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path: root/drivers/scsi/qla4xxx
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-rw-r--r--drivers/scsi/qla4xxx/ql4_def.h1
-rw-r--r--drivers/scsi/qla4xxx/ql4_fw.h4
-rw-r--r--drivers/scsi/qla4xxx/ql4_glbl.h2
-rw-r--r--drivers/scsi/qla4xxx/ql4_inline.h12
-rw-r--r--drivers/scsi/qla4xxx/ql4_mbx.c34
-rw-r--r--drivers/scsi/qla4xxx/ql4_os.c471
6 files changed, 498 insertions, 26 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index 41327d46ecf..084d1fd59c9 100644
--- a/drivers/scsi/qla4xxx/ql4_def.h
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -306,6 +306,7 @@ struct ddb_entry {
struct qla_ddb_index {
struct list_head list;
uint16_t fw_ddb_idx;
+ uint16_t flash_ddb_idx;
struct dev_db_entry fw_ddb;
uint8_t flash_isid[6];
};
diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h
index 51d1a70f8b4..1243e5942b7 100644
--- a/drivers/scsi/qla4xxx/ql4_fw.h
+++ b/drivers/scsi/qla4xxx/ql4_fw.h
@@ -539,6 +539,10 @@ struct qla_flt_region {
#define ENABLE_INTERNAL_LOOPBACK 0x04
#define ENABLE_EXTERNAL_LOOPBACK 0x08
+/* generic defines to enable/disable params */
+#define QL4_PARAM_DISABLE 0
+#define QL4_PARAM_ENABLE 1
+
/*************************************************************************/
/* Host Adapter Initialization Control Block (from host) */
diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h
index e6f2a2669db..5cef2527180 100644
--- a/drivers/scsi/qla4xxx/ql4_glbl.h
+++ b/drivers/scsi/qla4xxx/ql4_glbl.h
@@ -83,6 +83,8 @@ int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
uint8_t outCount, uint32_t *mbx_cmd, uint32_t *mbx_sts);
int qla4xxx_get_chap_index(struct scsi_qla_host *ha, char *username,
char *password, int bidi, uint16_t *chap_index);
+int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username, char *password,
+ uint16_t idx, int bidi);
void qla4xxx_queue_iocb(struct scsi_qla_host *ha);
void qla4xxx_complete_iocb(struct scsi_qla_host *ha);
diff --git a/drivers/scsi/qla4xxx/ql4_inline.h b/drivers/scsi/qla4xxx/ql4_inline.h
index 8503ad643bd..655b7bb644d 100644
--- a/drivers/scsi/qla4xxx/ql4_inline.h
+++ b/drivers/scsi/qla4xxx/ql4_inline.h
@@ -82,3 +82,15 @@ qla4xxx_disable_intrs(struct scsi_qla_host *ha)
__qla4xxx_disable_intrs(ha);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
+
+static inline int qla4xxx_get_chap_type(struct ql4_chap_table *chap_entry)
+{
+ int type;
+
+ if (chap_entry->flags & BIT_7)
+ type = LOCAL_CHAP;
+ else
+ type = BIDI_CHAP;
+
+ return type;
+}
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index 62d4208af21..22cbd005bdf 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -1530,13 +1530,26 @@ exit_get_chap:
return ret;
}
-static int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username,
- char *password, uint16_t idx, int bidi)
+/**
+ * qla4xxx_set_chap - Make a chap entry at the given index
+ * @ha: pointer to adapter structure
+ * @username: CHAP username to set
+ * @password: CHAP password to set
+ * @idx: CHAP index at which to make the entry
+ * @bidi: type of chap entry (chap_in or chap_out)
+ *
+ * Create chap entry at the given index with the information provided.
+ *
+ * Note: Caller should acquire the chap lock before getting here.
