ahci: drop ATA_CMD constants

diff --git a/hw/ahci.c b/hw/ahci.c
index 9987459..b4eafdf 100644
--- a/hw/ahci.c
+++ b/hw/ahci.c
@@ -153,33 +153,6 @@  do { fprintf(stderr,"ahci: " fmt , ## __VA_ARGS__); } while (0)
 #define STATE_RESET 1
 
 /*
- * ATA Commands (only mandatory commands listed here)
- */
-#define ATA_CMD_READ	0x20	/* Read Sectors (with retries)	*/
-#define ATA_CMD_READN	0x21	/* Read Sectors ( no  retries)	*/
-#define ATA_CMD_WRITE	0x30	/* Write Sectores (with retries)*/
-#define ATA_CMD_WRITEN	0x31	/* Write Sectors  ( no  retries)*/
-#define ATA_CMD_VRFY	0x40	/* Read Verify  (with retries)	*/
-#define ATA_CMD_VRFYN	0x41	/* Read verify  ( no  retries)	*/
-#define ATA_CMD_SEEK	0x70	/* Seek				*/
-#define ATA_CMD_DIAG	0x90	/* Execute Device Diagnostic	*/
-#define ATA_CMD_INIT	0x91	/* Initialize Device Parameters	*/
-#define ATA_CMD_RD_MULT	0xC4	/* Read Multiple		*/
-#define ATA_CMD_WR_MULT	0xC5	/* Write Multiple		*/
-#define ATA_CMD_SETMULT	0xC6	/* Set Multiple Mode		*/
-#define ATA_CMD_RD_DMA	0xC8	/* Read DMA (with retries)	*/
-#define ATA_CMD_RD_DMAN	0xC9	/* Read DMS ( no  retries)	*/
-#define ATA_CMD_WR_DMA	0xCA	/* Write DMA (with retries)	*/
-#define ATA_CMD_WR_DMAN	0xCB	/* Write DMA ( no  retires)	*/
-#define ATA_CMD_IDENT	0xEC	/* Identify Device		*/
-#define ATA_CMD_SETF	0xEF	/* Set Features			*/
-#define ATA_CMD_CHK_PWR	0xE5	/* Check Power Mode		*/
-
-#define ATA_CMD_READ_EXT 0x24	/* Read Sectors (with retries)	with 48bit addressing */
-#define ATA_CMD_WRITE_EXT	0x34	/* Write Sectores (with retries) with 48bit addressing */
-#define ATA_CMD_VRFY_EXT	0x42	/* Read Verify	(with retries)	with 48bit addressing */
-
-/*
  * ATAPI Commands
  */
 #define ATAPI_CMD_IDENT 0xA1 /* Identify AT Atachment Packed Interface Device */
@@ -1067,7 +1040,7 @@  static void handle_cmd(AHCIState *s,int port,int slot)
 				pr->irq_stat |= (1<<2);
 				break;
 				
-			case ATA_CMD_IDENT:
+			case WIN_IDENTIFY:
 				ide_identify(ide_state);
 				write_to_sglist(ide_state->identify_data, sizeof(ide_state->identify_data),s->prdt_buf,prdt_num);
 				pr->irq_stat |= (1<<2);
@@ -1091,7 +1064,7 @@  static void handle_cmd(AHCIState *s,int port,int slot)
 			case WIN_SETFEATURES:
 				pr->irq_stat |= (1<<2);
 				break;
-			case ATA_CMD_RD_DMA:
+			case WIN_READDMA:
 				sector_num=(((int64_t)fis[10])<<40)|(((int64_t)fis[9])<<32)|(fis[8]<<24)|(fis[6]<<16)|(fis[5]<<8)|fis[4];
 				nb_sectors=(fis[13]<<8)|fis[12];
 				if(!nb_sectors)nb_sectors=256;
@@ -1103,7 +1076,7 @@  static void handle_cmd(AHCIState *s,int port,int slot)
 				}
 				pr->irq_stat |= (1<<2);
 				break;
-			case ATA_CMD_WR_DMA:
+			case WIN_WRITEDMA:
 				sector_num=(((int64_t)fis[10])<<40)|(((int64_t)fis[9])<<32)|(fis[8]<<24)|(fis[6]<<16)|(fis[5]<<8)|fis[4];
 				nb_sectors=(fis[13]<<8)|fis[12];
 				if(!nb_sectors)nb_sectors=256;