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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/hw.h> |
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#include <hw/pc.h> |
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#include <hw/pci.h> |
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#include <hw/scsi.h> |
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#include "qemu-error.h" |
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#include "qemu-timer.h" |
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#include "sysemu.h" |
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#include "dma.h" |
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#include "blockdev.h" |
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#include <hw/ide/internal.h> |
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#define IDE_PAGE_SIZE 4096 |
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static const int smart_attributes[][5] = { |
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/* id, flags, val, wrst, thrsh */
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{ 0x01, 0x03, 0x64, 0x64, 0x06}, /* raw read */ |
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{ 0x03, 0x03, 0x64, 0x64, 0x46}, /* spin up */ |
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{ 0x04, 0x02, 0x64, 0x64, 0x14}, /* start stop count */ |
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{ 0x05, 0x03, 0x64, 0x64, 0x36}, /* remapped sectors */ |
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{ 0x00, 0x00, 0x00, 0x00, 0x00} |
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}; |
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|
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/* XXX: DVDs that could fit on a CD will be reported as a CD */
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static inline int media_present(IDEState *s) |
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{ |
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return (s->nb_sectors > 0); |
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} |
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|
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static inline int media_is_dvd(IDEState *s) |
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{ |
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return (media_present(s) && s->nb_sectors > CD_MAX_SECTORS);
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} |
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|
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static inline int media_is_cd(IDEState *s) |
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{ |
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return (media_present(s) && s->nb_sectors <= CD_MAX_SECTORS);
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} |
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|
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static void ide_dma_start(IDEState *s, BlockDriverCompletionFunc *dma_cb); |
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static void ide_dma_restart(IDEState *s, int is_read); |
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static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret); |
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static int ide_handle_rw_error(IDEState *s, int error, int op); |
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|
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static void padstr(char *str, const char *src, int len) |
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{ |
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int i, v;
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for(i = 0; i < len; i++) { |
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if (*src)
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v = *src++; |
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else
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v = ' ';
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str[i^1] = v;
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} |
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} |
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|
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static void padstr8(uint8_t *buf, int buf_size, const char *src) |
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{ |
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int i;
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for(i = 0; i < buf_size; i++) { |
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if (*src)
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buf[i] = *src++; |
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else
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buf[i] = ' ';
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} |
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} |
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|
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static void put_le16(uint16_t *p, unsigned int v) |
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{ |
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*p = cpu_to_le16(v); |
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} |
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static void ide_identify(IDEState *s) |
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{ |
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uint16_t *p; |
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unsigned int oldsize; |
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IDEDevice *dev; |
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|
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if (s->identify_set) {
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memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data));
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return;
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} |
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memset(s->io_buffer, 0, 512); |
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p = (uint16_t *)s->io_buffer; |
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put_le16(p + 0, 0x0040); |
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put_le16(p + 1, s->cylinders);
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put_le16(p + 3, s->heads);
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put_le16(p + 4, 512 * s->sectors); /* XXX: retired, remove ? */ |
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put_le16(p + 5, 512); /* XXX: retired, remove ? */ |
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put_le16(p + 6, s->sectors);
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padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ |
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put_le16(p + 20, 3); /* XXX: retired, remove ? */ |
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put_le16(p + 21, 512); /* cache size in sectors */ |
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put_le16(p + 22, 4); /* ecc bytes */ |
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padstr((char *)(p + 23), s->version, 8); /* firmware version */ |
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padstr((char *)(p + 27), "QEMU HARDDISK", 40); /* model */ |
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#if MAX_MULT_SECTORS > 1 |
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put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS); |
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#endif
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put_le16(p + 48, 1); /* dword I/O */ |
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put_le16(p + 49, (1 << 11) | (1 << 9) | (1 << 8)); /* DMA and LBA supported */ |
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put_le16(p + 51, 0x200); /* PIO transfer cycle */ |
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put_le16(p + 52, 0x200); /* DMA transfer cycle */ |
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put_le16(p + 53, 1 | (1 << 1) | (1 << 2)); /* words 54-58,64-70,88 are valid */ |
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put_le16(p + 54, s->cylinders);
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put_le16(p + 55, s->heads);
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put_le16(p + 56, s->sectors);
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oldsize = s->cylinders * s->heads * s->sectors; |
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put_le16(p + 57, oldsize);
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put_le16(p + 58, oldsize >> 16); |
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if (s->mult_sectors)
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put_le16(p + 59, 0x100 | s->mult_sectors); |
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put_le16(p + 60, s->nb_sectors);
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put_le16(p + 61, s->nb_sectors >> 16); |
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put_le16(p + 62, 0x07); /* single word dma0-2 supported */ |
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put_le16(p + 63, 0x07); /* mdma0-2 supported */ |
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put_le16(p + 64, 0x03); /* pio3-4 supported */ |
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put_le16(p + 65, 120); |
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put_le16(p + 66, 120); |
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put_le16(p + 67, 120); |
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put_le16(p + 68, 120); |
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put_le16(p + 80, 0xf0); /* ata3 -> ata6 supported */ |
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put_le16(p + 81, 0x16); /* conforms to ata5 */ |
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/* 14=NOP supported, 5=WCACHE supported, 0=SMART supported */
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put_le16(p + 82, (1 << 14) | (1 << 5) | 1); |
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/* 13=flush_cache_ext,12=flush_cache,10=lba48 */
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put_le16(p + 83, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10)); |
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/* 14=set to 1, 1=SMART self test, 0=SMART error logging */
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put_le16(p + 84, (1 << 14) | 0); |
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/* 14 = NOP supported, 5=WCACHE enabled, 0=SMART feature set enabled */
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if (bdrv_enable_write_cache(s->bs))
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put_le16(p + 85, (1 << 14) | (1 << 5) | 1); |
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else
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put_le16(p + 85, (1 << 14) | 1); |
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/* 13=flush_cache_ext,12=flush_cache,10=lba48 */
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put_le16(p + 86, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10)); |
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/* 14=set to 1, 1=smart self test, 0=smart error logging */
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put_le16(p + 87, (1 << 14) | 0); |
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put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */ |
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put_le16(p + 93, 1 | (1 << 14) | 0x2000); |
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put_le16(p + 100, s->nb_sectors);
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put_le16(p + 101, s->nb_sectors >> 16); |
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put_le16(p + 102, s->nb_sectors >> 32); |
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put_le16(p + 103, s->nb_sectors >> 48); |
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dev = s->unit ? s->bus->slave : s->bus->master; |
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if (dev && dev->conf.physical_block_size)
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put_le16(p + 106, 0x6000 | get_physical_block_exp(&dev->conf)); |
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memcpy(s->identify_data, p, sizeof(s->identify_data));
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s->identify_set = 1;
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} |
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static void ide_atapi_identify(IDEState *s) |
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{ |
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uint16_t *p; |
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if (s->identify_set) {
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memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data));
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return;
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} |
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memset(s->io_buffer, 0, 512); |
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p = (uint16_t *)s->io_buffer; |
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/* Removable CDROM, 50us response, 12 byte packets */
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put_le16(p + 0, (2 << 14) | (5 << 8) | (1 << 7) | (2 << 5) | (0 << 0)); |
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padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ |
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put_le16(p + 20, 3); /* buffer type */ |
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put_le16(p + 21, 512); /* cache size in sectors */ |
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put_le16(p + 22, 4); /* ecc bytes */ |
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padstr((char *)(p + 23), s->version, 8); /* firmware version */ |
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padstr((char *)(p + 27), "QEMU DVD-ROM", 40); /* model */ |
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put_le16(p + 48, 1); /* dword I/O (XXX: should not be set on CDROM) */ |
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#ifdef USE_DMA_CDROM
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put_le16(p + 49, 1 << 9 | 1 << 8); /* DMA and LBA supported */ |
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put_le16(p + 53, 7); /* words 64-70, 54-58, 88 valid */ |
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put_le16(p + 62, 7); /* single word dma0-2 supported */ |
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put_le16(p + 63, 7); /* mdma0-2 supported */ |
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#else
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put_le16(p + 49, 1 << 9); /* LBA supported, no DMA */ |
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put_le16(p + 53, 3); /* words 64-70, 54-58 valid */ |
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put_le16(p + 63, 0x103); /* DMA modes XXX: may be incorrect */ |
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#endif
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put_le16(p + 64, 3); /* pio3-4 supported */ |
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put_le16(p + 65, 0xb4); /* minimum DMA multiword tx cycle time */ |
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put_le16(p + 66, 0xb4); /* recommended DMA multiword tx cycle time */ |
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put_le16(p + 67, 0x12c); /* minimum PIO cycle time without flow control */ |
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put_le16(p + 68, 0xb4); /* minimum PIO cycle time with IORDY flow control */ |
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|
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put_le16(p + 71, 30); /* in ns */ |
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put_le16(p + 72, 30); /* in ns */ |
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|
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put_le16(p + 80, 0x1e); /* support up to ATA/ATAPI-4 */ |
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#ifdef USE_DMA_CDROM
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put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */ |
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#endif
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memcpy(s->identify_data, p, sizeof(s->identify_data));
