forked from luck/tmp_suning_uos_patched
vhost-scsi: Rename struct tcm_vhost_tpg *tv_tpg to *tpg
Signed-off-by: Asias He <asias@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Asias He
Michael S. Tsirkin
parent
683bd967dd
commit
9871831283
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@ -700,7 +700,7 @@ static void vhost_scsi_complete_cmd_work(struct vhost_work *work)
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static struct tcm_vhost_cmd *
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vhost_scsi_allocate_cmd(struct vhost_virtqueue *vq,
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struct tcm_vhost_tpg *tv_tpg,
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struct tcm_vhost_tpg *tpg,
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struct virtio_scsi_cmd_req *v_req,
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u32 exp_data_len,
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int data_direction)
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@ -708,7 +708,7 @@ vhost_scsi_allocate_cmd(struct vhost_virtqueue *vq,
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struct tcm_vhost_cmd *tv_cmd;
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struct tcm_vhost_nexus *tv_nexus;
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tv_nexus = tv_tpg->tpg_nexus;
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tv_nexus = tpg->tpg_nexus;
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if (!tv_nexus) {
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pr_err("Unable to locate active struct tcm_vhost_nexus\n");
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return ERR_PTR(-EIO);
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@ -890,7 +890,7 @@ vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq)
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{
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struct tcm_vhost_tpg **vs_tpg;
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struct virtio_scsi_cmd_req v_req;
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struct tcm_vhost_tpg *tv_tpg;
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struct tcm_vhost_tpg *tpg;
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struct tcm_vhost_cmd *tv_cmd;
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u32 exp_data_len, data_first, data_num, data_direction;
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unsigned out, in, i;
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@ -976,10 +976,10 @@ vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq)
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/* Extract the tpgt */
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target = v_req.lun[1];
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tv_tpg = ACCESS_ONCE(vs_tpg[target]);
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tpg = ACCESS_ONCE(vs_tpg[target]);
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/* Target does not exist, fail the request */
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if (unlikely(!tv_tpg)) {
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if (unlikely(!tpg)) {
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vhost_scsi_send_bad_target(vs, vq, head, out);
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continue;
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}
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@ -988,7 +988,7 @@ vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq)
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for (i = 0; i < data_num; i++)
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exp_data_len += vq->iov[data_first + i].iov_len;
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tv_cmd = vhost_scsi_allocate_cmd(vq, tv_tpg, &v_req,
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tv_cmd = vhost_scsi_allocate_cmd(vq, tpg, &v_req,
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exp_data_len, data_direction);
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if (IS_ERR(tv_cmd)) {
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vq_err(vq, "vhost_scsi_allocate_cmd failed %ld\n",
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@ -1167,7 +1167,7 @@ vhost_scsi_set_endpoint(struct vhost_scsi *vs,
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struct vhost_scsi_target *t)
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{
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struct tcm_vhost_tport *tv_tport;
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struct tcm_vhost_tpg *tv_tpg;
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struct tcm_vhost_tpg *tpg;
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struct tcm_vhost_tpg **vs_tpg;
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struct vhost_virtqueue *vq;
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int index, ret, i, len;
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@ -1194,32 +1194,32 @@ vhost_scsi_set_endpoint(struct vhost_scsi *vs,
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if (vs->vs_tpg)
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memcpy(vs_tpg, vs->vs_tpg, len);
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list_for_each_entry(tv_tpg, &tcm_vhost_list, tv_tpg_list) {
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mutex_lock(&tv_tpg->tv_tpg_mutex);
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if (!tv_tpg->tpg_nexus) {
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mutex_unlock(&tv_tpg->tv_tpg_mutex);
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list_for_each_entry(tpg, &tcm_vhost_list, tv_tpg_list) {
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mutex_lock(&tpg->tv_tpg_mutex);
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if (!tpg->tpg_nexus) {
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mutex_unlock(&tpg->tv_tpg_mutex);
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continue;
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}
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if (tv_tpg->tv_tpg_vhost_count != 0) {
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mutex_unlock(&tv_tpg->tv_tpg_mutex);
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if (tpg->tv_tpg_vhost_count != 0) {
