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author <andrew.vasquez@qlogic.com>2005-04-17 16:06:53 -0400
committerJames Bottomley <jejb@titanic>2005-04-18 14:47:46 -0400
commitbdf796210e01145fd77bbb3ae644d04f982b6c3b (patch)
tree92253748a63c51e76a70384d35119e107077b050 /drivers/scsi/qla2xxx/qla_init.c
parent8482e118afa0cb4321ab3d30b1100d27d63130c0 (diff)
[PATCH] qla2xxx: remove lun discovery codes...
Remove internal lun discovery routines and support structures. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_init.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c864
1 files changed, 16 insertions, 848 deletions
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 29b301ecd2f..0387005fcb6 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -45,34 +45,17 @@ static int qla2x00_init_rings(scsi_qla_host_t *);
45static int qla2x00_fw_ready(scsi_qla_host_t *); 45static int qla2x00_fw_ready(scsi_qla_host_t *);
46static int qla2x00_configure_hba(scsi_qla_host_t *); 46static int qla2x00_configure_hba(scsi_qla_host_t *);
47static int qla2x00_nvram_config(scsi_qla_host_t *); 47static int qla2x00_nvram_config(scsi_qla_host_t *);
48static void qla2x00_init_tgt_map(scsi_qla_host_t *);
49static int qla2x00_configure_loop(scsi_qla_host_t *); 48static int qla2x00_configure_loop(scsi_qla_host_t *);
50static int qla2x00_configure_local_loop(scsi_qla_host_t *); 49static int qla2x00_configure_local_loop(scsi_qla_host_t *);
51static void qla2x00_update_fcport(scsi_qla_host_t *, fc_port_t *); 50static void qla2x00_update_fcport(scsi_qla_host_t *, fc_port_t *);
52static void qla2x00_lun_discovery(scsi_qla_host_t *, fc_port_t *);
53static int qla2x00_rpt_lun_discovery(scsi_qla_host_t *, fc_port_t *,
54 inq_cmd_rsp_t *, dma_addr_t);
55static int qla2x00_report_lun(scsi_qla_host_t *, fc_port_t *);
56static fc_lun_t *qla2x00_cfg_lun(scsi_qla_host_t *, fc_port_t *, uint16_t,
57 inq_cmd_rsp_t *, dma_addr_t);
58static fc_lun_t * qla2x00_add_lun(fc_port_t *, uint16_t);
59static int qla2x00_inquiry(scsi_qla_host_t *, fc_port_t *, uint16_t,
60 inq_cmd_rsp_t *, dma_addr_t);
61static int qla2x00_configure_fabric(scsi_qla_host_t *); 51static int qla2x00_configure_fabric(scsi_qla_host_t *);
62static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *); 52static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
63static int qla2x00_device_resync(scsi_qla_host_t *); 53static int qla2x00_device_resync(scsi_qla_host_t *);
64static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *, 54static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
65 uint16_t *); 55 uint16_t *);
66static void qla2x00_config_os(scsi_qla_host_t *ha);
67static uint16_t qla2x00_fcport_bind(scsi_qla_host_t *ha, fc_port_t *fcport);
68static os_lun_t * qla2x00_fclun_bind(scsi_qla_host_t *, fc_port_t *,
69 fc_lun_t *);
70static void qla2x00_lun_free(scsi_qla_host_t *, uint16_t, uint16_t);
71 56
72static int qla2x00_restart_isp(scsi_qla_host_t *); 57static int qla2x00_restart_isp(scsi_qla_host_t *);
73static void qla2x00_reset_adapter(scsi_qla_host_t *); 58static void qla2x00_reset_adapter(scsi_qla_host_t *);
74static os_tgt_t *qla2x00_tgt_alloc(scsi_qla_host_t *, uint16_t);
75static os_lun_t *qla2x00_lun_alloc(scsi_qla_host_t *, uint16_t, uint16_t);
76 59
77/****************************************************************************/ 60/****************************************************************************/
78/* QLogic ISP2x00 Hardware Support Functions. */ 61/* QLogic ISP2x00 Hardware Support Functions. */
@@ -120,9 +103,6 @@ qla2x00_initialize_adapter(scsi_qla_host_t *ha)
120 103
121 qla2x00_reset_chip(ha); 104 qla2x00_reset_chip(ha);
122 105
123 /* Initialize target map database. */
124 qla2x00_init_tgt_map(ha);
125
126 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n"); 106 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
127 qla2x00_nvram_config(ha); 107 qla2x00_nvram_config(ha);
128 108
@@ -1530,25 +1510,6 @@ qla2x00_nvram_config(scsi_qla_host_t *ha)
1530 return (rval); 1510 return (rval);
1531} 1511}
1532 1512
1533/*
1534* qla2x00_init_tgt_map
1535* Initializes target map.
1536*
1537* Input:
1538* ha = adapter block pointer.
