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Subject[PATCH 34/36] IB: rename "dev" to "srp_dev" in srp_host structure
Date
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>
---
drivers/infiniband/ulp/srp/ib_srp.c | 49 ++++++++++++++++++----------------
drivers/infiniband/ulp/srp/ib_srp.h | 2 +-
2 files changed, 27 insertions(+), 24 deletions(-)

diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 125765a..99a1106 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);

@@ -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;
diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h
index cb6eb81..67e17c3 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.h
+++ b/drivers/infiniband/ulp/srp/ib_srp.h
@@ -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;
--
1.5.4.5


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