diff options
author | Bao D. Nguyen <quic_nguyenb@quicinc.com> | 2023-05-30 01:12:22 +0300 |
---|---|---|
committer | Martin K. Petersen <martin.petersen@oracle.com> | 2023-06-01 03:17:08 +0300 |
commit | 8d7290348992f27242dd6a696fa2eede709f0b14 (patch) | |
tree | e93445c8f56bd21574d83f15f9c546a1b0f153d1 /drivers/ufs/core/ufshcd-priv.h | |
parent | 7aa12d2fe89d7b95ad01ca38a291c7ec3efe7599 (diff) | |
download | linux-8d7290348992f27242dd6a696fa2eede709f0b14.tar.xz |
scsi: ufs: mcq: Add supporting functions for MCQ abort
Add supporting functions to handle UFS abort in MCQ mode.
Signed-off-by: Bao D. Nguyen <quic_nguyenb@quicinc.com>
Link: https://lore.kernel.org/r/d452c5ad62dc863cc067ec82daa0885ec98bd508.1685396241.git.quic_nguyenb@quicinc.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Tested-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Can Guo <quic_cang@quicinc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/ufs/core/ufshcd-priv.h')
-rw-r--r-- | drivers/ufs/core/ufshcd-priv.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/ufs/core/ufshcd-priv.h b/drivers/ufs/core/ufshcd-priv.h index d53b93c21a0c..40727e89200d 100644 --- a/drivers/ufs/core/ufshcd-priv.h +++ b/drivers/ufs/core/ufshcd-priv.h @@ -78,6 +78,8 @@ struct ufs_hw_queue *ufshcd_mcq_req_to_hwq(struct ufs_hba *hba, unsigned long ufshcd_mcq_poll_cqe_lock(struct ufs_hba *hba, struct ufs_hw_queue *hwq); +int ufshcd_mcq_sq_cleanup(struct ufs_hba *hba, int task_tag); + #define UFSHCD_MCQ_IO_QUEUE_OFFSET 1 #define SD_ASCII_STD true #define SD_RAW false @@ -404,4 +406,12 @@ static inline struct cq_entry *ufshcd_mcq_cur_cqe(struct ufs_hw_queue *q) return cqe + q->cq_head_slot; } + +static inline u32 ufshcd_mcq_get_sq_head_slot(struct ufs_hw_queue *q) +{ + u32 val = readl(q->mcq_sq_head); + + return val / sizeof(struct utp_transfer_req_desc); +} + #endif /* _UFSHCD_PRIV_H_ */ |