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s->identify_set = 1;
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} |
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|
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static void ide_cfata_identify(IDEState *s) |
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{ |
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uint16_t *p; |
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uint32_t cur_sec; |
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|
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p = (uint16_t *) s->identify_data; |
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if (s->identify_set)
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goto fill_buffer;
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memset(p, 0, sizeof(s->identify_data)); |
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|
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cur_sec = s->cylinders * s->heads * s->sectors; |
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|
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put_le16(p + 0, 0x848a); /* CF Storage Card signature */ |
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put_le16(p + 1, s->cylinders); /* Default cylinders */ |
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put_le16(p + 3, s->heads); /* Default heads */ |
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put_le16(p + 6, s->sectors); /* Default sectors per track */ |
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put_le16(p + 7, s->nb_sectors >> 16); /* Sectors per card */ |
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put_le16(p + 8, s->nb_sectors); /* Sectors per card */ |
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padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ |
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put_le16(p + 22, 0x0004); /* ECC bytes */ |
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padstr((char *) (p + 23), s->version, 8); /* Firmware Revision */ |
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padstr((char *) (p + 27), "QEMU MICRODRIVE", 40);/* Model number */ |
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#if MAX_MULT_SECTORS > 1 |
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put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS); |
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#else
|
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put_le16(p + 47, 0x0000); |
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#endif
|
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put_le16(p + 49, 0x0f00); /* Capabilities */ |
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put_le16(p + 51, 0x0002); /* PIO cycle timing mode */ |
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put_le16(p + 52, 0x0001); /* DMA cycle timing mode */ |
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put_le16(p + 53, 0x0003); /* Translation params valid */ |
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put_le16(p + 54, s->cylinders); /* Current cylinders */ |
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put_le16(p + 55, s->heads); /* Current heads */ |
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put_le16(p + 56, s->sectors); /* Current sectors */ |
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put_le16(p + 57, cur_sec); /* Current capacity */ |
261 |
put_le16(p + 58, cur_sec >> 16); /* Current capacity */ |
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if (s->mult_sectors) /* Multiple sector setting */ |
263 |
put_le16(p + 59, 0x100 | s->mult_sectors); |
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put_le16(p + 60, s->nb_sectors); /* Total LBA sectors */ |
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put_le16(p + 61, s->nb_sectors >> 16); /* Total LBA sectors */ |
266 |
put_le16(p + 63, 0x0203); /* Multiword DMA capability */ |
267 |
put_le16(p + 64, 0x0001); /* Flow Control PIO support */ |
268 |
put_le16(p + 65, 0x0096); /* Min. Multiword DMA cycle */ |
269 |
put_le16(p + 66, 0x0096); /* Rec. Multiword DMA cycle */ |
270 |
put_le16(p + 68, 0x00b4); /* Min. PIO cycle time */ |
271 |
put_le16(p + 82, 0x400c); /* Command Set supported */ |
272 |
put_le16(p + 83, 0x7068); /* Command Set supported */ |
273 |
put_le16(p + 84, 0x4000); /* Features supported */ |
274 |
put_le16(p + 85, 0x000c); /* Command Set enabled */ |
275 |
put_le16(p + 86, 0x7044); /* Command Set enabled */ |
276 |
put_le16(p + 87, 0x4000); /* Features enabled */ |
277 |
put_le16(p + 91, 0x4060); /* Current APM level */ |
278 |
put_le16(p + 129, 0x0002); /* Current features option */ |
279 |
put_le16(p + 130, 0x0005); /* Reassigned sectors */ |
280 |
put_le16(p + 131, 0x0001); /* Initial power mode */ |
281 |
put_le16(p + 132, 0x0000); /* User signature */ |
282 |
put_le16(p + 160, 0x8100); /* Power requirement */ |
283 |
put_le16(p + 161, 0x8001); /* CF command set */ |
284 |
|
285 |
s->identify_set = 1;
|
286 |
|
287 |
fill_buffer:
|
288 |
memcpy(s->io_buffer, p, sizeof(s->identify_data));
|
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} |
290 |
|
291 |
static void ide_set_signature(IDEState *s) |
292 |
{ |
293 |
s->select &= 0xf0; /* clear head */ |
294 |
/* put signature */
|
295 |
s->nsector = 1;
|
296 |
s->sector = 1;
|
297 |
if (s->drive_kind == IDE_CD) {
|
298 |
s->lcyl = 0x14;
|
299 |
s->hcyl = 0xeb;
|
300 |
} else if (s->bs) { |
301 |
s->lcyl = 0;
|
302 |
s->hcyl = 0;
|
303 |
} else {
|
304 |
s->lcyl = 0xff;
|
305 |
s->hcyl = 0xff;
|
306 |
} |
307 |
} |
308 |
|
309 |
static inline void ide_abort_command(IDEState *s) |
310 |
{ |
311 |
s->status = READY_STAT | ERR_STAT; |
312 |
s->error = ABRT_ERR; |
313 |
} |
314 |
|
315 |
static inline void ide_dma_submit_check(IDEState *s, |
316 |
BlockDriverCompletionFunc *dma_cb, BMDMAState *bm) |
317 |
{ |
318 |
if (bm->aiocb)
|
319 |
return;
|
320 |
dma_cb(bm, -1);
|
321 |
} |
322 |
|
323 |
/* prepare data transfer and tell what to do after */
|
324 |
static void ide_transfer_start(IDEState *s, uint8_t *buf, int size, |
325 |
EndTransferFunc *end_transfer_func) |
326 |
{ |
327 |
s->end_transfer_func = end_transfer_func; |
328 |
s->data_ptr = buf; |
329 |
s->data_end = buf + size; |
330 |
if (!(s->status & ERR_STAT))
|
331 |
s->status |= DRQ_STAT; |
332 |
} |
333 |
|
334 |
static void ide_transfer_stop(IDEState *s) |
335 |
{ |
336 |
s->end_transfer_func = ide_transfer_stop; |
337 |
s->data_ptr = s->io_buffer; |
338 |
s->data_end = s->io_buffer; |
339 |
s->status &= ~DRQ_STAT; |
340 |
} |
341 |
|
342 |
int64_t ide_get_sector(IDEState *s) |
343 |
{ |
344 |
int64_t sector_num; |
345 |
if (s->select & 0x40) { |
346 |
/* lba */
|
347 |
if (!s->lba48) {
|
348 |
sector_num = ((s->select & 0x0f) << 24) | (s->hcyl << 16) | |
349 |
(s->lcyl << 8) | s->sector;
|
350 |
} else {
|
351 |
sector_num = ((int64_t)s->hob_hcyl << 40) |
|
352 |
((int64_t) s->hob_lcyl << 32) |
|
353 |
((int64_t) s->hob_sector << 24) |
|
354 |
((int64_t) s->hcyl << 16) |
|
355 |
((int64_t) s->lcyl << 8) | s->sector;
|
356 |
} |
357 |
} else {
|
358 |
sector_num = ((s->hcyl << 8) | s->lcyl) * s->heads * s->sectors +
|
359 |
(s->select & 0x0f) * s->sectors + (s->sector - 1); |
360 |
} |
361 |
return sector_num;
|
362 |
} |
363 |
|
364 |
void ide_set_sector(IDEState *s, int64_t sector_num)
|
365 |
{ |
366 |
unsigned int cyl, r; |
367 |
if (s->select & 0x40) { |
368 |
if (!s->lba48) {
|
369 |
s->select = (s->select & 0xf0) | (sector_num >> 24); |
370 |
s->hcyl = (sector_num >> 16);
|
371 |
s->lcyl = (sector_num >> 8);
|
372 |
s->sector = (sector_num); |
373 |
} else {
|
374 |
s->sector = sector_num; |
375 |
s->lcyl = sector_num >> 8;
|
376 |
s->hcyl = sector_num >> 16;
|
377 |
s->hob_sector = sector_num >> 24;
|
378 |
s->hob_lcyl = sector_num >> 32;
|
379 |
s->hob_hcyl = sector_num >> 40;
|
380 |
} |
381 |
} else {
|
382 |
cyl = sector_num / (s->heads * s->sectors); |
383 |
r = sector_num % (s->heads * s->sectors); |
384 |
s->hcyl = cyl >> 8;
|
385 |
s->lcyl = cyl; |
386 |
s->select = (s->select & 0xf0) | ((r / s->sectors) & 0x0f); |
387 |
s->sector = (r % s->sectors) + 1;
|
388 |
} |
389 |
} |
390 |
|
391 |
static void ide_rw_error(IDEState *s) { |
392 |
ide_abort_command(s); |
393 |
ide_set_irq(s->bus); |
394 |
} |
395 |
|
396 |
static void ide_sector_read(IDEState *s) |
397 |
{ |
398 |
int64_t sector_num; |
399 |
int ret, n;
|
400 |
|
401 |
s->status = READY_STAT | SEEK_STAT; |
402 |
s->error = 0; /* not needed by IDE spec, but needed by Windows */ |
403 |
sector_num = ide_get_sector(s); |
404 |
n = s->nsector; |
405 |
if (n == 0) { |
406 |
/* no more sector to read from disk */
|
407 |
ide_transfer_stop(s); |
408 |
} else {
|
409 |
#if defined(DEBUG_IDE)
|
410 |
printf("read sector=%" PRId64 "\n", sector_num); |
411 |
#endif
|
412 |
if (n > s->req_nb_sectors)
|
413 |
n = s->req_nb_sectors; |
414 |
ret = bdrv_read(s->bs, sector_num, s->io_buffer, n); |
415 |
if (ret != 0) { |
416 |
if (ide_handle_rw_error(s, -ret,
|
417 |
BM_STATUS_PIO_RETRY | BM_STATUS_RETRY_READ)) |
418 |
{ |
419 |
return;
|
420 |
} |
421 |
} |
422 |
ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_read);
|
423 |
ide_set_irq(s->bus); |
424 |
ide_set_sector(s, sector_num + n); |
425 |
s->nsector -= n; |
426 |
} |
427 |
} |
428 |
|
429 |
|
430 |
/* return 0 if buffer completed */
|
431 |
static int dma_buf_prepare(BMDMAState *bm, int is_write) |
432 |
{ |
433 |
IDEState *s = bmdma_active_if(bm); |
434 |
struct {
|
435 |
uint32_t addr; |
436 |
uint32_t size; |
437 |
} prd; |
438 |
int l, len;
|
439 |
|
440 |
qemu_sglist_init(&s->sg, s->nsector / (IDE_PAGE_SIZE / 512) + 1); |
441 |
s->io_buffer_size = 0;
|
442 |
for(;;) {
|
443 |
if (bm->cur_prd_len == 0) { |
444 |
/* end of table (with a fail safe of one page) */
|
445 |
if (bm->cur_prd_last ||
|
446 |
(bm->cur_addr - bm->addr) >= IDE_PAGE_SIZE) |
447 |
return s->io_buffer_size != 0; |
448 |
cpu_physical_memory_read(bm->cur_addr, (uint8_t *)&prd, 8);
|
449 |
bm->cur_addr += 8;
|
450 |
prd.addr = le32_to_cpu(prd.addr); |
451 |
prd.size = le32_to_cpu(prd.size); |
452 |
len = prd.size & 0xfffe;
|
453 |
if (len == 0) |
454 |
len = 0x10000;
|
455 |
bm->cur_prd_len = len; |
456 |
bm->cur_prd_addr = prd.addr; |
457 |
bm->cur_prd_last = (prd.size & 0x80000000);
|
458 |
} |
459 |
l = bm->cur_prd_len; |
460 |
if (l > 0) { |
461 |
qemu_sglist_add(&s->sg, bm->cur_prd_addr, l); |
462 |
bm->cur_prd_addr += l; |
463 |
bm->cur_prd_len -= l; |
464 |
s->io_buffer_size += l; |
465 |
} |
466 |
} |
467 |
return 1; |
468 |
} |
469 |
|
470 |
static void dma_buf_commit(IDEState *s, int is_write) |
471 |
{ |
472 |
qemu_sglist_destroy(&s->sg); |
473 |
} |
474 |
|
475 |
void ide_dma_error(IDEState *s)
|
476 |
{ |
477 |
ide_transfer_stop(s); |
478 |
s->error = ABRT_ERR; |
479 |
s->status = READY_STAT | ERR_STAT; |
480 |
ide_set_irq(s->bus); |
481 |
} |
482 |
|
483 |
static int ide_handle_rw_error(IDEState *s, int error, int op) |
484 |
{ |
485 |
int is_read = (op & BM_STATUS_RETRY_READ);
|
486 |
BlockErrorAction action = bdrv_get_on_error(s->bs, is_read); |
487 |
|
488 |
if (action == BLOCK_ERR_IGNORE) {
|
489 |
bdrv_mon_event(s->bs, BDRV_ACTION_IGNORE, is_read); |
490 |
return 0; |
491 |
} |
492 |
|
493 |
if ((error == ENOSPC && action == BLOCK_ERR_STOP_ENOSPC)
|
494 |
|| action == BLOCK_ERR_STOP_ANY) { |
495 |
s->bus->bmdma->unit = s->unit; |
496 |
s->bus->bmdma->status |= op; |
497 |
bdrv_mon_event(s->bs, BDRV_ACTION_STOP, is_read); |
498 |
vm_stop(0);
|
499 |
} else {
|
500 |
if (op & BM_STATUS_DMA_RETRY) {
|
501 |
dma_buf_commit(s, 0);
|
502 |
ide_dma_error(s); |
503 |
} else {
|
504 |
ide_rw_error(s); |
505 |
} |
506 |
bdrv_mon_event(s->bs, BDRV_ACTION_REPORT, is_read); |
507 |
} |
508 |
|
509 |
return 1; |
510 |
} |
511 |
|
512 |
/* return 0 if buffer completed */
|
513 |
static int dma_buf_rw(BMDMAState *bm, int is_write) |
514 |
{ |
515 |
IDEState *s = bmdma_active_if(bm); |
516 |
struct {
|
517 |
uint32_t addr; |
518 |
uint32_t size; |
519 |
} prd; |
520 |
int l, len;
|
521 |
|
522 |
for(;;) {
|
523 |
l = s->io_buffer_size - s->io_buffer_index; |
524 |
if (l <= 0) |
525 |
break;
|
526 |
if (bm->cur_prd_len == 0) { |
527 |
/* end of table (with a fail safe of one page) */
|
528 |
if (bm->cur_prd_last ||
|
529 |
(bm->cur_addr - bm->addr) >= IDE_PAGE_SIZE) |
530 |
return 0; |
531 |
cpu_physical_memory_read(bm->cur_addr, (uint8_t *)&prd, 8);
|
532 |
bm->cur_addr += 8;
|
533 |
prd.addr = le32_to_cpu(prd.addr); |
534 |
prd.size = le32_to_cpu(prd.size); |
535 |
len = prd.size & 0xfffe;
|
536 |
if (len == 0) |
537 |
len = 0x10000;
|
538 |
bm->cur_prd_len = len; |
539 |
bm->cur_prd_addr = prd.addr; |
540 |
bm->cur_prd_last = (prd.size & 0x80000000);
|
541 |
} |
542 |
if (l > bm->cur_prd_len)
|
543 |
l = bm->cur_prd_len; |
544 |
if (l > 0) { |
545 |
if (is_write) {
|
546 |
cpu_physical_memory_write(bm->cur_prd_addr, |
547 |
s->io_buffer + s->io_buffer_index, l); |
548 |
} else {
|
549 |
cpu_physical_memory_read(bm->cur_prd_addr, |
550 |
s->io_buffer + s->io_buffer_index, l); |
551 |
} |
552 |
bm->cur_prd_addr += l; |
553 |
bm->cur_prd_len -= l; |
554 |
s->io_buffer_index += l; |
555 |
} |
556 |
} |
557 |
return 1; |
558 |
} |
559 |
|
560 |
static void ide_read_dma_cb(void *opaque, int ret) |
561 |
{ |
562 |
BMDMAState *bm = opaque; |
563 |
IDEState *s = bmdma_active_if(bm); |
564 |
int n;
|
565 |
int64_t sector_num; |
566 |
|
567 |
if (ret < 0) { |
568 |
if (ide_handle_rw_error(s, -ret,
|
569 |
BM_STATUS_DMA_RETRY | BM_STATUS_RETRY_READ)) |
570 |
{ |
571 |
return;
|
572 |
} |
573 |
} |
574 |
|
575 |
n = s->io_buffer_size >> 9;
|
576 |
sector_num = ide_get_sector(s); |
577 |
if (n > 0) { |
578 |
dma_buf_commit(s, 1);
|
579 |
sector_num += n; |
580 |
ide_set_sector(s, sector_num); |
581 |
s->nsector -= n; |
582 |
} |
583 |
|
584 |
/* end of transfer ? */
|
585 |
if (s->nsector == 0) { |
586 |
s->status = READY_STAT | SEEK_STAT; |
587 |
ide_set_irq(s->bus); |
588 |
eot:
|
589 |
bm->status &= ~BM_STATUS_DMAING; |
590 |
bm->status |= BM_STATUS_INT; |
591 |
bm->dma_cb = NULL;
|
592 |
bm->unit = -1;
|
593 |
bm->aiocb = NULL;
|
594 |
return;
|
595 |
} |
596 |
|
597 |
/* launch next transfer */
|
598 |
n = s->nsector; |
599 |
s->io_buffer_index = 0;
|
600 |
s->io_buffer_size = n * 512;
|
601 |
if (dma_buf_prepare(bm, 1) == 0) |
602 |
goto eot;
|
603 |
#ifdef DEBUG_AIO
|
604 |
printf("aio_read: sector_num=%" PRId64 " n=%d\n", sector_num, n); |
605 |
#endif
|
606 |
bm->aiocb = dma_bdrv_read(s->bs, &s->sg, sector_num, ide_read_dma_cb, bm); |
607 |
ide_dma_submit_check(s, ide_read_dma_cb, bm); |
608 |
} |
609 |
|
610 |
static void ide_sector_read_dma(IDEState *s) |
611 |
{ |
612 |
s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; |
613 |
s->io_buffer_index = 0;
|
614 |
s->io_buffer_size = 0;
|
615 |
s->is_read = 1;
|
616 |
ide_dma_start(s, ide_read_dma_cb); |
617 |
} |
618 |
|
619 |
static void ide_sector_write_timer_cb(void *opaque) |
620 |
{ |
621 |
IDEState *s = opaque; |
622 |
ide_set_irq(s->bus); |
623 |
} |
624 |
|
625 |
static void ide_sector_write(IDEState *s) |
626 |
{ |
627 |
int64_t sector_num; |
628 |
int ret, n, n1;
|
629 |
|
630 |
s->status = READY_STAT | SEEK_STAT; |
631 |
sector_num = ide_get_sector(s); |
632 |
#if defined(DEBUG_IDE)
|
633 |
printf("write sector=%" PRId64 "\n", sector_num); |
634 |
#endif
|
635 |
n = s->nsector; |
636 |
if (n > s->req_nb_sectors)
|
637 |
n = s->req_nb_sectors; |
638 |
ret = bdrv_write(s->bs, sector_num, s->io_buffer, n); |
639 |
|
640 |
if (ret != 0) { |
641 |
if (ide_handle_rw_error(s, -ret, BM_STATUS_PIO_RETRY))
|
642 |
return;
|
643 |
} |
644 |
|
645 |
s->nsector -= n; |
646 |
if (s->nsector == 0) { |
647 |
/* no more sectors to write */
|
648 |
ide_transfer_stop(s); |
649 |
} else {
|
650 |
n1 = s->nsector; |
651 |
if (n1 > s->req_nb_sectors)
|
652 |
n1 = s->req_nb_sectors; |
653 |
ide_transfer_start(s, s->io_buffer, 512 * n1, ide_sector_write);
|
654 |
} |
655 |
ide_set_sector(s, sector_num + n); |
656 |
|
657 |
if (win2k_install_hack && ((++s->irq_count % 16) == 0)) { |
658 |
/* It seems there is a bug in the Windows 2000 installer HDD
|
659 |
IDE driver which fills the disk with empty logs when the
|
660 |
IDE write IRQ comes too early. This hack tries to correct
|
661 |
that at the expense of slower write performances. Use this
|
662 |
option _only_ to install Windows 2000. You must disable it
|
663 |
for normal use. */
|
664 |
qemu_mod_timer(s->sector_write_timer, |
665 |
qemu_get_clock(vm_clock) + (get_ticks_per_sec() / 1000));
|
666 |
} else {
|
667 |
ide_set_irq(s->bus); |
