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authorGiridhar Malavali <giridhar.malavali@qlogic.com>2010-03-19 20:03:58 -0400
committerJames Bottomley <James.Bottomley@suse.de>2010-04-11 10:44:10 -0400
commit6e98016ca077c5c751167bfdb1a3a2a3bee581cf (patch)
tree4704944f9e379e8ad2035d4257b96cb888f1b549 /drivers/scsi/qla2xxx/qla_attr.c
parent077424e2e2c97c830d903891dfcd1532068b85b7 (diff)
[SCSI] qla2xxx: Re-organized BSG interface specific code.
1. Segregate BSG interface specific code to new files. 2. Handle multiple vendor specific commands indepedently. 3. Reorganised support for reset, management and update FCoE firmware commands. 4. Fixed memory leak issue in Loopback. 5. Added new vendor command to support iiDMA using BSG interface. 6. Proper cleanup of dma mapped and dma allocated buffers for BSG request. [jejb: fix up conflict and merge in Jiri Slaby lock imbalance patch] Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com> Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_attr.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_attr.c702
1 files changed, 1 insertions, 701 deletions
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 1c7ef55966fb..90bf7ad42f67 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -12,9 +12,7 @@
12#include <linux/delay.h> 12#include <linux/delay.h>
13 13
14static int qla24xx_vport_disable(struct fc_vport *, bool); 14static int qla24xx_vport_disable(struct fc_vport *, bool);
15static int qla84xx_reset(scsi_qla_host_t *, struct msg_echo_lb *, struct fc_bsg_job *); 15
16int qla84xx_reset_chip(scsi_qla_host_t *, uint16_t, uint16_t *);
17static int qla84xx_mgmt_cmd(scsi_qla_host_t *, struct msg_echo_lb *, struct fc_bsg_job *);
18/* SYSFS attributes --------------------------------------------------------- */ 16/* SYSFS attributes --------------------------------------------------------- */
19 17
20static ssize_t 18static ssize_t
@@ -1825,582 +1823,6 @@ qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
1825 return 0; 1823 return 0;
1826} 1824}
1827 1825
1828/* BSG support for ELS/CT pass through */
1829inline srb_t *
1830qla2x00_get_ctx_bsg_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size)
1831{
1832 srb_t *sp;
1833 struct qla_hw_data *ha = vha->hw;
1834 struct srb_bsg_ctx *ctx;
1835
1836 sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL);
1837 if (!sp)
1838 goto done;
1839 ctx = kzalloc(size, GFP_KERNEL);
1840 if (!ctx) {
1841 mempool_free(sp, ha->srb_mempool);
1842 goto done;
1843 }
1844
1845 memset(sp, 0, sizeof(*sp));
1846 sp->fcport = fcport;
1847 sp->ctx = ctx;
1848done:
1849 return sp;
1850}
1851
1852static int
1853qla2x00_process_els(struct fc_bsg_job *bsg_job)
1854{
1855 struct fc_rport *rport;
1856 fc_port_t *fcport;
1857 struct Scsi_Host *host;
1858 scsi_qla_host_t *vha;
1859 struct qla_hw_data *ha;
1860 srb_t *sp;
1861 const char *type;
1862 int req_sg_cnt, rsp_sg_cnt;
1863 int rval = (DRIVER_ERROR << 16);
1864 uint16_t nextlid = 0;
1865 struct srb_bsg *els;
1866
1867 /* Multiple SG's are not supported for ELS requests */
