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authorManish Rangankar <manish.rangankar@qlogic.com>2011-07-25 13:48:55 -0500
committerJames Bottomley <JBottomley@Parallels.com>2011-08-27 08:36:27 -0600
commit2a991c2159782b8d318ac9f88a36c22dda3e7185 (patch)
tree963cc3bec9517038458ad7e71b9a5d45ede4d360
parent0e7e85019c2709131b10c5f34b602cc6b94fe782 (diff)
[SCSI] qla4xxx: Boot from SAN support for open-iscsi
Hook qla4xxx in fw boot sysfs interface so iscsi tools can use the info to create boot sessions. Signed-off-by: Manish Rangankar <manish.rangankar@qlogic.com> Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
-rw-r--r--drivers/scsi/qla4xxx/ql4_def.h42
-rw-r--r--drivers/scsi/qla4xxx/ql4_fw.h21
-rw-r--r--drivers/scsi/qla4xxx/ql4_glbl.h7
-rw-r--r--drivers/scsi/qla4xxx/ql4_mbx.c77
-rw-r--r--drivers/scsi/qla4xxx/ql4_nvram.c21
-rw-r--r--drivers/scsi/qla4xxx/ql4_nx.c4
-rw-r--r--drivers/scsi/qla4xxx/ql4_os.c480
7 files changed, 650 insertions, 2 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index 6e2be9d963a..30efb6c6594 100644
--- a/drivers/scsi/qla4xxx/ql4_def.h
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -276,6 +276,8 @@ struct ql82xx_hw_data {
uint32_t flt_region_boot;
uint32_t flt_region_bootload;
uint32_t flt_region_fw;
+
+ uint32_t flt_iscsi_param;
uint32_t reserved;
};
@@ -343,6 +345,41 @@ struct ipaddress_config {
struct in6_addr ipv6_default_router_addr;
};
+#define QL4_CHAP_MAX_NAME_LEN 256
+#define QL4_CHAP_MAX_SECRET_LEN 100
+
+struct ql4_chap_format {
+ u8 intr_chap_name[QL4_CHAP_MAX_NAME_LEN];
+ u8 intr_secret[QL4_CHAP_MAX_SECRET_LEN];
+ u8 target_chap_name[QL4_CHAP_MAX_NAME_LEN];
+ u8 target_secret[QL4_CHAP_MAX_SECRET_LEN];
+ u16 intr_chap_name_length;
+ u16 intr_secret_length;
+ u16 target_chap_name_length;
+ u16 target_secret_length;
+};
+
+struct ip_address_format {
+ u8 ip_type;
+ u8 ip_address[16];
+};
+
+struct ql4_conn_info {
+ u16 dest_port;
+ struct ip_address_format dest_ipaddr;
+ struct ql4_chap_format chap;
+};
+
+struct ql4_boot_session_info {
+ u8 target_name[224];
+ struct ql4_conn_info conn_list[1];
+};
+
+struct ql4_boot_tgt_info {
+ struct ql4_boot_session_info boot_pri_sess;
+ struct ql4_boot_session_info boot_sec_sess;
+};
+
/*
* Linux Host Adapter structure
*/
@@ -444,7 +481,7 @@ struct scsi_qla_host {
/* --- From FlashSysInfo --- */
uint8_t my_mac[MAC_ADDR_LEN];
uint8_t serial_number[16];
-
+ uint16_t port_num;
/* --- From GetFwState --- */
uint32_t firmware_state;
uint32_t addl_fw_state;
@@ -569,6 +606,9 @@ struct scsi_qla_host {
#define CHAP_DMA_BLOCK_SIZE 512
struct workqueue_struct *task_wq;
unsigned long ddb_idx_map[MAX_DDB_ENTRIES / BITS_PER_LONG];
+#define SYSFS_FLAG_FW_SEL_BOOT 2
+ struct iscsi_boot_kset *boot_kset;
+ struct ql4_boot_tgt_info boot_tgt;
};
struct ql4_task_data {
diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h
index 99098d51543..9dc439b0d75 100644
--- a/drivers/scsi/qla4xxx/ql4_fw.h
+++ b/drivers/scsi/qla4xxx/ql4_fw.h
@@ -146,6 +146,13 @@ struct isp_reg {
#define QL4022_NVRAM_SEM_MASK (QL4022_RESOURCE_MASK_BASE_CODE << (10+16))
