diff options
Diffstat (limited to 'drivers/infiniband/ulp')
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_netlink.c | 1 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_vlan.c | 1 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/iser/iscsi_iser.h | 13 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/iser/iser_initiator.c | 58 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/iser/iser_memory.c | 69 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/iser/iser_verbs.c | 3 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/opa_vnic/opa_vnic_netdev.c | 1 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c | 3 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/rtrs/rtrs-clt.c | 81 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/rtrs/rtrs-clt.h | 1 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/rtrs/rtrs.c | 1 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/srp/ib_srp.c | 6 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/srp/ib_srp.h | 11 |
13 files changed, 121 insertions, 128 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_netlink.c b/drivers/infiniband/ulp/ipoib/ipoib_netlink.c index 5b05cf3837da..ea16ba5d8da6 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_netlink.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_netlink.c @@ -32,7 +32,6 @@ #include <linux/netdevice.h> #include <linux/if_arp.h> /* For ARPHRD_xxx */ -#include <linux/module.h> #include <net/rtnetlink.h> #include "ipoib.h" diff --git a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c index 0322dc75396f..4bd161e86f8d 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c @@ -30,7 +30,6 @@ * SOFTWARE. */ -#include <linux/module.h> #include <linux/sched/signal.h> #include <linux/init.h> diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h index 20af46c4e954..7e4faf9c5e9e 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.h +++ b/drivers/infiniband/ulp/iser/iscsi_iser.h @@ -203,12 +203,12 @@ struct iser_reg_resources; * * @sge: memory region sg element * @rkey: memory region remote key - * @mem_h: pointer to registration context (FMR/Fastreg) + * @desc: pointer to fast registration context */ struct iser_mem_reg { - struct ib_sge sge; - u32 rkey; - void *mem_h; + struct ib_sge sge; + u32 rkey; + struct iser_fr_desc *desc; }; enum iser_desc_type { @@ -531,13 +531,12 @@ int iser_post_recvm(struct iser_conn *iser_conn, int iser_post_send(struct ib_conn *ib_conn, struct iser_tx_desc *tx_desc); int iser_dma_map_task_data(struct iscsi_iser_task *iser_task, - struct iser_data_buf *data, enum iser_data_dir iser_dir, enum dma_data_direction dma_dir); void iser_dma_unmap_task_data(struct iscsi_iser_task *iser_task, - struct iser_data_buf *data, - enum dma_data_direction dir); + enum iser_data_dir iser_dir, + enum dma_data_direction dma_dir); int iser_initialize_task_headers(struct iscsi_task *task, struct iser_tx_desc *tx_desc); diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c index 2490150d3085..bd5f3b5e1727 100644 --- a/drivers/infiniband/ulp/iser/iser_initiator.c +++ b/drivers/infiniband/ulp/iser/iser_initiator.c @@ -52,30 +52,17 @@ static int iser_prepare_read_cmd(struct iscsi_task *task) struct iser_mem_reg *mem_reg; int err; struct iser_ctrl *hdr = &iser_task->desc.iser_header; - struct iser_data_buf *buf_in = &iser_task->data[ISER_DIR_IN]; err = iser_dma_map_task_data(iser_task, - buf_in, ISER_DIR_IN, DMA_FROM_DEVICE); if (err) return err; - if (scsi_prot_sg_count(iser_task->sc)) { - struct iser_data_buf *pbuf_in = &iser_task->prot[ISER_DIR_IN]; - - err = iser_dma_map_task_data(iser_task, - pbuf_in, - ISER_DIR_IN, - DMA_FROM_DEVICE); - if (err) - return err; - } - err = iser_reg_mem_fastreg(iser_task, ISER_DIR_IN, false); if (err) { iser_err("Failed to set up Data-IN RDMA\n"); - return err; + goto out_err; } mem_reg = &iser_task->rdma_reg[ISER_DIR_IN]; @@ -88,6 +75,10 @@ static int iser_prepare_read_cmd(struct iscsi_task *task) (unsigned long long)mem_reg->sge.addr); return 0; + +out_err: + iser_dma_unmap_task_data(iser_task, ISER_DIR_IN, DMA_FROM_DEVICE); + return err; } /* Register user buffer memory and initialize passive rdma @@ -106,28 +97,16 @@ static int iser_prepare_write_cmd(struct iscsi_task *task, unsigned int imm_sz, struct ib_sge *tx_dsg = &iser_task->desc.tx_sg[1]; err = iser_dma_map_task_data(iser_task, - buf_out, ISER_DIR_OUT, DMA_TO_DEVICE); if (err) return err; - if (scsi_prot_sg_count(iser_task->sc)) { - struct iser_data_buf *pbuf_out = &iser_task->prot[ISER_DIR_OUT]; - - err = iser_dma_map_task_data(iser_task, - pbuf_out, - ISER_DIR_OUT, - DMA_TO_DEVICE); - if (err) - return err; - } - err = iser_reg_mem_fastreg(iser_task, ISER_DIR_OUT, buf_out->data_len == imm_sz); - if (err != 0) { + if (err) { iser_err("Failed to register write cmd RDMA mem\n"); - return err; + goto out_err; } mem_reg = &iser_task->rdma_reg[ISER_DIR_OUT]; @@ -154,6 +133,10 @@ static int iser_prepare_write_cmd(struct iscsi_task *task, unsigned int imm_sz, } return 0; + +out_err: + iser_dma_unmap_task_data(iser_task, ISER_DIR_OUT, DMA_TO_DEVICE); + return err; } /* creates a new tx descriptor and adds header regd buffer */ @@ -619,13 +602,13 @@ static int iser_check_remote_inv(struct iser_conn *iser_conn, struct ib_wc *wc, struct iser_fr_desc *desc; if (iser_task->dir[ISER_DIR_IN]) { - desc = iser_task->rdma_reg[ISER_DIR_IN].mem_h; + desc = iser_task->rdma_reg[ISER_DIR_IN].desc; if (unlikely(iser_inv_desc(desc, rkey))) return -EINVAL; } if (iser_task->dir[ISER_DIR_OUT]) { - desc = iser_task->rdma_reg[ISER_DIR_OUT].mem_h; + desc = iser_task->rdma_reg[ISER_DIR_OUT].desc; if (unlikely(iser_inv_desc(desc, rkey))) return -EINVAL; } @@ -740,27 +723,16 @@ void iser_task_rdma_init(struct iscsi_iser_task *iser_task) void iser_task_rdma_finalize(struct iscsi_iser_task *iser_task) { - int prot_count = scsi_prot_sg_count(iser_task->sc); if (iser_task->dir[ISER_DIR_IN]) { iser_unreg_mem_fastreg(iser_task, ISER_DIR_IN); - iser_dma_unmap_task_data(iser_task, - &iser_task->data[ISER_DIR_IN], + iser_dma_unmap_task_data(iser_task, ISER_DIR_IN, DMA_FROM_DEVICE); - if (prot_count) - iser_dma_unmap_task_data(iser_task, - &iser_task->prot[ISER_DIR_IN], - DMA_FROM_DEVICE); } if (iser_task->dir[ISER_DIR_OUT]) { iser_unreg_mem_fastreg(iser_task, ISER_DIR_OUT); - iser_dma_unmap_task_data(iser_task, - &iser_task->data[ISER_DIR_OUT], + iser_dma_unmap_task_data(iser_task, ISER_DIR_OUT, DMA_TO_DEVICE); - if (prot_count) - iser_dma_unmap_task_data(iser_task, - &iser_task->prot[ISER_DIR_OUT], - DMA_TO_DEVICE); } } diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c index 660982625488..29ae2c6a250a 100644 --- a/drivers/infiniband/ulp/iser/iser_memory.c +++ b/drivers/infiniband/ulp/iser/iser_memory.c @@ -30,7 +30,6 @@ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ -#include <linux/module.h> #include <linux/kernel.h> #include <linux/slab.h> #include <linux/mm.h> @@ -71,10 +70,10 @@ static void iser_reg_desc_put_fr(struct ib_conn *ib_conn, } int iser_dma_map_task_data(struct iscsi_iser_task *iser_task, - struct iser_data_buf *data, enum iser_data_dir iser_dir, enum dma_data_direction dma_dir) { + struct iser_data_buf *data = &iser_task->data[iser_dir]; struct ib_device *dev; iser_task->dir[iser_dir] = 1; @@ -85,17 +84,40 @@ int iser_dma_map_task_data(struct iscsi_iser_task *iser_task, iser_err("dma_map_sg failed!!!