diff options
Diffstat (limited to 'drivers/scsi/mpi3mr/mpi3mr.h')
| -rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr.h b/drivers/scsi/mpi3mr/mpi3mr.h index babb5c52470c..9582ef2da70a 100644 --- a/drivers/scsi/mpi3mr/mpi3mr.h +++ b/drivers/scsi/mpi3mr/mpi3mr.h @@ -74,6 +74,12 @@ extern struct list_head mrioc_list; #define MPI3MR_ADMIN_REQ_FRAME_SZ 128 #define MPI3MR_ADMIN_REPLY_FRAME_SZ 16 +/* Operational queue management definitions */ +#define MPI3MR_OP_REQ_Q_QD 512 +#define MPI3MR_OP_REP_Q_QD 4096 +#define MPI3MR_OP_REQ_Q_SEG_SIZE 4096 +#define MPI3MR_OP_REP_Q_SEG_SIZE 4096 +#define MPI3MR_MAX_SEG_LIST_SIZE 4096 /* Reserved Host Tag definitions */ #define MPI3MR_HOSTTAG_INVALID 0xFFFF @@ -135,6 +141,9 @@ extern struct list_head mrioc_list; (MPI3_SGE_FLAGS_ELEMENT_TYPE_SIMPLE | MPI3_SGE_FLAGS_DLAS_SYSTEM | \ MPI3_SGE_FLAGS_END_OF_LIST) +/* MSI Index from Reply Queue Index */ +#define REPLY_QUEUE_IDX_TO_MSIX_IDX(qidx, offset) (qidx + offset) + /* IOC State definitions */ enum mpi3mr_iocstate { MRIOC_STATE_READY = 1, @@ -226,14 +235,44 @@ struct mpi3mr_ioc_facts { }; /** + * struct segments - memory descriptor structure to store + * virtual and dma addresses for operational queue segments. + * + * @segment: virtual address + * @segment_dma: dma address + */ +struct segments { + void *segment; + dma_addr_t segment_dma; +}; + +/** * struct op_req_qinfo - Operational Request Queue Information * * @ci: consumer index * @pi: producer index + * @num_request: Maximum number of entries in the queue + * @qid: Queue Id starting from 1 + * @reply_qid: Associated reply queue Id + * @num_segments: Number of discontiguous memory segments + * @segment_qd: Depth of each segments + * @q_lock: Concurrent queue access lock + * @q_segments: Segment descriptor pointer + * @q_segment_list: Segment list base virtual address + * @q_segment_list_dma: Segment list base DMA address */ struct op_req_qinfo { u16 ci; u16 pi; + u16 num_requests; + u16 qid; + u16 reply_qid; + u16 num_segments; + u16 segment_qd; + spinlock_t q_lock; + struct segments *q_segments; + void *q_segment_list; + dma_addr_t q_segment_list_dma; }; /** @@ -241,10 +280,24 @@ struct op_req_qinfo { * * @ci: consumer index * @qid: Queue Id starting from 1 + * @num_replies: Maximum number of entries in the queue + * @num_segments: Number of discontiguous memory segments + * @segment_qd: Depth of each segments + * @q_segments: Segment descriptor pointer + * @q_segment_list: Segment list base virtual address + * @q_segment_list_dma: Segment list base DMA address + * @ephase: Expected phased identifier for the reply queue */ struct op_reply_qinfo { u16 ci; u16 qid; + u16 num_replies; + u16 num_segments; + u16 segment_qd; + struct segments *q_segments; + void *q_segment_list; + dma_addr_t q_segment_list_dma; + u8 ephase; }; /** @@ -404,6 +457,7 @@ struct scmd_priv { * @current_event: Firmware event currently in process * @driver_info: Driver, Kernel, OS information to firmware * @change_count: Topology change count + * @op_reply_q_offset: Operational reply queue offset with MSIx */ struct mpi3mr_ioc { struct list_head list; @@ -411,6 +465,7 @@ struct mpi3mr_ioc { struct Scsi_Host *shost; u8 id; int cpu_count; + bool enable_segqueue; char name[MPI3MR_NAME_LENGTH]; char driver_name[MPI3MR_NAME_LENGTH]; @@ -497,6 +552,7 @@ struct mpi3mr_ioc { struct mpi3mr_fwevt *current_event; struct mpi3_driver_info_layout driver_info; u16 change_count; + u16 op_reply_q_offset; }; int mpi3mr_setup_resources(struct mpi3mr_ioc *mrioc); |