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authorBart Van Assche <bart.vanassche@wdc.com>2018-07-18 09:25:14 -0700
committerJason Gunthorpe <jgg@mellanox.com>2018-07-30 20:00:20 -0600
commitf696bf6d64b195b83ca1bdb7cd33c999c9dcf514 (patch)
treec73dddbbb273847bc59b8529da1617799ab7e72f
parentIB/iser: Inline two work request conversion functions (diff)
downloadlinux-dev-f696bf6d64b195b83ca1bdb7cd33c999c9dcf514.tar.xz
linux-dev-f696bf6d64b195b83ca1bdb7cd33c999c9dcf514.zip
RDMA: Constify the argument of the work request conversion functions
When posting a send work request, the work request that is posted is not modified by any of the RDMA drivers. Make this explicit by constifying most ib_send_wr pointers in RDMA transport drivers. Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Steve Wise <swise@opengridcomputing.com> Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
-rw-r--r--drivers/infiniband/hw/bnxt_re/ib_verbs.c18
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_qp.c20
-rw-r--r--drivers/infiniband/hw/cxgb4/qp.c21
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_device.h2
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_hw_v2.c4
-rw-r--r--drivers/infiniband/hw/mlx4/qp.c25
-rw-r--r--drivers/infiniband/hw/mlx5/mlx5_ib.h2
-rw-r--r--drivers/infiniband/hw/mlx5/qp.c31
-rw-r--r--drivers/infiniband/hw/mthca/mthca_qp.c8
-rw-r--r--drivers/infiniband/hw/nes/nes_verbs.c3
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_verbs.c12
-rw-r--r--drivers/infiniband/hw/qedr/qedr_roce_cm.c4
-rw-r--r--drivers/infiniband/hw/qedr/verbs.c7
-rw-r--r--drivers/infiniband/hw/qib/qib_verbs.h2
-rw-r--r--drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c3
-rw-r--r--drivers/infiniband/sw/rdmavt/qp.c4
-rw-r--r--drivers/infiniband/sw/rxe/rxe_verbs.c8
-rw-r--r--include/rdma/ib_verbs.h11
18 files changed, 97 insertions, 88 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index dd800d153aa2..a0082e0bb8e2 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -1876,7 +1876,7 @@ out:
/* Routine for sending QP1 packets for RoCE V1 an V2
*/
static int bnxt_re_build_qp1_send_v2(struct bnxt_re_qp *qp,
- struct ib_send_wr *wr,
+ const struct ib_send_wr *wr,
struct bnxt_qplib_swqe *wqe,
int payload_size)
{
@@ -2093,7 +2093,7 @@ static int is_ud_qp(struct bnxt_re_qp *qp)
}
static int bnxt_re_build_send_wqe(struct bnxt_re_qp *qp,
- struct ib_send_wr *wr,
+ const struct ib_send_wr *wr,
struct bnxt_qplib_swqe *wqe)
{
struct bnxt_re_ah *ah = NULL;
@@ -2131,7 +2131,7 @@ static int bnxt_re_build_send_wqe(struct bnxt_re_qp *qp,
return 0;
}
-static int bnxt_re_build_rdma_wqe(struct ib_send_wr *wr,
+static int bnxt_re_build_rdma_wqe(const struct ib_send_wr *wr,
struct bnxt_qplib_swqe *wqe)
{
switch (wr->opcode) {
@@ -2163,7 +2163,7 @@ static int bnxt_re_build_rdma_wqe(struct ib_send_wr *wr,
return 0;
}
-static int bnxt_re_build_atomic_wqe(struct ib_send_wr *wr,
+static int bnxt_re_build_atomic_wqe(const struct ib_send_wr *wr,
struct bnxt_qplib_swqe *wqe)
{
switch (wr->opcode) {
@@ -2190,7 +2190,7 @@ static int bnxt_re_build_atomic_wqe(struct ib_send_wr *wr,
return 0;
}
-static int bnxt_re_build_inv_wqe(struct ib_send_wr *wr,
+static int bnxt_re_build_inv_wqe(const struct ib_send_wr *wr,
struct bnxt_qplib_swqe *wqe)
{
wqe->type = BNXT_QPLIB_SWQE_TYPE_LOCAL_INV;
@@ -2209,7 +2209,7 @@ static int bnxt_re_build_inv_wqe(struct ib_send_wr *wr,
return 0;
}
-static int bnxt_re_build_reg_wqe(struct ib_reg_wr *wr,
+static int bnxt_re_build_reg_wqe(const struct ib_reg_wr *wr,
struct bnxt_qplib_swqe *wqe)
