| Jeff Brown | f76f96e | 2012-03-02 16:23:23 -0800 | [diff] [blame^] | 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 */ |