diff options
| author | Gerd Hoffmann <kraxel@redhat.com> | 2009-08-20 15:22:26 +0200 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2009-08-27 20:46:50 -0500 |
| commit | 59f2a78793b6d17634f39646d604e84af51e0919 (patch) | |
| tree | da46ccf772b699b442b81147ded89cf75e97cb3b /hw/ide.c | |
| parent | 2bcbf7e4dd73fb7811ee0899f7a578412d045e81 (diff) | |
ide: move code to hw/ide/
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw/ide.c')
| -rw-r--r-- | hw/ide.c | 2700 |
1 files changed, 0 insertions, 2700 deletions
diff --git a/hw/ide.c b/hw/ide.c deleted file mode 100644 index 7064e6d0ac..0000000000 --- a/hw/ide.c +++ /dev/null @@ -1,2700 +0,0 @@ -/* - * QEMU IDE disk and CD/DVD-ROM Emulator - * - * Copyright (c) 2003 Fabrice Bellard - * Copyright (c) 2006 Openedhand Ltd. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#include "hw.h" -#include "pc.h" -#include "pci.h" -#include "scsi-disk.h" -#include "block.h" -#include "block_int.h" -#include "qemu-timer.h" -#include "sysemu.h" -#include "sh.h" -#include "dma.h" -#include "ide-internal.h" - -static int smart_attributes[][5] = { - /* id, flags, val, wrst, thrsh */ - { 0x01, 0x03, 0x64, 0x64, 0x06}, /* raw read */ - { 0x03, 0x03, 0x64, 0x64, 0x46}, /* spin up */ - { 0x04, 0x02, 0x64, 0x64, 0x14}, /* start stop count */ - { 0x05, 0x03, 0x64, 0x64, 0x36}, /* remapped sectors */ - { 0x00, 0x00, 0x00, 0x00, 0x00} -}; - -/* XXX: DVDs that could fit on a CD will be reported as a CD */ -static inline int media_present(IDEState *s) -{ - return (s->nb_sectors > 0); -} - -static inline int media_is_dvd(IDEState *s) -{ - return (media_present(s) && s->nb_sectors > CD_MAX_SECTORS); -} - -static inline int media_is_cd(IDEState *s) -{ - return (media_present(s) && s->nb_sectors <= CD_MAX_SECTORS); -} - -static void ide_dma_start(IDEState *s, BlockDriverCompletionFunc *dma_cb); -static void ide_dma_restart(IDEState *s); -static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret); - -static void padstr(char *str, const char *src, int len) -{ - int i, v; - for(i = 0; i < len; i++) { - if (*src) - v = *src++; - else - v = ' '; - str[i^1] = v; - } -} - -static void padstr8(uint8_t *buf, int buf_size, const char *src) -{ - int i; - for(i = 0; i < buf_size; i++) { - if (*src) - buf[i] = *src++; - else - buf[i] = ' '; - } -} - -static void put_le16(uint16_t *p, unsigned int v) -{ - *p = cpu_to_le16(v); -} - -static void ide_identify(IDEState *s) -{ - uint16_t *p; - unsigned int oldsize; - - if (s->identify_set) { - memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data)); - return; - } - - memset(s->io_buffer, 0, 512); - p = (uint16_t *)s->io_buffer; - put_le16(p + 0, 0x0040); - put_le16(p + 1, s->cylinders); - put_le16(p + 3, s->heads); - put_le16(p + 4, 512 * s->sectors); /* XXX: retired, remove ? */ - put_le16(p + 5, 512); /* XXX: retired, remove ? */ - put_le16(p + 6, s->sectors); - padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ - put_le16(p + 20, 3); /* XXX: retired, remove ? */ - put_le16(p + 21, 512); /* cache size in sectors */ - put_le16(p + 22, 4); /* ecc bytes */ - padstr((char *)(p + 23), QEMU_VERSION, 8); /* firmware version */ - padstr((char *)(p + 27), "QEMU HARDDISK", 40); /* model */ -#if MAX_MULT_SECTORS > 1 - put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS); -#endif - put_le16(p + 48, 1); /* dword I/O */ - put_le16(p + 49, (1 << 11) | (1 << 9) | (1 << 8)); /* DMA and LBA supported */ - put_le16(p + 51, 0x200); /* PIO transfer cycle */ - put_le16(p + 52, 0x200); /* DMA transfer cycle */ - put_le16(p + 53, 1 | (1 << 1) | (1 << 2)); /* words 54-58,64-70,88 are valid */ - put_le16(p + 54, s->cylinders); - put_le16(p + 55, s->heads); - put_le16(p + 56, s->sectors); - oldsize = s->cylinders * s->heads * s->sectors; - put_le16(p + 57, oldsize); - put_le16(p + 58, oldsize >> 16); - if (s->mult_sectors) - put_le16(p + 59, 0x100 | s->mult_sectors); - put_le16(p + 60, s->nb_sectors); - put_le16(p + 61, s->nb_sectors >> 16); - put_le16(p + 62, 0x07); /* single word dma0-2 supported */ - put_le16(p + 63, 0x07); /* mdma0-2 supported */ - put_le16(p + 65, 120); - put_le16(p + 66, 120); - put_le16(p + 67, 120); - put_le16(p + 68, 120); - put_le16(p + 80, 0xf0); /* ata3 -> ata6 supported */ - put_le16(p + 81, 0x16); /* conforms to ata5 */ - /* 14=NOP supported, 0=SMART supported */ - put_le16(p + 82, (1 << 14) | 1); - /* 13=flush_cache_ext,12=flush_cache,10=lba48 */ - put_le16(p + 83, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10)); - /* 14=set to 1, 1=SMART self test, 0=SMART error logging */ - put_le16(p + 84, (1 << 14) | 0); - /* 14 = NOP supported, 0=SMART feature set enabled */ - put_le16(p + 85, (1 << 14) | 1); - /* 13=flush_cache_ext,12=flush_cache,10=lba48 */ - put_le16(p + 86, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10)); - /* 14=set to 1, 1=smart self test, 0=smart error logging */ - put_le16(p + 87, (1 << 14) | 0); - put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */ - put_le16(p + 93, 1 | (1 << 14) | 0x2000); - put_le16(p + 100, s->nb_sectors); - put_le16(p + 101, s->nb_sectors >> 16); - put_le16(p + 102, s->nb_sectors >> 32); - put_le16(p + 103, s->nb_sectors >> 48); - - memcpy(s->identify_data, p, sizeof(s->identify_data)); - s->identify_set = 1; -} - -static void ide_atapi_identify(IDEState *s) -{ - uint16_t *p; - - if (s->identify_set) { - memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data)); - return; - } - - memset(s->io_buffer, 0, 512); - p = (uint16_t *)s->io_buffer; - /* Removable CDROM, 50us response, 12 byte packets */ - put_le16(p + 0, (2 << 14) | (5 << 8) | (1 << 7) | (2 << 5) | (0 << 0)); - padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ - put_le16(p + 20, 3); /* buffer type */ - put_le16(p + 21, 512); /* cache size in sectors */ - put_le16(p + 22, 4); /* ecc bytes */ - padstr((char *)(p + 23), QEMU_VERSION, 8); /* firmware version */ - padstr((char *)(p + 27), "QEMU DVD-ROM", 40); /* model */ - put_le16(p + 48, 1); /* dword I/O (XXX: should not be set on CDROM) */ -#ifdef USE_DMA_CDROM - put_le16(p + 49, 1 << 9 | 1 << 8); /* DMA and LBA supported */ - put_le16(p + 53, 7); /* words 64-70, 54-58, 88 valid */ - put_le16(p + 62, 7); /* single word dma0-2 supported */ - put_le16(p + 63, 7); /* mdma0-2 supported */ - put_le16(p + 64, 0x3f); /* PIO modes supported */ -#else - put_le16(p + 49, 1 << 9); /* LBA supported, no DMA */ - put_le16(p + 53, 3); /* words 64-70, 54-58 valid */ - put_le16(p + 63, 0x103); /* DMA modes XXX: may be incorrect */ - put_le16(p + 64, 1); /* PIO modes */ -#endif - put_le16(p + 65, 0xb4); /* minimum DMA multiword tx cycle time */ - put_le16(p + 66, 0xb4); /* recommended DMA multiword tx cycle time */ - put_le16(p + 67, 0x12c); /* minimum PIO cycle time without flow control */ - put_le16(p + 68, 0xb4); /* minimum PIO cycle time with IORDY flow control */ - - put_le16(p + 71, 30); /* in ns */ - put_le16(p + 72, 30); /* in ns */ - - put_le16(p + 80, 0x1e); /* support up to ATA/ATAPI-4 */ -#ifdef USE_DMA_CDROM - put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */ -#endif - memcpy(s->identify_data, p, sizeof(s->identify_data)); - s->identify_set = 1; -} - -static void ide_cfata_identify(IDEState *s) -{ - uint16_t *p; - uint32_t cur_sec; - - p = (uint16_t *) s->identify_data; - if (s->identify_set) - goto fill_buffer; - - memset(p, 0, sizeof(s->identify_data)); - - cur_sec = s->cylinders * s->heads * s->sectors; - - put_le16(p + 0, 0x848a); /* CF Storage Card signature */ - put_le16(p + 1, s->cylinders); /* Default cylinders */ - put_le16(p + 3, s->heads); /* Default heads */ - put_le16(p + 6, s->sectors); /* Default sectors per track */ - put_le16(p + 7, s->nb_sectors >> 16); /* Sectors per card */ - put_le16(p + 8, s->nb_sectors); /* Sectors per card */ - padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */ - put_le16(p + 22, 0x0004); /* ECC bytes */ - padstr((char *) (p + 23), QEMU_VERSION, 8); /* Firmware Revision */ - padstr((char *) (p + 27), "QEMU MICRODRIVE", 40);/* Model number */ -#if MAX_MULT_SECTORS > 1 - put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS); -#else - put_le16(p + 47, 0x0000); -#endif - put_le16(p + 49, 0x0f00); /* Capabilities */ - put_le16(p + 51, 0x0002); /* PIO cycle timing mode */ - put_le16(p + 52, 0x0001); /* DMA cycle timing mode */ - put_le16(p + 53, 0x0003); /* Translation params valid */ - put_le16(p + 54, s->cylinders); /* Current cylinders */ - put_le16(p + 55, s->heads); /* Current heads */ - put_le16(p + 56, s->sectors); /* Current sectors */ - put_le16(p + 57, cur_sec); /* Current capacity */ - put_le16(p + 58, cur_sec >> 16); /* Current capacity */ - if (s->mult_sectors) /* Multiple sector setting */ - put_le16(p + 59, 0x100 | s->mult_sectors); - put_le16(p + 60, s->nb_sectors); /* Total LBA sectors */ - put_le16(p + 61, s->nb_sectors >> 16); /* Total LBA sectors */ - put_le16(p + 63, 0x0203); /* Multiword DMA capability */ - put_le16(p + 64, 0x0001); /* Flow Control PIO support */ - put_le16(p + 65, 0x0096); /* Min. Multiword DMA cycle */ - put_le16(p + 66, 0x0096); /* Rec. Multiword DMA cycle */ - put_le16(p + 68, 0x00b4); /* Min. PIO cycle time */ - put_le16(p + 82, 0x400c); /* Command Set supported */ - put_le16(p + 83, 0x7068); /* Command Set supported */ - put_le16(p + 84, 0x4000); /* Features supported */ - put_le16(p + 85, 0x000c); /* Command Set enabled */ - put_le16(p + 86, 0x7044); /* Command Set enabled */ - put_le16(p + 87, 0x4000); /* Features enabled */ - put_le16(p + 91, 0x4060); /* Current APM level */ - put_le16(p + 129, 0x0002); /* Current features option */ - put_le16(p + 130, 0x0005); /* Reassigned sectors */ - put_le16(p + 131, 0x0001); /* Initial power mode */ - put_le16(p + 132, 0x0000); /* User signature */ - put_le16(p + 160, 0x8100); /* Power requirement */ - put_le16(p + 161, 0x8001); /* CF command set */ - - s->identify_set = 1; - -fill_buffer: - memcpy(s->io_buffer, p, sizeof(s->identify_data)); -} - -static void ide_set_signature(IDEState *s) -{ - s->select &= 0xf0; /* clear head */ - /* put signature */ - s->nsector = 1; - s->sector = 1; - if (s->is_cdrom) { - s->lcyl = 0x14; - s->hcyl = 0xeb; - } else if (s->bs) { - s->lcyl = 0; - s->hcyl = 0; - } else { - s->lcyl = 0xff; - s->hcyl = 0xff; - } -} - -static inline void ide_abort_command(IDEState *s) -{ - s->status = READY_STAT | ERR_STAT; - s->error = ABRT_ERR; -} - -static inline void ide_dma_submit_check(IDEState *s, - BlockDriverCompletionFunc *dma_cb, BMDMAState *bm) -{ - if (bm->aiocb) - return; - dma_cb(bm, -1); -} - -/* prepare data transfer and tell what to do after */ -static void ide_transfer_start(IDEState *s, uint8_t *buf, int size, - EndTransferFunc *end_transfer_func) -{ - s->end_transfer_func = end_transfer_func; - s->data_ptr = buf; - s->data_end = buf + size; - if (!(s->status & ERR_STAT)) - s->status |= DRQ_STAT; -} - -static void ide_transfer_stop(IDEState *s) -{ - s->end_transfer_func = ide_transfer_stop; - s->data_ptr = s->io_buffer; - s->data_end = s->io_buffer; - s->status &= ~DRQ_STAT; -} - -int64_t ide_get_sector(IDEState *s) -{ - int64_t sector_num; - if (s->select & 0x40) { - /* lba */ - if (!s->lba48) { - sector_num = ((s->select & 0x0f) << 24) | (s->hcyl << 16) | - (s->lcyl << 8) | s->sector; - } else { - sector_num = ((int64_t)s->hob_hcyl << 40) | - ((int64_t) s->hob_lcyl << 32) | - ((int64_t) s->hob_sector << 24) | - ((int64_t) s->hcyl << 16) | - ((int64_t) s->lcyl << 8) | s->sector; - } - } else { - sector_num = ((s->hcyl << 8) | s->lcyl) * s->heads * s->sectors + - (s->select & 0x0f) * s->sectors + (s->sector - 1); - } - return sector_num; -} - -void ide_set_sector(IDEState *s, int64_t sector_num) -{ - unsigned int cyl, r; - if (s->select & 0x40) { - if (!s->lba48) { - s->select = (s->select & 0xf0) | (sector_num >> 24); - s->hcyl = (sector_num >> 16); - s->lcyl = (sector_num >> 8); - s->sector = (sector_num); - } else { - s->sector = sector_num; - s->lcyl = sector_num >> 8; - s->hcyl = sector_num >> 16; - s->hob_sector = sector_num >> 24; - s->hob_lcyl = sector_num >> 32; - s->hob_hcyl = sector_num >> 40; - } - } else { - cyl = sector_num / (s->heads * s->sectors); - r = sector_num % (s->heads * s->sectors); - s->hcyl = cyl >> 8; - s->lcyl = cyl; - s->select = (s->select & 0xf0) | ((r / s->sectors) & 0x0f); - s->sector = (r % s->sectors) + 1; - } -} - -static void ide_rw_error(IDEState *s) { - ide_abort_command(s); - ide_set_irq(s); -} - -static void ide_sector_read(IDEState *s) -{ - int64_t sector_num; - int ret, n; - - s->status = READY_STAT | SEEK_STAT; - s->error = 0; /* not needed by IDE spec, but needed by Windows */ - sector_num = ide_get_sector(s); - n = s->nsector; - if (n == 0) { - /* no more sector to read from disk */ - ide_transfer_stop(s); - } else { -#if defined(DEBUG_IDE) - printf("read sector=%" PRId64 "\n", sector_num); -#endif - if (n > s->req_nb_sectors) - n = s->req_nb_sectors; - ret = bdrv_read(s->bs, sector_num, s->io_buffer, n); - if (ret != 0) { - ide_rw_error(s); - return; - } - ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_read); - ide_set_irq(s); - ide_set_sector(s, sector_num + n); - s->nsector -= n; - } -} - - -/* return 0 if buffer completed */ -static int dma_buf_prepare(BMDMAState *bm, int is_write) -{ - IDEState *s = bmdma_active_if(bm); - struct { - uint32_t addr; - uint32_t size; - } prd; - int l, len; - - qemu_sglist_init(&s->sg, s->nsector / (TARGET_PAGE_SIZE/512) + 1); - s->io_buffer_size = 0; - for(;;) { - if (bm->cur_prd_len == 0) { - /* end of table (with a fail safe of one page) */ - if (bm->cur_prd_last || - (bm->cur_addr - bm->addr) >= 4096) - return s->io_buffer_size != 0; - cpu_physical_memory_read(bm->cur_addr, (uint8_t *)&prd, 8); - bm->cur_addr += 8; - prd.addr = le32_to_cpu(prd.addr); - prd.size = le32_to_cpu(prd.size); - len = prd.size & 0xfffe; - if (len == 0) - len = 0x10000; - bm->cur_prd_len = len; - bm->cur_prd_addr = prd.addr; - bm->cur_prd_last = (prd.size & 0x80000000); - } - l = bm->cur_prd_len; - if (l > 0) { - qemu_sglist_add(&s->sg, bm->cur_prd_addr, l); - bm->cur_prd_addr += l; - bm->cur_prd_len -= l; - s->io_buffer_size += l; - } - } - return 1; -} - -static void dma_buf_commit(IDEState *s, int is_write) -{ - qemu_sglist_destroy(&s->sg); -} - -void ide_dma_error(IDEState *s) -{ - ide_transfer_stop(s); - s->error = ABRT_ERR; - s->status = READY_STAT | ERR_STAT; - ide_set_irq(s); -} - -static int ide_handle_write_error(IDEState *s, int error, int op) -{ - BlockInterfaceErrorAction action = drive_get_onerror(s->bs); - - if (action == BLOCK_ERR_IGNORE) - return 0; - - if ((error == ENOSPC && action == BLOCK_ERR_STOP_ENOSPC) - || action == BLOCK_ERR_STOP_ANY) { - s->bus->bmdma->unit = s->unit; - s->bus->bmdma->status |= op; - vm_stop(0); - } else { - if (op == BM_STATUS_DMA_RETRY) { - dma_buf_commit(s, 0); - ide_dma_error(s); - } else { - ide_rw_error(s); - } - } - - return 1; -} - -/* return 0 if buffer completed */ -static int dma_buf_rw(BMDMAState *bm, int is_write) -{ - IDEState *s = bmdma_active_if(bm); - struct { - uint32_t addr; - uint32_t size; - } prd; - int l, len; - - for(;;) { - l = s->io_buffer_size - s->io_buffer_index; - if (l <= 0) - break; - if (bm->cur_prd_len == 0) { - /* end of table (with a fail safe of one page) */ - if (bm->cur_prd_last || - (bm->cur_addr - bm->addr) >= 4096) - return 0; - cpu_physical_memory_read(bm->cur_addr, (uint8_t *)&prd, 8); - bm->cur_addr += 8; - prd.addr = le32_to_cpu(prd.addr); - prd.size = le32_to_cpu(prd.size); - len = prd.size & 0xfffe; - if (len == 0) - len = 0x10000; - bm->cur_prd_len = len; - bm->cur_prd_addr = prd.addr; - bm->cur_prd_last = (prd.size & 0x80000000); - } - if (l > bm->cur_prd_len) - l = bm->cur_prd_len; - if (l > 0) { - if (is_write) { - cpu_physical_memory_write(bm->cur_prd_addr, - s->io_buffer + s->io_buffer_index, l); - } else { - cpu_physical_memory_read(bm->cur_prd_addr, - s->io_buffer + s->io_buffer_index, l); - } - bm->cur_prd_addr += l; - bm->cur_prd_len -= l; - s->io_buffer_index += l; - } - } - return 1; -} - -static void ide_read_dma_cb(void *opaque, int ret) -{ - BMDMAState *bm = opaque; - IDEState *s = bmdma_active_if(bm); - int n; - int64_t sector_num; - - if (ret < 0) { - dma_buf_commit(s, 1); - ide_dma_error(s); - return; - } - - n = s->io_buffer_size >> 9; - sector_num = ide_get_sector(s); - if (n > 0) { - dma_buf_commit(s, 1); - sector_num += n; - ide_set_sector(s, sector_num); - s->nsector -= n; - } - - /* end of transfer ? */ - if (s->nsector == 0) { - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - eot: - bm->status &= ~BM_STATUS_DMAING; - bm->status |= BM_STATUS_INT; - bm->dma_cb = NULL; - bm->unit = -1; - bm->aiocb = NULL; - return; - } - - /* launch next transfer */ - n = s->nsector; - s->io_buffer_index = 0; - s->io_buffer_size = n * 512; - if (dma_buf_prepare(bm, 1) == 0) - goto eot; -#ifdef DEBUG_AIO - printf("aio_read: sector_num=%" PRId64 " n=%d\n", sector_num, n); -#endif - bm->aiocb = dma_bdrv_read(s->bs, &s->sg, sector_num, ide_read_dma_cb, bm); - ide_dma_submit_check(s, ide_read_dma_cb, bm); -} - -static void ide_sector_read_dma(IDEState *s) -{ - s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; - s->io_buffer_index = 0; - s->io_buffer_size = 0; - s->is_read = 1; - ide_dma_start(s, ide_read_dma_cb); -} - -static void ide_sector_write_timer_cb(void *opaque) -{ - IDEState *s = opaque; - ide_set_irq(s); -} - -static void ide_sector_write(IDEState *s) -{ - int64_t sector_num; - int ret, n, n1; - - s->status = READY_STAT | SEEK_STAT; - sector_num = ide_get_sector(s); -#if defined(DEBUG_IDE) - printf("write sector=%" PRId64 "\n", sector_num); -#endif - n = s->nsector; - if (n > s->req_nb_sectors) - n = s->req_nb_sectors; - ret = bdrv_write(s->bs, sector_num, s->io_buffer, n); - - if (ret != 0) { - if (ide_handle_write_error(s, -ret, BM_STATUS_PIO_RETRY)) - return; - } - - s->nsector -= n; - if (s->nsector == 0) { - /* no more sectors to write */ - ide_transfer_stop(s); - } else { - n1 = s->nsector; - if (n1 > s->req_nb_sectors) - n1 = s->req_nb_sectors; - ide_transfer_start(s, s->io_buffer, 512 * n1, ide_sector_write); - } - ide_set_sector(s, sector_num + n); - -#ifdef TARGET_I386 - if (win2k_install_hack && ((++s->irq_count % 16) == 0)) { - /* It seems there is a bug in the Windows 2000 installer HDD - IDE driver which fills the disk with empty logs when the - IDE write IRQ comes too early. This hack tries to correct - that at the expense of slower write performances. Use this - option _only_ to install Windows 2000. You must disable it - for normal use. */ - qemu_mod_timer(s->sector_write_timer, - qemu_get_clock(vm_clock) + (ticks_per_sec / 1000)); - } else -#endif - { - ide_set_irq(s); - } -} - -static void ide_dma_restart_bh(void *opaque) -{ - BMDMAState *bm = opaque; - - qemu_bh_delete(bm->bh); - bm->bh = NULL; - - if (bm->status & BM_STATUS_DMA_RETRY) { - bm->status &= ~BM_STATUS_DMA_RETRY; - ide_dma_restart(bmdma_active_if(bm)); - } else if (bm->status & BM_STATUS_PIO_RETRY) { - bm->status &= ~BM_STATUS_PIO_RETRY; - ide_sector_write(bmdma_active_if(bm)); - } -} - -void ide_dma_restart_cb(void *opaque, int running, int reason) -{ - BMDMAState *bm = opaque; - - if (!running) - return; - - if (!bm->bh) { - bm->bh = qemu_bh_new(ide_dma_restart_bh, bm); - qemu_bh_schedule(bm->bh); - } -} - -static void ide_write_dma_cb(void *opaque, int ret) -{ - BMDMAState *bm = opaque; - IDEState *s = bmdma_active_if(bm); - int n; - int64_t sector_num; - - if (ret < 0) { - if (ide_handle_write_error(s, -ret, BM_STATUS_DMA_RETRY)) - return; - } - - n = s->io_buffer_size >> 9; - sector_num = ide_get_sector(s); - if (n > 0) { - dma_buf_commit(s, 0); - sector_num += n; - ide_set_sector(s, sector_num); - s->nsector -= n; - } - - /* end of transfer ? */ - if (s->nsector == 0) { - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - eot: - bm->status &= ~BM_STATUS_DMAING; - bm->status |= BM_STATUS_INT; - bm->dma_cb = NULL; - bm->unit = -1; - bm->aiocb = NULL; - return; - } - - n = s->nsector; - s->io_buffer_size = n * 512; - /* launch next transfer */ - if (dma_buf_prepare(bm, 0) == 0) - goto eot; -#ifdef DEBUG_AIO - printf("aio_write: sector_num=%" PRId64 " n=%d\n", sector_num, n); -#endif - bm->aiocb = dma_bdrv_write(s->bs, &s->sg, sector_num, ide_write_dma_cb, bm); - ide_dma_submit_check(s, ide_write_dma_cb, bm); -} - -static void ide_sector_write_dma(IDEState *s) -{ - s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; - s->io_buffer_index = 0; - s->io_buffer_size = 0; - s->is_read = 0; - ide_dma_start(s, ide_write_dma_cb); -} - -void ide_atapi_cmd_ok(IDEState *s) -{ - s->error = 0; - s->status = READY_STAT | SEEK_STAT; - s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD; - ide_set_irq(s); -} - -void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc) -{ -#ifdef DEBUG_IDE_ATAPI - printf("atapi_cmd_error: sense=0x%x asc=0x%x\n", sense_key, asc); -#endif - s->error = sense_key << 4; - s->status = READY_STAT | ERR_STAT; - s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD; - s->sense_key = sense_key; - s->asc = asc; - ide_set_irq(s); -} - -static void ide_atapi_cmd_check_status(IDEState *s) -{ -#ifdef DEBUG_IDE_ATAPI - printf("atapi_cmd_check_status\n"); -#endif - s->error = MC_ERR | (SENSE_UNIT_ATTENTION << 4); - s->status = ERR_STAT; - s->nsector = 0; - ide_set_irq(s); -} - -static inline void cpu_to_ube16(uint8_t *buf, int val) -{ - buf[0] = val >> 8; - buf[1] = val & 0xff; -} - -static inline void cpu_to_ube32(uint8_t *buf, unsigned int val) -{ - buf[0] = val >> 24; - buf[1] = val >> 16; - buf[2] = val >> 8; - buf[3] = val & 0xff; -} - -static inline int ube16_to_cpu(const uint8_t *buf) -{ - return (buf[0] << 8) | buf[1]; -} - -static inline int ube32_to_cpu(const uint8_t *buf) -{ - return (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]; -} - -static void lba_to_msf(uint8_t *buf, int lba) -{ - lba += 150; - buf[0] = (lba / 75) / 60; - buf[1] = (lba / 75) % 60; - buf[2] = lba % 75; -} - -static void cd_data_to_raw(uint8_t *buf, int lba) -{ - /* sync bytes */ - buf[0] = 0x00; - memset(buf + 1, 0xff, 10); - buf[11] = 0x00; - buf += 12; - /* MSF */ - lba_to_msf(buf, lba); - buf[3] = 0x01; /* mode 1 data */ - buf += 4; - /* data */ - buf += 2048; - /* XXX: ECC not computed */ - memset(buf, 0, 288); -} - -static int cd_read_sector(BlockDriverState *bs, int lba, uint8_t *buf, - int sector_size) -{ - int ret; - - switch(sector_size) { - case 2048: - ret = bdrv_read(bs, (int64_t)lba << 2, buf, 4); - break; - case 2352: - ret = bdrv_read(bs, (int64_t)lba << 2, buf + 16, 4); - if (ret < 0) - return ret; - cd_data_to_raw(buf, lba); - break; - default: - ret = -EIO; - break; - } - return ret; -} - -void ide_atapi_io_error(IDEState *s, int ret) -{ - /* XXX: handle more errors */ - if (ret == -ENOMEDIUM) { - ide_atapi_cmd_error(s, SENSE_NOT_READY, - ASC_MEDIUM_NOT_PRESENT); - } else { - ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, - ASC_LOGICAL_BLOCK_OOR); - } -} - -/* The whole ATAPI transfer logic is handled in this function */ -static void ide_atapi_cmd_reply_end(IDEState *s) -{ - int byte_count_limit, size, ret; -#ifdef DEBUG_IDE_ATAPI - printf("reply: tx_size=%d elem_tx_size=%d index=%d\n", - s->packet_transfer_size, - s->elementary_transfer_size, - s->io_buffer_index); -#endif - if (s->packet_transfer_size <= 0) { - /* end of transfer */ - ide_transfer_stop(s); - s->status = READY_STAT | SEEK_STAT; - s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD; - ide_set_irq(s); -#ifdef