{
struct bnxt_re_mr *mr = container_of(wr->mr, struct bnxt_re_mr, ib_mr);
@@ -2251,7 +2251,7 @@ static int bnxt_re_build_reg_wqe(struct ib_reg_wr *wr,
}
static int bnxt_re_copy_inline_data(struct bnxt_re_dev *rdev,
- struct ib_send_wr *wr,
+ const struct ib_send_wr *wr,
struct bnxt_qplib_swqe *wqe)
{
/* Copy the inline data to the data field */
@@ -2281,7 +2281,7 @@ static int bnxt_re_copy_inline_data(struct bnxt_re_dev *rdev,
}
static int bnxt_re_copy_wr_payload(struct bnxt_re_dev *rdev,
- struct ib_send_wr *wr,
+ const struct ib_send_wr *wr,
struct bnxt_qplib_swqe *wqe)
{
int payload_sz = 0;
@@ -2313,7 +2313,7 @@ static void bnxt_ud_qp_hw_stall_workaround(struct bnxt_re_qp *qp)
static int bnxt_re_post_send_shadow_qp(struct bnxt_re_dev *rdev,
struct bnxt_re_qp *qp,
- struct ib_send_wr *wr)
+ const struct ib_send_wr *wr)
{
struct bnxt_qplib_swqe wqe;
int rc = 0, payload_sz = 0;
diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c
index 3871e1fd8395..29ab6910a004 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_qp.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c
@@ -39,8 +39,8 @@
#define NO_SUPPORT -1
-static int build_rdma_send(union t3_wr *wqe, struct ib_send_wr *wr,
- u8 * flit_cnt)
+static int build_rdma_send(union t3_wr *wqe, const struct ib_send_wr *wr,
+ u8 *flit_cnt)
{
int i;
u32 plen;
@@ -84,8 +84,8 @@ static int build_rdma_send(union t3_wr *wqe, struct ib_send_wr *wr,
return 0;
}
-static int build_rdma_write(union t3_wr *wqe, struct ib_send_wr *wr,
- u8 *flit_cnt)
+static int build_rdma_write(union t3_wr *wqe, const struct ib_send_wr *wr,
+ u8 *flit_cnt)
{
int i;
u32 plen;
@@ -125,8 +125,8 @@ static int build_rdma_write(union t3_wr *wqe, struct ib_send_wr *wr,
return 0;
}
-static int build_rdma_read(union t3_wr *wqe, struct ib_send_wr *wr,
- u8 *flit_cnt)
+static int build_rdma_read(union t3_wr *wqe, const struct ib_send_wr *wr,
+ u8 *flit_cnt)
{
if (wr->num_sge > 1)
return -EINVAL;
@@ -146,8 +146,8 @@ static int build_rdma_read(union t3_wr *wqe, struct ib_send_wr *wr,
return 0;
}
-static int build_memreg(union t3_wr *wqe, struct ib_reg_wr *wr,
- u8 *flit_cnt, int *wr_cnt, struct t3_wq *wq)
+static int build_memreg(union t3_wr *wqe, const struct ib_reg_wr *wr,
+ u8 *flit_cnt, int *wr_cnt, struct t3_wq *wq)
{
struct iwch_mr *mhp = to_iwch_mr(wr->mr);
int i;
@@ -189,8 +189,8 @@ static int build_memreg(union t3_wr *wqe, struct ib_reg_wr *wr,
return 0;
}
-static int build_inv_stag(union t3_wr *wqe, struct ib_send_wr *wr,
- u8 *flit_cnt)
+static int build_inv_stag(union t3_wr *wqe, const struct ib_send_wr *wr,
+ u8 *flit_cnt)
{
wqe->local_inv.stag = cpu_to_be32(wr->ex.invalidate_rkey);
wqe->local_inv.reserved = 0;
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index 08dc555942af..dbd697b113ec 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -410,7 +410,7 @@ free_sq_qid:
}
static int build_immd(struct t4_sq *sq, struct fw_ri_immd *immdp,
- struct ib_send_wr *wr, int max, u32 *plenp)
+ const struct ib_send_wr *wr, int max, u32 *plenp)
{
u8 *dstp, *srcp;
u32 plen = 0;
@@ -480,7 +480,7 @@ static int build_isgl(__be64 *queue_start, __be64 *queue_end,
}
static int build_rdma_send(struct t4_sq *sq, union t4_wr *wqe,
- struct ib_send_wr *wr, u8 *len16)
+ const struct ib_send_wr *wr, u8 *len16)
{
u32 plen;
int size;
@@ -547,7 +547,7 @@ static int build_rdma_send(struct t4_sq *sq, union t4_wr *wqe,
}
static int build_rdma_write(struct t4_sq *sq, union t4_wr *wqe,
- struct ib_send_wr *wr, u8 *len16)
+ const struct ib_send_wr *wr, u8 *len16)
