are rearranged. (It also makes the initialization much
- * easier to understand.)
- *
- * Except for items which address a particular tile's transmit or receive
- * characteristics, such as the ::NETIO_RECV flag, applications are advised
- * to specify the same set of configuration data on all registrations.
- * This prevents differing results if multiple tiles happen to do their
- * registration operations in a different order on different invocations of
- * the application. This is particularly important for things like link
- * management flags, and buffer size and homing specifications.
- *
- * Unless the ::NETIO_FIXED_BUFFER_VA flag is specified in flags, the NetIO
- * buffer pool is automatically created and mapped into the application's
- * virtual address space at an address chosen by the operating system,
- * using the common memory (cmem) facility in the Tilera Multicore
- * Components library. The cmem facility allows multiple processes to gain
- * access to shared memory which is mapped into each process at an
- * identical virtual address. In order for this to work, the processes
- * must have a common ancestor, which must create the common memory using
- * tmc_cmem_init().
- *
- * In programs using the iLib process creation API, or in programs which use
- * only one process (which include programs using the pthreads library),
- * tmc_cmem_init() is called automatically. All other applications
- * must call it explicitly, before any child processes which might call
- * netio_input_register() are created.
- */
-typedef struct
-{
- /** Registration characteristics.
-
- This value determines several characteristics of the registration;
- flags for different types of behavior are ORed together to make the
- final flag value. Generally applications should specify exactly
- one flag from each of the following categories:
-
- - Whether the application will be receiving packets on this queue
- (::NETIO_RECV or ::NETIO_NO_RECV).
-
- - Whether the application will be transmitting packets on this queue,
- and if so, whether it will request egress checksum calculation
- (::NETIO_XMIT, ::NETIO_XMIT_CSUM, or ::NETIO_NO_XMIT). It is
- legal to call netio_get_buffer() without one of the XMIT flags,
- as long as ::NETIO_RECV is specified; in this case, the retrieved
- buffers must be passed to another tile for transmission.
-
- - Whether the application expects any vendor-specific tags in
- its packets' L2 headers (::NETIO_TAG_NONE, ::NETIO_TAG_BRCM,
- or ::NETIO_TAG_MRVL). This must match the configuration of the
- target IPP.
-
- To accommodate applications written to previous versions of the NetIO
- interface, none of the flags above are currently required; if omitted,
- NetIO behaves more or less as if ::NETIO_RECV | ::NETIO_XMIT_CSUM |
- ::NETIO_TAG_NONE were used. However, explicit specification of
- the relevant flags allows NetIO to do a better job of resource
- allocation, allows earlier detection of certain configuration errors,
- and may enable advanced features or higher performance in the future,
- so their use is strongly recommended.
-
- Note that specifying ::NETIO_NO_RECV along with ::NETIO_NO_XMIT
- is a special case, intended primarily for use by programs which
- retrieve network statistics or do link management operations.
- When these flags are both specified, the resulting queue may not
- be used with NetIO routines other than netio_get(), netio_set(),
- and netio_input_unregister(). See @ref link for more information
- on link management.
-
- Other flags are optional; their use is described below.
- */
- int flags;
-
- /** Interface name. This is a string which identifies the specific
- Ethernet controller hardware to be used. The format of the string
- is a device type and a device index, separated by a slash; so,
- the first 10 Gigabit Ethernet controller is named "xgbe/0", while
- the second 10/100/1000 Megabit Ethernet controller is named "gbe/1".
- */
- const char* interface;
-
- /** Receive packet queue size. This specifies the maximum number
- of ingress packets that can be received on this queue without
- being retrieved by @ref netio_get_packet(). If the IPP's distribution
- algorithm calls for a packet to be sent to this queue, and this
- number of packets are already pending there, the new packet
- will either be discarded, or sent to another tile registered
- for the same queue_id (see @ref drops). This value must
- be at least ::NETIO_MIN_RECEIVE_PKTS, can always be at least
- ::NETIO_MAX_RECEIVE_PKTS, and may be larger than that on certain
- interfaces.
- */
- int num_receive_packets;
-
- /** The queue ID being requested. Legal values for this range from 0
- to ::NETIO_MAX_QUEUE_ID, inclusive. ::NETIO_MAX_QUEUE_ID is always
- greater than or equal to the number of tiles; this allows one queue
- for each tile, plus at least one additional queue. Some applications
- may wish to use the additional queue as a destination for unwanted
- packets, since packets delivered to queues for which no tiles have
- registered are discarded.
- */
- unsigned int queue_id;
-
- /** Maximum number of small send buffers to be held in the local empty
- buffer cache. This specifies the size of the area which holds
- empty small egress buffers requested from the IPP but not yet
- retrieved via @ref netio_get_buffer(). This value must be greater
- than zero if the application will ever use @ref netio_get_buffer()
- to allocate empty small egress buffers; it may be no larger than
- ::NETIO_MAX_SEND_BUFFERS. See @ref epp for more details on empty
- buffer caching.
- */
- int num_send_buffers_small_total;
-
- /** Number of small send buffers to be preallocated at registration.
- If this value is nonzero, the specified number of empty small egress
- buffers will be requested from the IPP during the netio_input_register
- operation; this may speed the execution of @ref netio_get_buffer().
- This may be no larger than @ref num_send_buffers_small_total. See @ref
- epp for more details on empty buffer caching.
- */
- int num_send_buffers_small_prealloc;
-
- /** Maximum number of large send buffers to be held in the local empty
- buffer cache. This specifies the size of the area which holds empty
- large egress buffers requested from the IPP but not yet retrieved via
- @ref netio_get_buffer(). This value must be greater than zero if the
- application will ever use @ref netio_get_buffer() to allocate empty
- large egress buffers; it may be no larger than ::NETIO_MAX_SEND_BUFFERS.
- See @ref epp for more details on empty buffer caching.
- */
- int num_send_buffers_large_total;
-
- /** Number of large send buffers to be preallocated at registration.
- If this value is nonzero, the specified number of empty large egress
- buffers will be requested from the IPP during the netio_input_register
- operation; this may speed the execution of @ref netio_get_buffer().
- This may be no larger than @ref num_send_buffers_large_total. See @ref
- epp for more details on empty buffer caching.
- */
- int num_send_buffers_large_prealloc;
-
- /** Maximum number of jumbo send buffers to be held in the local empty
- buffer cache. This specifies the size of the area which holds empty
- jumbo egress buffers requested from the IPP but not yet retrieved via
- @ref netio_get_buffer(). This value must be greater than zero if the
- application will ever use @ref netio_get_buffer() to allocate empty
- jumbo egress buffers; it may be no larger than ::NETIO_MAX_SEND_BUFFERS.
- See @ref epp for more details on empty buffer caching.
- */
- int num_send_buffers_jumbo_total;
-
- /** Number of jumbo send buffers to be preallocated at registration.
- If this value is nonzero, the specified number of empty jumbo egress
- buffers will be requested from the IPP during the netio_input_register
- operation; this may speed the execution of @ref netio_get_buffer().
- This may be no larger than @ref num_send_buffers_jumbo_total. See @ref
- epp for more details on empty buffer caching.
- */
- int num_send_buffers_jumbo_prealloc;
-
- /** Total packet buffer size. This determines the total size, in bytes,
- of the NetIO buffer pool. Note that the maximum number of available
- buffers of each size is determined during hypervisor configuration
- (see the System Programmer's Guide for details); this just
- influences how much host memory is allocated for those buffers.
-
- The buffer pool is allocated from common memory, which will be
- automatically initialized if needed. If your buffer pool is larger
- than 240 MB, you might need to explicitly call @c tmc_cmem_init(),
- as described in the Application Libraries Reference Manual (UG227).
-
- Packet buffers are currently allocated in chunks of 16 MB; this
- value will be rounded up to the next larger multiple of 16 MB.
- If this value is zero, a default of 32 MB will be used; this was
- the value used by previous versions of NetIO. Note that taking this
- default also affects the placement of buffers on Linux NUMA nodes.
- See @ref buffer_node_weights for an explanation of buffer placement.
-
- In order to successfully allocate packet buffers, Linux must have
- available huge pages on the relevant Linux NUMA nodes. See the
- System Programmer's Guide for information on configuring
- huge page support in Linux.
- */
- uint64_t total_buffer_size;
-
- /** Buffer placement weighting factors.
-
- This array specifies the relative amount of buffering to place
- on each of the available Linux NUMA nodes. This array is
- indexed by the NUMA node, and the values in the array are
- proportional to the amount of buffer space to allocate on that
- node.
-
- If memory striping is enabled in the Hypervisor, then there is
- only one logical NUMA node (node 0). In that case, NetIO will by
- default ignore the suggested buffer node weights, and buffers
- will be striped across the physical memory controllers. See
- UG209 System Programmer's Guide for a description of the
- hypervisor option that controls memory striping.
-
- If memory striping is disabled, then there are up to four NUMA
- nodes, corresponding to the four DDRAM controllers in the TILE
- processor architecture. See UG100 Tile Processor Architecture
- Overview for a diagram showing the location of each of the DDRAM
- controllers relative to the tile array.
-
- For instance, if memory striping is disabled, the following
- configuration strucure:
-
- @code
- netio_input_config_t config = {
- .
- .
- .
- .total_buffer_size = 4 * 16 * 1024 * 1024;
- .buffer_node_weights = { 1, 0, 1, 0 },
- },
- @endcode
-
- would result in 32 MB of buffers being placed on controller 0, and
- 32 MB on controller 2. (Since buffers are allocated in units of
- 16 MB, some sets of weights will not be able to be matched exactly.)
-
- For the weights to be effective, @ref total_buffer_size must be
- nonzero. If @ref total_buffer_size is zero, causing the default
- 32 MB of buffer space to be used, then any specified weights will
- be ignored, and buffers will positioned as they were in previous
- versions of NetIO:
-
- - For xgbe/0 and gbe/0, 16 MB of buffers will be placed on controller 1,
- and the other 16 MB will be placed on controller 2.
-
- - For xgbe/1 and gbe/1, 16 MB of buffers will be placed on controller 2,
- and the other 16 MB will be placed on controller 3.
-
- If @ref total_buffer_size is nonzero, but all weights are zero,
- then all buffer space will be allocated on Linux NUMA node zero.
-
- By default, the specified buffer placement is treated as a hint;
- if sufficient free memory is not available on the specified
- controllers, the buffers will be allocated elsewhere. However,
- if the ::NETIO_STRICT_HOMING flag is specified in @ref flags, then a
- failure to allocate buffer space exactly as requested will cause the
- registration operation to fail with an error of ::NETIO_CANNOT_HOME.
-
- Note that maximal network performance cannot be achieved with
- only one memory controller.
