5df3ca789c
This gives +10% performance on simple tests, so definitly worth it. A few percent more could be had by not using M_ZERO'd alloc's, but we then need to clear fields all over the place to be safe, and that was deemed not worth the trouble (and it makes life dangerous).
579 lines
21 KiB
C
579 lines
21 KiB
C
/*-
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* Copyright (c) 1998 - 2004 Søren Schmidt <sos@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/* ATA register defines */
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#define ATA_DATA 0x00 /* data register */
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#define ATA_ERROR 0x01 /* (R) error register */
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#define ATA_E_ILI 0x01 /* illegal length */
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#define ATA_E_NM 0x02 /* no media */
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#define ATA_E_ABORT 0x04 /* command aborted */
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#define ATA_E_MCR 0x08 /* media change request */
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#define ATA_E_IDNF 0x10 /* ID not found */
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#define ATA_E_MC 0x20 /* media changed */
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#define ATA_E_UNC 0x40 /* uncorrectable data */
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#define ATA_E_ICRC 0x80 /* UDMA crc error */
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#define ATA_E_MASK 0x0f /* error mask */
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#define ATA_SK_MASK 0xf0 /* sense key mask */
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#define ATA_SK_NO_SENSE 0x00 /* no specific sense key info */
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#define ATA_SK_RECOVERED_ERROR 0x10 /* command OK, data recovered */
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#define ATA_SK_NOT_READY 0x20 /* no access to drive */
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#define ATA_SK_MEDIUM_ERROR 0x30 /* non-recovered data error */
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#define ATA_SK_HARDWARE_ERROR 0x40 /* non-recoverable HW failure */
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#define ATA_SK_ILLEGAL_REQUEST 0x50 /* invalid command param(s) */
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#define ATA_SK_UNIT_ATTENTION 0x60 /* media changed */
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#define ATA_SK_DATA_PROTECT 0x70 /* write protect */
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#define ATA_SK_BLANK_CHECK 0x80 /* blank check */
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#define ATA_SK_VENDOR_SPECIFIC 0x90 /* vendor specific skey */
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#define ATA_SK_COPY_ABORTED 0xa0 /* copy aborted */
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#define ATA_SK_ABORTED_COMMAND 0xb0 /* command aborted, try again */
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#define ATA_SK_EQUAL 0xc0 /* equal */
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#define ATA_SK_VOLUME_OVERFLOW 0xd0 /* volume overflow */
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#define ATA_SK_MISCOMPARE 0xe0 /* data dont match the medium */
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#define ATA_SK_RESERVED 0xf0
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#define ATA_FEATURE 0x01 /* (W) feature register */
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#define ATA_F_DMA 0x01 /* enable DMA */
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#define ATA_F_OVL 0x02 /* enable overlap */
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#define ATA_COUNT 0x02 /* (W) sector count */
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#define ATA_IREASON 0x02 /* (R) interrupt reason */
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#define ATA_I_CMD 0x01 /* cmd (1) | data (0) */
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#define ATA_I_IN 0x02 /* read (1) | write (0) */
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#define ATA_I_RELEASE 0x04 /* released bus (1) */
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#define ATA_I_TAGMASK 0xf8 /* tag mask */
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#define ATA_SECTOR 0x03 /* sector # */
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#define ATA_CYL_LSB 0x04 /* cylinder# LSB */
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#define ATA_CYL_MSB 0x05 /* cylinder# MSB */
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#define ATA_DRIVE 0x06 /* Sector/Drive/Head register */
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#define ATA_D_LBA 0x40 /* use LBA addressing */
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#define ATA_D_IBM 0xa0 /* 512 byte sectors, ECC */
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#define ATA_CMD 0x07 /* command register */
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#define ATA_STATUS 0x07 /* status register */
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#define ATA_S_ERROR 0x01 /* error */
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#define ATA_S_INDEX 0x02 /* index */
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#define ATA_S_CORR 0x04 /* data corrected */
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#define ATA_S_DRQ 0x08 /* data request */
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#define ATA_S_DSC 0x10 /* drive seek completed */
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#define ATA_S_SERVICE 0x10 /* drive needs service */
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#define ATA_S_DWF 0x20 /* drive write fault */
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#define ATA_S_DMA 0x20 /* DMA ready */
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#define ATA_S_READY 0x40 /* drive ready */
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#define ATA_S_BUSY 0x80 /* busy */
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#define ATA_ALTSTAT 0x08 /* alternate status register */
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#define ATA_ALTOFFSET 0x206 /* alternate registers offset */