\n"); return -EINVAL; } + + if (scsi_prot_sg_count(iser_task->sc)) { + struct iser_data_buf *pdata = &iser_task->prot[iser_dir]; + + pdata->dma_nents = ib_dma_map_sg(dev, pdata->sg, pdata->size, dma_dir); + if (unlikely(pdata->dma_nents == 0)) { + iser_err("protection dma_map_sg failed!!!\n"); + goto out_unmap; + } + } + return 0; + +out_unmap: + ib_dma_unmap_sg(dev, data->sg, data->size, dma_dir); + return -EINVAL; } + void iser_dma_unmap_task_data(struct iscsi_iser_task *iser_task, - struct iser_data_buf *data, - enum dma_data_direction dir) + enum iser_data_dir iser_dir, + enum dma_data_direction dma_dir) { + struct iser_data_buf *data = &iser_task->data[iser_dir]; struct ib_device *dev; dev = iser_task->iser_conn->ib_conn.device->ib_device; - ib_dma_unmap_sg(dev, data->sg, data->size, dir); + ib_dma_unmap_sg(dev, data->sg, data->size, dma_dir); + + if (scsi_prot_sg_count(iser_task->sc)) { + struct iser_data_buf *pdata = &iser_task->prot[iser_dir]; + + ib_dma_unmap_sg(dev, pdata->sg, pdata->size, dma_dir); + } } static int iser_reg_dma(struct iser_device *device, struct iser_data_buf *mem, @@ -130,7 +152,7 @@ void iser_unreg_mem_fastreg(struct iscsi_iser_task *iser_task, struct iser_fr_desc *desc; struct ib_mr_status mr_status; - desc = reg->mem_h; + desc = reg->desc; if (!desc) return; @@ -147,8 +169,8 @@ void iser_unreg_mem_fastreg(struct iscsi_iser_task *iser_task, ib_check_mr_status(desc->rsc.sig_mr, IB_MR_CHECK_SIG_STATUS, &mr_status); } - iser_reg_desc_put_fr(&iser_task->iser_conn->ib_conn, reg->mem_h); - reg->mem_h = NULL; + iser_reg_desc_put_fr(&iser_task->iser_conn->ib_conn, reg->desc); + reg->desc = NULL; } static void iser_set_dif_domain(struct scsi_cmnd *sc, @@ -327,40 +349,26 @@ static int iser_fast_reg_mr(struct iscsi_iser_task *iser_task, return 0; } -static int iser_reg_data_sg(struct iscsi_iser_task *task, - struct iser_data_buf *mem, - struct iser_fr_desc *desc, bool use_dma_key, - struct iser_mem_reg *reg) -{ - struct iser_device *device = task->iser_conn->ib_conn.device; - - if (use_dma_key) - return iser_reg_dma(device, mem, reg); - - return iser_fast_reg_mr(task, mem, &desc->rsc, reg); -} - int iser_reg_mem_fastreg(struct iscsi_iser_task *task, enum iser_data_dir dir, bool all_imm) { struct ib_conn *ib_conn = &task->iser_conn->ib_conn; + struct iser_device *device = ib_conn->device; struct iser_data_buf *mem = &task->data[dir]; struct iser_mem_reg *reg = &task->rdma_reg[dir]; - struct iser_fr_desc *desc = NULL; + struct iser_fr_desc *desc; bool use_dma_key; int err; use_dma_key = mem->dma_nents == 1 && (all_imm || !iser_always_reg) && scsi_get_prot_op(task->sc) == SCSI_PROT_NORMAL; + if (use_dma_key) + return iser_reg_dma(device, mem, reg); - if (!use_dma_key) { - desc = iser_reg_desc_get_fr(ib_conn); - reg->mem_h = desc; - } - + desc = iser_reg_desc_get_fr(ib_conn); if (scsi_get_prot_op(task->sc) == SCSI_PROT_NORMAL) { - err = iser_reg_data_sg(task, mem, desc, use_dma_key, reg); + err = iser_fast_reg_mr(task, mem, &desc->rsc, reg); if (unlikely(err)) goto err_reg; } else { @@ -372,11 +380,12 @@ int iser_reg_mem_fastreg(struct iscsi_iser_task *task, desc->sig_protected = true; } + reg->desc = desc; + return 0; err_reg: - if (desc) - iser_reg_desc_put_fr(ib_conn, desc); + iser_reg_desc_put_fr(ib_conn, desc); return err; } diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index 8bf87b073d9b..5dbad68c7390 