1 /* 2 * Copyright (c) 2007 Vladimir Nadvornik <nadvornik (at) suse.cz> 3 * Copyright (c) 2007 Dmitry V. Levin <ldv (at) altlinux.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "defs.h" 30 31 #ifdef HAVE_SCSI_SG_H 32 33 # include <sys/ioctl.h> 34 # include <scsi/sg.h> 35 36 # include "xlat/sg_io_dxfer_direction.h" 37 38 # ifdef HAVE_LINUX_BSG_H 39 # include <linux/bsg.h> 40 # include <sys/uio.h> 41 # include "xlat/bsg_protocol.h" 42 # include "xlat/bsg_subprotocol.h" 43 # endif 44 45 static void 46 print_sg_io_buffer(struct tcb *tcp, unsigned long addr, const unsigned int len) 47 { 48 unsigned char *buf = NULL; 49 unsigned int allocated, i; 50 51 tprints("["); 52 if (len == 0) 53 goto out; 54 allocated = (len > max_strlen) ? max_strlen : len; 55 if ((buf = malloc(allocated)) == NULL || 56 umoven(tcp, addr, allocated, buf) < 0) { 57 tprintf("%#lx", addr); 58 goto out; 59 } 60 tprintf("%02x", buf[0]); 61 for (i = 1; i < allocated; ++i) 62 tprintf(", %02x", buf[i]); 63 if (allocated != len) 64 tprints(", ..."); 65 out: 66 free(buf); 67 tprints("]"); 68 } 69 70 static void 71 print_sg_io_v3_req(struct tcb *tcp, long arg) 72 { 73 struct sg_io_hdr sg_io; 74 75 if (umove(tcp, arg, &sg_io) < 0) { 76 tprintf(", %#lx", arg); 77 return; 78 } 79 80 tprints(", "); 81 printxval(sg_io_dxfer_direction, sg_io.dxfer_direction, 82 "SG_DXFER_???"); 83 tprintf(", cmd[%u]=", sg_io.cmd_len); 84 print_sg_io_buffer(tcp, (unsigned long) sg_io.cmdp, sg_io.cmd_len); 85 tprintf(", mx_sb_len=%d", sg_io.mx_sb_len); 86 tprintf(", iovec_count=%d", sg_io.iovec_count); 87 tprintf(", dxfer_len=%u", sg_io.dxfer_len); 88 tprintf(", timeout=%u", sg_io.timeout); 89 tprintf(", flags=%#x", sg_io.flags); 90 91 if (sg_io.dxfer_direction == SG_DXFER_TO_DEV || 92 sg_io.dxfer_direction == SG_DXFER_TO_FROM_DEV) { 93 tprintf(", data[%u]=", sg_io.dxfer_len); 94 if (sg_io.iovec_count) 95 tprint_iov_upto(tcp, sg_io.iovec_count, 96 (unsigned long) sg_io.dxferp, 1, 97 sg_io.dxfer_len); 98 else 99 print_sg_io_buffer(tcp, (unsigned long) sg_io.dxferp, 100 sg_io.dxfer_len); 101 } 102 } 103 104 static void 105 print_sg_io_v3_res(struct tcb *tcp, long arg) 106 { 107 struct sg_io_hdr sg_io; 108 109 if (umove(tcp, arg, &sg_io) < 0) { 110 tprintf(", %#lx", arg); 111 return; 112 } 113 114 if (sg_io.dxfer_direction == SG_DXFER_FROM_DEV || 115 sg_io.dxfer_direction == SG_DXFER_TO_FROM_DEV) { 116 uint32_t din_len = sg_io.dxfer_len; 117 118 if (sg_io.resid > 0) 119 din_len -= sg_io.resid; 120 tprintf(", data[%u]=", din_len); 121 if (sg_io.iovec_count) 122 tprint_iov_upto(tcp, sg_io.iovec_count, 123 (unsigned long) sg_io.dxferp, 1, 124 din_len); 125 else 126 print_sg_io_buffer(tcp, (unsigned long) sg_io.dxferp, 127 din_len); 128 } 129 tprintf(", status=%02x", sg_io.status); 130 tprintf(", masked_status=%02x", sg_io.masked_status); 131 tprintf(", sb[%u]=", sg_io.sb_len_wr); 132 print_sg_io_buffer(tcp, (unsigned long) sg_io.sbp, sg_io.sb_len_wr); 133 tprintf(", host_status=%#x", sg_io.host_status); 134 tprintf(", driver_status=%#x", sg_io.driver_status); 135 tprintf(", resid=%d", sg_io.resid); 136 tprintf(", duration=%d", sg_io.duration); 137 tprintf(", info=%#x", sg_io.info); 138 } 139 140 #ifdef HAVE_LINUX_BSG_H 141 142 static void 143 print_sg_io_v4_req(struct tcb *tcp, long arg) 144 { 145 struct sg_io_v4 sg_io; 146 147 if (umove(tcp, arg, &sg_io) < 0) { 148 tprintf(", %#lx", arg); 149 return; 150 } 151 152 tprints(", "); 153 printxval(bsg_protocol, sg_io.protocol, "BSG_PROTOCOL_???"); 154 tprints(", "); 155 printxval(bsg_subprotocol, sg_io.subprotocol, "BSG_SUB_PROTOCOL_???"); 156 tprintf(", request[%u]=", sg_io.request_len); 157 