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#define ATA_PCCARD_ALTOFFSET 0x0e /* do for PCCARD devices */
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#define ATA_PC98_ALTOFFSET 0x10c /* do for PC98 devices */
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#define ATA_A_IDS 0x02 /* disable interrupts */
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#define ATA_A_RESET 0x04 /* RESET controller */
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#define ATA_A_4BIT 0x08 /* 4 head bits */
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/* ATAPI misc defines */
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#define ATAPI_MAGIC_LSB 0x14
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#define ATAPI_MAGIC_MSB 0xeb
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#define ATAPI_P_READ (ATA_S_DRQ | ATA_I_IN)
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#define ATAPI_P_WRITE (ATA_S_DRQ)
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#define ATAPI_P_CMDOUT (ATA_S_DRQ | ATA_I_CMD)
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#define ATAPI_P_DONEDRQ (ATA_S_DRQ | ATA_I_CMD | ATA_I_IN)
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#define ATAPI_P_DONE (ATA_I_CMD | ATA_I_IN)
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#define ATAPI_P_ABORT 0
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/* misc defines */
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#define ATA_PRIMARY 0x1f0
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#define ATA_SECONDARY 0x170
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#define ATA_PC98_BANK 0x432
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#define ATA_IOSIZE 0x08
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#define ATA_PC98_IOSIZE 0x10
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#define ATA_ALTIOSIZE 0x01
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#define ATA_BMIOSIZE 0x08
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#define ATA_PC98_BANKIOSIZE 0x01
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#define ATA_IOADDR_RID 0
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#define ATA_ALTADDR_RID 1
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#define ATA_BMADDR_RID 0x20
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#define ATA_PC98_ALTADDR_RID 8
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#define ATA_PC98_BANKADDR_RID 9
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#define ATA_IRQ_RID 0
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#define ATA_DEV(device) ((device == ATA_MASTER) ? 0 : 1)
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/* busmaster DMA related defines */
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#define ATA_DMA_ENTRIES 256
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#define ATA_DMA_EOT 0x80000000
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#define ATA_BMCMD_PORT 0x09
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#define ATA_BMCMD_START_STOP 0x01
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#define ATA_BMCMD_WRITE_READ 0x08
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#define ATA_BMCTL_PORT 0x09
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#define ATA_BMDEVSPEC_0 0x0a
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#define ATA_BMSTAT_PORT 0x0b
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#define ATA_BMSTAT_ACTIVE 0x01
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#define ATA_BMSTAT_ERROR 0x02
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#define ATA_BMSTAT_INTERRUPT 0x04
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#define ATA_BMSTAT_MASK 0x07
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#define ATA_BMSTAT_DMA_MASTER 0x20
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#define ATA_BMSTAT_DMA_SLAVE 0x40
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#define ATA_BMSTAT_DMA_SIMPLEX 0x80
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#define ATA_BMDEVSPEC_1 0x0c
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#define ATA_BMDTP_PORT 0x0d
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#define ATA_IDX_ADDR 0x0e
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#define ATA_IDX_DATA 0x0f
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#define ATA_MAX_RES 0x10
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#define ATA_INTR_FLAGS (INTR_MPSAFE|INTR_TYPE_BIO|INTR_ENTROPY)
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#define ATA_OP_CONTINUES 0
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#define ATA_OP_FINISHED 1
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struct ata_request {
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struct ata_device *device; /* ptr to device softc */
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void *driver; /* driver specific */
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union {
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struct {
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u_int8_t command; /* command reg */
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u_int8_t feature; /* feature reg */
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u_int64_t lba; /* lba reg */
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u_int16_t count; /* count reg */
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} ata;
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struct {
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u_int8_t ccb[16]; /* ATAPI command block */
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} atapi;
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} u;
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u_int8_t status; /* ATA status */
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u_int8_t error; /* ATA error */
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u_int8_t dmastat; /* DMA status */
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u_int32_t bytecount; /* bytes to transfer */
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u_int32_t transfersize; /* bytes pr transfer */
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u_int32_t donecount; /* bytes transferred */
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caddr_t data; /* pointer to data buf */
