diff options
Diffstat (limited to 'drivers/infiniband/sw/siw')
-rw-r--r-- | drivers/infiniband/sw/siw/Kconfig | 2 | ||||
-rw-r--r-- | drivers/infiniband/sw/siw/siw.h | 10 | ||||
-rw-r--r-- | drivers/infiniband/sw/siw/siw_cm.c | 82 | ||||
-rw-r--r-- | drivers/infiniband/sw/siw/siw_cq.c | 5 | ||||
-rw-r--r-- | drivers/infiniband/sw/siw/siw_main.c | 4 | ||||
-rw-r--r-- | drivers/infiniband/sw/siw/siw_mem.c | 14 | ||||
-rw-r--r-- | drivers/infiniband/sw/siw/siw_mem.h | 2 | ||||
-rw-r--r-- | drivers/infiniband/sw/siw/siw_qp.c | 16 | ||||
-rw-r--r-- | drivers/infiniband/sw/siw/siw_qp_rx.c | 26 | ||||
-rw-r--r-- | drivers/infiniband/sw/siw/siw_qp_tx.c | 80 | ||||
-rw-r--r-- | drivers/infiniband/sw/siw/siw_verbs.c | 56 |
11 files changed, 150 insertions, 147 deletions
diff --git a/drivers/infiniband/sw/siw/Kconfig b/drivers/infiniband/sw/siw/Kconfig index dace276aea14..b622fc62f2cd 100644 --- a/drivers/infiniband/sw/siw/Kconfig +++ b/drivers/infiniband/sw/siw/Kconfig @@ -1,6 +1,6 @@ config RDMA_SIW tristate "Software RDMA over TCP/IP (iWARP) driver" - depends on INET && INFINIBAND && LIBCRC32C && 64BIT + depends on INET && INFINIBAND && LIBCRC32C select DMA_VIRT_OPS help This driver implements the iWARP RDMA transport over diff --git a/drivers/infiniband/sw/siw/siw.h b/drivers/infiniband/sw/siw/siw.h index 03fd7b2f595f..dba4535494ab 100644 --- a/drivers/infiniband/sw/siw/siw.h +++ b/drivers/infiniband/sw/siw/siw.h @@ -138,9 +138,9 @@ struct siw_umem { }; struct siw_pble { - u64 addr; /* Address of assigned user buffer */ - u64 size; /* Size of this entry */ - u64 pbl_off; /* Total offset from start of PBL */ + dma_addr_t addr; /* Address of assigned buffer */ + unsigned int size; /* Size of this entry */ + unsigned long pbl_off; /* Total offset from start of PBL */ }; struct siw_pbl { @@ -214,7 +214,7 @@ struct siw_wqe { struct siw_cq { struct ib_cq base_cq; spinlock_t lock; - u64 *notify; + struct siw_cq_ctrl *notify; struct siw_cqe *queue; u32 cq_put; u32 cq_get; @@ -734,7 +734,7 @@ static inline void siw_crc_skb(struct siw_rx_stream *srx, unsigned int len) "MEM[0x%08x] %s: " fmt, mem->stag, __func__, ##__VA_ARGS__) #define siw_dbg_cep(cep, fmt, ...) \ - ibdev_dbg(&cep->sdev->base_dev, "CEP[0x%p] %s: " fmt, \ + ibdev_dbg(&cep->sdev->base_dev, "CEP[0x%pK] %s: " fmt, \ cep, __func__, ##__VA_ARGS__) void siw_cq_flush(struct siw_cq *cq); diff --git a/drivers/infiniband/sw/siw/siw_cm.c b/drivers/infiniband/sw/siw/siw_cm.c index 9ce8a1b925d2..1db5ad3d9580 100644 --- a/drivers/infiniband/sw/siw/siw_cm.c +++ b/drivers/infiniband/sw/siw/siw_cm.c @@ -355,8 +355,8 @@ static int siw_cm_upcall(struct siw_cep *cep, enum iw_cm_event_type reason, getname_local(cep->sock, &event.local_addr); getname_peer(cep->sock, &event.remote_addr); } - siw_dbg_cep(cep, "[QP %u]: id 0x%p, reason=%d, status=%d\n", - cep->qp ? qp_id(cep->qp) : -1, id, reason, status); + siw_dbg_cep(cep, "[QP %u]: reason=%d, status=%d\n", + cep->qp ? qp_id(cep->qp) : UINT_MAX, reason, status); return id->event_handler(id, &event); } @@ -947,8 +947,6 @@ static void siw_accept_newconn(struct siw_cep *cep) siw_cep_get(new_cep); new_s->sk->sk_user_data = new_cep; - siw_dbg_cep(cep, "listen socket 0x%p, new 0x%p\n", s, new_s); - if (siw_tcp_nagle == false) { int val = 1; @@ -1011,7 +1009,8 @@ static void siw_cm_work_handler(struct work_struct *w) cep = work->cep; siw_dbg_cep(cep, "[QP %u]: work type: %d, state %d\n", - cep->qp ? qp_id(cep->qp) : -1, work->type, cep->state); + cep->qp ? qp_id(cep->qp) : UINT_MAX, + work->type, cep->state); siw_cep_set_inuse(cep); @@ -1145,9 +1144,9 @@ static void siw_cm_work_handler(struct work_struct *w) } if (release_cep) { siw_dbg_cep(cep, - "release: timer=%s, QP[%u], id 0x%p\n", + "release: timer=%s, QP[%u]\n", cep->mpa_timer ? "y" : "n", - cep->qp ? qp_id(cep->qp) : -1, cep->cm_id); + cep->qp ? qp_id(cep->qp) : UINT_MAX); siw_cancel_mpatimer(cep); @@ -1211,8 +1210,8 @@ int siw_cm_queue_work(struct siw_cep *cep, enum siw_work_type type) else delay = MPAREP_TIMEOUT; } - siw_dbg_cep(cep, "[QP %u]: work type: %d, work 0x%p, timeout %lu\n", - cep->qp ? qp_id(cep->qp) : -1, type, work, delay); + siw_dbg_cep(cep, "[QP %u]: work type: %d, timeout %lu\n", + cep->qp ? qp_id(cep->qp) : -1, type, delay); queue_delayed_work(siw_cm_wq, &work->work, delay); @@ -1376,16 +1375,16 @@ int siw_connect(struct iw_cm_id *id, struct iw_cm_conn_param *params) } if (v4) siw_dbg_qp(qp, - "id 0x%p, pd_len %d, laddr %pI4 %d, raddr %pI4 %d\n", - id, pd_len, + "pd_len %d, laddr %pI4 %d, raddr %pI4 %d\n", + pd_len, &((struct sockaddr_in *)(laddr))->sin_addr, ntohs(((struct sockaddr_in *)(laddr))->sin_port), &((struct sockaddr_in *)(raddr))->sin_addr, ntohs(((struct sockaddr_in *)(raddr))->sin_port)); else siw_dbg_qp(qp, - "id 0x%p, pd_len %d, laddr %pI6 %d, raddr %pI6 %d\n", - id, pd_len, + "pd_len %d, laddr %pI6 %d, raddr %pI6 %d\n", + pd_len, &((struct sockaddr_in6 *)(laddr))->sin6_addr, ntohs(((struct sockaddr_in6 *)(laddr))->sin6_port), &((struct sockaddr_in6 *)(raddr))->sin6_addr, @@ -1508,14 +1507,13 @@ int siw_connect(struct iw_cm_id *id, struct iw_cm_conn_param *params) if (rv >= 0) { rv = siw_cm_queue_work(cep, SIW_CM_WORK_MPATIMEOUT); if (!rv) { - siw_dbg_cep(cep, "id 0x%p, [QP %u]: exit\n", id, - qp_id(qp)); + siw_dbg_cep(cep, "[QP %u]: exit\n", qp_id(qp)); siw_cep_set_free(cep); return 0; } } error: - siw_dbg_qp(qp, "failed: %d\n", rv); + siw_dbg(id->device, "failed: %d\n", rv); if (cep) { siw_socket_disassoc(s); @@ -1540,7 +1538,8 @@ error: } else if (s) { sock_release(s); } - siw_qp_put(qp); + if (qp) + siw_qp_put(qp); return rv; } @@ -1580,7 +1579,7 @@ int siw_accept(struct iw_cm_id *id, struct iw_cm_conn_param *params) siw_cancel_mpatimer(cep); if (cep->state != SIW_EPSTATE_RECVD_MPAREQ) { - siw_dbg_cep(cep, "id 0x%p: out of state\n", id); + siw_dbg_cep(cep, "out of state\n"); siw_cep_set_free(cep); siw_cep_put(cep); @@ -1601,7 +1600,7 @@ int siw_accept(struct iw_cm_id *id, struct iw_cm_conn_param *params) up_write(&qp->state_lock); goto error; } - siw_dbg_cep(cep, "id 0x%p\n", id); + siw_dbg_cep(cep, "[QP %d]\n", params->qpn); if (try_gso && cep->mpa.hdr.params.bits & MPA_RR_FLAG_GSO_EXP) { siw_dbg_cep(cep, "peer allows GSO on TX\n"); @@ -1611,8 +1610,8 @@ int siw_accept(struct iw_cm_id *id, struct iw_cm_conn_param *params) params->ird > sdev->attrs.max_ird) { siw_dbg_cep( cep, - "id 0x%p, [QP %u]: ord %d (max %d), ird %d (max %d)\n", - id, qp_id(qp), params->ord, sdev->attrs.max_ord, + "[QP %u]: ord %d (max %d), ird %d (max %d)\n", + qp_id(qp), params->ord, sdev->attrs.max_ord, params->ird, sdev->attrs.max_ird); rv = -EINVAL; up_write(&qp->state_lock); @@ -1624,8 +1623,8 @@ int siw_accept(struct iw_cm_id *id, struct iw_cm_conn_param *params) if (params->private_data_len > max_priv_data) { siw_dbg_cep( cep, - "id 0x%p, [QP %u]: private data length: %d (max %d)\n", - id, qp_id(qp), params->private_data_len, max_priv_data); + "[QP %u]: private data length: %d (max %d)\n", + qp_id(qp), params->private_data_len, max_priv_data); rv = -EINVAL; up_write(&qp->state_lock); goto error; @@ -1679,7 +1678,7 @@ int siw_accept(struct iw_cm_id *id, struct iw_cm_conn_param *params) qp_attrs.flags = SIW_MPA_CRC; qp_attrs.state = SIW_QP_STATE_RTS; - siw_dbg_cep(cep, "id 0x%p, [QP%u]: moving to rts\n", id, qp_id(qp)); + siw_dbg_cep(cep, "[QP%u]: moving to rts\n", qp_id(qp)); /* Associate QP with CEP */ siw_cep_get(cep); @@ -1700,8 +1699,8 @@ int siw_accept(struct iw_cm_id *id, struct iw_cm_conn_param *params) if (rv) goto error; - siw_dbg_cep(cep, "id 0x%p, [QP %u]: send mpa reply, %d byte