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| author | Asutosh Das <quic_asutoshd@quicinc.com> | 2023-01-13 23:48:51 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2023-01-14 05:03:38 +0300 |
| commit | ed975065c31c2a0372e13c19e8140b69814a98ba (patch) | |
| tree | d8dff0f89d9011ad76ed4d615b44bb0d5b4dcc55 /drivers/ufs/core/ufshcd-priv.h | |
| parent | f87b2c41822aad09aadac31b8ba22c0c0e639eee (diff) | |
| download | linux-ed975065c31c2a0372e13c19e8140b69814a98ba.tar.xz | |
scsi: ufs: core: mcq: Add completion support in poll
Complete CQE requests in poll. Assumption is that several poll completion
may happen in different CPUs for the same completion queue. Hence a spin
lock protection is added.
Co-developed-by: Can Guo <quic_cang@quicinc.com>
Signed-off-by: Can Guo <quic_cang@quicinc.com>
Signed-off-by: Asutosh Das <quic_asutoshd@quicinc.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.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 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/ufs/core/ufshcd-priv.h b/drivers/ufs/core/ufshcd-priv.h index 583fb862013e..9b630907c4dc 100644 --- a/drivers/ufs/core/ufshcd-priv.h +++ b/drivers/ufs/core/ufshcd-priv.h @@ -75,6 +75,8 @@ unsigned long ufshcd_mcq_poll_cqe_nolock(struct ufs_hba *hba, struct ufs_hw_queue *hwq); struct ufs_hw_queue *ufshcd_mcq_req_to_hwq(struct ufs_hba *hba, struct request *req); +unsigned long ufshcd_mcq_poll_cqe_lock(struct ufs_hba *hba, + struct ufs_hw_queue *hwq); #define UFSHCD_MCQ_IO_QUEUE_OFFSET 1 #define SD_ASCII_STD true |