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
This commit is contained in:
		
							parent
							
								
									9155fc4599
								
							
						
					
					
						commit
						f0f72ffe64
					
				@ -34,7 +34,7 @@ do { fprintf(stderr, "scsi-disk: " fmt , ##args); } while (0)
 | 
				
			|||||||
#define SENSE_HARDWARE_ERROR  4
 | 
					#define SENSE_HARDWARE_ERROR  4
 | 
				
			||||||
#define SENSE_ILLEGAL_REQUEST 5
 | 
					#define SENSE_ILLEGAL_REQUEST 5
 | 
				
			||||||
 | 
					
 | 
				
			||||||
#define SCSI_DMA_BUF_SIZE    65536
 | 
					#define SCSI_DMA_BUF_SIZE    131072
 | 
				
			||||||
 | 
					
 | 
				
			||||||
typedef struct SCSIRequest {
 | 
					typedef struct SCSIRequest {
 | 
				
			||||||
    SCSIDeviceState *dev;
 | 
					    SCSIDeviceState *dev;
 | 
				
			||||||
 | 
				
			|||||||
		Loading…
	
	
			
			x
			
			
		
	
		Reference in New Issue
	
	Block a user