- */
- uint8_t buffer_node_weights[NETIO_NUM_NODE_WEIGHTS];
-
- /** Fixed virtual address for packet buffers. Only valid when
- ::NETIO_FIXED_BUFFER_VA is specified in @ref flags; see the
- description of that flag for details.
- */
- void* fixed_buffer_va;
-
- /**
- Maximum number of outstanding send packet requests. This value is
- only relevant when an EPP is in use; it determines the number of
- slots in the EPP's outgoing packet queue which this tile is allowed
- to consume, and thus the number of packets which may be sent before
- the sending tile must wait for an acknowledgment from the EPP.
- Modifying this value is generally only helpful when using @ref
- netio_send_packet_vector(), where it can help improve performance by
- allowing a single vector send operation to process more packets.
- Typically it is not specified, and the default, which divides the
- outgoing packet slots evenly between all tiles on the chip, is used.
-
- If a registration asks for more outgoing packet queue slots than are
- available, ::NETIO_TOOMANY_XMIT will be returned. The total number
- of packet queue slots which are available for all tiles for each EPP
- is subject to change, but is currently ::NETIO_TOTAL_SENDS_OUTSTANDING.
-
-
- This value is ignored if ::NETIO_XMIT is not specified in flags.
- If you want to specify a large value here for a specific tile, you are
- advised to specify NETIO_NO_XMIT on other, non-transmitting tiles so
- that they do not consume a default number of packet slots. Any tile
- transmitting is required to have at least ::NETIO_MIN_SENDS_OUTSTANDING
- slots allocated to it; values less than that will be silently
- increased by the NetIO library.
- */
- int num_sends_outstanding;
-}
-netio_input_config_t;
-
-
-/** Registration flags; used in the @ref netio_input_config_t structure.
- * @addtogroup setup
- */
-/** @{ */
-
-/** Fail a registration request if we can't put packet buffers
- on the specified memory controllers. */
-#define NETIO_STRICT_HOMING 0x00000002
-
-/** This application expects no tags on its L2 headers. */
-#define NETIO_TAG_NONE 0x00000004
-
-/** This application expects Marvell extended tags on its L2 headers. */
-#define NETIO_TAG_MRVL 0x00000008
-
-/** This application expects Broadcom tags on its L2 headers. */
-#define NETIO_TAG_BRCM 0x00000010
-
-/** This registration may call routines which receive packets. */
-#define NETIO_RECV 0x00000020
-
-/** This registration may not call routines which receive packets. */
-#define NETIO_NO_RECV 0x00000040
-
-/** This registration may call routines which transmit packets. */
-#define NETIO_XMIT 0x00000080
-
-/** This registration may call routines which transmit packets with
- checksum acceleration. */
-#define NETIO_XMIT_CSUM 0x00000100
-
-/** This registration may not call routines which transmit packets. */
-#define NETIO_NO_XMIT 0x00000200
-
-/** This registration wants NetIO buffers mapped at an application-specified
- virtual address.
-
- NetIO buffers are by default created by the TMC common memory facility,
- which must be configured by a common ancestor of all processes sharing
- a network interface. When this flag is specified, NetIO buffers are
- instead mapped at an address chosen by the application (and specified
- in @ref netio_input_config_t::fixed_buffer_va). This allows multiple
- unrelated but cooperating processes to share a NetIO interface.
- All processes sharing the same interface must specify this flag,
- and all must specify the same fixed virtual address.
-
- @ref netio_input_config_t::fixed_buffer_va must be a
- multiple of 16 MB, and the packet buffers will occupy @ref
- netio_input_config_t::total_buffer_size bytes of virtual address
- space, beginning at that address. If any of those virtual addresses
- are currently occupied by other memory objects, like application or
- shared library code or data, @ref netio_input_register() will return
- ::NETIO_FAULT. While it is impossible to provide a fixed_buffer_va
- which will work for all applications, a good first guess might be to
- use 0xb0000000 minus @ref netio_input_config_t::total_buffer_size.
- If that fails, it might be helpful to consult the running application's
- virtual address description file (/proc/pid/maps) to see
- which regions of virtual address space are available.
- */
-#define NETIO_FIXED_BUFFER_VA 0x00000400
-
-/** This registration call will not complete unless the network link
- is up. The process will wait several seconds for this to happen (the
- precise interval is link-dependent), but if the link does not come up,
- ::NETIO_LINK_DOWN will be returned. This flag is the default if
- ::NETIO_NOREQUIRE_LINK_UP is not specified. Note that this flag by
- itself does not request that the link be brought up; that can be done
- with the ::NETIO_AUTO_LINK_UPDN or ::NETIO_AUTO_LINK_UP flags (the
- latter is the default if no NETIO_AUTO_LINK_xxx flags are specified),
- or by explicitly setting the link's desired state via netio_set().
- If the link is not brought up by one of those methods, and this flag
- is specified, the registration operation will return ::NETIO_LINK_DOWN.
- This flag is ignored if it is specified along with ::NETIO_NO_XMIT and
- ::NETIO_NO_RECV. See @ref link for more information on link
- management.
- */
-#define NETIO_REQUIRE_LINK_UP 0x00000800
-
-/** This registration call will complete even if the network link is not up.
- Whenever the link is not up, packets will not be sent or received:
- netio_get_packet() will return ::NETIO_NOPKT once all queued packets
- have been drained, and netio_send_packet() and similar routines will
- return NETIO_QUEUE_FULL once the outgoing packet queue in the EPP
- or the I/O shim is full. See @ref link for more information on link
- management.
- */
-#define NETIO_NOREQUIRE_LINK_UP 0x00001000
-
-#ifndef __DOXYGEN__
-/*
- * These are part of the implementation of the NETIO_AUTO_LINK_xxx flags,
- * but should not be used directly by applications, and are thus not
- * documented.
- */
-#define _NETIO_AUTO_UP 0x00002000
-#define _NETIO_AUTO_DN 0x00004000
-#define _NETIO_AUTO_PRESENT 0x00008000
-#endif
-
-/** Set the desired state of the link to up, allowing any speeds which are
- supported by the link hardware, as part of this registration operation.
- Do not take down the link automatically. This is the default if
- no other NETIO_AUTO_LINK_xxx flags are specified. This flag is ignored
- if it is specified along with ::NETIO_NO_XMIT and ::NETIO_NO_RECV.
- See @ref link for more information on link management.
- */
-#define NETIO_AUTO_LINK_UP (_NETIO_AUTO_PRESENT | _NETIO_AUTO_UP)
-
-/** Set the desired state of the link to up, allowing any speeds which are
- supported by the link hardware, as part of this registration operation.
- Set the desired state of the link to down the next time no tiles are
- registered for packet reception or transmission. This flag is ignored
- if it is specified along with ::NETIO_NO_XMIT and ::NETIO_NO_RECV.
- See @ref link for more information on link management.
- */
-#define NETIO_AUTO_LINK_UPDN (_NETIO_AUTO_PRESENT | _NETIO_AUTO_UP | \
- _NETIO_AUTO_DN)
-
-/** Set the desired state of the link to down the next time no tiles are
- registered for packet reception or transmission. This flag is ignored
- if it is specified along with ::NETIO_NO_XMIT and ::NETIO_NO_RECV.
- See @ref link for more information on link management.
- */
-#define NETIO_AUTO_LINK_DN (_NETIO_AUTO_PRESENT | _NETIO_AUTO_DN)
-
-/** Do not bring up the link automatically as part of this registration
- operation. Do not take down the link automatically. This flag
- is ignored if it is specified along with ::NETIO_NO_XMIT and
- ::NETIO_NO_RECV. See @ref link for more information on link management.
- */
-#define NETIO_AUTO_LINK_NONE _NETIO_AUTO_PRESENT
-
-
-/** Minimum number of receive packets. */
-#define NETIO_MIN_RECEIVE_PKTS 16
-
-/** Lower bound on the maximum number of receive packets; may be higher
- than this on some interfaces. */
-#define NETIO_MAX_RECEIVE_PKTS 128
-
-/** Maximum number of send buffers, per packet size. */
-#define NETIO_MAX_SEND_BUFFERS 16
-
-/** Number of EPP queue slots, and thus outstanding sends, per EPP. */
-#define NETIO_TOTAL_SENDS_OUTSTANDING 2015
-
-/** Minimum number of EPP queue slots, and thus outstanding sends, per
- * transmitting tile. */
-#define NETIO_MIN_SENDS_OUTSTANDING 16
-
-
-/**@}*/
-
-#ifndef __DOXYGEN__
-
-/**
- * An object for providing Ethernet packets to a process.
- */
-struct __netio_queue_impl_t;
-
-/**
- * An object for managing the user end of a NetIO queue.
- */
-struct __netio_queue_user_impl_t;
-
-#endif /* !__DOXYGEN__ */
-
-
-/** A netio_queue_t describes a NetIO communications endpoint.
- * @ingroup setup
- */
-typedef struct
-{
-#ifdef __DOXYGEN__
- uint8_t opaque[8]; /**< This is an opaque structure. */
-#else
- struct __netio_queue_impl_t* __system_part; /**< The system part. */
- struct __netio_queue_user_impl_t* __user_part; /**< The user part. */
-#ifdef _NETIO_PTHREAD
- _netio_percpu_mutex_t lock; /**< Queue lock. */
-#endif
-#endif
-}
-netio_queue_t;
-
-
-/**
- * @brief Packet send context.
- *
- * @ingroup egress
- *
- * Packet send context for use with netio_send_packet_prepare and _commit.
- */
-typedef struct
-{
-#ifdef __DOXYGEN__
- uint8_t opaque[44]; /**< This is an opaque structure. */
-#else
- uint8_t flags; /**< Defined below */
- uint8_t datalen; /**< Number of valid words pointed to by data. */
- uint32_t request[9]; /**< Request to be sent to the EPP or shim. Note
- that this is smaller than the 11-word maximum
- request size, since some constant values are
- not saved in the context. */
- uint32_t *data; /**< Data to be sent to the EPP or shim via IDN. */
-#endif
-}
-netio_send_pkt_context_t;
-
-
-#ifndef __DOXYGEN__
-#define SEND_PKT_CTX_USE_EPP 1 /**< We're sending to an EPP. */
-#define SEND_PKT_CTX_SEND_CSUM 2 /**< Request includes a checksum. */
-#endif
-
-/**
- * @brief Packet vector entry.
- *
- * @ingroup egress
- *
- * This data structure is used with netio_send_packet_vector() to send multiple
- * packets with one NetIO call. The structure should be initialized by
- * calling netio_pkt_vector_set(), rather than by setting the fields
- * directly.
