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/*
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* QEMU IDE disk and CD/DVD-ROM Emulator
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*
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* Copyright (c) 2003 Fabrice Bellard
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* Copyright (c) 2006 Openedhand Ltd.
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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 "hw.h" |
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#include "pc.h" |
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#include "pci.h" |
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#include "scsi-disk.h" |
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#include "pcmcia.h" |
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#include "block.h" |
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#include "block_int.h" |
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#include "qemu-timer.h" |
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#include "sysemu.h" |
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#include "ppc_mac.h" |
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#include "mac_dbdma.h" |
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#include "sh.h" |
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#include "dma.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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/* 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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/* 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 CFA_IDLEIMMEDIATE 0x95 /* force drive to become "ready" */ |
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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_ACCESS_METADATA_STORAGE 0xB8 |
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#define CFA_ERASE_SECTORS 0xC0 /* microdrives implement as NOP */ |
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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 IBM_SENSE_CONDITION 0xF0 /* measure disk temperature */ |
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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 CFA_WEAR_LEVEL 0xF5 /* microdrives implement as NOP */ |
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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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#define IDE_DMA_BUF_SECTORS 256 |
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#if (IDE_DMA_BUF_SECTORS < MAX_MULT_SECTORS)
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#error "IDE_DMA_BUF_SECTORS must be bigger or equal to MAX_MULT_SECTORS" |
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#endif
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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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#define GPCMD_MODE_SENSE_6 0x1a |
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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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/*
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* Based on values from <linux/cdrom.h> but extending CD_MINS
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* to the maximum common size allowed by the Orange's Book ATIP
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*
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* 90 and 99 min CDs are also available but using them as the
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* upper limit reduces the effectiveness of the heuristic to
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* detect DVDs burned to less than 25% of their maximum capacity
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*/
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/* Some generally useful CD-ROM information */
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#define CD_MINS 80 /* max. minutes per CD */ |
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#define CD_SECS 60 /* seconds per minute */ |
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#define CD_FRAMES 75 /* frames per second */ |
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#define CD_FRAMESIZE 2048 /* bytes per frame, "cooked" mode */ |
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#define CD_MAX_BYTES (CD_MINS * CD_SECS * CD_FRAMES * CD_FRAMESIZE)
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#define CD_MAX_SECTORS (CD_MAX_BYTES / 512) |
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/*
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* The MMC values are not IDE specific and might need to be moved
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* to a common header if they are also needed for the SCSI emulation
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*/
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/* Profile list from MMC-6 revision 1 table 91 */
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#define MMC_PROFILE_NONE 0x0000 |
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#define MMC_PROFILE_CD_ROM 0x0008 |
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#define MMC_PROFILE_CD_R 0x0009 |
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#define MMC_PROFILE_CD_RW 0x000A |
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#define MMC_PROFILE_DVD_ROM 0x0010 |
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#define MMC_PROFILE_DVD_R_SR 0x0011 |
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#define MMC_PROFILE_DVD_RAM 0x0012 |
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#define MMC_PROFILE_DVD_RW_RO 0x0013 |
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#define MMC_PROFILE_DVD_RW_SR 0x0014 |
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#define MMC_PROFILE_DVD_R_DL_SR 0x0015 |
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#define MMC_PROFILE_DVD_R_DL_JR 0x0016 |
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#define MMC_PROFILE_DVD_RW_DL 0x0017 |
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#define MMC_PROFILE_DVD_DDR 0x0018 |
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#define MMC_PROFILE_DVD_PLUS_RW 0x001A |
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#define MMC_PROFILE_DVD_PLUS_R 0x001B |
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#define MMC_PROFILE_DVD_PLUS_RW_DL 0x002A |
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#define MMC_PROFILE_DVD_PLUS_R_DL 0x002B |
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#define MMC_PROFILE_BD_ROM 0x0040 |
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#define MMC_PROFILE_BD_R_SRM 0x0041 |
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#define MMC_PROFILE_BD_R_RRM 0x0042 |
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#define MMC_PROFILE_BD_RE 0x0043 |
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#define MMC_PROFILE_HDDVD_ROM 0x0050 |
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#define MMC_PROFILE_HDDVD_R 0x0051 |
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#define MMC_PROFILE_HDDVD_RAM 0x0052 |
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#define MMC_PROFILE_HDDVD_RW 0x0053 |
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#define MMC_PROFILE_HDDVD_R_DL 0x0058 |
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#define MMC_PROFILE_HDDVD_RW_DL 0x005A |
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#define MMC_PROFILE_INVALID 0xFFFF |
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|
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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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|
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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_MAY_HAVE_CHANGED 0x28 |
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#define ASC_INCOMPATIBLE_FORMAT 0x30 |
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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 ASC_MEDIA_REMOVAL_PREVENTED 0x53 |
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|
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#define CFA_NO_ERROR 0x00 |
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#define CFA_MISC_ERROR 0x09 |
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#define CFA_INVALID_COMMAND 0x20 |
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#define CFA_INVALID_ADDRESS 0x21 |
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#define CFA_ADDRESS_OVERFLOW 0x2f |
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|
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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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|
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struct IDEState;
|
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|
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typedef void EndTransferFunc(struct IDEState *); |
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|
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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 is_cf;
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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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char drive_serial_str[21]; |
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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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|
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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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uint8_t cdrom_changed; |
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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 */ |
428 |
/* ATA DMA state */
|
429 |
int io_buffer_size;
|
430 |
QEMUSGList sg; |
431 |
/* PIO transfer handling */
|
432 |
int req_nb_sectors; /* number of sectors per interrupt */ |
433 |
EndTransferFunc *end_transfer_func; |
434 |
uint8_t *data_ptr; |
435 |
uint8_t *data_end; |
436 |
uint8_t *io_buffer; |
437 |
QEMUTimer *sector_write_timer; /* only used for win2k install hack */
|
438 |
uint32_t irq_count; /* counts IRQs when using win2k install hack */
|
439 |
/* CF-ATA extended error */
|
440 |
uint8_t ext_error; |
441 |
/* CF-ATA metadata storage */
|
442 |
uint32_t mdata_size; |
443 |
uint8_t *mdata_storage; |
444 |
int media_changed;
|
445 |
/* for pmac */
|
446 |
int is_read;
|
447 |
} IDEState; |
448 |
|
449 |
/* XXX: DVDs that could fit on a CD will be reported as a CD */
|
450 |
static inline int media_present(IDEState *s) |
451 |
{ |
452 |
return (s->nb_sectors > 0); |
453 |
} |
454 |
|
455 |
static inline int media_is_dvd(IDEState *s) |
456 |
{ |
457 |
return (media_present(s) && s->nb_sectors > CD_MAX_SECTORS);
|
458 |
} |
459 |
|
460 |
static inline int media_is_cd(IDEState *s) |
461 |
{ |
462 |
return (media_present(s) && s->nb_sectors <= CD_MAX_SECTORS);
|
463 |
} |
464 |
|
465 |
#define BM_STATUS_DMAING 0x01 |
466 |
#define BM_STATUS_ERROR 0x02 |
467 |
#define BM_STATUS_INT 0x04 |
468 |
#define BM_STATUS_DMA_RETRY 0x08 |
469 |
#define BM_STATUS_PIO_RETRY 0x10 |
470 |
|
471 |
#define BM_CMD_START 0x01 |
472 |
#define BM_CMD_READ 0x08 |
473 |
|
474 |
#define IDE_TYPE_PIIX3 0 |
475 |
#define IDE_TYPE_CMD646 1 |
476 |
#define IDE_TYPE_PIIX4 2 |
477 |
|
478 |
/* CMD646 specific */
|
479 |
#define MRDMODE 0x71 |
480 |
#define MRDMODE_INTR_CH0 0x04 |
481 |
#define MRDMODE_INTR_CH1 0x08 |
482 |
#define MRDMODE_BLK_CH0 0x10 |
483 |
#define MRDMODE_BLK_CH1 0x20 |
484 |
#define UDIDETCR0 0x73 |
485 |
#define UDIDETCR1 0x7B |
486 |
|
487 |
typedef struct BMDMAState { |
488 |
uint8_t cmd; |
489 |
uint8_t status; |
490 |
uint32_t addr; |
491 |
|
492 |
struct PCIIDEState *pci_dev;
|
493 |
/* current transfer state */
|
494 |
uint32_t cur_addr; |
495 |
uint32_t cur_prd_last; |
496 |
uint32_t cur_prd_addr; |
497 |
uint32_t cur_prd_len; |
498 |
IDEState *ide_if; |
499 |
BlockDriverCompletionFunc *dma_cb; |
500 |
BlockDriverAIOCB *aiocb; |
501 |
struct iovec iov;
|
502 |
QEMUIOVector qiov; |
503 |
int64_t sector_num; |
504 |
uint32_t nsector; |
505 |
QEMUBH *bh; |
506 |
} BMDMAState; |
507 |
|
508 |
typedef struct PCIIDEState { |
509 |
PCIDevice dev; |
510 |
IDEState ide_if[4];
|
511 |
BMDMAState bmdma[2];
|
512 |
int type; /* see IDE_TYPE_xxx */ |
513 |
} PCIIDEState; |
514 |
|
515 |
static void ide_dma_start(IDEState *s, BlockDriverCompletionFunc *dma_cb); |
516 |
static void ide_dma_restart(IDEState *s); |
517 |
static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret); |
518 |
|
519 |
static void padstr(char *str, const char *src, int len) |
520 |
{ |
521 |
int i, v;
|
522 |
for(i = 0; i < len; i++) { |
523 |
if (*src)
|
524 |
v = *src++; |
525 |
else
|
526 |
v = ' ';
|
527 |
str[i^1] = v;
|
528 |
} |
529 |
} |
530 |
|
531 |
static void padstr8(uint8_t *buf, int buf_size, const char *src) |
532 |
{ |
533 |
int i;
|
534 |
for(i = 0; i < buf_size; i++) { |
535 |
if (*src)
|
536 |
buf[i] = *src++; |
537 |
else
|
538 |
buf[i] = ' ';
|
539 |
} |
540 |
} |
541 |
|
542 |
static void put_le16(uint16_t *p, unsigned int v) |
543 |
{ |
544 |
*p = cpu_to_le16(v); |
545 |
} |
546 |
|
547 |
static void ide_identify(IDEState *s) |
548 |
{ |
549 |
uint16_t *p; |
550 |
unsigned int oldsize; |
551 |
|
552 |
if (s->identify_set) {
|
553 |
memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data));
|
554 |
return;
|
555 |
} |
556 |
|
557 |
memset(s->io_buffer, 0, 512); |
558 |
p = (uint16_t *)s->io_buffer; |
559 |
put_le16(p + 0, 0x0040); |
560 |
put_le16(p + 1, s->cylinders);
|
561 |
put_le16(p + 3, s->heads);
|
562 |
put_le16(p + 4, 512 * s->sectors); /* XXX: retired, remove ? */ |
563 |
put_le16(p + 5, 512); /* XXX: retired, remove ? */ |
564 |
put_le16(p + 6, s->sectors);
|
565 |
padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ |
566 |
put_le16(p + 20, 3); /* XXX: retired, remove ? */ |
567 |
put_le16(p + 21, 512); /* cache size in sectors */ |
568 |
put_le16(p + 22, 4); /* ecc bytes */ |
569 |
padstr((char *)(p + 23), QEMU_VERSION, 8); /* firmware version */ |
570 |
padstr((char *)(p + 27), "QEMU HARDDISK", 40); /* model */ |
571 |
#if MAX_MULT_SECTORS > 1 |
572 |
put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS); |
573 |
#endif
|
574 |
put_le16(p + 48, 1); /* dword I/O */ |
575 |
put_le16(p + 49, (1 << 11) | (1 << 9) | (1 << 8)); /* DMA and LBA supported */ |
576 |
put_le16(p + 51, 0x200); /* PIO transfer cycle */ |
577 |
put_le16(p + 52, 0x200); /* DMA transfer cycle */ |
578 |
put_le16(p + 53, 1 | (1 << 1) | (1 << 2)); /* words 54-58,64-70,88 are valid */ |
579 |
put_le16(p + 54, s->cylinders);
|
580 |
put_le16(p + 55, s->heads);
|
581 |
put_le16(p + 56, s->sectors);
|
582 |
oldsize = s->cylinders * s->heads * s->sectors; |
583 |
put_le16(p + 57, oldsize);
|
584 |
put_le16(p + 58, oldsize >> 16); |
585 |
if (s->mult_sectors)
|
586 |
put_le16(p + 59, 0x100 | s->mult_sectors); |
587 |
put_le16(p + 60, s->nb_sectors);
|
588 |
put_le16(p + 61, s->nb_sectors >> 16); |
589 |
put_le16(p + 62, 0x07); /* single word dma0-2 supported */ |
590 |
put_le16(p + 63, 0x07); /* mdma0-2 supported */ |
591 |
put_le16(p + 65, 120); |
592 |
put_le16(p + 66, 120); |
593 |
put_le16(p + 67, 120); |
594 |
put_le16(p + 68, 120); |
595 |
put_le16(p + 80, 0xf0); /* ata3 -> ata6 supported */ |
596 |
put_le16(p + 81, 0x16); /* conforms to ata5 */ |
597 |
put_le16(p + 82, (1 << 14)); |
598 |
/* 13=flush_cache_ext,12=flush_cache,10=lba48 */
|
599 |
put_le16(p + 83, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10)); |
600 |
put_le16(p + 84, (1 << 14)); |
601 |
put_le16(p + 85, (1 << 14)); |
602 |
/* 13=flush_cache_ext,12=flush_cache,10=lba48 */
|
603 |
put_le16(p + 86, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10)); |
604 |
put_le16(p + 87, (1 << 14)); |
605 |
put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */ |
606 |
put_le16(p + 93, 1 | (1 << 14) | 0x2000); |
607 |
put_le16(p + 100, s->nb_sectors);
|
608 |
put_le16(p + 101, s->nb_sectors >> 16); |
609 |
put_le16(p + 102, s->nb_sectors >> 32); |
610 |
put_le16(p + 103, s->nb_sectors >> 48); |
611 |
|
612 |
memcpy(s->identify_data, p, sizeof(s->identify_data));
|
613 |
s->identify_set = 1;
|
614 |
} |
615 |
|
616 |
static void ide_atapi_identify(IDEState *s) |
617 |
{ |
618 |
uint16_t *p; |
619 |
|
620 |
if (s->identify_set) {
|
621 |
memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data));
|
622 |
return;
|
623 |
} |
624 |
|
625 |
memset(s->io_buffer, 0, 512); |
626 |
p = (uint16_t *)s->io_buffer; |
627 |
/* Removable CDROM, 50us response, 12 byte packets */
|
628 |
put_le16(p + 0, (2 << 14) | (5 << 8) | (1 << 7) | (2 << 5) | (0 << 0)); |
629 |
padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ |
630 |
put_le16(p + 20, 3); /* buffer type */ |
631 |
put_le16(p + 21, 512); /* cache size in sectors */ |
632 |
put_le16(p + 22, 4); /* ecc bytes */ |
633 |
padstr((char *)(p + 23), QEMU_VERSION, 8); /* firmware version */ |
634 |
padstr((char *)(p + 27), "QEMU DVD-ROM", 40); /* model */ |
635 |
put_le16(p + 48, 1); /* dword I/O (XXX: should not be set on CDROM) */ |
636 |
#ifdef USE_DMA_CDROM
|
637 |
put_le16(p + 49, 1 << 9 | 1 << 8); /* DMA and LBA supported */ |
638 |
put_le16(p + 53, 7); /* words 64-70, 54-58, 88 valid */ |
639 |
put_le16(p + 62, 7); /* single word dma0-2 supported */ |
640 |
put_le16(p + 63, 7); /* mdma0-2 supported */ |
641 |
put_le16(p + 64, 0x3f); /* PIO modes supported */ |
642 |
#else
|
643 |
put_le16(p + 49, 1 << 9); /* LBA supported, no DMA */ |
644 |
put_le16(p + 53, 3); /* words 64-70, 54-58 valid */ |
645 |
put_le16(p + 63, 0x103); /* DMA modes XXX: may be incorrect */ |
646 |
put_le16(p + 64, 1); /* PIO modes */ |
647 |
#endif
|
648 |
put_le16(p + 65, 0xb4); /* minimum DMA multiword tx cycle time */ |
649 |
put_le16(p + 66, 0xb4); /* recommended DMA multiword tx cycle time */ |
650 |
put_le16(p + 67, 0x12c); /* minimum PIO cycle time without flow control */ |
651 |
put_le16(p + 68, 0xb4); /* minimum PIO cycle time with IORDY flow control */ |
652 |
|
653 |
put_le16(p + 71, 30); /* in ns */ |
654 |
put_le16(p + 72, 30); /* in ns */ |
655 |
|
656 |
put_le16(p + 80, 0x1e); /* support up to ATA/ATAPI-4 */ |
657 |
#ifdef USE_DMA_CDROM
|
658 |
put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */ |
659 |
#endif
|
660 |
memcpy(s->identify_data, p, sizeof(s->identify_data));
|
661 |
s->identify_set = 1;
|
662 |
} |
663 |
|
664 |
static void ide_cfata_identify(IDEState *s) |
665 |
{ |
666 |
uint16_t *p; |
667 |
uint32_t cur_sec; |
668 |
|
669 |
p = (uint16_t *) s->identify_data; |
670 |
if (s->identify_set)
|
671 |
goto fill_buffer;
|
672 |
|
673 |
memset(p, 0, sizeof(s->identify_data)); |
674 |
|
675 |
cur_sec = s->cylinders * s->heads * s->sectors; |
676 |
|
677 |
put_le16(p + 0, 0x848a); /* CF Storage Card signature */ |
678 |
put_le16(p + 1, s->cylinders); /* Default cylinders */ |
679 |
put_le16(p + 3, s->heads); /* Default heads */ |
680 |
put_le16(p + 6, s->sectors); /* Default sectors per track */ |
681 |
put_le16(p + 7, s->nb_sectors >> 16); /* Sectors per card */ |
682 |
put_le16(p + 8, s->nb_sectors); /* Sectors per card */ |
683 |
padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ |
684 |
put_le16(p + 22, 0x0004); /* ECC bytes */ |
685 |
padstr((char *) (p + 23), QEMU_VERSION, 8); /* Firmware Revision */ |
686 |
padstr((char *) (p + 27), "QEMU MICRODRIVE", 40);/* Model number */ |
687 |
#if MAX_MULT_SECTORS > 1 |
688 |
put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS); |
689 |
#else
|
690 |
put_le16(p + 47, 0x0000); |
691 |
#endif
|
692 |
put_le16(p + 49, 0x0f00); /* Capabilities */ |
693 |
put_le16(p + 51, 0x0002); /* PIO cycle timing mode */ |
694 |
put_le16(p + 52, 0x0001); /* DMA cycle timing mode */ |
695 |
put_le16(p + 53, 0x0003); /* Translation params valid */ |
696 |
put_le16(p + 54, s->cylinders); /* Current cylinders */ |
697 |
put_le16(p + 55, s->heads); /* Current heads */ |
698 |
put_le16(p + 56, s->sectors); /* Current sectors */ |
699 |
put_le16(p + 57, cur_sec); /* Current capacity */ |
700 |
put_le16(p + 58, cur_sec >> 16); /* Current capacity */ |
701 |
if (s->mult_sectors) /* Multiple sector setting */ |
702 |
put_le16(p + 59, 0x100 | s->mult_sectors); |
703 |
put_le16(p + 60, s->nb_sectors); /* Total LBA sectors */ |
704 |
put_le16(p + 61, s->nb_sectors >> 16); /* Total LBA sectors */ |
705 |
put_le16(p + 63, 0x0203); /* Multiword DMA capability */ |
706 |
put_le16(p + 64, 0x0001); /* Flow Control PIO support */ |
707 |
put_le16(p + 65, 0x0096); /* Min. Multiword DMA cycle */ |
708 |
put_le16(p + 66, 0x0096); /* Rec. Multiword DMA cycle */ |
709 |
put_le16(p + 68, 0x00b4); /* Min. PIO cycle time */ |
710 |
put_le16(p + 82, 0x400c); /* Command Set supported */ |
711 |
put_le16(p + 83, 0x7068); /* Command Set supported */ |
712 |
put_le16(p + 84, 0x4000); /* Features supported */ |
713 |
put_le16(p + 85, 0x000c); /* Command Set enabled */ |
714 |
put_le16(p + 86, 0x7044); /* Command Set enabled */ |
715 |
put_le16(p + 87, 0x4000); /* Features enabled */ |
716 |
put_le16(p + 91, 0x4060); /* Current APM level */ |
717 |
put_le16(p + 129, 0x0002); /* Current features option */ |
718 |
put_le16(p + 130, 0x0005); /* Reassigned sectors */ |
719 |
put_le16(p + 131, 0x0001); /* Initial power mode */ |
720 |
put_le16(p + 132, 0x0000); /* User signature */ |
721 |
put_le16(p + 160, 0x8100); /* Power requirement */ |
722 |
put_le16(p + 161, 0x8001); /* CF command set */ |
723 |
|
724 |
s->identify_set = 1;
|
725 |
|
726 |
fill_buffer:
|
727 |
memcpy(s->io_buffer, p, sizeof(s->identify_data));
|
728 |
} |
729 |
|
730 |
static void ide_set_signature(IDEState *s) |
731 |
