[SCSI] qla4xxx: Add flash node mgmt support
This patch allows iscsiadm to manage iSCSI target information stored on qla4xxx adapter flash on per host basis. Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@qlogic.com> Signed-off-by: Manish Rangankar <manish.rangankar@qlogic.com> Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Adheer Chandravanshi
James Bottomley
parent
adaf6990dd
commit
1e9e2be3ee
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@ -159,6 +159,25 @@
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#define LSDW(x) ((u32)((u64)(x)))
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#define MSDW(x) ((u32)((((u64)(x)) >> 16) >> 16))
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#define DEV_TYPE_IPV4 "ipv4"
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#define DEV_TYPE_IPV6 "ipv6"
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#define DEV_DB_NON_PERSISTENT 0
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#define DEV_DB_PERSISTENT 1
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#define COPY_ISID(dst_isid, src_isid) { \
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int i, j; \
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for (i = 0, j = ISID_SIZE - 1; i < ISID_SIZE;) \
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dst_isid[i++] = src_isid[j--]; \
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}
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#define SET_BITVAL(o, n, v) { \
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if (o) \
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n |= v; \
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else \
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n &= ~v; \
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}
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/*
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* Retry & Timeout Values
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*/
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@ -363,6 +382,8 @@ struct ql82xx_hw_data {
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uint32_t flt_iscsi_param;
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uint32_t flt_region_chap;
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uint32_t flt_chap_size;
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uint32_t flt_region_ddb;
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uint32_t flt_ddb_size;
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};
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struct qla4_8xxx_legacy_intr_set {
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@ -501,6 +522,7 @@ struct scsi_qla_host {
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#define AF_INIT_DONE 1 /* 0x00000002 */
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#define AF_MBOX_COMMAND 2 /* 0x00000004 */
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#define AF_MBOX_COMMAND_DONE 3 /* 0x00000008 */
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#define AF_ST_DISCOVERY_IN_PROGRESS 4 /* 0x00000010 */
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#define AF_INTERRUPTS_ON 6 /* 0x00000040 */
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#define AF_GET_CRASH_RECORD 7 /* 0x00000080 */
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#define AF_LINK_UP 8 /* 0x00000100 */
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@ -288,6 +288,8 @@ union external_hw_config_reg {
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#define FA_GOLD_RISC_CODE_ADDR_82 0x80000
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#define FA_FLASH_ISCSI_CHAP 0x540000
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#define FA_FLASH_CHAP_SIZE 0xC0000
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#define FA_FLASH_ISCSI_DDB 0x420000
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#define FA_FLASH_DDB_SIZE 0x080000
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/* Flash Description Table */
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struct qla_fdt_layout {
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@ -348,6 +350,7 @@ struct qla_flt_header {
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#define FLT_REG_BOOT_CODE_82 0x78
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#define FLT_REG_ISCSI_PARAM 0x65
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#define FLT_REG_ISCSI_CHAP 0x63
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#define FLT_REG_ISCSI_DDB 0x6A
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struct qla_flt_region {
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uint32_t code;
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@ -779,12 +782,41 @@ struct dev_db_entry {
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#define DDB_OPT_IPV6_NULL_LINK_LOCAL 0x800 /* post connection */
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#define DDB_OPT_IPV6_FW_DEFINED_LINK_LOCAL 0x800 /* pre connection */
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#define OPT_IS_FW_ASSIGNED_IPV6 11
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#define OPT_IPV6_DEVICE 8
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#define OPT_AUTO_SENDTGTS_DISABLE 6
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#define OPT_DISC_SESSION 4
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#define OPT_ENTRY_STATE 3
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uint16_t exec_throttle; /* 02-03 */
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uint16_t exec_count; /* 04-05 */
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uint16_t res0; /* 06-07 */
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uint16_t iscsi_options; /* 08-09 */
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#define ISCSIOPT_HEADER_DIGEST_EN 13
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#define ISCSIOPT_DATA_DIGEST_EN 12
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#define ISCSIOPT_IMMEDIATE_DATA_EN 11
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#define ISCSIOPT_INITIAL_R2T_EN 10
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#define ISCSIOPT_DATA_SEQ_IN_ORDER 9
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#define ISCSIOPT_DATA_PDU_IN_ORDER 8
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#define ISCSIOPT_CHAP_AUTH_EN 7
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#define ISCSIOPT_SNACK_REQ_EN 6
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#define ISCSIOPT_DISCOVERY_LOGOUT_EN 5
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#define ISCSIOPT_BIDI_CHAP_EN 4
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#define ISCSIOPT_DISCOVERY_AUTH_OPTIONAL 3
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#define ISCSIOPT_ERL1 1
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#define ISCSIOPT_ERL0 0
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uint16_t tcp_options; /* 0A-0B */
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#define TCPOPT_TIMESTAMP_STAT 6
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#define TCPOPT_NAGLE_DISABLE 5
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#define TCPOPT_WSF_DISABLE 4
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#define TCPOPT_TIMER_SCALE3 3
