diff options
Diffstat (limited to 'drivers/infiniband/ulp/srp/ib_srp.c')
-rw-r--r-- | drivers/infiniband/ulp/srp/ib_srp.c | 181 |
1 files changed, 97 insertions, 84 deletions
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 125765aa9d59..435145709dd6 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -139,8 +139,9 @@ static struct srp_iu *srp_alloc_iu(struct srp_host *host, size_t size, if (!iu->buf) goto out_free_iu; - iu->dma = ib_dma_map_single(host->dev->dev, iu->buf, size, direction); - if (ib_dma_mapping_error(host->dev->dev, iu->dma)) + iu->dma = ib_dma_map_single(host->srp_dev->dev, iu->buf, size, + direction); + if (ib_dma_mapping_error(host->srp_dev->dev, iu->dma)) goto out_free_buf; iu->size = size; @@ -161,7 +162,8 @@ static void srp_free_iu(struct srp_host *host, struct srp_iu *iu) if (!iu) return; - ib_dma_unmap_single(host->dev->dev, iu->dma, iu->size, iu->direction); + ib_dma_unmap_single(host->srp_dev->dev, iu->dma, iu->size, + iu->direction); kfree(iu->buf); kfree(iu); } @@ -181,7 +183,7 @@ static int srp_init_qp(struct srp_target_port *target, if (!attr) return -ENOMEM; - ret = ib_find_cached_pkey(target->srp_host->dev->dev, + ret = ib_find_cached_pkey(target->srp_host->srp_dev->dev, target->srp_host->port, be16_to_cpu(target->path.pkey), &attr->pkey_index); @@ -208,7 +210,7 @@ static int srp_new_cm_id(struct srp_target_port *target) { struct ib_cm_id *new_cm_id; - new_cm_id = ib_create_cm_id(target->srp_host->dev->dev, + new_cm_id = ib_create_cm_id(target->srp_host->srp_dev->dev, srp_cm_handler, target); if (IS_ERR(new_cm_id)) return PTR_ERR(new_cm_id); @@ -229,8 +231,8 @@ static int srp_create_target_ib(struct srp_target_port *target) if (!init_attr) return -ENOMEM; - target->cq = ib_create_cq(target->srp_host->dev->dev, srp_completion, - NULL, target, SRP_CQ_SIZE, 0); + target->cq = ib_create_cq(target->srp_host->srp_dev->dev, + srp_completion, NULL, target, SRP_CQ_SIZE, 0); if (IS_ERR(target->cq)) { ret = PTR_ERR(target->cq); goto out; @@ -248,7 +250,7 @@ static int srp_create_target_ib(struct srp_target_port *target) init_attr->send_cq = target->cq; init_attr->recv_cq = target->cq; - target->qp = ib_create_qp(target->srp_host->dev->pd, init_attr); + target->qp = ib_create_qp(target->srp_host->srp_dev->pd, init_attr); if (IS_ERR(target->qp)) { ret = PTR_ERR(target->qp); ib_destroy_cq(target->cq); @@ -302,7 +304,7 @@ static int srp_lookup_path(struct srp_target_port *target) init_completion(&target->done); target->path_query_id = ib_sa_path_rec_get(&srp_sa_client, - target->srp_host->dev->dev, + target->srp_host->srp_dev->dev, target->srp_host->port, &target->path, IB_SA_PATH_REC_SERVICE_ID | @@ -403,7 +405,7 @@ static int srp_send_req(struct srp_target_port *target) (unsigned long long) be64_to_cpu(target->ioc_guid)); memset(req->priv.initiator_port_id, 0, 8); memcpy(req->priv.initiator_port_id + 8, - &target->srp_host->dev->dev->node_guid, 8); + &target->srp_host->srp_dev->dev->node_guid, 8); } status = ib_send_cm_req(target->cm_id, &req->param); @@ -520,7 +522,7 @@ static void srp_unmap_data(struct scsi_cmnd *scmnd, req->fmr = NULL; } - ib_dma_unmap_sg(target->srp_host->dev->dev, scsi_sglist(scmnd), + ib_dma_unmap_sg(target->srp_host->srp_dev->dev, scsi_sglist(scmnd), scsi_sg_count(scmnd), scmnd->sc_data_direction); } @@ -628,7 +630,7 @@ static int srp_map_fmr(struct srp_target_port *target, struct scatterlist *scat, int page_cnt; int i, j; int ret; - struct srp_device *dev = target->srp_host->dev; + struct srp_device *dev = target->srp_host->srp_dev; struct ib_device *ibdev = dev->dev; struct scatterlist *sg; @@ -723,7 +725,7 @@ static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_target_port *target, nents = scsi_sg_count(scmnd); scat = scsi_sglist(scmnd); - dev = target->srp_host->dev; + dev = target->srp_host->srp_dev; ibdev = dev->dev; count = ib_dma_map_sg(ibdev, scat, nents, scmnd->sc_data_direction); @@ -779,7 +781,7 @@ static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_target_port *target, buf->table_desc.va = cpu_to_be64(req->cmd->dma + sizeof *cmd + sizeof *buf); buf->table_desc.key = - cpu_to_be32(target->srp_host->dev->mr->rkey); + cpu_to_be32(target->srp_host->srp_dev->mr->rkey); buf->table_desc.len = cpu_to_be32(count * sizeof (struct srp_direct_buf)); @@ -855,7 +857,7 @@ static void srp_handle_recv(struct srp_target_port *target, struct ib_wc *wc) iu = target->rx_ring[wc->wr_id & ~SRP_OP_RECV]; - dev = target->srp_host->dev->dev; + dev = target->srp_host->srp_dev->dev; ib_dma_sync_single_for_cpu(dev, iu->dma, target->max_ti_iu_len, DMA_FROM_DEVICE); @@ -937,7 +939,7 @@ static int __srp_post_recv(struct srp_target_port *target) list.addr = iu->dma; list.length = iu->size; - list.lkey = target->srp_host->dev->mr->lkey; + list.lkey = target->srp_host->srp_dev->mr->lkey; wr.next = NULL; wr.sg_list = &list; @@ -996,7 +998,7 @@ static int __srp_post_send(struct srp_target_port *target, list.addr = iu->dma; list.length = len; - list.lkey = target->srp_host->dev->mr->lkey; + list.lkey = target->srp_host->srp_dev->mr->lkey; wr.next = NULL; wr.wr_id = target->tx_head & SRP_SQ_SIZE; @@ -1039,7 +1041,7 @@ static int srp_queuecommand(struct scsi_cmnd *scmnd, if (!iu) goto err; - dev = target->srp_host->dev->dev; + dev = target->srp_host->srp_dev->dev; ib_dma_sync_single_for_cpu(dev, iu->dma, srp_max_iu_len, DMA_TO_DEVICE); @@ -1456,9 +1458,10 @@ static int srp_reset_host(struct scsi_cmnd *scmnd) return ret; } -static ssize_t show_id_ext(struct class_device *cdev, char *buf) +static ssize_t show_id_ext(struct device *dev, struct device_attribute *attr, + char *buf) { - struct srp_target_port *target = host_to_target(class_to_shost(cdev)); + struct srp_target_port *target = host_to_target(class_to_shost(dev)); if (target->state == SRP_TARGET_DEAD || target->state == SRP_TARGET_REMOVED) @@ -1468,9 +1471,10 @@ static ssize_t show_id_ext(struct class_device *cdev, char *buf) (unsigned long long) be64_to_cpu(target->id_ext)); } -static ssize_t show_ioc_guid(struct class_device *cdev, char *buf) +static ssize_t show_ioc_guid(struct device *dev, struct device_attribute *attr, + char *buf) { - struct srp_target_port *target = host_to_target(class_to_shost(cdev)); + struct srp_target_port *target = host_to_target(class_to_shost(dev)); if (target->state == SRP_TARGET_DEAD || target->state == SRP_TARGET_REMOVED) @@ -1480,9 +1484,10 @@ static ssize_t show_ioc_guid(struct class_device *cdev, char *buf) (unsigned long long) be64_to_cpu(target->ioc_guid)); } -static ssize_t