/* $OpenBSD: atascsi.h,v 1.21 2007/04/02 05:14:52 pascoe 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; /* * ATA commands */ #define ATA_C_IDENTIFY 0xec #define ATA_C_FLUSH_CACHE 0xe7 #define ATA_C_FLUSH_CACHE_EXT 0xea /* lba48 */ #define ATA_C_READDMA 0xc8 #define ATA_C_WRITEDMA 0xca #define ATA_C_READDMA_EXT 0x25 #define ATA_C_WRITEDMA_EXT 0x35 #define ATA_C_PACKET 0xa0 #define ATA_C_READ_FPDMA 0x60 #define ATA_C_WRITE_FPDMA 0x61 #define ATA_C_READ_LOG_EXT 0x2f 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 reserved4[2]; /* 69 */ 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 */ 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 phys_sect_sz; /* 106 */ 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[16]; /* 160 */ u_int16_t curmedser[30]; /* 176 */ u_int16_t sctsupport; /* 206 */ u_int16_t padding4[48]; /* 207 */ u_int16_t integrity; /* 255 */ } __packed; /* * 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; /* * ATA interface */ struct ata_port { struct atascsi *ap_as; int ap_port; int ap_type; #define ATA_PORT_T_NONE 0 #define ATA_PORT_T_DISK 1 #define ATA_PORT_T_ATAPI 2 int ap_features; #define ATA_PORT_F_PROBED (1 << 0) int ap_ncqdepth; }; struct ata_xfer { struct ata_fis_h2d *fis; struct ata_fis_d2h rfis; u_int8_t *packetcmd; u_int8_t tag; u_int8_t *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) 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 void *atascsi_private; void (*ata_put_xfer)(struct ata_xfer *); }; #define ATA_QUEUED 0 #define ATA_COMPLETE 1 #define ATA_ERROR 2 /* * atascsi */ struct atascsi_methods { int (*probe)(void *, int); struct ata_xfer * (*ata_get_xfer)(void *, int ); int (*ata_cmd)(struct ata_xfer *); }; struct atascsi_attach_args { void *aaa_cookie; struct atascsi_methods *aaa_methods; void (*aaa_minphys)(struct buf *); int aaa_nports; int aaa_ncmds; int aaa_capability; #define ASAA_CAP_NCQ (1 << 0) #define ASAA_CAP_NEEDS_RESERVED (1 << 1) }; struct atascsi *atascsi_attach(struct device *, struct atascsi_attach_args *); int atascsi_detach(struct atascsi *); int atascsi_probe_dev(struct atascsi *, int); int atascsi_detach_dev(struct atascsi *, int);