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/*
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* QEMU IDE disk and CD-ROM Emulator
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "vl.h" |
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/* debug IDE devices */
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//#define DEBUG_IDE
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//#define DEBUG_IDE_ATAPI
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//#define DEBUG_AIO
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#define USE_DMA_CDROM
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/* Bits of HD_STATUS */
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#define ERR_STAT 0x01 |
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#define INDEX_STAT 0x02 |
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#define ECC_STAT 0x04 /* Corrected error */ |
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#define DRQ_STAT 0x08 |
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#define SEEK_STAT 0x10 |
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#define SRV_STAT 0x10 |
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#define WRERR_STAT 0x20 |
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#define READY_STAT 0x40 |
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#define BUSY_STAT 0x80 |
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|
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/* Bits for HD_ERROR */
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#define MARK_ERR 0x01 /* Bad address mark */ |
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#define TRK0_ERR 0x02 /* couldn't find track 0 */ |
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#define ABRT_ERR 0x04 /* Command aborted */ |
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#define MCR_ERR 0x08 /* media change request */ |
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#define ID_ERR 0x10 /* ID field not found */ |
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#define MC_ERR 0x20 /* media changed */ |
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#define ECC_ERR 0x40 /* Uncorrectable ECC error */ |
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#define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */ |
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#define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */ |
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/* Bits of HD_NSECTOR */
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#define CD 0x01 |
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#define IO 0x02 |
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#define REL 0x04 |
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#define TAG_MASK 0xf8 |
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#define IDE_CMD_RESET 0x04 |
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#define IDE_CMD_DISABLE_IRQ 0x02 |
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|
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/* ATA/ATAPI Commands pre T13 Spec */
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#define WIN_NOP 0x00 |
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/*
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* 0x01->0x02 Reserved
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*/
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#define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */ |
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/*
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* 0x04->0x07 Reserved
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*/
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#define WIN_SRST 0x08 /* ATAPI soft reset command */ |
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#define WIN_DEVICE_RESET 0x08 |
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/*
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* 0x09->0x0F Reserved
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*/
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#define WIN_RECAL 0x10 |
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#define WIN_RESTORE WIN_RECAL
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/*
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* 0x10->0x1F Reserved
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*/
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#define WIN_READ 0x20 /* 28-Bit */ |
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#define WIN_READ_ONCE 0x21 /* 28-Bit without retries */ |
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#define WIN_READ_LONG 0x22 /* 28-Bit */ |
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#define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */ |
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#define WIN_READ_EXT 0x24 /* 48-Bit */ |
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#define WIN_READDMA_EXT 0x25 /* 48-Bit */ |
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#define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */ |
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#define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */ |
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/*
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* 0x28
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*/
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#define WIN_MULTREAD_EXT 0x29 /* 48-Bit */ |
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/*
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* 0x2A->0x2F Reserved
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*/
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#define WIN_WRITE 0x30 /* 28-Bit */ |
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#define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */ |
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#define WIN_WRITE_LONG 0x32 /* 28-Bit */ |
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#define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */ |
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#define WIN_WRITE_EXT 0x34 /* 48-Bit */ |
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#define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */ |
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#define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */ |
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#define WIN_SET_MAX_EXT 0x37 /* 48-Bit */ |
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#define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */ |
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#define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */ |
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/*
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* 0x3A->0x3B Reserved
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*/
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#define WIN_WRITE_VERIFY 0x3C /* 28-Bit */ |
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/*
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* 0x3D->0x3F Reserved
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*/
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#define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */ |
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#define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */ |
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#define WIN_VERIFY_EXT 0x42 /* 48-Bit */ |
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/*
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* 0x43->0x4F Reserved
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*/
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#define WIN_FORMAT 0x50 |
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/*
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* 0x51->0x5F Reserved
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*/
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#define WIN_INIT 0x60 |
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/*
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* 0x61->0x5F Reserved
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*/
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#define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */ |
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#define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */ |
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#define WIN_DIAGNOSE 0x90 |
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#define WIN_SPECIFY 0x91 /* set drive geometry translation */ |
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#define WIN_DOWNLOAD_MICROCODE 0x92 |
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#define WIN_STANDBYNOW2 0x94 |
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#define WIN_STANDBY2 0x96 |
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#define WIN_SETIDLE2 0x97 |
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#define WIN_CHECKPOWERMODE2 0x98 |
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#define WIN_SLEEPNOW2 0x99 |
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/*
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* 0x9A VENDOR
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*/
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#define WIN_PACKETCMD 0xA0 /* Send a packet command. */ |
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#define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */ |
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#define WIN_QUEUED_SERVICE 0xA2 |
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#define WIN_SMART 0xB0 /* self-monitoring and reporting */ |
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#define CFA_ERASE_SECTORS 0xC0 |
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#define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/ |
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#define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */ |
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#define WIN_SETMULT 0xC6 /* enable/disable multiple mode */ |
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#define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */ |
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#define WIN_READDMA 0xC8 /* read sectors using DMA transfers */ |
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#define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */ |
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#define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */ |
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#define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */ |
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#define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */ |
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#define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */ |
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#define WIN_GETMEDIASTATUS 0xDA |
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#define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */ |
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#define WIN_POSTBOOT 0xDC |
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#define WIN_PREBOOT 0xDD |
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#define WIN_DOORLOCK 0xDE /* lock door on removable drives */ |
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#define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */ |
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#define WIN_STANDBYNOW1 0xE0 |
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#define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */ |
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#define WIN_STANDBY 0xE2 /* Set device in Standby Mode */ |
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#define WIN_SETIDLE1 0xE3 |
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#define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */ |
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#define WIN_CHECKPOWERMODE1 0xE5 |
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#define WIN_SLEEPNOW1 0xE6 |
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#define WIN_FLUSH_CACHE 0xE7 |
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#define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */ |
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#define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */ |
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/* SET_FEATURES 0x22 or 0xDD */
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#define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */ |
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#define WIN_IDENTIFY 0xEC /* ask drive to identify itself */ |
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#define WIN_MEDIAEJECT 0xED |
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#define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */ |
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#define WIN_SETFEATURES 0xEF /* set special drive features */ |
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#define EXABYTE_ENABLE_NEST 0xF0 |
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#define WIN_SECURITY_SET_PASS 0xF1 |
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#define WIN_SECURITY_UNLOCK 0xF2 |
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#define WIN_SECURITY_ERASE_PREPARE 0xF3 |
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#define WIN_SECURITY_ERASE_UNIT 0xF4 |
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#define WIN_SECURITY_FREEZE_LOCK 0xF5 |
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#define WIN_SECURITY_DISABLE 0xF6 |
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#define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */ |
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#define WIN_SET_MAX 0xF9 |
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#define DISABLE_SEAGATE 0xFB |
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/* set to 1 set disable mult support */
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#define MAX_MULT_SECTORS 16 |
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/* ATAPI defines */
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#define ATAPI_PACKET_SIZE 12 |
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/* The generic packet command opcodes for CD/DVD Logical Units,
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* From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */
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#define GPCMD_BLANK 0xa1 |
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#define GPCMD_CLOSE_TRACK 0x5b |
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#define GPCMD_FLUSH_CACHE 0x35 |
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#define GPCMD_FORMAT_UNIT 0x04 |
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#define GPCMD_GET_CONFIGURATION 0x46 |
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#define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a |
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#define GPCMD_GET_PERFORMANCE 0xac |
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#define GPCMD_INQUIRY 0x12 |
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#define GPCMD_LOAD_UNLOAD 0xa6 |
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#define GPCMD_MECHANISM_STATUS 0xbd |
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#define GPCMD_MODE_SELECT_10 0x55 |
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#define GPCMD_MODE_SENSE_10 0x5a |
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#define GPCMD_PAUSE_RESUME 0x4b |
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#define GPCMD_PLAY_AUDIO_10 0x45 |
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#define GPCMD_PLAY_AUDIO_MSF 0x47 |
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#define GPCMD_PLAY_AUDIO_TI 0x48 |
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#define GPCMD_PLAY_CD 0xbc |
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#define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e |
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#define GPCMD_READ_10 0x28 |
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#define GPCMD_READ_12 0xa8 |
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#define GPCMD_READ_CDVD_CAPACITY 0x25 |
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#define GPCMD_READ_CD 0xbe |
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#define GPCMD_READ_CD_MSF 0xb9 |
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#define GPCMD_READ_DISC_INFO 0x51 |
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#define GPCMD_READ_DVD_STRUCTURE 0xad |
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#define GPCMD_READ_FORMAT_CAPACITIES 0x23 |
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#define GPCMD_READ_HEADER 0x44 |
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#define GPCMD_READ_TRACK_RZONE_INFO 0x52 |
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#define GPCMD_READ_SUBCHANNEL 0x42 |
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#define GPCMD_READ_TOC_PMA_ATIP 0x43 |
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#define GPCMD_REPAIR_RZONE_TRACK 0x58 |
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#define GPCMD_REPORT_KEY 0xa4 |
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#define GPCMD_REQUEST_SENSE 0x03 |
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#define GPCMD_RESERVE_RZONE_TRACK 0x53 |
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#define GPCMD_SCAN 0xba |
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#define GPCMD_SEEK 0x2b |
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#define GPCMD_SEND_DVD_STRUCTURE 0xad |
