static int
isert_setup_np(struct iscsi_np *np,
- struct __kernel_sockaddr_storage *ksockaddr)
+ struct sockaddr_storage *ksockaddr)
{
struct isert_np *isert_np;
struct rdma_cm_id *isert_lid;
* in iscsi_target_configfs.c code..
*/
memcpy(&np->np_sockaddr, ksockaddr,
- sizeof(struct __kernel_sockaddr_storage));
+ sizeof(struct sockaddr_storage));
isert_lid = isert_setup_id(isert_np);
if (IS_ERR(isert_lid)) {
{
struct rdma_cm_id *cm_id = isert_conn->cm_id;
struct rdma_route *cm_route = &cm_id->route;
- struct sockaddr_in *sock_in;
- struct sockaddr_in6 *sock_in6;
conn->login_family = np->np_sockaddr.ss_family;
- if (np->np_sockaddr.ss_family == AF_INET6) {
- sock_in6 = (struct sockaddr_in6 *)&cm_route->addr.dst_addr;
- snprintf(conn->login_ip, sizeof(conn->login_ip), "%pI6c",
- &sock_in6->sin6_addr.in6_u);
- conn->login_port = ntohs(sock_in6->sin6_port);
-
- sock_in6 = (struct sockaddr_in6 *)&cm_route->addr.src_addr;
- snprintf(conn->local_ip, sizeof(conn->local_ip), "%pI6c",
- &sock_in6->sin6_addr.in6_u);
- conn->local_port = ntohs(sock_in6->sin6_port);
- } else {
- sock_in = (struct sockaddr_in *)&cm_route->addr.dst_addr;
- sprintf(conn->login_ip, "%pI4",
- &sock_in->sin_addr.s_addr);
- conn->login_port = ntohs(sock_in->sin_port);
-
- sock_in = (struct sockaddr_in *)&cm_route->addr.src_addr;
- sprintf(conn->local_ip, "%pI4",
- &sock_in->sin_addr.s_addr);
- conn->local_port = ntohs(sock_in->sin_port);
- }
+ conn->login_sockaddr = cm_route->addr.dst_addr;
+ conn->local_sockaddr = cm_route->addr.src_addr;
}
static int
SAM_STAT_CHECK_CONDITION;
scsi_build_sense_buffer(1, sc->sense_buffer,
ILLEGAL_REQUEST, 0x10, ascq);
- sc->sense_buffer[7] = 0xc; /* Additional sense length */
- sc->sense_buffer[8] = 0; /* Information desc type */
- sc->sense_buffer[9] = 0xa; /* Additional desc length */
- sc->sense_buffer[10] = 0x80; /* Validity bit */
-
- put_unaligned_be64(sector, &sc->sense_buffer[12]);
+ scsi_set_sense_information(sc->sense_buffer,
+ SCSI_SENSE_BUFFERSIZE,
+ sector);
goto out;
}
}
They are also included in the linux-firmware tree as well.
config TCM_QLA2XXX
- tristate "TCM_QLA2XXX fabric module for Qlogic 2xxx series target mode HBAs"
+ tristate "TCM_QLA2XXX fabric module for QLogic 24xx+ series target mode HBAs"
depends on SCSI_QLA_FC && TARGET_CORE
depends on LIBFC
select BTREE
default n
---help---
- Say Y here to enable the TCM_QLA2XXX fabric module for Qlogic 2xxx series target mode HBAs
+ Say Y here to enable the TCM_QLA2XXX fabric module for QLogic 24xx+ series target mode HBAs
struct qla_hw_data *ha = tgt->ha;
scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
struct se_session *se_sess;
- struct se_node_acl *se_nacl;
struct tcm_qla2xxx_lport *lport;
- struct tcm_qla2xxx_nacl *nacl;
BUG_ON(in_interrupt());
dump_stack();
return;
}
- se_nacl = se_sess->se_node_acl;
- nacl = container_of(se_nacl, struct tcm_qla2xxx_nacl, se_node_acl);
lport = vha->vha_tgt.target_lport_ptr;
if (!lport) {
(struct tcm_qla2xxx_lport *)target_lport_ptr;
struct tcm_qla2xxx_lport *base_lport =
(struct tcm_qla2xxx_lport *)base_vha->vha_tgt.target_lport_ptr;
- struct tcm_qla2xxx_tpg *base_tpg;
struct fc_vport_identifiers vport_id;
if (!qla_tgt_mode_enabled(base_vha)) {
pr_err("qla2xxx base_lport or tpg_1 not available\n");
return -EPERM;
}
- base_tpg = base_lport->tpg_1;
memset(&vport_id, 0, sizeof(vport_id));
vport_id.port_name = npiv_wwpn;
.module = THIS_MODULE,
.name = "qla2xxx",
.node_acl_size = sizeof(struct tcm_qla2xxx_nacl),
+ /*
+ * XXX: Limit assumes single page per scatter-gather-list entry.
+ * Current maximum is ~4.9 MB per se_cmd->t_data_sg with PAGE_SIZE=4096
+ */
+ .max_data_sg_nents = 1200,
.get_fabric_name = tcm_qla2xxx_get_fabric_name,
.tpg_get_wwn = tcm_qla2xxx_get_fabric_wwn,
.tpg_get_tag = tcm_qla2xxx_get_tag,
tcm_qla2xxx_deregister_configfs();
}
-MODULE_DESCRIPTION("TCM QLA2XXX series NPIV enabled fabric driver");
+MODULE_DESCRIPTION("TCM QLA24XX+ series NPIV enabled fabric driver");
MODULE_LICENSE("GPL");
module_init(tcm_qla2xxx_init);
module_exit(tcm_qla2xxx_exit);
#include <linux/bug.h>
#include <linux/kernel.h>
#include <linux/string.h>
+#include <linux/errno.h>
+#include <asm/unaligned.h>
#include <scsi/scsi_common.h>
/* NB: These are exposed through /proc/scsi/scsi and form part of the ABI.
return true;
}
EXPORT_SYMBOL(scsi_normalize_sense);
+
+/**
+ * scsi_sense_desc_find - search for a given descriptor type in descriptor sense data format.
+ * @sense_buffer: byte array of descriptor format sense data
+ * @sb_len: number of valid bytes in sense_buffer
+ * @desc_type: value of descriptor type to find
+ * (e.g. 0 -> information)
+ *
+ * Notes:
+ * only valid when sense data is in descriptor format
+ *
+ * Return value:
+ * pointer to start of (first) descriptor if found else NULL
+ */
+const u8 * scsi_sense_desc_find(const u8 * sense_buffer, int sb_len,
+ int desc_type)
+{
+ int add_sen_len, add_len, desc_len, k;
+ const u8 * descp;
+
+ if ((sb_len < 8) || (0 == (add_sen_len = sense_buffer[7])))
+ return NULL;
+ if ((sense_buffer[0] < 0x72) || (sense_buffer[0] > 0x73))
+ return NULL;
+ add_sen_len = (add_sen_len < (sb_len - 8)) ?
+ add_sen_len : (sb_len - 8);
+ descp = &sense_buffer[8];
+ for (desc_len = 0, k = 0; k < add_sen_len; k += desc_len) {
+ descp += desc_len;
+ add_len = (k < (add_sen_len - 1)) ? descp[1]: -1;
+ desc_len = add_len + 2;
+ if (descp[0] == desc_type)
+ return descp;
+ if (add_len < 0) // short descriptor ??
+ break;
+ }
+ return NULL;
+}
+EXPORT_SYMBOL(scsi_sense_desc_find);
+
+/**
+ * scsi_build_sense_buffer - build sense data in a buffer
+ * @desc: Sense format (non zero == descriptor format,
+ * 0 == fixed format)
+ * @buf: Where to build sense data
+ * @key: Sense key
+ * @asc: Additional sense code
+ * @ascq: Additional sense code qualifier
+ *
+ **/
+void scsi_build_sense_buffer(int desc, u8 *buf, u8 key, u8 asc, u8 ascq)
+{
+ if (desc) {
+ buf[0] = 0x72; /* descriptor, current */
+ buf[1] = key;
+ buf[2] = asc;
+ buf[3] = ascq;
+ buf[7] = 0;
+ } else {
+ buf[0] = 0x70; /* fixed, current */
+ buf[2] = key;
+ buf[7] = 0xa;
+ buf[12] = asc;
+ buf[13] = ascq;
+ }
+}
+EXPORT_SYMBOL(scsi_build_sense_buffer);
+
+/**
+ * scsi_set_sense_information - set the information field in a
+ * formatted sense data buffer
+ * @buf: Where to build sense data
+ * @buf_len: buffer length
+ * @info: 64-bit information value to be set
+ *
+ * Return value:
+ * 0 on success or EINVAL for invalid sense buffer length
+ **/
+int scsi_set_sense_information(u8 *buf, int buf_len, u64 info)
+{
+ if ((buf[0] & 0x7f) == 0x72) {
+ u8 *ucp, len;
+
+ len = buf[7];
+ ucp = (char *)scsi_sense_desc_find(buf, len + 8, 0);
+ if (!ucp) {
+ buf[7] = len + 0xc;
+ ucp = buf + 8 + len;
+ }
+
+ if (buf_len < len + 0xc)
+ /* Not enough room for info */
+ return -EINVAL;
+
+ ucp[0] = 0;
+ ucp[1] = 0xa;
+ ucp[2] = 0x80; /* Valid bit */
+ ucp[3] = 0;
+ put_unaligned_be64(info, &ucp[4]);
+ } else if ((buf[0] & 0x7f) == 0x70) {
+ buf[0] |= 0x80;
+ put_unaligned_be64(info, &buf[3]);
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(scsi_set_sense_information);
#include <scsi/scsi_device.h>
#include <scsi/scsi_driver.h>
#include <scsi/scsi_eh.h>
+#include <scsi/scsi_common.h>
#include <scsi/scsi_transport.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_ioctl.h>
}
EXPORT_SYMBOL(scsi_command_normalize_sense);
-/**
- * scsi_sense_desc_find - search for a given descriptor type in descriptor sense data format.
- * @sense_buffer: byte array of descriptor format sense data
- * @sb_len: number of valid bytes in sense_buffer
- * @desc_type: value of descriptor type to find
- * (e.g. 0 -> information)
- *
- * Notes:
- * only valid when sense data is in descriptor format
- *
- * Return value:
- * pointer to start of (first) descriptor if found else NULL
- */
-const u8 * scsi_sense_desc_find(const u8 * sense_buffer, int sb_len,
- int desc_type)
-{
- int add_sen_len, add_len, desc_len, k;
- const u8 * descp;
-
- if ((sb_len < 8) || (0 == (add_sen_len = sense_buffer[7])))
- return NULL;
- if ((sense_buffer[0] < 0x72) || (sense_buffer[0] > 0x73))
- return NULL;
- add_sen_len = (add_sen_len < (sb_len - 8)) ?
- add_sen_len : (sb_len - 8);
- descp = &sense_buffer[8];
- for (desc_len = 0, k = 0; k < add_sen_len; k += desc_len) {
- descp += desc_len;
- add_len = (k < (add_sen_len - 1)) ? descp[1]: -1;
- desc_len = add_len + 2;
- if (descp[0] == desc_type)
- return descp;
- if (add_len < 0) // short descriptor ??
