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RDMA/bnxt_re: Update ABI to pass wqe-mode to user space

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Changing ucontext ABI response structure to pass wqe_mode to user library.
A flag in comp_mask has been set to indicate presence of wqe_mode.

Moved wqe-mode ABI to uapi/rdma/bnxt_re-abi.h

Link: https://lore.kernel.org/r/20210616202817.1185276-1-devesh.sharma@broadcom.com
Signed-off-by: Devesh Sharma <devesh.sharma@broadcom.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Devesh Sharma 2021-06-17 01:58:17 +05:30 committed by Jason Gunthorpe
parent 84dcd8c7ea
commit 879740517d
4 changed files with 15 additions and 7 deletions
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3
drivers/infiniband/hw/bnxt_re/ib_verbs.c
View file

@ -3882,6 +3882,9 @@ int bnxt_re_alloc_ucontext(struct ib_ucontext *ctx, struct ib_udata *udata)
resp.max_cqd = dev_attr->max_cq_wqes;
resp.rsvd = 0;
resp.comp_mask |= BNXT_RE_UCNTX_CMASK_HAVE_MODE;
resp.mode = rdev->chip_ctx->modes.wqe_mode;
rc = ib_copy_to_udata(udata, &resp, min(udata->outlen, sizeof(resp)));
if (rc) {
ibdev_err(ibdev, "Failed to copy user context");

2
drivers/infiniband/hw/bnxt_re/qplib_fp.h
View file

@ -39,6 +39,8 @@
#ifndef __BNXT_QPLIB_FP_H__
#define __BNXT_QPLIB_FP_H__
#include <rdma/bnxt_re-abi.h>
/* Few helper structures temporarily defined here
* should get rid of these when roce_hsi.h is updated
* in original code base

6
drivers/infiniband/hw/bnxt_re/qplib_res.h
View file

@ -45,12 +45,6 @@ extern const struct bnxt_qplib_gid bnxt_qplib_gid_zero;
#define CHIP_NUM_57504 0x1751
#define CHIP_NUM_57502 0x1752
enum bnxt_qplib_wqe_mode {
BNXT_QPLIB_WQE_MODE_STATIC = 0x00,
BNXT_QPLIB_WQE_MODE_VARIABLE = 0x01,
BNXT_QPLIB_WQE_MODE_INVALID = 0x02
};
struct bnxt_qplib_drv_modes {
u8 wqe_mode;
/* Other modes to follow here */

11
include/uapi/rdma/bnxt_re-abi.h
View file

@ -49,7 +49,14 @@
#define BNXT_RE_CHIP_ID0_CHIP_MET_SFT 0x18
enum {
BNXT_RE_UCNTX_CMASK_HAVE_CCTX = 0x1ULL
BNXT_RE_UCNTX_CMASK_HAVE_CCTX = 0x1ULL,
BNXT_RE_UCNTX_CMASK_HAVE_MODE = 0x02ULL,
};
enum bnxt_re_wqe_mode {
BNXT_QPLIB_WQE_MODE_STATIC = 0x00,
BNXT_QPLIB_WQE_MODE_VARIABLE = 0x01,
BNXT_QPLIB_WQE_MODE_INVALID = 0x02,
};
struct bnxt_re_uctx_resp {
@ -62,6 +69,8 @@ struct bnxt_re_uctx_resp {
__aligned_u64 comp_mask;
__u32 chip_id0;
__u32 chip_id1;
__u32 mode;
__u32 rsvd1; /* padding */
};
/*