show_service_id(struct class_device *cdev, char *buf) +static ssize_t show_service_id(struct device *dev, + struct device_attribute *attr, char *buf) { - struct srp_target_port *target = host_to_target(class_to_shost(cdev)); + struct srp_target_port *target = host_to_target(class_to_shost(dev)); if (target->state == SRP_TARGET_DEAD || target->state == SRP_TARGET_REMOVED) @@ -1492,9 +1497,10 @@ static ssize_t show_service_id(struct class_device *cdev, char *buf) (unsigned long long) be64_to_cpu(target->service_id)); } -static ssize_t show_pkey(struct class_device *cdev, char *buf) +static ssize_t show_pkey(struct device *dev, struct device_attribute *attr, + char *buf) { - struct srp_target_port *target = host_to_target(class_to_shost(cdev)); + struct srp_target_port *target = host_to_target(class_to_shost(dev)); if (target->state == SRP_TARGET_DEAD || target->state == SRP_TARGET_REMOVED) @@ -1503,9 +1509,10 @@ static ssize_t show_pkey(struct class_device *cdev, char *buf) return sprintf(buf, "0x%04x\n", be16_to_cpu(target->path.pkey)); } -static ssize_t show_dgid(struct class_device *cdev, char *buf) +static ssize_t show_dgid(struct device *dev, struct device_attribute *attr, + char *buf) { - struct srp_target_port *target = host_to_target(class_to_shost(cdev)); + struct srp_target_port *target = host_to_target(class_to_shost(dev)); if (target->state == SRP_TARGET_DEAD || target->state == SRP_TARGET_REMOVED) @@ -1522,9 +1529,10 @@ static ssize_t show_dgid(struct class_device *cdev, char *buf) be16_to_cpu(((__be16 *) target->path.dgid.raw)[7])); } -static ssize_t show_orig_dgid(struct class_device *cdev, char *buf) +static ssize_t show_orig_dgid(struct device *dev, + struct device_attribute *attr, char *buf) { - struct srp_target_port *target = host_to_target(class_to_shost(cdev)); + struct srp_target_port *target = host_to_target(class_to_shost(dev)); if (target->state == SRP_TARGET_DEAD || target->state == SRP_TARGET_REMOVED) @@ -1541,9 +1549,10 @@ static ssize_t show_orig_dgid(struct class_device *cdev, char *buf) be16_to_cpu(target->orig_dgid[7])); } -static ssize_t show_zero_req_lim(struct class_device *cdev, char *buf) +static ssize_t show_zero_req_lim(struct device *dev, + struct device_attribute *attr, char *buf) { - struct srp_target_port *target = host_to_target(class_to_shost(cdev)); + struct srp_target_port *target = host_to_target(class_to_shost(dev)); if (target->state == SRP_TARGET_DEAD || target->state == SRP_TARGET_REMOVED) @@ -1552,40 +1561,42 @@ static ssize_t show_zero_req_lim(struct class_device *cdev, char *buf) return sprintf(buf, "%d\n", target->zero_req_lim); } -static ssize_t show_local_ib_port(struct class_device *cdev, char *buf) +static ssize_t show_local_ib_port(struct device *dev, + struct device_attribute *attr, char *buf) { - struct srp_target_port *target = host_to_target(class_to_shost(cdev)); + struct srp_target_port *target = host_to_target(class_to_shost(dev)); return sprintf(buf, "%d\n", target->srp_host->port); } -static ssize_t show_local_ib_device(struct class_device *cdev, char *buf) +static ssize_t show_local_ib_device(struct device *dev, + struct device_attribute *attr, char *buf) { - struct srp_target_port *target = host_to_target(class_to_shost(cdev)); + struct srp_target_port *target = host_to_target(class_to_shost(dev)); - return sprintf(buf, "%s\n", target->srp_host->dev->dev->name); + return sprintf(buf, "%s\n", target->srp_host->srp_dev->dev->name); } -static CLASS_DEVICE_ATTR(id_ext, S_IRUGO, show_id_ext, NULL); -static CLASS_DEVICE_ATTR(ioc_guid, S_IRUGO, show_ioc_guid, NULL); -static CLASS_DEVICE_ATTR(service_id, S_IRUGO, show_service_id, NULL); -static CLASS_DEVICE_ATTR(pkey, S_IRUGO, show_pkey, NULL); -static CLASS_DEVICE_ATTR(dgid, S_IRUGO, show_dgid, NULL); -static CLASS_DEVICE_ATTR(orig_dgid, S_IRUGO, show_orig_dgid, NULL); -static CLASS_DEVICE_ATTR(zero_req_lim, S_IRUGO, show_zero_req_lim, NULL); -static CLASS_DEVICE_ATTR(local_ib_port, S_IRUGO, show_local_ib_port, NULL); -static CLASS_DEVICE_ATTR(local_ib_device, S_IRUGO, show_local_ib_device, NULL); - -static struct class_device_attribute *srp_host_attrs[] = { - &class_device_attr_id_ext, - &class_device_attr_ioc_guid, - &class_device_attr_service_id, - &class_device_attr_pkey, - &class_device_attr_dgid, - &class_device_attr_orig_dgid, - &class_device_attr_zero_req_lim, - &class_device_attr_local_ib_port, - &class_device_attr_local_ib_device, +static DEVICE_ATTR(id_ext, S_IRUGO, show_id_ext, NULL); +static DEVICE_ATTR(ioc_guid, S_IRUGO, show_ioc_guid, NULL); +static DEVICE_ATTR(service_id, S_IRUGO, show_service_id, NULL); +static DEVICE_ATTR(pkey, S_IRUGO, show_pkey, NULL); +static DEVICE_ATTR(dgid, S_IRUGO, show_dgid, NULL); +static DEVICE_ATTR(orig_dgid, S_IRUGO, show_orig_dgid, NULL); +static DEVICE_ATTR(zero_req_lim, S_IRUGO, show_zero_req_lim, NULL); +static DEVICE_ATTR(local_ib_port, S_IRUGO, show_local_ib_port, NULL); +static DEVICE_ATTR(local_ib_device, S_IRUGO, show_local_ib_device, NULL); + +static struct device_attribute *srp_host_attrs[] = { + &dev_attr_id_ext, + &dev_attr_ioc_guid, + &dev_attr_service_id, + &dev_attr_pkey, + &dev_attr_dgid, + &dev_attr_orig_dgid, + &dev_attr_zero_req_lim, + &dev_attr_local_ib_port, + &dev_attr_local_ib_device, NULL }; @@ -1613,7 +1624,7 @@ static int srp_add_target(struct srp_host *host, struct srp_target_port *target) sprintf(target->target_name, "SRP.T10:%016llX", (unsigned long long) be64_to_cpu(target->id_ext)); - if (scsi_add_host(target->scsi_host, host->dev->dev->dma_device)) + if (scsi_add_host(target->scsi_host, host->srp_dev->dev->dma_device)) return -ENODEV; memcpy(ids.port_id, &target->id_ext, 8); @@ -1637,17 +1648,17 @@ static int srp_add_target(struct srp_host *host, struct srp_target_port *target) return 0; } -static void srp_release_class_dev(struct class_device *class_dev) +static void srp_release_dev(struct device *dev) { struct srp_host *host = - container_of(class_dev, struct srp_host, class_dev); + container_of(dev, struct srp_host, dev); complete(&host->released); } static struct class srp_class = { .name = "infiniband_srp", - .release = srp_release_class_dev + .dev_release = srp_release_dev }; /* @@ -1835,11 +1846,12 @@ out: return ret; } -static ssize_t srp_create_target(struct class_device *class_dev, +static ssize_t srp_create_target(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) { struct srp_host *host = - container_of(class_dev, struct srp_host, class_dev); + container_of(dev, struct srp_host, dev); struct Scsi_Host *target_host; struct