- break;
- }
- return NULL;
-}
-EXPORT_SYMBOL(scsi_sense_desc_find);
-
/**
* scsi_get_sense_info_fld - get information field from sense data (either fixed or descriptor format)
* @sense_buffer: byte array of sense data
}
}
EXPORT_SYMBOL(scsi_get_sense_info_fld);
-
-/**
- * scsi_build_sense_buffer - build sense data in a buffer
- * @desc: Sense format (non zero == descriptor format,
- * 0 == fixed format)
- * @buf: Where to build sense data
- * @key: Sense key
- * @asc: Additional sense code
- * @ascq: Additional sense code qualifier
- *
- **/
-void scsi_build_sense_buffer(int desc, u8 *buf, u8 key, u8 asc, u8 ascq)
-{
- if (desc) {
- buf[0] = 0x72; /* descriptor, current */
- buf[1] = key;
- buf[2] = asc;
- buf[3] = ascq;
- buf[7] = 0;
- } else {
- buf[0] = 0x70; /* fixed, current */
- buf[2] = key;
- buf[7] = 0xa;
- buf[12] = asc;
- buf[13] = ascq;
- }
-}
-EXPORT_SYMBOL(scsi_build_sense_buffer);
}
bool iscsit_check_np_match(
- struct __kernel_sockaddr_storage *sockaddr,
+ struct sockaddr_storage *sockaddr,
struct iscsi_np *np,
int network_transport)
{
struct sockaddr_in *sock_in, *sock_in_e;
struct sockaddr_in6 *sock_in6, *sock_in6_e;
bool ip_match = false;
- u16 port;
+ u16 port, port_e;
if (sockaddr->ss_family == AF_INET6) {
sock_in6 = (struct sockaddr_in6 *)sockaddr;
ip_match = true;
port = ntohs(sock_in6->sin6_port);
+ port_e = ntohs(sock_in6_e->sin6_port);
} else {
sock_in = (struct sockaddr_in *)sockaddr;
sock_in_e = (struct sockaddr_in *)&np->np_sockaddr;
ip_match = true;
port = ntohs(sock_in->sin_port);
+ port_e = ntohs(sock_in_e->sin_port);
}
- if (ip_match && (np->np_port == port) &&
+ if (ip_match && (port_e == port) &&
(np->np_network_transport == network_transport))
return true;
* Called with mutex np_lock held
*/
static struct iscsi_np *iscsit_get_np(
- struct __kernel_sockaddr_storage *sockaddr,
+ struct sockaddr_storage *sockaddr,
int network_transport)
{
struct iscsi_np *np;
}
struct iscsi_np *iscsit_add_np(
- struct __kernel_sockaddr_storage *sockaddr,
- char *ip_str,
+ struct sockaddr_storage *sockaddr,
int network_transport)
{
- struct sockaddr_in *sock_in;
- struct sockaddr_in6 *sock_in6;
struct iscsi_np *np;
int ret;
}
np->np_flags |= NPF_IP_NETWORK;
- if (sockaddr->ss_family == AF_INET6) {
- sock_in6 = (struct sockaddr_in6 *)sockaddr;
- snprintf(np->np_ip, IPV6_ADDRESS_SPACE, "%s", ip_str);
- np->np_port = ntohs(sock_in6->sin6_port);
- } else {
- sock_in = (struct sockaddr_in *)sockaddr;
- sprintf(np->np_ip, "%s", ip_str);
- np->np_port = ntohs(sock_in->sin_port);
- }
-
np->np_network_transport = network_transport;
spin_lock_init(&np->np_thread_lock);
init_completion(&np->np_restart_comp);
list_add_tail(&np->np_list, &g_np_list);
mutex_unlock(&np_lock);
- pr_debug("CORE[0] - Added Network Portal: %s:%hu on %s\n",
- np->np_ip, np->np_port, np->np_transport->name);
+ pr_debug("CORE[0] - Added Network Portal: %pISpc on %s\n",
+ &np->np_sockaddr, np->np_transport->name);
return np;
}
list_del(&np->np_list);
mutex_unlock(&np_lock);
- pr_debug("CORE[0] - Removed Network Portal: %s:%hu on %s\n",
- np->np_ip, np->np_port, np->np_transport->name);
+ pr_debug("CORE[0] - Removed Network Portal: %pISpc on %s\n",
+ &np->np_sockaddr, np->np_transport->name);
iscsit_put_transport(np->np_transport);
kfree(np);
u8 *pad_bytes)
{
u32 data_crc;
- u32 i;
struct scatterlist *sg;
unsigned int page_off;
sg = cmd->first_data_sg;
page_off = cmd->first_data_sg_off;
- i = 0;
while (data_length) {
- u32 cur_len = min_t(u32, data_length, (sg[i].length - page_off));
+ u32 cur_len = min_t(u32, data_length, (sg->length - page_off));
- crypto_hash_update(hash, &sg[i], cur_len);
+ crypto_hash_update(hash, sg, cur_len);
data_length -= cur_len;
page_off = 0;
- i++;
+ /* iscsit_map_iovec has already checked for invalid sg pointers */
+ sg = sg_next(sg);
}
if (padding) {
cmd->stat_sn = conn->stat_sn++;
hdr->statsn = cpu_to_be32(cmd->stat_sn);
hdr->exp_cmdsn = cpu_to_be32(conn->sess->exp_cmd_sn);
- hdr->max_cmdsn = cpu_to_be32(conn->sess->max_cmd_sn);
+ hdr->max_cmdsn = cpu_to_be32((u32) atomic_read(&conn->sess->max_cmd_sn));
hdr->async_event = ISCSI_ASYNC_MSG_DROPPING_CONNECTION;
hdr->param1 = cpu_to_be16(cmd->logout_cid);
hdr->param2 = cpu_to_be16(conn->sess->sess_ops->DefaultTime2Wait);
hdr->statsn = cpu_to_be32(0xFFFFFFFF);
hdr->exp_cmdsn = cpu_to_be32(conn->sess->exp_cmd_sn);
- hdr->max_cmdsn = cpu_to_be32(conn->sess->max_cmd_sn);
+ hdr->max_cmdsn = cpu_to_be32((u32) atomic_read(&conn->sess->max_cmd_sn));
hdr->datasn = cpu_to_be32(datain->data_sn);
hdr->offset = cpu_to_be32(datain->offset);
iscsit_increment_maxcmdsn(cmd, conn->sess);
hdr->exp_cmdsn = cpu_to_be32(conn->sess->exp_cmd_sn);
- hdr->max_cmdsn = cpu_to_be32(conn->sess->max_cmd_sn);
+ hdr->max_cmdsn = cpu_to_be32((u32) atomic_read(&conn->sess->max_cmd_sn));
pr_debug("Built Logout Response ITT: 0x%08x StatSN:"
" 0x%08x Response: 0x%02x CID: %hu on CID: %hu\n",
iscsit_increment_maxcmdsn(cmd, conn->sess);
hdr->exp_cmdsn = cpu_to_be32(conn->sess->exp_cmd_sn);
- hdr->max_cmdsn = cpu_to_be32(conn->sess->max_cmd_sn);
+ hdr->max_cmdsn = cpu_to_be32((u32) atomic_read(&conn->sess->max_cmd_sn));
pr_debug("Built NOPIN %s Response ITT: 0x%08x, TTT: 0x%08x,"
" StatSN: 0x%08x, Length %u\n", (nopout_response) ?
hdr->ttt = cpu_to_be32(r2t->targ_xfer_tag);
hdr->statsn = cpu_to_be32(conn->stat_sn);
hdr->exp_cmdsn = cpu_to_be32(conn->sess->exp_cmd_sn);
- hdr->max_cmdsn = cpu_to_be32(conn->sess->max_cmd_sn);
+ hdr->max_cmdsn = cpu_to_be32((u32) atomic_read(&conn->sess->max_cmd_sn));
hdr->r2tsn = cpu_to_be32(r2t->r2t_sn);
hdr->data_offset = cpu_to_be32(r2t->offset);
hdr->data_length = cpu_to_be32(r2t->xfer_len);
iscsit_increment_maxcmdsn(cmd, conn->sess);
hdr->exp_cmdsn = cpu_to_be32(conn->sess->exp_cmd_sn);
- hdr->max_cmdsn = cpu_to_be32(conn->sess->max_cmd_sn);
+ hdr->max_cmdsn = cpu_to_be32((u32) atomic_read(&conn->sess->max_cmd_sn));
pr_debug("Built SCSI Response, ITT: 0x%08x, StatSN: 0x%08x,"
" Response: 0x%02x, SAM Status: 0x%02x, CID: %hu\n",
iscsit_increment_maxcmdsn(cmd, conn->sess);
hdr->exp_cmdsn = cpu_to_be32(conn->sess->exp_cmd_sn);
- hdr->max_cmdsn = cpu_to_be32(conn->sess->max_cmd_sn);
+ hdr->max_cmdsn = cpu_to_be32((u32) atomic_read(&conn->sess->max_cmd_sn));
pr_debug("Built Task Management Response ITT: 0x%08x,"
" StatSN: 0x%08x, Response: 0x%02x, CID: %hu\n",
int target_name_printed;
unsigned char buf[ISCSI_IQN_LEN+12]; /* iqn + "TargetName=" + \0 */
unsigned char *text_in = cmd->text_in_ptr, *text_ptr = NULL;
+ bool active;
buffer_len = min(conn->conn_ops->MaxRecvDataSegmentLength,
SENDTARGETS_BUF_LIMIT);
}
spin_lock(&tpg->tpg_state_lock);
- if ((tpg->tpg_state == TPG_STATE_FREE) ||
- (tpg->tpg_state == TPG_STATE_INACTIVE)) {
- spin_unlock(&tpg->tpg_state_lock);
- continue;
- }
+ active = (tpg->tpg_state == TPG_STATE_ACTIVE);
spin_unlock(&tpg->tpg_state_lock);
+ if (!active && tpg->tpg_attrib.tpg_enabled_sendtargets)
+ continue;
+
spin_lock(&tpg->tpg_np_lock);
list_for_each_entry(tpg_np, &tpg->tpg_gnp_list,
tpg_np_list) {
struct iscsi_np *np = tpg_np->tpg_np;
bool inaddr_any = iscsit_check_inaddr_any(np);
- char *fmt_str;
+ struct sockaddr_storage *sockaddr;
if (np->np_network_transport != network_transport)
continue;
}
}
- if (np->np_sockaddr.ss_family == AF_INET6)
- fmt_str = "TargetAddress=[%s]:%hu,%hu";
+ if (inaddr_any)
+ sockaddr = &conn->local_sockaddr;
else
- fmt_str = "TargetAddress=%s:%hu,%hu";
+ sockaddr = &np->np_sockaddr;
- len = sprintf(buf, fmt_str,
- inaddr_any ? conn->local_ip : np->np_ip,
- np->np_port,
- tpg->tpgt);
+ len = sprintf(buf, "TargetAddress="
+ "%pISpc,%hu",
+ sockaddr,
+ tpg->tpgt);
len += 1;
if ((len + payload_len) > buffer_len) {
*/
cmd->maxcmdsn_inc = 0;
hdr->exp_cmdsn = cpu_to_be32(conn->sess->exp_cmd_sn);
- hdr->max_cmdsn = cpu_to_be32(conn->sess->max_cmd_sn);
+ hdr->max_cmdsn = cpu_to_be32((u32) atomic_read(&conn->sess->max_cmd_sn));
pr_debug("Built Text Response: ITT: 0x%08x, TTT: 0x%08x, StatSN: 0x%08x,"
" Length: %u, CID: %hu F: %d C: %d\n", cmd->init_task_tag,
cmd->stat_sn = conn->stat_sn++;
hdr->statsn = cpu_to_be32(cmd->stat_sn);
hdr->exp_cmdsn = cpu_to_be32(conn->sess->exp_cmd_sn);
- hdr->max_cmdsn = cpu_to_be32(conn->sess->max_cmd_sn);
+ hdr->max_cmdsn = cpu_to_be32((u32) atomic_read(&conn->sess->max_cmd_sn));
}
EXPORT_SYMBOL(iscsit_build_reject);
extern void iscsit_login_kref_put(struct kref *);
extern int iscsit_deaccess_np(struct iscsi_np *, struct iscsi_portal_group *,
struct iscsi_tpg_np *);
-extern bool iscsit_check_np_match(struct __kernel_sockaddr_storage *,
+extern bool iscsit_check_np_match(struct sockaddr_storage *,
struct iscsi_np *, int);
-extern struct iscsi_np *iscsit_add_np(struct __kernel_sockaddr_storage *,
- char *, int);
+extern struct iscsi_np *iscsit_add_np(struct sockaddr_storage *,
+ int);
extern int iscsit_reset_np_thread(struct iscsi_np *, struct iscsi_tpg_np *,
struct iscsi_portal_group *, bool);
extern int iscsit_del_np(struct iscsi_np *);
* Use existing np->np_sockaddr for SCTP network portal reference
*/
tpg_np_sctp = iscsit_tpg_add_network_portal(tpg, &np->np_sockaddr,
- np->np_ip, tpg_np, ISCSI_SCTP_TCP);
+ tpg_np, ISCSI_SCTP_TCP);
if (!tpg_np_sctp || IS_ERR(tpg_np_sctp))
goto out;
} else {
}
tpg_np_iser = iscsit_tpg_add_network_portal(tpg, &np->np_sockaddr,
- np->np_ip, tpg_np, ISCSI_INFINIBAND);
+ tpg_np, ISCSI_INFINIBAND);
if (IS_ERR(tpg_np_iser)) {
rc = PTR_ERR(tpg_np_iser);
goto out;
struct iscsi_portal_group *tpg;
struct iscsi_tpg_np *tpg_np;
char *str, *str2, *ip_str, *port_str;
- struct __kernel_sockaddr_storage sockaddr;
+ struct sockaddr_storage sockaddr;
struct sockaddr_in *sock_in;
struct sockaddr_in6 *sock_in6;
unsigned long port;
memset(buf, 0, MAX_PORTAL_LEN + 1);
snprintf(buf, MAX_PORTAL_LEN + 1, "%s", name);
- memset(&sockaddr, 0, sizeof(struct __kernel_sockaddr_storage));
+ memset(&sockaddr, 0, sizeof(struct sockaddr_storage));
str = strstr(buf, "[");
if (str) {
return ERR_PTR(-EINVAL);
}
str++; /* Skip over leading "[" */
- *str2 = '\0'; /* Terminate the IPv6 address */
- str2++; /* Skip over the "]" */
+ *str2 = '\0'; /* Terminate the unbracketed IPv6 address */
+ str2++; /* Skip over the \0 */
port_str = strstr(str2, ":");
if (!port_str) {
pr_err("Unable to locate \":port\""