1539*
1540* Output:
1541* TGT_Q initialized
1542*/
1543static void
1544qla2x00_init_tgt_map(scsi_qla_host_t *ha)
1545{
1546 uint32_t t;
1547
1548 for (t = 0; t < MAX_TARGETS; t++)
1549 TGT_Q(ha, t) = (os_tgt_t *)NULL;
1550}
1551
1552/** 1513/**
1553 * qla2x00_alloc_fcport() - Allocate a generic fcport. 1514 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1554 * @ha: HA context 1515 * @ha: HA context
@@ -1573,7 +1534,6 @@ qla2x00_alloc_fcport(scsi_qla_host_t *ha, int flags)
1573 fcport->iodesc_idx_sent = IODESC_INVALID_INDEX; 1534 fcport->iodesc_idx_sent = IODESC_INVALID_INDEX;
1574 atomic_set(&fcport->state, FCS_UNCONFIGURED); 1535 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1575 fcport->flags = FCF_RLC_SUPPORT; 1536 fcport->flags = FCF_RLC_SUPPORT;
1576 INIT_LIST_HEAD(&fcport->fcluns);
1577 1537
1578 return (fcport); 1538 return (fcport);
1579} 1539}
@@ -1663,7 +1623,6 @@ qla2x00_configure_loop(scsi_qla_host_t *ha)
1663 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1623 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1664 rval = QLA_FUNCTION_FAILED; 1624 rval = QLA_FUNCTION_FAILED;
1665 } else { 1625 } else {
1666 qla2x00_config_os(ha);
1667 atomic_set(&ha->loop_state, LOOP_READY); 1626 atomic_set(&ha->loop_state, LOOP_READY);
1668 1627
1669 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no)); 1628 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
@@ -1908,8 +1867,11 @@ qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
1908 if (fcport->flags & FCF_TAPE_PRESENT) { 1867 if (fcport->flags & FCF_TAPE_PRESENT) {
1909 spin_lock_irqsave(&ha->hardware_lock, flags); 1868 spin_lock_irqsave(&ha->hardware_lock, flags);
1910 for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) { 1869 for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) {
1870 fc_port_t *sfcp;
1871
1911 if ((sp = ha->outstanding_cmds[index]) != 0) { 1872 if ((sp = ha->outstanding_cmds[index]) != 0) {
1912 if (sp->fclun->fcport == fcport) { 1873 sfcp = sp->fcport;
1874 if (sfcp == fcport) {
1913 atomic_set(&fcport->state, FCS_ONLINE); 1875 atomic_set(&fcport->state, FCS_ONLINE);
1914 spin_unlock_irqrestore( 1876 spin_unlock_irqrestore(
1915 &ha->hardware_lock, flags); 1877 &ha->hardware_lock, flags);
@@ -1920,14 +1882,12 @@ qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
1920 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1882 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1921 } 1883 }
1922 1884
1923 /* Do LUN discovery. */
1924 if (fcport->port_type == FCT_INITIATOR || 1885 if (fcport->port_type == FCT_INITIATOR ||
1925 fcport->port_type == FCT_BROADCAST) { 1886 fcport->port_type == FCT_BROADCAST)
1926 fcport->device_type = TYPE_PROCESSOR; 1887 fcport->device_type = TYPE_PROCESSOR;
1927 } else { 1888
1928 qla2x00_lun_discovery(ha, fcport);
1929 }
1930 atomic_set(&fcport->state, FCS_ONLINE); 1889 atomic_set(&fcport->state, FCS_ONLINE);
1890
1931 if (ha->flags.init_done) 1891 if (ha->flags.init_done)
1932 qla2x00_reg_remote_port(ha, fcport); 1892 qla2x00_reg_remote_port(ha, fcport);
1933} 1893}
@@ -1936,6 +1896,7 @@ void
1936qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport) 1896qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
1937{ 1897{
1938 struct fc_rport_identifiers rport_ids; 1898 struct fc_rport_identifiers rport_ids;
1899 struct fc_rport *rport;
1939 1900
1940 if (fcport->rport) { 1901 if (fcport->rport) {
1941 fc_remote_port_unblock(fcport->rport); 1902 fc_remote_port_unblock(fcport->rport);
@@ -1952,419 +1913,18 @@ qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
1952 if (fcport->port_type == FCT_TARGET) 1913 if (fcport->port_type == FCT_TARGET)
1953 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; 1914 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
1954 1915
1955 fcport->rport = fc_remote_port_add(ha->host, 0, &rport_ids); 1916 fcport->rport = rport = fc_remote_port_add(ha->host, 0, &rport_ids);
1956 if (!fcport->rport) 1917 if (!rport)
1957 qla_printk(KERN_WARNING, ha, 1918 qla_printk(KERN_WARNING, ha,
1958 "Unable to allocate fc remote port!\n"); 1919 "Unable to allocate fc remote port!\n");
1959}
1960/*
1961 * qla2x00_lun_discovery
1962 * Issue SCSI inquiry command for LUN discovery.
1963 *
1964 * Input:
1965 * ha: adapter state pointer.
1966 * fcport: FC port structure pointer.
1967 *
1968 * Context:
1969 * Kernel context.