DEBUG_IDE_ATAPI - printf("status=0x%x\n", s->status); -#endif - } else { - /* see if a new sector must be read */ - if (s->lba != -1 && s->io_buffer_index >= s->cd_sector_size) { - ret = cd_read_sector(s->bs, s->lba, s->io_buffer, s->cd_sector_size); - if (ret < 0) { - ide_transfer_stop(s); - ide_atapi_io_error(s, ret); - return; - } - s->lba++; - s->io_buffer_index = 0; - } - if (s->elementary_transfer_size > 0) { - /* there are some data left to transmit in this elementary - transfer */ - size = s->cd_sector_size - s->io_buffer_index; - if (size > s->elementary_transfer_size) - size = s->elementary_transfer_size; - ide_transfer_start(s, s->io_buffer + s->io_buffer_index, - size, ide_atapi_cmd_reply_end); - s->packet_transfer_size -= size; - s->elementary_transfer_size -= size; - s->io_buffer_index += size; - } else { - /* a new transfer is needed */ - s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO; - byte_count_limit = s->lcyl | (s->hcyl << 8); -#ifdef DEBUG_IDE_ATAPI - printf("byte_count_limit=%d\n", byte_count_limit); -#endif - if (byte_count_limit == 0xffff) - byte_count_limit--; - size = s->packet_transfer_size; - if (size > byte_count_limit) { - /* byte count limit must be even if this case */ - if (byte_count_limit & 1) - byte_count_limit--; - size = byte_count_limit; - } - s->lcyl = size; - s->hcyl = size >> 8; - s->elementary_transfer_size = size; - /* we cannot transmit more than one sector at a time */ - if (s->lba != -1) { - if (size > (s->cd_sector_size - s->io_buffer_index)) - size = (s->cd_sector_size - s->io_buffer_index); - } - ide_transfer_start(s, s->io_buffer + s->io_buffer_index, - size, ide_atapi_cmd_reply_end); - s->packet_transfer_size -= size; - s->elementary_transfer_size -= size; - s->io_buffer_index += size; - ide_set_irq(s); -#ifdef DEBUG_IDE_ATAPI - printf("status=0x%x\n", s->status); -#endif - } - } -} - -/* send a reply of 'size' bytes in s->io_buffer to an ATAPI command */ -static void ide_atapi_cmd_reply(IDEState *s, int size, int max_size) -{ - if (size > max_size) - size = max_size; - s->lba = -1; /* no sector read */ - s->packet_transfer_size = size; - s->io_buffer_size = size; /* dma: send the reply data as one chunk */ - s->elementary_transfer_size = 0; - s->io_buffer_index = 0; - - if (s->atapi_dma) { - s->status = READY_STAT | SEEK_STAT | DRQ_STAT; - ide_dma_start(s, ide_atapi_cmd_read_dma_cb); - } else { - s->status = READY_STAT | SEEK_STAT; - ide_atapi_cmd_reply_end(s); - } -} - -/* start a CD-CDROM read command */ -static void ide_atapi_cmd_read_pio(IDEState *s, int lba, int nb_sectors, - int sector_size) -{ - s->lba = lba; - s->packet_transfer_size = nb_sectors * sector_size; - s->elementary_transfer_size = 0; - s->io_buffer_index = sector_size; - s->cd_sector_size = sector_size; - - s->status = READY_STAT | SEEK_STAT; - ide_atapi_cmd_reply_end(s); -} - -/* ATAPI DMA support */ - -/* XXX: handle read errors */ -static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret) -{ - BMDMAState *bm = opaque; - IDEState *s = bmdma_active_if(bm); - int data_offset, n; - - if (ret < 0) { - ide_atapi_io_error(s, ret); - goto eot; - } - - if (s->io_buffer_size > 0) { - /* - * For a cdrom read sector command (s->lba != -1), - * adjust the lba for the next s->io_buffer_size chunk - * and dma the current chunk. - * For a command != read (s->lba == -1), just transfer - * the reply data. - */ - if (s->lba != -1) { - if (s->cd_sector_size == 2352) { - n = 1; - cd_data_to_raw(s->io_buffer, s->lba); - } else { - n = s->io_buffer_size >> 11; - } - s->lba += n; - } - s->packet_transfer_size -= s->io_buffer_size; - if (dma_buf_rw(bm, 1) == 0) - goto eot; - } - - if (s->packet_transfer_size <= 0) { - s->status = READY_STAT | SEEK_STAT; - s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD; - ide_set_irq(s); - eot: - bm->status &= ~BM_STATUS_DMAING; - bm->status |= BM_STATUS_INT; - bm->dma_cb = NULL; - bm->unit = -1; - bm->aiocb = NULL; - return; - } - - s->io_buffer_index = 0; - if (s->cd_sector_size == 2352) { - n = 1; - s->io_buffer_size = s->cd_sector_size; - data_offset = 16; - } else { - n = s->packet_transfer_size >> 11; - if (n > (IDE_DMA_BUF_SECTORS / 4)) - n = (IDE_DMA_BUF_SECTORS / 4); - s->io_buffer_size = n * 2048; - data_offset = 0; - } -#ifdef DEBUG_AIO - printf("aio_read_cd: lba=%u n=%d\n", s->lba, n); -#endif - bm->iov.iov_base = (void *)(s->io_buffer + data_offset); - bm->iov.iov_len = n * 4 * 512; - qemu_iovec_init_external(&bm->qiov, &bm->iov, 1); - bm->aiocb = bdrv_aio_readv(s->bs, (int64_t)s->lba << 2, &bm->qiov, - n * 4, ide_atapi_cmd_read_dma_cb, bm); - if (!bm->aiocb) { - /* Note: media not present is the most likely case */ - ide_atapi_cmd_error(s, SENSE_NOT_READY, - ASC_MEDIUM_NOT_PRESENT); - goto eot; - } -} - -/* start a CD-CDROM read command with DMA */ -/* XXX: test if DMA is available */ -static void ide_atapi_cmd_read_dma(IDEState *s, int lba, int nb_sectors, - int sector_size) -{ - s->lba = lba; - s->packet_transfer_size = nb_sectors * sector_size; - s->io_buffer_index = 0; - s->io_buffer_size = 0; - s->cd_sector_size = sector_size; - - /* XXX: check if BUSY_STAT should be set */ - s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT; - ide_dma_start(s, ide_atapi_cmd_read_dma_cb); -} - -static void ide_atapi_cmd_read(IDEState *s, int lba, int nb_sectors, - int sector_size) -{ -#ifdef DEBUG_IDE_ATAPI - printf("read %s: LBA=%d nb_sectors=%d\n", s->atapi_dma ? "dma" : "pio", - lba, nb_sectors); -#endif - if (s->atapi_dma) { - ide_atapi_cmd_read_dma(s, lba, nb_sectors, sector_size); - } else { - ide_atapi_cmd_read_pio(s, lba, nb_sectors, sector_size); - } -} - -static inline uint8_t ide_atapi_set_profile(uint8_t *buf, uint8_t *index, - uint16_t profile) -{ - uint8_t *buf_profile = buf + 12; /* start of profiles */ - - buf_profile += ((*index) * 4); /* start of indexed profile */ - cpu_to_ube16 (buf_profile, profile); - buf_profile[2] = ((buf_profile[0] == buf[6]) && (buf_profile[1] == buf[7])); - - /* each profile adds 4 bytes to the response */ - (*index)++; - buf[11] += 4; /* Additional Length */ - - return 4; -} - -static int ide_dvd_read_structure(IDEState *s, int format, - const uint8_t *packet, uint8_t *buf) -{ - switch (format) { - case 0x0: /* Physical format information */ - { - int layer = packet[6]; - uint64_t total_sectors; - - if (layer != 0) - return -ASC_INV_FIELD_IN_CMD_PACKET; - - bdrv_get_geometry(s->bs, &total_sectors); - total_sectors >>= 2; - if (total_sectors == 0) - return -ASC_MEDIUM_NOT_PRESENT; - - buf[4] = 1; /* DVD-ROM, part version 1 */ - buf[5] = 0xf; /* 120mm disc, minimum rate unspecified */ - buf[6] = 1; /* one layer, read-only (per MMC-2 spec) */ - buf[7] = 0; /* default densities */ - - /* FIXME: 0x30000 per spec? */ - cpu_to_ube32(buf + 8, 0); /* start sector */ - cpu_to_ube32(buf + 12, total_sectors - 1); /* end sector */ - cpu_to_ube32(buf + 16, total_sectors - 1); /* l0 end sector */ - - /* Size of buffer, not including 2 byte size field */ - cpu_to_be16wu((uint16_t *)buf, 2048 + 2); - - /* 2k data + 4 byte header */ - return (2048 + 4); - } - - case 0x01: /* DVD copyright information */ - buf[4] = 0; /* no copyright data */ - buf[5] = 0; /* no region restrictions */ - - /* Size of buffer, not including 2 byte size field */ - cpu_to_be16wu((uint16_t *)buf, 4 + 2); - - /* 4 byte header + 4 byte data */ - return (4 + 4); - - case 0x03: /* BCA information - invalid field for no BCA info */ - return -ASC_INV_FIELD_IN_CMD_PACKET; - - case 0x04: /* DVD disc manufacturing information */ - /* Size of buffer, not including 2 byte size field */ - cpu_to_be16wu((uint16_t *)buf, 2048 + 2); - - /* 2k data + 4 byte header */ - return (2048 + 4); - - case 0xff: - /* - * This lists all the command capabilities above. Add new ones - * in order and update the length and