diff options
Diffstat (limited to 'hw/scsi-bus.c')
| -rw-r--r-- | hw/scsi-bus.c | 39 |
1 files changed, 25 insertions, 14 deletions
diff --git a/hw/scsi-bus.c b/hw/scsi-bus.c index b8a857d145..970c1fc01b 100644 --- a/hw/scsi-bus.c +++ b/hw/scsi-bus.c @@ -1,11 +1,11 @@ #include "hw.h" -#include "qemu-error.h" +#include "qemu/error-report.h" #include "scsi.h" #include "scsi-defs.h" #include "qdev.h" -#include "blockdev.h" +#include "sysemu/blockdev.h" #include "trace.h" -#include "dma.h" +#include "sysemu/dma.h" static char *scsibus_get_dev_path(DeviceState *dev); static char *scsibus_get_fw_dev_path(DeviceState *dev); @@ -761,6 +761,7 @@ static int ata_passthrough_12_xfer_size(SCSIDevice *dev, uint8_t *buf) switch (length) { case 0: case 3: /* USB-specific. */ + default: xfer = 0; break; case 1: @@ -784,6 +785,7 @@ static int ata_passthrough_16_xfer_size(SCSIDevice *dev, uint8_t *buf) switch (length) { case 0: case 3: /* USB-specific. */ + default: xfer = 0; break; case 1: @@ -799,26 +801,39 @@ static int ata_passthrough_16_xfer_size(SCSIDevice *dev, uint8_t *buf) return xfer * unit; } -static int scsi_req_length(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf) +uint32_t scsi_data_cdb_length(uint8_t *buf) +{ + if ((buf[0] >> 5) == 0 && buf[4] == 0) { + return 256; + } else { + return scsi_cdb_length(buf); + } +} + +uint32_t scsi_cdb_length(uint8_t *buf) { switch (buf[0] >> 5) { case 0: - cmd->xfer = buf[4]; + return buf[4]; break; case 1: case 2: - cmd->xfer = lduw_be_p(&buf[7]); + return lduw_be_p(&buf[7]); break; case 4: - cmd->xfer = ldl_be_p(&buf[10]) & 0xffffffffULL; + return ldl_be_p(&buf[10]) & 0xffffffffULL; break; case 5: - cmd->xfer = ldl_be_p(&buf[6]) & 0xffffffffULL; + return ldl_be_p(&buf[6]) & 0xffffffffULL; break; default: return -1; } +} +static int scsi_req_length(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf) +{ + cmd->xfer = scsi_cdb_length(buf); switch (buf[0]) { case TEST_UNIT_READY: case REWIND: @@ -1708,12 +1723,8 @@ static char *scsibus_get_dev_path(DeviceState *dev) static char *scsibus_get_fw_dev_path(DeviceState *dev) { SCSIDevice *d = SCSI_DEVICE(dev); - char path[100]; - - snprintf(path, sizeof(path), "channel@%x/%s@%x,%x", d->channel, - qdev_fw_name(dev), d->id, d->lun); - - return strdup(path); + return g_strdup_printf("channel@%x/%s@%x,%x", d->channel, + qdev_fw_name(dev), d->id, d->lun); } SCSIDevice *scsi_device_find(SCSIBus *bus, int channel, int id, int lun) |