668 |
} |
669 |
} |
670 |
|
671 |
static void ide_dma_restart_bh(void *opaque) |
672 |
{ |
673 |
BMDMAState *bm = opaque; |
674 |
int is_read;
|
675 |
|
676 |
qemu_bh_delete(bm->bh); |
677 |
bm->bh = NULL;
|
678 |
|
679 |
is_read = !!(bm->status & BM_STATUS_RETRY_READ); |
680 |
|
681 |
if (bm->status & BM_STATUS_DMA_RETRY) {
|
682 |
bm->status &= ~(BM_STATUS_DMA_RETRY | BM_STATUS_RETRY_READ); |
683 |
ide_dma_restart(bmdma_active_if(bm), is_read); |
684 |
} else if (bm->status & BM_STATUS_PIO_RETRY) { |
685 |
bm->status &= ~(BM_STATUS_PIO_RETRY | BM_STATUS_RETRY_READ); |
686 |
if (is_read) {
|
687 |
ide_sector_read(bmdma_active_if(bm)); |
688 |
} else {
|
689 |
ide_sector_write(bmdma_active_if(bm)); |
690 |
} |
691 |
} |
692 |
} |
693 |
|
694 |
void ide_dma_restart_cb(void *opaque, int running, int reason) |
695 |
{ |
696 |
BMDMAState *bm = opaque; |
697 |
|
698 |
if (!running)
|
699 |
return;
|
700 |
|
701 |
if (!bm->bh) {
|
702 |
bm->bh = qemu_bh_new(ide_dma_restart_bh, bm); |
703 |
qemu_bh_schedule(bm->bh); |
704 |
} |
705 |
} |
706 |
|
707 |
static void ide_write_dma_cb(void *opaque, int ret) |
708 |
{ |
709 |
BMDMAState *bm = opaque; |
710 |
IDEState *s = bmdma_active_if(bm); |
711 |
int n;
|
712 |
int64_t sector_num; |
713 |
|
714 |
if (ret < 0) { |
715 |
if (ide_handle_rw_error(s, -ret, BM_STATUS_DMA_RETRY))
|
716 |
return;
|
717 |
} |
718 |
|
719 |
n = s->io_buffer_size >> 9;
|
720 |
sector_num = ide_get_sector(s); |
721 |
if (n > 0) { |
722 |
dma_buf_commit(s, 0);
|
723 |
sector_num += n; |
724 |
ide_set_sector(s, sector_num); |
725 |
s->nsector -= n; |
726 |
} |
727 |
|
728 |
/* end of transfer ? */
|
729 |
if (s->nsector == 0) { |
730 |
s->status = READY_STAT | SEEK_STAT; |
731 |
ide_set_irq(s->bus); |
732 |
eot:
|
733 |
bm->status &= ~BM_STATUS_DMAING; |
734 |
bm->status |= BM_STATUS_INT; |
735 |
bm->dma_cb = NULL;
|
736 |
bm->unit = -1;
|
737 |
bm->aiocb = NULL;
|
738 |
return;
|
739 |
} |
740 |
|
741 |
n = s->nsector; |
742 |
s->io_buffer_size = n * 512;
|
743 |
/* launch next transfer */
|
744 |
if (dma_buf_prepare(bm, 0) == 0) |
745 |
goto eot;
|
746 |
#ifdef DEBUG_AIO
|
747 |
printf("aio_write: sector_num=%" PRId64 " n=%d\n", sector_num, n); |
748 |
#endif
|
749 |
bm->aiocb = dma_bdrv_write(s->bs, &s->sg, sector_num, ide_write_dma_cb, bm); |
750 |
ide_dma_submit_check(s, ide_write_dma_cb, bm); |
751 |
} |
752 |
|
753 |
static void ide_sector_write_dma(IDEState *s) |
754 |
{ |
755 |
s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; |
756 |
s->io_buffer_index = 0;
|
757 |
s->io_buffer_size = 0;
|
758 |
s->is_read = 0;
|
759 |
ide_dma_start(s, ide_write_dma_cb); |
760 |
} |
761 |
|
762 |
void ide_atapi_cmd_ok(IDEState *s)
|
763 |
{ |
764 |
s->error = 0;
|
765 |
s->status = READY_STAT | SEEK_STAT; |
766 |
s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
|
767 |
ide_set_irq(s->bus); |
768 |
} |
769 |
|
770 |
void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc) |
771 |
{ |
772 |
#ifdef DEBUG_IDE_ATAPI
|
773 |
printf("atapi_cmd_error: sense=0x%x asc=0x%x\n", sense_key, asc);
|
774 |
#endif
|
775 |
s->error = sense_key << 4;
|
776 |
s->status = READY_STAT | ERR_STAT; |
777 |
s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
|
778 |
s->sense_key = sense_key; |
779 |
s->asc = asc; |
780 |
ide_set_irq(s->bus); |
781 |
} |
782 |
|
783 |
static void ide_atapi_cmd_check_status(IDEState *s) |
784 |
{ |
785 |
#ifdef DEBUG_IDE_ATAPI
|
786 |
printf("atapi_cmd_check_status\n");
|
787 |
#endif
|
788 |
s->error = MC_ERR | (SENSE_UNIT_ATTENTION << 4);
|
789 |
s->status = ERR_STAT; |
790 |
s->nsector = 0;
|
791 |
ide_set_irq(s->bus); |
792 |
} |
793 |
|
794 |
static void ide_flush_cb(void *opaque, int ret) |
795 |
{ |
796 |
IDEState *s = opaque; |
797 |
|
798 |
/* XXX: how do we signal I/O errors here? */
|
799 |
|
800 |
s->status = READY_STAT | SEEK_STAT; |
801 |
ide_set_irq(s->bus); |
802 |
} |
803 |
|
804 |
static void ide_flush_cache(IDEState *s) |
805 |
{ |
806 |
if (s->bs) {
|
807 |
bdrv_aio_flush(s->bs, ide_flush_cb, s); |
808 |
} else {
|
809 |
ide_flush_cb(s, 0);
|
810 |
} |
811 |
} |
812 |
|
813 |
static inline void cpu_to_ube16(uint8_t *buf, int val) |
814 |
{ |
815 |
buf[0] = val >> 8; |
816 |
buf[1] = val & 0xff; |
817 |
} |
818 |
|
819 |
static inline void cpu_to_ube32(uint8_t *buf, unsigned int val) |
820 |
{ |
821 |
buf[0] = val >> 24; |
822 |
buf[1] = val >> 16; |
823 |
buf[2] = val >> 8; |
824 |
buf[3] = val & 0xff; |
825 |
} |
826 |
|
827 |
static inline int ube16_to_cpu(const uint8_t *buf) |
828 |
{ |
829 |
return (buf[0] << 8) | buf[1]; |
830 |
} |
831 |
|
832 |
static inline int ube32_to_cpu(const uint8_t *buf) |
833 |
{ |
834 |
return (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]; |
835 |
} |
836 |
|
837 |
static void lba_to_msf(uint8_t *buf, int lba) |
838 |
{ |
839 |
lba += 150;
|
840 |
buf[0] = (lba / 75) / 60; |
841 |
buf[1] = (lba / 75) % 60; |
842 |
buf[2] = lba % 75; |
843 |
} |
844 |
|
845 |
static void cd_data_to_raw(uint8_t *buf, int lba) |
846 |
{ |
847 |
/* sync bytes */
|
848 |
buf[0] = 0x00; |
849 |
memset(buf + 1, 0xff, 10); |
850 |
buf[11] = 0x00; |
851 |
buf += 12;
|
852 |
/* MSF */
|
853 |
lba_to_msf(buf, lba); |
854 |
buf[3] = 0x01; /* mode 1 data */ |
855 |
buf += 4;
|
856 |
/* data */
|
857 |
buf += 2048;
|
858 |
/* XXX: ECC not computed */
|
859 |
memset(buf, 0, 288); |
860 |
} |
861 |
|
862 |
static int cd_read_sector(BlockDriverState *bs, int lba, uint8_t *buf, |
863 |
int sector_size)
|
864 |
{ |
865 |
int ret;
|
866 |
|
867 |
switch(sector_size) {
|
868 |
case 2048: |
869 |
ret = bdrv_read(bs, (int64_t)lba << 2, buf, 4); |
870 |
break;
|
871 |
case 2352: |
872 |
ret = bdrv_read(bs, (int64_t)lba << 2, buf + 16, 4); |
873 |
if (ret < 0) |
874 |
return ret;
|
875 |
cd_data_to_raw(buf, lba); |
876 |
break;
|
877 |
default:
|
878 |
ret = -EIO; |
879 |
break;
|
880 |
} |
881 |
return ret;
|
882 |
} |
883 |
|
884 |
void ide_atapi_io_error(IDEState *s, int ret) |
885 |
{ |
886 |
/* XXX: handle more errors */
|
887 |
if (ret == -ENOMEDIUM) {
|
888 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
889 |
ASC_MEDIUM_NOT_PRESENT); |
890 |
} else {
|
891 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
892 |
ASC_LOGICAL_BLOCK_OOR); |
893 |
} |
894 |
} |
895 |
|
896 |
/* The whole ATAPI transfer logic is handled in this function */
|
897 |
static void ide_atapi_cmd_reply_end(IDEState *s) |
898 |
{ |
899 |
int byte_count_limit, size, ret;
|
900 |
#ifdef DEBUG_IDE_ATAPI
|
901 |
printf("reply: tx_size=%d elem_tx_size=%d index=%d\n",
|
902 |
s->packet_transfer_size, |
903 |
s->elementary_transfer_size, |
904 |
s->io_buffer_index); |
905 |
#endif
|
906 |
if (s->packet_transfer_size <= 0) { |
907 |
/* end of transfer */
|
908 |
ide_transfer_stop(s); |
909 |
s->status = READY_STAT | SEEK_STAT; |
910 |
s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
|
911 |
ide_set_irq(s->bus); |
912 |
#ifdef DEBUG_IDE_ATAPI
|
913 |
printf("status=0x%x\n", s->status);
|
914 |
#endif
|
915 |
} else {
|
916 |
/* see if a new sector must be read */
|
917 |
if (s->lba != -1 && s->io_buffer_index >= s->cd_sector_size) { |
918 |
ret = cd_read_sector(s->bs, s->lba, s->io_buffer, s->cd_sector_size); |
919 |
if (ret < 0) { |
920 |
ide_transfer_stop(s); |
921 |
ide_atapi_io_error(s, ret); |
922 |
return;
|
923 |
} |
924 |
s->lba++; |
925 |
s->io_buffer_index = 0;
|
926 |
} |
927 |
if (s->elementary_transfer_size > 0) { |
928 |
/* there are some data left to transmit in this elementary
|
929 |
transfer */
|
930 |
size = s->cd_sector_size - s->io_buffer_index; |
931 |
if (size > s->elementary_transfer_size)
|
932 |
size = s->elementary_transfer_size; |
933 |
ide_transfer_start(s, s->io_buffer + s->io_buffer_index, |
934 |
size, ide_atapi_cmd_reply_end); |
935 |
s->packet_transfer_size -= size; |
936 |
s->elementary_transfer_size -= size; |
937 |
s->io_buffer_index += size; |
938 |
} else {
|
939 |
/* a new transfer is needed */
|
940 |
s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO;
|
941 |
byte_count_limit = s->lcyl | (s->hcyl << 8);
|
942 |
#ifdef DEBUG_IDE_ATAPI
|
943 |
printf("byte_count_limit=%d\n", byte_count_limit);
|
944 |
#endif
|
945 |
if (byte_count_limit == 0xffff) |
946 |
byte_count_limit--; |
947 |
size = s->packet_transfer_size; |
948 |
if (size > byte_count_limit) {
|
949 |
/* byte count limit must be even if this case */
|
950 |
if (byte_count_limit & 1) |
951 |
byte_count_limit--; |
952 |
size = byte_count_limit; |
953 |
} |
954 |
s->lcyl = size; |
955 |
s->hcyl = size >> 8;
|
956 |
s->elementary_transfer_size = size; |
957 |
/* we cannot transmit more than one sector at a time */
|
958 |
if (s->lba != -1) { |
959 |
if (size > (s->cd_sector_size - s->io_buffer_index))
|
960 |
size = (s->cd_sector_size - s->io_buffer_index); |
961 |
} |
962 |
ide_transfer_start(s, s->io_buffer + s->io_buffer_index, |
963 |
size, ide_atapi_cmd_reply_end); |
964 |
s->packet_transfer_size -= size; |
965 |
s->elementary_transfer_size -= size; |
966 |
s->io_buffer_index += size; |
967 |
ide_set_irq(s->bus); |
968 |
#ifdef DEBUG_IDE_ATAPI
|
969 |
printf("status=0x%x\n", s->status);
|
970 |
#endif
|
971 |
} |
972 |
} |
973 |
} |
974 |
|
975 |
/* send a reply of 'size' bytes in s->io_buffer to an ATAPI command */
|
976 |
static void ide_atapi_cmd_reply(IDEState *s, int size, int max_size) |
977 |
{ |
978 |
if (size > max_size)
|
979 |
size = max_size; |
980 |
s->lba = -1; /* no sector read */ |
981 |
s->packet_transfer_size = size; |
982 |
s->io_buffer_size = size; /* dma: send the reply data as one chunk */
|
983 |
s->elementary_transfer_size = 0;
|
984 |
s->io_buffer_index = 0;
|
985 |
|
986 |
if (s->atapi_dma) {
|
987 |
s->status = READY_STAT | SEEK_STAT | DRQ_STAT; |
988 |
ide_dma_start(s, ide_atapi_cmd_read_dma_cb); |
989 |
} else {
|
990 |
s->status = READY_STAT | SEEK_STAT; |
991 |
ide_atapi_cmd_reply_end(s); |
992 |
} |
993 |
} |
994 |
|
995 |
/* start a CD-CDROM read command */
|
996 |
static void ide_atapi_cmd_read_pio(IDEState *s, int lba, int nb_sectors, |
997 |
int sector_size)
|
998 |
{ |
999 |
s->lba = lba; |
1000 |
s->packet_transfer_size = nb_sectors * sector_size; |
1001 |
s->elementary_transfer_size = 0;
|
1002 |
s->io_buffer_index = sector_size; |
1003 |
s->cd_sector_size = sector_size; |
1004 |
|
1005 |
s->status = READY_STAT | SEEK_STAT; |
1006 |
ide_atapi_cmd_reply_end(s); |
1007 |
} |
1008 |
|
1009 |
/* ATAPI DMA support */
|
1010 |
|
1011 |
/* XXX: handle read errors */
|
1012 |
static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret) |
1013 |
{ |
1014 |
BMDMAState *bm = opaque; |
1015 |
IDEState *s = bmdma_active_if(bm); |
1016 |
int data_offset, n;
|
1017 |
|
1018 |
if (ret < 0) { |
1019 |
ide_atapi_io_error(s, ret); |
1020 |
goto eot;
|
1021 |
} |
1022 |
|
1023 |
if (s->io_buffer_size > 0) { |
1024 |
/*
|
1025 |
* For a cdrom read sector command (s->lba != -1),
|
1026 |
* adjust the lba for the next s->io_buffer_size chunk
|
1027 |
* and dma the current chunk.
|
1028 |
* For a command != read (s->lba == -1), just transfer
|
1029 |
* the reply data.
|
1030 |
*/
|
1031 |
if (s->lba != -1) { |
1032 |
if (s->cd_sector_size == 2352) { |
1033 |
n = 1;
|
1034 |
cd_data_to_raw(s->io_buffer, s->lba); |
1035 |
} else {
|
1036 |
n = s->io_buffer_size >> 11;
|
1037 |
} |
1038 |
s->lba += n; |
1039 |
} |
1040 |
s->packet_transfer_size -= s->io_buffer_size; |
1041 |
if (dma_buf_rw(bm, 1) == 0) |
1042 |
goto eot;
|
1043 |
} |
1044 |
|
1045 |
if (s->packet_transfer_size <= 0) { |
1046 |
s->status = READY_STAT | SEEK_STAT; |
1047 |
s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
|
1048 |
ide_set_irq(s->bus); |
1049 |
eot:
|
1050 |
bm->status &= ~BM_STATUS_DMAING; |
1051 |
bm->status |= BM_STATUS_INT; |
1052 |
bm->dma_cb = NULL;
|
1053 |
bm->unit = -1;
|
1054 |
bm->aiocb = NULL;
|
1055 |
return;
|
1056 |
} |
1057 |
|
1058 |
s->io_buffer_index = 0;
|
1059 |
if (s->cd_sector_size == 2352) { |
1060 |
n = 1;
|
1061 |
s->io_buffer_size = s->cd_sector_size; |
1062 |
data_offset = 16;
|
1063 |
} else {
|
1064 |
n = s->packet_transfer_size >> 11;
|
1065 |
if (n > (IDE_DMA_BUF_SECTORS / 4)) |
1066 |
n = (IDE_DMA_BUF_SECTORS / 4);
|
1067 |
s->io_buffer_size = n * 2048;
|
1068 |
data_offset = 0;
|
1069 |
} |
1070 |
#ifdef DEBUG_AIO
|
1071 |
printf("aio_read_cd: lba=%u n=%d\n", s->lba, n);
|
1072 |
#endif
|
1073 |
bm->iov.iov_base = (void *)(s->io_buffer + data_offset);
|
1074 |
bm->iov.iov_len = n * 4 * 512; |
1075 |
qemu_iovec_init_external(&bm->qiov, &bm->iov, 1);
|
1076 |
bm->aiocb = bdrv_aio_readv(s->bs, (int64_t)s->lba << 2, &bm->qiov,
|
1077 |
n * 4, ide_atapi_cmd_read_dma_cb, bm);
|
1078 |
if (!bm->aiocb) {
|
1079 |
/* Note: media not present is the most likely case */
|
1080 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
1081 |
ASC_MEDIUM_NOT_PRESENT); |
1082 |
goto eot;
|
1083 |
} |
1084 |
} |
1085 |
|
1086 |
/* start a CD-CDROM read command with DMA */
|
1087 |
/* XXX: test if DMA is available */
|
1088 |
static void ide_atapi_cmd_read_dma(IDEState *s, int lba, int nb_sectors, |
1089 |
int sector_size)
|
1090 |
{ |
1091 |
s->lba = lba; |
1092 |
s->packet_transfer_size = nb_sectors * sector_size; |
1093 |
s->io_buffer_index = 0;
|
1094 |
s->io_buffer_size = 0;
|
1095 |
s->cd_sector_size = sector_size; |
1096 |
|
1097 |
/* XXX: check if BUSY_STAT should be set */
|
1098 |
s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; |
1099 |
ide_dma_start(s, ide_atapi_cmd_read_dma_cb); |
1100 |
} |
1101 |
|
1102 |
static void ide_atapi_cmd_read(IDEState *s, int lba, int nb_sectors, |
1103 |
int sector_size)
|
1104 |
{ |
1105 |
#ifdef DEBUG_IDE_ATAPI
|
1106 |
printf("read %s: LBA=%d nb_sectors=%d\n", s->atapi_dma ? "dma" : "pio", |
1107 |
lba, nb_sectors); |
1108 |
#endif
|
1109 |
if (s->atapi_dma) {
|
1110 |
ide_atapi_cmd_read_dma(s, lba, nb_sectors, sector_size); |
1111 |
} else {
|
1112 |
ide_atapi_cmd_read_pio(s, lba, nb_sectors, sector_size); |
1113 |
} |
1114 |
} |
1115 |
|
1116 |
static inline uint8_t ide_atapi_set_profile(uint8_t *buf, uint8_t *index, |
1117 |
uint16_t profile) |
1118 |
{ |
1119 |
uint8_t *buf_profile = buf + 12; /* start of profiles */ |
1120 |
|
1121 |
buf_profile += ((*index) * 4); /* start of indexed profile */ |
1122 |
cpu_to_ube16 (buf_profile, profile); |
1123 |
buf_profile[2] = ((buf_profile[0] == buf[6]) && (buf_profile[1] == buf[7])); |
1124 |
|
1125 |
/* each profile adds 4 bytes to the response */
|
1126 |
(*index)++; |
1127 |
buf[11] += 4; /* Additional Length */ |
1128 |
|
1129 |
return 4; |
1130 |
} |
1131 |
|
1132 |
static int ide_dvd_read_structure(IDEState *s, int format, |
1133 |
const uint8_t *packet, uint8_t *buf)
|
1134 |
{ |
1135 |
switch (format) {
|
1136 |
case 0x0: /* Physical format information */ |
1137 |
{ |
1138 |
int layer = packet[6]; |
1139 |
uint64_t total_sectors; |
1140 |
|
1141 |
if (layer != 0) |
1142 |
return -ASC_INV_FIELD_IN_CMD_PACKET;
|
1143 |
|
1144 |
bdrv_get_geometry(s->bs, &total_sectors); |
1145 |
total_sectors >>= 2;
|
1146 |
if (total_sectors == 0) |
1147 |
return -ASC_MEDIUM_NOT_PRESENT;
|
1148 |
|
1149 |
buf[4] = 1; /* DVD-ROM, part version 1 */ |
1150 |
buf[5] = 0xf; /* 120mm disc, minimum rate unspecified */ |
1151 |
buf[6] = 1; /* one layer, read-only (per MMC-2 spec) */ |
1152 |
buf[7] = 0; /* default densities */ |
1153 |
|
1154 |
/* FIXME: 0x30000 per spec? */
|
1155 |
cpu_to_ube32(buf + 8, 0); /* start sector */ |
1156 |
cpu_to_ube32(buf + 12, total_sectors - 1); /* end sector */ |
1157 |
cpu_to_ube32(buf + 16, total_sectors - 1); /* l0 end sector */ |
1158 |
|
1159 |
/* Size of buffer, not including 2 byte size field */
|
1160 |
cpu_to_be16wu((uint16_t *)buf, 2048 + 2); |
1161 |
|
1162 |
/* 2k data + 4 byte header */
|
1163 |
return (2048 + 4); |
1164 |
} |
1165 |
|
1166 |
case 0x01: /* DVD copyright information */ |
1167 |
buf[4] = 0; /* no copyright data */ |
1168 |
buf[5] = 0; /* no region restrictions */ |
1169 |
|
1170 |
/* Size of buffer, not including 2 byte size field */
|
1171 |
cpu_to_be16wu((uint16_t *)buf, 4 + 2); |
1172 |
|
1173 |
/* 4 byte header + 4 byte data */
|
1174 |
return (4 + 4); |
1175 |
|
1176 |
case 0x03: /* BCA information - invalid field for no BCA info */ |
1177 |
return -ASC_INV_FIELD_IN_CMD_PACKET;
|
1178 |
|
1179 |
case 0x04: /* DVD disc manufacturing information */ |
1180 |
/* Size of buffer, not including 2 byte size field */
|
1181 |
cpu_to_be16wu((uint16_t *)buf, 2048 + 2); |
1182 |
|
1183 |
/* 2k data + 4 byte header */
|
1184 |
return (2048 + 4); |
1185 |
|
1186 |
case 0xff: |
1187 |
/*
|
1188 |
* This lists all the command capabilities above. Add new ones
|
1189 |
* in order and update the length and buffer return values.
