/* $OpenBSD: atascsi.h,v 1.41 2010/05/05 11:33:26 dlg Exp $ */ /* * Copyright (c) 2007 David Gwynne * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ struct atascsi; struct scsi_link; /* * ATA commands */ #define ATA_C_READDMA_EXT 0x25 #define ATA_C_READ_LOG_EXT 0x2f #define ATA_C_WRITEDMA_EXT 0x35 #define ATA_C_READ_FPDMA 0x60 #define ATA_C_WRITE_FPDMA 0x61 #define ATA_C_PACKET 0xa0 #define ATA_C_IDENTIFY_PACKET 0xa1 #define ATA_C_READDMA 0xc8 #define ATA_C_WRITEDMA 0xca #define ATA_C_FLUSH_CACHE 0xe7 #define ATA_C_FLUSH_CACHE_EXT 0xea /* lba48 */ #define ATA_C_IDENTIFY 0xec #define ATA_C_SET_FEATURES 0xef #define ATA_C_SEC_FREEZE_LOCK 0xf5 /* * ATA SET FEATURES subcommands */ #define ATA_SF_WRITECACHE_EN 0x02 #define ATA_SF_LOOKAHEAD_EN 0xaa struct ata_identify { u_int16_t config; /* 0 */ u_int16_t ncyls; /* 1 */ u_int16_t reserved1; /* 2 */ u_int16_t nheads; /* 3 */ u_int16_t track_size; /* 4 */ u_int16_t sector_size; /* 5 */ u_int16_t nsectors; /* 6 */ u_int16_t reserved2[3]; /* 7 vendor unique */ u_int8_t serial[20]; /* 10 */ u_int16_t buffer_type; /* 20 */ u_int16_t buffer_size; /* 21 */ u_int16_t ecc; /* 22 */ u_int8_t firmware[8]; /* 23 */ u_int8_t model[40]; /* 27 */ u_int16_t multi; /* 47 */ u_int16_t dwcap; /* 48 */ u_int16_t cap; /* 49 */ u_int16_t reserved3; /* 50 */ u_int16_t piomode; /* 51 */ u_int16_t dmamode; /* 52 */ u_int16_t validinfo; /* 53 */ u_int16_t curcyls; /* 54 */ u_int16_t curheads; /* 55 */ u_int16_t cursectrk; /* 56 */ u_int16_t curseccp[2]; /* 57 */ u_int16_t mult2; /* 59 */ u_int16_t addrsec[2]; /* 60 */ u_int16_t worddma; /* 62 */ u_int16_t dworddma; /* 63 */ u_int16_t advpiomode; /* 64 */ u_int16_t minmwdma; /* 65 */ u_int16_t recmwdma; /* 66 */ u_int16_t minpio; /* 67 */ u_int16_t minpioflow; /* 68 */ u_int16_t add_support; /* 69 */ #define ATA_ID_ADD_SUPPORT_DRT 0x4000 u_int16_t reserved4; /* 70 */ u_int16_t typtime[2]; /* 71 */ u_int16_t reserved5[2]; /* 73 */ u_int16_t qdepth; /* 75 */ u_int16_t satacap; /* 76 */ u_int16_t reserved6; /* 77 */ u_int16_t satafsup; /* 78 */ u_int16_t satafen; /* 79 */ u_int16_t majver; /* 80 */ u_int16_t minver; /* 81 */ u_int16_t cmdset82; /* 82 */ u_int16_t cmdset83; /* 83 */ u_int16_t cmdset84; /* 84 */ u_int16_t features85; /* 85 */ u_int16_t features86; /* 86 */ u_int16_t features87; /* 87 */ #define ATA_ID_F87_WWN (1<<8) u_int16_t ultradma; /* 88 */ u_int16_t erasetime; /* 89 */ u_int16_t erasetimex; /* 90 */ u_int16_t apm; /* 91 */ u_int16_t masterpw; /* 92 */ u_int16_t hwreset; /* 93 */ u_int16_t acoustic; /* 94 */ u_int16_t stream_min; /* 95 */ u_int16_t stream_xfer_d; /* 96 */ u_int16_t stream_lat; /* 97 */ u_int16_t streamperf[2]; /* 98 */ u_int16_t addrsecxt[4]; /* 100 */ u_int16_t stream_xfer_p; /* 104 */ u_int16_t padding1; /* 105 */ u_int16_t p2l_sect; /* 106 */ #define ATA_ID_P2L_SECT_MASK 0xc000 #define ATA_ID_P2L_SECT_VALID 0x4000 #define ATA_ID_P2L_SECT_SET 0x2000 #define ATA_ID_P2L_SECT_SIZESET 0x1000 #define ATA_ID_P2L_SECT_SIZE 0x000f u_int16_t seek_delay; /* 107 */ u_int16_t naa_ieee_oui; /* 108 */ u_int16_t ieee_oui_uid; /* 109 */ u_int16_t uid_mid; /* 110 */ u_int16_t uid_low; /* 111 */ u_int16_t resv_wwn[4]; /* 112 */ u_int16_t incits; /* 116 */ u_int16_t words_lsec[2]; /* 117 */ u_int16_t cmdset119; /* 119 */ u_int16_t features120; /* 120 */ u_int16_t padding2[6]; u_int16_t rmsn; /* 127 */ u_int16_t securestatus; /* 128 */ u_int16_t vendor[31]; /* 129 */ u_int16_t padding3[8]; /* 160 */ u_int16_t form; /* 168 */ #define ATA_ID_FORM_MASK 0x000f u_int16_t data_set_mgmt; /* 169 */ #define ATA_ID_DATA_SET_MGMT_TRIM 0x0001 u_int16_t padding4[6]; /* 170 */ u_int16_t curmedser[30]; /* 176 */ u_int16_t sctsupport; /* 206 */ u_int16_t rpm; /* 207 */ u_int16_t padding5[1]; /* 208 */ u_int16_t logical_align; /* 209 */ #define ATA_ID_LALIGN_MASK 0xc000 #define ATA_ID_LALIGN_VALID 0x4000 #define ATA_ID_LALIGN 0x3fff u_int16_t padding6[45]; /* 210 */ u_int16_t integrity; /* 255 */ } __packed; /* * IDENTIFY DEVICE data */ #define ATA_IDENTIFY_WRITECACHE (1 << 5) #define ATA_IDENTIFY_LOOKAHEAD (1 << 6) /* * Frame Information Structures */ #define ATA_FIS_LENGTH 20 struct ata_fis_h2d { u_int8_t type; #define ATA_FIS_TYPE_H2D 0x27 u_int8_t flags; #define ATA_H2D_FLAGS_CMD (1<<7) u_int8_t command; u_int8_t features; #define ATA_H2D_FEATURES_DMA (1<<0) #define ATA_H2D_FEATURES_DIR (1<<2) #define ATA_H2D_FEATURES_DIR_READ (1<<2) #define ATA_H2D_FEATURES_DIR_WRITE (0<<2) u_int8_t lba_low; u_int8_t lba_mid; u_int8_t lba_high; u_int8_t device; #define ATA_H2D_DEVICE_LBA 0x40 u_int8_t lba_low_exp; u_int8_t lba_mid_exp; u_int8_t lba_high_exp; u_int8_t features_exp; u_int8_t sector_count; u_int8_t sector_count_exp; u_int8_t reserved0; u_int8_t control; u_int8_t reserved1; u_int8_t reserved2; u_int8_t reserved3; u_int8_t reserved4; } __packed; struct ata_fis_d2h { u_int8_t type; #define ATA_FIS_TYPE_D2H 0x34 u_int8_t flags; #define ATA_D2H_FLAGS_INTR (1<<6) u_int8_t status; u_int8_t error; u_int8_t lba_low; u_int8_t lba_mid; u_int8_t lba_high; u_int8_t device; u_int8_t lba_low_exp; u_int8_t lba_mid_exp; u_int8_t lba_high_exp; u_int8_t reserved0; u_int8_t sector_count; u_int8_t sector_count_exp; u_int8_t reserved1; u_int8_t reserved2; u_int8_t reserved3; u_int8_t reserved4; u_int8_t reserved5; u_int8_t