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int flags;
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#define ATA_R_CONTROL 0x0001
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#define ATA_R_READ 0x0002
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#define ATA_R_WRITE 0x0004
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#define ATA_R_DMA 0x0008
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#define ATA_R_ATAPI 0x0010
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#define ATA_R_QUIET 0x0020
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#define ATA_R_INTR_SEEN 0x0040
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#define ATA_R_TIMEOUT 0x0080
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#define ATA_R_ORDERED 0x0100
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#define ATA_R_AT_HEAD 0x0200
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#define ATA_R_REQUEUE 0x0400
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#define ATA_R_SKIPSTART 0x0800
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#define ATA_R_DEBUG 0x1000
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void (*callback)(struct ata_request *request);
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struct sema done; /* request done sema */
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int retries; /* retry count */
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int timeout; /* timeout for this cmd */
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struct callout_handle timeout_handle; /* handle for untimeout */
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int result; /* result error code */
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struct task task; /* task management */
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TAILQ_ENTRY(ata_request) sequence; /* sequence management */
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TAILQ_ENTRY(ata_request) chain; /* list management */
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};
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/* define this for debugging request processing */
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#if 0
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#define ATA_DEBUG_RQ(request, string) \
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{ \
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if (request->flags & ATA_R_DEBUG) \
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ata_prtdev(request->device, "req=%08x %s " string "\n", \
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(u_int)request, ata_cmd2str(request)); \
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}
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#else
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#define ATA_DEBUG_RQ(request, string)
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#endif
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/* structure describing an ATA/ATAPI device */
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struct ata_device {
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struct ata_channel *channel;
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int unit; /* unit number */
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#define ATA_MASTER 0x00
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#define ATA_SLAVE 0x10
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char *name; /* device name */
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struct ata_params *param; /* ata param structure */
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void *softc; /* ptr to softc for device */
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void (*attach)(struct ata_device *atadev);
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void (*detach)(struct ata_device *atadev);
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void (*config)(struct ata_device *atadev);
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void (*start)(struct ata_device *atadev);
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int flags;
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#define ATA_D_USE_CHS 0x0001
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#define ATA_D_DETACHING 0x0002
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#define ATA_D_MEDIA_CHANGED 0x0004
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#define ATA_D_ENC_PRESENT 0x0008
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int cmd; /* last cmd executed */
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int mode; /* transfermode */
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void (*setmode)(struct ata_device *atadev, int mode);
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};
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/* structure for holding DMA address data */
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struct ata_dmaentry {
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u_int32_t base;
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u_int32_t count;
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};
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/* structure holding DMA related information */
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struct ata_dma {
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bus_dma_tag_t dmatag; /* parent DMA tag */
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bus_dma_tag_t cdmatag; /* control DMA tag */
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bus_dmamap_t cdmamap; /* control DMA map */
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bus_dma_tag_t ddmatag; /* data DMA tag */
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bus_dmamap_t ddmamap; /* data DMA map */
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struct ata_dmaentry *dmatab; /* DMA transfer table */
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bus_addr_t mdmatab; /* bus address of dmatab */
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u_int32_t alignment; /* DMA engine alignment */
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u_int32_t boundary; /* DMA engine boundary */
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u_int32_t max_iosize; /* DMA engine max IO size */