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#define GPCMD_SEND_EVENT 0xa2 |
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#define GPCMD_SEND_KEY 0xa3 |
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#define GPCMD_SEND_OPC 0x54 |
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#define GPCMD_SET_READ_AHEAD 0xa7 |
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#define GPCMD_SET_STREAMING 0xb6 |
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#define GPCMD_START_STOP_UNIT 0x1b |
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#define GPCMD_STOP_PLAY_SCAN 0x4e |
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#define GPCMD_TEST_UNIT_READY 0x00 |
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#define GPCMD_VERIFY_10 0x2f |
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#define GPCMD_WRITE_10 0x2a |
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#define GPCMD_WRITE_AND_VERIFY_10 0x2e |
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/* This is listed as optional in ATAPI 2.6, but is (curiously)
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* missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji
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* Table 377 as an MMC command for SCSi devices though... Most ATAPI
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* drives support it. */
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#define GPCMD_SET_SPEED 0xbb |
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/* This seems to be a SCSI specific CD-ROM opcode
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* to play data at track/index */
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#define GPCMD_PLAYAUDIO_TI 0x48 |
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/*
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* From MS Media Status Notification Support Specification. For
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* older drives only.
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*/
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#define GPCMD_GET_MEDIA_STATUS 0xda |
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/* Mode page codes for mode sense/set */
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#define GPMODE_R_W_ERROR_PAGE 0x01 |
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#define GPMODE_WRITE_PARMS_PAGE 0x05 |
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#define GPMODE_AUDIO_CTL_PAGE 0x0e |
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#define GPMODE_POWER_PAGE 0x1a |
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#define GPMODE_FAULT_FAIL_PAGE 0x1c |
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#define GPMODE_TO_PROTECT_PAGE 0x1d |
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#define GPMODE_CAPABILITIES_PAGE 0x2a |
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#define GPMODE_ALL_PAGES 0x3f |
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/* Not in Mt. Fuji, but in ATAPI 2.6 -- depricated now in favor
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* of MODE_SENSE_POWER_PAGE */
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#define GPMODE_CDROM_PAGE 0x0d |
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#define ATAPI_INT_REASON_CD 0x01 /* 0 = data transfer */ |
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#define ATAPI_INT_REASON_IO 0x02 /* 1 = transfer to the host */ |
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#define ATAPI_INT_REASON_REL 0x04 |
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#define ATAPI_INT_REASON_TAG 0xf8 |
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/* same constants as bochs */
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#define ASC_ILLEGAL_OPCODE 0x20 |
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#define ASC_LOGICAL_BLOCK_OOR 0x21 |
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#define ASC_INV_FIELD_IN_CMD_PACKET 0x24 |
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#define ASC_MEDIUM_NOT_PRESENT 0x3a |
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#define ASC_SAVING_PARAMETERS_NOT_SUPPORTED 0x39 |
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#define SENSE_NONE 0 |
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#define SENSE_NOT_READY 2 |
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#define SENSE_ILLEGAL_REQUEST 5 |
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#define SENSE_UNIT_ATTENTION 6 |
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struct IDEState;
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typedef void EndTransferFunc(struct IDEState *); |
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/* NOTE: IDEState represents in fact one drive */
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typedef struct IDEState { |
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/* ide config */
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int is_cdrom;
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int cylinders, heads, sectors;
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int64_t nb_sectors; |
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int mult_sectors;
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int identify_set;
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uint16_t identify_data[256];
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qemu_irq irq; |
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PCIDevice *pci_dev; |
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struct BMDMAState *bmdma;
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int drive_serial;
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/* ide regs */
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uint8_t feature; |
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uint8_t error; |
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uint32_t nsector; |
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uint8_t sector; |
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uint8_t lcyl; |
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uint8_t hcyl; |
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/* other part of tf for lba48 support */
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uint8_t hob_feature; |
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uint8_t hob_nsector; |
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uint8_t hob_sector; |
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uint8_t hob_lcyl; |
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uint8_t hob_hcyl; |
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uint8_t select; |
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uint8_t status; |
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|
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/* 0x3f6 command, only meaningful for drive 0 */
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uint8_t cmd; |
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/* set for lba48 access */
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uint8_t lba48; |
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/* depends on bit 4 in select, only meaningful for drive 0 */
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struct IDEState *cur_drive;
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BlockDriverState *bs; |
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/* ATAPI specific */
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uint8_t sense_key; |
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uint8_t asc; |
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int packet_transfer_size;
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int elementary_transfer_size;
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int io_buffer_index;
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int lba;
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int cd_sector_size;
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int atapi_dma; /* true if dma is requested for the packet cmd */ |
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/* ATA DMA state */
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int io_buffer_size;
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/* PIO transfer handling */
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int req_nb_sectors; /* number of sectors per interrupt */ |
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EndTransferFunc *end_transfer_func; |
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uint8_t *data_ptr; |
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uint8_t *data_end; |
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uint8_t io_buffer[MAX_MULT_SECTORS*512 + 4]; |
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QEMUTimer *sector_write_timer; /* only used for win2k instal hack */
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uint32_t irq_count; /* counts IRQs when using win2k install hack */
|
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} IDEState; |
351 |
|
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#define BM_STATUS_DMAING 0x01 |
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#define BM_STATUS_ERROR 0x02 |
354 |
#define BM_STATUS_INT 0x04 |
355 |
|
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#define BM_CMD_START 0x01 |
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#define BM_CMD_READ 0x08 |
358 |
|
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#define IDE_TYPE_PIIX3 0 |
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#define IDE_TYPE_CMD646 1 |
361 |
|
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/* CMD646 specific */
|
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#define MRDMODE 0x71 |
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#define MRDMODE_INTR_CH0 0x04 |
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#define MRDMODE_INTR_CH1 0x08 |
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#define MRDMODE_BLK_CH0 0x10 |
367 |
#define MRDMODE_BLK_CH1 0x20 |
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#define UDIDETCR0 0x73 |
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#define UDIDETCR1 0x7B |
370 |
|
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typedef struct BMDMAState { |
372 |
uint8_t cmd; |
373 |
uint8_t status; |
374 |
uint32_t addr; |
375 |
|
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struct PCIIDEState *pci_dev;
|
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/* current transfer state */
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uint32_t cur_addr; |
379 |
uint32_t cur_prd_last; |
380 |
uint32_t cur_prd_addr; |
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uint32_t cur_prd_len; |
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IDEState *ide_if; |
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BlockDriverCompletionFunc *dma_cb; |
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BlockDriverAIOCB *aiocb; |
385 |
} BMDMAState; |
386 |
|
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typedef struct PCIIDEState { |
388 |
PCIDevice dev; |
389 |
IDEState ide_if[4];
|
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BMDMAState bmdma[2];
|
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int type; /* see IDE_TYPE_xxx */ |
392 |
} PCIIDEState; |
393 |
|
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static void ide_dma_start(IDEState *s, BlockDriverCompletionFunc *dma_cb); |
395 |
static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret); |
396 |
|
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static void padstr(char *str, const char *src, int len) |
398 |
{ |
399 |
int i, v;
|
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for(i = 0; i < len; i++) { |
401 |
if (*src)
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v = *src++; |
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else
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v = ' ';
|
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*(char *)((long)str ^ 1) = v; |
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str++; |
407 |
} |
408 |
} |
409 |
|
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static void padstr8(uint8_t *buf, int buf_size, const char *src) |
411 |
{ |
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int i;
|
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for(i = 0; i < buf_size; i++) { |
414 |
if (*src)
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buf[i] = *src++; |
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else
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buf[i] = ' ';
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} |
419 |
} |
420 |
|
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static void put_le16(uint16_t *p, unsigned int v) |
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{ |
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*p = cpu_to_le16(v); |
424 |
} |
425 |
|
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static void ide_identify(IDEState *s) |
427 |
{ |
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uint16_t *p; |
429 |
unsigned int oldsize; |
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char buf[20]; |
431 |
|
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if (s->identify_set) {
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memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data));
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return;
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} |
436 |
|
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memset(s->io_buffer, 0, 512); |
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p = (uint16_t *)s->io_buffer; |
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put_le16(p + 0, 0x0040); |
440 |
put_le16(p + 1, s->cylinders);
|
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put_le16(p + 3, s->heads);
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put_le16(p + 4, 512 * s->sectors); /* XXX: retired, remove ? */ |
443 |
put_le16(p + 5, 512); /* XXX: retired, remove ? */ |
444 |
put_le16(p + 6, s->sectors);
|
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snprintf(buf, sizeof(buf), "QM%05d", s->drive_serial); |
446 |
padstr((uint8_t *)(p + 10), buf, 20); /* serial number */ |
447 |
put_le16(p + 20, 3); /* XXX: retired, remove ? */ |
448 |
put_le16(p + 21, 512); /* cache size in sectors */ |
449 |
put_le16(p + 22, 4); /* ecc bytes */ |
450 |
padstr((uint8_t *)(p + 23), QEMU_VERSION, 8); /* firmware version */ |
451 |
padstr((uint8_t *)(p + 27), "QEMU HARDDISK", 40); /* model */ |
452 |
#if MAX_MULT_SECTORS > 1 |
453 |
put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS); |
454 |
#endif
|
455 |
put_le16(p + 48, 1); /* dword I/O */ |
456 |
put_le16(p + 49, (1 << 11) | (1 << 9) | (1 << 8)); /* DMA and LBA supported */ |
457 |
put_le16(p + 51, 0x200); /* PIO transfer cycle */ |
458 |
put_le16(p + 52, 0x200); /* DMA transfer cycle */ |
459 |
put_le16(p + 53, 1 | (1 << 1) | (1 << 2)); /* words 54-58,64-70,88 are valid */ |
460 |
put_le16(p + 54, s->cylinders);
|
461 |
put_le16(p + 55, s->heads);
|
462 |
put_le16(p + 56, s->sectors);
|
463 |
oldsize = s->cylinders * s->heads * s->sectors; |
464 |
put_le16(p + 57, oldsize);
|
465 |
put_le16(p + 58, oldsize >> 16); |
466 |
if (s->mult_sectors)
|
467 |
put_le16(p + 59, 0x100 | s->mult_sectors); |
468 |
put_le16(p + 60, s->nb_sectors);
|
469 |
put_le16(p + 61, s->nb_sectors >> 16); |
470 |
put_le16(p + 63, 0x07); /* mdma0-2 supported */ |
471 |
put_le16(p + 65, 120); |
472 |
put_le16(p + 66, 120); |
473 |
put_le16(p + 67, 120); |
474 |
put_le16(p + 68, 120); |
475 |
put_le16(p + 80, 0xf0); /* ata3 -> ata6 supported */ |
476 |
put_le16(p + 81, 0x16); /* conforms to ata5 */ |
477 |
put_le16(p + 82, (1 << 14)); |
478 |
/* 13=flush_cache_ext,12=flush_cache,10=lba48 */
|
479 |
put_le16(p + 83, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10)); |
480 |
put_le16(p + 84, (1 << 14)); |
481 |
put_le16(p + 85, (1 << 14)); |
482 |
/* 13=flush_cache_ext,12=flush_cache,10=lba48 */
|
483 |
put_le16(p + 86, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10)); |
484 |
put_le16(p + 87, (1 << 14)); |
485 |
put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */ |
486 |
put_le16(p + 93, 1 | (1 << 14) | 0x2000); |
487 |
put_le16(p + 100, s->nb_sectors);
|
488 |
put_le16(p + 101, s->nb_sectors >> 16); |
489 |
put_le16(p + 102, s->nb_sectors >> 32); |
490 |
put_le16(p + 103, s->nb_sectors >> 48); |
491 |
|
492 |
memcpy(s->identify_data, p, sizeof(s->identify_data));
|
493 |
s->identify_set = 1;
|
494 |
} |
495 |
|
496 |
static void ide_atapi_identify(IDEState *s) |
497 |
{ |
498 |
uint16_t *p; |
499 |
char buf[20]; |
500 |
|
501 |
if (s->identify_set) {
|
502 |
memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data));
|
503 |
return;
|
504 |
} |
505 |
|
506 |
memset(s->io_buffer, 0, 512); |
507 |
p = (uint16_t *)s->io_buffer; |
508 |
/* Removable CDROM, 50us response, 12 byte packets */
|
509 |
put_le16(p + 0, (2 << 14) | (5 << 8) | (1 << 7) | (2 << 5) | (0 << 0)); |
510 |
snprintf(buf, sizeof(buf), "QM%05d", s->drive_serial); |
511 |
padstr((uint8_t *)(p + 10), buf, 20); /* serial number */ |
512 |
put_le16(p + 20, 3); /* buffer type */ |
513 |
put_le16(p + 21, 512); /* cache size in sectors */ |
514 |
put_le16(p + 22, 4); /* ecc bytes */ |
515 |
padstr((uint8_t *)(p + 23), QEMU_VERSION, 8); /* firmware version */ |
516 |
padstr((uint8_t *)(p + 27), "QEMU CD-ROM", 40); /* model */ |
517 |
put_le16(p + 48, 1); /* dword I/O (XXX: should not be set on CDROM) */ |
518 |
#ifdef USE_DMA_CDROM
|
519 |
put_le16(p + 49, 1 << 9 | 1 << 8); /* DMA and LBA supported */ |
520 |
put_le16(p + 53, 7); /* words 64-70, 54-58, 88 valid */ |
521 |
put_le16(p + 63, 7); /* mdma0-2 supported */ |
522 |
put_le16(p + 64, 0x3f); /* PIO modes supported */ |
523 |
#else
|
524 |
put_le16(p + 49, 1 << 9); /* LBA supported, no DMA */ |
525 |
put_le16(p + 53, 3); /* words 64-70, 54-58 valid */ |
526 |
put_le16(p + 63, 0x103); /* DMA modes XXX: may be incorrect */ |