{ |
732 |
s->select &= 0xf0; /* clear head */ |
733 |
/* put signature */
|
734 |
s->nsector = 1;
|
735 |
s->sector = 1;
|
736 |
if (s->is_cdrom) {
|
737 |
s->lcyl = 0x14;
|
738 |
s->hcyl = 0xeb;
|
739 |
} else if (s->bs) { |
740 |
s->lcyl = 0;
|
741 |
s->hcyl = 0;
|
742 |
} else {
|
743 |
s->lcyl = 0xff;
|
744 |
s->hcyl = 0xff;
|
745 |
} |
746 |
} |
747 |
|
748 |
static inline void ide_abort_command(IDEState *s) |
749 |
{ |
750 |
s->status = READY_STAT | ERR_STAT; |
751 |
s->error = ABRT_ERR; |
752 |
} |
753 |
|
754 |
static inline void ide_dma_submit_check(IDEState *s, |
755 |
BlockDriverCompletionFunc *dma_cb, BMDMAState *bm) |
756 |
{ |
757 |
if (bm->aiocb)
|
758 |
return;
|
759 |
dma_cb(bm, -1);
|
760 |
} |
761 |
|
762 |
static inline void ide_set_irq(IDEState *s) |
763 |
{ |
764 |
BMDMAState *bm = s->bmdma; |
765 |
if (!(s->cmd & IDE_CMD_DISABLE_IRQ)) {
|
766 |
if (bm) {
|
767 |
bm->status |= BM_STATUS_INT; |
768 |
} |
769 |
qemu_irq_raise(s->irq); |
770 |
} |
771 |
} |
772 |
|
773 |
/* prepare data transfer and tell what to do after */
|
774 |
static void ide_transfer_start(IDEState *s, uint8_t *buf, int size, |
775 |
EndTransferFunc *end_transfer_func) |
776 |
{ |
777 |
s->end_transfer_func = end_transfer_func; |
778 |
s->data_ptr = buf; |
779 |
s->data_end = buf + size; |
780 |
if (!(s->status & ERR_STAT))
|
781 |
s->status |= DRQ_STAT; |
782 |
} |
783 |
|
784 |
static void ide_transfer_stop(IDEState *s) |
785 |
{ |
786 |
s->end_transfer_func = ide_transfer_stop; |
787 |
s->data_ptr = s->io_buffer; |
788 |
s->data_end = s->io_buffer; |
789 |
s->status &= ~DRQ_STAT; |
790 |
} |
791 |
|
792 |
static int64_t ide_get_sector(IDEState *s)
|
793 |
{ |
794 |
int64_t sector_num; |
795 |
if (s->select & 0x40) { |
796 |
/* lba */
|
797 |
if (!s->lba48) {
|
798 |
sector_num = ((s->select & 0x0f) << 24) | (s->hcyl << 16) | |
799 |
(s->lcyl << 8) | s->sector;
|
800 |
} else {
|
801 |
sector_num = ((int64_t)s->hob_hcyl << 40) |
|
802 |
((int64_t) s->hob_lcyl << 32) |
|
803 |
((int64_t) s->hob_sector << 24) |
|
804 |
((int64_t) s->hcyl << 16) |
|
805 |
((int64_t) s->lcyl << 8) | s->sector;
|
806 |
} |
807 |
} else {
|
808 |
sector_num = ((s->hcyl << 8) | s->lcyl) * s->heads * s->sectors +
|
809 |
(s->select & 0x0f) * s->sectors + (s->sector - 1); |
810 |
} |
811 |
return sector_num;
|
812 |
} |
813 |
|
814 |
static void ide_set_sector(IDEState *s, int64_t sector_num) |
815 |
{ |
816 |
unsigned int cyl, r; |
817 |
if (s->select & 0x40) { |
818 |
if (!s->lba48) {
|
819 |
s->select = (s->select & 0xf0) | (sector_num >> 24); |
820 |
s->hcyl = (sector_num >> 16);
|
821 |
s->lcyl = (sector_num >> 8);
|
822 |
s->sector = (sector_num); |
823 |
} else {
|
824 |
s->sector = sector_num; |
825 |
s->lcyl = sector_num >> 8;
|
826 |
s->hcyl = sector_num >> 16;
|
827 |
s->hob_sector = sector_num >> 24;
|
828 |
s->hob_lcyl = sector_num >> 32;
|
829 |
s->hob_hcyl = sector_num >> 40;
|
830 |
} |
831 |
} else {
|
832 |
cyl = sector_num / (s->heads * s->sectors); |
833 |
r = sector_num % (s->heads * s->sectors); |
834 |
s->hcyl = cyl >> 8;
|
835 |
s->lcyl = cyl; |
836 |
s->select = (s->select & 0xf0) | ((r / s->sectors) & 0x0f); |
837 |
s->sector = (r % s->sectors) + 1;
|
838 |
} |
839 |
} |
840 |
|
841 |
static void ide_rw_error(IDEState *s) { |
842 |
ide_abort_command(s); |
843 |
ide_set_irq(s); |
844 |
} |
845 |
|
846 |
static void ide_sector_read(IDEState *s) |
847 |
{ |
848 |
int64_t sector_num; |
849 |
int ret, n;
|
850 |
|
851 |
s->status = READY_STAT | SEEK_STAT; |
852 |
s->error = 0; /* not needed by IDE spec, but needed by Windows */ |
853 |
sector_num = ide_get_sector(s); |
854 |
n = s->nsector; |
855 |
if (n == 0) { |
856 |
/* no more sector to read from disk */
|
857 |
ide_transfer_stop(s); |
858 |
} else {
|
859 |
#if defined(DEBUG_IDE)
|
860 |
printf("read sector=%" PRId64 "\n", sector_num); |
861 |
#endif
|
862 |
if (n > s->req_nb_sectors)
|
863 |
n = s->req_nb_sectors; |
864 |
ret = bdrv_read(s->bs, sector_num, s->io_buffer, n); |
865 |
if (ret != 0) { |
866 |
ide_rw_error(s); |
867 |
return;
|
868 |
} |
869 |
ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_read);
|
870 |
ide_set_irq(s); |
871 |
ide_set_sector(s, sector_num + n); |
872 |
s->nsector -= n; |
873 |
} |
874 |
} |
875 |
|
876 |
|
877 |
/* return 0 if buffer completed */
|
878 |
static int dma_buf_prepare(BMDMAState *bm, int is_write) |
879 |
{ |
880 |
IDEState *s = bm->ide_if; |
881 |
struct {
|
882 |
uint32_t addr; |
883 |
uint32_t size; |
884 |
} prd; |
885 |
int l, len;
|
886 |
|
887 |
qemu_sglist_init(&s->sg, s->nsector / (TARGET_PAGE_SIZE/512) + 1); |
888 |
s->io_buffer_size = 0;
|
889 |
for(;;) {
|
890 |
if (bm->cur_prd_len == 0) { |
891 |
/* end of table (with a fail safe of one page) */
|
892 |
if (bm->cur_prd_last ||
|
893 |
(bm->cur_addr - bm->addr) >= 4096)
|
894 |
return s->io_buffer_size != 0; |
895 |
cpu_physical_memory_read(bm->cur_addr, (uint8_t *)&prd, 8);
|
896 |
bm->cur_addr += 8;
|
897 |
prd.addr = le32_to_cpu(prd.addr); |
898 |
prd.size = le32_to_cpu(prd.size); |
899 |
len = prd.size & 0xfffe;
|
900 |
if (len == 0) |
901 |
len = 0x10000;
|
902 |
bm->cur_prd_len = len; |
903 |
bm->cur_prd_addr = prd.addr; |
904 |
bm->cur_prd_last = (prd.size & 0x80000000);
|
905 |
} |
906 |
l = bm->cur_prd_len; |
907 |
if (l > 0) { |
908 |
qemu_sglist_add(&s->sg, bm->cur_prd_addr, l); |
909 |
bm->cur_prd_addr += l; |
910 |
bm->cur_prd_len -= l; |
911 |
s->io_buffer_size += l; |
912 |
} |
913 |
} |
914 |
return 1; |
915 |
} |
916 |
|
917 |
static void dma_buf_commit(IDEState *s, int is_write) |
918 |
{ |
919 |
qemu_sglist_destroy(&s->sg); |
920 |
} |
921 |
|
922 |
static void ide_dma_error(IDEState *s) |
923 |
{ |
924 |
ide_transfer_stop(s); |
925 |
s->error = ABRT_ERR; |
926 |
s->status = READY_STAT | ERR_STAT; |
927 |
ide_set_irq(s); |
928 |
} |
929 |
|
930 |
static int ide_handle_write_error(IDEState *s, int error, int op) |
931 |
{ |
932 |
BlockInterfaceErrorAction action = drive_get_onerror(s->bs); |
933 |
|
934 |
if (action == BLOCK_ERR_IGNORE)
|
935 |
return 0; |
936 |
|
937 |
if ((error == ENOSPC && action == BLOCK_ERR_STOP_ENOSPC)
|
938 |
|| action == BLOCK_ERR_STOP_ANY) { |
939 |
s->bmdma->ide_if = s; |
940 |
s->bmdma->status |= op; |
941 |
vm_stop(0);
|
942 |
} else {
|
943 |
if (op == BM_STATUS_DMA_RETRY) {
|
944 |
dma_buf_commit(s, 0);
|
945 |
ide_dma_error(s); |
946 |
} else {
|
947 |
ide_rw_error(s); |
948 |
} |
949 |
} |
950 |
|
951 |
return 1; |
952 |
} |
953 |
|
954 |
/* return 0 if buffer completed */
|
955 |
static int dma_buf_rw(BMDMAState *bm, int is_write) |
956 |
{ |
957 |
IDEState *s = bm->ide_if; |
958 |
struct {
|
959 |
uint32_t addr; |
960 |
uint32_t size; |
961 |
} prd; |
962 |
int l, len;
|
963 |
|
964 |
for(;;) {
|
965 |
l = s->io_buffer_size - s->io_buffer_index; |
966 |
if (l <= 0) |
967 |
break;
|
968 |
if (bm->cur_prd_len == 0) { |
969 |
/* end of table (with a fail safe of one page) */
|
970 |
if (bm->cur_prd_last ||
|
971 |
(bm->cur_addr - bm->addr) >= 4096)
|
972 |
return 0; |
973 |
cpu_physical_memory_read(bm->cur_addr, (uint8_t *)&prd, 8);
|
974 |
bm->cur_addr += 8;
|
975 |
prd.addr = le32_to_cpu(prd.addr); |
976 |
prd.size = le32_to_cpu(prd.size); |
977 |
len = prd.size & 0xfffe;
|
978 |
if (len == 0) |
979 |
len = 0x10000;
|
980 |
bm->cur_prd_len = len; |
981 |
bm->cur_prd_addr = prd.addr; |
982 |
bm->cur_prd_last = (prd.size & 0x80000000);
|
983 |
} |
984 |
if (l > bm->cur_prd_len)
|
985 |
l = bm->cur_prd_len; |
986 |
if (l > 0) { |
987 |
if (is_write) {
|
988 |
cpu_physical_memory_write(bm->cur_prd_addr, |
989 |
s->io_buffer + s->io_buffer_index, l); |
990 |
} else {
|
991 |
cpu_physical_memory_read(bm->cur_prd_addr, |
992 |
s->io_buffer + s->io_buffer_index, l); |
993 |
} |
994 |
bm->cur_prd_addr += l; |
995 |
bm->cur_prd_len -= l; |
996 |
s->io_buffer_index += l; |
997 |
} |
998 |
} |
999 |
return 1; |
1000 |
} |
1001 |
|
1002 |
static void ide_read_dma_cb(void *opaque, int ret) |
1003 |
{ |
1004 |
BMDMAState *bm = opaque; |
1005 |
IDEState *s = bm->ide_if; |
1006 |
int n;
|
1007 |
int64_t sector_num; |
1008 |
|
1009 |
if (ret < 0) { |
1010 |
dma_buf_commit(s, 1);
|
1011 |
ide_dma_error(s); |
1012 |
return;
|
1013 |
} |
1014 |
|
1015 |
n = s->io_buffer_size >> 9;
|
1016 |
sector_num = ide_get_sector(s); |
1017 |
if (n > 0) { |
1018 |
dma_buf_commit(s, 1);
|
1019 |
sector_num += n; |
1020 |
ide_set_sector(s, sector_num); |
1021 |
s->nsector -= n; |
1022 |
} |
1023 |
|
1024 |
/* end of transfer ? */
|
1025 |
if (s->nsector == 0) { |
1026 |
s->status = READY_STAT | SEEK_STAT; |
1027 |
ide_set_irq(s); |
1028 |
eot:
|
1029 |
bm->status &= ~BM_STATUS_DMAING; |
1030 |
bm->status |= BM_STATUS_INT; |
1031 |
bm->dma_cb = NULL;
|
1032 |
bm->ide_if = NULL;
|
1033 |
bm->aiocb = NULL;
|
1034 |
return;
|
1035 |
} |
1036 |
|
1037 |
/* launch next transfer */
|
1038 |
n = s->nsector; |
1039 |
s->io_buffer_index = 0;
|
1040 |
s->io_buffer_size = n * 512;
|
1041 |
if (dma_buf_prepare(bm, 1) == 0) |
1042 |
goto eot;
|
1043 |
#ifdef DEBUG_AIO
|
1044 |
printf("aio_read: sector_num=%" PRId64 " n=%d\n", sector_num, n); |
1045 |
#endif
|
1046 |
bm->aiocb = dma_bdrv_read(s->bs, &s->sg, sector_num, ide_read_dma_cb, bm); |
1047 |
ide_dma_submit_check(s, ide_read_dma_cb, bm); |
1048 |
} |
1049 |
|
1050 |
static void ide_sector_read_dma(IDEState *s) |
1051 |
{ |
1052 |
s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; |
1053 |
s->io_buffer_index = 0;
|
1054 |
s->io_buffer_size = 0;
|
1055 |
s->is_read = 1;
|
1056 |
ide_dma_start(s, ide_read_dma_cb); |
1057 |
} |
1058 |
|
1059 |
static void ide_sector_write_timer_cb(void *opaque) |
1060 |
{ |
1061 |
IDEState *s = opaque; |
1062 |
ide_set_irq(s); |
1063 |
} |
1064 |
|
1065 |
static void ide_sector_write(IDEState *s) |
1066 |
{ |
1067 |
int64_t sector_num; |
1068 |
int ret, n, n1;
|
1069 |
|
1070 |
s->status = READY_STAT | SEEK_STAT; |
1071 |
sector_num = ide_get_sector(s); |
1072 |
#if defined(DEBUG_IDE)
|
1073 |
printf("write sector=%" PRId64 "\n", sector_num); |
1074 |
#endif
|
1075 |
n = s->nsector; |
1076 |
if (n > s->req_nb_sectors)
|
1077 |
n = s->req_nb_sectors; |
1078 |
ret = bdrv_write(s->bs, sector_num, s->io_buffer, n); |
1079 |
|
1080 |
if (ret != 0) { |
1081 |
if (ide_handle_write_error(s, -ret, BM_STATUS_PIO_RETRY))
|
1082 |
return;
|
1083 |
} |
1084 |
|
1085 |
s->nsector -= n; |
1086 |
if (s->nsector == 0) { |
1087 |
/* no more sectors to write */
|
1088 |
ide_transfer_stop(s); |
1089 |
} else {
|
1090 |
n1 = s->nsector; |
1091 |
if (n1 > s->req_nb_sectors)
|
1092 |
n1 = s->req_nb_sectors; |
1093 |
ide_transfer_start(s, s->io_buffer, 512 * n1, ide_sector_write);
|
1094 |
} |
1095 |
ide_set_sector(s, sector_num + n); |
1096 |
|
1097 |
#ifdef TARGET_I386
|
1098 |
if (win2k_install_hack && ((++s->irq_count % 16) == 0)) { |
1099 |
/* It seems there is a bug in the Windows 2000 installer HDD
|
1100 |
IDE driver which fills the disk with empty logs when the
|
1101 |
IDE write IRQ comes too early. This hack tries to correct
|
1102 |
that at the expense of slower write performances. Use this
|
1103 |
option _only_ to install Windows 2000. You must disable it
|
1104 |
for normal use. */
|
1105 |
qemu_mod_timer(s->sector_write_timer, |
1106 |
qemu_get_clock(vm_clock) + (ticks_per_sec / 1000));
|
1107 |
} else
|
1108 |
#endif
|
1109 |
{ |
1110 |
ide_set_irq(s); |
1111 |
} |
1112 |
} |
1113 |
|
1114 |
static void ide_dma_restart_bh(void *opaque) |
1115 |
{ |
1116 |
BMDMAState *bm = opaque; |
1117 |
|
1118 |
qemu_bh_delete(bm->bh); |
1119 |
bm->bh = NULL;
|
1120 |
|
1121 |
if (bm->status & BM_STATUS_DMA_RETRY) {
|
1122 |
bm->status &= ~BM_STATUS_DMA_RETRY; |
1123 |
ide_dma_restart(bm->ide_if); |
1124 |
} else if (bm->status & BM_STATUS_PIO_RETRY) { |
1125 |
bm->status &= ~BM_STATUS_PIO_RETRY; |
1126 |
ide_sector_write(bm->ide_if); |
1127 |
} |
1128 |
} |
1129 |
|
1130 |
static void ide_dma_restart_cb(void *opaque, int running, int reason) |
1131 |
{ |
1132 |
BMDMAState *bm = opaque; |
1133 |
|
1134 |
if (!running)
|
1135 |
return;
|
1136 |
|
1137 |
if (!bm->bh) {
|
1138 |
bm->bh = qemu_bh_new(ide_dma_restart_bh, bm); |
1139 |
qemu_bh_schedule(bm->bh); |
1140 |
} |
1141 |
} |
1142 |
|
1143 |
static void ide_write_dma_cb(void *opaque, int ret) |
1144 |
{ |
1145 |
BMDMAState *bm = opaque; |
1146 |
IDEState *s = bm->ide_if; |
1147 |
int n;
|
1148 |
int64_t sector_num; |
1149 |
|
1150 |
if (ret < 0) { |
1151 |
if (ide_handle_write_error(s, -ret, BM_STATUS_DMA_RETRY))
|
1152 |
return;
|
1153 |
} |
1154 |
|
1155 |
n = s->io_buffer_size >> 9;
|
1156 |
sector_num = ide_get_sector(s); |
1157 |
if (n > 0) { |
1158 |
dma_buf_commit(s, 0);
|
1159 |
sector_num += n; |
1160 |
ide_set_sector(s, sector_num); |
1161 |
s->nsector -= n; |
1162 |
} |
1163 |
|
1164 |
/* end of transfer ? */
|
1165 |
if (s->nsector == 0) { |
1166 |
s->status = READY_STAT | SEEK_STAT; |
1167 |
ide_set_irq(s); |
1168 |
eot:
|
1169 |
bm->status &= ~BM_STATUS_DMAING; |
1170 |
bm->status |= BM_STATUS_INT; |
1171 |
bm->dma_cb = NULL;
|
1172 |
bm->ide_if = NULL;
|
1173 |
bm->aiocb = NULL;
|
1174 |
return;
|
1175 |
} |
1176 |
|
1177 |
n = s->nsector; |
1178 |
s->io_buffer_size = n * 512;
|
1179 |
/* launch next transfer */
|
1180 |
if (dma_buf_prepare(bm, 0) == 0) |
1181 |
goto eot;
|
1182 |
#ifdef DEBUG_AIO
|
1183 |
printf("aio_write: sector_num=%" PRId64 " n=%d\n", sector_num, n); |
1184 |
#endif
|
1185 |
bm->aiocb = dma_bdrv_write(s->bs, &s->sg, sector_num, ide_write_dma_cb, bm); |
1186 |
ide_dma_submit_check(s, ide_write_dma_cb, bm); |
1187 |
} |
1188 |
|
1189 |
static void ide_sector_write_dma(IDEState *s) |
1190 |
{ |
1191 |
s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; |
1192 |
s->io_buffer_index = 0;
|
1193 |
s->io_buffer_size = 0;
|
1194 |
s->is_read = 0;
|
1195 |
ide_dma_start(s, ide_write_dma_cb); |
1196 |
} |
1197 |
|
1198 |
static void ide_atapi_cmd_ok(IDEState *s) |
1199 |
{ |
1200 |
s->error = 0;
|
1201 |
s->status = READY_STAT | SEEK_STAT; |
1202 |
s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
|
1203 |
ide_set_irq(s); |
1204 |
} |
1205 |
|
1206 |
static void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc) |
1207 |
{ |
1208 |
#ifdef DEBUG_IDE_ATAPI
|
1209 |
printf("atapi_cmd_error: sense=0x%x asc=0x%x\n", sense_key, asc);
|
1210 |
#endif
|
1211 |
s->error = sense_key << 4;
|
1212 |
s->status = READY_STAT | ERR_STAT; |
1213 |
s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
|
1214 |
s->sense_key = sense_key; |
1215 |
s->asc = asc; |
1216 |
ide_set_irq(s); |
1217 |
} |
1218 |
|
1219 |
static void ide_atapi_cmd_check_status(IDEState *s) |
1220 |
{ |
1221 |
#ifdef DEBUG_IDE_ATAPI
|
1222 |
printf("atapi_cmd_check_status\n");
|
1223 |
#endif
|
1224 |
s->error = MC_ERR | (SENSE_UNIT_ATTENTION << 4);
|
1225 |
s->status = ERR_STAT; |
1226 |
s->nsector = 0;
|
1227 |
ide_set_irq(s); |
1228 |
} |
1229 |
|
1230 |
static inline void cpu_to_ube16(uint8_t *buf, int val) |
1231 |
{ |
1232 |
buf[0] = val >> 8; |
1233 |
buf[1] = val & 0xff; |
1234 |
} |
1235 |
|
1236 |
static inline void cpu_to_ube32(uint8_t *buf, unsigned int val) |
1237 |
{ |
1238 |
buf[0] = val >> 24; |
1239 |
buf[1] = val >> 16; |
1240 |
buf[2] = val >> 8; |
1241 |
buf[3] = val & 0xff; |
1242 |
} |
1243 |
|
1244 |
static inline int ube16_to_cpu(const uint8_t *buf) |
1245 |
{ |
1246 |
return (buf[0] << 8) | buf[1]; |
1247 |
} |
1248 |
|
1249 |
static inline int ube32_to_cpu(const uint8_t *buf) |
1250 |
{ |
1251 |
return (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]; |
1252 |
} |
1253 |
|
1254 |
static void lba_to_msf(uint8_t *buf, int lba) |
1255 |
{ |
1256 |
lba += 150;
|
1257 |
buf[0] = (lba / 75) / 60; |
1258 |
buf[1] = (lba / 75) % 60; |
1259 |
buf[2] = lba % 75; |
1260 |
} |
1261 |
|
1262 |
static void cd_data_to_raw(uint8_t *buf, int lba) |
1263 |
{ |
1264 |
/* sync bytes */
|
1265 |
buf[0] = 0x00; |
1266 |
memset(buf + 1, 0xff, 10); |
1267 |
buf[11] = 0x00; |
1268 |
buf += 12;
|
1269 |
/* MSF */
|
1270 |
lba_to_msf(buf, lba); |
1271 |
buf[3] = 0x01; /* mode 1 data */ |
1272 |
buf += 4;
|
1273 |
/* data */
|
1274 |
buf += 2048;
|
1275 |
/* XXX: ECC not computed */
|
1276 |
memset(buf, 0, 288); |
1277 |
} |
1278 |
|
1279 |
static int cd_read_sector(BlockDriverState *bs, int lba, uint8_t *buf, |
1280 |
int sector_size)
|
1281 |
{ |
1282 |
int ret;
|
1283 |
|
1284 |
switch(sector_size) {
|
1285 |
case 2048: |
1286 |
ret = bdrv_read(bs, (int64_t)lba << 2, buf, 4); |
1287 |
break;
|
1288 |
case 2352: |
1289 |
ret = bdrv_read(bs, (int64_t)lba << 2, buf + 16, 4); |
1290 |
if (ret < 0) |
1291 |
return ret;
|
1292 |
cd_data_to_raw(buf, lba); |
1293 |
break;
|
1294 |
default:
|
1295 |
ret = -EIO; |
1296 |
break;
|
1297 |
} |
1298 |
return ret;
|
1299 |
} |
1300 |
|
1301 |
static void ide_atapi_io_error(IDEState *s, int ret) |
1302 |
{ |
1303 |
/* XXX: handle more errors */
|
1304 |
if (ret == -ENOMEDIUM) {
|
1305 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
1306 |
ASC_MEDIUM_NOT_PRESENT); |
1307 |
} else {
|
1308 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
1309 |
ASC_LOGICAL_BLOCK_OOR); |
1310 |
} |
1311 |
} |
1312 |
|
1313 |
/* The whole ATAPI transfer logic is handled in this function */
|
1314 |
static void ide_atapi_cmd_reply_end(IDEState *s) |
1315 |
{ |
1316 |
int byte_count_limit, size, ret;
|
1317 |
#ifdef DEBUG_IDE_ATAPI
|
1318 |
printf("reply: tx_size=%d elem_tx_size=%d index=%d\n",
|
1319 |
s->packet_transfer_size, |
1320 |
s->elementary_transfer_size, |
1321 |
s->io_buffer_index); |
1322 |
#endif
|
1323 |
if (s->packet_transfer_size <= 0) { |
1324 |
/* end of transfer */
|
1325 |
ide_transfer_stop(s); |
1326 |
s->status = READY_STAT | SEEK_STAT; |
1327 |
s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
|
1328 |
ide_set_irq(s); |
1329 |
#ifdef DEBUG_IDE_ATAPI
|
1330 |
printf("status=0x%x\n", s->status);
|
1331 |
#endif
|
1332 |
} else {
|
1333 |
/* see if a new sector must be read */
|
1334 |
if (s->lba != -1 && s->io_buffer_index >= s->cd_sector_size) { |
1335 |
ret = cd_read_sector(s->bs, s->lba, s->io_buffer, s->cd_sector_size); |
1336 |
if (ret < 0) { |
1337 |
ide_transfer_stop(s); |
1338 |
ide_atapi_io_error(s, ret); |
1339 |
return;
|
1340 |
} |
1341 |
s->lba++; |
1342 |
s->io_buffer_index = 0;
|
1343 |
} |
1344 |
if (s->elementary_transfer_size > 0) { |
1345 |
/* there are some data left to transmit in this elementary
|
1346 |
transfer */
|
1347 |
size = s->cd_sector_size - s->io_buffer_index; |
1348 |
if (size > s->elementary_transfer_size)
|
1349 |
size = s->elementary_transfer_size; |
1350 |
ide_transfer_start(s, s->io_buffer + s->io_buffer_index, |
1351 |
size, ide_atapi_cmd_reply_end); |
1352 |
s->packet_transfer_size -= size; |
1353 |
s->elementary_transfer_size -= size; |
1354 |
s->io_buffer_index += size; |
1355 |
} else {
|
1356 |
/* a new transfer is needed */
|
1357 |
s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO;
|
1358 |
byte_count_limit = s->lcyl | (s->hcyl << 8);
|
1359 |
#ifdef DEBUG_IDE_ATAPI
|
1360 |
printf("byte_count_limit=%d\n", byte_count_limit);
|
1361 |
#endif
|
1362 |
if (byte_count_limit == 0xffff) |
1363 |
byte_count_limit--; |
1364 |
size = s->packet_transfer_size; |
1365 |
if (size > byte_count_limit) {
|
1366 |
/* byte count limit must be even if this case */
|
1367 |
if (byte_count_limit & 1) |
1368 |
byte_count_limit--; |
1369 |
size = byte_count_limit; |
1370 |
} |
1371 |
s->lcyl = size; |
1372 |
s->hcyl = size >> 8;
|
1373 |
s->elementary_transfer_size = size; |
1374 |
/* we cannot transmit more than one sector at a time */
|
1375 |
if (s->lba != -1) { |
1376 |
if (size > (s->cd_sector_size - s->io_buffer_index))
|
1377 |
size = (s->cd_sector_size - s->io_buffer_index); |
1378 |
} |
1379 |
ide_transfer_start(s, s->io_buffer + s->io_buffer_index, |
1380 |
size, ide_atapi_cmd_reply_end); |
1381 |
s->packet_transfer_size -= size; |
1382 |
s->elementary_transfer_size -= size; |
1383 |
s->io_buffer_index += size; |
1384 |
ide_set_irq(s); |
1385 |
#ifdef DEBUG_IDE_ATAPI
|
1386 |
printf("status=0x%x\n", s->status);
|
1387 |
#endif
|
1388 |
} |
1389 |
} |
1390 |
} |
1391 |
|
1392 |
/* send a reply of 'size' bytes in s->io_buffer to an ATAPI command */
|
1393 |
static void ide_atapi_cmd_reply(IDEState *s, int size, int max_size) |
1394 |
{ |
1395 |
if (size > max_size)
|
1396 |
size = max_size; |
1397 |
s->lba = -1; /* no sector read */ |
1398 |
s->packet_transfer_size = size; |
1399 |
s->io_buffer_size = size; /* dma: send the reply data as one chunk */
|
1400 |
s->elementary_transfer_size = 0;
|
1401 |
s->io_buffer_index = 0;
|
1402 |
|
1403 |
if (s->atapi_dma) {
|
1404 |
s->status = READY_STAT | SEEK_STAT | DRQ_STAT; |
1405 |
ide_dma_start(s, ide_atapi_cmd_read_dma_cb); |
1406 |
} else {
|
1407 |
s->status = READY_STAT | SEEK_STAT; |
1408 |
ide_atapi_cmd_reply_end(s); |
1409 |
} |
1410 |
} |
1411 |
|
1412 |
/* start a CD-CDROM read command */
|
1413 |
static void ide_atapi_cmd_read_pio(IDEState *s, int lba, int nb_sectors, |
1414 |
int sector_size)
|
1415 |
{ |
1416 |
s->lba = lba; |
1417 |
s->packet_transfer_size = nb_sectors * sector_size; |
1418 |
s->elementary_transfer_size = 0;
|
1419 |
s->io_buffer_index = sector_size; |
1420 |
s->cd_sector_size = sector_size; |
1421 |
|
1422 |
s->status = READY_STAT | SEEK_STAT; |
1423 |
ide_atapi_cmd_reply_end(s); |
1424 |
} |
1425 |
|
1426 |
/* ATAPI DMA support */
|
1427 |
|
1428 |
/* XXX: handle read errors */
|
1429 |
static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret) |
1430 |
{ |
1431 |
BMDMAState *bm = opaque; |
1432 |
IDEState *s = bm->ide_if; |
1433 |
int data_offset, n;
|
1434 |
|
1435 |
if (ret < 0) { |
1436 |
ide_atapi_io_error(s, ret); |
1437 |
goto eot;
|
1438 |
} |
1439 |
|
1440 |
if (s->io_buffer_size > 0) { |
1441 |
/*
|
1442 |
* For a cdrom read sector command (s->lba != -1),
|
1443 |
* adjust the lba for the next s->io_buffer_size chunk
|
1444 |
* and dma the current chunk.
