xiaomi-sm8450/android_kernel_xiaomi_sm8450
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Kods Problēmas Izmaiņu pieprasījumi Darbības Pakotnes Projekti Laidieni Vikivietne Aktivitāte

RDMA: Constify the argument of the work request conversion functions

Pārlūkot izejas kodu 
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>
Šī revīzija ir iekļauta:
Bart Van Assche
2018-07-18 09:25:14 -07:00
revīziju iesūtīja Jason Gunthorpe
vecāks 3e081b773e
revīzija f696bf6d64
18 mainīti faili ar 97 papildinājumiem un 88 dzēšanām
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21
drivers/infiniband/hw/cxgb4/qp.c
Parādīt failu

@@ -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;