1868 if (bsg_job->request_payload.sg_cnt > 1 ||
1869 bsg_job->reply_payload.sg_cnt > 1) {
1870 DEBUG2(printk(KERN_INFO
1871 "multiple SG's are not supported for ELS requests"
1872 " [request_sg_cnt: %x reply_sg_cnt: %x]\n",
1873 bsg_job->request_payload.sg_cnt,
1874 bsg_job->reply_payload.sg_cnt));
1875 rval = -EPERM;
1876 goto done;
1877 }
1878
1879 /* ELS request for rport */
1880 if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
1881 rport = bsg_job->rport;
1882 fcport = *(fc_port_t **) rport->dd_data;
1883 host = rport_to_shost(rport);
1884 vha = shost_priv(host);
1885 ha = vha->hw;
1886 type = "FC_BSG_RPT_ELS";
1887
1888 /* make sure the rport is logged in,
1889 * if not perform fabric login
1890 */
1891 if (qla2x00_fabric_login(vha, fcport, &nextlid)) {
1892 DEBUG2(qla_printk(KERN_WARNING, ha,
1893 "failed to login port %06X for ELS passthru\n",
1894 fcport->d_id.b24));
1895 rval = -EIO;
1896 goto done;
1897 }
1898 } else {
1899 host = bsg_job->shost;
1900 vha = shost_priv(host);
1901 ha = vha->hw;
1902 type = "FC_BSG_HST_ELS_NOLOGIN";
1903
1904 /* Allocate a dummy fcport structure, since functions
1905 * preparing the IOCB and mailbox command retrieves port
1906 * specific information from fcport structure. For Host based
1907 * ELS commands there will be no fcport structure allocated
1908 */
1909 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1910 if (!fcport) {
1911 rval = -ENOMEM;
1912 goto done;
1913 }
1914
1915 /* Initialize all required fields of fcport */
1916 fcport->vha = vha;
1917 fcport->vp_idx = vha->vp_idx;
1918 fcport->d_id.b.al_pa =
1919 bsg_job->request->rqst_data.h_els.port_id[0];
1920 fcport->d_id.b.area =
1921 bsg_job->request->rqst_data.h_els.port_id[1];
1922 fcport->d_id.b.domain =
1923 bsg_job->request->rqst_data.h_els.port_id[2];
1924 fcport->loop_id =
1925 (fcport->d_id.b.al_pa == 0xFD) ?
1926 NPH_FABRIC_CONTROLLER : NPH_F_PORT;
1927 }
1928
1929 if (!vha->flags.online) {
1930 DEBUG2(qla_printk(KERN_WARNING, ha,
1931 "host not online\n"));
1932 rval = -EIO;
1933 goto done;
1934 }
1935
1936 req_sg_cnt =
1937 dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
1938 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1939 if (!req_sg_cnt) {
1940 rval = -ENOMEM;
1941 goto done_free_fcport;
1942 }
1943 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
1944 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1945 if (!rsp_sg_cnt) {
1946 rval = -ENOMEM;
1947 goto done_free_fcport;
1948 }
1949
1950 if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
1951 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt))
1952 {
1953 DEBUG2(printk(KERN_INFO
1954 "dma mapping resulted in different sg counts \
1955 [request_sg_cnt: %x dma_request_sg_cnt: %x\
1956 reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n",
1957 bsg_job->request_payload.sg_cnt, req_sg_cnt,
1958 bsg_job->reply_payload.sg_cnt, rsp_sg_cnt));
1959 rval = -EAGAIN;
1960 goto done_unmap_sg;
1961 }
1962
1963 /* Alloc SRB structure */
1964 sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_bsg));
1965 if (!sp) {
1966 rval = -ENOMEM;