print_sg_io_buffer(tcp, sg_io.request, sg_io.request_len); 158 tprintf(", request_tag=%llu", (unsigned long long) sg_io.request_tag); 159 tprintf(", request_attr=%u", sg_io.request_attr); 160 tprintf(", request_priority=%u", sg_io.request_priority); 161 tprintf(", request_extra=%u", sg_io.request_extra); 162 tprintf(", max_response_len=%u", sg_io.max_response_len); 163 164 tprintf(", dout_iovec_count=%u", sg_io.dout_iovec_count); 165 tprintf(", dout_xfer_len=%u", sg_io.dout_xfer_len); 166 tprintf(", din_iovec_count=%u", sg_io.din_iovec_count); 167 tprintf(", din_xfer_len=%u", sg_io.din_xfer_len); 168 tprintf(", timeout=%u", sg_io.timeout); 169 tprintf(", flags=%u", sg_io.flags); 170 tprintf(", usr_ptr=%llu", (unsigned long long) sg_io.usr_ptr); 171 tprintf(", spare_in=%u", sg_io.spare_in); 172 tprintf(", dout[%u]=", sg_io.dout_xfer_len); 173 if (sg_io.dout_iovec_count) 174 tprint_iov_upto(tcp, sg_io.dout_iovec_count, sg_io.dout_xferp, 175 1, sg_io.dout_xfer_len); 176 else 177 print_sg_io_buffer(tcp, sg_io.dout_xferp, sg_io.dout_xfer_len); 178 } 179 180 static void 181 print_sg_io_v4_res(struct tcb *tcp, long arg) 182 { 183 struct sg_io_v4 sg_io; 184 uint32_t din_len; 185 186 if (umove(tcp, arg, &sg_io) < 0) { 187 tprintf(", %#lx", arg); 188 return; 189 } 190 191 tprintf(", response[%u]=", sg_io.response_len); 192 print_sg_io_buffer(tcp, sg_io.response, sg_io.response_len); 193 din_len = sg_io.din_xfer_len; 194 if (sg_io.din_resid > 0) 195 din_len -= sg_io.din_resid; 196 tprintf(", din[%u]=", din_len); 197 if (sg_io.din_iovec_count) 198 tprint_iov_upto(tcp, sg_io.din_iovec_count, sg_io.din_xferp, 199 1, din_len); 200 else 201 print_sg_io_buffer(tcp, sg_io.din_xferp, din_len); 202 tprintf(", driver_status=%u", sg_io.driver_status); 203 tprintf(", transport_status=%u", sg_io.transport_status); 204 tprintf(", device_status=%u", sg_io.device_status); 205 tprintf(", retry_delay=%u", sg_io.retry_delay); 206 tprintf(", info=%u", sg_io.info); 207 tprintf(", duration=%u", sg_io.duration); 208 tprintf(", response_len=%u", sg_io.response_len); 209 tprintf(", din_resid=%u", sg_io.din_resid); 210 tprintf(", dout_resid=%u", sg_io.dout_resid); 211 tprintf(", generated_tag=%llu", (unsigned long long) sg_io.generated_tag); 212 tprintf(", spare_out=%u", sg_io.spare_out); 213 } 214 215 #else /* !HAVE_LINUX_BSG_H */ 216 217 static void 218 print_sg_io_v4_req(struct tcb *tcp, long arg) 219 { 220 tprintf(", %#lx", arg); 221 } 222 223 static void 224 print_sg_io_v4_res(struct tcb *tcp, long arg) 225 { 226 } 227 228 #endif 229 230 static void 231 print_sg_io_req(struct tcb *tcp, uint32_t iid, long arg) 232 { 233 tprintf("{'%c'", iid); 234 235 switch (iid) { 236 case 'S': 237 print_sg_io_v3_req(tcp, arg); 238 break; 239 case 'Q': 240 print_sg_io_v4_req(tcp, arg); 241 break; 242 default: 243 tprints(", ..."); 244 } 245 246 } 247 248 static void 249 print_sg_io_res(struct tcb *tcp, uint32_t iid, long arg) 250 { 251 if (!syserror(tcp)) { 252 switch (iid) { 253 case 'S': 254 print_sg_io_v3_res(tcp, arg); 255 break; 256 case 'Q': 257 print_sg_io_v4_res(tcp, arg); 258 break; 259 } 260 } 261 262 tprintf("}"); 263 } 264 265 int 266 scsi_ioctl(struct tcb *tcp, const unsigned int code, long arg) 267 { 268 uint32_t iid; 269 270 switch (code) { 271 case SG_IO: 272 if (entering(tcp)) { 273 tprints(", "); 274 if (umove(tcp, arg, &iid) < 0) 275 tprintf("%#lx", arg); 276 else 277 print_sg_io_req(tcp, iid, arg); 278 } else { 279 if (umove(tcp, arg, &iid) >= 0) 280 print_sg_io_res(tcp, iid, arg); 281 } 282 break; 283 default: 284 if (entering(tcp)) 285 tprintf(", %#lx", arg); 286 break; 287 } 288 return 1; 289 } 290 291 #endif /* HAVE_SCSI_SG_H */ 292