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#define TCPOPT_TIMER_SCALE2 2
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#define TCPOPT_TIMER_SCALE1 1
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#define TCPOPT_TIMESTAMP_EN 0
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uint16_t ip_options; /* 0C-0D */
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#define IPOPT_FRAGMENT_DISABLE 4
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uint16_t iscsi_max_rcv_data_seg_len; /* 0E-0F */
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#define BYTE_UNITS 512
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uint32_t res1; /* 10-13 */
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@ -816,6 +848,8 @@ struct dev_db_entry {
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* much RAM */
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uint8_t link_local_ipv6_addr[0x10]; /* 1A0-1AF */
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uint8_t res5[0x10]; /* 1B0-1BF */
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#define DDB_NO_LINK 0xFFFF
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#define DDB_ISNS 0xFFFD
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uint16_t ddb_link; /* 1C0-1C1 */
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uint16_t chap_tbl_idx; /* 1C2-1C3 */
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uint16_t tgt_portal_grp; /* 1C4-1C5 */
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@ -191,6 +191,9 @@ int qla4xxx_ping_iocb(struct scsi_qla_host *ha, uint32_t options,
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int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha,
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uint32_t status, uint32_t pid,
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uint32_t data_size, uint8_t *data);
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int qla4xxx_flashdb_by_index(struct scsi_qla_host *ha,
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struct dev_db_entry *fw_ddb_entry,
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dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index);
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/* BSG Functions */
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int qla4xxx_bsg_request(struct bsg_job *bsg_job);
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@ -259,6 +262,10 @@ int qla4_83xx_post_idc_ack(struct scsi_qla_host *ha);
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void qla4_83xx_disable_pause(struct scsi_qla_host *ha);
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void qla4_83xx_enable_mbox_intrs(struct scsi_qla_host *ha);
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int qla4_83xx_can_perform_reset(struct scsi_qla_host *ha);
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int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, uint32_t options,
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dma_addr_t dma_addr);
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int qla4xxx_get_uni_chap_at_index(struct scsi_qla_host *ha, char *username,
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char *password, uint16_t chap_index);
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extern int ql4xextended_error_logging;
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extern int ql4xdontresethba;
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@ -1288,7 +1288,7 @@ exit_about_fw:
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return status;
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}
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static int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, uint32_t options,
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int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, uint32_t options,
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dma_addr_t dma_addr)
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{
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uint32_t mbox_cmd[MBOX_REG_COUNT];
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@ -1417,6 +1417,52 @@ exit_bootdb_failed:
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return status;
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}
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int qla4xxx_flashdb_by_index(struct scsi_qla_host *ha,
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struct dev_db_entry *fw_ddb_entry,
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dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index)
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{
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uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO;
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uint32_t dev_db_end_offset;
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int status = QLA_ERROR;
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memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry));
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if (is_qla40XX(ha)) {
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dev_db_start_offset = FLASH_OFFSET_DB_INFO;
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} else {
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dev_db_start_offset = FLASH_RAW_ACCESS_ADDR +
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(ha->hw.flt_region_ddb << 2);
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/* flt_ddb_size is DDB table size for both ports
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* so divide it by 2 to calculate the offset for second port
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*/
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if (ha->port_num == 1)
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dev_db_start_offset += (ha->hw.flt_ddb_size / 2);
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}
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dev_db_end_offset = dev_db_start_offset + (ha->hw.flt_ddb_size / 2);
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dev_db_start_offset += (ddb_index * sizeof(*fw_ddb_entry));
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if (dev_db_start_offset > dev_db_end_offset) {
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DEBUG2(ql4_printk(KERN_ERR, ha,
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"%s:Invalid DDB index %d", __func__,
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ddb_index));
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goto exit_fdb_failed;
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}
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if (qla4xxx_get_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
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sizeof(*fw_ddb_entry)) != QLA_SUCCESS) {
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ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash failed\n",
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ha->host_no, __func__);
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goto exit_fdb_failed;
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}
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if (fw_ddb_entry->cookie == DDB_VALID_COOKIE)
