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scsi: ufs: core: mcq: Add support to allocate multiple queues

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Multi-circular queue (MCQ) has been added in UFSHC v4.0 standard in
addition to the Single Doorbell mode.  The MCQ mode supports multiple
submission and completion queues.  Add support to allocate and configure
the queues.  Add module parameters support to configure the queues.

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>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Asutosh Das
2023-01-13 12:48:41 -08:00
committed by Martin K. Petersen
parent 0cab4023ec
commit 57b1c0ef89
5 changed files with 142 additions and 1 deletions
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4
include/ufs/ufshcd.h
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@@ -840,6 +840,8 @@ struct ufs_hba_monitor {
* ee_ctrl_mask
* @luns_avail: number of regular and well known LUNs supported by the UFS
* device
* @nr_hw_queues: number of hardware queues configured
* @nr_queues: number of Queues of different queue types
* @complete_put: whether or not to call ufshcd_rpm_put() from inside
* ufshcd_resume_complete()
* @ext_iid_sup: is EXT_IID is supported by UFSHC
@@ -994,6 +996,8 @@ struct ufs_hba {
u32 debugfs_ee_rate_limit_ms;
#endif
u32 luns_avail;
unsigned int nr_hw_queues;
unsigned int nr_queues[HCTX_MAX_TYPES];
bool complete_put;
bool ext_iid_sup;
bool scsi_host_added;