sock_in6 = (struct sockaddr_in6 *)&sockaddr;
sock_in6->sin6_family = AF_INET6;
sock_in6->sin6_port = htons((unsigned short)port);
- ret = in6_pton(str, IPV6_ADDRESS_SPACE,
+ ret = in6_pton(str, -1,
(void *)&sock_in6->sin6_addr.in6_u, -1, &end);
if (ret <= 0) {
pr_err("in6_pton returned: %d\n", ret);
* sys/kernel/config/iscsi/$IQN/$TPG/np/$IP:$PORT/
*
*/
- tpg_np = iscsit_tpg_add_network_portal(tpg, &sockaddr, str, NULL,
+ tpg_np = iscsit_tpg_add_network_portal(tpg, &sockaddr, NULL,
ISCSI_TCP);
if (IS_ERR(tpg_np)) {
iscsit_put_tpg(tpg);
se_tpg = &tpg->tpg_se_tpg;
pr_debug("LIO_Target_ConfigFS: DEREGISTER -> %s TPGT: %hu"
- " PORTAL: %s:%hu\n", config_item_name(&se_tpg->se_tpg_wwn->wwn_group.cg_item),
- tpg->tpgt, tpg_np->tpg_np->np_ip, tpg_np->tpg_np->np_port);
+ " PORTAL: %pISpc\n", config_item_name(&se_tpg->se_tpg_wwn->wwn_group.cg_item),
+ tpg->tpgt, &tpg_np->tpg_np->np_sockaddr);
ret = iscsit_tpg_del_network_portal(tpg, tpg_np);
if (ret < 0)
struct iscsi_conn *conn;
struct se_session *se_sess;
ssize_t rb = 0;
+ u32 max_cmd_sn;
spin_lock_bh(&se_nacl->nacl_sess_lock);
se_sess = se_nacl->nacl_sess;
" Values]-----------------------\n");
rb += sprintf(page+rb, " CmdSN/WR : CmdSN/WC : ExpCmdSN"
" : MaxCmdSN : ITT : TTT\n");
+ max_cmd_sn = (u32) atomic_read(&sess->max_cmd_sn);
rb += sprintf(page+rb, " 0x%08x 0x%08x 0x%08x 0x%08x"
" 0x%08x 0x%08x\n",
sess->cmdsn_window,
- (sess->max_cmd_sn - sess->exp_cmd_sn) + 1,
- sess->exp_cmd_sn, sess->max_cmd_sn,
+ (max_cmd_sn - sess->exp_cmd_sn) + 1,
+ sess->exp_cmd_sn, max_cmd_sn,
sess->init_task_tag, sess->targ_xfer_tag);
rb += sprintf(page+rb, "----------------------[iSCSI"
" Connections]-------------------------\n");
break;
}
- rb += sprintf(page+rb, " Address %s %s", conn->login_ip,
+ rb += sprintf(page+rb, " Address %pISc %s", &conn->login_sockaddr,
(conn->network_transport == ISCSI_TCP) ?
"TCP" : "SCTP");
rb += sprintf(page+rb, " StatSN: 0x%08x\n",
*/
DEF_TPG_ATTRIB(fabric_prot_type);
TPG_ATTR(fabric_prot_type, S_IRUGO | S_IWUSR);
+/*
+ * Define iscsi_tpg_attrib_s_tpg_enabled_sendtargets
+ */
+DEF_TPG_ATTRIB(tpg_enabled_sendtargets);
+TPG_ATTR(tpg_enabled_sendtargets, S_IRUGO | S_IWUSR);
static struct configfs_attribute *lio_target_tpg_attrib_attrs[] = {
&iscsi_tpg_attrib_authentication.attr,
&iscsi_tpg_attrib_default_erl.attr,
&iscsi_tpg_attrib_t10_pi.attr,
&iscsi_tpg_attrib_fabric_prot_type.attr,
+ &iscsi_tpg_attrib_tpg_enabled_sendtargets.attr,
NULL,
};
* core_set_queue_depth_for_node().
*/
sess->cmdsn_window = se_nacl->queue_depth;
- sess->max_cmd_sn = (sess->max_cmd_sn + se_nacl->queue_depth) - 1;
+ atomic_add(se_nacl->queue_depth - 1, &sess->max_cmd_sn);
}
void iscsit_increment_maxcmdsn(struct iscsi_cmd *cmd, struct iscsi_session *sess)
{
+ u32 max_cmd_sn;
+
if (cmd->immediate_cmd || cmd->maxcmdsn_inc)
return;
cmd->maxcmdsn_inc = 1;
- mutex_lock(&sess->cmdsn_mutex);
- sess->max_cmd_sn += 1;
- pr_debug("Updated MaxCmdSN to 0x%08x\n", sess->max_cmd_sn);
- mutex_unlock(&sess->cmdsn_mutex);
+ max_cmd_sn = atomic_inc_return(&sess->max_cmd_sn);
+ pr_debug("Updated MaxCmdSN to 0x%08x\n", max_cmd_sn);
}
EXPORT_SYMBOL(iscsit_increment_maxcmdsn);
* The FFP CmdSN window values will be allocated from the TPG's
* Initiator Node's ACL once the login has been successfully completed.
*/
- sess->max_cmd_sn = be32_to_cpu(pdu->cmdsn);
+ atomic_set(&sess->max_cmd_sn, be32_to_cpu(pdu->cmdsn));
sess->sess_ops = kzalloc(sizeof(struct iscsi_sess_ops), GFP_KERNEL);
if (!sess->sess_ops) {
stop_timer = 1;
}
- pr_debug("iSCSI Login successful on CID: %hu from %s to"
- " %s:%hu,%hu\n", conn->cid, conn->login_ip,
- conn->local_ip, conn->local_port, tpg->tpgt);
+ pr_debug("iSCSI Login successful on CID: %hu from %pISpc to"
+ " %pISpc,%hu\n", conn->cid, &conn->login_sockaddr,
+ &conn->local_sockaddr, tpg->tpgt);
list_add_tail(&conn->conn_list, &sess->sess_conn_list);
atomic_inc(&sess->nconn);
pr_debug("Moving to TARG_SESS_STATE_LOGGED_IN.\n");
sess->session_state = TARG_SESS_STATE_LOGGED_IN;
- pr_debug("iSCSI Login successful on CID: %hu from %s to %s:%hu,%hu\n",
- conn->cid, conn->login_ip, conn->local_ip, conn->local_port,
+ pr_debug("iSCSI Login successful on CID: %hu from %pISpc to %pISpc,%hu\n",
+ conn->cid, &conn->login_sockaddr, &conn->local_sockaddr,
tpg->tpgt);
spin_lock_bh(&sess->conn_lock);
struct iscsi_np *np = (struct iscsi_np *) data;
spin_lock_bh(&np->np_thread_lock);
- pr_err("iSCSI Login timeout on Network Portal %s:%hu\n",
- np->np_ip, np->np_port);
+ pr_err("iSCSI Login timeout on Network Portal %pISpc\n",
+ &np->np_sockaddr);
if (np->np_login_timer_flags & ISCSI_TF_STOP) {
spin_unlock_bh(&np->np_thread_lock);
int iscsit_setup_np(
struct iscsi_np *np,
- struct __kernel_sockaddr_storage *sockaddr)
+ struct sockaddr_storage *sockaddr)
{
struct socket *sock = NULL;
int backlog = ISCSIT_TCP_BACKLOG, ret, opt = 0, len;
* in iscsi_target_configfs.c code..
*/
memcpy(&np->np_sockaddr, sockaddr,
- sizeof(struct __kernel_sockaddr_storage));
+ sizeof(struct sockaddr_storage));
if (sockaddr->ss_family == AF_INET6)
len = sizeof(struct sockaddr_in6);
int iscsi_target_setup_login_socket(
struct iscsi_np *np,
- struct __kernel_sockaddr_storage *sockaddr)
+ struct sockaddr_storage *sockaddr)
{
struct iscsit_transport *t;
int rc;
rc = conn->sock->ops->getname(conn->sock,
(struct sockaddr *)&sock_in6, &err, 1);
if (!rc) {
- if (!ipv6_addr_v4mapped(&sock_in6.sin6_addr))
- snprintf(conn->login_ip, sizeof(conn->login_ip), "[%pI6c]",
- &sock_in6.sin6_addr.in6_u);
- else
- snprintf(conn->login_ip, sizeof(conn->login_ip), "%pI4",
- &sock_in6.sin6_addr.s6_addr32[3]);
- conn->login_port = ntohs(sock_in6.sin6_port);
+ if (!ipv6_addr_v4mapped(&sock_in6.sin6_addr)) {
+ memcpy(&conn->login_sockaddr, &sock_in6, sizeof(sock_in6));
+ } else {
+ /* Pretend to be an ipv4 socket */
+ sock_in.sin_family = AF_INET;
+ sock_in.sin_port = sock_in6.sin6_port;
+ memcpy(&sock_in.sin_addr, &sock_in6.sin6_addr.s6_addr32[3], 4);
+ memcpy(&conn->login_sockaddr, &sock_in, sizeof(sock_in));
+ }
}
rc = conn->sock->ops->getname(conn->sock,
(struct sockaddr *)&sock_in6, &err, 0);
if (!rc) {
- if (!ipv6_addr_v4mapped(&sock_in6.sin6_addr))
- snprintf(conn->local_ip, sizeof(conn->local_ip), "[%pI6c]",
- &sock_in6.sin6_addr.in6_u);
- else
- snprintf(conn->local_ip, sizeof(conn->local_ip), "%pI4",
- &sock_in6.sin6_addr.s6_addr32[3]);
- conn->local_port = ntohs(sock_in6.sin6_port);
+ if (!ipv6_addr_v4mapped(&sock_in6.sin6_addr)) {
+ memcpy(&conn->local_sockaddr, &sock_in6, sizeof(sock_in6));
+ } else {
+ /* Pretend to be an ipv4 socket */
+ sock_in.sin_family = AF_INET;
+ sock_in.sin_port = sock_in6.sin6_port;
+ memcpy(&sock_in.sin_addr, &sock_in6.sin6_addr.s6_addr32[3], 4);
+ memcpy(&conn->local_sockaddr, &sock_in, sizeof(sock_in));
+ }
}
} else {
memset(&sock_in, 0, sizeof(struct sockaddr_in));
rc = conn->sock->ops->getname(conn->sock,
(struct sockaddr *)&sock_in, &err, 1);
- if (!rc) {
- sprintf(conn->login_ip, "%pI4",
- &sock_in.sin_addr.s_addr);
- conn->login_port = ntohs(sock_in.sin_port);
- }
+ if (!rc)
+ memcpy(&conn->login_sockaddr, &sock_in, sizeof(sock_in));
rc = conn->sock->ops->getname(conn->sock,
(struct sockaddr *)&sock_in, &err, 0);
- if (!rc) {
- sprintf(conn->local_ip, "%pI4",
- &sock_in.sin_addr.s_addr);
- conn->local_port = ntohs(sock_in.sin_port);
- }
+ if (!rc)
+ memcpy(&conn->local_sockaddr, &sock_in, sizeof(sock_in));
}
return 0;
spin_lock_bh(&np->np_thread_lock);
if (np->np_thread_state != ISCSI_NP_THREAD_ACTIVE) {
spin_unlock_bh(&np->np_thread_lock);
- pr_err("iSCSI Network Portal on %s:%hu currently not"
- " active.\n", np->np_ip, np->np_port);
+ pr_err("iSCSI Network Portal on %pISpc currently not"
+ " active.\n", &np->np_sockaddr);
iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
ISCSI_LOGIN_STATUS_SVC_UNAVAILABLE);
goto new_sess_out;
conn->network_transport = np->np_network_transport;
- pr_debug("Received iSCSI login request from %s on %s Network"
- " Portal %s:%hu\n", conn->login_ip, np->np_transport->name,
- conn->local_ip, conn->local_port);
+ pr_debug("Received iSCSI login request from %pISpc on %s Network"
+ " Portal %pISpc\n", &conn->login_sockaddr, np->np_transport->name,
+ &conn->local_sockaddr);
pr_debug("Moving to TARG_CONN_STATE_IN_LOGIN.\n");
conn->conn_state = TARG_CONN_STATE_IN_LOGIN;
extern int iscsi_check_for_session_reinstatement(struct iscsi_conn *);
extern int iscsi_login_post_auth_non_zero_tsih(struct iscsi_conn *, u16, u32);
extern int iscsit_setup_np(struct iscsi_np *,
- struct __kernel_sockaddr_storage *);
+ struct sockaddr_storage *);
extern int iscsi_target_setup_login_socket(struct iscsi_np *,
- struct __kernel_sockaddr_storage *);
+ struct sockaddr_storage *);
extern int iscsit_accept_np(struct iscsi_np *, struct iscsi_conn *);
extern int iscsit_get_login_rx(struct iscsi_conn *, struct iscsi_login *);
extern int iscsit_put_login_tx(struct iscsi_conn *, struct iscsi_login *, u32);
static int iscsi_target_do_tx_login_io(struct iscsi_conn *conn, struct iscsi_login *login)
{
u32 padding = 0;
- struct iscsi_session *sess = conn->sess;
struct iscsi_login_rsp *login_rsp;
login_rsp = (struct iscsi_login_rsp *) login->rsp;
login_rsp->itt = login->init_task_tag;
login_rsp->statsn = cpu_to_be32(conn->stat_sn++);
login_rsp->exp_cmdsn = cpu_to_be32(conn->sess->exp_cmd_sn);
- login_rsp->max_cmdsn = cpu_to_be32(conn->sess->max_cmd_sn);
+ login_rsp->max_cmdsn = cpu_to_be32((u32) atomic_read(&conn->sess->max_cmd_sn));
pr_debug("Sending Login Response, Flags: 0x%02x, ITT: 0x%08x,"
" ExpCmdSN; 0x%08x, MaxCmdSN: 0x%08x, StatSN: 0x%08x, Length:"
goto err;
login->rsp_length = 0;
- mutex_lock(&sess->cmdsn_mutex);
- login_rsp->exp_cmdsn = cpu_to_be32(sess->exp_cmd_sn);
- login_rsp->max_cmdsn = cpu_to_be32(sess->max_cmd_sn);
- mutex_unlock(&sess->cmdsn_mutex);
return 0;
int ret;
spin_lock(&lstat->lock);
- ret = snprintf(page, PAGE_SIZE, "%s\n", lstat->last_intr_fail_ip_addr);
+ ret = snprintf(page, PAGE_SIZE, "%pISc\n", &lstat->last_intr_fail_sockaddr);
spin_unlock(&lstat->lock);
return ret;
pr_err("Unable to locate RefTaskTag: 0x%08x on CID:"
" %hu.\n", hdr->rtt, conn->cid);
return (iscsi_sna_gte(be32_to_cpu(hdr->refcmdsn), conn->sess->exp_cmd_sn) &&
- iscsi_sna_lte(be32_to_cpu(hdr->refcmdsn), conn->sess->max_cmd_sn)) ?
