diff options
| -rw-r--r-- | net/rds/ib.h | 4 | ||||
| -rw-r--r-- | net/rds/ib_send.c | 60 | ||||
| -rw-r--r-- | net/rds/iw.h | 4 | ||||
| -rw-r--r-- | net/rds/iw_send.c | 68 | ||||
| -rw-r--r-- | net/rds/message.c | 8 | ||||
| -rw-r--r-- | net/rds/rdma.c | 58 | ||||
| -rw-r--r-- | net/rds/rds.h | 41 | ||||
| -rw-r--r-- | net/rds/send.c | 50 |
8 files changed, 145 insertions, 148 deletions
diff --git a/net/rds/ib.h b/net/rds/ib.h index 96769b8..d64b508 100644 --- a/net/rds/ib.h +++ b/net/rds/ib.h @@ -54,7 +54,7 @@ struct rds_ib_connect_private { struct rds_ib_send_work { struct rds_message *s_rm; - struct rds_rdma_op *s_op; + struct rm_rdma_op *s_op; struct ib_send_wr s_wr; struct ib_sge s_sge[RDS_IB_MAX_SGE]; unsigned long s_queued; @@ -331,7 +331,7 @@ int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm, void rds_ib_send_cq_comp_handler(struct ib_cq *cq, void *context); void rds_ib_send_init_ring(struct rds_ib_connection *ic); void rds_ib_send_clear_ring(struct rds_ib_connection *ic); -int rds_ib_xmit_rdma(struct rds_connection *conn, struct rds_rdma_op *op); +int rds_ib_xmit_rdma(struct rds_connection *conn, struct rm_rdma_op *op); void rds_ib_send_add_credits(struct rds_connection *conn, unsigned int credits); void rds_ib_advertise_credits(struct rds_connection *conn, unsigned int posted); int rds_ib_send_grab_credits(struct rds_ib_connection *ic, u32 wanted, diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c index e6745d8..63981cd1 100644 --- a/net/rds/ib_send.c +++ b/net/rds/ib_send.c @@ -79,14 +79,14 @@ static void rds_ib_send_unmap_rm(struct rds_ib_connection *ic, rm->data.m_sg, rm->data.m_nents, DMA_TO_DEVICE); - if (rm->rdma.m_rdma_op.r_active) { - struct rds_rdma_op *op = &rm->rdma.m_rdma_op; + if (rm->rdma.op_active) { + struct rm_rdma_op *op = &rm->rdma; - if (op->r_mapped) { + if (op->op_mapped) { ib_dma_unmap_sg(ic->i_cm_id->device, - op->r_sg, op->r_nents, - op->r_write ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - op->r_mapped = 0; + op->op_sg, op->op_nents, + op->op_write ? DMA_TO_DEVICE : DMA_FROM_DEVICE); + op->op_mapped = 0; } /* If the user asked for a completion notification on this @@ -111,10 +111,10 @@ static void rds_ib_send_unmap_rm(struct rds_ib_connection *ic, */ rds_ib_send_complete(rm, wc_status, rds_rdma_send_complete); - if (rm->rdma.m_rdma_op.r_write) - rds_stats_add(s_send_rdma_bytes, rm->rdma.m_rdma_op.r_bytes); + if (rm->rdma.op_write) + rds_stats_add(s_send_rdma_bytes, rm->rdma.op_bytes); else - rds_stats_add(s_recv_rdma_bytes, rm->rdma.m_rdma_op.r_bytes); + rds_stats_add(s_recv_rdma_bytes, rm->rdma.op_bytes); } if (rm->atomic.op_active) { @@ -540,10 +540,10 @@ int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm, /* If it has a RDMA op, tell the peer we did it. This is * used by the peer to release use-once RDMA MRs. */ - if (rm->rdma.m_rdma_op.r_active) { + if (rm->rdma.op_active) { struct rds_ext_header_rdma ext_hdr; - ext_hdr.h_rdma_rkey = cpu_to_be32(rm->rdma.m_rdma_op.r_key); + ext_hdr.h_rdma_rkey = cpu_to_be32(rm->rdma.op_rkey); rds_message_add_extension(&rm->m_inc.i_hdr, RDS_EXTHDR_RDMA, &ext_hdr, sizeof(ext_hdr)); } @@ -576,7 +576,7 @@ int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm, * or when requested by the user. Right now, we let * the application choose. */ - if (rm->rdma.m_rdma_op.r_active && rm->rdma.m_rdma_op.r_fence) + if (rm->rdma.op_active && rm->rdma.op_fence) send_flags = IB_SEND_FENCE; /* Each frag gets a header. Msgs