From 22a2d563de1425ea294e9abfa104dbf20c83a28a Mon Sep 17 00:00:00 2001 From: Asutosh Das Date: Fri, 13 Jan 2023 12:48:47 -0800 Subject: scsi: ufs: core: Prepare ufshcd_send_command() for MCQ Add support to send commands using multiple submission queues in MCQ mode. Modify the functions that use ufshcd_send_command(). Co-developed-by: Can Guo Signed-off-by: Can Guo Signed-off-by: Asutosh Das Reviewed-by: Bart Van Assche Reviewed-by: Manivannan Sadhasivam Reviewed-by: Stanley Chu Signed-off-by: Martin K. Petersen --- include/ufs/ufshcd.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'include/ufs') diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h index 13a2f17daa8c..019b8cf23b29 100644 --- a/include/ufs/ufshcd.h +++ b/include/ufs/ufshcd.h @@ -224,6 +224,7 @@ struct ufs_dev_cmd { struct mutex lock; struct completion *complete; struct ufs_query query; + struct cq_entry *cqe; }; /** @@ -1078,6 +1079,8 @@ struct ufs_hba { * @cqe_dma_addr: completion queue dma address * @max_entries: max number of slots in this hardware queue * @id: hardware queue ID + * @sq_tp_slot: current slot to which SQ tail pointer is pointing + * @sq_lock: serialize submission queue access */ struct ufs_hw_queue { void __iomem *mcq_sq_head; @@ -1091,6 +1094,8 @@ struct ufs_hw_queue { dma_addr_t cqe_dma_addr; u32 max_entries; u32 id; + u32 sq_tail_slot; + spinlock_t sq_lock; }; static inline bool is_mcq_enabled(struct ufs_hba *hba) -- cgit v1.2.3