#define QL4022_FLASH_SEM_MASK (QL4022_RESOURCE_MASK_BASE_CODE << (13+16))
+/* nvram address for 4032 */
+#define NVRAM_PORT0_BOOT_MODE 0x03b1
+#define NVRAM_PORT0_BOOT_PRI_TGT 0x03b2
+#define NVRAM_PORT0_BOOT_SEC_TGT 0x03bb
+#define NVRAM_PORT1_BOOT_MODE 0x07b1
+#define NVRAM_PORT1_BOOT_PRI_TGT 0x07b2
+#define NVRAM_PORT1_BOOT_SEC_TGT 0x07bb
/* Page # defines for 4022 */
@@ -298,6 +305,7 @@ struct qla_flt_header {
#define FLT_REG_FW_82 0x74
#define FLT_REG_GOLD_FW_82 0x75
#define FLT_REG_BOOT_CODE_82 0x78
+#define FLT_REG_ISCSI_PARAM 0x65
struct qla_flt_region {
uint32_t code;
@@ -733,7 +741,10 @@ struct dev_db_entry {
uint8_t tcp_rcv_wsf; /* 1C7 */
uint32_t stat_sn; /* 1C8-1CB */
uint32_t exp_stat_sn; /* 1CC-1CF */
- uint8_t res6[0x30]; /* 1D0-1FF */
+ uint8_t res6[0x2b]; /* 1D0-1FB */
+#define DDB_VALID_COOKIE 0x9034
+ uint16_t cookie; /* 1FC-1FD */
+ uint16_t len; /* 1FE-1FF */
};
/*************************************************************************/
@@ -745,6 +756,14 @@ struct dev_db_entry {
#define FLASH_EOF_OFFSET (FLASH_DEFAULTBLOCKSIZE-8) /* 4 bytes
* for EOF
* signature */
+#define FLASH_RAW_ACCESS_ADDR 0x8e000000
+
+#define BOOT_PARAM_OFFSET_PORT0 0x3b0
+#define BOOT_PARAM_OFFSET_PORT1 0x7b0
+
+#define FLASH_OFFSET_DB_INFO 0x05000000
+#define FLASH_OFFSET_DB_END (FLASH_OFFSET_DB_INFO + 0x7fff)
+
struct sys_info_phys_addr {
uint8_t address[6]; /* 00-05 */
diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h
index 85b8253b3fc..98d4b17e8b1 100644
--- a/drivers/scsi/qla4xxx/ql4_glbl.h
+++ b/drivers/scsi/qla4xxx/ql4_glbl.h
@@ -60,6 +60,7 @@ int qla4xxx_get_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
uint32_t *mbox_sts, dma_addr_t acb_dma);
void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session);
u16 rd_nvram_word(struct scsi_qla_host *ha, int offset);
+u8 rd_nvram_byte(struct scsi_qla_host *ha, int offset);
void qla4xxx_get_crash_record(struct scsi_qla_host *ha);
int qla4xxx_is_nvram_configuration_valid(struct scsi_qla_host *ha);
int qla4xxx_about_firmware(struct scsi_qla_host *ha);
@@ -154,6 +155,12 @@ int qla4xxx_get_mgmt_data(struct scsi_qla_host *ha, uint16_t fw_ddb_index,
uint16_t stats_size, dma_addr_t stats_dma);
void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
struct ddb_entry *ddb_entry);
+int qla4xxx_bootdb_by_index(struct scsi_qla_host *ha,
+ struct dev_db_entry *fw_ddb_entry,
+ dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index);
+int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username,
+ char *password, uint16_t idx);
+
/* BSG Functions */
int qla4xxx_bsg_request(struct bsg_job *bsg_job);
int qla4xxx_process_vendor_specific(struct bsg_job *bsg_job);
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index 21884019dab..72ec7e09229 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -1262,6 +1262,83 @@ int qla4xxx_set_flash(struct scsi_qla_host *ha, dma_addr_t dma_addr,
return status;
}
+int qla4xxx_bootdb_by_index(struct scsi_qla_host *ha,
+ struct dev_db_entry *fw_ddb_entry,
+ dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index)
+{
+ uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO;