may be 0 bytes */ @@ -746,7 +746,7 @@ int rds_ib_xmit_atomic(struct rds_connection *conn, struct rds_message *rm) * we must fill in s_rm ourselves, so we properly clean up * on completion. */ - if (!rm->rdma.m_rdma_op.r_active && !rm->data.op_active) + if (!rm->rdma.op_active && !rm->data.op_active) send->s_rm = rm; /* map 8 byte retval buffer to the device */ @@ -788,7 +788,7 @@ out: return ret; } -int rds_ib_xmit_rdma(struct rds_connection *conn, struct rds_rdma_op *op) +int rds_ib_xmit_rdma(struct rds_connection *conn, struct rm_rdma_op *op) { struct rds_ib_connection *ic = conn->c_transport_data; struct rds_ib_send_work *send = NULL; @@ -798,7 +798,7 @@ int rds_ib_xmit_rdma(struct rds_connection *conn, struct rds_rdma_op *op) struct rds_ib_device *rds_ibdev; struct scatterlist *scat; unsigned long len; - u64 remote_addr = op->r_remote_addr; + u64 remote_addr = op->op_remote_addr; u32 pos; u32 work_alloc; u32 i; @@ -810,25 +810,25 @@ int rds_ib_xmit_rdma(struct rds_connection *conn, struct rds_rdma_op *op) rds_ibdev = ib_get_client_data(ic->i_cm_id->device, &rds_ib_client); /* map the message the first time we see it */ - if (!op->r_mapped) { - op->r_count = ib_dma_map_sg(ic->i_cm_id->device, - op->r_sg, op->r_nents, (op->r_write) ? - DMA_TO_DEVICE : DMA_FROM_DEVICE); - rdsdebug("ic %p mapping op %p: %d\n", ic, op, op->r_count); - if (op->r_count == 0) { + if (!op->op_mapped) { + op->op_count = ib_dma_map_sg(ic->i_cm_id->device, + op->op_sg, op->op_nents, (op->op_write) ? + DMA_TO_DEVICE : DMA_FROM_DEVICE); + rdsdebug("ic %p mapping op %p: %d\n", ic, op, op->op_count); + if (op->op_count == 0) { rds_ib_stats_inc(s_ib_tx_sg_mapping_failure); ret = -ENOMEM; /* XXX ? */ goto out; } - op->r_mapped = 1; + op->op_mapped = 1; } /* * Instead of knowing how to return a partial rdma read/write we insist that there * be enough work requests to send the entire message. */ - i = ceil(op->r_count, rds_ibdev->max_sge); + i = ceil(op->op_count, rds_ibdev->max_sge); work_alloc = rds_ib_ring_alloc(&ic->i_send_ring, i, &pos); if (work_alloc != i) { @@ -841,19 +841,19 @@ int rds_ib_xmit_rdma(struct rds_connection *conn, struct rds_rdma_op *op) send = &ic->i_sends[pos]; first = send; prev = NULL; - scat = &op->r_sg[0]; + scat = &op->op_sg[0]; sent = 0; - num_sge = op->r_count; + num_sge = op->op_count; - for (i = 0; i < work_alloc && scat != &op->r_sg[op->r_count]; i++) { + for (i = 0; i < work_alloc && scat != &op->op_sg[op->op_count]; i++) { send->s_wr.send_flags = 0; send->s_queued = jiffies; - rds_ib_set_wr_signal_state(ic, send, op->r_notify); + rds_ib_set_wr_signal_state(ic, send, op->op_notify); - send->s_wr.opcode = op->r_write ? IB_WR_RDMA_WRITE : IB_WR_RDMA_READ; + send->s_wr.opcode = op->op_write ? IB_WR_RDMA_WRITE : IB_WR_RDMA_READ; send->s_wr.wr.rdma.remote_addr = remote_addr; - send->s_wr.wr.rdma.rkey = op->r_key; + send->s_wr.wr.rdma.rkey = op->op_rkey; send->s_op = op; if (num_sge > rds_ibdev->max_sge) { @@ -868,7 +868,7 @@ int rds_ib_xmit_rdma(struct rds_connection *conn, struct rds_rdma_op *op) if (prev) prev->s_wr.next = &send->s_wr; - for (j = 0; j < send->s_wr.num_sge && scat != &op->r_sg[op->r_count]; j++) { + for (j = 0; j < send->s_wr.num_sge && scat != &op->op_sg[op->op_count]; j++) { len = ib_sg_dma_len(ic->i_cm_id->device, scat); send->s_sge[j].addr = ib_sg_dma_address(ic->i_cm_id->device, scat); diff --git a/net/rds/iw.h b/net/rds/iw.h index 6f08300..f112105 100644 --- a/net/rds/iw.h +++ b/net/rds/iw.h @@ -70,7 +70,7 @@ struct rds_iw_send_work { struct rds_message *s_rm; /* We should really put these into a union: */ - struct rds_rdma_op *s_op; + struct rm_rdma_op *s_op; struct rds_iw_mapping *s_mapping; struct ib_mr *s_mr; struct ib_fast_reg_page_list *s_page_list; @@ -357,7 +357,7 @@ int rds_iw_xmit(struct rds_connection *conn, struct rds_message *rm, void rds_iw_send_cq_comp_handler(struct ib_cq *cq, void *context); void rds_iw_send_init_ring(struct rds_iw_connection *ic); void rds_iw_send_clear_ring(struct rds_iw_connection *ic); -int rds_iw_xmit_rdma(struct rds_connection *conn, struct rds_rdma_op *op); +int rds_iw_xmit_rdma(struct rds_connection *conn, struct rm_rdma_op *op); void rds_iw_send_add_credits(struct rds_connection *conn, unsigned int credits); void rds_iw_advertise_credits(struct rds_connection *conn, unsigned int posted); int rds_iw_send_grab_credits(struct rds_iw_connection *ic, u32 wanted, diff --git a/net/rds/iw_send.c b/net/rds/iw_send.c index 9b79a1b..05ebf16 100644 --- a/net/rds/iw_send.c +++ b/net/rds/iw_send.c @@ -63,13 +63,13 @@ static void rds_iw_send_rdma_complete(struct rds_message *rm, } static void rds_iw_send_unmap_rdma(struct rds_iw_connection *ic, - struct rds_rdma_op *op) + struct rm_rdma_op *op) { - if (op->r_mapped) { + if (op->op_mapped) { ib_dma_unmap_sg(ic->i_cm_id->device, - op->r_sg, op->r_nents, - op->r_write ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - op->r_mapped = 0; + op->op_sg, op->op_nents, + op->op_write ? DMA_TO_DEVICE : DMA_FROM_DEVICE); + op->op_mapped = 0; } } @@ -85,8 +85,8 @@ static void rds_iw_send_unmap_rm(struct rds_iw_connection *ic, rm->data.m_sg, rm->data.m_nents, DMA_TO_DEVICE); - if (rm->rdma.m_rdma_op.r_active) { - rds_iw_send_unmap_rdma(ic, &rm->rdma.m_rdma_op); + if (rm->rdma.op_active) { + rds_iw_send_unmap_rdma(ic, &rm->rdma); /* If the user asked for a completion notification on this * message, we can implement three different semantics: @@ -110,10 +110,10 @@ static void rds_iw_send_unmap_rm(struct rds_iw_connection *ic, */ rds_iw_send_rdma_complete(rm, wc_status); - if (rm->rdma.m_rdma_op.r_write) - rds_stats_add(s_send_rdma_bytes, rm->rdma.m_rdma_op.r_bytes); + if (rm->rdma.op_write) + rds_stats_add(s_send_rdma_bytes, rm->rdma.op_bytes); else - rds_stats_add(s_recv_rdma_bytes, rm->rdma.m_rdma_op.r_bytes); + rds_stats_add(s_recv_rdma_bytes, rm->rdma.op_bytes); } /* If anyone waited for this message to get flushed out, wake @@ -591,10 +591,10 @@ int rds_iw_xmit(struct rds_connection *conn, struct rds_message *rm, /* If it has a RDMA op, tell the peer we did it. This is * used by the peer to release use-once RDMA MRs. */ - if (rm->rdma.m_rdma_op.r_active) { + if (rm->rdma.op_active) { struct rds_ext_header_rdma ext_hdr; - ext_hdr.h_rdma_rkey = cpu_to_be32(rm->rdma.m_rdma_op.r_key); + ext_hdr.h_rdma_rkey = cpu_to_be32(rm->rdma.op_rkey); rds_message_add_extension(&rm->m_inc.i_hdr, RDS_EXTHDR_RDMA, &ext_hdr, sizeof(ext_hdr)); } @@ -632,7 +632,7 @@ int rds_iw_xmit(struct rds_connection *conn, struct rds_message *rm, * or when requested by the user. Right now, we let * the application choose. */ - if (rm->rdma.m_rdma_op.r_active && rm->rdma.m_rdma_op.r_fence) + if (rm->rdma.op_active && rm->rdma.op_fence) send_flags = IB_SEND_FENCE; /* @@ -785,7 +785,7 @@ static void rds_iw_build_send_fastreg(struct rds_iw_device *rds_iwdev, struct rd ib_update_fast_reg_key(send->s_mr, send->s_remap_count++); } -int rds_iw_xmit_rdma(struct