X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fvhost%2Fscsi.c;h=29cfc57d496e9497ebcf7bd5c5bd07a083bd91dc;hb=e09b41010ba33a20a87472ee821fa407a5b8da36;hp=ea32b386797f5d52b70ee6f4028f5e8df43f3a8f;hpb=f93b97fd65072de626c074dbe099a1fff05ce060;p=kvmfornfv.git diff --git a/kernel/drivers/vhost/scsi.c b/kernel/drivers/vhost/scsi.c index ea32b3867..29cfc57d4 100644 --- a/kernel/drivers/vhost/scsi.c +++ b/kernel/drivers/vhost/scsi.c @@ -35,14 +35,13 @@ #include #include #include +#include #include #include -#include +#include +#include #include #include -#include -#include -#include #include #include #include @@ -115,15 +114,6 @@ struct vhost_scsi_nexus { struct se_session *tvn_se_sess; }; -struct vhost_scsi_nacl { - /* Binary World Wide unique Port Name for Vhost Initiator port */ - u64 iport_wwpn; - /* ASCII formatted WWPN for Sas Initiator port */ - char iport_name[VHOST_SCSI_NAMELEN]; - /* Returned by vhost_scsi_make_nodeacl() */ - struct se_node_acl se_node_acl; -}; - struct vhost_scsi_tpg { /* Vhost port target portal group tag for TCM */ u16 tport_tpgt; @@ -174,9 +164,7 @@ enum { /* Note: can't set VIRTIO_F_VERSION_1 yet, since that implies ANY_LAYOUT. */ enum { VHOST_SCSI_FEATURES = VHOST_FEATURES | (1ULL << VIRTIO_SCSI_F_HOTPLUG) | - (1ULL << VIRTIO_SCSI_F_T10_PI) | - (1ULL << VIRTIO_F_ANY_LAYOUT) | - (1ULL << VIRTIO_F_VERSION_1) + (1ULL << VIRTIO_SCSI_F_T10_PI) }; #define VHOST_SCSI_MAX_TARGET 256 @@ -216,7 +204,6 @@ struct vhost_scsi { int vs_events_nr; /* num of pending events, protected by vq->mutex */ }; -static struct target_core_fabric_ops vhost_scsi_ops; static struct workqueue_struct *vhost_scsi_workqueue; /* Global spinlock to protect vhost_scsi TPG list for vhost IOCTL access */ @@ -297,28 +284,6 @@ static char *vhost_scsi_get_fabric_name(void) return "vhost"; } -static u8 vhost_scsi_get_fabric_proto_ident(struct se_portal_group *se_tpg) -{ - struct vhost_scsi_tpg *tpg = container_of(se_tpg, - struct vhost_scsi_tpg, se_tpg); - struct vhost_scsi_tport *tport = tpg->tport; - - switch (tport->tport_proto_id) { - case SCSI_PROTOCOL_SAS: - return sas_get_fabric_proto_ident(se_tpg); - case SCSI_PROTOCOL_FCP: - return fc_get_fabric_proto_ident(se_tpg); - case SCSI_PROTOCOL_ISCSI: - return iscsi_get_fabric_proto_ident(se_tpg); - default: - pr_err("Unknown tport_proto_id: 0x%02x, using" - " SAS emulation\n", tport->tport_proto_id); - break; - } - - return sas_get_fabric_proto_ident(se_tpg); -} - static char *vhost_scsi_get_fabric_wwn(struct se_portal_group *se_tpg) { struct vhost_scsi_tpg *tpg = container_of(se_tpg, @@ -335,102 +300,6 @@ static u16 vhost_scsi_get_tpgt(struct se_portal_group *se_tpg) return tpg->tport_tpgt; } -static u32 vhost_scsi_get_default_depth(struct se_portal_group *se_tpg) -{ - return 1; -} - -static u32 -vhost_scsi_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 vhost_scsi_tpg *tpg = container_of(se_tpg, - struct vhost_scsi_tpg, se_tpg); - struct vhost_scsi_tport *tport = tpg->tport; - - switch (tport->tport_proto_id) { - case SCSI_PROTOCOL_SAS: - return sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg, - format_code, buf); - case SCSI_PROTOCOL_FCP: - return fc_get_pr_transport_id(se_tpg, se_nacl, pr_reg, - format_code, buf); - case SCSI_PROTOCOL_ISCSI: - return iscsi_get_pr_transport_id(se_tpg, se_nacl, pr_reg, - format_code, buf); - default: - pr_err("Unknown tport_proto_id: 0x%02x, using" - " SAS emulation\n", tport->tport_proto_id); - break; - } - - return sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg, - format_code, buf); -} - -static u32 -vhost_scsi_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 vhost_scsi_tpg *tpg = container_of(se_tpg, - struct vhost_scsi_tpg, se_tpg); - struct vhost_scsi_tport *tport = tpg->tport; - - switch (tport->tport_proto_id) { - case SCSI_PROTOCOL_SAS: - return sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg, - format_code); - case SCSI_PROTOCOL_FCP: - return fc_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg, - format_code); - case SCSI_PROTOCOL_ISCSI: - return iscsi_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg, - format_code); - default: - pr_err("Unknown tport_proto_id: 0x%02x, using" - " SAS emulation\n", tport->tport_proto_id); - break; - } - - return sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg, - format_code); -} - -static char * -vhost_scsi_parse_pr_out_transport_id(struct se_portal_group *se_tpg, - const char *buf, - u32 *out_tid_len, - char **port_nexus_ptr) -{ - struct vhost_scsi_tpg *tpg = container_of(se_tpg, - struct vhost_scsi_tpg, se_tpg); - struct vhost_scsi_tport *tport = tpg->tport; - - switch (tport->tport_proto_id) { - case SCSI_PROTOCOL_SAS: - return sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len, - port_nexus_ptr); - case SCSI_PROTOCOL_FCP: - return fc_parse_pr_out_transport_id(se_tpg, buf, out_tid_len, - port_nexus_ptr); - case SCSI_PROTOCOL_ISCSI: - return iscsi_parse_pr_out_transport_id(se_tpg, buf, out_tid_len, - port_nexus_ptr); - default: - pr_err("Unknown tport_proto_id: 0x%02x, using" - " SAS emulation\n", tport->tport_proto_id); - break; - } - - return sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len, - port_nexus_ptr); -} - static int vhost_scsi_check_prot_fabric_only(struct se_portal_group *se_tpg) { struct vhost_scsi_tpg *tpg = container_of(se_tpg, @@ -439,29 +308,6 @@ static int vhost_scsi_check_prot_fabric_only(struct se_portal_group *se_tpg) return tpg->tv_fabric_prot_type; } -static struct se_node_acl * -vhost_scsi_alloc_fabric_acl(struct se_portal_group *se_tpg) -{ - struct vhost_scsi_nacl *nacl; - - nacl = kzalloc(sizeof(struct vhost_scsi_nacl), GFP_KERNEL); - if (!nacl) { - pr_err("Unable to allocate struct vhost_scsi_nacl\n"); - return NULL; - } - - return &nacl->se_node_acl; -} - -static void -vhost_scsi_release_fabric_acl(struct se_portal_group *se_tpg, - struct se_node_acl *se_nacl) -{ - struct vhost_scsi_nacl *nacl = container_of(se_nacl, - struct vhost_scsi_nacl, se_node_acl); - kfree(nacl); -} - static u32 vhost_scsi_tpg_get_inst_index(struct se_portal_group *se_tpg) { return 1; @@ -519,11 +365,6 @@ static void vhost_scsi_set_default_node_attrs(struct se_node_acl *nacl) return; } -static u32 vhost_scsi_get_task_tag(struct se_cmd *se_cmd) -{ - return 0; -} - static int vhost_scsi_get_cmd_state(struct se_cmd *se_cmd) { return 0; @@ -607,7 +448,7 @@ static void vhost_scsi_free_cmd(struct vhost_scsi_cmd *cmd) static int vhost_scsi_check_stop_free(struct se_cmd *se_cmd) { - return target_put_sess_cmd(se_cmd->se_sess, se_cmd); + return target_put_sess_cmd(se_cmd); } static void @@ -968,6 +809,7 @@ static void vhost_scsi_submission_work(struct work_struct *work) } tv_nexus = cmd->tvc_nexus; + se_cmd->tag = 0; rc = target_submit_cmd_map_sgls(se_cmd, tv_nexus->tvn_se_sess, cmd->tvc_cdb, &cmd->tvc_sense_buf[0], cmd->tvc_lun, cmd->tvc_exp_data_len, @@ -1727,9 +1569,9 @@ static int __init vhost_scsi_register(void) return misc_register(&vhost_scsi_misc); } -static int