Revision e590ecbe
| b/hw/scsi-disk.c | ||
|---|---|---|
| 1080 | 1080 |
{
|
| 1081 | 1081 |
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); |
| 1082 | 1082 |
uint64_t nb_sectors; |
| 1083 |
int page, dbd, buflen, ret, page_control; |
|
| 1083 |
bool dbd; |
|
| 1084 |
int page, buflen, ret, page_control; |
|
| 1084 | 1085 |
uint8_t *p; |
| 1085 | 1086 |
uint8_t dev_specific_param; |
| 1086 | 1087 |
|
| 1087 |
dbd = r->req.cmd.buf[1] & 0x8;
|
|
| 1088 |
dbd = (r->req.cmd.buf[1] & 0x8) != 0;
|
|
| 1088 | 1089 |
page = r->req.cmd.buf[2] & 0x3f; |
| 1089 | 1090 |
page_control = (r->req.cmd.buf[2] & 0xc0) >> 6; |
| 1090 | 1091 |
DPRINTF("Mode Sense(%d) (page %d, xfer %zd, page_control %d)\n",
|
| ... | ... | |
| 1092 | 1093 |
memset(outbuf, 0, r->req.cmd.xfer); |
| 1093 | 1094 |
p = outbuf; |
| 1094 | 1095 |
|
| 1095 |
if (bdrv_is_read_only(s->qdev.conf.bs)) {
|
|
| 1096 |
dev_specific_param = 0x80; /* Readonly. */ |
|
| 1096 |
dev_specific_param = 0x00; |
|
| 1097 |
if (s->qdev.type == TYPE_DISK) {
|
|
| 1098 |
if (bdrv_is_read_only(s->qdev.conf.bs)) {
|
|
| 1099 |
dev_specific_param |= 0x80; /* Readonly. */ |
|
| 1100 |
} |
|
| 1097 | 1101 |
} else {
|
| 1098 |
dev_specific_param = 0x00; |
|
| 1102 |
/* MMC prescribes that CD/DVD drives have no block descriptors, |
|
| 1103 |
* and defines no device-specific parameter. */ |
|
| 1104 |
dbd = true; |
|
| 1099 | 1105 |
} |
| 1100 | 1106 |
|
| 1101 | 1107 |
if (r->req.cmd.buf[0] == MODE_SENSE) {
|
| ... | ... | |
| 1110 | 1116 |
p += 8; |
| 1111 | 1117 |
} |
| 1112 | 1118 |
|
| 1113 |
/* MMC prescribes that CD/DVD drives have no block descriptors. */ |
|
| 1114 | 1119 |
bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); |
| 1115 |
if (!dbd && s->qdev.type == TYPE_DISK && nb_sectors) {
|
|
| 1120 |
if (!dbd && nb_sectors) {
|
|
| 1116 | 1121 |
if (r->req.cmd.buf[0] == MODE_SENSE) {
|
| 1117 | 1122 |
outbuf[3] = 8; /* Block descriptor length */ |
| 1118 | 1123 |
} else { /* MODE_SENSE_10 */
|
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