|
1190 |
*/
|
1191 |
|
1192 |
buf[4] = 0x00; /* Physical format */ |
1193 |
buf[5] = 0x40; /* Not writable, is readable */ |
1194 |
cpu_to_be16wu((uint16_t *)(buf + 6), 2048 + 4); |
1195 |
|
1196 |
buf[8] = 0x01; /* Copyright info */ |
1197 |
buf[9] = 0x40; /* Not writable, is readable */ |
1198 |
cpu_to_be16wu((uint16_t *)(buf + 10), 4 + 4); |
1199 |
|
1200 |
buf[12] = 0x03; /* BCA info */ |
1201 |
buf[13] = 0x40; /* Not writable, is readable */ |
1202 |
cpu_to_be16wu((uint16_t *)(buf + 14), 188 + 4); |
1203 |
|
1204 |
buf[16] = 0x04; /* Manufacturing info */ |
1205 |
buf[17] = 0x40; /* Not writable, is readable */ |
1206 |
cpu_to_be16wu((uint16_t *)(buf + 18), 2048 + 4); |
1207 |
|
1208 |
/* Size of buffer, not including 2 byte size field */
|
1209 |
cpu_to_be16wu((uint16_t *)buf, 16 + 2); |
1210 |
|
1211 |
/* data written + 4 byte header */
|
1212 |
return (16 + 4); |
1213 |
|
1214 |
default: /* TODO: formats beyond DVD-ROM requires */ |
1215 |
return -ASC_INV_FIELD_IN_CMD_PACKET;
|
1216 |
} |
1217 |
} |
1218 |
|
1219 |
static void ide_atapi_cmd(IDEState *s) |
1220 |
{ |
1221 |
const uint8_t *packet;
|
1222 |
uint8_t *buf; |
1223 |
int max_len;
|
1224 |
|
1225 |
packet = s->io_buffer; |
1226 |
buf = s->io_buffer; |
1227 |
#ifdef DEBUG_IDE_ATAPI
|
1228 |
{ |
1229 |
int i;
|
1230 |
printf("ATAPI limit=0x%x packet:", s->lcyl | (s->hcyl << 8)); |
1231 |
for(i = 0; i < ATAPI_PACKET_SIZE; i++) { |
1232 |
printf(" %02x", packet[i]);
|
1233 |
} |
1234 |
printf("\n");
|
1235 |
} |
1236 |
#endif
|
1237 |
/* If there's a UNIT_ATTENTION condition pending, only
|
1238 |
REQUEST_SENSE and INQUIRY commands are allowed to complete. */
|
1239 |
if (s->sense_key == SENSE_UNIT_ATTENTION &&
|
1240 |
s->io_buffer[0] != GPCMD_REQUEST_SENSE &&
|
1241 |
s->io_buffer[0] != GPCMD_INQUIRY) {
|
1242 |
ide_atapi_cmd_check_status(s); |
1243 |
return;
|
1244 |
} |
1245 |
switch(s->io_buffer[0]) { |
1246 |
case GPCMD_TEST_UNIT_READY:
|
1247 |
if (bdrv_is_inserted(s->bs) && !s->cdrom_changed) {
|
1248 |
ide_atapi_cmd_ok(s); |
1249 |
} else {
|
1250 |
s->cdrom_changed = 0;
|
1251 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
1252 |
ASC_MEDIUM_NOT_PRESENT); |
1253 |
} |
1254 |
break;
|
1255 |
case GPCMD_MODE_SENSE_6:
|
1256 |
case GPCMD_MODE_SENSE_10:
|
1257 |
{ |
1258 |
int action, code;
|
1259 |
if (packet[0] == GPCMD_MODE_SENSE_10) |
1260 |
max_len = ube16_to_cpu(packet + 7);
|
1261 |
else
|
1262 |
max_len = packet[4];
|
1263 |
action = packet[2] >> 6; |
1264 |
code = packet[2] & 0x3f; |
1265 |
switch(action) {
|
1266 |
case 0: /* current values */ |
1267 |
switch(code) {
|
1268 |
case GPMODE_R_W_ERROR_PAGE: /* error recovery */ |
1269 |
cpu_to_ube16(&buf[0], 16 + 6); |
1270 |
buf[2] = 0x70; |
1271 |
buf[3] = 0; |
1272 |
buf[4] = 0; |
1273 |
buf[5] = 0; |
1274 |
buf[6] = 0; |
1275 |
buf[7] = 0; |
1276 |
|
1277 |
buf[8] = 0x01; |
1278 |
buf[9] = 0x06; |
1279 |
buf[10] = 0x00; |
1280 |
buf[11] = 0x05; |
1281 |
buf[12] = 0x00; |
1282 |
buf[13] = 0x00; |
1283 |
buf[14] = 0x00; |
1284 |
buf[15] = 0x00; |
1285 |
ide_atapi_cmd_reply(s, 16, max_len);
|
1286 |
break;
|
1287 |
case GPMODE_AUDIO_CTL_PAGE:
|
1288 |
cpu_to_ube16(&buf[0], 24 + 6); |
1289 |
buf[2] = 0x70; |
1290 |
buf[3] = 0; |
1291 |
buf[4] = 0; |
1292 |
buf[5] = 0; |
1293 |
buf[6] = 0; |
1294 |
buf[7] = 0; |
1295 |
|
1296 |
/* Fill with CDROM audio volume */
|
1297 |
buf[17] = 0; |
1298 |
buf[19] = 0; |
1299 |
buf[21] = 0; |
1300 |
buf[23] = 0; |
1301 |
|
1302 |
ide_atapi_cmd_reply(s, 24, max_len);
|
1303 |
break;
|
1304 |
case GPMODE_CAPABILITIES_PAGE:
|
1305 |
cpu_to_ube16(&buf[0], 28 + 6); |
1306 |
buf[2] = 0x70; |
1307 |
buf[3] = 0; |
1308 |
buf[4] = 0; |
1309 |
buf[5] = 0; |
1310 |
buf[6] = 0; |
1311 |
buf[7] = 0; |
1312 |
|
1313 |
buf[8] = 0x2a; |
1314 |
buf[9] = 0x12; |
1315 |
buf[10] = 0x00; |
1316 |
buf[11] = 0x00; |
1317 |
|
1318 |
/* Claim PLAY_AUDIO capability (0x01) since some Linux
|
1319 |
code checks for this to automount media. */
|
1320 |
buf[12] = 0x71; |
1321 |
buf[13] = 3 << 5; |
1322 |
buf[14] = (1 << 0) | (1 << 3) | (1 << 5); |
1323 |
if (bdrv_is_locked(s->bs))
|
1324 |
buf[6] |= 1 << 1; |
1325 |
buf[15] = 0x00; |
1326 |
cpu_to_ube16(&buf[16], 706); |
1327 |
buf[18] = 0; |
1328 |
buf[19] = 2; |
1329 |
cpu_to_ube16(&buf[20], 512); |
1330 |
cpu_to_ube16(&buf[22], 706); |
1331 |
buf[24] = 0; |
1332 |
buf[25] = 0; |
1333 |
buf[26] = 0; |
1334 |
buf[27] = 0; |
1335 |
ide_atapi_cmd_reply(s, 28, max_len);
|
1336 |
break;
|
1337 |
default:
|
1338 |
goto error_cmd;
|
1339 |
} |
1340 |
break;
|
1341 |
case 1: /* changeable values */ |
1342 |
goto error_cmd;
|
1343 |
case 2: /* default values */ |
1344 |
goto error_cmd;
|
1345 |
default:
|
1346 |
case 3: /* saved values */ |
1347 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
1348 |
ASC_SAVING_PARAMETERS_NOT_SUPPORTED); |
1349 |
break;
|
1350 |
} |
1351 |
} |
1352 |
break;
|
1353 |
case GPCMD_REQUEST_SENSE:
|
1354 |
max_len = packet[4];
|
1355 |
memset(buf, 0, 18); |
1356 |
buf[0] = 0x70 | (1 << 7); |
1357 |
buf[2] = s->sense_key;
|
1358 |
buf[7] = 10; |
1359 |
buf[12] = s->asc;
|
1360 |
if (s->sense_key == SENSE_UNIT_ATTENTION)
|
1361 |
s->sense_key = SENSE_NONE; |
1362 |
ide_atapi_cmd_reply(s, 18, max_len);
|
1363 |
break;
|
1364 |
case GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
|
1365 |
if (bdrv_is_inserted(s->bs)) {
|
1366 |
bdrv_set_locked(s->bs, packet[4] & 1); |
1367 |
ide_atapi_cmd_ok(s); |
1368 |
} else {
|
1369 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
1370 |
ASC_MEDIUM_NOT_PRESENT); |
1371 |
} |
1372 |
break;
|
1373 |
case GPCMD_READ_10:
|
1374 |
case GPCMD_READ_12:
|
1375 |
{ |
1376 |
int nb_sectors, lba;
|
1377 |
|
1378 |
if (packet[0] == GPCMD_READ_10) |
1379 |
nb_sectors = ube16_to_cpu(packet + 7);
|
1380 |
else
|
1381 |
nb_sectors = ube32_to_cpu(packet + 6);
|
1382 |
lba = ube32_to_cpu(packet + 2);
|
1383 |
if (nb_sectors == 0) { |
1384 |
ide_atapi_cmd_ok(s); |
1385 |
break;
|
1386 |
} |
1387 |
ide_atapi_cmd_read(s, lba, nb_sectors, 2048);
|
1388 |
} |
1389 |
break;
|
1390 |
case GPCMD_READ_CD:
|
1391 |
{ |
1392 |
int nb_sectors, lba, transfer_request;
|
1393 |
|
1394 |
nb_sectors = (packet[6] << 16) | (packet[7] << 8) | packet[8]; |
1395 |
lba = ube32_to_cpu(packet + 2);
|
1396 |
if (nb_sectors == 0) { |
1397 |
ide_atapi_cmd_ok(s); |
1398 |
break;
|
1399 |
} |
1400 |
transfer_request = packet[9];
|
1401 |
switch(transfer_request & 0xf8) { |
1402 |
case 0x00: |
1403 |
/* nothing */
|
1404 |
ide_atapi_cmd_ok(s); |
1405 |
break;
|
1406 |
case 0x10: |
1407 |
/* normal read */
|
1408 |
ide_atapi_cmd_read(s, lba, nb_sectors, 2048);
|
1409 |
break;
|
1410 |
case 0xf8: |
1411 |
/* read all data */
|
1412 |
ide_atapi_cmd_read(s, lba, nb_sectors, 2352);
|
1413 |
break;
|
1414 |
default:
|
1415 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
1416 |
ASC_INV_FIELD_IN_CMD_PACKET); |
1417 |
break;
|
1418 |
} |
1419 |
} |
1420 |
break;
|
1421 |
case GPCMD_SEEK:
|
1422 |
{ |
1423 |
unsigned int lba; |
1424 |
uint64_t total_sectors; |
1425 |
|
1426 |
bdrv_get_geometry(s->bs, &total_sectors); |
1427 |
total_sectors >>= 2;
|
1428 |
if (total_sectors == 0) { |
1429 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
1430 |
ASC_MEDIUM_NOT_PRESENT); |
1431 |
break;
|
1432 |
} |
1433 |
lba = ube32_to_cpu(packet + 2);
|
1434 |
if (lba >= total_sectors) {
|
1435 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
1436 |
ASC_LOGICAL_BLOCK_OOR); |
1437 |
break;
|
1438 |
} |
1439 |
ide_atapi_cmd_ok(s); |
1440 |
} |
1441 |
break;
|
1442 |
case GPCMD_START_STOP_UNIT:
|
1443 |
{ |
1444 |
int start, eject, err = 0; |
1445 |
start = packet[4] & 1; |
1446 |
eject = (packet[4] >> 1) & 1; |
1447 |
|
1448 |
if (eject) {
|
1449 |
err = bdrv_eject(s->bs, !start); |
1450 |
} |
1451 |
|
1452 |
switch (err) {
|
1453 |
case 0: |
1454 |
ide_atapi_cmd_ok(s); |
1455 |
break;
|
1456 |
case -EBUSY:
|
1457 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
1458 |
ASC_MEDIA_REMOVAL_PREVENTED); |
1459 |
break;
|
1460 |
default:
|
1461 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
1462 |
ASC_MEDIUM_NOT_PRESENT); |
1463 |
break;
|
1464 |
} |
1465 |
} |
1466 |
break;
|
1467 |
case GPCMD_MECHANISM_STATUS:
|
1468 |
{ |
1469 |
max_len = ube16_to_cpu(packet + 8);
|
1470 |
cpu_to_ube16(buf, 0);
|
1471 |
/* no current LBA */
|
1472 |
buf[2] = 0; |
1473 |
buf[3] = 0; |
1474 |
buf[4] = 0; |
1475 |
buf[5] = 1; |
1476 |
cpu_to_ube16(buf + 6, 0); |
1477 |
ide_atapi_cmd_reply(s, 8, max_len);
|
1478 |
} |
1479 |
break;
|
1480 |
case GPCMD_READ_TOC_PMA_ATIP:
|
1481 |
{ |
1482 |
int format, msf, start_track, len;
|
1483 |
uint64_t total_sectors; |
1484 |
|
1485 |
bdrv_get_geometry(s->bs, &total_sectors); |
1486 |
total_sectors >>= 2;
|
1487 |
if (total_sectors == 0) { |
1488 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
1489 |
ASC_MEDIUM_NOT_PRESENT); |
1490 |
break;
|
1491 |
} |
1492 |
max_len = ube16_to_cpu(packet + 7);
|
1493 |
format = packet[9] >> 6; |
1494 |
msf = (packet[1] >> 1) & 1; |
1495 |
start_track = packet[6];
|
1496 |
switch(format) {
|
1497 |
case 0: |
1498 |
len = cdrom_read_toc(total_sectors, buf, msf, start_track); |
1499 |
if (len < 0) |
1500 |
goto error_cmd;
|
1501 |
ide_atapi_cmd_reply(s, len, max_len); |
1502 |
break;
|
1503 |
case 1: |
1504 |
/* multi session : only a single session defined */
|
1505 |
memset(buf, 0, 12); |
1506 |
buf[1] = 0x0a; |
1507 |
buf[2] = 0x01; |
1508 |
buf[3] = 0x01; |
1509 |
ide_atapi_cmd_reply(s, 12, max_len);
|
1510 |
break;
|
1511 |
case 2: |
1512 |
len = cdrom_read_toc_raw(total_sectors, buf, msf, start_track); |
1513 |
if (len < 0) |
1514 |
goto error_cmd;
|
1515 |
ide_atapi_cmd_reply(s, len, max_len); |
1516 |
break;
|
1517 |
default:
|
1518 |
error_cmd:
|
1519 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
1520 |
ASC_INV_FIELD_IN_CMD_PACKET); |
1521 |
break;
|
1522 |
} |
1523 |
} |
1524 |
break;
|
1525 |
case GPCMD_READ_CDVD_CAPACITY:
|
1526 |
{ |
1527 |
uint64_t total_sectors; |
1528 |
|
1529 |
bdrv_get_geometry(s->bs, &total_sectors); |
1530 |
total_sectors >>= 2;
|
1531 |
if (total_sectors == 0) { |
1532 |
ide_atapi_cmd_error(s, SENSE_NOT_READY, |
1533 |
ASC_MEDIUM_NOT_PRESENT); |
1534 |
break;
|
1535 |
} |
1536 |
/* NOTE: it is really the number of sectors minus 1 */
|
1537 |
cpu_to_ube32(buf, total_sectors - 1);
|
1538 |
cpu_to_ube32(buf + 4, 2048); |
1539 |
ide_atapi_cmd_reply(s, 8, 8); |
1540 |
} |
1541 |
break;
|
1542 |
case GPCMD_READ_DVD_STRUCTURE:
|
1543 |
{ |
1544 |
int media = packet[1]; |
1545 |
int format = packet[7]; |
1546 |
int ret;
|
1547 |
|
1548 |
max_len = ube16_to_cpu(packet + 8);
|
1549 |
|
1550 |
if (format < 0xff) { |
1551 |
if (media_is_cd(s)) {
|
1552 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
1553 |
ASC_INCOMPATIBLE_FORMAT); |
1554 |
break;
|
1555 |
} else if (!media_present(s)) { |
1556 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
1557 |
ASC_INV_FIELD_IN_CMD_PACKET); |
1558 |
break;
|
1559 |
} |
1560 |
} |
1561 |
|
1562 |
memset(buf, 0, max_len > IDE_DMA_BUF_SECTORS * 512 + 4 ? |
1563 |
IDE_DMA_BUF_SECTORS * 512 + 4 : max_len); |
1564 |
|
1565 |
switch (format) {
|
1566 |
case 0x00 ... 0x7f: |
1567 |
case 0xff: |
1568 |
if (media == 0) { |
1569 |
ret = ide_dvd_read_structure(s, format, packet, buf); |
1570 |
|
1571 |
if (ret < 0) |
1572 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, -ret); |
1573 |
else
|
1574 |
ide_atapi_cmd_reply(s, ret, max_len); |
1575 |
|
1576 |
break;
|
1577 |
} |
1578 |
/* TODO: BD support, fall through for now */
|
1579 |
|
1580 |
/* Generic disk structures */
|
1581 |
case 0x80: /* TODO: AACS volume identifier */ |
1582 |
case 0x81: /* TODO: AACS media serial number */ |
1583 |
case 0x82: /* TODO: AACS media identifier */ |
1584 |
case 0x83: /* TODO: AACS media key block */ |
1585 |
case 0x90: /* TODO: List of recognized format layers */ |
1586 |
case 0xc0: /* TODO: Write protection status */ |
1587 |
default:
|
1588 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
1589 |
ASC_INV_FIELD_IN_CMD_PACKET); |
1590 |
break;
|
1591 |
} |
1592 |
} |
1593 |
break;
|
1594 |
case GPCMD_SET_SPEED:
|
1595 |
ide_atapi_cmd_ok(s); |
1596 |
break;
|
1597 |
case GPCMD_INQUIRY:
|
1598 |
max_len = packet[4];
|
1599 |
buf[0] = 0x05; /* CD-ROM */ |
1600 |
buf[1] = 0x80; /* removable */ |
1601 |
buf[2] = 0x00; /* ISO */ |
1602 |
buf[3] = 0x21; /* ATAPI-2 (XXX: put ATAPI-4 ?) */ |
1603 |
buf[4] = 31; /* additional length */ |
1604 |
buf[5] = 0; /* reserved */ |
1605 |
buf[6] = 0; /* reserved */ |
1606 |
buf[7] = 0; /* reserved */ |
1607 |
padstr8(buf + 8, 8, "QEMU"); |
1608 |
padstr8(buf + 16, 16, "QEMU DVD-ROM"); |
1609 |
padstr8(buf + 32, 4, s->version); |
1610 |
ide_atapi_cmd_reply(s, 36, max_len);
|
1611 |
break;
|
1612 |
case GPCMD_GET_CONFIGURATION:
|
1613 |
{ |
1614 |
uint32_t len; |
1615 |
uint8_t index = 0;
|
1616 |
|
1617 |
/* only feature 0 is supported */
|
1618 |
if (packet[2] != 0 || packet[3] != 0) { |
1619 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
1620 |
ASC_INV_FIELD_IN_CMD_PACKET); |
1621 |
break;
|
1622 |
} |
1623 |
|
1624 |
/* XXX: could result in alignment problems in some architectures */
|
1625 |
max_len = ube16_to_cpu(packet + 7);
|
1626 |
|
1627 |
/*
|
1628 |
* XXX: avoid overflow for io_buffer if max_len is bigger than
|
1629 |
* the size of that buffer (dimensioned to max number of
|
1630 |
* sectors to transfer at once)
|
1631 |
*
|
1632 |
* Only a problem if the feature/profiles grow.
