mirror of
https://github.com/freebsd/freebsd-src
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323 lines
11 KiB
C
323 lines
11 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
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* Copyright (c) 2009-2012 Alexander Motin <mav@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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*
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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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#ifndef _AHCI_H_
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#define _AHCI_H_
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/* ATA register defines */
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#define ATA_DATA 0 /* (RW) data */
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#define ATA_FEATURE 1 /* (W) feature */
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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 2 /* (W) sector count */
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#define ATA_SECTOR 3 /* (RW) sector # */
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#define ATA_CYL_LSB 4 /* (RW) cylinder# LSB */
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#define ATA_CYL_MSB 5 /* (RW) cylinder# MSB */
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#define ATA_DRIVE 6 /* (W) Sector/Drive/Head */
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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_COMMAND 7 /* (W) command */
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#define ATA_ERROR 8 /* (R) error */
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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_ATAPI_SENSE_MASK 0xf0 /* ATAPI sense key mask */
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#define ATA_IREASON 9 /* (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_STATUS 10 /* (R) status */
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#define ATA_ALTSTAT 11 /* (R) alternate status */
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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_CONTROL 12 /* (W) control */
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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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#define ATA_A_HOB 0x80 /* High Order Byte enable */
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/* SATA register defines */
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#define ATA_SSTATUS 13
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#define ATA_SS_DET_MASK 0x0000000f
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#define ATA_SS_DET_NO_DEVICE 0x00000000
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#define ATA_SS_DET_DEV_PRESENT 0x00000001
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#define ATA_SS_DET_PHY_ONLINE 0x00000003
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#define ATA_SS_DET_PHY_OFFLINE 0x00000004
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#define ATA_SS_SPD_MASK 0x000000f0
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#define ATA_SS_SPD_NO_SPEED 0x00000000
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#define ATA_SS_SPD_GEN1 0x00000010
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#define ATA_SS_SPD_GEN2 0x00000020
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#define ATA_SS_SPD_GEN3 0x00000030
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#define ATA_SS_IPM_MASK 0x00000f00
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#define ATA_SS_IPM_NO_DEVICE 0x00000000
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#define ATA_SS_IPM_ACTIVE 0x00000100
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#define ATA_SS_IPM_PARTIAL 0x00000200
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#define ATA_SS_IPM_SLUMBER 0x00000600
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#define ATA_SS_IPM_DEVSLEEP 0x00000800
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#define ATA_SERROR 14
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#define ATA_SE_DATA_CORRECTED 0x00000001
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#define ATA_SE_COMM_CORRECTED 0x00000002
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#define ATA_SE_DATA_ERR 0x00000100
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#define ATA_SE_COMM_ERR 0x00000200
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#define ATA_SE_PROT_ERR 0x00000400
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#define ATA_SE_HOST_ERR 0x00000800
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#define ATA_SE_PHY_CHANGED 0x00010000
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#define ATA_SE_PHY_IERROR 0x00020000
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#define ATA_SE_COMM_WAKE 0x00040000
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#define ATA_SE_DECODE_ERR 0x00080000
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#define ATA_SE_PARITY_ERR 0x00100000
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#define ATA_SE_CRC_ERR 0x00200000
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#define ATA_SE_HANDSHAKE_ERR 0x00400000
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#define ATA_SE_LINKSEQ_ERR 0x00800000
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#define ATA_SE_TRANSPORT_ERR 0x01000000
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#define ATA_SE_UNKNOWN_FIS 0x02000000
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#define ATA_SE_EXCHANGED 0x04000000
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#define ATA_SCONTROL 15
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#define ATA_SC_DET_MASK 0x0000000f
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#define ATA_SC_DET_IDLE 0x00000000
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#define ATA_SC_DET_RESET 0x00000001
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#define ATA_SC_DET_DISABLE 0x00000004
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#define ATA_SC_SPD_MASK 0x000000f0
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#define ATA_SC_SPD_NO_SPEED 0x00000000
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#define ATA_SC_SPD_SPEED_GEN1 0x00000010
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#define ATA_SC_SPD_SPEED_GEN2 0x00000020
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#define ATA_SC_SPD_SPEED_GEN3 0x00000030
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#define ATA_SC_IPM_MASK 0x00000f00
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#define ATA_SC_IPM_NONE 0x00000000
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#define ATA_SC_IPM_DIS_PARTIAL 0x00000100
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#define ATA_SC_IPM_DIS_SLUMBER 0x00000200
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#define ATA_SC_IPM_DIS_DEVSLEEP 0x00000400