{
u32 plen;
int size;
@@ -589,7 +589,8 @@ static int build_rdma_write(struct t4_sq *sq, union t4_wr *wqe,
return 0;
}
-static int build_rdma_read(union t4_wr *wqe, struct ib_send_wr *wr, u8 *len16)
+static int build_rdma_read(union t4_wr *wqe, const struct ib_send_wr *wr,
+ u8 *len16)
{
if (wr->num_sge > 1)
return -EINVAL;
@@ -648,7 +649,7 @@ static int build_srq_recv(union t4_recv_wr *wqe, struct ib_recv_wr *wr,
}
static void build_tpte_memreg(struct fw_ri_fr_nsmr_tpte_wr *fr,
- struct ib_reg_wr *wr, struct c4iw_mr *mhp,
+ const struct ib_reg_wr *wr, struct c4iw_mr *mhp,
u8 *len16)
{
__be64 *p = (__be64 *)fr->pbl;
@@ -680,8 +681,8 @@ static void build_tpte_memreg(struct fw_ri_fr_nsmr_tpte_wr *fr,
}
static int build_memreg(struct t4_sq *sq, union t4_wr *wqe,
- struct ib_reg_wr *wr, struct c4iw_mr *mhp, u8 *len16,
- bool dsgl_supported)
+ const struct ib_reg_wr *wr, struct c4iw_mr *mhp,
+ u8 *len16, bool dsgl_supported)
{
struct fw_ri_immd *imdp;
__be64 *p;
@@ -743,7 +744,8 @@ static int build_memreg(struct t4_sq *sq, union t4_wr *wqe,
return 0;
}
-static int build_inv_stag(union t4_wr *wqe, struct ib_send_wr *wr, u8 *len16)
+static int build_inv_stag(union t4_wr *wqe, const struct ib_send_wr *wr,
+ u8 *len16)
{
wqe->inv.stag_inv = cpu_to_be32(wr->ex.invalidate_rkey);
wqe->inv.r2 = 0;
@@ -862,7 +864,8 @@ static int ib_to_fw_opcode(int ib_opcode)
return opcode;
}
-static int complete_sq_drain_wr(struct c4iw_qp *qhp, struct ib_send_wr *wr)
+static int complete_sq_drain_wr(struct c4iw_qp *qhp,
+ const struct ib_send_wr *wr)
{
struct t4_cqe cqe = {};
struct c4iw_cq *schp;
diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h
index a595e72f243e..ceb490c732c0 100644
--- a/drivers/infiniband/hw/hns/hns_roce_device.h
+++ b/drivers/infiniband/hw/hns/hns_roce_device.h
@@ -985,7 +985,7 @@ void hns_roce_qp_remove(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp);
void hns_roce_qp_free(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp);
void hns_roce_release_range_qp(struct hns_roce_dev *hr_dev, int base_qpn,
int cnt);
-__be32 send_ieth(struct ib_send_wr *wr);
+__be32 send_ieth(const struct ib_send_wr *wr);
int to_hr_qp_type(int qp_type);
struct ib_cq *hns_roce_ib_create_cq(struct ib_device *ib_dev,
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 6fa12f2262f4..a9bc6b279175 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -53,7 +53,7 @@ static void set_data_seg_v2(struct hns_roce_v2_wqe_data_seg *dseg,
dseg->len = cpu_to_le32(sg->length);
}
-static void set_extend_sge(struct hns_roce_qp *qp, struct ib_send_wr *wr,
+static void set_extend_sge(struct hns_roce_qp *qp, const struct ib_send_wr *wr,
unsigned int *sge_ind)
{
struct hns_roce_v2_wqe_data_seg *dseg;
@@ -100,7 +100,7 @@ static void set_extend_sge(struct hns_roce_qp *qp, struct ib_send_wr *wr,
}
}
-static int set_rwqe_data_seg(struct ib_qp *ibqp, struct ib_send_wr *wr,
+static int set_rwqe_data_seg(struct ib_qp *ibqp, const struct ib_send_wr *wr,
struct hns_roce_v2_rc_send_wqe *rc_sq_wqe,
void *wqe, unsigned int *sge_ind,
struct ib_send_wr **bad_wr)
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 408e720fd923..44fc684b5e3a 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -2925,7 +2925,7 @@ static int vf_get_qp0_qkey(struct mlx4_dev *dev, int qpn, u32 *qkey)
}
static int build_sriov_qp0_header(struct mlx4_ib_sqp *sqp,
- struct ib_ud_wr *wr,
+ const struct ib_ud_wr *wr,
void *wqe, unsigned *mlx_seg_len)
{
struct mlx4_ib_dev *mdev = to_mdev(sqp->qp.ibqp.device);
