diff options
Diffstat (limited to 'drivers/infiniband/hw/bnxt_re/qplib_rcfw.h')
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/qplib_rcfw.h | 59 |
1 files changed, 45 insertions, 14 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h index 9a8687dc0a79..be0ef0e8c53e 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h @@ -63,32 +63,60 @@ #define RCFW_CMD_WAIT_TIME_MS 20000 /* 20 Seconds timeout */ +/* Cmdq contains a fix number of a 16-Byte slots */ +struct bnxt_qplib_cmdqe { + u8 data[16]; +}; + /* CMDQ elements */ -#define BNXT_QPLIB_CMDQE_MAX_CNT 256 +#define BNXT_QPLIB_CMDQE_MAX_CNT_256 256 +#define BNXT_QPLIB_CMDQE_MAX_CNT_8192 8192 #define BNXT_QPLIB_CMDQE_UNITS sizeof(struct bnxt_qplib_cmdqe) -#define BNXT_QPLIB_CMDQE_CNT_PER_PG (PAGE_SIZE / BNXT_QPLIB_CMDQE_UNITS) +#define BNXT_QPLIB_CMDQE_BYTES(depth) ((depth) * BNXT_QPLIB_CMDQE_UNITS) + +static inline u32 bnxt_qplib_cmdqe_npages(u32 depth) +{ + u32 npages; + + npages = BNXT_QPLIB_CMDQE_BYTES(depth) / PAGE_SIZE; + if (BNXT_QPLIB_CMDQE_BYTES(depth) % PAGE_SIZE) + npages++; + return npages; +} + +static inline u32 bnxt_qplib_cmdqe_page_size(u32 depth) +{ + return (bnxt_qplib_cmdqe_npages(depth) * PAGE_SIZE); +} + +static inline u32 bnxt_qplib_cmdqe_cnt_per_pg(u32 depth) +{ + return (bnxt_qplib_cmdqe_page_size(depth) / + BNXT_QPLIB_CMDQE_UNITS); +} -#define MAX_CMDQ_IDX (BNXT_QPLIB_CMDQE_MAX_CNT - 1) -#define MAX_CMDQ_IDX_PER_PG (BNXT_QPLIB_CMDQE_CNT_PER_PG - 1) +#define MAX_CMDQ_IDX(depth) ((depth) - 1) + +static inline u32 bnxt_qplib_max_cmdq_idx_per_pg(u32 depth) +{ + return (bnxt_qplib_cmdqe_cnt_per_pg(depth) - 1); +} -#define RCFW_MAX_OUTSTANDING_CMD BNXT_QPLIB_CMDQE_MAX_CNT #define RCFW_MAX_COOKIE_VALUE 0x7FFF #define RCFW_CMD_IS_BLOCKING 0x8000 #define RCFW_BLOCKED_CMD_WAIT_COUNT 0x4E20 -/* Cmdq contains a fix number of a 16-Byte slots */ -struct bnxt_qplib_cmdqe { - u8 data[16]; -}; +#define HWRM_VERSION_RCFW_CMDQ_DEPTH_CHECK 0x1000900020011ULL -static inline u32 get_cmdq_pg(u32 val) +static inline u32 get_cmdq_pg(u32 val, u32 depth) { - return (val & ~MAX_CMDQ_IDX_PER_PG) / BNXT_QPLIB_CMDQE_CNT_PER_PG; + return (val & ~(bnxt_qplib_max_cmdq_idx_per_pg(depth))) / + (bnxt_qplib_cmdqe_cnt_per_pg(depth)); } -static inline u32 get_cmdq_idx(u32 val) +static inline u32 get_cmdq_idx(u32 val, u32 depth) { - return val & MAX_CMDQ_IDX_PER_PG; + return val & (bnxt_qplib_max_cmdq_idx_per_pg(depth)); } /* Crsq buf is 1024-Byte */ @@ -194,11 +222,14 @@ struct bnxt_qplib_rcfw { struct bnxt_qplib_qp_node *qp_tbl; u64 oos_prev; u32 init_oos_stats; + u32 cmdq_depth; }; void bnxt_qplib_free_rcfw_channel(struct bnxt_qplib_rcfw *rcfw); int bnxt_qplib_alloc_rcfw_channel(struct pci_dev *pdev, - struct bnxt_qplib_rcfw *rcfw, int qp_tbl_sz); + struct bnxt_qplib_rcfw *rcfw, + struct bnxt_qplib_ctx *ctx, + int qp_tbl_sz); void bnxt_qplib_rcfw_stop_irq(struct bnxt_qplib_rcfw *rcfw, bool kill); void bnxt_qplib_disable_rcfw_channel(struct bnxt_qplib_rcfw *rcfw); int bnxt_qplib_rcfw_start_irq(struct bnxt_qplib_rcfw *rcfw, int msix_vector, |