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#define ATA_SACTIVE 16
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#define AHCI_MAX_PORTS 32
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#define AHCI_MAX_SLOTS 32
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#define AHCI_MAX_IRQS 16
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/* SATA AHCI v1.0 register defines */
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#define AHCI_CAP 0x00
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#define AHCI_CAP_NPMASK 0x0000001f
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#define AHCI_CAP_SXS 0x00000020
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#define AHCI_CAP_EMS 0x00000040
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#define AHCI_CAP_CCCS 0x00000080
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#define AHCI_CAP_NCS 0x00001F00
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#define AHCI_CAP_NCS_SHIFT 8
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#define AHCI_CAP_PSC 0x00002000
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#define AHCI_CAP_SSC 0x00004000
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#define AHCI_CAP_PMD 0x00008000
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#define AHCI_CAP_FBSS 0x00010000
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#define AHCI_CAP_SPM 0x00020000
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#define AHCI_CAP_SAM 0x00080000
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#define AHCI_CAP_ISS 0x00F00000
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#define AHCI_CAP_ISS_SHIFT 20
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#define AHCI_CAP_SCLO 0x01000000
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#define AHCI_CAP_SAL 0x02000000
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#define AHCI_CAP_SALP 0x04000000
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#define AHCI_CAP_SSS 0x08000000
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#define AHCI_CAP_SMPS 0x10000000
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#define AHCI_CAP_SSNTF 0x20000000
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#define AHCI_CAP_SNCQ 0x40000000
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#define AHCI_CAP_64BIT 0x80000000
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#define AHCI_GHC 0x04
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#define AHCI_GHC_AE 0x80000000
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#define AHCI_GHC_MRSM 0x00000004
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#define AHCI_GHC_IE 0x00000002
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#define AHCI_GHC_HR 0x00000001
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#define AHCI_IS 0x08
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#define AHCI_PI 0x0c
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#define AHCI_VS 0x10
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#define AHCI_CCCC 0x14
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#define AHCI_CCCC_TV_MASK 0xffff0000
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#define AHCI_CCCC_TV_SHIFT 16
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#define AHCI_CCCC_CC_MASK 0x0000ff00
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#define AHCI_CCCC_CC_SHIFT 8
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#define AHCI_CCCC_INT_MASK 0x000000f8
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#define AHCI_CCCC_INT_SHIFT 3
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#define AHCI_CCCC_EN 0x00000001
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#define AHCI_CCCP 0x18
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#define AHCI_EM_LOC 0x1C
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#define AHCI_EM_CTL 0x20
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#define AHCI_EM_MR 0x00000001
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#define AHCI_EM_TM 0x00000100
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#define AHCI_EM_RST 0x00000200
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#define AHCI_EM_LED 0x00010000
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#define AHCI_EM_SAFTE 0x00020000
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#define AHCI_EM_SES2 0x00040000
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#define AHCI_EM_SGPIO 0x00080000
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#define AHCI_EM_SMB 0x01000000
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#define AHCI_EM_XMT 0x02000000
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#define AHCI_EM_ALHD 0x04000000
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#define AHCI_EM_PM 0x08000000
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#define AHCI_CAP2 0x24
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#define AHCI_CAP2_BOH 0x00000001
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#define AHCI_CAP2_NVMP 0x00000002
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#define AHCI_CAP2_APST 0x00000004
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#define AHCI_CAP2_SDS 0x00000008
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#define AHCI_CAP2_SADM 0x00000010
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#define AHCI_CAP2_DESO 0x00000020
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#define AHCI_OFFSET 0x100
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#define AHCI_STEP 0x80
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#define AHCI_P_CLB 0x00
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#define AHCI_P_CLBU 0x04
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#define AHCI_P_FB 0x08
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#define AHCI_P_FBU 0x0c
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#define AHCI_P_IS 0x10
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#define AHCI_P_IE 0x14
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#define AHCI_P_IX_DHR 0x00000001
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#define AHCI_P_IX_PS 0x00000002
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#define AHCI_P_IX_DS 0x00000004
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#define AHCI_P_IX_SDB 0x00000008
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#define AHCI_P_IX_UF 0x00000010
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#define AHCI_P_IX_DP 0x00000020
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#define AHCI_P_IX_PC 0x00000040
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#define AHCI_P_IX_MP 0x00000080
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#define AHCI_P_IX_PRC 0x00400000
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#define AHCI_P_IX_IPM 0x00800000
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#define AHCI_P_IX_OF 0x01000000
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#define AHCI_P_IX_INF 0x04000000