vhost_scsi_deregister(void) +static void vhost_scsi_deregister(void) { - return misc_deregister(&vhost_scsi_misc); + misc_deregister(&vhost_scsi_misc); } static char *vhost_scsi_dump_proto_id(struct vhost_scsi_tport *tport) @@ -1822,50 +1664,6 @@ static void vhost_scsi_port_unlink(struct se_portal_group *se_tpg, mutex_unlock(&vhost_scsi_mutex); } -static struct se_node_acl * -vhost_scsi_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 vhost_scsi_nacl *nacl; - u64 wwpn = 0; - u32 nexus_depth; - - /* vhost_scsi_parse_wwn(name, &wwpn, 1) < 0) - return ERR_PTR(-EINVAL); */ - se_nacl_new = vhost_scsi_alloc_fabric_acl(se_tpg); - if (!se_nacl_new) - return ERR_PTR(-ENOMEM); - - nexus_depth = 1; - /* - * se_nacl_new may be released by core_tpg_add_initiator_node_acl() - * when converting a NodeACL from demo mode -> explict - */ - se_nacl = core_tpg_add_initiator_node_acl(se_tpg, se_nacl_new, - name, nexus_depth); - if (IS_ERR(se_nacl)) { - vhost_scsi_release_fabric_acl(se_tpg, se_nacl_new); - return se_nacl; - } - /* - * Locate our struct vhost_scsi_nacl and set the FC Nport WWPN - */ - nacl = container_of(se_nacl, struct vhost_scsi_nacl, se_node_acl); - nacl->iport_wwpn = wwpn; - - return se_nacl; -} - -static void vhost_scsi_drop_nodeacl(struct se_node_acl *se_acl) -{ - struct vhost_scsi_nacl *nacl = container_of(se_acl, - struct vhost_scsi_nacl, se_node_acl); - core_tpg_del_initiator_node_acl(se_acl->se_tpg, se_acl, 1); - kfree(nacl); -} - static void vhost_scsi_free_cmd_map_res(struct vhost_scsi_nexus *nexus, struct se_session *se_sess) { @@ -1884,11 +1682,10 @@ static void vhost_scsi_free_cmd_map_res(struct vhost_scsi_nexus *nexus, } } -static ssize_t vhost_scsi_tpg_attrib_store_fabric_prot_type( - struct se_portal_group *se_tpg, - const char *page, - size_t count) +static ssize_t vhost_scsi_tpg_attrib_fabric_prot_type_store( + struct config_item *item, const char *page, size_t count) { + struct se_portal_group *se_tpg = attrib_to_tpg(item); struct vhost_scsi_tpg *tpg = container_of(se_tpg, struct vhost_scsi_tpg, se_tpg); unsigned long val; @@ -1907,19 +1704,20 @@ static ssize_t vhost_scsi_tpg_attrib_store_fabric_prot_type( return count; } -static ssize_t vhost_scsi_tpg_attrib_show_fabric_prot_type( - struct se_portal_group *se_tpg, - char *page) +static ssize_t vhost_scsi_tpg_attrib_fabric_prot_type_show( + struct config_item *item, char *page) { + struct se_portal_group *se_tpg = attrib_to_tpg(item); struct vhost_scsi_tpg *tpg = container_of(se_tpg, struct vhost_scsi_tpg, se_tpg); return sprintf(page, "%d\n", tpg->tv_fabric_prot_type); } -TF_TPG_ATTRIB_ATTR(vhost_scsi, fabric_prot_type, S_IRUGO | S_IWUSR); + +CONFIGFS_ATTR(vhost_scsi_tpg_attrib_, fabric_prot_type); static struct configfs_attribute *vhost_scsi_tpg_attrib_attrs[] = { - &vhost_scsi_tpg_attrib_fabric_prot_type.attr, + &vhost_scsi_tpg_attrib_attr_fabric_prot_type, NULL, }; @@ -2067,9 +1865,9 @@ static int vhost_scsi_drop_nexus(struct vhost_scsi_tpg *tpg) return 0; } -static ssize_t vhost_scsi_tpg_show_nexus(struct se_portal_group *se_tpg, - char *page) +static ssize_t vhost_scsi_tpg_nexus_show(struct config_item *item, char *page) { + struct se_portal_group *se_tpg = to_tpg(item); struct vhost_scsi_tpg *tpg = container_of(se_tpg, struct vhost_scsi_tpg, se_tpg); struct vhost_scsi_nexus *tv_nexus; @@ -2088,10 +1886,10 @@ static ssize_t vhost_scsi_tpg_show_nexus(struct se_portal_group *se_tpg, return ret; } -static ssize_t vhost_scsi_tpg_store_nexus(struct se_portal_group *se_tpg, - const char *page, - size_t count) +static ssize_t vhost_scsi_tpg_nexus_store(struct config_item *item, + const char *page, size_t count) { + struct se_portal_group *se_tpg = to_tpg(item); struct vhost_scsi_tpg *tpg = container_of(se_tpg, struct vhost_scsi_tpg, se_tpg); struct vhost_scsi_tport *tport_wwn = tpg->tport; @@ -2166,10 +1964,10 @@ check_newline: return count; } -TF_TPG_BASE_ATTR(vhost_scsi, nexus, S_IRUGO | S_IWUSR); +CONFIGFS_ATTR(vhost_scsi_tpg_, nexus); static struct configfs_attribute *vhost_scsi_tpg_attrs[] = { - &vhost_scsi_tpg_nexus.attr, + &vhost_scsi_tpg_attr_nexus, NULL, }; @@ -2200,8 +1998,7 @@ vhost_scsi_make_tpg(struct se_wwn *wwn, tpg->tport = tport; tpg->tport_tpgt = tpgt; - ret = core_tpg_register(&vhost_scsi_ops, wwn, - &tpg->se_tpg, tpg, TRANSPORT_TPG_TYPE_NORMAL); + ret = core_tpg_register(wwn, &tpg->se_tpg, tport->tport_proto_id); if (ret < 0) { kfree(tpg); return NULL; @@ -2306,18 +2103,17 @@ static void vhost_scsi_drop_tport(struct se_wwn *wwn) } static ssize_t -vhost_scsi_wwn_show_attr_version(struct target_fabric_configfs *tf, - char *page) +vhost_scsi_wwn_version_show(struct config_item *item, char *page) { return sprintf(page, "TCM_VHOST fabric module %s on %s/%s" "on "UTS_RELEASE"\n", VHOST_SCSI_VERSION, utsname()->sysname, utsname()->machine); } -TF_WWN_ATTR_RO(vhost_scsi, version); +CONFIGFS_ATTR_RO(vhost_scsi_wwn_, version); static struct configfs_attribute *vhost_scsi_wwn_attrs[] = { - &vhost_scsi_wwn_version.attr, + &vhost_scsi_wwn_attr_version, NULL, }; @@ -2325,20 +2121,13 @@ static struct target_core_fabric_ops vhost_scsi_ops = { .module = THIS_MODULE, .name = "vhost", .get_fabric_name = vhost_scsi_get_fabric_name, - .get_fabric_proto_ident = vhost_scsi_get_fabric_proto_ident, .tpg_get_wwn = vhost_scsi_get_fabric_wwn, .tpg_get_tag = vhost_scsi_get_tpgt, - .tpg_get_default_depth = vhost_scsi_get_default_depth, - .tpg_get_pr_transport_id = vhost_scsi_get_pr_transport_id, - .tpg_get_pr_transport_id_len = vhost_scsi_get_pr_transport_id_len, - .tpg_parse_pr_out_transport_id = vhost_scsi_parse_pr_out_transport_id, .tpg_check_demo_mode = vhost_scsi_check_true, .tpg_check_demo_mode_cache = vhost_scsi_check_true, .tpg_check_demo_mode_write_protect = vhost_scsi_check_false, .tpg_check_prod_mode_write_protect = vhost_scsi_check_false, .tpg_check_prot_fabric_only = vhost_scsi_check_prot_fabric_only, - .tpg_alloc_fabric_acl = vhost_scsi_alloc_fabric_acl, - .tpg_release_fabric_acl = vhost_scsi_release_fabric_acl, .tpg_get_inst_index = vhost_scsi_tpg_get_inst_index, .release_cmd = vhost_scsi_release_cmd, .check_stop_free = vhost_scsi_check_stop_free, @@ -2349,7 +2138,6 @@ static struct target_core_fabric_ops vhost_scsi_ops = { .write_pending = vhost_scsi_write_pending, .write_pending_status = vhost_scsi_write_pending_status, .set_default_node_attributes = vhost_scsi_set_default_node_attrs, - .get_task_tag = vhost_scsi_get_task_tag, .get_cmd_state = vhost_scsi_get_cmd_state, .queue_data_in = vhost_scsi_queue_data_in, .queue_status = vhost_scsi_queue_status, @@ -2364,10 +2152,6 @@ static struct target_core_fabric_ops vhost_scsi_ops = { .fabric_drop_tpg = vhost_scsi_drop_tpg, .fabric_post_link = vhost_scsi_port_link, .fabric_pre_unlink = vhost_scsi_port_unlink, - .fabric_make_np = NULL, - .fabric_drop_np = NULL, - .fabric_make_nodeacl = vhost_scsi_make_nodeacl, - .fabric_drop_nodeacl = vhost_scsi_drop_nodeacl, .tfc_wwn_attrs = vhost_scsi_wwn_attrs, .tfc_tpg_base_attrs = vhost_scsi_tpg_attrs,