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vhost: reordered functions in vhost_scsi.c

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General cleanup.

Change-Id: I31083a7210634b8fc9d1336aff08f9793b249930
Signed-off-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-on: https://review.gerrithub.io/362296
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
This commit is contained in:
Dariusz Stojaczyk 2017-05-24 13:16:40 +02:00 committed by Jim Harris
parent d237aba3b9
commit d5b6b1880e
1 changed files with 63 additions and 63 deletions
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126
lib/vhost/vhost_scsi.c
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@ -81,12 +81,6 @@
#define VIRTIO_SCSI_EVENTQ 1
#define VIRTIO_SCSI_REQUESTQ 2
static uint64_t
gpa_to_vva(struct spdk_vhost_dev *vdev, uint64_t addr)
{
return rte_vhost_gpa_to_vva(vdev->mem, addr);
}
struct spdk_vhost_scsi_dev {
struct spdk_vhost_dev vdev;
@ -95,6 +89,24 @@ struct spdk_vhost_scsi_dev {
struct spdk_poller *controlq_poller;
} __rte_cache_aligned;
static int new_device(int vid);
static void destroy_device(int vid);
const struct spdk_vhost_dev_backend spdk_vhost_scsi_device_backend = {
.virtio_features = SPDK_VHOST_SCSI_FEATURES,
.disabled_features = SPDK_VHOST_SCSI_DISABLED_FEATURES,
.ops = {
.new_device = new_device,
.destroy_device = destroy_device,
}
};
static uint64_t
gpa_to_vva(struct spdk_vhost_dev *vdev, uint64_t addr)
{
return rte_vhost_gpa_to_vva(vdev->mem, addr);
}
/*
* Get available requests from avail ring.
*/
@ -717,63 +729,6 @@ remove_vdev_cb(void *arg1, void *arg2)
sem_post((sem_t *)arg2);
}
static void
destroy_device(int vid)
{
struct spdk_vhost_scsi_dev *svdev;
struct spdk_vhost_dev *vdev;
struct spdk_event *event;
sem_t done_sem;
uint32_t i;
vdev = spdk_vhost_dev_find_by_vid(vid);
if (vdev == NULL) {
rte_panic("Couldn't find device with vid %d to stop.\n", vid);
}
svdev = (struct spdk_vhost_scsi_dev *) vdev;
event = vhost_sem_event_alloc(vdev->lcore, vdev_event_done_cb, NULL, &done_sem);
spdk_poller_unregister(&svdev->requestq_poller, event);
if (vhost_sem_timedwait(&done_sem, 1))
rte_panic("%s: failed to unregister request queue poller.\n", vdev->name);
event = vhost_sem_event_alloc(vdev->lcore, vdev_event_done_cb, NULL, &done_sem);
spdk_poller_unregister(&svdev->controlq_poller, event);
if (vhost_sem_timedwait(&done_sem, 1))
rte_panic("%s: failed to unregister control queue poller.\n", vdev->name);
/* Wait for all tasks to finish */
for (i = 1000; i && vdev->task_cnt > 0; i--) {
usleep(1000);
}
if (vdev->task_cnt > 0) {
rte_panic("%s: pending tasks did not finish in 1s.\n", vdev->name);
}
event = vhost_sem_event_alloc(vdev->lcore, remove_vdev_cb, svdev, &done_sem);
spdk_event_call(event);
if (vhost_sem_timedwait(&done_sem, 1))
rte_panic("%s: failed to unregister poller.\n", vdev->name);
spdk_vhost_free_reactor(vdev->lcore);
vdev->lcore = -1;
spdk_vhost_dev_destruct(vdev);
}
static int new_device(int vid);
static void destroy_device(int vid);
const struct spdk_vhost_dev_backend spdk_vhost_scsi_device_backend = {
.virtio_features = SPDK_VHOST_SCSI_FEATURES,
.disabled_features = SPDK_VHOST_SCSI_DISABLED_FEATURES,
.ops = {
.new_device = new_device,
.destroy_device = destroy_device,
}
};
int
spdk_vhost_scsi_dev_construct(const char *name, uint64_t cpumask)
{
@ -1048,6 +1003,51 @@ new_device(int vid)
return 0;
}
static void
destroy_device(int vid)
{
struct spdk_vhost_scsi_dev *svdev;
struct spdk_vhost_dev *vdev;
struct spdk_event *event;
sem_t done_sem;
uint32_t i;
vdev = spdk_vhost_dev_find_by_vid(vid);
if (vdev == NULL) {
rte_panic("Couldn't find device with vid %d to stop.\n", vid);
}
svdev = (struct spdk_vhost_scsi_dev *) vdev;
event = vhost_sem_event_alloc(vdev->lcore, vdev_event_done_cb, NULL, &done_sem);
spdk_poller_unregister(&svdev->requestq_poller, event);
if (vhost_sem_timedwait(&done_sem, 1))
rte_panic("%s: failed to unregister request queue poller.\n", vdev->name);
event = vhost_sem_event_alloc(vdev->lcore, vdev_event_done_cb, NULL, &done_sem);
spdk_poller_unregister(&svdev->controlq_poller, event);
if (vhost_sem_timedwait(&done_sem, 1))
rte_panic("%s: failed to unregister control queue poller.\n", vdev->name);
/* Wait for all tasks to finish */
for (i = 1000; i && vdev->task_cnt > 0; i--) {
usleep(1000);
}
if (vdev->task_cnt > 0) {
rte_panic("%s: pending tasks did not finish in 1s.\n", vdev->name);
}
event = vhost_sem_event_alloc(vdev->lcore, remove_vdev_cb, svdev, &done_sem);
spdk_event_call(event);
if (vhost_sem_timedwait(&done_sem, 1))
rte_panic("%s: failed to unregister poller.\n", vdev->name);
spdk_vhost_free_reactor(vdev->lcore);
vdev->lcore = -1;
spdk_vhost_dev_destruct(vdev);
}
SPDK_LOG_REGISTER_TRACE_FLAG("vhost", SPDK_TRACE_VHOST)
SPDK_LOG_REGISTER_TRACE_FLAG("vhost_ring", SPDK_TRACE_VHOST_RING)
SPDK_LOG_REGISTER_TRACE_FLAG("vhost_queue", SPDK_TRACE_VHOST_QUEUE)