+ uint32_t dev_db_end_offset;
+ int status = QLA_ERROR;
+
+ memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry));
+
+ dev_db_start_offset += (ddb_index * sizeof(*fw_ddb_entry));
+ dev_db_end_offset = FLASH_OFFSET_DB_END;
+
+ if (dev_db_start_offset > dev_db_end_offset) {
+ DEBUG2(ql4_printk(KERN_ERR, ha,
+ "%s:Invalid DDB index %d", __func__,
+ ddb_index));
+ goto exit_bootdb_failed;
+ }
+
+ if (qla4xxx_get_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
+ sizeof(*fw_ddb_entry)) != QLA_SUCCESS) {
+ ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash"
+ "failed\n", ha->host_no, __func__);
+ goto exit_bootdb_failed;
+ }
+
+ if (fw_ddb_entry->cookie == DDB_VALID_COOKIE)
+ status = QLA_SUCCESS;
+
+exit_bootdb_failed:
+ return status;
+}
+
+int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username, char *password,
+ uint16_t idx)
+{
+ int ret = 0;
+ int rval = QLA_ERROR;
+ uint32_t offset = 0;
+ struct ql4_chap_table *chap_table;
+ dma_addr_t chap_dma;
+
+ chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
+ if (chap_table == NULL) {
+ ret = -ENOMEM;
+ goto exit_get_chap;
+ }
+
+ memset(chap_table, 0, sizeof(struct ql4_chap_table));
+
+ offset = 0x06000000 | (idx * sizeof(struct ql4_chap_table));
+
+ rval = qla4xxx_get_flash(ha, chap_dma, offset,
+ sizeof(struct ql4_chap_table));
+ if (rval != QLA_SUCCESS) {
+ ret = -EINVAL;
+ goto exit_get_chap;
+ }
+
+ DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n",
+ __le16_to_cpu(chap_table->cookie)));
+
+ if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) {
+ ql4_printk(KERN_ERR, ha, "No valid chap entry found\n");
+ goto exit_get_chap;
+ }
+
+ strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN);
+ strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN);
+ chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
+
+exit_get_chap:
+ dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
+ return ret;
+}
+
static int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username,
char *password, uint16_t idx, int bidi)
{
diff --git a/drivers/scsi/qla4xxx/ql4_nvram.c b/drivers/scsi/qla4xxx/ql4_nvram.c
index b4b859b2d47..7851f314ba9 100644
--- a/drivers/scsi/qla4xxx/ql4_nvram.c
+++ b/drivers/scsi/qla4xxx/ql4_nvram.c
@@ -156,6 +156,27 @@ u16 rd_nvram_word(struct scsi_qla_host * ha, int offset)
return val;
}
+u8 rd_nvram_byte(struct scsi_qla_host *ha, int offset)
+{
+ u16 val = 0;
+ u8 rval = 0;
+ int index = 0;
+
+ if (offset & 0x1)
+ index = (offset - 1) / 2;
+ else
+ index = offset / 2;
+
+ val = le16_to_cpu(rd_nvram_word(ha, index));
+
+ if (offset & 0x1)
+ rval = (u8)((val & 0xff00) >> 8);
+ else
+ rval = (u8)((val & 0x00ff));
+
+ return rval;
+}
+
int qla4xxx_is_nvram_configuration_valid(struct scsi_qla_host * ha)
{
int status = QLA_ERROR;
diff --git a/drivers/scsi/qla4xxx/ql4_nx.c b/drivers/scsi/qla4xxx/ql4_nx.c
index fdfe27b3869..52a1063e4fd 100644
--- a/drivers/scsi/qla4xxx/ql4_nx.c
+++ b/drivers/scsi/qla4xxx/ql4_nx.c
@@ -2020,6 +2020,9 @@ qla4_8xxx_get_flt_info(struct scsi_qla_host *ha, uint32_t flt_addr)
case FLT_REG_BOOTLOAD_82:
hw->flt_region_bootload = start;