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status = QLA_SUCCESS;
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exit_fdb_failed:
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return status;
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}
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int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username, char *password,
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uint16_t idx)
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{
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@ -1510,6 +1556,62 @@ exit_set_chap:
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return ret;
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}
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int qla4xxx_get_uni_chap_at_index(struct scsi_qla_host *ha, char *username,
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char *password, uint16_t chap_index)
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{
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int rval = QLA_ERROR;
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struct ql4_chap_table *chap_table = NULL;
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int max_chap_entries;
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if (!ha->chap_list) {
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ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n");
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rval = QLA_ERROR;
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goto exit_uni_chap;
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}
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if (!username || !password) {
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ql4_printk(KERN_ERR, ha, "No memory for username & secret\n");
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rval = QLA_ERROR;
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goto exit_uni_chap;
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}
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if (is_qla80XX(ha))
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max_chap_entries = (ha->hw.flt_chap_size / 2) /
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sizeof(struct ql4_chap_table);
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else
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max_chap_entries = MAX_CHAP_ENTRIES_40XX;
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if (chap_index > max_chap_entries) {
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ql4_printk(KERN_ERR, ha, "Invalid Chap index\n");
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rval = QLA_ERROR;
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goto exit_uni_chap;
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}
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mutex_lock(&ha->chap_sem);
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chap_table = (struct ql4_chap_table *)ha->chap_list + chap_index;
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if (chap_table->cookie != __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
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rval = QLA_ERROR;
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goto exit_unlock_uni_chap;
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}
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if (!(chap_table->flags & BIT_6)) {
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ql4_printk(KERN_ERR, ha, "Unidirectional entry not set\n");
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rval = QLA_ERROR;
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goto exit_unlock_uni_chap;
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}
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strncpy(password, chap_table->secret, MAX_CHAP_SECRET_LEN);
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strncpy(username, chap_table->name, MAX_CHAP_NAME_LEN);
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rval = QLA_SUCCESS;
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exit_unlock_uni_chap:
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mutex_unlock(&ha->chap_sem);
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exit_uni_chap:
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return rval;
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}
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/**
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* qla4xxx_get_chap_index - Get chap index given username and secret
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* @ha: pointer to adapter structure
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@ -3154,6 +3154,10 @@ qla4_8xxx_get_flt_info(struct scsi_qla_host *ha, uint32_t flt_addr)
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hw->flt_region_chap = start;
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hw->flt_chap_size = le32_to_cpu(region->size);
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break;
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case FLT_REG_ISCSI_DDB:
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hw->flt_region_ddb = start;
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hw->flt_ddb_size = le32_to_cpu(region->size);
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break;
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}
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}
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goto done;
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@ -3168,13 +3172,17 @@ no_flash_data:
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hw->flt_region_fw = FA_RISC_CODE_ADDR_82;
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hw->flt_region_chap = FA_FLASH_ISCSI_CHAP >> 2;
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hw->flt_chap_size = FA_FLASH_CHAP_SIZE;
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hw->flt_region_ddb = FA_FLASH_ISCSI_DDB >> 2;
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hw->flt_ddb_size = FA_FLASH_DDB_SIZE;
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done:
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DEBUG2(ql4_printk(KERN_INFO, ha,
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"FLT[%s]: flt=0x%x fdt=0x%x boot=0x%x bootload=0x%x fw=0x%x chap=0x%x\n",
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"FLT[%s]: flt=0x%x fdt=0x%x boot=0x%x bootload=0x%x fw=0x%x chap=0x%x chap_size=0x%x ddb=0x%x ddb_size=0x%x\n",
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loc, hw->flt_region_flt, hw->flt_region_fdt,
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hw->flt_region_boot, hw->flt_region_bootload,
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hw->flt_region_fw, hw->flt_region_chap));
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hw->flt_region_fw, hw->flt_region_chap,
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hw->flt_chap_size, hw->flt_region_ddb,
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hw->flt_ddb_size));
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}
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static void
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