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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/pci.h> |
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#include <hw/isa.h> |
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#include "qemu/error-report.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 "hw/block-common.h" |
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#include "blockdev.h" |
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#include <hw/ide/internal.h> |
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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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}; |
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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 ide_dummy_transfer_stop(IDEState *s); |
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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 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 = s->unit ? s->bus->slave : s->bus->master; |
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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), s->drive_model_str, 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 (dev && dev->conf.discard_granularity) {
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put_le16(p + 69, (1 << 14)); /* determinate TRIM behavior */ |
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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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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, 8=has WWN, 1=SMART self test, 0=SMART error logging */
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if (s->wwn) {
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put_le16(p + 84, (1 << 14) | (1 << 8) | 0); |
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} else {
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put_le16(p + 84, (1 << 14) | 0); |
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} |
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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 << 13) | (1 <<12) | (1 << 10)); |
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/* 14=set to 1, 8=has WWN, 1=SMART self test, 0=SMART error logging */
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if (s->wwn) {
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put_le16(p + 87, (1 << 14) | (1 << 8) | 0); |
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} else {
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put_le16(p + 87, (1 << 14) | 0); |
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} |
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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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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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if (s->wwn) {
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/* LE 16-bit words 111-108 contain 64-bit World Wide Name */
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put_le16(p + 108, s->wwn >> 48); |
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put_le16(p + 109, s->wwn >> 32); |
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put_le16(p + 110, s->wwn >> 16); |
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put_le16(p + 111, s->wwn);
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} |
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if (dev && dev->conf.discard_granularity) {
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put_le16(p + 169, 1); /* TRIM support */ |
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} |
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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), s->drive_model_str, 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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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 */ |
256 |
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 */ |
259 |
padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ |
260 |
put_le16(p + 22, 0x0004); /* ECC bytes */ |
261 |
padstr((char *) (p + 23), s->version, 8); /* Firmware Revision */ |
262 |
padstr((char *) (p + 27), s->drive_model_str, 40);/* Model number */ |
263 |
#if MAX_MULT_SECTORS > 1 |
264 |
put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS); |
265 |
#else
|
266 |
put_le16(p + 47, 0x0000); |
267 |
#endif
|
268 |
put_le16(p + 49, 0x0f00); /* Capabilities */ |
269 |
put_le16(p + 51, 0x0002); /* PIO cycle timing mode */ |
270 |
put_le16(p + 52, 0x0001); /* DMA cycle timing mode */ |
271 |
put_le16(p + 53, 0x0003); /* Translation params valid */ |
272 |
put_le16(p + 54, s->cylinders); /* Current cylinders */ |
273 |
put_le16(p + 55, s->heads); /* Current heads */ |
274 |
put_le16(p + 56, s->sectors); /* Current sectors */ |
275 |
put_le16(p + 57, cur_sec); /* Current capacity */ |
276 |
put_le16(p + 58, cur_sec >> 16); /* Current capacity */ |
277 |
if (s->mult_sectors) /* Multiple sector setting */ |
278 |
put_le16(p + 59, 0x100 | s->mult_sectors); |
279 |
put_le16(p + 60, s->nb_sectors); /* Total LBA sectors */ |
280 |
put_le16(p + 61, s->nb_sectors >> 16); /* Total LBA sectors */ |
281 |
put_le16(p + 63, 0x0203); /* Multiword DMA capability */ |
282 |
put_le16(p + 64, 0x0001); /* Flow Control PIO support */ |
283 |
put_le16(p + 65, 0x0096); /* Min. Multiword DMA cycle */ |
284 |
put_le16(p + 66, 0x0096); /* Rec. Multiword DMA cycle */ |
285 |
put_le16(p + 68, 0x00b4); /* Min. PIO cycle time */ |
286 |
put_le16(p + 82, 0x400c); /* Command Set supported */ |
287 |
put_le16(p + 83, 0x7068); /* Command Set supported */ |
288 |
put_le16(p + 84, 0x4000); /* Features supported */ |
289 |
put_le16(p + 85, 0x000c); /* Command Set enabled */ |
290 |
put_le16(p + 86, 0x7044); /* Command Set enabled */ |
291 |
put_le16(p + 87, 0x4000); /* Features enabled */ |
292 |
put_le16(p + 91, 0x4060); /* Current APM level */ |
293 |
put_le16(p + 129, 0x0002); /* Current features option */ |
294 |
put_le16(p + 130, 0x0005); /* Reassigned sectors */ |
295 |
put_le16(p + 131, 0x0001); /* Initial power mode */ |
296 |
put_le16(p + 132, 0x0000); /* User signature */ |
297 |
put_le16(p + 160, 0x8100); /* Power requirement */ |
298 |
put_le16(p + 161, 0x8001); /* CF command set */ |
299 |
|
300 |
s->identify_set = 1;
|
301 |
|
302 |
fill_buffer:
|
303 |
memcpy(s->io_buffer, p, sizeof(s->identify_data));
|
304 |
} |
305 |
|
306 |
static void ide_set_signature(IDEState *s) |
307 |
{ |
308 |
s->select &= 0xf0; /* clear head */ |
309 |
/* put signature */
|
310 |
s->nsector = 1;
|
311 |
s->sector = 1;
|
312 |
if (s->drive_kind == IDE_CD) {
|
313 |
s->lcyl = 0x14;
|
314 |
s->hcyl = 0xeb;
|
315 |
} else if (s->bs) { |
316 |
s->lcyl = 0;
|
317 |
s->hcyl = 0;
|
318 |
} else {
|
319 |
s->lcyl = 0xff;
|
320 |
s->hcyl = 0xff;
|
321 |
} |
322 |
} |
323 |
|
324 |
typedef struct TrimAIOCB { |
325 |
BlockDriverAIOCB common; |
326 |
QEMUBH *bh; |
327 |
int ret;
|
328 |
} TrimAIOCB; |
329 |
|
330 |
static void trim_aio_cancel(BlockDriverAIOCB *acb) |
331 |
{ |
332 |
TrimAIOCB *iocb = container_of(acb, TrimAIOCB, common); |
333 |
|
334 |
qemu_bh_delete(iocb->bh); |
335 |
iocb->bh = NULL;
|
336 |
qemu_aio_release(iocb); |
337 |
} |
338 |
|
339 |
static const AIOCBInfo trim_aiocb_info = { |
340 |
.aiocb_size = sizeof(TrimAIOCB),
|
341 |
.cancel = trim_aio_cancel, |
342 |
}; |
343 |
|
344 |
static void ide_trim_bh_cb(void *opaque) |
345 |
{ |
346 |
TrimAIOCB *iocb = opaque; |
347 |
|
348 |
iocb->common.cb(iocb->common.opaque, iocb->ret); |
349 |
|
350 |
qemu_bh_delete(iocb->bh); |
351 |
iocb->bh = NULL;
|
352 |
|
353 |
qemu_aio_release(iocb); |
354 |
} |
355 |
|
356 |
BlockDriverAIOCB *ide_issue_trim(BlockDriverState *bs, |
357 |
int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
|
358 |
BlockDriverCompletionFunc *cb, void *opaque)
|
359 |
{ |
360 |
TrimAIOCB *iocb; |
361 |
int i, j, ret;
|
362 |
|
363 |
iocb = qemu_aio_get(&trim_aiocb_info, bs, cb, opaque); |
364 |
iocb->bh = qemu_bh_new(ide_trim_bh_cb, iocb); |
365 |
iocb->ret = 0;
|
366 |
|
367 |
for (j = 0; j < qiov->niov; j++) { |
368 |
uint64_t *buffer = qiov->iov[j].iov_base; |
369 |
|
370 |
for (i = 0; i < qiov->iov[j].iov_len / 8; i++) { |
371 |
/* 6-byte LBA + 2-byte range per entry */
|
372 |
uint64_t entry = le64_to_cpu(buffer[i]); |
373 |
uint64_t sector = entry & 0x0000ffffffffffffULL;
|
374 |
uint16_t count = entry >> 48;
|
375 |
|
376 |
if (count == 0) { |
377 |
break;
|
378 |
} |
379 |
|
380 |
ret = bdrv_discard(bs, sector, count); |
381 |
if (!iocb->ret) {
|
382 |
iocb->ret = ret; |
383 |
} |
384 |
} |
385 |
} |
386 |
|
387 |
qemu_bh_schedule(iocb->bh); |
388 |
|
389 |
return &iocb->common;
|
390 |
} |
391 |
|
392 |
static inline void ide_abort_command(IDEState *s) |
393 |
{ |
394 |
s->status = READY_STAT | ERR_STAT; |
395 |
s->error = ABRT_ERR; |
396 |
} |
397 |
|
398 |
/* prepare data transfer and tell what to do after */
|
399 |
void ide_transfer_start(IDEState *s, uint8_t *buf, int size, |
400 |
EndTransferFunc *end_transfer_func) |
401 |
{ |
402 |
s->end_transfer_func = end_transfer_func; |
403 |
s->data_ptr = buf; |
404 |
s->data_end = buf + size; |
405 |
if (!(s->status & ERR_STAT)) {
|
406 |
s->status |= DRQ_STAT; |
407 |
} |
408 |
s->bus->dma->ops->start_transfer(s->bus->dma); |
409 |
} |
410 |
|
411 |
void ide_transfer_stop(IDEState *s)
|
412 |
{ |
413 |
s->end_transfer_func = ide_transfer_stop; |
414 |
s->data_ptr = s->io_buffer; |
415 |
s->data_end = s->io_buffer; |
416 |
s->status &= ~DRQ_STAT; |
417 |
} |
418 |
|
419 |
int64_t ide_get_sector(IDEState *s) |
420 |
{ |
421 |
int64_t sector_num; |
422 |
if (s->select & 0x40) { |
423 |
/* lba */
|
424 |
if (!s->lba48) {
|
425 |
sector_num = ((s->select & 0x0f) << 24) | (s->hcyl << 16) | |
426 |
(s->lcyl << 8) | s->sector;
|
427 |
} else {
|
428 |
sector_num = ((int64_t)s->hob_hcyl << 40) |
|
429 |
((int64_t) s->hob_lcyl << 32) |
|
430 |
((int64_t) s->hob_sector << 24) |
|
431 |
((int64_t) s->hcyl << 16) |
|
432 |
((int64_t) s->lcyl << 8) | s->sector;
|
433 |
} |
434 |
} else {
|
435 |
sector_num = ((s->hcyl << 8) | s->lcyl) * s->heads * s->sectors +
|
436 |
(s->select & 0x0f) * s->sectors + (s->sector - 1); |
437 |
} |
438 |
return sector_num;
|
439 |
} |
440 |
|
441 |
void ide_set_sector(IDEState *s, int64_t sector_num)
|
442 |
{ |
443 |
unsigned int cyl, r; |
444 |
if (s->select & 0x40) { |
445 |
if (!s->lba48) {
|
446 |
s->select = (s->select & 0xf0) | (sector_num >> 24); |
447 |
s->hcyl = (sector_num >> 16);
|
448 |
s->lcyl = (sector_num >> 8);
|
449 |
s->sector = (sector_num); |
450 |
} else {
|
451 |
s->sector = sector_num; |
452 |
s->lcyl = sector_num >> 8;
|
453 |
s->hcyl = sector_num >> 16;
|
454 |
s->hob_sector = sector_num >> 24;
|
455 |
s->hob_lcyl = sector_num >> 32;
|
456 |
s->hob_hcyl = sector_num >> 40;
|
457 |
} |
458 |
} else {
|
459 |
cyl = sector_num / (s->heads * s->sectors); |
460 |
r = sector_num % (s->heads * s->sectors); |
461 |
s->hcyl = cyl >> 8;
|
462 |
s->lcyl = cyl; |
463 |
s->select = (s->select & 0xf0) | ((r / s->sectors) & 0x0f); |
464 |
s->sector = (r % s->sectors) + 1;
|
465 |
} |
466 |
} |
467 |
|
468 |
static void ide_rw_error(IDEState *s) { |
469 |
ide_abort_command(s); |
470 |
ide_set_irq(s->bus); |
471 |
} |
472 |
|
473 |
static void ide_sector_read_cb(void *opaque, int ret) |
474 |
{ |
475 |
IDEState *s = opaque; |
476 |
int n;
|