- *
- * This structure is guaranteed to be a power of two in size, no
- * bigger than one L2 cache line, and to be aligned modulo its size.
- */
-typedef struct
-#ifndef __DOXYGEN__
-__attribute__((aligned(8)))
-#endif
-{
- /** Reserved for use by the user application. When initialized with
- * the netio_set_pkt_vector_entry() function, this field is guaranteed
- * to be visible to readers only after all other fields are already
- * visible. This way it can be used as a valid flag or generation
- * counter. */
- uint8_t user_data;
-
- /* Structure members below this point should not be accessed directly by
- * applications, as they may change in the future. */
-
- /** Low 8 bits of the packet address to send. The high bits are
- * acquired from the 'handle' field. */
- uint8_t buffer_address_low;
-
- /** Number of bytes to transmit. */
- uint16_t size;
-
- /** The raw handle from a netio_pkt_t. If this is NETIO_PKT_HANDLE_NONE,
- * this vector entry will be skipped and no packet will be transmitted. */
- netio_pkt_handle_t handle;
-}
-netio_pkt_vector_entry_t;
-
-
-/**
- * @brief Initialize fields in a packet vector entry.
- *
- * @ingroup egress
- *
- * @param[out] v Pointer to the vector entry to be initialized.
- * @param[in] pkt Packet to be transmitted when the vector entry is passed to
- * netio_send_packet_vector(). Note that the packet's attributes
- * (e.g., its L2 offset and length) are captured at the time this
- * routine is called; subsequent changes in those attributes will not
- * be reflected in the packet which is actually transmitted.
- * Changes in the packet's contents, however, will be so reflected.
- * If this is NULL, no packet will be transmitted.
- * @param[in] user_data User data to be set in the vector entry.
- * This function guarantees that the "user_data" field will become
- * visible to a reader only after all other fields have become visible.
- * This allows a structure in a ring buffer to be written and read
- * by a polling reader without any locks or other synchronization.
- */
-static __inline void
-netio_pkt_vector_set(volatile netio_pkt_vector_entry_t* v, netio_pkt_t* pkt,
- uint8_t user_data)
-{
- if (pkt)
- {
- if (NETIO_PKT_IS_MINIMAL(pkt))
- {
- netio_pkt_minimal_metadata_t* mmd =
- (netio_pkt_minimal_metadata_t*) &pkt->__metadata;
- v->buffer_address_low = (uintptr_t) NETIO_PKT_L2_DATA_MM(mmd, pkt) & 0xFF;
- v->size = NETIO_PKT_L2_LENGTH_MM(mmd, pkt);
- }
- else
- {
- netio_pkt_metadata_t* mda = &pkt->__metadata;
- v->buffer_address_low = (uintptr_t) NETIO_PKT_L2_DATA_M(mda, pkt) & 0xFF;
- v->size = NETIO_PKT_L2_LENGTH_M(mda, pkt);
- }
- v->handle.word = pkt->__packet.word;
- }
- else
- {
- v->handle.word = 0; /* Set handle to NETIO_PKT_HANDLE_NONE. */
- }
-
- __asm__("" : : : "memory");
-
- v->user_data = user_data;
-}
-
-
-/**
- * Flags and structures for @ref netio_get() and @ref netio_set().
- * @ingroup config
- */
-
-/** @{ */
-/** Parameter class; addr is a NETIO_PARAM_xxx value. */
-#define NETIO_PARAM 0
-/** Interface MAC address. This address is only valid with @ref netio_get().
- * The value is a 6-byte MAC address. Depending upon the overall system
- * design, a MAC address may or may not be available for each interface. */
-#define NETIO_PARAM_MAC 0
-
-/** Determine whether to suspend output on the receipt of pause frames.
- * If the value is nonzero, the I/O shim will suspend output when a pause
- * frame is received. If the value is zero, pause frames will be ignored. */
-#define NETIO_PARAM_PAUSE_IN 1
-
-/** Determine whether to send pause frames if the I/O shim packet FIFOs are
- * nearly full. If the value is zero, pause frames are not sent. If
- * the value is nonzero, it is the delay value which will be sent in any
- * pause frames which are output, in units of 512 bit times. */
-#define NETIO_PARAM_PAUSE_OUT 2
-
-/** Jumbo frame support. The value is a 4-byte integer. If the value is
- * nonzero, the MAC will accept frames of up to 10240 bytes. If the value
- * is zero, the MAC will only accept frames of up to 1544 bytes. */
-#define NETIO_PARAM_JUMBO 3
-
-/** I/O shim's overflow statistics register. The value is two 16-bit integers.
- * The first 16-bit value (or the low 16 bits, if the value is treated as a
- * 32-bit number) is the count of packets which were completely dropped and
- * not delivered by the shim. The second 16-bit value (or the high 16 bits,
- * if the value is treated as a 32-bit number) is the count of packets
- * which were truncated and thus only partially delivered by the shim. This
- * register is automatically reset to zero after it has been read.
- */
-#define NETIO_PARAM_OVERFLOW 4
-
-/** IPP statistics. This address is only valid with @ref netio_get(). The
- * value is a netio_stat_t structure. Unlike the I/O shim statistics, the
- * IPP statistics are not all reset to zero on read; see the description
- * of the netio_stat_t for details. */
-#define NETIO_PARAM_STAT 5
-
-/** Possible link state. The value is a combination of "NETIO_LINK_xxx"
- * flags. With @ref netio_get(), this will indicate which flags are
- * actually supported by the hardware.
- *
- * For historical reasons, specifying this value to netio_set() will have
- * the same behavior as using ::NETIO_PARAM_LINK_CONFIG, but this usage is
- * discouraged.
- */
-#define NETIO_PARAM_LINK_POSSIBLE_STATE 6
-
-/** Link configuration. The value is a combination of "NETIO_LINK_xxx" flags.
- * With @ref netio_set(), this will attempt to immediately bring up the
- * link using whichever of the requested flags are supported by the
- * hardware, or take down the link if the flags are zero; if this is
- * not possible, an error will be returned. Many programs will want
- * to use ::NETIO_PARAM_LINK_DESIRED_STATE instead.
- *
- * For historical reasons, specifying this value to netio_get() will
- * have the same behavior as using ::NETIO_PARAM_LINK_POSSIBLE_STATE,
- * but this usage is discouraged.
- */
-#define NETIO_PARAM_LINK_CONFIG NETIO_PARAM_LINK_POSSIBLE_STATE
-
-/** Current link state. This address is only valid with @ref netio_get().
- * The value is zero or more of the "NETIO_LINK_xxx" flags, ORed together.
- * If the link is down, the value ANDed with NETIO_LINK_SPEED will be
- * zero; if the link is up, the value ANDed with NETIO_LINK_SPEED will
- * result in exactly one of the NETIO_LINK_xxx values, indicating the
- * current speed. */
-#define NETIO_PARAM_LINK_CURRENT_STATE 7
-
-/** Variant symbol for current state, retained for compatibility with
- * pre-MDE-2.1 programs. */
-#define NETIO_PARAM_LINK_STATUS NETIO_PARAM_LINK_CURRENT_STATE
-
-/** Packet Coherence protocol. This address is only valid with @ref netio_get().
- * The value is nonzero if the interface is configured for cache-coherent DMA.
- */
-#define NETIO_PARAM_COHERENT 8
-
-/** Desired link state. The value is a conbination of "NETIO_LINK_xxx"
- * flags, which specify the desired state for the link. With @ref
- * netio_set(), this will, in the background, attempt to bring up the link
- * using whichever of the requested flags are reasonable, or take down the
- * link if the flags are zero. The actual link up or down operation may
- * happen after this call completes. If the link state changes in the
- * future, the system will continue to try to get back to the desired link
- * state; for instance, if the link is brought up successfully, and then
- * the network cable is disconnected, the link will go down. However, the
- * desired state of the link is still up, so if the cable is reconnected,
- * the link will be brought up again.
- *
- * With @ref netio_get(), this will indicate the desired state for the
- * link, as set with a previous netio_set() call, or implicitly by a
- * netio_input_register() or netio_input_unregister() operation. This may
- * not reflect the current state of the link; to get that, use
- * ::NETIO_PARAM_LINK_CURRENT_STATE. */
-#define NETIO_PARAM_LINK_DESIRED_STATE 9
-
-/** NetIO statistics structure. Retrieved using the ::NETIO_PARAM_STAT
- * address passed to @ref netio_get(). */
-typedef struct
-{
- /** Number of packets which have been received by the IPP and forwarded
- * to a tile's receive queue for processing. This value wraps at its
- * maximum, and is not cleared upon read. */
- uint32_t packets_received;
-
- /** Number of packets which have been dropped by the IPP, because they could
- * not be received, or could not be forwarded to a tile. The former happens
- * when the IPP does not have a free packet buffer of suitable size for an
- * incoming frame. The latter happens when all potential destination tiles
- * for a packet, as defined by the group, bucket, and queue configuration,
- * have full receive queues. This value wraps at its maximum, and is not
- * cleared upon read. */
- uint32_t packets_dropped;
-
- /*
- * Note: the #defines after each of the following four one-byte values
- * denote their location within the third word of the netio_stat_t. They
- * are intended for use only by the IPP implementation and are thus omitted
- * from the Doxygen output.
- */
-
- /** Number of packets dropped because no worker was able to accept a new
- * packet. This value saturates at its maximum, and is cleared upon
- * read. */
- uint8_t drops_no_worker;
-#ifndef __DOXYGEN__
-#define NETIO_STAT_DROPS_NO_WORKER 0
-#endif
-
- /** Number of packets dropped because no small buffers were available.
- * This value saturates at its maximum, and is cleared upon read. */
- uint8_t drops_no_smallbuf;
-#ifndef __DOXYGEN__
-#define NETIO_STAT_DROPS_NO_SMALLBUF 1
-#endif
-
- /** Number of packets dropped because no large buffers were available.
- * This value saturates at its maximum, and is cleared upon read. */
- uint8_t drops_no_largebuf;
-#ifndef __DOXYGEN__
-#define NETIO_STAT_DROPS_NO_LARGEBUF 2
-#endif
-
- /** Number of packets dropped because no jumbo buffers were available.
