diff options
Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_os.c')
| -rw-r--r-- | drivers/scsi/qla4xxx/ql4_os.c | 480 |
1 files changed, 480 insertions, 0 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index bfb3d37612fc..15355f95f560 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); |