|
1633 |
*/
|
1634 |
if (max_len > 512) /* XXX: assume 1 sector */ |
1635 |
max_len = 512;
|
1636 |
|
1637 |
memset(buf, 0, max_len);
|
1638 |
/*
|
1639 |
* the number of sectors from the media tells us which profile
|
1640 |
* to use as current. 0 means there is no media
|
1641 |
*/
|
1642 |
if (media_is_dvd(s))
|
1643 |
cpu_to_ube16(buf + 6, MMC_PROFILE_DVD_ROM);
|
1644 |
else if (media_is_cd(s)) |
1645 |
cpu_to_ube16(buf + 6, MMC_PROFILE_CD_ROM);
|
1646 |
|
1647 |
buf[10] = 0x02 | 0x01; /* persistent and current */ |
1648 |
len = 12; /* headers: 8 + 4 */ |
1649 |
len += ide_atapi_set_profile(buf, &index, MMC_PROFILE_DVD_ROM); |
1650 |
len += ide_atapi_set_profile(buf, &index, MMC_PROFILE_CD_ROM); |
1651 |
cpu_to_ube32(buf, len - 4); /* data length */ |
1652 |
|
1653 |
ide_atapi_cmd_reply(s, len, max_len); |
1654 |
break;
|
1655 |
} |
1656 |
case GPCMD_GET_EVENT_STATUS_NOTIFICATION:
|
1657 |
max_len = ube16_to_cpu(packet + 7);
|
1658 |
|
1659 |
if (packet[1] & 0x01) { /* polling */ |
1660 |
/* We don't support any event class (yet). */
|
1661 |
cpu_to_ube16(buf, 0x00); /* No event descriptor returned */ |
1662 |
buf[2] = 0x80; /* No Event Available (NEA) */ |
1663 |
buf[3] = 0x00; /* Empty supported event classes */ |
1664 |
ide_atapi_cmd_reply(s, 4, max_len);
|
1665 |
} else { /* asynchronous mode */ |
1666 |
/* Only polling is supported, asynchronous mode is not. */
|
1667 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
1668 |
ASC_INV_FIELD_IN_CMD_PACKET); |
1669 |
} |
1670 |
break;
|
1671 |
default:
|
1672 |
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
1673 |
ASC_ILLEGAL_OPCODE); |
1674 |
break;
|
1675 |
} |
1676 |
} |
1677 |
|
1678 |
static void ide_cfata_metadata_inquiry(IDEState *s) |
1679 |
{ |
1680 |
uint16_t *p; |
1681 |
uint32_t spd; |
1682 |
|
1683 |
p = (uint16_t *) s->io_buffer; |
1684 |
memset(p, 0, 0x200); |
1685 |
spd = ((s->mdata_size - 1) >> 9) + 1; |
1686 |
|
1687 |
put_le16(p + 0, 0x0001); /* Data format revision */ |
1688 |
put_le16(p + 1, 0x0000); /* Media property: silicon */ |
1689 |
put_le16(p + 2, s->media_changed); /* Media status */ |
1690 |
put_le16(p + 3, s->mdata_size & 0xffff); /* Capacity in bytes (low) */ |
1691 |
put_le16(p + 4, s->mdata_size >> 16); /* Capacity in bytes (high) */ |
1692 |
put_le16(p + 5, spd & 0xffff); /* Sectors per device (low) */ |
1693 |
put_le16(p + 6, spd >> 16); /* Sectors per device (high) */ |
1694 |
} |
1695 |
|
1696 |
static void ide_cfata_metadata_read(IDEState *s) |
1697 |
{ |
1698 |
uint16_t *p; |
1699 |
|
1700 |
if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) { |
1701 |
s->status = ERR_STAT; |
1702 |
s->error = ABRT_ERR; |
1703 |
return;
|
1704 |
} |
1705 |
|
1706 |
p = (uint16_t *) s->io_buffer; |
1707 |
memset(p, 0, 0x200); |
1708 |
|
1709 |
put_le16(p + 0, s->media_changed); /* Media status */ |
1710 |
memcpy(p + 1, s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9), |
1711 |
MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9), |
1712 |
s->nsector << 9), 0x200 - 2)); |
1713 |
} |
1714 |
|
1715 |
static void ide_cfata_metadata_write(IDEState *s) |
1716 |
{ |
1717 |
if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) { |
1718 |
s->status = ERR_STAT; |
1719 |
s->error = ABRT_ERR; |
1720 |
return;
|
1721 |
} |
1722 |
|
1723 |
s->media_changed = 0;
|
1724 |
|
1725 |
memcpy(s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9), |
1726 |
s->io_buffer + 2,
|
1727 |
MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9), |
1728 |
s->nsector << 9), 0x200 - 2)); |
1729 |
} |
1730 |
|
1731 |
/* called when the inserted state of the media has changed */
|
1732 |
static void cdrom_change_cb(void *opaque) |
1733 |
{ |
1734 |
IDEState *s = opaque; |
1735 |
uint64_t nb_sectors; |
1736 |
|
1737 |
bdrv_get_geometry(s->bs, &nb_sectors); |
1738 |
s->nb_sectors = nb_sectors; |
1739 |
|
1740 |
s->sense_key = SENSE_UNIT_ATTENTION; |
1741 |
s->asc = ASC_MEDIUM_MAY_HAVE_CHANGED; |
1742 |
s->cdrom_changed = 1;
|
1743 |
ide_set_irq(s->bus); |
1744 |
} |
1745 |
|
1746 |
static void ide_cmd_lba48_transform(IDEState *s, int lba48) |
1747 |
{ |
1748 |
s->lba48 = lba48; |
1749 |
|
1750 |
/* handle the 'magic' 0 nsector count conversion here. to avoid
|
1751 |
* fiddling with the rest of the read logic, we just store the
|
1752 |
* full sector count in ->nsector and ignore ->hob_nsector from now
|
1753 |
*/
|
1754 |
if (!s->lba48) {
|
1755 |
if (!s->nsector)
|
1756 |
s->nsector = 256;
|
1757 |
} else {
|
1758 |
if (!s->nsector && !s->hob_nsector)
|
1759 |
s->nsector = 65536;
|
1760 |
else {
|
1761 |
int lo = s->nsector;
|
1762 |
int hi = s->hob_nsector;
|
1763 |
|
1764 |
s->nsector = (hi << 8) | lo;
|
1765 |
} |
1766 |
} |
1767 |
} |
1768 |
|
1769 |
static void ide_clear_hob(IDEBus *bus) |
1770 |
{ |
1771 |
/* any write clears HOB high bit of device control register */
|
1772 |
bus->ifs[0].select &= ~(1 << 7); |
1773 |
bus->ifs[1].select &= ~(1 << 7); |
1774 |
} |
1775 |
|
1776 |
void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val) |
1777 |
{ |
1778 |
IDEBus *bus = opaque; |
1779 |
IDEState *s; |
1780 |
int n;
|
1781 |
int lba48 = 0; |
1782 |
|
1783 |
#ifdef DEBUG_IDE
|
1784 |
printf("IDE: write addr=0x%x val=0x%02x\n", addr, val);
|
1785 |
#endif
|
1786 |
|
1787 |
addr &= 7;
|
1788 |
|
1789 |
/* ignore writes to command block while busy with previous command */
|
1790 |
if (addr != 7 && (idebus_active_if(bus)->status & (BUSY_STAT|DRQ_STAT))) |
1791 |
return;
|
1792 |
|
1793 |
switch(addr) {
|
1794 |
case 0: |
1795 |
break;
|
1796 |
case 1: |
1797 |
ide_clear_hob(bus); |
1798 |
/* NOTE: data is written to the two drives */
|
1799 |
bus->ifs[0].hob_feature = bus->ifs[0].feature; |
1800 |
bus->ifs[1].hob_feature = bus->ifs[1].feature; |
1801 |
bus->ifs[0].feature = val;
|
1802 |
bus->ifs[1].feature = val;
|
1803 |
break;
|
1804 |
case 2: |
1805 |
ide_clear_hob(bus); |
1806 |
bus->ifs[0].hob_nsector = bus->ifs[0].nsector; |
1807 |
bus->ifs[1].hob_nsector = bus->ifs[1].nsector; |
1808 |
bus->ifs[0].nsector = val;
|
1809 |
bus->ifs[1].nsector = val;
|
1810 |
break;
|
1811 |
case 3: |
1812 |
ide_clear_hob(bus); |
1813 |
bus->ifs[0].hob_sector = bus->ifs[0].sector; |
1814 |
bus->ifs[1].hob_sector = bus->ifs[1].sector; |
1815 |
bus->ifs[0].sector = val;
|
1816 |
bus->ifs[1].sector = val;
|
1817 |
break;
|
1818 |
case 4: |
1819 |
ide_clear_hob(bus); |
1820 |
bus->ifs[0].hob_lcyl = bus->ifs[0].lcyl; |
1821 |
bus->ifs[1].hob_lcyl = bus->ifs[1].lcyl; |
1822 |
bus->ifs[0].lcyl = val;
|
1823 |
bus->ifs[1].lcyl = val;
|
1824 |
break;
|
1825 |
case 5: |
1826 |
ide_clear_hob(bus); |
1827 |
bus->ifs[0].hob_hcyl = bus->ifs[0].hcyl; |
1828 |
bus->ifs[1].hob_hcyl = bus->ifs[1].hcyl; |
1829 |
bus->ifs[0].hcyl = val;
|
1830 |
bus->ifs[1].hcyl = val;
|
1831 |
break;
|
1832 |
case 6: |
1833 |
/* FIXME: HOB readback uses bit 7 */
|
1834 |
bus->ifs[0].select = (val & ~0x10) | 0xa0; |
1835 |
bus->ifs[1].select = (val | 0x10) | 0xa0; |
1836 |
/* select drive */
|
1837 |
bus->unit = (val >> 4) & 1; |
1838 |
break;
|
1839 |
default:
|
1840 |
case 7: |
1841 |
/* command */
|
1842 |
#if defined(DEBUG_IDE)
|
1843 |
printf("ide: CMD=%02x\n", val);
|
1844 |
#endif
|
1845 |
s = idebus_active_if(bus); |
1846 |
/* ignore commands to non existant slave */
|
1847 |
if (s != bus->ifs && !s->bs)
|
1848 |
break;
|
1849 |
|
1850 |
/* Only DEVICE RESET is allowed while BSY or/and DRQ are set */
|
1851 |
if ((s->status & (BUSY_STAT|DRQ_STAT)) && val != WIN_DEVICE_RESET)
|
1852 |
break;
|
1853 |
|
1854 |
switch(val) {
|
1855 |
case WIN_IDENTIFY:
|
1856 |
if (s->bs && s->drive_kind != IDE_CD) {
|
1857 |
if (s->drive_kind != IDE_CFATA)
|
1858 |
ide_identify(s); |
1859 |
else
|
1860 |
ide_cfata_identify(s); |
1861 |
s->status = READY_STAT | SEEK_STAT; |
1862 |
ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop);
|
1863 |
} else {
|
1864 |
if (s->drive_kind == IDE_CD) {
|
1865 |
ide_set_signature(s); |
1866 |
} |
1867 |
ide_abort_command(s); |
1868 |
} |
1869 |
ide_set_irq(s->bus); |
1870 |
break;
|
1871 |
case WIN_SPECIFY:
|
1872 |
case WIN_RECAL:
|
1873 |
s->error = 0;
|
1874 |
s->status = READY_STAT | SEEK_STAT; |
1875 |
ide_set_irq(s->bus); |
1876 |
break;
|
1877 |
case WIN_SETMULT:
|
1878 |
if (s->drive_kind == IDE_CFATA && s->nsector == 0) { |
1879 |
/* Disable Read and Write Multiple */
|
1880 |
s->mult_sectors = 0;
|
1881 |
s->status = READY_STAT | SEEK_STAT; |
1882 |
} else if ((s->nsector & 0xff) != 0 && |
1883 |
((s->nsector & 0xff) > MAX_MULT_SECTORS ||
|
1884 |
(s->nsector & (s->nsector - 1)) != 0)) { |
1885 |
ide_abort_command(s); |
1886 |
} else {
|
1887 |
s->mult_sectors = s->nsector & 0xff;
|
1888 |
s->status = READY_STAT | SEEK_STAT; |
1889 |
} |
1890 |
ide_set_irq(s->bus); |
1891 |
break;
|
1892 |
case WIN_VERIFY_EXT:
|
1893 |
lba48 = 1;
|
1894 |
case WIN_VERIFY:
|
1895 |
case WIN_VERIFY_ONCE:
|
1896 |
/* do sector number check ? */
|
1897 |
ide_cmd_lba48_transform(s, lba48); |
1898 |
s->status = READY_STAT | SEEK_STAT; |
1899 |
ide_set_irq(s->bus); |
1900 |
break;
|
1901 |
case WIN_READ_EXT:
|
1902 |
lba48 = 1;
|
1903 |
case WIN_READ:
|
1904 |
case WIN_READ_ONCE:
|
1905 |
if (!s->bs)
|
1906 |
goto abort_cmd;
|
1907 |
ide_cmd_lba48_transform(s, lba48); |
1908 |
s->req_nb_sectors = 1;
|
1909 |
ide_sector_read(s); |
1910 |
break;
|
1911 |
case WIN_WRITE_EXT:
|
1912 |
lba48 = 1;
|
1913 |
case WIN_WRITE:
|
1914 |
case WIN_WRITE_ONCE:
|
1915 |
case CFA_WRITE_SECT_WO_ERASE:
|
1916 |
case WIN_WRITE_VERIFY:
|
1917 |
ide_cmd_lba48_transform(s, lba48); |
1918 |
s->error = 0;
|
1919 |
s->status = SEEK_STAT | READY_STAT; |
1920 |
s->req_nb_sectors = 1;
|
1921 |
ide_transfer_start(s, s->io_buffer, 512, ide_sector_write);
|
1922 |
s->media_changed = 1;
|
1923 |
break;
|
1924 |
case WIN_MULTREAD_EXT:
|
1925 |
lba48 = 1;
|
1926 |
case WIN_MULTREAD:
|
1927 |
if (!s->mult_sectors)
|
1928 |
goto abort_cmd;
|
1929 |
ide_cmd_lba48_transform(s, lba48); |
1930 |
s->req_nb_sectors = s->mult_sectors; |
1931 |
ide_sector_read(s); |
1932 |
break;
|
1933 |
case WIN_MULTWRITE_EXT:
|
1934 |
lba48 = 1;
|
1935 |
case WIN_MULTWRITE:
|
1936 |
case CFA_WRITE_MULTI_WO_ERASE:
|
1937 |
if (!s->mult_sectors)
|
1938 |
goto abort_cmd;
|
1939 |
ide_cmd_lba48_transform(s, lba48); |
1940 |
s->error = 0;
|
1941 |
s->status = SEEK_STAT | READY_STAT; |
1942 |
s->req_nb_sectors = s->mult_sectors; |
1943 |
n = s->nsector; |
1944 |
if (n > s->req_nb_sectors)
|
1945 |
n = s->req_nb_sectors; |
1946 |
ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_write);
|
1947 |
s->media_changed = 1;
|
1948 |
break;
|
1949 |
case WIN_READDMA_EXT:
|
1950 |
lba48 = 1;
|
1951 |
case WIN_READDMA:
|
1952 |
case WIN_READDMA_ONCE:
|
1953 |
if (!s->bs)
|
1954 |
goto abort_cmd;
|
1955 |
ide_cmd_lba48_transform(s, lba48); |
1956 |
ide_sector_read_dma(s); |
1957 |
break;
|
1958 |
