Signed-off-by: Asias He <as...@redhat.com>
---
drivers/vhost/scsi.c | 154 +++++++++++++++++++++++++++++----------------------
1 file changed, 88 insertions(+), 66 deletions(-)
diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index d4798e1..d9781ed 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -333,11 +333,12 @@ static u32 tcm_vhost_get_default_depth(struct
se_portal_group *se_tpg)
return 1;
}
-static u32 tcm_vhost_get_pr_transport_id(struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl,
- struct t10_pr_registration *pr_reg,
- int *format_code,
- unsigned char *buf)
+static u32
+tcm_vhost_get_pr_transport_id(struct se_portal_group *se_tpg,
+ struct se_node_acl *se_nacl,
+ struct t10_pr_registration *pr_reg,
+ int *format_code,
+ unsigned char *buf)
{
struct tcm_vhost_tpg *tpg = container_of(se_tpg,
struct tcm_vhost_tpg, se_tpg);
@@ -363,10 +364,11 @@ static u32 tcm_vhost_get_pr_transport_id(struct
se_portal_group *se_tpg,
format_code, buf);
}
-static u32 tcm_vhost_get_pr_transport_id_len(struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl,
- struct t10_pr_registration *pr_reg,
- int *format_code)
+static u32
+tcm_vhost_get_pr_transport_id_len(struct se_portal_group *se_tpg,
+ struct se_node_acl *se_nacl,
+ struct t10_pr_registration *pr_reg,
+ int *format_code)
{
struct tcm_vhost_tpg *tpg = container_of(se_tpg,
struct tcm_vhost_tpg, se_tpg);
@@ -392,10 +394,11 @@ static u32 tcm_vhost_get_pr_transport_id_len(struct
se_portal_group *se_tpg,
format_code);
}
-static char *tcm_vhost_parse_pr_out_transport_id(struct se_portal_group
*se_tpg,
- const char *buf,
- u32 *out_tid_len,
- char **port_nexus_ptr)
+static char *
+tcm_vhost_parse_pr_out_transport_id(struct se_portal_group *se_tpg,
+ const char *buf,
+ u32 *out_tid_len,
+ char **port_nexus_ptr)
{
struct tcm_vhost_tpg *tpg = container_of(se_tpg,
struct tcm_vhost_tpg, se_tpg);
@@ -421,8 +424,8 @@ static char *tcm_vhost_parse_pr_out_transport_id(struct
se_portal_group *se_tpg,
port_nexus_ptr);
}
-static struct se_node_acl *tcm_vhost_alloc_fabric_acl(
- struct se_portal_group *se_tpg)
+static struct se_node_acl *
+tcm_vhost_alloc_fabric_acl(struct se_portal_group *se_tpg)
{
struct tcm_vhost_nacl *nacl;
@@ -435,8 +438,9 @@ static struct se_node_acl *tcm_vhost_alloc_fabric_acl(
return &nacl->se_node_acl;
}
-static void tcm_vhost_release_fabric_acl(struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl)
+static void
+tcm_vhost_release_fabric_acl(struct se_portal_group *se_tpg,
+ struct se_node_acl *se_nacl)
{
struct tcm_vhost_nacl *nacl = container_of(se_nacl,
struct tcm_vhost_nacl, se_node_acl);
@@ -531,8 +535,9 @@ static void tcm_vhost_free_evt(struct vhost_scsi *vs,
struct tcm_vhost_evt *evt)
kfree(evt);
}
-static struct tcm_vhost_evt *tcm_vhost_allocate_evt(struct vhost_scsi *vs,
- u32 event, u32 reason)
+static struct tcm_vhost_evt *
+tcm_vhost_allocate_evt(struct vhost_scsi *vs,
+ u32 event, u32 reason)
{
struct vhost_virtqueue *vq = &vs->vqs[VHOST_SCSI_VQ_EVT].vq;
struct tcm_vhost_evt *evt;
@@ -576,8 +581,8 @@ static void vhost_scsi_free_cmd(struct tcm_vhost_cmd
*tv_cmd)
kfree(tv_cmd);
}
-static void tcm_vhost_do_evt_work(struct vhost_scsi *vs,
- struct tcm_vhost_evt *evt)
+static void
+tcm_vhost_do_evt_work(struct vhost_scsi *vs, struct tcm_vhost_evt *evt)
{
struct vhost_virtqueue *vq = &vs->vqs[VHOST_SCSI_VQ_EVT].vq;
struct virtio_scsi_event *event = &evt->event;
@@ -698,12 +703,12 @@ static void vhost_scsi_complete_cmd_work(struct
vhost_work *work)
vhost_signal(&vs->dev, &vs->vqs[vq].vq);
}
-static struct tcm_vhost_cmd *vhost_scsi_allocate_cmd(
- struct vhost_virtqueue *vq,
- struct tcm_vhost_tpg *tv_tpg,
- struct virtio_scsi_cmd_req *v_req,
- u32 exp_data_len,
- int data_direction)
+static struct tcm_vhost_cmd *
+vhost_scsi_allocate_cmd(struct vhost_virtqueue *vq,
+ struct tcm_vhost_tpg *tv_tpg,
+ struct virtio_scsi_cmd_req *v_req,
+ u32 exp_data_len,
+ int data_direction)
{
struct tcm_vhost_cmd *tv_cmd;
struct tcm_vhost_nexus *tv_nexus;
@@ -734,8 +739,11 @@ static struct tcm_vhost_cmd *vhost_scsi_allocate_cmd(
*
* Returns the number of scatterlist entries used or -errno on error.