+ **/
+int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username, char *password,
+ uint16_t idx, int bidi)
{
int ret = 0;
int rval = QLA_ERROR;
uint32_t offset = 0;
struct ql4_chap_table *chap_table;
+ uint32_t chap_size = 0;
dma_addr_t chap_dma;
chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
@@ -1554,7 +1567,20 @@ static int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username,
strncpy(chap_table->secret, password, MAX_CHAP_SECRET_LEN);
strncpy(chap_table->name, username, MAX_CHAP_NAME_LEN);
chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
- offset = FLASH_CHAP_OFFSET | (idx * sizeof(struct ql4_chap_table));
+
+ if (is_qla40XX(ha)) {
+ chap_size = MAX_CHAP_ENTRIES_40XX * sizeof(*chap_table);
+ offset = FLASH_CHAP_OFFSET;
+ } else { /* Single region contains CHAP info for both ports which is
+ * divided into half for each port.
+ */
+ chap_size = ha->hw.flt_chap_size / 2;
+ offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
+ if (ha->port_num == 1)
+ offset += chap_size;
+ }
+
+ offset += (idx * sizeof(struct ql4_chap_table));
rval = qla4xxx_set_flash(ha, chap_dma, offset,
sizeof(struct ql4_chap_table),
FLASH_OPT_RMW_COMMIT);
@@ -1611,7 +1637,7 @@ int qla4xxx_get_uni_chap_at_index(struct scsi_qla_host *ha, char *username,
goto exit_unlock_uni_chap;
}
- if (!(chap_table->flags & BIT_6)) {
+ if (!(chap_table->flags & BIT_7)) {
ql4_printk(KERN_ERR, ha, "Unidirectional entry not set\n");
rval = QLA_ERROR;
goto exit_unlock_uni_chap;
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 1be6cefc390..a28d5e624aa 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -149,6 +149,8 @@ static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num,
static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx,
uint32_t *num_entries, char *buf);
static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx);
+static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data,
+ int len);
/*
* SCSI host template entry points
@@ -252,6 +254,7 @@ static struct iscsi_transport qla4xxx_iscsi_transport = {
.send_ping = qla4xxx_send_ping,
.get_chap = qla4xxx_get_chap_list,
.delete_chap = qla4xxx_delete_chap,
+ .set_chap = qla4xxx_set_chap_entry,
.get_flashnode_param = qla4xxx_sysfs_ddb_get_param,
.set_flashnode_param = qla4xxx_sysfs_ddb_set_param,
.new_flashnode = qla4xxx_sysfs_ddb_add,
@@ -508,6 +511,95 @@ static umode_t qla4_attr_is_visible(int param_type, int param)
return 0;
}
+static int qla4xxx_get_chap_by_index(struct scsi_qla_host *ha,
+ int16_t chap_index,
+ struct ql4_chap_table **chap_entry)
+{
+ int rval = QLA_ERROR;
+ int max_chap_entries;
+
+ if (!ha->chap_list) {
+ ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n");
+ rval = QLA_ERROR;
+ goto exit_get_chap;
+ }
+
+ if (is_qla80XX(ha))
+ max_chap_entries = (ha->hw.flt_chap_size / 2) /
+ sizeof(struct ql4_chap_table);
+ else
+ max_chap_entries = MAX_CHAP_ENTRIES_40XX;
+
+ if (chap_index > max_chap_entries) {
+ ql4_printk(KERN_ERR, ha, "Invalid Chap index\n");
+ rval = QLA_ERROR;
+ goto exit_get_chap;
+ }
+
+ *chap_entry = (struct ql4_chap_table *)ha->chap_list + chap_index;
+ if ((*chap_entry)->cookie !=
+ __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
+ rval = QLA_ERROR;
+ *chap_entry = NULL;
+ } else {
+ rval = QLA_SUCCESS;
+ }
+
+exit_get_chap:
+ return rval;
+}
+
+/**
+ * qla4xxx_find_free_chap_index - Find the first free chap index
+ * @ha: pointer to adapter structure
+ * @chap_index: CHAP index to be returned
+ *
+ * Find the first free chap index available in the chap table
+ *
+ * Note: Caller should acquire the chap lock before getting here.