- * This value saturates at its maximum, and is cleared upon read. */
- uint8_t drops_no_jumbobuf;
-#ifndef __DOXYGEN__
-#define NETIO_STAT_DROPS_NO_JUMBOBUF 3
-#endif
-}
-netio_stat_t;
-
-
-/** Link can run, should run, or is running at 10 Mbps. */
-#define NETIO_LINK_10M 0x01
-
-/** Link can run, should run, or is running at 100 Mbps. */
-#define NETIO_LINK_100M 0x02
-
-/** Link can run, should run, or is running at 1 Gbps. */
-#define NETIO_LINK_1G 0x04
-
-/** Link can run, should run, or is running at 10 Gbps. */
-#define NETIO_LINK_10G 0x08
-
-/** Link should run at the highest speed supported by the link and by
- * the device connected to the link. Only usable as a value for
- * the link's desired state; never returned as a value for the current
- * or possible states. */
-#define NETIO_LINK_ANYSPEED 0x10
-
-/** All legal link speeds. */
-#define NETIO_LINK_SPEED (NETIO_LINK_10M | \
- NETIO_LINK_100M | \
- NETIO_LINK_1G | \
- NETIO_LINK_10G | \
- NETIO_LINK_ANYSPEED)
-
-
-/** MAC register class. Addr is a register offset within the MAC.
- * Registers within the XGbE and GbE MACs are documented in the Tile
- * Processor I/O Device Guide (UG104). MAC registers start at address
- * 0x4000, and do not include the MAC_INTERFACE registers. */
-#define NETIO_MAC 1
-
-/** MDIO register class (IEEE 802.3 clause 22 format). Addr is the "addr"
- * member of a netio_mdio_addr_t structure. */
-#define NETIO_MDIO 2
-
-/** MDIO register class (IEEE 802.3 clause 45 format). Addr is the "addr"
- * member of a netio_mdio_addr_t structure. */
-#define NETIO_MDIO_CLAUSE45 3
-
-/** NetIO MDIO address type. Retrieved or provided using the ::NETIO_MDIO
- * address passed to @ref netio_get() or @ref netio_set(). */
-typedef union
-{
- struct
- {
- unsigned int reg:16; /**< MDIO register offset. For clause 22 access,
- must be less than 32. */
- unsigned int phy:5; /**< Which MDIO PHY to access. */
- unsigned int dev:5; /**< Which MDIO device to access within that PHY.
- Applicable for clause 45 access only; ignored
- for clause 22 access. */
- }
- bits; /**< Container for bitfields. */
- uint64_t addr; /**< Value to pass to @ref netio_get() or
- * @ref netio_set(). */
-}
-netio_mdio_addr_t;
-
-/** @} */
-
-#endif /* __NETIO_INTF_H__ */
diff --git a/trunk/arch/tile/kernel/Makefile b/trunk/arch/tile/kernel/Makefile
index b4c8e8ec45dc..112b1e248f05 100644
--- a/trunk/arch/tile/kernel/Makefile
+++ b/trunk/arch/tile/kernel/Makefile
@@ -15,4 +15,3 @@ obj-$(CONFIG_SMP) += smpboot.o smp.o tlb.o
obj-$(CONFIG_MODULES) += module.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o
-obj-$(CONFIG_PCI) += pci.o
diff --git a/trunk/arch/tile/kernel/compat.c b/trunk/arch/tile/kernel/compat.c
index dbc213adf5e1..67617a05e602 100644
--- a/trunk/arch/tile/kernel/compat.c
+++ b/trunk/arch/tile/kernel/compat.c
@@ -21,6 +21,7 @@
#include
#include
#include
+#include
#include
#include
#include
diff --git a/trunk/arch/tile/kernel/compat_signal.c b/trunk/arch/tile/kernel/compat_signal.c
index 543d6a33aa26..fb64b99959d4 100644
--- a/trunk/arch/tile/kernel/compat_signal.c
+++ b/trunk/arch/tile/kernel/compat_signal.c
@@ -15,6 +15,7 @@
#include
#include
#include
+#include
#include
#include
#include
diff --git a/trunk/arch/tile/kernel/pci.c b/trunk/arch/tile/kernel/pci.c
deleted file mode 100644
index a1ee25be9ad9..000000000000
--- a/trunk/arch/tile/kernel/pci.c
+++ /dev/null
@@ -1,621 +0,0 @@
-/*
- * Copyright 2010 Tilera Corporation. All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, version 2.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
- * NON INFRINGEMENT. See the GNU General Public License for
- * more details.
- */
-
-#include
-#include
-#include
-#include
-#include
-#include
-#include
-#include
-#include
-#include
-#include
-#include
-
-#include
-#include
-#include
-#include
-#include
-
-
-/*
- * Initialization flow and process
- * -------------------------------
- *
- * This files containes the routines to search for PCI buses,
- * enumerate the buses, and configure any attached devices.
- *
- * There are two entry points here:
- * 1) tile_pci_init
- * This sets up the pci_controller structs, and opens the
- * FDs to the hypervisor. This is called from setup_arch() early
- * in the boot process.
- * 2) pcibios_init
- * This probes the PCI bus(es) for any attached hardware. It's
- * called by subsys_initcall. All of the real work is done by the
- * generic Linux PCI layer.
- *
- */
-
-/*
- * This flag tells if the platform is TILEmpower that needs
- * special configuration for the PLX switch chip.
- */
-int __write_once tile_plx_gen1;
-
-static struct pci_controller controllers[TILE_NUM_PCIE];
-static int num_controllers;
-
-static struct pci_ops tile_cfg_ops;
-
-
-/*
- * We don't need to worry about the alignment of resources.
- */
-resource_size_t pcibios_align_resource(void *data, const struct resource *res,
- resource_size_t size, resource_size_t align)
-{
- return res->start;
-}
-EXPORT_SYMBOL(pcibios_align_resource);
-
-/*
- * Open a FD to the hypervisor PCI device.
- *
- * controller_id is the controller number, config type is 0 or 1 for
- * config0 or config1 operations.
- */
-static int __init tile_pcie_open(int controller_id, int config_type)
-{
- char filename[32];
- int fd;
-
- sprintf(filename, "pcie/%d/config%d", controller_id, config_type);
-
- fd = hv_dev_open((HV_VirtAddr)filename, 0);
-
- return fd;
-}
-
-
-/*
- * Get the IRQ numbers from the HV and set up the handlers for them.
- */
-static int __init tile_init_irqs(int controller_id,
- struct pci_controller *controller)
-{
- char filename[32];
- int fd;
- int ret;
- int x;
- struct pcie_rc_config rc_config;
-
- sprintf(filename, "pcie/%d/ctl", controller_id);
- fd = hv_dev_open((HV_VirtAddr)filename, 0);
- if (fd < 0) {
- pr_err("PCI: hv_dev_open(%s) failed\n", filename);
- return -1;
- }
- ret = hv_dev_pread(fd, 0, (HV_VirtAddr)(&rc_config),
- sizeof(rc_config), PCIE_RC_CONFIG_MASK_OFF);
- hv_dev_close(fd);
- if (ret != sizeof(rc_config)) {
- pr_err("PCI: wanted %zd bytes, got %d\n",
- sizeof(rc_config), ret);
- return -1;
- }
- /* Record irq_base so that we can map INTx to IRQ # later. */
- controller->irq_base = rc_config.intr;
-
- for (x = 0; x < 4; x++)
- tile_irq_activate(rc_config.intr + x,
- TILE_IRQ_HW_CLEAR);
-
- if (rc_config.plx_gen1)
- controller->plx_gen1 = 1;
-
- return 0;
-}
-
-/*
- * First initialization entry point, called from setup_arch().
- *
- * Find valid controllers and fill in pci_controller structs for each
- * of them.
- *
- * Returns the number of controllers discovered.
- */
-int __init tile_pci_init(void)
-{
- int i;
-
- pr_info("PCI: Searching for controllers...\n");
-
- /* Do any configuration we need before using the PCIe */
-
- for (i = 0; i < TILE_NUM_PCIE; i++) {
- int hv_cfg_fd0 = -1;
- int hv_cfg_fd1 = -1;
- int hv_mem_fd = -1;
- char name[32];
- struct pci_controller *controller;
-
- /*
- * Open the fd to the HV. If it fails then this
- * device doesn't exist.
- */
- hv_cfg_fd0 = tile_pcie_open(i, 0);
- if (hv_cfg_fd0 < 0)
- continue;
- hv_cfg_fd1 = tile_pcie_open(i, 1);
- if (hv_cfg_fd1 < 0) {
- pr_err("PCI: Couldn't open config fd to HV "
- "for controller %d\n", i);
- goto err_cont;
- }
-
- sprintf(name, "pcie/%d/mem", i);
- hv_mem_fd = hv_dev_open((HV_VirtAddr)name, 0);
- if (hv_mem_fd < 0) {
- pr_err("PCI: Could not open mem fd to HV!\n");
- goto err_cont;
- }
-
- pr_info("PCI: Found PCI controller #%d\n", i);
-
- controller = &controllers[num_controllers];
-
- if (tile_init_irqs(i, controller)) {
- pr_err("PCI: Could not initialize "
- "IRQs, aborting.\n");
- goto err_cont;
- }
-
- controller->index = num_controllers;
- controller->hv_cfg_fd[0] = hv_cfg_fd0;
- controller->hv_cfg_fd[1] = hv_cfg_fd1;
- controller->hv_mem_fd = hv_mem_fd;
- controller->first_busno = 0;
- controller->last_busno = 0xff;
- controller->ops = &tile_cfg_ops;
-
- num_controllers++;
- continue;
-
-err_cont:
- if (hv_cfg_fd0 >= 0)
- hv_dev_close(hv_cfg_fd0);
- if (hv_cfg_fd1 >= 0)
- hv_dev_close(hv_cfg_fd1);
- if (hv_mem_fd >= 0)
- hv_dev_close(hv_mem_fd);
- continue;
- }
-
- /*
- * Before using the PCIe, see if we need to do any platform-specific
- * configuration, such as the PLX switch Gen 1 issue on TILEmpower.
- */
- for (i = 0; i < num_controllers; i++) {
- struct pci_controller *controller = &controllers[i];
-
- if (controller->plx_gen1)
- tile_plx_gen1 = 1;
- }
-
- return num_controllers;
-}
-
-/*
- * (pin - 1) converts from the PCI standard's [1:4] convention to
- * a normal [0:3] range.
