root / hw / ide / core.c @ 5e52e5f9
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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 "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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|
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/* These values were based on a Seagate ST3500418AS but have been modified
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to make more sense in QEMU */
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static const int smart_attributes[][12] = { |
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/* id, flags, hflags, val, wrst, raw (6 bytes), threshold */
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/* raw read error rate*/
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{ 0x01, 0x03, 0x00, 0x64, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06},
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/* spin up */
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{ 0x03, 0x03, 0x00, 0x64, 0x64, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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/* start stop count */
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{ 0x04, 0x02, 0x00, 0x64, 0x64, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x14},
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/* remapped sectors */
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{ 0x05, 0x03, 0x00, 0x64, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x24},
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/* power on hours */
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{ 0x09, 0x03, 0x00, 0x64, 0x64, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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/* power cycle count */
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{ 0x0c, 0x03, 0x00, 0x64, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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/* airflow-temperature-celsius */
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{ 190, 0x03, 0x00, 0x45, 0x45, 0x1f, 0x00, 0x1f, 0x1f, 0x00, 0x00, 0x32},
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/* end of list */
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
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}; |
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static int ide_handle_rw_error(IDEState *s, int error, int op); |
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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 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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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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if (s->ncq_queues) {
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put_le16(p + 75, s->ncq_queues - 1); |
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/* NCQ supported */
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put_le16(p + 76, (1 << 8)); |
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} |
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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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if (s->ncq_queues) {
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put_le16(p + 75, s->ncq_queues - 1); |
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/* NCQ supported */
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put_le16(p + 76, (1 << 8)); |
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} |
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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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|
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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 */ |
| 247 |
put_le16(p + 51, 0x0002); /* PIO cycle timing mode */ |
| 248 |
put_le16(p + 52, 0x0001); /* DMA cycle timing mode */ |
| 249 |
put_le16(p + 53, 0x0003); /* Translation params valid */ |
| 250 |
put_le16(p + 54, s->cylinders); /* Current cylinders */ |
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put_le16(p + 55, s->heads); /* Current heads */ |
| 252 |
put_le16(p + 56, s->sectors); /* Current sectors */ |
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put_le16(p + 57, cur_sec); /* Current capacity */ |
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put_le16(p + 58, cur_sec >> 16); /* Current capacity */ |
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if (s->mult_sectors) /* Multiple sector setting */ |
| 256 |
put_le16(p + 59, 0x100 | s->mult_sectors); |
| 257 |
put_le16(p + 60, s->nb_sectors); /* Total LBA sectors */ |
| 258 |
put_le16(p + 61, s->nb_sectors >> 16); /* Total LBA sectors */ |
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put_le16(p + 63, 0x0203); /* Multiword DMA capability */ |
| 260 |
put_le16(p + 64, 0x0001); /* Flow Control PIO support */ |
| 261 |
put_le16(p + 65, 0x0096); /* Min. Multiword DMA cycle */ |
| 262 |
put_le16(p + 66, 0x0096); /* Rec. Multiword DMA cycle */ |
| 263 |
put_le16(p + 68, 0x00b4); /* Min. PIO cycle time */ |
| 264 |
put_le16(p + 82, 0x400c); /* Command Set supported */ |
| 265 |
put_le16(p + 83, 0x7068); /* Command Set supported */ |
| 266 |
put_le16(p + 84, 0x4000); /* Features supported */ |
| 267 |
put_le16(p + 85, 0x000c); /* Command Set enabled */ |
| 268 |
put_le16(p + 86, 0x7044); /* Command Set enabled */ |
| 269 |
put_le16(p + 87, 0x4000); /* Features enabled */ |
| 270 |
put_le16(p + 91, 0x4060); /* Current APM level */ |
| 271 |
put_le16(p + 129, 0x0002); /* Current features option */ |
| 272 |
put_le16(p + 130, 0x0005); /* Reassigned sectors */ |
| 273 |
put_le16(p + 131, 0x0001); /* Initial power mode */ |
| 274 |
put_le16(p + 132, 0x0000); /* User signature */ |
| 275 |
put_le16(p + 160, 0x8100); /* Power requirement */ |
| 276 |
put_le16(p + 161, 0x8001); /* CF command set */ |
| 277 |
|
| 278 |
s->identify_set = 1;
|
| 279 |
|
| 280 |
fill_buffer:
|
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memcpy(s->io_buffer, p, sizeof(s->identify_data));
|
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} |
| 283 |
|
| 284 |
static void ide_set_signature(IDEState *s) |
| 285 |
{
|
| 286 |
s->select &= 0xf0; /* clear head */ |
| 287 |
/* put signature */
|
| 288 |
s->nsector = 1;
|
| 289 |
s->sector = 1;
|
| 290 |
if (s->drive_kind == IDE_CD) {
|
| 291 |
s->lcyl = 0x14;
|
| 292 |
s->hcyl = 0xeb;
|
| 293 |
} else if (s->bs) { |
| 294 |
s->lcyl = 0;
|
| 295 |
s->hcyl = 0;
|
| 296 |
} else {
|
| 297 |
s->lcyl = 0xff;
|
| 298 |
s->hcyl = 0xff;
|
| 299 |
} |
| 300 |
} |
| 301 |
|
| 302 |
static inline void ide_abort_command(IDEState *s) |
| 303 |
{
|
| 304 |
s->status = READY_STAT | ERR_STAT; |
| 305 |
s->error = ABRT_ERR; |
| 306 |
} |
| 307 |
|
| 308 |
/* prepare data transfer and tell what to do after */
|
| 309 |
void ide_transfer_start(IDEState *s, uint8_t *buf, int size, |
| 310 |
EndTransferFunc *end_transfer_func) |
| 311 |
{
|
| 312 |
s->end_transfer_func = end_transfer_func; |
| 313 |
s->data_ptr = buf; |
| 314 |
s->data_end = buf + size; |
| 315 |
if (!(s->status & ERR_STAT)) {
|
| 316 |
s->status |= DRQ_STAT; |
| 317 |
} |
| 318 |
s->bus->dma->ops->start_transfer(s->bus->dma); |
| 319 |
} |
| 320 |
|
| 321 |
void ide_transfer_stop(IDEState *s)
|
| 322 |
{
|
| 323 |
s->end_transfer_func = ide_transfer_stop; |
| 324 |
s->data_ptr = s->io_buffer; |
| 325 |
s->data_end = s->io_buffer; |
| 326 |
s->status &= ~DRQ_STAT; |
| 327 |
} |
| 328 |
|
| 329 |
int64_t ide_get_sector(IDEState *s) |
| 330 |
{
|
| 331 |
int64_t sector_num; |
| 332 |
if (s->select & 0x40) { |
| 333 |
/* lba */
|
| 334 |
if (!s->lba48) {
|
| 335 |
sector_num = ((s->select & 0x0f) << 24) | (s->hcyl << 16) | |
| 336 |
(s->lcyl << 8) | s->sector;
|
| 337 |
} else {
|
| 338 |
sector_num = ((int64_t)s->hob_hcyl << 40) |
|
| 339 |
((int64_t) s->hob_lcyl << 32) |
|
| 340 |
((int64_t) s->hob_sector << 24) |
|
| 341 |
((int64_t) s->hcyl << 16) |
|
| 342 |
((int64_t) s->lcyl << 8) | s->sector;
|
| 343 |
} |
| 344 |
} else {
|
| 345 |
sector_num = ((s->hcyl << 8) | s->lcyl) * s->heads * s->sectors +
|
| 346 |
(s->select & 0x0f) * s->sectors + (s->sector - 1); |
| 347 |
} |
| 348 |
return sector_num;
|
| 349 |
} |
| 350 |
|
| 351 |
void ide_set_sector(IDEState *s, int64_t sector_num)
|
| 352 |
{
|
| 353 |
unsigned int cyl, r; |
| 354 |
if (s->select & 0x40) { |
| 355 |
if (!s->lba48) {
|
| 356 |
s->select = (s->select & 0xf0) | (sector_num >> 24); |
| 357 |
s->hcyl = (sector_num >> 16);
|
| 358 |
s->lcyl = (sector_num >> 8);
|
| 359 |
s->sector = (sector_num); |
| 360 |
} else {
|
| 361 |
s->sector = sector_num; |
| 362 |
s->lcyl = sector_num >> 8;
|
| 363 |
s->hcyl = sector_num >> 16;
|
| 364 |
s->hob_sector = sector_num >> 24;
|
| 365 |
s->hob_lcyl = sector_num >> 32;
|
| 366 |
s->hob_hcyl = sector_num >> 40;
|
| 367 |
} |
| 368 |
} else {
|
| 369 |
cyl = sector_num / (s->heads * s->sectors); |
| 370 |
r = sector_num % (s->heads * s->sectors); |
| 371 |
s->hcyl = cyl >> 8;
|
| 372 |
s->lcyl = cyl; |
| 373 |
s->select = (s->select & 0xf0) | ((r / s->sectors) & 0x0f); |
| 374 |
s->sector = (r % s->sectors) + 1;
|
| 375 |
} |
| 376 |
} |
| 377 |
|
| 378 |
static void ide_rw_error(IDEState *s) { |
| 379 |
ide_abort_command(s); |
| 380 |
ide_set_irq(s->bus); |
| 381 |
} |
| 382 |
|
| 383 |
void ide_sector_read(IDEState *s)
|
| 384 |
{
|
| 385 |
int64_t sector_num; |
| 386 |
int ret, n;
|
| 387 |
|
| 388 |
s->status = READY_STAT | SEEK_STAT; |
| 389 |
s->error = 0; /* not needed by IDE spec, but needed by Windows */ |