buffer return values. - */ - - buf[4] = 0x00; /* Physical format */ - buf[5] = 0x40; /* Not writable, is readable */ - cpu_to_be16wu((uint16_t *)(buf + 6), 2048 + 4); - - buf[8] = 0x01; /* Copyright info */ - buf[9] = 0x40; /* Not writable, is readable */ - cpu_to_be16wu((uint16_t *)(buf + 10), 4 + 4); - - buf[12] = 0x03; /* BCA info */ - buf[13] = 0x40; /* Not writable, is readable */ - cpu_to_be16wu((uint16_t *)(buf + 14), 188 + 4); - - buf[16] = 0x04; /* Manufacturing info */ - buf[17] = 0x40; /* Not writable, is readable */ - cpu_to_be16wu((uint16_t *)(buf + 18), 2048 + 4); - - /* Size of buffer, not including 2 byte size field */ - cpu_to_be16wu((uint16_t *)buf, 16 + 2); - - /* data written + 4 byte header */ - return (16 + 4); - - default: /* TODO: formats beyond DVD-ROM requires */ - return -ASC_INV_FIELD_IN_CMD_PACKET; - } -} - -static void ide_atapi_cmd(IDEState *s) -{ - const uint8_t *packet; - uint8_t *buf; - int max_len; - - packet = s->io_buffer; - buf = s->io_buffer; -#ifdef DEBUG_IDE_ATAPI - { - int i; - printf("ATAPI limit=0x%x packet:", s->lcyl | (s->hcyl << 8)); - for(i = 0; i < ATAPI_PACKET_SIZE; i++) { - printf(" %02x", packet[i]); - } - printf("\n"); - } -#endif - /* If there's a UNIT_ATTENTION condition pending, only - REQUEST_SENSE and INQUIRY commands are allowed to complete. */ - if (s->sense_key == SENSE_UNIT_ATTENTION && - s->io_buffer[0] != GPCMD_REQUEST_SENSE && - s->io_buffer[0] != GPCMD_INQUIRY) { - ide_atapi_cmd_check_status(s); - return; - } - switch(s->io_buffer[0]) { - case GPCMD_TEST_UNIT_READY: - if (bdrv_is_inserted(s->bs) && !s->cdrom_changed) { - ide_atapi_cmd_ok(s); - } else { - s->cdrom_changed = 0; - ide_atapi_cmd_error(s, SENSE_NOT_READY, - ASC_MEDIUM_NOT_PRESENT); - } - break; - case GPCMD_MODE_SENSE_6: - case GPCMD_MODE_SENSE_10: - { - int action, code; - if (packet[0] == GPCMD_MODE_SENSE_10) - max_len = ube16_to_cpu(packet + 7); - else - max_len = packet[4]; - action = packet[2] >> 6; - code = packet[2] & 0x3f; - switch(action) { - case 0: /* current values */ - switch(code) { - case 0x01: /* error recovery */ - cpu_to_ube16(&buf[0], 16 + 6); - buf[2] = 0x70; - buf[3] = 0; - buf[4] = 0; - buf[5] = 0; - buf[6] = 0; - buf[7] = 0; - - buf[8] = 0x01; - buf[9] = 0x06; - buf[10] = 0x00; - buf[11] = 0x05; - buf[12] = 0x00; - buf[13] = 0x00; - buf[14] = 0x00; - buf[15] = 0x00; - ide_atapi_cmd_reply(s, 16, max_len); - break; - case 0x2a: - cpu_to_ube16(&buf[0], 28 + 6); - buf[2] = 0x70; - buf[3] = 0; - buf[4] = 0; - buf[5] = 0; - buf[6] = 0; - buf[7] = 0; - - buf[8] = 0x2a; - buf[9] = 0x12; - buf[10] = 0x00; - buf[11] = 0x00; - - /* Claim PLAY_AUDIO capability (0x01) since some Linux - code checks for this to automount media. */ - buf[12] = 0x71; - buf[13] = 3 << 5; - buf[14] = (1 << 0) | (1 << 3) | (1 << 5); - if (bdrv_is_locked(s->bs)) - buf[6] |= 1 << 1; - buf[15] = 0x00; - cpu_to_ube16(&buf[16], 706); - buf[18] = 0; - buf[19] = 2; - cpu_to_ube16(&buf[20], 512); - cpu_to_ube16(&buf[22], 706); - buf[24] = 0; - buf[25] = 0; - buf[26] = 0; - buf[27] = 0; - ide_atapi_cmd_reply(s, 28, max_len); - break; - default: - goto error_cmd; - } - break; - case 1: /* changeable values */ - goto error_cmd; - case 2: /* default values */ - goto error_cmd; - default: - case 3: /* saved values */ - ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, - ASC_SAVING_PARAMETERS_NOT_SUPPORTED); - break; - } - } - break; - case GPCMD_REQUEST_SENSE: - max_len = packet[4]; - memset(buf, 0, 18); - buf[0] = 0x70 | (1 << 7); - buf[2] = s->sense_key; - buf[7] = 10; - buf[12] = s->asc; - if (s->sense_key == SENSE_UNIT_ATTENTION) - s->sense_key = SENSE_NONE; - ide_atapi_cmd_reply(s, 18, max_len); - break; - case GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL: - if (bdrv_is_inserted(s->bs)) { - bdrv_set_locked(s->bs, packet[4] & 1); - ide_atapi_cmd_ok(s); - } else { - ide_atapi_cmd_error(s, SENSE_NOT_READY, - ASC_MEDIUM_NOT_PRESENT); - } - break; - case GPCMD_READ_10: - case GPCMD_READ_12: - { - int nb_sectors, lba; - - if (packet[0] == GPCMD_READ_10) - nb_sectors = ube16_to_cpu(packet + 7); - else - nb_sectors = ube32_to_cpu(packet + 6); - lba = ube32_to_cpu(packet + 2); - if (nb_sectors == 0) { - ide_atapi_cmd_ok(s); - break; - } - ide_atapi_cmd_read(s, lba, nb_sectors, 2048); - } - break; - case GPCMD_READ_CD: - { - int nb_sectors, lba, transfer_request; - - nb_sectors = (packet[6] << 16) | (packet[7] << 8) | packet[8]; - lba = ube32_to_cpu(packet + 2); - if (nb_sectors == 0) { - ide_atapi_cmd_ok(s); - break; - } - transfer_request = packet[9]; - switch(transfer_request & 0xf8) { - case 0x00: - /* nothing */ - ide_atapi_cmd_ok(s); - break; - case 0x10: - /* normal read */ - ide_atapi_cmd_read(s, lba, nb_sectors, 2048); - break; - case 0xf8: - /* read all data */ - ide_atapi_cmd_read(s, lba, nb_sectors, 2352); - break; - default: - ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, - ASC_INV_FIELD_IN_CMD_PACKET); - break; - } - } - break; - case GPCMD_SEEK: - { - unsigned int lba; - uint64_t total_sectors; - - bdrv_get_geometry(s->bs, &total_sectors); - total_sectors >>= 2; - if (total_sectors == 0) { - ide_atapi_cmd_error(s, SENSE_NOT_READY, - ASC_MEDIUM_NOT_PRESENT); - break; - } - lba = ube32_to_cpu(packet + 2); - if (lba >= total_sectors) { - ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, - ASC_LOGICAL_BLOCK_OOR); - break; - } - ide_atapi_cmd_ok(s); - } - break; - case GPCMD_START_STOP_UNIT: - { - int start, eject, err = 0; - start = packet[4] & 1; - eject = (packet[4] >> 1) & 1; - - if (eject) { - err = bdrv_eject(s->bs, !start); - } - - switch (err) { - case 0: - ide_atapi_cmd_ok(s); - break; - case -EBUSY: - ide_atapi_cmd_error(s, SENSE_NOT_READY, - ASC_MEDIA_REMOVAL_PREVENTED); - break; - default: - ide_atapi_cmd_error(s, SENSE_NOT_READY, - ASC_MEDIUM_NOT_PRESENT); - break; - } - } - break; - case GPCMD_MECHANISM_STATUS: - { - max_len = ube16_to_cpu(packet + 8); - cpu_to_ube16(buf, 0); - /* no current LBA */ - buf[2] = 0; - buf[3] = 0; - buf[4] = 0; - buf[5] = 1; - cpu_to_ube16(buf + 6, 0); - ide_atapi_cmd_reply(s, 8, max_len); - } - break; - case GPCMD_READ_TOC_PMA_ATIP: - { - int format, msf, start_track, len; - uint64_t total_sectors; - - bdrv_get_geometry(s->bs, &total_sectors); - total_sectors >>= 2; - if (total_sectors == 0) { - ide_atapi_cmd_error(s, SENSE_NOT_READY, - ASC_MEDIUM_NOT_PRESENT); - break; - } - max_len = ube16_to_cpu(packet + 7); - format = packet[9] >> 6; - msf = (packet[1] >> 1) & 1; - start_track = packet[6]; - switch(format) { - case 0: - len = cdrom_read_toc(total_sectors, buf, msf, start_track); - if (len < 0) - goto error_cmd; - ide_atapi_cmd_reply(s, len, max_len); - break; - case 1: - /* multi session : only a single session defined */ - memset(buf, 0, 12); - buf[1] = 0x0a; - buf[2] = 0x01; - buf[3] = 0x01; - ide_atapi_cmd_reply(s, 12, max_len); - break; - case 2: - len = cdrom_read_toc_raw(total_sectors, buf, msf, start_track); - if (len < 0) - goto error_cmd; - ide_atapi_cmd_reply(s, len, max_len); - break; - default: - error_cmd: - ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, - ASC_INV_FIELD_IN_CMD_PACKET); - break; - } - } - break; - case GPCMD_READ_CDVD_CAPACITY: - { - uint64_t total_sectors; - - bdrv_get_geometry(s->bs, &total_sectors); - total_sectors >>= 2; - if (total_sectors == 0) { - ide_atapi_cmd_error(s, SENSE_NOT_READY, - ASC_MEDIUM_NOT_PRESENT); - break; - } - /* NOTE: it is really the number of sectors minus 1 */ - cpu_to_ube32(buf, total_sectors - 1); - cpu_to_ube32(buf + 4, 2048); - ide_atapi_cmd_reply(s, 8, 8); - } - break; - case GPCMD_READ_DVD_STRUCTURE: - { - int media = packet[1]; - int format = packet[7]; - int ret; - - max_len = ube16_to_cpu(packet + 8); - - if (format < 0xff) { - if (media_is_cd(s)) { - ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, - ASC_INCOMPATIBLE_FORMAT); - break; - } else if (!media_present(s)) { - ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, - ASC_INV_FIELD_IN_CMD_PACKET); - break; - } - } - - memset(buf, 0, max_len > IDE_DMA_BUF_SECTORS * 512 + 4 ? - IDE_DMA_BUF_SECTORS * 512 + 4 : max_len); - - switch (format) { - case 0x00 ... 