- */
-static int tile_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
-{
- struct pci_controller *controller =
- (struct pci_controller *)dev->sysdata;
- return (pin - 1) + controller->irq_base;
-}
-
-
-static void __init fixup_read_and_payload_sizes(void)
-{
- struct pci_dev *dev = NULL;
- int smallest_max_payload = 0x1; /* Tile maxes out at 256 bytes. */
- int max_read_size = 0x2; /* Limit to 512 byte reads. */
- u16 new_values;
-
- /* Scan for the smallest maximum payload size. */
- while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
- int pcie_caps_offset;
- u32 devcap;
- int max_payload;
-
- pcie_caps_offset = pci_find_capability(dev, PCI_CAP_ID_EXP);
- if (pcie_caps_offset == 0)
- continue;
-
- pci_read_config_dword(dev, pcie_caps_offset + PCI_EXP_DEVCAP,
- &devcap);
- max_payload = devcap & PCI_EXP_DEVCAP_PAYLOAD;
- if (max_payload < smallest_max_payload)
- smallest_max_payload = max_payload;
- }
-
- /* Now, set the max_payload_size for all devices to that value. */
- new_values = (max_read_size << 12) | (smallest_max_payload << 5);
- while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
- int pcie_caps_offset;
- u16 devctl;
-
- pcie_caps_offset = pci_find_capability(dev, PCI_CAP_ID_EXP);
- if (pcie_caps_offset == 0)
- continue;
-
- pci_read_config_word(dev, pcie_caps_offset + PCI_EXP_DEVCTL,
- &devctl);
- devctl &= ~(PCI_EXP_DEVCTL_PAYLOAD | PCI_EXP_DEVCTL_READRQ);
- devctl |= new_values;
- pci_write_config_word(dev, pcie_caps_offset + PCI_EXP_DEVCTL,
- devctl);
- }
-}
-
-
-/*
- * Second PCI initialization entry point, called by subsys_initcall.
- *
- * The controllers have been set up by the time we get here, by a call to
- * tile_pci_init.
- */
-static int __init pcibios_init(void)
-{
- int i;
-
- pr_info("PCI: Probing PCI hardware\n");
-
- /*
- * Delay a bit in case devices aren't ready. Some devices are
- * known to require at least 20ms here, but we use a more
- * conservative value.
- */
- mdelay(250);
-
- /* Scan all of the recorded PCI controllers. */
- for (i = 0; i < num_controllers; i++) {
- struct pci_controller *controller = &controllers[i];
- struct pci_bus *bus;
-
- pr_info("PCI: initializing controller #%d\n", i);
-
- /*
- * This comes from the generic Linux PCI driver.
- *
- * It reads the PCI tree for this bus into the Linux
- * data structures.
- *
- * This is inlined in linux/pci.h and calls into
- * pci_scan_bus_parented() in probe.c.
- */
- bus = pci_scan_bus(0, controller->ops, controller);
- controller->root_bus = bus;
- controller->last_busno = bus->subordinate;
-
- }
-
- /* Do machine dependent PCI interrupt routing */
- pci_fixup_irqs(pci_common_swizzle, tile_map_irq);
-
- /*
- * This comes from the generic Linux PCI driver.
- *
- * It allocates all of the resources (I/O memory, etc)
- * associated with the devices read in above.
- */
-
- pci_assign_unassigned_resources();
-
- /* Configure the max_read_size and max_payload_size values. */
- fixup_read_and_payload_sizes();
-
- /* Record the I/O resources in the PCI controller structure. */
- for (i = 0; i < num_controllers; i++) {
- struct pci_bus *root_bus = controllers[i].root_bus;
- struct pci_bus *next_bus;
- struct pci_dev *dev;
-
- list_for_each_entry(dev, &root_bus->devices, bus_list) {
- /* Find the PCI host controller, ie. the 1st bridge. */
- if ((dev->class >> 8) == PCI_CLASS_BRIDGE_PCI &&
- (PCI_SLOT(dev->devfn) == 0)) {
- next_bus = dev->subordinate;
- controllers[i].mem_resources[0] =
- *next_bus->resource[0];
- controllers[i].mem_resources[1] =
- *next_bus->resource[1];
- controllers[i].mem_resources[2] =
- *next_bus->resource[2];
-
- break;
- }
- }
-
- }
-
- return 0;
-}
-subsys_initcall(pcibios_init);
-
-/*
- * No bus fixups needed.
- */
-void __devinit pcibios_fixup_bus(struct pci_bus *bus)
-{
- /* Nothing needs to be done. */
-}
-
-/*
- * This can be called from the generic PCI layer, but doesn't need to
- * do anything.
- */
-char __devinit *pcibios_setup(char *str)
-{
- /* Nothing needs to be done. */
- return str;
-}
-
-/*
- * This is called from the generic Linux layer.
- */
-void __init pcibios_update_irq(struct pci_dev *dev, int irq)
-{
- pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
-}
-
-/*
- * Enable memory and/or address decoding, as appropriate, for the
- * device described by the 'dev' struct.
- *
- * This is called from the generic PCI layer, and can be called
- * for bridges or endpoints.
- */
-int pcibios_enable_device(struct pci_dev *dev, int mask)
-{
- u16 cmd, old_cmd;
- u8 header_type;
- int i;
- struct resource *r;
-
- pci_read_config_byte(dev, PCI_HEADER_TYPE, &header_type);
-
- pci_read_config_word(dev, PCI_COMMAND, &cmd);
- old_cmd = cmd;
- if ((header_type & 0x7F) == PCI_HEADER_TYPE_BRIDGE) {
- /*
- * For bridges, we enable both memory and I/O decoding
- * in call cases.
- */
- cmd |= PCI_COMMAND_IO;
- cmd |= PCI_COMMAND_MEMORY;
- } else {
- /*
- * For endpoints, we enable memory and/or I/O decoding
- * only if they have a memory resource of that type.
- */
- for (i = 0; i < 6; i++) {
- r = &dev->resource[i];
- if (r->flags & IORESOURCE_UNSET) {
- pr_err("PCI: Device %s not available "
- "because of resource collisions\n",
- pci_name(dev));
- return -EINVAL;
- }
- if (r->flags & IORESOURCE_IO)
- cmd |= PCI_COMMAND_IO;
- if (r->flags & IORESOURCE_MEM)
- cmd |= PCI_COMMAND_MEMORY;
- }
- }
-
- /*
- * We only write the command if it changed.
- */
- if (cmd != old_cmd)
- pci_write_config_word(dev, PCI_COMMAND, cmd);
- return 0;
-}
-
-void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max)
-{
- unsigned long start = pci_resource_start(dev, bar);
- unsigned long len = pci_resource_len(dev, bar);
- unsigned long flags = pci_resource_flags(dev, bar);
-
- if (!len)
- return NULL;
- if (max && len > max)
- len = max;
-
- if (!(flags & IORESOURCE_MEM)) {
- pr_info("PCI: Trying to map invalid resource %#lx\n", flags);
- start = 0;
- }
-
- return (void __iomem *)start;
-}
-EXPORT_SYMBOL(pci_iomap);
-
-
-/****************************************************************
- *
- * Tile PCI config space read/write routines
- *
- ****************************************************************/
-
-/*
- * These are the normal read and write ops
- * These are expanded with macros from pci_bus_read_config_byte() etc.
- *
- * devfn is the combined PCI slot & function.
- *
- * offset is in bytes, from the start of config space for the
- * specified bus & slot.
- */
-
-static int __devinit tile_cfg_read(struct pci_bus *bus,
- unsigned int devfn,
- int offset,
- int size,
- u32 *val)
-{
- struct pci_controller *controller = bus->sysdata;
- int busnum = bus->number & 0xff;
- int slot = (devfn >> 3) & 0x1f;
- int function = devfn & 0x7;
- u32 addr;
- int config_mode = 1;
-
- /*
- * There is no bridge between the Tile and bus 0, so we
- * use config0 to talk to bus 0.
- *
- * If we're talking to a bus other than zero then we
- * must have found a bridge.
- */
- if (busnum == 0) {
- /*
- * We fake an empty slot for (busnum == 0) && (slot > 0),
- * since there is only one slot on bus 0.
- */
- if (slot) {
- *val = 0xFFFFFFFF;
- return 0;
- }
- config_mode = 0;
- }
-
- addr = busnum << 20; /* Bus in 27:20 */
- addr |= slot << 15; /* Slot (device) in 19:15 */
- addr |= function << 12; /* Function is in 14:12 */
- addr |= (offset & 0xFFF); /* byte address in 0:11 */
-
- return hv_dev_pread(controller->hv_cfg_fd[config_mode], 0,
- (HV_VirtAddr)(val), size, addr);
-}
-
-
-/*
- * See tile_cfg_read() for relevent comments.
- * Note that "val" is the value to write, not a pointer to that value.
- */
-static int __devinit tile_cfg_write(struct pci_bus *bus,
- unsigned int devfn,
- int offset,
- int size,
- u32 val)
-{
- struct pci_controller *controller = bus->sysdata;
- int busnum = bus->number & 0xff;
- int slot = (devfn >> 3) & 0x1f;
- int function = devfn & 0x7;
- u32 addr;
- int config_mode = 1;
- HV_VirtAddr valp = (HV_VirtAddr)&val;
-
- /*
- * For bus 0 slot 0 we use config 0 accesses.
- */
- if (busnum == 0) {
- /*
- * We fake an empty slot for (busnum == 0) && (slot > 0),
- * since there is only one slot on bus 0.
- */
- if (slot)
- return 0;
- config_mode = 0;
- }
-
- addr = busnum << 20; /* Bus in 27:20 */
- addr |= slot << 15; /* Slot (device) in 19:15 */
- addr |= function << 12; /* Function is in 14:12 */
- addr |= (offset & 0xFFF); /* byte address in 0:11 */
-
-#ifdef __BIG_ENDIAN
- /* Point to the correct part of the 32-bit "val". */
- valp += 4 - size;
-#endif
-
- return hv_dev_pwrite(controller->hv_cfg_fd[config_mode], 0,
- valp, size, addr);
-}
-
-
-static struct pci_ops tile_cfg_ops = {
- .read = tile_cfg_read,
- .write = tile_cfg_write,
-};
-
-
-/*
- * In the following, each PCI controller's mem_resources[1]
- * represents its (non-prefetchable) PCI memory resource.
- * mem_resources[0] and mem_resources[2] refer to its PCI I/O and
- * prefetchable PCI memory resources, respectively.
- * For more details, see pci_setup_bridge() in setup-bus.c.
- * By comparing the target PCI memory address against the
- * end address of controller 0, we can determine the controller
- * that should accept the PCI memory access.