1967 goto done_unmap_sg;
1968 }
1969
1970 els = sp->ctx;
1971 els->ctx.type =
1972 (bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
1973 SRB_ELS_CMD_RPT : SRB_ELS_CMD_HST);
1974 els->bsg_job = bsg_job;
1975
1976 DEBUG2(qla_printk(KERN_INFO, ha,
1977 "scsi(%ld:%x): bsg rqst type: %s els type: %x - loop-id=%x "
1978 "portid=%02x%02x%02x.\n", vha->host_no, sp->handle, type,
1979 bsg_job->request->rqst_data.h_els.command_code,
1980 fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
1981 fcport->d_id.b.al_pa));
1982
1983 rval = qla2x00_start_sp(sp);
1984 if (rval != QLA_SUCCESS) {
1985 kfree(sp->ctx);
1986 mempool_free(sp, ha->srb_mempool);
1987 rval = -EIO;
1988 goto done_unmap_sg;
1989 }
1990 return rval;
1991
1992done_unmap_sg:
1993 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
1994 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1995 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
1996 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1997 goto done_free_fcport;
1998
1999done_free_fcport:
2000 if (bsg_job->request->msgcode == FC_BSG_HST_ELS_NOLOGIN)
2001 kfree(fcport);
2002done:
2003 return rval;
2004}
2005
2006static int
2007qla2x00_process_ct(struct fc_bsg_job *bsg_job)
2008{
2009 srb_t *sp;
2010 struct Scsi_Host *host = bsg_job->shost;
2011 scsi_qla_host_t *vha = shost_priv(host);
2012 struct qla_hw_data *ha = vha->hw;
2013 int rval = (DRIVER_ERROR << 16);
2014 int req_sg_cnt, rsp_sg_cnt;
2015 uint16_t loop_id;
2016 struct fc_port *fcport;
2017 char *type = "FC_BSG_HST_CT";
2018 struct srb_bsg *ct;
2019
2020 /* pass through is supported only for ISP 4Gb or higher */
2021 if (!IS_FWI2_CAPABLE(ha)) {
2022 DEBUG2(qla_printk(KERN_INFO, ha,
2023 "scsi(%ld):Firmware is not capable to support FC "
2024 "CT pass thru\n", vha->host_no));
2025 rval = -EPERM;
2026 goto done;
2027 }
2028
2029 req_sg_cnt =
2030 dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
2031 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
2032 if (!req_sg_cnt) {
2033 rval = -ENOMEM;
2034 goto done;
2035 }
2036
2037 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
2038 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
2039 if (!rsp_sg_cnt) {
2040 rval = -ENOMEM;
2041 goto done;
2042 }
2043
2044 if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
2045 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt))
2046 {
2047 DEBUG2(qla_printk(KERN_WARNING, ha,
2048 "dma mapping resulted in different sg counts \
2049 [request_sg_cnt: %x dma_request_sg_cnt: %x\
2050 reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n",
2051 bsg_job->request_payload.sg_cnt, req_sg_cnt,
2052 bsg_job->reply_payload.sg_cnt, rsp_sg_cnt));
2053 rval = -EAGAIN;
2054 goto done_unmap_sg;
2055 }
2056
2057 if (!vha->flags.online) {
2058 DEBUG2(qla_printk(KERN_WARNING, ha,
2059 "host not online\n"));
2060 rval = -EIO;
2061 goto done_unmap_sg;
2062 }
2063
2064 loop_id =
2065 (bsg_job->request->rqst_data.h_ct.preamble_word1 & 0xFF000000)
2066 >> 24;
2067 switch (loop_id) {
2068 case 0xFC:
2069 loop_id = cpu_to_le16(NPH_SNS);
2070 break;
2071 case 0xFA:
2072 loop_id = vha->mgmt_svr_loop_id;
2073 break;
2074 default:
2075 DEBUG2(qla_printk(KERN_INFO, ha,
2076 "Unknown loop id: %x\n", loop_id));
2077 rval = -EINVAL;
2078 goto done_unmap_sg;
2079 }
2080
2081 /* Allocate a dummy fcport structure, since functions preparing the
2082 * IOCB and mailbox command retrieves port specific information
2083 * from fcport structure. For Host based ELS commands there will be
2084 * no fcport structure allocated
2085 */
2086 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2087 if (!fcport)
2088 {
2089 rval = -ENOMEM;
2090 goto done_unmap_sg;
2091 }
2092
2093 /* Initialize all required fields of fcport */
2094 fcport->vha = vha;
2095 fcport->vp_idx = vha->vp_idx;
2096 fcport->d_id.b.al_pa = bsg_job->request->rqst_data.h_ct.port_id[0];
2097 fcport->d_id.b.area = bsg_job->request->rqst_data.h_ct.port_id[1];
2098 fcport->d_id.b.domain = bsg_job->request->rqst_data.h_ct.port_id[2];
2099 fcport->loop_id = loop_id;
2100
2101 /* Alloc SRB structure */
2102 sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_bsg));
2103 if (!sp) {
2104 rval = -ENOMEM;
2105 goto done_free_fcport;
2106 }
2107
2108 ct = sp->ctx;
2109 ct->ctx.type = SRB_CT_CMD;
2110 ct->bsg_job = bsg_job;
2111
2112 DEBUG2(qla_printk(KERN_INFO, ha,
2113 "scsi(%ld:%x): bsg rqst type: %s els type: %x - loop-id=%x "
2114 "portid=%02x%02x%02x.\n", vha->host_no, sp->handle, type,
2115 (bsg_job->request->rqst_data.h_ct.preamble_word2 >> 16),
2116 fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
2117 fcport->d_id.b.al_pa));
2118
2119 rval = qla2x00_start_sp(sp);
2120 if (rval != QLA_SUCCESS) {
2121 kfree(sp->ctx);
2122 mempool_free(sp, ha->srb_mempool);
2123 rval = -EIO;
2124 goto done_free_fcport;
2125 }
2126 return rval;
2127
2128done_free_fcport:
2129 kfree(fcport);
2130done_unmap_sg:
2131 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
2132 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
2133 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
2134 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
2135done:
2136 return rval;
2137}
2138
2139static int
2140qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
2141{
2142 struct Scsi_Host *host = bsg_job->shost;
2143 scsi_qla_host_t *vha = shost_priv(host);
2144 struct qla_hw_data *ha = vha->hw;
2145 int rval;
2146 uint8_t command_sent;
2147 uint32_t vendor_cmd;
2148 char *type;
2149 struct msg_echo_lb elreq;
2150 uint16_t response[MAILBOX_REGISTER_COUNT];
2151 uint8_t* fw_sts_ptr;
2152 uint8_t *req_data;
2153 dma_addr_t req_data_dma;
2154 uint32_t req_data_len;
2155 uint8_t *rsp_data;
2156 dma_addr_t rsp_data_dma;
2157 uint32_t rsp_data_len;
2158
2159 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
2160 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
2161 test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
2162 rval = -EBUSY;
2163 goto done;
2164 }
2165
2166 if (!vha->flags.online) {
2167 DEBUG2(qla_printk(KERN_WARNING, ha,
2168 "host not online\n"));
2169 rval = -EIO;
2170 goto done;
2171 }
2172
2173 elreq.req_sg_cnt =