|
1445 |
* For a command != read (s->lba == -1), just transfer
|
1446 |
* the reply data.
|
1447 |
*/
|
1448 |
if (s->lba != -1) { |
1449 |
if (s->cd_sector_size == 2352) { |
1450 |
n = 1;
|
1451 |
cd_data_to_raw(s->io_buffer, s->lba); |
1452 |
} else {
|
1453 |
n = s->io_buffer_size >> 11;
|
1454 |
} |
1455 |
s->lba += n; |
1456 |
} |
1457 |
s->packet_transfer_size -= s->io_buffer_size; |
1458 |
if (dma_buf_rw(bm, 1) == 0) |
1459 |
goto eot;
|
1460 |
} |
1461 |
|
1462 |
if (s->packet_transfer_size <= 0) { |
1463 |
s->status = READY_STAT | SEEK_STAT; |
1464 |
s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
|
1465 |
ide_set_irq(s); |
1466 |
eot:
|
1467 |
bm->status &= ~BM_STATUS_DMAING; |
1468 |
bm->status |= BM_STATUS_INT; |
1469 |
bm->dma_cb = NULL;
|
1470 |
bm->ide_if = NULL;
|
1471 |
bm->aiocb = NULL;
|
1472 |
return;
|
1473 |
} |
1474 |
|
1475 |
s->io_buffer_index = 0;
|
1476 |
if (s->cd_sector_size == 2352) { |
1477 |
n = 1;
|
1478 |
s->io_buffer_size = s->cd_sector_size; |
1479 |
data_offset = 16;
|
1480 |
} else {
|
1481 |
n = s->packet_transfer_size >> 11;
|
1482 |
if (n > (IDE_DMA_BUF_SECTORS / 4)) |
1483 |
n = (IDE_DMA_BUF_SECTORS / 4);
|
1484 |
s->io_buffer_size = n * 2048;
|
1485 |
data_offset = 0;
|
1486 |
} |
1487 |
#ifdef DEBUG_AIO
|
1488 |
printf("aio_read_cd: lba=%u n=%d\n", s->lba, n);
|
1489 |
#endif
|
1490 |
bm->iov.iov_base = (void *)(s->io_buffer + data_offset);
|
1491 |
bm->iov.iov_len = n * 4 * 512; |
1492 |
qemu_iovec_init_external(&bm->qiov, &bm->iov, 1);
|
1493 |
bm->aiocb = bdrv_aio_readv(s->bs, (int64_t)s->lba << 2, &bm->qiov,
|
1494 |
n * 4, ide_atapi_cmd_read_dma_cb, bm);
|
1495 |
if (!bm->aiocb) {
|
1496 |
/* Note: media not present is the most likely case */
|
1497 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
1498 |
ASC_MEDIUM_NOT_PRESENT); |
1499 |
goto eot;
|
1500 |
} |
1501 |
} |
1502 |
|
1503 |
/* start a CD-CDROM read command with DMA */
|
1504 |
/* XXX: test if DMA is available */
|
1505 |
static void ide_atapi_cmd_read_dma(IDEState *s, int lba, int nb_sectors, |
1506 |
int sector_size)
|
1507 |
{ |
1508 |
s->lba = lba; |
1509 |
s->packet_transfer_size = nb_sectors * sector_size; |
1510 |
s->io_buffer_index = 0;
|
1511 |
s->io_buffer_size = 0;
|
1512 |
s->cd_sector_size = sector_size; |
1513 |
|
1514 |
/* XXX: check if BUSY_STAT should be set */
|
1515 |
s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; |
1516 |
ide_dma_start(s, ide_atapi_cmd_read_dma_cb); |
1517 |
} |
1518 |
|
1519 |
static void ide_atapi_cmd_read(IDEState *s, int lba, int nb_sectors, |
1520 |
int sector_size)
|
1521 |
{ |
1522 |
#ifdef DEBUG_IDE_ATAPI
|
1523 |
printf("read %s: LBA=%d nb_sectors=%d\n", s->atapi_dma ? "dma" : "pio", |
1524 |
lba, nb_sectors); |
1525 |
#endif
|
1526 |
if (s->atapi_dma) {
|
1527 |
ide_atapi_cmd_read_dma(s, lba, nb_sectors, sector_size); |
1528 |
} else {
|
1529 |
ide_atapi_cmd_read_pio(s, lba, nb_sectors, sector_size); |
1530 |
} |
1531 |
} |
1532 |
|
1533 |
static inline uint8_t ide_atapi_set_profile(uint8_t *buf, uint8_t *index, |
1534 |
uint16_t profile) |
1535 |
{ |
1536 |
uint8_t *buf_profile = buf + 12; /* start of profiles */ |
1537 |
|
1538 |
buf_profile += ((*index) * 4); /* start of indexed profile */ |
1539 |
cpu_to_ube16 (buf_profile, profile); |
1540 |
buf_profile[2] = ((buf_profile[0] == buf[6]) && (buf_profile[1] == buf[7])); |
1541 |
|
1542 |
/* each profile adds 4 bytes to the response */
|
1543 |
(*index)++; |
1544 |
buf[11] += 4; /* Additional Length */ |
1545 |
|
1546 |
return 4; |
1547 |
} |
1548 |
|
1549 |
static int ide_dvd_read_structure(IDEState *s, int format, |
1550 |
const uint8_t *packet, uint8_t *buf)
|
1551 |
{ |
1552 |
switch (format) {
|
1553 |
case 0x0: /* Physical format information */ |
1554 |
{ |
1555 |
int layer = packet[6]; |
1556 |
uint64_t total_sectors; |
1557 |
|
1558 |
if (layer != 0) |
1559 |
return -ASC_INV_FIELD_IN_CMD_PACKET;
|
1560 |
|
1561 |
bdrv_get_geometry(s->bs, &total_sectors); |
1562 |
total_sectors >>= 2;
|
1563 |
if (total_sectors == 0) |
1564 |
return -ASC_MEDIUM_NOT_PRESENT;
|
1565 |
|
1566 |
buf[4] = 1; /* DVD-ROM, part version 1 */ |
1567 |
buf[5] = 0xf; /* 120mm disc, minimum rate unspecified */ |
1568 |
buf[6] = 1; /* one layer, read-only (per MMC-2 spec) */ |
1569 |
buf[7] = 0; /* default densities */ |
1570 |
|
1571 |
/* FIXME: 0x30000 per spec? */
|
1572 |
cpu_to_ube32(buf + 8, 0); /* start sector */ |
1573 |
cpu_to_ube32(buf + 12, total_sectors - 1); /* end sector */ |
1574 |
cpu_to_ube32(buf + 16, total_sectors - 1); /* l0 end sector */ |
1575 |
|
1576 |
/* Size of buffer, not including 2 byte size field */
|
1577 |
cpu_to_be16wu((uint16_t *)buf, 2048 + 2); |
1578 |
|
1579 |
/* 2k data + 4 byte header */
|
1580 |
return (2048 + 4); |
1581 |
} |
1582 |
|
1583 |
case 0x01: /* DVD copyright information */ |
1584 |
buf[4] = 0; /* no copyright data */ |
1585 |
buf[5] = 0; /* no region restrictions */ |
1586 |
|
1587 |
/* Size of buffer, not including 2 byte size field */
|
1588 |
cpu_to_be16wu((uint16_t *)buf, 4 + 2); |
1589 |
|
1590 |
/* 4 byte header + 4 byte data */
|
1591 |
return (4 + 4); |
1592 |
|
1593 |
case 0x03: /* BCA information - invalid field for no BCA info */ |
1594 |
return -ASC_INV_FIELD_IN_CMD_PACKET;
|
1595 |
|
1596 |
case 0x04: /* DVD disc manufacturing information */ |
1597 |
/* Size of buffer, not including 2 byte size field */
|
1598 |
cpu_to_be16wu((uint16_t *)buf, 2048 + 2); |
1599 |
|
1600 |
/* 2k data + 4 byte header */
|
1601 |
return (2048 + 4); |
1602 |
|
1603 |
case 0xff: |
1604 |
/*
|
1605 |
* This lists all the command capabilities above. Add new ones
|
1606 |
* in order and update the length and buffer return values.
|
1607 |
*/
|
1608 |
|
1609 |
buf[4] = 0x00; /* Physical format */ |
1610 |
buf[5] = 0x40; /* Not writable, is readable */ |
1611 |
cpu_to_be16wu((uint16_t *)(buf + 6), 2048 + 4); |
1612 |
|
1613 |
buf[8] = 0x01; /* Copyright info */ |
1614 |
buf[9] = 0x40; /* Not writable, is readable */ |
1615 |
cpu_to_be16wu((uint16_t *)(buf + 10), 4 + 4); |
1616 |
|
1617 |
buf[12] = 0x03; /* BCA info */ |
1618 |
buf[13] = 0x40; /* Not writable, is readable */ |
1619 |
cpu_to_be16wu((uint16_t *)(buf + 14), 188 + 4); |
1620 |
|
1621 |
buf[16] = 0x04; /* Manufacturing info */ |
1622 |
buf[17] = 0x40; /* Not writable, is readable */ |
1623 |
cpu_to_be16wu((uint16_t *)(buf + 18), 2048 + 4); |
1624 |
|
1625 |
/* Size of buffer, not including 2 byte size field */
|
1626 |
cpu_to_be16wu((uint16_t *)buf, 16 + 2); |
1627 |
|
1628 |
/* data written + 4 byte header */
|
1629 |
return (16 + 4); |
1630 |
|
1631 |
default: /* TODO: formats beyond DVD-ROM requires */ |
1632 |
return -ASC_INV_FIELD_IN_CMD_PACKET;
|
1633 |
} |
1634 |
} |
1635 |
|
1636 |
static void ide_atapi_cmd(IDEState *s) |
1637 |
{ |
1638 |
const uint8_t *packet;
|
1639 |
uint8_t *buf; |
1640 |
int max_len;
|
1641 |
|
1642 |
packet = s->io_buffer; |
1643 |
buf = s->io_buffer; |
1644 |
#ifdef DEBUG_IDE_ATAPI
|
1645 |
{ |
1646 |
int i;
|
1647 |
printf("ATAPI limit=0x%x packet:", s->lcyl | (s->hcyl << 8)); |
1648 |
for(i = 0; i < ATAPI_PACKET_SIZE; i++) { |
1649 |
printf(" %02x", packet[i]);
|
1650 |
} |
1651 |
printf("\n");
|
1652 |
} |
1653 |
#endif
|
1654 |
/* If there's a UNIT_ATTENTION condition pending, only
|
1655 |
REQUEST_SENSE and INQUIRY commands are allowed to complete. */
|
1656 |
if (s->sense_key == SENSE_UNIT_ATTENTION &&
|
1657 |
s->io_buffer[0] != GPCMD_REQUEST_SENSE &&
|
1658 |
s->io_buffer[0] != GPCMD_INQUIRY) {
|
1659 |
ide_atapi_cmd_check_status(s); |
1660 |
return;
|
1661 |
} |
1662 |
switch(s->io_buffer[0]) { |
1663 |
case GPCMD_TEST_UNIT_READY:
|
1664 |
if (bdrv_is_inserted(s->bs) && !s->cdrom_changed) {
|
1665 |
ide_atapi_cmd_ok(s); |
1666 |
} else {
|
1667 |
s->cdrom_changed = 0;
|
1668 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
1669 |
ASC_MEDIUM_NOT_PRESENT); |
1670 |
} |
1671 |
break;
|
1672 |
case GPCMD_MODE_SENSE_6:
|
1673 |
case GPCMD_MODE_SENSE_10:
|
1674 |
{ |
1675 |
int action, code;
|
1676 |
if (packet[0] == GPCMD_MODE_SENSE_10) |
1677 |
max_len = ube16_to_cpu(packet + 7);
|
1678 |
else
|
1679 |
max_len = packet[4];
|
1680 |
action = packet[2] >> 6; |
1681 |
code = packet[2] & 0x3f; |
1682 |
switch(action) {
|
1683 |
case 0: /* current values */ |
1684 |
switch(code) {
|
1685 |
case 0x01: /* error recovery */ |
1686 |
cpu_to_ube16(&buf[0], 16 + 6); |
1687 |
buf[2] = 0x70; |
1688 |
buf[3] = 0; |
1689 |
buf[4] = 0; |
1690 |
buf[5] = 0; |
1691 |
buf[6] = 0; |
1692 |
buf[7] = 0; |
1693 |
|
1694 |
buf[8] = 0x01; |
1695 |
buf[9] = 0x06; |
1696 |
buf[10] = 0x00; |
1697 |
buf[11] = 0x05; |
1698 |
buf[12] = 0x00; |
1699 |
buf[13] = 0x00; |
1700 |
buf[14] = 0x00; |
1701 |
buf[15] = 0x00; |
1702 |
ide_atapi_cmd_reply(s, 16, max_len);
|
1703 |
break;
|
1704 |
case 0x2a: |
1705 |
cpu_to_ube16(&buf[0], 28 + 6); |
1706 |
buf[2] = 0x70; |
1707 |
buf[3] = 0; |
1708 |
buf[4] = 0; |
1709 |
buf[5] = 0; |
1710 |
buf[6] = 0; |
1711 |
buf[7] = 0; |
1712 |
|
1713 |
buf[8] = 0x2a; |
1714 |
buf[9] = 0x12; |
1715 |
buf[10] = 0x00; |
1716 |
buf[11] = 0x00; |
1717 |
|
1718 |
/* Claim PLAY_AUDIO capability (0x01) since some Linux
|
1719 |
code checks for this to automount media. */
|
1720 |
buf[12] = 0x71; |
1721 |
buf[13] = 3 << 5; |
1722 |
buf[14] = (1 << 0) | (1 << 3) | (1 << 5); |
1723 |
if (bdrv_is_locked(s->bs))
|
1724 |
buf[6] |= 1 << 1; |
1725 |
buf[15] = 0x00; |
1726 |
cpu_to_ube16(&buf[16], 706); |
1727 |
buf[18] = 0; |
1728 |
buf[19] = 2; |
1729 |
cpu_to_ube16(&buf[20], 512); |
1730 |
cpu_to_ube16(&buf[22], 706); |
1731 |
buf[24] = 0; |
1732 |
buf[25] = 0; |
1733 |
buf[26] = 0; |
1734 |
buf[27] = 0; |
1735 |
ide_atapi_cmd_reply(s, 28, max_len);
|
1736 |
break;
|
1737 |
default:
|
1738 |
goto error_cmd;
|
1739 |
} |
1740 |
break;
|
1741 |
case 1: /* changeable values */ |
1742 |
goto error_cmd;
|
1743 |
case 2: /* default values */ |
1744 |
goto error_cmd;
|
1745 |
default:
|
1746 |
case 3: /* saved values */ |
1747 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
1748 |
ASC_SAVING_PARAMETERS_NOT_SUPPORTED); |
1749 |
break;
|
1750 |
} |
1751 |
} |
1752 |
break;
|
1753 |
case GPCMD_REQUEST_SENSE:
|
1754 |
max_len = packet[4];
|
1755 |
memset(buf, 0, 18); |
1756 |
buf[0] = 0x70 | (1 << 7); |
1757 |
buf[2] = s->sense_key;
|
1758 |
buf[7] = 10; |
1759 |
buf[12] = s->asc;
|
1760 |
if (s->sense_key == SENSE_UNIT_ATTENTION)
|
1761 |
s->sense_key = SENSE_NONE; |
1762 |
ide_atapi_cmd_reply(s, 18, max_len);
|
1763 |
break;
|
1764 |
case GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
|
1765 |
if (bdrv_is_inserted(s->bs)) {
|
1766 |
bdrv_set_locked(s->bs, packet[4] & 1); |
1767 |
ide_atapi_cmd_ok(s); |
1768 |
} else {
|
1769 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
1770 |
ASC_MEDIUM_NOT_PRESENT); |
1771 |
} |
1772 |
break;
|
1773 |
case GPCMD_READ_10:
|
1774 |
case GPCMD_READ_12:
|
1775 |
{ |
1776 |
int nb_sectors, lba;
|
1777 |
|
1778 |
if (packet[0] == GPCMD_READ_10) |
1779 |
nb_sectors = ube16_to_cpu(packet + 7);
|
1780 |
else
|
1781 |
nb_sectors = ube32_to_cpu(packet + 6);
|
1782 |
lba = ube32_to_cpu(packet + 2);
|
1783 |
if (nb_sectors == 0) { |
1784 |
ide_atapi_cmd_ok(s); |
1785 |
break;
|
1786 |
} |
1787 |
ide_atapi_cmd_read(s, lba, nb_sectors, 2048);
|
1788 |
} |
1789 |
break;
|
1790 |
case GPCMD_READ_CD:
|
1791 |
{ |
1792 |
int nb_sectors, lba, transfer_request;
|
1793 |
|
1794 |
nb_sectors = (packet[6] << 16) | (packet[7] << 8) | packet[8]; |
1795 |
lba = ube32_to_cpu(packet + 2);
|
1796 |
if (nb_sectors == 0) { |
1797 |
ide_atapi_cmd_ok(s); |
1798 |
break;
|
1799 |
} |
1800 |
transfer_request = packet[9];
|
1801 |
switch(transfer_request & 0xf8) { |
1802 |
case 0x00: |
1803 |
/* nothing */
|
1804 |
ide_atapi_cmd_ok(s); |
1805 |
break;
|
1806 |
case 0x10: |
1807 |
/* normal read */
|
1808 |
ide_atapi_cmd_read(s, lba, nb_sectors, 2048);
|
1809 |
break;
|
1810 |
case 0xf8: |
1811 |
/* read all data */
|
1812 |
ide_atapi_cmd_read(s, lba, nb_sectors, 2352);
|
1813 |
break;
|
1814 |
default:
|
1815 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
1816 |
ASC_INV_FIELD_IN_CMD_PACKET); |
1817 |
break;
|
1818 |
} |
1819 |
} |
1820 |
break;
|
1821 |
case GPCMD_SEEK:
|
1822 |
{ |
1823 |
unsigned int lba; |
1824 |
uint64_t total_sectors; |
1825 |
|
1826 |
bdrv_get_geometry(s->bs, &total_sectors); |
1827 |
total_sectors >>= 2;
|
1828 |
if (total_sectors == 0) { |
1829 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
1830 |
ASC_MEDIUM_NOT_PRESENT); |
1831 |
break;
|
1832 |
} |
1833 |
lba = ube32_to_cpu(packet + 2);
|
1834 |
if (lba >= total_sectors) {
|
1835 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
1836 |
ASC_LOGICAL_BLOCK_OOR); |
1837 |
break;
|
1838 |
} |
1839 |
ide_atapi_cmd_ok(s); |
1840 |
} |
1841 |
break;
|
1842 |
case GPCMD_START_STOP_UNIT:
|
1843 |
{ |
1844 |
int start, eject, err = 0; |
1845 |
start = packet[4] & 1; |
1846 |
eject = (packet[4] >> 1) & 1; |
1847 |
|
1848 |
if (eject) {
|
1849 |
err = bdrv_eject(s->bs, !start); |
1850 |
} |
1851 |
|
1852 |
switch (err) {
|
1853 |
case 0: |
1854 |
ide_atapi_cmd_ok(s); |
1855 |
break;
|
1856 |
case -EBUSY:
|
1857 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
1858 |
ASC_MEDIA_REMOVAL_PREVENTED); |
1859 |
break;
|
1860 |
default:
|
1861 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
1862 |
ASC_MEDIUM_NOT_PRESENT); |
1863 |
break;
|
1864 |
} |
1865 |
} |
1866 |
break;
|
1867 |
case GPCMD_MECHANISM_STATUS:
|
1868 |
{ |
1869 |
max_len = ube16_to_cpu(packet + 8);
|
1870 |
cpu_to_ube16(buf, 0);
|
1871 |
/* no current LBA */
|
1872 |
buf[2] = 0; |
1873 |
buf[3] = 0; |
1874 |
buf[4] = 0; |
1875 |
buf[5] = 1; |
1876 |
cpu_to_ube16(buf + 6, 0); |
1877 |
ide_atapi_cmd_reply(s, 8, max_len);
|
1878 |
} |
1879 |
break;
|
1880 |
case GPCMD_READ_TOC_PMA_ATIP:
|
1881 |
{ |
1882 |
int format, msf, start_track, len;
|
1883 |
uint64_t total_sectors; |
1884 |
|
1885 |
bdrv_get_geometry(s->bs, &total_sectors); |
1886 |
total_sectors >>= 2;
|
1887 |
if (total_sectors == 0) { |
1888 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
1889 |
ASC_MEDIUM_NOT_PRESENT); |
1890 |
break;
|
1891 |
} |
1892 |
max_len = ube16_to_cpu(packet + 7);
|
1893 |
format = packet[9] >> 6; |
1894 |
msf = (packet[1] >> 1) & 1; |
1895 |
start_track = packet[6];
|
1896 |
switch(format) {
|
1897 |
case 0: |
1898 |
len = cdrom_read_toc(total_sectors, buf, msf, start_track); |
1899 |
if (len < 0) |
1900 |
goto error_cmd;
|
1901 |
ide_atapi_cmd_reply(s, len, max_len); |
1902 |
break;
|
1903 |
case 1: |
1904 |
/* multi session : only a single session defined */
|
1905 |
memset(buf, 0, 12); |
1906 |
buf[1] = 0x0a; |
1907 |
buf[2] = 0x01; |
1908 |
buf[3] = 0x01; |
1909 |
ide_atapi_cmd_reply(s, 12, max_len);
|
1910 |
break;
|
1911 |
case 2: |
1912 |
len = cdrom_read_toc_raw(total_sectors, buf, msf, start_track); |
1913 |
if (len < 0) |
1914 |
goto error_cmd;
|
1915 |
ide_atapi_cmd_reply(s, len, max_len); |
1916 |
break;
|
1917 |
default:
|
1918 |
error_cmd:
|
1919 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
1920 |
ASC_INV_FIELD_IN_CMD_PACKET); |
1921 |
break;
|
1922 |
} |
1923 |
} |
1924 |
break;
|
1925 |
case GPCMD_READ_CDVD_CAPACITY:
|
1926 |
{ |
1927 |
uint64_t total_sectors; |
1928 |
|
1929 |
bdrv_get_geometry(s->bs, &total_sectors); |
1930 |
total_sectors >>= 2;
|
1931 |
if (total_sectors == 0) { |
1932 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
1933 |
ASC_MEDIUM_NOT_PRESENT); |
1934 |
break;
|
1935 |
} |
1936 |
/* NOTE: it is really the number of sectors minus 1 */
|
1937 |
cpu_to_ube32(buf, total_sectors - 1);
|
1938 |
cpu_to_ube32(buf + 4, 2048); |
1939 |
ide_atapi_cmd_reply(s, 8, 8); |
1940 |
} |
1941 |
break;
|
1942 |
case GPCMD_READ_DVD_STRUCTURE:
|
1943 |
{ |
1944 |
int media = packet[1]; |
1945 |
int format = packet[7]; |
1946 |
int ret;
|
1947 |
|
1948 |
max_len = ube16_to_cpu(packet + 8);
|
1949 |
|
1950 |
if (format < 0xff) { |
1951 |
if (media_is_cd(s)) {
|
1952 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
1953 |
ASC_INCOMPATIBLE_FORMAT); |
1954 |
break;
|
1955 |
} else if (!media_present(s)) { |
1956 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
1957 |
ASC_INV_FIELD_IN_CMD_PACKET); |
1958 |
break;
|
1959 |
} |
1960 |
} |
1961 |
|
1962 |
memset(buf, 0, max_len > IDE_DMA_BUF_SECTORS * 512 + 4 ? |
1963 |
IDE_DMA_BUF_SECTORS * 512 + 4 : max_len); |
1964 |
|
1965 |
switch (format) {
|
1966 |
case 0x00 ... 0x7f: |
1967 |
case 0xff: |
1968 |
if (media == 0) { |
1969 |
ret = ide_dvd_read_structure(s, format, packet, buf); |
1970 |
|
1971 |
if (ret < 0) |
1972 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, -ret); |
1973 |
else
|
1974 |
ide_atapi_cmd_reply(s, ret, max_len); |
1975 |
|
1976 |
break;
|
1977 |
} |
1978 |
/* TODO: BD support, fall through for now */
|
1979 |
|
1980 |
/* Generic disk structures */
|
1981 |
case 0x80: /* TODO: AACS volume identifier */ |
1982 |
case 0x81: /* TODO: AACS media serial number */ |
1983 |
case 0x82: /* TODO: AACS media identifier */ |
1984 |
case 0x83: /* TODO: AACS media key block */ |
1985 |
case 0x90: /* TODO: List of recognized format layers */ |
1986 |
case 0xc0: /* TODO: Write protection status */ |
1987 |
default:
|
1988 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
1989 |
ASC_INV_FIELD_IN_CMD_PACKET); |
1990 |
break;
|
1991 |
} |
1992 |
} |
1993 |
break;
|
1994 |
case GPCMD_SET_SPEED:
|
1995 |
ide_atapi_cmd_ok(s); |
1996 |
break;
|
1997 |
case GPCMD_INQUIRY:
|
1998 |
max_len = packet[4];
|
1999 |
buf[0] = 0x05; /* CD-ROM */ |
2000 |
buf[1] = 0x80; /* removable */ |
2001 |
buf[2] = 0x00; /* ISO */ |
2002 |
buf[3] = 0x21; /* ATAPI-2 (XXX: put ATAPI-4 ?) */ |
2003 |
buf[4] = 31; /* additional length */ |
2004 |
buf[5] = 0; /* reserved */ |
2005 |
buf[6] = 0; /* reserved */ |
2006 |
buf[7] = 0; /* reserved */ |
2007 |
padstr8(buf + 8, 8, "QEMU"); |
2008 |
padstr8(buf + 16, 16, "QEMU DVD-ROM"); |
2009 |
padstr8(buf + 32, 4, QEMU_VERSION); |
2010 |
ide_atapi_cmd_reply(s, 36, max_len);
|
2011 |
break;
|
2012 |
case GPCMD_GET_CONFIGURATION:
|
2013 |
{ |
2014 |
uint32_t len; |
2015 |
uint8_t index = 0;
|
2016 |
|
2017 |
/* only feature 0 is supported */
|
2018 |
if (packet[2] != 0 || packet[3] != 0) { |
2019 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
2020 |
ASC_INV_FIELD_IN_CMD_PACKET); |
2021 |
break;
|
2022 |
} |
2023 |
|
2024 |
/* XXX: could result in alignment problems in some architectures */
|
2025 |
max_len = ube16_to_cpu(packet + 7);
|
2026 |
|
2027 |
/*
|
2028 |
* XXX: avoid overflow for io_buffer if max_len is bigger than
|
2029 |
* the size of that buffer (dimensioned to max number of
|
2030 |
* sectors to transfer at once)
|
2031 |
*
|
2032 |
* Only a problem if the feature/profiles grow.