case WIN_WRITEDMA_EXT:
|
1959 |
lba48 = 1;
|
1960 |
case WIN_WRITEDMA:
|
1961 |
case WIN_WRITEDMA_ONCE:
|
1962 |
if (!s->bs)
|
1963 |
goto abort_cmd;
|
1964 |
ide_cmd_lba48_transform(s, lba48); |
1965 |
ide_sector_write_dma(s); |
1966 |
s->media_changed = 1;
|
1967 |
break;
|
1968 |
case WIN_READ_NATIVE_MAX_EXT:
|
1969 |
lba48 = 1;
|
1970 |
case WIN_READ_NATIVE_MAX:
|
1971 |
ide_cmd_lba48_transform(s, lba48); |
1972 |
ide_set_sector(s, s->nb_sectors - 1);
|
1973 |
s->status = READY_STAT | SEEK_STAT; |
1974 |
ide_set_irq(s->bus); |
1975 |
break;
|
1976 |
case WIN_CHECKPOWERMODE1:
|
1977 |
case WIN_CHECKPOWERMODE2:
|
1978 |
s->nsector = 0xff; /* device active or idle */ |
1979 |
s->status = READY_STAT | SEEK_STAT; |
1980 |
ide_set_irq(s->bus); |
1981 |
break;
|
1982 |
case WIN_SETFEATURES:
|
1983 |
if (!s->bs)
|
1984 |
goto abort_cmd;
|
1985 |
/* XXX: valid for CDROM ? */
|
1986 |
switch(s->feature) {
|
1987 |
case 0xcc: /* reverting to power-on defaults enable */ |
1988 |
case 0x66: /* reverting to power-on defaults disable */ |
1989 |
case 0x02: /* write cache enable */ |
1990 |
case 0x82: /* write cache disable */ |
1991 |
case 0xaa: /* read look-ahead enable */ |
1992 |
case 0x55: /* read look-ahead disable */ |
1993 |
case 0x05: /* set advanced power management mode */ |
1994 |
case 0x85: /* disable advanced power management mode */ |
1995 |
case 0x69: /* NOP */ |
1996 |
case 0x67: /* NOP */ |
1997 |
case 0x96: /* NOP */ |
1998 |
case 0x9a: /* NOP */ |
1999 |
case 0x42: /* enable Automatic Acoustic Mode */ |
2000 |
case 0xc2: /* disable Automatic Acoustic Mode */ |
2001 |
s->status = READY_STAT | SEEK_STAT; |
2002 |
ide_set_irq(s->bus); |
2003 |
break;
|
2004 |
case 0x03: { /* set transfer mode */ |
2005 |
uint8_t val = s->nsector & 0x07;
|
2006 |
uint16_t *identify_data = (uint16_t *)s->identify_data; |
2007 |
|
2008 |
switch (s->nsector >> 3) { |
2009 |
case 0x00: /* pio default */ |
2010 |
case 0x01: /* pio mode */ |
2011 |
put_le16(identify_data + 62,0x07); |
2012 |
put_le16(identify_data + 63,0x07); |
2013 |
put_le16(identify_data + 88,0x3f); |
2014 |
break;
|
2015 |
case 0x02: /* sigle word dma mode*/ |
2016 |
put_le16(identify_data + 62,0x07 | (1 << (val + 8))); |
2017 |
put_le16(identify_data + 63,0x07); |
2018 |
put_le16(identify_data + 88,0x3f); |
2019 |
break;
|
2020 |
case 0x04: /* mdma mode */ |
2021 |
put_le16(identify_data + 62,0x07); |
2022 |
put_le16(identify_data + 63,0x07 | (1 << (val + 8))); |
2023 |
put_le16(identify_data + 88,0x3f); |
2024 |
break;
|
2025 |
case 0x08: /* udma mode */ |
2026 |
put_le16(identify_data + 62,0x07); |
2027 |
put_le16(identify_data + 63,0x07); |
2028 |
put_le16(identify_data + 88,0x3f | (1 << (val + 8))); |
2029 |
break;
|
2030 |
default:
|
2031 |
goto abort_cmd;
|
2032 |
} |
2033 |
s->status = READY_STAT | SEEK_STAT; |
2034 |
ide_set_irq(s->bus); |
2035 |
break;
|
2036 |
} |
2037 |
default:
|
2038 |
goto abort_cmd;
|
2039 |
} |
2040 |
break;
|
2041 |
case WIN_FLUSH_CACHE:
|
2042 |
case WIN_FLUSH_CACHE_EXT:
|
2043 |
ide_flush_cache(s); |
2044 |
break;
|
2045 |
case WIN_STANDBY:
|
2046 |
case WIN_STANDBY2:
|
2047 |
case WIN_STANDBYNOW1:
|
2048 |
case WIN_STANDBYNOW2:
|
2049 |
case WIN_IDLEIMMEDIATE:
|
2050 |
case CFA_IDLEIMMEDIATE:
|
2051 |
case WIN_SETIDLE1:
|
2052 |
case WIN_SETIDLE2:
|
2053 |
case WIN_SLEEPNOW1:
|
2054 |
case WIN_SLEEPNOW2:
|
2055 |
s->status = READY_STAT; |
2056 |
ide_set_irq(s->bus); |
2057 |
break;
|
2058 |
case WIN_SEEK:
|
2059 |
if(s->drive_kind == IDE_CD)
|
2060 |
goto abort_cmd;
|
2061 |
/* XXX: Check that seek is within bounds */
|
2062 |
s->status = READY_STAT | SEEK_STAT; |
2063 |
ide_set_irq(s->bus); |
2064 |
break;
|
2065 |
/* ATAPI commands */
|
2066 |
case WIN_PIDENTIFY:
|
2067 |
if (s->drive_kind == IDE_CD) {
|
2068 |
ide_atapi_identify(s); |
2069 |
s->status = READY_STAT | SEEK_STAT; |
2070 |
ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop);
|
2071 |
} else {
|
2072 |
ide_abort_command(s); |
2073 |
} |
2074 |
ide_set_irq(s->bus); |
2075 |
break;
|
2076 |
case WIN_DIAGNOSE:
|
2077 |
ide_set_signature(s); |
2078 |
if (s->drive_kind == IDE_CD)
|
2079 |
s->status = 0; /* ATAPI spec (v6) section 9.10 defines packet |
2080 |
* devices to return a clear status register
|
2081 |
* with READY_STAT *not* set. */
|
2082 |
else
|
2083 |
s->status = READY_STAT | SEEK_STAT; |
2084 |
s->error = 0x01; /* Device 0 passed, Device 1 passed or not |
2085 |
* present.
|
2086 |
*/
|
2087 |
ide_set_irq(s->bus); |
2088 |
break;
|
2089 |
case WIN_SRST:
|
2090 |
if (s->drive_kind != IDE_CD)
|
2091 |
goto abort_cmd;
|
2092 |
ide_set_signature(s); |
2093 |
s->status = 0x00; /* NOTE: READY is _not_ set */ |
2094 |
s->error = 0x01;
|
2095 |
break;
|
2096 |
case WIN_PACKETCMD:
|
2097 |
if (s->drive_kind != IDE_CD)
|
2098 |
goto abort_cmd;
|
2099 |
/* overlapping commands not supported */
|
2100 |
if (s->feature & 0x02) |
2101 |
goto abort_cmd;
|
2102 |
s->status = READY_STAT | SEEK_STAT; |
2103 |
s->atapi_dma = s->feature & 1;
|
2104 |
s->nsector = 1;
|
2105 |
ide_transfer_start(s, s->io_buffer, ATAPI_PACKET_SIZE, |
2106 |
ide_atapi_cmd); |
2107 |
break;
|
2108 |
/* CF-ATA commands */
|
2109 |
case CFA_REQ_EXT_ERROR_CODE:
|
2110 |
if (s->drive_kind != IDE_CFATA)
|
2111 |
goto abort_cmd;
|
2112 |
s->error = 0x09; /* miscellaneous error */ |
2113 |
s->status = READY_STAT | SEEK_STAT; |
2114 |
ide_set_irq(s->bus); |
2115 |
break;
|
2116 |
case CFA_ERASE_SECTORS:
|
2117 |
case CFA_WEAR_LEVEL:
|
2118 |
if (s->drive_kind != IDE_CFATA)
|
2119 |
goto abort_cmd;
|
2120 |
if (val == CFA_WEAR_LEVEL)
|
2121 |
s->nsector = 0;
|
2122 |
if (val == CFA_ERASE_SECTORS)
|
2123 |
s->media_changed = 1;
|
2124 |
s->error = 0x00;
|
2125 |
s->status = READY_STAT | SEEK_STAT; |
2126 |
ide_set_irq(s->bus); |
2127 |
break;
|
2128 |
case CFA_TRANSLATE_SECTOR:
|
2129 |
if (s->drive_kind != IDE_CFATA)
|
2130 |
goto abort_cmd;
|
2131 |
s->error = 0x00;
|
2132 |
s->status = READY_STAT | SEEK_STAT; |
2133 |
memset(s->io_buffer, 0, 0x200); |
2134 |
s->io_buffer[0x00] = s->hcyl; /* Cyl MSB */ |
2135 |
s->io_buffer[0x01] = s->lcyl; /* Cyl LSB */ |
2136 |
s->io_buffer[0x02] = s->select; /* Head */ |
2137 |
s->io_buffer[0x03] = s->sector; /* Sector */ |
2138 |
s->io_buffer[0x04] = ide_get_sector(s) >> 16; /* LBA MSB */ |
2139 |
s->io_buffer[0x05] = ide_get_sector(s) >> 8; /* LBA */ |
2140 |
s->io_buffer[0x06] = ide_get_sector(s) >> 0; /* LBA LSB */ |
2141 |
s->io_buffer[0x13] = 0x00; /* Erase flag */ |
2142 |
s->io_buffer[0x18] = 0x00; /* Hot count */ |
2143 |
s->io_buffer[0x19] = 0x00; /* Hot count */ |
2144 |
s->io_buffer[0x1a] = 0x01; /* Hot count */ |
2145 |
ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop);
|
2146 |
ide_set_irq(s->bus); |
2147 |
break;
|
2148 |
case CFA_ACCESS_METADATA_STORAGE:
|
2149 |
if (s->drive_kind != IDE_CFATA)
|
2150 |
goto abort_cmd;
|
2151 |
switch (s->feature) {
|
2152 |
case 0x02: /* Inquiry Metadata Storage */ |
2153 |
ide_cfata_metadata_inquiry(s); |
2154 |
break;
|
2155 |
case 0x03: /* Read Metadata Storage */ |
2156 |
ide_cfata_metadata_read(s); |
2157 |
break;
|
2158 |
case 0x04: /* Write Metadata Storage */ |
2159 |
ide_cfata_metadata_write(s); |
2160 |
break;
|
2161 |
default:
|
2162 |
goto abort_cmd;
|
2163 |
} |
2164 |
ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop);
|
2165 |
s->status = 0x00; /* NOTE: READY is _not_ set */ |
2166 |
ide_set_irq(s->bus); |
2167 |
break;
|
2168 |
case IBM_SENSE_CONDITION:
|
2169 |
if (s->drive_kind != IDE_CFATA)
|
2170 |
goto abort_cmd;
|
2171 |
switch (s->feature) {
|
2172 |
case 0x01: /* sense temperature in device */ |
2173 |
s->nsector = 0x50; /* +20 C */ |
2174 |
break;
|
2175 |
default:
|
2176 |
goto abort_cmd;
|
2177 |
} |
2178 |
s->status = READY_STAT | SEEK_STAT; |
2179 |
ide_set_irq(s->bus); |
2180 |
break;
|
2181 |
|
2182 |
case WIN_SMART:
|
2183 |
if (s->drive_kind == IDE_CD)
|
2184 |
goto abort_cmd;
|
2185 |
if (s->hcyl != 0xc2 || s->lcyl != 0x4f) |
2186 |
goto abort_cmd;
|
2187 |
if (!s->smart_enabled && s->feature != SMART_ENABLE)
|
2188 |
goto abort_cmd;
|
2189 |
switch (s->feature) {
|
2190 |
case SMART_DISABLE:
|
2191 |
s->smart_enabled = 0;
|
2192 |
s->status = READY_STAT | SEEK_STAT; |
2193 |
ide_set_irq(s->bus); |
2194 |
break;
|
2195 |
case SMART_ENABLE:
|
2196 |
s->smart_enabled = 1;
|
2197 |
s->status = READY_STAT | SEEK_STAT; |
2198 |
ide_set_irq(s->bus); |
2199 |
break;
|
2200 |
case SMART_ATTR_AUTOSAVE:
|
2201 |
switch (s->sector) {
|
2202 |
case 0x00: |
2203 |
s->smart_autosave = 0;
|
2204 |
break;
|
2205 |
case 0xf1: |
2206 |
s->smart_autosave = 1;
|
2207 |
break;
|
2208 |
default:
|
2209 |
goto abort_cmd;
|
2210 |
} |
2211 |
s->status = READY_STAT | SEEK_STAT; |
2212 |
ide_set_irq(s->bus); |
2213 |
break;
|
2214 |
case SMART_STATUS:
|
2215 |
if (!s->smart_errors) {
|
2216 |
s->hcyl = 0xc2;
|
2217 |
s->lcyl = 0x4f;
|
2218 |
} else {
|
2219 |
s->hcyl = 0x2c;
|
2220 |
s->lcyl = 0xf4;
|
2221 |
} |
2222 |
s->status = READY_STAT | SEEK_STAT; |
2223 |
ide_set_irq(s->bus); |
2224 |
break;
|
2225 |
case SMART_READ_THRESH:
|
2226 |
memset(s->io_buffer, 0, 0x200); |
2227 |
s->io_buffer[0] = 0x01; /* smart struct version */ |
2228 |
for (n=0; n<30; n++) { |
2229 |
if (smart_attributes[n][0] == 0) |
2230 |
break;
|
2231 |
s->io_buffer[2+0+(n*12)] = smart_attributes[n][0]; |
2232 |
s->io_buffer[2+1+(n*12)] = smart_attributes[n][4]; |
2233 |
} |
2234 |
for (n=0; n<511; n++) /* checksum */ |
2235 |
s->io_buffer[511] += s->io_buffer[n];
|
2236 |
s->io_buffer[511] = 0x100 - s->io_buffer[511]; |
2237 |
s->status = READY_STAT | SEEK_STAT; |
2238 |
ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop);
|
2239 |
ide_set_irq(s->bus); |
2240 |
break;
|
2241 |
case SMART_READ_DATA:
|
2242 |
memset(s->io_buffer, 0, 0x200); |
2243 |
s->io_buffer[0] = 0x01; /* smart struct version */ |
2244 |
for (n=0; n<30; n++) { |
2245 |
if (smart_attributes[n][0] == 0) |
2246 |
break;
|
2247 |
s->io_buffer[2+0+(n*12)] = smart_attributes[n][0]; |
2248 |
s->io_buffer[2+1+(n*12)] = smart_attributes[n][1]; |
2249 |
s->io_buffer[2+3+(n*12)] = smart_attributes[n][2]; |
2250 |
s->io_buffer[2+4+(n*12)] = smart_attributes[n][3]; |
2251 |
} |
2252 |
s->io_buffer[362] = 0x02 | (s->smart_autosave?0x80:0x00); |
2253 |
if (s->smart_selftest_count == 0) { |
2254 |
s->io_buffer[363] = 0; |
2255 |
} else {
|
2256 |
s->io_buffer[363] =
|
2257 |
s->smart_selftest_data[3 +
|
2258 |
(s->smart_selftest_count - 1) *
|
2259 |
24];
|
2260 |
} |
2261 |
s->io_buffer[364] = 0x20; |
2262 |
s->io_buffer[365] = 0x01; |
2263 |
/* offline data collection capacity: execute + self-test*/
|
2264 |
s->io_buffer[367] = (1<<4 | 1<<3 | 1); |
2265 |
s->io_buffer[368] = 0x03; /* smart capability (1) */ |
2266 |
s->io_buffer[369] = 0x00; /* smart capability (2) */ |
2267 |
s->io_buffer[370] = 0x01; /* error logging supported */ |