2174 dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
2175 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
2176 if (!elreq.req_sg_cnt) {
2177 rval = -ENOMEM;
2178 goto done;
2179 }
2180 elreq.rsp_sg_cnt =
2181 dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
2182 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
2183 if (!elreq.rsp_sg_cnt) {
2184 rval = -ENOMEM;
2185 goto done;
2186 }
2187
2188 if ((elreq.req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
2189 (elreq.rsp_sg_cnt != bsg_job->reply_payload.sg_cnt))
2190 {
2191 DEBUG2(printk(KERN_INFO
2192 "dma mapping resulted in different sg counts \
2193 [request_sg_cnt: %x dma_request_sg_cnt: %x\
2194 reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n",
2195 bsg_job->request_payload.sg_cnt, elreq.req_sg_cnt,
2196 bsg_job->reply_payload.sg_cnt, elreq.rsp_sg_cnt));
2197 rval = -EAGAIN;
2198 goto done_unmap_sg;
2199 }
2200 req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
2201 req_data = dma_alloc_coherent(&ha->pdev->dev, req_data_len,
2202 &req_data_dma, GFP_KERNEL);
2203
2204 rsp_data = dma_alloc_coherent(&ha->pdev->dev, rsp_data_len,
2205 &rsp_data_dma, GFP_KERNEL);
2206
2207 /* Copy the request buffer in req_data now */
2208 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
2209 bsg_job->request_payload.sg_cnt, req_data,
2210 req_data_len);
2211
2212 elreq.send_dma = req_data_dma;
2213 elreq.rcv_dma = rsp_data_dma;
2214 elreq.transfer_size = req_data_len;
2215
2216 /* Vendor cmd : loopback or ECHO diagnostic
2217 * Options:
2218 * Loopback : Either internal or external loopback
2219 * ECHO: ECHO ELS or Vendor specific FC4 link data
2220 */
2221 vendor_cmd = bsg_job->request->rqst_data.h_vendor.vendor_cmd[0];
2222 elreq.options =
2223 *(((uint32_t *)bsg_job->request->rqst_data.h_vendor.vendor_cmd)
2224 + 1);
2225
2226 switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) {
2227 case QL_VND_LOOPBACK:
2228 if (ha->current_topology != ISP_CFG_F) {
2229 type = "FC_BSG_HST_VENDOR_LOOPBACK";
2230
2231 DEBUG2(qla_printk(KERN_INFO, ha,
2232 "scsi(%ld) bsg rqst type: %s vendor rqst type: %x options: %x.\n",
2233 vha->host_no, type, vendor_cmd, elreq.options));
2234
2235 command_sent = INT_DEF_LB_LOOPBACK_CMD;
2236 rval = qla2x00_loopback_test(vha, &elreq, response);
2237 if (IS_QLA81XX(ha)) {
2238 if (response[0] == MBS_COMMAND_ERROR && response[1] == MBS_LB_RESET) {
2239 DEBUG2(printk(KERN_ERR "%s(%ld): ABORTing "
2240 "ISP\n", __func__, vha->host_no));
2241 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2242 qla2xxx_wake_dpc(vha);
2243 }
2244 }
2245 } else {
2246 type = "FC_BSG_HST_VENDOR_ECHO_DIAG";
2247 DEBUG2(qla_printk(KERN_INFO, ha,
2248 "scsi(%ld) bsg rqst type: %s vendor rqst type: %x options: %x.\n",
2249 vha->host_no, type, vendor_cmd, elreq.options));
2250
2251 command_sent = INT_DEF_LB_ECHO_CMD;
2252 rval = qla2x00_echo_test(vha, &elreq, response);
2253 }
2254 break;
2255 case QLA84_RESET:
2256 if (!IS_QLA84XX(vha->hw)) {
2257 rval = -EINVAL;
2258 DEBUG16(printk(
2259 "%s(%ld): 8xxx exiting.\n",
2260 __func__, vha->host_no));
2261 return rval;