*/
-static int vhost_scsi_map_to_sgl(struct scatterlist *sgl,
- unsigned int sgl_count, struct iovec *iov, int write)
+static int
+vhost_scsi_map_to_sgl(struct scatterlist *sgl,
+ unsigned int sgl_count,
+ struct iovec *iov,
+ int write)
{
unsigned int npages = 0, pages_nr, offset, nbytes;
struct scatterlist *sg = sgl;
@@ -779,8 +787,11 @@ out:
return ret;
}
-static int vhost_scsi_map_iov_to_sgl(struct tcm_vhost_cmd *tv_cmd,
- struct iovec *iov, unsigned int niov, int write)
+static int
+vhost_scsi_map_iov_to_sgl(struct tcm_vhost_cmd *tv_cmd,
+ struct iovec *iov,
+ unsigned int niov,
+ int write)
{
int ret;
unsigned int i;
@@ -860,8 +871,10 @@ static void tcm_vhost_submission_work(struct work_struct
*work)
}
}
-static void vhost_scsi_send_bad_target(struct vhost_scsi *vs,
- struct vhost_virtqueue *vq, int head, unsigned out)
+static void
+vhost_scsi_send_bad_target(struct vhost_scsi *vs,
+ struct vhost_virtqueue *vq,
+ int head, unsigned out)
{
struct virtio_scsi_cmd_resp __user *resp;
struct virtio_scsi_cmd_resp rsp;
@@ -877,8 +890,8 @@ static void vhost_scsi_send_bad_target(struct vhost_scsi
*vs,
pr_err("Faulted on virtio_scsi_cmd_resp\n");
}
-static void vhost_scsi_handle_vq(struct vhost_scsi *vs,
- struct vhost_virtqueue *vq)
+static void
+vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq)
{
struct tcm_vhost_tpg **vs_tpg;
struct virtio_scsi_cmd_req v_req;
@@ -1059,8 +1072,12 @@ static void vhost_scsi_ctl_handle_kick(struct vhost_work
*work)
pr_debug("%s: The handling func for control queue.\n", __func__);
}
-static void tcm_vhost_send_evt(struct vhost_scsi *vs, struct tcm_vhost_tpg
*tpg,
- struct se_lun *lun, u32 event, u32 reason)
+static void
+tcm_vhost_send_evt(struct vhost_scsi *vs,
+ struct tcm_vhost_tpg *tpg,
+ struct se_lun *lun,
+ u32 event,
+ u32 reason)
{
struct tcm_vhost_evt *evt;
@@ -1150,9 +1167,9 @@ static void vhost_scsi_flush(struct vhost_scsi *vs)
* The lock nesting rule is:
* tcm_vhost_mutex -> vs->dev.mutex -> tpg->tv_tpg_mutex -> vq->mutex
*/
-static int vhost_scsi_set_endpoint(
- struct vhost_scsi *vs,
- struct vhost_scsi_target *t)
+static int
+vhost_scsi_set_endpoint(struct vhost_scsi *vs,
+ struct vhost_scsi_target *t)
{
struct tcm_vhost_tport *tv_tport;
struct tcm_vhost_tpg *tv_tpg;
@@ -1240,9 +1257,9 @@ out:
return ret;
}
-static int vhost_scsi_clear_endpoint(
- struct vhost_scsi *vs,
- struct vhost_scsi_target *t)
+static int
+vhost_scsi_clear_endpoint(struct vhost_scsi *vs,
+ struct vhost_scsi_target *t)
{
struct tcm_vhost_tport *tv_tport;
struct tcm_vhost_tpg *tv_tpg;
@@ -1402,8 +1419,10 @@ static int vhost_scsi_release(struct inode *inode,
struct file *f)
return 0;
}
-static long vhost_scsi_ioctl(struct file *f, unsigned int ioctl,
- unsigned long arg)
+static long
+vhost_scsi_ioctl(struct file *f,
+ unsigned int ioctl,
+ unsigned long arg)
{
struct vhost_scsi *vs = f->private_data;
struct vhost_scsi_target backend;
@@ -1519,8 +1538,9 @@ static char *tcm_vhost_dump_proto_id(struct
tcm_vhost_tport *tport)
return "Unknown";
}
-static void tcm_vhost_do_plug(struct tcm_vhost_tpg *tpg,
- struct se_lun *lun, bool plug)
+static void
+tcm_vhost_do_plug(struct tcm_vhost_tpg *tpg,
+ struct se_lun *lun, bool plug)
{