@@ -3073,7 +3073,7 @@ static int fill_gid_by_hw_index(struct mlx4_ib_dev *ibdev, u8 port_num,
}
#define MLX4_ROCEV2_QP1_SPORT 0xC000
-static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_ud_wr *wr,
+static int build_mlx_header(struct mlx4_ib_sqp *sqp, const struct ib_ud_wr *wr,
void *wqe, unsigned *mlx_seg_len)
{
struct ib_device *ib_dev = sqp->qp.ibqp.device;
@@ -3355,7 +3355,7 @@ static __be32 convert_access(int acc)
}
static void set_reg_seg(struct mlx4_wqe_fmr_seg *fseg,
- struct ib_reg_wr *wr)
+ const struct ib_reg_wr *wr)
{
struct mlx4_ib_mr *mr = to_mmr(wr->mr);
@@ -3385,7 +3385,7 @@ static __always_inline void set_raddr_seg(struct mlx4_wqe_raddr_seg *rseg,
}
static void set_atomic_seg(struct mlx4_wqe_atomic_seg *aseg,
- struct ib_atomic_wr *wr)
+ const struct ib_atomic_wr *wr)
{
if (wr->wr.opcode == IB_WR_ATOMIC_CMP_AND_SWP) {
aseg->swap_add = cpu_to_be64(wr->swap);
@@ -3401,7 +3401,7 @@ static void set_atomic_seg(struct mlx4_wqe_atomic_seg *aseg,
}
static void set_masked_atomic_seg(struct mlx4_wqe_masked_atomic_seg *aseg,
- struct ib_atomic_wr *wr)
+ const struct ib_atomic_wr *wr)
{
aseg->swap_add = cpu_to_be64(wr->swap);
aseg->swap_add_mask = cpu_to_be64(wr->swap_mask);
@@ -3410,7 +3410,7 @@ static void set_masked_atomic_seg(struct mlx4_wqe_masked_atomic_seg *aseg,
}
static void set_datagram_seg(struct mlx4_wqe_datagram_seg *dseg,
- struct ib_ud_wr *wr)
+ const struct ib_ud_wr *wr)
{
memcpy(dseg->av, &to_mah(wr->ah)->av, sizeof (struct mlx4_av));
dseg->dqpn = cpu_to_be32(wr->remote_qpn);
@@ -3421,7 +3421,7 @@ static void set_datagram_seg(struct mlx4_wqe_datagram_seg *dseg,
static void set_tunnel_datagram_seg(struct mlx4_ib_dev *dev,
struct mlx4_wqe_datagram_seg *dseg,
- struct ib_ud_wr *wr,
+ const struct ib_ud_wr *wr,
enum mlx4_ib_qp_type qpt)
{
union mlx4_ext_av *av = &to_mah(wr->ah)->av;
@@ -3443,7 +3443,8 @@ static void set_tunnel_datagram_seg(struct mlx4_ib_dev *dev,
dseg->qkey = cpu_to_be32(IB_QP_SET_QKEY);
}
-static void build_tunnel_header(struct ib_ud_wr *wr, void *wqe, unsigned *mlx_seg_len)
+static void build_tunnel_header(const struct ib_ud_wr *wr, void *wqe,
+ unsigned *mlx_seg_len)
{
struct mlx4_wqe_inline_seg *inl = wqe;
struct mlx4_ib_tunnel_header hdr;
@@ -3526,9 +3527,9 @@ static void __set_data_seg(struct mlx4_wqe_data_seg *dseg, struct ib_sge *sg)
dseg->addr = cpu_to_be64(sg->addr);
}
-static int build_lso_seg(struct mlx4_wqe_lso_seg *wqe, struct ib_ud_wr *wr,
- struct mlx4_ib_qp *qp, unsigned *lso_seg_len,
- __be32 *lso_hdr_sz, __be32 *blh)
+static int build_lso_seg(struct mlx4_wqe_lso_seg *wqe,
+ const struct ib_ud_wr *wr, struct mlx4_ib_qp *qp,
+ unsigned *lso_seg_len, __be32 *lso_hdr_sz, __be32 *blh)
{
unsigned halign = ALIGN(sizeof *wqe + wr->hlen, 16);
@@ -3546,7 +3547,7 @@ static int build_lso_seg(struct mlx4_wqe_lso_seg *wqe, struct ib_ud_wr *wr,
return 0;
}
-static __be32 send_ieth(struct ib_send_wr *wr)
+static __be32 send_ieth(const struct ib_send_wr *wr)
{
switch (wr->opcode) {
case IB_WR_SEND_WITH_IMM:
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index 462505c8fa25..8d9eaa31fab2 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -469,7 +469,7 @@ struct mlx5_umr_wr {
u32 mkey;
};
-static inline struct mlx5_umr_wr *umr_wr(struct ib_send_wr *wr)
+static inline const struct mlx5_umr_wr *umr_wr(const struct ib_send_wr *wr)
{
return container_of(wr, struct mlx5_umr_wr, wr);
}
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index d4414015b64f..3cbd00015182 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -3508,7 +3508,7 @@ static __always_inline void set_raddr_seg(struct mlx5_wqe_raddr_seg *rseg,