477 |
|
478 |
s->pio_aiocb = NULL;
|
479 |
s->status &= ~BUSY_STAT; |
480 |
|
481 |
bdrv_acct_done(s->bs, &s->acct); |
482 |
if (ret != 0) { |
483 |
if (ide_handle_rw_error(s, -ret, BM_STATUS_PIO_RETRY |
|
484 |
BM_STATUS_RETRY_READ)) { |
485 |
return;
|
486 |
} |
487 |
} |
488 |
|
489 |
n = s->nsector; |
490 |
if (n > s->req_nb_sectors) {
|
491 |
n = s->req_nb_sectors; |
492 |
} |
493 |
|
494 |
/* Allow the guest to read the io_buffer */
|
495 |
ide_transfer_start(s, s->io_buffer, n * BDRV_SECTOR_SIZE, ide_sector_read); |
496 |
|
497 |
ide_set_irq(s->bus); |
498 |
|
499 |
ide_set_sector(s, ide_get_sector(s) + n); |
500 |
s->nsector -= n; |
501 |
} |
502 |
|
503 |
void ide_sector_read(IDEState *s)
|
504 |
{ |
505 |
int64_t sector_num; |
506 |
int n;
|
507 |
|
508 |
s->status = READY_STAT | SEEK_STAT; |
509 |
s->error = 0; /* not needed by IDE spec, but needed by Windows */ |
510 |
sector_num = ide_get_sector(s); |
511 |
n = s->nsector; |
512 |
|
513 |
if (n == 0) { |
514 |
ide_transfer_stop(s); |
515 |
return;
|
516 |
} |
517 |
|
518 |
s->status |= BUSY_STAT; |
519 |
|
520 |
if (n > s->req_nb_sectors) {
|
521 |
n = s->req_nb_sectors; |
522 |
} |
523 |
|
524 |
#if defined(DEBUG_IDE)
|
525 |
printf("sector=%" PRId64 "\n", sector_num); |
526 |
#endif
|
527 |
|
528 |
s->iov.iov_base = s->io_buffer; |
529 |
s->iov.iov_len = n * BDRV_SECTOR_SIZE; |
530 |
qemu_iovec_init_external(&s->qiov, &s->iov, 1);
|
531 |
|
532 |
bdrv_acct_start(s->bs, &s->acct, n * BDRV_SECTOR_SIZE, BDRV_ACCT_READ); |
533 |
s->pio_aiocb = bdrv_aio_readv(s->bs, sector_num, &s->qiov, n, |
534 |
ide_sector_read_cb, s); |
535 |
} |
536 |
|
537 |
static void dma_buf_commit(IDEState *s) |
538 |
{ |
539 |
qemu_sglist_destroy(&s->sg); |
540 |
} |
541 |
|
542 |
void ide_set_inactive(IDEState *s)
|
543 |
{ |
544 |
s->bus->dma->aiocb = NULL;
|
545 |
s->bus->dma->ops->set_inactive(s->bus->dma); |
546 |
} |
547 |
|
548 |
void ide_dma_error(IDEState *s)
|
549 |
{ |
550 |
ide_transfer_stop(s); |
551 |
s->error = ABRT_ERR; |
552 |
s->status = READY_STAT | ERR_STAT; |
553 |
ide_set_inactive(s); |
554 |
ide_set_irq(s->bus); |
555 |
} |
556 |
|
557 |
static int ide_handle_rw_error(IDEState *s, int error, int op) |
558 |
{ |
559 |
bool is_read = (op & BM_STATUS_RETRY_READ) != 0; |
560 |
BlockErrorAction action = bdrv_get_error_action(s->bs, is_read, error); |
561 |
|
562 |
if (action == BDRV_ACTION_STOP) {
|
563 |
s->bus->dma->ops->set_unit(s->bus->dma, s->unit); |
564 |
s->bus->error_status = op; |
565 |
} else if (action == BDRV_ACTION_REPORT) { |
566 |
if (op & BM_STATUS_DMA_RETRY) {
|
567 |
dma_buf_commit(s); |
568 |
ide_dma_error(s); |
569 |
} else {
|
570 |
ide_rw_error(s); |
571 |
} |
572 |
} |
573 |
bdrv_error_action(s->bs, action, is_read, error); |
574 |
return action != BDRV_ACTION_IGNORE;
|
575 |
} |
576 |
|
577 |
void ide_dma_cb(void *opaque, int ret) |
578 |
{ |
579 |
IDEState *s = opaque; |
580 |
int n;
|
581 |
int64_t sector_num; |
582 |
bool stay_active = false; |
583 |
|
584 |
if (ret < 0) { |
585 |
int op = BM_STATUS_DMA_RETRY;
|
586 |
|
587 |
if (s->dma_cmd == IDE_DMA_READ)
|
588 |
op |= BM_STATUS_RETRY_READ; |
589 |
else if (s->dma_cmd == IDE_DMA_TRIM) |
590 |
op |= BM_STATUS_RETRY_TRIM; |
591 |
|
592 |
if (ide_handle_rw_error(s, -ret, op)) {
|
593 |
return;
|
594 |
} |
595 |
} |
596 |
|
597 |
n = s->io_buffer_size >> 9;
|
598 |
if (n > s->nsector) {
|
599 |
/* The PRDs were longer than needed for this request. Shorten them so
|
600 |
* we don't get a negative remainder. The Active bit must remain set
|
601 |
* after the request completes. */
|
602 |
n = s->nsector; |
603 |
stay_active = true;
|
604 |
} |
605 |
|
606 |
sector_num = ide_get_sector(s); |
607 |
if (n > 0) { |
608 |
dma_buf_commit(s); |
609 |
sector_num += n; |
610 |
ide_set_sector(s, sector_num); |
611 |
s->nsector -= n; |
612 |
} |
613 |
|
614 |
/* end of transfer ? */
|
615 |
if (s->nsector == 0) { |
616 |
s->status = READY_STAT | SEEK_STAT; |
617 |
ide_set_irq(s->bus); |
618 |
goto eot;
|
619 |
} |
620 |
|
621 |
/* launch next transfer */
|
622 |
n = s->nsector; |
623 |
s->io_buffer_index = 0;
|
624 |
s->io_buffer_size = n * 512;
|
625 |
if (s->bus->dma->ops->prepare_buf(s->bus->dma, ide_cmd_is_read(s)) == 0) { |
626 |
/* The PRDs were too short. Reset the Active bit, but don't raise an
|
627 |
* interrupt. */
|
628 |
s->status = READY_STAT | SEEK_STAT; |
629 |
goto eot;
|
630 |
} |
631 |
|
632 |
#ifdef DEBUG_AIO
|
633 |
printf("ide_dma_cb: sector_num=%" PRId64 " n=%d, cmd_cmd=%d\n", |
634 |
sector_num, n, s->dma_cmd); |
635 |
#endif
|
636 |
|
637 |
switch (s->dma_cmd) {
|
638 |
case IDE_DMA_READ:
|
639 |
s->bus->dma->aiocb = dma_bdrv_read(s->bs, &s->sg, sector_num, |
640 |
ide_dma_cb, s); |
641 |
break;
|
642 |
case IDE_DMA_WRITE:
|
643 |
s->bus->dma->aiocb = dma_bdrv_write(s->bs, &s->sg, sector_num, |
644 |
ide_dma_cb, s); |
645 |
break;
|
646 |
case IDE_DMA_TRIM:
|
647 |
s->bus->dma->aiocb = dma_bdrv_io(s->bs, &s->sg, sector_num, |
648 |
ide_issue_trim, ide_dma_cb, s, |
649 |
DMA_DIRECTION_TO_DEVICE); |
650 |
break;
|
651 |
} |
652 |
return;
|
653 |
|
654 |
eot:
|
655 |
if (s->dma_cmd == IDE_DMA_READ || s->dma_cmd == IDE_DMA_WRITE) {
|
656 |
bdrv_acct_done(s->bs, &s->acct); |
657 |
} |
658 |
ide_set_inactive(s); |
659 |
if (stay_active) {
|
660 |
s->bus->dma->ops->add_status(s->bus->dma, BM_STATUS_DMAING); |
661 |
} |
662 |
} |
663 |
|
664 |
static void ide_sector_start_dma(IDEState *s, enum ide_dma_cmd dma_cmd) |
665 |
{ |
666 |
s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; |
667 |
s->io_buffer_index = 0;
|
668 |
s->io_buffer_size = 0;
|
669 |
s->dma_cmd = dma_cmd; |
670 |
|
671 |
switch (dma_cmd) {
|
672 |
case IDE_DMA_READ:
|
673 |
bdrv_acct_start(s->bs, &s->acct, s->nsector * BDRV_SECTOR_SIZE, |
674 |
BDRV_ACCT_READ); |
675 |
break;
|
676 |
case IDE_DMA_WRITE:
|
677 |
bdrv_acct_start(s->bs, &s->acct, s->nsector * BDRV_SECTOR_SIZE, |
678 |
BDRV_ACCT_WRITE); |
679 |
break;
|
680 |
default:
|
681 |
break;
|
682 |
} |
683 |
|
684 |
s->bus->dma->ops->start_dma(s->bus->dma, s, ide_dma_cb); |
685 |
} |
686 |
|
687 |
static void ide_sector_write_timer_cb(void *opaque) |
688 |
{ |
689 |
IDEState *s = opaque; |
690 |
ide_set_irq(s->bus); |
691 |
} |
692 |
|
693 |
static void ide_sector_write_cb(void *opaque, int ret) |
694 |
{ |
695 |
IDEState *s = opaque; |
696 |
int n;
|
697 |
|
698 |
bdrv_acct_done(s->bs, &s->acct); |
699 |
|
700 |
s->pio_aiocb = NULL;
|
701 |
s->status &= ~BUSY_STAT; |
702 |
|
703 |
if (ret != 0) { |
704 |
if (ide_handle_rw_error(s, -ret, BM_STATUS_PIO_RETRY)) {
|
705 |
return;
|
706 |
} |
707 |
} |
708 |
|
709 |
n = s->nsector; |
710 |
if (n > s->req_nb_sectors) {
|
711 |
n = s->req_nb_sectors; |
712 |
} |
713 |
s->nsector -= n; |
714 |
if (s->nsector == 0) { |
715 |
/* no more sectors to write */
|
716 |
ide_transfer_stop(s); |
717 |
} else {
|
718 |
int n1 = s->nsector;
|
719 |
if (n1 > s->req_nb_sectors) {
|
720 |
n1 = s->req_nb_sectors; |
721 |
} |
722 |
ide_transfer_start(s, s->io_buffer, n1 * BDRV_SECTOR_SIZE, |
723 |
ide_sector_write); |
724 |
} |
725 |
ide_set_sector(s, ide_get_sector(s) + n); |
726 |
|
727 |
if (win2k_install_hack && ((++s->irq_count % 16) == 0)) { |
728 |
/* It seems there is a bug in the Windows 2000 installer HDD
|
729 |
IDE driver which fills the disk with empty logs when the
|
730 |
IDE write IRQ comes too early. This hack tries to correct
|
731 |
that at the expense of slower write performances. Use this
|
732 |
option _only_ to install Windows 2000. You must disable it
|
733 |
for normal use. */
|
734 |
qemu_mod_timer(s->sector_write_timer, |
735 |
qemu_get_clock_ns(vm_clock) + (get_ticks_per_sec() / 1000));
|
736 |
} else {
|
737 |
ide_set_irq(s->bus); |
738 |
} |
739 |
} |
740 |
|
741 |
void ide_sector_write(IDEState *s)
|
742 |
{ |
743 |
int64_t sector_num; |
744 |
int n;
|
745 |
|
746 |
s->status = READY_STAT | SEEK_STAT | BUSY_STAT; |
747 |
sector_num = ide_get_sector(s); |
748 |
#if defined(DEBUG_IDE)
|
749 |
printf("sector=%" PRId64 "\n", sector_num); |
750 |
#endif
|
751 |
n = s->nsector; |
752 |
if (n > s->req_nb_sectors) {
|
753 |
n = s->req_nb_sectors; |
754 |
} |
755 |
|
756 |
s->iov.iov_base = s->io_buffer; |
757 |
s->iov.iov_len = n * BDRV_SECTOR_SIZE; |
758 |
qemu_iovec_init_external(&s->qiov, &s->iov, 1);
|
759 |
|
760 |
bdrv_acct_start(s->bs, &s->acct, n * BDRV_SECTOR_SIZE, BDRV_ACCT_READ); |
761 |
s->pio_aiocb = bdrv_aio_writev(s->bs, sector_num, &s->qiov, n, |
762 |
ide_sector_write_cb, s); |
763 |
} |
764 |
|
765 |
static void ide_flush_cb(void *opaque, int ret) |
766 |
{ |
767 |
IDEState *s = opaque; |
768 |
|
769 |
if (ret < 0) { |
770 |
/* XXX: What sector number to set here? */
|
771 |
if (ide_handle_rw_error(s, -ret, BM_STATUS_RETRY_FLUSH)) {
|
772 |
return;
|
773 |
} |
774 |
} |
775 |
|
776 |
bdrv_acct_done(s->bs, &s->acct); |
777 |
s->status = READY_STAT | SEEK_STAT; |
778 |
ide_set_irq(s->bus); |
779 |
} |
780 |
|
781 |
void ide_flush_cache(IDEState *s)
|
782 |
{ |
783 |
if (s->bs == NULL) { |
784 |
ide_flush_cb(s, 0);
|
785 |
return;
|
786 |
} |
787 |
|
788 |
bdrv_acct_start(s->bs, &s->acct, 0, BDRV_ACCT_FLUSH);
|
789 |
bdrv_aio_flush(s->bs, ide_flush_cb, s); |
790 |
} |
791 |
|
792 |
static void ide_cfata_metadata_inquiry(IDEState *s) |
793 |
{ |
794 |
uint16_t *p; |
795 |
uint32_t spd; |
796 |
|
797 |
p = (uint16_t *) s->io_buffer; |
798 |
memset(p, 0, 0x200); |
799 |
spd = ((s->mdata_size - 1) >> 9) + 1; |
800 |
|
801 |
put_le16(p + 0, 0x0001); /* Data format revision */ |
802 |
put_le16(p + 1, 0x0000); /* Media property: silicon */ |
803 |
put_le16(p + 2, s->media_changed); /* Media status */ |
804 |
put_le16(p + 3, s->mdata_size & 0xffff); /* Capacity in bytes (low) */ |
805 |
put_le16(p + 4, s->mdata_size >> 16); /* Capacity in bytes (high) */ |
806 |
put_le16(p + 5, spd & 0xffff); /* Sectors per device (low) */ |
807 |
put_le16(p + 6, spd >> 16); /* Sectors per device (high) */ |
808 |
} |
809 |
|
810 |
static void ide_cfata_metadata_read(IDEState *s) |
811 |
{ |
812 |
uint16_t *p; |
813 |
|
814 |
if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) { |
815 |
s->status = ERR_STAT; |
816 |
s->error = ABRT_ERR; |
817 |
return;
|
818 |
} |
819 |
|
820 |
p = (uint16_t *) s->io_buffer; |
821 |
memset(p, 0, 0x200); |
822 |
|
823 |
put_le16(p + 0, s->media_changed); /* Media status */ |
824 |
memcpy(p + 1, s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9), |
825 |
MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9), |
826 |
s->nsector << 9), 0x200 - 2)); |
827 |
} |
828 |
|
829 |
static void ide_cfata_metadata_write(IDEState *s) |
830 |
{ |
831 |
if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) { |
832 |
s->status = ERR_STAT; |
833 |
s->error = ABRT_ERR; |
834 |
return;
|
835 |
} |
836 |
|
837 |
s->media_changed = 0;
|
838 |
|
839 |
memcpy(s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9), |
840 |
s->io_buffer + 2,
|
841 |
MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9), |
842 |
s->nsector << 9), 0x200 - 2)); |
843 |
} |
844 |
|
845 |
/* called when the inserted state of the media has changed */
|
846 |
static void ide_cd_change_cb(void *opaque, bool load) |
847 |
{ |
848 |
IDEState *s = opaque; |
849 |
uint64_t nb_sectors; |
850 |
|
851 |
s->tray_open = !load; |
852 |
bdrv_get_geometry(s->bs, &nb_sectors); |
853 |
s->nb_sectors = nb_sectors; |
854 |
|
855 |
/*
|
856 |
* First indicate to the guest that a CD has been removed. That's
|
857 |
* done on the next command the guest sends us.