1970 */
1971static void
1972qla2x00_lun_discovery(scsi_qla_host_t *ha, fc_port_t *fcport)
1973{
1974 inq_cmd_rsp_t *inq;
1975 dma_addr_t inq_dma;
1976 uint16_t lun;
1977
1978 inq = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &inq_dma);
1979 if (inq == NULL) {
1980 qla_printk(KERN_WARNING, ha,
1981 "Memory Allocation failed - INQ\n");
1982 return;
1983 }
1984 1920
1985 /* Always add a fc_lun_t structure for lun 0 -- mid-layer requirement */ 1921 if (rport->scsi_target_id != -1 && rport->scsi_target_id < MAX_TARGETS)
1986 qla2x00_add_lun(fcport, 0); 1922 fcport->os_target_id = rport->scsi_target_id;
1987
1988 /* If report LUN works, exit. */
1989 if (qla2x00_rpt_lun_discovery(ha, fcport, inq, inq_dma) !=
1990 QLA_SUCCESS) {
1991 for (lun = 0; lun < ha->max_probe_luns; lun++) {
1992 /* Configure LUN. */
1993 qla2x00_cfg_lun(ha, fcport, lun, inq, inq_dma);
1994 }
1995 }
1996 1923
1997 dma_pool_free(ha->s_dma_pool, inq, inq_dma); 1924 rport->dd_data = fcport;
1998} 1925}
1999 1926
2000/* 1927/*
2001 * qla2x00_rpt_lun_discovery
2002 * Issue SCSI report LUN command for LUN discovery.
2003 *
2004 * Input:
2005 * ha: adapter state pointer.
2006 * fcport: FC port structure pointer.
2007 *
2008 * Returns:
2009 * qla2x00 local function return status code.
2010 *
2011 * Context:
2012 * Kernel context.
2013 */
2014static int
2015qla2x00_rpt_lun_discovery(scsi_qla_host_t *ha, fc_port_t *fcport,
2016 inq_cmd_rsp_t *inq, dma_addr_t inq_dma)
2017{
2018 int rval;
2019 uint32_t len, cnt;
2020 uint16_t lun;
2021
2022 /* Assume a failed status */
2023 rval = QLA_FUNCTION_FAILED;
2024
2025 /* No point in continuing if the device doesn't support RLC */
2026 if ((fcport->flags & FCF_RLC_SUPPORT) == 0)
2027 return (rval);
2028
2029 rval = qla2x00_report_lun(ha, fcport);
2030 if (rval != QLA_SUCCESS)
2031 return (rval);
2032
2033 /* Configure LUN list. */
2034 len = be32_to_cpu(ha->rlc_rsp->list.hdr.len);
2035 len /= 8;
2036 for (cnt = 0; cnt < len; cnt++) {
2037 lun = CHAR_TO_SHORT(ha->rlc_rsp->list.lst[cnt].lsb,
2038 ha->rlc_rsp->list.lst[cnt].msb.b);
2039
2040 DEBUG3(printk("scsi(%ld): RLC lun = (%d)\n", ha->host_no, lun));
2041
2042 /* We only support 0 through MAX_LUNS-1 range */
2043 if (lun < MAX_LUNS) {
2044 qla2x00_cfg_lun(ha, fcport, lun, inq, inq_dma);
2045 }
2046 }
2047 atomic_set(&fcport->state, FCS_ONLINE);
2048
2049 return (rval);
2050}
2051
2052/*
2053 * qla2x00_report_lun
2054 * Issue SCSI report LUN command.
2055 *
2056 * Input:
2057 * ha: adapter state pointer.
2058 * fcport: FC port structure pointer.
2059 *
2060 * Returns:
2061 * qla2x00 local function return status code.
2062 *
2063 * Context:
2064 * Kernel context.
2065 */
2066static int
2067qla2x00_report_lun(scsi_qla_host_t *ha, fc_port_t *fcport)
2068{
2069 int rval;
2070 uint16_t retries;
2071 uint16_t comp_status;
2072 uint16_t scsi_status;
2073 rpt_lun_cmd_rsp_t *rlc;
2074 dma_addr_t rlc_dma;
2075
2076 rval = QLA_FUNCTION_FAILED;
2077 rlc = ha->rlc_rsp;
2078 rlc_dma = ha->rlc_rsp_dma;
2079
2080 for (retries = 3; retries; retries--) {
2081 memset(rlc, 0, sizeof(rpt_lun_cmd_rsp_t));
2082 rlc->p.cmd.entry_type = COMMAND_A64_TYPE;
2083 rlc->p.cmd.entry_count = 1;
2084 SET_TARGET_ID(ha, rlc->p.cmd.target, fcport->loop_id);
2085 rlc->p.cmd.control_flags =
2086 __constant_cpu_to_le16(CF_READ | CF_SIMPLE_TAG);
2087 rlc->p.cmd.scsi_cdb[0] = REPORT_LUNS;
2088 rlc->p.cmd.scsi_cdb[8] = MSB(sizeof(rpt_lun_lst_t));
2089 rlc->p.cmd.scsi_cdb[9] = LSB(sizeof(rpt_lun_lst_t));