+ **/
+static int qla4xxx_find_free_chap_index(struct scsi_qla_host *ha,
+ uint16_t *chap_index)
+{
+ int i, rval;
+ int free_index = -1;
+ int max_chap_entries = 0;
+ struct ql4_chap_table *chap_table;
+
+ if (is_qla80XX(ha))
+ max_chap_entries = (ha->hw.flt_chap_size / 2) /
+ sizeof(struct ql4_chap_table);
+ else
+ max_chap_entries = MAX_CHAP_ENTRIES_40XX;
+
+ if (!ha->chap_list) {
+ ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n");
+ rval = QLA_ERROR;
+ goto exit_find_chap;
+ }
+
+ for (i = 0; i < max_chap_entries; i++) {
+ chap_table = (struct ql4_chap_table *)ha->chap_list + i;
+
+ if ((chap_table->cookie !=
+ __constant_cpu_to_le16(CHAP_VALID_COOKIE)) &&
+ (i > MAX_RESRV_CHAP_IDX)) {
+ free_index = i;
+ break;
+ }
+ }
+
+ if (free_index != -1) {
+ *chap_index = free_index;
+ rval = QLA_SUCCESS;
+ } else {
+ rval = QLA_ERROR;
+ }
+
+exit_find_chap:
+ return rval;
+}
+
static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx,
uint32_t *num_entries, char *buf)
{
@@ -691,6 +783,111 @@ exit_delete_chap:
return ret;
}
+/**
+ * qla4xxx_set_chap_entry - Make chap entry with given information
+ * @shost: pointer to host
+ * @data: chap info - credentials, index and type to make chap entry
+ * @len: length of data
+ *
+ * Add or update chap entry with the given information
+ **/
+static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, int len)
+{
+ struct scsi_qla_host *ha = to_qla_host(shost);
+ struct iscsi_chap_rec chap_rec;
+ struct ql4_chap_table *chap_entry = NULL;
+ struct iscsi_param_info *param_info;
+ struct nlattr *attr;
+ int max_chap_entries = 0;
+ int type;
+ int rem = len;
+ int rc = 0;
+
+ memset(&chap_rec, 0, sizeof(chap_rec));
+
+ nla_for_each_attr(attr, data, len, rem) {
+ param_info = nla_data(attr);
+
+ switch (param_info->param) {
+ case ISCSI_CHAP_PARAM_INDEX:
+ chap_rec.chap_tbl_idx = *(uint16_t *)param_info->value;
+ break;
+ case ISCSI_CHAP_PARAM_CHAP_TYPE:
+ chap_rec.chap_type = param_info->value[0];
+ break;
+ case ISCSI_CHAP_PARAM_USERNAME:
+ memcpy(chap_rec.username, param_info->value,
+ param_info->len);
+ break;
+ case ISCSI_CHAP_PARAM_PASSWORD:
+ memcpy(chap_rec.password, param_info->value,
+ param_info->len);
+ break;
+ case ISCSI_CHAP_PARAM_PASSWORD_LEN:
+ chap_rec.password_length = param_info->value[0];
+ break;
+ default:
+ ql4_printk(KERN_ERR, ha,
+ "%s: No such sysfs attribute\n", __func__);
+ rc = -ENOSYS;
+ goto exit_set_chap;
+ };
+ }
+
+ if (chap_rec.chap_type == CHAP_TYPE_IN)
+ type = BIDI_CHAP;
+ else
+ type = LOCAL_CHAP;
+
+ if (is_qla80XX(ha))