2262 }
2263 rval = qla84xx_reset(vha, &elreq, bsg_job);
2264 break;
2265 case QLA84_MGMT_CMD:
2266 if (!IS_QLA84XX(vha->hw)) {
2267 rval = -EINVAL;
2268 DEBUG16(printk(
2269 "%s(%ld): 8xxx exiting.\n",
2270 __func__, vha->host_no));
2271 return rval;
2272 }
2273 rval = qla84xx_mgmt_cmd(vha, &elreq, bsg_job);
2274 break;
2275 default:
2276 rval = -ENOSYS;
2277 }
2278
2279 if (rval != QLA_SUCCESS) {
2280 DEBUG2(qla_printk(KERN_WARNING, ha,
2281 "scsi(%ld) Vendor request %s failed\n", vha->host_no, type));
2282 rval = 0;
2283 bsg_job->reply->result = (DID_ERROR << 16);
2284 bsg_job->reply->reply_payload_rcv_len = 0;
2285 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
2286 memcpy( fw_sts_ptr, response, sizeof(response));
2287 fw_sts_ptr += sizeof(response);
2288 *fw_sts_ptr = command_sent;
2289 } else {
2290 DEBUG2(qla_printk(KERN_WARNING, ha,
2291 "scsi(%ld) Vendor request %s completed\n", vha->host_no, type));
2292 rval = bsg_job->reply->result = 0;
2293 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(response) + sizeof(uint8_t);
2294 bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
2295 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
2296 memcpy(fw_sts_ptr, response, sizeof(response));
2297 fw_sts_ptr += sizeof(response);
2298 *fw_sts_ptr = command_sent;
2299 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2300 bsg_job->reply_payload.sg_cnt, rsp_data,
2301 rsp_data_len);
2302 }
2303 bsg_job->job_done(bsg_job);
2304
2305done_unmap_sg:
2306
2307 if(req_data)
2308 dma_free_coherent(&ha->pdev->dev, req_data_len,
2309 req_data, req_data_dma);
2310 dma_unmap_sg(&ha->pdev->dev,
2311 bsg_job->request_payload.sg_list,
2312 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
2313 dma_unmap_sg(&ha->pdev->dev,
2314 bsg_job->reply_payload.sg_list,
2315 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
2316
2317done:
2318 return rval;
2319}
2320
2321static int
2322qla24xx_bsg_request(struct fc_bsg_job *bsg_job)
2323{
2324 int ret = -EINVAL;
2325
2326 switch (bsg_job->request->msgcode) {
2327 case FC_BSG_RPT_ELS:
2328 case FC_BSG_HST_ELS_NOLOGIN:
2329 ret = qla2x00_process_els(bsg_job);
2330 break;
2331 case FC_BSG_HST_CT:
2332 ret = qla2x00_process_ct(bsg_job);
2333 break;
2334 case FC_BSG_HST_VENDOR:
2335 ret = qla2x00_process_vendor_specific(bsg_job);
2336 break;
2337 case FC_BSG_HST_ADD_RPORT:
2338 case FC_BSG_HST_DEL_RPORT:
2339 case FC_BSG_RPT_CT:
2340 default:
2341 DEBUG2(printk("qla2xxx: unsupported BSG request\n"));
2342 break;
2343 }
2344 return ret;
2345}
2346
2347static int
2348qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job)
2349{
2350 scsi_qla_host_t *vha = shost_priv(bsg_job->shost);
2351 struct qla_hw_data *ha = vha->hw;
2352 srb_t *sp;
2353 int cnt, que;
2354 unsigned long flags;
2355 struct req_que *req;
2356 struct srb_bsg *sp_bsg;
2357
2358 /* find the bsg job from the active list of commands */
2359 spin_lock_irqsave(&ha->hardware_lock, flags);
2360 for (que = 0; que < ha->max_req_queues; que++) {
2361 req = ha->req_q_map[que];
2362 if (!req)
2363 continue;
2364