+ iscsi_sna_lte(be32_to_cpu(hdr->refcmdsn), (u32) atomic_read(&conn->sess->max_cmd_sn))) ?
ISCSI_TMF_RSP_COMPLETE : ISCSI_TMF_RSP_NO_TASK;
}
if (ref_cmd->cmd_sn != be32_to_cpu(hdr->refcmdsn)) {
a->default_erl = TA_DEFAULT_ERL;
a->t10_pi = TA_DEFAULT_T10_PI;
a->fabric_prot_type = TA_DEFAULT_FABRIC_PROT_TYPE;
+ a->tpg_enabled_sendtargets = TA_DEFAULT_TPG_ENABLED_SENDTARGETS;
}
int iscsit_tpg_add_portal_group(struct iscsi_tiqn *tiqn, struct iscsi_portal_group *tpg)
static bool iscsit_tpg_check_network_portal(
struct iscsi_tiqn *tiqn,
- struct __kernel_sockaddr_storage *sockaddr,
+ struct sockaddr_storage *sockaddr,
int network_transport)
{
struct iscsi_portal_group *tpg;
struct iscsi_tpg_np *iscsit_tpg_add_network_portal(
struct iscsi_portal_group *tpg,
- struct __kernel_sockaddr_storage *sockaddr,
- char *ip_str,
+ struct sockaddr_storage *sockaddr,
struct iscsi_tpg_np *tpg_np_parent,
int network_transport)
{
if (!tpg_np_parent) {
if (iscsit_tpg_check_network_portal(tpg->tpg_tiqn, sockaddr,
network_transport)) {
- pr_err("Network Portal: %s already exists on a"
- " different TPG on %s\n", ip_str,
+ pr_err("Network Portal: %pISc already exists on a"
+ " different TPG on %s\n", sockaddr,
tpg->tpg_tiqn->tiqn);
return ERR_PTR(-EEXIST);
}
return ERR_PTR(-ENOMEM);
}
- np = iscsit_add_np(sockaddr, ip_str, network_transport);
+ np = iscsit_add_np(sockaddr, network_transport);
if (IS_ERR(np)) {
kfree(tpg_np);
return ERR_CAST(np);
spin_unlock(&tpg_np_parent->tpg_np_parent_lock);
}
- pr_debug("CORE[%s] - Added Network Portal: %s:%hu,%hu on %s\n",
- tpg->tpg_tiqn->tiqn, np->np_ip, np->np_port, tpg->tpgt,
+ pr_debug("CORE[%s] - Added Network Portal: %pISpc,%hu on %s\n",
+ tpg->tpg_tiqn->tiqn, &np->np_sockaddr, tpg->tpgt,
np->np_transport->name);
return tpg_np;
{
iscsit_clear_tpg_np_login_thread(tpg_np, tpg, true);
- pr_debug("CORE[%s] - Removed Network Portal: %s:%hu,%hu on %s\n",
- tpg->tpg_tiqn->tiqn, np->np_ip, np->np_port, tpg->tpgt,
+ pr_debug("CORE[%s] - Removed Network Portal: %pISpc,%hu on %s\n",
+ tpg->tpg_tiqn->tiqn, &np->np_sockaddr, tpg->tpgt,
np->np_transport->name);
tpg_np->tpg_np = NULL;
return 0;
}
+
+int iscsit_ta_tpg_enabled_sendtargets(
+ struct iscsi_portal_group *tpg,
+ u32 flag)
+{
+ struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
+
+ if ((flag != 0) && (flag != 1)) {
+ pr_err("Illegal value %d\n", flag);
+ return -EINVAL;
+ }
+
+ a->tpg_enabled_sendtargets = flag;
+ pr_debug("iSCSI_TPG[%hu] - TPG enabled bit required for SendTargets:"
+ " %s\n", tpg->tpgt, (a->tpg_enabled_sendtargets) ? "ON" : "OFF");
+
+ return 0;
+}
extern void iscsit_tpg_del_external_nps(struct iscsi_tpg_np *);
extern struct iscsi_tpg_np *iscsit_tpg_locate_child_np(struct iscsi_tpg_np *, int);
extern struct iscsi_tpg_np *iscsit_tpg_add_network_portal(struct iscsi_portal_group *,
- struct __kernel_sockaddr_storage *, char *, struct iscsi_tpg_np *,
+ struct sockaddr_storage *, struct iscsi_tpg_np *,
int);
extern int iscsit_tpg_del_network_portal(struct iscsi_portal_group *,
struct iscsi_tpg_np *);
extern int iscsit_ta_default_erl(struct iscsi_portal_group *, u32);
extern int iscsit_ta_t10_pi(struct iscsi_portal_group *, u32);
extern int iscsit_ta_fabric_prot_type(struct iscsi_portal_group *, u32);
+extern int iscsit_ta_tpg_enabled_sendtargets(struct iscsi_portal_group *, u32);
#endif /* ISCSI_TARGET_TPG_H */
static inline int iscsit_check_received_cmdsn(struct iscsi_session *sess, u32 cmdsn)
{
+ u32 max_cmdsn;
int ret;
/*
* or order CmdSNs due to multiple connection sessions and/or
* CRC failures.
*/
- if (iscsi_sna_gt(cmdsn, sess->max_cmd_sn)) {
+ max_cmdsn = atomic_read(&sess->max_cmd_sn);
+ if (iscsi_sna_gt(cmdsn, max_cmdsn)) {
pr_err("Received CmdSN: 0x%08x is greater than"
- " MaxCmdSN: 0x%08x, ignoring.\n", cmdsn,
- sess->max_cmd_sn);
+ " MaxCmdSN: 0x%08x, ignoring.\n", cmdsn, max_cmdsn);
ret = CMDSN_MAXCMDSN_OVERRUN;
} else if (cmdsn == sess->exp_cmd_sn) {
return iscsit_do_tx_data(conn, &c);
}
+static bool sockaddr_equal(struct sockaddr_storage *x, struct sockaddr_storage *y)
+{
+ switch (x->ss_family) {
+ case AF_INET: {
+ struct sockaddr_in *sinx = (struct sockaddr_in *)x;
+ struct sockaddr_in *siny = (struct sockaddr_in *)y;
+ if (sinx->sin_addr.s_addr != siny->sin_addr.s_addr)
+ return false;
+ if (sinx->sin_port != siny->sin_port)
+ return false;
+ break;
+ }
+ case AF_INET6: {
+ struct sockaddr_in6 *sinx = (struct sockaddr_in6 *)x;
+ struct sockaddr_in6 *siny = (struct sockaddr_in6 *)y;
+ if (!ipv6_addr_equal(&sinx->sin6_addr, &siny->sin6_addr))
+ return false;
+ if (sinx->sin6_port != siny->sin6_port)
+ return false;
+ break;
+ }
+ default:
+ return false;
+ }
+ return true;
+}
+
void iscsit_collect_login_stats(
struct iscsi_conn *conn,
u8 status_class,
ls = &tiqn->login_stats;
spin_lock(&ls->lock);
- if (!strcmp(conn->login_ip, ls->last_intr_fail_ip_addr) &&
+ if (sockaddr_equal(&conn->login_sockaddr, &ls->last_intr_fail_sockaddr) &&
((get_jiffies_64() - ls->last_fail_time) < 10)) {
/* We already have the failure info for this login */
spin_unlock(&ls->lock);
ls->last_intr_fail_ip_family = conn->login_family;
- snprintf(ls->last_intr_fail_ip_addr, IPV6_ADDRESS_SPACE,
- "%s", conn->login_ip);
+ ls->last_intr_fail_sockaddr = conn->login_sockaddr;
ls->last_fail_time = get_jiffies_64();
}
static char *tcm_loop_get_endpoint_wwn(struct se_portal_group *se_tpg)
{
/*
- * Return the passed NAA identifier for the SAS Target Port
+ * Return the passed NAA identifier for the Target Port
*/
return &tl_tpg(se_tpg)->tl_hba->tl_wwn_address[0];
}
transport_free_session(tl_nexus->se_sess);
goto out;
}
- /* Now, register the SAS I_T Nexus as active. */
+ /* Now, register the I_T Nexus as active. */
transport_register_session(se_tpg, tl_nexus->se_sess->se_node_acl,
tl_nexus->se_sess, tl_nexus);
tl_tpg->tl_nexus = tl_nexus;
" %s Initiator Port: %s\n", tcm_loop_dump_proto_id(tpg->tl_hba),
tl_nexus->se_sess->se_node_acl->initiatorname);
/*
- * Release the SCSI I_T Nexus to the emulated SAS Target Port
+ * Release the SCSI I_T Nexus to the emulated Target Port
*/
transport_deregister_session(tl_nexus->se_sess);
tpg->tl_nexus = NULL;
}
if (!strncmp(page, "offline", 7)) {
tl_tpg->tl_transport_status = TCM_TRANSPORT_OFFLINE;
+ if (tl_tpg->tl_nexus) {
+ struct se_session *tl_sess = tl_tpg->tl_nexus->se_sess;
+
+ core_allocate_nexus_loss_ua(tl_sess->se_node_acl);
+ }
return count;
}
return -EINVAL;
tl_tpg->tl_hba = tl_hba;
tl_tpg->tl_tpgt = tpgt;
/*
- * Register the tl_tpg as a emulated SAS TCM Target Endpoint
+ * Register the tl_tpg as a emulated TCM Target Endpoint
*/
ret = core_tpg_register(wwn, &tl_tpg->tl_se_tpg, tl_hba->tl_proto_id);
if (ret < 0)
tl_hba = tl_tpg->tl_hba;
tpgt = tl_tpg->tl_tpgt;
/*
- * Release the I_T Nexus for the Virtual SAS link if present
+ * Release the I_T Nexus for the Virtual target link if present
*/
tcm_loop_drop_nexus(tl_tpg);
/*
- * Deregister the tl_tpg as a emulated SAS TCM Target Endpoint
+ * Deregister the tl_tpg as a emulated TCM Target Endpoint
*/
core_tpg_deregister(se_tpg);
struct tcm_loop_hba, tl_hba_wwn);
pr_debug("TCM_Loop_ConfigFS: Deallocating emulated Target"
- " SAS Address: %s at Linux/SCSI Host ID: %d\n",
- tl_hba->tl_wwn_address, tl_hba->sh->host_no);
+ " %s Address: %s at Linux/SCSI Host ID: %d\n",
+ tcm_loop_dump_proto_id(tl_hba), tl_hba->tl_wwn_address,
+ tl_hba->sh->host_no);
/*
* Call device_unregister() on the original tl_hba->dev.