}
static void *set_eth_seg(struct mlx5_wqe_eth_seg *eseg,
- struct ib_send_wr *wr, void *qend,
+ const struct ib_send_wr *wr, void *qend,
struct mlx5_ib_qp *qp, int *size)
{
void *seg = eseg;
@@ -3561,7 +3561,7 @@ static void *set_eth_seg(struct mlx5_wqe_eth_seg *eseg,
}
static void set_datagram_seg(struct mlx5_wqe_datagram_seg *dseg,
- struct ib_send_wr *wr)
+ const struct ib_send_wr *wr)
{
memcpy(&dseg->av, &to_mah(ud_wr(wr)->ah)->av, sizeof(struct mlx5_av));
dseg->av.dqp_dct = cpu_to_be32(ud_wr(wr)->remote_qpn | MLX5_EXTENDED_UD_AV);
@@ -3709,9 +3709,9 @@ static int umr_check_mkey_mask(struct mlx5_ib_dev *dev, u64 mask)
static int set_reg_umr_segment(struct mlx5_ib_dev *dev,
struct mlx5_wqe_umr_ctrl_seg *umr,
- struct ib_send_wr *wr, int atomic)
+ const struct ib_send_wr *wr, int atomic)
{
- struct mlx5_umr_wr *umrwr = umr_wr(wr);
+ const struct mlx5_umr_wr *umrwr = umr_wr(wr);
memset(umr, 0, sizeof(*umr));
@@ -3782,9 +3782,10 @@ static void set_linv_mkey_seg(struct mlx5_mkey_seg *seg)
seg->status = MLX5_MKEY_STATUS_FREE;
}
-static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg, struct ib_send_wr *wr)
+static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg,
+ const struct ib_send_wr *wr)
{
- struct mlx5_umr_wr *umrwr = umr_wr(wr);
+ const struct mlx5_umr_wr *umrwr = umr_wr(wr);
memset(seg, 0, sizeof(*seg));
if (wr->send_flags & MLX5_IB_SEND_UMR_DISABLE_MR)
@@ -3833,7 +3834,7 @@ static void set_reg_umr_inline_seg(void *seg, struct mlx5_ib_qp *qp,
seg += mr_list_size;
}
-static __be32 send_ieth(struct ib_send_wr *wr)
+static __be32 send_ieth(const struct ib_send_wr *wr)
{
switch (wr->opcode) {
case IB_WR_SEND_WITH_IMM:
@@ -3865,7 +3866,7 @@ static u8 wq_sig(void *wqe)
return calc_sig(wqe, (*((u8 *)wqe + 8) & 0x3f) << 4);
}
-static int set_data_inl_seg(struct mlx5_ib_qp *qp, struct ib_send_wr *wr,
+static int set_data_inl_seg(struct mlx5_ib_qp *qp, const struct ib_send_wr *wr,
void *wqe, int *sz)
{
struct mlx5_wqe_inline_seg *seg;
@@ -4011,7 +4012,7 @@ static int mlx5_set_bsf(struct ib_mr *sig_mr,
return 0;
}
-static int set_sig_data_segment(struct ib_sig_handover_wr *wr,
+static int set_sig_data_segment(const struct ib_sig_handover_wr *wr,
struct mlx5_ib_qp *qp, void **seg, int *size)
{
struct ib_sig_attrs *sig_attrs = wr->sig_attrs;
@@ -4113,7 +4114,7 @@ static int set_sig_data_segment(struct ib_sig_handover_wr *wr,
}
static void set_sig_mkey_segment(struct mlx5_mkey_seg *seg,
- struct ib_sig_handover_wr *wr, u32 size,
+ const struct ib_sig_handover_wr *wr, u32 size,
u32 length, u32 pdn)
{
struct ib_mr *sig_mr = wr->sig_mr;
@@ -4144,10 +4145,10 @@ static void set_sig_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr,
}
-static int set_sig_umr_wr(struct ib_send_wr *send_wr, struct mlx5_ib_qp *qp,
- void **seg, int *size)
+static int set_sig_umr_wr(const struct ib_send_wr *send_wr,
+ struct mlx5_ib_qp *qp, void **seg, int *size)
{
- struct ib_sig_handover_wr *wr = sig_handover_wr(send_wr);
+ const struct ib_sig_handover_wr *wr = sig_handover_wr(send_wr);
struct mlx5_ib_mr *sig_mr = to_mmr(wr->sig_mr);
u32 pdn = get_pd(qp)->pdn;
u32 xlt_size;
@@ -4222,7 +4223,7 @@ static int set_psv_wr(struct ib_sig_domain *domain,
}
static int set_reg_wr(struct mlx5_ib_qp *qp,
- struct ib_reg_wr *wr,
+ const struct ib_reg_wr *wr,
void **seg, int *size)
{
struct mlx5_ib_mr *mr = to_mmr(wr->mr);
@@ -4295,7 +4296,7 @@ static void dump_wqe(struct mlx5_ib_qp *qp, int idx, int size_16)