| 390 |
sector_num = ide_get_sector(s); |
| 391 |
n = s->nsector; |
| 392 |
if (n == 0) { |
| 393 |
/* no more sector to read from disk */
|
| 394 |
ide_transfer_stop(s); |
| 395 |
} else {
|
| 396 |
#if defined(DEBUG_IDE)
|
| 397 |
printf("read sector=%" PRId64 "\n", sector_num); |
| 398 |
#endif
|
| 399 |
if (n > s->req_nb_sectors)
|
| 400 |
n = s->req_nb_sectors; |
| 401 |
ret = bdrv_read(s->bs, sector_num, s->io_buffer, n); |
| 402 |
if (ret != 0) { |
| 403 |
if (ide_handle_rw_error(s, -ret,
|
| 404 |
BM_STATUS_PIO_RETRY | BM_STATUS_RETRY_READ)) |
| 405 |
{
|
| 406 |
return;
|
| 407 |
} |
| 408 |
} |
| 409 |
ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_read);
|
| 410 |
ide_set_irq(s->bus); |
| 411 |
ide_set_sector(s, sector_num + n); |
| 412 |
s->nsector -= n; |
| 413 |
} |
| 414 |
} |
| 415 |
|
| 416 |
static void dma_buf_commit(IDEState *s, int is_write) |
| 417 |
{
|
| 418 |
qemu_sglist_destroy(&s->sg); |
| 419 |
} |
| 420 |
|
| 421 |
void ide_set_inactive(IDEState *s)
|
| 422 |
{
|
| 423 |
s->bus->dma->aiocb = NULL;
|
| 424 |
s->bus->dma->ops->set_inactive(s->bus->dma); |
| 425 |
} |
| 426 |
|
| 427 |
void ide_dma_error(IDEState *s)
|
| 428 |
{
|
| 429 |
ide_transfer_stop(s); |
| 430 |
s->error = ABRT_ERR; |
| 431 |
s->status = READY_STAT | ERR_STAT; |
| 432 |
ide_set_inactive(s); |
| 433 |
s->bus->dma->ops->add_status(s->bus->dma, BM_STATUS_INT); |
| 434 |
ide_set_irq(s->bus); |
| 435 |
} |
| 436 |
|
| 437 |
static int ide_handle_rw_error(IDEState *s, int error, int op) |
| 438 |
{
|
| 439 |
int is_read = (op & BM_STATUS_RETRY_READ);
|
| 440 |
BlockErrorAction action = bdrv_get_on_error(s->bs, is_read); |
| 441 |
|
| 442 |
if (action == BLOCK_ERR_IGNORE) {
|
| 443 |
bdrv_mon_event(s->bs, BDRV_ACTION_IGNORE, is_read); |
| 444 |
return 0; |
| 445 |
} |
| 446 |
|
| 447 |
if ((error == ENOSPC && action == BLOCK_ERR_STOP_ENOSPC)
|
| 448 |
|| action == BLOCK_ERR_STOP_ANY) {
|
| 449 |
s->bus->dma->ops->set_unit(s->bus->dma, s->unit); |
| 450 |
s->bus->dma->ops->add_status(s->bus->dma, op); |
| 451 |
bdrv_mon_event(s->bs, BDRV_ACTION_STOP, is_read); |
| 452 |
vm_stop(VMSTOP_DISKFULL); |
| 453 |
} else {
|
| 454 |
if (op & BM_STATUS_DMA_RETRY) {
|
| 455 |
dma_buf_commit(s, 0);
|
| 456 |
ide_dma_error(s); |
| 457 |
} else {
|
| 458 |
ide_rw_error(s); |
| 459 |
} |
| 460 |
bdrv_mon_event(s->bs, BDRV_ACTION_REPORT, is_read); |
| 461 |
} |
| 462 |
|
| 463 |
return 1; |
| 464 |
} |
| 465 |
|
| 466 |
void ide_dma_cb(void *opaque, int ret) |
| 467 |
{
|
| 468 |
IDEState *s = opaque; |
| 469 |
int n;
|
| 470 |
int64_t sector_num; |
| 471 |
|
| 472 |
handle_rw_error:
|
| 473 |
if (ret < 0) { |
| 474 |
int op = BM_STATUS_DMA_RETRY;
|
| 475 |
|
| 476 |
if (s->is_read)
|
| 477 |
op |= BM_STATUS_RETRY_READ; |
| 478 |
if (ide_handle_rw_error(s, -ret, op)) {
|
| 479 |
return;
|
| 480 |
} |
| 481 |
} |
| 482 |
|
| 483 |
n = s->io_buffer_size >> 9;
|
| 484 |
sector_num = ide_get_sector(s); |
| 485 |
if (n > 0) { |
| 486 |
dma_buf_commit(s, s->is_read); |
| 487 |
sector_num += n; |
| 488 |
ide_set_sector(s, sector_num); |
| 489 |
s->nsector -= n; |
| 490 |
} |
| 491 |
|
| 492 |
/* end of transfer ? */
|
| 493 |
if (s->nsector == 0) { |
| 494 |
s->status = READY_STAT | SEEK_STAT; |
| 495 |
ide_set_irq(s->bus); |
| 496 |
goto eot;
|
| 497 |
} |
| 498 |
|
| 499 |
/* launch next transfer */
|
| 500 |
n = s->nsector; |
| 501 |
s->io_buffer_index = 0;
|
| 502 |
s->io_buffer_size = n * 512;
|
| 503 |
if (s->bus->dma->ops->prepare_buf(s->bus->dma, s->is_read) == 0) |
| 504 |
goto eot;
|
| 505 |
|
| 506 |
#ifdef DEBUG_AIO
|
| 507 |
printf("ide_dma_cb: sector_num=%" PRId64 " n=%d, is_read=%d\n", |
| 508 |
sector_num, n, s->is_read); |
| 509 |
#endif
|
| 510 |
|
| 511 |
if (s->is_read) {
|
| 512 |
s->bus->dma->aiocb = dma_bdrv_read(s->bs, &s->sg, sector_num, |
| 513 |
ide_dma_cb, s); |
| 514 |
} else {
|
| 515 |
s->bus->dma->aiocb = dma_bdrv_write(s->bs, &s->sg, sector_num, |
| 516 |
ide_dma_cb, s); |
| 517 |
} |
| 518 |
|
| 519 |
if (!s->bus->dma->aiocb) {
|
| 520 |
ret = -1;
|
| 521 |
goto handle_rw_error;
|
| 522 |
} |
| 523 |
return;
|
| 524 |
|
| 525 |
eot:
|
| 526 |
s->bus->dma->ops->add_status(s->bus->dma, BM_STATUS_INT); |
| 527 |
ide_set_inactive(s); |
| 528 |
} |
| 529 |
|
| 530 |
static void ide_sector_start_dma(IDEState *s, int is_read) |
| 531 |
{
|
| 532 |
s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; |
| 533 |
s->io_buffer_index = 0;
|
| 534 |
s->io_buffer_size = 0;
|
| 535 |
s->is_read = is_read; |
| 536 |
s->bus->dma->ops->start_dma(s->bus->dma, s, ide_dma_cb); |
| 537 |
} |
| 538 |
|
| 539 |
static void ide_sector_write_timer_cb(void *opaque) |
| 540 |
{
|
| 541 |
IDEState *s = opaque; |
| 542 |
ide_set_irq(s->bus); |
| 543 |
} |
| 544 |
|
| 545 |
void ide_sector_write(IDEState *s)
|
| 546 |
{
|
| 547 |
int64_t sector_num; |
| 548 |
int ret, n, n1;
|
| 549 |
|
| 550 |
s->status = READY_STAT | SEEK_STAT; |
| 551 |
sector_num = ide_get_sector(s); |
| 552 |
#if defined(DEBUG_IDE)
|
| 553 |
printf("write sector=%" PRId64 "\n", sector_num); |
| 554 |
#endif
|
| 555 |
n = s->nsector; |
| 556 |
if (n > s->req_nb_sectors)
|
| 557 |
n = s->req_nb_sectors; |
| 558 |
ret = bdrv_write(s->bs, sector_num, s->io_buffer, n); |
| 559 |
|
| 560 |
if (ret != 0) { |
| 561 |
if (ide_handle_rw_error(s, -ret, BM_STATUS_PIO_RETRY))
|
| 562 |
return;
|
| 563 |
} |
| 564 |
|
| 565 |
s->nsector -= n; |
| 566 |
if (s->nsector == 0) { |
| 567 |
/* no more sectors to write */
|
| 568 |
ide_transfer_stop(s); |
| 569 |
} else {
|
| 570 |
n1 = s->nsector; |
| 571 |
if (n1 > s->req_nb_sectors)
|
| 572 |
n1 = s->req_nb_sectors; |
| 573 |
ide_transfer_start(s, s->io_buffer, 512 * n1, ide_sector_write);
|
| 574 |
} |
| 575 |
ide_set_sector(s, sector_num + n); |
| 576 |
|
| 577 |
if (win2k_install_hack && ((++s->irq_count % 16) == 0)) { |
| 578 |
/* It seems there is a bug in the Windows 2000 installer HDD
|
| 579 |
IDE driver which fills the disk with empty logs when the
|
| 580 |
IDE write IRQ comes too early. This hack tries to correct
|
| 581 |
that at the expense of slower write performances. Use this
|
| 582 |
option _only_ to install Windows 2000. You must disable it
|
| 583 |
for normal use. */
|
| 584 |
qemu_mod_timer(s->sector_write_timer, |
| 585 |
qemu_get_clock_ns(vm_clock) + (get_ticks_per_sec() / 1000));
|
| 586 |
} else {
|
| 587 |
ide_set_irq(s->bus); |
| 588 |
} |
| 589 |
} |
| 590 |
|
| 591 |
static void ide_flush_cb(void *opaque, int ret) |
| 592 |
{
|
| 593 |
IDEState *s = opaque; |
| 594 |
|
| 595 |
if (ret < 0) { |
| 596 |
/* XXX: What sector number to set here? */
|
| 597 |
if (ide_handle_rw_error(s, -ret, BM_STATUS_RETRY_FLUSH)) {
|
| 598 |
return;
|
| 599 |
} |
| 600 |
} |
| 601 |
|
| 602 |
s->status = READY_STAT | SEEK_STAT; |
| 603 |
ide_set_irq(s->bus); |
| 604 |
} |
| 605 |
|
| 606 |
void ide_flush_cache(IDEState *s)
|
| 607 |
{
|
| 608 |
BlockDriverAIOCB *acb; |
| 609 |
|
| 610 |
if (s->bs == NULL) { |
| 611 |
ide_flush_cb(s, 0);
|
| 612 |
return;
|
| 613 |
} |
| 614 |
|
| 615 |
acb = bdrv_aio_flush(s->bs, ide_flush_cb, s); |
| 616 |
if (acb == NULL) { |
| 617 |
ide_flush_cb(s, -EIO); |
| 618 |
} |
| 619 |
} |
| 620 |
|
| 621 |
static void ide_cfata_metadata_inquiry(IDEState *s) |
| 622 |
{
|
| 623 |
uint16_t *p; |
| 624 |
uint32_t spd; |
| 625 |
|
| 626 |
p = (uint16_t *) s->io_buffer; |
| 627 |
memset(p, 0, 0x200); |
| 628 |
spd = ((s->mdata_size - 1) >> 9) + 1; |
| 629 |
|
| 630 |
put_le16(p + 0, 0x0001); /* Data format revision */ |
| 631 |
put_le16(p + 1, 0x0000); /* Media property: silicon */ |
| 632 |
put_le16(p + 2, s->media_changed); /* Media status */ |
| 633 |
put_le16(p + 3, s->mdata_size & 0xffff); /* Capacity in bytes (low) */ |
| 634 |
put_le16(p + 4, s->mdata_size >> 16); /* Capacity in bytes (high) */ |
| 635 |
put_le16(p + 5, spd & 0xffff); /* Sectors per device (low) */ |
| 636 |
put_le16(p + 6, spd >> 16); /* Sectors per device (high) */ |
| 637 |
} |
| 638 |
|
| 639 |
static void ide_cfata_metadata_read(IDEState *s) |
| 640 |
{
|
| 641 |
uint16_t *p; |
| 642 |
|
| 643 |
if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) { |
| 644 |
s->status = ERR_STAT; |
| 645 |
s->error = ABRT_ERR; |
| 646 |
return;
|
| 647 |
} |
| 648 |
|
| 649 |
p = (uint16_t *) s->io_buffer; |
| 650 |
memset(p, 0, 0x200); |
| 651 |
|
| 652 |
put_le16(p + 0, s->media_changed); /* Media status */ |
| 653 |
memcpy(p + 1, s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9), |
| 654 |
MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9), |
| 655 |
s->nsector << 9), 0x200 - 2)); |
| 656 |
} |
| 657 |
|
| 658 |
static void ide_cfata_metadata_write(IDEState *s) |
| 659 |
{
|
| 660 |
if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) { |
| 661 |
s->status = ERR_STAT; |
| 662 |
s->error = ABRT_ERR; |
| 663 |
return;
|
| 664 |
} |
| 665 |
|
| 666 |
s->media_changed = 0;
|
| 667 |
|
| 668 |
memcpy(s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9), |
| 669 |
s->io_buffer + 2,
|
| 670 |
MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9), |
| 671 |
s->nsector << 9), 0x200 - 2)); |
| 672 |
} |
| 673 |
|
| 674 |
/* called when the inserted state of the media has changed */
|
| 675 |
static void cdrom_change_cb(void *opaque, int reason) |
| 676 |
{
|
| 677 |
IDEState *s = opaque; |
| 678 |
uint64_t nb_sectors; |
| 679 |
|
| 680 |
if (!(reason & CHANGE_MEDIA)) {
|
| 681 |
return;
|
| 682 |
} |
| 683 |
|
| 684 |
bdrv_get_geometry(s->bs, &nb_sectors); |
| 685 |
s->nb_sectors = nb_sectors; |
| 686 |
|
| 687 |
/*
|
| 688 |
* First indicate to the guest that a CD has been removed. That's
|
| 689 |
* done on the next command the guest sends us.