rds_connection *conn, struct rds_rdma_op *op) +int rds_iw_xmit_rdma(struct rds_connection *conn, struct rm_rdma_op *op) { struct rds_iw_connection *ic = conn->c_transport_data; struct rds_iw_send_work *send = NULL; @@ -795,7 +795,7 @@ int rds_iw_xmit_rdma(struct rds_connection *conn, struct rds_rdma_op *op) struct rds_iw_device *rds_iwdev; struct scatterlist *scat; unsigned long len; - u64 remote_addr = op->r_remote_addr; + u64 remote_addr = op->op_remote_addr; u32 pos, fr_pos; u32 work_alloc; u32 i; @@ -807,21 +807,21 @@ int rds_iw_xmit_rdma(struct rds_connection *conn, struct rds_rdma_op *op) rds_iwdev = ib_get_client_data(ic->i_cm_id->device, &rds_iw_client); /* map the message the first time we see it */ - if (!op->r_mapped) { - op->r_count = ib_dma_map_sg(ic->i_cm_id->device, - op->r_sg, op->r_nents, (op->r_write) ? - DMA_TO_DEVICE : DMA_FROM_DEVICE); - rdsdebug("ic %p mapping op %p: %d\n", ic, op, op->r_count); - if (op->r_count == 0) { + if (!op->op_mapped) { + op->op_count = ib_dma_map_sg(ic->i_cm_id->device, + op->op_sg, op->op_nents, (op->op_write) ? + DMA_TO_DEVICE : DMA_FROM_DEVICE); + rdsdebug("ic %p mapping op %p: %d\n", ic, op, op->op_count); + if (op->op_count == 0) { rds_iw_stats_inc(s_iw_tx_sg_mapping_failure); ret = -ENOMEM; /* XXX ? */ goto out; } - op->r_mapped = 1; + op->op_mapped = 1; } - if (!op->r_write) { + if (!op->op_write) { /* Alloc space on the send queue for the fastreg */ work_alloc = rds_iw_ring_alloc(&ic->i_send_ring, 1, &fr_pos); if (work_alloc != 1) { @@ -836,7 +836,7 @@ int rds_iw_xmit_rdma(struct rds_connection *conn, struct rds_rdma_op *op) * Instead of knowing how to return a partial rdma read/write we insist that there * be enough work requests to send the entire message. */ - i = ceil(op->r_count, rds_iwdev->max_sge); + i = ceil(op->op_count, rds_iwdev->max_sge); work_alloc = rds_iw_ring_alloc(&ic->i_send_ring, i, &pos); if (work_alloc != i) { @@ -847,17 +847,17 @@ int rds_iw_xmit_rdma(struct rds_connection *conn, struct rds_rdma_op *op) } send = &ic->i_sends[pos]; - if (!op->r_write) { + if (!op->op_write) { first = prev = &ic->i_sends[fr_pos]; } else { first = send; prev = NULL; } - scat = &op->r_sg[0]; + scat = &op->op_sg[0]; sent = 0; - num_sge = op->r_count; + num_sge = op->op_count; - for (i = 0; i < work_alloc && scat != &op->r_sg[op->r_count]; i++) { + for (i = 0; i < work_alloc && scat != &op->op_sg[op->op_count]; i++) { send->s_wr.send_flags = 0; send->s_queued = jiffies; @@ -874,13 +874,13 @@ int rds_iw_xmit_rdma(struct rds_connection *conn, struct rds_rdma_op *op) * for local access after RDS is finished with it, using * IB_WR_RDMA_READ_WITH_INV will invalidate it after the read has completed. */ - if (op->r_write) + if (op->op_write) send->s_wr.opcode = IB_WR_RDMA_WRITE; else send->s_wr.opcode = IB_WR_RDMA_READ_WITH_INV; send->s_wr.wr.rdma.remote_addr = remote_addr; - send->s_wr.wr.rdma.rkey = op->r_key; + send->s_wr.wr.rdma.rkey = op->op_rkey; send->s_op = op; if (num_sge > rds_iwdev->max_sge) { @@ -894,7 +894,7 @@ int rds_iw_xmit_rdma(struct rds_connection *conn, struct rds_rdma_op *op) if (prev) prev->s_wr.next = &send->s_wr; - for (j = 0; j < send->s_wr.num_sge && scat != &op->r_sg[op->r_count]; j++) { + for (j = 0; j < send->s_wr.num_sge && scat != &op->op_sg[op->op_count]; j++) { len = ib_sg_dma_len(ic->i_cm_id->device, scat); if (send->s_wr.opcode == IB_WR_RDMA_READ_WITH_INV) @@ -928,7 +928,7 @@ int rds_iw_xmit_rdma(struct rds_connection *conn, struct