static int begin_wqe(struct mlx5_ib_qp *qp, void **seg,
struct mlx5_wqe_ctrl_seg **ctrl,
- struct ib_send_wr *wr, unsigned *idx,
+ const struct ib_send_wr *wr, unsigned *idx,
int *size, int nreq)
{
if (unlikely(mlx5_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq)))
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
index af1c49d70b89..0e390f410b39 100644
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -1488,7 +1488,7 @@ void mthca_free_qp(struct mthca_dev *dev,
/* Create UD header for an MLX send and build a data segment for it */
static int build_mlx_header(struct mthca_dev *dev, struct mthca_sqp *sqp,
- int ind, struct ib_ud_wr *wr,
+ int ind, const struct ib_ud_wr *wr,
struct mthca_mlx_seg *mlx,
struct mthca_data_seg *data)
{
@@ -1581,7 +1581,7 @@ static __always_inline void set_raddr_seg(struct mthca_raddr_seg *rseg,
}
static __always_inline void set_atomic_seg(struct mthca_atomic_seg *aseg,
- struct ib_atomic_wr *wr)
+ const struct ib_atomic_wr *wr)
{
if (wr->wr.opcode == IB_WR_ATOMIC_CMP_AND_SWP) {
aseg->swap_add = cpu_to_be64(wr->swap);
@@ -1594,7 +1594,7 @@ static __always_inline void set_atomic_seg(struct mthca_atomic_seg *aseg,
}
static void set_tavor_ud_seg(struct mthca_tavor_ud_seg *useg,
- struct ib_ud_wr *wr)
+ const struct ib_ud_wr *wr)
{
useg->lkey = cpu_to_be32(to_mah(wr->ah)->key);
useg->av_addr = cpu_to_be64(to_mah(wr->ah)->avdma);
@@ -1604,7 +1604,7 @@ static void set_tavor_ud_seg(struct mthca_tavor_ud_seg *useg,
}
static void set_arbel_ud_seg(struct mthca_arbel_ud_seg *useg,
- struct ib_ud_wr *wr)
+ const struct ib_ud_wr *wr)
{
memcpy(useg->av, to_mah(wr->ah)->av, MTHCA_AV_SIZE);
useg->dqpn = cpu_to_be32(wr->remote_qpn);
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 82b8f9630ee8..8b1f114062e5 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -3040,7 +3040,8 @@ static int nes_process_mad(struct ib_device *ibdev, int mad_flags,
}
static inline void
-fill_wqe_sg_send(struct nes_hw_qp_wqe *wqe, struct ib_send_wr *ib_wr, u32 uselkey)
+fill_wqe_sg_send(struct nes_hw_qp_wqe *wqe, const struct ib_send_wr *ib_wr,
+ u32 uselkey)
{
int sge_index;
int total_payload_length = 0;
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index 86b22f6b7271..5da1d0b88d1a 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -1953,7 +1953,7 @@ int ocrdma_destroy_srq(struct ib_srq *ibsrq)
/* unprivileged verbs and their support functions. */
static void ocrdma_build_ud_hdr(struct ocrdma_qp *qp,
struct ocrdma_hdr_wqe *hdr,
- struct ib_send_wr *wr)
+ const struct ib_send_wr *wr)
{
struct ocrdma_ewqe_ud_hdr *ud_hdr =
(struct ocrdma_ewqe_ud_hdr *)(hdr + 1);
@@ -2000,7 +2000,7 @@ static inline uint32_t ocrdma_sglist_len(struct ib_sge *sg_list, int num_sge)
static int ocrdma_build_inline_sges(struct ocrdma_qp *qp,
struct ocrdma_hdr_wqe *hdr,
struct ocrdma_sge *sge,
- struct ib_send_wr *wr, u32 wqe_size)
+ const struct ib_send_wr *wr, u32 wqe_size)
{
int i;
char *dpp_addr;
@@ -2038,7 +2038,7 @@ static int ocrdma_build_inline_sges(struct ocrdma_qp *qp,
}
static int ocrdma_build_send(struct ocrdma_qp *qp, struct ocrdma_hdr_wqe *hdr,
- struct ib_send_wr *wr)
+ const struct ib_send_wr *wr)
{
int status;
struct ocrdma_sge *sge;
@@ -2057,7 +2057,7 @@ static int ocrdma_build_send(struct ocrdma_qp *qp, struct ocrdma_hdr_wqe *hdr,
}
static int ocrdma_build_write(struct ocrdma_qp *qp, struct ocrdma_hdr_wqe *hdr,
- struct ib_send_wr *wr)
+ const struct ib_send_wr *wr)
{
int status;
struct ocrdma_sge *ext_rw = (struct ocrdma_sge *)(hdr + 1);