|
| 690 |
*
|
| 691 |
* Then we set SENSE_UNIT_ATTENTION, by which the guest will
|
| 692 |
* detect a new CD in the drive. See ide_atapi_cmd() for details.
|
| 693 |
*/
|
| 694 |
s->cdrom_changed = 1;
|
| 695 |
s->events.new_media = true;
|
| 696 |
ide_set_irq(s->bus); |
| 697 |
} |
| 698 |
|
| 699 |
static void ide_cmd_lba48_transform(IDEState *s, int lba48) |
| 700 |
{
|
| 701 |
s->lba48 = lba48; |
| 702 |
|
| 703 |
/* handle the 'magic' 0 nsector count conversion here. to avoid
|
| 704 |
* fiddling with the rest of the read logic, we just store the
|
| 705 |
* full sector count in ->nsector and ignore ->hob_nsector from now
|
| 706 |
*/
|
| 707 |
if (!s->lba48) {
|
| 708 |
if (!s->nsector)
|
| 709 |
s->nsector = 256;
|
| 710 |
} else {
|
| 711 |
if (!s->nsector && !s->hob_nsector)
|
| 712 |
s->nsector = 65536;
|
| 713 |
else {
|
| 714 |
int lo = s->nsector;
|
| 715 |
int hi = s->hob_nsector;
|
| 716 |
|
| 717 |
s->nsector = (hi << 8) | lo;
|
| 718 |
} |
| 719 |
} |
| 720 |
} |
| 721 |
|
| 722 |
static void ide_clear_hob(IDEBus *bus) |
| 723 |
{
|
| 724 |
/* any write clears HOB high bit of device control register */
|
| 725 |
bus->ifs[0].select &= ~(1 << 7); |
| 726 |
bus->ifs[1].select &= ~(1 << 7); |
| 727 |
} |
| 728 |
|
| 729 |
void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val) |
| 730 |
{
|
| 731 |
IDEBus *bus = opaque; |
| 732 |
|
| 733 |
#ifdef DEBUG_IDE
|
| 734 |
printf("IDE: write addr=0x%x val=0x%02x\n", addr, val);
|
| 735 |
#endif
|
| 736 |
|
| 737 |
addr &= 7;
|
| 738 |
|
| 739 |
/* ignore writes to command block while busy with previous command */
|
| 740 |
if (addr != 7 && (idebus_active_if(bus)->status & (BUSY_STAT|DRQ_STAT))) |
| 741 |
return;
|
| 742 |
|
| 743 |
switch(addr) {
|
| 744 |
case 0: |
| 745 |
break;
|
| 746 |
case 1: |
| 747 |
ide_clear_hob(bus); |
| 748 |
/* NOTE: data is written to the two drives */
|
| 749 |
bus->ifs[0].hob_feature = bus->ifs[0].feature; |
| 750 |
bus->ifs[1].hob_feature = bus->ifs[1].feature; |
| 751 |
bus->ifs[0].feature = val;
|
| 752 |
bus->ifs[1].feature = val;
|
| 753 |
break;
|
| 754 |
case 2: |
| 755 |
ide_clear_hob(bus); |
| 756 |
bus->ifs[0].hob_nsector = bus->ifs[0].nsector; |
| 757 |
bus->ifs[1].hob_nsector = bus->ifs[1].nsector; |
| 758 |
bus->ifs[0].nsector = val;
|
| 759 |
bus->ifs[1].nsector = val;
|
| 760 |
break;
|
| 761 |
case 3: |
| 762 |
ide_clear_hob(bus); |
| 763 |
bus->ifs[0].hob_sector = bus->ifs[0].sector; |
| 764 |
bus->ifs[1].hob_sector = bus->ifs[1].sector; |
| 765 |
bus->ifs[0].sector = val;
|
| 766 |
bus->ifs[1].sector = val;
|
| 767 |
break;
|
| 768 |
case 4: |
| 769 |
ide_clear_hob(bus); |
| 770 |
bus->ifs[0].hob_lcyl = bus->ifs[0].lcyl; |
| 771 |
bus->ifs[1].hob_lcyl = bus->ifs[1].lcyl; |
| 772 |
bus->ifs[0].lcyl = val;
|
| 773 |
bus->ifs[1].lcyl = val;
|
| 774 |
break;
|
| 775 |
case 5: |
| 776 |
ide_clear_hob(bus); |
| 777 |
bus->ifs[0].hob_hcyl = bus->ifs[0].hcyl; |
| 778 |
bus->ifs[1].hob_hcyl = bus->ifs[1].hcyl; |
| 779 |
bus->ifs[0].hcyl = val;
|
| 780 |
bus->ifs[1].hcyl = val;
|
| 781 |
break;
|
| 782 |
case 6: |
| 783 |
/* FIXME: HOB readback uses bit 7 */
|
| 784 |
bus->ifs[0].select = (val & ~0x10) | 0xa0; |
| 785 |
bus->ifs[1].select = (val | 0x10) | 0xa0; |
| 786 |
/* select drive */
|
| 787 |
bus->unit = (val >> 4) & 1; |
| 788 |
break;
|
| 789 |
default:
|
| 790 |
case 7: |
| 791 |
/* command */
|
| 792 |
ide_exec_cmd(bus, val); |
| 793 |
break;
|
| 794 |
} |
| 795 |
} |
| 796 |
|
| 797 |
|
| 798 |
void ide_exec_cmd(IDEBus *bus, uint32_t val)
|
| 799 |
{
|
| 800 |
IDEState *s; |
| 801 |
int n;
|
| 802 |
int lba48 = 0; |
| 803 |
|
| 804 |
#if defined(DEBUG_IDE)
|
| 805 |
printf("ide: CMD=%02x\n", val);
|
| 806 |
#endif
|
| 807 |
s = idebus_active_if(bus); |
| 808 |
/* ignore commands to non existant slave */
|
| 809 |
if (s != bus->ifs && !s->bs)
|
| 810 |
return;
|
| 811 |
|
| 812 |
/* Only DEVICE RESET is allowed while BSY or/and DRQ are set */
|
| 813 |
if ((s->status & (BUSY_STAT|DRQ_STAT)) && val != WIN_DEVICE_RESET)
|
| 814 |
return;
|
| 815 |
|
| 816 |
switch(val) {
|
| 817 |
case WIN_IDENTIFY:
|
| 818 |
if (s->bs && s->drive_kind != IDE_CD) {
|
| 819 |
if (s->drive_kind != IDE_CFATA)
|
| 820 |
ide_identify(s); |
| 821 |
else
|
| 822 |
ide_cfata_identify(s); |
| 823 |
s->status = READY_STAT | SEEK_STAT; |
| 824 |
ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop);
|
| 825 |
} else {
|
| 826 |
if (s->drive_kind == IDE_CD) {
|
| 827 |
ide_set_signature(s); |
| 828 |
} |
| 829 |
ide_abort_command(s); |
| 830 |
} |
| 831 |
ide_set_irq(s->bus); |
| 832 |
break;
|
| 833 |
case WIN_SPECIFY:
|
| 834 |
case WIN_RECAL:
|
| 835 |
s->error = 0;
|
| 836 |
s->status = READY_STAT | SEEK_STAT; |
| 837 |
ide_set_irq(s->bus); |
| 838 |
break;
|
| 839 |
case WIN_SETMULT:
|
| 840 |
if (s->drive_kind == IDE_CFATA && s->nsector == 0) { |
| 841 |
/* Disable Read and Write Multiple */
|
| 842 |
s->mult_sectors = 0;
|
| 843 |
s->status = READY_STAT | SEEK_STAT; |
| 844 |
} else if ((s->nsector & 0xff) != 0 && |
| 845 |
((s->nsector & 0xff) > MAX_MULT_SECTORS ||
|
| 846 |
(s->nsector & (s->nsector - 1)) != 0)) { |
| 847 |
ide_abort_command(s); |
| 848 |
} else {
|
| 849 |
s->mult_sectors = s->nsector & 0xff;
|
| 850 |
s->status = READY_STAT | SEEK_STAT; |
| 851 |
} |
| 852 |
ide_set_irq(s->bus); |
| 853 |
break;
|
| 854 |
case WIN_VERIFY_EXT:
|
| 855 |
lba48 = 1;
|
| 856 |
case WIN_VERIFY:
|
| 857 |
case WIN_VERIFY_ONCE:
|
| 858 |
/* do sector number check ? */
|
| 859 |
ide_cmd_lba48_transform(s, lba48); |
| 860 |
s->status = READY_STAT | SEEK_STAT; |
| 861 |
ide_set_irq(s->bus); |
| 862 |
break;
|
| 863 |
case WIN_READ_EXT:
|
| 864 |
lba48 = 1;
|
| 865 |
case WIN_READ:
|
| 866 |
case WIN_READ_ONCE:
|
| 867 |
if (!s->bs)
|
| 868 |
goto abort_cmd;
|
| 869 |
ide_cmd_lba48_transform(s, lba48); |
| 870 |
s->req_nb_sectors = 1;
|
| 871 |
ide_sector_read(s); |
| 872 |
break;
|
| 873 |
case WIN_WRITE_EXT:
|
| 874 |
lba48 = 1;
|
| 875 |
case WIN_WRITE:
|
| 876 |
case WIN_WRITE_ONCE:
|
| 877 |
case CFA_WRITE_SECT_WO_ERASE:
|
| 878 |