pdata\n", - id, qp_id(qp), params->private_data_len); + siw_dbg_cep(cep, "[QP %u]: send mpa reply, %d byte pdata\n", + qp_id(qp), params->private_data_len); rv = siw_send_mpareqrep(cep, params->private_data, params->private_data_len); @@ -1759,14 +1758,14 @@ int siw_reject(struct iw_cm_id *id, const void *pdata, u8 pd_len) siw_cancel_mpatimer(cep); if (cep->state != SIW_EPSTATE_RECVD_MPAREQ) { - siw_dbg_cep(cep, "id 0x%p: out of state\n", id); + siw_dbg_cep(cep, "out of state\n"); siw_cep_set_free(cep); siw_cep_put(cep); /* put last reference */ return -ECONNRESET; } - siw_dbg_cep(cep, "id 0x%p, cep->state %d, pd_len %d\n", id, cep->state, + siw_dbg_cep(cep, "cep->state %d, pd_len %d\n", cep->state, pd_len); if (__mpa_rr_revision(cep->mpa.hdr.params.bits) >= MPA_REVISION_1) { @@ -1804,14 +1803,14 @@ static int siw_listen_address(struct iw_cm_id *id, int backlog, rv = kernel_setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (char *)&s_val, sizeof(s_val)); if (rv) { - siw_dbg(id->device, "id 0x%p: setsockopt error: %d\n", id, rv); + siw_dbg(id->device, "setsockopt error: %d\n", rv); goto error; } rv = s->ops->bind(s, laddr, addr_family == AF_INET ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6)); if (rv) { - siw_dbg(id->device, "id 0x%p: socket bind error: %d\n", id, rv); + siw_dbg(id->device, "socket bind error: %d\n", rv); goto error; } cep = siw_cep_alloc(sdev); @@ -1824,13 +1823,13 @@ static int siw_listen_address(struct iw_cm_id *id, int backlog, rv = siw_cm_alloc_work(cep, backlog); if (rv) { siw_dbg(id->device, - "id 0x%p: alloc_work error %d, backlog %d\n", id, + "alloc_work error %d, backlog %d\n", rv, backlog); goto error; } rv = s->ops->listen(s, backlog); if (rv) { - siw_dbg(id->device, "id 0x%p: listen error %d\n", id, rv); + siw_dbg(id->device, "listen error %d\n", rv); goto error; } cep->cm_id = id; @@ -1914,8 +1913,7 @@ static void siw_drop_listeners(struct iw_cm_id *id) list_del(p); - siw_dbg_cep(cep, "id 0x%p: drop cep, state %d\n", id, - cep->state); + siw_dbg_cep(cep, "drop cep, state %d\n", cep->state); siw_cep_set_inuse(cep); @@ -1952,7 +1950,7 @@ int siw_create_listen(struct iw_cm_id *id, int backlog) struct net_device *dev = to_siw_dev(id->device)->netdev; int rv = 0, listeners = 0; - siw_dbg(id->device, "id 0x%p: backlog %d\n", id, backlog); + siw_dbg(id->device, "backlog %d\n", backlog); /* * For each attached address of the interface, create a @@ -1968,8 +1966,8 @@ int siw_create_listen(struct iw_cm_id *id, int backlog) s_raddr = (struct sockaddr_in *)&id->remote_addr; siw_dbg(id->device, - "id 0x%p: laddr %pI4:%d, raddr %pI4:%d\n", - id, &s_laddr.sin_addr, ntohs(s_laddr.sin_port), + "laddr %pI4:%d, raddr %pI4:%d\n", + &s_laddr.sin_addr, ntohs(s_laddr.sin_port), &s_raddr->sin_addr, ntohs(s_raddr->sin_port)); rtnl_lock(); @@ -1994,8 +1992,8 @@ int siw_create_listen(struct iw_cm_id *id, int backlog) *s_raddr = &to_sockaddr_in6(id->remote_addr); siw_dbg(id->device, - "id 0x%p: laddr %pI6:%d, raddr %pI6:%d\n", - id, &s_laddr->sin6_addr, ntohs(s_laddr->sin6_port), + "laddr %pI6:%d, raddr %pI6:%d\n", + &s_laddr->sin6_addr, ntohs(s_laddr->sin6_port), &s_raddr->sin6_addr, ntohs(s_raddr->sin6_port)); read_lock_bh(&in6_dev->lock); @@ -2028,17 +2026,15 @@ int siw_create_listen(struct iw_cm_id *id, int backlog) else if (!rv) rv = -EINVAL; - siw_dbg(id->device, "id 0x%p: %s\n", id, rv ? "FAIL" : "OK"); + siw_dbg(id->device, "%s\n", rv ? "FAIL" : "OK"); return rv; } int siw_destroy_listen(struct iw_cm_id *id) { - siw_dbg(id->device, "id 0x%p\n", id); - if (!id->provider_data) { - siw_dbg(id->device, "id 0x%p: no cep(s)\n", id); + siw_dbg(id->device, "no cep(s)\n"); return 0; } siw_drop_listeners(id); diff --git a/drivers/infiniband/sw/siw/siw_cq.c b/drivers/infiniband/sw/siw/siw_cq.c index