openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

IB/hfi1: Handle send with invalidate opcode in the RC recv path 

As part of enabling extended memory management support, add the processing
of the RC send with invalidate.

Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jianxin Xiong <jianxin.xiong@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Jianxin Xiong 2016-07-25 13:38:31 -07:00 committed by Doug Ledford
parent d9f8723924
commit a2df0c8332
2 changed files with 17 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/infiniband/hw/hfi1/rc.c
View File

@ -2098,6 +2098,7 @@ void hfi1_rc_rcv(struct hfi1_packet *packet)
unsigned long flags;
int ret, is_fecn = 0;
int copy_last = 0;
u32 rkey;
bth0 = be32_to_cpu(ohdr->bth[0]);
if (hfi1_ruc_check_hdr(ibp, hdr, rcv_flags & HFI1_HAS_GRH, qp, bth0))
@ -2137,7 +2138,8 @@ void hfi1_rc_rcv(struct hfi1_packet *packet)
case OP(SEND_MIDDLE):
if (opcode == OP(SEND_MIDDLE) ||
opcode == OP(SEND_LAST) ||
opcode == OP(SEND_LAST_WITH_IMMEDIATE))
opcode == OP(SEND_LAST_WITH_IMMEDIATE) ||
opcode == OP(SEND_LAST_WITH_INVALIDATE))
break;
goto nack_inv;
@ -2153,6 +2155,7 @@ void hfi1_rc_rcv(struct hfi1_packet *packet)
if (opcode == OP(SEND_MIDDLE) ||
opcode == OP(SEND_LAST) ||
opcode == OP(SEND_LAST_WITH_IMMEDIATE) ||
opcode == OP(SEND_LAST_WITH_INVALIDATE) ||
opcode == OP(RDMA_WRITE_MIDDLE) ||
opcode == OP(RDMA_WRITE_LAST) ||
opcode == OP(RDMA_WRITE_LAST_WITH_IMMEDIATE))
@ -2201,6 +2204,7 @@ void hfi1_rc_rcv(struct hfi1_packet *packet)
case OP(SEND_ONLY):
case OP(SEND_ONLY_WITH_IMMEDIATE):
case OP(SEND_ONLY_WITH_INVALIDATE):
ret = hfi1_rvt_get_rwqe(qp, 0);
if (ret < 0)
goto nack_op_err;
@ -2209,12 +2213,22 @@ void hfi1_rc_rcv(struct hfi1_packet *packet)
qp->r_rcv_len = 0;
if (opcode == OP(SEND_ONLY))
goto no_immediate_data;
if (opcode == OP(SEND_ONLY_WITH_INVALIDATE))
goto send_last_inv;
/* FALLTHROUGH for SEND_ONLY_WITH_IMMEDIATE */
case OP(SEND_LAST_WITH_IMMEDIATE):
send_last_imm:
wc.ex.imm_data = ohdr->u.imm_data;
wc.wc_flags = IB_WC_WITH_IMM;
goto send_last;
case OP(SEND_LAST_WITH_INVALIDATE):
send_last_inv:
rkey = be32_to_cpu(ohdr->u.ieth);
if (rvt_invalidate_rkey(qp, rkey))
goto no_immediate_data;
wc.ex.invalidate_rkey = rkey;
wc.wc_flags = IB_WC_WITH_INVALIDATE;
goto send_last;
case OP(RDMA_WRITE_LAST):
copy_last = ibpd_to_rvtpd(qp->ibqp.pd)->user;
/* fall through */

2
drivers/infiniband/hw/hfi1/verbs.c
View File

@ -378,6 +378,8 @@ static const opcode_handler opcode_handler_tbl[256] = {
[IB_OPCODE_RC_ATOMIC_ACKNOWLEDGE] = &hfi1_rc_rcv,
[IB_OPCODE_RC_COMPARE_SWAP] = &hfi1_rc_rcv,
[IB_OPCODE_RC_FETCH_ADD] = &hfi1_rc_rcv,
[IB_OPCODE_RC_SEND_LAST_WITH_INVALIDATE] = &hfi1_rc_rcv,
[IB_OPCODE_RC_SEND_ONLY_WITH_INVALIDATE] = &hfi1_rc_rcv,
/* UC */
[IB_OPCODE_UC_SEND_FIRST] = &hfi1_uc_rcv,
[IB_OPCODE_UC_SEND_MIDDLE] = &hfi1_uc_rcv,