|
2033 |
*/
|
2034 |
if (max_len > 512) /* XXX: assume 1 sector */ |
2035 |
max_len = 512;
|
2036 |
|
2037 |
memset(buf, 0, max_len);
|
2038 |
/*
|
2039 |
* the number of sectors from the media tells us which profile
|
2040 |
* to use as current. 0 means there is no media
|
2041 |
*/
|
2042 |
if (media_is_dvd(s))
|
2043 |
cpu_to_ube16(buf + 6, MMC_PROFILE_DVD_ROM);
|
2044 |
else if (media_is_cd(s)) |
2045 |
cpu_to_ube16(buf + 6, MMC_PROFILE_CD_ROM);
|
2046 |
|
2047 |
buf[10] = 0x02 | 0x01; /* persistent and current */ |
2048 |
len = 12; /* headers: 8 + 4 */ |
2049 |
len += ide_atapi_set_profile(buf, &index, MMC_PROFILE_DVD_ROM); |
2050 |
len += ide_atapi_set_profile(buf, &index, MMC_PROFILE_CD_ROM); |
2051 |
cpu_to_ube32(buf, len - 4); /* data length */ |
2052 |
|
2053 |
ide_atapi_cmd_reply(s, len, max_len); |
2054 |
break;
|
2055 |
} |
2056 |
default:
|
2057 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
2058 |
ASC_ILLEGAL_OPCODE); |
2059 |
break;
|
2060 |
} |
2061 |
} |
2062 |
|
2063 |
static void ide_cfata_metadata_inquiry(IDEState *s) |
2064 |
{ |
2065 |
uint16_t *p; |
2066 |
uint32_t spd; |
2067 |
|
2068 |
p = (uint16_t *) s->io_buffer; |
2069 |
memset(p, 0, 0x200); |
2070 |
spd = ((s->mdata_size - 1) >> 9) + 1; |
2071 |
|
2072 |
put_le16(p + 0, 0x0001); /* Data format revision */ |
2073 |
put_le16(p + 1, 0x0000); /* Media property: silicon */ |
2074 |
put_le16(p + 2, s->media_changed); /* Media status */ |
2075 |
put_le16(p + 3, s->mdata_size & 0xffff); /* Capacity in bytes (low) */ |
2076 |
put_le16(p + 4, s->mdata_size >> 16); /* Capacity in bytes (high) */ |
2077 |
put_le16(p + 5, spd & 0xffff); /* Sectors per device (low) */ |
2078 |
put_le16(p + 6, spd >> 16); /* Sectors per device (high) */ |
2079 |
} |
2080 |
|
2081 |
static void ide_cfata_metadata_read(IDEState *s) |
2082 |
{ |
2083 |
uint16_t *p; |
2084 |
|
2085 |
if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) { |
2086 |
s->status = ERR_STAT; |
2087 |
s->error = ABRT_ERR; |
2088 |
return;
|
2089 |
} |
2090 |
|
2091 |
p = (uint16_t *) s->io_buffer; |
2092 |
memset(p, 0, 0x200); |
2093 |
|
2094 |
put_le16(p + 0, s->media_changed); /* Media status */ |
2095 |
memcpy(p + 1, s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9), |
2096 |
MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9), |
2097 |
s->nsector << 9), 0x200 - 2)); |
2098 |
} |
2099 |
|
2100 |
static void ide_cfata_metadata_write(IDEState *s) |
2101 |
{ |
2102 |
if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) { |
2103 |
s->status = ERR_STAT; |
2104 |
s->error = ABRT_ERR; |
2105 |
return;
|
2106 |
} |
2107 |
|
2108 |
s->media_changed = 0;
|
2109 |
|
2110 |
memcpy(s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9), |
2111 |
s->io_buffer + 2,
|
2112 |
MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9), |
2113 |
s->nsector << 9), 0x200 - 2)); |
2114 |
} |
2115 |
|
2116 |
/* called when the inserted state of the media has changed */
|
2117 |
static void cdrom_change_cb(void *opaque) |
2118 |
{ |
2119 |
IDEState *s = opaque; |
2120 |
uint64_t nb_sectors; |
2121 |
|
2122 |
bdrv_get_geometry(s->bs, &nb_sectors); |
2123 |
s->nb_sectors = nb_sectors; |
2124 |
|
2125 |
s->sense_key = SENSE_UNIT_ATTENTION; |
2126 |
s->asc = ASC_MEDIUM_MAY_HAVE_CHANGED; |
2127 |
s->cdrom_changed = 1;
|
2128 |
ide_set_irq(s); |
2129 |
} |
2130 |
|
2131 |
static void ide_cmd_lba48_transform(IDEState *s, int lba48) |
2132 |
{ |
2133 |
s->lba48 = lba48; |
2134 |
|
2135 |
/* handle the 'magic' 0 nsector count conversion here. to avoid
|
2136 |
* fiddling with the rest of the read logic, we just store the
|
2137 |
* full sector count in ->nsector and ignore ->hob_nsector from now
|
2138 |
*/
|
2139 |
if (!s->lba48) {
|
2140 |
if (!s->nsector)
|
2141 |
s->nsector = 256;
|
2142 |
} else {
|
2143 |
if (!s->nsector && !s->hob_nsector)
|
2144 |
s->nsector = 65536;
|
2145 |
else {
|
2146 |
int lo = s->nsector;
|
2147 |
int hi = s->hob_nsector;
|
2148 |
|
2149 |
s->nsector = (hi << 8) | lo;
|
2150 |
} |
2151 |
} |
2152 |
} |
2153 |
|
2154 |
static void ide_clear_hob(IDEState *ide_if) |
2155 |
{ |
2156 |
/* any write clears HOB high bit of device control register */
|
2157 |
ide_if[0].select &= ~(1 << 7); |
2158 |
ide_if[1].select &= ~(1 << 7); |
2159 |
} |
2160 |
|
2161 |
static void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val) |
2162 |
{ |
2163 |
IDEState *ide_if = opaque; |
2164 |
IDEState *s; |
2165 |
int unit, n;
|
2166 |
int lba48 = 0; |
2167 |
|
2168 |
#ifdef DEBUG_IDE
|
2169 |
printf("IDE: write addr=0x%x val=0x%02x\n", addr, val);
|
2170 |
#endif
|
2171 |
|
2172 |
addr &= 7;
|
2173 |
|
2174 |
/* ignore writes to command block while busy with previous command */
|
2175 |
if (addr != 7 && (ide_if->cur_drive->status & (BUSY_STAT|DRQ_STAT))) |
2176 |
return;
|
2177 |
|
2178 |
switch(addr) {
|
2179 |
case 0: |
2180 |
break;
|
2181 |
case 1: |
2182 |
ide_clear_hob(ide_if); |
2183 |
/* NOTE: data is written to the two drives */
|
2184 |
ide_if[0].hob_feature = ide_if[0].feature; |
2185 |
ide_if[1].hob_feature = ide_if[1].feature; |
2186 |
ide_if[0].feature = val;
|
2187 |
ide_if[1].feature = val;
|
2188 |
break;
|
2189 |
case 2: |
2190 |
ide_clear_hob(ide_if); |
2191 |
ide_if[0].hob_nsector = ide_if[0].nsector; |
2192 |
ide_if[1].hob_nsector = ide_if[1].nsector; |
2193 |
ide_if[0].nsector = val;
|
2194 |
ide_if[1].nsector = val;
|
2195 |
break;
|
2196 |
case 3: |
2197 |
ide_clear_hob(ide_if); |
2198 |
ide_if[0].hob_sector = ide_if[0].sector; |
2199 |
ide_if[1].hob_sector = ide_if[1].sector; |
2200 |
ide_if[0].sector = val;
|
2201 |
ide_if[1].sector = val;
|
2202 |
break;
|
2203 |
case 4: |
2204 |
ide_clear_hob(ide_if); |
2205 |
ide_if[0].hob_lcyl = ide_if[0].lcyl; |
2206 |
ide_if[1].hob_lcyl = ide_if[1].lcyl; |
2207 |
ide_if[0].lcyl = val;
|
2208 |
ide_if[1].lcyl = val;
|
2209 |
break;
|
2210 |
case 5: |
2211 |
ide_clear_hob(ide_if); |
2212 |
ide_if[0].hob_hcyl = ide_if[0].hcyl; |
2213 |
ide_if[1].hob_hcyl = ide_if[1].hcyl; |
2214 |
ide_if[0].hcyl = val;
|
2215 |
ide_if[1].hcyl = val;
|
2216 |
break;
|
2217 |
case 6: |
2218 |
/* FIXME: HOB readback uses bit 7 */
|
2219 |
ide_if[0].select = (val & ~0x10) | 0xa0; |
2220 |
ide_if[1].select = (val | 0x10) | 0xa0; |
2221 |
/* select drive */
|
2222 |
unit = (val >> 4) & 1; |
2223 |
s = ide_if + unit; |
2224 |
ide_if->cur_drive = s; |
2225 |
break;
|
2226 |
default:
|
2227 |
case 7: |
2228 |
/* command */
|
2229 |
#if defined(DEBUG_IDE)
|
2230 |
printf("ide: CMD=%02x\n", val);
|
2231 |
#endif
|
2232 |
s = ide_if->cur_drive; |
2233 |
/* ignore commands to non existant slave */
|
2234 |
if (s != ide_if && !s->bs)
|
2235 |
break;
|
2236 |
|
2237 |
/* Only DEVICE RESET is allowed while BSY or/and DRQ are set */
|
2238 |
if ((s->status & (BUSY_STAT|DRQ_STAT)) && val != WIN_DEVICE_RESET)
|
2239 |
break;
|
2240 |
|
2241 |
switch(val) {
|
2242 |
case WIN_IDENTIFY:
|
2243 |
if (s->bs && !s->is_cdrom) {
|
2244 |
if (!s->is_cf)
|
2245 |
ide_identify(s); |
2246 |
else
|
2247 |
ide_cfata_identify(s); |
2248 |
s->status = READY_STAT | SEEK_STAT; |
2249 |
ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop);
|
2250 |
} else {
|
2251 |
if (s->is_cdrom) {
|
2252 |
ide_set_signature(s); |
2253 |
} |
2254 |
ide_abort_command(s); |
2255 |
} |
2256 |
ide_set_irq(s); |
2257 |
break;
|
2258 |
case WIN_SPECIFY:
|
2259 |
case WIN_RECAL:
|
2260 |
s->error = 0;
|
2261 |
s->status = READY_STAT | SEEK_STAT; |
2262 |
ide_set_irq(s); |
2263 |
break;
|
2264 |
case WIN_SETMULT:
|
2265 |
if (s->is_cf && s->nsector == 0) { |
2266 |
/* Disable Read and Write Multiple */
|
2267 |
s->mult_sectors = 0;
|
2268 |
s->status = READY_STAT | SEEK_STAT; |
2269 |
} else if ((s->nsector & 0xff) != 0 && |
2270 |
((s->nsector & 0xff) > MAX_MULT_SECTORS ||
|
2271 |
(s->nsector & (s->nsector - 1)) != 0)) { |
2272 |
ide_abort_command(s); |
2273 |
} else {
|
2274 |
s->mult_sectors = s->nsector & 0xff;
|
2275 |
s->status = READY_STAT | SEEK_STAT; |
2276 |
} |
2277 |
ide_set_irq(s); |
2278 |
break;
|
2279 |
case WIN_VERIFY_EXT:
|
2280 |
lba48 = 1;
|
2281 |
case WIN_VERIFY:
|
2282 |
case WIN_VERIFY_ONCE:
|
2283 |
/* do sector number check ? */
|
2284 |
ide_cmd_lba48_transform(s, lba48); |
2285 |
s->status = READY_STAT | SEEK_STAT; |
2286 |
ide_set_irq(s); |
2287 |
break;
|
2288 |
case WIN_READ_EXT:
|
2289 |
lba48 = 1;
|
2290 |
case WIN_READ:
|
2291 |
case WIN_READ_ONCE:
|
2292 |
if (!s->bs)
|
2293 |
goto abort_cmd;
|
2294 |
ide_cmd_lba48_transform(s, lba48); |
2295 |
s->req_nb_sectors = 1;
|
2296 |
ide_sector_read(s); |
2297 |
break;
|
2298 |
case WIN_WRITE_EXT:
|
2299 |
lba48 = 1;
|
2300 |
case WIN_WRITE:
|
2301 |
case WIN_WRITE_ONCE:
|
2302 |
case CFA_WRITE_SECT_WO_ERASE:
|
2303 |
case WIN_WRITE_VERIFY:
|
2304 |
ide_cmd_lba48_transform(s, lba48); |
2305 |
s->error = 0;
|
2306 |
s->status = SEEK_STAT | READY_STAT; |
2307 |
s->req_nb_sectors = 1;
|
2308 |
ide_transfer_start(s, s->io_buffer, 512, ide_sector_write);
|
2309 |
s->media_changed = 1;
|
2310 |
break;
|
2311 |
case WIN_MULTREAD_EXT:
|
2312 |
lba48 = 1;
|
2313 |
case WIN_MULTREAD:
|
2314 |
if (!s->mult_sectors)
|
2315 |
goto abort_cmd;
|
2316 |
ide_cmd_lba48_transform(s, lba48); |
2317 |
s->req_nb_sectors = s->mult_sectors; |
2318 |
ide_sector_read(s); |
2319 |
break;
|
2320 |
case WIN_MULTWRITE_EXT:
|
2321 |
lba48 = 1;
|
2322 |
case WIN_MULTWRITE:
|
2323 |
case CFA_WRITE_MULTI_WO_ERASE:
|
2324 |
if (!s->mult_sectors)
|
2325 |
goto abort_cmd;
|
2326 |
ide_cmd_lba48_transform(s, lba48); |
2327 |
s->error = 0;
|
2328 |
s->status = SEEK_STAT | READY_STAT; |
2329 |
s->req_nb_sectors = s->mult_sectors; |
2330 |
n = s->nsector; |
2331 |
if (n > s->req_nb_sectors)
|
2332 |
n = s->req_nb_sectors; |
2333 |
ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_write);
|
2334 |
s->media_changed = 1;
|
2335 |
break;
|
2336 |
case WIN_READDMA_EXT:
|
2337 |
lba48 = 1;
|
2338 |
case WIN_READDMA:
|
2339 |
case WIN_READDMA_ONCE:
|
2340 |
if (!s->bs)
|
2341 |
goto abort_cmd;
|
2342 |
ide_cmd_lba48_transform(s, lba48); |
2343 |
ide_sector_read_dma(s); |
2344 |
break;
|
2345 |
case WIN_WRITEDMA_EXT:
|
2346 |
lba48 = 1;
|
2347 |
case WIN_WRITEDMA:
|
2348 |
case WIN_WRITEDMA_ONCE:
|
2349 |
if (!s->bs)
|
2350 |
goto abort_cmd;
|
2351 |
ide_cmd_lba48_transform(s, lba48); |
2352 |
ide_sector_write_dma(s); |
2353 |
s->media_changed = 1;
|
2354 |
break;
|
2355 |
case WIN_READ_NATIVE_MAX_EXT:
|
2356 |
lba48 = 1;
|
2357 |
case WIN_READ_NATIVE_MAX:
|
2358 |
ide_cmd_lba48_transform(s, lba48); |
2359 |
ide_set_sector(s, s->nb_sectors - 1);
|
2360 |
s->status = READY_STAT | SEEK_STAT; |
2361 |
ide_set_irq(s); |
2362 |
break;
|
2363 |
case WIN_CHECKPOWERMODE1:
|
2364 |
case WIN_CHECKPOWERMODE2:
|
2365 |
s->nsector = 0xff; /* device active or idle */ |
2366 |
s->status = READY_STAT | SEEK_STAT; |
2367 |
ide_set_irq(s); |
2368 |
break;
|
2369 |
case WIN_SETFEATURES:
|
2370 |
if (!s->bs)
|
2371 |
goto abort_cmd;
|
2372 |
/* XXX: valid for CDROM ? */
|
2373 |
switch(s->feature) {
|
2374 |
case 0xcc: /* reverting to power-on defaults enable */ |
2375 |
case 0x66: /* reverting to power-on defaults disable */ |
2376 |
case 0x02: /* write cache enable */ |
2377 |
case 0x82: /* write cache disable */ |
2378 |
case 0xaa: /* read look-ahead enable */ |
2379 |
case 0x55: /* read look-ahead disable */ |
2380 |
case 0x05: /* set advanced power management mode */ |
2381 |
case 0x85: /* disable advanced power management mode */ |
2382 |
case 0x69: /* NOP */ |
2383 |
case 0x67: /* NOP */ |
2384 |
case 0x96: /* NOP */ |
2385 |
case 0x9a: /* NOP */ |
2386 |
case 0x42: /* enable Automatic Acoustic Mode */ |
2387 |
case 0xc2: /* disable Automatic Acoustic Mode */ |
2388 |
s->status = READY_STAT | SEEK_STAT; |
2389 |
ide_set_irq(s); |
2390 |
break;
|
2391 |
case 0x03: { /* set transfer mode */ |
2392 |
uint8_t val = s->nsector & 0x07;
|
2393 |
|
2394 |
switch (s->nsector >> 3) { |
2395 |
case 0x00: /* pio default */ |
2396 |
case 0x01: /* pio mode */ |
2397 |
put_le16(s->identify_data + 62,0x07); |
2398 |
put_le16(s->identify_data + 63,0x07); |
2399 |
put_le16(s->identify_data + 88,0x3f); |
2400 |
break;
|
2401 |
case 0x02: /* sigle word dma mode*/ |
2402 |
put_le16(s->identify_data + 62,0x07 | (1 << (val + 8))); |
2403 |
put_le16(s->identify_data + 63,0x07); |
2404 |
put_le16(s->identify_data + 88,0x3f); |
2405 |
break;
|
2406 |
case 0x04: /* mdma mode */ |
2407 |
put_le16(s->identify_data + 62,0x07); |
2408 |
put_le16(s->identify_data + 63,0x07 | (1 << (val + 8))); |
2409 |
put_le16(s->identify_data + 88,0x3f); |
2410 |
break;
|
2411 |
case 0x08: /* udma mode */ |
2412 |
put_le16(s->identify_data + 62,0x07); |
2413 |
put_le16(s->identify_data + 63,0x07); |
2414 |
put_le16(s->identify_data + 88,0x3f | (1 << (val + 8))); |
2415 |
break;
|
2416 |
default:
|
2417 |
goto abort_cmd;
|
2418 |
} |
2419 |
s->status = READY_STAT | SEEK_STAT; |
2420 |
ide_set_irq(s); |
2421 |
break;
|
2422 |
} |
2423 |
default:
|
2424 |
goto abort_cmd;
|
2425 |
} |
2426 |
break;
|
2427 |
case WIN_FLUSH_CACHE:
|
2428 |
case WIN_FLUSH_CACHE_EXT:
|
2429 |
if (s->bs)
|
2430 |
bdrv_flush(s->bs); |
2431 |
s->status = READY_STAT | SEEK_STAT; |
2432 |
ide_set_irq(s); |
2433 |
break;
|
2434 |
case WIN_STANDBY:
|
2435 |
case WIN_STANDBY2:
|
2436 |
case WIN_STANDBYNOW1:
|
2437 |
case WIN_STANDBYNOW2:
|
2438 |
case WIN_IDLEIMMEDIATE:
|
2439 |
case CFA_IDLEIMMEDIATE:
|
2440 |
case WIN_SETIDLE1:
|
2441 |
case WIN_SETIDLE2:
|
2442 |
case WIN_SLEEPNOW1:
|
2443 |
case WIN_SLEEPNOW2:
|
2444 |
s->status = READY_STAT; |
2445 |
ide_set_irq(s); |
2446 |
break;
|
2447 |
case WIN_SEEK:
|
2448 |
if(s->is_cdrom)
|
2449 |
goto abort_cmd;
|
2450 |
/* XXX: Check that seek is within bounds */
|
2451 |
s->status = READY_STAT | SEEK_STAT; |
2452 |
ide_set_irq(s); |
2453 |
break;
|
2454 |
/* ATAPI commands */
|
2455 |
case WIN_PIDENTIFY:
|
2456 |
if (s->is_cdrom) {
|
2457 |
ide_atapi_identify(s); |
2458 |
s->status = READY_STAT | SEEK_STAT; |
2459 |
ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop);
|
2460 |
} else {
|
2461 |
ide_abort_command(s); |
2462 |
} |
2463 |
ide_set_irq(s); |
2464 |
break;
|
2465 |
case WIN_DIAGNOSE:
|
2466 |
ide_set_signature(s); |
2467 |
if (s->is_cdrom)
|
2468 |
s->status = 0; /* ATAPI spec (v6) section 9.10 defines packet |
2469 |
* devices to return a clear status register
|
2470 |
* with READY_STAT *not* set. */
|
2471 |
else
|
2472 |
s->status = READY_STAT | SEEK_STAT; |
2473 |
s->error = 0x01; /* Device 0 passed, Device 1 passed or not |
2474 |
* present.