case WIN_WRITE_VERIFY:
|
| 879 |
ide_cmd_lba48_transform(s, lba48); |
| 880 |
s->error = 0;
|
| 881 |
s->status = SEEK_STAT | READY_STAT; |
| 882 |
s->req_nb_sectors = 1;
|
| 883 |
ide_transfer_start(s, s->io_buffer, 512, ide_sector_write);
|
| 884 |
s->media_changed = 1;
|
| 885 |
break;
|
| 886 |
case WIN_MULTREAD_EXT:
|
| 887 |
lba48 = 1;
|
| 888 |
case WIN_MULTREAD:
|
| 889 |
if (!s->mult_sectors)
|
| 890 |
goto abort_cmd;
|
| 891 |
ide_cmd_lba48_transform(s, lba48); |
| 892 |
s->req_nb_sectors = s->mult_sectors; |
| 893 |
ide_sector_read(s); |
| 894 |
break;
|
| 895 |
case WIN_MULTWRITE_EXT:
|
| 896 |
lba48 = 1;
|
| 897 |
case WIN_MULTWRITE:
|
| 898 |
case CFA_WRITE_MULTI_WO_ERASE:
|
| 899 |
if (!s->mult_sectors)
|
| 900 |
goto abort_cmd;
|
| 901 |
ide_cmd_lba48_transform(s, lba48); |
| 902 |
s->error = 0;
|
| 903 |
s->status = SEEK_STAT | READY_STAT; |
| 904 |
s->req_nb_sectors = s->mult_sectors; |
| 905 |
n = s->nsector; |
| 906 |
if (n > s->req_nb_sectors)
|
| 907 |
n = s->req_nb_sectors; |
| 908 |
ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_write);
|
| 909 |
s->media_changed = 1;
|
| 910 |
break;
|
| 911 |
case WIN_READDMA_EXT:
|
| 912 |
lba48 = 1;
|
| 913 |
case WIN_READDMA:
|
| 914 |
case WIN_READDMA_ONCE:
|
| 915 |
if (!s->bs)
|
| 916 |
goto abort_cmd;
|
| 917 |
ide_cmd_lba48_transform(s, lba48); |
| 918 |
ide_sector_start_dma(s, 1);
|
| 919 |
break;
|
| 920 |
case WIN_WRITEDMA_EXT:
|
| 921 |
lba48 = 1;
|
| 922 |
case WIN_WRITEDMA:
|
| 923 |
case WIN_WRITEDMA_ONCE:
|
| 924 |
if (!s->bs)
|
| 925 |
goto abort_cmd;
|
| 926 |
ide_cmd_lba48_transform(s, lba48); |
| 927 |
ide_sector_start_dma(s, 0);
|
| 928 |
s->media_changed = 1;
|
| 929 |
break;
|
| 930 |
case WIN_READ_NATIVE_MAX_EXT:
|
| 931 |
lba48 = 1;
|
| 932 |
case WIN_READ_NATIVE_MAX:
|
| 933 |
ide_cmd_lba48_transform(s, lba48); |
| 934 |
ide_set_sector(s, s->nb_sectors - 1);
|
| 935 |
s->status = READY_STAT | SEEK_STAT; |
| 936 |
ide_set_irq(s->bus); |
| 937 |
break;
|
| 938 |
case WIN_CHECKPOWERMODE1:
|
| 939 |
case WIN_CHECKPOWERMODE2:
|
| 940 |
s->error = 0;
|
| 941 |
s->nsector = 0xff; /* device active or idle */ |
| 942 |
s->status = READY_STAT | SEEK_STAT; |
| 943 |
ide_set_irq(s->bus); |
| 944 |
break;
|
| 945 |
case WIN_SETFEATURES:
|
| 946 |
if (!s->bs)
|
| 947 |
goto abort_cmd;
|
| 948 |
/* XXX: valid for CDROM ? */
|
| 949 |
switch(s->feature) {
|
| 950 |
case 0xcc: /* reverting to power-on defaults enable */ |
| 951 |
case 0x66: /* reverting to power-on defaults disable */ |
| 952 |
case 0x02: /* write cache enable */ |
| 953 |
case 0x82: /* write cache disable */ |
| 954 |
case 0xaa: /* read look-ahead enable */ |
| 955 |
case 0x55: /* read look-ahead disable */ |
| 956 |
case 0x05: /* set advanced power management mode */ |
| 957 |
case 0x85: /* disable advanced power management mode */ |
| 958 |
case 0x69: /* NOP */ |
| 959 |
case 0x67: /* NOP */ |
| 960 |
case 0x96: /* NOP */ |
| 961 |
case 0x9a: /* NOP */ |
| 962 |
case 0x42: /* enable Automatic Acoustic Mode */ |
| 963 |
case 0xc2: /* disable Automatic Acoustic Mode */ |
| 964 |
s->status = READY_STAT | SEEK_STAT; |
| 965 |
ide_set_irq(s->bus); |
| 966 |
break;
|
| 967 |
case 0x03: { /* set transfer mode */ |
| 968 |
uint8_t val = s->nsector & 0x07;
|
| 969 |
uint16_t *identify_data = (uint16_t *)s->identify_data; |
| 970 |
|
| 971 |
switch (s->nsector >> 3) { |
| 972 |
case 0x00: /* pio default */ |
| 973 |
case 0x01: /* pio mode */ |
| 974 |
put_le16(identify_data + 62,0x07); |
| 975 |
put_le16(identify_data + 63,0x07); |
| 976 |
put_le16(identify_data + 88,0x3f); |
| 977 |
break;
|
| 978 |
case 0x02: /* sigle word dma mode*/ |
| 979 |
put_le16(identify_data + 62,0x07 | (1 << (val + 8))); |
| 980 |
put_le16(identify_data + 63,0x07); |
| 981 |
put_le16(identify_data + 88,0x3f); |
| 982 |
break;
|
| 983 |
case 0x04: /* mdma mode */ |
| 984 |
put_le16(identify_data + 62,0x07); |
| 985 |
put_le16(identify_data + 63,0x07 | (1 << (val + 8))); |
| 986 |
put_le16(identify_data + 88,0x3f); |
| 987 |
break;
|
| 988 |
case 0x08: /* udma mode */ |
| 989 |
put_le16(identify_data + 62,0x07); |
| 990 |
put_le16(identify_data + 63,0x07); |
| 991 |
put_le16(identify_data + 88,0x3f | (1 << (val + 8))); |
| 992 |
break;
|
| 993 |
default:
|
| 994 |
goto abort_cmd;
|
| 995 |
} |
| 996 |
s->status = READY_STAT | SEEK_STAT; |
| 997 |
ide_set_irq(s->bus); |
| 998 |
break;
|
| 999 |
} |
| 1000 |
default:
|
| 1001 |
goto abort_cmd;
|
| 1002 |
} |
| 1003 |
break;
|
| 1004 |
case WIN_FLUSH_CACHE:
|
| 1005 |
case WIN_FLUSH_CACHE_EXT:
|
| 1006 |
ide_flush_cache(s); |
| 1007 |
break;
|
| 1008 |
case WIN_STANDBY:
|
| 1009 |
case WIN_STANDBY2:
|
| 1010 |
case WIN_STANDBYNOW1:
|
| 1011 |
case WIN_STANDBYNOW2:
|
| 1012 |
case WIN_IDLEIMMEDIATE:
|
| 1013 |
case CFA_IDLEIMMEDIATE:
|
| 1014 |
case WIN_SETIDLE1:
|
| 1015 |
case WIN_SETIDLE2:
|
| 1016 |
case WIN_SLEEPNOW1:
|
| 1017 |
case WIN_SLEEPNOW2:
|
| 1018 |
s->status = READY_STAT; |
| 1019 |
ide_set_irq(s->bus); |
| 1020 |
break;
|
| 1021 |
case WIN_SEEK:
|
| 1022 |
if(s->drive_kind == IDE_CD)
|
| 1023 |
goto abort_cmd;
|
| 1024 |
/* XXX: Check that seek is within bounds */
|
| 1025 |
s->status = READY_STAT | SEEK_STAT; |
| 1026 |
ide_set_irq(s->bus); |
| 1027 |
break;
|
| 1028 |
/* ATAPI commands */
|
| 1029 |
case WIN_PIDENTIFY:
|
| 1030 |
if (s->drive_kind == IDE_CD) {
|
| 1031 |
ide_atapi_identify(s); |
| 1032 |
s->status = READY_STAT | SEEK_STAT; |
| 1033 |
ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop);
|
| 1034 |
} else {
|
| 1035 |
ide_abort_command(s); |
| 1036 |
} |
| 1037 |
ide_set_irq(s->bus); |
| 1038 |
break;
|
| 1039 |
case WIN_DIAGNOSE:
|
| 1040 |
ide_set_signature(s); |
| 1041 |
if (s->drive_kind == IDE_CD)
|
| 1042 |
s->status = 0; /* ATAPI spec (v6) section 9.10 defines packet |
| 1043 |
* devices to return a clear status register
|
| 1044 |
* with READY_STAT *not* set. */
|
| 1045 |
else
|
| 1046 |
s->status = READY_STAT | SEEK_STAT; |
| 1047 |
s->error = 0x01; /* Device 0 passed, Device 1 passed or not |
| 1048 |
* present.