2090 rlc->p.cmd.dseg_count = __constant_cpu_to_le16(1);
2091 rlc->p.cmd.timeout = __constant_cpu_to_le16(10);
2092 rlc->p.cmd.byte_count =
2093 __constant_cpu_to_le32(sizeof(rpt_lun_lst_t));
2094 rlc->p.cmd.dseg_0_address[0] = cpu_to_le32(
2095 LSD(rlc_dma + sizeof(sts_entry_t)));
2096 rlc->p.cmd.dseg_0_address[1] = cpu_to_le32(
2097 MSD(rlc_dma + sizeof(sts_entry_t)));
2098 rlc->p.cmd.dseg_0_length =
2099 __constant_cpu_to_le32(sizeof(rpt_lun_lst_t));
2100
2101 rval = qla2x00_issue_iocb(ha, rlc, rlc_dma,
2102 sizeof(rpt_lun_cmd_rsp_t));
2103
2104 comp_status = le16_to_cpu(rlc->p.rsp.comp_status);
2105 scsi_status = le16_to_cpu(rlc->p.rsp.scsi_status);
2106
2107 if (rval != QLA_SUCCESS || comp_status != CS_COMPLETE ||
2108 scsi_status & SS_CHECK_CONDITION) {
2109
2110 /* Device underrun, treat as OK. */
2111 if (rval == QLA_SUCCESS &&
2112 comp_status == CS_DATA_UNDERRUN &&
2113 scsi_status & SS_RESIDUAL_UNDER) {
2114
2115 rval = QLA_SUCCESS;
2116 break;
2117 }
2118
2119 DEBUG(printk("scsi(%ld): RLC failed to issue iocb! "
2120 "fcport=[%04x/%p] rval=%x cs=%x ss=%x\n",
2121 ha->host_no, fcport->loop_id, fcport, rval,
2122 comp_status, scsi_status));
2123
2124 rval = QLA_FUNCTION_FAILED;
2125 if (scsi_status & SS_CHECK_CONDITION) {
2126 DEBUG2(printk("scsi(%ld): RLC "
2127 "SS_CHECK_CONDITION Sense Data "
2128 "%02x %02x %02x %02x %02x %02x %02x %02x\n",
2129 ha->host_no,
2130 rlc->p.rsp.req_sense_data[0],
2131 rlc->p.rsp.req_sense_data[1],
2132 rlc->p.rsp.req_sense_data[2],
2133 rlc->p.rsp.req_sense_data[3],
2134 rlc->p.rsp.req_sense_data[4],
2135 rlc->p.rsp.req_sense_data[5],
2136 rlc->p.rsp.req_sense_data[6],
2137 rlc->p.rsp.req_sense_data[7]));
2138 if (rlc->p.rsp.req_sense_data[2] ==
2139 ILLEGAL_REQUEST) {
2140 fcport->flags &= ~(FCF_RLC_SUPPORT);
2141 break;
2142 }
2143 }
2144 } else {
2145 break;
2146 }
2147 }
2148
2149 return (rval);
2150}
2151
2152/*
2153 * qla2x00_cfg_lun
2154 * Configures LUN into fcport LUN list.
2155 *
2156 * Input:
2157 * fcport: FC port structure pointer.
2158 * lun: LUN number.
2159 *
2160 * Context:
2161 * Kernel context.
2162 */
2163static fc_lun_t *
2164qla2x00_cfg_lun(scsi_qla_host_t *ha, fc_port_t *fcport, uint16_t lun,
2165 inq_cmd_rsp_t *inq, dma_addr_t inq_dma)
2166{
2167 fc_lun_t *fclun;
2168 uint8_t device_type;
2169
2170 /* Bypass LUNs that failed. */
2171 if (qla2x00_inquiry(ha, fcport, lun, inq, inq_dma) != QLA_SUCCESS) {
2172 DEBUG2(printk("scsi(%ld): Failed inquiry - loop id=0x%04x "
2173 "lun=%d\n", ha->host_no, fcport->loop_id, lun));
2174
2175 return (NULL);
2176 }
2177 device_type = (inq->inq[0] & 0x1f);
2178 switch (device_type) {
2179 case TYPE_DISK:
2180 case TYPE_PROCESSOR:
2181 case TYPE_WORM:
2182 case TYPE_ROM:
2183 case TYPE_SCANNER:
2184 case TYPE_MOD:
2185 case TYPE_MEDIUM_CHANGER:
2186 case TYPE_ENCLOSURE:
2187 case 0x20:
2188 case 0x0C:
2189 break;
2190 case TYPE_TAPE:
2191 fcport->flags |= FCF_TAPE_PRESENT;
2192 break;
2193 default:
2194 DEBUG2(printk("scsi(%ld): Unsupported lun type -- "
2195 "loop id=0x%04x lun=%d type=%x\n",
2196 ha->host_no, fcport->loop_id, lun, device_type));
2197 return (NULL);
2198 }
2199
2200 fcport->device_type = device_type;
2201 fclun = qla2x00_add_lun(fcport, lun);
2202
2203 if (fclun != NULL) {
2204 atomic_set(&fcport->state, FCS_ONLINE);
2205 }
2206
2207 return (fclun);
2208}
2209
2210/*
2211 * qla2x00_add_lun
2212 * Adds LUN to database
2213 *
2214 * Input:
2215 * fcport: FC port structure pointer.
2216 * lun: LUN number.
2217 *
2218 * Context:
2219 * Kernel context.