|
2475 |
*/
|
2476 |
ide_set_irq(s); |
2477 |
break;
|
2478 |
case WIN_SRST:
|
2479 |
if (!s->is_cdrom)
|
2480 |
goto abort_cmd;
|
2481 |
ide_set_signature(s); |
2482 |
s->status = 0x00; /* NOTE: READY is _not_ set */ |
2483 |
s->error = 0x01;
|
2484 |
break;
|
2485 |
case WIN_PACKETCMD:
|
2486 |
if (!s->is_cdrom)
|
2487 |
goto abort_cmd;
|
2488 |
/* overlapping commands not supported */
|
2489 |
if (s->feature & 0x02) |
2490 |
goto abort_cmd;
|
2491 |
s->status = READY_STAT | SEEK_STAT; |
2492 |
s->atapi_dma = s->feature & 1;
|
2493 |
s->nsector = 1;
|
2494 |
ide_transfer_start(s, s->io_buffer, ATAPI_PACKET_SIZE, |
2495 |
ide_atapi_cmd); |
2496 |
break;
|
2497 |
/* CF-ATA commands */
|
2498 |
case CFA_REQ_EXT_ERROR_CODE:
|
2499 |
if (!s->is_cf)
|
2500 |
goto abort_cmd;
|
2501 |
s->error = 0x09; /* miscellaneous error */ |
2502 |
s->status = READY_STAT | SEEK_STAT; |
2503 |
ide_set_irq(s); |
2504 |
break;
|
2505 |
case CFA_ERASE_SECTORS:
|
2506 |
case CFA_WEAR_LEVEL:
|
2507 |
if (!s->is_cf)
|
2508 |
goto abort_cmd;
|
2509 |
if (val == CFA_WEAR_LEVEL)
|
2510 |
s->nsector = 0;
|
2511 |
if (val == CFA_ERASE_SECTORS)
|
2512 |
s->media_changed = 1;
|
2513 |
s->error = 0x00;
|
2514 |
s->status = READY_STAT | SEEK_STAT; |
2515 |
ide_set_irq(s); |
2516 |
break;
|
2517 |
case CFA_TRANSLATE_SECTOR:
|
2518 |
if (!s->is_cf)
|
2519 |
goto abort_cmd;
|
2520 |
s->error = 0x00;
|
2521 |
s->status = READY_STAT | SEEK_STAT; |
2522 |
memset(s->io_buffer, 0, 0x200); |
2523 |
s->io_buffer[0x00] = s->hcyl; /* Cyl MSB */ |
2524 |
s->io_buffer[0x01] = s->lcyl; /* Cyl LSB */ |
2525 |
s->io_buffer[0x02] = s->select; /* Head */ |
2526 |
s->io_buffer[0x03] = s->sector; /* Sector */ |
2527 |
s->io_buffer[0x04] = ide_get_sector(s) >> 16; /* LBA MSB */ |
2528 |
s->io_buffer[0x05] = ide_get_sector(s) >> 8; /* LBA */ |
2529 |
s->io_buffer[0x06] = ide_get_sector(s) >> 0; /* LBA LSB */ |
2530 |
s->io_buffer[0x13] = 0x00; /* Erase flag */ |
2531 |
s->io_buffer[0x18] = 0x00; /* Hot count */ |
2532 |
s->io_buffer[0x19] = 0x00; /* Hot count */ |
2533 |
s->io_buffer[0x1a] = 0x01; /* Hot count */ |
2534 |
ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop);
|
2535 |
ide_set_irq(s); |
2536 |
break;
|
2537 |
case CFA_ACCESS_METADATA_STORAGE:
|
2538 |
if (!s->is_cf)
|
2539 |
goto abort_cmd;
|
2540 |
switch (s->feature) {
|
2541 |
case 0x02: /* Inquiry Metadata Storage */ |
2542 |
ide_cfata_metadata_inquiry(s); |
2543 |
break;
|
2544 |
case 0x03: /* Read Metadata Storage */ |
2545 |
ide_cfata_metadata_read(s); |
2546 |
break;
|
2547 |
case 0x04: /* Write Metadata Storage */ |
2548 |
ide_cfata_metadata_write(s); |
2549 |
break;
|
2550 |
default:
|
2551 |
goto abort_cmd;
|
2552 |
} |
2553 |
ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop);
|
2554 |
s->status = 0x00; /* NOTE: READY is _not_ set */ |
2555 |
ide_set_irq(s); |
2556 |
break;
|
2557 |
case IBM_SENSE_CONDITION:
|
2558 |
if (!s->is_cf)
|
2559 |
goto abort_cmd;
|
2560 |
switch (s->feature) {
|
2561 |
case 0x01: /* sense temperature in device */ |
2562 |
s->nsector = 0x50; /* +20 C */ |
2563 |
break;
|
2564 |
default:
|
2565 |
goto abort_cmd;
|
2566 |
} |
2567 |
s->status = READY_STAT | SEEK_STAT; |
2568 |
ide_set_irq(s); |
2569 |
break;
|
2570 |
default:
|
2571 |
abort_cmd:
|
2572 |
ide_abort_command(s); |
2573 |
ide_set_irq(s); |
2574 |
break;
|
2575 |
} |
2576 |
} |
2577 |
} |
2578 |
|
2579 |
static uint32_t ide_ioport_read(void *opaque, uint32_t addr1) |
2580 |
{ |
2581 |
IDEState *ide_if = opaque; |
2582 |
IDEState *s = ide_if->cur_drive; |
2583 |
uint32_t addr; |
2584 |
int ret, hob;
|
2585 |
|
2586 |
addr = addr1 & 7;
|
2587 |
/* FIXME: HOB readback uses bit 7, but it's always set right now */
|
2588 |
//hob = s->select & (1 << 7);
|
2589 |
hob = 0;
|
2590 |
switch(addr) {
|
2591 |
case 0: |
2592 |
ret = 0xff;
|
2593 |
break;
|
2594 |
case 1: |
2595 |
if ((!ide_if[0].bs && !ide_if[1].bs) || |
2596 |
(s != ide_if && !s->bs)) |
2597 |
ret = 0;
|
2598 |
else if (!hob) |
2599 |
ret = s->error; |
2600 |
else
|
2601 |
ret = s->hob_feature; |
2602 |
break;
|
2603 |
case 2: |
2604 |
if (!ide_if[0].bs && !ide_if[1].bs) |
2605 |
ret = 0;
|
2606 |
else if (!hob) |
2607 |
ret = s->nsector & 0xff;
|
2608 |
else
|
2609 |
ret = s->hob_nsector; |
2610 |
break;
|
2611 |
case 3: |
2612 |
if (!ide_if[0].bs && !ide_if[1].bs) |
2613 |
ret = 0;
|
2614 |
else if (!hob) |
2615 |
ret = s->sector; |
2616 |
else
|
2617 |
ret = s->hob_sector; |
2618 |
break;
|
2619 |
case 4: |
2620 |
if (!ide_if[0].bs && !ide_if[1].bs) |
2621 |
ret = 0;
|
2622 |
else if (!hob) |
2623 |
ret = s->lcyl; |
2624 |
else
|
2625 |
ret = s->hob_lcyl; |
2626 |
break;
|
2627 |
case 5: |
2628 |
if (!ide_if[0].bs && !ide_if[1].bs) |
2629 |
ret = 0;
|
2630 |
else if (!hob) |
2631 |
ret = s->hcyl; |
2632 |
else
|
2633 |
ret = s->hob_hcyl; |
2634 |
break;
|
2635 |
case 6: |
2636 |
if (!ide_if[0].bs && !ide_if[1].bs) |
2637 |
ret = 0;
|
2638 |
else
|
2639 |
ret = s->select; |
2640 |
break;
|
2641 |
default:
|
2642 |
case 7: |
2643 |
if ((!ide_if[0].bs && !ide_if[1].bs) || |
2644 |
(s != ide_if && !s->bs)) |
2645 |
ret = 0;
|
2646 |
else
|
2647 |
ret = s->status; |
2648 |
qemu_irq_lower(s->irq); |
2649 |
break;
|
2650 |
} |
2651 |
#ifdef DEBUG_IDE
|
2652 |
printf("ide: read addr=0x%x val=%02x\n", addr1, ret);
|
2653 |
#endif
|
2654 |
return ret;
|
2655 |
} |
2656 |
|
2657 |
static uint32_t ide_status_read(void *opaque, uint32_t addr) |
2658 |
{ |
2659 |
IDEState *ide_if = opaque; |
2660 |
IDEState *s = ide_if->cur_drive; |
2661 |
int ret;
|
2662 |
|
2663 |
if ((!ide_if[0].bs && !ide_if[1].bs) || |
2664 |
(s != ide_if && !s->bs)) |
2665 |
ret = 0;
|
2666 |
else
|
2667 |
ret = s->status; |
2668 |
#ifdef DEBUG_IDE
|
2669 |
printf("ide: read status addr=0x%x val=%02x\n", addr, ret);
|
2670 |
#endif
|
2671 |
return ret;
|
2672 |
} |
2673 |
|
2674 |
static void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val) |
2675 |
{ |
2676 |
IDEState *ide_if = opaque; |
2677 |
IDEState *s; |
2678 |
int i;
|
2679 |
|
2680 |
#ifdef DEBUG_IDE
|
2681 |
printf("ide: write control addr=0x%x val=%02x\n", addr, val);
|
2682 |
#endif
|
2683 |
/* common for both drives */
|
2684 |
if (!(ide_if[0].cmd & IDE_CMD_RESET) && |
2685 |
(val & IDE_CMD_RESET)) { |
2686 |
/* reset low to high */
|
2687 |
for(i = 0;i < 2; i++) { |
2688 |
s = &ide_if[i]; |
2689 |
s->status = BUSY_STAT | SEEK_STAT; |
2690 |
s->error = 0x01;
|
2691 |
} |
2692 |
} else if ((ide_if[0].cmd & IDE_CMD_RESET) && |
2693 |
!(val & IDE_CMD_RESET)) { |
2694 |
/* high to low */
|
2695 |
for(i = 0;i < 2; i++) { |
2696 |
s = &ide_if[i]; |
2697 |
if (s->is_cdrom)
|
2698 |
s->status = 0x00; /* NOTE: READY is _not_ set */ |
2699 |
else
|
2700 |
s->status = READY_STAT | SEEK_STAT; |
2701 |
ide_set_signature(s); |
2702 |
} |
2703 |
} |
2704 |
|
2705 |
ide_if[0].cmd = val;
|
2706 |
ide_if[1].cmd = val;
|
2707 |
} |
2708 |
|
2709 |
static void ide_data_writew(void *opaque, uint32_t addr, uint32_t val) |
2710 |
{ |
2711 |
IDEState *s = ((IDEState *)opaque)->cur_drive; |
2712 |
uint8_t *p; |
2713 |
|
2714 |
/* PIO data access allowed only when DRQ bit is set */
|
2715 |
if (!(s->status & DRQ_STAT))
|
2716 |
return;
|
2717 |
|
2718 |
p = s->data_ptr; |
2719 |
*(uint16_t *)p = le16_to_cpu(val); |
2720 |
p += 2;
|
2721 |
s->data_ptr = p; |
2722 |
if (p >= s->data_end)
|
2723 |
s->end_transfer_func(s); |
2724 |
} |
2725 |
|
2726 |
static uint32_t ide_data_readw(void *opaque, uint32_t addr) |
2727 |
{ |
2728 |
IDEState *s = ((IDEState *)opaque)->cur_drive; |
2729 |
uint8_t *p; |
2730 |
int ret;
|
2731 |
|
2732 |
/* PIO data access allowed only when DRQ bit is set */
|
2733 |
if (!(s->status & DRQ_STAT))
|
2734 |
return 0; |
2735 |
|
2736 |
p = s->data_ptr; |
2737 |
ret = cpu_to_le16(*(uint16_t *)p); |
2738 |
p += 2;
|
2739 |
s->data_ptr = p; |
2740 |
if (p >= s->data_end)
|
2741 |
s->end_transfer_func(s); |
2742 |
return ret;
|
2743 |
} |
2744 |
|
2745 |
static void ide_data_writel(void *opaque, uint32_t addr, uint32_t val) |
2746 |
{ |
2747 |
IDEState *s = ((IDEState *)opaque)->cur_drive; |
2748 |
uint8_t *p; |
2749 |
|
2750 |
/* PIO data access allowed only when DRQ bit is set */
|
2751 |
if (!(s->status & DRQ_STAT))
|
2752 |
return;
|
2753 |
|
2754 |
p = s->data_ptr; |
2755 |
*(uint32_t *)p = le32_to_cpu(val); |
2756 |
p += 4;
|
2757 |
s->data_ptr = p; |
2758 |
if (p >= s->data_end)
|
2759 |
s->end_transfer_func(s); |
2760 |
} |
2761 |
|
2762 |
static uint32_t ide_data_readl(void *opaque, uint32_t addr) |
2763 |
{ |
2764 |
IDEState *s = ((IDEState *)opaque)->cur_drive; |
2765 |
uint8_t *p; |
2766 |
int ret;
|
2767 |
|
2768 |
/* PIO data access allowed only when DRQ bit is set */
|
2769 |
if (!(s->status & DRQ_STAT))
|
2770 |
return 0; |
2771 |
|
2772 |
p = s->data_ptr; |
2773 |
ret = cpu_to_le32(*(uint32_t *)p); |
2774 |
p += 4;
|
2775 |
s->data_ptr = p; |
2776 |
if (p >= s->data_end)
|
2777 |
s->end_transfer_func(s); |
2778 |
return ret;
|
2779 |
} |
2780 |
|
2781 |
static void ide_dummy_transfer_stop(IDEState *s) |
2782 |
{ |
2783 |
s->data_ptr = s->io_buffer; |
2784 |
s->data_end = s->io_buffer; |
2785 |
s->io_buffer[0] = 0xff; |
2786 |
s->io_buffer[1] = 0xff; |
2787 |
s->io_buffer[2] = 0xff; |
2788 |
s->io_buffer[3] = 0xff; |
2789 |
} |
2790 |
|
2791 |
static void ide_reset(IDEState *s) |
2792 |
{ |
2793 |
if (s->is_cf)
|
2794 |
s->mult_sectors = 0;
|
2795 |
else
|
2796 |
s->mult_sectors = MAX_MULT_SECTORS; |
2797 |
s->cur_drive = s; |
2798 |
s->select = 0xa0;
|
2799 |
s->status = READY_STAT | SEEK_STAT; |
2800 |
ide_set_signature(s); |
2801 |
/* init the transfer handler so that 0xffff is returned on data
|
2802 |
accesses */
|
2803 |
s->end_transfer_func = ide_dummy_transfer_stop; |
2804 |
ide_dummy_transfer_stop(s); |
2805 |
s->media_changed = 0;
|
2806 |
} |
2807 |
|
2808 |
static void ide_init2(IDEState *ide_state, |
2809 |
BlockDriverState *hd0, BlockDriverState *hd1, |
2810 |
qemu_irq irq) |
2811 |
{ |
2812 |
IDEState *s; |
2813 |
static int drive_serial = 1; |
2814 |
int i, cylinders, heads, secs;
|
2815 |
uint64_t nb_sectors; |
2816 |
|
2817 |
for(i = 0; i < 2; i++) { |
2818 |
s = ide_state + i; |
2819 |
if (i == 0) |
2820 |
s->bs = hd0; |
2821 |
else
|
2822 |
s->bs = hd1; |
2823 |
s->io_buffer = qemu_blockalign(s->bs, IDE_DMA_BUF_SECTORS*512 + 4); |
2824 |
if (s->bs) {
|
2825 |
bdrv_get_geometry(s->bs, &nb_sectors); |
2826 |
bdrv_guess_geometry(s->bs, &cylinders, &heads, &secs); |
2827 |
s->cylinders = cylinders; |
2828 |
s->heads = heads; |
2829 |
s->sectors = secs; |
2830 |
s->nb_sectors = nb_sectors; |
2831 |
|
2832 |
if (bdrv_get_type_hint(s->bs) == BDRV_TYPE_CDROM) {
|
2833 |
s->is_cdrom = 1;
|
2834 |
bdrv_set_change_cb(s->bs, cdrom_change_cb, s); |
2835 |
} |
2836 |
} |
2837 |
s->drive_serial = drive_serial++; |
2838 |
strncpy(s->drive_serial_str, drive_get_serial(s->bs), |
2839 |
sizeof(s->drive_serial_str));
|
2840 |
if (strlen(s->drive_serial_str) == 0) |
2841 |
snprintf(s->drive_serial_str, sizeof(s->drive_serial_str),
|
2842 |
"QM%05d", s->drive_serial);
|
2843 |
s->irq = irq; |
2844 |
s->sector_write_timer = qemu_new_timer(vm_clock, |
2845 |
ide_sector_write_timer_cb, s); |
2846 |
ide_reset(s); |
2847 |
} |
2848 |
} |
2849 |
|
2850 |
static void ide_init_ioport(IDEState *ide_state, int iobase, int iobase2) |
2851 |
{ |
2852 |
register_ioport_write(iobase, 8, 1, ide_ioport_write, ide_state); |
2853 |
register_ioport_read(iobase, 8, 1, ide_ioport_read, ide_state); |
2854 |
if (iobase2) {
|
2855 |
register_ioport_read(iobase2, 1, 1, ide_status_read, ide_state); |
2856 |
register_ioport_write(iobase2, 1, 1, ide_cmd_write, ide_state); |
2857 |
} |
2858 |
|
2859 |
/* data ports */
|
2860 |
register_ioport_write(iobase, 2, 2, ide_data_writew, ide_state); |
2861 |
register_ioport_read(iobase, 2, 2, ide_data_readw, ide_state); |
2862 |
register_ioport_write(iobase, 4, 4, ide_data_writel, ide_state); |
2863 |
register_ioport_read(iobase, 4, 4, ide_data_readl, ide_state); |
2864 |
} |
2865 |
|
2866 |
/* save per IDE drive data */
|
2867 |
static void ide_save(QEMUFile* f, IDEState *s) |
2868 |
{ |
2869 |
qemu_put_be32(f, s->mult_sectors); |
2870 |
qemu_put_be32(f, s->identify_set); |
2871 |
if (s->identify_set) {
|
2872 |
qemu_put_buffer(f, (const uint8_t *)s->identify_data, 512); |
2873 |
} |
2874 |
qemu_put_8s(f, &s->feature); |
2875 |
qemu_put_8s(f, &s->error); |
2876 |
qemu_put_be32s(f, &s->nsector); |
2877 |
qemu_put_8s(f, &s->sector); |
2878 |
qemu_put_8s(f, &s->lcyl); |
2879 |
qemu_put_8s(f, &s->hcyl); |
2880 |
qemu_put_8s(f, &s->hob_feature); |
2881 |
qemu_put_8s(f, &s->hob_nsector); |
2882 |
qemu_put_8s(f, &s->hob_sector); |
2883 |
qemu_put_8s(f, &s->hob_lcyl); |
2884 |
qemu_put_8s(f, &s->hob_hcyl); |
2885 |
qemu_put_8s(f, &s->select); |
2886 |
qemu_put_8s(f, &s->status); |
2887 |
qemu_put_8s(f, &s->lba48); |
2888 |
|
2889 |
qemu_put_8s(f, &s->sense_key); |
2890 |
qemu_put_8s(f, &s->asc); |
2891 |
/* XXX: if a transfer is pending, we do not save it yet */
|
2892 |
} |
2893 |
|
2894 |
/* load per IDE drive data */
|
2895 |
static void ide_load(QEMUFile* f, IDEState *s, int version_id) |
2896 |
{ |
2897 |
s->mult_sectors=qemu_get_be32(f); |
2898 |
s->identify_set=qemu_get_be32(f); |
2899 |
if (s->identify_set) {
|
2900 |
qemu_get_buffer(f, (uint8_t *)s->identify_data, 512);
|
2901 |
} |
2902 |
qemu_get_8s(f, &s->feature); |
2903 |
qemu_get_8s(f, &s->error); |
2904 |
qemu_get_be32s(f, &s->nsector); |
2905 |
qemu_get_8s(f, &s->sector); |
2906 |
qemu_get_8s(f, &s->lcyl); |
2907 |
qemu_get_8s(f, &s->hcyl); |
2908 |
qemu_get_8s(f, &s->hob_feature); |
2909 |
qemu_get_8s(f, &s->hob_nsector); |
2910 |
qemu_get_8s(f, &s->hob_sector); |
2911 |
qemu_get_8s(f, &s->hob_lcyl); |
2912 |
qemu_get_8s(f, &s->hob_hcyl); |
2913 |
qemu_get_8s(f, &s->select); |
2914 |
qemu_get_8s(f, &s->status); |
2915 |
qemu_get_8s(f, &s->lba48); |
2916 |
|
2917 |
qemu_get_8s(f, &s->sense_key); |
2918 |
qemu_get_8s(f, &s->asc); |
2919 |
if (version_id == 3) { |
2920 |
qemu_get_8s(f, &s->cdrom_changed); |
2921 |
} else {
|
2922 |
if (s->sense_key == SENSE_UNIT_ATTENTION &&
|
2923 |
s->asc == ASC_MEDIUM_MAY_HAVE_CHANGED) |
2924 |
s->cdrom_changed = 1;
|
2925 |
} |
2926 |
/* XXX: if a transfer is pending, we do not save it yet */
|
2927 |
} |
2928 |
|
2929 |
/***********************************************************/
|
2930 |
/* ISA IDE definitions */
|
2931 |
|
2932 |
void isa_ide_init(int iobase, int iobase2, qemu_irq irq, |
2933 |
BlockDriverState *hd0, BlockDriverState *hd1) |
2934 |
{ |
2935 |
IDEState *ide_state; |
2936 |
|
2937 |
ide_state = qemu_mallocz(sizeof(IDEState) * 2); |
2938 |
|
2939 |
ide_init2(ide_state, hd0, hd1, irq); |
2940 |
ide_init_ioport(ide_state, iobase, iobase2); |
2941 |
} |
2942 |
|
2943 |
/***********************************************************/
|
2944 |
/* PCI IDE definitions */
|
2945 |
|
2946 |
static void cmd646_update_irq(PCIIDEState *d); |
2947 |
|
2948 |
static void ide_map(PCIDevice *pci_dev, int region_num, |
2949 |
uint32_t addr, uint32_t size, int type)
|
2950 |
{ |
2951 |
PCIIDEState *d = (PCIIDEState *)pci_dev; |
2952 |
IDEState *ide_state; |
2953 |
|
2954 |
if (region_num <= 3) { |
2955 |
ide_state = &d->ide_if[(region_num >> 1) * 2]; |
2956 |
if (region_num & 1) { |
2957 |
register_ioport_read(addr + 2, 1, 1, ide_status_read, ide_state); |
2958 |
register_ioport_write(addr + 2, 1, 1, ide_cmd_write, ide_state); |
2959 |
} else {
|
2960 |
register_ioport_write(addr, 8, 1, ide_ioport_write, ide_state); |
2961 |
register_ioport_read(addr, 8, 1, ide_ioport_read, ide_state); |
2962 |
|
2963 |
/* data ports */
|
2964 |
register_ioport_write(addr, 2, 2, ide_data_writew, ide_state); |
2965 |
register_ioport_read(addr, 2, 2, ide_data_readw, ide_state); |
2966 |
register_ioport_write(addr, 4, 4, ide_data_writel, ide_state); |
2967 |
register_ioport_read(addr, 4, 4, ide_data_readl, ide_state); |
2968 |
} |
2969 |
} |
2970 |
} |
2971 |
|
2972 |
static void ide_dma_start(IDEState *s, BlockDriverCompletionFunc *dma_cb) |
2973 |
{ |
2974 |
BMDMAState *bm = s->bmdma; |
2975 |
