diff options
| author | Steve Wise <swise@opengridcomputing.com> | 2008-04-29 20:46:52 (GMT) |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2008-04-29 20:46:52 (GMT) |
| commit | ccaf10d0ad17bf755750160ebe594de7261a893e (patch) | |
| tree | 74c49b7d303cac5b7a25afd6cfb7859cc379ec68 | |
| parent | 989a1780698c65dfe093a6aa89ceeff84c31f528 (diff) | |
| download | linux-ccaf10d0ad17bf755750160ebe594de7261a893e.tar.xz | |
RDMA/cxgb3: Set the max_mr_size device attribute correctly
cxgb3 only supports 4GB memory regions. The lustre RDMA code uses
this attribute and currently has to code around our bad setting.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
| -rw-r--r-- | drivers/infiniband/hw/cxgb3/cxio_hal.h | 1 | ||||
| -rw-r--r-- | drivers/infiniband/hw/cxgb3/iwch.c | 1 | ||||
| -rw-r--r-- | drivers/infiniband/hw/cxgb3/iwch.h | 1 | ||||
| -rw-r--r-- | drivers/infiniband/hw/cxgb3/iwch_provider.c | 2 |
4 files changed, 4 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.h b/drivers/infiniband/hw/cxgb3/cxio_hal.h index 99543d6..2bcff7f 100644 --- a/drivers/infiniband/hw/cxgb3/cxio_hal.h +++ b/drivers/infiniband/hw/cxgb3/cxio_hal.h @@ -53,6 +53,7 @@ #define T3_MAX_PBL_SIZE 256 #define T3_MAX_RQ_SIZE 1024 #define T3_MAX_NUM_STAG (1<<15) +#define T3_MAX_MR_SIZE 0x100000000ULL #define T3_STAG_UNSET 0xffffffff diff --git a/drivers/infiniband/hw/cxgb3/iwch.c b/drivers/infiniband/hw/cxgb3/iwch.c index 6ba4138..71554ea 100644 --- a/drivers/infiniband/hw/cxgb3/iwch.c +++ b/drivers/infiniband/hw/cxgb3/iwch.c @@ -83,6 +83,7 @@ static void rnic_init(struct iwch_dev *rnicp) rnicp->attr.max_phys_buf_entries = T3_MAX_PBL_SIZE; rnicp->attr.max_pds = T3_MAX_NUM_PD - 1; rnicp->attr.mem_pgsizes_bitmask = 0x7FFF; /* 4KB-128MB */ + rnicp->attr.max_mr_size = T3_MAX_MR_SIZE; rnicp->attr.can_resize_wq = 0; rnicp->attr.max_rdma_reads_per_qp = 8; rnicp->attr.max_rdma_read_resources = diff --git a/drivers/infiniband/hw/cxgb3/iwch.h b/drivers/infiniband/hw/cxgb3/iwch.h index 9ad9b1e..d2409a5 100644 --- a/drivers/infiniband/hw/cxgb3/iwch.h +++ b/drivers/infiniband/hw/cxgb3/iwch.h @@ -66,6 +66,7 @@ struct iwch_rnic_attributes { * size (4k)^i. Phys block list mode unsupported. */ u32 mem_pgsizes_bitmask; + u64 max_mr_size; u8 can_resize_wq; /* diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index e343e9e..d07d3a3 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -998,7 +998,7 @@ static int iwch_query_device(struct ib_device *ibdev, props->device_cap_flags = dev->device_cap_flags; props->vendor_id = (u32)dev->rdev.rnic_info.pdev->vendor; props->vendor_part_id = (u32)dev->rdev.rnic_info.pdev->device; - props->max_mr_size = ~0ull; + props->max_mr_size = dev->attr.max_mr_size; props->max_qp = dev->attr.max_qps; props->max_qp_wr = dev->attr.max_wrs; props->max_sge = dev->attr.max_sge_per_wr; |