2220 */
2221static fc_lun_t *
2222qla2x00_add_lun(fc_port_t *fcport, uint16_t lun)
2223{
2224 int found;
2225 fc_lun_t *fclun;
2226
2227 if (fcport == NULL) {
2228 DEBUG(printk("scsi: Unable to add lun to NULL port\n"));
2229 return (NULL);
2230 }
2231
2232 /* Allocate LUN if not already allocated. */
2233 found = 0;
2234 list_for_each_entry(fclun, &fcport->fcluns, list) {
2235 if (fclun->lun == lun) {
2236 found++;
2237 break;
2238 }
2239 }
2240 if (found)
2241 return (NULL);
2242
2243 fclun = kmalloc(sizeof(fc_lun_t), GFP_ATOMIC);
2244 if (fclun == NULL) {
2245 printk(KERN_WARNING
2246 "%s(): Memory Allocation failed - FCLUN\n",
2247 __func__);
2248 return (NULL);
2249 }
2250
2251 /* Setup LUN structure. */
2252 memset(fclun, 0, sizeof(fc_lun_t));
2253 fclun->lun = lun;
2254 fclun->fcport = fcport;
2255 fclun->o_fcport = fcport;
2256 fclun->device_type = fcport->device_type;
2257 atomic_set(&fcport->state, FCS_UNCONFIGURED);
2258
2259 list_add_tail(&fclun->list, &fcport->fcluns);
2260
2261 return (fclun);
2262}
2263
2264/*
2265 * qla2x00_inquiry
2266 * Issue SCSI inquiry command.
2267 *
2268 * Input:
2269 * ha = adapter block pointer.
2270 * fcport = FC port structure pointer.
2271 *
2272 * Return:
2273 * 0 - Success
2274 * BIT_0 - error
2275 *
2276 * Context:
2277 * Kernel context.
2278 */
2279static int
2280qla2x00_inquiry(scsi_qla_host_t *ha,
2281 fc_port_t *fcport, uint16_t lun, inq_cmd_rsp_t *inq, dma_addr_t inq_dma)
2282{
2283 int rval;
2284 uint16_t retries;
2285 uint16_t comp_status;
2286 uint16_t scsi_status;
2287
2288 rval = QLA_FUNCTION_FAILED;
2289
2290 for (retries = 3; retries; retries--) {
2291 memset(inq, 0, sizeof(inq_cmd_rsp_t));
2292 inq->p.cmd.entry_type = COMMAND_A64_TYPE;
2293 inq->p.cmd.entry_count = 1;
2294 inq->p.cmd.lun = cpu_to_le16(lun);
2295 SET_TARGET_ID(ha, inq->p.cmd.target, fcport->loop_id);
2296 inq->p.cmd.control_flags =
2297 __constant_cpu_to_le16(CF_READ | CF_SIMPLE_TAG);
2298 inq->p.cmd.scsi_cdb[0] = INQUIRY;
2299 inq->p.cmd.scsi_cdb[4] = INQ_DATA_SIZE;
2300 inq->p.cmd.dseg_count = __constant_cpu_to_le16(1);
2301 inq->p.cmd.timeout = __constant_cpu_to_le16(10);
2302 inq->p.cmd.byte_count =
2303 __constant_cpu_to_le32(INQ_DATA_SIZE);
2304 inq->p.cmd.dseg_0_address[0] = cpu_to_le32(
2305 LSD(inq_dma + sizeof(sts_entry_t)));
2306 inq->p.cmd.dseg_0_address[1] = cpu_to_le32(
2307 MSD(inq_dma + sizeof(sts_entry_t)));
2308 inq->p.cmd.dseg_0_length =
2309 __constant_cpu_to_le32(INQ_DATA_SIZE);
2310
2311 DEBUG5(printk("scsi(%ld): Lun Inquiry - fcport=[%04x/%p],"
2312 " lun (%d)\n",
2313 ha->host_no, fcport->loop_id, fcport, lun));
2314
2315 rval = qla2x00_issue_iocb(ha, inq, inq_dma,
2316 sizeof(inq_cmd_rsp_t));
2317
2318 comp_status = le16_to_cpu(inq->p.rsp.comp_status);
2319 scsi_status = le16_to_cpu(inq->p.rsp.scsi_status);
2320
2321 DEBUG5(printk("scsi(%ld): lun (%d) inquiry - "
2322 "inq[0]= 0x%x, comp status 0x%x, scsi status 0x%x, "
2323 "rval=%d\n",
2324 ha->host_no, lun, inq->inq[0], comp_status, scsi_status,
2325 rval));
2326
2327 if (rval != QLA_SUCCESS || comp_status != CS_COMPLETE ||
2328 scsi_status & SS_CHECK_CONDITION) {
2329
2330 DEBUG(printk("scsi(%ld): INQ failed to issue iocb! "
2331 "fcport=[%04x/%p] rval=%x cs=%x ss=%x\n",
2332 ha->host_no, fcport->loop_id, fcport, rval,
2333 comp_status, scsi_status));
2334
2335 if (rval == QLA_SUCCESS)
2336 rval = QLA_FUNCTION_FAILED;
2337
2338 if (scsi_status & SS_CHECK_CONDITION) {
2339 DEBUG2(printk("scsi(%ld): INQ "
2340 "SS_CHECK_CONDITION Sense Data "
2341 "%02x %02x %02x %02x %02x %02x %02x %02x\n",
2342 ha->host_no,
2343 inq->p.rsp.req_sense_data[0],
2344 inq->p.rsp.req_sense_data[1],
2345 inq->p.rsp.req_sense_data[2],
2346 inq->p.rsp.req_sense_data[3],
2347 inq->p.rsp.req_sense_data[4],
2348 inq->p.rsp.req_sense_data[5],
2349 inq->p.rsp.req_sense_data[6],
2350 inq->p.rsp.req_sense_data[7]));
2351 }
2352
2353 /* Device underrun drop LUN. */
2354 if (comp_status == CS_DATA_UNDERRUN &&
2355 scsi_status & SS_RESIDUAL_UNDER) {
2356 break;
2357 }
2358 } else {
2359 break;
2360 }
2361 }
2362
2363 return (rval);
2364}
2365
2366
2367/*
2368 * qla2x00_configure_fabric 1928 * qla2x00_configure_fabric
2369 * Setup SNS devices with loop ID's. 1929 * Setup SNS devices with loop ID's.