|
858 |
*
|
859 |
* Then we set UNIT_ATTENTION, by which the guest will
|
860 |
* detect a new CD in the drive. See ide_atapi_cmd() for details.
|
861 |
*/
|
862 |
s->cdrom_changed = 1;
|
863 |
s->events.new_media = true;
|
864 |
s->events.eject_request = false;
|
865 |
ide_set_irq(s->bus); |
866 |
} |
867 |
|
868 |
static void ide_cd_eject_request_cb(void *opaque, bool force) |
869 |
{ |
870 |
IDEState *s = opaque; |
871 |
|
872 |
s->events.eject_request = true;
|
873 |
if (force) {
|
874 |
s->tray_locked = false;
|
875 |
} |
876 |
ide_set_irq(s->bus); |
877 |
} |
878 |
|
879 |
static void ide_cmd_lba48_transform(IDEState *s, int lba48) |
880 |
{ |
881 |
s->lba48 = lba48; |
882 |
|
883 |
/* handle the 'magic' 0 nsector count conversion here. to avoid
|
884 |
* fiddling with the rest of the read logic, we just store the
|
885 |
* full sector count in ->nsector and ignore ->hob_nsector from now
|
886 |
*/
|
887 |
if (!s->lba48) {
|
888 |
if (!s->nsector)
|
889 |
s->nsector = 256;
|
890 |
} else {
|
891 |
if (!s->nsector && !s->hob_nsector)
|
892 |
s->nsector = 65536;
|
893 |
else {
|
894 |
int lo = s->nsector;
|
895 |
int hi = s->hob_nsector;
|
896 |
|
897 |
s->nsector = (hi << 8) | lo;
|
898 |
} |
899 |
} |
900 |
} |
901 |
|
902 |
static void ide_clear_hob(IDEBus *bus) |
903 |
{ |
904 |
/* any write clears HOB high bit of device control register */
|
905 |
bus->ifs[0].select &= ~(1 << 7); |
906 |
bus->ifs[1].select &= ~(1 << 7); |
907 |
} |
908 |
|
909 |
void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val) |
910 |
{ |
911 |
IDEBus *bus = opaque; |
912 |
|
913 |
#ifdef DEBUG_IDE
|
914 |
printf("IDE: write addr=0x%x val=0x%02x\n", addr, val);
|
915 |
#endif
|
916 |
|
917 |
addr &= 7;
|
918 |
|
919 |
/* ignore writes to command block while busy with previous command */
|
920 |
if (addr != 7 && (idebus_active_if(bus)->status & (BUSY_STAT|DRQ_STAT))) |
921 |
return;
|
922 |
|
923 |
switch(addr) {
|
924 |
case 0: |
925 |
break;
|
926 |
case 1: |
927 |
ide_clear_hob(bus); |
928 |
/* NOTE: data is written to the two drives */
|
929 |
bus->ifs[0].hob_feature = bus->ifs[0].feature; |
930 |
bus->ifs[1].hob_feature = bus->ifs[1].feature; |
931 |
bus->ifs[0].feature = val;
|
932 |
bus->ifs[1].feature = val;
|
933 |
break;
|
934 |
case 2: |
935 |
ide_clear_hob(bus); |
936 |
bus->ifs[0].hob_nsector = bus->ifs[0].nsector; |
937 |
bus->ifs[1].hob_nsector = bus->ifs[1].nsector; |
938 |
bus->ifs[0].nsector = val;
|
939 |
bus->ifs[1].nsector = val;
|
940 |
break;
|
941 |
case 3: |
942 |
ide_clear_hob(bus); |
943 |
bus->ifs[0].hob_sector = bus->ifs[0].sector; |
944 |
bus->ifs[1].hob_sector = bus->ifs[1].sector; |
945 |
bus->ifs[0].sector = val;
|
946 |
bus->ifs[1].sector = val;
|
947 |
break;
|
948 |
case 4: |
949 |
ide_clear_hob(bus); |
950 |
bus->ifs[0].hob_lcyl = bus->ifs[0].lcyl; |
951 |
bus->ifs[1].hob_lcyl = bus->ifs[1].lcyl; |
952 |
bus->ifs[0].lcyl = val;
|
953 |
bus->ifs[1].lcyl = val;
|
954 |
break;
|
955 |
case 5: |
956 |
ide_clear_hob(bus); |
957 |
bus->ifs[0].hob_hcyl = bus->ifs[0].hcyl; |
958 |
bus->ifs[1].hob_hcyl = bus->ifs[1].hcyl; |
959 |
bus->ifs[0].hcyl = val;
|
960 |
bus->ifs[1].hcyl = val;
|
961 |
break;
|
962 |
case 6: |
963 |
/* FIXME: HOB readback uses bit 7 */
|
964 |
bus->ifs[0].select = (val & ~0x10) | 0xa0; |
965 |
bus->ifs[1].select = (val | 0x10) | 0xa0; |
966 |
/* select drive */
|
967 |
bus->unit = (val >> 4) & 1; |
968 |
break;
|
969 |
default:
|
970 |
case 7: |
971 |
/* command */
|
972 |
ide_exec_cmd(bus, val); |
973 |
break;
|
974 |
} |
975 |
} |
976 |
|
977 |
#define HD_OK (1u << IDE_HD) |
978 |
#define CD_OK (1u << IDE_CD) |
979 |
#define CFA_OK (1u << IDE_CFATA) |
980 |
#define HD_CFA_OK (HD_OK | CFA_OK)
|
981 |
#define ALL_OK (HD_OK | CD_OK | CFA_OK)
|
982 |
|
983 |
/* See ACS-2 T13/2015-D Table B.2 Command codes */
|
984 |
static const uint8_t ide_cmd_table[0x100] = { |
985 |
/* NOP not implemented, mandatory for CD */
|
986 |
[CFA_REQ_EXT_ERROR_CODE] = CFA_OK, |
987 |
[WIN_DSM] = ALL_OK, |
988 |
[WIN_DEVICE_RESET] = CD_OK, |
989 |
[WIN_RECAL] = HD_CFA_OK, |
990 |
[WIN_READ] = ALL_OK, |
991 |
[WIN_READ_ONCE] = ALL_OK, |
992 |
[WIN_READ_EXT] = HD_CFA_OK, |
993 |
[WIN_READDMA_EXT] = HD_CFA_OK, |
994 |
[WIN_READ_NATIVE_MAX_EXT] = HD_CFA_OK, |
995 |
[WIN_MULTREAD_EXT] = HD_CFA_OK, |
996 |
[WIN_WRITE] = HD_CFA_OK, |
997 |
[WIN_WRITE_ONCE] = HD_CFA_OK, |
998 |
[WIN_WRITE_EXT] = HD_CFA_OK, |
999 |
[WIN_WRITEDMA_EXT] = HD_CFA_OK, |
1000 |
[CFA_WRITE_SECT_WO_ERASE] = CFA_OK, |
1001 |
[WIN_MULTWRITE_EXT] = HD_CFA_OK, |
1002 |
[WIN_WRITE_VERIFY] = HD_CFA_OK, |
1003 |
[WIN_VERIFY] = HD_CFA_OK, |
1004 |
[WIN_VERIFY_ONCE] = HD_CFA_OK, |
1005 |
[WIN_VERIFY_EXT] = HD_CFA_OK, |
1006 |
[WIN_SEEK] = HD_CFA_OK, |
1007 |
[CFA_TRANSLATE_SECTOR] = CFA_OK, |
1008 |
[WIN_DIAGNOSE] = ALL_OK, |
1009 |
[WIN_SPECIFY] = HD_CFA_OK, |
1010 |
[WIN_STANDBYNOW2] = ALL_OK, |
1011 |
[WIN_IDLEIMMEDIATE2] = ALL_OK, |
1012 |
[WIN_STANDBY2] = ALL_OK, |
1013 |
[WIN_SETIDLE2] = ALL_OK, |
1014 |
[WIN_CHECKPOWERMODE2] = ALL_OK, |
1015 |
[WIN_SLEEPNOW2] = ALL_OK, |
1016 |
[WIN_PACKETCMD] = CD_OK, |
1017 |
[WIN_PIDENTIFY] = CD_OK, |
1018 |
[WIN_SMART] = HD_CFA_OK, |
1019 |
[CFA_ACCESS_METADATA_STORAGE] = CFA_OK, |
1020 |
[CFA_ERASE_SECTORS] = CFA_OK, |
1021 |
[WIN_MULTREAD] = HD_CFA_OK, |
1022 |
[WIN_MULTWRITE] = HD_CFA_OK, |
1023 |
[WIN_SETMULT] = HD_CFA_OK, |
1024 |
[WIN_READDMA] = HD_CFA_OK, |
1025 |
[WIN_READDMA_ONCE] = HD_CFA_OK, |
1026 |
[WIN_WRITEDMA] = HD_CFA_OK, |
1027 |
[WIN_WRITEDMA_ONCE] = HD_CFA_OK, |
1028 |
[CFA_WRITE_MULTI_WO_ERASE] = CFA_OK, |
1029 |
[WIN_STANDBYNOW1] = ALL_OK, |
1030 |
[WIN_IDLEIMMEDIATE] = ALL_OK, |
1031 |
[WIN_STANDBY] = ALL_OK, |
1032 |
[WIN_SETIDLE1] = ALL_OK, |
1033 |
[WIN_CHECKPOWERMODE1] = ALL_OK, |
1034 |
[WIN_SLEEPNOW1] = ALL_OK, |
1035 |
[WIN_FLUSH_CACHE] = ALL_OK, |
1036 |
[WIN_FLUSH_CACHE_EXT] = HD_CFA_OK, |
1037 |
[WIN_IDENTIFY] = ALL_OK, |
1038 |
[WIN_SETFEATURES] = ALL_OK, |
1039 |
[IBM_SENSE_CONDITION] = CFA_OK, |
1040 |
[CFA_WEAR_LEVEL] = HD_CFA_OK, |
1041 |
[WIN_READ_NATIVE_MAX] = ALL_OK, |
1042 |
}; |
1043 |
|
1044 |
static bool ide_cmd_permitted(IDEState *s, uint32_t cmd) |
1045 |
{ |
1046 |
return cmd < ARRAY_SIZE(ide_cmd_table)
|
1047 |
&& (ide_cmd_table[cmd] & (1u << s->drive_kind));
|
1048 |
} |
1049 |
|
1050 |
void ide_exec_cmd(IDEBus *bus, uint32_t val)
|
1051 |
{ |
1052 |
uint16_t *identify_data; |
1053 |
IDEState *s; |
1054 |
int n;
|
1055 |
int lba48 = 0; |
1056 |
|
1057 |
#if defined(DEBUG_IDE)
|
1058 |
printf("ide: CMD=%02x\n", val);
|
1059 |
#endif
|
1060 |
s = idebus_active_if(bus); |
1061 |
/* ignore commands to non existent slave */
|
1062 |
if (s != bus->ifs && !s->bs)
|
1063 |
return;
|
1064 |
|
1065 |
/* Only DEVICE RESET is allowed while BSY or/and DRQ are set */
|
1066 |
if ((s->status & (BUSY_STAT|DRQ_STAT)) && val != WIN_DEVICE_RESET)
|
1067 |
return;
|
1068 |
|
1069 |
if (!ide_cmd_permitted(s, val)) {
|
1070 |
goto abort_cmd;
|
1071 |
} |
1072 |
|
1073 |
switch(val) {
|
1074 |
case WIN_DSM:
|
1075 |
switch (s->feature) {
|
1076 |
case DSM_TRIM:
|
1077 |
if (!s->bs) {
|
1078 |
goto abort_cmd;
|
1079 |
} |
1080 |
ide_sector_start_dma(s, IDE_DMA_TRIM); |
1081 |
break;
|
1082 |
default:
|
1083 |
goto abort_cmd;
|
1084 |
} |
1085 |
break;
|
1086 |
case WIN_IDENTIFY:
|
1087 |
if (s->bs && s->drive_kind != IDE_CD) {
|
1088 |
if (s->drive_kind != IDE_CFATA)
|
1089 |
ide_identify(s); |
1090 |
else
|
1091 |
ide_cfata_identify(s); |
1092 |
s->status = READY_STAT | SEEK_STAT; |
1093 |
ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop);
|
1094 |
} else {
|
1095 |
if (s->drive_kind == IDE_CD) {
|
1096 |
ide_set_signature(s); |
1097 |
} |
1098 |
ide_abort_command(s); |
1099 |
} |
1100 |
ide_set_irq(s->bus); |
1101 |
break;
|
1102 |
case WIN_SPECIFY:
|
1103 |
case WIN_RECAL:
|
1104 |
s->error = 0;
|
1105 |
s->status = READY_STAT | SEEK_STAT; |