if(!bm)
|
2976 |
return;
|
2977 |
bm->ide_if = s; |
2978 |
bm->dma_cb = dma_cb; |
2979 |
bm->cur_prd_last = 0;
|
2980 |
bm->cur_prd_addr = 0;
|
2981 |
bm->cur_prd_len = 0;
|
2982 |
bm->sector_num = ide_get_sector(s); |
2983 |
bm->nsector = s->nsector; |
2984 |
if (bm->status & BM_STATUS_DMAING) {
|
2985 |
bm->dma_cb(bm, 0);
|
2986 |
} |
2987 |
} |
2988 |
|
2989 |
static void ide_dma_restart(IDEState *s) |
2990 |
{ |
2991 |
BMDMAState *bm = s->bmdma; |
2992 |
ide_set_sector(s, bm->sector_num); |
2993 |
s->io_buffer_index = 0;
|
2994 |
s->io_buffer_size = 0;
|
2995 |
s->nsector = bm->nsector; |
2996 |
bm->cur_addr = bm->addr; |
2997 |
bm->dma_cb = ide_write_dma_cb; |
2998 |
ide_dma_start(s, bm->dma_cb); |
2999 |
} |
3000 |
|
3001 |
static void ide_dma_cancel(BMDMAState *bm) |
3002 |
{ |
3003 |
if (bm->status & BM_STATUS_DMAING) {
|
3004 |
bm->status &= ~BM_STATUS_DMAING; |
3005 |
/* cancel DMA request */
|
3006 |
bm->ide_if = NULL;
|
3007 |
bm->dma_cb = NULL;
|
3008 |
if (bm->aiocb) {
|
3009 |
#ifdef DEBUG_AIO
|
3010 |
printf("aio_cancel\n");
|
3011 |
#endif
|
3012 |
bdrv_aio_cancel(bm->aiocb); |
3013 |
bm->aiocb = NULL;
|
3014 |
} |
3015 |
} |
3016 |
} |
3017 |
|
3018 |
static void bmdma_cmd_writeb(void *opaque, uint32_t addr, uint32_t val) |
3019 |
{ |
3020 |
BMDMAState *bm = opaque; |
3021 |
#ifdef DEBUG_IDE
|
3022 |
printf("%s: 0x%08x\n", __func__, val);
|
3023 |
#endif
|
3024 |
if (!(val & BM_CMD_START)) {
|
3025 |
/* XXX: do it better */
|
3026 |
ide_dma_cancel(bm); |
3027 |
bm->cmd = val & 0x09;
|
3028 |
} else {
|
3029 |
if (!(bm->status & BM_STATUS_DMAING)) {
|
3030 |
bm->status |= BM_STATUS_DMAING; |
3031 |
/* start dma transfer if possible */
|
3032 |
if (bm->dma_cb)
|
3033 |
bm->dma_cb(bm, 0);
|
3034 |
} |
3035 |
bm->cmd = val & 0x09;
|
3036 |
} |
3037 |
} |
3038 |
|
3039 |
static uint32_t bmdma_readb(void *opaque, uint32_t addr) |
3040 |
{ |
3041 |
BMDMAState *bm = opaque; |
3042 |
PCIIDEState *pci_dev; |
3043 |
uint32_t val; |
3044 |
|
3045 |
switch(addr & 3) { |
3046 |
case 0: |
3047 |
val = bm->cmd; |
3048 |
break;
|
3049 |
case 1: |
3050 |
pci_dev = bm->pci_dev; |
3051 |
if (pci_dev->type == IDE_TYPE_CMD646) {
|
3052 |
val = pci_dev->dev.config[MRDMODE]; |
3053 |
} else {
|
3054 |
val = 0xff;
|
3055 |
} |
3056 |
break;
|
3057 |
case 2: |
3058 |
val = bm->status; |
3059 |
break;
|
3060 |
case 3: |
3061 |
pci_dev = bm->pci_dev; |
3062 |
if (pci_dev->type == IDE_TYPE_CMD646) {
|
3063 |
if (bm == &pci_dev->bmdma[0]) |
3064 |
val = pci_dev->dev.config[UDIDETCR0]; |
3065 |
else
|
3066 |
val = pci_dev->dev.config[UDIDETCR1]; |
3067 |
} else {
|
3068 |
val = 0xff;
|
3069 |
} |
3070 |
break;
|
3071 |
default:
|
3072 |
val = 0xff;
|
3073 |
break;
|
3074 |
} |
3075 |
#ifdef DEBUG_IDE
|
3076 |
printf("bmdma: readb 0x%02x : 0x%02x\n", addr, val);
|
3077 |
#endif
|
3078 |
return val;
|
3079 |
} |
3080 |
|
3081 |
static void bmdma_writeb(void *opaque, uint32_t addr, uint32_t val) |
3082 |
{ |
3083 |
BMDMAState *bm = opaque; |
3084 |
PCIIDEState *pci_dev; |
3085 |
#ifdef DEBUG_IDE
|
3086 |
printf("bmdma: writeb 0x%02x : 0x%02x\n", addr, val);
|
3087 |
#endif
|
3088 |
switch(addr & 3) { |
3089 |
case 1: |
3090 |
pci_dev = bm->pci_dev; |
3091 |
if (pci_dev->type == IDE_TYPE_CMD646) {
|
3092 |
pci_dev->dev.config[MRDMODE] = |
3093 |
(pci_dev->dev.config[MRDMODE] & ~0x30) | (val & 0x30); |
3094 |
cmd646_update_irq(pci_dev); |
3095 |
} |
3096 |
break;
|
3097 |
case 2: |
3098 |
bm->status = (val & 0x60) | (bm->status & 1) | (bm->status & ~val & 0x06); |
3099 |
break;
|
3100 |
case 3: |
3101 |
pci_dev = bm->pci_dev; |
3102 |
if (pci_dev->type == IDE_TYPE_CMD646) {
|
3103 |
if (bm == &pci_dev->bmdma[0]) |
3104 |
pci_dev->dev.config[UDIDETCR0] = val; |
3105 |
else
|
3106 |
pci_dev->dev.config[UDIDETCR1] = val; |
3107 |
} |
3108 |
break;
|
3109 |
} |
3110 |
} |
3111 |
|
3112 |
static uint32_t bmdma_addr_readb(void *opaque, uint32_t addr) |
3113 |
{ |
3114 |
BMDMAState *bm = opaque; |
3115 |
uint32_t val; |
3116 |
val = (bm->addr >> ((addr & 3) * 8)) & 0xff; |
3117 |
#ifdef DEBUG_IDE
|
3118 |
printf("%s: 0x%08x\n", __func__, val);
|
3119 |
#endif
|
3120 |
return val;
|
3121 |
} |
3122 |
|
3123 |
static void bmdma_addr_writeb(void *opaque, uint32_t addr, uint32_t val) |
3124 |
{ |
3125 |
BMDMAState *bm = opaque; |
3126 |
int shift = (addr & 3) * 8; |
3127 |
#ifdef DEBUG_IDE
|
3128 |
printf("%s: 0x%08x\n", __func__, val);
|
3129 |
#endif
|
3130 |
bm->addr &= ~(0xFF << shift);
|
3131 |
bm->addr |= ((val & 0xFF) << shift) & ~3; |
3132 |
bm->cur_addr = bm->addr; |
3133 |
} |
3134 |
|
3135 |
static uint32_t bmdma_addr_readw(void *opaque, uint32_t addr) |
3136 |
{ |
3137 |
BMDMAState *bm = opaque; |
3138 |
uint32_t val; |
3139 |
val = (bm->addr >> ((addr & 3) * 8)) & 0xffff; |
3140 |
#ifdef DEBUG_IDE
|
3141 |
printf("%s: 0x%08x\n", __func__, val);
|
3142 |
#endif
|
3143 |
return val;
|
3144 |
} |
3145 |
|
3146 |
static void bmdma_addr_writew(void *opaque, uint32_t addr, uint32_t val) |
3147 |
{ |
3148 |
BMDMAState *bm = opaque; |
3149 |
int shift = (addr & 3) * 8; |
3150 |
#ifdef DEBUG_IDE
|
3151 |
printf("%s: 0x%08x\n", __func__, val);
|
3152 |
#endif
|
3153 |
bm->addr &= ~(0xFFFF << shift);
|
3154 |
bm->addr |= ((val & 0xFFFF) << shift) & ~3; |
3155 |
bm->cur_addr = bm->addr; |
3156 |
} |
3157 |
|
3158 |
static uint32_t bmdma_addr_readl(void *opaque, uint32_t addr) |
3159 |
{ |
3160 |
BMDMAState *bm = opaque; |
3161 |
uint32_t val; |
3162 |
val = bm->addr; |
3163 |
#ifdef DEBUG_IDE
|
3164 |
printf("%s: 0x%08x\n", __func__, val);
|
3165 |
#endif
|
3166 |
return val;
|
3167 |
} |
3168 |
|
3169 |
static void bmdma_addr_writel(void *opaque, uint32_t addr, uint32_t val) |
3170 |
{ |
3171 |
BMDMAState *bm = opaque; |
3172 |
#ifdef DEBUG_IDE
|
3173 |
printf("%s: 0x%08x\n", __func__, val);
|
3174 |
#endif
|
3175 |
bm->addr = val & ~3;
|
3176 |
bm->cur_addr = bm->addr; |
3177 |
} |
3178 |
|
3179 |
static void bmdma_map(PCIDevice *pci_dev, int region_num, |
3180 |
uint32_t addr, uint32_t size, int type)
|
3181 |
{ |
3182 |
PCIIDEState *d = (PCIIDEState *)pci_dev; |
3183 |
int i;
|
3184 |
|
3185 |
for(i = 0;i < 2; i++) { |
3186 |
BMDMAState *bm = &d->bmdma[i]; |
3187 |
d->ide_if[2 * i].bmdma = bm;
|
3188 |
d->ide_if[2 * i + 1].bmdma = bm; |
3189 |
bm->pci_dev = (PCIIDEState *)pci_dev; |
3190 |
qemu_add_vm_change_state_handler(ide_dma_restart_cb, bm); |
3191 |
|
3192 |
register_ioport_write(addr, 1, 1, bmdma_cmd_writeb, bm); |
3193 |
|
3194 |
register_ioport_write(addr + 1, 3, 1, bmdma_writeb, bm); |
3195 |
register_ioport_read(addr, 4, 1, bmdma_readb, bm); |
3196 |
|
3197 |
register_ioport_write(addr + 4, 4, 1, bmdma_addr_writeb, bm); |
3198 |
register_ioport_read(addr + 4, 4, 1, bmdma_addr_readb, bm); |
3199 |
register_ioport_write(addr + 4, 4, 2, bmdma_addr_writew, bm); |
3200 |
register_ioport_read(addr + 4, 4, 2, bmdma_addr_readw, bm); |
3201 |
register_ioport_write(addr + 4, 4, 4, bmdma_addr_writel, bm); |
3202 |
register_ioport_read(addr + 4, 4, 4, bmdma_addr_readl, bm); |
3203 |
addr += 8;
|
3204 |
} |
3205 |
} |
3206 |
|
3207 |
static void pci_ide_save(QEMUFile* f, void *opaque) |
3208 |
{ |
3209 |
PCIIDEState *d = opaque; |
3210 |
int i;
|
3211 |
|
3212 |
pci_device_save(&d->dev, f); |
3213 |
|
3214 |
for(i = 0; i < 2; i++) { |
3215 |
BMDMAState *bm = &d->bmdma[i]; |
3216 |
uint8_t ifidx; |
3217 |
qemu_put_8s(f, &bm->cmd); |
3218 |
qemu_put_8s(f, &bm->status); |
3219 |
qemu_put_be32s(f, &bm->addr); |
3220 |
qemu_put_sbe64s(f, &bm->sector_num); |
3221 |
qemu_put_be32s(f, &bm->nsector); |
3222 |
ifidx = bm->ide_if ? bm->ide_if - d->ide_if : 0;
|
3223 |
qemu_put_8s(f, &ifidx); |
3224 |
/* XXX: if a transfer is pending, we do not save it yet */
|
3225 |
} |
3226 |
|
3227 |
/* per IDE interface data */
|
3228 |
for(i = 0; i < 2; i++) { |
3229 |
IDEState *s = &d->ide_if[i * 2];
|
3230 |
uint8_t drive1_selected; |
3231 |
qemu_put_8s(f, &s->cmd); |
3232 |
drive1_selected = (s->cur_drive != s); |
3233 |
qemu_put_8s(f, &drive1_selected); |
3234 |
} |
3235 |
|
3236 |
/* per IDE drive data */
|
3237 |
for(i = 0; i < 4; i++) { |
3238 |
ide_save(f, &d->ide_if[i]); |
3239 |
} |
3240 |
} |
3241 |
|
3242 |
static int pci_ide_load(QEMUFile* f, void *opaque, int version_id) |
3243 |
{ |
3244 |
PCIIDEState *d = opaque; |
3245 |
int ret, i;
|
3246 |
|
3247 |
if (version_id != 2 && version_id != 3) |
3248 |
return -EINVAL;
|
3249 |
ret = pci_device_load(&d->dev, f); |
3250 |
if (ret < 0) |
3251 |
return ret;
|
3252 |
|
3253 |
for(i = 0; i < 2; i++) { |
3254 |
BMDMAState *bm = &d->bmdma[i]; |
3255 |
uint8_t ifidx; |
3256 |
qemu_get_8s(f, &bm->cmd); |
3257 |
qemu_get_8s(f, &bm->status); |
3258 |
qemu_get_be32s(f, &bm->addr); |
3259 |
qemu_get_sbe64s(f, &bm->sector_num); |
3260 |
qemu_get_be32s(f, &bm->nsector); |
3261 |
qemu_get_8s(f, &ifidx); |
3262 |
bm->ide_if = &d->ide_if[ifidx]; |
3263 |
/* XXX: if a transfer is pending, we do not save it yet */
|
3264 |
} |
3265 |
|
3266 |
/* per IDE interface data */
|
3267 |
for(i = 0; i < 2; i++) { |
3268 |
IDEState *s = &d->ide_if[i * 2];
|
3269 |
uint8_t drive1_selected; |
3270 |
qemu_get_8s(f, &s->cmd); |
3271 |
qemu_get_8s(f, &drive1_selected); |
3272 |
s->cur_drive = &d->ide_if[i * 2 + (drive1_selected != 0)]; |
3273 |
} |
3274 |
|
3275 |
/* per IDE drive data */
|
3276 |
for(i = 0; i < 4; i++) { |
3277 |
ide_load(f, &d->ide_if[i], version_id); |
3278 |
} |
3279 |
return 0; |
3280 |
} |
3281 |
|
3282 |
/* XXX: call it also when the MRDMODE is changed from the PCI config
|
3283 |
registers */
|
3284 |
static void cmd646_update_irq(PCIIDEState *d) |
3285 |
{ |
3286 |
int pci_level;
|
3287 |
pci_level = ((d->dev.config[MRDMODE] & MRDMODE_INTR_CH0) && |
3288 |
!(d->dev.config[MRDMODE] & MRDMODE_BLK_CH0)) || |
3289 |
((d->dev.config[MRDMODE] & MRDMODE_INTR_CH1) && |
3290 |
!(d->dev.config[MRDMODE] & MRDMODE_BLK_CH1)); |
3291 |
qemu_set_irq(d->dev.irq[0], pci_level);
|
3292 |
} |
3293 |
|
3294 |
/* the PCI irq level is the logical OR of the two channels */
|
3295 |
static void cmd646_set_irq(void *opaque, int channel, int level) |
3296 |
{ |
3297 |
PCIIDEState *d = opaque; |
3298 |
int irq_mask;
|
3299 |
|
3300 |
irq_mask = MRDMODE_INTR_CH0 << channel; |
3301 |
if (level)
|
3302 |
d->dev.config[MRDMODE] |= irq_mask; |
3303 |
else
|
3304 |
d->dev.config[MRDMODE] &= ~irq_mask; |
3305 |
cmd646_update_irq(d); |
3306 |
} |
3307 |
|
3308 |
static void cmd646_reset(void *opaque) |
3309 |
{ |
3310 |
PCIIDEState *d = opaque; |
3311 |
unsigned int i; |
3312 |
|
3313 |
for (i = 0; i < 2; i++) |
3314 |
ide_dma_cancel(&d->bmdma[i]); |
3315 |
} |
3316 |
|
3317 |
/* CMD646 PCI IDE controller */
|
3318 |
void pci_cmd646_ide_init(PCIBus *bus, BlockDriverState **hd_table,
|
3319 |
int secondary_ide_enabled)
|
3320 |
{ |
3321 |
PCIIDEState *d; |
3322 |
uint8_t *pci_conf; |
3323 |
int i;
|
3324 |
qemu_irq *irq; |
3325 |
|
3326 |
d = (PCIIDEState *)pci_register_device(bus, "CMD646 IDE",
|
3327 |
sizeof(PCIIDEState),
|
3328 |
-1,
|
3329 |
NULL, NULL); |
3330 |
d->type = IDE_TYPE_CMD646; |
3331 |
pci_conf = d->dev.config; |
3332 |
pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_CMD); |
3333 |
pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_CMD_646); |
3334 |
|
3335 |
pci_conf[0x08] = 0x07; // IDE controller revision |
3336 |
pci_conf[0x09] = 0x8f; |
3337 |
|
3338 |
pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_IDE); |
3339 |
pci_conf[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
|
3340 |
|
3341 |
pci_conf[0x51] = 0x04; // enable IDE0 |
3342 |
if (secondary_ide_enabled) {
|
3343 |
/* XXX: if not enabled, really disable the seconday IDE controller */
|
3344 |
pci_conf[0x51] |= 0x08; /* enable IDE1 */ |
3345 |
} |
3346 |
|
3347 |
pci_register_bar((PCIDevice *)d, 0, 0x8, |
3348 |
PCI_ADDRESS_SPACE_IO, ide_map); |
3349 |
pci_register_bar((PCIDevice *)d, 1, 0x4, |
3350 |
PCI_ADDRESS_SPACE_IO, ide_map); |
3351 |
pci_register_bar((PCIDevice *)d, 2, 0x8, |
3352 |
PCI_ADDRESS_SPACE_IO, ide_map); |
3353 |
pci_register_bar((PCIDevice *)d, 3, 0x4, |
3354 |
PCI_ADDRESS_SPACE_IO, ide_map); |
3355 |
pci_register_bar((PCIDevice *)d, 4, 0x10, |
3356 |
PCI_ADDRESS_SPACE_IO, bmdma_map); |
3357 |
|
3358 |
pci_conf[0x3d] = 0x01; // interrupt on pin 1 |
3359 |
|
3360 |
for(i = 0; i < 4; i++) |
3361 |
d->ide_if[i].pci_dev = (PCIDevice *)d; |
3362 |
|
3363 |
irq = qemu_allocate_irqs(cmd646_set_irq, d, 2);
|
3364 |
ide_init2(&d->ide_if[0], hd_table[0], hd_table[1], irq[0]); |
3365 |
ide_init2(&d->ide_if[2], hd_table[2], hd_table[3], irq[1]); |
3366 |
|
3367 |
register_savevm("ide", 0, 3, pci_ide_save, pci_ide_load, d); |
3368 |
qemu_register_reset(cmd646_reset, d); |
3369 |
cmd646_reset(d); |
3370 |
} |
3371 |
|
3372 |
static void piix3_reset(void *opaque) |
3373 |
{ |
3374 |
PCIIDEState *d = opaque; |
3375 |
uint8_t *pci_conf = d->dev.config; |
3376 |
int i;
|
3377 |
|
3378 |
for (i = 0; i < 2; i++) |
3379 |
ide_dma_cancel(&d->bmdma[i]); |
3380 |
|
3381 |
pci_conf[0x04] = 0x00; |
3382 |
pci_conf[0x05] = 0x00; |
3383 |
pci_conf[0x06] = 0x80; /* FBC */ |
3384 |
pci_conf[0x07] = 0x02; // PCI_status_devsel_medium |
3385 |
pci_conf[0x20] = 0x01; /* BMIBA: 20-23h */ |
3386 |
} |
3387 |
|
3388 |
/* hd_table must contain 4 block drivers */
|
3389 |
/* NOTE: for the PIIX3, the IRQs and IOports are hardcoded */
|
3390 |
void pci_piix3_ide_init(PCIBus *bus, BlockDriverState **hd_table, int devfn, |
3391 |
qemu_irq *pic) |
3392 |
{ |
3393 |
PCIIDEState *d; |
3394 |
uint8_t *pci_conf; |
3395 |
int i;
|
3396 |
|
3397 |
/* register a function 1 of PIIX3 */
|
3398 |
d = (PCIIDEState *)pci_register_device(bus, "PIIX3 IDE",
|
3399 |
sizeof(PCIIDEState),
|
3400 |
devfn, |
3401 |
NULL, NULL); |
3402 |
d->type = IDE_TYPE_PIIX3; |
3403 |
|
3404 |
pci_conf = d->dev.config; |
3405 |
pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL); |
3406 |
pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_INTEL_82371SB_1); |
3407 |
pci_conf[0x09] = 0x80; // legacy ATA mode |
3408 |
pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_IDE); |
3409 |
pci_conf[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
|
3410 |
|
3411 |
qemu_register_reset(piix3_reset, d); |
3412 |
piix3_reset(d); |
3413 |
|
3414 |
pci_register_bar((PCIDevice *)d, 4, 0x10, |
3415 |
PCI_ADDRESS_SPACE_IO, bmdma_map); |
3416 |
|
3417 |
ide_init2(&d->ide_if[0], hd_table[0], hd_table[1], pic[14]); |
3418 |
ide_init2(&d->ide_if[2], hd_table[2], hd_table[3], pic[15]); |
3419 |
ide_init_ioport(&d->ide_if[0], 0x1f0, 0x3f6); |
3420 |
ide_init_ioport(&d->ide_if[2], 0x170, 0x376); |
3421 |
|
3422 |
for (i = 0; i < 4; i++) |
3423 |
if (hd_table[i])
|
3424 |
hd_table[i]->private = &d->dev; |
3425 |
|
3426 |
register_savevm("ide", 0, 3, pci_ide_save, pci_ide_load, d); |
3427 |
} |
3428 |
|
3429 |
/* hd_table must contain 4 block drivers */
|
3430 |
/* NOTE: for the PIIX4, the IRQs and IOports are hardcoded */
|
3431 |
void pci_piix4_ide_init(PCIBus *bus, BlockDriverState **hd_table, int devfn, |
3432 |
qemu_irq *pic) |
3433 |
{ |
3434 |
PCIIDEState *d; |
3435 |
uint8_t *pci_conf; |
3436 |
|
3437 |
/* register a function 1 of PIIX4 */
|
3438 |
d = (PCIIDEState *)pci_register_device(bus, "PIIX4 IDE",
|
3439 |
sizeof(PCIIDEState),
|
3440 |
devfn, |
3441 |
NULL, NULL); |
3442 |
d->type = IDE_TYPE_PIIX4; |
3443 |
|
3444 |
pci_conf = d->dev.config; |
3445 |
pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL); |
3446 |
pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_INTEL_82371AB); |
3447 |
pci_conf[0x09] = 0x80; // legacy ATA mode |
3448 |
pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_IDE); |
3449 |
pci_conf[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
|
3450 |
|
3451 |
qemu_register_reset(piix3_reset, d); |
3452 |
piix3_reset(d); |
3453 |
|
3454 |
pci_register_bar((PCIDevice *)d, 4, 0x10, |
3455 |
PCI_ADDRESS_SPACE_IO, bmdma_map); |
3456 |
|
3457 |
ide_init2(&d->ide_if[0], hd_table[0], hd_table[1], pic[14]); |
3458 |
ide_init2(&d->ide_if[2], hd_table[2], hd_table[3], pic[15]); |
3459 |
ide_init_ioport(&d->ide_if[0], 0x1f0, 0x3f6); |
3460 |