2365 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++ ) {
2366 sp = req->outstanding_cmds[cnt];
2367
2368 if (sp) {
2369 sp_bsg = (struct srb_bsg*)sp->ctx;
2370
2371 if (((sp_bsg->ctx.type == SRB_CT_CMD) ||
2372 (sp_bsg->ctx.type == SRB_ELS_CMD_RPT)
2373 || ( sp_bsg->ctx.type == SRB_ELS_CMD_HST)) &&
2374 (sp_bsg->bsg_job == bsg_job)) {
2375 if (ha->isp_ops->abort_command(sp)) {
2376 DEBUG2(qla_printk(KERN_INFO, ha,
2377 "scsi(%ld): mbx abort_command failed\n", vha->host_no));
2378 bsg_job->req->errors = bsg_job->reply->result = -EIO;
2379 } else {
2380 DEBUG2(qla_printk(KERN_INFO, ha,
2381 "scsi(%ld): mbx abort_command success\n", vha->host_no));
2382 bsg_job->req->errors = bsg_job->reply->result = 0;
2383 }
2384 goto done;
2385 }
2386 }
2387 }
2388 }
2389 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2390 DEBUG2(qla_printk(KERN_INFO, ha,
2391 "scsi(%ld) SRB not found to abort\n", vha->host_no));
2392 bsg_job->req->errors = bsg_job->reply->result = -ENXIO;
2393 return 0;
2394
2395done:
2396 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2397 if (bsg_job->request->msgcode == FC_BSG_HST_CT)
2398 kfree(sp->fcport);
2399 kfree(sp->ctx);
2400 mempool_free(sp, ha->srb_mempool);
2401 return 0;
2402}
2403
2404struct fc_function_template qla2xxx_transport_functions = { 1826struct fc_function_template qla2xxx_transport_functions = {
2405 1827
2406 .show_host_node_name = 1, 1828 .show_host_node_name = 1,
@@ -2516,125 +1938,3 @@ qla2x00_init_host_attr(scsi_qla_host_t *vha)
2516 speed = FC_PORTSPEED_1GBIT; 1938 speed = FC_PORTSPEED_1GBIT;
2517 fc_host_supported_speeds(vha->host) = speed; 1939 fc_host_supported_speeds(vha->host) = speed;
2518} 1940}
2519static int
2520qla84xx_reset(scsi_qla_host_t *ha, struct msg_echo_lb *mreq, struct fc_bsg_job *bsg_job)
2521{
2522 int ret = 0;
2523 int cmd;
2524 uint16_t cmd_status;
2525
2526 DEBUG16(printk("%s(%ld): entered.\n", __func__, ha->host_no));
2527
2528 cmd = (*((bsg_job->request->rqst_data.h_vendor.vendor_cmd) + 2))
2529 == A84_RESET_FLAG_ENABLE_DIAG_FW ?
2530 A84_ISSUE_RESET_DIAG_FW : A84_ISSUE_RESET_OP_FW;
2531 ret = qla84xx_reset_chip(ha, cmd == A84_ISSUE_RESET_DIAG_FW,
2532 &cmd_status);
2533 return ret;
2534}
2535
2536static int
2537qla84xx_mgmt_cmd(scsi_qla_host_t *ha, struct msg_echo_lb *mreq, struct fc_bsg_job *bsg_job)
2538{
2539 struct access_chip_84xx *mn;
2540 dma_addr_t mn_dma, mgmt_dma;
2541 void *mgmt_b = NULL;
2542 int ret = 0;
2543 int rsp_hdr_len, len = 0;
2544 struct qla84_msg_mgmt *ql84_mgmt;
2545
2546 ql84_mgmt = (struct qla84_msg_mgmt *) vmalloc(sizeof(struct qla84_msg_mgmt));
2547 ql84_mgmt->cmd =
2548 *((uint16_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 2));
2549 ql84_mgmt->mgmtp.u.mem.start_addr =
2550 *((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 3));
2551 ql84_mgmt->len =
2552 *((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 4));
2553 ql84_mgmt->mgmtp.u.config.id =
2554 *((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 5));
2555 ql84_mgmt->mgmtp.u.config.param0 =
2556 *((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 6));