527 |
put_le16(p + 64, 1); /* PIO modes */ |
528 |
#endif
|
529 |
put_le16(p + 65, 0xb4); /* minimum DMA multiword tx cycle time */ |
530 |
put_le16(p + 66, 0xb4); /* recommended DMA multiword tx cycle time */ |
531 |
put_le16(p + 67, 0x12c); /* minimum PIO cycle time without flow control */ |
532 |
put_le16(p + 68, 0xb4); /* minimum PIO cycle time with IORDY flow control */ |
533 |
|
534 |
put_le16(p + 71, 30); /* in ns */ |
535 |
put_le16(p + 72, 30); /* in ns */ |
536 |
|
537 |
put_le16(p + 80, 0x1e); /* support up to ATA/ATAPI-4 */ |
538 |
#ifdef USE_DMA_CDROM
|
539 |
put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */ |
540 |
#endif
|
541 |
memcpy(s->identify_data, p, sizeof(s->identify_data));
|
542 |
s->identify_set = 1;
|
543 |
} |
544 |
|
545 |
static void ide_set_signature(IDEState *s) |
546 |
{ |
547 |
s->select &= 0xf0; /* clear head */ |
548 |
/* put signature */
|
549 |
s->nsector = 1;
|
550 |
s->sector = 1;
|
551 |
if (s->is_cdrom) {
|
552 |
s->lcyl = 0x14;
|
553 |
s->hcyl = 0xeb;
|
554 |
} else if (s->bs) { |
555 |
s->lcyl = 0;
|
556 |
s->hcyl = 0;
|
557 |
} else {
|
558 |
s->lcyl = 0xff;
|
559 |
s->hcyl = 0xff;
|
560 |
} |
561 |
} |
562 |
|
563 |
static inline void ide_abort_command(IDEState *s) |
564 |
{ |
565 |
s->status = READY_STAT | ERR_STAT; |
566 |
s->error = ABRT_ERR; |
567 |
} |
568 |
|
569 |
static inline void ide_set_irq(IDEState *s) |
570 |
{ |
571 |
BMDMAState *bm = s->bmdma; |
572 |
if (!(s->cmd & IDE_CMD_DISABLE_IRQ)) {
|
573 |
if (bm) {
|
574 |
bm->status |= BM_STATUS_INT; |
575 |
} |
576 |
qemu_irq_raise(s->irq); |
577 |
} |
578 |
} |
579 |
|
580 |
/* prepare data transfer and tell what to do after */
|
581 |
static void ide_transfer_start(IDEState *s, uint8_t *buf, int size, |
582 |
EndTransferFunc *end_transfer_func) |
583 |
{ |
584 |
s->end_transfer_func = end_transfer_func; |
585 |
s->data_ptr = buf; |
586 |
s->data_end = buf + size; |
587 |
s->status |= DRQ_STAT; |
588 |
} |
589 |
|
590 |
static void ide_transfer_stop(IDEState *s) |
591 |
{ |
592 |
s->end_transfer_func = ide_transfer_stop; |
593 |
s->data_ptr = s->io_buffer; |
594 |
s->data_end = s->io_buffer; |
595 |
s->status &= ~DRQ_STAT; |
596 |
} |
597 |
|
598 |
static int64_t ide_get_sector(IDEState *s)
|
599 |
{ |
600 |
int64_t sector_num; |
601 |
if (s->select & 0x40) { |
602 |
/* lba */
|
603 |
if (!s->lba48) {
|
604 |
sector_num = ((s->select & 0x0f) << 24) | (s->hcyl << 16) | |
605 |
(s->lcyl << 8) | s->sector;
|
606 |
} else {
|
607 |
sector_num = ((int64_t)s->hob_hcyl << 40) |
|
608 |
((int64_t) s->hob_lcyl << 32) |
|
609 |
((int64_t) s->hob_sector << 24) |
|
610 |
((int64_t) s->hcyl << 16) |
|
611 |
((int64_t) s->lcyl << 8) | s->sector;
|
612 |
} |
613 |
} else {
|
614 |
sector_num = ((s->hcyl << 8) | s->lcyl) * s->heads * s->sectors +
|
615 |
(s->select & 0x0f) * s->sectors + (s->sector - 1); |
616 |
} |
617 |
return sector_num;
|
618 |
} |
619 |
|
620 |
static void ide_set_sector(IDEState *s, int64_t sector_num) |
621 |
{ |
622 |
unsigned int cyl, r; |
623 |
if (s->select & 0x40) { |
624 |
if (!s->lba48) {
|
625 |
s->select = (s->select & 0xf0) | (sector_num >> 24); |
626 |
s->hcyl = (sector_num >> 16);
|
627 |
s->lcyl = (sector_num >> 8);
|
628 |
s->sector = (sector_num); |
629 |
} else {
|
630 |
s->sector = sector_num; |
631 |
s->lcyl = sector_num >> 8;
|
632 |
s->hcyl = sector_num >> 16;
|
633 |
s->hob_sector = sector_num >> 24;
|
634 |
s->hob_lcyl = sector_num >> 32;
|
635 |
s->hob_hcyl = sector_num >> 40;
|
636 |
} |
637 |
} else {
|
638 |
cyl = sector_num / (s->heads * s->sectors); |
639 |
r = sector_num % (s->heads * s->sectors); |
640 |
s->hcyl = cyl >> 8;
|
641 |
s->lcyl = cyl; |
642 |
s->select = (s->select & 0xf0) | ((r / s->sectors) & 0x0f); |
643 |
s->sector = (r % s->sectors) + 1;
|
644 |
} |
645 |
} |
646 |
|
647 |
static void ide_sector_read(IDEState *s) |
648 |
{ |
649 |
int64_t sector_num; |
650 |
int ret, n;
|
651 |
|
652 |
s->status = READY_STAT | SEEK_STAT; |
653 |
s->error = 0; /* not needed by IDE spec, but needed by Windows */ |
654 |
sector_num = ide_get_sector(s); |
655 |
n = s->nsector; |
656 |
if (n == 0) { |
657 |
/* no more sector to read from disk */
|
658 |
ide_transfer_stop(s); |
659 |
} else {
|
660 |
#if defined(DEBUG_IDE)
|
661 |
printf("read sector=%Ld\n", sector_num);
|
662 |
#endif
|
663 |
if (n > s->req_nb_sectors)
|
664 |
n = s->req_nb_sectors; |
665 |
ret = bdrv_read(s->bs, sector_num, s->io_buffer, n); |
666 |
ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_read);
|
667 |
ide_set_irq(s); |
668 |
ide_set_sector(s, sector_num + n); |
669 |
s->nsector -= n; |
670 |
} |
671 |
} |
672 |
|
673 |
/* return 0 if buffer completed */
|
674 |
static int dma_buf_rw(BMDMAState *bm, int is_write) |
675 |
{ |
676 |
IDEState *s = bm->ide_if; |
677 |
struct {
|
678 |
uint32_t addr; |
679 |
uint32_t size; |
680 |
} prd; |
681 |
int l, len;
|
682 |
|
683 |
for(;;) {
|
684 |
l = s->io_buffer_size - s->io_buffer_index; |
685 |
if (l <= 0) |
686 |
break;
|
687 |
if (bm->cur_prd_len == 0) { |
688 |
/* end of table (with a fail safe of one page) */
|
689 |
if (bm->cur_prd_last ||
|
690 |
(bm->cur_addr - bm->addr) >= 4096)
|
691 |
return 0; |
692 |
cpu_physical_memory_read(bm->cur_addr, (uint8_t *)&prd, 8);
|
693 |
bm->cur_addr += 8;
|
694 |
prd.addr = le32_to_cpu(prd.addr); |
695 |
prd.size = le32_to_cpu(prd.size); |
696 |
len = prd.size & 0xfffe;
|
697 |
if (len == 0) |
698 |
len = 0x10000;
|
699 |
bm->cur_prd_len = len; |
700 |
bm->cur_prd_addr = prd.addr; |
701 |
bm->cur_prd_last = (prd.size & 0x80000000);
|
702 |
} |
703 |
if (l > bm->cur_prd_len)
|
704 |
l = bm->cur_prd_len; |
705 |
if (l > 0) { |
706 |
if (is_write) {
|
707 |
cpu_physical_memory_write(bm->cur_prd_addr, |
708 |
s->io_buffer + s->io_buffer_index, l); |
709 |
} else {
|
710 |
cpu_physical_memory_read(bm->cur_prd_addr, |
711 |
s->io_buffer + s->io_buffer_index, l); |
712 |
} |
713 |
bm->cur_prd_addr += l; |
714 |
bm->cur_prd_len -= l; |
715 |
s->io_buffer_index += l; |
716 |
} |
717 |
} |
718 |
return 1; |
719 |
} |
720 |
|
721 |
/* XXX: handle errors */
|
722 |
static void ide_read_dma_cb(void *opaque, int ret) |
723 |
{ |
724 |
BMDMAState *bm = opaque; |
725 |
IDEState *s = bm->ide_if; |
726 |
int n;
|
727 |
int64_t sector_num; |
728 |
|
729 |
n = s->io_buffer_size >> 9;
|
730 |
sector_num = ide_get_sector(s); |
731 |
if (n > 0) { |
732 |
sector_num += n; |
733 |
ide_set_sector(s, sector_num); |
734 |
s->nsector -= n; |
735 |
if (dma_buf_rw(bm, 1) == 0) |
736 |
goto eot;
|
737 |
} |
738 |
|
739 |
/* end of transfer ? */
|
740 |
if (s->nsector == 0) { |
741 |
s->status = READY_STAT | SEEK_STAT; |
742 |
ide_set_irq(s); |
743 |
eot:
|
744 |
bm->status &= ~BM_STATUS_DMAING; |
745 |
bm->status |= BM_STATUS_INT; |
746 |
bm->dma_cb = NULL;
|
747 |
bm->ide_if = NULL;
|
748 |
bm->aiocb = NULL;
|
749 |
return;
|
750 |
} |
751 |
|
752 |
/* launch next transfer */
|
753 |
n = s->nsector; |
754 |
if (n > MAX_MULT_SECTORS)
|
755 |
n = MAX_MULT_SECTORS; |
756 |
s->io_buffer_index = 0;
|
757 |
s->io_buffer_size = n * 512;
|
758 |
#ifdef DEBUG_AIO
|
759 |
printf("aio_read: sector_num=%lld n=%d\n", sector_num, n);
|
760 |
#endif
|
761 |
bm->aiocb = bdrv_aio_read(s->bs, sector_num, s->io_buffer, n, |
762 |
ide_read_dma_cb, bm); |
763 |
} |
764 |
|
765 |
static void ide_sector_read_dma(IDEState *s) |
766 |
{ |
767 |
s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; |
768 |
s->io_buffer_index = 0;
|
769 |
s->io_buffer_size = 0;
|
770 |
ide_dma_start(s, ide_read_dma_cb); |
771 |
} |
772 |
|
773 |
static void ide_sector_write_timer_cb(void *opaque) |
774 |
{ |
775 |
IDEState *s = opaque; |
776 |
ide_set_irq(s); |
777 |
} |
778 |
|
779 |
static void ide_sector_write(IDEState *s) |
780 |
{ |
781 |
int64_t sector_num; |
782 |
int ret, n, n1;
|
783 |
|
784 |
s->status = READY_STAT | SEEK_STAT; |
785 |
sector_num = ide_get_sector(s); |
786 |
#if defined(DEBUG_IDE)
|
787 |
printf("write sector=%Ld\n", sector_num);
|
788 |
#endif
|
789 |
n = s->nsector; |
790 |
if (n > s->req_nb_sectors)
|
791 |
n = s->req_nb_sectors; |
792 |
ret = bdrv_write(s->bs, sector_num, s->io_buffer, n); |
793 |
s->nsector -= n; |
794 |
if (s->nsector == 0) { |
795 |
/* no more sectors to write */
|
796 |
ide_transfer_stop(s); |
797 |
} else {
|
798 |
n1 = s->nsector; |
799 |
if (n1 > s->req_nb_sectors)
|
800 |
n1 = s->req_nb_sectors; |
801 |
ide_transfer_start(s, s->io_buffer, 512 * n1, ide_sector_write);
|
802 |
} |
803 |
ide_set_sector(s, sector_num + n); |
804 |
|
805 |
#ifdef TARGET_I386
|
806 |
if (win2k_install_hack && ((++s->irq_count % 16) == 0)) { |
807 |
/* It seems there is a bug in the Windows 2000 installer HDD
|
808 |
IDE driver which fills the disk with empty logs when the
|
809 |
IDE write IRQ comes too early. This hack tries to correct
|
810 |
that at the expense of slower write performances. Use this
|
811 |
option _only_ to install Windows 2000. You must disable it
|
812 |
for normal use. */
|
813 |
qemu_mod_timer(s->sector_write_timer, |
814 |
qemu_get_clock(vm_clock) + (ticks_per_sec / 1000));
|
815 |
} else
|
816 |
#endif
|
817 |
{ |
818 |
ide_set_irq(s); |
819 |
} |
820 |
} |
821 |
|
822 |
/* XXX: handle errors */
|
823 |
static void ide_write_dma_cb(void *opaque, int ret) |
824 |
{ |
825 |
BMDMAState *bm = opaque; |
826 |
IDEState *s = bm->ide_if; |
827 |
int n;
|
828 |
int64_t sector_num; |
829 |
|
830 |
n = s->io_buffer_size >> 9;
|
831 |
sector_num = ide_get_sector(s); |
832 |
if (n > 0) { |
833 |
sector_num += n; |
834 |
ide_set_sector(s, sector_num); |
835 |
s->nsector -= n; |
836 |
} |
837 |
|
838 |
/* end of transfer ? */
|
839 |
if (s->nsector == 0) { |
840 |
s->status = READY_STAT | SEEK_STAT; |
841 |
ide_set_irq(s); |
842 |
eot:
|
843 |
bm->status &= ~BM_STATUS_DMAING; |
844 |
bm->status |= BM_STATUS_INT; |
845 |
bm->dma_cb = NULL;
|
846 |
bm->ide_if = NULL;
|
847 |
bm->aiocb = NULL;
|
848 |
return;
|
849 |
} |
850 |
|
851 |
/* launch next transfer */
|
852 |
n = s->nsector; |
853 |
if (n > MAX_MULT_SECTORS)
|
854 |
n = MAX_MULT_SECTORS; |
855 |
s->io_buffer_index = 0;
|
856 |
s->io_buffer_size = n * 512;
|
857 |
|
858 |
if (dma_buf_rw(bm, 0) == 0) |
859 |
goto eot;
|
860 |
#ifdef DEBUG_AIO
|
861 |
printf("aio_write: sector_num=%lld n=%d\n", sector_num, n);
|
862 |
#endif
|
863 |
bm->aiocb = bdrv_aio_write(s->bs, sector_num, s->io_buffer, n, |
864 |
ide_write_dma_cb, bm); |
865 |
} |
866 |
|
867 |
static void ide_sector_write_dma(IDEState *s) |
868 |
{ |
869 |
s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; |
870 |
s->io_buffer_index = 0;
|
871 |
s->io_buffer_size = 0;
|
872 |
ide_dma_start(s, ide_write_dma_cb); |
873 |
} |
874 |
|
875 |
static void ide_atapi_cmd_ok(IDEState *s) |
876 |
{ |
877 |
s->error = 0;
|
878 |
s->status = READY_STAT; |
879 |
s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
|
880 |
ide_set_irq(s); |
881 |
} |
882 |
|
883 |
static void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc) |
884 |
{ |
885 |
#ifdef DEBUG_IDE_ATAPI
|
886 |
printf("atapi_cmd_error: sense=0x%x asc=0x%x\n", sense_key, asc);
|
887 |
#endif
|
888 |
s->error = sense_key << 4;
|
889 |
s->status = READY_STAT | ERR_STAT; |
890 |
s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
|
891 |
s->sense_key = sense_key; |
892 |
s->asc = asc; |
893 |
ide_set_irq(s); |
894 |
} |
895 |
|
896 |
static inline void cpu_to_ube16(uint8_t *buf, int val) |
897 |
{ |
898 |
buf[0] = val >> 8; |
899 |
buf[1] = val;
|
900 |
} |
901 |
|
902 |
static inline void cpu_to_ube32(uint8_t *buf, unsigned int val) |
903 |
{ |
904 |
buf[0] = val >> 24; |
905 |
buf[1] = val >> 16; |
906 |
buf[2] = val >> 8; |
907 |
buf[3] = val;
|
908 |
} |
909 |
|
910 |
static inline int ube16_to_cpu(const uint8_t *buf) |
911 |
{ |
912 |
return (buf[0] << 8) | buf[1]; |
913 |
} |
914 |
|
915 |
static inline int ube32_to_cpu(const uint8_t *buf) |
916 |
{ |
917 |
return (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]; |
918 |
} |
919 |
|
920 |
static void lba_to_msf(uint8_t *buf, int lba) |
921 |
{ |
922 |
lba += 150;
|
923 |
buf[0] = (lba / 75) / 60; |
924 |
buf[1] = (lba / 75) % 60; |
925 |
buf[2] = lba % 75; |
926 |
} |
927 |
|
928 |
static void cd_data_to_raw(uint8_t *buf, int lba) |
929 |
{ |
930 |
/* sync bytes */
|
931 |
buf[0] = 0x00; |
932 |
memset(buf + 1, 0xff, 10); |
933 |
buf[11] = 0x00; |
934 |
buf += 12;
|
935 |
/* MSF */
|
936 |
lba_to_msf(buf, lba); |
937 |
buf[3] = 0x01; /* mode 1 data */ |
938 |
buf += 4;
|
939 |
/* data */
|
940 |
buf += 2048;
|
941 |
/* XXX: ECC not computed */
|
942 |
memset(buf, 0, 288); |
943 |
} |
944 |
|
945 |
static int cd_read_sector(BlockDriverState *bs, int lba, uint8_t *buf, |
946 |
int sector_size)
|
947 |
{ |
948 |
int ret;
|
949 |
|
950 |
switch(sector_size) {
|
951 |
case 2048: |
952 |
ret = bdrv_read(bs, (int64_t)lba << 2, buf, 4); |
953 |
break;
|
954 |
case 2352: |
955 |
ret = bdrv_read(bs, (int64_t)lba << 2, buf + 16, 4); |
956 |
if (ret < 0) |
957 |
return ret;
|
958 |
cd_data_to_raw(buf, lba); |
959 |
break;
|
960 |
default:
|
961 |
ret = -EIO; |
962 |
break;
|
963 |
} |
964 |
return ret;
|
965 |
} |
966 |
|
967 |
static void ide_atapi_io_error(IDEState *s, int ret) |
968 |
{ |
969 |
/* XXX: handle more errors */
|
970 |
if (ret == -ENOMEDIUM) {
|
971 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
972 |
ASC_MEDIUM_NOT_PRESENT); |
973 |
} else {
|
974 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
975 |
ASC_LOGICAL_BLOCK_OOR); |
976 |
} |
977 |
} |
978 |
|
979 |
/* The whole ATAPI transfer logic is handled in this function */
|
980 |
static void ide_atapi_cmd_reply_end(IDEState *s) |
981 |
{ |
982 |
int byte_count_limit, size, ret;
|
983 |
#ifdef DEBUG_IDE_ATAPI
|
984 |
printf("reply: tx_size=%d elem_tx_size=%d index=%d\n",
|
985 |
s->packet_transfer_size, |
986 |
s->elementary_transfer_size, |
987 |
s->io_buffer_index); |
988 |
#endif
|
989 |
if (s->packet_transfer_size <= 0) { |
990 |
/* end of transfer */
|
991 |
ide_transfer_stop(s); |
992 |
s->status = READY_STAT; |
993 |
s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
|
994 |
ide_set_irq(s); |
995 |
#ifdef DEBUG_IDE_ATAPI
|
996 |
printf("status=0x%x\n", s->status);
|
997 |
#endif
|
998 |
} else {
|
999 |
/* see if a new sector must be read */
|
1000 |
if (s->lba != -1 && s->io_buffer_index >= s->cd_sector_size) { |
1001 |
ret = cd_read_sector(s->bs, s->lba, s->io_buffer, s->cd_sector_size); |
1002 |
if (ret < 0) { |
1003 |
ide_transfer_stop(s); |
1004 |
ide_atapi_io_error(s, ret); |
1005 |
return;
|
1006 |
} |
1007 |
s->lba++; |
1008 |
s->io_buffer_index = 0;
|
1009 |
} |
1010 |
if (s->elementary_transfer_size > 0) { |
1011 |
/* there are some data left to transmit in this elementary
|
1012 |
transfer */
|
1013 |
size = s->cd_sector_size - s->io_buffer_index; |
1014 |
if (size > s->elementary_transfer_size)
|
1015 |
size = s->elementary_transfer_size; |
1016 |
ide_transfer_start(s, s->io_buffer + s->io_buffer_index, |
1017 |
size, ide_atapi_cmd_reply_end); |
1018 |
s->packet_transfer_size -= size; |
1019 |
s->elementary_transfer_size -= size; |
1020 |
s->io_buffer_index += size; |
1021 |
} else {
|
1022 |
/* a new transfer is needed */
|
1023 |
s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO;
|
1024 |
byte_count_limit = s->lcyl | (s->hcyl << 8);
|
1025 |
#ifdef DEBUG_IDE_ATAPI
|
1026 |
printf("byte_count_limit=%d\n", byte_count_limit);
|
1027 |
#endif
|
1028 |
if (byte_count_limit == 0xffff) |
1029 |
byte_count_limit--; |
1030 |
size = s->packet_transfer_size; |
1031 |
if (size > byte_count_limit) {
|
1032 |
/* byte count limit must be even if this case */
|
1033 |
if (byte_count_limit & 1) |
1034 |
byte_count_limit--; |
1035 |
size = byte_count_limit; |
1036 |
} |
1037 |
s->lcyl = size; |
1038 |
s->hcyl = size >> 8;
|
1039 |
s->elementary_transfer_size = size; |
1040 |
/* we cannot transmit more than one sector at a time */
|
1041 |
if (s->lba != -1) { |
1042 |
if (size > (s->cd_sector_size - s->io_buffer_index))
|
1043 |
size = (s->cd_sector_size - s->io_buffer_index); |
1044 |
} |
1045 |
ide_transfer_start(s, s->io_buffer + s->io_buffer_index, |
1046 |
size, ide_atapi_cmd_reply_end); |
1047 |
s->packet_transfer_size -= size; |
1048 |
s->elementary_transfer_size -= size; |
1049 |
s->io_buffer_index += size; |
1050 |
ide_set_irq(s); |
1051 |
#ifdef DEBUG_IDE_ATAPI
|
1052 |
printf("status=0x%x\n", s->status);
|
1053 |
#endif
|
1054 |
} |
1055 |
} |
1056 |
} |
1057 |
|
1058 |
/* send a reply of 'size' bytes in s->io_buffer to an ATAPI command */
|
1059 |
static void ide_atapi_cmd_reply(IDEState *s, int size, int max_size) |
1060 |
{ |
1061 |
if (size > max_size)
|
1062 |
size = max_size; |
1063 |
s->lba = -1; /* no sector read */ |
1064 |
s->packet_transfer_size = size; |
1065 |
s->io_buffer_size = size; /* dma: send the reply data as one chunk */
|
1066 |
s->elementary_transfer_size = 0;
|
1067 |
s->io_buffer_index = 0;
|
1068 |
|
1069 |
if (s->atapi_dma) {
|
1070 |
s->status = READY_STAT | DRQ_STAT; |
1071 |
ide_dma_start(s, ide_atapi_cmd_read_dma_cb); |
1072 |
} else {
|
1073 |
s->status = READY_STAT; |
1074 |
ide_atapi_cmd_reply_end(s); |
1075 |
} |
1076 |
} |
1077 |
|
1078 |
/* start a CD-CDROM read command */
|
1079 |
static void ide_atapi_cmd_read_pio(IDEState *s, int lba, int nb_sectors, |
1080 |
int sector_size)
|
1081 |
{ |
1082 |
s->lba = lba; |
1083 |
s->packet_transfer_size = nb_sectors * sector_size; |
1084 |
s->elementary_transfer_size = 0;
|
1085 |
s->io_buffer_index = sector_size; |
1086 |
s->cd_sector_size = sector_size; |
1087 |
|
1088 |
s->status = READY_STAT; |
1089 |
ide_atapi_cmd_reply_end(s); |
1090 |
} |
1091 |
|
1092 |
/* ATAPI DMA support */
|
1093 |
|
1094 |
/* XXX: handle read errors */
|
1095 |
static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret) |
1096 |
{ |
1097 |
BMDMAState *bm = opaque; |
1098 |
IDEState *s = bm->ide_if; |
1099 |
int data_offset, n;
|
1100 |
|
1101 |
if (ret < 0) { |
1102 |
ide_atapi_io_error(s, ret); |
1103 |
goto eot;
|
1104 |
} |
1105 |
|
1106 |
if (s->io_buffer_size > 0) { |
1107 |
/*
|
1108 |
* For a cdrom read sector command (s->lba != -1),
|
1109 |
* adjust the lba for the next s->io_buffer_size chunk
|
1110 |
* and dma the current chunk.