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#define AHCI_P_IX_IF 0x08000000
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#define AHCI_P_IX_HBD 0x10000000
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#define AHCI_P_IX_HBF 0x20000000
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#define AHCI_P_IX_TFE 0x40000000
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#define AHCI_P_IX_CPD 0x80000000
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#define AHCI_P_CMD 0x18
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#define AHCI_P_CMD_ST 0x00000001
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#define AHCI_P_CMD_SUD 0x00000002
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#define AHCI_P_CMD_POD 0x00000004
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#define AHCI_P_CMD_CLO 0x00000008
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#define AHCI_P_CMD_FRE 0x00000010
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#define AHCI_P_CMD_CCS_MASK 0x00001f00
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#define AHCI_P_CMD_CCS_SHIFT 8
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#define AHCI_P_CMD_ISS 0x00002000
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#define AHCI_P_CMD_FR 0x00004000
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#define AHCI_P_CMD_CR 0x00008000
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#define AHCI_P_CMD_CPS 0x00010000
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#define AHCI_P_CMD_PMA 0x00020000
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#define AHCI_P_CMD_HPCP 0x00040000
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#define AHCI_P_CMD_MPSP 0x00080000
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#define AHCI_P_CMD_CPD 0x00100000
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#define AHCI_P_CMD_ESP 0x00200000
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#define AHCI_P_CMD_FBSCP 0x00400000
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#define AHCI_P_CMD_APSTE 0x00800000
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#define AHCI_P_CMD_ATAPI 0x01000000
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#define AHCI_P_CMD_DLAE 0x02000000
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#define AHCI_P_CMD_ALPE 0x04000000
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#define AHCI_P_CMD_ASP 0x08000000
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#define AHCI_P_CMD_ICC_MASK 0xf0000000
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#define AHCI_P_CMD_NOOP 0x00000000
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#define AHCI_P_CMD_ACTIVE 0x10000000
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#define AHCI_P_CMD_PARTIAL 0x20000000
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#define AHCI_P_CMD_SLUMBER 0x60000000
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#define AHCI_P_CMD_DEVSLEEP 0x80000000
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#define AHCI_P_TFD 0x20
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#define AHCI_P_SIG 0x24
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#define AHCI_P_SSTS 0x28
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#define AHCI_P_SCTL 0x2c
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#define AHCI_P_SERR 0x30
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#define AHCI_P_SACT 0x34
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#define AHCI_P_CI 0x38
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#define AHCI_P_SNTF 0x3C
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#define AHCI_P_FBS 0x40
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#define AHCI_P_FBS_EN 0x00000001
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#define AHCI_P_FBS_DEC 0x00000002
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#define AHCI_P_FBS_SDE 0x00000004
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#define AHCI_P_FBS_DEV 0x00000f00
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#define AHCI_P_FBS_DEV_SHIFT 8
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#define AHCI_P_FBS_ADO 0x0000f000
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#define AHCI_P_FBS_ADO_SHIFT 12
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#define AHCI_P_FBS_DWE 0x000f0000
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#define AHCI_P_FBS_DWE_SHIFT 16
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#define AHCI_P_DEVSLP 0x44
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#define AHCI_P_DEVSLP_ADSE 0x00000001
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#define AHCI_P_DEVSLP_DSP 0x00000002
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#define AHCI_P_DEVSLP_DETO 0x000003fc
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#define AHCI_P_DEVSLP_DETO_SHIFT 2
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#define AHCI_P_DEVSLP_MDAT 0x00007c00
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#define AHCI_P_DEVSLP_MDAT_SHIFT 10
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#define AHCI_P_DEVSLP_DITO 0x01ff8000
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#define AHCI_P_DEVSLP_DITO_SHIFT 15
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#define AHCI_P_DEVSLP_DM 0x0e000000
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#define AHCI_P_DEVSLP_DM_SHIFT 25
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/* Just to be sure, if building as module. */
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#if MAXPHYS < 512 * 1024
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#undef MAXPHYS
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#define MAXPHYS 512 * 1024
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#endif
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/* Pessimistic prognosis on number of required S/G entries */
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#define AHCI_SG_ENTRIES (roundup(btoc(MAXPHYS) + 1, 8))
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/* Command list. 32 commands. First, 1Kbyte aligned. */
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#define AHCI_CL_OFFSET 0
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#define AHCI_CL_SIZE 32
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/* Command tables. Up to 32 commands, Each, 128byte aligned. */
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#define AHCI_CT_OFFSET (AHCI_CL_OFFSET + AHCI_CL_SIZE * AHCI_MAX_SLOTS)
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#define AHCI_CT_SIZE (128 + AHCI_SG_ENTRIES * 16)
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/* Total main work area. */
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#define AHCI_WORK_SIZE (AHCI_CT_OFFSET + AHCI_CT_SIZE * ch->numslots)
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#endif /* _AHCI_H_ */
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