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authorJon Mason <jon@opengridcomputing.com>2008-07-15 10:48:49 +0400
committerRoland Dreier <rolandd@cisco.com>2008-07-15 10:48:49 +0400
commit52c8084b740c42af27d5bfa62cec7079d12fbc2b (patch)
treed6bbe61d127501b9d45a74fae7421c452cc2d084 /drivers
parent1ff66e8c1faee7c2711b84b9c89e1c5fcd767839 (diff)
downloadlinux-52c8084b740c42af27d5bfa62cec7079d12fbc2b.tar.xz
RDMA/cxgb3: Propagate HW page size capabilities
cxgb3 does not currently report the page size capabilities, and incorrectly reports them internally. This version changes the bit-shifting to a static value (per Steve's request). Signed-off-by: Jon Mason <jon@opengridcomputing.com> Acked-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/hw/cxgb3/cxio_hal.h1
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch.c2
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_provider.c1
3 files changed, 3 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.h b/drivers/infiniband/hw/cxgb3/cxio_hal.h
index a9ff32c36211..656fe47bc84f 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.h
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.h
@@ -55,6 +55,7 @@
#define T3_MAX_CQ_DEPTH 8192
#define T3_MAX_NUM_STAG (1<<15)
#define T3_MAX_MR_SIZE 0x100000000ULL
+#define T3_PAGESIZE_MASK 0xffff000 /* 4KB-128MB */
#define T3_STAG_UNSET 0xffffffff
diff --git a/drivers/infiniband/hw/cxgb3/iwch.c b/drivers/infiniband/hw/cxgb3/iwch.c
index 06086256ca1d..4489c89d6710 100644
--- a/drivers/infiniband/hw/cxgb3/iwch.c
+++ b/drivers/infiniband/hw/cxgb3/iwch.c
@@ -80,7 +80,7 @@ static void rnic_init(struct iwch_dev *rnicp)
rnicp->attr.max_mem_regs = cxio_num_stags(&rnicp->rdev);
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.mem_pgsizes_bitmask = T3_PAGESIZE_MASK;
rnicp->attr.max_mr_size = T3_MAX_MR_SIZE;
rnicp->attr.can_resize_wq = 0;
rnicp->attr.max_rdma_reads_per_qp = 8;
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index 18a6609f5e01..249d99f4a3cb 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -1130,6 +1130,7 @@ static int iwch_query_device(struct ib_device *ibdev,
props->hw_ver = dev->rdev.t3cdev_p->type;
props->fw_ver = fw_vers_string_to_u64(dev);
props->device_cap_flags = dev->device_cap_flags;
+ props->page_size_cap = dev->attr.mem_pgsizes_bitmask;
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 = dev->attr.max_mr_size;