ide_init_ioport(&d->ide_if[2], 0x170, 0x376); |
3461 |
|
3462 |
register_savevm("ide", 0, 3, pci_ide_save, pci_ide_load, d); |
3463 |
} |
3464 |
|
3465 |
#if defined(TARGET_PPC)
|
3466 |
/***********************************************************/
|
3467 |
/* MacIO based PowerPC IDE */
|
3468 |
|
3469 |
typedef struct MACIOIDEState { |
3470 |
IDEState ide_if[2];
|
3471 |
BlockDriverAIOCB *aiocb; |
3472 |
} MACIOIDEState; |
3473 |
|
3474 |
static void pmac_ide_atapi_transfer_cb(void *opaque, int ret) |
3475 |
{ |
3476 |
DBDMA_io *io = opaque; |
3477 |
MACIOIDEState *m = io->opaque; |
3478 |
IDEState *s = m->ide_if->cur_drive; |
3479 |
|
3480 |
if (ret < 0) { |
3481 |
m->aiocb = NULL;
|
3482 |
qemu_sglist_destroy(&s->sg); |
3483 |
ide_atapi_io_error(s, ret); |
3484 |
io->dma_end(opaque); |
3485 |
return;
|
3486 |
} |
3487 |
|
3488 |
if (s->io_buffer_size > 0) { |
3489 |
m->aiocb = NULL;
|
3490 |
qemu_sglist_destroy(&s->sg); |
3491 |
|
3492 |
s->packet_transfer_size -= s->io_buffer_size; |
3493 |
|
3494 |
s->io_buffer_index += s->io_buffer_size; |
3495 |
s->lba += s->io_buffer_index >> 11;
|
3496 |
s->io_buffer_index &= 0x7ff;
|
3497 |
} |
3498 |
|
3499 |
if (s->packet_transfer_size <= 0) |
3500 |
ide_atapi_cmd_ok(s); |
3501 |
|
3502 |
if (io->len == 0) { |
3503 |
io->dma_end(opaque); |
3504 |
return;
|
3505 |
} |
3506 |
|
3507 |
/* launch next transfer */
|
3508 |
|
3509 |
s->io_buffer_size = io->len; |
3510 |
|
3511 |
qemu_sglist_init(&s->sg, io->len / TARGET_PAGE_SIZE + 1);
|
3512 |
qemu_sglist_add(&s->sg, io->addr, io->len); |
3513 |
io->addr += io->len; |
3514 |
io->len = 0;
|
3515 |
|
3516 |
m->aiocb = dma_bdrv_read(s->bs, &s->sg, |
3517 |
(int64_t)(s->lba << 2) + (s->io_buffer_index >> 9), |
3518 |
pmac_ide_atapi_transfer_cb, io); |
3519 |
if (!m->aiocb) {
|
3520 |
qemu_sglist_destroy(&s->sg); |
3521 |
/* Note: media not present is the most likely case */
|
3522 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
3523 |
ASC_MEDIUM_NOT_PRESENT); |
3524 |
io->dma_end(opaque); |
3525 |
return;
|
3526 |
} |
3527 |
} |
3528 |
|
3529 |
static void pmac_ide_transfer_cb(void *opaque, int ret) |
3530 |
{ |
3531 |
DBDMA_io *io = opaque; |
3532 |
MACIOIDEState *m = io->opaque; |
3533 |
IDEState *s = m->ide_if->cur_drive; |
3534 |
int n;
|
3535 |
int64_t sector_num; |
3536 |
|
3537 |
if (ret < 0) { |
3538 |
m->aiocb = NULL;
|
3539 |
qemu_sglist_destroy(&s->sg); |
3540 |
ide_dma_error(s); |
3541 |
io->dma_end(io); |
3542 |
return;
|
3543 |
} |
3544 |
|
3545 |
sector_num = ide_get_sector(s); |
3546 |
if (s->io_buffer_size > 0) { |
3547 |
m->aiocb = NULL;
|
3548 |
qemu_sglist_destroy(&s->sg); |
3549 |
n = (s->io_buffer_size + 0x1ff) >> 9; |
3550 |
sector_num += n; |
3551 |
ide_set_sector(s, sector_num); |
3552 |
s->nsector -= n; |
3553 |
} |
3554 |
|
3555 |
/* end of transfer ? */
|
3556 |
if (s->nsector == 0) { |
3557 |
s->status = READY_STAT | SEEK_STAT; |
3558 |
ide_set_irq(s); |
3559 |
} |
3560 |
|
3561 |
/* end of DMA ? */
|
3562 |
|
3563 |
if (io->len == 0) { |
3564 |
io->dma_end(io); |
3565 |
return;
|
3566 |
} |
3567 |
|
3568 |
/* launch next transfer */
|
3569 |
|
3570 |
s->io_buffer_index = 0;
|
3571 |
s->io_buffer_size = io->len; |
3572 |
|
3573 |
qemu_sglist_init(&s->sg, io->len / TARGET_PAGE_SIZE + 1);
|
3574 |
qemu_sglist_add(&s->sg, io->addr, io->len); |
3575 |
io->addr += io->len; |
3576 |
io->len = 0;
|
3577 |
|
3578 |
if (s->is_read)
|
3579 |
m->aiocb = dma_bdrv_read(s->bs, &s->sg, sector_num, |
3580 |
pmac_ide_transfer_cb, io); |
3581 |
else
|
3582 |
m->aiocb = dma_bdrv_write(s->bs, &s->sg, sector_num, |
3583 |
pmac_ide_transfer_cb, io); |
3584 |
if (!m->aiocb)
|
3585 |
pmac_ide_transfer_cb(io, -1);
|
3586 |
} |
3587 |
|
3588 |
static void pmac_ide_transfer(DBDMA_io *io) |
3589 |
{ |
3590 |
MACIOIDEState *m = io->opaque; |
3591 |
IDEState *s = m->ide_if->cur_drive; |
3592 |
|
3593 |
s->io_buffer_size = 0;
|
3594 |
if (s->is_cdrom) {
|
3595 |
pmac_ide_atapi_transfer_cb(io, 0);
|
3596 |
return;
|
3597 |
} |
3598 |
|
3599 |
pmac_ide_transfer_cb(io, 0);
|
3600 |
} |
3601 |
|
3602 |
static void pmac_ide_flush(DBDMA_io *io) |
3603 |
{ |
3604 |
MACIOIDEState *m = io->opaque; |
3605 |
|
3606 |
if (m->aiocb)
|
3607 |
qemu_aio_flush(); |
3608 |
} |
3609 |
|
3610 |
/* PowerMac IDE memory IO */
|
3611 |
static void pmac_ide_writeb (void *opaque, |
3612 |
target_phys_addr_t addr, uint32_t val) |
3613 |
{ |
3614 |
MACIOIDEState *d = opaque; |
3615 |
|
3616 |
addr = (addr & 0xFFF) >> 4; |
3617 |
switch (addr) {
|
3618 |
case 1 ... 7: |
3619 |
ide_ioport_write(d->ide_if, addr, val); |
3620 |
break;
|
3621 |
case 8: |
3622 |
case 22: |
3623 |
ide_cmd_write(d->ide_if, 0, val);
|
3624 |
break;
|
3625 |
default:
|
3626 |
break;
|
3627 |
} |
3628 |
} |
3629 |
|
3630 |
static uint32_t pmac_ide_readb (void *opaque,target_phys_addr_t addr) |
3631 |
{ |
3632 |
uint8_t retval; |
3633 |
MACIOIDEState *d = opaque; |
3634 |
|
3635 |
addr = (addr & 0xFFF) >> 4; |
3636 |
switch (addr) {
|
3637 |
case 1 ... 7: |
3638 |
retval = ide_ioport_read(d->ide_if, addr); |
3639 |
break;
|
3640 |
case 8: |
3641 |
case 22: |
3642 |
retval = ide_status_read(d->ide_if, 0);
|
3643 |
break;
|
3644 |
default:
|
3645 |
retval = 0xFF;
|
3646 |
break;
|
3647 |
} |
3648 |
return retval;
|
3649 |
} |
3650 |
|
3651 |
static void pmac_ide_writew (void *opaque, |
3652 |
target_phys_addr_t addr, uint32_t val) |
3653 |
{ |
3654 |
MACIOIDEState *d = opaque; |
3655 |
|
3656 |
addr = (addr & 0xFFF) >> 4; |
3657 |
#ifdef TARGET_WORDS_BIGENDIAN
|
3658 |
val = bswap16(val); |
3659 |
#endif
|
3660 |
if (addr == 0) { |
3661 |
ide_data_writew(d->ide_if, 0, val);
|
3662 |
} |
3663 |
} |
3664 |
|
3665 |
static uint32_t pmac_ide_readw (void *opaque,target_phys_addr_t addr) |
3666 |
{ |
3667 |
uint16_t retval; |
3668 |
MACIOIDEState *d = opaque; |
3669 |
|
3670 |
addr = (addr & 0xFFF) >> 4; |
3671 |
if (addr == 0) { |
3672 |
retval = ide_data_readw(d->ide_if, 0);
|
3673 |
} else {
|
3674 |
retval = 0xFFFF;
|
3675 |
} |
3676 |
#ifdef TARGET_WORDS_BIGENDIAN
|
3677 |
retval = bswap16(retval); |
3678 |
#endif
|
3679 |
return retval;
|
3680 |
} |
3681 |
|
3682 |
static void pmac_ide_writel (void *opaque, |
3683 |
target_phys_addr_t addr, uint32_t val) |
3684 |
{ |
3685 |
MACIOIDEState *d = opaque; |
3686 |
|
3687 |
addr = (addr & 0xFFF) >> 4; |
3688 |
#ifdef TARGET_WORDS_BIGENDIAN
|
3689 |
val = bswap32(val); |
3690 |
#endif
|
3691 |
if (addr == 0) { |
3692 |
ide_data_writel(d->ide_if, 0, val);
|
3693 |
} |
3694 |
} |
3695 |
|
3696 |
static uint32_t pmac_ide_readl (void *opaque,target_phys_addr_t addr) |
3697 |
{ |
3698 |
uint32_t retval; |
3699 |
MACIOIDEState *d = opaque; |
3700 |
|
3701 |
addr = (addr & 0xFFF) >> 4; |
3702 |
if (addr == 0) { |
3703 |
retval = ide_data_readl(d->ide_if, 0);
|
3704 |
} else {
|
3705 |
retval = 0xFFFFFFFF;
|
3706 |
} |
3707 |
#ifdef TARGET_WORDS_BIGENDIAN
|
3708 |
retval = bswap32(retval); |
3709 |
#endif
|
3710 |
return retval;
|
3711 |
} |
3712 |
|
3713 |
static CPUWriteMemoryFunc *pmac_ide_write[] = {
|
3714 |
pmac_ide_writeb, |
3715 |
pmac_ide_writew, |
3716 |
pmac_ide_writel, |
3717 |
}; |
3718 |
|
3719 |
static CPUReadMemoryFunc *pmac_ide_read[] = {
|
3720 |
pmac_ide_readb, |
3721 |
pmac_ide_readw, |
3722 |
pmac_ide_readl, |
3723 |
}; |
3724 |
|
3725 |
static void pmac_ide_save(QEMUFile *f, void *opaque) |
3726 |
{ |
3727 |
MACIOIDEState *d = opaque; |
3728 |
IDEState *s = d->ide_if; |
3729 |
uint8_t drive1_selected; |
3730 |
unsigned int i; |
3731 |
|
3732 |
/* per IDE interface data */
|
3733 |
qemu_put_8s(f, &s->cmd); |
3734 |
drive1_selected = (s->cur_drive != s); |
3735 |
qemu_put_8s(f, &drive1_selected); |
3736 |
|
3737 |
/* per IDE drive data */
|
3738 |
for(i = 0; i < 2; i++) { |
3739 |
ide_save(f, &s[i]); |
3740 |
} |
3741 |
} |
3742 |
|
3743 |
static int pmac_ide_load(QEMUFile *f, void *opaque, int version_id) |
3744 |
{ |
3745 |
MACIOIDEState *d = opaque; |
3746 |
IDEState *s = d->ide_if; |
3747 |
uint8_t drive1_selected; |
3748 |
unsigned int i; |
3749 |
|
3750 |
if (version_id != 1 && version_id != 3) |
3751 |
return -EINVAL;
|
3752 |
|
3753 |
/* per IDE interface data */
|
3754 |
qemu_get_8s(f, &s->cmd); |
3755 |
qemu_get_8s(f, &drive1_selected); |
3756 |
s->cur_drive = &s[(drive1_selected != 0)];
|
3757 |
|
3758 |
/* per IDE drive data */
|
3759 |
for(i = 0; i < 2; i++) { |
3760 |
ide_load(f, &s[i], version_id); |
3761 |
} |
3762 |
return 0; |
3763 |
} |
3764 |
|
3765 |
static void pmac_ide_reset(void *opaque) |
3766 |
{ |
3767 |
MACIOIDEState *d = opaque; |
3768 |
IDEState *s = d->ide_if; |
3769 |
|
3770 |
ide_reset(&s[0]);
|
3771 |
ide_reset(&s[1]);
|
3772 |
} |
3773 |
|
3774 |
/* hd_table must contain 4 block drivers */
|
3775 |
/* PowerMac uses memory mapped registers, not I/O. Return the memory
|
3776 |
I/O index to access the ide. */
|
3777 |
int pmac_ide_init (BlockDriverState **hd_table, qemu_irq irq,
|
3778 |
void *dbdma, int channel, qemu_irq dma_irq) |
3779 |
{ |
3780 |
MACIOIDEState *d; |
3781 |
int pmac_ide_memory;
|
3782 |
|
3783 |
d = qemu_mallocz(sizeof(MACIOIDEState));
|
3784 |
ide_init2(d->ide_if, hd_table[0], hd_table[1], irq); |
3785 |
|
3786 |
if (dbdma)
|
3787 |
DBDMA_register_channel(dbdma, channel, dma_irq, pmac_ide_transfer, pmac_ide_flush, d); |
3788 |
|
3789 |
pmac_ide_memory = cpu_register_io_memory(pmac_ide_read, |
3790 |
pmac_ide_write, d); |
3791 |
register_savevm("ide", 0, 3, pmac_ide_save, pmac_ide_load, d); |
3792 |
qemu_register_reset(pmac_ide_reset, d); |
3793 |
pmac_ide_reset(d); |
3794 |
|
3795 |
return pmac_ide_memory;
|
3796 |
} |
3797 |
#endif /* TARGET_PPC */ |
3798 |
|
3799 |
/***********************************************************/
|
3800 |
/* MMIO based ide port
|
3801 |
* This emulates IDE device connected directly to the CPU bus without
|
3802 |
* dedicated ide controller, which is often seen on embedded boards.
|
3803 |
*/
|
3804 |
|
3805 |
typedef struct { |
3806 |
void *dev;
|
3807 |
int shift;
|
3808 |
} MMIOState; |
3809 |
|
3810 |
static uint32_t mmio_ide_read (void *opaque, target_phys_addr_t addr) |
3811 |
{ |
3812 |
MMIOState *s = (MMIOState*)opaque; |
3813 |
IDEState *ide = (IDEState*)s->dev; |
3814 |
addr >>= s->shift; |
3815 |
if (addr & 7) |
3816 |
return ide_ioport_read(ide, addr);
|
3817 |
else
|
3818 |
return ide_data_readw(ide, 0); |
3819 |
} |
3820 |
|
3821 |
static void mmio_ide_write (void *opaque, target_phys_addr_t addr, |
3822 |
uint32_t val) |
3823 |
{ |
3824 |
MMIOState *s = (MMIOState*)opaque; |
3825 |
IDEState *ide = (IDEState*)s->dev; |
3826 |
addr >>= s->shift; |
3827 |
if (addr & 7) |
3828 |
ide_ioport_write(ide, addr, val); |
3829 |
else
|
3830 |
ide_data_writew(ide, 0, val);
|
3831 |
} |
3832 |
|
3833 |
static CPUReadMemoryFunc *mmio_ide_reads[] = {
|
3834 |
mmio_ide_read, |
3835 |
mmio_ide_read, |
3836 |
mmio_ide_read, |
3837 |
}; |
3838 |
|
3839 |
static CPUWriteMemoryFunc *mmio_ide_writes[] = {
|
3840 |
mmio_ide_write, |
3841 |
mmio_ide_write, |
3842 |
mmio_ide_write, |
3843 |
}; |
3844 |
|
3845 |
static uint32_t mmio_ide_status_read (void *opaque, target_phys_addr_t addr) |
3846 |
{ |
3847 |
MMIOState *s= (MMIOState*)opaque; |
3848 |
IDEState *ide = (IDEState*)s->dev; |
3849 |
return ide_status_read(ide, 0); |
3850 |
} |
3851 |
|
3852 |
static void mmio_ide_cmd_write (void *opaque, target_phys_addr_t addr, |
3853 |
uint32_t val) |
3854 |
{ |
3855 |
MMIOState *s = (MMIOState*)opaque; |
3856 |
IDEState *ide = (IDEState*)s->dev; |
3857 |
ide_cmd_write(ide, 0, val);
|
3858 |
} |
3859 |
|
3860 |
static CPUReadMemoryFunc *mmio_ide_status[] = {
|
3861 |
mmio_ide_status_read, |
3862 |
mmio_ide_status_read, |
3863 |
mmio_ide_status_read, |
3864 |
}; |
3865 |
|
3866 |
static CPUWriteMemoryFunc *mmio_ide_cmd[] = {
|
3867 |
mmio_ide_cmd_write, |
3868 |
mmio_ide_cmd_write, |
3869 |
mmio_ide_cmd_write, |
3870 |
}; |
3871 |
|
3872 |
void mmio_ide_init (target_phys_addr_t membase, target_phys_addr_t membase2,
|
3873 |
qemu_irq irq, int shift,
|
3874 |
BlockDriverState *hd0, BlockDriverState *hd1) |
3875 |
{ |
3876 |
MMIOState *s = qemu_mallocz(sizeof(MMIOState));
|
3877 |
IDEState *ide = qemu_mallocz(sizeof(IDEState) * 2); |
3878 |
int mem1, mem2;
|
3879 |
|
3880 |
ide_init2(ide, hd0, hd1, irq); |
3881 |
|
3882 |
s->dev = ide; |
3883 |
s->shift = shift; |
3884 |
|
3885 |
mem1 = cpu_register_io_memory(mmio_ide_reads, mmio_ide_writes, s); |
3886 |
mem2 = cpu_register_io_memory(mmio_ide_status, mmio_ide_cmd, s); |
3887 |
cpu_register_physical_memory(membase, 16 << shift, mem1);
|
3888 |
cpu_register_physical_memory(membase2, 2 << shift, mem2);
|
3889 |
} |
3890 |
|
3891 |
/***********************************************************/
|
3892 |
/* CF-ATA Microdrive */
|
3893 |
|
3894 |
#define METADATA_SIZE 0x20 |
3895 |
|
3896 |
/* DSCM-1XXXX Microdrive hard disk with CF+ II / PCMCIA interface. */
|
3897 |
typedef struct { |
3898 |
IDEState ide[2];
|
3899 |
PCMCIACardState card; |
3900 |
uint32_t attr_base; |
3901 |
uint32_t io_base; |
3902 |
|
3903 |
/* Card state */
|
3904 |
uint8_t opt; |
3905 |
uint8_t stat; |
3906 |
uint8_t pins; |
3907 |
|
3908 |
uint8_t ctrl; |
3909 |
uint16_t io; |
3910 |
int cycle;
|
3911 |
} MicroDriveState; |
3912 |
|
3913 |
/* Register bitfields */
|
3914 |
enum md_opt {
|
3915 |
OPT_MODE_MMAP = 0,
|
3916 |
OPT_MODE_IOMAP16 = 1,
|
3917 |
OPT_MODE_IOMAP1 = 2,
|
3918 |
OPT_MODE_IOMAP2 = 3,
|
3919 |
OPT_MODE = 0x3f,
|
3920 |
OPT_LEVIREQ = 0x40,
|
3921 |
OPT_SRESET = 0x80,
|
3922 |
}; |
3923 |
enum md_cstat {
|
3924 |
STAT_INT = 0x02,
|
3925 |
STAT_PWRDWN = 0x04,
|
3926 |
STAT_XE = 0x10,
|
3927 |
STAT_IOIS8 = 0x20,
|
3928 |
STAT_SIGCHG = 0x40,
|
3929 |
STAT_CHANGED = 0x80,
|
3930 |
}; |
3931 |
enum md_pins {
|
3932 |
PINS_MRDY = 0x02,
|
3933 |
PINS_CRDY = 0x20,
|
3934 |
}; |
3935 |
enum md_ctrl {
|
3936 |
CTRL_IEN = 0x02,
|
3937 |
CTRL_SRST = 0x04,
|
3938 |
}; |
3939 |
|
3940 |
static inline void md_interrupt_update(MicroDriveState *s) |
3941 |
{ |
3942 |
if (!s->card.slot)
|
3943 |
return;
|
3944 |
|
3945 |
qemu_set_irq(s->card.slot->irq, |
3946 |
!(s->stat & STAT_INT) && /* Inverted */
|
3947 |
!(s->ctrl & (CTRL_IEN | CTRL_SRST)) && |
3948 |
!(s->opt & OPT_SRESET)); |
3949 |
} |
3950 |
|
3951 |
static void md_set_irq(void *opaque, int irq, int level) |
3952 |
{ |
3953 |
MicroDriveState *s = (MicroDriveState *) opaque; |
3954 |
if (level)
|
3955 |
s->stat |= STAT_INT; |
3956 |
else
|
3957 |
s->stat &= ~STAT_INT; |
3958 |
|
3959 |
md_interrupt_update(s); |
3960 |
} |
3961 |
|
3962 |
static void md_reset(MicroDriveState *s) |
3963 |
{ |
3964 |
s->opt = OPT_MODE_MMAP; |
3965 |
s->stat = 0;
|
3966 |
s->pins = 0;
|
3967 |
s->cycle = 0;
|
3968 |
s->ctrl = 0;
|
3969 |
ide_reset(s->ide); |
3970 |
} |
3971 |
|
3972 |
static uint8_t md_attr_read(void *opaque, uint32_t at) |
3973 |
{ |
3974 |
MicroDriveState *s = (MicroDriveState *) opaque; |
3975 |
if (at < s->attr_base) {
|
3976 |
if (at < s->card.cis_len)
|
3977 |
return s->card.cis[at];
|
3978 |
else
|
3979 |
return 0x00; |
3980 |
} |
3981 |
|
3982 |
at -= s->attr_base; |
3983 |
|
3984 |
switch (at) {
|
3985 |
case 0x00: /* Configuration Option Register */ |
3986 |
return s->opt;
|
3987 |
case 0x02: /* Card Configuration Status Register */ |
3988 |
if (s->ctrl & CTRL_IEN)
|
3989 |
return s->stat & ~STAT_INT;
|
3990 |
else
|
3991 |
return s->stat;
|
3992 |
case 0x04: /* Pin Replacement Register */ |
3993 |
return (s->pins & PINS_CRDY) | 0x0c; |
3994 |
case 0x06: /* Socket and Copy Register */ |
3995 |
return 0x00; |
3996 |
#ifdef VERBOSE
|
3997 |
default:
|
3998 |
printf("%s: Bad attribute space register %02x\n", __FUNCTION__, at);
|
3999 |
#endif
|
4000 |
} |
4001 |
|
4002 |
return 0; |
4003 |
} |
4004 |
|
4005 |
static void md_attr_write(void *opaque, uint32_t at, uint8_t value) |
4006 |
{ |
4007 |
MicroDriveState *s = (MicroDriveState *) opaque; |
4008 |
at -= s->attr_base; |
4009 |
|
4010 |
switch (at) {
|
4011 |
case 0x00: /* Configuration Option Register */ |
4012 |
s->opt = value & 0xcf;
|
4013 |
if (value & OPT_SRESET)
|
4014 |
md_reset(s); |
4015 |
md_interrupt_update(s); |
