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RDMA/cxgb3: Add driver for Chelsio T3 RNIC
Add an RDMA/iWARP driver for the Chelsio T3 1GbE and 10GbE adapters. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Steve Wise
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Feb 13, 2007
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config INFINIBAND_CXGB3 | ||
tristate "Chelsio RDMA Driver" | ||
depends on CHELSIO_T3 && INFINIBAND && INET | ||
select GENERIC_ALLOCATOR | ||
---help--- | ||
This is an iWARP/RDMA driver for the Chelsio T3 1GbE and | ||
10GbE adapters. | ||
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For general information about Chelsio and our products, visit | ||
our website at <http://www.chelsio.com>. | ||
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For customer support, please visit our customer support page at | ||
<http://www.chelsio.com/support.htm>. | ||
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Please send feedback to <linux-bugs@chelsio.com>. | ||
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To compile this driver as a module, choose M here: the module | ||
will be called iw_cxgb3. | ||
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config INFINIBAND_CXGB3_DEBUG | ||
bool "Verbose debugging output" | ||
depends on INFINIBAND_CXGB3 | ||
default n | ||
---help--- | ||
This option causes the Chelsio RDMA driver to produce copious | ||
amounts of debug messages. Select this if you are developing | ||
the driver or trying to diagnose a problem. |
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EXTRA_CFLAGS += -I$(TOPDIR)/drivers/net/cxgb3 \ | ||
-I$(TOPDIR)/drivers/infiniband/hw/cxgb3/core | ||
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obj-$(CONFIG_INFINIBAND_CXGB3) += iw_cxgb3.o | ||
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iw_cxgb3-y := iwch_cm.o iwch_ev.o iwch_cq.o iwch_qp.o iwch_mem.o \ | ||
iwch_provider.o iwch.o cxio_hal.o cxio_resource.o | ||
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ifdef CONFIG_INFINIBAND_CXGB3_DEBUG | ||
EXTRA_CFLAGS += -DDEBUG | ||
iw_cxgb3-y += cxio_dbg.o | ||
endif |
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/* | ||
* Copyright (c) 2006 Chelsio, Inc. All rights reserved. | ||
* Copyright (c) 2006 Open Grid Computing, Inc. All rights reserved. | ||
* | ||
* This software is available to you under a choice of one of two | ||
* licenses. You may choose to be licensed under the terms of the GNU | ||
* General Public License (GPL) Version 2, available from the file | ||
* COPYING in the main directory of this source tree, or the | ||
* OpenIB.org BSD license below: | ||
* | ||
* Redistribution and use in source and binary forms, with or | ||
* without modification, are permitted provided that the following | ||
* conditions are met: | ||
* | ||
* - Redistributions of source code must retain the above | ||
* copyright notice, this list of conditions and the following | ||
* disclaimer. | ||
* | ||
* - Redistributions in binary form must reproduce the above | ||
* copyright notice, this list of conditions and the following | ||
* disclaimer in the documentation and/or other materials | ||
* provided with the distribution. | ||
* | ||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | ||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | ||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | ||
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | ||
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | ||
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | ||
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
* SOFTWARE. | ||
*/ | ||
#ifdef DEBUG | ||
#include <linux/types.h> | ||
#include "common.h" | ||
#include "cxgb3_ioctl.h" | ||
#include "cxio_hal.h" | ||
#include "cxio_wr.h" | ||
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void cxio_dump_tpt(struct cxio_rdev *rdev, u32 stag) | ||
{ | ||
struct ch_mem_range *m; | ||
u64 *data; | ||
int rc; | ||
int size = 32; | ||
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m = kmalloc(sizeof(*m) + size, GFP_ATOMIC); | ||
if (!m) { | ||
PDBG("%s couldn't allocate memory.\n", __FUNCTION__); | ||
return; | ||
} | ||
m->mem_id = MEM_PMRX; | ||
m->addr = (stag>>8) * 32 + rdev->rnic_info.tpt_base; | ||
m->len = size; | ||
PDBG("%s TPT addr 0x%x len %d\n", __FUNCTION__, m->addr, m->len); | ||
rc = rdev->t3cdev_p->ctl(rdev->t3cdev_p, RDMA_GET_MEM, m); | ||
if (rc) { | ||