|
1111 |
* For a command != read (s->lba == -1), just transfer
|
1112 |
* the reply data.
|
1113 |
*/
|
1114 |
if (s->lba != -1) { |
1115 |
if (s->cd_sector_size == 2352) { |
1116 |
n = 1;
|
1117 |
cd_data_to_raw(s->io_buffer, s->lba); |
1118 |
} else {
|
1119 |
n = s->io_buffer_size >> 11;
|
1120 |
} |
1121 |
s->lba += n; |
1122 |
} |
1123 |
s->packet_transfer_size -= s->io_buffer_size; |
1124 |
if (dma_buf_rw(bm, 1) == 0) |
1125 |
goto eot;
|
1126 |
} |
1127 |
|
1128 |
if (s->packet_transfer_size <= 0) { |
1129 |
s->status = READY_STAT; |
1130 |
s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
|
1131 |
ide_set_irq(s); |
1132 |
eot:
|
1133 |
bm->status &= ~BM_STATUS_DMAING; |
1134 |
bm->status |= BM_STATUS_INT; |
1135 |
bm->dma_cb = NULL;
|
1136 |
bm->ide_if = NULL;
|
1137 |
bm->aiocb = NULL;
|
1138 |
return;
|
1139 |
} |
1140 |
|
1141 |
s->io_buffer_index = 0;
|
1142 |
if (s->cd_sector_size == 2352) { |
1143 |
n = 1;
|
1144 |
s->io_buffer_size = s->cd_sector_size; |
1145 |
data_offset = 16;
|
1146 |
} else {
|
1147 |
n = s->packet_transfer_size >> 11;
|
1148 |
if (n > (MAX_MULT_SECTORS / 4)) |
1149 |
n = (MAX_MULT_SECTORS / 4);
|
1150 |
s->io_buffer_size = n * 2048;
|
1151 |
data_offset = 0;
|
1152 |
} |
1153 |
#ifdef DEBUG_AIO
|
1154 |
printf("aio_read_cd: lba=%u n=%d\n", s->lba, n);
|
1155 |
#endif
|
1156 |
bm->aiocb = bdrv_aio_read(s->bs, (int64_t)s->lba << 2,
|
1157 |
s->io_buffer + data_offset, n * 4,
|
1158 |
ide_atapi_cmd_read_dma_cb, bm); |
1159 |
if (!bm->aiocb) {
|
1160 |
/* Note: media not present is the most likely case */
|
1161 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
1162 |
ASC_MEDIUM_NOT_PRESENT); |
1163 |
goto eot;
|
1164 |
} |
1165 |
} |
1166 |
|
1167 |
/* start a CD-CDROM read command with DMA */
|
1168 |
/* XXX: test if DMA is available */
|
1169 |
static void ide_atapi_cmd_read_dma(IDEState *s, int lba, int nb_sectors, |
1170 |
int sector_size)
|
1171 |
{ |
1172 |
s->lba = lba; |
1173 |
s->packet_transfer_size = nb_sectors * sector_size; |
1174 |
s->io_buffer_index = 0;
|
1175 |
s->io_buffer_size = 0;
|
1176 |
s->cd_sector_size = sector_size; |
1177 |
|
1178 |
/* XXX: check if BUSY_STAT should be set */
|
1179 |
s->status = READY_STAT | DRQ_STAT | BUSY_STAT; |
1180 |
ide_dma_start(s, ide_atapi_cmd_read_dma_cb); |
1181 |
} |
1182 |
|
1183 |
static void ide_atapi_cmd_read(IDEState *s, int lba, int nb_sectors, |
1184 |
int sector_size)
|
1185 |
{ |
1186 |
#ifdef DEBUG_IDE_ATAPI
|
1187 |
printf("read %s: LBA=%d nb_sectors=%d\n", s->atapi_dma ? "dma" : "pio", |
1188 |
lba, nb_sectors); |
1189 |
#endif
|
1190 |
if (s->atapi_dma) {
|
1191 |
ide_atapi_cmd_read_dma(s, lba, nb_sectors, sector_size); |
1192 |
} else {
|
1193 |
ide_atapi_cmd_read_pio(s, lba, nb_sectors, sector_size); |
1194 |
} |
1195 |
} |
1196 |
|
1197 |
static void ide_atapi_cmd(IDEState *s) |
1198 |
{ |
1199 |
const uint8_t *packet;
|
1200 |
uint8_t *buf; |
1201 |
int max_len;
|
1202 |
|
1203 |
packet = s->io_buffer; |
1204 |
buf = s->io_buffer; |
1205 |
#ifdef DEBUG_IDE_ATAPI
|
1206 |
{ |
1207 |
int i;
|
1208 |
printf("ATAPI limit=0x%x packet:", s->lcyl | (s->hcyl << 8)); |
1209 |
for(i = 0; i < ATAPI_PACKET_SIZE; i++) { |
1210 |
printf(" %02x", packet[i]);
|
1211 |
} |
1212 |
printf("\n");
|
1213 |
} |
1214 |
#endif
|
1215 |
switch(s->io_buffer[0]) { |
1216 |
case GPCMD_TEST_UNIT_READY:
|
1217 |
if (bdrv_is_inserted(s->bs)) {
|
1218 |
ide_atapi_cmd_ok(s); |
1219 |
} else {
|
1220 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
1221 |
ASC_MEDIUM_NOT_PRESENT); |
1222 |
} |
1223 |
break;
|
1224 |
case GPCMD_MODE_SENSE_10:
|
1225 |
{ |
1226 |
int action, code;
|
1227 |
max_len = ube16_to_cpu(packet + 7);
|
1228 |
action = packet[2] >> 6; |
1229 |
code = packet[2] & 0x3f; |
1230 |
switch(action) {
|
1231 |
case 0: /* current values */ |
1232 |
switch(code) {
|
1233 |
case 0x01: /* error recovery */ |
1234 |
cpu_to_ube16(&buf[0], 16 + 6); |
1235 |
buf[2] = 0x70; |
1236 |
buf[3] = 0; |
1237 |
buf[4] = 0; |
1238 |
buf[5] = 0; |
1239 |
buf[6] = 0; |
1240 |
buf[7] = 0; |
1241 |
|
1242 |
buf[8] = 0x01; |
1243 |
buf[9] = 0x06; |
1244 |
buf[10] = 0x00; |
1245 |
buf[11] = 0x05; |
1246 |
buf[12] = 0x00; |
1247 |
buf[13] = 0x00; |
1248 |
buf[14] = 0x00; |
1249 |
buf[15] = 0x00; |
1250 |
ide_atapi_cmd_reply(s, 16, max_len);
|
1251 |
break;
|
1252 |
case 0x2a: |
1253 |
cpu_to_ube16(&buf[0], 28 + 6); |
1254 |
buf[2] = 0x70; |
1255 |
buf[3] = 0; |
1256 |
buf[4] = 0; |
1257 |
buf[5] = 0; |
1258 |
buf[6] = 0; |
1259 |
buf[7] = 0; |
1260 |
|
1261 |
buf[8] = 0x2a; |
1262 |
buf[9] = 0x12; |
1263 |
buf[10] = 0x00; |
1264 |
buf[11] = 0x00; |
1265 |
|
1266 |
buf[12] = 0x70; |
1267 |
buf[13] = 3 << 5; |
1268 |
buf[14] = (1 << 0) | (1 << 3) | (1 << 5); |
1269 |
if (bdrv_is_locked(s->bs))
|
1270 |
buf[6] |= 1 << 1; |
1271 |
buf[15] = 0x00; |
1272 |
cpu_to_ube16(&buf[16], 706); |
1273 |
buf[18] = 0; |
1274 |
buf[19] = 2; |
1275 |
cpu_to_ube16(&buf[20], 512); |
1276 |
cpu_to_ube16(&buf[22], 706); |
1277 |
buf[24] = 0; |
1278 |
buf[25] = 0; |
1279 |
buf[26] = 0; |
1280 |
buf[27] = 0; |
1281 |
ide_atapi_cmd_reply(s, 28, max_len);
|
1282 |
break;
|
1283 |
default:
|
1284 |
goto error_cmd;
|
1285 |
} |
1286 |
break;
|
1287 |
case 1: /* changeable values */ |
1288 |
goto error_cmd;
|
1289 |
case 2: /* default values */ |
1290 |
goto error_cmd;
|
1291 |
default:
|
1292 |
case 3: /* saved values */ |
1293 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
1294 |
ASC_SAVING_PARAMETERS_NOT_SUPPORTED); |
1295 |
break;
|
1296 |
} |
1297 |
} |
1298 |
break;
|
1299 |
case GPCMD_REQUEST_SENSE:
|
1300 |
max_len = packet[4];
|
1301 |
memset(buf, 0, 18); |
1302 |
buf[0] = 0x70 | (1 << 7); |
1303 |
buf[2] = s->sense_key;
|
1304 |
buf[7] = 10; |
1305 |
buf[12] = s->asc;
|
1306 |
ide_atapi_cmd_reply(s, 18, max_len);
|
1307 |
break;
|
1308 |
case GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
|
1309 |
if (bdrv_is_inserted(s->bs)) {
|
1310 |
bdrv_set_locked(s->bs, packet[4] & 1); |
1311 |
ide_atapi_cmd_ok(s); |
1312 |
} else {
|
1313 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
1314 |
ASC_MEDIUM_NOT_PRESENT); |
1315 |
} |
1316 |
break;
|
1317 |
case GPCMD_READ_10:
|
1318 |
case GPCMD_READ_12:
|
1319 |
{ |
1320 |
int nb_sectors, lba;
|
1321 |
|
1322 |
if (packet[0] == GPCMD_READ_10) |
1323 |
nb_sectors = ube16_to_cpu(packet + 7);
|
1324 |
else
|
1325 |
nb_sectors = ube32_to_cpu(packet + 6);
|
1326 |
lba = ube32_to_cpu(packet + 2);
|
1327 |
if (nb_sectors == 0) { |
1328 |
ide_atapi_cmd_ok(s); |
1329 |
break;
|
1330 |
} |
1331 |
ide_atapi_cmd_read(s, lba, nb_sectors, 2048);
|
1332 |
} |
1333 |
break;
|
1334 |
case GPCMD_READ_CD:
|
1335 |
{ |
1336 |
int nb_sectors, lba, transfer_request;
|
1337 |
|
1338 |
nb_sectors = (packet[6] << 16) | (packet[7] << 8) | packet[8]; |
1339 |
lba = ube32_to_cpu(packet + 2);
|
1340 |
if (nb_sectors == 0) { |
1341 |
ide_atapi_cmd_ok(s); |
1342 |
break;
|
1343 |
} |
1344 |
transfer_request = packet[9];
|
1345 |
switch(transfer_request & 0xf8) { |
1346 |
case 0x00: |
1347 |
/* nothing */
|
1348 |
ide_atapi_cmd_ok(s); |
1349 |
break;
|
1350 |
case 0x10: |
1351 |
/* normal read */
|
1352 |
ide_atapi_cmd_read(s, lba, nb_sectors, 2048);
|
1353 |
break;
|
1354 |
case 0xf8: |
1355 |
/* read all data */
|
1356 |
ide_atapi_cmd_read(s, lba, nb_sectors, 2352);
|
1357 |
break;
|
1358 |
default:
|
1359 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
1360 |
ASC_INV_FIELD_IN_CMD_PACKET); |
1361 |
break;
|
1362 |
} |
1363 |
} |
1364 |
break;
|
1365 |
case GPCMD_SEEK:
|
1366 |
{ |
1367 |
int lba;
|
1368 |
int64_t total_sectors; |
1369 |
|
1370 |
bdrv_get_geometry(s->bs, &total_sectors); |
1371 |
total_sectors >>= 2;
|
1372 |
if (total_sectors <= 0) { |
1373 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
1374 |
ASC_MEDIUM_NOT_PRESENT); |
1375 |
break;
|
1376 |
} |
1377 |
lba = ube32_to_cpu(packet + 2);
|
1378 |
if (lba >= total_sectors) {
|
1379 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
1380 |
ASC_LOGICAL_BLOCK_OOR); |
1381 |
break;
|
1382 |
} |
1383 |
ide_atapi_cmd_ok(s); |
1384 |
} |
1385 |
break;
|
1386 |
case GPCMD_START_STOP_UNIT:
|
1387 |
{ |
1388 |
int start, eject;
|
1389 |
start = packet[4] & 1; |
1390 |
eject = (packet[4] >> 1) & 1; |
1391 |
|
1392 |
if (eject && !start) {
|
1393 |
/* eject the disk */
|
1394 |
bdrv_eject(s->bs, 1);
|
1395 |
} else if (eject && start) { |
1396 |
/* close the tray */
|
1397 |
bdrv_eject(s->bs, 0);
|
1398 |
} |
1399 |
ide_atapi_cmd_ok(s); |
1400 |
} |
1401 |
break;
|
1402 |
case GPCMD_MECHANISM_STATUS:
|
1403 |
{ |
1404 |
max_len = ube16_to_cpu(packet + 8);
|
1405 |
cpu_to_ube16(buf, 0);
|
1406 |
/* no current LBA */
|
1407 |
buf[2] = 0; |
1408 |
buf[3] = 0; |
1409 |
buf[4] = 0; |
1410 |
buf[5] = 1; |
1411 |
cpu_to_ube16(buf + 6, 0); |
1412 |
ide_atapi_cmd_reply(s, 8, max_len);
|
1413 |
} |
1414 |
break;
|
1415 |
case GPCMD_READ_TOC_PMA_ATIP:
|
1416 |
{ |
1417 |
int format, msf, start_track, len;
|
1418 |
int64_t total_sectors; |
1419 |
|
1420 |
bdrv_get_geometry(s->bs, &total_sectors); |
1421 |
total_sectors >>= 2;
|
1422 |
if (total_sectors <= 0) { |
1423 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
1424 |
ASC_MEDIUM_NOT_PRESENT); |
1425 |
break;
|
1426 |
} |
1427 |
max_len = ube16_to_cpu(packet + 7);
|
1428 |
format = packet[9] >> 6; |
1429 |
msf = (packet[1] >> 1) & 1; |
1430 |
start_track = packet[6];
|
1431 |
switch(format) {
|
1432 |
case 0: |
1433 |
len = cdrom_read_toc(total_sectors, buf, msf, start_track); |
1434 |
if (len < 0) |
1435 |
goto error_cmd;
|
1436 |
ide_atapi_cmd_reply(s, len, max_len); |
1437 |
break;
|
1438 |
case 1: |
1439 |
/* multi session : only a single session defined */
|
1440 |
memset(buf, 0, 12); |
1441 |
buf[1] = 0x0a; |
1442 |
buf[2] = 0x01; |
1443 |
buf[3] = 0x01; |
1444 |
ide_atapi_cmd_reply(s, 12, max_len);
|
1445 |
break;
|
1446 |
case 2: |
1447 |
len = cdrom_read_toc_raw(total_sectors, buf, msf, start_track); |
1448 |
if (len < 0) |
1449 |
goto error_cmd;
|
1450 |
ide_atapi_cmd_reply(s, len, max_len); |
1451 |
break;
|
1452 |
default:
|
1453 |
error_cmd:
|
1454 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
1455 |
ASC_INV_FIELD_IN_CMD_PACKET); |
1456 |
break;