+ max_chap_entries = (ha->hw.flt_chap_size / 2) /
+ sizeof(struct ql4_chap_table);
+ else
+ max_chap_entries = MAX_CHAP_ENTRIES_40XX;
+
+ mutex_lock(&ha->chap_sem);
+ if (chap_rec.chap_tbl_idx < max_chap_entries) {
+ rc = qla4xxx_get_chap_by_index(ha, chap_rec.chap_tbl_idx,
+ &chap_entry);
+ if (!rc) {
+ if (!(type == qla4xxx_get_chap_type(chap_entry))) {
+ ql4_printk(KERN_INFO, ha,
+ "Type mismatch for CHAP entry %d\n",
+ chap_rec.chap_tbl_idx);
+ rc = -EINVAL;
+ goto exit_unlock_chap;
+ }
+
+ /* If chap index is in use then don't modify it */
+ rc = qla4xxx_is_chap_active(shost,
+ chap_rec.chap_tbl_idx);
+ if (rc) {
+ ql4_printk(KERN_INFO, ha,
+ "CHAP entry %d is in use\n",
+ chap_rec.chap_tbl_idx);
+ rc = -EBUSY;
+ goto exit_unlock_chap;
+ }
+ }
+ } else {
+ rc = qla4xxx_find_free_chap_index(ha, &chap_rec.chap_tbl_idx);
+ if (rc) {
+ ql4_printk(KERN_INFO, ha, "CHAP entry not available\n");
+ rc = -EBUSY;
+ goto exit_unlock_chap;
+ }
+ }
+
+ rc = qla4xxx_set_chap(ha, chap_rec.username, chap_rec.password,
+ chap_rec.chap_tbl_idx, type);
+
+exit_unlock_chap:
+ mutex_unlock(&ha->chap_sem);
+
+exit_set_chap:
+ return rc;
+}
+
static int qla4xxx_get_iface_param(struct iscsi_iface *iface,
enum iscsi_param_type param_type,
int param, char *buf)
@@ -1455,9 +1652,12 @@ static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
struct iscsi_session *sess = cls_sess->dd_data;
struct ddb_entry *ddb_entry = sess->dd_data;
struct scsi_qla_host *ha = ddb_entry->ha;
+ struct iscsi_cls_conn *cls_conn = ddb_entry->conn;
+ struct ql4_chap_table chap_tbl;
int rval, len;
uint16_t idx;
+ memset(&chap_tbl, 0, sizeof(chap_tbl));
switch (param) {
case ISCSI_PARAM_CHAP_IN_IDX:
rval = qla4xxx_get_chap_index(ha, sess->username_in,
@@ -1469,14 +1669,46 @@ static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
len = sprintf(buf, "%hu\n", idx);
break;
case ISCSI_PARAM_CHAP_OUT_IDX:
- rval = qla4xxx_get_chap_index(ha, sess->username,
- sess->password, LOCAL_CHAP,
- &idx);
+ if (ddb_entry->ddb_type == FLASH_DDB) {
+ if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) {
+ idx = ddb_entry->chap_tbl_idx;
+ rval = QLA_SUCCESS;
+ } else {
+ rval = QLA_ERROR;
+ }
+ } else {
+ rval = qla4xxx_get_chap_index(ha, sess->username,
+ sess->password,
+ LOCAL_CHAP, &idx);
+ }
if (rval)
len = sprintf(buf, "\n");
else
len = sprintf(buf, "%hu\n", idx);
break;
+ case ISCSI_PARAM_USERNAME:
+ case ISCSI_PARAM_PASSWORD:
+ /* First, populate session username and password for FLASH DDB,
+ * if not already done. This happens when session login fails
+ * for a FLASH DDB.