1106 |
ide_set_irq(s->bus); |
1107 |
break;
|
1108 |
case WIN_SETMULT:
|
1109 |
if (s->drive_kind == IDE_CFATA && s->nsector == 0) { |
1110 |
/* Disable Read and Write Multiple */
|
1111 |
s->mult_sectors = 0;
|
1112 |
s->status = READY_STAT | SEEK_STAT; |
1113 |
} else if ((s->nsector & 0xff) != 0 && |
1114 |
((s->nsector & 0xff) > MAX_MULT_SECTORS ||
|
1115 |
(s->nsector & (s->nsector - 1)) != 0)) { |
1116 |
ide_abort_command(s); |
1117 |
} else {
|
1118 |
s->mult_sectors = s->nsector & 0xff;
|
1119 |
s->status = READY_STAT | SEEK_STAT; |
1120 |
} |
1121 |
ide_set_irq(s->bus); |
1122 |
break;
|
1123 |
case WIN_VERIFY_EXT:
|
1124 |
lba48 = 1;
|
1125 |
case WIN_VERIFY:
|
1126 |
case WIN_VERIFY_ONCE:
|
1127 |
/* do sector number check ? */
|
1128 |
ide_cmd_lba48_transform(s, lba48); |
1129 |
s->status = READY_STAT | SEEK_STAT; |
1130 |
ide_set_irq(s->bus); |
1131 |
break;
|
1132 |
case WIN_READ_EXT:
|
1133 |
lba48 = 1;
|
1134 |
case WIN_READ:
|
1135 |
case WIN_READ_ONCE:
|
1136 |
if (s->drive_kind == IDE_CD) {
|
1137 |
ide_set_signature(s); /* odd, but ATA4 8.27.5.2 requires it */
|
1138 |
goto abort_cmd;
|
1139 |
} |
1140 |
if (!s->bs) {
|
1141 |
goto abort_cmd;
|
1142 |
} |
1143 |
ide_cmd_lba48_transform(s, lba48); |
1144 |
s->req_nb_sectors = 1;
|
1145 |
ide_sector_read(s); |
1146 |
break;
|
1147 |
case WIN_WRITE_EXT:
|
1148 |
lba48 = 1;
|
1149 |
case WIN_WRITE:
|
1150 |
case WIN_WRITE_ONCE:
|
1151 |
case CFA_WRITE_SECT_WO_ERASE:
|
1152 |
case WIN_WRITE_VERIFY:
|
1153 |
if (!s->bs) {
|
1154 |
goto abort_cmd;
|
1155 |
} |
1156 |
ide_cmd_lba48_transform(s, lba48); |
1157 |
s->error = 0;
|
1158 |
s->status = SEEK_STAT | READY_STAT; |
1159 |
s->req_nb_sectors = 1;
|
1160 |
ide_transfer_start(s, s->io_buffer, 512, ide_sector_write);
|
1161 |
s->media_changed = 1;
|
1162 |
break;
|
1163 |
case WIN_MULTREAD_EXT:
|
1164 |
lba48 = 1;
|
1165 |
case WIN_MULTREAD:
|
1166 |
if (!s->bs) {
|
1167 |
goto abort_cmd;
|
1168 |
} |
1169 |
if (!s->mult_sectors) {
|
1170 |
goto abort_cmd;
|
1171 |
} |
1172 |
ide_cmd_lba48_transform(s, lba48); |
1173 |
s->req_nb_sectors = s->mult_sectors; |
1174 |
ide_sector_read(s); |
1175 |
break;
|
1176 |
case WIN_MULTWRITE_EXT:
|
1177 |
lba48 = 1;
|
1178 |
case WIN_MULTWRITE:
|
1179 |
case CFA_WRITE_MULTI_WO_ERASE:
|
1180 |
if (!s->bs) {
|
1181 |
goto abort_cmd;
|
1182 |
} |
1183 |
if (!s->mult_sectors) {
|
1184 |
goto abort_cmd;
|
1185 |
} |
1186 |
ide_cmd_lba48_transform(s, lba48); |
1187 |
s->error = 0;
|
1188 |
s->status = SEEK_STAT | READY_STAT; |
1189 |
s->req_nb_sectors = s->mult_sectors; |
1190 |
n = s->nsector; |
1191 |
if (n > s->req_nb_sectors)
|
1192 |
n = s->req_nb_sectors; |
1193 |
ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_write);
|
1194 |
s->media_changed = 1;
|
1195 |
break;
|
1196 |
case WIN_READDMA_EXT:
|
1197 |
lba48 = 1;
|
1198 |
case WIN_READDMA:
|
1199 |
case WIN_READDMA_ONCE:
|
1200 |
if (!s->bs) {
|
1201 |
goto abort_cmd;
|
1202 |
} |
1203 |
ide_cmd_lba48_transform(s, lba48); |
1204 |
ide_sector_start_dma(s, IDE_DMA_READ); |
1205 |
break;
|
1206 |
case WIN_WRITEDMA_EXT:
|
1207 |
lba48 = 1;
|
1208 |
case WIN_WRITEDMA:
|
1209 |
case WIN_WRITEDMA_ONCE:
|
1210 |
if (!s->bs) {
|
1211 |
goto abort_cmd;
|
1212 |
} |
1213 |
ide_cmd_lba48_transform(s, lba48); |
1214 |
ide_sector_start_dma(s, IDE_DMA_WRITE); |
1215 |
s->media_changed = 1;
|
1216 |
break;
|
1217 |
case WIN_READ_NATIVE_MAX_EXT:
|
1218 |
lba48 = 1;
|
1219 |
case WIN_READ_NATIVE_MAX:
|
1220 |
ide_cmd_lba48_transform(s, lba48); |
1221 |
ide_set_sector(s, s->nb_sectors - 1);
|
1222 |
s->status = READY_STAT | SEEK_STAT; |
1223 |
ide_set_irq(s->bus); |
1224 |
break;
|
1225 |
case WIN_CHECKPOWERMODE1:
|
1226 |
case WIN_CHECKPOWERMODE2:
|
1227 |
s->error = 0;
|
1228 |
s->nsector = 0xff; /* device active or idle */ |
1229 |
s->status = READY_STAT | SEEK_STAT; |
1230 |
ide_set_irq(s->bus); |
1231 |
break;
|
1232 |
case WIN_SETFEATURES:
|
1233 |
if (!s->bs)
|
1234 |
goto abort_cmd;
|
1235 |
/* XXX: valid for CDROM ? */
|
1236 |
switch(s->feature) {
|
1237 |
case 0x02: /* write cache enable */ |
1238 |
bdrv_set_enable_write_cache(s->bs, true);
|
1239 |
identify_data = (uint16_t *)s->identify_data; |
1240 |
put_le16(identify_data + 85, (1 << 14) | (1 << 5) | 1); |
1241 |
s->status = READY_STAT | SEEK_STAT; |
1242 |
ide_set_irq(s->bus); |
1243 |
break;
|
1244 |
case 0x82: /* write cache disable */ |
1245 |
bdrv_set_enable_write_cache(s->bs, false);
|
1246 |
identify_data = (uint16_t *)s->identify_data; |
1247 |
put_le16(identify_data + 85, (1 << 14) | 1); |
1248 |
ide_flush_cache(s); |
1249 |
break;
|
1250 |
case 0xcc: /* reverting to power-on defaults enable */ |
1251 |
case 0x66: /* reverting to power-on defaults disable */ |
1252 |
case 0xaa: /* read look-ahead enable */ |
1253 |
case 0x55: /* read look-ahead disable */ |
1254 |
case 0x05: /* set advanced power management mode */ |
1255 |
case 0x85: /* disable advanced power management mode */ |
1256 |
case 0x69: /* NOP */ |
1257 |
case 0x67: /* NOP */ |
1258 |
case 0x96: /* NOP */ |
1259 |
case 0x9a: /* NOP */ |
1260 |
case 0x42: /* enable Automatic Acoustic Mode */ |
1261 |
case 0xc2: /* disable Automatic Acoustic Mode */ |
1262 |
s->status = READY_STAT | SEEK_STAT; |
1263 |
ide_set_irq(s->bus); |
1264 |
break;
|
1265 |
case 0x03: { /* set transfer mode */ |
1266 |
uint8_t val = s->nsector & 0x07;
|
1267 |
identify_data = (uint16_t *)s->identify_data; |
1268 |
|
1269 |
switch (s->nsector >> 3) { |
1270 |
case 0x00: /* pio default */ |
1271 |
case 0x01: /* pio mode */ |
1272 |
put_le16(identify_data + 62,0x07); |
1273 |
put_le16(identify_data + 63,0x07); |
1274 |
put_le16(identify_data + 88,0x3f); |
1275 |
break;
|
1276 |
case 0x02: /* sigle word dma mode*/ |
1277 |
put_le16(identify_data + 62,0x07 | (1 << (val + 8))); |
1278 |
put_le16(identify_data + 63,0x07); |
1279 |
put_le16(identify_data + 88,0x3f); |
1280 |
break;
|
1281 |
case 0x04: /* mdma mode */ |
1282 |
put_le16(identify_data + 62,0x07); |
1283 |
put_le16(identify_data + 63,0x07 | (1 << (val + 8))); |
1284 |
put_le16(identify_data + 88,0x3f); |
1285 |
break;
|
1286 |
case 0x08: /* udma mode */ |
1287 |
put_le16(identify_data + 62,0x07); |
1288 |
put_le16(identify_data + 63,0x07); |
1289 |
put_le16(identify_data + 88,0x3f | (1 << (val + 8))); |
1290 |
break;
|
1291 |
default:
|
1292 |
goto abort_cmd;
|
1293 |
} |
1294 |
s->status = READY_STAT | SEEK_STAT; |
1295 |
ide_set_irq(s->bus); |
1296 |
break;
|
1297 |
} |
1298 |
default:
|
1299 |
goto abort_cmd;
|
1300 |
} |
1301 |
break;
|
1302 |
case WIN_FLUSH_CACHE:
|
1303 |
case WIN_FLUSH_CACHE_EXT:
|
1304 |
ide_flush_cache(s); |
1305 |
break;
|
1306 |
case WIN_STANDBY:
|
1307 |
case WIN_STANDBY2:
|
1308 |
case WIN_STANDBYNOW1:
|
1309 |
case WIN_STANDBYNOW2:
|
1310 |
case WIN_IDLEIMMEDIATE:
|
1311 |
case WIN_IDLEIMMEDIATE2:
|
1312 |
case WIN_SETIDLE1:
|
1313 |
case WIN_SETIDLE2:
|
1314 |
case WIN_SLEEPNOW1:
|
1315 |
case WIN_SLEEPNOW2:
|
1316 |
s->status = READY_STAT; |
1317 |
ide_set_irq(s->bus); |
1318 |
break;
|
1319 |
case WIN_SEEK:
|
1320 |
/* XXX: Check that seek is within bounds */
|
1321 |
s->status = READY_STAT | SEEK_STAT; |
1322 |
ide_set_irq(s->bus); |
1323 |
break;
|
1324 |
/* ATAPI commands */
|
1325 |
case WIN_PIDENTIFY:
|
1326 |
ide_atapi_identify(s); |
1327 |
s->status = READY_STAT | SEEK_STAT; |
1328 |
ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop);
|
1329 |
ide_set_irq(s->bus); |
1330 |
break;
|
1331 |
case WIN_DIAGNOSE:
|
1332 |
ide_set_signature(s); |
1333 |
if (s->drive_kind == IDE_CD)
|
1334 |
s->status = 0; /* ATAPI spec (v6) section 9.10 defines packet |
1335 |
* devices to return a clear status register
|
1336 |
* with READY_STAT *not* set. */
|
1337 |
else
|
1338 |
s->status = READY_STAT | SEEK_STAT; |
1339 |
s->error = 0x01; /* Device 0 passed, Device 1 passed or not |
1340 |
* present.