srp_target_port *target; int ret; @@ -1871,7 +1883,8 @@ static ssize_t srp_create_target(struct class_device *class_dev, if (ret) goto err; - ib_get_cached_gid(host->dev->dev, host->port, 0, &target->path.sgid); + ib_get_cached_gid(host->srp_dev->dev, host->port, 0, + &target->path.sgid); shost_printk(KERN_DEBUG, target->scsi_host, PFX "new target: id_ext %016llx ioc_guid %016llx pkey %04x " @@ -1926,27 +1939,27 @@ err: return ret; } -static CLASS_DEVICE_ATTR(add_target, S_IWUSR, NULL, srp_create_target); +static DEVICE_ATTR(add_target, S_IWUSR, NULL, srp_create_target); -static ssize_t show_ibdev(struct class_device *class_dev, char *buf) +static ssize_t show_ibdev(struct device *dev, struct device_attribute *attr, + char *buf) { - struct srp_host *host = - container_of(class_dev, struct srp_host, class_dev); + struct srp_host *host = container_of(dev, struct srp_host, dev); - return sprintf(buf, "%s\n", host->dev->dev->name); + return sprintf(buf, "%s\n", host->srp_dev->dev->name); } -static CLASS_DEVICE_ATTR(ibdev, S_IRUGO, show_ibdev, NULL); +static DEVICE_ATTR(ibdev, S_IRUGO, show_ibdev, NULL); -static ssize_t show_port(struct class_device *class_dev, char *buf) +static ssize_t show_port(struct device *dev, struct device_attribute *attr, + char *buf) { - struct srp_host *host = - container_of(class_dev, struct srp_host, class_dev); + struct srp_host *host = container_of(dev, struct srp_host, dev); return sprintf(buf, "%d\n", host->port); } -static CLASS_DEVICE_ATTR(port, S_IRUGO, show_port, NULL); +static DEVICE_ATTR(port, S_IRUGO, show_port, NULL); static struct srp_host *srp_add_port(struct srp_device *device, u8 port) { @@ -1959,27 +1972,27 @@ static struct srp_host *srp_add_port(struct srp_device *device, u8 port) INIT_LIST_HEAD(&host->target_list); spin_lock_init(&host->target_lock); init_completion(&host->released); - host->dev = device; + host->srp_dev = device; host->port = port; - host->class_dev.class = &srp_class; - host->class_dev.dev = device->dev->dma_device; - snprintf(host->class_dev.class_id, BUS_ID_SIZE, "srp-%s-%d", + host->dev.class = &srp_class; + host->dev.parent = device->dev->dma_device; + snprintf(host->dev.bus_id, BUS_ID_SIZE, "srp-%s-%d", device->dev->name, port); - if (class_device_register(&host->class_dev)) + if (device_register(&host->dev)) goto free_host; - if (class_device_create_file(&host->class_dev, &class_device_attr_add_target)) + if (device_create_file(&host->dev, &dev_attr_add_target)) goto err_class; - if (class_device_create_file(&host->class_dev, &class_device_attr_ibdev)) + if (device_create_file(&host->dev, &dev_attr_ibdev)) goto err_class; - if (class_device_create_file(&host->class_dev, &class_device_attr_port)) + if (device_create_file(&host->dev, &dev_attr_port)) goto err_class; return host; err_class: - class_device_unregister(&host->class_dev); + device_unregister(&host->dev); free_host: kfree(host); @@ -2084,7 +2097,7 @@ static void srp_remove_one(struct ib_device *device) srp_dev = ib_get_client_data(device, &srp_client); list_for_each_entry_safe(host, tmp_host, &srp_dev->dev_list, list) { - class_device_unregister(&host->class_dev); + device_unregister(&host->dev); /* * Wait for the sysfs entry to go away, so that no new * target ports can be created. |