* tcm_loop_fabric_scsi.c:tcm_loop_release_adapter() will
lacl->mapped_lun = mapped_lun;
lacl->se_lun_nacl = nacl;
- snprintf(lacl->initiatorname, TRANSPORT_IQN_LEN, "%s",
- nacl->initiatorname);
return lacl;
}
" InitiatorNode: %s\n", tpg->se_tpg_tfo->get_fabric_name(),
tpg->se_tpg_tfo->tpg_get_tag(tpg), lun->unpacked_lun, lacl->mapped_lun,
(lun_access & TRANSPORT_LUNFLAGS_READ_WRITE) ? "RW" : "RO",
- lacl->initiatorname);
+ nacl->initiatorname);
/*
* Check to see if there are any existing persistent reservation APTPL
* pre-registrations that need to be enabled for this LUN ACL..
" InitiatorNode: %s Mapped LUN: %llu\n",
tpg->se_tpg_tfo->get_fabric_name(),
tpg->se_tpg_tfo->tpg_get_tag(tpg), lun->unpacked_lun,
- lacl->initiatorname, lacl->mapped_lun);
+ nacl->initiatorname, lacl->mapped_lun);
return 0;
}
" Mapped LUN: %llu\n", tpg->se_tpg_tfo->get_fabric_name(),
tpg->se_tpg_tfo->tpg_get_tag(tpg),
tpg->se_tpg_tfo->get_fabric_name(),
- lacl->initiatorname, lacl->mapped_lun);
+ lacl->se_lun_nacl->initiatorname, lacl->mapped_lun);
kfree(lacl);
}
dev->dev_link_magic = SE_DEV_LINK_MAGIC;
dev->se_hba = hba;
dev->transport = hba->backend->ops;
- dev->prot_length = sizeof(struct se_dif_v1_tuple);
+ dev->prot_length = sizeof(struct t10_pi_tuple);
dev->hba_index = hba->hba_index;
INIT_LIST_HEAD(&dev->dev_list);
spin_lock_init(&dev->se_tmr_lock);
spin_lock_init(&dev->qf_cmd_lock);
sema_init(&dev->caw_sem, 1);
- atomic_set(&dev->dev_ordered_id, 0);
INIT_LIST_HEAD(&dev->t10_wwn.t10_vpd_list);
spin_lock_init(&dev->t10_wwn.t10_vpd_lock);
INIT_LIST_HEAD(&dev->t10_pr.registration_list);
pr_debug("%s_ConfigFS: Changed Initiator ACL: %s"
" Mapped LUN: %llu Write Protect bit to %s\n",
se_tpg->se_tpg_tfo->get_fabric_name(),
- lacl->initiatorname, lacl->mapped_lun, (op) ? "ON" : "OFF");
+ se_nacl->initiatorname, lacl->mapped_lun, (op) ? "ON" : "OFF");
return count;
kfree(hba);
return 0;
}
+
+bool target_sense_desc_format(struct se_device *dev)
+{
+ return dev->transport->get_blocks(dev) > U32_MAX;
+}
return 0;
}
+static sense_reason_t
+sbc_emulate_startstop(struct se_cmd *cmd)
+{
+ unsigned char *cdb = cmd->t_task_cdb;
+
+ /*
+ * See sbc3r36 section 5.25
+ * Immediate bit should be set since there is nothing to complete
+ * POWER CONDITION MODIFIER 0h
+ */
+ if (!(cdb[1] & 1) || cdb[2] || cdb[3])
+ return TCM_INVALID_CDB_FIELD;
+
+ /*
+ * See sbc3r36 section 5.25
+ * POWER CONDITION 0h START_VALID - process START and LOEJ
+ */
+ if (cdb[4] >> 4 & 0xf)
+ return TCM_INVALID_CDB_FIELD;
+
+ /*
+ * See sbc3r36 section 5.25
+ * LOEJ 0h - nothing to load or unload
+ * START 1h - we are ready
+ */
+ if (!(cdb[4] & 1) || (cdb[4] & 2) || (cdb[4] & 4))
+ return TCM_INVALID_CDB_FIELD;
+
+ target_complete_cmd(cmd, SAM_STAT_GOOD);
+ return 0;
+}
+
sector_t sbc_get_write_same_sectors(struct se_cmd *cmd)
{
u32 num_blocks;
" than 1\n", sectors);
return TCM_INVALID_CDB_FIELD;
}
+ if (sbc_check_dpofua(dev, cmd, cdb))
+ return TCM_INVALID_CDB_FIELD;
+
/*
* Double size because we have two buffers, note that
* zero is not an error..
size = 0;
cmd->execute_cmd = sbc_emulate_noop;
break;
+ case START_STOP:
+ size = 0;
+ cmd->execute_cmd = sbc_emulate_startstop;
+ break;
default:
ret = spc_parse_cdb(cmd, &size);
if (ret)
sbc_dif_generate(struct se_cmd *cmd)
{
struct se_device *dev = cmd->se_dev;
- struct se_dif_v1_tuple *sdt;
+ struct t10_pi_tuple *sdt;
struct scatterlist *dsg = cmd->t_data_sg, *psg;
sector_t sector = cmd->t_task_lba;
void *daddr, *paddr;
daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;
for (j = 0; j < psg->length;
- j += sizeof(struct se_dif_v1_tuple)) {
+ j += sizeof(*sdt)) {
__u16 crc;
unsigned int avail;
}
static sense_reason_t
-sbc_dif_v1_verify(struct se_cmd *cmd, struct se_dif_v1_tuple *sdt,
+sbc_dif_v1_verify(struct se_cmd *cmd, struct t10_pi_tuple *sdt,
__u16 crc, sector_t sector, unsigned int ei_lba)
{
__be16 csum;
unsigned int ei_lba, struct scatterlist *psg, int psg_off)
{
struct se_device *dev = cmd->se_dev;
- struct se_dif_v1_tuple *sdt;
+ struct t10_pi_tuple *sdt;
struct scatterlist *dsg = cmd->t_data_sg;
sector_t sector = start;
void *daddr, *paddr;
for (i = psg_off; i < psg->length &&
sector < start + sectors;
- i += sizeof(struct se_dif_v1_tuple)) {
+ i += sizeof(*sdt)) {
__u16 crc;
unsigned int avail;
spc_emulate_evpd_b0(struct se_cmd *cmd, unsigned char *buf)
{
struct se_device *dev = cmd->se_dev;
- int have_tp = 0;
- int opt, min;
+ u32 mtl = 0;
+ int have_tp = 0, opt, min;
/*
* Following spc3r22 section 6.5.3 Block Limits VPD page, when
/*
* Set MAXIMUM TRANSFER LENGTH
+ *
+ * XXX: Currently assumes single PAGE_SIZE per scatterlist for fabrics
+ * enforcing maximum HW scatter-gather-list entry limit
*/
- put_unaligned_be32(dev->dev_attrib.hw_max_sectors, &buf[8]);
+ if (cmd->se_tfo->max_data_sg_nents) {
+ mtl = (cmd->se_tfo->max_data_sg_nents * PAGE_SIZE) /
+ dev->dev_attrib.block_size;
+ }
+ put_unaligned_be32(min_not_zero(mtl, dev->dev_attrib.hw_max_sectors), &buf[8]);
/*
* Set OPTIMAL TRANSFER LENGTH
if (pc == 1)
goto out;
- p[2] = 2;
+ /* GLTSD: No implicit save of log parameters */
+ p[2] = (1 << 1);
+ if (target_sense_desc_format(dev))
+ /* D_SENSE: Descriptor format sense data for 64bit sectors */
+ p[2] |= (1 << 2);
+
/*
* From spc4r23, 7.4.7 Control mode page
*
unsigned char *rbuf;
u8 ua_asc = 0, ua_ascq = 0;
unsigned char buf[SE_SENSE_BUF];
+ bool desc_format = target_sense_desc_format(cmd->se_dev);
memset(buf, 0, SE_SENSE_BUF);
if (!rbuf)
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
- if (!core_scsi3_ua_clear_for_request_sense(cmd, &ua_asc, &ua_ascq)) {
- /*
- * CURRENT ERROR, UNIT ATTENTION
- */
- buf[0] = 0x70;
- buf[SPC_SENSE_KEY_OFFSET] = UNIT_ATTENTION;
-
- /*
- * The Additional Sense Code (ASC) from the UNIT ATTENTION
- */
- buf[SPC_ASC_KEY_OFFSET] = ua_asc;
- buf[SPC_ASCQ_KEY_OFFSET] = ua_ascq;
- buf[7] = 0x0A;
- } else {
- /*
- * CURRENT ERROR, NO SENSE
- */
- buf[0] = 0x70;
- buf[SPC_SENSE_KEY_OFFSET] = NO_SENSE;
-
- /*
- * NO ADDITIONAL SENSE INFORMATION
- */
- buf[SPC_ASC_KEY_OFFSET] = 0x00;
- buf[7] = 0x0A;
- }
+ if (!core_scsi3_ua_clear_for_request_sense(cmd, &ua_asc, &ua_ascq))
+ scsi_build_sense_buffer(desc_format, buf, UNIT_ATTENTION,
+ ua_asc, ua_ascq);
+ else
+ scsi_build_sense_buffer(desc_format, buf, NO_SENSE, 0x0, 0x0);
memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length));
transport_kunmap_data_sg(cmd);
}
break;
default:
- pr_warn("TARGET_CORE[%s]: Unsupported SCSI Opcode"
- " 0x%02x, sending CHECK_CONDITION.\n",
- cmd->se_tfo->get_fabric_name(), cdb[0]);
return TCM_UNSUPPORTED_SCSI_OPCODE;
}
#include "target_core_internal.h"
#include "target_core_alua.h"
#include "target_core_pr.h"
+#include "target_core_ua.h"
extern struct se_device *g_lun0_dev;
}
EXPORT_SYMBOL(core_tpg_get_initiator_node_acl);
+void core_allocate_nexus_loss_ua(
+ struct se_node_acl *nacl)
+{
+ struct se_dev_entry *deve;
+
+ if (!nacl)
+ return;
+
+ rcu_read_lock();
+ hlist_for_each_entry_rcu(deve, &nacl->lun_entry_hlist, link)
+ core_scsi3_ua_allocate(deve, 0x29,
+ ASCQ_29H_NEXUS_LOSS_OCCURRED);
+ rcu_read_unlock();
+}
+EXPORT_SYMBOL(core_allocate_nexus_loss_ua);
+
/* core_tpg_add_node_to_devs():
*
*
#include <net/sock.h>
#include <net/tcp.h>
#include <scsi/scsi_proto.h>
+#include <scsi/scsi_common.h>
#include <target/target_core_base.h>
#include <target/target_core_backend.h>
}
EXPORT_SYMBOL(transport_set_vpd_ident);
+static sense_reason_t
+target_check_max_data_sg_nents(struct se_cmd *cmd, struct se_device *dev,
+ unsigned int size)
+{
+ u32 mtl;
+
+ if (!cmd->se_tfo->max_data_sg_nents)
+ return TCM_NO_SENSE;
+ /*
+ * Check if fabric enforced maximum SGL entries per I/O descriptor
+ * exceeds se_cmd->data_length. If true, set SCF_UNDERFLOW_BIT +
+ * residual_count and reduce original cmd->data_length to maximum
+ * length based on single PAGE_SIZE entry scatter-lists.