|
| 1049 |
*/
|
| 1050 |
ide_set_irq(s->bus); |
| 1051 |
break;
|
| 1052 |
case WIN_SRST:
|
| 1053 |
if (s->drive_kind != IDE_CD)
|
| 1054 |
goto abort_cmd;
|
| 1055 |
ide_set_signature(s); |
| 1056 |
s->status = 0x00; /* NOTE: READY is _not_ set */ |
| 1057 |
s->error = 0x01;
|
| 1058 |
break;
|
| 1059 |
case WIN_PACKETCMD:
|
| 1060 |
if (s->drive_kind != IDE_CD)
|
| 1061 |
goto abort_cmd;
|
| 1062 |
/* overlapping commands not supported */
|
| 1063 |
if (s->feature & 0x02) |
| 1064 |
goto abort_cmd;
|
| 1065 |
s->status = READY_STAT | SEEK_STAT; |
| 1066 |
s->atapi_dma = s->feature & 1;
|
| 1067 |
s->nsector = 1;
|
| 1068 |
ide_transfer_start(s, s->io_buffer, ATAPI_PACKET_SIZE, |
| 1069 |
ide_atapi_cmd); |
| 1070 |
break;
|
| 1071 |
/* CF-ATA commands */
|
| 1072 |
case CFA_REQ_EXT_ERROR_CODE:
|
| 1073 |
if (s->drive_kind != IDE_CFATA)
|
| 1074 |
goto abort_cmd;
|
| 1075 |
s->error = 0x09; /* miscellaneous error */ |
| 1076 |
s->status = READY_STAT | SEEK_STAT; |
| 1077 |
ide_set_irq(s->bus); |
| 1078 |
break;
|
| 1079 |
case CFA_ERASE_SECTORS:
|
| 1080 |
case CFA_WEAR_LEVEL:
|
| 1081 |
if (s->drive_kind != IDE_CFATA)
|
| 1082 |
goto abort_cmd;
|
| 1083 |
if (val == CFA_WEAR_LEVEL)
|
| 1084 |
s->nsector = 0;
|
| 1085 |
if (val == CFA_ERASE_SECTORS)
|
| 1086 |
s->media_changed = 1;
|
| 1087 |
s->error = 0x00;
|
| 1088 |
s->status = READY_STAT | SEEK_STAT; |
| 1089 |
ide_set_irq(s->bus); |
| 1090 |
break;
|
| 1091 |
case CFA_TRANSLATE_SECTOR:
|
| 1092 |
if (s->drive_kind != IDE_CFATA)
|
| 1093 |
goto abort_cmd;
|
| 1094 |
s->error = 0x00;
|
| 1095 |
s->status = READY_STAT | SEEK_STAT; |
| 1096 |
memset(s->io_buffer, 0, 0x200); |
| 1097 |
s->io_buffer[0x00] = s->hcyl; /* Cyl MSB */ |
| 1098 |
s->io_buffer[0x01] = s->lcyl; /* Cyl LSB */ |
| 1099 |
s->io_buffer[0x02] = s->select; /* Head */ |
| 1100 |
s->io_buffer[0x03] = s->sector; /* Sector */ |
| 1101 |
s->io_buffer[0x04] = ide_get_sector(s) >> 16; /* LBA MSB */ |
| 1102 |
s->io_buffer[0x05] = ide_get_sector(s) >> 8; /* LBA */ |
| 1103 |
s->io_buffer[0x06] = ide_get_sector(s) >> 0; /* LBA LSB */ |
| 1104 |
s->io_buffer[0x13] = 0x00; /* Erase flag */ |
| 1105 |
s->io_buffer[0x18] = 0x00; /* Hot count */ |
| 1106 |
s->io_buffer[0x19] = 0x00; /* Hot count */ |
| 1107 |
s->io_buffer[0x1a] = 0x01; /* Hot count */ |
| 1108 |
ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop);
|
| 1109 |
ide_set_irq(s->bus); |
| 1110 |
break;
|
| 1111 |
case CFA_ACCESS_METADATA_STORAGE:
|
| 1112 |
if (s->drive_kind != IDE_CFATA)
|
| 1113 |
goto abort_cmd;
|
| 1114 |
switch (s->feature) {
|
| 1115 |
case 0x02: /* Inquiry Metadata Storage */ |
| 1116 |
ide_cfata_metadata_inquiry(s); |
| 1117 |
break;
|
| 1118 |
case 0x03: /* Read Metadata Storage */ |
| 1119 |
ide_cfata_metadata_read(s); |
| 1120 |
break;
|
| 1121 |
case 0x04: /* Write Metadata Storage */ |
| 1122 |
ide_cfata_metadata_write(s); |
| 1123 |
break;
|
| 1124 |
default:
|
| 1125 |
goto abort_cmd;
|
| 1126 |
} |
| 1127 |
ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop);
|
| 1128 |
s->status = 0x00; /* NOTE: READY is _not_ set */ |
| 1129 |
ide_set_irq(s->bus); |
| 1130 |
break;
|
| 1131 |
case IBM_SENSE_CONDITION:
|
| 1132 |
if (s->drive_kind != IDE_CFATA)
|
| 1133 |
goto abort_cmd;
|
| 1134 |
switch (s->feature) {
|
| 1135 |
case 0x01: /* sense temperature in device */ |
| 1136 |
s->nsector = 0x50; /* +20 C */ |
| 1137 |
break;
|
| 1138 |
default:
|
| 1139 |
goto abort_cmd;
|
| 1140 |
} |
| 1141 |
s->status = READY_STAT | SEEK_STAT; |
| 1142 |
ide_set_irq(s->bus); |
| 1143 |
break;
|
| 1144 |
|
| 1145 |
case WIN_SMART:
|
| 1146 |
if (s->drive_kind == IDE_CD)
|
| 1147 |
goto abort_cmd;
|
| 1148 |
if (s->hcyl != 0xc2 || s->lcyl != 0x4f) |
| 1149 |
goto abort_cmd;
|
| 1150 |
if (!s->smart_enabled && s->feature != SMART_ENABLE)
|
| 1151 |
goto abort_cmd;
|
| 1152 |
switch (s->feature) {
|
| 1153 |
case SMART_DISABLE:
|
| 1154 |
s->smart_enabled = 0;
|
| 1155 |
s->status = READY_STAT | SEEK_STAT; |
| 1156 |
ide_set_irq(s->bus); |
| 1157 |
break;
|
| 1158 |
case SMART_ENABLE:
|
| 1159 |
s->smart_enabled = 1;
|
| 1160 |
s->status = READY_STAT | SEEK_STAT; |
| 1161 |
ide_set_irq(s->bus); |
| 1162 |
break;
|
| 1163 |
case SMART_ATTR_AUTOSAVE:
|
| 1164 |
switch (s->sector) {
|
| 1165 |
case 0x00: |
| 1166 |
s->smart_autosave = 0;
|
| 1167 |
break;
|
| 1168 |
case 0xf1: |
| 1169 |
s->smart_autosave = 1;
|
| 1170 |
break;
|
| 1171 |
default:
|
| 1172 |
goto abort_cmd;
|
| 1173 |
} |
| 1174 |
s->status = READY_STAT | SEEK_STAT; |
| 1175 |
ide_set_irq(s->bus); |
| 1176 |
break;
|
| 1177 |
case SMART_STATUS:
|
| 1178 |
if (!s->smart_errors) {
|
| 1179 |
s->hcyl = 0xc2;
|
| 1180 |
s->lcyl = 0x4f;
|
| 1181 |
} else {
|
| 1182 |
s->hcyl = 0x2c;
|
| 1183 |
s->lcyl = 0xf4;
|
| 1184 |
} |
| 1185 |
s->status = READY_STAT | SEEK_STAT; |
| 1186 |
ide_set_irq(s->bus); |
| 1187 |
break;
|
| 1188 |
case SMART_READ_THRESH:
|
| 1189 |
memset(s->io_buffer, 0, 0x200); |
| 1190 |
s->io_buffer[0] = 0x01; /* smart struct version */ |
| 1191 |
for (n=0; n<30; n++) { |
| 1192 |
if (smart_attributes[n][0] == 0) |
| 1193 |
break;
|
| 1194 |
s->io_buffer[2+0+(n*12)] = smart_attributes[n][0]; |
| 1195 |
s->io_buffer[2+1+(n*12)] = smart_attributes[n][11]; |
| 1196 |
} |
| 1197 |
for (n=0; n<511; n++) /* checksum */ |
| 1198 |
s->io_buffer[511] += s->io_buffer[n];
|
| 1199 |
s->io_buffer[511] = 0x100 - s->io_buffer[511]; |
| 1200 |
s->status = READY_STAT | SEEK_STAT; |
| 1201 |
ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop);
|
| 1202 |
ide_set_irq(s->bus); |
| 1203 |
break;
|
| 1204 |
case SMART_READ_DATA:
|
| 1205 |
memset(s->io_buffer, 0, 0x200); |
| 1206 |
s->io_buffer[0] = 0x01; /* smart struct version */ |
| 1207 |
for (n=0; n<30; n++) { |
| 1208 |
if (smart_attributes[n][0] == 0) { |
| 1209 |
break;
|
| 1210 |
} |
| 1211 |
int i;
|
| 1212 |
for(i = 0; i < 11; i++) { |
| 1213 |
s->io_buffer[2+i+(n*12)] = smart_attributes[n][i]; |
| 1214 |
} |
| 1215 |
} |
| 1216 |
s->io_buffer[362] = 0x02 | (s->smart_autosave?0x80:0x00); |
| 1217 |
if (s->smart_selftest_count == 0) { |
| 1218 |
s->io_buffer[363] = 0; |
| 1219 |
} else {
|
| 1220 |
s->io_buffer[363] =
|
| 1221 |
s->smart_selftest_data[3 +
|
| 1222 |
(s->smart_selftest_count - 1) *
|
| 1223 |
24];
|
| 1224 |
} |
| 1225 |
s->io_buffer[364] = 0x20; |
| 1226 |
s->io_buffer[365] = 0x01; |
| 1227 |
/* offline data collection capacity: execute + self-test*/
|
| 1228 |
s->io_buffer[367] = (1<<4 | 1<<3 | 1); |
| 1229 |
s->io_buffer[368] = 0x03; /* smart capability (1) */ |
| 1230 |
s->io_buffer[369] = 0x00; /* smart capability (2) */ |
| 1231 |
s->io_buffer[370] = 0x01; /* error logging supported */ |
| 1232 |
s->io_buffer[372] = 0x02; /* minutes for poll short test */ |
| 1233 |
s->io_buffer[373] = 0x36; /* minutes for poll ext test */ |
| 1234 |
s->io_buffer[374] = 0x01; /* minutes for poll conveyance */ |
| 1235 |
|
| 1236 |
for (n=0; n<511; n++) |
| 1237 |
s->io_buffer[511] += s->io_buffer[n];
|
| 1238 |
s->io_buffer[511] = 0x100 - s->io_buffer[511]; |
| 1239 |
s->status = READY_STAT | SEEK_STAT; |
| 1240 |
ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop);
|
| 1241 |
ide_set_irq(s->bus); |
| 1242 |
break;
|
| 1243 |
case SMART_READ_LOG:
|
| 1244 |
switch (s->sector) {
|
| 1245 |
case 0x01: /* summary smart error log */ |
| 1246 |
memset(s->io_buffer, 0, 0x200); |
| 1247 |
s->io_buffer[0] = 0x01; |
| 1248 |
s->io_buffer[1] = 0x00; /* no error entries */ |
| 1249 |
s->io_buffer[452] = s->smart_errors & 0xff; |
| 1250 |
s->io_buffer[453] = (s->smart_errors & 0xff00) >> 8; |