break;
+ case FLT_REG_ISCSI_PARAM:
+ hw->flt_iscsi_param = start;
+ break;
}
}
goto done;
@@ -2258,6 +2261,7 @@ int qla4_8xxx_get_sys_info(struct scsi_qla_host *ha)
}
/* Save M.A.C. address & serial_number */
+ ha->port_num = sys_info->port_num;
memcpy(ha->my_mac, &sys_info->mac_addr[0],
min(sizeof(ha->my_mac), sizeof(sys_info->mac_addr)));
memcpy(ha->serial_number, &sys_info->serial_number,
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index bfb3d37612f..15355f95f56 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -6,6 +6,8 @@
*/
#include <linux/moduleparam.h>
#include <linux/slab.h>
+#include <linux/blkdev.h>
+#include <linux/iscsi_boot_sysfs.h>
#include <scsi/scsi_tcq.h>
#include <scsi/scsicam.h>
@@ -2551,6 +2553,477 @@ uint16_t qla4_8xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha)
return (uint16_t)le32_to_cpu(readl(&ha->qla4_8xxx_reg->rsp_q_in));
}
+static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf)
+{
+ struct scsi_qla_host *ha = data;
+ char *str = buf;
+ int rc;
+
+ switch (type) {
+ case ISCSI_BOOT_ETH_FLAGS:
+ rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT);
+ break;
+ case ISCSI_BOOT_ETH_INDEX:
+ rc = sprintf(str, "0\n");
+ break;
+ case ISCSI_BOOT_ETH_MAC:
+ rc = sysfs_format_mac(str, ha->my_mac,
+ MAC_ADDR_LEN);
+ break;
+ default:
+ rc = -ENOSYS;
+ break;
+ }
+ return rc;
+}
+
+static mode_t qla4xxx_eth_get_attr_visibility(void *data, int type)
+{
+ int rc;
+
+ switch (type) {
+ case ISCSI_BOOT_ETH_FLAGS:
+ case ISCSI_BOOT_ETH_MAC:
+ case ISCSI_BOOT_ETH_INDEX:
+ rc = S_IRUGO;
+ break;
+ default:
+ rc = 0;
+ break;
+ }
+ return rc;
+}
+
+static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf)
+{
+ struct scsi_qla_host *ha = data;
+ char *str = buf;
+ int rc;
+
+ switch (type) {
+ case ISCSI_BOOT_INI_INITIATOR_NAME:
+ rc = sprintf(str, "%s\n", ha->name_string);
+ break;
+ default:
+ rc = -ENOSYS;
+ break;
+ }
+ return rc;
+}
+
+static mode_t qla4xxx_ini_get_attr_visibility(void *data, int type)
+{
+ int rc;
+
+ switch (type) {
+ case ISCSI_BOOT_INI_INITIATOR_NAME:
+ rc = S_IRUGO;
+ break;
+ default:
+ rc = 0;
+ break;
+ }
+ return rc;
+}
+
+static ssize_t
+qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type,
+ char *buf)
+{
+ struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0];
+ char *str = buf;
+ int rc;
+
+ switch (type) {
+ case ISCSI_BOOT_TGT_NAME:
+ rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name);
+ break;
+ case ISCSI_BOOT_TGT_IP_ADDR:
+ if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1)
+ rc = sprintf(buf, "%pI4\n",
+ &boot_conn->dest_ipaddr.ip_address);
+ else
+ rc = sprintf(str, "%pI6\n",
+ &boot_conn->dest_ipaddr.ip_address);
+ break;
+ case ISCSI_BOOT_TGT_PORT:
+ rc = sprintf(str, "%d\n", boot_conn->dest_port);
+ break;
+ case ISCSI_BOOT_TGT_CHAP_NAME:
+ rc = sprintf(str, "%.*s\n",
+ boot_conn->chap.target_chap_name_length,
+ (char *)&boot_conn->chap.target_chap_name);
+ break;
+ case ISCSI_BOOT_TGT_CHAP_SECRET:
+ rc = sprintf(str, "%.*s\n",
+ boot_conn->chap.target_secret_length,
+ (char *)&boot_conn->chap.target_secret);
+ break;