|
1341 |
*/
|
1342 |
ide_set_irq(s->bus); |
1343 |
break;
|
1344 |
case WIN_DEVICE_RESET:
|
1345 |
ide_set_signature(s); |
1346 |
s->status = 0x00; /* NOTE: READY is _not_ set */ |
1347 |
s->error = 0x01;
|
1348 |
break;
|
1349 |
case WIN_PACKETCMD:
|
1350 |
/* overlapping commands not supported */
|
1351 |
if (s->feature & 0x02) |
1352 |
goto abort_cmd;
|
1353 |
s->status = READY_STAT | SEEK_STAT; |
1354 |
s->atapi_dma = s->feature & 1;
|
1355 |
s->nsector = 1;
|
1356 |
ide_transfer_start(s, s->io_buffer, ATAPI_PACKET_SIZE, |
1357 |
ide_atapi_cmd); |
1358 |
break;
|
1359 |
/* CF-ATA commands */
|
1360 |
case CFA_REQ_EXT_ERROR_CODE:
|
1361 |
s->error = 0x09; /* miscellaneous error */ |
1362 |
s->status = READY_STAT | SEEK_STAT; |
1363 |
ide_set_irq(s->bus); |
1364 |
break;
|
1365 |
case CFA_ERASE_SECTORS:
|
1366 |
case CFA_WEAR_LEVEL:
|
1367 |
#if 0
|
1368 |
/* This one has the same ID as CFA_WEAR_LEVEL and is required for
|
1369 |
Windows 8 to work with AHCI */
|
1370 |
case WIN_SECURITY_FREEZE_LOCK:
|
1371 |
#endif
|
1372 |
if (val == CFA_WEAR_LEVEL)
|
1373 |
s->nsector = 0;
|
1374 |
if (val == CFA_ERASE_SECTORS)
|
1375 |
s->media_changed = 1;
|
1376 |
s->error = 0x00;
|
1377 |
s->status = READY_STAT | SEEK_STAT; |
1378 |
ide_set_irq(s->bus); |
1379 |
break;
|
1380 |
case CFA_TRANSLATE_SECTOR:
|
1381 |
s->error = 0x00;
|
1382 |
s->status = READY_STAT | SEEK_STAT; |
1383 |
memset(s->io_buffer, 0, 0x200); |
1384 |
s->io_buffer[0x00] = s->hcyl; /* Cyl MSB */ |
1385 |
s->io_buffer[0x01] = s->lcyl; /* Cyl LSB */ |
1386 |
s->io_buffer[0x02] = s->select; /* Head */ |
1387 |
s->io_buffer[0x03] = s->sector; /* Sector */ |
1388 |
s->io_buffer[0x04] = ide_get_sector(s) >> 16; /* LBA MSB */ |
1389 |
s->io_buffer[0x05] = ide_get_sector(s) >> 8; /* LBA */ |
1390 |
s->io_buffer[0x06] = ide_get_sector(s) >> 0; /* LBA LSB */ |
1391 |
s->io_buffer[0x13] = 0x00; /* Erase flag */ |
1392 |
s->io_buffer[0x18] = 0x00; /* Hot count */ |
1393 |
s->io_buffer[0x19] = 0x00; /* Hot count */ |
1394 |
s->io_buffer[0x1a] = 0x01; /* Hot count */ |
1395 |
ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop);
|
1396 |
ide_set_irq(s->bus); |
1397 |
break;
|
1398 |
case CFA_ACCESS_METADATA_STORAGE:
|
1399 |
switch (s->feature) {
|
1400 |
case 0x02: /* Inquiry Metadata Storage */ |
1401 |
ide_cfata_metadata_inquiry(s); |
1402 |
break;
|
1403 |
case 0x03: /* Read Metadata Storage */ |
1404 |
ide_cfata_metadata_read(s); |
1405 |
break;
|
1406 |
case 0x04: /* Write Metadata Storage */ |
1407 |
ide_cfata_metadata_write(s); |
1408 |
break;
|
1409 |
default:
|
1410 |
goto abort_cmd;
|
1411 |
} |
1412 |
ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop);
|
1413 |
s->status = 0x00; /* NOTE: READY is _not_ set */ |
1414 |
ide_set_irq(s->bus); |
1415 |
break;
|
1416 |
case IBM_SENSE_CONDITION:
|
1417 |
switch (s->feature) {
|
1418 |
case 0x01: /* sense temperature in device */ |
1419 |
s->nsector = 0x50; /* +20 C */ |
1420 |
break;
|
1421 |
default:
|
1422 |
goto abort_cmd;
|
1423 |
} |
1424 |
s->status = READY_STAT | SEEK_STAT; |
1425 |
ide_set_irq(s->bus); |
1426 |
break;
|
1427 |
|
1428 |
case WIN_SMART:
|
1429 |
if (s->hcyl != 0xc2 || s->lcyl != 0x4f) |
1430 |
goto abort_cmd;
|
1431 |
if (!s->smart_enabled && s->feature != SMART_ENABLE)
|
1432 |
goto abort_cmd;
|
1433 |
switch (s->feature) {
|
1434 |
case SMART_DISABLE:
|
1435 |
s->smart_enabled = 0;
|
1436 |
s->status = READY_STAT | SEEK_STAT; |
1437 |
ide_set_irq(s->bus); |
1438 |
break;
|
1439 |
case SMART_ENABLE:
|
1440 |
s->smart_enabled = 1;
|
1441 |
s->status = READY_STAT | SEEK_STAT; |
1442 |
ide_set_irq(s->bus); |
1443 |
break;
|
1444 |
case SMART_ATTR_AUTOSAVE:
|
1445 |
switch (s->sector) {
|
1446 |
case 0x00: |
1447 |
s->smart_autosave = 0;
|
1448 |
break;
|
1449 |
case 0xf1: |
1450 |
s->smart_autosave = 1;
|
1451 |
break;
|
1452 |
default:
|
1453 |
goto abort_cmd;
|
1454 |
} |
1455 |
s->status = READY_STAT | SEEK_STAT; |
1456 |
ide_set_irq(s->bus); |
1457 |
break;
|
1458 |
case SMART_STATUS:
|
1459 |
if (!s->smart_errors) {
|
1460 |
s->hcyl = 0xc2;
|
1461 |
s->lcyl = 0x4f;
|
1462 |
} else {
|
1463 |
s->hcyl = 0x2c;
|
1464 |
s->lcyl = 0xf4;
|
1465 |
} |
1466 |
s->status = READY_STAT | SEEK_STAT; |
1467 |
ide_set_irq(s->bus); |
1468 |
break;
|
1469 |
case SMART_READ_THRESH:
|
1470 |
memset(s->io_buffer, 0, 0x200); |
1471 |
s->io_buffer[0] = 0x01; /* smart struct version */ |
1472 |
for (n = 0; n < ARRAY_SIZE(smart_attributes); n++) { |
1473 |
s->io_buffer[2+0+(n*12)] = smart_attributes[n][0]; |
1474 |
s->io_buffer[2+1+(n*12)] = smart_attributes[n][11]; |
1475 |
} |
1476 |
for (n=0; n<511; n++) /* checksum */ |
1477 |
s->io_buffer[511] += s->io_buffer[n];
|
1478 |
s->io_buffer[511] = 0x100 - s->io_buffer[511]; |
1479 |
s->status = READY_STAT | SEEK_STAT; |
1480 |
ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop);
|
1481 |
ide_set_irq(s->bus); |
1482 |
break;
|
1483 |
case SMART_READ_DATA:
|
1484 |
memset(s->io_buffer, 0, 0x200); |
1485 |
s->io_buffer[0] = 0x01; /* smart struct version */ |
1486 |
for (n = 0; n < ARRAY_SIZE(smart_attributes); n++) { |
1487 |
int i;
|
1488 |
for(i = 0; i < 11; i++) { |
1489 |
s->io_buffer[2+i+(n*12)] = smart_attributes[n][i]; |
1490 |
} |
1491 |
} |
1492 |
s->io_buffer[362] = 0x02 | (s->smart_autosave?0x80:0x00); |
1493 |
if (s->smart_selftest_count == 0) { |
1494 |
s->io_buffer[363] = 0; |
1495 |
} else {
|
1496 |
s->io_buffer[363] =
|
1497 |
s->smart_selftest_data[3 +
|
1498 |
(s->smart_selftest_count - 1) *
|
1499 |
24];
|
1500 |
} |
1501 |
s->io_buffer[364] = 0x20; |
1502 |
s->io_buffer[365] = 0x01; |
1503 |
/* offline data collection capacity: execute + self-test*/
|
1504 |
s->io_buffer[367] = (1<<4 | 1<<3 | 1); |
1505 |
s->io_buffer[368] = 0x03; /* smart capability (1) */ |
1506 |
s->io_buffer[369] = 0x00; /* smart capability (2) */ |
1507 |
s->io_buffer[370] = 0x01; /* error logging supported */ |
1508 |
s->io_buffer[372] = 0x02; /* minutes for poll short test */ |
1509 |
s->io_buffer[373] = 0x36; /* minutes for poll ext test */ |
1510 |
s->io_buffer[374] = 0x01; /* minutes for poll conveyance */ |
1511 |
|
1512 |
for (n=0; n<511; n++) |
1513 |
s->io_buffer[511] += s->io_buffer[n];
|
1514 |
s->io_buffer[511] = 0x100 - s->io_buffer[511]; |
1515 |
s->status = READY_STAT | SEEK_STAT; |
1516 |
ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop);
|
1517 |
ide_set_irq(s->bus); |
1518 |
break;
|
1519 |
case SMART_READ_LOG:
|
1520 |
switch (s->sector) {
|
1521 |
case 0x01: /* summary smart error log */ |
1522 |
memset(s->io_buffer, 0, 0x200); |
1523 |
s->io_buffer[0] = 0x01; |
1524 |
s->io_buffer[1] = 0x00; /* no error entries */ |
1525 |
s->io_buffer[452] = s->smart_errors & 0xff; |
1526 |
s->io_buffer[453] = (s->smart_errors & 0xff00) >> 8; |
1527 |
|
1528 |
for (n=0; n<511; n++) |
1529 |
s->io_buffer[511] += s->io_buffer[n];
|
1530 |
s->io_buffer[511] = 0x100 - s->io_buffer[511]; |
1531 |
break;
|
1532 |
case 0x06: /* smart self test log */ |
1533 |
memset(s->io_buffer, 0, 0x200); |
1534 |
s->io_buffer[0] = 0x01; |
1535 |
if (s->smart_selftest_count == 0) { |
1536 |
s->io_buffer[508] = 0; |
1537 |
} else {
|
1538 |
s->io_buffer[508] = s->smart_selftest_count;
|
1539 |
for (n=2; n<506; n++) |
1540 |
s->io_buffer[n] = s->smart_selftest_data[n]; |
1541 |
} |
1542 |
for (n=0; n<511; n++) |
1543 |
s->io_buffer[511] += s->io_buffer[n];
|
1544 |
s->io_buffer[511] = 0x100 - s->io_buffer[511]; |
1545 |
break;
|
1546 |
default:
|
1547 |
goto abort_cmd;
|
1548 |
} |
1549 |
s->status = READY_STAT | SEEK_STAT; |
1550 |
ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop);
|
1551 |
ide_set_irq(s->bus); |
1552 |
break;
|
1553 |
case SMART_EXECUTE_OFFLINE:
|
1554 |
switch (s->sector) {
|
1555 |
case 0: /* off-line routine */ |
1556 |
case 1: /* short self test */ |
1557 |
case 2: /* extended self test */ |
1558 |
s->smart_selftest_count++; |
1559 |
if(s->smart_selftest_count > 21) |
1560 |
s->smart_selftest_count = 0;
|
1561 |
n = 2 + (s->smart_selftest_count - 1) * 24; |
1562 |
s->smart_selftest_data[n] = s->sector; |
1563 |
s->smart_selftest_data[n+1] = 0x00; /* OK and finished */ |
1564 |
s->smart_selftest_data[n+2] = 0x34; /* hour count lsb */ |
1565 |
