Commit 1f6bdee7 authored by Alon Mizrahi's avatar Alon Mizrahi Committed by Oded Gabbay
Browse files

habanalabs/gaudi: add monitored SOBs to state dump 



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

Signed-off-by: default avatarAlon Mizrahi <amizrahi@habana.ai>
Reviewed-by: default avatarOded Gabbay <ogabbay@kernel.org>
Signed-off-by: default avatarOded Gabbay <ogabbay@kernel.org>
parent 929cbab5

drivers/misc/habanalabs/gaudi/gaudi.c

+36 −2
Original line number Diff line number Diff line
@@ -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);

}

drivers/misc/habanalabs/gaudi/gaudiP.h

+1 −0
Original line number Diff line number Diff line
@@ -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 */