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Commit 52c8084b authored by Jon Mason's avatar Jon Mason Committed by Roland Dreier
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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: default avatarJon Mason <jon@opengridcomputing.com>
Acked-by: default avatarSteve Wise <swise@opengridcomputing.com>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent 1ff66e8c

drivers/infiniband/hw/cxgb3/cxio_hal.h

+1 −0
Original line number Diff line number Diff line
@@ -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

drivers/infiniband/hw/cxgb3/iwch.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

drivers/infiniband/hw/cxgb3/iwch_provider.c

+1 −0
Original line number Diff line number Diff line
@@ -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;