e381ae9b7d62..d8db3bee9da7 100644 --- a/drivers/infiniband/sw/siw/siw_cq.c +++ b/drivers/infiniband/sw/siw/siw_cq.c @@ -71,9 +71,10 @@ int siw_reap_cqe(struct siw_cq *cq, struct ib_wc *wc) wc->wc_flags = IB_WC_WITH_INVALIDATE; } wc->qp = cqe->base_qp; - siw_dbg_cq(cq, "idx %u, type %d, flags %2x, id 0x%p\n", + siw_dbg_cq(cq, + "idx %u, type %d, flags %2x, id 0x%pK\n", cq->cq_get % cq->num_cqe, cqe->opcode, - cqe->flags, (void *)cqe->id); + cqe->flags, (void *)(uintptr_t)cqe->id); } WRITE_ONCE(cqe->flags, 0); cq->cq_get++; diff --git a/drivers/infiniband/sw/siw/siw_main.c b/drivers/infiniband/sw/siw/siw_main.c index d0f140daf659..05a92f997f60 100644 --- a/drivers/infiniband/sw/siw/siw_main.c +++ b/drivers/infiniband/sw/siw/siw_main.c @@ -160,10 +160,8 @@ static int siw_init_cpulist(void) out_err: siw_cpu_info.num_nodes = 0; - while (i) { + while (--i >= 0) kfree(siw_cpu_info.tx_valid_cpus[i]); - siw_cpu_info.tx_valid_cpus[i--] = NULL; - } kfree(siw_cpu_info.tx_valid_cpus); siw_cpu_info.tx_valid_cpus = NULL; diff --git a/drivers/infiniband/sw/siw/siw_mem.c b/drivers/infiniband/sw/siw/siw_mem.c index 67171c82b0c4..87a56039f0ef 100644 --- a/drivers/infiniband/sw/siw/siw_mem.c +++ b/drivers/infiniband/sw/siw/siw_mem.c @@ -197,12 +197,12 @@ int siw_check_mem(struct ib_pd *pd, struct siw_mem *mem, u64 addr, */ if (addr < mem->va || addr + len > mem->va + mem->len) { siw_dbg_pd(pd, "MEM interval len %d\n", len); - siw_dbg_pd(pd, "[0x%016llx, 0x%016llx] out of bounds\n", - (unsigned long long)addr, - (unsigned long long)(addr + len)); - siw_dbg_pd(pd, "[0x%016llx, 0x%016llx] STag=0x%08x\n", - (unsigned long long)mem->va, - (unsigned long long)(mem->va + mem->len), + siw_dbg_pd(pd, "[0x%pK, 0x%pK] out of bounds\n", + (void *)(uintptr_t)addr, + (void *)(uintptr_t)(addr + len)); + siw_dbg_pd(pd, "[0x%pK, 0x%pK] STag=0x%08x\n", + (void *)(uintptr_t)mem->va, + (void *)(uintptr_t)(mem->va + mem->len), mem->stag); return -E_BASE_BOUNDS; @@ -330,7 +330,7 @@ out: * Optionally, provides remaining len within current element, and * current PBL index for later resume at same element. */ -u64 siw_pbl_get_buffer(struct siw_pbl *pbl, u64 off, int *len, int *idx) +dma_addr_t siw_pbl_get_buffer(struct siw_pbl *pbl, u64 off, int *len, int *idx) { int i = idx ? *idx : 0; diff --git a/drivers/infiniband/sw/siw/siw_mem.h b/drivers/infiniband/sw/siw/siw_mem.h index f43daf280891..db138c8423da 100644 --- a/drivers/infiniband/sw/siw/siw_mem.h +++ b/drivers/infiniband/sw/siw/siw_mem.h @@ -9,7 +9,7 @@ struct siw_umem *siw_umem_get(u64 start, u64 len, bool writable); void siw_umem_release(struct siw_umem *umem, bool dirty); struct siw_pbl *siw_pbl_alloc(u32 num_buf); -u64 siw_pbl_get_buffer(struct siw_pbl *pbl, u64 off, int *len, int *idx); +dma_addr_t siw_pbl_get_buffer(struct siw_pbl *pbl, u64 off, int *len, int *idx); struct siw_mem *siw_mem_id2obj(struct siw_device *sdev, int stag_index); int siw_mem_add(struct siw_device *sdev, struct siw_mem *m); int siw_invalidate_stag(struct ib_pd *pd, u32 stag); diff --git a/drivers/infiniband/sw/siw/siw_qp.c b/drivers/infiniband/sw/siw/siw_qp.c index e27bd5b35b96..430314c8abd9 100644 --- a/drivers/infiniband/sw/siw/siw_qp.c +++ b/drivers/infiniband/sw/siw/siw_qp.c @@ -949,7 +949,7 @@ skip_irq: rv = -EINVAL; goto out; } - wqe->sqe.sge[0].laddr = (u64)&wqe->sqe.sge[1]; + wqe->sqe.sge[0].laddr = (uintptr_t)&wqe->sqe.sge[1]; wqe->sqe.sge[0].lkey = 0; wqe->sqe.num_sge = 1; } @@ -1013,18 +1013,24 @@ out: */ static bool siw_cq_notify_now(struct siw_cq *cq, u32 flags) { - u64 cq_notify; + u32 cq_notify; if (!cq->base_cq.comp_handler) return false; - cq_notify = READ_ONCE(*cq->notify); + /* Read application shared notification state */ + cq_notify = READ_ONCE(cq->notify->flags); if ((cq_notify & SIW_NOTIFY_NEXT_COMPLETION) || ((cq_notify & SIW_NOTIFY_SOLICITED) && (flags & SIW_WQE_SOLICITED))) { - /* dis-arm CQ */ - smp_store_mb(*cq->notify, SIW_NOTIFY_NOT); + /* + * CQ notification is one-shot: Since the + * current CQE causes user notification, + * the CQ gets dis-aremd and must be re-aremd + * by the user for a new notification. + */ + WRITE_ONCE(cq->notify->flags, SIW_NOTIFY_NOT); return true; } diff --git a/drivers/infiniband/sw/siw/siw_qp_rx.c b/drivers/infiniband/sw/siw/siw_qp_rx.c index f87657a11657..c0a887240325 100644 --- a/drivers/infiniband/sw/siw/siw_qp_rx.c +++ b/drivers/infiniband/sw/siw/siw_qp_rx.c @@ -38,9 +38,10 @@ static int siw_rx_umem(struct siw_rx_stream *srx, struct siw_umem *umem, p = siw_get_upage(umem, dest_addr); if (unlikely(!p)) { - pr_warn("siw: %s: [QP %u]: bogus addr: %p, %p\n", + pr_warn("siw: %s: [QP %u]: bogus addr: %pK, %pK\n", __func__, qp_id(rx_qp(srx)), - (void *)dest_addr, (void *)umem->fp_addr); + (void *)(uintptr_t)dest_addr, + (void *)(uintptr_t)umem->fp_addr); /* siw internal error */ srx->skb_copied += copied; srx->skb_new -= copied; @@ -50,7 +51,7 @@ static int siw_rx_umem(struct siw_rx_stream *srx, struct siw_umem *umem, pg_off = dest_addr & ~PAGE_MASK; bytes = min(len, (int)PAGE_SIZE - pg_off); - siw_dbg_qp(rx_qp(srx), "page %p, bytes=%u\n", p, bytes); + siw_dbg_qp(rx_qp(srx), "page %pK, bytes=%u\n", p, bytes); dest = kmap_atomic(p); rv = skb_copy_bits(srx->skb, srx->skb_offset, dest + pg_off, @@ -104,11 +105,11 @@ static int siw_rx_kva(struct siw_rx_stream *srx, void *kva, int len) { int rv; - siw_dbg_qp(rx_qp(srx), "kva: 0x%p, len: %u\n", kva, len); + siw_dbg_qp(rx_qp(srx), "kva: 0x%pK, len: %u\n", kva, len); rv = skb_copy_bits(srx->skb, srx->skb_offset, kva, len); if (unlikely(rv)) { - pr_warn("siw: [QP %u]: %s, len %d, kva 0x%p, rv %d\n", + pr_warn("siw: [QP %u]: %s, len %d, kva 0x%pK, rv %d\n", qp_id(rx_qp(srx)), __func__, len, kva, rv); return rv; @@ -132,7 +133,7 @@ static int siw_rx_pbl(struct siw_rx_stream *srx, int *pbl_idx, while (len) { int bytes; - u64 buf_addr = + dma_addr_t buf_addr = siw_pbl_get_buffer(pbl, offset, &bytes, pbl_idx); if (!buf_addr) break; @@ -485,8 +486,8 @@ int siw_proc_send(struct siw_qp *qp) mem_p = *mem; if (mem_p->mem_obj == NULL) rv = siw_rx_kva(srx, - (void *)(sge->laddr + frx->sge_off), - sge_bytes); + (void *)(uintptr_t)(sge->laddr + frx->sge_off), + sge_bytes); else if (!mem_p->is_pbl) rv = siw_rx_umem(srx, mem_p->umem, sge->laddr + frx->sge_off, sge_bytes); @@ -598,8 +599,8 @@ int siw_proc_write(struct siw_qp *qp) if (mem->mem_obj == NULL) rv = siw_rx_kva(srx, - (void *)(srx->ddp_to + srx->fpdu_part_rcvd), - bytes); + (void *)(uintptr_t)(srx->ddp_to + srx->fpdu_part_rcvd), + bytes); else if (!mem->is_pbl) rv = siw_rx_umem(srx, mem->umem, srx->ddp_to + srx->fpdu_part_rcvd, bytes); @@ -841,8 +842,9 @@ int siw_proc_rresp(struct siw_qp *qp) bytes = min(srx->fpdu_part_rem, srx->skb_new); if (mem_p->mem_obj == NULL) - rv = siw_rx_kva(srx, (void *)(sge->laddr + wqe->processed), - bytes); + rv = siw_rx_kva(srx, + (void *)(uintptr_t)(sge->laddr + wqe->processed), + bytes); else if (!mem_p->is_pbl) rv = siw_rx_umem(srx, mem_p->umem, sge->laddr + wqe->processed, bytes); diff --git a/drivers/infiniband/sw/siw/siw_qp_tx.c b/drivers/infiniband/sw/siw/siw_qp_tx.c index 43020d2040fc..438a2917a47c 100644 --- a/drivers/infiniband/sw/siw/siw_qp_tx.c +++ b/drivers/infiniband/sw/siw/siw_qp_tx.c @@ -26,7 +26,7 @@ static struct page *siw_get_pblpage(struct siw_mem *mem, u64 addr, int *idx) { struct siw_pbl *pbl = mem->pbl; u64 offset = addr - mem->va; - u64 paddr = siw_pbl_get_buffer(pbl, offset, NULL, idx); + dma_addr_t paddr = siw_pbl_get_buffer(pbl, offset, NULL, idx); if (paddr) return virt_to_page(paddr); @@ -37,7 +37,7 @@ static struct page *siw_get_pblpage(struct