rds_rdma_op *op) } /* if we finished the message then send completion owns it */ - if (scat == &op->r_sg[op->r_count]) + if (scat == &op->op_sg[op->op_count]) first->s_wr.send_flags = IB_SEND_SIGNALED; if (i < work_alloc) { @@ -942,9 +942,9 @@ int rds_iw_xmit_rdma(struct rds_connection *conn, struct rds_rdma_op *op) * adapters do not allow using the lkey for this at all. To bypass this use a * fastreg_mr (or possibly a dma_mr) */ - if (!op->r_write) { + if (!op->op_write) { rds_iw_build_send_fastreg(rds_iwdev, ic, &ic->i_sends[fr_pos], - op->r_count, sent, conn->c_xmit_rm->m_rs->rs_user_addr); + op->op_count, sent, conn->c_xmit_rm->m_rs->rs_user_addr); work_alloc++; } diff --git a/net/rds/message.c b/net/rds/message.c index b53306c..bca7eda 100644 --- a/net/rds/message.c +++ b/net/rds/message.c @@ -69,10 +69,10 @@ static void rds_message_purge(struct rds_message *rm) } rm->data.m_nents = 0; - if (rm->rdma.m_rdma_op.r_active) - rds_rdma_free_op(&rm->rdma.m_rdma_op); - if (rm->rdma.m_rdma_mr) - rds_mr_put(rm->rdma.m_rdma_mr); + if (rm->rdma.op_active) + rds_rdma_free_op(&rm->rdma); + if (rm->rdma.op_rdma_mr) + rds_mr_put(rm->rdma.op_rdma_mr); if (rm->atomic.op_active) rds_atomic_free_op(&rm->atomic); diff --git a/net/rds/rdma.c b/net/rds/rdma.c index 0df86a3..8d22999 100644 --- a/net/rds/rdma.c +++ b/net/rds/rdma.c @@ -440,26 +440,26 @@ void rds_rdma_unuse(struct rds_sock *rs, u32 r_key, int force) rds_mr_put(mr); } -void rds_rdma_free_op(struct rds_rdma_op *ro) +void rds_rdma_free_op(struct rm_rdma_op *ro) { unsigned int i; - for (i = 0; i < ro->r_nents; i++) { - struct page *page = sg_page(&ro->r_sg[i]); + for (i = 0; i < ro->op_nents; i++) { + struct page *page = sg_page(&ro->op_sg[i]); /* Mark page dirty if it was possibly modified, which * is the case for a RDMA_READ which copies from remote * to local memory */ - if (!ro->r_write) { + if (!ro->op_write) { BUG_ON(irqs_disabled()); set_page_dirty(page); } put_page(page); } - kfree(ro->r_notifier); - ro->r_notifier = NULL; - ro->r_active = 0; + kfree(ro->op_notifier); + ro->op_notifier = NULL; + ro->op_active = 0; } void rds_atomic_free_op(struct rm_atomic_op *ao) @@ -521,7 +521,7 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm, { struct rds_rdma_args *args; struct rds_iovec vec; - struct rds_rdma_op *op = &rm->rdma.m_rdma_op; + struct rm_rdma_op *op = &rm->rdma; unsigned int nr_pages; unsigned int nr_bytes; struct page **pages = NULL; @@ -531,7 +531,7 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm, int ret = 0; if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct rds_rdma_args)) - || rm->rdma.m_rdma_op.r_active) + || rm->rdma.op_active) return -EINVAL; args = CMSG_DATA(cmsg); @@ -556,27 +556,27 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm, goto out; } - op->r_write = !!(args->flags & RDS_RDMA_READWRITE); - op->r_fence = !!(args->flags & RDS_RDMA_FENCE); - op->r_notify = !!(args->flags & RDS_RDMA_NOTIFY_ME); - op->r_active = 1; - op->r_recverr = rs->rs_recverr; + op->op_write = !!(args->flags & RDS_RDMA_READWRITE); + op->op_fence = !!(args->flags & RDS_RDMA_FENCE); + op->op_notify = !!