reserved6; } __packed; /* * SATA log page 10h - * looks like a D2H FIS, with errored tag number in first byte. */ struct ata_log_page_10h { struct ata_fis_d2h err_regs; #define ATA_LOG_10H_TYPE_NOTQUEUED 0x80 #define ATA_LOG_10H_TYPE_TAG_MASK 0x1f u_int8_t reserved[256 - sizeof(struct ata_fis_d2h)]; u_int8_t vendor_specific[255]; u_int8_t checksum; } __packed; /* * SATA registers */ #define SATA_SStatus_DET 0x00f #define SATA_SStatus_DET_NODEV 0x000 #define SATA_SStatus_DET_NOPHY 0x001 #define SATA_SStatus_DET_DEV 0x003 #define SATA_SStatus_DET_OFFLINE 0x008 #define SATA_SStatus_SPD 0x0f0 #define SATA_SStatus_SPD_NONE 0x000 #define SATA_SStatus_SPD_1_5 0x010 #define SATA_SStatus_SPD_3_0 0x020 #define SATA_SStatus_IPM 0xf00 #define SATA_SStatus_IPM_NODEV 0x000 #define SATA_SStatus_IPM_ACTIVE 0x100 #define SATA_SStatus_IPM_PARTIAL 0x200 #define SATA_SStatus_IPM_SLUMBER 0x600 #define SATA_SIGNATURE_PORT_MULTIPLIER 0x96690101 #define SATA_SIGNATURE_ATAPI 0xeb140101 #define SATA_SIGNATURE_DISK 0x00000101 /* * ATA interface */ struct ata_xfer { struct ata_fis_h2d *fis; struct ata_fis_d2h rfis; u_int8_t *packetcmd; u_int8_t tag; void *data; size_t datalen; size_t resid; void (*complete)(struct ata_xfer *); struct timeout stimeout; u_int timeout; int flags; #define ATA_F_READ (1<<0) #define ATA_F_WRITE (1<<1) #define ATA_F_NOWAIT (1<<2) #define ATA_F_POLL (1<<3) #define ATA_F_PIO (1<<4) #define ATA_F_PACKET (1<<5) #define ATA_F_NCQ (1<<6) #define ATA_F_DONE (1<<7) #define ATA_FMT_FLAGS "\020" "\007DONE" "\007NCQ" \ "\006PACKET" "\005PIO" "\004POLL" \ "\003NOWAIT" "\002WRITE" "\001READ" volatile int state; #define ATA_S_SETUP 0 #define ATA_S_PENDING 1 #define ATA_S_COMPLETE 2 #define ATA_S_ERROR 3 #define ATA_S_TIMEOUT 4 #define ATA_S_ONCHIP 5 #define ATA_S_PUT 6 #define ATA_S_DONE 7 void *atascsi_private; void (*ata_put_xfer)(struct ata_xfer *); }; /* * atascsi */ struct atascsi_methods { int (*probe)(void *, int); void (*free)(void *, int); struct ata_xfer * (*ata_get_xfer)(void *, int ); void (*ata_cmd)(struct ata_xfer *); }; struct atascsi_attach_args { void *aaa_cookie; struct atascsi_methods *aaa_methods; void (*aaa_minphys)(struct buf *, struct scsi_link *); int aaa_nports; int aaa_ncmds; int aaa_capability; #define ASAA_CAP_NCQ (1 << 0) #define ASAA_CAP_NEEDS_RESERVED (1 << 1) }; #define ATA_PORT_T_NONE 0 #define ATA_PORT_T_DISK 1 #define ATA_PORT_T_ATAPI 2 struct atascsi *atascsi_attach(struct device *, struct atascsi_attach_args *); int atascsi_detach(struct atascsi *, int); int atascsi_probe_dev(struct atascsi *, int); int atascsi_detach_dev(struct atascsi *, int, int); void ata_complete(struct ata_xfer *);