siw_mem *mem, u64 addr, int *idx) /* * Copy short payload at provided destination payload address */ -static int siw_try_1seg(struct siw_iwarp_tx *c_tx, u64 paddr) +static int siw_try_1seg(struct siw_iwarp_tx *c_tx, void *paddr) { struct siw_wqe *wqe = &c_tx->wqe_active; struct siw_sge *sge = &wqe->sqe.sge[0]; @@ -50,16 +50,16 @@ static int siw_try_1seg(struct siw_iwarp_tx *c_tx, u64 paddr) return 0; if (tx_flags(wqe) & SIW_WQE_INLINE) { - memcpy((void *)paddr, &wqe->sqe.sge[1], bytes); + memcpy(paddr, &wqe->sqe.sge[1], bytes); } else { struct siw_mem *mem = wqe->mem[0]; if (!mem->mem_obj) { /* Kernel client using kva */ - memcpy((void *)paddr, (void *)sge->laddr, bytes); + memcpy(paddr, + (const void *)(uintptr_t)sge->laddr, bytes); } else if (c_tx->in_syscall) { - if (copy_from_user((void *)paddr, - (const void __user *)sge->laddr, + if (copy_from_user(paddr, u64_to_user_ptr(sge->laddr), bytes)) return -EFAULT; } else { @@ -79,12 +79,12 @@ static int siw_try_1seg(struct siw_iwarp_tx *c_tx, u64 paddr) buffer = kmap_atomic(p); if (likely(PAGE_SIZE - off >= bytes)) { - memcpy((void *)paddr, buffer + off, bytes); + memcpy(paddr, buffer + off, bytes); kunmap_atomic(buffer); } else { unsigned long part = bytes - (PAGE_SIZE - off); - memcpy((void *)paddr, buffer + off, part); + memcpy(paddr, buffer + off, part); kunmap_atomic(buffer); if (!mem->is_pbl) @@ -98,7 +98,7 @@ static int siw_try_1seg(struct siw_iwarp_tx *c_tx, u64 paddr) return -EFAULT; buffer = kmap_atomic(p); - memcpy((void *)(paddr + part), buffer, + memcpy(paddr + part, buffer, bytes - part); kunmap_atomic(buffer); } @@ -166,7 +166,7 @@ static int siw_qp_prepare_tx(struct siw_iwarp_tx *c_tx) c_tx->ctrl_len = sizeof(struct iwarp_send); crc = (char *)&c_tx->pkt.send_pkt.crc; - data = siw_try_1seg(c_tx, (u64)crc); + data = siw_try_1seg(c_tx, crc); break; case SIW_OP_SEND_REMOTE_INV: @@ -189,7 +189,7 @@ static int siw_qp_prepare_tx(struct siw_iwarp_tx *c_tx) c_tx->ctrl_len = sizeof(struct iwarp_send_inv); crc = (char *)&c_tx->pkt.send_pkt.crc; - data = siw_try_1seg(c_tx, (u64)crc); + data = siw_try_1seg(c_tx, crc); break; case SIW_OP_WRITE: @@ -201,7 +201,7 @@ static int siw_qp_prepare_tx(struct siw_iwarp_tx *c_tx) c_tx->ctrl_len = sizeof(struct iwarp_rdma_write); crc = (char *)&c_tx->pkt.write_pkt.crc; - data = siw_try_1seg(c_tx, (u64)crc); + data = siw_try_1seg(c_tx, crc); break; case SIW_OP_READ_RESPONSE: @@ -216,7 +216,7 @@ static int siw_qp_prepare_tx(struct siw_iwarp_tx *c_tx) c_tx->ctrl_len = sizeof(struct iwarp_rdma_rresp); crc = (char *)&c_tx->pkt.write_pkt.crc; - data = siw_try_1seg(c_tx, (u64)crc); + data = siw_try_1seg(c_tx, crc); break; default: @@ -398,15 +398,13 @@ static int siw_0copy_tx(struct socket *s, struct page **page, #define MAX_TRAILER (MPA_CRC_SIZE + 4) -static void siw_unmap_pages(struct page **pages, int hdr_len, int num_maps) +static void siw_unmap_pages(struct page **pp, unsigned long kmap_mask) { - if (hdr_len) { - ++pages; - --num_maps; - } - while (num_maps-- > 0) { - kunmap(*pages); - pages++; + while (kmap_mask) { + if (kmap_mask & BIT(0)) + kunmap(*pp); + pp++; + kmap_mask >>= 1; } } @@ -437,6 +435,7 @@ static int siw_tx_hdt(struct siw_iwarp_tx *c_tx, struct socket *s) unsigned int data_len = c_tx->bytes_unsent, hdr_len = 0, trl_len = 0, sge_off = c_tx->sge_off, sge_idx = c_tx->sge_idx, pbl_idx = c_tx->pbl_idx; + unsigned long kmap_mask = 0L; if (c_tx->state == SIW_SEND_HDR) { if (c_tx->use_sendpage) { @@ -463,8 +462,7 @@ static int siw_tx_hdt(struct siw_iwarp_tx *c_tx, struct socket *s) if (!(tx_flags(wqe) & SIW_WQE_INLINE)) { mem = wqe->mem[sge_idx]; - if (!mem->mem_obj) - is_kva = 1; + is_kva = mem->mem_obj == NULL ? 