2268 |
s->io_buffer[372] = 0x02; /* minutes for poll short test */ |
2269 |
s->io_buffer[373] = 0x36; /* minutes for poll ext test */ |
2270 |
s->io_buffer[374] = 0x01; /* minutes for poll conveyance */ |
2271 |
|
2272 |
for (n=0; n<511; n++) |
2273 |
s->io_buffer[511] += s->io_buffer[n];
|
2274 |
s->io_buffer[511] = 0x100 - s->io_buffer[511]; |
2275 |
s->status = READY_STAT | SEEK_STAT; |
2276 |
ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop);
|
2277 |
ide_set_irq(s->bus); |
2278 |
break;
|
2279 |
case SMART_READ_LOG:
|
2280 |
switch (s->sector) {
|
2281 |
case 0x01: /* summary smart error log */ |
2282 |
memset(s->io_buffer, 0, 0x200); |
2283 |
s->io_buffer[0] = 0x01; |
2284 |
s->io_buffer[1] = 0x00; /* no error entries */ |
2285 |
s->io_buffer[452] = s->smart_errors & 0xff; |
2286 |
s->io_buffer[453] = (s->smart_errors & 0xff00) >> 8; |
2287 |
|
2288 |
for (n=0; n<511; n++) |
2289 |
s->io_buffer[511] += s->io_buffer[n];
|
2290 |
s->io_buffer[511] = 0x100 - s->io_buffer[511]; |
2291 |
break;
|
2292 |
case 0x06: /* smart self test log */ |
2293 |
memset(s->io_buffer, 0, 0x200); |
2294 |
s->io_buffer[0] = 0x01; |
2295 |
if (s->smart_selftest_count == 0) { |
2296 |
s->io_buffer[508] = 0; |
2297 |
} else {
|
2298 |
s->io_buffer[508] = s->smart_selftest_count;
|
2299 |
for (n=2; n<506; n++) |
2300 |
s->io_buffer[n] = s->smart_selftest_data[n]; |
2301 |
} |
2302 |
for (n=0; n<511; n++) |
2303 |
s->io_buffer[511] += s->io_buffer[n];
|
2304 |
s->io_buffer[511] = 0x100 - s->io_buffer[511]; |
2305 |
break;
|
2306 |
default:
|
2307 |
goto abort_cmd;
|
2308 |
} |
2309 |
s->status = READY_STAT | SEEK_STAT; |
2310 |
ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop);
|
2311 |
ide_set_irq(s->bus); |
2312 |
break;
|
2313 |
case SMART_EXECUTE_OFFLINE:
|
2314 |
switch (s->sector) {
|
2315 |
case 0: /* off-line routine */ |
2316 |
case 1: /* short self test */ |
2317 |
case 2: /* extended self test */ |
2318 |
s->smart_selftest_count++; |
2319 |
if(s->smart_selftest_count > 21) |
2320 |
s->smart_selftest_count = 0;
|
2321 |
n = 2 + (s->smart_selftest_count - 1) * 24; |
2322 |
s->smart_selftest_data[n] = s->sector; |
2323 |
s->smart_selftest_data[n+1] = 0x00; /* OK and finished */ |
2324 |
s->smart_selftest_data[n+2] = 0x34; /* hour count lsb */ |
2325 |
s->smart_selftest_data[n+3] = 0x12; /* hour count msb */ |
2326 |
s->status = READY_STAT | SEEK_STAT; |
2327 |
ide_set_irq(s->bus); |
2328 |
break;
|
2329 |
default:
|
2330 |
goto abort_cmd;
|
2331 |
} |
2332 |
break;
|
2333 |
default:
|
2334 |
goto abort_cmd;
|
2335 |
} |
2336 |
break;
|
2337 |
default:
|
2338 |
abort_cmd:
|
2339 |
ide_abort_command(s); |
2340 |
ide_set_irq(s->bus); |
2341 |
break;
|
2342 |
} |
2343 |
} |
2344 |
} |
2345 |
|
2346 |
uint32_t ide_ioport_read(void *opaque, uint32_t addr1)
|
2347 |
{ |
2348 |
IDEBus *bus = opaque; |
2349 |
IDEState *s = idebus_active_if(bus); |
2350 |
uint32_t addr; |
2351 |
int ret, hob;
|
2352 |
|
2353 |
addr = addr1 & 7;
|
2354 |
/* FIXME: HOB readback uses bit 7, but it's always set right now */
|
2355 |
//hob = s->select & (1 << 7);
|
2356 |
hob = 0;
|
2357 |
switch(addr) {
|
2358 |
case 0: |
2359 |
ret = 0xff;
|
2360 |
break;
|
2361 |
case 1: |
2362 |
if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || |
2363 |
(s != bus->ifs && !s->bs)) |
2364 |
ret = 0;
|
2365 |
else if (!hob) |
2366 |
ret = s->error; |
2367 |
else
|
2368 |
ret = s->hob_feature; |
2369 |
break;
|
2370 |
case 2: |
2371 |
if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
2372 |
ret = 0;
|
2373 |
else if (!hob) |
2374 |
ret = s->nsector & 0xff;
|
2375 |
else
|
2376 |
ret = s->hob_nsector; |
2377 |
break;
|
2378 |
case 3: |
2379 |
if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
2380 |
ret = 0;
|
2381 |
else if (!hob) |
2382 |
ret = s->sector; |
2383 |
else
|
2384 |
ret = s->hob_sector; |
2385 |
break;
|
2386 |
case 4: |
2387 |
if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
2388 |
ret = 0;
|
2389 |
else if (!hob) |
2390 |
ret = s->lcyl; |
2391 |
else
|
2392 |
ret = s->hob_lcyl; |
2393 |
break;
|
2394 |
case 5: |
2395 |
if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
2396 |
ret = 0;
|
2397 |
else if (!hob) |
2398 |
ret = s->hcyl; |
2399 |
else
|
2400 |
ret = s->hob_hcyl; |
2401 |
break;
|
2402 |
case 6: |
2403 |
if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
2404 |
ret = 0;
|
2405 |
else
|
2406 |
ret = s->select; |
2407 |
break;
|
2408 |
default:
|
2409 |
case 7: |
2410 |
if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || |
2411 |
(s != bus->ifs && !s->bs)) |
2412 |
ret = 0;
|
2413 |
else
|
2414 |
ret = s->status; |
2415 |
qemu_irq_lower(bus->irq); |
2416 |
break;
|
2417 |
} |
2418 |
#ifdef DEBUG_IDE
|
2419 |
printf("ide: read addr=0x%x val=%02x\n", addr1, ret);
|
2420 |
#endif
|
2421 |
return ret;
|
2422 |
} |
2423 |
|
2424 |
uint32_t ide_status_read(void *opaque, uint32_t addr)
|
2425 |
{ |
2426 |
IDEBus *bus = opaque; |
2427 |
IDEState *s = idebus_active_if(bus); |
2428 |
int ret;
|
2429 |
|
2430 |
if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || |
2431 |
(s != bus->ifs && !s->bs)) |
2432 |
ret = 0;
|
2433 |
else
|
2434 |
ret = s->status; |
2435 |
#ifdef DEBUG_IDE
|
2436 |
printf("ide: read status addr=0x%x val=%02x\n", addr, ret);
|
2437 |
#endif
|
2438 |
return ret;
|
2439 |
} |
2440 |
|
2441 |
void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val) |
2442 |
{ |
2443 |
IDEBus *bus = opaque; |
2444 |
IDEState *s; |
2445 |
int i;
|
2446 |
|
2447 |
#ifdef DEBUG_IDE
|
2448 |
printf("ide: write control addr=0x%x val=%02x\n", addr, val);
|
2449 |
#endif
|
2450 |
/* common for both drives */
|
2451 |
if (!(bus->cmd & IDE_CMD_RESET) &&
|
2452 |
(val & IDE_CMD_RESET)) { |
2453 |
/* reset low to high */
|
2454 |
for(i = 0;i < 2; i++) { |
2455 |
s = &bus->ifs[i]; |
2456 |
s->status = BUSY_STAT | SEEK_STAT; |
2457 |
s->error = 0x01;
|
2458 |
} |
2459 |
} else if ((bus->cmd & IDE_CMD_RESET) && |
2460 |
!(val & IDE_CMD_RESET)) { |
2461 |
/* high to low */
|
2462 |
for(i = 0;i < 2; i++) { |
2463 |
s = &bus->ifs[i]; |
2464 |
if (s->drive_kind == IDE_CD)
|
2465 |
s->status = 0x00; /* NOTE: READY is _not_ set */ |
2466 |
else
|
2467 |
s->status = READY_STAT | SEEK_STAT; |
2468 |
ide_set_signature(s); |
2469 |
} |
2470 |
} |
2471 |
|
2472 |
bus->cmd = val; |
2473 |
} |
2474 |
|
2475 |
void ide_data_writew(void *opaque, uint32_t addr, uint32_t val) |
2476 |
{ |
2477 |
IDEBus *bus = opaque; |
2478 |
IDEState *s = idebus_active_if(bus); |
2479 |
uint8_t *p; |
2480 |
|
2481 |
/* PIO data access allowed only when DRQ bit is set */
|
2482 |
if (!(s->status & DRQ_STAT))
|
2483 |
return;
|
2484 |
|
2485 |
p = s->data_ptr; |
2486 |
*(uint16_t *)p = le16_to_cpu(val); |
2487 |
p += 2;
|
2488 |
s->data_ptr = p; |
2489 |
if (p >= s->data_end)
|
2490 |
s->end_transfer_func(s); |
2491 |
} |
2492 |
|
2493 |
uint32_t ide_data_readw(void *opaque, uint32_t addr)
|
2494 |
{ |
2495 |
IDEBus *bus = opaque; |
2496 |
IDEState *s = idebus_active_if(bus); |
2497 |
uint8_t *p; |
2498 |
int ret;
|
2499 |
|
2500 |
/* PIO data access allowed only when DRQ bit is set */
|
2501 |
if (!(s->status & DRQ_STAT))
|
2502 |
return 0; |
2503 |
|
2504 |
p = s->data_ptr; |
2505 |
ret = cpu_to_le16(*(uint16_t *)p); |
2506 |
p += 2;
|
2507 |
s->data_ptr = p; |
2508 |
if (p >= s->data_end)
|
2509 |
s->end_transfer_func(s); |
2510 |
return ret;
|
2511 |
} |
2512 |
|
2513 |
void ide_data_writel(void *opaque, uint32_t addr, uint32_t val) |
2514 |
{ |
2515 |
IDEBus *bus = opaque; |
2516 |
IDEState *s = idebus_active_if(bus); |
2517 |
uint8_t *p; |
2518 |
|
2519 |
/* PIO data access allowed only when DRQ bit is set */
|
2520 |
if (!(s->status & DRQ_STAT))
|
2521 |
return;
|
2522 |
|
2523 |
p = s->data_ptr; |
2524 |
*(uint32_t *)p = le32_to_cpu(val); |
2525 |
p += 4;
|
2526 |
s->data_ptr = p; |
2527 |
if (p >= s->data_end)
|
2528 |
s->end_transfer_func(s); |
2529 |
} |
2530 |
|
2531 |
uint32_t ide_data_readl(void *opaque, uint32_t addr)
|
2532 |
{ |
2533 |
IDEBus *bus = opaque; |
2534 |
IDEState *s = idebus_active_if(bus); |
2535 |
uint8_t *p; |
2536 |
int ret;
|
2537 |
|
2538 |
/* PIO data access allowed only when DRQ bit is set */
|
2539 |
if (!(s->status & DRQ_STAT))
|
2540 |
return 0; |
2541 |
|
2542 |
p = s->data_ptr; |
2543 |
ret = cpu_to_le32(*(uint32_t *)p); |
2544 |
p += 4;
|
2545 |
s->data_ptr = p; |
2546 |
if (p >= s->data_end)
|
2547 |
s->end_transfer_func(s); |
2548 |
return ret;
|
2549 |
} |
2550 |
|
2551 |
static void ide_dummy_transfer_stop(IDEState *s) |
2552 |
{ |
2553 |
s->data_ptr = s->io_buffer; |
2554 |
s->data_end = s->io_buffer; |
2555 |
s->io_buffer[0] = 0xff; |
2556 |
s->io_buffer[1] = 0xff; |
2557 |
s->io_buffer[2] = 0xff; |
2558 |
s->io_buffer[3] = 0xff; |
2559 |
} |
2560 |
|
2561 |
static void ide_reset(IDEState *s) |
2562 |
{ |
2563 |
#ifdef DEBUG_IDE
|
2564 |
printf("ide: reset\n");
|
2565 |
#endif
|
2566 |
if (s->drive_kind == IDE_CFATA)
|
2567 |
s->mult_sectors = 0;
|
2568 |
else
|
2569 |
s->mult_sectors = MAX_MULT_SECTORS; |
2570 |
/* ide regs */
|
2571 |
s->feature = 0;
|
2572 |
s->error = 0;
|
2573 |
s->nsector = 0;
|
2574 |
s->sector = 0;
|
2575 |
s->lcyl = 0;
|
2576 |
s->hcyl = 0;
|
2577 |
|
2578 |
/* lba48 */
|
2579 |
s->hob_feature = 0;
|
2580 |
s->hob_sector = 0;
|
2581 |
s->hob_nsector = 0;
|
2582 |
s->hob_lcyl = 0;
|
2583 |
s->hob_hcyl = 0;
|
2584 |
|
2585 |
s->select = 0xa0;
|
2586 |
s->status = READY_STAT | SEEK_STAT; |
2587 |
|
2588 |
s->lba48 = 0;
|
2589 |
|
2590 |
/* ATAPI specific */
|
2591 |
s->sense_key = 0;
|
2592 |
s->asc = 0;
|
2593 |
s->cdrom_changed = 0;
|
2594 |
s->packet_transfer_size = 0;
|
2595 |
s->elementary_transfer_size = 0;
|
2596 |
s->io_buffer_index = 0;
|
2597 |
s->cd_sector_size = 0;
|
2598 |
s->atapi_dma = 0;
|
2599 |
/* ATA DMA state */
|
2600 |
s->io_buffer_size = 0;
|
2601 |
s->req_nb_sectors = 0;
|
2602 |
|
2603 |
ide_set_signature(s); |
2604 |
/* init the transfer handler so that 0xffff is returned on data
|
2605 |
accesses */
|
2606 |
s->end_transfer_func = ide_dummy_transfer_stop; |
2607 |
ide_dummy_transfer_stop(s); |
2608 |
s->media_changed = 0;
|
2609 |
} |
2610 |
|
2611 |
void ide_bus_reset(IDEBus *bus)
|
2612 |
{ |
2613 |
bus->unit = 0;
|
2614 |
bus->cmd = 0;
|
2615 |
ide_reset(&bus->ifs[0]);
|
2616 |
ide_reset(&bus->ifs[1]);
|
2617 |
ide_clear_hob(bus); |
2618 |
} |
2619 |
|
2620 |
int ide_init_drive(IDEState *s, BlockDriverState *bs,
|
2621 |
const char *version, const char *serial) |
2622 |
{ |
2623 |
int cylinders, heads, secs;
|
2624 |
uint64_t nb_sectors; |
2625 |
|
2626 |
s->bs = bs; |
2627 |
bdrv_get_geometry(bs, &nb_sectors); |
2628 |
bdrv_guess_geometry(bs, &cylinders, &heads, &secs); |
2629 |
if (cylinders < 1 || cylinders > 16383) { |
2630 |
error_report("cyls must be between 1 and 16383");
|
2631 |
return -1; |