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mutex_unlock(&tpg->tv_tpg_mutex);
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continue;
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}
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tv_tport = tv_tpg->tport;
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tv_tport = tpg->tport;
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if (!strcmp(tv_tport->tport_name, t->vhost_wwpn)) {
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if (vs->vs_tpg && vs->vs_tpg[tv_tpg->tport_tpgt]) {
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if (vs->vs_tpg && vs->vs_tpg[tpg->tport_tpgt]) {
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kfree(vs_tpg);
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mutex_unlock(&tv_tpg->tv_tpg_mutex);
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mutex_unlock(&tpg->tv_tpg_mutex);
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ret = -EEXIST;
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goto out;
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}
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tv_tpg->tv_tpg_vhost_count++;
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tv_tpg->vhost_scsi = vs;
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vs_tpg[tv_tpg->tport_tpgt] = tv_tpg;
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tpg->tv_tpg_vhost_count++;
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tpg->vhost_scsi = vs;
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vs_tpg[tpg->tport_tpgt] = tpg;
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smp_mb__after_atomic_inc();
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match = true;
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}
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mutex_unlock(&tv_tpg->tv_tpg_mutex);
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mutex_unlock(&tpg->tv_tpg_mutex);
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}
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if (match) {
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@ -1257,7 +1257,7 @@ vhost_scsi_clear_endpoint(struct vhost_scsi *vs,
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struct vhost_scsi_target *t)
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{
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struct tcm_vhost_tport *tv_tport;
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struct tcm_vhost_tpg *tv_tpg;
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struct tcm_vhost_tpg *tpg;
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struct vhost_virtqueue *vq;
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bool match = false;
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int index, ret, i;
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@ -1280,30 +1280,30 @@ vhost_scsi_clear_endpoint(struct vhost_scsi *vs,
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for (i = 0; i < VHOST_SCSI_MAX_TARGET; i++) {
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target = i;
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tv_tpg = vs->vs_tpg[target];
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if (!tv_tpg)
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tpg = vs->vs_tpg[target];
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if (!tpg)
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continue;
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mutex_lock(&tv_tpg->tv_tpg_mutex);
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tv_tport = tv_tpg->tport;
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mutex_lock(&tpg->tv_tpg_mutex);
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tv_tport = tpg->tport;
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if (!tv_tport) {
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ret = -ENODEV;
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goto err_tpg;
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}
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if (strcmp(tv_tport->tport_name, t->vhost_wwpn)) {
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pr_warn("tv_tport->tport_name: %s, tv_tpg->tport_tpgt: %hu"
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pr_warn("tv_tport->tport_name: %s, tpg->tport_tpgt: %hu"
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" does not match t->vhost_wwpn: %s, t->vhost_tpgt: %hu\n",
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tv_tport->tport_name, tv_tpg->tport_tpgt,
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tv_tport->tport_name, tpg->tport_tpgt,
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t->vhost_wwpn, t->vhost_tpgt);
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ret = -EINVAL;
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goto err_tpg;
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}
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tv_tpg->tv_tpg_vhost_count--;
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tv_tpg->vhost_scsi = NULL;
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tpg->tv_tpg_vhost_count--;
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tpg->vhost_scsi = NULL;
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vs->vs_tpg[target] = NULL;
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match = true;
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mutex_unlock(&tv_tpg->tv_tpg_mutex);
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mutex_unlock(&tpg->tv_tpg_mutex);
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}
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if (match) {
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for (i = 0; i < VHOST_SCSI_MAX_VQ; i++) {
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@ -1327,7 +1327,7 @@ vhost_scsi_clear_endpoint(struct vhost_scsi *vs,
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return 0;
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err_tpg:
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mutex_unlock(&tv_tpg->tv_tpg_mutex);
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mutex_unlock(&tpg->tv_tpg_mutex);
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err_dev:
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mutex_unlock(&vs->dev.mutex);
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mutex_unlock(&tcm_vhost_mutex);
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@ -1577,16 +1577,16 @@ static void tcm_vhost_hotunplug(struct tcm_vhost_tpg *tpg, struct se_lun *lun)
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static int tcm_vhost_port_link(struct se_portal_group *se_tpg,
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struct se_lun *lun)
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{
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struct tcm_vhost_tpg *tv_tpg = container_of(se_tpg,
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struct tcm_vhost_tpg *tpg = container_of(se_tpg,
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struct tcm_vhost_tpg, se_tpg);
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mutex_lock(&tcm_vhost_mutex);
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mutex_lock(&tv_tpg->tv_tpg_mutex);
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tv_tpg->tv_tpg_port_count++;
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mutex_unlock(&tv_tpg->tv_tpg_mutex);
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mutex_lock(&tpg->tv_tpg_mutex);
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tpg->tv_tpg_port_count++;
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mutex_unlock(&tpg->tv_tpg_mutex);
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tcm_vhost_hotplug(tv_tpg, lun);
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tcm_vhost_hotplug(tpg, lun);
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mutex_unlock(&tcm_vhost_mutex);
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@ -1596,16 +1596,16 @@ static int tcm_vhost_port_link(struct se_portal_group *se_tpg,
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static void tcm_vhost_port_unlink(struct se_portal_group *se_tpg,
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struct se_lun *lun)
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{
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struct tcm_vhost_tpg *tv_tpg = container_of(se_tpg,
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struct tcm_vhost_tpg *tpg = container_of(se_tpg,
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struct tcm_vhost_tpg, se_tpg);
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mutex_lock(&tcm_vhost_mutex);
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mutex_lock(&tv_tpg->tv_tpg_mutex);
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tv_tpg->tv_tpg_port_count--;
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mutex_unlock(&tv_tpg->tv_tpg_mutex);
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mutex_lock(&tpg->tv_tpg_mutex);
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tpg->tv_tpg_port_count--;
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mutex_unlock(&tpg->tv_tpg_mutex);
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tcm_vhost_hotunplug(tv_tpg, lun);
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tcm_vhost_hotunplug(tpg, lun);
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mutex_unlock(&tcm_vhost_mutex);
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}
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@ -1654,23 +1654,23 @@ static void tcm_vhost_drop_nodeacl(struct se_node_acl *se_acl)
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kfree(nacl);
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}
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static int tcm_vhost_make_nexus(struct tcm_vhost_tpg *tv_tpg,
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static int tcm_vhost_make_nexus(struct tcm_vhost_tpg *tpg,
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const char *name)
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{
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struct se_portal_group *se_tpg;
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struct tcm_vhost_nexus *tv_nexus;
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mutex_lock(&tv_tpg->tv_tpg_mutex);
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if (tv_tpg->tpg_nexus) {
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mutex_unlock(&tv_tpg->tv_tpg_mutex);
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pr_debug("tv_tpg->tpg_nexus already exists\n");
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mutex_lock(&tpg->tv_tpg_mutex);
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if (tpg->tpg_nexus) {
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mutex_unlock(&tpg->tv_tpg_mutex);
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pr_debug("tpg->tpg_nexus already exists\n");
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return -EEXIST;
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}
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se_tpg = &tv_tpg->se_tpg;
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se_tpg = &tpg->se_tpg;
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tv_nexus = kzalloc(sizeof(struct tcm_vhost_nexus), GFP_KERNEL);
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if (!tv_nexus) {
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mutex_unlock(&tv_tpg->tv_tpg_mutex);
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mutex_unlock(&tpg->tv_tpg_mutex);
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pr_err("Unable to allocate struct tcm_vhost_nexus\n");
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return -ENOMEM;
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}
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@ -1679,7 +1679,7 @@ static int tcm_vhost_make_nexus(struct tcm_vhost_tpg *tv_tpg,
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*/
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tv_nexus->tvn_se_sess = transport_init_session();
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if (IS_ERR(tv_nexus->tvn_se_sess)) {
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mutex_unlock(&tv_tpg->tv_tpg_mutex);
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mutex_unlock(&tpg->tv_tpg_mutex);
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kfree(tv_nexus);