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u_int32_t cur_iosize; /* DMA engine current IO size */
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int flags;
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#define ATA_DMA_ACTIVE 0x01 /* DMA transfer in progress */
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#define ATA_DMA_READ 0x02 /* transaction is a read */
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void (*alloc)(struct ata_channel *ch);
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void (*free)(struct ata_channel *ch);
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int (*load)(struct ata_device *atadev, caddr_t data, int32_t count,int dir);
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int (*unload)(struct ata_channel *ch);
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int (*start)(struct ata_channel *ch);
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int (*stop)(struct ata_channel *ch);
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};
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/* structure holding lowlevel functions */
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struct ata_lowlevel {
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void (*reset)(struct ata_channel *ch);
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int (*transaction)(struct ata_request *request);
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void (*interrupt)(void *channel);
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};
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/* structure holding resources for an ATA channel */
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struct ata_resource {
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struct resource *res;
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int offset;
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};
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/* structure describing an ATA channel */
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struct ata_channel {
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struct device *dev; /* device handle */
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int unit; /* channel number */
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struct ata_resource r_io[ATA_MAX_RES];/* I/O resources */
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struct resource *r_irq; /* interrupt of this channel */
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void *ih; /* interrupt handle */
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struct ata_lowlevel hw; /* lowlevel HW functions */
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struct ata_dma *dma; /* DMA data / functions */
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int flags; /* channel flags */
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#define ATA_NO_SLAVE 0x01
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#define ATA_USE_16BIT 0x02
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#define ATA_USE_PC98GEOM 0x04
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#define ATA_ATAPI_DMA_RO 0x08
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#define ATA_48BIT_ACTIVE 0x10
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#define ATA_IMMEDIATE_MODE 0x20
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struct ata_device device[2]; /* devices on this channel */
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#define MASTER 0x00
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#define SLAVE 0x01
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int devices; /* what is present */
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#define ATA_ATA_MASTER 0x01
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#define ATA_ATA_SLAVE 0x02
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#define ATA_ATAPI_MASTER 0x04
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#define ATA_ATAPI_SLAVE 0x08
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int state; /* ATA channel state control */
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#define ATA_IDLE 0x0000
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#define ATA_ACTIVE 0x0001
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#define ATA_CONTROL 0x0002
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void (*reset)(struct ata_channel *);
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void (*locking)(struct ata_channel *, int);
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#define ATA_LF_LOCK 0x0001
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#define ATA_LF_UNLOCK 0x0002
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struct mtx queue_mtx; /* queue lock */
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TAILQ_HEAD(, ata_request) ata_queue; /* head of ATA queue */
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void *running; /* currently running request */
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};
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/* ATAPI request sense structure */
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struct atapi_sense {
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u_int8_t error_code :7; /* current or deferred errors */
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u_int8_t valid :1; /* follows ATAPI spec */
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u_int8_t segment; /* Segment number */
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u_int8_t sense_key :4; /* sense key */
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u_int8_t reserved2_4 :1; /* reserved */
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u_int8_t ili :1; /* incorrect length indicator */
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u_int8_t eom :1; /* end of medium */
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u_int8_t filemark :1; /* filemark */
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u_int32_t cmd_info __packed; /* cmd information */
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u_int8_t sense_length; /* additional sense len (n-7) */
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u_int32_t cmd_specific_info __packed; /* additional cmd spec info */