| 1251 |
|
| 1252 |
for (n=0; n<511; n++) |
| 1253 |
s->io_buffer[511] += s->io_buffer[n];
|
| 1254 |
s->io_buffer[511] = 0x100 - s->io_buffer[511]; |
| 1255 |
break;
|
| 1256 |
case 0x06: /* smart self test log */ |
| 1257 |
memset(s->io_buffer, 0, 0x200); |
| 1258 |
s->io_buffer[0] = 0x01; |
| 1259 |
if (s->smart_selftest_count == 0) { |
| 1260 |
s->io_buffer[508] = 0; |
| 1261 |
} else {
|
| 1262 |
s->io_buffer[508] = s->smart_selftest_count;
|
| 1263 |
for (n=2; n<506; n++) |
| 1264 |
s->io_buffer[n] = s->smart_selftest_data[n]; |
| 1265 |
} |
| 1266 |
for (n=0; n<511; n++) |
| 1267 |
s->io_buffer[511] += s->io_buffer[n];
|
| 1268 |
s->io_buffer[511] = 0x100 - s->io_buffer[511]; |
| 1269 |
break;
|
| 1270 |
default:
|
| 1271 |
goto abort_cmd;
|
| 1272 |
} |
| 1273 |
s->status = READY_STAT | SEEK_STAT; |
| 1274 |
ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop);
|
| 1275 |
ide_set_irq(s->bus); |
| 1276 |
break;
|
| 1277 |
case SMART_EXECUTE_OFFLINE:
|
| 1278 |
switch (s->sector) {
|
| 1279 |
case 0: /* off-line routine */ |
| 1280 |
case 1: /* short self test */ |
| 1281 |
case 2: /* extended self test */ |
| 1282 |
s->smart_selftest_count++; |
| 1283 |
if(s->smart_selftest_count > 21) |
| 1284 |
s->smart_selftest_count = 0;
|
| 1285 |
n = 2 + (s->smart_selftest_count - 1) * 24; |
| 1286 |
s->smart_selftest_data[n] = s->sector; |
| 1287 |
s->smart_selftest_data[n+1] = 0x00; /* OK and finished */ |
| 1288 |
s->smart_selftest_data[n+2] = 0x34; /* hour count lsb */ |
| 1289 |
s->smart_selftest_data[n+3] = 0x12; /* hour count msb */ |
| 1290 |
s->status = READY_STAT | SEEK_STAT; |
| 1291 |
ide_set_irq(s->bus); |
| 1292 |
break;
|
| 1293 |
default:
|
| 1294 |
goto abort_cmd;
|
| 1295 |
} |
| 1296 |
break;
|
| 1297 |
default:
|
| 1298 |
goto abort_cmd;
|
| 1299 |
} |
| 1300 |
break;
|
| 1301 |
default:
|
| 1302 |
abort_cmd:
|
| 1303 |
ide_abort_command(s); |
| 1304 |
ide_set_irq(s->bus); |
| 1305 |
break;
|
| 1306 |
} |
| 1307 |
} |
| 1308 |
|
| 1309 |
uint32_t ide_ioport_read(void *opaque, uint32_t addr1)
|
| 1310 |
{
|
| 1311 |
IDEBus *bus = opaque; |
| 1312 |
IDEState *s = idebus_active_if(bus); |
| 1313 |
uint32_t addr; |
| 1314 |
int ret, hob;
|
| 1315 |
|
| 1316 |
addr = addr1 & 7;
|
| 1317 |
/* FIXME: HOB readback uses bit 7, but it's always set right now */
|
| 1318 |
//hob = s->select & (1 << 7);
|
| 1319 |
hob = 0;
|
| 1320 |
switch(addr) {
|
| 1321 |
case 0: |
| 1322 |
ret = 0xff;
|
| 1323 |
break;
|
| 1324 |
case 1: |
| 1325 |
if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || |
| 1326 |
(s != bus->ifs && !s->bs)) |
| 1327 |
ret = 0;
|
| 1328 |
else if (!hob) |
| 1329 |
ret = s->error; |
| 1330 |
else
|
| 1331 |
ret = s->hob_feature; |
| 1332 |
break;
|
| 1333 |
case 2: |
| 1334 |
if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
| 1335 |
ret = 0;
|
| 1336 |
else if (!hob) |
| 1337 |
ret = s->nsector & 0xff;
|
| 1338 |
else
|
| 1339 |
ret = s->hob_nsector; |
| 1340 |
break;
|
| 1341 |
case 3: |
| 1342 |
if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
| 1343 |
ret = 0;
|
| 1344 |
else if (!hob) |
| 1345 |
ret = s->sector; |
| 1346 |
else
|
| 1347 |
ret = s->hob_sector; |
| 1348 |
break;
|
| 1349 |
case 4: |
| 1350 |
if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
| 1351 |
ret = 0;
|
| 1352 |
else if (!hob) |
| 1353 |
ret = s->lcyl; |
| 1354 |
else
|
| 1355 |
ret = s->hob_lcyl; |
| 1356 |
break;
|
| 1357 |
case 5: |
| 1358 |
if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
| 1359 |
ret = 0;
|
| 1360 |
else if (!hob) |
| 1361 |
ret = s->hcyl; |
| 1362 |
else
|
| 1363 |
ret = s->hob_hcyl; |
| 1364 |
break;
|
| 1365 |
case 6: |
| 1366 |
if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
| 1367 |
ret = 0;
|
| 1368 |
else
|
| 1369 |
ret = s->select; |
| 1370 |
break;
|
| 1371 |
default:
|
| 1372 |
case 7: |
| 1373 |
if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || |
| 1374 |
(s != bus->ifs && !s->bs)) |
| 1375 |
ret = 0;
|
| 1376 |
else
|
| 1377 |
ret = s->status; |
| 1378 |
qemu_irq_lower(bus->irq); |
| 1379 |
break;
|
| 1380 |
} |
| 1381 |
#ifdef DEBUG_IDE
|
| 1382 |
printf("ide: read addr=0x%x val=%02x\n", addr1, ret);
|
| 1383 |
#endif
|
| 1384 |
return ret;
|
| 1385 |
} |
| 1386 |
|
| 1387 |
uint32_t ide_status_read(void *opaque, uint32_t addr)
|
| 1388 |
{
|
| 1389 |
IDEBus *bus = opaque; |
| 1390 |
IDEState *s = idebus_active_if(bus); |
| 1391 |
int ret;
|
| 1392 |
|
| 1393 |
if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || |
| 1394 |
(s != bus->ifs && !s->bs)) |
| 1395 |
ret = 0;
|
| 1396 |
else
|
| 1397 |
ret = s->status; |
| 1398 |
#ifdef DEBUG_IDE
|
| 1399 |
printf("ide: read status addr=0x%x val=%02x\n", addr, ret);
|
| 1400 |
#endif
|
| 1401 |
return ret;
|
| 1402 |
} |
| 1403 |
|
| 1404 |
void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val) |
| 1405 |
{
|
| 1406 |
IDEBus *bus = opaque; |
| 1407 |
IDEState *s; |
| 1408 |
int i;
|
| 1409 |
|
| 1410 |
#ifdef DEBUG_IDE
|
| 1411 |
printf("ide: write control addr=0x%x val=%02x\n", addr, val);
|
| 1412 |
#endif
|
| 1413 |
/* common for both drives */
|
| 1414 |
if (!(bus->cmd & IDE_CMD_RESET) &&
|
| 1415 |
(val & IDE_CMD_RESET)) {
|
| 1416 |
/* reset low to high */
|
| 1417 |
for(i = 0;i < 2; i++) { |
| 1418 |
s = &bus->ifs[i]; |
| 1419 |
s->status = BUSY_STAT | SEEK_STAT; |
| 1420 |
s->error = 0x01;
|
| 1421 |
} |
| 1422 |
} else if ((bus->cmd & IDE_CMD_RESET) && |
| 1423 |
!(val & IDE_CMD_RESET)) {
|
| 1424 |
/* high to low */
|
| 1425 |
for(i = 0;i < 2; i++) { |
| 1426 |
s = &bus->ifs[i]; |
| 1427 |
if (s->drive_kind == IDE_CD)
|
| 1428 |
s->status = 0x00; /* NOTE: READY is _not_ set */ |
| 1429 |
else
|
| 1430 |
s->status = READY_STAT | SEEK_STAT; |
| 1431 |
ide_set_signature(s); |
| 1432 |
} |
| 1433 |
} |
| 1434 |
|
| 1435 |
bus->cmd = val; |
| 1436 |
} |
| 1437 |
|
| 1438 |
void ide_data_writew(void *opaque, uint32_t addr, uint32_t val) |
| 1439 |
{
|
| 1440 |
IDEBus *bus = opaque; |
| 1441 |
IDEState *s = idebus_active_if(bus); |
| 1442 |
uint8_t *p; |
| 1443 |
|
| 1444 |
/* PIO data access allowed only when DRQ bit is set */
|
| 1445 |
if (!(s->status & DRQ_STAT))
|
| 1446 |
return;
|
| 1447 |
|
| 1448 |
p = s->data_ptr; |
| 1449 |
*(uint16_t *)p = le16_to_cpu(val); |
| 1450 |
p += 2;
|
| 1451 |
s->data_ptr = p; |
| 1452 |
if (p >= s->data_end)
|
| 1453 |
s->end_transfer_func(s); |
| 1454 |
} |
| 1455 |
|
| 1456 |
uint32_t ide_data_readw(void *opaque, uint32_t addr)
|
| 1457 |
{
|
| 1458 |
IDEBus *bus = opaque; |
| 1459 |
IDEState *s = idebus_active_if(bus); |
| 1460 |
uint8_t *p; |
| 1461 |
int ret;
|
| 1462 |
|
| 1463 |
/* PIO data access allowed only when DRQ bit is set */
|
| 1464 |
if (!(s->status & DRQ_STAT))
|
| 1465 |
return 0; |
| 1466 |
|
| 1467 |
p = s->data_ptr; |
| 1468 |
ret = cpu_to_le16(*(uint16_t *)p); |
| 1469 |
p += 2;
|
| 1470 |
s->data_ptr = p; |
| 1471 |
if (p >= s->data_end)
|
| 1472 |
s->end_transfer_func(s); |
| 1473 |
return ret;
|
| 1474 |
} |
| 1475 |
|
| 1476 |
void ide_data_writel(void *opaque, uint32_t addr, uint32_t val) |
| 1477 |
{
|
| 1478 |
IDEBus *bus = opaque; |
| 1479 |
IDEState *s = idebus_active_if(bus); |
| 1480 |
uint8_t *p; |
| 1481 |
|
| 1482 |
/* PIO data access allowed only when DRQ bit is set */
|
| 1483 |
if (!(s->status & DRQ_STAT))
|
| 1484 |
return;
|
| 1485 |
|
| 1486 |
p = s->data_ptr; |
| 1487 |
*(uint32_t *)p = le32_to_cpu(val); |
| 1488 |
p += 4;
|
| 1489 |
s->data_ptr = p; |
| 1490 |
if (p >= s->data_end)
|
| 1491 |
s->end_transfer_func(s); |
| 1492 |
} |
| 1493 |
|
| 1494 |
uint32_t ide_data_readl(void *opaque, uint32_t addr)