+ */
+ mtl = (cmd->se_tfo->max_data_sg_nents * PAGE_SIZE);
+ if (cmd->data_length > mtl) {
+ /*
+ * If an existing CDB overflow is present, calculate new residual
+ * based on CDB size minus fabric maximum transfer length.
+ *
+ * If an existing CDB underflow is present, calculate new residual
+ * based on original cmd->data_length minus fabric maximum transfer
+ * length.
+ *
+ * Otherwise, set the underflow residual based on cmd->data_length
+ * minus fabric maximum transfer length.
+ */
+ if (cmd->se_cmd_flags & SCF_OVERFLOW_BIT) {
+ cmd->residual_count = (size - mtl);
+ } else if (cmd->se_cmd_flags & SCF_UNDERFLOW_BIT) {
+ u32 orig_dl = size + cmd->residual_count;
+ cmd->residual_count = (orig_dl - mtl);
+ } else {
+ cmd->se_cmd_flags |= SCF_UNDERFLOW_BIT;
+ cmd->residual_count = (cmd->data_length - mtl);
+ }
+ cmd->data_length = mtl;
+ /*
+ * Reset sbc_check_prot() calculated protection payload
+ * length based upon the new smaller MTL.
+ */
+ if (cmd->prot_length) {
+ u32 sectors = (mtl / dev->dev_attrib.block_size);
+ cmd->prot_length = dev->prot_length * sectors;
+ }
+ }
+ return TCM_NO_SENSE;
+}
+
sense_reason_t
target_cmd_size_check(struct se_cmd *cmd, unsigned int size)
{
" 0x%02x\n", cmd->se_tfo->get_fabric_name(),
cmd->data_length, size, cmd->t_task_cdb[0]);
- if (cmd->data_direction == DMA_TO_DEVICE) {
- pr_err("Rejecting underflow/overflow"
- " WRITE data\n");
+ if (cmd->data_direction == DMA_TO_DEVICE &&
+ cmd->se_cmd_flags & SCF_SCSI_DATA_CDB) {
+ pr_err("Rejecting underflow/overflow WRITE data\n");
return TCM_INVALID_CDB_FIELD;
}
/*
}
}
- return 0;
+ return target_check_max_data_sg_nents(cmd, dev, size);
}
" emulation is not supported\n");
return TCM_INVALID_CDB_FIELD;
}
- /*
- * Used to determine when ORDERED commands should go from
- * Dormant to Active status.
- */
- cmd->se_ordered_id = atomic_inc_return(&dev->dev_ordered_id);
- pr_debug("Allocated se_ordered_id: %u for Task Attr: 0x%02x on %s\n",
- cmd->se_ordered_id, cmd->sam_task_attr,
- dev->transport->name);
+
return 0;
}
}
ret = dev->transport->parse_cdb(cmd);
+ if (ret == TCM_UNSUPPORTED_SCSI_OPCODE)
+ pr_warn_ratelimited("%s/%s: Unsupported SCSI Opcode 0x%02x, sending CHECK_CONDITION.\n",
+ cmd->se_tfo->get_fabric_name(),
+ cmd->se_sess->se_node_acl->initiatorname,
+ cmd->t_task_cdb[0]);
if (ret)
return ret;
check_stop:
transport_lun_remove_cmd(cmd);
- if (!transport_cmd_check_stop_to_fabric(cmd))
- ;
+ transport_cmd_check_stop_to_fabric(cmd);
return;
queue_full:
*/
switch (cmd->sam_task_attr) {
case TCM_HEAD_TAG:
- pr_debug("Added HEAD_OF_QUEUE for CDB: 0x%02x, "
- "se_ordered_id: %u\n",
- cmd->t_task_cdb[0], cmd->se_ordered_id);
+ pr_debug("Added HEAD_OF_QUEUE for CDB: 0x%02x\n",
+ cmd->t_task_cdb[0]);
return false;
case TCM_ORDERED_TAG:
atomic_inc_mb(&dev->dev_ordered_sync);
- pr_debug("Added ORDERED for CDB: 0x%02x to ordered list, "
- " se_ordered_id: %u\n",
- cmd->t_task_cdb[0], cmd->se_ordered_id);
+ pr_debug("Added ORDERED for CDB: 0x%02x to ordered list\n",
+ cmd->t_task_cdb[0]);
/*
* Execute an ORDERED command if no other older commands
list_add_tail(&cmd->se_delayed_node, &dev->delayed_cmd_list);
spin_unlock(&dev->delayed_cmd_lock);
- pr_debug("Added CDB: 0x%02x Task Attr: 0x%02x to"
- " delayed CMD list, se_ordered_id: %u\n",
- cmd->t_task_cdb[0], cmd->sam_task_attr,
- cmd->se_ordered_id);
+ pr_debug("Added CDB: 0x%02x Task Attr: 0x%02x to delayed CMD listn",
+ cmd->t_task_cdb[0], cmd->sam_task_attr);
return true;
}
if (cmd->sam_task_attr == TCM_SIMPLE_TAG) {
atomic_dec_mb(&dev->simple_cmds);
dev->dev_cur_ordered_id++;
- pr_debug("Incremented dev->dev_cur_ordered_id: %u for"
- " SIMPLE: %u\n", dev->dev_cur_ordered_id,
- cmd->se_ordered_id);
+ pr_debug("Incremented dev->dev_cur_ordered_id: %u for SIMPLE\n",
+ dev->dev_cur_ordered_id);
} else if (cmd->sam_task_attr == TCM_HEAD_TAG) {
dev->dev_cur_ordered_id++;
- pr_debug("Incremented dev_cur_ordered_id: %u for"
- " HEAD_OF_QUEUE: %u\n", dev->dev_cur_ordered_id,
- cmd->se_ordered_id);
+ pr_debug("Incremented dev_cur_ordered_id: %u for HEAD_OF_QUEUE\n",
+ dev->dev_cur_ordered_id);
} else if (cmd->sam_task_attr == TCM_ORDERED_TAG) {
atomic_dec_mb(&dev->dev_ordered_sync);
dev->dev_cur_ordered_id++;
- pr_debug("Incremented dev_cur_ordered_id: %u for ORDERED:"
- " %u\n", dev->dev_cur_ordered_id, cmd->se_ordered_id);
+ pr_debug("Incremented dev_cur_ordered_id: %u for ORDERED\n",
+ dev->dev_cur_ordered_id);
}
target_restart_delayed_cmds(dev);
}
EXPORT_SYMBOL(transport_wait_for_tasks);
-static int transport_get_sense_codes(
- struct se_cmd *cmd,
- u8 *asc,
- u8 *ascq)
+struct sense_info {
+ u8 key;
+ u8 asc;
+ u8 ascq;
+ bool add_sector_info;
+};
+
+static const struct sense_info sense_info_table[] = {
+ [TCM_NO_SENSE] = {
+ .key = NOT_READY
+ },
+ [TCM_NON_EXISTENT_LUN] = {
+ .key = ILLEGAL_REQUEST,
+ .asc = 0x25 /* LOGICAL UNIT NOT SUPPORTED */
+ },
+ [TCM_UNSUPPORTED_SCSI_OPCODE] = {
+ .key = ILLEGAL_REQUEST,
+ .asc = 0x20, /* INVALID COMMAND OPERATION CODE */
+ },
+ [TCM_SECTOR_COUNT_TOO_MANY] = {
+ .key = ILLEGAL_REQUEST,
+ .asc = 0x20, /* INVALID COMMAND OPERATION CODE */
+ },
+ [TCM_UNKNOWN_MODE_PAGE] = {
+ .key = ILLEGAL_REQUEST,
+ .asc = 0x24, /* INVALID FIELD IN CDB */
+ },
+ [TCM_CHECK_CONDITION_ABORT_CMD] = {
+ .key = ABORTED_COMMAND,
+ .asc = 0x29, /* BUS DEVICE RESET FUNCTION OCCURRED */
+ .ascq = 0x03,
+ },
+ [TCM_INCORRECT_AMOUNT_OF_DATA] = {
+ .key = ABORTED_COMMAND,
+ .asc = 0x0c, /* WRITE ERROR */
+ .ascq = 0x0d, /* NOT ENOUGH UNSOLICITED DATA */
+ },
+ [TCM_INVALID_CDB_FIELD] = {
+ .key = ILLEGAL_REQUEST,
+ .asc = 0x24, /* INVALID FIELD IN CDB */
+ },
+ [TCM_INVALID_PARAMETER_LIST] = {
+ .key = ILLEGAL_REQUEST,
+ .asc = 0x26, /* INVALID FIELD IN PARAMETER LIST */
+ },
+ [TCM_PARAMETER_LIST_LENGTH_ERROR] = {
+ .key = ILLEGAL_REQUEST,
+ .asc = 0x1a, /* PARAMETER LIST LENGTH ERROR */
+ },
+ [TCM_UNEXPECTED_UNSOLICITED_DATA] = {
+ .key = ILLEGAL_REQUEST,
+ .asc = 0x0c, /* WRITE ERROR */
+ .ascq = 0x0c, /* UNEXPECTED_UNSOLICITED_DATA */
+ },
+ [TCM_SERVICE_CRC_ERROR] = {
+ .key = ABORTED_COMMAND,
+ .asc = 0x47, /* PROTOCOL SERVICE CRC ERROR */
+ .ascq = 0x05, /* N/A */
+ },
+ [TCM_SNACK_REJECTED] = {
+ .key = ABORTED_COMMAND,
+ .asc = 0x11, /* READ ERROR */
+ .ascq = 0x13, /* FAILED RETRANSMISSION REQUEST */
+ },
+ [TCM_WRITE_PROTECTED] = {
+ .key = DATA_PROTECT,
+ .asc = 0x27, /* WRITE PROTECTED */
+ },
+ [TCM_ADDRESS_OUT_OF_RANGE] = {
+ .key = ILLEGAL_REQUEST,
+ .asc = 0x21, /* LOGICAL BLOCK ADDRESS OUT OF RANGE */
+ },
+ [TCM_CHECK_CONDITION_UNIT_ATTENTION] = {
+ .key = UNIT_ATTENTION,
+ },
+ [TCM_CHECK_CONDITION_NOT_READY] = {
+ .key = NOT_READY,
+ },
+ [TCM_MISCOMPARE_VERIFY] = {
+ .key = MISCOMPARE,
+ .asc = 0x1d, /* MISCOMPARE DURING VERIFY OPERATION */
+ .ascq = 0x00,
+ },
+ [TCM_LOGICAL_BLOCK_GUARD_CHECK_FAILED] = {
+ .key = ABORTED_COMMAND,
+ .asc = 0x10,
+ .ascq = 0x01, /* LOGICAL BLOCK GUARD CHECK FAILED */
+ .add_sector_info = true,
+ },
+ [TCM_LOGICAL_BLOCK_APP_TAG_CHECK_FAILED] = {
+ .key = ABORTED_COMMAND,
+ .asc = 0x10,
+ .ascq = 0x02, /* LOGICAL BLOCK APPLICATION TAG CHECK FAILED */
+ .add_sector_info = true,
+ },
+ [TCM_LOGICAL_BLOCK_REF_TAG_CHECK_FAILED] = {
+ .key = ABORTED_COMMAND,
+ .asc = 0x10,
+ .ascq = 0x03, /* LOGICAL BLOCK REFERENCE TAG CHECK FAILED */
+ .add_sector_info = true,
+ },
+ [TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE] = {
+ /*
+ * Returning ILLEGAL REQUEST would cause immediate IO errors on
+ * Solaris initiators. Returning NOT READY instead means the
+ * operations will be retried a finite number of times and we
+ * can survive intermittent errors.