s->smart_selftest_data[n+3] = 0x12; /* hour count msb */ |
1566 |
s->status = READY_STAT | SEEK_STAT; |
1567 |
ide_set_irq(s->bus); |
1568 |
break;
|
1569 |
default:
|
1570 |
goto abort_cmd;
|
1571 |
} |
1572 |
break;
|
1573 |
default:
|
1574 |
goto abort_cmd;
|
1575 |
} |
1576 |
break;
|
1577 |
default:
|
1578 |
/* should not be reachable */
|
1579 |
abort_cmd:
|
1580 |
ide_abort_command(s); |
1581 |
ide_set_irq(s->bus); |
1582 |
break;
|
1583 |
} |
1584 |
} |
1585 |
|
1586 |
uint32_t ide_ioport_read(void *opaque, uint32_t addr1)
|
1587 |
{ |
1588 |
IDEBus *bus = opaque; |
1589 |
IDEState *s = idebus_active_if(bus); |
1590 |
uint32_t addr; |
1591 |
int ret, hob;
|
1592 |
|
1593 |
addr = addr1 & 7;
|
1594 |
/* FIXME: HOB readback uses bit 7, but it's always set right now */
|
1595 |
//hob = s->select & (1 << 7);
|
1596 |
hob = 0;
|
1597 |
switch(addr) {
|
1598 |
case 0: |
1599 |
ret = 0xff;
|
1600 |
break;
|
1601 |
case 1: |
1602 |
if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || |
1603 |
(s != bus->ifs && !s->bs)) |
1604 |
ret = 0;
|
1605 |
else if (!hob) |
1606 |
ret = s->error; |
1607 |
else
|
1608 |
ret = s->hob_feature; |
1609 |
break;
|
1610 |
case 2: |
1611 |
if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
1612 |
ret = 0;
|
1613 |
else if (!hob) |
1614 |
ret = s->nsector & 0xff;
|
1615 |
else
|
1616 |
ret = s->hob_nsector; |
1617 |
break;
|
1618 |
case 3: |
1619 |
if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
1620 |
ret = 0;
|
1621 |
else if (!hob) |
1622 |
ret = s->sector; |
1623 |
else
|
1624 |
ret = s->hob_sector; |
1625 |
break;
|
1626 |
case 4: |
1627 |
if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
1628 |
ret = 0;
|
1629 |
else if (!hob) |
1630 |
ret = s->lcyl; |
1631 |
else
|
1632 |
ret = s->hob_lcyl; |
1633 |
break;
|
1634 |
case 5: |
1635 |
if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
1636 |
ret = 0;
|
1637 |
else if (!hob) |
1638 |
ret = s->hcyl; |
1639 |
else
|
1640 |
ret = s->hob_hcyl; |
1641 |
break;
|
1642 |
case 6: |
1643 |
if (!bus->ifs[0].bs && !bus->ifs[1].bs) |
1644 |
ret = 0;
|
1645 |
else
|
1646 |
ret = s->select; |
1647 |
break;
|
1648 |
default:
|
1649 |
case 7: |
1650 |
if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || |
1651 |
(s != bus->ifs && !s->bs)) |
1652 |
ret = 0;
|
1653 |
else
|
1654 |
ret = s->status; |
1655 |
qemu_irq_lower(bus->irq); |
1656 |
break;
|
1657 |
} |
1658 |
#ifdef DEBUG_IDE
|
1659 |
printf("ide: read addr=0x%x val=%02x\n", addr1, ret);
|
1660 |
#endif
|
1661 |
return ret;
|
1662 |
} |
1663 |
|
1664 |
uint32_t ide_status_read(void *opaque, uint32_t addr)
|
1665 |
{ |
1666 |
IDEBus *bus = opaque; |
1667 |
IDEState *s = idebus_active_if(bus); |
1668 |
int ret;
|
1669 |
|
1670 |
if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || |
1671 |
(s != bus->ifs && !s->bs)) |
1672 |
ret = 0;
|
1673 |
else
|
1674 |
ret = s->status; |
1675 |
#ifdef DEBUG_IDE
|
1676 |
printf("ide: read status addr=0x%x val=%02x\n", addr, ret);
|
1677 |
#endif
|
1678 |
return ret;
|
1679 |
} |
1680 |
|
1681 |
void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val) |
1682 |
{ |
1683 |
IDEBus *bus = opaque; |
1684 |
IDEState *s; |
1685 |
int i;
|
1686 |
|
1687 |
#ifdef DEBUG_IDE
|
1688 |
printf("ide: write control addr=0x%x val=%02x\n", addr, val);
|
1689 |
#endif
|
1690 |
/* common for both drives */
|
1691 |
if (!(bus->cmd & IDE_CMD_RESET) &&
|
1692 |
(val & IDE_CMD_RESET)) { |
1693 |
/* reset low to high */
|
1694 |
for(i = 0;i < 2; i++) { |
1695 |
s = &bus->ifs[i]; |
1696 |
s->status = BUSY_STAT | SEEK_STAT; |
1697 |
s->error = 0x01;
|
1698 |
} |
1699 |
} else if ((bus->cmd & IDE_CMD_RESET) && |
1700 |
!(val & IDE_CMD_RESET)) { |
1701 |
/* high to low */
|
1702 |
for(i = 0;i < 2; i++) { |
1703 |
s = &bus->ifs[i]; |
1704 |
if (s->drive_kind == IDE_CD)
|
1705 |
s->status = 0x00; /* NOTE: READY is _not_ set */ |
1706 |
else
|
1707 |
s->status = READY_STAT | SEEK_STAT; |
1708 |
ide_set_signature(s); |
1709 |
} |
1710 |
} |
1711 |
|
1712 |
bus->cmd = val; |
1713 |
} |
1714 |
|
1715 |
/*
|
1716 |
* Returns true if the running PIO transfer is a PIO out (i.e. data is
|
1717 |
* transferred from the device to the guest), false if it's a PIO in
|
1718 |
*/
|
1719 |
static bool ide_is_pio_out(IDEState *s) |
1720 |
{ |
1721 |
if (s->end_transfer_func == ide_sector_write ||
|
1722 |
s->end_transfer_func == ide_atapi_cmd) { |
1723 |
return false; |
1724 |
} else if (s->end_transfer_func == ide_sector_read || |
1725 |
s->end_transfer_func == ide_transfer_stop || |
1726 |
s->end_transfer_func == ide_atapi_cmd_reply_end || |
1727 |
s->end_transfer_func == ide_dummy_transfer_stop) { |
1728 |
return true; |
1729 |
} |
1730 |
|
1731 |
abort(); |
1732 |
} |
1733 |
|
1734 |
void ide_data_writew(void *opaque, uint32_t addr, uint32_t val) |
1735 |
{ |
1736 |
IDEBus *bus = opaque; |
1737 |
IDEState *s = idebus_active_if(bus); |
1738 |
uint8_t *p; |
1739 |
|
1740 |
/* PIO data access allowed only when DRQ bit is set. The result of a write
|
1741 |
* during PIO out is indeterminate, just ignore it. */
|
1742 |
if (!(s->status & DRQ_STAT) || ide_is_pio_out(s)) {
|
1743 |
return;
|
1744 |
} |
1745 |
|
1746 |
p = s->data_ptr; |
1747 |
*(uint16_t *)p = le16_to_cpu(val); |
1748 |
p += 2;
|
1749 |
s->data_ptr = p; |
1750 |
if (p >= s->data_end)
|
1751 |
s->end_transfer_func(s); |
1752 |
} |
1753 |
|
1754 |
uint32_t ide_data_readw(void *opaque, uint32_t addr)
|
1755 |
{ |
1756 |
IDEBus *bus = opaque; |
1757 |
IDEState *s = idebus_active_if(bus); |
1758 |
uint8_t *p; |
1759 |
int ret;
|
1760 |
|
1761 |
/* PIO data access allowed only when DRQ bit is set. The result of a read
|
1762 |
* during PIO in is indeterminate, return 0 and don't move forward. */
|
1763 |
if (!(s->status & DRQ_STAT) || !ide_is_pio_out(s)) {
|
1764 |
return 0; |
1765 |
} |
1766 |
|
1767 |
p = s->data_ptr; |
1768 |
ret = cpu_to_le16(*(uint16_t *)p); |
1769 |
p += 2;
|
1770 |
s->data_ptr = p; |
1771 |
if (p >= s->data_end)
|
1772 |
s->end_transfer_func(s); |
1773 |
return ret;
|
1774 |
} |
1775 |
|
1776 |
void ide_data_writel(void *opaque, uint32_t addr, uint32_t val) |
1777 |
{ |
1778 |
IDEBus *bus = opaque; |
1779 |
IDEState *s = idebus_active_if(bus); |
1780 |
uint8_t *p; |
1781 |
|
1782 |
/* PIO data access allowed only when DRQ bit is set. The result of a write
|
1783 |
* during PIO out is indeterminate, just ignore it. */
|
1784 |
if (!(s->status & DRQ_STAT) || ide_is_pio_out(s)) {
|
1785 |
return;
|
1786 |
} |
1787 |
|
1788 |
p = s->data_ptr; |
1789 |
*(uint32_t *)p = le32_to_cpu(val); |
1790 |
p += 4;
|
1791 |
s->data_ptr = p; |
1792 |
if (p >= s->data_end)
|
1793 |
s->end_transfer_func(s); |
1794 |
} |
1795 |
|
1796 |
uint32_t ide_data_readl(void *opaque, uint32_t addr)
|
1797 |
{ |
1798 |
IDEBus *bus = opaque; |
1799 |
IDEState *s = idebus_active_if(bus); |
1800 |
uint8_t *p; |
1801 |
int ret;
|
1802 |
|
1803 |
/* PIO data access allowed only when DRQ bit is set. The result of a read
|
1804 |
* during PIO in is indeterminate, return 0 and don't move forward. */
|
1805 |
if (!(s->status & DRQ_STAT) || !ide_is_pio_out(s)) {
|
1806 |
return 0; |
1807 |
} |
1808 |
|
1809 |
p = s->data_ptr; |
1810 |
ret = cpu_to_le32(*(uint32_t *)p); |
1811 |
p += 4;
|
1812 |
s->data_ptr = p; |
1813 |
if (p >= s->data_end)
|
1814 |
s->end_transfer_func(s); |
1815 |
return ret;
|
1816 |
} |
1817 |
|
1818 |
static void ide_dummy_transfer_stop(IDEState *s) |
1819 |
{ |
1820 |
s->data_ptr = s->io_buffer; |
1821 |
s->data_end = s->io_buffer; |
1822 |
s->io_buffer[0] = 0xff; |
1823 |
s->io_buffer[1] = 0xff; |
1824 |
s->io_buffer[2] = 0xff; |
1825 |
s->io_buffer[3] = 0xff; |
1826 |
} |
1827 |
|
1828 |
static void ide_reset(IDEState *s) |
1829 |
{ |
1830 |
#ifdef DEBUG_IDE
|
1831 |
printf("ide: reset\n");
|
1832 |
#endif
|
1833 |
|
1834 |
if (s->pio_aiocb) {
|
1835 |
bdrv_aio_cancel(s->pio_aiocb); |
1836 |
s->pio_aiocb = NULL;
|
1837 |
} |
1838 |
|
1839 |
if (s->drive_kind == IDE_CFATA)
|
1840 |
s->mult_sectors = 0;
|
1841 |
else
|
1842 |
s->mult_sectors = MAX_MULT_SECTORS; |
1843 |
/* ide regs */
|
1844 |
s->feature = 0;
|
1845 |
s->error = 0;
|
1846 |
s->nsector = 0;
|
1847 |
s->sector = 0;
|
1848 |
s->lcyl = 0;
|
1849 |
s->hcyl = 0;
|
1850 |