2370 * 1930 *
@@ -2514,12 +2074,12 @@ qla2x00_configure_fabric(scsi_qla_host_t *ha)
2514 break; 2074 break;
2515 } 2075 }
2516 2076
2517 /* Login and update database */
2518 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2519
2520 /* Remove device from the new list and add it to DB */ 2077 /* Remove device from the new list and add it to DB */
2521 list_del(&fcport->list); 2078 list_del(&fcport->list);
2522 list_add_tail(&fcport->list, &ha->fcports); 2079 list_add_tail(&fcport->list, &ha->fcports);
2080
2081 /* Login and update database */
2082 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2523 } 2083 }
2524 } while (0); 2084 } while (0);
2525 2085
@@ -3203,396 +2763,6 @@ qla2x00_rescan_fcports(scsi_qla_host_t *ha)
3203 rescan_done = 1; 2763 rescan_done = 1;
3204 } 2764 }
3205 qla2x00_probe_for_all_luns(ha); 2765 qla2x00_probe_for_all_luns(ha);
3206
3207 /* Update OS target and lun structures if necessary. */
3208 if (rescan_done) {
3209 qla2x00_config_os(ha);
3210 }
3211}
3212
3213
3214/*
3215 * qla2x00_config_os
3216 * Setup OS target and LUN structures.
3217 *
3218 * Input:
3219 * ha = adapter state pointer.
3220 *
3221 * Context:
3222 * Kernel context.
3223 */
3224static void
3225qla2x00_config_os(scsi_qla_host_t *ha)
3226{
3227 fc_port_t *fcport;
3228 fc_lun_t *fclun;
3229 os_tgt_t *tq;
3230 uint16_t tgt;
3231
3232
3233 for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
3234 if ((tq = TGT_Q(ha, tgt)) == NULL)
3235 continue;
3236
3237 clear_bit(TQF_ONLINE, &tq->flags);
3238 }
3239
3240 list_for_each_entry(fcport, &ha->fcports, list) {
3241 if (atomic_read(&fcport->state) != FCS_ONLINE ||
3242 fcport->port_type == FCT_INITIATOR ||
3243 fcport->port_type == FCT_BROADCAST) {
3244 fcport->os_target_id = MAX_TARGETS;
3245 continue;
3246 }
3247
3248 if (fcport->flags & FCF_FO_MASKED) {
3249 continue;
3250 }
3251
3252 /* Bind FC port to OS target number. */
3253 if (qla2x00_fcport_bind(ha, fcport) == MAX_TARGETS) {
3254 continue;
3255 }
3256
3257 /* Bind FC LUN to OS LUN number. */
3258 list_for_each_entry(fclun, &fcport->fcluns, list) {
3259 qla2x00_fclun_bind(ha, fcport, fclun);
3260 }
3261 }
3262}
3263
3264/*
3265 * qla2x00_fcport_bind
3266 * Locates a target number for FC port.
3267 *
3268 * Input:
3269 * ha = adapter state pointer.
3270 * fcport = FC port structure pointer.
3271 *
3272 * Returns:
3273 * target number
3274 *
3275 * Context:
3276 * Kernel context.
3277 */
3278static uint16_t
3279qla2x00_fcport_bind(scsi_qla_host_t *ha, fc_port_t *fcport)
3280{
3281 int found;
3282 uint16_t tgt;
3283 os_tgt_t *tq;
3284
3285 /* Check for persistent binding. */
3286 for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
3287 if ((tq = TGT_Q(ha, tgt)) == NULL)
3288 continue;
3289
3290 found = 0;
3291 switch (ha->binding_type) {
3292 case BIND_BY_PORT_ID:
3293 if (fcport->d_id.b24 == tq->d_id.b24) {
3294 memcpy(tq->node_name, fcport->node_name,
3295 WWN_SIZE);
3296 memcpy(tq->port_name, fcport->port_name,
3297 WWN_SIZE);
3298 found++;
3299 }
3300 break;
3301 case BIND_BY_PORT_NAME:
3302 if (memcmp(fcport->port_name, tq->port_name,
3303 WWN_SIZE) == 0) {
3304 /*
3305 * In case of persistent binding, update the
3306 * WWNN.