+ */
+ if (ddb_entry->ddb_type == FLASH_DDB &&
+ ddb_entry->chap_tbl_idx != INVALID_ENTRY &&
+ !sess->username && !sess->password) {
+ idx = ddb_entry->chap_tbl_idx;
+ rval = qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name,
+ chap_tbl.secret,
+ idx);
+ if (!rval) {
+ iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME,
+ (char *)chap_tbl.name,
+ strlen((char *)chap_tbl.name));
+ iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD,
+ (char *)chap_tbl.secret,
+ chap_tbl.secret_len);
+ }
+ }
+ /* allow fall-through */
default:
return iscsi_session_get_param(cls_sess, param, buf);
}
@@ -2373,11 +2605,6 @@ static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn,
COPY_ISID(sess->isid, fw_ddb_entry->isid);
ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
- if (ddb_link < MAX_DDB_ENTRIES)
- sess->discovery_parent_idx = ddb_link;
- else
- sess->discovery_parent_idx = DDB_NO_LINK;
-
if (ddb_link == DDB_ISNS)
disc_parent = ISCSI_DISC_PARENT_ISNS;
else if (ddb_link == DDB_NO_LINK)
@@ -2402,6 +2629,7 @@ static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha,
int buflen = 0;
struct iscsi_session *sess;
struct ddb_entry *ddb_entry;
+ struct ql4_chap_table chap_tbl;
struct iscsi_conn *conn;
char ip_addr[DDB_IPADDR_LEN];
uint16_t options = 0;
@@ -2409,6 +2637,7 @@ static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha,
sess = cls_sess->dd_data;
ddb_entry = sess->dd_data;
conn = cls_conn->dd_data;
+ memset(&chap_tbl, 0, sizeof(chap_tbl));
ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
@@ -2435,6 +2664,19 @@ static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha,
(char *)fw_ddb_entry->iscsi_name, buflen);
iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME,
(char *)ha->name_string, buflen);
+
+ if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) {
+ if (!qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name,
+ chap_tbl.secret,
+ ddb_entry->chap_tbl_idx)) {
+ iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME,
+ (char *)chap_tbl.name,
+ strlen((char *)chap_tbl.name));
+ iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD,
+ (char *)chap_tbl.secret,
+ chap_tbl.secret_len);
+ }
+ }
}
void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha,
@@ -4937,7 +5179,8 @@ static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha,
}
static int qla4xxx_is_session_exists(struct scsi_qla_host *ha,
- struct dev_db_entry *fw_ddb_entry)
+ struct dev_db_entry *fw_ddb_entry,
+ uint32_t *index)
{
struct ddb_entry *ddb_entry;
struct ql4_tuple_ddb *fw_tddb = NULL;
@@ -4971,6 +5214,8 @@ static int qla4xxx_is_session_exists(struct scsi_qla_host *ha,
qla4xxx_get_param_ddb(ddb_entry, tmp_tddb);
if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) {
ret = QLA_SUCCESS; /* found */
+ if (index != NULL)
+ *index = idx;
goto exit_check;
}
}
@@ -5206,6 +5451,7 @@ static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha,
ddb_entry->ha = ha;
ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb;
ddb_entry->ddb_change = qla4xxx_flash_ddb_change;
+ ddb_entry->chap_tbl_idx = INVALID_ENTRY;
atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
atomic_set(&ddb_entry->relogin_timer, 0);
@@ -5267,6 +5513,87 @@ static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha)
} while (time_after(wtime, jiffies));
}
+static int qla4xxx_cmp_fw_stentry(struct dev_db_entry *fw_ddb_entry,
+ struct dev_db_entry *flash_ddb_entry)
+{
+ uint16_t options = 0;
+ size_t ip_len = IP_ADDR_LEN;
