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scsi: ufs: core: Add trace event for MCQ

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Add MCQ hardware queue ID in the existing trace event ufshcd_command().

Signed-off-by: Ziqi Chen <quic_ziqichen@quicinc.com>
Link: https://lore.kernel.org/r/1678866271-49601-1-git-send-email-quic_ziqichen@quicinc.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Ziqi Chen 2023-03-15 15:44:25 +08:00 committed by Martin K. Petersen
parent 127fd07da4
commit 4a52338bf2
2 changed files with 24 additions and 13 deletions
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15
drivers/ufs/core/ufshcd.c
View File

@ -422,7 +422,9 @@ static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag,
{
u64 lba = 0;
u8 opcode = 0, group_id = 0;
u32 intr, doorbell;
u32 doorbell = 0;
u32 intr;
int hwq_id = -1;
struct ufshcd_lrb *lrbp = &hba->lrb[tag];
struct scsi_cmnd *cmd = lrbp->cmd;
struct request *rq = scsi_cmd_to_rq(cmd);
@ -456,9 +458,16 @@ static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag,
}
intr = ufshcd_readl(hba, REG_INTERRUPT_STATUS);
doorbell = ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL);
if (is_mcq_enabled(hba)) {
struct ufs_hw_queue *hwq = ufshcd_mcq_req_to_hwq(hba, rq);
hwq_id = hwq->id;
} else {
doorbell = ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL);
}
trace_ufshcd_command(dev_name(hba->dev), str_t, tag,
doorbell, transfer_len, intr, lba, opcode, group_id);
doorbell, hwq_id, transfer_len, intr, lba, opcode, group_id);
}
static void ufshcd_print_clk_freqs(struct ufs_hba *hba)

22
include/trace/events/ufs.h
View File

@ -268,20 +268,21 @@ DEFINE_EVENT(ufshcd_template, ufshcd_wl_runtime_resume,
TRACE_EVENT(ufshcd_command,
TP_PROTO(const char *dev_name, enum ufs_trace_str_t str_t,
unsigned int tag, u32 doorbell, int transfer_len, u32 intr,
u64 lba, u8 opcode, u8 group_id),
unsigned int tag, u32 doorbell, u32 hwq_id, int transfer_len,
u32 intr, u64 lba, u8 opcode, u8 group_id),
TP_ARGS(dev_name, str_t, tag, doorbell, transfer_len,
intr, lba, opcode, group_id),
TP_ARGS(dev_name, str_t, tag, doorbell, hwq_id, transfer_len,
intr, lba, opcode, group_id),
TP_STRUCT__entry(
__string(dev_name, dev_name)
__field(enum ufs_trace_str_t, str_t)
__field(unsigned int, tag)
__field(u32, doorbell)
__field(int, transfer_len)
__field(u32, hwq_id)
__field(u32, intr)
__field(u64, lba)
__field(int, transfer_len)
__field(u8, opcode)
__field(u8, group_id)
),
@ -291,19 +292,20 @@ TRACE_EVENT(ufshcd_command,
__entry->str_t = str_t;
__entry->tag = tag;
__entry->doorbell = doorbell;
__entry->transfer_len = transfer_len;
__entry->hwq_id = hwq_id;
__entry->intr = intr;
__entry->lba = lba;
__entry->transfer_len = transfer_len;
__entry->opcode = opcode;
__entry->group_id = group_id;
),
TP_printk(
"%s: %s: tag: %u, DB: 0x%x, size: %d, IS: %u, LBA: %llu, opcode: 0x%x (%s), group_id: 0x%x",
"%s: %s: tag: %u, DB: 0x%x, size: %d, IS: %u, LBA: %llu, opcode: 0x%x (%s), group_id: 0x%x, hwq_id: %d",
show_ufs_cmd_trace_str(__entry->str_t), __get_str(dev_name),
__entry->tag, __entry->doorbell, __entry->transfer_len,
__entry->intr, __entry->lba, (u32)__entry->opcode,
str_opcode(__entry->opcode), (u32)__entry->group_id
__entry->tag, __entry->doorbell, __entry->transfer_len, __entry->intr,
__entry->lba, (u32)__entry->opcode, str_opcode(__entry->opcode),
(u32)__entry->group_id, __entry->hwq_id
)
);