@@ -2075,7 +2075,7 @@ static int ocrdma_build_write(struct ocrdma_qp *qp, struct ocrdma_hdr_wqe *hdr,
}
static void ocrdma_build_read(struct ocrdma_qp *qp, struct ocrdma_hdr_wqe *hdr,
- struct ib_send_wr *wr)
+ const struct ib_send_wr *wr)
{
struct ocrdma_sge *ext_rw = (struct ocrdma_sge *)(hdr + 1);
struct ocrdma_sge *sge = ext_rw + 1;
@@ -2105,7 +2105,7 @@ static int get_encoded_page_size(int pg_sz)
static int ocrdma_build_reg(struct ocrdma_qp *qp,
struct ocrdma_hdr_wqe *hdr,
- struct ib_reg_wr *wr)
+ const struct ib_reg_wr *wr)
{
u64 fbo;
struct ocrdma_ewqe_fr *fast_reg = (struct ocrdma_ewqe_fr *)(hdr + 1);
diff --git a/drivers/infiniband/hw/qedr/qedr_roce_cm.c b/drivers/infiniband/hw/qedr/qedr_roce_cm.c
index 2e1f352c037d..b5d49740bf8a 100644
--- a/drivers/infiniband/hw/qedr/qedr_roce_cm.c
+++ b/drivers/infiniband/hw/qedr/qedr_roce_cm.c
@@ -380,7 +380,7 @@ int qedr_destroy_gsi_qp(struct qedr_dev *dev)
#define QEDR_GSI_QPN (1)
static inline int qedr_gsi_build_header(struct qedr_dev *dev,
struct qedr_qp *qp,
- struct ib_send_wr *swr,
+ const struct ib_send_wr *swr,
struct ib_ud_header *udh,
int *roce_mode)
{
@@ -488,7 +488,7 @@ static inline int qedr_gsi_build_header(struct qedr_dev *dev,
static inline int qedr_gsi_build_packet(struct qedr_dev *dev,
struct qedr_qp *qp,
- struct ib_send_wr *swr,
+ const struct ib_send_wr *swr,
struct qed_roce_ll2_packet **p_packet)
{
u8 ud_header_buffer[QEDR_MAX_UD_HEADER_SIZE];
diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c
index b82c5d5fb0e3..34d8b5580138 100644
--- a/drivers/infiniband/hw/qedr/verbs.c
+++ b/drivers/infiniband/hw/qedr/verbs.c
@@ -2781,7 +2781,7 @@ static u32 qedr_prepare_sq_inline_data(struct qedr_dev *dev,
} while (0)
static u32 qedr_prepare_sq_sges(struct qedr_qp *qp, u8 *wqe_size,
- struct ib_send_wr *wr)
+ const struct ib_send_wr *wr)
{
u32 data_size = 0;
int i;
@@ -2845,7 +2845,7 @@ static u32 qedr_prepare_sq_send_data(struct qedr_dev *dev,
static int qedr_prepare_reg(struct qedr_qp *qp,
struct rdma_sq_fmr_wqe_1st *fwqe1,
- struct ib_reg_wr *wr)
+ const struct ib_reg_wr *wr)
{
struct qedr_mr *mr = get_qedr_mr(wr->mr);
struct rdma_sq_fmr_wqe_2nd *fwqe2;
@@ -2907,7 +2907,8 @@ static enum ib_wc_opcode qedr_ib_to_wc_opcode(enum ib_wr_opcode opcode)
}
}
-static inline bool qedr_can_post_send(struct qedr_qp *qp, struct ib_send_wr *wr)
+static inline bool qedr_can_post_send(struct qedr_qp *qp,
+ const struct ib_send_wr *wr)
{
int wq_is_full, err_wr, pbl_is_full;
struct qedr_dev *dev = qp->dev;
diff --git a/drivers/infiniband/hw/qib/qib_verbs.h b/drivers/infiniband/hw/qib/qib_verbs.h
index e72562a8959a..666613eef88f 100644
--- a/drivers/infiniband/hw/qib/qib_verbs.h
+++ b/drivers/infiniband/hw/qib/qib_verbs.h
@@ -311,7 +311,7 @@ void qib_rc_rnr_retry(unsigned long arg);
void qib_rc_send_complete(struct rvt_qp *qp, struct ib_header *hdr);
-int qib_post_ud_send(struct rvt_qp *qp, struct ib_send_wr *wr);
+int qib_post_ud_send(struct rvt_qp *qp, const struct ib_send_wr *wr);
void qib_ud_rcv(struct qib_ibport *ibp, struct ib_header *hdr,
int has_grh, void *data, u32 tlen, struct rvt_qp *qp);
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c
index eb5b1065ec08..1864621ef942 100644
--- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c
+++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c
@@ -599,7 +599,8 @@ static inline void *get_rq_wqe(struct pvrdma_qp *qp, unsigned int n)
qp->rq.offset + n * qp->rq.wqe_size);
}
-static int set_reg_seg(struct pvrdma_sq_wqe_hdr *wqe_hdr, struct ib_reg_wr *wr)
+static int set_reg_seg(struct pvrdma_sq_wqe_hdr *wqe_hdr,