|
1457 |
} |
1458 |
} |
1459 |
break;
|
1460 |
case GPCMD_READ_CDVD_CAPACITY:
|
1461 |
{ |
1462 |
int64_t total_sectors; |
1463 |
|
1464 |
bdrv_get_geometry(s->bs, &total_sectors); |
1465 |
total_sectors >>= 2;
|
1466 |
if (total_sectors <= 0) { |
1467 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
1468 |
ASC_MEDIUM_NOT_PRESENT); |
1469 |
break;
|
1470 |
} |
1471 |
/* NOTE: it is really the number of sectors minus 1 */
|
1472 |
cpu_to_ube32(buf, total_sectors - 1);
|
1473 |
cpu_to_ube32(buf + 4, 2048); |
1474 |
ide_atapi_cmd_reply(s, 8, 8); |
1475 |
} |
1476 |
break;
|
1477 |
case GPCMD_INQUIRY:
|
1478 |
max_len = packet[4];
|
1479 |
buf[0] = 0x05; /* CD-ROM */ |
1480 |
buf[1] = 0x80; /* removable */ |
1481 |
buf[2] = 0x00; /* ISO */ |
1482 |
buf[3] = 0x21; /* ATAPI-2 (XXX: put ATAPI-4 ?) */ |
1483 |
buf[4] = 31; /* additionnal length */ |
1484 |
buf[5] = 0; /* reserved */ |
1485 |
buf[6] = 0; /* reserved */ |
1486 |
buf[7] = 0; /* reserved */ |
1487 |
padstr8(buf + 8, 8, "QEMU"); |
1488 |
padstr8(buf + 16, 16, "QEMU CD-ROM"); |
1489 |
padstr8(buf + 32, 4, QEMU_VERSION); |
1490 |
ide_atapi_cmd_reply(s, 36, max_len);
|
1491 |
break;
|
1492 |
default:
|
1493 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
1494 |
ASC_ILLEGAL_OPCODE); |
1495 |
break;
|
1496 |
} |
1497 |
} |
1498 |
|
1499 |
/* called when the inserted state of the media has changed */
|
1500 |
static void cdrom_change_cb(void *opaque) |
1501 |
{ |
1502 |
IDEState *s = opaque; |
1503 |
int64_t nb_sectors; |
1504 |
|
1505 |
/* XXX: send interrupt too */
|
1506 |
bdrv_get_geometry(s->bs, &nb_sectors); |
1507 |
s->nb_sectors = nb_sectors; |
1508 |
} |
1509 |
|
1510 |
static void ide_cmd_lba48_transform(IDEState *s, int lba48) |
1511 |
{ |
1512 |
s->lba48 = lba48; |
1513 |
|
1514 |
/* handle the 'magic' 0 nsector count conversion here. to avoid
|
1515 |
* fiddling with the rest of the read logic, we just store the
|
1516 |
* full sector count in ->nsector and ignore ->hob_nsector from now
|
1517 |
*/
|
1518 |
if (!s->lba48) {
|
1519 |
if (!s->nsector)
|
1520 |
s->nsector = 256;
|
1521 |
} else {
|
1522 |
if (!s->nsector && !s->hob_nsector)
|
1523 |
s->nsector = 65536;
|
1524 |
else {
|
1525 |
int lo = s->nsector;
|
1526 |
int hi = s->hob_nsector;
|
1527 |
|
1528 |
s->nsector = (hi << 8) | lo;
|
1529 |
} |
1530 |
} |
1531 |
} |
1532 |
|
1533 |
static void ide_clear_hob(IDEState *ide_if) |
1534 |
{ |
1535 |
/* any write clears HOB high bit of device control register */
|
1536 |
ide_if[0].select &= ~(1 << 7); |
1537 |
ide_if[1].select &= ~(1 << 7); |
1538 |
} |
1539 |
|
1540 |
static void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val) |
1541 |
{ |
1542 |
IDEState *ide_if = opaque; |
1543 |
IDEState *s; |
1544 |
int unit, n;
|
1545 |
int lba48 = 0; |
1546 |
|
1547 |
#ifdef DEBUG_IDE
|
1548 |
printf("IDE: write addr=0x%x val=0x%02x\n", addr, val);
|
1549 |
#endif
|
1550 |
|
1551 |
addr &= 7;
|
1552 |
switch(addr) {
|
1553 |
case 0: |
1554 |
break;
|
1555 |
case 1: |
1556 |
ide_clear_hob(ide_if); |
1557 |
/* NOTE: data is written to the two drives */
|
1558 |
ide_if[0].hob_feature = ide_if[0].feature; |
1559 |
ide_if[1].hob_feature = ide_if[1].feature; |
1560 |
ide_if[0].feature = val;
|
1561 |
ide_if[1].feature = val;
|
1562 |
break;
|
1563 |
case 2: |
1564 |
ide_clear_hob(ide_if); |
1565 |
ide_if[0].hob_nsector = ide_if[0].nsector; |
1566 |
ide_if[1].hob_nsector = ide_if[1].nsector; |
1567 |
ide_if[0].nsector = val;
|
1568 |
ide_if[1].nsector = val;
|
1569 |
break;
|
1570 |
case 3: |
1571 |
ide_clear_hob(ide_if); |
1572 |
ide_if[0].hob_sector = ide_if[0].sector; |
1573 |
ide_if[1].hob_sector = ide_if[1].sector; |
1574 |
ide_if[0].sector = val;
|
1575 |
ide_if[1].sector = val;
|
1576 |
break;
|
1577 |
case 4: |
1578 |
ide_clear_hob(ide_if); |
1579 |
ide_if[0].hob_lcyl = ide_if[0].lcyl; |
1580 |
ide_if[1].hob_lcyl = ide_if[1].lcyl; |
1581 |
ide_if[0].lcyl = val;
|
1582 |
ide_if[1].lcyl = val;
|
1583 |
break;
|
1584 |
case 5: |
1585 |
ide_clear_hob(ide_if); |
1586 |
ide_if[0].hob_hcyl = ide_if[0].hcyl; |
1587 |
ide_if[1].hob_hcyl = ide_if[1].hcyl; |
1588 |
ide_if[0].hcyl = val;
|
1589 |
ide_if[1].hcyl = val;
|
1590 |
break;
|
1591 |
case 6: |
1592 |
/* FIXME: HOB readback uses bit 7 */
|
1593 |
ide_if[0].select = (val & ~0x10) | 0xa0; |
1594 |
ide_if[1].select = (val | 0x10) | 0xa0; |
1595 |
/* select drive */
|
1596 |
unit = (val >> 4) & 1; |
1597 |
s = ide_if + unit; |
1598 |
ide_if->cur_drive = s; |
1599 |
break;
|
1600 |
default:
|
1601 |
case 7: |
1602 |
/* command */
|
1603 |
#if defined(DEBUG_IDE)
|
1604 |
printf("ide: CMD=%02x\n", val);
|
1605 |
#endif
|
1606 |
s = ide_if->cur_drive; |
1607 |
/* ignore commands to non existant slave */
|
1608 |
if (s != ide_if && !s->bs)
|
1609 |
break;
|
1610 |
|
1611 |
switch(val) {
|
1612 |
case WIN_IDENTIFY:
|
1613 |
if (s->bs && !s->is_cdrom) {
|
1614 |
ide_identify(s); |
1615 |
s->status = READY_STAT | SEEK_STAT; |
1616 |
ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop);
|
1617 |
} else {
|
1618 |
if (s->is_cdrom) {
|
1619 |
ide_set_signature(s); |
1620 |
} |
1621 |
ide_abort_command(s); |
1622 |
} |
1623 |
ide_set_irq(s); |
1624 |
break;
|
1625 |
case WIN_SPECIFY:
|
1626 |
case WIN_RECAL:
|
1627 |
s->error = 0;
|
1628 |
s->status = READY_STAT | SEEK_STAT; |
1629 |
ide_set_irq(s); |
1630 |
break;
|
1631 |
case WIN_SETMULT:
|
1632 |
if ((s->nsector & 0xff) != 0 && |
1633 |
((s->nsector & 0xff) > MAX_MULT_SECTORS ||
|
1634 |
(s->nsector & (s->nsector - 1)) != 0)) { |
1635 |
ide_abort_command(s); |
1636 |
} else {
|
1637 |
s->mult_sectors = s->nsector & 0xff;
|
1638 |
s->status = READY_STAT; |
1639 |
} |
1640 |
ide_set_irq(s); |
1641 |
break;
|
1642 |
case WIN_VERIFY_EXT:
|
1643 |
lba48 = 1;
|
1644 |
case WIN_VERIFY:
|
1645 |
case WIN_VERIFY_ONCE:
|
1646 |
/* do sector number check ? */
|
1647 |
ide_cmd_lba48_transform(s, lba48); |
1648 |
s->status = READY_STAT; |
1649 |
ide_set_irq(s); |
1650 |
break;
|
1651 |
case WIN_READ_EXT:
|
1652 |
lba48 = 1;
|
1653 |
case WIN_READ:
|
1654 |
case WIN_READ_ONCE:
|
1655 |
if (!s->bs)
|
1656 |
goto abort_cmd;
|
1657 |
ide_cmd_lba48_transform(s, lba48); |
1658 |
s->req_nb_sectors = 1;
|
1659 |
ide_sector_read(s); |
1660 |
break;
|
1661 |
case WIN_WRITE_EXT:
|
1662 |
lba48 = 1;
|
1663 |
case WIN_WRITE:
|
1664 |
case WIN_WRITE_ONCE:
|
1665 |
ide_cmd_lba48_transform(s, lba48); |
1666 |
s->error = 0;
|
1667 |
s->status = SEEK_STAT | READY_STAT; |
1668 |
s->req_nb_sectors = 1;
|
1669 |
ide_transfer_start(s, s->io_buffer, 512, ide_sector_write);
|
1670 |
break;
|
1671 |
case WIN_MULTREAD_EXT:
|
1672 |
lba48 = 1;
|
1673 |
case WIN_MULTREAD:
|
1674 |
if (!s->mult_sectors)
|
1675 |
goto abort_cmd;
|
1676 |
ide_cmd_lba48_transform(s, lba48); |
1677 |
s->req_nb_sectors = s->mult_sectors; |
1678 |
ide_sector_read(s); |
1679 |
break;
|
1680 |
case WIN_MULTWRITE_EXT:
|
1681 |
lba48 = 1;
|
1682 |
case WIN_MULTWRITE:
|
1683 |
if (!s->mult_sectors)
|
1684 |
goto abort_cmd;
|
1685 |
ide_cmd_lba48_transform(s, lba48); |
1686 |
s->error = 0;
|
1687 |
s->status = SEEK_STAT | READY_STAT; |
1688 |
s->req_nb_sectors = s->mult_sectors; |
1689 |
n = s->nsector; |
1690 |
if (n > s->req_nb_sectors)
|
1691 |
n = s->req_nb_sectors; |
1692 |
ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_write);
|
1693 |
break;
|
1694 |
case WIN_READDMA_EXT:
|
1695 |
lba48 = 1;
|
1696 |
case WIN_READDMA:
|
1697 |
case WIN_READDMA_ONCE:
|
1698 |
if (!s->bs)
|
1699 |
goto abort_cmd;
|
1700 |
ide_cmd_lba48_transform(s, lba48); |
1701 |
ide_sector_read_dma(s); |
1702 |
break;
|
1703 |
case WIN_WRITEDMA_EXT:
|
1704 |
lba48 = 1;
|
1705 |
case WIN_WRITEDMA:
|
1706 |
case WIN_WRITEDMA_ONCE:
|
1707 |
if (!s->bs)
|
1708 |
goto abort_cmd;
|
1709 |
ide_cmd_lba48_transform(s, lba48); |
1710 |
ide_sector_write_dma(s); |
1711 |
break;
|
1712 |
case WIN_READ_NATIVE_MAX_EXT:
|
1713 |
lba48 = 1;
|
1714 |
case WIN_READ_NATIVE_MAX:
|
1715 |
ide_cmd_lba48_transform(s, lba48); |
1716 |
ide_set_sector(s, s->nb_sectors - 1);
|
1717 |
s->status = READY_STAT; |
1718 |
ide_set_irq(s); |
1719 |
break;
|
1720 |
case WIN_CHECKPOWERMODE1:
|
1721 |
s->nsector = 0xff; /* device active or idle */ |
1722 |
s->status = READY_STAT; |
1723 |
ide_set_irq(s); |
1724 |
break;
|
1725 |
case WIN_SETFEATURES:
|
1726 |
if (!s->bs)
|
1727 |
goto abort_cmd;
|
1728 |
/* XXX: valid for CDROM ? */
|
1729 |
switch(s->feature) {
|
1730 |
case 0xcc: /* reverting to power-on defaults enable */ |
1731 |
case 0x66: /* reverting to power-on defaults disable */ |
1732 |
case 0x02: /* write cache enable */ |
1733 |
case 0x82: /* write cache disable */ |
1734 |
case 0xaa: /* read look-ahead enable */ |
1735 |
case 0x55: /* read look-ahead disable */ |
1736 |
s->status = READY_STAT | SEEK_STAT; |
1737 |
ide_set_irq(s); |
1738 |
break;
|
1739 |
case 0x03: { /* set transfer mode */ |
1740 |
uint8_t val = s->nsector & 0x07;
|
1741 |
|
1742 |
switch (s->nsector >> 3) { |
1743 |
case 0x00: /* pio default */ |
1744 |
case 0x01: /* pio mode */ |
1745 |
put_le16(s->identify_data + 63,0x07); |
1746 |
put_le16(s->identify_data + 88,0x3f); |
1747 |
break;
|
1748 |
case 0x04: /* mdma mode */ |
1749 |
put_le16(s->identify_data + 63,0x07 | (1 << (val + 8))); |
1750 |
put_le16(s->identify_data + 88,0x3f); |
1751 |
break;
|
1752 |
case 0x08: /* udma mode */ |
1753 |
put_le16(s->identify_data + 63,0x07); |
1754 |
put_le16(s->identify_data + 88,0x3f | (1 << (val + 8))); |
1755 |
break;
|
1756 |
default:
|
1757 |
goto abort_cmd;
|
1758 |
} |
1759 |
s->status = READY_STAT | SEEK_STAT; |
1760 |
ide_set_irq(s); |
1761 |
break;
|
1762 |
} |
1763 |
default:
|
1764 |
goto abort_cmd;
|
1765 |
} |
1766 |
break;
|
1767 |
case WIN_FLUSH_CACHE:
|
1768 |
case WIN_FLUSH_CACHE_EXT:
|
1769 |
if (s->bs)
|
1770 |
bdrv_flush(s->bs); |
1771 |
s->status = READY_STAT; |
1772 |
ide_set_irq(s); |
1773 |
break;
|
1774 |
case WIN_STANDBYNOW1:
|
1775 |
case WIN_IDLEIMMEDIATE:
|
1776 |
s->status = READY_STAT; |
1777 |
ide_set_irq(s); |
1778 |
break;
|
1779 |
/* ATAPI commands */
|
1780 |
case WIN_PIDENTIFY:
|
1781 |
if (s->is_cdrom) {
|
1782 |
ide_atapi_identify(s); |
1783 |
s->status = READY_STAT | SEEK_STAT; |
1784 |
ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop);
|
1785 |
} else {
|
1786 |
ide_abort_command(s); |
1787 |
} |
1788 |
ide_set_irq(s); |
1789 |
break;
|
1790 |
case WIN_DIAGNOSE:
|
1791 |
ide_set_signature(s); |
1792 |
s->status = 0x00; /* NOTE: READY is _not_ set */ |
1793 |
s->error = 0x01;
|
1794 |
break;
|
1795 |
case WIN_SRST:
|
1796 |
if (!s->is_cdrom)
|
1797 |
goto abort_cmd;
|
1798 |
ide_set_signature(s); |
1799 |
s->status = 0x00; /* NOTE: READY is _not_ set */ |
1800 |
s->error = 0x01;
|
1801 |
break;
|
1802 |
case WIN_PACKETCMD:
|
1803 |
if (!s->is_cdrom)
|
1804 |
goto abort_cmd;
|
1805 |
/* overlapping commands not supported */
|
1806 |
if (s->feature & 0x02) |
1807 |
goto abort_cmd;
|
1808 |
s->atapi_dma = s->feature & 1;
|
1809 |
s->nsector = 1;
|
1810 |
ide_transfer_start(s, s->io_buffer, ATAPI_PACKET_SIZE, |
1811 |
ide_atapi_cmd); |
1812 |
break;
|
1813 |
default:
|
1814 |
abort_cmd:
|
1815 |
ide_abort_command(s); |
1816 |
ide_set_irq(s); |
1817 |
break;
|
1818 |
} |
1819 |
} |
1820 |
} |
1821 |
|
1822 |
static uint32_t ide_ioport_read(void *opaque, uint32_t addr1) |
1823 |
{ |
1824 |
IDEState *ide_if = opaque; |
1825 |
IDEState *s = ide_if->cur_drive; |
1826 |
uint32_t addr; |
1827 |
int ret, hob;
|
1828 |
|
1829 |
addr = addr1 & 7;
|
1830 |
/* FIXME: HOB readback uses bit 7, but it's always set right now */
|
1831 |
//hob = s->select & (1 << 7);
|
1832 |
hob = 0;
|
1833 |
switch(addr) {
|
1834 |
case 0: |
1835 |
ret = 0xff;
|
1836 |
break;
|
1837 |
case 1: |
1838 |
if (!ide_if[0].bs && !ide_if[1].bs) |
1839 |
ret = 0;
|
1840 |
else if (!hob) |
1841 |
ret = s->error; |
1842 |
else
|
1843 |
ret = s->hob_feature; |
1844 |
break;
|
1845 |
case 2: |
1846 |
if (!ide_if[0].bs && !ide_if[1].bs) |
1847 |
ret = 0;
|
1848 |
else if (!hob) |
1849 |
ret = s->nsector & 0xff;
|
1850 |
else
|
1851 |
ret = s->hob_nsector; |
1852 |
break;
|
1853 |
case 3: |
1854 |
if (!ide_if[0].bs && !ide_if[1].bs) |
1855 |
ret = 0;
|
1856 |
else if (!hob) |
1857 |
ret = s->sector; |
1858 |
else
|
1859 |
ret = s->hob_sector; |
1860 |
break;
|
1861 |
case 4: |
1862 |
if (!ide_if[0].bs && !ide_if[1].bs) |
1863 |
ret = 0;
|
1864 |
else if (!hob) |
1865 |
ret = s->lcyl; |
1866 |
else
|
1867 |
ret = s->hob_lcyl; |
1868 |
break;
|
1869 |
case 5: |
1870 |
if (!ide_if[0].bs && !ide_if[1].bs) |
1871 |
ret = 0;
|
1872 |
else if (!hob) |
1873 |
ret = s->hcyl; |
1874 |
else
|
1875 |
ret = s->hob_hcyl; |
1876 |
break;
|
1877 |
case 6: |
1878 |
if (!ide_if[0].bs && !ide_if[1].bs) |
1879 |
ret = 0;
|
1880 |
else
|
1881 |
ret = s->select; |
1882 |
break;
|
1883 |
default:
|
1884 |
case 7: |
1885 |
if ((!ide_if[0].bs && !ide_if[1].bs) || |
1886 |
(s != ide_if && !s->bs)) |
1887 |
ret = 0;
|
1888 |
else
|
1889 |
ret = s->status; |
1890 |
qemu_irq_lower(s->irq); |
1891 |
break;
|
1892 |
} |
1893 |
#ifdef DEBUG_IDE
|
1894 |
printf("ide: read addr=0x%x val=%02x\n", addr1, ret);
|
1895 |
#endif
|
1896 |
return ret;
|
1897 |
} |
1898 |
|
1899 |
static uint32_t ide_status_read(void *opaque, uint32_t addr) |
1900 |
{ |
1901 |
IDEState *ide_if = opaque; |
1902 |
IDEState *s = ide_if->cur_drive; |
1903 |
int ret;
|
1904 |
|
1905 |
if ((!ide_if[0].bs && !ide_if[1].bs) || |
1906 |
(s != ide_if && !s->bs)) |
1907 |
ret = 0;
|
1908 |
else
|
1909 |
ret = s->status; |
1910 |
#ifdef DEBUG_IDE
|
1911 |
printf("ide: read status addr=0x%x val=%02x\n", addr, ret);
|
1912 |
#endif
|
1913 |
return ret;
|
1914 |
} |
1915 |
|
1916 |
static void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val) |
1917 |
{ |
1918 |
IDEState *ide_if = opaque; |
1919 |
IDEState *s; |
1920 |
int i;
|
1921 |
|
1922 |
#ifdef DEBUG_IDE
|
1923 |
printf("ide: write control addr=0x%x val=%02x\n", addr, val);
|
1924 |
#endif
|
1925 |
/* common for both drives */
|
1926 |
if (!(ide_if[0].cmd & IDE_CMD_RESET) && |
1927 |
(val & IDE_CMD_RESET)) { |
1928 |
/* reset low to high */
|
1929 |
for(i = 0;i < 2; i++) { |
1930 |
s = &ide_if[i]; |
1931 |
s->status = BUSY_STAT | SEEK_STAT; |
1932 |
s->error = 0x01;
|
1933 |
} |
1934 |
} else if ((ide_if[0].cmd & IDE_CMD_RESET) && |
1935 |
!(val & IDE_CMD_RESET)) { |
1936 |
/* high to low */
|
1937 |
for(i = 0;i < 2; i++) { |
1938 |
s = &ide_if[i]; |
1939 |
if (s->is_cdrom)
|
1940 |
s->status = 0x00; /* NOTE: READY is _not_ set */ |
1941 |
else
|
1942 |
s->status = READY_STAT | SEEK_STAT; |
1943 |
ide_set_signature(s); |
1944 |
} |
1945 |
} |
1946 |
|
1947 |
ide_if[0].cmd = val;
|
1948 |
ide_if[1].cmd = val;
|
1949 |
} |
1950 |
|
1951 |
static void ide_data_writew(void *opaque, uint32_t addr, uint32_t val) |
1952 |
{ |
1953 |
IDEState *s = ((IDEState *)opaque)->cur_drive; |
1954 |
uint8_t *p; |
1955 |
|
1956 |
p = s->data_ptr; |
1957 |
*(uint16_t *)p = le16_to_cpu(val); |
1958 |
p += 2;
|
1959 |
s->data_ptr = p; |
1960 |
if (p >= s->data_end)
|
1961 |
s->end_transfer_func(s); |
1962 |
} |
1963 |
|
1964 |
static uint32_t ide_data_readw(void *opaque, uint32_t addr) |
1965 |
{ |
1966 |
IDEState *s = ((IDEState *)opaque)->cur_drive; |
1967 |
uint8_t *p; |
1968 |
int ret;
|
1969 |
p = s->data_ptr; |
1970 |
ret = cpu_to_le16(*(uint16_t *)p); |
1971 |
p += 2;
|
1972 |
s->data_ptr = p; |
1973 |
if (p >= s->data_end)
|
1974 |
s->end_transfer_func(s); |
1975 |
return ret;
|
1976 |
} |
1977 |
|
1978 |
static void ide_data_writel(void *opaque, uint32_t addr, uint32_t val) |
1979 |
{ |
1980 |
IDEState *s = ((IDEState *)opaque)->cur_drive; |
1981 |
uint8_t *p; |
1982 |
|
1983 |
p = s->data_ptr; |
1984 |
*(uint32_t *)p = le32_to_cpu(val); |
1985 |
p += 4;
|
1986 |
s->data_ptr = p; |
1987 |
if (p >= s->data_end)
|
1988 |
s->end_transfer_func(s); |
1989 |
} |
1990 |
|
1991 |
static uint32_t ide_data_readl(void *opaque, uint32_t addr) |
1992 |
{ |
1993 |
IDEState *s = ((IDEState *)opaque)->cur_drive; |
1994 |
uint8_t *p; |
1995 |
int ret;
|
1996 |
|
1997 |
p = s->data_ptr; |
1998 |
ret = cpu_to_le32(*(uint32_t *)p); |
1999 |
p += 4;
|
2000 |
s->data_ptr = p; |
2001 |
if (p >= s->data_end)
|
2002 |
s->end_transfer_func(s); |
2003 |
return ret;
|
2004 |
} |
2005 |
|
2006 |
static void ide_dummy_transfer_stop(IDEState *s) |
2007 |
{ |
2008 |
s->data_ptr = s->io_buffer; |
2009 |
s->data_end = s->io_buffer; |
2010 |
s->io_buffer[0] = 0xff; |
2011 |
s->io_buffer[1] = 0xff; |
2012 |
s->io_buffer[2] = 0xff; |
2013 |
s->io_buffer[3] = 0xff; |
2014 |
} |
2015 |
|
2016 |
static void ide_reset(IDEState *s) |
2017 |
{ |
2018 |
s->mult_sectors = MAX_MULT_SECTORS; |
2019 |
s->cur_drive = s; |
2020 |
s->select = 0xa0;
|
2021 |
s->status = READY_STAT; |
2022 |
ide_set_signature(s); |
2023 |
/* init the transfer handler so that 0xffff is returned on data
|
2024 |
accesses */
|
2025 |
s->end_transfer_func = ide_dummy_transfer_stop; |
2026 |
ide_dummy_transfer_stop(s); |
2027 |
} |
2028 |
|
2029 |
struct partition {
|
2030 |
uint8_t boot_ind; /* 0x80 - active */
|
2031 |
uint8_t head; /* starting head */
|
2032 |
uint8_t sector; /* starting sector */
|
2033 |
uint8_t cyl; /* starting cylinder */
|
2034 |
uint8_t sys_ind; /* What partition type */
|
2035 |
uint8_t end_head; /* end head */
|
2036 |
uint8_t end_sector; /* end sector */
|
2037 |
uint8_t end_cyl; /* end cylinder */
|
2038 |
uint32_t start_sect; /* starting sector counting from 0 */
|
2039 |
uint32_t nr_sects; /* nr of sectors in partition */
|
2040 |
} __attribute__((packed)); |
2041 |
|
2042 |
/* try to guess the disk logical geometry from the MSDOS partition table. Return 0 if OK, -1 if could not guess */
|
2043 |
static int guess_disk_lchs(IDEState *s, |
2044 |
int *pcylinders, int *pheads, int *psectors) |
2045 |
{ |
2046 |
uint8_t buf[512];
|
2047 |
int ret, i, heads, sectors, cylinders;
|
2048 |
struct partition *p;
|
2049 |
uint32_t nr_sects; |
2050 |
|
2051 |
ret = bdrv_read(s->bs, 0, buf, 1); |
2052 |
if (ret < 0) |
2053 |
return -1; |
2054 |
/* test msdos magic */
|
2055 |
if (buf[510] != 0x55 || buf[511] != 0xaa) |
2056 |
return -1; |
2057 |
for(i = 0; i < 4; i++) { |
2058 |
p = ((struct partition *)(buf + 0x1be)) + i; |
2059 |
nr_sects = le32_to_cpu(p->nr_sects); |
2060 |
if (nr_sects && p->end_head) {
|
2061 |
/* We make the assumption that the partition terminates on
|
2062 |
a cylinder boundary */
|
2063 |
heads = p->end_head + 1;
|
2064 |
sectors = p->end_sector & 63;
|
2065 |
if (sectors == 0) |
2066 |
continue;
|
2067 |
cylinders = s->nb_sectors / (heads * sectors); |
2068 |
if (cylinders < 1 || cylinders > 16383) |
2069 |
continue;
|
2070 |
*pheads = heads; |
2071 |
*psectors = sectors; |
2072 |
*pcylinders = cylinders; |
2073 |
#if 0
|
2074 |
printf("guessed geometry: LCHS=%d %d %d\n",
|
2075 |
cylinders, heads, sectors);
|
2076 |
#endif
|
2077 |
return 0; |
2078 |
} |
2079 |
} |
2080 |
return -1; |
2081 |
} |
2082 |
|
2083 |
static void ide_init2(IDEState *ide_state, |
2084 |
BlockDriverState *hd0, BlockDriverState *hd1, |
2085 |
qemu_irq irq) |
2086 |
{ |
2087 |
IDEState *s; |
2088 |
static int drive_serial = 1; |
2089 |
int i, cylinders, heads, secs, translation, lba_detected = 0; |
2090 |
int64_t nb_sectors; |
2091 |
|
2092 |
for(i = 0; i < 2; i++) { |
2093 |
s = ide_state + i; |
2094 |
if (i == 0) |
2095 |
s->bs = hd0; |
2096 |
else
|
2097 |
s->bs = hd1; |
2098 |
if (s->bs) {
|
2099 |
bdrv_get_geometry(s->bs, &nb_sectors); |
2100 |
s->nb_sectors = nb_sectors; |
2101 |
/* if a geometry hint is available, use it */
|
2102 |
bdrv_get_geometry_hint(s->bs, &cylinders, &heads, &secs); |
2103 |
translation = bdrv_get_translation_hint(s->bs); |
2104 |
if (cylinders != 0) { |
2105 |
s->cylinders = cylinders; |
2106 |
s->heads = heads; |
2107 |
s->sectors = secs; |
2108 |
} else {
|
2109 |
if (guess_disk_lchs(s, &cylinders, &heads, &secs) == 0) { |
2110 |
if (heads > 16) { |
2111 |
/* if heads > 16, it means that a BIOS LBA
|
2112 |
translation was active, so the default
|
2113 |
hardware geometry is OK */
|
2114 |
lba_detected = 1;
|
2115 |
goto default_geometry;
|
2116 |
} else {
|
2117 |
s->cylinders = cylinders; |
2118 |
s->heads = heads; |
2119 |
s->sectors = secs; |
2120 |
/* disable any translation to be in sync with
|
2121 |
the logical geometry */
|
2122 |
if (translation == BIOS_ATA_TRANSLATION_AUTO) {
|
2123 |
bdrv_set_translation_hint(s->bs, |
2124 |
BIOS_ATA_TRANSLATION_NONE); |