3307 */
3308 memcpy(tq->node_name, fcport->node_name,
3309 WWN_SIZE);
3310 found++;
3311 }
3312 break;
3313 }
3314 if (found)
3315 break;
3316 }
3317
3318 /* TODO: honor the ConfigRequired flag */
3319 if (tgt == MAX_TARGETS) {
3320 /* Check if targetID 0 available. */
3321 tgt = 0;
3322
3323 if (TGT_Q(ha, tgt) != NULL) {
3324 /* Locate first free target for device. */
3325 for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
3326 if (TGT_Q(ha, tgt) == NULL) {
3327 break;
3328 }
3329 }
3330 }
3331 if (tgt != MAX_TARGETS) {
3332 if ((tq = qla2x00_tgt_alloc(ha, tgt)) != NULL) {
3333 memcpy(tq->node_name, fcport->node_name,
3334 WWN_SIZE);
3335 memcpy(tq->port_name, fcport->port_name,
3336 WWN_SIZE);
3337 tq->d_id.b24 = fcport->d_id.b24;
3338 }
3339 }
3340 }
3341
3342 /* Reset target numbers incase it changed. */
3343 fcport->os_target_id = tgt;
3344 if (tgt != MAX_TARGETS && tq != NULL) {
3345 DEBUG2(printk("scsi(%ld): Assigning target ID=%02d @ %p to "
3346 "loop id=0x%04x, port state=0x%x, port down retry=%d\n",
3347 ha->host_no, tgt, tq, fcport->loop_id,
3348 atomic_read(&fcport->state),
3349 atomic_read(&fcport->port_down_timer)));
3350
3351 fcport->tgt_queue = tq;
3352 fcport->flags |= FCF_PERSISTENT_BOUND;
3353 tq->fcport = fcport;
3354 set_bit(TQF_ONLINE, &tq->flags);
3355 tq->port_down_retry_count = ha->port_down_retry_count;
3356 }
3357
3358 if (tgt == MAX_TARGETS) {
3359 qla_printk(KERN_WARNING, ha,
3360 "Unable to bind fcport, loop_id=%x\n", fcport->loop_id);
3361 }
3362
3363 return (tgt);
3364}
3365
3366/*
3367 * qla2x00_fclun_bind
3368 * Binds all FC device LUNS to OS LUNS.
3369 *
3370 * Input:
3371 * ha: adapter state pointer.
3372 * fcport: FC port structure pointer.
3373 *
3374 * Returns:
3375 * target number
3376 *
3377 * Context:
3378 * Kernel context.
3379 */
3380static os_lun_t *
3381qla2x00_fclun_bind(scsi_qla_host_t *ha, fc_port_t *fcport, fc_lun_t *fclun)
3382{
3383 os_lun_t *lq;
3384 uint16_t tgt;
3385 uint16_t lun;
3386
3387 tgt = fcport->os_target_id;
3388 lun = fclun->lun;
3389
3390 /* Allocate LUNs */
3391 if (lun >= MAX_LUNS) {
3392 DEBUG2(printk("scsi(%ld): Unable to bind lun, invalid "
3393 "lun=(%x).\n", ha->host_no, lun));
3394 return (NULL);
3395 }
3396
3397 /* Always alloc LUN 0 so kernel will scan past LUN 0. */
3398 if (lun != 0 && (EXT_IS_LUN_BIT_SET(&(fcport->lun_mask), lun))) {
3399 return (NULL);
3400 }
3401
3402 if ((lq = qla2x00_lun_alloc(ha, tgt, lun)) == NULL) {
3403 qla_printk(KERN_WARNING, ha,
3404 "Unable to bind fclun, loop_id=%x lun=%x\n",
3405 fcport->loop_id, lun);
3406 return (NULL);
3407 }
3408
3409 lq->fclun = fclun;
3410
3411 return (lq);
3412}
3413
3414/*
3415 * qla2x00_tgt_alloc
3416 * Allocate and pre-initialize target queue.
3417 *
3418 * Input:
3419 * ha = adapter block pointer.
3420 * t = SCSI target number.
3421 *
3422 * Returns:
3423 * NULL = failure
3424 *
3425 * Context:
3426 * Kernel context.
3427 */
3428static os_tgt_t *
3429qla2x00_tgt_alloc(scsi_qla_host_t *ha, uint16_t tgt)
3430{
3431 os_tgt_t *tq;
3432
3433 /*
3434 * If SCSI addressing OK, allocate TGT queue and lock.
3435 */
3436 if (tgt >= MAX_TARGETS) {
3437 DEBUG2(printk("scsi(%ld): Unable to allocate target, invalid "
3438 "target number %d.\n", ha->host_no, tgt));
3439 return (NULL);
3440 }
3441
3442 tq = TGT_Q(ha, tgt);
3443 if (tq == NULL) {
3444 tq = kmalloc(sizeof(os_tgt_t), GFP_ATOMIC);
3445 if (tq != NULL) {
3446 DEBUG2(printk("scsi(%ld): Alloc Target %d @ %p\n",
3447 ha->host_no, tgt, tq));
3448
3449 memset(tq, 0, sizeof(os_tgt_t));
3450 tq->ha = ha;
3451
3452 TGT_Q(ha, tgt) = tq;
3453 }
3454 }
3455 if (tq != NULL) {
3456 tq->port_down_retry_count = ha->port_down_retry_count;
3457 } else {
3458 qla_printk(KERN_WARNING, ha,
3459 "Unable to allocate target.\n");
3460 ha->mem_err++;
3461 }
3462
3463 return (tq);
3464}
3465
3466/*
3467 * qla2x00_tgt_free
3468 * Frees target and LUN queues.
