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scsi: ufs: core: Pass a SCSI pointer instead of an LRB pointer

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Pass a pointer to a SCSI command between functions instead of an LRB
pointer. This change prepares for removing the ufshcd_lrb task_tag
member.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://patch.msgid.link/20251031204029.2883185-25-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Bart Van Assche
2025-10-31 13:39:32 -07:00
committed by Martin K. Petersen
parent 22089c2180
commit 176b93004c
1 changed files with 11 additions and 10 deletions
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21
drivers/ufs/core/ufshcd.c
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@@ -2822,12 +2822,13 @@ static void ufshcd_prepare_utp_scsi_cmd_upiu(struct scsi_cmnd *cmd,
/**
* ufshcd_prepare_utp_query_req_upiu() - fill the utp_transfer_req_desc for query request
* @hba: UFS hba
* @lrbp: local reference block pointer
* @cmd: SCSI command pointer
* @upiu_flags: flags
*/
static void ufshcd_prepare_utp_query_req_upiu(struct ufs_hba *hba,
struct ufshcd_lrb *lrbp, u8 upiu_flags)
struct scsi_cmnd *cmd, u8 upiu_flags)
{
struct ufshcd_lrb *lrbp = scsi_cmd_priv(cmd);
struct utp_upiu_req *ucd_req_ptr = lrbp->ucd_req_ptr;
struct ufs_query *query = &hba->dev_cmd.query;
u16 len = be16_to_cpu(query->request.upiu_req.length);
@@ -2856,8 +2857,9 @@ static void ufshcd_prepare_utp_query_req_upiu(struct ufs_hba *hba,
memcpy(ucd_req_ptr + 1, query->descriptor, len);
}
static inline void ufshcd_prepare_utp_nop_upiu(struct ufshcd_lrb *lrbp)
static inline void ufshcd_prepare_utp_nop_upiu(struct scsi_cmnd *cmd)
{
struct ufshcd_lrb *lrbp = scsi_cmd_priv(cmd);
struct utp_upiu_req *ucd_req_ptr = lrbp->ucd_req_ptr;
memset(ucd_req_ptr, 0, sizeof(struct utp_upiu_req));
@@ -2872,22 +2874,23 @@ static inline void ufshcd_prepare_utp_nop_upiu(struct ufshcd_lrb *lrbp)
* ufshcd_compose_devman_upiu - UFS Protocol Information Unit(UPIU)
* for Device Management Purposes
* @hba: per adapter instance
* @lrbp: pointer to local reference block
* @cmd: SCSI command pointer
*
* Return: 0 upon success; < 0 upon failure.
*/
static int ufshcd_compose_devman_upiu(struct ufs_hba *hba,
struct ufshcd_lrb *lrbp)
struct scsi_cmnd *cmd)
{
struct ufshcd_lrb *lrbp = scsi_cmd_priv(cmd);
u8 upiu_flags;
int ret = 0;
ufshcd_prepare_req_desc_hdr(hba, lrbp, &upiu_flags, DMA_NONE, 0);
if (hba->dev_cmd.type == DEV_CMD_TYPE_QUERY)
ufshcd_prepare_utp_query_req_upiu(hba, lrbp, upiu_flags);
ufshcd_prepare_utp_query_req_upiu(hba, cmd, upiu_flags);
else if (hba->dev_cmd.type == DEV_CMD_TYPE_NOP)
ufshcd_prepare_utp_nop_upiu(lrbp);
ufshcd_prepare_utp_nop_upiu(cmd);
else
ret = -EINVAL;
@@ -3126,11 +3129,9 @@ static void ufshcd_setup_dev_cmd(struct ufs_hba *hba, struct scsi_cmnd *cmd,
static int ufshcd_compose_dev_cmd(struct ufs_hba *hba, struct scsi_cmnd *cmd,
enum dev_cmd_type cmd_type, int tag)
{
struct ufshcd_lrb *lrbp = scsi_cmd_priv(cmd);
ufshcd_setup_dev_cmd(hba, cmd, cmd_type, 0, tag);
return ufshcd_compose_devman_upiu(hba, lrbp);
return ufshcd_compose_devman_upiu(hba, cmd);
}
/*