|
| 1495 |
{
|
| 1496 |
IDEBus *bus = opaque; |
| 1497 |
IDEState *s = idebus_active_if(bus); |
| 1498 |
uint8_t *p; |
| 1499 |
int ret;
|
| 1500 |
|
| 1501 |
/* PIO data access allowed only when DRQ bit is set */
|
| 1502 |
if (!(s->status & DRQ_STAT))
|
| 1503 |
return 0; |
| 1504 |
|
| 1505 |
p = s->data_ptr; |
| 1506 |
ret = cpu_to_le32(*(uint32_t *)p); |
| 1507 |
p += 4;
|
| 1508 |
s->data_ptr = p; |
| 1509 |
if (p >= s->data_end)
|
| 1510 |
s->end_transfer_func(s); |
| 1511 |
return ret;
|
| 1512 |
} |
| 1513 |
|
| 1514 |
static void ide_dummy_transfer_stop(IDEState *s) |
| 1515 |
{
|
| 1516 |
s->data_ptr = s->io_buffer; |
| 1517 |
s->data_end = s->io_buffer; |
| 1518 |
s->io_buffer[0] = 0xff; |
| 1519 |
s->io_buffer[1] = 0xff; |
| 1520 |
s->io_buffer[2] = 0xff; |
| 1521 |
s->io_buffer[3] = 0xff; |
| 1522 |
} |
| 1523 |
|
| 1524 |
static void ide_reset(IDEState *s) |
| 1525 |
{
|
| 1526 |
#ifdef DEBUG_IDE
|
| 1527 |
printf("ide: reset\n");
|
| 1528 |
#endif
|
| 1529 |
if (s->drive_kind == IDE_CFATA)
|
| 1530 |
s->mult_sectors = 0;
|
| 1531 |
else
|
| 1532 |
s->mult_sectors = MAX_MULT_SECTORS; |
| 1533 |
/* ide regs */
|
| 1534 |
s->feature = 0;
|
| 1535 |
s->error = 0;
|
| 1536 |
s->nsector = 0;
|
| 1537 |
s->sector = 0;
|
| 1538 |
s->lcyl = 0;
|
| 1539 |
s->hcyl = 0;
|
| 1540 |
|
| 1541 |
/* lba48 */
|
| 1542 |
s->hob_feature = 0;
|
| 1543 |
s->hob_sector = 0;
|
| 1544 |
s->hob_nsector = 0;
|
| 1545 |
s->hob_lcyl = 0;
|
| 1546 |
s->hob_hcyl = 0;
|
| 1547 |
|
| 1548 |
s->select = 0xa0;
|
| 1549 |
s->status = READY_STAT | SEEK_STAT; |
| 1550 |
|
| 1551 |
s->lba48 = 0;
|
| 1552 |
|
| 1553 |
/* ATAPI specific */
|
| 1554 |
s->sense_key = 0;
|
| 1555 |
s->asc = 0;
|
| 1556 |
s->cdrom_changed = 0;
|
| 1557 |
s->packet_transfer_size = 0;
|
| 1558 |
s->elementary_transfer_size = 0;
|
| 1559 |
s->io_buffer_index = 0;
|
| 1560 |
s->cd_sector_size = 0;
|
| 1561 |
s->atapi_dma = 0;
|
| 1562 |
/* ATA DMA state */
|
| 1563 |
s->io_buffer_size = 0;
|
| 1564 |
s->req_nb_sectors = 0;
|
| 1565 |
|
| 1566 |
ide_set_signature(s); |
| 1567 |
/* init the transfer handler so that 0xffff is returned on data
|
| 1568 |
accesses */
|
| 1569 |
s->end_transfer_func = ide_dummy_transfer_stop; |
| 1570 |
ide_dummy_transfer_stop(s); |
| 1571 |
s->media_changed = 0;
|
| 1572 |
} |
| 1573 |
|
| 1574 |
void ide_bus_reset(IDEBus *bus)
|
| 1575 |
{
|
| 1576 |
bus->unit = 0;
|
| 1577 |
bus->cmd = 0;
|
| 1578 |
ide_reset(&bus->ifs[0]);
|
| 1579 |
ide_reset(&bus->ifs[1]);
|
| 1580 |
ide_clear_hob(bus); |
| 1581 |
|
| 1582 |
/* pending async DMA */
|
| 1583 |
if (bus->dma->aiocb) {
|
| 1584 |
#ifdef DEBUG_AIO
|
| 1585 |
printf("aio_cancel\n");
|
| 1586 |
#endif
|
| 1587 |
bdrv_aio_cancel(bus->dma->aiocb); |
| 1588 |
bus->dma->aiocb = NULL;
|
| 1589 |
} |
| 1590 |
|
| 1591 |
/* reset dma provider too */
|
| 1592 |
bus->dma->ops->reset(bus->dma); |
| 1593 |
} |
| 1594 |
|
| 1595 |
int ide_init_drive(IDEState *s, BlockDriverState *bs, IDEDriveKind kind,
|
| 1596 |
const char *version, const char *serial) |
| 1597 |
{
|
| 1598 |
int cylinders, heads, secs;
|
| 1599 |
uint64_t nb_sectors; |
| 1600 |
|
| 1601 |
s->bs = bs; |
| 1602 |
s->drive_kind = kind; |
| 1603 |
|
| 1604 |
bdrv_get_geometry(bs, &nb_sectors); |
| 1605 |
bdrv_guess_geometry(bs, &cylinders, &heads, &secs); |
| 1606 |
if (cylinders < 1 || cylinders > 16383) { |
| 1607 |
error_report("cyls must be between 1 and 16383");
|
| 1608 |
return -1; |
| 1609 |
} |
| 1610 |
if (heads < 1 || heads > 16) { |
| 1611 |
error_report("heads must be between 1 and 16");
|
| 1612 |
return -1; |
| 1613 |
} |
| 1614 |
if (secs < 1 || secs > 63) { |
| 1615 |
error_report("secs must be between 1 and 63");
|
| 1616 |
return -1; |
| 1617 |
} |
| 1618 |
s->cylinders = cylinders; |
| 1619 |
s->heads = heads; |
| 1620 |
s->sectors = secs; |
| 1621 |
s->nb_sectors = nb_sectors; |
| 1622 |
/* The SMART values should be preserved across power cycles
|
| 1623 |
but they aren't. */
|
| 1624 |
s->smart_enabled = 1;
|
| 1625 |
s->smart_autosave = 1;
|
| 1626 |
s->smart_errors = 0;
|
| 1627 |
s->smart_selftest_count = 0;
|
| 1628 |
if (kind == IDE_CD) {
|
| 1629 |
bdrv_set_change_cb(bs, cdrom_change_cb, s); |
| 1630 |
bs->buffer_alignment = 2048;
|
| 1631 |
} else {
|
| 1632 |
if (!bdrv_is_inserted(s->bs)) {
|
| 1633 |
error_report("Device needs media, but drive is empty");
|
| 1634 |
return -1; |
| 1635 |
} |
| 1636 |
if (bdrv_is_read_only(bs)) {
|
| 1637 |
error_report("Can't use a read-only drive");
|
| 1638 |
return -1; |
| 1639 |
} |
| 1640 |
} |
| 1641 |
if (serial) {
|
| 1642 |
strncpy(s->drive_serial_str, serial, sizeof(s->drive_serial_str));
|
| 1643 |
} else {
|
| 1644 |
snprintf(s->drive_serial_str, sizeof(s->drive_serial_str),
|
| 1645 |
"QM%05d", s->drive_serial);
|
| 1646 |
} |
| 1647 |
if (version) {
|
| 1648 |
pstrcpy(s->version, sizeof(s->version), version);
|
| 1649 |
} else {
|
| 1650 |
pstrcpy(s->version, sizeof(s->version), QEMU_VERSION);
|
| 1651 |
} |
| 1652 |
|
| 1653 |
ide_reset(s); |
| 1654 |
bdrv_set_removable(bs, s->drive_kind == IDE_CD); |
| 1655 |
return 0; |
| 1656 |
} |
| 1657 |
|
| 1658 |
static void ide_init1(IDEBus *bus, int unit) |
| 1659 |
{
|
| 1660 |
static int drive_serial = 1; |
| 1661 |
IDEState *s = &bus->ifs[unit]; |
| 1662 |
|
| 1663 |
s->bus = bus; |
| 1664 |
s->unit = unit; |
| 1665 |
s->drive_serial = drive_serial++; |
| 1666 |
/* we need at least 2k alignment for accessing CDROMs using O_DIRECT */
|
| 1667 |
s->io_buffer = qemu_memalign(2048, IDE_DMA_BUF_SECTORS*512 + 4); |
| 1668 |
s->io_buffer_total_len = IDE_DMA_BUF_SECTORS*512 + 4; |
| 1669 |
s->smart_selftest_data = qemu_blockalign(s->bs, 512);
|
| 1670 |
s->sector_write_timer = qemu_new_timer_ns(vm_clock, |
| 1671 |
ide_sector_write_timer_cb, s); |
| 1672 |
} |
| 1673 |
|
| 1674 |
static void ide_nop_start(IDEDMA *dma, IDEState *s, |
| 1675 |
BlockDriverCompletionFunc *cb) |
| 1676 |
{
|
| 1677 |
} |
| 1678 |
|
| 1679 |
static int ide_nop(IDEDMA *dma) |
| 1680 |
{
|
| 1681 |
return 0; |
| 1682 |
} |
| 1683 |
|
| 1684 |
static int ide_nop_int(IDEDMA *dma, int x) |
| 1685 |
{
|
| 1686 |
return 0; |
| 1687 |
} |
| 1688 |
|
| 1689 |
static void ide_nop_restart(void *opaque, int x, int y) |
| 1690 |
{
|
| 1691 |
} |
| 1692 |
|
| 1693 |
static const IDEDMAOps ide_dma_nop_ops = { |
| 1694 |
.start_dma = ide_nop_start, |
| 1695 |
.start_transfer = ide_nop, |
| 1696 |
.prepare_buf = ide_nop_int, |
| 1697 |
.rw_buf = ide_nop_int, |
| 1698 |
.set_unit = ide_nop_int, |
| 1699 |
.add_status = ide_nop_int, |
| 1700 |
.set_inactive = ide_nop, |
| 1701 |
.restart_cb = ide_nop_restart, |
| 1702 |
.reset = ide_nop, |
| 1703 |
}; |
| 1704 |
|
| 1705 |
static IDEDMA ide_dma_nop = {
|
| 1706 |
.ops = &ide_dma_nop_ops, |
| 1707 |
.aiocb = NULL,
|
| 1708 |
}; |
| 1709 |
|
| 1710 |
void ide_init2(IDEBus *bus, qemu_irq irq)
|
| 1711 |
{
|
| 1712 |
int i;
|
| 1713 |
|
| 1714 |
for(i = 0; i < 2; i++) { |
| 1715 |
ide_init1(bus, i); |
| 1716 |
ide_reset(&bus->ifs[i]); |
| 1717 |
} |
| 1718 |
bus->irq = irq; |
| 1719 |
bus->dma = &ide_dma_nop; |
| 1720 |
} |
| 1721 |
|
| 1722 |
/* TODO convert users to qdev and remove */
|
| 1723 |
void ide_init2_with_non_qdev_drives(IDEBus *bus, DriveInfo *hd0,
|
| 1724 |
DriveInfo *hd1, qemu_irq irq) |
| 1725 |
{
|
| 1726 |
int i;
|
| 1727 |
DriveInfo *dinfo; |
| 1728 |
|
| 1729 |
for(i = 0; i < 2; i++) { |
| 1730 |
dinfo = i == 0 ? hd0 : hd1;
|
| 1731 |
ide_init1(bus, i); |
| 1732 |
if (dinfo) {
|
| 1733 |
if (ide_init_drive(&bus->ifs[i], dinfo->bdrv,
|
| 1734 |
