diff options
| author | Steve Wise <swise@opengridcomputing.com> | 2010-05-20 16:58:05 -0500 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2010-05-24 21:08:03 -0700 |
| commit | f64b88433c27815f931d4d5ff7db7ac701fdc8c9 (patch) | |
| tree | 6881d14dc4fd695e237f6003f5898f95eb8f0c9d /drivers/infiniband | |
| parent | 25737bd4ca1b58e86efa9211c1717140e0d4910e (diff) | |
RDMA/cxgb4: Update some HW limits
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/t4.h | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/infiniband/hw/cxgb4/t4.h b/drivers/infiniband/hw/cxgb4/t4.h index 333abd3c726..1057cb96302 100644 --- a/drivers/infiniband/hw/cxgb4/t4.h +++ b/drivers/infiniband/hw/cxgb4/t4.h @@ -41,11 +41,13 @@ #define T4_MAX_NUM_QP (1<<16) #define T4_MAX_NUM_CQ (1<<15) #define T4_MAX_NUM_PD (1<<15) -#define T4_MAX_PBL_SIZE 256 -#define T4_MAX_RQ_SIZE 1024 -#define T4_MAX_SQ_SIZE 1024 -#define T4_MAX_QP_DEPTH (T4_MAX_RQ_SIZE-1) -#define T4_MAX_CQ_DEPTH 8192 +#define T4_EQ_STATUS_ENTRIES (L1_CACHE_BYTES > 64 ? 2 : 1) +#define T4_MAX_EQ_SIZE (65520 - T4_EQ_STATUS_ENTRIES) +#define T4_MAX_IQ_SIZE (65520 - 1) +#define T4_MAX_RQ_SIZE (8192 - T4_EQ_STATUS_ENTRIES) +#define T4_MAX_SQ_SIZE (T4_MAX_EQ_SIZE - 1) +#define T4_MAX_QP_DEPTH (T4_MAX_RQ_SIZE - 1) +#define T4_MAX_CQ_DEPTH (T4_MAX_IQ_SIZE - 1) #define T4_MAX_NUM_STAG (1<<15) #define T4_MAX_MR_SIZE (~0ULL - 1) #define T4_PAGESIZE_MASK 0xffff000 /* 4KB-128MB */ @@ -79,12 +81,11 @@ struct t4_status_page { sizeof(struct fw_ri_isgl)) / sizeof(struct fw_ri_sge)) #define T4_MAX_FR_IMMD ((T4_SQ_NUM_BYTES - sizeof(struct fw_ri_fr_nsmr_wr) - \ sizeof(struct fw_ri_immd))) -#define T4_MAX_FR_DEPTH 255 +#define T4_MAX_FR_DEPTH (T4_MAX_FR_IMMD / sizeof(u64)) #define T4_RQ_NUM_SLOTS 2 #define T4_RQ_NUM_BYTES (T4_EQ_SIZE * T4_RQ_NUM_SLOTS) -#define T4_MAX_RECV_SGE ((T4_RQ_NUM_BYTES - sizeof(struct fw_ri_recv_wr) - \ - sizeof(struct fw_ri_isgl)) / sizeof(struct fw_ri_sge)) +#define T4_MAX_RECV_SGE 4 union t4_wr { struct fw_ri_res_wr res; |