(args->flags & RDS_RDMA_NOTIFY_ME); + op->op_active = 1; + op->op_recverr = rs->rs_recverr; WARN_ON(!nr_pages); - op->r_sg = rds_message_alloc_sgs(rm, nr_pages); + op->op_sg = rds_message_alloc_sgs(rm, nr_pages); - if (op->r_notify || op->r_recverr) { + if (op->op_notify || op->op_recverr) { /* We allocate an uninitialized notifier here, because * we don't want to do that in the completion handler. We * would have to use GFP_ATOMIC there, and don't want to deal * with failed allocations. */ - op->r_notifier = kmalloc(sizeof(struct rds_notifier), GFP_KERNEL); - if (!op->r_notifier) { + op->op_notifier = kmalloc(sizeof(struct rds_notifier), GFP_KERNEL); + if (!op->op_notifier) { ret = -ENOMEM; goto out; } - op->r_notifier->n_user_token = args->user_token; - op->r_notifier->n_status = RDS_RDMA_SUCCESS; + op->op_notifier->n_user_token = args->user_token; + op->op_notifier->n_status = RDS_RDMA_SUCCESS; } /* The cookie contains the R_Key of the remote memory region, and @@ -586,15 +586,15 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm, * destination address (which is really an offset into the MR) * FIXME: We may want to move this into ib_rdma.c */ - op->r_key = rds_rdma_cookie_key(args->cookie); - op->r_remote_addr = args->remote_vec.addr + rds_rdma_cookie_offset(args->cookie); + op->op_rkey = rds_rdma_cookie_key(args->cookie); + op->op_remote_addr = args->remote_vec.addr + rds_rdma_cookie_offset(args->cookie); nr_bytes = 0; rdsdebug("RDS: rdma prepare nr_local %llu rva %llx rkey %x\n", (unsigned long long)args->nr_local, (unsigned long long)args->remote_vec.addr, - op->r_key); + op->op_rkey); local_vec = (struct rds_iovec __user *)(unsigned long) args->local_vec_addr; @@ -617,7 +617,7 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm, /* If it's a WRITE operation, we want to pin the pages for reading. * If it's a READ operation, we need to pin the pages for writing. */ - ret = rds_pin_pages(vec.addr, nr, pages, !op->r_write); + ret = rds_pin_pages(vec.addr, nr, pages, !op->op_write); if (ret < 0) goto out; @@ -630,7 +630,7 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm, unsigned int offset = vec.addr & ~PAGE_MASK; struct scatterlist *sg; - sg = &op->r_sg[op->r_nents + j]; + sg = &op->op_sg[op->op_nents + j]; sg_set_page(sg, pages[j], min_t(unsigned int, vec.bytes, PAGE_SIZE - offset), offset); @@ -642,7 +642,7 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm, vec.bytes -= sg->length; } - op->r_nents += nr; + op->op_nents += nr; } if (nr_bytes > args->remote_vec.bytes) { @@ -652,7 +652,7 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm, ret = -EINVAL; goto out; } - op->r_bytes = nr_bytes; + op->op_bytes = nr_bytes; ret = 0; out: @@ -700,7 +700,7 @@ int rds_cmsg_rdma_dest(struct rds_sock *rs, struct rds_message *rm, if (mr) { mr->r_trans->sync_mr(mr->r_trans_private, DMA_TO_DEVICE); - rm->rdma.m_rdma_mr = mr; + rm->rdma.op_rdma_mr = mr; } return err; } @@ -718,7 +718,7 @@ int rds_cmsg_rdma_map(struct rds_sock *rs, struct rds_message *rm, rm->m_rdma_cookie != 0) return -EINVAL; - return __rds_rdma_map(rs, CMSG_DATA(cmsg), &rm->m_rdma_cookie, &rm->rdma.m_rdma_mr); + return __rds_rdma_map(rs, CMSG_DATA(cmsg), &rm->m_rdma_cookie, &rm->rdma.op_rdma_mr); } /* diff --git a/net/rds/rds.h b/net/rds/rds.h index 32b3d46..76eeb59 100644 --- a/net/rds/rds.h +++ b/net/rds/rds.h @@ -230,22 +230,6 @@ struct rds_mr { /* Flags for mr->r_state */ #define RDS_MR_DEAD 0 -struct rds_rdma_op { - u32 r_key; - u64 r_remote_addr; - unsigned int r_write:1; - unsigned int r_fence:1; - unsigned int r_notify:1; - unsigned int r_recverr:1; - unsigned int r_mapped:1; - unsigned int r_active:1; - struct rds_notifier *r_notifier; - unsigned int r_bytes; - unsigned int r_nents; - unsigned int r_count; - struct scatterlist *r_sg; -}; - static inline rds_rdma_cookie_t