+ case ISCSI_BOOT_TGT_REV_CHAP_NAME:
+ rc = sprintf(str, "%.*s\n",
+ boot_conn->chap.intr_chap_name_length,
+ (char *)&boot_conn->chap.intr_chap_name);
+ break;
+ case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
+ rc = sprintf(str, "%.*s\n",
+ boot_conn->chap.intr_secret_length,
+ (char *)&boot_conn->chap.intr_secret);
+ break;
+ case ISCSI_BOOT_TGT_FLAGS:
+ rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT);
+ break;
+ case ISCSI_BOOT_TGT_NIC_ASSOC:
+ rc = sprintf(str, "0\n");
+ break;
+ default:
+ rc = -ENOSYS;
+ break;
+ }
+ return rc;
+}
+
+static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf)
+{
+ struct scsi_qla_host *ha = data;
+ struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess);
+
+ return qla4xxx_show_boot_tgt_info(boot_sess, type, buf);
+}
+
+static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf)
+{
+ struct scsi_qla_host *ha = data;
+ struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess);
+
+ return qla4xxx_show_boot_tgt_info(boot_sess, type, buf);
+}
+
+static mode_t qla4xxx_tgt_get_attr_visibility(void *data, int type)
+{
+ int rc;
+
+ switch (type) {
+ case ISCSI_BOOT_TGT_NAME:
+ case ISCSI_BOOT_TGT_IP_ADDR:
+ case ISCSI_BOOT_TGT_PORT:
+ case ISCSI_BOOT_TGT_CHAP_NAME:
+ case ISCSI_BOOT_TGT_CHAP_SECRET:
+ case ISCSI_BOOT_TGT_REV_CHAP_NAME:
+ case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
+ case ISCSI_BOOT_TGT_NIC_ASSOC:
+ case ISCSI_BOOT_TGT_FLAGS:
+ rc = S_IRUGO;
+ break;
+ default:
+ rc = 0;
+ break;
+ }
+ return rc;
+}
+
+static void qla4xxx_boot_release(void *data)
+{
+ struct scsi_qla_host *ha = data;
+
+ scsi_host_put(ha->host);
+}
+
+static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[])
+{
+ dma_addr_t buf_dma;
+ uint32_t addr, pri_addr, sec_addr;
+ uint32_t offset;
+ uint16_t func_num;
+ uint8_t val;
+ uint8_t *buf = NULL;
+ size_t size = 13 * sizeof(uint8_t);
+ int ret = QLA_SUCCESS;
+
+ func_num = PCI_FUNC(ha->pdev->devfn);
+
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "%s: Get FW boot info for 0x%x func %d\n", __func__,
+ (is_qla4032(ha) ? PCI_DEVICE_ID_QLOGIC_ISP4032 :
+ PCI_DEVICE_ID_QLOGIC_ISP8022), func_num));
+
+ if (is_qla4032(ha)) {
+ if (func_num == 1) {
+ addr = NVRAM_PORT0_BOOT_MODE;
+ pri_addr = NVRAM_PORT0_BOOT_PRI_TGT;
+ sec_addr = NVRAM_PORT0_BOOT_SEC_TGT;
+ } else if (func_num == 3) {
+ addr = NVRAM_PORT1_BOOT_MODE;
+ pri_addr = NVRAM_PORT1_BOOT_PRI_TGT;
+ sec_addr = NVRAM_PORT1_BOOT_SEC_TGT;
+ } else {
+ ret = QLA_ERROR;
+ goto exit_boot_info;
+ }
+
+ /* Check Boot Mode */
+ val = rd_nvram_byte(ha, addr);
+ if (!(val & 0x07)) {
+ DEBUG2(ql4_printk(KERN_ERR, ha,
+ "%s: Failed Boot options : 0x%x\n",
+ __func__, val));
+ ret = QLA_ERROR;
+ goto exit_boot_info;
+ }
+
+ /* get primary valid target index */
+ val = rd_nvram_byte(ha, pri_addr);
+ if (val & BIT_7)
+ ddb_index[0] = (val & 0x7f);
+ else
+ ddb_index[0] = 0;
+
+ /* get secondary valid target index */
+ val = rd_nvram_byte(ha, sec_addr);
+ if (val & BIT_7)
+ ddb_index[1] = (val & 0x7f);
+ else
+ ddb_index[1] = 1;
+
+ } else if (is_qla8022(ha)) {
+ buf = dma_alloc_coherent(&ha->pdev->dev, size,