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u_int8_t asc; /* additional sense code */
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u_int8_t ascq; /* additional sense code qual */
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u_int8_t replaceable_unit_code; /* replaceable unit code */
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u_int8_t sk_specific :7; /* sense key specific */
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u_int8_t sksv :1; /* sense key specific info OK */
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u_int8_t sk_specific1; /* sense key specific */
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u_int8_t sk_specific2; /* sense key specific */
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};
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/* disk bay/enclosure related */
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#define ATA_LED_OFF 0x00
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#define ATA_LED_RED 0x01
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#define ATA_LED_GREEN 0x02
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#define ATA_LED_ORANGE 0x03
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#define ATA_LED_MASK 0x03
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/* externs */
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extern devclass_t ata_devclass;
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extern int ata_wc;
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/* public prototypes */
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/* ata-all.c: */
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int ata_probe(device_t dev);
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int ata_attach(device_t dev);
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int ata_detach(device_t dev);
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int ata_suspend(device_t dev);
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int ata_resume(device_t dev);
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int ata_printf(struct ata_channel *ch, int device, const char *fmt, ...) __printflike(3, 4);
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int ata_prtdev(struct ata_device *atadev, const char *fmt, ...) __printflike(2, 3);
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void ata_set_name(struct ata_device *atadev, char *name, int lun);
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void ata_free_name(struct ata_device *atadev);
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int ata_get_lun(u_int32_t *map);
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int ata_test_lun(u_int32_t *map, int lun);
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void ata_free_lun(u_int32_t *map, int lun);
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char *ata_mode2str(int mode);
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int ata_pmode(struct ata_params *ap);
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int ata_wmode(struct ata_params *ap);
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int ata_umode(struct ata_params *ap);
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int ata_limit_mode(struct ata_device *atadev, int mode, int maxmode);
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/* ata-queue.c: */
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int ata_reinit(struct ata_channel *ch);
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void ata_start(struct ata_channel *ch);
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int ata_controlcmd(struct ata_device *atadev, u_int8_t command, u_int16_t feature, u_int64_t lba, u_int16_t count);
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int ata_atapicmd(struct ata_device *atadev, u_int8_t *ccb, caddr_t data, int count, int flags, int timeout);
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void ata_queue_request(struct ata_request *request);
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void ata_finish(struct ata_request *request);
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char *ata_cmd2str(struct ata_request *request);
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/* ata-lowlevel.c: */
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void ata_generic_hw(struct ata_channel *ch);
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/* subdrivers */
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void ad_attach(struct ata_device *atadev);
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void acd_attach(struct ata_device *atadev);
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void afd_attach(struct ata_device *atadev);
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void ast_attach(struct ata_device *atadev);
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void atapi_cam_attach_bus(struct ata_channel *ch);
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void atapi_cam_detach_bus(struct ata_channel *ch);
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void atapi_cam_reinit_bus(struct ata_channel *ch);
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/* macros for alloc/free of ata_requests */
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extern uma_zone_t ata_zone;
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#define ata_alloc_request() uma_zalloc(ata_zone, M_NOWAIT | M_ZERO)
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#define ata_free_request(request) uma_zfree(ata_zone, request)
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/* macros for locking a channel */
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#define ATA_LOCK_CH(ch, value) \
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atomic_cmpset_acq_int(&(ch)->state, ATA_IDLE, (value))
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#define ATA_SLEEPLOCK_CH(ch, value) \
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while (!atomic_cmpset_acq_int(&(ch)->state, ATA_IDLE, (value))) \
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tsleep((caddr_t)&(ch), PRIBIO, "atalck", 1);
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#define ATA_FORCELOCK_CH(ch, value) atomic_store_rel_int(&(ch)->state, (value))
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#define ATA_UNLOCK_CH(ch) atomic_store_rel_int(&(ch)->state, ATA_IDLE)