3469 *
3470 * Input:
3471 * ha = adapter block pointer.
3472 * t = SCSI target number.
3473 *
3474 * Context:
3475 * Kernel context.
3476 */
3477void
3478qla2x00_tgt_free(scsi_qla_host_t *ha, uint16_t tgt)
3479{
3480 os_tgt_t *tq;
3481 uint16_t lun;
3482
3483 /*
3484 * If SCSI addressing OK, allocate TGT queue and lock.
3485 */
3486 if (tgt >= MAX_TARGETS) {
3487 DEBUG2(printk("scsi(%ld): Unable to de-allocate target, "
3488 "invalid target number %d.\n", ha->host_no, tgt));
3489
3490 return;
3491 }
3492
3493 tq = TGT_Q(ha, tgt);
3494 if (tq != NULL) {
3495 TGT_Q(ha, tgt) = NULL;
3496
3497 /* Free LUN structures. */
3498 for (lun = 0; lun < MAX_LUNS; lun++)
3499 qla2x00_lun_free(ha, tgt, lun);
3500
3501 kfree(tq);
3502 }
3503
3504 return;
3505}
3506
3507/*
3508 * qla2x00_lun_alloc
3509 * Allocate and initialize LUN queue.
3510 *
3511 * Input:
3512 * ha = adapter block pointer.
3513 * t = SCSI target number.
3514 * l = LUN number.
3515 *
3516 * Returns:
3517 * NULL = failure
3518 *
3519 * Context:
3520 * Kernel context.
3521 */
3522static os_lun_t *
3523qla2x00_lun_alloc(scsi_qla_host_t *ha, uint16_t tgt, uint16_t lun)
3524{
3525 os_lun_t *lq;
3526
3527 /*
3528 * If SCSI addressing OK, allocate LUN queue.
3529 */
3530 if (tgt >= MAX_TARGETS || lun >= MAX_LUNS || TGT_Q(ha, tgt) == NULL) {
3531 DEBUG2(printk("scsi(%ld): Unable to allocate lun, invalid "
3532 "parameter.\n", ha->host_no));
3533
3534 return (NULL);
3535 }
3536
3537 lq = LUN_Q(ha, tgt, lun);
3538 if (lq == NULL) {
3539 lq = kmalloc(sizeof(os_lun_t), GFP_ATOMIC);
3540 if (lq != NULL) {
3541 DEBUG2(printk("scsi(%ld): Alloc Lun %d @ tgt %d.\n",
3542 ha->host_no, lun, tgt));
3543
3544 memset(lq, 0, sizeof(os_lun_t));
3545 LUN_Q(ha, tgt, lun) = lq;
3546
3547 /*
3548 * The following lun queue initialization code
3549 * must be duplicated in alloc_ioctl_mem function
3550 * for ioctl_lq.
3551 */
3552 lq->q_state = LUN_STATE_READY;
3553 spin_lock_init(&lq->q_lock);
3554 }
3555 }
3556
3557 if (lq == NULL) {
3558 qla_printk(KERN_WARNING, ha, "Unable to allocate lun.\n");
3559 }
3560
3561 return (lq);
3562}
3563
3564/*
3565 * qla2x00_lun_free
3566 * Frees LUN queue.
3567 *
3568 * Input:
3569 * ha = adapter block pointer.
3570 * t = SCSI target number.
3571 *
3572 * Context:
3573 * Kernel context.
3574 */
3575static void
3576qla2x00_lun_free(scsi_qla_host_t *ha, uint16_t tgt, uint16_t lun)
3577{
3578 os_lun_t *lq;
3579
3580 /*
3581 * If SCSI addressing OK, allocate TGT queue and lock.
3582 */
3583 if (tgt >= MAX_TARGETS || lun >= MAX_LUNS) {
3584 DEBUG2(printk("scsi(%ld): Unable to deallocate lun, invalid "
3585 "parameter.\n", ha->host_no));
3586
3587 return;
3588 }
3589
3590 if (TGT_Q(ha, tgt) != NULL && (lq = LUN_Q(ha, tgt, lun)) != NULL) {
3591 LUN_Q(ha, tgt, lun) = NULL;
3592 kfree(lq);
3593 }
3594
3595 return;
3596} 2766}
3597 2767
3598/* 2768/*
@@ -3642,8 +2812,6 @@ qla2x00_abort_isp(scsi_qla_host_t *ha)
3642 ha->outstanding_cmds[cnt] = NULL; 2812 ha->outstanding_cmds[cnt] = NULL;
3643 if (ha->actthreads) 2813 if (ha->actthreads)
3644 ha->actthreads--; 2814 ha->actthreads--;
3645 sp->lun_queue->out_cnt--;
3646
3647 sp->flags = 0; 2815 sp->flags = 0;
3648 sp->cmd->result = DID_RESET << 16; 2816 sp->cmd->result = DID_RESET << 16;
3649 sp->cmd->host_scribble = (unsigned char *)NULL; 2817 sp->cmd->host_scribble = (unsigned char *)NULL;
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-19 03:39:33 -0400