+
+ options = le16_to_cpu(fw_ddb_entry->options);
+ if (options & DDB_OPT_IPV6_DEVICE)
+ ip_len = IPv6_ADDR_LEN;
+
+ if (memcmp(fw_ddb_entry->ip_addr, flash_ddb_entry->ip_addr, ip_len))
+ return QLA_ERROR;
+
+ if (memcmp(&fw_ddb_entry->isid[0], &flash_ddb_entry->isid[0],
+ sizeof(fw_ddb_entry->isid)))
+ return QLA_ERROR;
+
+ if (memcmp(&fw_ddb_entry->port, &flash_ddb_entry->port,
+ sizeof(fw_ddb_entry->port)))
+ return QLA_ERROR;
+
+ return QLA_SUCCESS;
+}
+
+static int qla4xxx_find_flash_st_idx(struct scsi_qla_host *ha,
+ struct dev_db_entry *fw_ddb_entry,
+ uint32_t fw_idx, uint32_t *flash_index)
+{
+ struct dev_db_entry *flash_ddb_entry;
+ dma_addr_t flash_ddb_entry_dma;
+ uint32_t idx = 0;
+ int max_ddbs;
+ int ret = QLA_ERROR, status;
+
+ max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
+ MAX_DEV_DB_ENTRIES;
+
+ flash_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
+ &flash_ddb_entry_dma);
+ if (flash_ddb_entry == NULL || fw_ddb_entry == NULL) {
+ ql4_printk(KERN_ERR, ha, "Out of memory\n");
+ goto exit_find_st_idx;
+ }
+
+ status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry,
+ flash_ddb_entry_dma, fw_idx);
+ if (status == QLA_SUCCESS) {
+ status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry);
+ if (status == QLA_SUCCESS) {
+ *flash_index = fw_idx;
+ ret = QLA_SUCCESS;
+ goto exit_find_st_idx;
+ }
+ }
+
+ for (idx = 0; idx < max_ddbs; idx++) {
+ status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry,
+ flash_ddb_entry_dma, idx);
+ if (status == QLA_ERROR)
+ continue;
+
+ status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry);
+ if (status == QLA_SUCCESS) {
+ *flash_index = idx;
+ ret = QLA_SUCCESS;
+ goto exit_find_st_idx;
+ }
+ }
+
+ if (idx == max_ddbs)
+ ql4_printk(KERN_ERR, ha, "Failed to find ST [%d] in flash\n",
+ fw_idx);
+
+exit_find_st_idx:
+ if (flash_ddb_entry)
+ dma_pool_free(ha->fw_ddb_dma_pool, flash_ddb_entry,
+ flash_ddb_entry_dma);
+
+ return ret;
+}
+
static void qla4xxx_build_st_list(struct scsi_qla_host *ha,
struct list_head *list_st)
{
@@ -5278,6 +5605,7 @@ static void qla4xxx_build_st_list(struct scsi_qla_host *ha,
int ret;
uint32_t idx = 0, next_idx = 0;
uint32_t state = 0, conn_err = 0;
+ uint32_t flash_index = -1;
uint16_t conn_id = 0;
fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
@@ -5310,6 +5638,19 @@ static void qla4xxx_build_st_list(struct scsi_qla_host *ha,
if (!st_ddb_idx)
break;
+ ret = qla4xxx_find_flash_st_idx(ha, fw_ddb_entry, idx,
+ &flash_index);
+ if (ret == QLA_ERROR) {
+ ql4_printk(KERN_ERR, ha,
+ "No flash entry for ST at idx [%d]\n", idx);
+ st_ddb_idx->flash_ddb_idx = idx;
+ } else {
+ ql4_printk(KERN_INFO, ha,
+ "ST at idx [%d] is stored at flash [%d]\n",
+ idx, flash_index);
+ st_ddb_idx->flash_ddb_idx = flash_index;
+ }
+
st_ddb_idx->fw_ddb_idx = idx;
list_add_tail(&st_ddb_idx->list, list_st);
@@ -5354,6 +5695,28 @@ static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha,
}
}
+static void qla4xxx_update_sess_disc_idx(struct scsi_qla_host *ha,
+ struct ddb_entry *ddb_entry,
+ struct dev_db_entry *fw_ddb_entry)
+{
+ struct iscsi_cls_session *cls_sess;
+ struct iscsi_session *sess;
+ uint32_t max_ddbs = 0;
+ uint16_t ddb_link = -1;
+
+ max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
+ MAX_DEV_DB_ENTRIES;
+
+ cls_sess = ddb_entry->sess;
+ sess = cls_sess->dd_data;
+
+ ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
+ if (ddb_link < max_ddbs)
+ sess->discovery_parent_idx = ddb_link;