- */
-#define TILE_READ(size, type) \
-type _tile_read##size(unsigned long addr) \
-{ \
- type val; \
- int idx = 0; \
- if (addr > controllers[0].mem_resources[1].end && \
- addr > controllers[0].mem_resources[2].end) \
- idx = 1; \
- if (hv_dev_pread(controllers[idx].hv_mem_fd, 0, \
- (HV_VirtAddr)(&val), sizeof(type), addr)) \
- pr_err("PCI: read %zd bytes at 0x%lX failed\n", \
- sizeof(type), addr); \
- return val; \
-} \
-EXPORT_SYMBOL(_tile_read##size)
-
-TILE_READ(b, u8);
-TILE_READ(w, u16);
-TILE_READ(l, u32);
-TILE_READ(q, u64);
-
-#define TILE_WRITE(size, type) \
-void _tile_write##size(type val, unsigned long addr) \
-{ \
- int idx = 0; \
- if (addr > controllers[0].mem_resources[1].end && \
- addr > controllers[0].mem_resources[2].end) \
- idx = 1; \
- if (hv_dev_pwrite(controllers[idx].hv_mem_fd, 0, \
- (HV_VirtAddr)(&val), sizeof(type), addr)) \
- pr_err("PCI: write %zd bytes at 0x%lX failed\n", \
- sizeof(type), addr); \
-} \
-EXPORT_SYMBOL(_tile_write##size)
-
-TILE_WRITE(b, u8);
-TILE_WRITE(w, u16);
-TILE_WRITE(l, u32);
-TILE_WRITE(q, u64);
diff --git a/trunk/arch/tile/kernel/setup.c b/trunk/arch/tile/kernel/setup.c
index f18573643ed1..fb0b3cbeae14 100644
--- a/trunk/arch/tile/kernel/setup.c
+++ b/trunk/arch/tile/kernel/setup.c
@@ -840,7 +840,7 @@ static int __init topology_init(void)
for_each_online_node(i)
register_one_node(i);
- for (i = 0; i < smp_height * smp_width; ++i)
+ for_each_present_cpu(i)
register_cpu(&cpu_devices[i], i);
return 0;
diff --git a/trunk/arch/tile/kernel/signal.c b/trunk/arch/tile/kernel/signal.c
index 757407e36696..687719d4abd1 100644
--- a/trunk/arch/tile/kernel/signal.c
+++ b/trunk/arch/tile/kernel/signal.c
@@ -16,6 +16,7 @@
#include
#include
#include
+#include
#include
#include
#include
diff --git a/trunk/arch/tile/kernel/smpboot.c b/trunk/arch/tile/kernel/smpboot.c
index b949edcec200..74d62d098edf 100644
--- a/trunk/arch/tile/kernel/smpboot.c
+++ b/trunk/arch/tile/kernel/smpboot.c
@@ -18,6 +18,7 @@
#include
#include
#include
+#include
#include
#include
#include
diff --git a/trunk/arch/tile/kernel/sys.c b/trunk/arch/tile/kernel/sys.c
index e2187d24a9b4..7e764669a022 100644
--- a/trunk/arch/tile/kernel/sys.c
+++ b/trunk/arch/tile/kernel/sys.c
@@ -20,6 +20,7 @@
#include
#include
#include
+#include
#include
#include
#include
diff --git a/trunk/arch/tile/lib/memchr_32.c b/trunk/arch/tile/lib/memchr_32.c
index cc3d9badf030..6235283b4859 100644
--- a/trunk/arch/tile/lib/memchr_32.c
+++ b/trunk/arch/tile/lib/memchr_32.c
@@ -18,24 +18,12 @@
void *memchr(const void *s, int c, size_t n)
{
- const uint32_t *last_word_ptr;
- const uint32_t *p;
- const char *last_byte_ptr;
- uintptr_t s_int;
- uint32_t goal, before_mask, v, bits;
- char *ret;
-
- if (__builtin_expect(n == 0, 0)) {
- /* Don't dereference any memory if the array is empty. */
- return NULL;
- }
-
/* Get an aligned pointer. */
- s_int = (uintptr_t) s;
- p = (const uint32_t *)(s_int & -4);
+ const uintptr_t s_int = (uintptr_t) s;
+ const uint32_t *p = (const uint32_t *)(s_int & -4);
/* Create four copies of the byte for which we are looking. */
- goal = 0x01010101 * (uint8_t) c;
+ const uint32_t goal = 0x01010101 * (uint8_t) c;
/* Read the first word, but munge it so that bytes before the array
* will not match goal.
@@ -43,14 +31,23 @@ void *memchr(const void *s, int c, size_t n)
* Note that this shift count expression works because we know
* shift counts are taken mod 32.
*/
- before_mask = (1 << (s_int << 3)) - 1;
- v = (*p | before_mask) ^ (goal & before_mask);
+ const uint32_t before_mask = (1 << (s_int << 3)) - 1;
+ uint32_t v = (*p | before_mask) ^ (goal & before_mask);
/* Compute the address of the last byte. */
- last_byte_ptr = (const char *)s + n - 1;
+ const char *const last_byte_ptr = (const char *)s + n - 1;
/* Compute the address of the word containing the last byte. */
- last_word_ptr = (const uint32_t *)((uintptr_t) last_byte_ptr & -4);
+ const uint32_t *const last_word_ptr =
+ (const uint32_t *)((uintptr_t) last_byte_ptr & -4);
+
+ uint32_t bits;
+ char *ret;
+
+ if (__builtin_expect(n == 0, 0)) {
+ /* Don't dereference any memory if the array is empty. */
+ return NULL;
+ }
while ((bits = __insn_seqb(v, goal)) == 0) {
if (__builtin_expect(p == last_word_ptr, 0)) {
diff --git a/trunk/arch/tile/lib/spinlock_32.c b/trunk/arch/tile/lib/spinlock_32.c
index 5cd1c4004eca..485e24d62c6b 100644
--- a/trunk/arch/tile/lib/spinlock_32.c
+++ b/trunk/arch/tile/lib/spinlock_32.c
@@ -167,30 +167,23 @@ void arch_write_lock_slow(arch_rwlock_t *rwlock, u32 val)
* when we compare them.
*/
u32 my_ticket_;
- u32 iterations = 0;
- /*
- * Wait until there are no readers, then bump up the next
- * field and capture the ticket value.
- */
- for (;;) {
- if (!(val & 1)) {
- if ((val >> RD_COUNT_SHIFT) == 0)
- break;
- rwlock->lock = val;
- }
- delay_backoff(iterations++);
- val = __insn_tns((int *)&rwlock->lock);
- }
-
- /* Take out the next ticket and extract my ticket value. */
+ /* Take out the next ticket; this will also stop would-be readers. */
+ if (val & 1)
+ val = get_rwlock(rwlock);
rwlock->lock = __insn_addb(val, 1 << WR_NEXT_SHIFT);
+
+ /* Extract my ticket value from the original word. */
my_ticket_ = val >> WR_NEXT_SHIFT;
- /* Wait until the "current" field matches our ticket. */
+ /*
+ * Wait until the "current" field matches our ticket, and
+ * there are no remaining readers.
+ */
for (;;) {
u32 curr_ = val >> WR_CURR_SHIFT;
- u32 delta = ((my_ticket_ - curr_) & WR_MASK);
+ u32 readers = val >> RD_COUNT_SHIFT;
+ u32 delta = ((my_ticket_ - curr_) & WR_MASK) + !!readers;
if (likely(delta == 0))
break;
diff --git a/trunk/arch/tile/mm/fault.c b/trunk/arch/tile/mm/fault.c
index dcebfc831cd6..f295b4ac941d 100644
--- a/trunk/arch/tile/mm/fault.c
+++ b/trunk/arch/tile/mm/fault.c
@@ -24,6 +24,7 @@
#include
#include
#include
+#include
#include
#include
#include
diff --git a/trunk/arch/tile/mm/hugetlbpage.c b/trunk/arch/tile/mm/hugetlbpage.c
index 201a582c4137..24688b697a8d 100644
--- a/trunk/arch/tile/mm/hugetlbpage.c
+++ b/trunk/arch/tile/mm/hugetlbpage.c
@@ -21,6 +21,7 @@
#include
#include
#include
+#include
#include
#include
#include
diff --git a/trunk/arch/um/drivers/line.c b/trunk/arch/um/drivers/line.c
index 1664cce7b0ac..7f7338c90784 100644
--- a/trunk/arch/um/drivers/line.c
+++ b/trunk/arch/um/drivers/line.c
@@ -727,9 +727,6 @@ struct winch {
static void free_winch(struct winch *winch, int free_irq_ok)
{
- if (free_irq_ok)
- free_irq(WINCH_IRQ, winch);
-
list_del(&winch->list);
if (winch->pid != -1)
@@ -738,6 +735,8 @@ static void free_winch(struct winch *winch, int free_irq_ok)
os_close_file(winch->fd);
if (winch->stack != 0)
free_stack(winch->stack, 0);
+ if (free_irq_ok)
+ free_irq(WINCH_IRQ, winch);
kfree(winch);
}
diff --git a/trunk/arch/um/kernel/exec.c b/trunk/arch/um/kernel/exec.c
index 09bd7b585726..340268be00b5 100644
--- a/trunk/arch/um/kernel/exec.c
+++ b/trunk/arch/um/kernel/exec.c
@@ -5,6 +5,7 @@
#include "linux/stddef.h"
#include "linux/fs.h"
+#include "linux/smp_lock.h"
#include "linux/ptrace.h"
#include "linux/sched.h"
#include "linux/slab.h"
diff --git a/trunk/arch/x86/ia32/sys_ia32.c b/trunk/arch/x86/ia32/sys_ia32.c
index 5852519b2d0f..849813f398e7 100644
--- a/trunk/arch/x86/ia32/sys_ia32.c
+++ b/trunk/arch/x86/ia32/sys_ia32.c
@@ -28,6 +28,7 @@
#include
#include
#include
+#include
#include
#include
#include
diff --git a/trunk/arch/x86/include/asm/fixmap.h b/trunk/arch/x86/include/asm/fixmap.h
index 9479a037419f..4d293dced62f 100644
--- a/trunk/arch/x86/include/asm/fixmap.h
+++ b/trunk/arch/x86/include/asm/fixmap.h
@@ -216,8 +216,8 @@ static inline unsigned long virt_to_fix(const unsigned long vaddr)
}
/* Return an pointer with offset calculated */
-static __always_inline unsigned long
-__set_fixmap_offset(enum fixed_addresses idx, phys_addr_t phys, pgprot_t flags)
+static inline unsigned long __set_fixmap_offset(enum fixed_addresses idx,
+ phys_addr_t phys, pgprot_t flags)
{
__set_fixmap(idx, phys, flags);
return fix_to_virt(idx) + (phys & (PAGE_SIZE - 1));
diff --git a/trunk/arch/x86/include/asm/xen/interface.h b/trunk/arch/x86/include/asm/xen/interface.h
index 1c10c88ee4e1..e8506c1f0c55 100644
--- a/trunk/arch/x86/include/asm/xen/interface.h
+++ b/trunk/arch/x86/include/asm/xen/interface.h
@@ -61,9 +61,9 @@ DEFINE_GUEST_HANDLE(void);
#define HYPERVISOR_VIRT_START mk_unsigned_long(__HYPERVISOR_VIRT_START)
#endif
-#define MACH2PHYS_VIRT_START mk_unsigned_long(__MACH2PHYS_VIRT_START)
-#define MACH2PHYS_VIRT_END mk_unsigned_long(__MACH2PHYS_VIRT_END)
-#define MACH2PHYS_NR_ENTRIES ((MACH2PHYS_VIRT_END-MACH2PHYS_VIRT_START)>>__MACH2PHYS_SHIFT)
+#ifndef machine_to_phys_mapping
+#define machine_to_phys_mapping ((unsigned long *)HYPERVISOR_VIRT_START)
+#endif
/* Maximum number of virtual CPUs in multi-processor guests. */
#define MAX_VIRT_CPUS 32
diff --git a/trunk/arch/x86/include/asm/xen/interface_32.h b/trunk/arch/x86/include/asm/xen/interface_32.h
index 8413688b2571..42a7e004ae5c 100644
--- a/trunk/arch/x86/include/asm/xen/interface_32.h
+++ b/trunk/arch/x86/include/asm/xen/interface_32.h
@@ -32,11 +32,6 @@
/* And the trap vector is... */
#define TRAP_INSTR "int $0x82"
-#define __MACH2PHYS_VIRT_START 0xF5800000
-#define __MACH2PHYS_VIRT_END 0xF6800000
-
-#define __MACH2PHYS_SHIFT 2
-
/*
* Virtual addresses beyond this are not modifiable by guest OSes. The
* machine->physical mapping table starts at this address, read-only.