dinfo->media_cd ? IDE_CD : IDE_HD, NULL,
|
| 1735 |
*dinfo->serial ? dinfo->serial : NULL) < 0) { |
| 1736 |
error_report("Can't set up IDE drive %s", dinfo->id);
|
| 1737 |
exit(1);
|
| 1738 |
} |
| 1739 |
} else {
|
| 1740 |
ide_reset(&bus->ifs[i]); |
| 1741 |
} |
| 1742 |
} |
| 1743 |
bus->irq = irq; |
| 1744 |
bus->dma = &ide_dma_nop; |
| 1745 |
} |
| 1746 |
|
| 1747 |
void ide_init_ioport(IDEBus *bus, int iobase, int iobase2) |
| 1748 |
{
|
| 1749 |
register_ioport_write(iobase, 8, 1, ide_ioport_write, bus); |
| 1750 |
register_ioport_read(iobase, 8, 1, ide_ioport_read, bus); |
| 1751 |
if (iobase2) {
|
| 1752 |
register_ioport_read(iobase2, 1, 1, ide_status_read, bus); |
| 1753 |
register_ioport_write(iobase2, 1, 1, ide_cmd_write, bus); |
| 1754 |
} |
| 1755 |
|
| 1756 |
/* data ports */
|
| 1757 |
register_ioport_write(iobase, 2, 2, ide_data_writew, bus); |
| 1758 |
register_ioport_read(iobase, 2, 2, ide_data_readw, bus); |
| 1759 |
register_ioport_write(iobase, 4, 4, ide_data_writel, bus); |
| 1760 |
register_ioport_read(iobase, 4, 4, ide_data_readl, bus); |
| 1761 |
} |
| 1762 |
|
| 1763 |
static bool is_identify_set(void *opaque, int version_id) |
| 1764 |
{
|
| 1765 |
IDEState *s = opaque; |
| 1766 |
|
| 1767 |
return s->identify_set != 0; |
| 1768 |
} |
| 1769 |
|
| 1770 |
static EndTransferFunc* transfer_end_table[] = {
|
| 1771 |
ide_sector_read, |
| 1772 |
ide_sector_write, |
| 1773 |
ide_transfer_stop, |
| 1774 |
ide_atapi_cmd_reply_end, |
| 1775 |
ide_atapi_cmd, |
| 1776 |
ide_dummy_transfer_stop, |
| 1777 |
}; |
| 1778 |
|
| 1779 |
static int transfer_end_table_idx(EndTransferFunc *fn) |
| 1780 |
{
|
| 1781 |
int i;
|
| 1782 |
|
| 1783 |
for (i = 0; i < ARRAY_SIZE(transfer_end_table); i++) |
| 1784 |
if (transfer_end_table[i] == fn)
|
| 1785 |
return i;
|
| 1786 |
|
| 1787 |
return -1; |
| 1788 |
} |
| 1789 |
|
| 1790 |
static int ide_drive_post_load(void *opaque, int version_id) |
| 1791 |
{
|
| 1792 |
IDEState *s = opaque; |
| 1793 |
|
| 1794 |
if (version_id < 3) { |
| 1795 |
if (s->sense_key == SENSE_UNIT_ATTENTION &&
|
| 1796 |
s->asc == ASC_MEDIUM_MAY_HAVE_CHANGED) {
|
| 1797 |
s->cdrom_changed = 1;
|
| 1798 |
} |
| 1799 |
} |
| 1800 |
return 0; |
| 1801 |
} |
| 1802 |
|
| 1803 |
static int ide_drive_pio_post_load(void *opaque, int version_id) |
| 1804 |
{
|
| 1805 |
IDEState *s = opaque; |
| 1806 |
|
| 1807 |
if (s->end_transfer_fn_idx > ARRAY_SIZE(transfer_end_table)) {
|
| 1808 |
return -EINVAL;
|
| 1809 |
} |
| 1810 |
s->end_transfer_func = transfer_end_table[s->end_transfer_fn_idx]; |
| 1811 |
s->data_ptr = s->io_buffer + s->cur_io_buffer_offset; |
| 1812 |
s->data_end = s->data_ptr + s->cur_io_buffer_len; |
| 1813 |
|
| 1814 |
return 0; |
| 1815 |
} |
| 1816 |
|
| 1817 |
static void ide_drive_pio_pre_save(void *opaque) |
| 1818 |
{
|
| 1819 |
IDEState *s = opaque; |
| 1820 |
int idx;
|
| 1821 |
|
| 1822 |
s->cur_io_buffer_offset = s->data_ptr - s->io_buffer; |
| 1823 |
s->cur_io_buffer_len = s->data_end - s->data_ptr; |
| 1824 |
|
| 1825 |
idx = transfer_end_table_idx(s->end_transfer_func); |
| 1826 |
if (idx == -1) { |
| 1827 |
fprintf(stderr, "%s: invalid end_transfer_func for DRQ_STAT\n",
|
| 1828 |
__func__); |
| 1829 |
s->end_transfer_fn_idx = 2;
|
| 1830 |
} else {
|
| 1831 |
s->end_transfer_fn_idx = idx; |
| 1832 |
} |
| 1833 |
} |
| 1834 |
|
| 1835 |
static bool ide_drive_pio_state_needed(void *opaque) |
| 1836 |
{
|
| 1837 |
IDEState *s = opaque; |
| 1838 |
|
| 1839 |
return (s->status & DRQ_STAT) != 0; |
| 1840 |
} |
| 1841 |
|
| 1842 |
static bool ide_atapi_gesn_needed(void *opaque) |
| 1843 |
{
|
| 1844 |
IDEState *s = opaque; |
| 1845 |
|
| 1846 |
return s->events.new_media || s->events.eject_request;
|
| 1847 |
} |
| 1848 |
|
| 1849 |
/* Fields for GET_EVENT_STATUS_NOTIFICATION ATAPI command */
|
| 1850 |
const VMStateDescription vmstate_ide_atapi_gesn_state = {
|
| 1851 |
.name ="ide_drive/atapi/gesn_state",
|
| 1852 |
.version_id = 1,
|
| 1853 |
.minimum_version_id = 1,
|
| 1854 |
.minimum_version_id_old = 1,
|
| 1855 |
.fields = (VMStateField []) {
|
| 1856 |
VMSTATE_BOOL(events.new_media, IDEState), |
| 1857 |
VMSTATE_BOOL(events.eject_request, IDEState), |
| 1858 |
} |
| 1859 |
}; |
| 1860 |
|
| 1861 |
const VMStateDescription vmstate_ide_drive_pio_state = {
|
| 1862 |
.name = "ide_drive/pio_state",
|
| 1863 |
.version_id = 1,
|
| 1864 |
.minimum_version_id = 1,
|
| 1865 |
.minimum_version_id_old = 1,
|
| 1866 |
.pre_save = ide_drive_pio_pre_save, |
| 1867 |
.post_load = ide_drive_pio_post_load, |
| 1868 |
.fields = (VMStateField []) {
|
| 1869 |
VMSTATE_INT32(req_nb_sectors, IDEState), |
| 1870 |
VMSTATE_VARRAY_INT32(io_buffer, IDEState, io_buffer_total_len, 1,
|
| 1871 |
vmstate_info_uint8, uint8_t), |
| 1872 |
VMSTATE_INT32(cur_io_buffer_offset, IDEState), |
| 1873 |
VMSTATE_INT32(cur_io_buffer_len, IDEState), |
| 1874 |
VMSTATE_UINT8(end_transfer_fn_idx, IDEState), |
| 1875 |
VMSTATE_INT32(elementary_transfer_size, IDEState), |
| 1876 |
VMSTATE_INT32(packet_transfer_size, IDEState), |
| 1877 |
VMSTATE_END_OF_LIST() |
| 1878 |
} |
| 1879 |
}; |
| 1880 |
|
| 1881 |
const VMStateDescription vmstate_ide_drive = {
|
| 1882 |
.name = "ide_drive",
|
| 1883 |
.version_id = 3,
|
| 1884 |
.minimum_version_id = 0,
|
| 1885 |
.minimum_version_id_old = 0,
|
| 1886 |
.post_load = ide_drive_post_load, |
| 1887 |
.fields = (VMStateField []) {
|
| 1888 |
VMSTATE_INT32(mult_sectors, IDEState), |
| 1889 |
VMSTATE_INT32(identify_set, IDEState), |
| 1890 |
VMSTATE_BUFFER_TEST(identify_data, IDEState, is_identify_set), |
| 1891 |
VMSTATE_UINT8(feature, IDEState), |
| 1892 |
VMSTATE_UINT8(error, IDEState), |
| 1893 |
VMSTATE_UINT32(nsector, IDEState), |
| 1894 |
VMSTATE_UINT8(sector, IDEState), |
| 1895 |
VMSTATE_UINT8(lcyl, IDEState), |
| 1896 |
VMSTATE_UINT8(hcyl, IDEState), |
| 1897 |
VMSTATE_UINT8(hob_feature, IDEState), |
| 1898 |
VMSTATE_UINT8(hob_sector, IDEState), |
| 1899 |
VMSTATE_UINT8(hob_nsector, IDEState), |
| 1900 |
VMSTATE_UINT8(hob_lcyl, IDEState), |
| 1901 |
VMSTATE_UINT8(hob_hcyl, IDEState), |
| 1902 |
VMSTATE_UINT8(select, IDEState), |
| 1903 |
VMSTATE_UINT8(status, IDEState), |
| 1904 |
VMSTATE_UINT8(lba48, IDEState), |
| 1905 |
VMSTATE_UINT8(sense_key, IDEState), |
| 1906 |
VMSTATE_UINT8(asc, IDEState), |
| 1907 |
VMSTATE_UINT8_V(cdrom_changed, IDEState, 3),
|
| 1908 |
VMSTATE_END_OF_LIST() |
| 1909 |
}, |
| 1910 |
.subsections = (VMStateSubsection []) {
|
| 1911 |
{
|
| 1912 |
.vmsd = &vmstate_ide_drive_pio_state, |
| 1913 |
.needed = ide_drive_pio_state_needed, |
| 1914 |
}, {
|
| 1915 |
.vmsd = &vmstate_ide_atapi_gesn_state, |
| 1916 |
.needed = ide_atapi_gesn_needed, |
| 1917 |
}, {
|
| 1918 |
/* empty */
|
| 1919 |
} |
| 1920 |
} |
| 1921 |
}; |
| 1922 |
|
| 1923 |
const VMStateDescription vmstate_ide_bus = {
|
| 1924 |
.name = "ide_bus",
|
| 1925 |
.version_id = 1,
|
| 1926 |
.minimum_version_id = 1,
|
| 1927 |
.minimum_version_id_old = 1,
|
| 1928 |
.fields = (VMStateField []) {
|
| 1929 |
VMSTATE_UINT8(cmd, IDEBus), |
| 1930 |
VMSTATE_UINT8(unit, IDEBus), |
| 1931 |
VMSTATE_END_OF_LIST() |
| 1932 |
} |
| 1933 |
}; |
| 1934 |
|
| 1935 |
void ide_drive_get(DriveInfo **hd, int max_bus) |
| 1936 |
{
|
| 1937 |
int i;
|
| 1938 |
|
| 1939 |
if (drive_get_max_bus(IF_IDE) >= max_bus) {
|
| 1940 |
fprintf(stderr, "qemu: too many IDE bus: %d\n", max_bus);
|
| 1941 |
exit(1);
|
| 1942 |
} |
| 1943 |
|
| 1944 |
for(i = 0; i < max_bus * MAX_IDE_DEVS; i++) { |
| 1945 |
hd[i] = drive_get(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS); |
| 1946 |
} |
| 1947 |
} |