+ else
+ sess->discovery_parent_idx = DDB_NO_LINK;
+}
+
static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha,
struct dev_db_entry *fw_ddb_entry,
int is_reset, uint16_t idx)
@@ -5418,6 +5781,7 @@ static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha,
/* Update sess/conn params */
qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn);
+ qla4xxx_update_sess_disc_idx(ha, ddb_entry, fw_ddb_entry);
if (is_reset == RESET_ADAPTER) {
iscsi_block_session(cls_sess);
@@ -5434,17 +5798,43 @@ exit_setup:
return ret;
}
+static void qla4xxx_update_fw_ddb_link(struct scsi_qla_host *ha,
+ struct list_head *list_ddb,
+ struct dev_db_entry *fw_ddb_entry)
+{
+ struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
+ uint16_t ddb_link;
+
+ ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
+
+ list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
+ if (ddb_idx->fw_ddb_idx == ddb_link) {
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Updating NT parent idx from [%d] to [%d]\n",
+ ddb_link, ddb_idx->flash_ddb_idx));
+ fw_ddb_entry->ddb_link =
+ cpu_to_le16(ddb_idx->flash_ddb_idx);
+ return;
+ }
+ }
+}
+
static void qla4xxx_build_nt_list(struct scsi_qla_host *ha,
- struct list_head *list_nt, int is_reset)
+ struct list_head *list_nt,
+ struct list_head *list_st,
+ int is_reset)
{
struct dev_db_entry *fw_ddb_entry;
+ struct ddb_entry *ddb_entry = NULL;
dma_addr_t fw_ddb_dma;
int max_ddbs;
int fw_idx_size;
int ret;
uint32_t idx = 0, next_idx = 0;
uint32_t state = 0, conn_err = 0;
+ uint32_t ddb_idx = -1;
uint16_t conn_id = 0;
+ uint16_t ddb_link = -1;
struct qla_ddb_index *nt_ddb_idx;
fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
@@ -5471,12 +5861,18 @@ static void qla4xxx_build_nt_list(struct scsi_qla_host *ha,
if (strlen((char *) fw_ddb_entry->iscsi_name) == 0)
goto continue_next_nt;
+ ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
+ if (ddb_link < max_ddbs)
+ qla4xxx_update_fw_ddb_link(ha, list_st, fw_ddb_entry);
+
if (!(state == DDB_DS_NO_CONNECTION_ACTIVE ||
- state == DDB_DS_SESSION_FAILED))
+ state == DDB_DS_SESSION_FAILED) &&
+ (is_reset == INIT_ADAPTER))
goto continue_next_nt;
DEBUG2(ql4_printk(KERN_INFO, ha,
"Adding DDB to session = 0x%x\n", idx));
+
if (is_reset == INIT_ADAPTER) {
nt_ddb_idx = vmalloc(fw_idx_size);
if (!nt_ddb_idx)
@@ -5506,9 +5902,17 @@ static void qla4xxx_build_nt_list(struct scsi_qla_host *ha,
list_add_tail(&nt_ddb_idx->list, list_nt);
} else if (is_reset == RESET_ADAPTER) {
- if (qla4xxx_is_session_exists(ha, fw_ddb_entry) ==
- QLA_SUCCESS)
+ ret = qla4xxx_is_session_exists(ha, fw_ddb_entry,
+ &ddb_idx);
+ if (ret == QLA_SUCCESS) {
+ ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha,
+ ddb_idx);
+ if (ddb_entry != NULL)
+ qla4xxx_update_sess_disc_idx(ha,
+ ddb_entry,
+ fw_ddb_entry);
goto continue_next_nt;
+ }
}
ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx);
@@ -5526,7 +5930,8 @@ exit_nt_list:
}
static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha,
- struct list_head *list_nt)
+ struct list_head *list_nt,
+ uint16_t target_id)
{
struct dev_db_entry *fw_ddb_entry;
dma_addr_t fw_ddb_dma;
@@ -5571,13 +5976,16 @@ static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha,
nt_ddb_idx->fw_ddb_idx = idx;
- ret = qla4xxx_is_session_exists(ha, fw_ddb_entry);
+ ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL);
if (ret == QLA_SUCCESS) {
/* free nt_ddb_idx and do not add to list_nt */
vfree(nt_ddb_idx);
goto continue_next_new_nt;