diff --git a/trunk/arch/x86/include/asm/xen/interface_64.h b/trunk/arch/x86/include/asm/xen/interface_64.h
index 839a4811cf98..100d2662b97c 100644
--- a/trunk/arch/x86/include/asm/xen/interface_64.h
+++ b/trunk/arch/x86/include/asm/xen/interface_64.h
@@ -39,7 +39,18 @@
#define __HYPERVISOR_VIRT_END 0xFFFF880000000000
#define __MACH2PHYS_VIRT_START 0xFFFF800000000000
#define __MACH2PHYS_VIRT_END 0xFFFF804000000000
-#define __MACH2PHYS_SHIFT 3
+
+#ifndef HYPERVISOR_VIRT_START
+#define HYPERVISOR_VIRT_START mk_unsigned_long(__HYPERVISOR_VIRT_START)
+#define HYPERVISOR_VIRT_END mk_unsigned_long(__HYPERVISOR_VIRT_END)
+#endif
+
+#define MACH2PHYS_VIRT_START mk_unsigned_long(__MACH2PHYS_VIRT_START)
+#define MACH2PHYS_VIRT_END mk_unsigned_long(__MACH2PHYS_VIRT_END)
+#define MACH2PHYS_NR_ENTRIES ((MACH2PHYS_VIRT_END-MACH2PHYS_VIRT_START)>>3)
+#ifndef machine_to_phys_mapping
+#define machine_to_phys_mapping ((unsigned long *)HYPERVISOR_VIRT_START)
+#endif
/*
* int HYPERVISOR_set_segment_base(unsigned int which, unsigned long base)
diff --git a/trunk/arch/x86/include/asm/xen/page.h b/trunk/arch/x86/include/asm/xen/page.h
index 8760cc60a21c..dd8c1414b3d5 100644
--- a/trunk/arch/x86/include/asm/xen/page.h
+++ b/trunk/arch/x86/include/asm/xen/page.h
@@ -5,7 +5,6 @@
#include
#include
#include
-#include
#include
#include
@@ -36,8 +35,6 @@ typedef struct xpaddr {
#define MAX_DOMAIN_PAGES \
((unsigned long)((u64)CONFIG_XEN_MAX_DOMAIN_MEMORY * 1024 * 1024 * 1024 / PAGE_SIZE))
-extern unsigned long *machine_to_phys_mapping;
-extern unsigned int machine_to_phys_order;
extern unsigned long get_phys_to_machine(unsigned long pfn);
extern bool set_phys_to_machine(unsigned long pfn, unsigned long mfn);
@@ -72,8 +69,10 @@ static inline unsigned long mfn_to_pfn(unsigned long mfn)
if (xen_feature(XENFEAT_auto_translated_physmap))
return mfn;
+#if 0
if (unlikely((mfn >> machine_to_phys_order) != 0))
- return ~0;
+ return max_mapnr;
+#endif
pfn = 0;
/*
diff --git a/trunk/arch/x86/kernel/cpuid.c b/trunk/arch/x86/kernel/cpuid.c
index 212a6a42527c..1b7b31ab7d86 100644
--- a/trunk/arch/x86/kernel/cpuid.c
+++ b/trunk/arch/x86/kernel/cpuid.c
@@ -33,6 +33,7 @@
#include
#include
#include
+#include
#include
#include
#include
diff --git a/trunk/arch/x86/kernel/kgdb.c b/trunk/arch/x86/kernel/kgdb.c
index cd21b654dec6..ec592caac4b4 100644
--- a/trunk/arch/x86/kernel/kgdb.c
+++ b/trunk/arch/x86/kernel/kgdb.c
@@ -315,18 +315,14 @@ static void kgdb_remove_all_hw_break(void)
if (!breakinfo[i].enabled)
continue;
bp = *per_cpu_ptr(breakinfo[i].pev, cpu);
- if (!bp->attr.disabled) {
- arch_uninstall_hw_breakpoint(bp);
- bp->attr.disabled = 1;
+ if (bp->attr.disabled == 1)
continue;
- }
if (dbg_is_early)
early_dr7 &= ~encode_dr7(i, breakinfo[i].len,
breakinfo[i].type);
- else if (hw_break_release_slot(i))
- printk(KERN_ERR "KGDB: hw bpt remove failed %lx\n",
- breakinfo[i].addr);
- breakinfo[i].enabled = 0;
+ else
+ arch_uninstall_hw_breakpoint(bp);
+ bp->attr.disabled = 1;
}
}
diff --git a/trunk/arch/x86/kernel/msr.c b/trunk/arch/x86/kernel/msr.c
index 12fcbe2c143e..7bf2dc4c8f70 100644
--- a/trunk/arch/x86/kernel/msr.c
+++ b/trunk/arch/x86/kernel/msr.c
@@ -30,6 +30,7 @@
#include
#include
#include
+#include
#include
#include
#include
diff --git a/trunk/arch/x86/kvm/svm.c b/trunk/arch/x86/kvm/svm.c
index 1ca12298ffc7..82e144a4e514 100644
--- a/trunk/arch/x86/kvm/svm.c
+++ b/trunk/arch/x86/kvm/svm.c
@@ -3395,7 +3395,6 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
vcpu->arch.regs[VCPU_REGS_RIP] = svm->vmcb->save.rip;
load_host_msrs(vcpu);
- kvm_load_ldt(ldt_selector);
loadsegment(fs, fs_selector);
#ifdef CONFIG_X86_64
load_gs_index(gs_selector);
@@ -3403,6 +3402,7 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
#else
loadsegment(gs, gs_selector);
#endif
+ kvm_load_ldt(ldt_selector);
reload_tss(vcpu);
diff --git a/trunk/arch/x86/kvm/vmx.c b/trunk/arch/x86/kvm/vmx.c
index ff21fdda0c53..8da0e45ff7c9 100644
--- a/trunk/arch/x86/kvm/vmx.c
+++ b/trunk/arch/x86/kvm/vmx.c
@@ -821,9 +821,10 @@ static void vmx_save_host_state(struct kvm_vcpu *vcpu)
#endif
#ifdef CONFIG_X86_64
- rdmsrl(MSR_KERNEL_GS_BASE, vmx->msr_host_kernel_gs_base);
- if (is_long_mode(&vmx->vcpu))
+ if (is_long_mode(&vmx->vcpu)) {
+ rdmsrl(MSR_KERNEL_GS_BASE, vmx->msr_host_kernel_gs_base);
wrmsrl(MSR_KERNEL_GS_BASE, vmx->msr_guest_kernel_gs_base);
+ }
#endif
for (i = 0; i < vmx->save_nmsrs; ++i)
kvm_set_shared_msr(vmx->guest_msrs[i].index,
@@ -838,23 +839,23 @@ static void __vmx_load_host_state(struct vcpu_vmx *vmx)
++vmx->vcpu.stat.host_state_reload;
vmx->host_state.loaded = 0;
-#ifdef CONFIG_X86_64
- if (is_long_mode(&vmx->vcpu))
- rdmsrl(MSR_KERNEL_GS_BASE, vmx->msr_guest_kernel_gs_base);
-#endif
+ if (vmx->host_state.fs_reload_needed)
+ loadsegment(fs, vmx->host_state.fs_sel);
if (vmx->host_state.gs_ldt_reload_needed) {
kvm_load_ldt(vmx->host_state.ldt_sel);
#ifdef CONFIG_X86_64
load_gs_index(vmx->host_state.gs_sel);
+ wrmsrl(MSR_KERNEL_GS_BASE, current->thread.gs);
#else
loadsegment(gs, vmx->host_state.gs_sel);
#endif
}
- if (vmx->host_state.fs_reload_needed)
- loadsegment(fs, vmx->host_state.fs_sel);
reload_tss();
#ifdef CONFIG_X86_64
- wrmsrl(MSR_KERNEL_GS_BASE, vmx->msr_host_kernel_gs_base);
+ if (is_long_mode(&vmx->vcpu)) {
+ rdmsrl(MSR_KERNEL_GS_BASE, vmx->msr_guest_kernel_gs_base);
+ wrmsrl(MSR_KERNEL_GS_BASE, vmx->msr_host_kernel_gs_base);
+ }
#endif
if (current_thread_info()->status & TS_USEDFPU)
clts();
diff --git a/trunk/arch/x86/xen/enlighten.c b/trunk/arch/x86/xen/enlighten.c
index 02c710bebf7a..235c0f4d3861 100644
--- a/trunk/arch/x86/xen/enlighten.c
+++ b/trunk/arch/x86/xen/enlighten.c
@@ -75,11 +75,6 @@ DEFINE_PER_CPU(struct vcpu_info, xen_vcpu_info);
enum xen_domain_type xen_domain_type = XEN_NATIVE;
EXPORT_SYMBOL_GPL(xen_domain_type);
-unsigned long *machine_to_phys_mapping = (void *)MACH2PHYS_VIRT_START;
-EXPORT_SYMBOL(machine_to_phys_mapping);
-unsigned int machine_to_phys_order;
-EXPORT_SYMBOL(machine_to_phys_order);
-
struct start_info *xen_start_info;
EXPORT_SYMBOL_GPL(xen_start_info);
@@ -1095,8 +1090,6 @@ static void __init xen_setup_stackprotector(void)
/* First C function to be called on Xen boot */
asmlinkage void __init xen_start_kernel(void)
{
- struct physdev_set_iopl set_iopl;
- int rc;
pgd_t *pgd;
if (!xen_start_info)
@@ -1104,8 +1097,6 @@ asmlinkage void __init xen_start_kernel(void)
xen_domain_type = XEN_PV_DOMAIN;
- xen_setup_machphys_mapping();
-
/* Install Xen paravirt ops */
pv_info = xen_info;
pv_init_ops = xen_init_ops;
@@ -1200,6 +1191,8 @@ asmlinkage void __init xen_start_kernel(void)
/* Allocate and initialize top and mid mfn levels for p2m structure */
xen_build_mfn_list_list();
+ init_mm.pgd = pgd;
+
/* keep using Xen gdt for now; no urgent need to change it */
#ifdef CONFIG_X86_32
@@ -1209,18 +1202,10 @@ asmlinkage void __init xen_start_kernel(void)
#else
pv_info.kernel_rpl = 0;
#endif
+
/* set the limit of our address space */
xen_reserve_top();
- /* We used to do this in xen_arch_setup, but that is too late on AMD
- * were early_cpu_init (run before ->arch_setup()) calls early_amd_init
- * which pokes 0xcf8 port.