|
1851 |
/* lba48 */
|
1852 |
s->hob_feature = 0;
|
1853 |
s->hob_sector = 0;
|
1854 |
s->hob_nsector = 0;
|
1855 |
s->hob_lcyl = 0;
|
1856 |
s->hob_hcyl = 0;
|
1857 |
|
1858 |
s->select = 0xa0;
|
1859 |
s->status = READY_STAT | SEEK_STAT; |
1860 |
|
1861 |
s->lba48 = 0;
|
1862 |
|
1863 |
/* ATAPI specific */
|
1864 |
s->sense_key = 0;
|
1865 |
s->asc = 0;
|
1866 |
s->cdrom_changed = 0;
|
1867 |
s->packet_transfer_size = 0;
|
1868 |
s->elementary_transfer_size = 0;
|
1869 |
s->io_buffer_index = 0;
|
1870 |
s->cd_sector_size = 0;
|
1871 |
s->atapi_dma = 0;
|
1872 |
s->tray_locked = 0;
|
1873 |
s->tray_open = 0;
|
1874 |
/* ATA DMA state */
|
1875 |
s->io_buffer_size = 0;
|
1876 |
s->req_nb_sectors = 0;
|
1877 |
|
1878 |
ide_set_signature(s); |
1879 |
/* init the transfer handler so that 0xffff is returned on data
|
1880 |
accesses */
|
1881 |
s->end_transfer_func = ide_dummy_transfer_stop; |
1882 |
ide_dummy_transfer_stop(s); |
1883 |
s->media_changed = 0;
|
1884 |
} |
1885 |
|
1886 |
void ide_bus_reset(IDEBus *bus)
|
1887 |
{ |
1888 |
bus->unit = 0;
|
1889 |
bus->cmd = 0;
|
1890 |
ide_reset(&bus->ifs[0]);
|
1891 |
ide_reset(&bus->ifs[1]);
|
1892 |
ide_clear_hob(bus); |
1893 |
|
1894 |
/* pending async DMA */
|
1895 |
if (bus->dma->aiocb) {
|
1896 |
#ifdef DEBUG_AIO
|
1897 |
printf("aio_cancel\n");
|
1898 |
#endif
|
1899 |
bdrv_aio_cancel(bus->dma->aiocb); |
1900 |
bus->dma->aiocb = NULL;
|
1901 |
} |
1902 |
|
1903 |
/* reset dma provider too */
|
1904 |
bus->dma->ops->reset(bus->dma); |
1905 |
} |
1906 |
|
1907 |
static bool ide_cd_is_tray_open(void *opaque) |
1908 |
{ |
1909 |
return ((IDEState *)opaque)->tray_open;
|
1910 |
} |
1911 |
|
1912 |
static bool ide_cd_is_medium_locked(void *opaque) |
1913 |
{ |
1914 |
return ((IDEState *)opaque)->tray_locked;
|
1915 |
} |
1916 |
|
1917 |
static const BlockDevOps ide_cd_block_ops = { |
1918 |
.change_media_cb = ide_cd_change_cb, |
1919 |
.eject_request_cb = ide_cd_eject_request_cb, |
1920 |
.is_tray_open = ide_cd_is_tray_open, |
1921 |
.is_medium_locked = ide_cd_is_medium_locked, |
1922 |
}; |
1923 |
|
1924 |
int ide_init_drive(IDEState *s, BlockDriverState *bs, IDEDriveKind kind,
|
1925 |
const char *version, const char *serial, const char *model, |
1926 |
uint64_t wwn, |
1927 |
uint32_t cylinders, uint32_t heads, uint32_t secs, |
1928 |
int chs_trans)
|
1929 |
{ |
1930 |
uint64_t nb_sectors; |
1931 |
|
1932 |
s->bs = bs; |
1933 |
s->drive_kind = kind; |
1934 |
|
1935 |
bdrv_get_geometry(bs, &nb_sectors); |
1936 |
s->cylinders = cylinders; |
1937 |
s->heads = heads; |
1938 |
s->sectors = secs; |
1939 |
s->chs_trans = chs_trans; |
1940 |
s->nb_sectors = nb_sectors; |
1941 |
s->wwn = wwn; |
1942 |
/* The SMART values should be preserved across power cycles
|
1943 |
but they aren't. */
|
1944 |
s->smart_enabled = 1;
|
1945 |
s->smart_autosave = 1;
|
1946 |
s->smart_errors = 0;
|
1947 |
s->smart_selftest_count = 0;
|
1948 |
if (kind == IDE_CD) {
|
1949 |
bdrv_set_dev_ops(bs, &ide_cd_block_ops, s); |
1950 |
bdrv_set_buffer_alignment(bs, 2048);
|
1951 |
} else {
|
1952 |
if (!bdrv_is_inserted(s->bs)) {
|
1953 |
error_report("Device needs media, but drive is empty");
|
1954 |
return -1; |
1955 |
} |
1956 |
if (bdrv_is_read_only(bs)) {
|
1957 |
error_report("Can't use a read-only drive");
|
1958 |
return -1; |
1959 |
} |
1960 |
} |
1961 |
if (serial) {
|
1962 |
pstrcpy(s->drive_serial_str, sizeof(s->drive_serial_str), serial);
|
1963 |
} else {
|
1964 |
snprintf(s->drive_serial_str, sizeof(s->drive_serial_str),
|
1965 |
"QM%05d", s->drive_serial);
|
1966 |
} |
1967 |
if (model) {
|
1968 |
pstrcpy(s->drive_model_str, sizeof(s->drive_model_str), model);
|
1969 |
} else {
|
1970 |
switch (kind) {
|
1971 |
case IDE_CD:
|
1972 |
strcpy(s->drive_model_str, "QEMU DVD-ROM");
|
1973 |
break;
|
1974 |
case IDE_CFATA:
|
1975 |
strcpy(s->drive_model_str, "QEMU MICRODRIVE");
|
1976 |
break;
|
1977 |
default:
|
1978 |
strcpy(s->drive_model_str, "QEMU HARDDISK");
|
1979 |
break;
|
1980 |
} |
1981 |
} |
1982 |
|
1983 |
if (version) {
|
1984 |
pstrcpy(s->version, sizeof(s->version), version);
|
1985 |
} else {
|
1986 |
pstrcpy(s->version, sizeof(s->version), qemu_get_version());
|
1987 |
} |
1988 |
|
1989 |
ide_reset(s); |
1990 |
bdrv_iostatus_enable(bs); |
1991 |
return 0; |
1992 |
} |
1993 |
|
1994 |
static void ide_init1(IDEBus *bus, int unit) |
1995 |
{ |
1996 |
static int drive_serial = 1; |
1997 |
IDEState *s = &bus->ifs[unit]; |
1998 |
|
1999 |
s->bus = bus; |
2000 |
s->unit = unit; |
2001 |
s->drive_serial = drive_serial++; |
2002 |
/* we need at least 2k alignment for accessing CDROMs using O_DIRECT */
|
2003 |
s->io_buffer_total_len = IDE_DMA_BUF_SECTORS*512 + 4; |
2004 |
s->io_buffer = qemu_memalign(2048, s->io_buffer_total_len);
|
2005 |
memset(s->io_buffer, 0, s->io_buffer_total_len);
|
2006 |
|
2007 |
s->smart_selftest_data = qemu_blockalign(s->bs, 512);
|
2008 |
memset(s->smart_selftest_data, 0, 512); |
2009 |
|
2010 |
s->sector_write_timer = qemu_new_timer_ns(vm_clock, |
2011 |
ide_sector_write_timer_cb, s); |
2012 |
} |
2013 |
|
2014 |
static void ide_nop_start(IDEDMA *dma, IDEState *s, |
2015 |
BlockDriverCompletionFunc *cb) |
2016 |
{ |
2017 |
} |
2018 |
|
2019 |
static int ide_nop(IDEDMA *dma) |
2020 |
{ |
2021 |
return 0; |
2022 |
} |
2023 |
|
2024 |
static int ide_nop_int(IDEDMA *dma, int x) |
2025 |
{ |
2026 |
return 0; |
2027 |
} |
2028 |
|
2029 |
static void ide_nop_restart(void *opaque, int x, RunState y) |
2030 |
{ |
2031 |
} |
2032 |
|
2033 |
static const IDEDMAOps ide_dma_nop_ops = { |
2034 |
.start_dma = ide_nop_start, |
2035 |
.start_transfer = ide_nop, |
2036 |
.prepare_buf = ide_nop_int, |
2037 |
.rw_buf = ide_nop_int, |
2038 |
.set_unit = ide_nop_int, |
2039 |
.add_status = ide_nop_int, |
2040 |
.set_inactive = ide_nop, |
2041 |
.restart_cb = ide_nop_restart, |
2042 |
.reset = ide_nop, |
2043 |
}; |
2044 |
|
2045 |
static IDEDMA ide_dma_nop = {
|
2046 |
.ops = &ide_dma_nop_ops, |
2047 |
.aiocb = NULL,
|
2048 |
}; |
2049 |
|
2050 |
void ide_init2(IDEBus *bus, qemu_irq irq)
|
2051 |
{ |
2052 |
int i;
|
2053 |
|
2054 |
for(i = 0; i < 2; i++) { |
2055 |
ide_init1(bus, i); |
2056 |
ide_reset(&bus->ifs[i]); |
2057 |
} |
2058 |
bus->irq = irq; |
2059 |
bus->dma = &ide_dma_nop; |
2060 |
} |
2061 |
|
2062 |
/* TODO convert users to qdev and remove */
|
2063 |
void ide_init2_with_non_qdev_drives(IDEBus *bus, DriveInfo *hd0,
|
2064 |
DriveInfo *hd1, qemu_irq irq) |
2065 |
{ |
2066 |
int i, trans;
|
2067 |
DriveInfo *dinfo; |
2068 |
uint32_t cyls, heads, secs; |
2069 |
|
2070 |
for(i = 0; i < 2; i++) { |
2071 |
dinfo = i == 0 ? hd0 : hd1;
|
2072 |
ide_init1(bus, i); |
2073 |
if (dinfo) {
|
2074 |
cyls = dinfo->cyls; |
2075 |
heads = dinfo->heads; |
2076 |
secs = dinfo->secs; |
2077 |
trans = dinfo->trans; |
2078 |
if (!cyls && !heads && !secs) {
|
2079 |
hd_geometry_guess(dinfo->bdrv, &cyls, &heads, &secs, &trans); |
2080 |
} else if (trans == BIOS_ATA_TRANSLATION_AUTO) { |
2081 |
trans = hd_bios_chs_auto_trans(cyls, heads, secs); |
2082 |
} |
2083 |
if (cyls < 1 || cyls > 65535) { |
2084 |
error_report("cyls must be between 1 and 65535");
|
2085 |
exit(1);
|
2086 |
} |
2087 |
if (heads < 1 || heads > 16) { |
2088 |
error_report("heads must be between 1 and 16");
|
2089 |
exit(1);
|
2090 |
} |
2091 |
if (secs < 1 || secs > 255) { |
2092 |
error_report("secs must be between 1 and 255");
|
2093 |
exit(1);
|
2094 |
} |
2095 |
if (ide_init_drive(&bus->ifs[i], dinfo->bdrv,
|
2096 |
dinfo->media_cd ? IDE_CD : IDE_HD, |
2097 |
NULL, dinfo->serial, NULL, 0, |
2098 |
cyls, heads, secs, trans) < 0) {
|
2099 |
error_report("Can't set up IDE drive %s", dinfo->id);
|
2100 |
exit(1);
|
2101 |
} |
2102 |
bdrv_attach_dev_nofail(dinfo->bdrv, &bus->ifs[i]); |
2103 |
} else {
|
2104 |
ide_reset(&bus->ifs[i]); |
2105 |
} |
2106 |
} |
2107 |
bus->irq = irq; |
2108 |
bus->dma = &ide_dma_nop; |
2109 |
} |
2110 |
|
2111 |
static const MemoryRegionPortio ide_portio_list[] = { |
2112 |
{ 0, 8, 1, .read = ide_ioport_read, .write = ide_ioport_write }, |
2113 |
{ 0, 2, 2, .read = ide_data_readw, .write = ide_data_writew }, |
2114 |
{ 0, 4, 4, .read = ide_data_readl, .write = ide_data_writel }, |
2115 |
PORTIO_END_OF_LIST(), |