+ &buf_dma, GFP_KERNEL);
+ if (!buf) {
+ DEBUG2(ql4_printk(KERN_ERR, ha,
+ "%s: Unable to allocate dma buffer\n",
+ __func__));
+ ret = QLA_ERROR;
+ goto exit_boot_info;
+ }
+
+ if (ha->port_num == 0)
+ offset = BOOT_PARAM_OFFSET_PORT0;
+ else if (ha->port_num == 1)
+ offset = BOOT_PARAM_OFFSET_PORT1;
+ else {
+ ret = QLA_ERROR;
+ goto exit_boot_info_free;
+ }
+ addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) +
+ offset;
+ if (qla4xxx_get_flash(ha, buf_dma, addr,
+ 13 * sizeof(uint8_t)) != QLA_SUCCESS) {
+ DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash"
+ "failed\n", ha->host_no, __func__));
+ ret = QLA_ERROR;
+ goto exit_boot_info_free;
+ }
+ /* Check Boot Mode */
+ if (!(buf[1] & 0x07)) {
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "Failed: Boot options : 0x%x\n",
+ buf[1]));
+ ret = QLA_ERROR;
+ goto exit_boot_info_free;
+ }
+
+ /* get primary valid target index */
+ if (buf[2] & BIT_7)
+ ddb_index[0] = buf[2] & 0x7f;
+ else
+ ddb_index[0] = 0;
+
+ /* get secondary valid target index */
+ if (buf[11] & BIT_7)
+ ddb_index[1] = buf[11] & 0x7f;
+ else
+ ddb_index[1] = 1;
+
+ } else {
+ ret = QLA_ERROR;
+ goto exit_boot_info;
+ }
+
+ DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary"
+ " target ID %d\n", __func__, ddb_index[0],
+ ddb_index[1]));
+
+exit_boot_info_free:
+ dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma);
+exit_boot_info:
+ return ret;
+}
+
+static int qla4xxx_get_boot_target(struct scsi_qla_host *ha,
+ struct ql4_boot_session_info *boot_sess,
+ uint16_t ddb_index)
+{
+ struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0];
+ struct dev_db_entry *fw_ddb_entry;
+ dma_addr_t fw_ddb_entry_dma;
+ uint16_t idx;
+ uint16_t options;
+ int ret = QLA_SUCCESS;
+
+ fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+ &fw_ddb_entry_dma, GFP_KERNEL);
+ if (!fw_ddb_entry) {
+ DEBUG2(ql4_printk(KERN_ERR, ha,
+ "%s: Unable to allocate dma buffer.\n",
+ __func__));
+ ret = QLA_ERROR;
+ return ret;
+ }
+
+ if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry,
+ fw_ddb_entry_dma, ddb_index)) {
+ DEBUG2(ql4_printk(KERN_ERR, ha,
+ "%s: Flash DDB read Failed\n", __func__));
+ ret = QLA_ERROR;
+ goto exit_boot_target;
+ }
+
+ /* Update target name and IP from DDB */
+ memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name,
+ min(sizeof(boot_sess->target_name),
+ sizeof(fw_ddb_entry->iscsi_name)));
+
+ options = le16_to_cpu(fw_ddb_entry->options);
+ if (options & DDB_OPT_IPV6_DEVICE) {
+ memcpy(&boot_conn->dest_ipaddr.ip_address,
+ &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN);
+ } else {
+ boot_conn->dest_ipaddr.ip_type = 0x1;
+ memcpy(&boot_conn->dest_ipaddr.ip_address,
+ &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN);
+ }
+
+ boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port);
+
+ /* update chap information */
+ idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
+
+ if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) {
+
+ DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n"));
+
+ ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap.
