diff options
Diffstat (limited to 'sys/dev/ata/atareg.h')
| -rw-r--r-- | sys/dev/ata/atareg.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/sys/dev/ata/atareg.h b/sys/dev/ata/atareg.h new file mode 100644 index 00000000000..18fbff35cc6 --- /dev/null +++ b/sys/dev/ata/atareg.h @@ -0,0 +1,158 @@ +/* $OpenBSD: atareg.h,v 1.1 1999/07/18 21:25:17 csapuntz Exp $ */ +/* $NetBSD: atareg.h,v 1.5 1999/01/18 20:06:24 bouyer Exp $ */ + +/* + * Drive parameter structure for ATA/ATAPI. + * Bit fields: WDC_* : common to ATA/ATAPI + * ATA_* : ATA only + * ATAPI_* : ATAPI only. + */ +struct ataparams { + /* drive info */ + u_int16_t atap_config; /* 0: general configuration */ +#define WDC_CFG_ATAPI_MASK 0xc000 +#define WDC_CFG_ATAPI 0x8000 +#define ATA_CFG_REMOVABLE 0x0080 +#define ATA_CFG_FIXED 0x0040 +#define ATAPI_CFG_TYPE_MASK 0x1f00 +#define ATAPI_CFG_TYPE(x) (((x) & ATAPI_CFG_TYPE_MASK) >> 8) +#define ATAPI_CFG_REMOV 0x0080 +#define ATAPI_CFG_DRQ_MASK 0x0060 +#define ATAPI_CFG_STD_DRQ 0x0000 +#define ATAPI_CFG_IRQ_DRQ 0x0020 +#define ATAPI_CFG_ACCEL_DRQ 0x0040 +#define ATAPI_CFG_CMD_MASK 0x0003 +#define ATAPI_CFG_CMD_12 0x0000 +#define ATAPI_CFG_CMD_16 0x0001 +/* words 1-9 are ATA only */ + u_int16_t atap_cylinders; /* 1: # of non-removable cylinders */ + u_int16_t __reserved1; + u_int16_t atap_heads; /* 3: # of heads */ + u_int16_t __retired1[2]; /* 4-5: # of unform. bytes/track */ + u_int16_t atap_sectors; /* 6: # of sectors */ + u_int16_t __retired2[3]; + + u_int8_t atap_serial[20]; /* 10-19: serial number */ + u_int16_t __retired3[2]; + u_int16_t __obsolete1; + u_int8_t atap_revision[8]; /* 23-26: firmware revision */ + u_int8_t atap_model[40]; /* 27-46: model number */ + u_int16_t atap_multi; /* 47: maximum sectors per irq (ATA) */ + u_int16_t __reserved2; + u_int16_t atap_capabilities1; /* 49: capability flags */ +#define WDC_CAP_IORDY 0x0800 +#define WDC_CAP_IORDY_DSBL 0x0400 +#define WDC_CAP_LBA 0x0200 +#define WDC_CAP_DMA 0x0100 +#define ATA_CAP_STBY 0x2000 +#define ATAPI_CAP_INTERL_DMA 0x8000 +#define ATAPI_CAP_CMD_QUEUE 0x4000 +#define ATAPI_CAP_OVERLP 0X2000 +#define ATAPI_CAP_ATA_RST 0x1000 + u_int16_t atap_capabilities2; /* 50: capability flags (ATA) */ +#if BYTE_ORDER == LITTLE_ENDIAN + u_int8_t __junk2; + u_int8_t atap_oldpiotiming; /* 51: old PIO timing mode */ + u_int8_t __junk3; + u_int8_t atap_olddmatiming; /* 52: old DMA timing mode (ATA) */ +#else + u_int8_t atap_oldpiotiming; /* 51: old PIO timing mode */ + u_int8_t __junk2; + u_int8_t atap_olddmatiming; /* 52: old DMA timing mode (ATA) */ + u_int8_t __junk3; +#endif + u_int16_t atap_extensions; /* 53: extentions supported */ +#define WDC_EXT_UDMA_MODES 0x0004 +#define WDC_EXT_MODES 0x0002 +#define WDC_EXT_GEOM 0x0001 +/* words 54-62 are ATA only */ + u_int16_t atap_curcylinders; /* 54: current logical cyliners */ + u_int16_t atap_curheads; /* 55: current logical heads */ + u_int16_t atap_cursectors; /* 56: current logical sectors/tracks */ + u_int16_t atap_curcapacity[2]; /* 57-58: current capacity */ + u_int16_t atap_curmulti; /* 59: current multi-sector setting */ +#define WDC_MULTI_VALID 0x0100 +#define WDC_MULTI_MASK 0x00ff + u_int16_t atap_capacity[2]; /* 60-61: total capacity (LBA only) */ + u_int16_t __retired4; +#if BYTE_ORDER == LITTLE_ENDIAN + u_int8_t atap_dmamode_supp; /* 63: multiword DMA mode supported */ + u_int8_t atap_dmamode_act; /* multiword DMA mode active */ + u_int8_t atap_piomode_supp; /* 64: PIO mode supported */ + u_int8_t __junk4; +#else + u_int8_t atap_dmamode_act; /* multiword DMA mode active */ + u_int8_t atap_dmamode_supp; /* 63: multiword DMA mode supported */ + u_int8_t __junk4; + u_int8_t atap_piomode_supp; /* 64: PIO mode supported */ +#endif + u_int16_t atap_dmatiming_mimi; /* 65: minimum DMA cycle time */ + u_int16_t atap_dmatiming_recom; /* 66: recomended DMA cycle time */ + u_int16_t atap_piotiming; /* 67: mini PIO cycle time without FC */ + u_int16_t atap_piotiming_iordy; /* 68: mini PIO cycle time with IORDY FC */ + u_int16_t __reserved3[2]; +/* words 71-72 are ATAPI only */ + u_int16_t atap_pkt_br; /* 71: time (ns) to bus release */ + u_int16_t atap_pkt_bsyclr; /* 72: tme to clear BSY after service */ + u_int16_t __reserved4[2]; + u_int16_t atap_queuedepth; /* 75: */ +#define WDC_QUEUE_DEPTH_MASK 0x0F + u_int16_t __reserved5[4]; + u_int16_t atap_ata_major; /* 80: Major version number */ +#define WDC_VER_ATA1 0x0002 +#define WDC_VER_ATA2 0x0004 +#define WDC_VER_ATA3 0x0008 +#define WDC_VER_ATA4 0x0010 +#define WDC_VER_ATA5 0x0020 + u_int16_t atap_ata_minor; /* 81: Minor version number */ + u_int16_t atap_cmd_set1; /* 82: command set suported */ +#define WDC_CMD1_NOP 0x4000 +#define WDC_CMD1_RB 0x2000 +#define WDC_CMD1_WB 0x1000 +#define WDC_CMD1_HPA 0x0400 +#define WDC_CMD1_DVRST 0x0200 +#define WDC_CMD1_SRV 0x0100 +#define WDC_CMD1_RLSE 0x0080 +#define WDC_CMD1_AHEAD 0x0040 +#define WDC_CMD1_CACHE 0x0020 +#define WDC_CMD1_PKT 0x0010 +#define WDC_CMD1_PM 0x0008 +#define WDC_CMD1_REMOV 0x0004 +#define WDC_CMD1_SEC 0x0002 +#define WDC_CMD1_SMART 0x0001 + u_int16_t atap_cmd_set2; /* 83: command set suported */ +#define WDC_CMD2_RMSN 0x0010 +#define WDC_CMD2_DM 0x0001 +#define ATA_CMD2_APM 0x0008 +#define ATA_CMD2_CFA 0x0004 +#define ATA_CMD2_RWQ 0x0002 + u_int16_t atap_cmd_ext; /* 84: command/features supp. ext. */ + u_int16_t atap_cmd1_en; /* 85: cmd/features enabled */ +/* bits are the same as atap_cmd_set1 */ + u_int16_t atap_cmd2_en; /* 86: cmd/features enabled */ +/* bits are the same as atap_cmd_set2 */ + u_int16_t atap_cmd_def; /* 87: cmd/features default */ +#if BYTE_ORDER == LITTLE_ENDIAN + u_int8_t atap_udmamode_supp; /* 88: Ultra-DMA mode supported */ + u_int8_t atap_udmamode_act; /* Ultra-DMA mode active */ +#else + u_int8_t atap_udmamode_act; /* Ultra-DMA mode active */ + u_int8_t atap_udmamode_supp; /* 88: Ultra-DMA mode supported */ +#endif +/* 89-92 are ATA-only */ + u_int16_t atap_seu_time; /* 89: Sec. Erase Unit compl. time */ + u_int16_t atap_eseu_time; /* 90: Enhanced SEU compl. time */ + u_int16_t atap_apm_val; /* 91: current APM value */ + u_int16_t __reserved6[35]; /* 92-126: reserved */ + u_int16_t atap_rmsn_supp; /* 127: remov. media status notif. */ +#define WDC_RMSN_SUPP_MASK 0x0003 +#define WDC_RMSN_SUPP 0x0001 + u_int16_t atap_sec_st; /* 128: security status */ +#define WDC_SEC_LEV_MAX 0x0100 +#define WDC_SEC_ESE_SUPP 0x0020 +#define WDC_SEC_EXP 0x0010 +#define WDC_SEC_FROZEN 0x0008 +#define WDC_SEC_LOCKED 0x0004 +#define WDC_SEC_EN 0x0002 +#define WDC_SEC_SUPP 0x0001 +}; |