2125 |
} |
2126 |
} |
2127 |
} else {
|
2128 |
default_geometry:
|
2129 |
/* if no geometry, use a standard physical disk geometry */
|
2130 |
cylinders = nb_sectors / (16 * 63); |
2131 |
if (cylinders > 16383) |
2132 |
cylinders = 16383;
|
2133 |
else if (cylinders < 2) |
2134 |
cylinders = 2;
|
2135 |
s->cylinders = cylinders; |
2136 |
s->heads = 16;
|
2137 |
s->sectors = 63;
|
2138 |
if ((lba_detected == 1) && (translation == BIOS_ATA_TRANSLATION_AUTO)) { |
2139 |
if ((s->cylinders * s->heads) <= 131072) { |
2140 |
bdrv_set_translation_hint(s->bs, |
2141 |
BIOS_ATA_TRANSLATION_LARGE); |
2142 |
} else {
|
2143 |
bdrv_set_translation_hint(s->bs, |
2144 |
BIOS_ATA_TRANSLATION_LBA); |
2145 |
} |
2146 |
} |
2147 |
} |
2148 |
bdrv_set_geometry_hint(s->bs, s->cylinders, s->heads, s->sectors); |
2149 |
} |
2150 |
if (bdrv_get_type_hint(s->bs) == BDRV_TYPE_CDROM) {
|
2151 |
s->is_cdrom = 1;
|
2152 |
bdrv_set_change_cb(s->bs, cdrom_change_cb, s); |
2153 |
} |
2154 |
} |
2155 |
s->drive_serial = drive_serial++; |
2156 |
s->irq = irq; |
2157 |
s->sector_write_timer = qemu_new_timer(vm_clock, |
2158 |
ide_sector_write_timer_cb, s); |
2159 |
ide_reset(s); |
2160 |
} |
2161 |
} |
2162 |
|
2163 |
static void ide_init_ioport(IDEState *ide_state, int iobase, int iobase2) |
2164 |
{ |
2165 |
register_ioport_write(iobase, 8, 1, ide_ioport_write, ide_state); |
2166 |
register_ioport_read(iobase, 8, 1, ide_ioport_read, ide_state); |
2167 |
if (iobase2) {
|
2168 |
register_ioport_read(iobase2, 1, 1, ide_status_read, ide_state); |
2169 |
register_ioport_write(iobase2, 1, 1, ide_cmd_write, ide_state); |
2170 |
} |
2171 |
|
2172 |
/* data ports */
|
2173 |
register_ioport_write(iobase, 2, 2, ide_data_writew, ide_state); |
2174 |
register_ioport_read(iobase, 2, 2, ide_data_readw, ide_state); |
2175 |
register_ioport_write(iobase, 4, 4, ide_data_writel, ide_state); |
2176 |
register_ioport_read(iobase, 4, 4, ide_data_readl, ide_state); |
2177 |
} |
2178 |
|
2179 |
/***********************************************************/
|
2180 |
/* ISA IDE definitions */
|
2181 |
|
2182 |
void isa_ide_init(int iobase, int iobase2, qemu_irq irq, |
2183 |
BlockDriverState *hd0, BlockDriverState *hd1) |
2184 |
{ |
2185 |
IDEState *ide_state; |
2186 |
|
2187 |
ide_state = qemu_mallocz(sizeof(IDEState) * 2); |
2188 |
if (!ide_state)
|
2189 |
return;
|
2190 |
|
2191 |
ide_init2(ide_state, hd0, hd1, irq); |
2192 |
ide_init_ioport(ide_state, iobase, iobase2); |
2193 |
} |
2194 |
|
2195 |
/***********************************************************/
|
2196 |
/* PCI IDE definitions */
|
2197 |
|
2198 |
static void cmd646_update_irq(PCIIDEState *d); |
2199 |
|
2200 |
static void ide_map(PCIDevice *pci_dev, int region_num, |
2201 |
uint32_t addr, uint32_t size, int type)
|
2202 |
{ |
2203 |
PCIIDEState *d = (PCIIDEState *)pci_dev; |
2204 |
IDEState *ide_state; |
2205 |
|
2206 |
if (region_num <= 3) { |
2207 |
ide_state = &d->ide_if[(region_num >> 1) * 2]; |
2208 |
if (region_num & 1) { |
2209 |
register_ioport_read(addr + 2, 1, 1, ide_status_read, ide_state); |
2210 |
register_ioport_write(addr + 2, 1, 1, ide_cmd_write, ide_state); |
2211 |
} else {
|
2212 |
register_ioport_write(addr, 8, 1, ide_ioport_write, ide_state); |
2213 |
register_ioport_read(addr, 8, 1, ide_ioport_read, ide_state); |
2214 |
|
2215 |
/* data ports */
|
2216 |
register_ioport_write(addr, 2, 2, ide_data_writew, ide_state); |
2217 |
register_ioport_read(addr, 2, 2, ide_data_readw, ide_state); |
2218 |
register_ioport_write(addr, 4, 4, ide_data_writel, ide_state); |
2219 |
register_ioport_read(addr, 4, 4, ide_data_readl, ide_state); |
2220 |
} |
2221 |
} |
2222 |
} |
2223 |
|
2224 |
static void ide_dma_start(IDEState *s, BlockDriverCompletionFunc *dma_cb) |
2225 |
{ |
2226 |
BMDMAState *bm = s->bmdma; |
2227 |
if(!bm)
|
2228 |
return;
|
2229 |
bm->ide_if = s; |
2230 |
bm->dma_cb = dma_cb; |
2231 |
bm->cur_prd_last = 0;
|
2232 |
bm->cur_prd_addr = 0;
|
2233 |
bm->cur_prd_len = 0;
|
2234 |
if (bm->status & BM_STATUS_DMAING) {
|
2235 |
bm->dma_cb(bm, 0);
|
2236 |
} |
2237 |
} |
2238 |
|
2239 |
static void bmdma_cmd_writeb(void *opaque, uint32_t addr, uint32_t val) |
2240 |
{ |
2241 |
BMDMAState *bm = opaque; |
2242 |
#ifdef DEBUG_IDE
|
2243 |
printf("%s: 0x%08x\n", __func__, val);
|
2244 |
#endif
|
2245 |
if (!(val & BM_CMD_START)) {
|
2246 |
/* XXX: do it better */
|
2247 |
if (bm->status & BM_STATUS_DMAING) {
|
2248 |
bm->status &= ~BM_STATUS_DMAING; |
2249 |
/* cancel DMA request */
|
2250 |
bm->ide_if = NULL;
|
2251 |
bm->dma_cb = NULL;
|
2252 |
if (bm->aiocb) {
|
2253 |
#ifdef DEBUG_AIO
|
2254 |
printf("aio_cancel\n");
|
2255 |
#endif
|
2256 |
bdrv_aio_cancel(bm->aiocb); |
2257 |
bm->aiocb = NULL;
|
2258 |
} |
2259 |
} |
2260 |
bm->cmd = val & 0x09;
|
2261 |
} else {
|
2262 |
if (!(bm->status & BM_STATUS_DMAING)) {
|
2263 |
bm->status |= BM_STATUS_DMAING; |
2264 |
/* start dma transfer if possible */
|
2265 |
if (bm->dma_cb)
|
2266 |
bm->dma_cb(bm, 0);
|
2267 |
} |
2268 |
bm->cmd = val & 0x09;
|
2269 |
} |
2270 |
} |
2271 |
|
2272 |
static uint32_t bmdma_readb(void *opaque, uint32_t addr) |
2273 |
{ |
2274 |
BMDMAState *bm = opaque; |
2275 |
PCIIDEState *pci_dev; |
2276 |
uint32_t val; |
2277 |
|
2278 |
switch(addr & 3) { |
2279 |
case 0: |
2280 |
val = bm->cmd; |
2281 |
break;
|
2282 |
case 1: |
2283 |
pci_dev = bm->pci_dev; |
2284 |
if (pci_dev->type == IDE_TYPE_CMD646) {
|
2285 |
val = pci_dev->dev.config[MRDMODE]; |
2286 |
} else {
|
2287 |
val = 0xff;
|
2288 |
} |
2289 |
break;
|
2290 |
case 2: |
2291 |
val = bm->status; |
2292 |
break;
|
2293 |
case 3: |
2294 |
pci_dev = bm->pci_dev; |
2295 |
if (pci_dev->type == IDE_TYPE_CMD646) {
|
2296 |
if (bm == &pci_dev->bmdma[0]) |
2297 |
val = pci_dev->dev.config[UDIDETCR0]; |
2298 |
else
|
2299 |
val = pci_dev->dev.config[UDIDETCR1]; |
2300 |
} else {
|
2301 |
val = 0xff;
|
2302 |
} |
2303 |
break;
|
2304 |
default:
|
2305 |
val = 0xff;
|
2306 |
break;
|
2307 |
} |
2308 |
#ifdef DEBUG_IDE
|
2309 |
printf("bmdma: readb 0x%02x : 0x%02x\n", addr, val);
|
2310 |
#endif
|
2311 |
return val;
|
2312 |
} |
2313 |
|
2314 |
static void bmdma_writeb(void *opaque, uint32_t addr, uint32_t val) |
2315 |
{ |
2316 |
BMDMAState *bm = opaque; |
2317 |
PCIIDEState *pci_dev; |
2318 |
#ifdef DEBUG_IDE
|
2319 |
printf("bmdma: writeb 0x%02x : 0x%02x\n", addr, val);
|
2320 |
#endif
|
2321 |
switch(addr & 3) { |
2322 |
case 1: |
2323 |
pci_dev = bm->pci_dev; |
2324 |
if (pci_dev->type == IDE_TYPE_CMD646) {
|
2325 |
pci_dev->dev.config[MRDMODE] = |
2326 |
(pci_dev->dev.config[MRDMODE] & ~0x30) | (val & 0x30); |
2327 |
cmd646_update_irq(pci_dev); |
2328 |
} |
2329 |
break;
|
2330 |
case 2: |
2331 |
bm->status = (val & 0x60) | (bm->status & 1) | (bm->status & ~val & 0x06); |
2332 |
break;
|
2333 |
case 3: |
2334 |
pci_dev = bm->pci_dev; |
2335 |
if (pci_dev->type == IDE_TYPE_CMD646) {
|
2336 |
if (bm == &pci_dev->bmdma[0]) |
2337 |
pci_dev->dev.config[UDIDETCR0] = val; |
2338 |
else
|
2339 |
pci_dev->dev.config[UDIDETCR1] = val; |
2340 |
} |
2341 |
break;
|
2342 |
} |
2343 |
} |
2344 |
|
2345 |
static uint32_t bmdma_addr_readl(void *opaque, uint32_t addr) |
2346 |
{ |
2347 |
BMDMAState *bm = opaque; |
2348 |
uint32_t val; |
2349 |
val = bm->addr; |
2350 |
#ifdef DEBUG_IDE
|
2351 |
printf("%s: 0x%08x\n", __func__, val);
|
2352 |
#endif
|
2353 |
return val;
|
2354 |
} |
2355 |
|
2356 |
static void bmdma_addr_writel(void *opaque, uint32_t addr, uint32_t val) |
2357 |
{ |
2358 |
BMDMAState *bm = opaque; |
2359 |
#ifdef DEBUG_IDE
|
2360 |
printf("%s: 0x%08x\n", __func__, val);
|
2361 |
#endif
|
2362 |
bm->addr = val & ~3;
|
2363 |
bm->cur_addr = bm->addr; |
2364 |
} |
2365 |
|
2366 |
static void bmdma_map(PCIDevice *pci_dev, int region_num, |
2367 |
uint32_t addr, uint32_t size, int type)
|
2368 |
{ |
2369 |
PCIIDEState *d = (PCIIDEState *)pci_dev; |
2370 |
int i;
|
2371 |
|
2372 |
for(i = 0;i < 2; i++) { |
2373 |
BMDMAState *bm = &d->bmdma[i]; |
2374 |
d->ide_if[2 * i].bmdma = bm;
|
2375 |
d->ide_if[2 * i + 1].bmdma = bm; |
2376 |
bm->pci_dev = (PCIIDEState *)pci_dev; |
2377 |
|
2378 |
register_ioport_write(addr, 1, 1, bmdma_cmd_writeb, bm); |
2379 |
|
2380 |
register_ioport_write(addr + 1, 3, 1, bmdma_writeb, bm); |
2381 |
register_ioport_read(addr, 4, 1, bmdma_readb, bm); |
2382 |
|
2383 |
register_ioport_write(addr + 4, 4, 4, bmdma_addr_writel, bm); |
2384 |
register_ioport_read(addr + 4, 4, 4, bmdma_addr_readl, bm); |
2385 |
addr += 8;
|
2386 |
} |
2387 |
} |
2388 |
|
2389 |
/* XXX: call it also when the MRDMODE is changed from the PCI config
|
2390 |
registers */
|
2391 |
static void cmd646_update_irq(PCIIDEState *d) |
2392 |
{ |
2393 |
int pci_level;
|
2394 |
pci_level = ((d->dev.config[MRDMODE] & MRDMODE_INTR_CH0) && |
2395 |
!(d->dev.config[MRDMODE] & MRDMODE_BLK_CH0)) || |
2396 |
((d->dev.config[MRDMODE] & MRDMODE_INTR_CH1) && |
2397 |
!(d->dev.config[MRDMODE] & MRDMODE_BLK_CH1)); |
2398 |
qemu_set_irq(d->dev.irq[0], pci_level);
|
2399 |
} |
2400 |
|
2401 |
/* the PCI irq level is the logical OR of the two channels */
|
2402 |
static void cmd646_set_irq(void *opaque, int channel, int level) |
2403 |
{ |
2404 |
PCIIDEState *d = opaque; |
2405 |
int irq_mask;
|
2406 |
|
2407 |
irq_mask = MRDMODE_INTR_CH0 << channel; |
2408 |
if (level)
|
2409 |
d->dev.config[MRDMODE] |= irq_mask; |
2410 |
else
|
2411 |
d->dev.config[MRDMODE] &= ~irq_mask; |
2412 |
cmd646_update_irq(d); |
2413 |
} |
2414 |
|
2415 |
/* CMD646 PCI IDE controller */
|
2416 |
void pci_cmd646_ide_init(PCIBus *bus, BlockDriverState **hd_table,
|
2417 |
int secondary_ide_enabled)
|
2418 |
{ |
2419 |
PCIIDEState *d; |
2420 |
uint8_t *pci_conf; |
2421 |
int i;
|
2422 |
qemu_irq *irq; |
2423 |
|
2424 |
d = (PCIIDEState *)pci_register_device(bus, "CMD646 IDE",
|
2425 |
sizeof(PCIIDEState),
|
2426 |
-1,
|
2427 |
NULL, NULL); |
2428 |
d->type = IDE_TYPE_CMD646; |
2429 |
pci_conf = d->dev.config; |
2430 |
pci_conf[0x00] = 0x95; // CMD646 |
2431 |
pci_conf[0x01] = 0x10; |
2432 |
pci_conf[0x02] = 0x46; |
2433 |
pci_conf[0x03] = 0x06; |
2434 |
|
2435 |
pci_conf[0x08] = 0x07; // IDE controller revision |
2436 |
pci_conf[0x09] = 0x8f; |
2437 |
|
2438 |