+ const struct ib_reg_wr *wr)
{
struct pvrdma_user_mr *mr = to_vmr(wr->mr);
diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c
index d29e3c943399..858c992906c1 100644
--- a/drivers/infiniband/sw/rdmavt/qp.c
+++ b/drivers/infiniband/sw/rdmavt/qp.c
@@ -1620,7 +1620,7 @@ int rvt_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
static inline int rvt_qp_valid_operation(
struct rvt_qp *qp,
const struct rvt_operation_params *post_parms,
- struct ib_send_wr *wr)
+ const struct ib_send_wr *wr)
{
int len;
@@ -1717,7 +1717,7 @@ static inline int rvt_qp_is_avail(
* @wr: the work request to send
*/
static int rvt_post_one_wr(struct rvt_qp *qp,
- struct ib_send_wr *wr,
+ const struct ib_send_wr *wr,
int *call_send)
{
struct rvt_swqe *wqe;
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c
index 1188e163204d..0ea394554c8e 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.c
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.c
@@ -554,7 +554,7 @@ static int rxe_destroy_qp(struct ib_qp *ibqp)
return 0;
}
-static int validate_send_wr(struct rxe_qp *qp, struct ib_send_wr *ibwr,
+static int validate_send_wr(struct rxe_qp *qp, const struct ib_send_wr *ibwr,
unsigned int mask, unsigned int length)
{
int num_sge = ibwr->num_sge;
@@ -582,7 +582,7 @@ err1:
}
static void init_send_wr(struct rxe_qp *qp, struct rxe_send_wr *wr,
- struct ib_send_wr *ibwr)
+ const struct ib_send_wr *ibwr)
{
wr->wr_id = ibwr->wr_id;
wr->num_sge = ibwr->num_sge;
@@ -637,7 +637,7 @@ static void init_send_wr(struct rxe_qp *qp, struct rxe_send_wr *wr,
}
}
-static int init_send_wqe(struct rxe_qp *qp, struct ib_send_wr *ibwr,
+static int init_send_wqe(struct rxe_qp *qp, const struct ib_send_wr *ibwr,
unsigned int mask, unsigned int length,
struct rxe_send_wqe *wqe)
{
@@ -685,7 +685,7 @@ static int init_send_wqe(struct rxe_qp *qp, struct ib_send_wr *ibwr,
return 0;
}
-static int post_one_send(struct rxe_qp *qp, struct ib_send_wr *ibwr,
+static int post_one_send(struct rxe_qp *qp, const struct ib_send_wr *ibwr,
unsigned int mask, u32 length)
{
int err;
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 42cbf8eabe9d..cf38d47fa8f8 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1352,7 +1352,7 @@ struct ib_rdma_wr {
u32 rkey;
};
-static inline struct ib_rdma_wr *rdma_wr(struct ib_send_wr *wr)
+static inline const struct ib_rdma_wr *rdma_wr(const struct ib_send_wr *wr)
{
return container_of(wr, struct ib_rdma_wr, wr);
}
@@ -1367,7 +1367,7 @@ struct ib_atomic_wr {
u32 rkey;
};
-static inline struct ib_atomic_wr *atomic_wr(struct ib_send_wr *wr)
+static inline const struct ib_atomic_wr *atomic_wr(const struct ib_send_wr *wr)
{
return container_of(wr, struct ib_atomic_wr, wr);
}
@@ -1384,7 +1384,7 @@ struct ib_ud_wr {
u8 port_num; /* valid for DR SMPs on switch only */
};
-static inline struct ib_ud_wr *ud_wr(struct ib_send_wr *wr)
+static inline const struct ib_ud_wr *ud_wr(const struct ib_send_wr *wr)
{
return container_of(wr, struct ib_ud_wr, wr);
}
@@ -1396,7 +1396,7 @@ struct ib_reg_wr {
int access;
};
-static inline struct ib_reg_wr *reg_wr(struct ib_send_wr *wr)
+static inline const struct ib_reg_wr *reg_wr(const struct ib_send_wr *wr)
{
return container_of(wr, struct ib_reg_wr, wr);
}
@@ -1409,7 +1409,8 @@ struct ib_sig_handover_wr {
struct ib_sge *prot;
};
-static inline struct ib_sig_handover_wr *sig_handover_wr(struct ib_send_wr *wr)
+static inline const struct ib_sig_handover_wr *
+sig_handover_wr(const struct ib_send_wr *wr)
{
return container_of(wr, struct ib_sig_handover_wr, wr);
}