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Merge branch 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux…
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…/kernel/git/tip/linux-2.6-tip

* 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, UV: Correct UV2 BAU destination timeout
  x86, UV: Correct failed topology memory leak
  x86, UV: Remove cpumask_t from the stack
  x86, UV: Rename hubmask to pnmask
  x86, UV: Correct reset_with_ipi()
  x86, UV: Allow for non-consecutive sockets
  x86, UV: Inline header file functions
  x86, UV: Fix smp_processor_id() use in a preemptable region
  x66, UV: Enable 64-bit ACPI MFCG support for SGI UV2 platform
  x86, UV: Clean up uv_mmrs.h
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Linus Torvalds committed Jul 23, 2011
2 parents 8051207 + ae90c23 commit 3e0b8df
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Showing 4 changed files with 1,691 additions and 1,329 deletions.
59 changes: 34 additions & 25 deletions arch/x86/include/asm/uv/uv_bau.h
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Original file line number Diff line number Diff line change
Expand Up @@ -67,7 +67,7 @@
* we're using 655us, similar to UV1: 65 units of 10us
*/
#define UV1_INTD_SOFT_ACK_TIMEOUT_PERIOD (9UL)
#define UV2_INTD_SOFT_ACK_TIMEOUT_PERIOD (65*10UL)
#define UV2_INTD_SOFT_ACK_TIMEOUT_PERIOD (15UL)

#define UV_INTD_SOFT_ACK_TIMEOUT_PERIOD (is_uv1_hub() ? \
UV1_INTD_SOFT_ACK_TIMEOUT_PERIOD : \
Expand Down Expand Up @@ -106,12 +106,20 @@
#define DS_SOURCE_TIMEOUT 3
/*
* bits put together from HRP_LB_BAU_SB_ACTIVATION_STATUS_0/1/2
* values 1 and 5 will not occur
* values 1 and 3 will not occur
* Decoded meaning ERROR BUSY AUX ERR
* ------------------------------- ---- ----- -------
* IDLE 0 0 0
* BUSY (active) 0 1 0
* SW Ack Timeout (destination) 1 0 0
* SW Ack INTD rejected (strong NACK) 1 0 1
* Source Side Time Out Detected 1 1 0
* Destination Side PUT Failed 1 1 1
*/
#define UV2H_DESC_IDLE 0
#define UV2H_DESC_DEST_TIMEOUT 2
#define UV2H_DESC_DEST_STRONG_NACK 3
#define UV2H_DESC_BUSY 4
#define UV2H_DESC_BUSY 2
#define UV2H_DESC_DEST_TIMEOUT 4
#define UV2H_DESC_DEST_STRONG_NACK 5
#define UV2H_DESC_SOURCE_TIMEOUT 6
#define UV2H_DESC_DEST_PUT_ERR 7

Expand Down Expand Up @@ -183,7 +191,7 @@
* 'base_dest_nasid' field of the header corresponds to the
* destination nodeID associated with that specified bit.
*/
struct bau_targ_hubmask {
struct pnmask {
unsigned long bits[BITS_TO_LONGS(UV_DISTRIBUTION_SIZE)];
};

Expand Down Expand Up @@ -314,7 +322,7 @@ struct bau_msg_header {
* Should be 64 bytes
*/
struct bau_desc {
struct bau_targ_hubmask distribution;
struct pnmask distribution;
/*
* message template, consisting of header and payload:
*/
Expand Down Expand Up @@ -488,6 +496,7 @@ struct bau_control {
struct bau_control *uvhub_master;
struct bau_control *socket_master;
struct ptc_stats *statp;
cpumask_t *cpumask;
unsigned long timeout_interval;
unsigned long set_bau_on_time;
atomic_t active_descriptor_count;
Expand Down Expand Up @@ -526,90 +535,90 @@ struct bau_control {
struct hub_and_pnode *thp;
};

static unsigned long read_mmr_uv2_status(void)
static inline unsigned long read_mmr_uv2_status(void)
{
return read_lmmr(UV2H_LB_BAU_SB_ACTIVATION_STATUS_2);
}