pci_conf[0x0a] = 0x01; // class_sub = PCI_IDE |
2439 |
pci_conf[0x0b] = 0x01; // class_base = PCI_mass_storage |
2440 |
pci_conf[0x0e] = 0x00; // header_type |
2441 |
|
2442 |
if (secondary_ide_enabled) {
|
2443 |
/* XXX: if not enabled, really disable the seconday IDE controller */
|
2444 |
pci_conf[0x51] = 0x80; /* enable IDE1 */ |
2445 |
} |
2446 |
|
2447 |
pci_register_io_region((PCIDevice *)d, 0, 0x8, |
2448 |
PCI_ADDRESS_SPACE_IO, ide_map); |
2449 |
pci_register_io_region((PCIDevice *)d, 1, 0x4, |
2450 |
PCI_ADDRESS_SPACE_IO, ide_map); |
2451 |
pci_register_io_region((PCIDevice *)d, 2, 0x8, |
2452 |
PCI_ADDRESS_SPACE_IO, ide_map); |
2453 |
pci_register_io_region((PCIDevice *)d, 3, 0x4, |
2454 |
PCI_ADDRESS_SPACE_IO, ide_map); |
2455 |
pci_register_io_region((PCIDevice *)d, 4, 0x10, |
2456 |
PCI_ADDRESS_SPACE_IO, bmdma_map); |
2457 |
|
2458 |
pci_conf[0x3d] = 0x01; // interrupt on pin 1 |
2459 |
|
2460 |
for(i = 0; i < 4; i++) |
2461 |
d->ide_if[i].pci_dev = (PCIDevice *)d; |
2462 |
|
2463 |
irq = qemu_allocate_irqs(cmd646_set_irq, d, 2);
|
2464 |
ide_init2(&d->ide_if[0], hd_table[0], hd_table[1], irq[0]); |
2465 |
ide_init2(&d->ide_if[2], hd_table[2], hd_table[3], irq[1]); |
2466 |
} |
2467 |
|
2468 |
static void pci_ide_save(QEMUFile* f, void *opaque) |
2469 |
{ |
2470 |
PCIIDEState *d = opaque; |
2471 |
int i;
|
2472 |
|
2473 |
pci_device_save(&d->dev, f); |
2474 |
|
2475 |
for(i = 0; i < 2; i++) { |
2476 |
BMDMAState *bm = &d->bmdma[i]; |
2477 |
qemu_put_8s(f, &bm->cmd); |
2478 |
qemu_put_8s(f, &bm->status); |
2479 |
qemu_put_be32s(f, &bm->addr); |
2480 |
/* XXX: if a transfer is pending, we do not save it yet */
|
2481 |
} |
2482 |
|
2483 |
/* per IDE interface data */
|
2484 |
for(i = 0; i < 2; i++) { |
2485 |
IDEState *s = &d->ide_if[i * 2];
|
2486 |
uint8_t drive1_selected; |
2487 |
qemu_put_8s(f, &s->cmd); |
2488 |
drive1_selected = (s->cur_drive != s); |
2489 |
qemu_put_8s(f, &drive1_selected); |
2490 |
} |
2491 |
|
2492 |
/* per IDE drive data */
|
2493 |
for(i = 0; i < 4; i++) { |
2494 |
IDEState *s = &d->ide_if[i]; |
2495 |
qemu_put_be32s(f, &s->mult_sectors); |
2496 |
qemu_put_be32s(f, &s->identify_set); |
2497 |
if (s->identify_set) {
|
2498 |
qemu_put_buffer(f, (const uint8_t *)s->identify_data, 512); |
2499 |
} |
2500 |
qemu_put_8s(f, &s->feature); |
2501 |
qemu_put_8s(f, &s->error); |
2502 |
qemu_put_be32s(f, &s->nsector); |
2503 |
qemu_put_8s(f, &s->sector); |
2504 |
qemu_put_8s(f, &s->lcyl); |
2505 |
qemu_put_8s(f, &s->hcyl); |
2506 |
qemu_put_8s(f, &s->hob_feature); |
2507 |
qemu_put_8s(f, &s->hob_nsector); |
2508 |
qemu_put_8s(f, &s->hob_sector); |
2509 |
qemu_put_8s(f, &s->hob_lcyl); |
2510 |
qemu_put_8s(f, &s->hob_hcyl); |
2511 |
qemu_put_8s(f, &s->select); |
2512 |
qemu_put_8s(f, &s->status); |
2513 |
qemu_put_8s(f, &s->lba48); |
2514 |
|
2515 |
qemu_put_8s(f, &s->sense_key); |
2516 |
qemu_put_8s(f, &s->asc); |
2517 |
/* XXX: if a transfer is pending, we do not save it yet */
|
2518 |
} |
2519 |
} |
2520 |
|
2521 |
static int pci_ide_load(QEMUFile* f, void *opaque, int version_id) |
2522 |
{ |
2523 |
PCIIDEState *d = opaque; |
2524 |
int ret, i;
|
2525 |
|
2526 |
if (version_id != 1) |
2527 |
return -EINVAL;
|
2528 |
ret = pci_device_load(&d->dev, f); |
2529 |
if (ret < 0) |
2530 |
return ret;
|
2531 |
|
2532 |
for(i = 0; i < 2; i++) { |
2533 |
BMDMAState *bm = &d->bmdma[i]; |
2534 |
qemu_get_8s(f, &bm->cmd); |
2535 |
qemu_get_8s(f, &bm->status); |
2536 |
qemu_get_be32s(f, &bm->addr); |
2537 |
/* XXX: if a transfer is pending, we do not save it yet */
|
2538 |
} |
2539 |
|
2540 |
/* per IDE interface data */
|
2541 |
for(i = 0; i < 2; i++) { |
2542 |
IDEState *s = &d->ide_if[i * 2];
|
2543 |
uint8_t drive1_selected; |
2544 |
qemu_get_8s(f, &s->cmd); |
2545 |
qemu_get_8s(f, &drive1_selected); |
2546 |
s->cur_drive = &d->ide_if[i * 2 + (drive1_selected != 0)]; |
2547 |
} |
2548 |
|
2549 |
/* per IDE drive data */
|
2550 |
for(i = 0; i < 4; i++) { |
2551 |
IDEState *s = &d->ide_if[i]; |
2552 |
qemu_get_be32s(f, &s->mult_sectors); |
2553 |
qemu_get_be32s(f, &s->identify_set); |
2554 |
if (s->identify_set) {
|
2555 |
qemu_get_buffer(f, (uint8_t *)s->identify_data, 512);
|
2556 |
} |
2557 |
qemu_get_8s(f, &s->feature); |
2558 |
qemu_get_8s(f, &s->error); |
2559 |
qemu_get_be32s(f, &s->nsector); |
2560 |
qemu_get_8s(f, &s->sector); |
2561 |
qemu_get_8s(f, &s->lcyl); |
2562 |
qemu_get_8s(f, &s->hcyl); |
2563 |
qemu_get_8s(f, &s->hob_feature); |
2564 |
qemu_get_8s(f, &s->hob_nsector); |
2565 |
qemu_get_8s(f, &s->hob_sector); |
2566 |
qemu_get_8s(f, &s->hob_lcyl); |
2567 |
qemu_get_8s(f, &s->hob_hcyl); |
2568 |
qemu_get_8s(f, &s->select); |
2569 |
qemu_get_8s(f, &s->status); |
2570 |
qemu_get_8s(f, &s->lba48); |
2571 |
|
2572 |
qemu_get_8s(f, &s->sense_key); |
2573 |
qemu_get_8s(f, &s->asc); |
2574 |
/* XXX: if a transfer is pending, we do not save it yet */
|
2575 |
} |
2576 |
return 0; |
2577 |
} |
2578 |
|
2579 |
static void piix3_reset(PCIIDEState *d) |
2580 |
{ |
2581 |
uint8_t *pci_conf = d->dev.config; |
2582 |
|
2583 |
pci_conf[0x04] = 0x00; |
2584 |
pci_conf[0x05] = 0x00; |
2585 |
pci_conf[0x06] = 0x80; /* FBC */ |
2586 |
pci_conf[0x07] = 0x02; // PCI_status_devsel_medium |
2587 |
pci_conf[0x20] = 0x01; /* BMIBA: 20-23h */ |
2588 |
} |
2589 |
|
2590 |
/* hd_table must contain 4 block drivers */
|
2591 |
/* NOTE: for the PIIX3, the IRQs and IOports are hardcoded */
|
2592 |
void pci_piix3_ide_init(PCIBus *bus, BlockDriverState **hd_table, int devfn, |
2593 |
qemu_irq *pic) |
2594 |
{ |
2595 |
PCIIDEState *d; |
2596 |
uint8_t *pci_conf; |
2597 |
|
2598 |
/* register a function 1 of PIIX3 */
|
2599 |
d = (PCIIDEState *)pci_register_device(bus, "PIIX3 IDE",
|
2600 |
sizeof(PCIIDEState),
|
2601 |
devfn, |
2602 |
NULL, NULL); |
2603 |
d->type = IDE_TYPE_PIIX3; |
2604 |
|
2605 |
pci_conf = d->dev.config; |
2606 |
pci_conf[0x00] = 0x86; // Intel |
2607 |
pci_conf[0x01] = 0x80; |
2608 |
pci_conf[0x02] = 0x10; |
2609 |
pci_conf[0x03] = 0x70; |
2610 |
pci_conf[0x09] = 0x80; // legacy ATA mode |
2611 |
pci_conf[0x0a] = 0x01; // class_sub = PCI_IDE |
2612 |
pci_conf[0x0b] = 0x01; // class_base = PCI_mass_storage |
2613 |
pci_conf[0x0e] = 0x00; // header_type |
2614 |
|
2615 |
piix3_reset(d); |
2616 |
|
2617 |
pci_register_io_region((PCIDevice *)d, 4, 0x10, |
2618 |
PCI_ADDRESS_SPACE_IO, bmdma_map); |
2619 |
|
2620 |
ide_init2(&d->ide_if[0], hd_table[0], hd_table[1], pic[14]); |
2621 |
ide_init2(&d->ide_if[2], hd_table[2], hd_table[3], pic[15]); |
2622 |
ide_init_ioport(&d->ide_if[0], 0x1f0, 0x3f6); |
2623 |
ide_init_ioport(&d->ide_if[2], 0x170, 0x376); |
2624 |
|
2625 |
register_savevm("ide", 0, 1, pci_ide_save, pci_ide_load, d); |
2626 |
} |
2627 |
|
2628 |
/***********************************************************/
|
2629 |
/* MacIO based PowerPC IDE */
|
2630 |
|
2631 |
/* PowerMac IDE memory IO */
|
2632 |
static void pmac_ide_writeb (void *opaque, |
2633 |
target_phys_addr_t addr, uint32_t val) |
2634 |
{ |
2635 |
addr = (addr & 0xFFF) >> 4; |
2636 |
switch (addr) {
|
2637 |
case 1 ... 7: |
2638 |
ide_ioport_write(opaque, addr, val); |
2639 |
break;
|
2640 |
case 8: |
2641 |
case 22: |
2642 |
ide_cmd_write(opaque, 0, val);
|
2643 |
break;
|
2644 |
default:
|
2645 |
break;
|
2646 |
} |
2647 |
} |
2648 |
|
2649 |
static uint32_t pmac_ide_readb (void *opaque,target_phys_addr_t addr) |
2650 |
{ |
2651 |
uint8_t retval; |
2652 |
|
2653 |
addr = (addr & 0xFFF) >> 4; |
2654 |
switch (addr) {
|
2655 |
case 1 ... 7: |
2656 |
retval = ide_ioport_read(opaque, addr); |
2657 |
break;
|
2658 |
case 8: |
2659 |
case 22: |
2660 |
retval = ide_status_read(opaque, 0);
|
2661 |
break;
|
2662 |
default:
|
2663 |
retval = 0xFF;
|
2664 |
break;
|
2665 |
} |
2666 |
return retval;
|
2667 |
} |
2668 |
|
2669 |
static void pmac_ide_writew (void *opaque, |
2670 |
target_phys_addr_t addr, uint32_t val) |
2671 |
{ |
2672 |
addr = (addr & 0xFFF) >> 4; |
2673 |
#ifdef TARGET_WORDS_BIGENDIAN
|
2674 |
val = bswap16(val); |
2675 |
#endif
|
2676 |
if (addr == 0) { |
2677 |
ide_data_writew(opaque, 0, val);
|
2678 |
} |
2679 |
} |
2680 |
|
2681 |
static uint32_t pmac_ide_readw (void *opaque,target_phys_addr_t addr) |
2682 |
{ |
2683 |
uint16_t retval; |
2684 |
|
2685 |
addr = (addr & 0xFFF) >> 4; |
2686 |
if (addr == 0) { |
2687 |
retval = ide_data_readw(opaque, 0);
|
2688 |
} else {
|
2689 |
retval = 0xFFFF;
|
2690 |
} |
2691 |
#ifdef TARGET_WORDS_BIGENDIAN
|
2692 |
retval = bswap16(retval); |
2693 |
#endif
|
2694 |
return retval;
|
2695 |
} |
2696 |
|
2697 |
static void pmac_ide_writel (void *opaque, |
2698 |
target_phys_addr_t addr, uint32_t val) |
2699 |
{ |
2700 |
addr = (addr & 0xFFF) >> 4; |
2701 |
#ifdef TARGET_WORDS_BIGENDIAN
|
2702 |
val = bswap32(val); |
2703 |
#endif
|
2704 |
if (addr == 0) { |
2705 |
ide_data_writel(opaque, 0, val);
|
2706 |
} |
2707 |
} |
2708 |
|
2709 |
static uint32_t pmac_ide_readl (void *opaque,target_phys_addr_t addr) |
2710 |
{ |
2711 |
uint32_t retval; |
2712 |
|
2713 |
addr = (addr & 0xFFF) >> 4; |
2714 |
if (addr == 0) { |
2715 |
retval = ide_data_readl(opaque, 0);
|
2716 |
} else {
|
2717 |
retval = 0xFFFFFFFF;
|
2718 |
} |
2719 |
#ifdef TARGET_WORDS_BIGENDIAN
|
2720 |
retval = bswap32(retval); |
2721 |
#endif
|
2722 |
return retval;
|
2723 |
} |
2724 |
|
2725 |
static CPUWriteMemoryFunc *pmac_ide_write[] = {
|
2726 |
pmac_ide_writeb, |
2727 |
pmac_ide_writew, |
2728 |
pmac_ide_writel, |
2729 |
}; |
2730 |
|
2731 |
static CPUReadMemoryFunc *pmac_ide_read[] = {
|
2732 |
pmac_ide_readb, |
2733 |
pmac_ide_readw, |
2734 |
pmac_ide_readl, |
2735 |
}; |
2736 |
|
2737 |
/* hd_table must contain 4 block drivers */
|
2738 |
/* PowerMac uses memory mapped registers, not I/O. Return the memory
|
2739 |
I/O index to access the ide. */
|
2740 |
int pmac_ide_init (BlockDriverState **hd_table, qemu_irq irq)
|
2741 |
{ |
2742 |
IDEState *ide_if; |
2743 |
int pmac_ide_memory;
|
2744 |
|
2745 |
ide_if = qemu_mallocz(sizeof(IDEState) * 2); |
2746 |
ide_init2(&ide_if[0], hd_table[0], hd_table[1], irq); |
2747 |
|
2748 |
pmac_ide_memory = cpu_register_io_memory(0, pmac_ide_read,
|
2749 |
pmac_ide_write, &ide_if[0]);
|
2750 |
return pmac_ide_memory;
|
2751 |
} |