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -32,7 +32,6 @@ * SOFTWARE. */ #include <linux/kernel.h> -#include <linux/module.h> #include <linux/slab.h> #include <linux/delay.h> @@ -905,7 +904,7 @@ u8 iser_check_task_pi_status(struct iscsi_iser_task *iser_task, enum iser_data_dir cmd_dir, sector_t *sector) { struct iser_mem_reg *reg = &iser_task->rdma_reg[cmd_dir]; - struct iser_fr_desc *desc = reg->mem_h; + struct iser_fr_desc *desc = reg->desc; unsigned long sector_size = iser_task->sc->device->sector_size; struct ib_mr_status mr_status; int ret; diff --git a/drivers/infiniband/ulp/opa_vnic/opa_vnic_netdev.c b/drivers/infiniband/ulp/opa_vnic/opa_vnic_netdev.c index aeff68f582d3..071f35711468 100644 --- a/drivers/infiniband/ulp/opa_vnic/opa_vnic_netdev.c +++ b/drivers/infiniband/ulp/opa_vnic/opa_vnic_netdev.c @@ -50,7 +50,6 @@ * netdev functionality. */ -#include <linux/module.h> #include <linux/if_vlan.h> #include <linux/crc32.h> diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c b/drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c index b4fa473b7888..d3c436ead694 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c @@ -156,8 +156,7 @@ static DEVICE_ATTR_RW(mpath_policy); static ssize_t add_path_show(struct device *dev, struct device_attribute *attr, char *page) { - return sysfs_emit( - page, + return sysfs_emit(page, "Usage: echo [<source addr>@]<destination addr> > %s\n\n*addr ::= [ ip:<ipv4|ipv6> | gid:<gid> ]\n", attr->attr.name); } diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c index 7c3f98e57889..c2c860d0c56e 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c @@ -297,6 +297,7 @@ static bool rtrs_clt_change_state_from_to(struct rtrs_clt_path *clt_path, return changed; } +static void rtrs_clt_stop_and_destroy_conns(struct rtrs_clt_path *clt_path); static void rtrs_rdma_error_recovery(struct rtrs_clt_con *con) { struct rtrs_clt_path *clt_path = to_clt_path(con->c.path); @@ -304,16 +305,7 @@ static void rtrs_rdma_error_recovery(struct rtrs_clt_con *con) if (rtrs_clt_change_state_from_to(clt_path, RTRS_CLT_CONNECTED, RTRS_CLT_RECONNECTING)) { - struct rtrs_clt_sess *clt = clt_path->clt; - unsigned int delay_ms; - - /* - * Normal scenario, reconnect if we were successfully connected - */ - delay_ms = clt->reconnect_delay_sec * 1000; - queue_delayed_work(rtrs_wq, &clt_path->reconnect_dwork, - msecs_to_jiffies(delay_ms + - prandom_u32() % RTRS_RECONNECT_SEED)); + queue_work(rtrs_wq, &clt_path->err_recovery_work); } else { /* * Error can happen just on establishing new connection, @@ -917,7 +909,7 @@ static inline void path_it_deinit(struct path_it *it) { struct list_head *skip, *tmp; /* - * The skip_list is used only for the MIN_INFLIGHT policy. + * The skip_list is used only for the MIN_INFLIGHT and MIN_LATENCY policies. * We need to remove paths from it, so that next IO can insert * paths (->mp_skip_entry) into a skip_list again. */ @@ -1511,6 +1503,22 @@ static void rtrs_clt_init_hb(struct rtrs_clt_path *clt_path) static void rtrs_clt_reconnect_work(struct work_struct *work); static void rtrs_clt_close_work(struct work_struct *work); +static void rtrs_clt_err_recovery_work(struct work_struct *work) +{ + struct rtrs_clt_path *clt_path; + struct rtrs_clt_sess *clt; + int delay_ms; + + clt_path = container_of(work, struct rtrs_clt_path, err_recovery_work); + clt = clt_path->clt; + delay_ms = clt->reconnect_delay_sec * 1000; + rtrs_clt_stop_and_destroy_conns(clt_path); + queue_delayed_work(rtrs_wq, &clt_path->reconnect_dwork, + msecs_to_jiffies(delay_ms + + prandom_u32() % + RTRS_RECONNECT_SEED)); +} + static