0x7f: - case 0xff: - if (media == 0) { - ret = ide_dvd_read_structure(s, format, packet, buf); - - if (ret < 0) - ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, -ret); - else - ide_atapi_cmd_reply(s, ret, max_len); - - break; - } - /* TODO: BD support, fall through for now */ - - /* Generic disk structures */ - case 0x80: /* TODO: AACS volume identifier */ - case 0x81: /* TODO: AACS media serial number */ - case 0x82: /* TODO: AACS media identifier */ - case 0x83: /* TODO: AACS media key block */ - case 0x90: /* TODO: List of recognized format layers */ - case 0xc0: /* TODO: Write protection status */ - default: - ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, - ASC_INV_FIELD_IN_CMD_PACKET); - break; - } - } - break; - case GPCMD_SET_SPEED: - ide_atapi_cmd_ok(s); - break; - case GPCMD_INQUIRY: - max_len = packet[4]; - buf[0] = 0x05; /* CD-ROM */ - buf[1] = 0x80; /* removable */ - buf[2] = 0x00; /* ISO */ - buf[3] = 0x21; /* ATAPI-2 (XXX: put ATAPI-4 ?) */ - buf[4] = 31; /* additional length */ - buf[5] = 0; /* reserved */ - buf[6] = 0; /* reserved */ - buf[7] = 0; /* reserved */ - padstr8(buf + 8, 8, "QEMU"); - padstr8(buf + 16, 16, "QEMU DVD-ROM"); - padstr8(buf + 32, 4, QEMU_VERSION); - ide_atapi_cmd_reply(s, 36, max_len); - break; - case GPCMD_GET_CONFIGURATION: - { - uint32_t len; - uint8_t index = 0; - - /* only feature 0 is supported */ - if (packet[2] != 0 || packet[3] != 0) { - ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, - ASC_INV_FIELD_IN_CMD_PACKET); - break; - } - - /* XXX: could result in alignment problems in some architectures */ - max_len = ube16_to_cpu(packet + 7); - - /* - * XXX: avoid overflow for io_buffer if max_len is bigger than - * the size of that buffer (dimensioned to max number of - * sectors to transfer at once) - * - * Only a problem if the feature/profiles grow. - */ - if (max_len > 512) /* XXX: assume 1 sector */ - max_len = 512; - - memset(buf, 0, max_len); - /* - * the number of sectors from the media tells us which profile - * to use as current. 0 means there is no media - */ - if (media_is_dvd(s)) - cpu_to_ube16(buf + 6, MMC_PROFILE_DVD_ROM); - else if (media_is_cd(s)) - cpu_to_ube16(buf + 6, MMC_PROFILE_CD_ROM); - - buf[10] = 0x02 | 0x01; /* persistent and current */ - len = 12; /* headers: 8 + 4 */ - len += ide_atapi_set_profile(buf, &index, MMC_PROFILE_DVD_ROM); - len += ide_atapi_set_profile(buf, &index, MMC_PROFILE_CD_ROM); - cpu_to_ube32(buf, len - 4); /* data length */ - - ide_atapi_cmd_reply(s, len, max_len); - break; - } - default: - ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, - ASC_ILLEGAL_OPCODE); - break; - } -} - -static void ide_cfata_metadata_inquiry(IDEState *s) -{ - uint16_t *p; - uint32_t spd; - - p = (uint16_t *) s->io_buffer; - memset(p, 0, 0x200); - spd = ((s->mdata_size - 1) >> 9) + 1; - - put_le16(p + 0, 0x0001); /* Data format revision */ - put_le16(p + 1, 0x0000); /* Media property: silicon */ - put_le16(p + 2, s->media_changed); /* Media status */ - put_le16(p + 3, s->mdata_size & 0xffff); /* Capacity in bytes (low) */ - put_le16(p + 4, s->mdata_size >> 16); /* Capacity in bytes (high) */ - put_le16(p + 5, spd & 0xffff); /* Sectors per device (low) */ - put_le16(p + 6, spd >> 16); /* Sectors per device (high) */ -} - -static void ide_cfata_metadata_read(IDEState *s) -{ - uint16_t *p; - - if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) { - s->status = ERR_STAT; - s->error = ABRT_ERR; - return; - } - - p = (uint16_t *) s->io_buffer; - memset(p, 0, 0x200); - - put_le16(p + 0, s->media_changed); /* Media status */ - memcpy(p + 1, s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9), - MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9), - s->nsector << 9), 0x200 - 2)); -} - -static void ide_cfata_metadata_write(IDEState *s) -{ - if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) { - s->status = ERR_STAT; - s->error = ABRT_ERR; - return; - } - - s->media_changed = 0; - - memcpy(s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9), - s->io_buffer + 2, - MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9), - s->nsector << 9), 0x200 - 2)); -} - -/* called when the inserted state of the media has changed */ -static void cdrom_change_cb(void *opaque) -{ - IDEState *s = opaque; - uint64_t nb_sectors; - - bdrv_get_geometry(s->bs, &nb_sectors); - s->nb_sectors = nb_sectors; - - s->sense_key = SENSE_UNIT_ATTENTION; - s->asc = ASC_MEDIUM_MAY_HAVE_CHANGED; - s->cdrom_changed = 1; - ide_set_irq(s); -} - -static void ide_cmd_lba48_transform(IDEState *s, int lba48) -{ - s->lba48 = lba48; - - /* handle the 'magic' 0 nsector count conversion here. to avoid - * fiddling with the rest of the read logic, we just store the - * full sector count in ->nsector and ignore ->hob_nsector from now - */ - if (!s->lba48) { - if (!s->nsector) - s->nsector = 256; - } else { - if (!s->nsector && !s->hob_nsector) - s->nsector = 65536; - else { - int lo = s->nsector; - int hi = s->hob_nsector; - - s->nsector = (hi << 8) | lo; - } - } -} - -static void ide_clear_hob(IDEBus *bus) -{ - /* any write clears HOB high bit of device control register */ - bus->ifs[0].select &= ~(1 << 7); - bus->ifs[1].select &= ~(1 << 7); -} - -void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val) -{ - IDEBus *bus = opaque; - IDEState *s; - int n; - int lba48 = 0; - -#ifdef DEBUG_IDE - printf("IDE: write addr=0x%x val=0x%02x\n", addr, val); -#endif - - addr &= 7; - - /* ignore writes to command block while busy with previous command */ - if (addr != 7 && (idebus_active_if(bus)->status & (BUSY_STAT|DRQ_STAT))) - return; - - switch(addr) { - case 0: - break; - case 1: - ide_clear_hob(bus); - /* NOTE: data is written to the two drives */ - bus->ifs[0].hob_feature = bus->ifs[0].feature; - bus->ifs[1].hob_feature = bus->ifs[1].feature; - bus->ifs[0].feature = val; - bus->ifs[1].feature = val; - break; - case 2: - ide_clear_hob(bus); - bus->ifs[0].hob_nsector = bus->ifs[0].nsector; - bus->ifs[1].hob_nsector = bus->ifs[1].nsector; - bus->ifs[0].nsector = val; - bus->ifs[1].nsector = val; - break; - case 3: - ide_clear_hob(bus); - bus->ifs[0].hob_sector = bus->ifs[0].sector; - bus->ifs[1].hob_sector = bus->ifs[1].sector; - bus->ifs[0].sector = val; - bus->ifs[1].sector = val; - break; - case 4: - ide_clear_hob(bus); - bus->ifs[0].hob_lcyl = bus->ifs[0].lcyl; - bus->ifs[1].hob_lcyl = bus->ifs[1].lcyl; - bus->ifs[0].lcyl = val; - bus->ifs[1].lcyl = val; - break; - case 5: - ide_clear_hob(bus); - bus->ifs[0].hob_hcyl = bus->ifs[0].hcyl; - bus->ifs[1].hob_hcyl = bus->ifs[1].hcyl; - bus->ifs[0].hcyl = val; - bus->ifs[1].hcyl = val; - break; - case 6: - /* FIXME: HOB readback uses bit 7 */ - bus->ifs[0].select = (val & ~0x10) | 0xa0; - bus->ifs[1].select = (val | 0x10) | 0xa0; - /* select drive */ - bus->unit = (val >> 4) & 1; - break; - default: - case 7: - /* command */ -#if defined(DEBUG_IDE) - printf("ide: CMD=%02x\n", val); -#endif - s = idebus_active_if(bus); - /* ignore commands to non existant slave */ - if (s != bus->ifs && !s->bs) - break; - - /* Only DEVICE RESET is allowed while BSY or/and DRQ are set */ - if ((s->status & (BUSY_STAT|DRQ_STAT)) && val != WIN_DEVICE_RESET) - break; - - switch(val) { - case WIN_IDENTIFY: - if (s->bs && !s->is_cdrom) { - if (!s->is_cf) - ide_identify(s); - else - ide_cfata_identify(s); - s->status = READY_STAT | SEEK_STAT; - ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop); - } else { - if (s->is_cdrom) { - ide_set_signature(s); - } - ide_abort_command(s); - } - ide_set_irq(s); - break; - case