2557 ql84_mgmt->mgmtp.u.config.param1 =
2558 *((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 7));
2559 ql84_mgmt->mgmtp.u.info.type =
2560 *((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 8));
2561 ql84_mgmt->mgmtp.u.info.context =
2562 *((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 9));
2563
2564 rsp_hdr_len = bsg_job->request_payload.payload_len;
2565
2566 mn = dma_pool_alloc(ha->hw->s_dma_pool, GFP_KERNEL, &mn_dma);
2567 if (mn == NULL) {
2568 DEBUG2(printk(KERN_ERR "%s: dma alloc for fw buffer "
2569 "failed%lu\n", __func__, ha->host_no));
2570 return -ENOMEM;
2571 }
2572
2573 memset(mn, 0, sizeof (struct access_chip_84xx));
2574
2575 mn->entry_type = ACCESS_CHIP_IOCB_TYPE;
2576 mn->entry_count = 1;
2577
2578 switch (ql84_mgmt->cmd) {
2579 case QLA84_MGMT_READ_MEM:
2580 mn->options = cpu_to_le16(ACO_DUMP_MEMORY);
2581 mn->parameter1 = cpu_to_le32(ql84_mgmt->mgmtp.u.mem.start_addr);
2582 break;
2583 case QLA84_MGMT_WRITE_MEM:
2584 mn->options = cpu_to_le16(ACO_LOAD_MEMORY);
2585 mn->parameter1 = cpu_to_le32(ql84_mgmt->mgmtp.u.mem.start_addr);
2586 break;
2587 case QLA84_MGMT_CHNG_CONFIG:
2588 mn->options = cpu_to_le16(ACO_CHANGE_CONFIG_PARAM);
2589 mn->parameter1 = cpu_to_le32(ql84_mgmt->mgmtp.u.config.id);
2590 mn->parameter2 = cpu_to_le32(ql84_mgmt->mgmtp.u.config.param0);
2591 mn->parameter3 = cpu_to_le32(ql84_mgmt->mgmtp.u.config.param1);
2592 break;
2593 case QLA84_MGMT_GET_INFO:
2594 mn->options = cpu_to_le16(ACO_REQUEST_INFO);
2595 mn->parameter1 = cpu_to_le32(ql84_mgmt->mgmtp.u.info.type);
2596 mn->parameter2 = cpu_to_le32(ql84_mgmt->mgmtp.u.info.context);
2597 break;
2598 default:
2599 ret = -EIO;
2600 goto exit_mgmt0;
2601 }
2602
2603 if ((len == ql84_mgmt->len) &&
2604 ql84_mgmt->cmd != QLA84_MGMT_CHNG_CONFIG) {
2605 mgmt_b = dma_alloc_coherent(&ha->hw->pdev->dev, len,
2606 &mgmt_dma, GFP_KERNEL);
2607 if (mgmt_b == NULL) {
2608 DEBUG2(printk(KERN_ERR "%s: dma alloc mgmt_b "
2609 "failed%lu\n", __func__, ha->host_no));
2610 ret = -ENOMEM;
2611 goto exit_mgmt0;
2612 }
2613 mn->total_byte_cnt = cpu_to_le32(ql84_mgmt->len);
2614 mn->dseg_count = cpu_to_le16(1);
2615 mn->dseg_address[0] = cpu_to_le32(LSD(mgmt_dma));
2616 mn->dseg_address[1] = cpu_to_le32(MSD(mgmt_dma));
2617 mn->dseg_length = cpu_to_le32(len);
2618
2619 if (ql84_mgmt->cmd == QLA84_MGMT_WRITE_MEM) {
2620 memcpy(mgmt_b, ql84_mgmt->payload, len);
2621 }
2622 }
2623
2624 ret = qla2x00_issue_iocb(ha, mn, mn_dma, 0);
2625 if ((ret != QLA_SUCCESS) || (ql84_mgmt->cmd == QLA84_MGMT_WRITE_MEM)
2626 || (ql84_mgmt->cmd == QLA84_MGMT_CHNG_CONFIG)) {
2627 if (ret != QLA_SUCCESS)
2628 DEBUG2(printk(KERN_ERR "%s(%lu): failed\n",
2629 __func__, ha->host_no));
2630 } else if ((ql84_mgmt->cmd == QLA84_MGMT_READ_MEM) ||
2631 (ql84_mgmt->cmd == QLA84_MGMT_GET_INFO)) {
2632 }
2633
2634 if (mgmt_b)
2635 dma_free_coherent(&ha->hw->pdev->dev, len, mgmt_b, mgmt_dma);
2636
2637exit_mgmt0:
2638 dma_pool_free(ha->hw->s_dma_pool, mn, mn_dma);
2639 return ret;
2640}
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-05 18:48:37 -0500