2632 |
} |
2633 |
if (heads < 1 || heads > 16) { |
2634 |
error_report("heads must be between 1 and 16");
|
2635 |
return -1; |
2636 |
} |
2637 |
if (secs < 1 || secs > 63) { |
2638 |
error_report("secs must be between 1 and 63");
|
2639 |
return -1; |
2640 |
} |
2641 |
s->cylinders = cylinders; |
2642 |
s->heads = heads; |
2643 |
s->sectors = secs; |
2644 |
s->nb_sectors = nb_sectors; |
2645 |
/* The SMART values should be preserved across power cycles
|
2646 |
but they aren't. */
|
2647 |
s->smart_enabled = 1;
|
2648 |
s->smart_autosave = 1;
|
2649 |
s->smart_errors = 0;
|
2650 |
s->smart_selftest_count = 0;
|
2651 |
if (bdrv_get_type_hint(bs) == BDRV_TYPE_CDROM) {
|
2652 |
s->drive_kind = IDE_CD; |
2653 |
bdrv_set_change_cb(bs, cdrom_change_cb, s); |
2654 |
bs->buffer_alignment = 2048;
|
2655 |
} else {
|
2656 |
if (!bdrv_is_inserted(s->bs)) {
|
2657 |
error_report("Device needs media, but drive is empty");
|
2658 |
return -1; |
2659 |
} |
2660 |
if (bdrv_is_read_only(bs)) {
|
2661 |
error_report("Can't use a read-only drive");
|
2662 |
return -1; |
2663 |
} |
2664 |
} |
2665 |
if (serial) {
|
2666 |
strncpy(s->drive_serial_str, serial, sizeof(s->drive_serial_str));
|
2667 |
} else {
|
2668 |
snprintf(s->drive_serial_str, sizeof(s->drive_serial_str),
|
2669 |
"QM%05d", s->drive_serial);
|
2670 |
} |
2671 |
if (version) {
|
2672 |
pstrcpy(s->version, sizeof(s->version), version);
|
2673 |
} else {
|
2674 |
pstrcpy(s->version, sizeof(s->version), QEMU_VERSION);
|
2675 |
} |
2676 |
ide_reset(s); |
2677 |
bdrv_set_removable(bs, s->drive_kind == IDE_CD); |
2678 |
return 0; |
2679 |
} |
2680 |
|
2681 |
static void ide_init1(IDEBus *bus, int unit) |
2682 |
{ |
2683 |
static int drive_serial = 1; |
2684 |
IDEState *s = &bus->ifs[unit]; |
2685 |
|
2686 |
s->bus = bus; |
2687 |
s->unit = unit; |
2688 |
s->drive_serial = drive_serial++; |
2689 |
/* we need at least 2k alignment for accessing CDROMs using O_DIRECT */
|
2690 |
s->io_buffer = qemu_memalign(2048, IDE_DMA_BUF_SECTORS*512 + 4); |
2691 |
s->io_buffer_total_len = IDE_DMA_BUF_SECTORS*512 + 4; |
2692 |
s->smart_selftest_data = qemu_blockalign(s->bs, 512);
|
2693 |
s->sector_write_timer = qemu_new_timer(vm_clock, |
2694 |
ide_sector_write_timer_cb, s); |
2695 |
} |
2696 |
|
2697 |
void ide_init2(IDEBus *bus, qemu_irq irq)
|
2698 |
{ |
2699 |
int i;
|
2700 |
|
2701 |
for(i = 0; i < 2; i++) { |
2702 |
ide_init1(bus, i); |
2703 |
ide_reset(&bus->ifs[i]); |
2704 |
} |
2705 |
bus->irq = irq; |
2706 |
} |
2707 |
|
2708 |
/* TODO convert users to qdev and remove */
|
2709 |
void ide_init2_with_non_qdev_drives(IDEBus *bus, DriveInfo *hd0,
|
2710 |
DriveInfo *hd1, qemu_irq irq) |
2711 |
{ |
2712 |
int i;
|
2713 |
DriveInfo *dinfo; |
2714 |
|
2715 |
for(i = 0; i < 2; i++) { |
2716 |
dinfo = i == 0 ? hd0 : hd1;
|
2717 |
ide_init1(bus, i); |
2718 |
if (dinfo) {
|
2719 |
if (ide_init_drive(&bus->ifs[i], dinfo->bdrv, NULL, |
2720 |
*dinfo->serial ? dinfo->serial : NULL) < 0) { |
2721 |
error_report("Can't set up IDE drive %s", dinfo->id);
|
2722 |
exit(1);
|
2723 |
} |
2724 |
} else {
|
2725 |
ide_reset(&bus->ifs[i]); |
2726 |
} |
2727 |
} |
2728 |
bus->irq = irq; |
2729 |
} |
2730 |
|
2731 |
void ide_init_ioport(IDEBus *bus, int iobase, int iobase2) |
2732 |
{ |
2733 |
register_ioport_write(iobase, 8, 1, ide_ioport_write, bus); |
2734 |
register_ioport_read(iobase, 8, 1, ide_ioport_read, bus); |
2735 |
if (iobase2) {
|
2736 |
register_ioport_read(iobase2, 1, 1, ide_status_read, bus); |
2737 |
register_ioport_write(iobase2, 1, 1, ide_cmd_write, bus); |
2738 |
} |
2739 |
|
2740 |
/* data ports */
|
2741 |
register_ioport_write(iobase, 2, 2, ide_data_writew, bus); |
2742 |
register_ioport_read(iobase, 2, 2, ide_data_readw, bus); |
2743 |
register_ioport_write(iobase, 4, 4, ide_data_writel, bus); |
2744 |
register_ioport_read(iobase, 4, 4, ide_data_readl, bus); |
2745 |
} |
2746 |
|
2747 |
static bool is_identify_set(void *opaque, int version_id) |
2748 |
{ |
2749 |
IDEState *s = opaque; |
2750 |
|
2751 |
return s->identify_set != 0; |
2752 |
} |
2753 |
|
2754 |
static EndTransferFunc* transfer_end_table[] = {
|
2755 |
ide_sector_read, |
2756 |
ide_sector_write, |
2757 |
ide_transfer_stop, |
2758 |
ide_atapi_cmd_reply_end, |
2759 |
ide_atapi_cmd, |
2760 |
ide_dummy_transfer_stop, |
2761 |
}; |
2762 |
|
2763 |
static int transfer_end_table_idx(EndTransferFunc *fn) |
2764 |
{ |
2765 |
int i;
|
2766 |
|
2767 |
for (i = 0; i < ARRAY_SIZE(transfer_end_table); i++) |
2768 |
if (transfer_end_table[i] == fn)
|
2769 |
return i;
|
2770 |
|
2771 |
return -1; |
2772 |
} |
2773 |
|
2774 |
static int ide_drive_post_load(void *opaque, int version_id) |
2775 |
{ |
2776 |
IDEState *s = opaque; |
2777 |
|
2778 |
if (version_id < 3) { |
2779 |
if (s->sense_key == SENSE_UNIT_ATTENTION &&
|
2780 |
s->asc == ASC_MEDIUM_MAY_HAVE_CHANGED) { |
2781 |
s->cdrom_changed = 1;
|
2782 |
} |
2783 |
} |
2784 |
return 0; |
2785 |
} |
2786 |
|
2787 |
static int ide_drive_pio_post_load(void *opaque, int version_id) |
2788 |
{ |
2789 |
IDEState *s = opaque; |
2790 |
|
2791 |
if (s->end_transfer_fn_idx > ARRAY_SIZE(transfer_end_table)) {
|
2792 |
return -EINVAL;
|
2793 |
} |
2794 |
s->end_transfer_func = transfer_end_table[s->end_transfer_fn_idx]; |
2795 |
s->data_ptr = s->io_buffer + s->cur_io_buffer_offset; |
2796 |
s->data_end = s->data_ptr + s->cur_io_buffer_len; |
2797 |
|
2798 |
return 0; |
2799 |
} |
2800 |
|
2801 |
static void ide_drive_pio_pre_save(void *opaque) |
2802 |
{ |
2803 |
IDEState *s = opaque; |
2804 |
int idx;
|
2805 |
|
2806 |
s->cur_io_buffer_offset = s->data_ptr - s->io_buffer; |
2807 |
s->cur_io_buffer_len = s->data_end - s->data_ptr; |
2808 |
|
2809 |
idx = transfer_end_table_idx(s->end_transfer_func); |
2810 |
if (idx == -1) { |
2811 |
fprintf(stderr, "%s: invalid end_transfer_func for DRQ_STAT\n",
|
2812 |
__func__); |
2813 |
s->end_transfer_fn_idx = 2;
|
2814 |
} else {
|
2815 |
s->end_transfer_fn_idx = idx; |
2816 |
} |
2817 |
} |
2818 |
|
2819 |
static bool ide_drive_pio_state_needed(void *opaque) |
2820 |
{ |
2821 |
IDEState *s = opaque; |
2822 |
|
2823 |
return (s->status & DRQ_STAT) != 0; |
2824 |
} |
2825 |
|
2826 |
const VMStateDescription vmstate_ide_drive_pio_state = {
|
2827 |
.name = "ide_drive/pio_state",
|
2828 |
.version_id = 1,
|
2829 |
.minimum_version_id = 1,
|
2830 |
.minimum_version_id_old = 1,
|
2831 |
.pre_save = ide_drive_pio_pre_save, |
2832 |
.post_load = ide_drive_pio_post_load, |
2833 |
.fields = (VMStateField []) { |
2834 |
VMSTATE_INT32(req_nb_sectors, IDEState), |
2835 |
VMSTATE_VARRAY_INT32(io_buffer, IDEState, io_buffer_total_len, 1,
|
2836 |
vmstate_info_uint8, uint8_t), |
2837 |
VMSTATE_INT32(cur_io_buffer_offset, IDEState), |
2838 |
VMSTATE_INT32(cur_io_buffer_len, IDEState), |
2839 |
VMSTATE_UINT8(end_transfer_fn_idx, IDEState), |
2840 |
VMSTATE_INT32(elementary_transfer_size, IDEState), |
2841 |
VMSTATE_INT32(packet_transfer_size, IDEState), |
2842 |
VMSTATE_END_OF_LIST() |
2843 |
} |
2844 |
}; |
2845 |
|
2846 |
const VMStateDescription vmstate_ide_drive = {
|
2847 |
.name = "ide_drive",
|
2848 |
.version_id = 3,
|
2849 |
.minimum_version_id = 0,
|
2850 |
.minimum_version_id_old = 0,
|
2851 |
.post_load = ide_drive_post_load, |
2852 |
.fields = (VMStateField []) { |
2853 |
VMSTATE_INT32(mult_sectors, IDEState), |
2854 |
VMSTATE_INT32(identify_set, IDEState), |
2855 |
VMSTATE_BUFFER_TEST(identify_data, IDEState, is_identify_set), |
2856 |
VMSTATE_UINT8(feature, IDEState), |
2857 |
VMSTATE_UINT8(error, IDEState), |
2858 |
VMSTATE_UINT32(nsector, IDEState), |
2859 |
VMSTATE_UINT8(sector, IDEState), |
2860 |
VMSTATE_UINT8(lcyl, IDEState), |
2861 |
VMSTATE_UINT8(hcyl, IDEState), |
2862 |
VMSTATE_UINT8(hob_feature, IDEState), |
2863 |
VMSTATE_UINT8(hob_sector, IDEState), |
2864 |
VMSTATE_UINT8(hob_nsector, IDEState), |
2865 |
VMSTATE_UINT8(hob_lcyl, IDEState), |
2866 |
VMSTATE_UINT8(hob_hcyl, IDEState), |
2867 |
VMSTATE_UINT8(select, IDEState), |
2868 |
VMSTATE_UINT8(status, IDEState), |
2869 |
VMSTATE_UINT8(lba48, IDEState), |
2870 |
VMSTATE_UINT8(sense_key, IDEState), |
2871 |
VMSTATE_UINT8(asc, IDEState), |
2872 |
VMSTATE_UINT8_V(cdrom_changed, IDEState, 3),
|
2873 |
VMSTATE_END_OF_LIST() |
2874 |
}, |
2875 |
.subsections = (VMStateSubsection []) { |
2876 |
{ |
2877 |
.vmsd = &vmstate_ide_drive_pio_state, |
2878 |
.needed = ide_drive_pio_state_needed, |
2879 |
}, { |
2880 |
/* empty */
|
2881 |
} |
2882 |
} |
2883 |
}; |
2884 |
|
2885 |
const VMStateDescription vmstate_ide_bus = {
|
2886 |
.name = "ide_bus",
|
2887 |
.version_id = 1,
|
2888 |
.minimum_version_id = 1,
|
2889 |
.minimum_version_id_old = 1,
|
2890 |
.fields = (VMStateField []) { |
2891 |
VMSTATE_UINT8(cmd, IDEBus), |
2892 |
VMSTATE_UINT8(unit, IDEBus), |
2893 |
VMSTATE_END_OF_LIST() |
2894 |
} |
2895 |
}; |
2896 |
|
2897 |
/***********************************************************/
|
2898 |
/* PCI IDE definitions */
|
2899 |
|
2900 |
static void ide_dma_start(IDEState *s, BlockDriverCompletionFunc *dma_cb) |
2901 |
{ |
2902 |
BMDMAState *bm = s->bus->bmdma; |
2903 |
if(!bm)
|
2904 |
return;
|
2905 |
bm->unit = s->unit; |
2906 |
bm->dma_cb = dma_cb; |
2907 |
bm->cur_prd_last = 0;
|
2908 |
bm->cur_prd_addr = 0;
|
2909 |
bm->cur_prd_len = 0;
|
2910 |
bm->sector_num = ide_get_sector(s); |
2911 |
bm->nsector = s->nsector; |
2912 |
if (bm->status & BM_STATUS_DMAING) {
|
2913 |
bm->dma_cb(bm, 0);
|
2914 |
} |
2915 |
} |
2916 |
|
2917 |
static void ide_dma_restart(IDEState *s, int is_read) |
2918 |
{ |
2919 |
BMDMAState *bm = s->bus->bmdma; |
2920 |
ide_set_sector(s, bm->sector_num); |
2921 |
s->io_buffer_index = 0;
|
2922 |
s->io_buffer_size = 0;
|
2923 |
s->nsector = bm->nsector; |
2924 |
bm->cur_addr = bm->addr; |
2925 |
|
2926 |
if (is_read) {
|
2927 |
bm->dma_cb = ide_read_dma_cb; |
2928 |
} else {
|
2929 |
bm->dma_cb = ide_write_dma_cb; |
2930 |
} |
2931 |
|
2932 |
ide_dma_start(s, bm->dma_cb); |
2933 |
} |
2934 |
|
2935 |
void ide_dma_cancel(BMDMAState *bm)
|
2936 |
{ |
2937 |
if (bm->status & BM_STATUS_DMAING) {
|
2938 |
if (bm->aiocb) {
|
2939 |
#ifdef DEBUG_AIO
|
2940 |
printf("aio_cancel\n");
|
2941 |
#endif
|
2942 |
bdrv_aio_cancel(bm->aiocb); |
2943 |
bm->aiocb = NULL;
|
2944 |
} |
2945 |
bm->status &= ~BM_STATUS_DMAING; |
2946 |
/* cancel DMA request */
|
2947 |
bm->unit = -1;
|
2948 |
bm->dma_cb = NULL;
|
2949 |
} |
2950 |
} |
2951 |
|
2952 |
void ide_dma_reset(BMDMAState *bm)
|
2953 |
{ |
2954 |
#ifdef DEBUG_IDE
|
2955 |
printf("ide: dma_reset\n");
|
2956 |
#endif
|
2957 |
ide_dma_cancel(bm); |
2958 |
bm->cmd = 0;
|
2959 |
bm->status = 0;
|
2960 |
bm->addr = 0;
|
2961 |
bm->cur_addr = 0;
|
2962 |
bm->cur_prd_last = 0;
|
2963 |
bm->cur_prd_addr = 0;
|
2964 |
bm->cur_prd_len = 0;
|
2965 |
bm->sector_num = 0;
|
2966 |
bm->nsector = 0;
|
2967 |
} |