1 : 0; } else { is_kva = 1; } @@ -473,7 +471,8 @@ static int siw_tx_hdt(struct siw_iwarp_tx *c_tx, struct socket *s) * tx from kernel virtual address: either inline data * or memory region with assigned kernel buffer */ - iov[seg].iov_base = (void *)(sge->laddr + sge_off); + iov[seg].iov_base = + (void *)(uintptr_t)(sge->laddr + sge_off); iov[seg].iov_len = sge_len; if (do_crc) @@ -500,12 +499,7 @@ static int siw_tx_hdt(struct siw_iwarp_tx *c_tx, struct socket *s) p = siw_get_upage(mem->umem, sge->laddr + sge_off); if (unlikely(!p)) { - if (hdr_len) - seg--; - if (!c_tx->use_sendpage && seg) { - siw_unmap_pages(page_array, - hdr_len, seg); - } + siw_unmap_pages(page_array, kmap_mask); wqe->processed -= c_tx->bytes_unsent; rv = -EFAULT; goto done_crc; @@ -515,6 +509,10 @@ static int siw_tx_hdt(struct siw_iwarp_tx *c_tx, struct socket *s) if (!c_tx->use_sendpage) { iov[seg].iov_base = kmap(p) + fp_off; iov[seg].iov_len = plen; + + /* Remember for later kunmap() */ + kmap_mask |= BIT(seg); + if (do_crc) crypto_shash_update( c_tx->mpa_crc_hd, @@ -526,13 +524,13 @@ static int siw_tx_hdt(struct siw_iwarp_tx *c_tx, struct socket *s) page_address(p) + fp_off, plen); } else { - u64 pa = ((sge->laddr + sge_off) & PAGE_MASK); + u64 va = sge->laddr + sge_off; - page_array[seg] = virt_to_page(pa); + page_array[seg] = virt_to_page(va & PAGE_MASK); if (do_crc) crypto_shash_update( c_tx->mpa_crc_hd, - (void *)(sge->laddr + sge_off), + (void *)(uintptr_t)va, plen); } @@ -543,10 +541,7 @@ static int siw_tx_hdt(struct siw_iwarp_tx *c_tx, struct socket *s) if (++seg > (int)MAX_ARRAY) { siw_dbg_qp(tx_qp(c_tx), "to many fragments\n"); - if (!is_kva && !c_tx->use_sendpage) { - siw_unmap_pages(page_array, hdr_len, - seg - 1); - } + siw_unmap_pages(page_array, kmap_mask); wqe->processed -= c_tx->bytes_unsent; rv = -EMSGSIZE; goto done_crc; @@ -597,8 +592,7 @@ sge_done: } else { rv = kernel_sendmsg(s, &msg, iov, seg + 1, hdr_len + data_len + trl_len); - if (!is_kva) - siw_unmap_pages(page_array, hdr_len, seg); + siw_unmap_pages(page_array, kmap_mask); } if (rv < (int)hdr_len) { /* Not even complete hdr pushed or negative rv */ @@ -829,7 +823,8 @@ static int siw_qp_sq_proc_tx(struct siw_qp *qp, struct siw_wqe *wqe) rv = -EINVAL; goto tx_error; } - wqe->sqe.sge[0].laddr = (u64)&wqe->sqe.sge[1]; + wqe->sqe.sge[0].laddr = + (u64)(uintptr_t)&wqe->sqe.sge[1]; } } wqe->wr_status = SIW_WR_INPROGRESS; @@ -924,7 +919,7 @@ tx_error: static int siw_fastreg_mr(struct ib_pd *pd, struct siw_sqe *sqe) { - struct ib_mr *base_mr = (struct ib_mr *)sqe->base_mr; + struct ib_mr *base_mr = (struct ib_mr *)(uintptr_t)sqe->base_mr; struct siw_device *sdev = to_siw_dev(pd->device); struct siw_mem *mem = siw_mem_id2obj(sdev, sqe->rkey >> 8); int rv = 0; @@ -954,8 +949,7 @@ static int siw_fastreg_mr(struct ib_pd *pd, struct siw_sqe *sqe) mem->stag = sqe->rkey; mem->perms = sqe->access; - siw_dbg_mem(mem, "STag now valid, MR va: 0x%016llx -> 0x%016llx\n", - mem->va, base_mr->iova); + siw_dbg_mem(mem, "STag 0x%08x now valid\n", sqe->rkey); mem->va = base_mr->iova; mem->stag_valid = 1; out: diff --git a/drivers/infiniband/sw/siw/siw_verbs.c b/drivers/infiniband/sw/siw/siw_verbs.c index 32dc79d0e898..da52c90e06d4 100644 --- a/drivers/infiniband/sw/siw/siw_verbs.c +++ b/drivers/infiniband/sw/siw/siw_verbs.c @@ -424,8 +424,7 @@ struct ib_qp *siw_create_qp(struct ib_pd *pd, */ qp->srq = to_siw_srq(attrs->srq); qp->attrs.rq_size = 0; - siw_dbg(base_dev, "QP [%u]: [SRQ 0x%p] attached\n", - qp->qp_num, qp->srq); + siw_dbg(base_dev, "QP [%u]: SRQ attached\n", qp->qp_num); } else if (num_rqe) { if (qp->kernel_verbs) qp->recvq = vzalloc(num_rqe * sizeof(struct siw_rqe)); @@ -610,7 +609,7 @@ int siw_destroy_qp(struct ib_qp *base_qp, struct ib_udata *udata) base_ucontext); struct siw_qp_attrs qp_attrs; - siw_dbg_qp(qp, "state %d, cep 0x%p\n", qp->attrs.state, qp->cep); + siw_dbg_qp(qp, "state %d\n", qp->attrs.state); /* * Mark QP as in process of destruction to prevent from @@ -662,7 +661,7 @@ static int siw_copy_inline_sgl(const struct ib_send_wr *core_wr, void *kbuf = &sqe->sge[1]; int num_sge = core_wr->num_sge, bytes = 0; - sqe->sge[0].laddr = (u64)kbuf; + sqe->sge[0].laddr = (uintptr_t)kbuf; sqe->sge[0].lkey = 0; while (num_sge--) { @@ -825,7 +824,7 @@ int siw_post_send(struct ib_qp *base_qp, const struct ib_send_wr *wr, break; case IB_WR_REG_MR: - sqe->base_mr = (uint64_t)reg_wr(wr)->mr; + sqe->base_mr = (uintptr_t)reg_wr(wr)->mr; sqe->rkey = reg_wr(wr)->key; sqe->access = reg_wr(wr)->access & IWARP_ACCESS_MASK; sqe->opcode = SIW_OP_REG_MR; @@ -842,8 +841,9 @@ int siw_post_send(struct ib_qp *base_qp, const struct ib_send_wr *wr, rv = -EINVAL; break; } - siw_dbg_qp(qp, "opcode %d, flags 0x%x, wr_id 0x%p\n", - sqe->opcode, sqe->flags, (void *)sqe->id); + siw_dbg_qp(qp, "opcode %d, flags 0x%x, wr_id 0x%pK\n", + sqe->opcode, sqe->flags, + (void *)(uintptr_t)sqe->id); if (unlikely(rv < 0)) break; @@ -1049,7 +1049,7 @@ int siw_create_cq(struct ib_cq *base_cq, const struct ib_cq_init_attr *attr, spin_lock_init(&cq->lock); - cq->notify = &((struct siw_cq_ctrl *)&cq->queue[size])->notify; + cq->notify = (struct siw_cq_ctrl *)&cq->queue[size]; if (udata) { struct siw_uresp_create_cq uresp = {}; @@ -1141,11 +1141,17 @@ int siw_req_notify_cq(struct ib_cq *base_cq, enum ib_cq_notify_flags flags) siw_dbg_cq(cq, "flags: 0x%02x\n", flags); if ((flags & IB_CQ_SOLICITED_MASK) == IB_CQ_SOLICITED) - /* CQ event for next solicited completion */ - smp_store_mb(*cq->notify, SIW_NOTIFY_SOLICITED); + /* + * Enable CQ event for next solicited completion. + * and make it visible to all associated producers. + */ + smp_store_mb(cq->notify->flags, SIW_NOTIFY_SOLICITED); else - /* CQ event for any signalled completion */ - smp_store_mb(*cq->notify, SIW_NOTIFY_ALL); + /* + * Enable CQ event for any signalled completion. + * and make it visible to all associated producers. + */ + smp_store_mb(cq->notify->flags, SIW_NOTIFY_ALL); if (flags & IB_CQ_REPORT_MISSED_EVENTS) return cq->cq_put - cq->cq_get; @@ -1199,8 +1205,8 @@ struct ib_mr *siw_reg_user_mr(struct ib_pd *pd, u64 start, u64 len, unsigned long mem_limit = rlimit(RLIMIT_MEMLOCK); int rv; - siw_dbg_pd(pd, "start: 0x%016llx, va: 0x%016llx, len: %llu\n", - (unsigned long long)start, (unsigned long long)rnic_va, + siw_dbg_pd(pd, "start: 0x%pK, va: 0x%pK, len: %llu\n", + (void *)(uintptr_t)start, (void *)(uintptr_t)rnic_va, (unsigned long long)len); if (atomic_inc_return(&sdev->num_mr) > SIW_MAX_MR) { @@ -1357,7 +1363,7 @@ int siw_map_mr_sg(struct ib_mr *base_mr, struct scatterlist *sl, int num_sle, struct siw_mem *mem = mr->mem; struct siw_pbl *pbl = mem->pbl; struct siw_pble *pble; - u64 pbl_size; + unsigned long pbl_size; int i, rv; if (!pbl) { @@ -1396,16 +1402,18 @@ int siw_map_mr_sg(struct ib_mr *base_mr, struct scatterlist *sl, int num_sle, pbl_size += sg_dma_len(slp); } siw_dbg_mem(mem, - "sge[%d], size %llu, addr 0x%016llx, total %llu\n", - i, pble->size, pble->addr, pbl_size); + "sge[%d], size %u, addr 0x%p, total %lu\n", + i, pble->size, (void *)(uintptr_t)pble->addr, + pbl_size); } rv = ib_sg_to_pages(base_mr, sl, num_sle, sg_off, siw_set_pbl_page); if (rv > 0) { mem->len = base_mr->length; mem->va = base_mr->iova; siw_dbg_mem(mem, - "%llu bytes, start 0x%016llx, %u SLE to %u entries\n", - mem->len, mem->va, num_sle, pbl->num_buf); + "%llu bytes, start 0x%pK, %u SLE to %u entries\n", + mem->len, (void *)(uintptr_t)mem->va, num_sle, + pbl->num_buf); } return rv; } @@ -1523,7 +1531,7 @@ int siw_create_srq(struct ib_srq *base_srq, } spin_lock_init(&srq->lock); - siw_dbg_pd(base_srq->pd, "[SRQ 0x%p]: success\n", srq); + siw_dbg_pd(base_srq->pd, "[SRQ]: success\n"); return 0; |