- */
- set_iopl.iopl = 1;
- rc = HYPERVISOR_physdev_op(PHYSDEVOP_set_iopl, &set_iopl);
- if (rc != 0)
- xen_raw_printk("physdev_op failed %d\n", rc);
-
#ifdef CONFIG_X86_32
/* set up basic CPUID stuff */
cpu_detect(&new_cpu_data);
diff --git a/trunk/arch/x86/xen/mmu.c b/trunk/arch/x86/xen/mmu.c
index a1feff9e59b6..21ed8d7f75a5 100644
--- a/trunk/arch/x86/xen/mmu.c
+++ b/trunk/arch/x86/xen/mmu.c
@@ -2034,20 +2034,6 @@ static __init void xen_map_identity_early(pmd_t *pmd, unsigned long max_pfn)
set_page_prot(pmd, PAGE_KERNEL_RO);
}
-void __init xen_setup_machphys_mapping(void)
-{
- struct xen_machphys_mapping mapping;
- unsigned long machine_to_phys_nr_ents;
-
- if (HYPERVISOR_memory_op(XENMEM_machphys_mapping, &mapping) == 0) {
- machine_to_phys_mapping = (unsigned long *)mapping.v_start;
- machine_to_phys_nr_ents = mapping.max_mfn + 1;
- } else {
- machine_to_phys_nr_ents = MACH2PHYS_NR_ENTRIES;
- }
- machine_to_phys_order = fls(machine_to_phys_nr_ents - 1);
-}
-
#ifdef CONFIG_X86_64
static void convert_pfn_mfn(void *v)
{
@@ -2133,83 +2119,44 @@ __init pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd,
return pgd;
}
#else /* !CONFIG_X86_64 */
-static RESERVE_BRK_ARRAY(pmd_t, initial_kernel_pmd, PTRS_PER_PMD);
-static RESERVE_BRK_ARRAY(pmd_t, swapper_kernel_pmd, PTRS_PER_PMD);
-
-static __init void xen_write_cr3_init(unsigned long cr3)
-{
- unsigned long pfn = PFN_DOWN(__pa(swapper_pg_dir));
-
- BUG_ON(read_cr3() != __pa(initial_page_table));
- BUG_ON(cr3 != __pa(swapper_pg_dir));
-
- /*
- * We are switching to swapper_pg_dir for the first time (from
- * initial_page_table) and therefore need to mark that page
- * read-only and then pin it.
- *
- * Xen disallows sharing of kernel PMDs for PAE
- * guests. Therefore we must copy the kernel PMD from
- * initial_page_table into a new kernel PMD to be used in
- * swapper_pg_dir.
- */
- swapper_kernel_pmd =
- extend_brk(sizeof(pmd_t) * PTRS_PER_PMD, PAGE_SIZE);
- memcpy(swapper_kernel_pmd, initial_kernel_pmd,
- sizeof(pmd_t) * PTRS_PER_PMD);
- swapper_pg_dir[KERNEL_PGD_BOUNDARY] =
- __pgd(__pa(swapper_kernel_pmd) | _PAGE_PRESENT);
- set_page_prot(swapper_kernel_pmd, PAGE_KERNEL_RO);
-
- set_page_prot(swapper_pg_dir, PAGE_KERNEL_RO);
- xen_write_cr3(cr3);
- pin_pagetable_pfn(MMUEXT_PIN_L3_TABLE, pfn);
-
- pin_pagetable_pfn(MMUEXT_UNPIN_TABLE,
- PFN_DOWN(__pa(initial_page_table)));
- set_page_prot(initial_page_table, PAGE_KERNEL);
- set_page_prot(initial_kernel_pmd, PAGE_KERNEL);
-
- pv_mmu_ops.write_cr3 = &xen_write_cr3;
-}
+static RESERVE_BRK_ARRAY(pmd_t, level2_kernel_pgt, PTRS_PER_PMD);
__init pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd,
unsigned long max_pfn)
{
pmd_t *kernel_pmd;
- initial_kernel_pmd =
- extend_brk(sizeof(pmd_t) * PTRS_PER_PMD, PAGE_SIZE);
+ level2_kernel_pgt = extend_brk(sizeof(pmd_t) * PTRS_PER_PMD, PAGE_SIZE);
max_pfn_mapped = PFN_DOWN(__pa(xen_start_info->pt_base) +
xen_start_info->nr_pt_frames * PAGE_SIZE +
512*1024);
kernel_pmd = m2v(pgd[KERNEL_PGD_BOUNDARY].pgd);
- memcpy(initial_kernel_pmd, kernel_pmd, sizeof(pmd_t) * PTRS_PER_PMD);
+ memcpy(level2_kernel_pgt, kernel_pmd, sizeof(pmd_t) * PTRS_PER_PMD);
- xen_map_identity_early(initial_kernel_pmd, max_pfn);
+ xen_map_identity_early(level2_kernel_pgt, max_pfn);
- memcpy(initial_page_table, pgd, sizeof(pgd_t) * PTRS_PER_PGD);
- initial_page_table[KERNEL_PGD_BOUNDARY] =
- __pgd(__pa(initial_kernel_pmd) | _PAGE_PRESENT);
+ memcpy(swapper_pg_dir, pgd, sizeof(pgd_t) * PTRS_PER_PGD);
+ set_pgd(&swapper_pg_dir[KERNEL_PGD_BOUNDARY],
+ __pgd(__pa(level2_kernel_pgt) | _PAGE_PRESENT));
- set_page_prot(initial_kernel_pmd, PAGE_KERNEL_RO);
- set_page_prot(initial_page_table, PAGE_KERNEL_RO);
+ set_page_prot(level2_kernel_pgt, PAGE_KERNEL_RO);
+ set_page_prot(swapper_pg_dir, PAGE_KERNEL_RO);
set_page_prot(empty_zero_page, PAGE_KERNEL_RO);
pin_pagetable_pfn(MMUEXT_UNPIN_TABLE, PFN_DOWN(__pa(pgd)));
- pin_pagetable_pfn(MMUEXT_PIN_L3_TABLE,
- PFN_DOWN(__pa(initial_page_table)));
- xen_write_cr3(__pa(initial_page_table));
+ xen_write_cr3(__pa(swapper_pg_dir));
+
+ pin_pagetable_pfn(MMUEXT_PIN_L3_TABLE, PFN_DOWN(__pa(swapper_pg_dir)));
memblock_x86_reserve_range(__pa(xen_start_info->pt_base),
__pa(xen_start_info->pt_base +
xen_start_info->nr_pt_frames * PAGE_SIZE),
"XEN PAGETABLES");
- return initial_page_table;
+ return swapper_pg_dir;
}
#endif /* CONFIG_X86_64 */
@@ -2343,11 +2290,7 @@ static const struct pv_mmu_ops xen_mmu_ops __initdata = {
.write_cr2 = xen_write_cr2,
.read_cr3 = xen_read_cr3,
-#ifdef CONFIG_X86_32
- .write_cr3 = xen_write_cr3_init,
-#else
.write_cr3 = xen_write_cr3,
-#endif
.flush_tlb_user = xen_flush_tlb,
.flush_tlb_kernel = xen_flush_tlb,
@@ -2684,8 +2627,7 @@ int xen_remap_domain_mfn_range(struct vm_area_struct *vma,
prot = __pgprot(pgprot_val(prot) | _PAGE_IOMAP);
- BUG_ON(!((vma->vm_flags & (VM_PFNMAP | VM_RESERVED | VM_IO)) ==
- (VM_PFNMAP | VM_RESERVED | VM_IO)));
+ vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP;
rmd.mfn = mfn;
rmd.prot = prot;
diff --git a/trunk/arch/x86/xen/setup.c b/trunk/arch/x86/xen/setup.c
index 01afd8a94607..769c4b01fa32 100644
--- a/trunk/arch/x86/xen/setup.c
+++ b/trunk/arch/x86/xen/setup.c
@@ -23,6 +23,7 @@
#include
#include
#include
+#include
#include
#include "xen-ops.h"
@@ -247,7 +248,8 @@ char * __init xen_memory_setup(void)
else
extra_pages = 0;
- xen_add_extra_mem(extra_pages);
+ if (!xen_initial_domain())
+ xen_add_extra_mem(extra_pages);
return "Xen";
}
@@ -335,6 +337,9 @@ void __cpuinit xen_enable_syscall(void)
void __init xen_arch_setup(void)
{
+ struct physdev_set_iopl set_iopl;
+ int rc;
+
xen_panic_handler_init();
HYPERVISOR_vm_assist(VMASST_CMD_enable, VMASST_TYPE_4gb_segments);
@@ -351,6 +356,11 @@ void __init xen_arch_setup(void)
xen_enable_sysenter();
xen_enable_syscall();
+ set_iopl.iopl = 1;
+ rc = HYPERVISOR_physdev_op(PHYSDEVOP_set_iopl, &set_iopl);
+ if (rc != 0)
+ printk(KERN_INFO "physdev_op failed %d\n", rc);
+
#ifdef CONFIG_ACPI
if (!(xen_start_info->flags & SIF_INITDOMAIN)) {
printk(KERN_INFO "ACPI in unprivileged domain disabled\n");
diff --git a/trunk/block/compat_ioctl.c b/trunk/block/compat_ioctl.c
index cc3eb78e333a..58c6ee5b010c 100644
--- a/trunk/block/compat_ioctl.c
+++ b/trunk/block/compat_ioctl.c
@@ -8,6 +8,7 @@
#include
#include