+ */
+ .key = NOT_READY,
+ .asc = 0x08, /* LOGICAL UNIT COMMUNICATION FAILURE */
+ },
+};
+
+static int translate_sense_reason(struct se_cmd *cmd, sense_reason_t reason)
{
- *asc = cmd->scsi_asc;
- *ascq = cmd->scsi_ascq;
+ const struct sense_info *si;
+ u8 *buffer = cmd->sense_buffer;
+ int r = (__force int)reason;
+ u8 asc, ascq;
+ bool desc_format = target_sense_desc_format(cmd->se_dev);
- return 0;
-}
+ if (r < ARRAY_SIZE(sense_info_table) && sense_info_table[r].key)
+ si = &sense_info_table[r];
+ else
+ si = &sense_info_table[(__force int)
+ TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE];
-static
-void transport_err_sector_info(unsigned char *buffer, sector_t bad_sector)
-{
- /* Place failed LBA in sense data information descriptor 0. */
- buffer[SPC_ADD_SENSE_LEN_OFFSET] = 0xc;
- buffer[SPC_DESC_TYPE_OFFSET] = 0; /* Information */
- buffer[SPC_ADDITIONAL_DESC_LEN_OFFSET] = 0xa;
- buffer[SPC_VALIDITY_OFFSET] = 0x80;
+ if (reason == TCM_CHECK_CONDITION_UNIT_ATTENTION) {
+ core_scsi3_ua_for_check_condition(cmd, &asc, &ascq);
+ WARN_ON_ONCE(asc == 0);
+ } else if (si->asc == 0) {
+ WARN_ON_ONCE(cmd->scsi_asc == 0);
+ asc = cmd->scsi_asc;
+ ascq = cmd->scsi_ascq;
+ } else {
+ asc = si->asc;
+ ascq = si->ascq;
+ }
+
+ scsi_build_sense_buffer(desc_format, buffer, si->key, asc, ascq);
+ if (si->add_sector_info)
+ return scsi_set_sense_information(buffer,
+ cmd->scsi_sense_length,
+ cmd->bad_sector);
- /* Descriptor Information: failing sector */
- put_unaligned_be64(bad_sector, &buffer[12]);
+ return 0;
}
int
transport_send_check_condition_and_sense(struct se_cmd *cmd,
sense_reason_t reason, int from_transport)
{
- unsigned char *buffer = cmd->sense_buffer;
unsigned long flags;
- u8 asc = 0, ascq = 0;
spin_lock_irqsave(&cmd->t_state_lock, flags);
if (cmd->se_cmd_flags & SCF_SENT_CHECK_CONDITION) {
cmd->se_cmd_flags |= SCF_SENT_CHECK_CONDITION;
spin_unlock_irqrestore(&cmd->t_state_lock, flags);
- if (!reason && from_transport)
- goto after_reason;
+ if (!from_transport) {
+ int rc;
- if (!from_transport)
cmd->se_cmd_flags |= SCF_EMULATED_TASK_SENSE;
-
- /*
- * Actual SENSE DATA, see SPC-3 7.23.2 SPC_SENSE_KEY_OFFSET uses
- * SENSE KEY values from include/scsi/scsi.h
- */
- switch (reason) {
- case TCM_NO_SENSE:
- /* CURRENT ERROR */
- buffer[0] = 0x70;
- buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
- /* Not Ready */
- buffer[SPC_SENSE_KEY_OFFSET] = NOT_READY;
- /* NO ADDITIONAL SENSE INFORMATION */
- buffer[SPC_ASC_KEY_OFFSET] = 0;
- buffer[SPC_ASCQ_KEY_OFFSET] = 0;
- break;
- case TCM_NON_EXISTENT_LUN:
- /* CURRENT ERROR */
- buffer[0] = 0x70;
- buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
- /* ILLEGAL REQUEST */
- buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
- /* LOGICAL UNIT NOT SUPPORTED */
- buffer[SPC_ASC_KEY_OFFSET] = 0x25;
- break;
- case TCM_UNSUPPORTED_SCSI_OPCODE:
- case TCM_SECTOR_COUNT_TOO_MANY:
- /* CURRENT ERROR */
- buffer[0] = 0x70;
- buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
- /* ILLEGAL REQUEST */
- buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
- /* INVALID COMMAND OPERATION CODE */
- buffer[SPC_ASC_KEY_OFFSET] = 0x20;
- break;
- case TCM_UNKNOWN_MODE_PAGE:
- /* CURRENT ERROR */
- buffer[0] = 0x70;
- buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
- /* ILLEGAL REQUEST */
- buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
- /* INVALID FIELD IN CDB */
- buffer[SPC_ASC_KEY_OFFSET] = 0x24;
- break;
- case TCM_CHECK_CONDITION_ABORT_CMD:
- /* CURRENT ERROR */
- buffer[0] = 0x70;
- buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
- /* ABORTED COMMAND */
- buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
- /* BUS DEVICE RESET FUNCTION OCCURRED */
- buffer[SPC_ASC_KEY_OFFSET] = 0x29;
- buffer[SPC_ASCQ_KEY_OFFSET] = 0x03;
- break;
- case TCM_INCORRECT_AMOUNT_OF_DATA:
- /* CURRENT ERROR */
- buffer[0] = 0x70;
- buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
- /* ABORTED COMMAND */
- buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
- /* WRITE ERROR */
- buffer[SPC_ASC_KEY_OFFSET] = 0x0c;
- /* NOT ENOUGH UNSOLICITED DATA */
- buffer[SPC_ASCQ_KEY_OFFSET] = 0x0d;
- break;
- case TCM_INVALID_CDB_FIELD:
- /* CURRENT ERROR */
- buffer[0] = 0x70;
- buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
- /* ILLEGAL REQUEST */
- buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
- /* INVALID FIELD IN CDB */
- buffer[SPC_ASC_KEY_OFFSET] = 0x24;
- break;
- case TCM_INVALID_PARAMETER_LIST:
- /* CURRENT ERROR */
- buffer[0] = 0x70;
- buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
- /* ILLEGAL REQUEST */
- buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
- /* INVALID FIELD IN PARAMETER LIST */
- buffer[SPC_ASC_KEY_OFFSET] = 0x26;
- break;
- case TCM_PARAMETER_LIST_LENGTH_ERROR:
- /* CURRENT ERROR */
- buffer[0] = 0x70;
- buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
- /* ILLEGAL REQUEST */
- buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
- /* PARAMETER LIST LENGTH ERROR */
- buffer[SPC_ASC_KEY_OFFSET] = 0x1a;
- break;
- case TCM_UNEXPECTED_UNSOLICITED_DATA:
- /* CURRENT ERROR */
- buffer[0] = 0x70;
- buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
- /* ABORTED COMMAND */
- buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
- /* WRITE ERROR */
- buffer[SPC_ASC_KEY_OFFSET] = 0x0c;
- /* UNEXPECTED_UNSOLICITED_DATA */
- buffer[SPC_ASCQ_KEY_OFFSET] = 0x0c;
- break;
- case TCM_SERVICE_CRC_ERROR:
- /* CURRENT ERROR */
- buffer[0] = 0x70;
- buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
- /* ABORTED COMMAND */
- buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
- /* PROTOCOL SERVICE CRC ERROR */
- buffer[SPC_ASC_KEY_OFFSET] = 0x47;
- /* N/A */
- buffer[SPC_ASCQ_KEY_OFFSET] = 0x05;
- break;
- case TCM_SNACK_REJECTED:
- /* CURRENT ERROR */
- buffer[0] = 0x70;
- buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
- /* ABORTED COMMAND */
- buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
- /* READ ERROR */
- buffer[SPC_ASC_KEY_OFFSET] = 0x11;
- /* FAILED RETRANSMISSION REQUEST */
- buffer[SPC_ASCQ_KEY_OFFSET] = 0x13;
- break;
- case TCM_WRITE_PROTECTED:
- /* CURRENT ERROR */
- buffer[0] = 0x70;
- buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
- /* DATA PROTECT */
- buffer[SPC_SENSE_KEY_OFFSET] = DATA_PROTECT;
- /* WRITE PROTECTED */
- buffer[SPC_ASC_KEY_OFFSET] = 0x27;
- break;
- case TCM_ADDRESS_OUT_OF_RANGE:
- /* CURRENT ERROR */
- buffer[0] = 0x70;
- buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
- /* ILLEGAL REQUEST */
- buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
- /* LOGICAL BLOCK ADDRESS OUT OF RANGE */
- buffer[SPC_ASC_KEY_OFFSET] = 0x21;
- break;
- case TCM_CHECK_CONDITION_UNIT_ATTENTION:
- /* CURRENT ERROR */
- buffer[0] = 0x70;
- buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
- /* UNIT ATTENTION */
- buffer[SPC_SENSE_KEY_OFFSET] = UNIT_ATTENTION;
- core_scsi3_ua_for_check_condition(cmd, &asc, &ascq);
- buffer[SPC_ASC_KEY_OFFSET] = asc;
- buffer[SPC_ASCQ_KEY_OFFSET] = ascq;
- break;
- case TCM_CHECK_CONDITION_NOT_READY:
- /* CURRENT ERROR */
- buffer[0] = 0x70;
- buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
- /* Not Ready */
- buffer[SPC_SENSE_KEY_OFFSET] = NOT_READY;
- transport_get_sense_codes(cmd, &asc, &ascq);
- buffer[SPC_ASC_KEY_OFFSET] = asc;
- buffer[SPC_ASCQ_KEY_OFFSET] = ascq;
- break;
- case TCM_MISCOMPARE_VERIFY:
- /* CURRENT ERROR */
- buffer[0] = 0x70;
- buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
- buffer[SPC_SENSE_KEY_OFFSET] = MISCOMPARE;
- /* MISCOMPARE DURING VERIFY OPERATION */
- buffer[SPC_ASC_KEY_OFFSET] = 0x1d;
- buffer[SPC_ASCQ_KEY_OFFSET] = 0x00;
- break;
- case TCM_LOGICAL_BLOCK_GUARD_CHECK_FAILED:
- /* CURRENT ERROR */
- buffer[0] = 0x70;
- buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
- /* ILLEGAL REQUEST */
- buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
- /* LOGICAL BLOCK GUARD CHECK FAILED */
- buffer[SPC_ASC_KEY_OFFSET] = 0x10;
- buffer[SPC_ASCQ_KEY_OFFSET] = 0x01;
- transport_err_sector_info(buffer, cmd->bad_sector);
- break;
- case TCM_LOGICAL_BLOCK_APP_TAG_CHECK_FAILED:
- /* CURRENT ERROR */
- buffer[0] = 0x70;
- buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
- /* ILLEGAL REQUEST */
- buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
- /* LOGICAL BLOCK APPLICATION TAG CHECK FAILED */
- buffer[SPC_ASC_KEY_OFFSET] = 0x10;
- buffer[SPC_ASCQ_KEY_OFFSET] = 0x02;
- transport_err_sector_info(buffer, cmd->bad_sector);
- break;
- case TCM_LOGICAL_BLOCK_REF_TAG_CHECK_FAILED:
- /* CURRENT ERROR */
- buffer[0] = 0x70;
- buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
- /* ILLEGAL REQUEST */
- buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
- /* LOGICAL BLOCK REFERENCE TAG CHECK FAILED */
- buffer[SPC_ASC_KEY_OFFSET] = 0x10;
- buffer[SPC_ASCQ_KEY_OFFSET] = 0x03;
- transport_err_sector_info(buffer, cmd->bad_sector);
- break;
- case TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE:
- default:
- /* CURRENT ERROR */
- buffer[0] = 0x70;
- buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
- /*
- * Returning ILLEGAL REQUEST would cause immediate IO errors on
- * Solaris initiators. Returning NOT READY instead means the
- * operations will be retried a finite number of times and we
- * can survive intermittent errors.
- */
- buffer[SPC_SENSE_KEY_OFFSET] = NOT_READY;
- /* LOGICAL UNIT COMMUNICATION FAILURE */
- buffer[SPC_ASC_KEY_OFFSET] = 0x08;
- break;
+ cmd->scsi_status = SAM_STAT_CHECK_CONDITION;
+ cmd->scsi_sense_length = TRANSPORT_SENSE_BUFFER;
+ rc = translate_sense_reason(cmd, reason);
+ if (rc)
+ return rc;
}
- /*
- * This code uses linux/include/scsi/scsi.h SAM status codes!
- */
- cmd->scsi_status = SAM_STAT_CHECK_CONDITION;
- /*
- * Automatically padded, this value is encoded in the fabric's
- * data_length response PDU containing the SCSI defined sense data.