rds_rdma_make_cookie(u32 r_key, u32 offset) { return r_key | (((u64) offset) << 32); @@ -331,14 +315,27 @@ struct rds_message { unsigned int op_recverr:1; unsigned int op_mapped:1; unsigned int op_active:1; - struct rds_notifier *op_notifier; struct scatterlist *op_sg; + struct rds_notifier *op_notifier; struct rds_mr *op_rdma_mr; } atomic; struct rm_rdma_op { - struct rds_rdma_op m_rdma_op; - struct rds_mr *m_rdma_mr; + u32 op_rkey; + u64 op_remote_addr; + unsigned int op_write:1; + unsigned int op_fence:1; + unsigned int op_notify:1; + unsigned int op_recverr:1; + unsigned int op_mapped:1; + unsigned int op_active:1; + unsigned int op_bytes; + unsigned int op_nents; + unsigned int op_count; + struct scatterlist *op_sg; + struct rds_notifier *op_notifier; + + struct rds_mr *op_rdma_mr; } rdma; struct rm_data_op { unsigned int op_active:1; @@ -418,7 +415,7 @@ struct rds_transport { unsigned int hdr_off, unsigned int sg, unsigned int off); int (*xmit_cong_map)(struct rds_connection *conn, struct rds_cong_map *map, unsigned long offset); - int (*xmit_rdma)(struct rds_connection *conn, struct rds_rdma_op *op); + int (*xmit_rdma)(struct rds_connection *conn, struct rm_rdma_op *op); int (*xmit_atomic)(struct rds_connection *conn, struct rds_message *rm); int (*recv)(struct rds_connection *conn); int (*inc_copy_to_user)(struct rds_incoming *inc, struct iovec *iov, @@ -727,7 +724,7 @@ int rds_send_acked_before(struct rds_connection *conn, u64 seq); void rds_send_remove_from_sock(struct list_head *messages, int status); int rds_send_pong(struct rds_connection *conn, __be16 dport); struct rds_message *rds_send_get_message(struct rds_connection *, - struct rds_rdma_op *); + struct rm_rdma_op *); /* rdma.c */ void rds_rdma_unuse(struct rds_sock *rs, u32 r_key, int force); @@ -744,7 +741,7 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm, struct cmsghdr *cmsg); int rds_cmsg_rdma_map(struct rds_sock *rs, struct rds_message *rm, struct cmsghdr *cmsg); -void rds_rdma_free_op(struct rds_rdma_op *ro); +void rds_rdma_free_op(struct rm_rdma_op *ro); void rds_atomic_free_op(struct rm_atomic_op *ao); void rds_rdma_send_complete(struct rds_message *rm, int wc_status); void rds_atomic_send_complete(struct rds_message *rm, int wc_status); diff --git a/net/rds/send.c b/net/rds/send.c index 42fb934..08df279 100644 --- a/net/rds/send.c +++ b/net/rds/send.c @@ -237,7 +237,7 @@ int rds_send_xmit(struct rds_connection *conn) * connection. * Therefore, we never retransmit messages with RDMA ops. */ - if (rm->rdma.m_rdma_op.r_active && + if (rm->rdma.op_active && test_bit(RDS_MSG_RETRANSMITTED, &rm->m_flags)) { spin_lock_irqsave(&conn->c_lock, flags); if (test_and_clear_bit(RDS_MSG_ON_CONN, &rm->m_flags)) @@ -280,8 +280,8 @@ int rds_send_xmit(struct rds_connection *conn) * keep this simple and require that the transport either * send the whole rdma or none of it. */ - if (rm->rdma.m_rdma_op.r_active && !conn->c_xmit_rdma_sent) { - ret = conn->c_trans->xmit_rdma(conn, &rm->rdma.m_rdma_op); + if (rm->rdma.op_active && !conn->c_xmit_rdma_sent) { + ret = conn->c_trans->xmit_rdma(conn, &rm->rdma); if (ret) break; conn->c_xmit_rdma_sent = 1; @@ -430,16 +430,16 @@ int rds_send_acked_before(struct rds_connection *conn, u64 seq) void rds_rdma_send_complete(struct rds_message *rm, int status) { struct rds_sock *rs = NULL; - struct rds_rdma_op *ro; + struct rm_rdma_op *ro; struct rds_notifier *notifier; unsigned long