PDBG("%s toectl returned error %d\n", __FUNCTION__, rc); | ||
kfree(m); | ||
return; | ||
} | ||
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data = (u64 *)m->buf; | ||
while (size > 0) { | ||
PDBG("TPT %08x: %016llx\n", m->addr, (unsigned long long) *data); | ||
size -= 8; | ||
data++; | ||
m->addr += 8; | ||
} | ||
kfree(m); | ||
} | ||
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void cxio_dump_pbl(struct cxio_rdev *rdev, u32 pbl_addr, uint len, u8 shift) | ||
{ | ||
struct ch_mem_range *m; | ||
u64 *data; | ||
int rc; | ||
int size, npages; | ||
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shift += 12; | ||
npages = (len + (1ULL << shift) - 1) >> shift; | ||
size = npages * sizeof(u64); | ||
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m = kmalloc(sizeof(*m) + size, GFP_ATOMIC); | ||
if (!m) { | ||
PDBG("%s couldn't allocate memory.\n", __FUNCTION__); | ||
return; | ||
} | ||
m->mem_id = MEM_PMRX; | ||
m->addr = pbl_addr; | ||
m->len = size; | ||
PDBG("%s PBL addr 0x%x len %d depth %d\n", | ||
__FUNCTION__, m->addr, m->len, npages); | ||
rc = rdev->t3cdev_p->ctl(rdev->t3cdev_p, RDMA_GET_MEM, m); | ||
if (rc) { | ||
PDBG("%s toectl returned error %d\n", __FUNCTION__, rc); | ||
kfree(m); | ||
return; | ||
} | ||
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data = (u64 *)m->buf; | ||
while (size > 0) { | ||
PDBG("PBL %08x: %016llx\n", m->addr, (unsigned long long) *data); | ||
size -= 8; | ||
data++; | ||
m->addr += 8; | ||
} | ||
kfree(m); | ||
} | ||
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void cxio_dump_wqe(union t3_wr *wqe) | ||
{ | ||
__be64 *data = (__be64 *)wqe; | ||
uint size = (uint)(be64_to_cpu(*data) & 0xff); | ||
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if (size == 0) | ||
size = 8; | ||
while (size > 0) { | ||
PDBG("WQE %p: %016llx\n", data, | ||
(unsigned long long) be64_to_cpu(*data)); | ||
size--; | ||
data++; | ||
} | ||
} | ||
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void cxio_dump_wce(struct t3_cqe *wce) | ||
{ | ||
__be64 *data = (__be64 *)wce; | ||
int size = sizeof(*wce); | ||
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while (size > 0) { | ||
PDBG("WCE %p: %016llx\n", data, | ||
(unsigned long long) be64_to_cpu(*data)); | ||
size -= 8; | ||
data++; | ||
} | ||
} | ||
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void cxio_dump_rqt(struct cxio_rdev *rdev, u32 hwtid, int nents) | ||
{ | ||
struct ch_mem_range *m; | ||
int size = nents * 64; | ||
u64 *data; | ||
int rc; | ||
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m = kmalloc(sizeof(*m) + size, GFP_ATOMIC); | ||
if (!m) { | ||
PDBG("%s couldn't allocate memory.\n", __FUNCTION__); | ||
return; | ||
} | ||
m->mem_id = MEM_PMRX; | ||
m->addr = ((hwtid)<<10) + rdev->rnic_info.rqt_base; | ||
m->len = size; | ||
PDBG("%s RQT addr 0x%x len %d\n", __FUNCTION__, m->addr, m->len); | ||
rc = rdev->t3cdev_p->ctl(rdev->t3cdev_p, RDMA_GET_MEM, m); | ||
if (rc) { | ||
PDBG("%s toectl returned error %d\n", __FUNCTION__, rc); | ||
kfree(m); | ||
return; | ||
} | ||
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data = (u64 *)m->buf; | ||
while (size > 0) { | ||
PDBG("RQT %08x: %016llx\n", m->addr, (unsigned long long) *data); | ||
size -= 8; | ||
data++; | ||
m->addr += 8; | ||
} | ||
kfree(m); | ||
} | ||
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void cxio_dump_tcb(struct cxio_rdev *rdev, u32 hwtid) | ||
{ | ||
struct ch_mem_range *m; | ||
int size = TCB_SIZE; | ||
u32 *data; | ||
int rc; | ||
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m = kmalloc(sizeof(*m) + size, GFP_ATOMIC); | ||
if (!m) { | ||
PDBG("%s couldn't allocate memory.\n", __FUNCTION__); | ||
return; | ||
} | ||
m->mem_id = MEM_CM; | ||
m->addr = hwtid * size; | ||
m->len = size; | ||
PDBG("%s TCB %d len %d\n", __FUNCTION__, m->addr, m->len); | ||
rc = rdev->t3cdev_p->ctl(rdev->t3cdev_p, RDMA_GET_MEM, m); | ||
if (rc) { | ||
PDBG("%s toectl returned error %d\n", __FUNCTION__, rc); | ||
kfree(m); | ||
return; | ||
} | ||
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data = (u32 *)m->buf; | ||
while (size > 0) { | ||
printk("%2u: %08x %08x %08x %08x %08x %08x %08x %08x\n", | ||
m->addr, | ||
*(data+2), *(data+3), *(data),*(data+1), | ||
*(data+6), *(data+7), *(data+4), *(data+5)); | ||
size -= 32; | ||
data += 8; | ||
m->addr += 32; | ||
} | ||
kfree(m); | ||
} | ||
#endif |
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