struct vhost_scsi *vs = tpg->vhost_scsi;
@@ -1560,7 +1580,7 @@ static void tcm_vhost_hotunplug(struct tcm_vhost_tpg
*tpg, struct se_lun *lun)
}
static int tcm_vhost_port_link(struct se_portal_group *se_tpg,
- struct se_lun *lun)
+ struct se_lun *lun)
{
struct tcm_vhost_tpg *tv_tpg = container_of(se_tpg,
struct tcm_vhost_tpg, se_tpg);
@@ -1579,7 +1599,7 @@ static int tcm_vhost_port_link(struct se_portal_group
*se_tpg,
}
static void tcm_vhost_port_unlink(struct se_portal_group *se_tpg,
- struct se_lun *lun)
+ struct se_lun *lun)
{
struct tcm_vhost_tpg *tv_tpg = container_of(se_tpg,
struct tcm_vhost_tpg, se_tpg);
@@ -1595,10 +1615,10 @@ static void tcm_vhost_port_unlink(struct
se_portal_group *se_tpg,
mutex_unlock(&tcm_vhost_mutex);
}
-static struct se_node_acl *tcm_vhost_make_nodeacl(
- struct se_portal_group *se_tpg,
- struct config_group *group,
- const char *name)
+static struct se_node_acl *
+tcm_vhost_make_nodeacl(struct se_portal_group *se_tpg,
+ struct config_group *group,
+ const char *name)
{
struct se_node_acl *se_nacl, *se_nacl_new;
struct tcm_vhost_nacl *nacl;
@@ -1640,7 +1660,7 @@ static void tcm_vhost_drop_nodeacl(struct se_node_acl
*se_acl)
}
static int tcm_vhost_make_nexus(struct tcm_vhost_tpg *tv_tpg,
- const char *name)
+ const char *name)
{
struct se_portal_group *se_tpg;
struct tcm_vhost_nexus *tv_nexus;
@@ -1744,7 +1764,7 @@ static int tcm_vhost_drop_nexus(struct tcm_vhost_tpg *tpg)
}
static ssize_t tcm_vhost_tpg_show_nexus(struct se_portal_group *se_tpg,
- char *page)
+ char *page)
{
struct tcm_vhost_tpg *tv_tpg = container_of(se_tpg,
struct tcm_vhost_tpg, se_tpg);
@@ -1765,8 +1785,8 @@ static ssize_t tcm_vhost_tpg_show_nexus(struct
se_portal_group *se_tpg,
}
static ssize_t tcm_vhost_tpg_store_nexus(struct se_portal_group *se_tpg,
- const char *page,
- size_t count)
+ const char *page,
+ size_t count)
{
struct tcm_vhost_tpg *tv_tpg = container_of(se_tpg,
struct tcm_vhost_tpg, se_tpg);
@@ -1849,9 +1869,10 @@ static struct configfs_attribute *tcm_vhost_tpg_attrs[]
= {
NULL,
};
-static struct se_portal_group *tcm_vhost_make_tpg(struct se_wwn *wwn,
- struct config_group *group,
- const char *name)
+static struct se_portal_group *
+tcm_vhost_make_tpg(struct se_wwn *wwn,
+ struct config_group *group,
+ const char *name)
{
struct tcm_vhost_tport *tport = container_of(wwn,
struct tcm_vhost_tport, tport_wwn);
@@ -1907,9 +1928,10 @@ static void tcm_vhost_drop_tpg(struct se_portal_group
*se_tpg)
kfree(tpg);
}
-static struct se_wwn *tcm_vhost_make_tport(struct target_fabric_configfs *tf,
- struct config_group *group,
- const char *name)
+static struct se_wwn *
+tcm_vhost_make_tport(struct target_fabric_configfs *tf,
+ struct config_group *group,
+ const char *name)
{
struct tcm_vhost_tport *tport;
char *ptr;
@@ -1979,9 +2001,9 @@ static void tcm_vhost_drop_tport(struct se_wwn *wwn)
kfree(tport);
}
-static ssize_t tcm_vhost_wwn_show_attr_version(
- struct target_fabric_configfs *tf,
- char *page)
+static ssize_t
+tcm_vhost_wwn_show_attr_version(struct target_fabric_configfs *tf,
+ char *page)
{
return sprintf(page, "TCM_VHOST fabric module %s on %s/%s"
"on "UTS_RELEASE"\n", TCM_VHOST_VERSION, utsname()->sysname,
--
1.8.1.4
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
