diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c index 9413b33bac..2b2e496ebd 100644 --- a/hw/scsi/scsi-disk.c +++ b/hw/scsi/scsi-disk.c @@ -1552,7 +1552,10 @@ static int mode_select_pages(SCSIDiskReq *r, uint8_t *p, int len, bool change) goto invalid_param; } if (page_len > len) { - goto invalid_param_len; + if (!(s->quirks & SCSI_DISK_QUIRK_MODE_PAGE_TRUNCATED)) { + goto invalid_param_len; + } + trace_scsi_disk_mode_select_page_truncated(page, page_len, len); } if (!change) { @@ -3151,6 +3154,8 @@ static Property scsi_cd_properties[] = { DEFINE_PROP_BIT("quirk_mode_page_vendor_specific_apple", SCSIDiskState, quirks, SCSI_DISK_QUIRK_MODE_PAGE_VENDOR_SPECIFIC_APPLE, 0), + DEFINE_PROP_BIT("quirk_mode_page_truncated", SCSIDiskState, quirks, + SCSI_DISK_QUIRK_MODE_PAGE_TRUNCATED, 0), DEFINE_PROP_END_OF_LIST(), }; diff --git a/hw/scsi/trace-events b/hw/scsi/trace-events index 03b2640934..8e927ff62d 100644 --- a/hw/scsi/trace-events +++ b/hw/scsi/trace-events @@ -339,6 +339,7 @@ scsi_disk_dma_command_READ(uint64_t lba, uint32_t len) "Read (sector %" PRId64 " scsi_disk_dma_command_WRITE(const char *cmd, uint64_t lba, int len) "Write %s(sector %" PRId64 ", count %u)" scsi_disk_new_request(uint32_t lun, uint32_t tag, const char *line) "Command: lun=%d tag=0x%x data=%s" scsi_disk_aio_sgio_command(uint32_t tag, uint8_t cmd, uint64_t lba, int len, uint32_t timeout) "disk aio sgio: tag=0x%x cmd=0x%x (sector %" PRId64 ", count %d) timeout=%u" +scsi_disk_mode_select_page_truncated(int page, int len, int page_len) "page %d expected length %d but received length %d" # scsi-generic.c scsi_generic_command_complete_noio(void *req, uint32_t tag, int statuc) "Command complete %p tag=0x%x status=%d" diff --git a/include/hw/scsi/scsi.h b/include/hw/scsi/scsi.h index 011cb84753..e284e3a4ec 100644 --- a/include/hw/scsi/scsi.h +++ b/include/hw/scsi/scsi.h @@ -230,5 +230,6 @@ extern const SCSIReqOps scsi_generic_req_ops; #define SCSI_DISK_QUIRK_MODE_PAGE_APPLE_VENDOR 0 #define SCSI_DISK_QUIRK_MODE_SENSE_ROM_USE_DBD 1 #define SCSI_DISK_QUIRK_MODE_PAGE_VENDOR_SPECIFIC_APPLE 2 +#define SCSI_DISK_QUIRK_MODE_PAGE_TRUNCATED 3 #endif