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RDMA/cxgb3: Propagate HW page size capabilities

Browse source 
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>
This commit is contained in:
Jon Mason 2008-07-14 23:48:49 -07:00 committed by Roland Dreier
parent 1ff66e8c1f
commit 52c8084b74
3 changed files with 3 additions and 1 deletions
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1
drivers/infiniband/hw/cxgb3/cxio_hal.h
View file

@ -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

2
drivers/infiniband/hw/cxgb3/iwch.c
View file

@ -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;

1
drivers/infiniband/hw/cxgb3/iwch_provider.c
View file

@ -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;