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/* macros to hide busspace uglyness */
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#define ATA_INB(res, offset) \
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bus_space_read_1(rman_get_bustag((res)), \
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rman_get_bushandle((res)), (offset))
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#define ATA_INW(res, offset) \
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bus_space_read_2(rman_get_bustag((res)), \
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rman_get_bushandle((res)), (offset))
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#define ATA_INL(res, offset) \
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bus_space_read_4(rman_get_bustag((res)), \
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rman_get_bushandle((res)), (offset))
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#define ATA_INSW(res, offset, addr, count) \
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bus_space_read_multi_2(rman_get_bustag((res)), \
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rman_get_bushandle((res)), \
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(offset), (addr), (count))
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#define ATA_INSW_STRM(res, offset, addr, count) \
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bus_space_read_multi_stream_2(rman_get_bustag((res)), \
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rman_get_bushandle((res)), \
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(offset), (addr), (count))
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#define ATA_INSL(res, offset, addr, count) \
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bus_space_read_multi_4(rman_get_bustag((res)), \
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rman_get_bushandle((res)), \
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(offset), (addr), (count))
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#define ATA_INSL_STRM(res, offset, addr, count) \
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bus_space_read_multi_stream_4(rman_get_bustag((res)), \
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rman_get_bushandle((res)), \
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(offset), (addr), (count))
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#define ATA_OUTB(res, offset, value) \
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bus_space_write_1(rman_get_bustag((res)), \
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rman_get_bushandle((res)), (offset), (value))
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#define ATA_OUTW(res, offset, value) \
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bus_space_write_2(rman_get_bustag((res)), \
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rman_get_bushandle((res)), (offset), (value))
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#define ATA_OUTL(res, offset, value) \
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bus_space_write_4(rman_get_bustag((res)), \
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rman_get_bushandle((res)), (offset), (value))
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#define ATA_OUTSW(res, offset, addr, count) \
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bus_space_write_multi_2(rman_get_bustag((res)), \
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rman_get_bushandle((res)), \
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(offset), (addr), (count))
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#define ATA_OUTSW_STRM(res, offset, addr, count) \
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bus_space_write_multi_stream_2(rman_get_bustag((res)), \
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rman_get_bushandle((res)), \
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(offset), (addr), (count))
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#define ATA_OUTSL(res, offset, addr, count) \
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bus_space_write_multi_4(rman_get_bustag((res)), \
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rman_get_bushandle((res)), \
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(offset), (addr), (count))
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#define ATA_OUTSL_STRM(res, offset, addr, count) \
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bus_space_write_multi_stream_4(rman_get_bustag((res)), \
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rman_get_bushandle((res)), \
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(offset), (addr), (count))
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#define ATA_IDX_SET(ch, idx) \
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ATA_OUTB(ch->r_io[ATA_IDX_ADDR].res, ch->r_io[ATA_IDX_ADDR].offset, \
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ch->r_io[idx].offset)
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#define ATA_IDX_INB(ch, idx) \
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((ch->r_io[idx].res) \
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? ATA_INB(ch->r_io[idx].res, ch->r_io[idx].offset) \
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: (ATA_IDX_SET(ch, idx), \
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ATA_INB(ch->r_io[ATA_IDX_DATA].res, ch->r_io[ATA_IDX_DATA].offset)))
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#define ATA_IDX_INW(ch, idx) \
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((ch->r_io[idx].res) \
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? ATA_INW(ch->r_io[idx].res, ch->r_io[idx].offset) \
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: (ATA_IDX_SET(ch, idx), \
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ATA_INW(ch->r_io[ATA_IDX_DATA].res, ch->r_io[ATA_IDX_DATA].offset)))
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#define ATA_IDX_INL(ch, idx) \
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((ch->r_io[idx].res) \
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? ATA_INL(ch->r_io[idx].res, ch->r_io[idx].offset) \
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: (ATA_IDX_SET(ch, idx), \
