diff options
| author | Sumit Saxena <sumit.saxena@broadcom.com> | 2022-04-29 17:16:34 -0400 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2022-05-02 17:02:41 -0400 |
| commit | 4268fa7513655a83d5492705591fdac6c65db48a (patch) | |
| tree | e78ae56f1ef18b4af6fec4f54873e54fce6fd5fc /drivers/scsi/mpi3mr/mpi3mr.h | |
| parent | ebc95c790653508ad7e031cfb9de5d0fa39135e2 (diff) | |
| download | linux-4268fa7513655a83d5492705591fdac6c65db48a.tar.gz | |
scsi: mpi3mr: Add bsg device support
Create bsg device per controller for controller management purposes.
bsg device nodes will be named /dev/bsg/mpi3mrctl0, /dev/bsg/mpi3mrctl1,
etc.
Link: https://lore.kernel.org/r/20220429211641.642010-2-sumit.saxena@broadcom.com
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/mpi3mr/mpi3mr.h')
| -rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr.h b/drivers/scsi/mpi3mr/mpi3mr.h index 96c85f719af0..70bbc2074e15 100644 --- a/drivers/scsi/mpi3mr/mpi3mr.h +++ b/drivers/scsi/mpi3mr/mpi3mr.h @@ -148,6 +148,7 @@ extern int prot_mask; #define MPI3MR_DEFAULT_MDTS (128 * 1024) #define MPI3MR_DEFAULT_PGSZEXP (12) + /* Command retry count definitions */ #define MPI3MR_DEV_RMHS_RETRY_COUNT 3 @@ -175,6 +176,18 @@ extern int prot_mask; /* MSI Index from Reply Queue Index */ #define REPLY_QUEUE_IDX_TO_MSIX_IDX(qidx, offset) (qidx + offset) +/* + * Maximum data transfer size definitions for management + * application commands + */ +#define MPI3MR_MAX_APP_XFER_SIZE (1 * 1024 * 1024) +#define MPI3MR_MAX_APP_XFER_SEGMENTS 512 +/* + * 2048 sectors are for data buffers and additional 512 sectors for + * other buffers + */ +#define MPI3MR_MAX_APP_XFER_SECTORS (2048 + 512) + /* IOC State definitions */ enum mpi3mr_iocstate { MRIOC_STATE_READY = 1, @@ -714,6 +727,8 @@ struct scmd_priv { * @default_qcount: Total Default queues * @active_poll_qcount: Currently active poll queue count * @requested_poll_qcount: User requested poll queue count + * @bsg_dev: BSG device structure + * @bsg_queue: Request queue for BSG device */ struct mpi3mr_ioc { struct list_head list; @@ -854,6 +869,9 @@ struct mpi3mr_ioc { u16 default_qcount; u16 active_poll_qcount; u16 requested_poll_qcount; + + struct device *bsg_dev; + struct request_queue *bsg_queue; }; /** @@ -962,5 +980,7 @@ void mpi3mr_check_rh_fault_ioc(struct mpi3mr_ioc *mrioc, u32 reason_code); int mpi3mr_process_op_reply_q(struct mpi3mr_ioc *mrioc, struct op_reply_qinfo *op_reply_q); int mpi3mr_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num); +void mpi3mr_bsg_init(struct mpi3mr_ioc *mrioc); +void mpi3mr_bsg_exit(struct mpi3mr_ioc *mrioc); #endif /*MPI3MR_H_INCLUDED*/ |