diff options
Diffstat (limited to 'tools/ioemu/hw/scsi-disk.c')
| -rw-r--r-- | tools/ioemu/hw/scsi-disk.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/ioemu/hw/scsi-disk.c b/tools/ioemu/hw/scsi-disk.c index c6280fd559..acbe75fc98 100644 --- a/tools/ioemu/hw/scsi-disk.c +++ b/tools/ioemu/hw/scsi-disk.c @@ -26,13 +26,18 @@ do { printf("scsi-disk: " fmt , ##args); } while (0) do { fprintf(stderr, "scsi-disk: " fmt , ##args); } while (0) #include "vl.h" +#include <malloc.h> #define SENSE_NO_SENSE 0 #define SENSE_NOT_READY 2 #define SENSE_HARDWARE_ERROR 4 #define SENSE_ILLEGAL_REQUEST 5 +#ifdef CONFIG_STUBDOM +#define SCSI_DMA_BUF_SIZE 32768 +#else #define SCSI_DMA_BUF_SIZE 65536 +#endif typedef struct SCSIRequest { SCSIDevice *dev; @@ -44,7 +49,7 @@ typedef struct SCSIRequest { int sector_count; /* The amounnt of data in the buffer. */ int buf_len; - uint8_t dma_buf[SCSI_DMA_BUF_SIZE]; + uint8_t *dma_buf; BlockDriverAIOCB *aiocb; struct SCSIRequest *next; } SCSIRequest; @@ -76,6 +81,7 @@ static SCSIRequest *scsi_new_request(SCSIDevice *s, uint32_t tag) free_requests = r->next; } else { r = qemu_malloc(sizeof(SCSIRequest)); + r->dma_buf = qemu_memalign(getpagesize(), SCSI_DMA_BUF_SIZE); } r->dev = s; r->tag = tag; |