1 #include "defs.h" 2 3 #ifdef LINUX 4 #include <sys/ioctl.h> 5 #include <scsi/sg.h> 6 7 static const struct xlat sg_io_dxfer_direction[] = { 8 {SG_DXFER_NONE, "SG_DXFER_NONE"}, 9 {SG_DXFER_TO_DEV, "SG_DXFER_TO_DEV"}, 10 {SG_DXFER_FROM_DEV, "SG_DXFER_FROM_DEV"}, 11 {SG_DXFER_TO_FROM_DEV, "SG_DXFER_TO_FROM_DEV"}, 12 {0, NULL} 13 }; 14 15 static void 16 print_sg_io_buffer(struct tcb *tcp, unsigned char *addr, int len) 17 { 18 unsigned char *buf = NULL; 19 int allocated, i; 20 21 if (len == 0) 22 return; 23 allocated = (len > max_strlen) ? max_strlen : len; 24 if (len < 0 || 25 (buf = malloc(allocated)) == NULL || 26 umoven(tcp, (unsigned long) addr, allocated, (char *) buf) < 0) { 27 tprintf("%p", addr); 28 free(buf); 29 return; 30 } 31 tprintf("%02x", buf[0]); 32 for (i = 1; i < allocated; ++i) 33 tprintf(", %02x", buf[i]); 34 free(buf); 35 if (allocated != len) 36 tprintf(", ..."); 37 } 38 39 static void 40 print_sg_io_req(struct tcb *tcp, struct sg_io_hdr *sg_io) 41 { 42 tprintf("{'%c', ", sg_io->interface_id); 43 printxval(sg_io_dxfer_direction, sg_io->dxfer_direction, 44 "SG_DXFER_???"); 45 tprintf(", cmd[%u]=[", sg_io->cmd_len); 46 print_sg_io_buffer(tcp, sg_io->cmdp, sg_io->cmd_len); 47 tprintf("], mx_sb_len=%d, ", sg_io->mx_sb_len); 48 tprintf("iovec_count=%d, ", sg_io->iovec_count); 49 tprintf("dxfer_len=%u, ", sg_io->dxfer_len); 50 tprintf("timeout=%u, ", sg_io->timeout); 51 tprintf("flags=%#x", sg_io->flags); 52 53 if (sg_io->dxfer_direction == SG_DXFER_TO_DEV || 54 sg_io->dxfer_direction == SG_DXFER_TO_FROM_DEV) { 55 tprintf(", data[%u]=[", sg_io->dxfer_len); 56 printstr(tcp, (unsigned long) sg_io->dxferp, 57 sg_io->dxfer_len); 58 tprintf("]"); 59 } 60 } 61 62 static void 63 print_sg_io_res(struct tcb *tcp, struct sg_io_hdr *sg_io) 64 { 65 if (sg_io->dxfer_direction == SG_DXFER_FROM_DEV || 66 sg_io->dxfer_direction == SG_DXFER_TO_FROM_DEV) { 67 tprintf(", data[%u]=[", sg_io->dxfer_len); 68 printstr(tcp, (unsigned long) sg_io->dxferp, 69 sg_io->dxfer_len); 70 tprintf("]"); 71 } 72 tprintf(", status=%02x, ", sg_io->status); 73 tprintf("masked_status=%02x, ", sg_io->masked_status); 74 tprintf("sb[%u]=[", sg_io->sb_len_wr); 75 print_sg_io_buffer(tcp, sg_io->sbp, sg_io->sb_len_wr); 76 tprintf("], host_status=%#x, ", sg_io->host_status); 77 tprintf("driver_status=%#x, ", sg_io->driver_status); 78 tprintf("resid=%d, ", sg_io->resid); 79 tprintf("duration=%d, ", sg_io->duration); 80 tprintf("info=%#x}", sg_io->info); 81 } 82 83 int 84 scsi_ioctl(struct tcb *tcp, long code, long arg) 85 { 86 switch (code) { 87 case SG_IO: 88 if (entering(tcp)) { 89 struct sg_io_hdr sg_io; 90 91 if (umove(tcp, arg, &sg_io) < 0) 92 tprintf(", %#lx", arg); 93 else { 94 tprintf(", "); 95 print_sg_io_req(tcp, &sg_io); 96 } 97 } 98 if (exiting(tcp)) { 99 struct sg_io_hdr sg_io; 100 101 if (!syserror(tcp) && umove(tcp, arg, &sg_io) >= 0) 102 print_sg_io_res(tcp, &sg_io); 103 else 104 tprintf("}"); 105 } 106 break; 107 default: 108 if (entering(tcp)) 109 tprintf(", %#lx", arg); 110 break; 111 } 112 return 1; 113 } 114 #endif /* LINUX */ 115