struct rtrs_clt_path *alloc_path(struct rtrs_clt_sess *clt, const struct rtrs_addr *path, size_t con_num, u32 nr_poll_queues) @@ -1562,6 +1570,7 @@ static struct rtrs_clt_path *alloc_path(struct rtrs_clt_sess *clt, clt_path->state = RTRS_CLT_CONNECTING; atomic_set(&clt_path->connected_cnt, 0); INIT_WORK(&clt_path->close_work, rtrs_clt_close_work); + INIT_WORK(&clt_path->err_recovery_work, rtrs_clt_err_recovery_work); INIT_DELAYED_WORK(&clt_path->reconnect_dwork, rtrs_clt_reconnect_work); rtrs_clt_init_hb(clt_path); @@ -2326,6 +2335,7 @@ static void rtrs_clt_close_work(struct work_struct *work) clt_path = container_of(work, struct rtrs_clt_path, close_work); + cancel_work_sync(&clt_path->err_recovery_work); cancel_delayed_work_sync(&clt_path->reconnect_dwork); rtrs_clt_stop_and_destroy_conns(clt_path); rtrs_clt_change_state_get_old(clt_path, RTRS_CLT_CLOSED, NULL); @@ -2638,7 +2648,6 @@ static void rtrs_clt_reconnect_work(struct work_struct *work) { struct rtrs_clt_path *clt_path; struct rtrs_clt_sess *clt; - unsigned int delay_ms; int err; clt_path = container_of(to_delayed_work(work), struct rtrs_clt_path, @@ -2655,8 +2664,6 @@ static void rtrs_clt_reconnect_work(struct work_struct *work) } clt_path->reconnect_attempts++; - /* Stop everything */ - rtrs_clt_stop_and_destroy_conns(clt_path); msleep(RTRS_RECONNECT_BACKOFF); if (rtrs_clt_change_state_get_old(clt_path, RTRS_CLT_CONNECTING, NULL)) { err = init_path(clt_path); @@ -2669,11 +2676,7 @@ static void rtrs_clt_reconnect_work(struct work_struct *work) reconnect_again: if (rtrs_clt_change_state_get_old(clt_path, RTRS_CLT_RECONNECTING, NULL)) { clt_path->stats->reconnects.fail_cnt++; - delay_ms = clt->reconnect_delay_sec * 1000; - queue_delayed_work(rtrs_wq, &clt_path->reconnect_dwork, - msecs_to_jiffies(delay_ms + - prandom_u32() % - RTRS_RECONNECT_SEED)); + queue_work(rtrs_wq, &clt_path->err_recovery_work); } } @@ -2682,6 +2685,8 @@ static void rtrs_clt_dev_release(struct device *dev) struct rtrs_clt_sess *clt = container_of(dev, struct rtrs_clt_sess, dev); + mutex_destroy(&clt->paths_ev_mutex); + mutex_destroy(&clt->paths_mutex); kfree(clt); } @@ -2711,6 +2716,8 @@ static struct rtrs_clt_sess *alloc_clt(const char *sessname, size_t paths_num, return ERR_PTR(-ENOMEM); } + clt->dev.class = rtrs_clt_dev_class; + clt->dev.release = rtrs_clt_dev_release; uuid_gen(&clt->paths_uuid); INIT_LIST_HEAD_RCU(&clt->paths_list); clt->paths_num = paths_num; @@ -2727,53 +2734,51 @@ static struct rtrs_clt_sess *alloc_clt(const char *sessname, size_t paths_num, init_waitqueue_head(&clt->permits_wait); mutex_init(&clt->paths_ev_mutex); mutex_init(&clt->paths_mutex); + device_initialize(&clt->dev); - clt->dev.class = rtrs_clt_dev_class; - clt->dev.release = rtrs_clt_dev_release; err = dev_set_name(&clt->dev, "%s", sessname); if (err) - goto err; + goto err_put; + /* * Suppress user space notification until * sysfs files are created */ dev_set_uevent_suppress(&clt->dev, true); - err = device_register(&clt->dev); - if (err) { - put_device(&clt->dev); - goto err; - } + err = device_add(&clt->dev); + if (err) + goto err_put; clt->kobj_paths = kobject_create_and_add("paths", &clt->dev.kobj); if (!clt->kobj_paths) { err = -ENOMEM; - goto err_dev; + goto err_del; } err = rtrs_clt_create_sysfs_root_files(clt); if (err) { kobject_del(clt->kobj_paths); kobject_put(clt->kobj_paths); - goto err_dev; + goto err_del; } dev_set_uevent_suppress(&clt->dev, false); kobject_uevent(&clt->dev.kobj, KOBJ_ADD); return clt; -err_dev: - device_unregister(&clt->dev); -err: +err_del: + device_del(&clt->dev); +err_put: free_percpu(clt->pcpu_path); - kfree(clt); + put_device(&clt->dev); return ERR_PTR(err); } static void free_clt(struct rtrs_clt_sess *clt) { - free_permits(clt); free_percpu(clt->pcpu_path); - mutex_destroy(&clt->paths_ev_mutex); - mutex_destroy(&clt->paths_mutex); - /* release callback will free clt in last put */ + + /* + * release callback will free clt and destroy mutexes in last put + */ device_unregister(&clt->dev); } @@ -2890,6 +2895,7 @@ void rtrs_clt_close(struct rtrs_clt_sess *clt) rtrs_clt_destroy_path_files(clt_path, NULL); kobject_put(&clt_path->kobj); } + free_permits(clt); free_clt(clt); } EXPORT_SYMBOL(rtrs_clt_close); @@ -2905,6 +2911,7 @@ int rtrs_clt_reconnect_from_sysfs(struct rtrs_clt_path *clt_path) &old_state); if (changed) { clt_path->reconnect_attempts = 0; + rtrs_clt_stop_and_destroy_conns(clt_path); queue_delayed_work(rtrs_wq, &clt_path->reconnect_dwork, 0); } if (changed || old_state == RTRS_CLT_RECONNECTING) { diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.h b/drivers/infiniband/ulp/rtrs/rtrs-clt.h index d1b18a154ae0..f848c0392d98 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-clt.h +++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.h @@ -134,6 +134,7 @@ struct rtrs_clt_path { struct rtrs_clt_io_req *reqs; struct delayed_work reconnect_dwork; struct work_struct close_work; + struct work_struct err_recovery_work; unsigned int reconnect_attempts; bool established; struct rtrs_rbuf *rbufs; diff --git a/drivers/infiniband/ulp/rtrs/rtrs.c b/drivers/infiniband/ulp/rtrs/rtrs.c index 4da889103a5f..60fa0b0160f4 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs.c +++ b/drivers/infiniband/ulp/rtrs/rtrs.c @@ -479,7 +479,6 @@ static int rtrs_str_to_sockaddr(const char *addr, size_t len, */ int sockaddr_to_str(const struct sockaddr *addr, char *buf, size_t len) { - switch (addr->sa_family) { case AF_IB: return scnprintf(buf, len, "gid:%pI6", diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index e174e853f8a4..285b766e4e70 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -4047,9 +4047,11 @@ static void srp_remove_one(struct ib_device *device, void *client_data) spin_unlock(&host->target_lock); /* - * Wait for tl_err and target port removal tasks. + * srp_queue_remove_work() queues a call to + * srp_remove_target(). The latter function cancels + * target->tl_err_work so waiting for the remove works to + * finish is sufficient. */ - flush_workqueue(system_long_wq); flush_workqueue(srp_remove_wq); kfree(host); diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h index abccddeea1e3..55a575e2cace 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.h +++ b/drivers/infiniband/ulp/srp/ib_srp.h @@ -92,6 +92,9 @@ enum srp_iu_type { }; /* + * RDMA adapter in the initiator system. + * + * @dev_list: List of RDMA ports associated with this RDMA adapter (srp_host). * @mr_page_mask: HCA memory registration page mask. * @mr_page_size: HCA memory registration page size. * @mr_max_size: Maximum size in bytes of a single FR registration request. @@ -109,6 +112,12 @@ struct srp_device { bool use_fast_reg; }; +/* + * One port of an RDMA adapter in the initiator system. + * + * @target_list: List of connected target ports (struct srp_target_port). + * @target_lock: Protects @target_list. + */ struct srp_host { struct srp_device *srp_dev; u8 port; @@ -183,7 +192,7 @@ struct srp_rdma_ch { }; /** - * struct srp_target_port + * struct srp_target_port - RDMA port in the SRP target system * @comp_vector: Completion vector used by the first RDMA channel created for * this target port. */ |