flags; spin_lock_irqsave(&rm->m_rs_lock, flags); - ro = &rm->rdma.m_rdma_op; + ro = &rm->rdma; if (test_bit(RDS_MSG_ON_SOCK, &rm->m_flags) && - ro->r_active && ro->r_notify && ro->r_notifier) { - notifier = ro->r_notifier; + ro->op_active && ro->op_notify && ro->op_notifier) { + notifier = ro->op_notifier; rs = rm->m_rs; sock_hold(rds_rs_to_sk(rs)); @@ -448,7 +448,7 @@ void rds_rdma_send_complete(struct rds_message *rm, int status) list_add_tail(¬ifier->n_list, &rs->rs_notify_queue); spin_unlock(&rs->rs_lock); - ro->r_notifier = NULL; + ro->op_notifier = NULL; } spin_unlock_irqrestore(&rm->m_rs_lock, flags); @@ -503,13 +503,13 @@ EXPORT_SYMBOL_GPL(rds_atomic_send_complete); static inline void __rds_rdma_send_complete(struct rds_sock *rs, struct rds_message *rm, int status) { - struct rds_rdma_op *ro; + struct rm_rdma_op *ro; - ro = &rm->rdma.m_rdma_op; - if (ro->r_active && ro->r_notify && ro->r_notifier) { - ro->r_notifier->n_status = status; - list_add_tail(&ro->r_notifier->n_list, &rs->rs_notify_queue); - ro->r_notifier = NULL; + ro = &rm->rdma; + if (ro->op_active && ro->op_notify && ro->op_notifier) { + ro->op_notifier->n_status = status; + list_add_tail(&ro->op_notifier->n_list, &rs->rs_notify_queue); + ro->op_notifier = NULL; } /* No need to wake the app - caller does this */ @@ -521,7 +521,7 @@ __rds_rdma_send_complete(struct rds_sock *rs, struct rds_message *rm, int status * So speed is not an issue here. */ struct rds_message *rds_send_get_message(struct rds_connection *conn, - struct rds_rdma_op *op) + struct rm_rdma_op *op) { struct rds_message *rm, *tmp, *found = NULL; unsigned long flags; @@ -529,7 +529,7 @@ struct rds_message *rds_send_get_message(struct rds_connection *conn, spin_lock_irqsave(&conn->c_lock, flags); list_for_each_entry_safe(rm, tmp, &conn->c_retrans, m_conn_item) { - if (&rm->rdma.m_rdma_op == op) { + if (&rm->rdma == op) { atomic_inc(&rm->m_refcount); found = rm; goto out; @@ -537,7 +537,7 @@ struct rds_message *rds_send_get_message(struct rds_connection *conn, } list_for_each_entry_safe(rm, tmp, &conn->c_send_queue, m_conn_item) { - if (&rm->rdma.m_rdma_op == op) { + if (&rm->rdma == op) { atomic_inc(&rm->m_refcount); found = rm; break; @@ -597,20 +597,20 @@ void rds_send_remove_from_sock(struct list_head *messages, int status) spin_lock(&rs->rs_lock); if (test_and_clear_bit(RDS_MSG_ON_SOCK, &rm->m_flags)) { - struct rds_rdma_op *ro = &rm->rdma.m_rdma_op; + struct rm_rdma_op *ro = &rm->rdma; struct rds_notifier *notifier; list_del_init(&rm->m_sock_item); rds_send_sndbuf_remove(rs, rm); - if (ro->r_active && ro->r_notifier && - (ro->r_notify || (ro->r_recverr && status))) { - notifier = ro->r_notifier; + if (ro->op_active && ro->op_notifier && + (ro->op_notify || (ro->op_recverr && status))) { + notifier = ro->op_notifier; list_add_tail(¬ifier->n_list, &rs->rs_notify_queue); if (!notifier->n_status) notifier->n_status = status; - rm->rdma.m_rdma_op.r_notifier = NULL; + rm->rdma.op_notifier = NULL; } was_on_sock = 1; rm->m_rs = NULL; @@ -987,11 +987,11 @@ int rds_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, if (ret) goto out; - if ((rm->m_rdma_cookie || rm->rdma.m_rdma_op.r_active) && - !conn->c_trans->xmit_rdma) { + if ((rm->m_rdma_cookie || rm->rdma.op_active) && + !conn->c_trans->xmit_rdma) { if (printk_ratelimit()) printk(KERN_NOTICE "rdma_op %p conn xmit_rdma %p\n", - &rm->rdma.m_rdma_op, conn->c_trans->xmit_rdma); + &rm->rdma, conn->c_trans->xmit_rdma); ret = -EOPNOTSUPP; goto out; } |