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ATA_INL(ch->r_io[ATA_IDX_DATA].res, ch->r_io[ATA_IDX_DATA].offset)))
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#define ATA_IDX_INSW(ch, idx, addr, count) \
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((ch->r_io[idx].res) \
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? ATA_INSW(ch->r_io[idx].res, ch->r_io[idx].offset, addr, count) \
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: (ATA_IDX_SET(ch, idx), \
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ATA_INSW(ch->r_io[ATA_IDX_DATA].res, \
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ch->r_io[ATA_IDX_DATA].offset, addr, count)))
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#define ATA_IDX_INSW_STRM(ch, idx, addr, count) \
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((ch->r_io[idx].res) \
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? ATA_INSW_STRM(ch->r_io[idx].res, ch->r_io[idx].offset, addr, count) \
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: (ATA_IDX_SET(ch, idx), \
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ATA_INSW_STRM(ch->r_io[ATA_IDX_DATA].res, \
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ch->r_io[ATA_IDX_DATA].offset, addr, count)))
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#define ATA_IDX_INSL(ch, idx, addr, count) \
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((ch->r_io[idx].res) \
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? ATA_INSL(ch->r_io[idx].res, ch->r_io[idx].offset, addr, count) \
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: (ATA_IDX_SET(ch, idx), \
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ATA_INSL(ch->r_io[ATA_IDX_DATA].res, \
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ch->r_io[ATA_IDX_DATA].offset, addr, count)))
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#define ATA_IDX_INSL_STRM(ch, idx, addr, count) \
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((ch->r_io[idx].res) \
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? ATA_INSL_STRM(ch->r_io[idx].res, ch->r_io[idx].offset, addr, count) \
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: (ATA_IDX_SET(ch, idx), \
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ATA_INSL_STRM(ch->r_io[ATA_IDX_DATA].res, \
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ch->r_io[ATA_IDX_DATA].offset, addr, count)))
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#define ATA_IDX_OUTB(ch, idx, value) \
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((ch->r_io[idx].res) \
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? ATA_OUTB(ch->r_io[idx].res, ch->r_io[idx].offset, value) \
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: (ATA_IDX_SET(ch, idx), \
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ATA_OUTB(ch->r_io[ATA_IDX_DATA].res, \
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ch->r_io[ATA_IDX_DATA].offset, value)))
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#define ATA_IDX_OUTW(ch, idx, value) \
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((ch->r_io[idx].res) \
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? ATA_OUTW(ch->r_io[idx].res, ch->r_io[idx].offset, value) \
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: (ATA_IDX_SET(ch, idx), \
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ATA_OUTW(ch->r_io[ATA_IDX_DATA].res, \
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ch->r_io[ATA_IDX_DATA].offset, value)))
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#define ATA_IDX_OUTL(ch, idx, value) \
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((ch->r_io[idx].res) \
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? ATA_OUTL(ch->r_io[idx].res, ch->r_io[idx].offset, value) \
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: (ATA_IDX_SET(ch, idx), \
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ATA_OUTL(ch->r_io[ATA_IDX_DATA].res, \
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ch->r_io[ATA_IDX_DATA].offset, value)))
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#define ATA_IDX_OUTSW(ch, idx, addr, count) \
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((ch->r_io[idx].res) \
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? ATA_OUTSW(ch->r_io[idx].res, ch->r_io[idx].offset, addr, count) \
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: (ATA_IDX_SET(ch, idx), \
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ATA_OUTSW(ch->r_io[ATA_IDX_DATA].res, \
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ch->r_io[ATA_IDX_DATA].offset, addr, count)))
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#define ATA_IDX_OUTSW_STRM(ch, idx, addr, count) \
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((ch->r_io[idx].res) \
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? ATA_OUTSW_STRM(ch->r_io[idx].res, ch->r_io[idx].offset, addr, count) \
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: (ATA_IDX_SET(ch, idx), \
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ATA_OUTSW_STRM(ch->r_io[ATA_IDX_DATA].res, \
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ch->r_io[ATA_IDX_DATA].offset, addr, count)))
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#define ATA_IDX_OUTSL(ch, idx, addr, count) \
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((ch->r_io[idx].res) \
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? ATA_OUTSL(ch->r_io[idx].res, ch->r_io[idx].offset, addr, count) \
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: (ATA_IDX_SET(ch, idx), \
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ATA_OUTSL(ch->r_io[ATA_IDX_DATA].res, \
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ch->r_io[ATA_IDX_DATA].offset, addr, count)))
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#define ATA_IDX_OUTSL_STRM(ch, idx, addr, count) \
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((ch->r_io[idx].res) \
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? ATA_OUTSL_STRM(ch->r_io[idx].res, ch->r_io[idx].offset, addr, count) \
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: (ATA_IDX_SET(ch, idx), \
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ATA_OUTSL_STRM(ch->r_io[ATA_IDX_DATA].res, \
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ch->r_io[ATA_IDX_DATA].offset, addr, count)))
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