static void write_mmr_data_broadcast(int pnode, unsigned long mmr_image)
static inline void write_mmr_data_broadcast(int pnode, unsigned long mmr_image)
{
write_gmmr(pnode, UVH_BAU_DATA_BROADCAST, mmr_image);
}

static void write_mmr_descriptor_base(int pnode, unsigned long mmr_image)
static inline void write_mmr_descriptor_base(int pnode, unsigned long mmr_image)
{
write_gmmr(pnode, UVH_LB_BAU_SB_DESCRIPTOR_BASE, mmr_image);
}

static void write_mmr_activation(unsigned long index)
static inline void write_mmr_activation(unsigned long index)
{
write_lmmr(UVH_LB_BAU_SB_ACTIVATION_CONTROL, index);
}

static void write_gmmr_activation(int pnode, unsigned long mmr_image)
static inline void write_gmmr_activation(int pnode, unsigned long mmr_image)
{
write_gmmr(pnode, UVH_LB_BAU_SB_ACTIVATION_CONTROL, mmr_image);
}

static void write_mmr_payload_first(int pnode, unsigned long mmr_image)
static inline void write_mmr_payload_first(int pnode, unsigned long mmr_image)
{
write_gmmr(pnode, UVH_LB_BAU_INTD_PAYLOAD_QUEUE_FIRST, mmr_image);
}

static void write_mmr_payload_tail(int pnode, unsigned long mmr_image)
static inline void write_mmr_payload_tail(int pnode, unsigned long mmr_image)
{
write_gmmr(pnode, UVH_LB_BAU_INTD_PAYLOAD_QUEUE_TAIL, mmr_image);
}

static void write_mmr_payload_last(int pnode, unsigned long mmr_image)
static inline void write_mmr_payload_last(int pnode, unsigned long mmr_image)
{
write_gmmr(pnode, UVH_LB_BAU_INTD_PAYLOAD_QUEUE_LAST, mmr_image);
}

static void write_mmr_misc_control(int pnode, unsigned long mmr_image)
static inline void write_mmr_misc_control(int pnode, unsigned long mmr_image)
{
write_gmmr(pnode, UVH_LB_BAU_MISC_CONTROL, mmr_image);
}

static unsigned long read_mmr_misc_control(int pnode)
static inline unsigned long read_mmr_misc_control(int pnode)
{
return read_gmmr(pnode, UVH_LB_BAU_MISC_CONTROL);
}

static void write_mmr_sw_ack(unsigned long mr)
static inline void write_mmr_sw_ack(unsigned long mr)
{
uv_write_local_mmr(UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE_ALIAS, mr);
}

static unsigned long read_mmr_sw_ack(void)
static inline unsigned long read_mmr_sw_ack(void)
{
return read_lmmr(UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE);
}

static unsigned long read_gmmr_sw_ack(int pnode)
static inline unsigned long read_gmmr_sw_ack(int pnode)
{
return read_gmmr(pnode, UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE);
}

static void write_mmr_data_config(int pnode, unsigned long mr)
static inline void write_mmr_data_config(int pnode, unsigned long mr)
{
uv_write_global_mmr64(pnode, UVH_BAU_DATA_CONFIG, mr);
}

static inline int bau_uvhub_isset(int uvhub, struct bau_targ_hubmask *dstp)
static inline int bau_uvhub_isset(int uvhub, struct pnmask *dstp)
{
return constant_test_bit(uvhub, &dstp->bits[0]);
}
static inline void bau_uvhub_set(int pnode, struct bau_targ_hubmask *dstp)
static inline void bau_uvhub_set(int pnode, struct pnmask *dstp)
{
__set_bit(pnode, &dstp->bits[0]);
}
static inline void bau_uvhubs_clear(struct bau_targ_hubmask *dstp,
static inline void bau_uvhubs_clear(struct pnmask *dstp,
int nbits)
{
bitmap_zero(&dstp->bits[0], nbits);
}
static inline int bau_uvhub_weight(struct bau_targ_hubmask *dstp)
static inline int bau_uvhub_weight(struct pnmask *dstp)
{
return bitmap_weight((unsigned long *)&dstp->bits[0],
UV_DISTRIBUTION_SIZE);
Expand Down
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