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habanalabs/gaudi: add monitored SOBs to state dump 

Current "state dump" is lacking of monitored SOB IDs. Add for
convenience.

Signed-off-by: Alon Mizrahi <amizrahi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
This commit is contained in:
Alon Mizrahi 2021-07-22 18:12:18 +03:00 committed by Oded Gabbay
parent 929cbab5b3
commit 1f6bdee765
2 changed files with 37 additions and 2 deletions
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38
drivers/misc/habanalabs/gaudi/gaudi.c
View File

@ -108,6 +108,8 @@
#define BIN_REG_STRING_SIZE sizeof("0b10101010101010101010101010101010")
#define MONITOR_SOB_STRING_SIZE 256
static const char gaudi_irq_name[GAUDI_MSI_ENTRIES][GAUDI_MAX_STRING_LEN] = {
"gaudi cq 0_0", "gaudi cq 0_1", "gaudi cq 0_2", "gaudi cq 0_3",
"gaudi cq 1_0", "gaudi cq 1_1", "gaudi cq 1_2", "gaudi cq 1_3",
@ -9184,6 +9186,34 @@ static int gaudi_monitor_valid(struct hl_mon_state_dump *mon)
mon->status);
}
static void gaudi_fill_sobs_from_mon(char *sobs, struct hl_mon_state_dump *mon)
{
const size_t max_write = 10;
u32 gid, mask, sob;
int i, offset;
/* Sync object ID is calculated as follows:
* (8 * group_id + cleared bits in mask)
*/
gid = FIELD_GET(SYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_ARM_0_SID_MASK,
mon->arm_data);
mask = FIELD_GET(SYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_ARM_0_MASK_MASK,
mon->arm_data);
for (i = 0, offset = 0; mask && offset < MONITOR_SOB_STRING_SIZE -
max_write; mask >>= 1, i++) {
if (!(mask & 1)) {
sob = gid * MONITOR_MAX_SOBS + i;
if (offset > 0)
offset += snprintf(sobs + offset, max_write,
", ");
offset += snprintf(sobs + offset, max_write, "%u", sob);
}
}
}
static int gaudi_print_single_monitor(char **buf, size_t *size, size_t *offset,
struct hl_device *hdev,
struct hl_mon_state_dump *mon)
@ -9191,14 +9221,17 @@ static int gaudi_print_single_monitor(char **buf, size_t *size, size_t *offset,
const char *name;
char scratch_buf1[BIN_REG_STRING_SIZE],
scratch_buf2[BIN_REG_STRING_SIZE];
char monitored_sobs[MONITOR_SOB_STRING_SIZE] = {0};
name = hl_state_dump_get_monitor_name(hdev, mon);
if (!name)
name = "";
gaudi_fill_sobs_from_mon(monitored_sobs, mon);
return hl_snprintf_resize(
buf, size, offset,
"Mon id: %u%s, wait for group id: %u mask %s to reach val: %u and write %u to address 0x%llx. Pending: %s",
"Mon id: %u%s, wait for group id: %u mask %s to reach val: %u and write %u to address 0x%llx. Pending: %s. Means sync objects [%s] are being monitored.",
mon->id, name,
FIELD_GET(SYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_ARM_0_SID_MASK,
mon->arm_data),
@ -9215,7 +9248,8 @@ static int gaudi_print_single_monitor(char **buf, size_t *size, size_t *offset,
scratch_buf2, sizeof(scratch_buf2),
FIELD_GET(
SYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_STATUS_0_PENDING_MASK,
mon->status)));
mon->status)),
monitored_sobs);
}

1
drivers/misc/habanalabs/gaudi/gaudiP.h
View File

@ -117,6 +117,7 @@
(((mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_MON_STATUS_511 - \
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_MON_STATUS_0) + 4) >> 2)
#define MONITOR_MAX_SOBS 8
/* DRAM Memory Map */