}
+ if (target_id < max_ddbs)
+ fw_ddb_entry->ddb_link = cpu_to_le16(target_id);
+
list_add_tail(&nt_ddb_idx->list, list_nt);
ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER,
@@ -5894,7 +6302,8 @@ exit_ddb_conn_open:
}
static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha,
- struct dev_db_entry *fw_ddb_entry)
+ struct dev_db_entry *fw_ddb_entry,
+ uint16_t target_id)
{
struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
struct list_head list_nt;
@@ -5919,7 +6328,7 @@ static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha,
if (ret == QLA_ERROR)
goto exit_login_st;
- qla4xxx_build_new_nt_list(ha, &list_nt);
+ qla4xxx_build_new_nt_list(ha, &list_nt, target_id);
list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, &list_nt, list) {
list_del_init(&ddb_idx->list);
@@ -5946,7 +6355,7 @@ static int qla4xxx_ddb_login_nt(struct scsi_qla_host *ha,
{
int ret = QLA_ERROR;
- ret = qla4xxx_is_session_exists(ha, fw_ddb_entry);
+ ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL);
if (ret != QLA_SUCCESS)
ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER,
idx);
@@ -6001,7 +6410,8 @@ static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess,
fw_ddb_entry->cookie = DDB_VALID_COOKIE;
if (strlen((char *)fw_ddb_entry->iscsi_name) == 0)
- ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry);
+ ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry,
+ fnode_sess->target_id);
else
ret = qla4xxx_ddb_login_nt(ha, fw_ddb_entry,
fnode_sess->target_id);
@@ -6522,10 +6932,13 @@ qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess,
struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
struct scsi_qla_host *ha = to_qla_host(shost);
struct iscsi_flashnode_param_info *fnode_param;
+ struct ql4_chap_table chap_tbl;
struct nlattr *attr;
+ uint16_t chap_out_idx = INVALID_ENTRY;
int rc = QLA_ERROR;
uint32_t rem = len;
+ memset((void *)&chap_tbl, 0, sizeof(chap_tbl));
nla_for_each_attr(attr, data, len, rem) {
fnode_param = nla_data(attr);
@@ -6567,6 +6980,10 @@ qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess,
break;
case ISCSI_FLASHNODE_CHAP_AUTH_EN:
fnode_sess->chap_auth_en = fnode_param->value[0];
+ /* Invalidate chap index if chap auth is disabled */
+ if (!fnode_sess->chap_auth_en)
+ fnode_sess->chap_out_idx = INVALID_ENTRY;
+
break;
case ISCSI_FLASHNODE_SNACK_REQ_EN:
fnode_conn->snack_req_en = fnode_param->value[0];
@@ -6705,6 +7122,17 @@ qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess,
fnode_conn->exp_statsn =
*(uint32_t *)fnode_param->value;
break;
+ case ISCSI_FLASHNODE_CHAP_OUT_IDX:
+ chap_out_idx = *(uint16_t *)fnode_param->value;
+ if (!qla4xxx_get_uni_chap_at_index(ha,
+ chap_tbl.name,
+ chap_tbl.secret,
+ chap_out_idx)) {
+ fnode_sess->chap_out_idx = chap_out_idx;
+ /* Enable chap auth if chap index is valid */
+ fnode_sess->chap_auth_en = QL4_PARAM_ENABLE;
+ }
+ break;
default:
ql4_printk(KERN_ERR, ha,
"%s: No such sysfs attribute\n", __func__);
@@ -6926,11 +7354,10 @@ void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset)
schedule_timeout_uninterruptible(HZ / 10);
} while (time_after(wtime, jiffies));
- /* Free up the sendtargets list */
- qla4xxx_free_ddb_list(&list_st);
- qla4xxx_build_nt_list(ha, &list_nt, is_reset);
+ qla4xxx_build_nt_list(ha, &list_nt, &list_st, is_reset);
+ qla4xxx_free_ddb_list(&list_st);
qla4xxx_free_ddb_list(&list_nt);
qla4xxx_free_ddb_index(ha);
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-27 16:43:15 +0000