2116 |
}; |
2117 |
|
2118 |
static const MemoryRegionPortio ide_portio2_list[] = { |
2119 |
{ 0, 1, 1, .read = ide_status_read, .write = ide_cmd_write }, |
2120 |
PORTIO_END_OF_LIST(), |
2121 |
}; |
2122 |
|
2123 |
void ide_init_ioport(IDEBus *bus, ISADevice *dev, int iobase, int iobase2) |
2124 |
{ |
2125 |
/* ??? Assume only ISA and PCI configurations, and that the PCI-ISA
|
2126 |
bridge has been setup properly to always register with ISA. */
|
2127 |
isa_register_portio_list(dev, iobase, ide_portio_list, bus, "ide");
|
2128 |
|
2129 |
if (iobase2) {
|
2130 |
isa_register_portio_list(dev, iobase2, ide_portio2_list, bus, "ide");
|
2131 |
} |
2132 |
} |
2133 |
|
2134 |
static bool is_identify_set(void *opaque, int version_id) |
2135 |
{ |
2136 |
IDEState *s = opaque; |
2137 |
|
2138 |
return s->identify_set != 0; |
2139 |
} |
2140 |
|
2141 |
static EndTransferFunc* transfer_end_table[] = {
|
2142 |
ide_sector_read, |
2143 |
ide_sector_write, |
2144 |
ide_transfer_stop, |
2145 |
ide_atapi_cmd_reply_end, |
2146 |
ide_atapi_cmd, |
2147 |
ide_dummy_transfer_stop, |
2148 |
}; |
2149 |
|
2150 |
static int transfer_end_table_idx(EndTransferFunc *fn) |
2151 |
{ |
2152 |
int i;
|
2153 |
|
2154 |
for (i = 0; i < ARRAY_SIZE(transfer_end_table); i++) |
2155 |
if (transfer_end_table[i] == fn)
|
2156 |
return i;
|
2157 |
|
2158 |
return -1; |
2159 |
} |
2160 |
|
2161 |
static int ide_drive_post_load(void *opaque, int version_id) |
2162 |
{ |
2163 |
IDEState *s = opaque; |
2164 |
|
2165 |
if (s->identify_set) {
|
2166 |
bdrv_set_enable_write_cache(s->bs, !!(s->identify_data[85] & (1 << 5))); |
2167 |
} |
2168 |
return 0; |
2169 |
} |
2170 |
|
2171 |
static int ide_drive_pio_post_load(void *opaque, int version_id) |
2172 |
{ |
2173 |
IDEState *s = opaque; |
2174 |
|
2175 |
if (s->end_transfer_fn_idx >= ARRAY_SIZE(transfer_end_table)) {
|
2176 |
return -EINVAL;
|
2177 |
} |
2178 |
s->end_transfer_func = transfer_end_table[s->end_transfer_fn_idx]; |
2179 |
s->data_ptr = s->io_buffer + s->cur_io_buffer_offset; |
2180 |
s->data_end = s->data_ptr + s->cur_io_buffer_len; |
2181 |
|
2182 |
return 0; |
2183 |
} |
2184 |
|
2185 |
static void ide_drive_pio_pre_save(void *opaque) |
2186 |
{ |
2187 |
IDEState *s = opaque; |
2188 |
int idx;
|
2189 |
|
2190 |
s->cur_io_buffer_offset = s->data_ptr - s->io_buffer; |
2191 |
s->cur_io_buffer_len = s->data_end - s->data_ptr; |
2192 |
|
2193 |
idx = transfer_end_table_idx(s->end_transfer_func); |
2194 |
if (idx == -1) { |
2195 |
fprintf(stderr, "%s: invalid end_transfer_func for DRQ_STAT\n",
|
2196 |
__func__); |
2197 |
s->end_transfer_fn_idx = 2;
|
2198 |
} else {
|
2199 |
s->end_transfer_fn_idx = idx; |
2200 |
} |
2201 |
} |
2202 |
|
2203 |
static bool ide_drive_pio_state_needed(void *opaque) |
2204 |
{ |
2205 |
IDEState *s = opaque; |
2206 |
|
2207 |
return ((s->status & DRQ_STAT) != 0) |
2208 |
|| (s->bus->error_status & BM_STATUS_PIO_RETRY); |
2209 |
} |
2210 |
|
2211 |
static bool ide_tray_state_needed(void *opaque) |
2212 |
{ |
2213 |
IDEState *s = opaque; |
2214 |
|
2215 |
return s->tray_open || s->tray_locked;
|
2216 |
} |
2217 |
|
2218 |
static bool ide_atapi_gesn_needed(void *opaque) |
2219 |
{ |
2220 |
IDEState *s = opaque; |
2221 |
|
2222 |
return s->events.new_media || s->events.eject_request;
|
2223 |
} |
2224 |
|
2225 |
static bool ide_error_needed(void *opaque) |
2226 |
{ |
2227 |
IDEBus *bus = opaque; |
2228 |
|
2229 |
return (bus->error_status != 0); |
2230 |
} |
2231 |
|
2232 |
/* Fields for GET_EVENT_STATUS_NOTIFICATION ATAPI command */
|
2233 |
static const VMStateDescription vmstate_ide_atapi_gesn_state = { |
2234 |
.name ="ide_drive/atapi/gesn_state",
|
2235 |
.version_id = 1,
|
2236 |
.minimum_version_id = 1,
|
2237 |
.minimum_version_id_old = 1,
|
2238 |
.fields = (VMStateField []) { |
2239 |
VMSTATE_BOOL(events.new_media, IDEState), |
2240 |
VMSTATE_BOOL(events.eject_request, IDEState), |
2241 |
VMSTATE_END_OF_LIST() |
2242 |
} |
2243 |
}; |
2244 |
|
2245 |
static const VMStateDescription vmstate_ide_tray_state = { |
2246 |
.name = "ide_drive/tray_state",
|
2247 |
.version_id = 1,
|
2248 |
.minimum_version_id = 1,
|
2249 |
.minimum_version_id_old = 1,
|
2250 |
.fields = (VMStateField[]) { |
2251 |
VMSTATE_BOOL(tray_open, IDEState), |
2252 |
VMSTATE_BOOL(tray_locked, IDEState), |
2253 |
VMSTATE_END_OF_LIST() |
2254 |
} |
2255 |
}; |
2256 |
|
2257 |
static const VMStateDescription vmstate_ide_drive_pio_state = { |
2258 |
.name = "ide_drive/pio_state",
|
2259 |
.version_id = 1,
|
2260 |
.minimum_version_id = 1,
|
2261 |
.minimum_version_id_old = 1,
|
2262 |
.pre_save = ide_drive_pio_pre_save, |
2263 |
.post_load = ide_drive_pio_post_load, |
2264 |
.fields = (VMStateField []) { |
2265 |
VMSTATE_INT32(req_nb_sectors, IDEState), |
2266 |
VMSTATE_VARRAY_INT32(io_buffer, IDEState, io_buffer_total_len, 1,
|
2267 |
vmstate_info_uint8, uint8_t), |
2268 |
VMSTATE_INT32(cur_io_buffer_offset, IDEState), |
2269 |
VMSTATE_INT32(cur_io_buffer_len, IDEState), |
2270 |
VMSTATE_UINT8(end_transfer_fn_idx, IDEState), |
2271 |
VMSTATE_INT32(elementary_transfer_size, IDEState), |
2272 |
VMSTATE_INT32(packet_transfer_size, IDEState), |
2273 |
VMSTATE_END_OF_LIST() |
2274 |
} |
2275 |
}; |
2276 |
|
2277 |
const VMStateDescription vmstate_ide_drive = {
|
2278 |
.name = "ide_drive",
|
2279 |
.version_id = 3,
|
2280 |
.minimum_version_id = 0,
|
2281 |
.minimum_version_id_old = 0,
|
2282 |
.post_load = ide_drive_post_load, |
2283 |
.fields = (VMStateField []) { |
2284 |
VMSTATE_INT32(mult_sectors, IDEState), |
2285 |
VMSTATE_INT32(identify_set, IDEState), |
2286 |
VMSTATE_BUFFER_TEST(identify_data, IDEState, is_identify_set), |
2287 |
VMSTATE_UINT8(feature, IDEState), |
2288 |
VMSTATE_UINT8(error, IDEState), |
2289 |
VMSTATE_UINT32(nsector, IDEState), |
2290 |
VMSTATE_UINT8(sector, IDEState), |
2291 |
VMSTATE_UINT8(lcyl, IDEState), |
2292 |
VMSTATE_UINT8(hcyl, IDEState), |
2293 |
VMSTATE_UINT8(hob_feature, IDEState), |
2294 |
VMSTATE_UINT8(hob_sector, IDEState), |
2295 |
VMSTATE_UINT8(hob_nsector, IDEState), |
2296 |
VMSTATE_UINT8(hob_lcyl, IDEState), |
2297 |
VMSTATE_UINT8(hob_hcyl, IDEState), |
2298 |
VMSTATE_UINT8(select, IDEState), |
2299 |
VMSTATE_UINT8(status, IDEState), |
2300 |
VMSTATE_UINT8(lba48, IDEState), |
2301 |
VMSTATE_UINT8(sense_key, IDEState), |
2302 |
VMSTATE_UINT8(asc, IDEState), |
2303 |
VMSTATE_UINT8_V(cdrom_changed, IDEState, 3),
|
2304 |
VMSTATE_END_OF_LIST() |
2305 |
}, |
2306 |
.subsections = (VMStateSubsection []) { |
2307 |
{ |
2308 |
.vmsd = &vmstate_ide_drive_pio_state, |
2309 |
.needed = ide_drive_pio_state_needed, |
2310 |
}, { |
2311 |
.vmsd = &vmstate_ide_tray_state, |
2312 |
.needed = ide_tray_state_needed, |
2313 |
}, { |
2314 |
.vmsd = &vmstate_ide_atapi_gesn_state, |
2315 |
.needed = ide_atapi_gesn_needed, |
2316 |
}, { |
2317 |
/* empty */
|
2318 |
} |
2319 |
} |
2320 |
}; |
2321 |
|
2322 |
static const VMStateDescription vmstate_ide_error_status = { |
2323 |
.name ="ide_bus/error",
|
2324 |
.version_id = 1,
|
2325 |
.minimum_version_id = 1,
|
2326 |
.minimum_version_id_old = 1,
|
2327 |
.fields = (VMStateField []) { |
2328 |
VMSTATE_INT32(error_status, IDEBus), |
2329 |
VMSTATE_END_OF_LIST() |
2330 |
} |
2331 |
}; |
2332 |
|
2333 |
const VMStateDescription vmstate_ide_bus = {
|
2334 |
.name = "ide_bus",
|
2335 |
.version_id = 1,
|
2336 |
.minimum_version_id = 1,
|
2337 |
.minimum_version_id_old = 1,
|
2338 |
.fields = (VMStateField []) { |
2339 |
VMSTATE_UINT8(cmd, IDEBus), |
2340 |
VMSTATE_UINT8(unit, IDEBus), |
2341 |
VMSTATE_END_OF_LIST() |
2342 |
}, |
2343 |
.subsections = (VMStateSubsection []) { |
2344 |
{ |
2345 |
.vmsd = &vmstate_ide_error_status, |
2346 |
.needed = ide_error_needed, |
2347 |
}, { |
2348 |
/* empty */
|
2349 |
} |
2350 |
} |
2351 |
}; |
2352 |
|
2353 |
void ide_drive_get(DriveInfo **hd, int max_bus) |
2354 |
{ |
2355 |
int i;
|
2356 |
|
2357 |
if (drive_get_max_bus(IF_IDE) >= max_bus) {
|
2358 |
fprintf(stderr, "qemu: too many IDE bus: %d\n", max_bus);
|
2359 |
exit(1);
|
2360 |
} |
2361 |
|
2362 |
for(i = 0; i < max_bus * MAX_IDE_DEVS; i++) { |
2363 |
hd[i] = drive_get(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS); |
2364 |
} |
2365 |
} |