+ target_chap_name,
+ (char *)&boot_conn->chap.target_secret,
+ idx);
+ if (ret) {
+ ql4_printk(KERN_ERR, ha, "Failed to set chap\n");
+ ret = QLA_ERROR;
+ goto exit_boot_target;
+ }
+
+ boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN;
+ boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN;
+ }
+
+ if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) {
+
+ DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n"));
+
+ ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap.
+ intr_chap_name,
+ (char *)&boot_conn->chap.intr_secret,
+ (idx + 1));
+ if (ret) {
+ ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n");
+ ret = QLA_ERROR;
+ goto exit_boot_target;
+ }
+
+ boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN;
+ boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN;
+ }
+
+exit_boot_target:
+ dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+ fw_ddb_entry, fw_ddb_entry_dma);
+ return ret;
+}
+
+static int qla4xxx_get_boot_info(struct scsi_qla_host *ha)
+{
+ uint16_t ddb_index[2];
+ int ret = QLA_SUCCESS;
+
+ memset(ddb_index, 0, sizeof(ddb_index));
+ ret = get_fw_boot_info(ha, ddb_index);
+ if (ret != QLA_SUCCESS) {
+ DEBUG2(ql4_printk(KERN_ERR, ha,
+ "%s: Failed to set boot info.\n", __func__));
+ return ret;
+ }
+
+ ret = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess),
+ ddb_index[0]);
+ if (ret != QLA_SUCCESS) {
+ DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Failed to get "
+ "primary target\n", __func__));
+ }
+
+ ret = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess),
+ ddb_index[1]);
+ if (ret != QLA_SUCCESS) {
+ DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Failed to get "
+ "secondary target\n", __func__));
+ }
+ return ret;
+}
+
+static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha)
+{
+ struct iscsi_boot_kobj *boot_kobj;
+
+ if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS)
+ return 0;
+
+ ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no);
+ if (!ha->boot_kset)
+ goto kset_free;
+
+ if (!scsi_host_get(ha->host))
+ goto kset_free;
+ boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha,
+ qla4xxx_show_boot_tgt_pri_info,
+ qla4xxx_tgt_get_attr_visibility,
+ qla4xxx_boot_release);
+ if (!boot_kobj)
+ goto put_host;
+
+ if (!scsi_host_get(ha->host))
+ goto kset_free;
+ boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha,
+ qla4xxx_show_boot_tgt_sec_info,
+ qla4xxx_tgt_get_attr_visibility,
+ qla4xxx_boot_release);
+ if (!boot_kobj)
+ goto put_host;
+
+ if (!scsi_host_get(ha->host))
+ goto kset_free;
+ boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha,
+ qla4xxx_show_boot_ini_info,
+ qla4xxx_ini_get_attr_visibility,
+ qla4xxx_boot_release);
+ if (!boot_kobj)
+ goto put_host;
+
+ if (!scsi_host_get(ha->host))
+ goto kset_free;
+ boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha,
+ qla4xxx_show_boot_eth_info,
+ qla4xxx_eth_get_attr_visibility,
+ qla4xxx_boot_release);
+ if (!boot_kobj)
+ goto put_host;
+
+ return 0;
+
+put_host:
+ scsi_host_put(ha->host);
+kset_free:
+ iscsi_boot_destroy_kset(ha->boot_kset);
+ return -ENOMEM;
+}
+
/**
* qla4xxx_probe_adapter - callback function to probe HBA
* @pdev: pointer to pci_dev structure
@@ -2758,6 +3231,10 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
ha->host_no, ha->firmware_version[0], ha->firmware_version[1],
ha->patch_number, ha->build_number);
+ if (qla4xxx_setup_boot_info(ha))
+ ql4_printk(KERN_ERR, ha, "%s:ISCSI boot info setup failed\n",
+ __func__);
+
qla4xxx_create_ifaces(ha);
return 0;
@@ -2831,6 +3308,9 @@ static void __devexit qla4xxx_remove_adapter(struct pci_dev *pdev)
/* destroy iface from sysfs */
qla4xxx_destroy_ifaces(ha);
+ if (ha->boot_kset)
+ iscsi_boot_destroy_kset(ha->boot_kset);
+
scsi_remove_host(ha->host);
qla4xxx_free_adapter(ha);