- */
- cmd->scsi_sense_length = TRANSPORT_SENSE_BUFFER;
-after_reason:
trace_target_cmd_complete(cmd);
return cmd->se_tfo->queue_status(cmd);
}
#include <linux/parser.h>
#include <linux/vmalloc.h>
#include <linux/uio_driver.h>
+#include <linux/stringify.h>
#include <net/genetlink.h>
#include <scsi/scsi_common.h>
#include <scsi/scsi_proto.h>
UPDATE_HEAD(udev->data_tail, cmd->data_length, udev->data_size);
pr_warn("TCMU: Userspace set UNKNOWN_OP flag on se_cmd %p\n",
cmd->se_cmd);
- transport_generic_request_failure(cmd->se_cmd,
- TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE);
- cmd->se_cmd = NULL;
- kmem_cache_free(tcmu_cmd_cache, cmd);
- return;
- }
-
- if (entry->rsp.scsi_status == SAM_STAT_CHECK_CONDITION) {
+ entry->rsp.scsi_status = SAM_STAT_CHECK_CONDITION;
+ } else if (entry->rsp.scsi_status == SAM_STAT_CHECK_CONDITION) {
memcpy(se_cmd->sense_buffer, entry->rsp.sense_buffer,
se_cmd->scsi_sense_length);
static unsigned int tcmu_handle_completions(struct tcmu_dev *udev)
{
struct tcmu_mailbox *mb;
- LIST_HEAD(cpl_cmds);
unsigned long flags;
int handled = 0;
WARN_ON(!PAGE_ALIGNED(udev->data_off));
WARN_ON(udev->data_size % PAGE_SIZE);
- info->version = xstr(TCMU_MAILBOX_VERSION);
+ info->version = __stringify(TCMU_MAILBOX_VERSION);
info->mem[0].name = "tcm-user command & data buffer";
info->mem[0].addr = (phys_addr_t) udev->mb_addr;
memset(&xcopy_pt_sess, 0, sizeof(struct se_session));
INIT_LIST_HEAD(&xcopy_pt_sess.sess_list);
INIT_LIST_HEAD(&xcopy_pt_sess.sess_acl_list);
+ INIT_LIST_HEAD(&xcopy_pt_sess.sess_cmd_list);
+ spin_lock_init(&xcopy_pt_sess.sess_cmd_lock);
xcopy_pt_nacl.se_tpg = &xcopy_pt_tpg;
xcopy_pt_nacl.nacl_sess = &xcopy_pt_sess;
pr_debug("XCOPY: Built READ_16: LBA: %llu Sectors: %u Length: %u\n",
(unsigned long long)src_lba, src_sectors, length);
- transport_init_se_cmd(se_cmd, &xcopy_pt_tfo, NULL, length,
+ transport_init_se_cmd(se_cmd, &xcopy_pt_tfo, &xcopy_pt_sess, length,
DMA_FROM_DEVICE, 0, &xpt_cmd->sense_buffer[0]);
xop->src_pt_cmd = xpt_cmd;
pr_debug("XCOPY: Built WRITE_16: LBA: %llu Sectors: %u Length: %u\n",
(unsigned long long)dst_lba, dst_sectors, length);
- transport_init_se_cmd(se_cmd, &xcopy_pt_tfo, NULL, length,
+ transport_init_se_cmd(se_cmd, &xcopy_pt_tfo, &xcopy_pt_sess, length,
DMA_TO_DEVICE, 0, &xpt_cmd->sense_buffer[0]);
xop->dst_pt_cmd = xpt_cmd;
struct ft_cmd *cmd = arg;
struct fc_frame_header *fh;
- if (unlikely(IS_ERR(fp))) {
+ if (IS_ERR(fp)) {
/* XXX need to find cmd if queued */
cmd->seq = NULL;
cmd->aborted = true;
extern bool scsi_normalize_sense(const u8 *sense_buffer, int sb_len,
struct scsi_sense_hdr *sshdr);
+extern void scsi_build_sense_buffer(int desc, u8 *buf, u8 key, u8 asc, u8 ascq);
+int scsi_set_sense_information(u8 *buf, int buf_len, u64 info);
+extern const u8 * scsi_sense_desc_find(const u8 * sense_buffer, int sb_len,
+ int desc_type);
+
#endif /* _SCSI_COMMON_H_ */
#include <linux/scatterlist.h>
#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_common.h>
struct scsi_device;
struct Scsi_Host;
return ((sshdr->response_code >= 0x70) && (sshdr->response_code & 1));
}
-extern const u8 * scsi_sense_desc_find(const u8 * sense_buffer, int sb_len,
- int desc_type);
-
extern int scsi_get_sense_info_fld(const u8 * sense_buffer, int sb_len,
u64 * info_out);
-extern void scsi_build_sense_buffer(int desc, u8 *buf, u8 key, u8 asc, u8 ascq);
-
extern int scsi_ioctl_reset(struct scsi_device *, int __user *);
struct scsi_eh_save {
/* T10 protection information disabled by default */
#define TA_DEFAULT_T10_PI 0
#define TA_DEFAULT_FABRIC_PROT_TYPE 0
+/* TPG status needs to be enabled to return sendtargets discovery endpoint info */
+#define TA_DEFAULT_TPG_ENABLED_SENDTARGETS 1
#define ISCSI_IOV_DATA_BUFFER 5
u16 cid;
/* Remote TCP Port */
u16 login_port;
- u16 local_port;
int net_size;
int login_family;
u32 auth_id;
u32 exp_statsn;
/* Per connection status sequence number */
u32 stat_sn;
-#define IPV6_ADDRESS_SPACE 48
- unsigned char login_ip[IPV6_ADDRESS_SPACE];
- unsigned char local_ip[IPV6_ADDRESS_SPACE];
+ struct sockaddr_storage login_sockaddr;
+ struct sockaddr_storage local_sockaddr;
int conn_usage_count;
int conn_waiting_on_uc;
atomic_t check_immediate_queue;
/* session wide counter: expected command sequence number */
u32 exp_cmd_sn;
/* session wide counter: maximum allowed command sequence number */
- u32 max_cmd_sn;
+ atomic_t max_cmd_sn;
struct list_head sess_ooo_cmdsn_list;
/* LIO specific session ID */
u32 default_erl;
u8 t10_pi;
u32 fabric_prot_type;
+ u32 tpg_enabled_sendtargets;
struct iscsi_portal_group *tpg;
};
enum iscsi_timer_flags_table np_login_timer_flags;
u32 np_exports;
enum np_flags_table np_flags;
- unsigned char np_ip[IPV6_ADDRESS_SPACE];
- u16 np_port;
spinlock_t np_thread_lock;
struct completion np_restart_comp;
struct socket *np_socket;
- struct __kernel_sockaddr_storage np_sockaddr;
+ struct sockaddr_storage np_sockaddr;
struct task_struct *np_thread;
struct timer_list np_login_timer;
void *np_context;
u64 last_fail_time; /* time stamp (jiffies) */
u32 last_fail_type;
int last_intr_fail_ip_family;
- unsigned char last_intr_fail_ip_addr[IPV6_ADDRESS_SPACE];
+ struct sockaddr_storage last_intr_fail_sockaddr;
char last_intr_fail_name[224];
} ____cacheline_aligned;
int priv_size;
struct module *owner;
struct list_head t_node;
- int (*iscsit_setup_np)(struct iscsi_np *, struct __kernel_sockaddr_storage *);
+ int (*iscsit_setup_np)(struct iscsi_np *, struct sockaddr_storage *);
int (*iscsit_accept_np)(struct iscsi_np *, struct iscsi_conn *);
void (*iscsit_free_np)(struct iscsi_np *);
void (*iscsit_wait_conn)(struct iscsi_conn *);
sense_reason_t passthrough_parse_cdb(struct se_cmd *cmd,
sense_reason_t (*exec_cmd)(struct se_cmd *cmd));
+bool target_sense_desc_format(struct se_device *dev);
+
#endif /* TARGET_CORE_BACKEND_H */
#include <linux/dma-mapping.h>
#include <linux/blkdev.h>
#include <linux/percpu_ida.h>
+#include <linux/t10-pi.h>
#include <net/sock.h>
#include <net/tcp.h>
TARGET_DIF_CHECK_REFTAG = 0x1 << 2,
};
-struct se_dif_v1_tuple {
- __be16 guard_tag;
- __be16 app_tag;
- __be32 ref_tag;
-};
-
/* for sam_task_attr */
#define TCM_SIMPLE_TAG 0x20
#define TCM_HEAD_TAG 0x21
u8 scsi_asc;
u8 scsi_ascq;
u16 scsi_sense_length;
+ unsigned cmd_wait_set:1;
+ unsigned unknown_data_length:1;
+ bool state_active:1;
u64 tag; /* SAM command identifier aka task tag */
/* Delay for ALUA Active/NonOptimized state access in milliseconds */
int alua_nonop_delay;
unsigned int map_tag;
/* Transport protocol dependent state, see transport_state_table */
enum transport_state_table t_state;
- unsigned cmd_wait_set:1;
- unsigned unknown_data_length:1;
/* See se_cmd_flags_table */
u32 se_cmd_flags;
- u32 se_ordered_id;
/* Total size in bytes associated with command */
u32 data_length;
u32 residual_count;
struct se_tmr_req *se_tmr_req;
struct list_head se_cmd_list;
struct completion cmd_wait_comp;
- struct kref cmd_kref;
const struct target_core_fabric_ops *se_tfo;
sense_reason_t (*execute_cmd)(struct se_cmd *);
sense_reason_t (*transport_complete_callback)(struct se_cmd *, bool);
#define CMD_T_REQUEST_STOP (1 << 8)
#define CMD_T_BUSY (1 << 9)
spinlock_t t_state_lock;
+ struct kref cmd_kref;
struct completion t_transport_stop_comp;
struct work_struct work;
struct scatterlist *t_bidi_data_sg;
unsigned int t_bidi_data_nents;
+ /* Used for lun->lun_ref counting */
+ int lun_ref_active;
+
struct list_head state_list;
- bool state_active;
/* old task stop completion, consider merging with some of the above */
struct completion task_stop_comp;
/* backend private data */
void *priv;
- /* Used for lun->lun_ref counting */
- int lun_ref_active;
-
/* DIF related members */
enum target_prot_op prot_op;
enum target_prot_type prot_type;
u8 prot_checks;
+ bool prot_pto;
u32 prot_length;
u32 reftag_seed;
struct scatterlist *t_prot_sg;
unsigned int t_prot_nents;
sense_reason_t pi_err;
sector_t bad_sector;
- bool prot_pto;
};
struct se_ua {
};
struct se_lun_acl {
- char initiatorname[TRANSPORT_IQN_LEN];
u64 mapped_lun;
struct se_node_acl *se_lun_nacl;
struct se_lun *se_lun;
#define SE_LUN_LINK_MAGIC 0xffff7771
u32 lun_link_magic;
u32 lun_access;
- u32 lun_flags;
u32 lun_index;
/* RELATIVE TARGET PORT IDENTIFER */
atomic_long_t write_bytes;
/* Active commands on this virtual SE device */
atomic_t simple_cmds;
- atomic_t dev_ordered_id;
atomic_t dev_ordered_sync;
atomic_t dev_qf_count;
u32 export_count;
struct module *module;
const char *name;
size_t node_acl_size;
+ /*
+ * Limits number of scatterlist entries per SCF_SCSI_DATA_CDB payload.
+ * Setting this value tells target-core to enforce this limit, and
+ * report as INQUIRY EVPD=b0 MAXIMUM TRANSFER LENGTH.
+ *
+ * target-core will currently reset se_cmd->data_length to this
+ * maximum size, and set UNDERFLOW residual count if length exceeds
+ * this limit.
+ *
+ * XXX: Not all initiator hosts honor this block-limit EVPD
+ * XXX: Currently assumes single PAGE_SIZE per scatterlist entry
+ */
+ u32 max_data_sg_nents;
char *(*get_fabric_name)(void);
char *(*tpg_get_wwn)(struct se_portal_group *);
u16 (*tpg_get_tag)(struct se_portal_group *);
void transport_generic_request_failure(struct se_cmd *, sense_reason_t);
void __target_execute_cmd(struct se_cmd *);
int transport_lookup_tmr_lun(struct se_cmd *, u64);
+void core_allocate_nexus_loss_ua(struct se_node_acl *acl);
struct se_node_acl *core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,
unsigned char *);
#define TCMU_MAILBOX_VERSION 2
#define ALIGN_SIZE 64 /* Should be enough for most CPUs */
-/* See https://gcc.gnu.org/onlinedocs/cpp/Stringification.html */
-#define xstr(s) str(s)
-#define str(s) #s
-
struct tcmu_mailbox {
__u16 version;
__u16 flags;
projects / cascardo / linux.git / commitdiff