diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c index 7a60c7709da0..c74972244f08 100644 --- a/drivers/infiniband/sw/rxe/rxe_resp.c +++ b/drivers/infiniband/sw/rxe/rxe_resp.c @@ -785,53 +785,61 @@ out: return ret; } -static enum resp_states atomic_write_reply(struct rxe_qp *qp, - struct rxe_pkt_info *pkt) +#ifdef CONFIG_64BIT +static enum resp_states do_atomic_write(struct rxe_qp *qp, + struct rxe_pkt_info *pkt) { - u64 src, *dst; - struct resp_res *res = qp->resp.res; struct rxe_mr *mr = qp->resp.mr; int payload = payload_size(pkt); + u64 src, *dst; + + if (mr->state != RXE_MR_STATE_VALID) + return RESPST_ERR_RKEY_VIOLATION; + + memcpy(&src, payload_addr(pkt), payload); + + dst = iova_to_vaddr(mr, qp->resp.va + qp->resp.offset, payload); + /* check vaddr is 8 bytes aligned. */ + if (!dst || (uintptr_t)dst & 7) + return RESPST_ERR_MISALIGNED_ATOMIC; + + /* Do atomic write after all prior operations have completed */ + smp_store_release(dst, src); + + /* decrease resp.resid to zero */ + qp->resp.resid -= sizeof(payload); + + qp->resp.msn++; + + /* next expected psn, read handles this separately */ + qp->resp.psn = (pkt->psn + 1) & BTH_PSN_MASK; + qp->resp.ack_psn = qp->resp.psn; + + qp->resp.opcode = pkt->opcode; + qp->resp.status = IB_WC_SUCCESS; + return RESPST_ACKNOWLEDGE; +} +#else +static enum resp_states do_atomic_write(struct rxe_qp *qp, + struct rxe_pkt_info *pkt) +{ + return RESPST_ERR_UNSUPPORTED_OPCODE; +} +#endif /* CONFIG_64BIT */ + +static enum resp_states atomic_write_reply(struct rxe_qp *qp, + struct rxe_pkt_info *pkt) +{ + struct resp_res *res = qp->resp.res; if (!res) { res = rxe_prepare_res(qp, pkt, RXE_ATOMIC_WRITE_MASK); qp->resp.res = res; } - if (!res->replay) { -#ifdef CONFIG_64BIT - if (mr->state != RXE_MR_STATE_VALID) - return RESPST_ERR_RKEY_VIOLATION; - - memcpy(&src, payload_addr(pkt), payload); - - dst = iova_to_vaddr(mr, qp->resp.va + qp->resp.offset, payload); - /* check vaddr is 8 bytes aligned. */ - if (!dst || (uintptr_t)dst & 7) - return RESPST_ERR_MISALIGNED_ATOMIC; - - /* Do atomic write after all prior operations have completed */ - smp_store_release(dst, src); - - /* decrease resp.resid to zero */ - qp->resp.resid -= sizeof(payload); - - qp->resp.msn++; - - /* next expected psn, read handles this separately */ - qp->resp.psn = (pkt->psn + 1) & BTH_PSN_MASK; - qp->resp.ack_psn = qp->resp.psn; - - qp->resp.opcode = pkt->opcode; - qp->resp.status = IB_WC_SUCCESS; - + if (res->replay) return RESPST_ACKNOWLEDGE; -#else - return RESPST_ERR_UNSUPPORTED_OPCODE; -#endif /* CONFIG_64BIT */ - } - - return RESPST_ACKNOWLEDGE; + return do_atomic_write(qp, pkt); } static struct sk_buff *prepare_ack_packet(struct rxe_qp *qp, diff --git a/drivers/infiniband/sw/siw/siw_qp_tx.c b/drivers/infiniband/sw/siw/siw_qp_tx.c index 7d47b521070b..05052b49107f 100644 --- a/drivers/infiniband/sw/siw/siw_qp_tx.c +++ b/drivers/infiniband/sw/siw/siw_qp_tx.c @@ -29,7 +29,7 @@ static struct page *siw_get_pblpage(struct siw_mem *mem, u64 addr, int *idx) dma_addr_t paddr = siw_pbl_get_buffer(pbl, offset, NULL, idx); if (paddr) - return virt_to_page((void *)paddr); + return virt_to_page((void *)(uintptr_t)paddr); return NULL; }