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authorZiqi Chen <quic_ziqichen@quicinc.com>2023-03-15 10:44:25 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2023-03-17 06:16:18 +0300
commit4a52338bf288c95a46f20af1f5df77b80b74c9ad (patch)
tree943635f84acb27f1869cccb67dec93365a9c8ff3
parent127fd07da459379d39d5a048afbd3e51d00f3f60 (diff)
downloadlinux-4a52338bf288c95a46f20af1f5df77b80b74c9ad.tar.xz
scsi: ufs: core: Add trace event for MCQ
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>
-rw-r--r--drivers/ufs/core/ufshcd.c15
-rw-r--r--include/trace/events/ufs.h22
2 files changed, 24 insertions, 13 deletions
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index b960b516c4ae..8e7dfaadc691 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -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)
diff --git a/include/trace/events/ufs.h b/include/trace/events/ufs.h
index 599739ee7b20..992517ac3292 100644
--- a/include/trace/events/ufs.h
+++ b/include/trace/events/ufs.h
@@ -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
)
);