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return -ENOMEM;
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}
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@ -1691,7 +1691,7 @@ static int tcm_vhost_make_nexus(struct tcm_vhost_tpg *tv_tpg,
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tv_nexus->tvn_se_sess->se_node_acl = core_tpg_check_initiator_node_acl(
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se_tpg, (unsigned char *)name);
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if (!tv_nexus->tvn_se_sess->se_node_acl) {
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mutex_unlock(&tv_tpg->tv_tpg_mutex);
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mutex_unlock(&tpg->tv_tpg_mutex);
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pr_debug("core_tpg_check_initiator_node_acl() failed"
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" for %s\n", name);
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transport_free_session(tv_nexus->tvn_se_sess);
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@ -1704,9 +1704,9 @@ static int tcm_vhost_make_nexus(struct tcm_vhost_tpg *tv_tpg,
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*/
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__transport_register_session(se_tpg, tv_nexus->tvn_se_sess->se_node_acl,
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tv_nexus->tvn_se_sess, tv_nexus);
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tv_tpg->tpg_nexus = tv_nexus;
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tpg->tpg_nexus = tv_nexus;
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mutex_unlock(&tv_tpg->tv_tpg_mutex);
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mutex_unlock(&tpg->tv_tpg_mutex);
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return 0;
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}
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@ -1761,20 +1761,20 @@ static int tcm_vhost_drop_nexus(struct tcm_vhost_tpg *tpg)
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static ssize_t tcm_vhost_tpg_show_nexus(struct se_portal_group *se_tpg,
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char *page)
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{
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struct tcm_vhost_tpg *tv_tpg = container_of(se_tpg,
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struct tcm_vhost_tpg *tpg = container_of(se_tpg,
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struct tcm_vhost_tpg, se_tpg);
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struct tcm_vhost_nexus *tv_nexus;
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ssize_t ret;
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mutex_lock(&tv_tpg->tv_tpg_mutex);
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tv_nexus = tv_tpg->tpg_nexus;
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mutex_lock(&tpg->tv_tpg_mutex);
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tv_nexus = tpg->tpg_nexus;
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if (!tv_nexus) {
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mutex_unlock(&tv_tpg->tv_tpg_mutex);
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mutex_unlock(&tpg->tv_tpg_mutex);
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return -ENODEV;
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}
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ret = snprintf(page, PAGE_SIZE, "%s\n",
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tv_nexus->tvn_se_sess->se_node_acl->initiatorname);
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mutex_unlock(&tv_tpg->tv_tpg_mutex);
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mutex_unlock(&tpg->tv_tpg_mutex);
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return ret;
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}
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@ -1783,16 +1783,16 @@ static ssize_t tcm_vhost_tpg_store_nexus(struct se_portal_group *se_tpg,
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const char *page,
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size_t count)
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{
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struct tcm_vhost_tpg *tv_tpg = container_of(se_tpg,
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struct tcm_vhost_tpg *tpg = container_of(se_tpg,
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struct tcm_vhost_tpg, se_tpg);
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struct tcm_vhost_tport *tport_wwn = tv_tpg->tport;
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struct tcm_vhost_tport *tport_wwn = tpg->tport;
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unsigned char i_port[TCM_VHOST_NAMELEN], *ptr, *port_ptr;
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int ret;
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/*
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* Shutdown the active I_T nexus if 'NULL' is passed..
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*/
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if (!strncmp(page, "NULL", 4)) {
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ret = tcm_vhost_drop_nexus(tv_tpg);
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ret = tcm_vhost_drop_nexus(tpg);
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return (!ret) ? count : ret;
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}
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/*
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@ -1850,7 +1850,7 @@ static ssize_t tcm_vhost_tpg_store_nexus(struct se_portal_group *se_tpg,
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if (i_port[strlen(i_port)-1] == '\n')
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i_port[strlen(i_port)-1] = '\0';
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ret = tcm_vhost_make_nexus(tv_tpg, port_ptr);
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ret = tcm_vhost_make_nexus(tpg, port_ptr);
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if (ret < 0)
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return ret;
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