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IB: rename "dev" to "srp_dev" in srp_host structure

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This sets us up to be able to convert the srp_host to use a struct
device instead of a class_device.

Based on a original patch from Tony Jones, but split up into this piece
by Greg.

Signed-off-by: Tony Jones <tonyj@suse.de>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Reviewed-by: Roland Dreier <rolandd@cisco.com>
Cc: Sean Hefty <sean.hefty@intel.com>
Cc: Hal Rosenstock <hal.rosenstock@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman 2008-03-06 00:13:36 +01:00
parent f4e91eb4a8
commit 0532193746
2 changed files with 27 additions and 24 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

49
drivers/infiniband/ulp/srp/ib_srp.c
View file

@ -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);
@ -1563,7 +1565,7 @@ static ssize_t show_local_ib_device(struct class_device *cdev, char *buf)
{
struct srp_target_port *target = host_to_target(class_to_shost(cdev));
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);
@ -1613,7 +1615,7 @@ 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);
@ -1871,7 +1873,8 @@ 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 "
@ -1933,7 +1936,7 @@ static ssize_t show_ibdev(struct class_device *class_dev, char *buf)
struct srp_host *host =
container_of(class_dev, struct srp_host, class_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);
@ -1959,7 +1962,7 @@ 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;

2
drivers/infiniband/ulp/srp/ib_srp.h
View file

@ -97,7 +97,7 @@ struct srp_device {
};
struct srp_host {
struct srp_device *dev;
struct srp_device *srp_dev;
u8 port;
struct class_device class_dev;
struct list_head target_list;