qemu: improve scsi dma speed by increasing the dma buffer size
taken from Xen 17267:f4a92f0db20f, original patch by Samuel Thibault. Signed-off-by: Avi Kivity <avi@qumranet.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5385 c046a42c-6fe2-441c-8c8c-71466251a162
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@ -34,7 +34,7 @@ do { fprintf(stderr, "scsi-disk: " fmt , ##args); } while (0)
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#define SENSE_HARDWARE_ERROR 4
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#define SENSE_HARDWARE_ERROR 4
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#define SENSE_ILLEGAL_REQUEST 5
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#define SENSE_ILLEGAL_REQUEST 5
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#define SCSI_DMA_BUF_SIZE 65536
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#define SCSI_DMA_BUF_SIZE 131072
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typedef struct SCSIRequest {
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typedef struct SCSIRequest {
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SCSIDeviceState *dev;
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SCSIDeviceState *dev;
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