4016 |
break;
|
4017 |
case 0x02: /* Card Configuration Status Register */ |
4018 |
if ((s->stat ^ value) & STAT_PWRDWN)
|
4019 |
s->pins |= PINS_CRDY; |
4020 |
s->stat &= 0x82;
|
4021 |
s->stat |= value & 0x74;
|
4022 |
md_interrupt_update(s); |
4023 |
/* Word 170 in Identify Device must be equal to STAT_XE */
|
4024 |
break;
|
4025 |
case 0x04: /* Pin Replacement Register */ |
4026 |
s->pins &= PINS_CRDY; |
4027 |
s->pins |= value & PINS_MRDY; |
4028 |
break;
|
4029 |
case 0x06: /* Socket and Copy Register */ |
4030 |
break;
|
4031 |
default:
|
4032 |
printf("%s: Bad attribute space register %02x\n", __FUNCTION__, at);
|
4033 |
} |
4034 |
} |
4035 |
|
4036 |
static uint16_t md_common_read(void *opaque, uint32_t at) |
4037 |
{ |
4038 |
MicroDriveState *s = (MicroDriveState *) opaque; |
4039 |
uint16_t ret; |
4040 |
at -= s->io_base; |
4041 |
|
4042 |
switch (s->opt & OPT_MODE) {
|
4043 |
case OPT_MODE_MMAP:
|
4044 |
if ((at & ~0x3ff) == 0x400) |
4045 |
at = 0;
|
4046 |
break;
|
4047 |
case OPT_MODE_IOMAP16:
|
4048 |
at &= 0xf;
|
4049 |
break;
|
4050 |
case OPT_MODE_IOMAP1:
|
4051 |
if ((at & ~0xf) == 0x3f0) |
4052 |
at -= 0x3e8;
|
4053 |
else if ((at & ~0xf) == 0x1f0) |
4054 |
at -= 0x1f0;
|
4055 |
break;
|
4056 |
case OPT_MODE_IOMAP2:
|
4057 |
if ((at & ~0xf) == 0x370) |
4058 |
at -= 0x368;
|
4059 |
else if ((at & ~0xf) == 0x170) |
4060 |
at -= 0x170;
|
4061 |
} |
4062 |
|
4063 |
switch (at) {
|
4064 |
case 0x0: /* Even RD Data */ |
4065 |
case 0x8: |
4066 |
return ide_data_readw(s->ide, 0); |
4067 |
|
4068 |
/* TODO: 8-bit accesses */
|
4069 |
if (s->cycle)
|
4070 |
ret = s->io >> 8;
|
4071 |
else {
|
4072 |
s->io = ide_data_readw(s->ide, 0);
|
4073 |
ret = s->io & 0xff;
|
4074 |
} |
4075 |
s->cycle = !s->cycle; |
4076 |
return ret;
|
4077 |
case 0x9: /* Odd RD Data */ |
4078 |
return s->io >> 8; |
4079 |
case 0xd: /* Error */ |
4080 |
return ide_ioport_read(s->ide, 0x1); |
4081 |
case 0xe: /* Alternate Status */ |
4082 |
if (s->ide->cur_drive->bs)
|
4083 |
return s->ide->cur_drive->status;
|
4084 |
else
|
4085 |
return 0; |
4086 |
case 0xf: /* Device Address */ |
4087 |
return 0xc2 | ((~s->ide->select << 2) & 0x3c); |
4088 |
default:
|
4089 |
return ide_ioport_read(s->ide, at);
|
4090 |
} |
4091 |
|
4092 |
return 0; |
4093 |
} |
4094 |
|
4095 |
static void md_common_write(void *opaque, uint32_t at, uint16_t value) |
4096 |
{ |
4097 |
MicroDriveState *s = (MicroDriveState *) opaque; |
4098 |
at -= s->io_base; |
4099 |
|
4100 |
switch (s->opt & OPT_MODE) {
|
4101 |
case OPT_MODE_MMAP:
|
4102 |
if ((at & ~0x3ff) == 0x400) |
4103 |
at = 0;
|
4104 |
break;
|
4105 |
case OPT_MODE_IOMAP16:
|
4106 |
at &= 0xf;
|
4107 |
break;
|
4108 |
case OPT_MODE_IOMAP1:
|
4109 |
if ((at & ~0xf) == 0x3f0) |
4110 |
at -= 0x3e8;
|
4111 |
else if ((at & ~0xf) == 0x1f0) |
4112 |
at -= 0x1f0;
|
4113 |
break;
|
4114 |
case OPT_MODE_IOMAP2:
|
4115 |
if ((at & ~0xf) == 0x370) |
4116 |
at -= 0x368;
|
4117 |
else if ((at & ~0xf) == 0x170) |
4118 |
at -= 0x170;
|
4119 |
} |
4120 |
|
4121 |
switch (at) {
|
4122 |
case 0x0: /* Even WR Data */ |
4123 |
case 0x8: |
4124 |
ide_data_writew(s->ide, 0, value);
|
4125 |
break;
|
4126 |
|
4127 |
/* TODO: 8-bit accesses */
|
4128 |
if (s->cycle)
|
4129 |
ide_data_writew(s->ide, 0, s->io | (value << 8)); |
4130 |
else
|
4131 |
s->io = value & 0xff;
|
4132 |
s->cycle = !s->cycle; |
4133 |
break;
|
4134 |
case 0x9: |
4135 |
s->io = value & 0xff;
|
4136 |
s->cycle = !s->cycle; |
4137 |
break;
|
4138 |
case 0xd: /* Features */ |
4139 |
ide_ioport_write(s->ide, 0x1, value);
|
4140 |
break;
|
4141 |
case 0xe: /* Device Control */ |
4142 |
s->ctrl = value; |
4143 |
if (value & CTRL_SRST)
|
4144 |
md_reset(s); |
4145 |
md_interrupt_update(s); |
4146 |
break;
|
4147 |
default:
|
4148 |
if (s->stat & STAT_PWRDWN) {
|
4149 |
s->pins |= PINS_CRDY; |
4150 |
s->stat &= ~STAT_PWRDWN; |
4151 |
} |
4152 |
ide_ioport_write(s->ide, at, value); |
4153 |
} |
4154 |
} |
4155 |
|
4156 |
static void md_save(QEMUFile *f, void *opaque) |
4157 |
{ |
4158 |
MicroDriveState *s = (MicroDriveState *) opaque; |
4159 |
int i;
|
4160 |
uint8_t drive1_selected; |
4161 |
|
4162 |
qemu_put_8s(f, &s->opt); |
4163 |
qemu_put_8s(f, &s->stat); |
4164 |
qemu_put_8s(f, &s->pins); |
4165 |
|
4166 |
qemu_put_8s(f, &s->ctrl); |
4167 |
qemu_put_be16s(f, &s->io); |
4168 |
qemu_put_byte(f, s->cycle); |
4169 |
|
4170 |
drive1_selected = (s->ide->cur_drive != s->ide); |
4171 |
qemu_put_8s(f, &s->ide->cmd); |
4172 |
qemu_put_8s(f, &drive1_selected); |
4173 |
|
4174 |
for (i = 0; i < 2; i ++) |
4175 |
ide_save(f, &s->ide[i]); |
4176 |
} |
4177 |
|
4178 |
static int md_load(QEMUFile *f, void *opaque, int version_id) |
4179 |
{ |
4180 |
MicroDriveState *s = (MicroDriveState *) opaque; |
4181 |
int i;
|
4182 |
uint8_t drive1_selected; |
4183 |
|
4184 |
if (version_id != 0 && version_id != 3) |
4185 |
return -EINVAL;
|
4186 |
|
4187 |
qemu_get_8s(f, &s->opt); |
4188 |
qemu_get_8s(f, &s->stat); |
4189 |
qemu_get_8s(f, &s->pins); |
4190 |
|
4191 |
qemu_get_8s(f, &s->ctrl); |
4192 |
qemu_get_be16s(f, &s->io); |
4193 |
s->cycle = qemu_get_byte(f); |
4194 |
|
4195 |
qemu_get_8s(f, &s->ide->cmd); |
4196 |
qemu_get_8s(f, &drive1_selected); |
4197 |
s->ide->cur_drive = &s->ide[(drive1_selected != 0)];
|
4198 |
|
4199 |
for (i = 0; i < 2; i ++) |
4200 |
ide_load(f, &s->ide[i], version_id); |
4201 |
|
4202 |
return 0; |
4203 |
} |
4204 |
|
4205 |
static const uint8_t dscm1xxxx_cis[0x14a] = { |
4206 |
[0x000] = CISTPL_DEVICE, /* 5V Device Information */ |
4207 |
[0x002] = 0x03, /* Tuple length = 4 bytes */ |
4208 |
[0x004] = 0xdb, /* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */ |
4209 |
[0x006] = 0x01, /* Size = 2K bytes */ |
4210 |
[0x008] = CISTPL_ENDMARK,
|
4211 |
|
4212 |
[0x00a] = CISTPL_DEVICE_OC, /* Additional Device Information */ |
4213 |
[0x00c] = 0x04, /* Tuple length = 4 byest */ |
4214 |
[0x00e] = 0x03, /* Conditions: Ext = 0, Vcc 3.3V, MWAIT = 1 */ |
4215 |
[0x010] = 0xdb, /* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */ |
4216 |
[0x012] = 0x01, /* Size = 2K bytes */ |
4217 |
[0x014] = CISTPL_ENDMARK,
|
4218 |
|
4219 |
[0x016] = CISTPL_JEDEC_C, /* JEDEC ID */ |
4220 |
[0x018] = 0x02, /* Tuple length = 2 bytes */ |
4221 |
[0x01a] = 0xdf, /* PC Card ATA with no Vpp required */ |
4222 |
[0x01c] = 0x01, |
4223 |
|
4224 |
[0x01e] = CISTPL_MANFID, /* Manufacture ID */ |
4225 |
[0x020] = 0x04, /* Tuple length = 4 bytes */ |
4226 |
[0x022] = 0xa4, /* TPLMID_MANF = 00a4 (IBM) */ |
4227 |
[0x024] = 0x00, |
4228 |
[0x026] = 0x00, /* PLMID_CARD = 0000 */ |
4229 |
[0x028] = 0x00, |
4230 |
|
4231 |
[0x02a] = CISTPL_VERS_1, /* Level 1 Version */ |
4232 |
[0x02c] = 0x12, /* Tuple length = 23 bytes */ |
4233 |
[0x02e] = 0x04, /* Major Version = JEIDA 4.2 / PCMCIA 2.1 */ |
4234 |
[0x030] = 0x01, /* Minor Version = 1 */ |
4235 |
[0x032] = 'I', |
4236 |
[0x034] = 'B', |
4237 |
[0x036] = 'M', |
4238 |
[0x038] = 0x00, |
4239 |
[0x03a] = 'm', |
4240 |
[0x03c] = 'i', |
4241 |
[0x03e] = 'c', |
4242 |
[0x040] = 'r', |
4243 |
[0x042] = 'o', |
4244 |
[0x044] = 'd', |
4245 |
[0x046] = 'r', |
4246 |
[0x048] = 'i', |
4247 |
[0x04a] = 'v', |
4248 |
[0x04c] = 'e', |
4249 |
[0x04e] = 0x00, |
4250 |
[0x050] = CISTPL_ENDMARK,
|
4251 |
|
4252 |
[0x052] = CISTPL_FUNCID, /* Function ID */ |
4253 |
[0x054] = 0x02, /* Tuple length = 2 bytes */ |
4254 |
[0x056] = 0x04, /* TPLFID_FUNCTION = Fixed Disk */ |
4255 |
[0x058] = 0x01, /* TPLFID_SYSINIT: POST = 1, ROM = 0 */ |
4256 |
|
4257 |
[0x05a] = CISTPL_FUNCE, /* Function Extension */ |
4258 |
[0x05c] = 0x02, /* Tuple length = 2 bytes */ |
4259 |
[0x05e] = 0x01, /* TPLFE_TYPE = Disk Device Interface */ |
4260 |
[0x060] = 0x01, /* TPLFE_DATA = PC Card ATA Interface */ |
4261 |
|
4262 |
[0x062] = CISTPL_FUNCE, /* Function Extension */ |
4263 |
[0x064] = 0x03, /* Tuple length = 3 bytes */ |
4264 |
[0x066] = 0x02, /* TPLFE_TYPE = Basic PC Card ATA Interface */ |
4265 |
[0x068] = 0x08, /* TPLFE_DATA: Rotating, Unique, Single */ |
4266 |
[0x06a] = 0x0f, /* TPLFE_DATA: Sleep, Standby, Idle, Auto */ |
4267 |
|
4268 |
[0x06c] = CISTPL_CONFIG, /* Configuration */ |
4269 |
[0x06e] = 0x05, /* Tuple length = 5 bytes */ |
4270 |
[0x070] = 0x01, /* TPCC_RASZ = 2 bytes, TPCC_RMSZ = 1 byte */ |
4271 |
[0x072] = 0x07, /* TPCC_LAST = 7 */ |
4272 |
[0x074] = 0x00, /* TPCC_RADR = 0200 */ |
4273 |
[0x076] = 0x02, |
4274 |
[0x078] = 0x0f, /* TPCC_RMSK = 200, 202, 204, 206 */ |
4275 |
|
4276 |
[0x07a] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ |
4277 |
[0x07c] = 0x0b, /* Tuple length = 11 bytes */ |
4278 |
[0x07e] = 0xc0, /* TPCE_INDX = Memory Mode, Default, Iface */ |
4279 |
[0x080] = 0xc0, /* TPCE_IF = Memory, no BVDs, no WP, READY */ |
4280 |
[0x082] = 0xa1, /* TPCE_FS = Vcc only, no I/O, Memory, Misc */ |
4281 |
[0x084] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ |
4282 |
[0x086] = 0x55, /* NomV: 5.0 V */ |
4283 |
[0x088] = 0x4d, /* MinV: 4.5 V */ |
4284 |
[0x08a] = 0x5d, /* MaxV: 5.5 V */ |
4285 |
[0x08c] = 0x4e, /* Peakl: 450 mA */ |
4286 |
[0x08e] = 0x08, /* TPCE_MS = 1 window, 1 byte, Host address */ |
4287 |
[0x090] = 0x00, /* Window descriptor: Window length = 0 */ |
4288 |
[0x092] = 0x20, /* TPCE_MI: support power down mode, RW */ |
4289 |
|
4290 |
[0x094] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ |
4291 |
[0x096] = 0x06, /* Tuple length = 6 bytes */ |
4292 |
[0x098] = 0x00, /* TPCE_INDX = Memory Mode, no Default */ |
4293 |
[0x09a] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ |
4294 |
[0x09c] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ |
4295 |
[0x09e] = 0xb5, /* NomV: 3.3 V */ |
4296 |
[0x0a0] = 0x1e, |
4297 |
[0x0a2] = 0x3e, /* Peakl: 350 mA */ |
4298 |
|
4299 |
[0x0a4] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ |
4300 |
[0x0a6] = 0x0d, /* Tuple length = 13 bytes */ |
4301 |
[0x0a8] = 0xc1, /* TPCE_INDX = I/O and Memory Mode, Default */ |
4302 |
[0x0aa] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */ |
4303 |
[0x0ac] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */ |
4304 |
[0x0ae] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ |
4305 |
[0x0b0] = 0x55, /* NomV: 5.0 V */ |
4306 |
[0x0b2] = 0x4d, /* MinV: 4.5 V */ |
4307 |
[0x0b4] = 0x5d, /* MaxV: 5.5 V */ |
4308 |
[0x0b6] = 0x4e, /* Peakl: 450 mA */ |
4309 |
[0x0b8] = 0x64, /* TPCE_IO = 16-byte boundary, 16/8 accesses */ |
4310 |
[0x0ba] = 0xf0, /* TPCE_IR = MASK, Level, Pulse, Share */ |
4311 |
[0x0bc] = 0xff, /* IRQ0..IRQ7 supported */ |
4312 |
[0x0be] = 0xff, /* IRQ8..IRQ15 supported */ |
4313 |
[0x0c0] = 0x20, /* TPCE_MI = support power down mode */ |
4314 |
|
4315 |
[0x0c2] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ |
4316 |
[0x0c4] = 0x06, /* Tuple length = 6 bytes */ |
4317 |
[0x0c6] = 0x01, /* TPCE_INDX = I/O and Memory Mode */ |
4318 |
[0x0c8] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ |
4319 |
[0x0ca] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ |
4320 |
[0x0cc] = 0xb5, /* NomV: 3.3 V */ |
4321 |
[0x0ce] = 0x1e, |
4322 |
[0x0d0] = 0x3e, /* Peakl: 350 mA */ |
4323 |
|
4324 |
[0x0d2] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ |
4325 |
[0x0d4] = 0x12, /* Tuple length = 18 bytes */ |
4326 |
[0x0d6] = 0xc2, /* TPCE_INDX = I/O Primary Mode */ |
4327 |
[0x0d8] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */ |
4328 |
[0x0da] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */ |
4329 |
[0x0dc] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ |
4330 |
[0x0de] = 0x55, /* NomV: 5.0 V */ |
4331 |
[0x0e0] = 0x4d, /* MinV: 4.5 V */ |
4332 |
[0x0e2] = 0x5d, /* MaxV: 5.5 V */ |
4333 |
[0x0e4] = 0x4e, /* Peakl: 450 mA */ |
4334 |
[0x0e6] = 0xea, /* TPCE_IO = 1K boundary, 16/8 access, Range */ |
4335 |
[0x0e8] = 0x61, /* Range: 2 fields, 2 bytes addr, 1 byte len */ |
4336 |
[0x0ea] = 0xf0, /* Field 1 address = 0x01f0 */ |
4337 |
[0x0ec] = 0x01, |
4338 |
[0x0ee] = 0x07, /* Address block length = 8 */ |
4339 |
[0x0f0] = 0xf6, /* Field 2 address = 0x03f6 */ |
4340 |
[0x0f2] = 0x03, |
4341 |
[0x0f4] = 0x01, /* Address block length = 2 */ |
4342 |
[0x0f6] = 0xee, /* TPCE_IR = IRQ E, Level, Pulse, Share */ |
4343 |
[0x0f8] = 0x20, /* TPCE_MI = support power down mode */ |
4344 |
|
4345 |
[0x0fa] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ |
4346 |
[0x0fc] = 0x06, /* Tuple length = 6 bytes */ |
4347 |
[0x0fe] = 0x02, /* TPCE_INDX = I/O Primary Mode, no Default */ |
4348 |
[0x100] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ |
4349 |
[0x102] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ |
4350 |
[0x104] = 0xb5, /* NomV: 3.3 V */ |
4351 |
[0x106] = 0x1e, |
4352 |
[0x108] = 0x3e, /* Peakl: 350 mA */ |
4353 |
|
4354 |
[0x10a] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ |
4355 |
[0x10c] = 0x12, /* Tuple length = 18 bytes */ |
4356 |
[0x10e] = 0xc3, /* TPCE_INDX = I/O Secondary Mode, Default */ |
4357 |
[0x110] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */ |
4358 |
[0x112] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */ |
4359 |
[0x114] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ |
4360 |
[0x116] = 0x55, /* NomV: 5.0 V */ |
4361 |
[0x118] = 0x4d, /* MinV: 4.5 V */ |
4362 |
[0x11a] = 0x5d, /* MaxV: 5.5 V */ |
4363 |
[0x11c] = 0x4e, /* Peakl: 450 mA */ |
4364 |
[0x11e] = 0xea, /* TPCE_IO = 1K boundary, 16/8 access, Range */ |
4365 |
[0x120] = 0x61, /* Range: 2 fields, 2 byte addr, 1 byte len */ |
4366 |
[0x122] = 0x70, /* Field 1 address = 0x0170 */ |
4367 |
[0x124] = 0x01, |
4368 |
[0x126] = 0x07, /* Address block length = 8 */ |
4369 |
[0x128] = 0x76, /* Field 2 address = 0x0376 */ |
4370 |
[0x12a] = 0x03, |
4371 |
[0x12c] = 0x01, /* Address block length = 2 */ |
4372 |
[0x12e] = 0xee, /* TPCE_IR = IRQ E, Level, Pulse, Share */ |
4373 |
[0x130] = 0x20, /* TPCE_MI = support power down mode */ |
4374 |
|
4375 |
[0x132] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ |
4376 |
[0x134] = 0x06, /* Tuple length = 6 bytes */ |
4377 |
[0x136] = 0x03, /* TPCE_INDX = I/O Secondary Mode */ |
4378 |
[0x138] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ |
4379 |
[0x13a] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ |
4380 |
[0x13c] = 0xb5, /* NomV: 3.3 V */ |
4381 |
[0x13e] = 0x1e, |
4382 |
[0x140] = 0x3e, /* Peakl: 350 mA */ |
4383 |
|
4384 |
[0x142] = CISTPL_NO_LINK, /* No Link */ |
4385 |
[0x144] = 0x00, /* Tuple length = 0 bytes */ |
4386 |
|
4387 |
[0x146] = CISTPL_END, /* Tuple End */ |
4388 |
}; |
4389 |
|
4390 |
static int dscm1xxxx_attach(void *opaque) |
4391 |
{ |
4392 |
MicroDriveState *md = (MicroDriveState *) opaque; |
4393 |
md->card.attr_read = md_attr_read; |
4394 |
md->card.attr_write = md_attr_write; |
4395 |
md->card.common_read = md_common_read; |
4396 |
md->card.common_write = md_common_write; |
4397 |
md->card.io_read = md_common_read; |
4398 |
md->card.io_write = md_common_write; |
4399 |
|
4400 |
md->attr_base = md->card.cis[0x74] | (md->card.cis[0x76] << 8); |
4401 |
md->io_base = 0x0;
|
4402 |
|
4403 |
md_reset(md); |
4404 |
md_interrupt_update(md); |
4405 |
|
4406 |
md->card.slot->card_string = "DSCM-1xxxx Hitachi Microdrive";
|
4407 |
return 0; |
4408 |
} |
4409 |
|
4410 |
static int dscm1xxxx_detach(void *opaque) |
4411 |
{ |
4412 |
MicroDriveState *md = (MicroDriveState *) opaque; |
4413 |
md_reset(md); |
4414 |
return 0; |
4415 |
} |
4416 |
|
4417 |
PCMCIACardState *dscm1xxxx_init(BlockDriverState *bdrv) |
4418 |
{ |
4419 |
MicroDriveState *md = (MicroDriveState *) qemu_mallocz(sizeof(MicroDriveState));
|
4420 |
md->card.state = md; |
4421 |
md->card.attach = dscm1xxxx_attach; |
4422 |
md->card.detach = dscm1xxxx_detach; |
4423 |
md->card.cis = dscm1xxxx_cis; |
4424 |
md->card.cis_len = sizeof(dscm1xxxx_cis);
|
4425 |
|
4426 |
ide_init2(md->ide, bdrv, NULL, qemu_allocate_irqs(md_set_irq, md, 1)[0]); |
4427 |
md->ide->is_cf = 1;
|
4428 |
md->ide->mdata_size = METADATA_SIZE; |
4429 |
md->ide->mdata_storage = (uint8_t *) qemu_mallocz(METADATA_SIZE); |
4430 |
|
4431 |
register_savevm("microdrive", -1, 3, md_save, md_load, md); |
4432 |
|
4433 |
return &md->card;
|
4434 |
} |