diff options
Diffstat (limited to 'hw/scsi-disk.c')
| -rw-r--r-- | hw/scsi-disk.c | 66 |
1 files changed, 32 insertions, 34 deletions
diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c index a029ab6e8..045c764d9 100644 --- a/hw/scsi-disk.c +++ b/hw/scsi-disk.c @@ -28,9 +28,6 @@ do { printf("scsi-disk: " fmt , ## __VA_ARGS__); } while (0) #define DPRINTF(fmt, ...) do {} while(0) #endif -#define BADF(fmt, ...) \ -do { fprintf(stderr, "scsi-disk: " fmt , ## __VA_ARGS__); } while (0) - #include "qemu-common.h" #include "qemu-error.h" #include "scsi.h" @@ -61,10 +58,13 @@ typedef struct SCSIDiskReq { BlockAcctCookie acct; } SCSIDiskReq; +#define SCSI_DISK_F_REMOVABLE 0 +#define SCSI_DISK_F_DPOFUA 1 + struct SCSIDiskState { SCSIDevice qdev; - uint32_t removable; + uint32_t features; bool media_changed; bool media_event; bool eject_request; @@ -296,6 +296,13 @@ static void scsi_do_read(void *opaque, int ret) } } + if (r->req.io_canceled) { + return; + } + + /* The request is used as the AIO opaque value, so add a ref. */ + scsi_req_ref(&r->req); + if (r->req.sg) { dma_acct_start(s->qdev.conf.bs, &r->acct, r->req.sg, BDRV_ACCT_READ); r->req.resid -= r->req.sg->size; @@ -505,20 +512,9 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf) SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev); int buflen = 0; - if (req->cmd.buf[1] & 0x2) { - /* Command support data - optional, not implemented */ - BADF("optional INQUIRY command support request not implemented\n"); - return -1; - } - if (req->cmd.buf[1] & 0x1) { /* Vital product data */ uint8_t page_code = req->cmd.buf[2]; - if (req->cmd.xfer < 4) { - BADF("Error: Inquiry (EVPD[%02X]) buffer size %zd is " - "less than 4\n", page_code, req->cmd.xfer); - return -1; - } outbuf[buflen++] = s->qdev.type & 0x1f; outbuf[buflen++] = page_code ; // this page @@ -633,8 +629,6 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf) break; } default: - BADF("Error: unsupported Inquiry (EVPD[%02X]) " - "buffer size %zd\n", page_code, req->cmd.xfer); return -1; } /* done with EVPD */ @@ -643,18 +637,10 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf) /* Standard INQUIRY data */ if (req->cmd.buf[2] != 0) { - BADF("Error: Inquiry (STANDARD) page or code " - "is non-zero [%02X]\n", req->cmd.buf[2]); return -1; } /* PAGE CODE == 0 */ - if (req->cmd.xfer < 5) { - BADF("Error: Inquiry (STANDARD) buffer size %zd " - "is less than 5\n", req->cmd.xfer); - return -1; - } - buflen = req->cmd.xfer; if (buflen > SCSI_MAX_INQUIRY_LEN) { buflen = SCSI_MAX_INQUIRY_LEN; @@ -662,7 +648,7 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf) memset(outbuf, 0, buflen); outbuf[0] = s->qdev.type & 0x1f; - outbuf[1] = s->removable ? 0x80 : 0; + outbuf[1] = (s->features & (1 << SCSI_DISK_F_REMOVABLE)) ? 0x80 : 0; if (s->qdev.type == TYPE_ROM) { memcpy(&outbuf[16], "QEMU CD-ROM ", 16); } else { @@ -1094,7 +1080,7 @@ static int scsi_disk_emulate_mode_sense(SCSIDiskReq *r, uint8_t *outbuf) p = outbuf; if (s->qdev.type == TYPE_DISK) { - dev_specific_param = 0x10; /* DPOFUA */ + dev_specific_param = s->features & (1 << SCSI_DISK_F_DPOFUA) ? 0x10 : 0; if (bdrv_is_read_only(s->qdev.conf.bs)) { dev_specific_param |= 0x80; /* Readonly. */ } @@ -1559,8 +1545,11 @@ static int32_t scsi_send_command(SCSIRequest *req, uint8_t *buf) } break; case WRITE_SAME_10: + len = lduw_be_p(&buf[7]); + goto write_same; case WRITE_SAME_16: - len = r->req.cmd.xfer / s->qdev.blocksize; + len = ldl_be_p(&buf[10]) & 0xffffffffULL; + write_same: DPRINTF("WRITE SAME() (sector %" PRId64 ", count %d)\n", r->req.cmd.lba, len); @@ -1700,7 +1689,8 @@ static int scsi_initfn(SCSIDevice *dev) return -1; } - if (!s->removable && !bdrv_is_inserted(s->qdev.conf.bs)) { + if (!(s->features & (1 << SCSI_DISK_F_REMOVABLE)) && + !bdrv_is_inserted(s->qdev.conf.bs)) { error_report("Device needs media, but drive is empty"); return -1; } @@ -1722,7 +1712,7 @@ static int scsi_initfn(SCSIDevice *dev) return -1; } - if (s->removable) { + if (s->features & (1 << SCSI_DISK_F_REMOVABLE)) { bdrv_set_dev_ops(s->qdev.conf.bs, &scsi_cd_block_ops, s); } bdrv_set_buffer_alignment(s->qdev.conf.bs, s->qdev.blocksize); @@ -1745,7 +1735,7 @@ static int scsi_cd_initfn(SCSIDevice *dev) SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev); s->qdev.blocksize = 2048; s->qdev.type = TYPE_ROM; - s->removable = true; + s->features |= 1 << SCSI_DISK_F_REMOVABLE; return scsi_initfn(&s->qdev); } @@ -1818,7 +1808,9 @@ static int get_device_type(SCSIDiskState *s) return -1; } s->qdev.type = buf[0]; - s->removable = (buf[1] & 0x80) != 0; + if (buf[1] & 0x80) { + s->features |= 1 << SCSI_DISK_F_REMOVABLE; + } return 0; } @@ -1918,7 +1910,10 @@ static SCSIRequest *scsi_block_new_request(SCSIDevice *d, uint32_t tag, static Property scsi_hd_properties[] = { DEFINE_SCSI_DISK_PROPERTIES(), - DEFINE_PROP_BIT("removable", SCSIDiskState, removable, 0, false), + DEFINE_PROP_BIT("removable", SCSIDiskState, features, + SCSI_DISK_F_REMOVABLE, false), + DEFINE_PROP_BIT("dpofua", SCSIDiskState, features, + SCSI_DISK_F_DPOFUA, false), DEFINE_PROP_END_OF_LIST(), }; @@ -2020,7 +2015,10 @@ static TypeInfo scsi_block_info = { static Property scsi_disk_properties[] = { DEFINE_SCSI_DISK_PROPERTIES(), - DEFINE_PROP_BIT("removable", SCSIDiskState, removable, 0, false), + DEFINE_PROP_BIT("removable", SCSIDiskState, features, + SCSI_DISK_F_REMOVABLE, false), + DEFINE_PROP_BIT("dpofua", SCSIDiskState, features, + SCSI_DISK_F_DPOFUA, false), DEFINE_PROP_END_OF_LIST(), }; |