WIN_SPECIFY: - case WIN_RECAL: - s->error = 0; - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - case WIN_SETMULT: - if (s->is_cf && s->nsector == 0) { - /* Disable Read and Write Multiple */ - s->mult_sectors = 0; - s->status = READY_STAT | SEEK_STAT; - } else if ((s->nsector & 0xff) != 0 && - ((s->nsector & 0xff) > MAX_MULT_SECTORS || - (s->nsector & (s->nsector - 1)) != 0)) { - ide_abort_command(s); - } else { - s->mult_sectors = s->nsector & 0xff; - s->status = READY_STAT | SEEK_STAT; - } - ide_set_irq(s); - break; - case WIN_VERIFY_EXT: - lba48 = 1; - case WIN_VERIFY: - case WIN_VERIFY_ONCE: - /* do sector number check ? */ - ide_cmd_lba48_transform(s, lba48); - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - case WIN_READ_EXT: - lba48 = 1; - case WIN_READ: - case WIN_READ_ONCE: - if (!s->bs) - goto abort_cmd; - ide_cmd_lba48_transform(s, lba48); - s->req_nb_sectors = 1; - ide_sector_read(s); - break; - case WIN_WRITE_EXT: - lba48 = 1; - case WIN_WRITE: - case WIN_WRITE_ONCE: - case CFA_WRITE_SECT_WO_ERASE: - case WIN_WRITE_VERIFY: - ide_cmd_lba48_transform(s, lba48); - s->error = 0; - s->status = SEEK_STAT | READY_STAT; - s->req_nb_sectors = 1; - ide_transfer_start(s, s->io_buffer, 512, ide_sector_write); - s->media_changed = 1; - break; - case WIN_MULTREAD_EXT: - lba48 = 1; - case WIN_MULTREAD: - if (!s->mult_sectors) - goto abort_cmd; - ide_cmd_lba48_transform(s, lba48); - s->req_nb_sectors = s->mult_sectors; - ide_sector_read(s); - break; - case WIN_MULTWRITE_EXT: - lba48 = 1; - case WIN_MULTWRITE: - case CFA_WRITE_MULTI_WO_ERASE: - if (!s->mult_sectors) - goto abort_cmd; - ide_cmd_lba48_transform(s, lba48); - s->error = 0; - s->status = SEEK_STAT | READY_STAT; - s->req_nb_sectors = s->mult_sectors; - n = s->nsector; - if (n > s->req_nb_sectors) - n = s->req_nb_sectors; - ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_write); - s->media_changed = 1; - break; - case WIN_READDMA_EXT: - lba48 = 1; - case WIN_READDMA: - case WIN_READDMA_ONCE: - if (!s->bs) - goto abort_cmd; - ide_cmd_lba48_transform(s, lba48); - ide_sector_read_dma(s); - break; - case WIN_WRITEDMA_EXT: - lba48 = 1; - case WIN_WRITEDMA: - case WIN_WRITEDMA_ONCE: - if (!s->bs) - goto abort_cmd; - ide_cmd_lba48_transform(s, lba48); - ide_sector_write_dma(s); - s->media_changed = 1; - break; - case WIN_READ_NATIVE_MAX_EXT: - lba48 = 1; - case WIN_READ_NATIVE_MAX: - ide_cmd_lba48_transform(s, lba48); - ide_set_sector(s, s->nb_sectors - 1); - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - case WIN_CHECKPOWERMODE1: - case WIN_CHECKPOWERMODE2: - s->nsector = 0xff; /* device active or idle */ - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - case WIN_SETFEATURES: - if (!s->bs) - goto abort_cmd; - /* XXX: valid for CDROM ? */ - switch(s->feature) { - case 0xcc: /* reverting to power-on defaults enable */ - case 0x66: /* reverting to power-on defaults disable */ - case 0x02: /* write cache enable */ - case 0x82: /* write cache disable */ - case 0xaa: /* read look-ahead enable */ - case 0x55: /* read look-ahead disable */ - case 0x05: /* set advanced power management mode */ - case 0x85: /* disable advanced power management mode */ - case 0x69: /* NOP */ - case 0x67: /* NOP */ - case 0x96: /* NOP */ - case 0x9a: /* NOP */ - case 0x42: /* enable Automatic Acoustic Mode */ - case 0xc2: /* disable Automatic Acoustic Mode */ - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - case 0x03: { /* set transfer mode */ - uint8_t val = s->nsector & 0x07; - - switch (s->nsector >> 3) { - case 0x00: /* pio default */ - case 0x01: /* pio mode */ - put_le16(s->identify_data + 62,0x07); - put_le16(s->identify_data + 63,0x07); - put_le16(s->identify_data + 88,0x3f); - break; - case 0x02: /* sigle word dma mode*/ - put_le16(s->identify_data + 62,0x07 | (1 << (val + 8))); - put_le16(s->identify_data + 63,0x07); - put_le16(s->identify_data + 88,0x3f); - break; - case 0x04: /* mdma mode */ - put_le16(s->identify_data + 62,0x07); - put_le16(s->identify_data + 63,0x07 | (1 << (val + 8))); - put_le16(s->identify_data + 88,0x3f); - break; - case 0x08: /* udma mode */ - put_le16(s->identify_data + 62,0x07); - put_le16(s->identify_data + 63,0x07); - put_le16(s->identify_data + 88,0x3f | (1 << (val + 8))); - break; - default: - goto abort_cmd; - } - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - } - default: - goto abort_cmd; - } - break; - case WIN_FLUSH_CACHE: - case WIN_FLUSH_CACHE_EXT: - if (s->bs) - bdrv_flush(s->bs); - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - case WIN_STANDBY: - case WIN_STANDBY2: - case WIN_STANDBYNOW1: - case WIN_STANDBYNOW2: - case WIN_IDLEIMMEDIATE: - case CFA_IDLEIMMEDIATE: - case WIN_SETIDLE1: - case WIN_SETIDLE2: - case WIN_SLEEPNOW1: - case WIN_SLEEPNOW2: - s->status = READY_STAT; - ide_set_irq(s); - break; - case WIN_SEEK: - if(s->is_cdrom) - goto abort_cmd; - /* XXX: Check that seek is within bounds */ - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - /* ATAPI commands */ - case WIN_PIDENTIFY: - if (s->is_cdrom) { - ide_atapi_identify(s); - s->status = READY_STAT | SEEK_STAT; - ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop); - } else { - ide_abort_command(s); - } - ide_set_irq(s); - break; - case WIN_DIAGNOSE: - ide_set_signature(s); - if (s->is_cdrom) - s->status = 0; /* ATAPI spec (v6) section 9.10 defines packet - * devices to return a clear status register - * with READY_STAT *not* set. */ - else - s->status = READY_STAT | SEEK_STAT; - s->error = 0x01; /* Device 0 passed, Device 1 passed or not - * present. - */ - ide_set_irq(s); - break; - case WIN_SRST: - if (!s->is_cdrom) - goto abort_cmd; - ide_set_signature(s); - s->status = 0x00; /* NOTE: READY is _not_ set */ - s->error = 0x01; - break; - case WIN_PACKETCMD: - if (!s->is_cdrom) - goto abort_cmd; - /* overlapping commands not supported */ - if (s->feature & 0x02) - goto abort_cmd; - s->status = READY_STAT | SEEK_STAT; - s->atapi_dma = s->feature & 1; - s->nsector = 1; - ide_transfer_start(s, s->io_buffer, ATAPI_PACKET_SIZE, - ide_atapi_cmd); - break; - /* CF-ATA commands */ - case CFA_REQ_EXT_ERROR_CODE: - if (!s->is_cf) - goto abort_cmd; - s->error = 0x09; /* miscellaneous error */ - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - case CFA_ERASE_SECTORS: - case CFA_WEAR_LEVEL: - if (!s->is_cf) - goto abort_cmd; - if (val == CFA_WEAR_LEVEL) - s->nsector = 0; - if (val == CFA_ERASE_SECTORS) - s->media_changed = 1; - s->error = 0x00; - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - case CFA_TRANSLATE_SECTOR: - if (!s->is_cf) - goto abort_cmd; - s->error = 0x00; - s->status = READY_STAT | SEEK_STAT; - memset(s->io_buffer, 0, 0x200); - s->io_buffer[0x00] = s->hcyl; /* Cyl MSB */ - s->io_buffer[0x01] = s->lcyl; /* Cyl LSB */ - s->io_buffer[0x02] = s->select; /* Head */ - s->io_buffer[0x03] = s->sector; /* Sector */ - s->io_buffer[0x04] = ide_get_sector(s) >> 16; /* LBA MSB */ - s->io_buffer[0x05] = ide_get_sector(s) >> 8; /* LBA */ - s->io_buffer[0x06] = ide_get_sector(s) >> 0; /* LBA LSB */ - s->io_buffer[0x13] = 0x00; /* Erase flag */ - s->io_buffer[0x18] = 0x00; /* Hot count */ - s->io_buffer[0x19] = 0x00; /* Hot count */ - s->io_buffer[0x1a] = 0x01; /* Hot count */ - ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); - ide_set_irq(s); - break; - case CFA_ACCESS_METADATA_STORAGE: - if (!s->is_cf) - goto abort_cmd; - switch (s->feature) { - case 0x02: /* Inquiry Metadata Storage */ - ide_cfata_metadata_inquiry(s); - break; - case 0x03: /* Read Metadata Storage */ - ide_cfata_metadata_read(s); - break; - case 0x04: /* Write Metadata Storage */ - ide_cfata_metadata_write(s); - break; - default: - goto abort_cmd; - } - ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); - s->status = 0x00; /* NOTE: READY is _not_ set */ - ide_set_irq(s); - break; - case IBM_SENSE_CONDITION: - if (!s->is_cf) - goto abort_cmd; - switch (s->feature) { - case 0x01: /* sense temperature in device */ - s->nsector = 0x50; /* +20 C */ - break; - default: - goto abort_cmd; - } - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - - case WIN_SMART: - if (s->is_cdrom) - goto abort_cmd; - if (s->hcyl != 0xc2 || s->lcyl != 0x4f) - goto abort_cmd; - if (!s->smart_enabled && s->feature != SMART_ENABLE) - goto abort_cmd; - switch (s->feature) { - case SMART_DISABLE: - s->smart_enabled = 0; - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - case SMART_ENABLE: - s->smart_enabled = 1; - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - case SMART_ATTR_AUTOSAVE: - switch (s->sector) { - case 0x00: - s->smart_autosave = 0; - break; - case 0xf1: - s->smart_autosave = 1; - break; - default: - goto abort_cmd; - } - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - case SMART_STATUS: - if (!s->smart_errors) { - s->hcyl = 0xc2; - s->lcyl = 0x4f; - } else { - s->hcyl = 0x2c; - s->lcyl = 0xf4; - } - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - case SMART_READ_THRESH: - memset(s->io_buffer, 0, 0x200); - s->io_buffer[0] = 0x01; /* smart struct version */ - for (n=0; n<30; n++) { - if (smart_attributes[n][0] == 0) - break; - s->io_buffer[2+0+(n*12)] = smart_attributes[n][0]; - s->io_buffer[2+1+(n*12)] = smart_attributes[n][4]; - } - for (n=0; n<511; n++) /* checksum */ - s->io_buffer[511] += s->io_buffer[n]; - s->io_buffer[511] = 0x100 - s->io_buffer[511]; - s->status = READY_STAT | SEEK_STAT; - ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); - ide_set_irq(s); - break; - case SMART_READ_DATA: - memset(s->io_buffer, 0, 0x200); - s->io_buffer[0] = 0x01; /* smart struct version */ - for (n=0; n<30; n++) { - if (smart_attributes[n][0] == 0) - break; - s->io_buffer[2+0+(n*12)] = smart_attributes[n][0]; - s->io_buffer[2+1+(n*12)] = smart_attributes[n][1]; - s->io_buffer[2+3+(n*12)] = smart_attributes[n][2]; - s->io_buffer[2+4+(n*12)] = smart_attributes[n][3]; - } - s->io_buffer[362] = 0x02 | (s->smart_autosave?0x80:0x00); - if (s->smart_selftest_count == 0) { - s->io_buffer[363] = 0; - } else { - s->io_buffer[363] = - s->smart_selftest_data[3 + - (s->smart_selftest_count - 1) * - 24]; - } - s->io_buffer[364] = 0x20; - s->io_buffer[365] = 0x01; - /* offline data collection capacity: execute + self-test*/ - s->io_buffer[367] = (1<<4 | 1<<3 | 1); - s->io_buffer[368] = 0x03; /* smart capability (1) */ - s->io_buffer[369] = 0x00; /* smart capability (2) */ - s->io_buffer[370] = 0x01; /* error logging supported */ - s->io_buffer[372] = 0x02; /* minutes for poll short test */ - s->io_buffer[373] = 0x36; /* minutes for poll ext test */ - s->io_buffer[374] = 0x01; /* minutes for poll conveyance */ - - for (n=0; n<511; n++) - s->io_buffer[511] += s->io_buffer[n]; - s->io_buffer[511] = 0x100 - s->io_buffer[511]; - s->status = READY_STAT | SEEK_STAT; - ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); - ide_set_irq(s); - break; - case SMART_READ_LOG: - switch (s->sector) { - case 0x01: /* summary smart error log */ - memset(s->io_buffer, 0, 0x200); - s->io_buffer[0] = 0x01; - s->io_buffer[1] = 0x00; /* no error entries */ - s->io_buffer[452] = s->smart_errors & 0xff; - s->io_buffer[453] = (s->smart_errors & 0xff00) >> 8; - - for (n=0; n<511; n++) - s->io_buffer[511] += s->io_buffer[n]; - s->io_buffer[511] = 0x100 - s->io_buffer[511]; - break; - case 0x06: /* smart self test log */ - memset(s->io_buffer, 0, 0x200); - s->io_buffer[0] = 0x01; - if (s->smart_selftest_count == 0) { - s->io_buffer[508] = 0; - } else { - s->io_buffer[508] = s->smart_selftest_count; - for (n=2; n<506; n++) - s->io_buffer[n] = s->smart_selftest_data[n]; - } - for (n=0; n<511; n++) - s->io_buffer[511] += s->io_buffer[n]; - s->io_buffer[511] = 0x100 - s->io_buffer[511]; - break; - default: - goto abort_cmd; - } - s->status = READY_STAT | SEEK_STAT; - ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop); - ide_set_irq(s); - break; - case SMART_EXECUTE_OFFLINE: - switch (s->sector) { - case 0: /* off-line routine */ - case 1: /* short self test */ - case 2: /* extended self test */ - s->smart_selftest_count++; - if(s->smart_selftest_count > 21) - s->smart_selftest_count = 0; - n = 2 + (s->smart_selftest_count - 1) * 24; - s->smart_selftest_data[n] = s->sector; - s->smart_selftest_data[n+1] = 0x00; /* OK and finished */ - s->smart_selftest_data[n+2] = 0x34; /* hour count lsb */ - s->smart_selftest_data[n+3] = 0x12; /* hour count msb */ - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - break; - default: - goto abort_cmd; - } - break; - default: - goto abort_cmd; - } - break; - default: - abort_cmd: - ide_abort_command(s); - ide_set_irq(s); - break; - } - } -} - -uint32_t ide_ioport_read(void *opaque, uint32_t addr1) -{ - IDEBus *bus = opaque; - IDEState *s = idebus_active_if(bus); - uint32_t addr; - int ret, hob; - - addr = addr1 & 7; - /* FIXME: HOB readback uses bit 7, but it's always set right now */ - //hob = s->select & (1 << 7); - hob = 0; - switch(addr) { - case 0: - ret = 0xff; - break; - case 1: - if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || - (s != bus->ifs && !s->bs)) - ret = 0; - else if (!hob) - ret = s->error; - else - ret = s->hob_feature; - break; - case 2: - if (!bus->ifs[0].bs && !bus->ifs[1].bs) - ret = 0; - else if (!hob) - ret = s->nsector & 0xff; - else - ret = s->hob_nsector; - break; - case 3: - if (!bus->ifs[0].bs && !bus->ifs[1].bs) - ret = 0; - else if (!hob) - ret = s->sector; - else - ret = s->hob_sector; - break; - case 4: - if (!bus->ifs[0].bs && !bus->ifs[1].bs) - ret = 0; - else if (!hob) - ret = s->lcyl; - else - ret = s->hob_lcyl; - break; - case 5: - if (!bus->ifs[0].bs && !bus->ifs[1].bs) - ret = 0; - else if (!hob) - ret = s->hcyl; - else - ret = s->hob_hcyl; - break; - case 6: - if (!bus->ifs[0].bs && !bus->ifs[1].bs) - ret = 0; - else - ret = s->select; - break; - default: - case 7: - if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || - (s != bus->ifs && !s->bs)) - ret = 0; - else - ret = s->status; - qemu_irq_lower(s->irq); - break; - } -#ifdef DEBUG_IDE - printf("ide: read addr=0x%x val=%02x\n", addr1, ret); -#endif - return ret; -} - -uint32_t ide_status_read(void *opaque, uint32_t addr) -{ - IDEBus *bus = opaque; - IDEState *s = idebus_active_if(bus); - int ret; - - if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || - (s != bus->ifs && !s->bs)) - ret = 0; - else - ret = s->status; -#ifdef DEBUG_IDE - printf("ide: read status addr=0x%x val=%02x\n", addr, ret); -#endif - return ret; -} - -void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val) -{ - IDEBus *bus = opaque; - IDEState *s; - int i; - -#ifdef DEBUG_IDE - printf("ide: write control addr=0x%x val=%02x\n", addr, val); -#endif - /* common for both drives */ - if (!(bus->ifs[0].cmd & IDE_CMD_RESET) && - (val & IDE_CMD_RESET)) { - /* reset low to high */ - for(i = 0;i < 2; i++) { - s = &bus->ifs[i]; - s->status = BUSY_STAT | SEEK_STAT; - s->error = 0x01; - } - } else if ((bus->ifs[0].cmd & IDE_CMD_RESET) && - !(val & IDE_CMD_RESET)) { - /* high to low */ - for(i = 0;i < 2; i++) { - s = &bus->ifs[i]; - if (s->is_cdrom) - s->status = 0x00; /* NOTE: READY is _not_ set */ - else - s->status = READY_STAT | SEEK_STAT; - ide_set_signature(s); - } - } - - bus->ifs[0].cmd = val; - bus->ifs[1].cmd = val; -} - -void ide_data_writew(void *opaque, uint32_t addr, uint32_t val) -{ - IDEBus *bus = opaque; - IDEState *s = idebus_active_if(bus); - uint8_t *p; - - /* PIO data access allowed only when DRQ bit is set */ - if (!(s->status & DRQ_STAT)) - return; - - p = s->data_ptr; - *(uint16_t *)p = le16_to_cpu(val); - p += 2; - s->data_ptr = p; - if (p >= s->data_end) - s->end_transfer_func(s); -} - -uint32_t ide_data_readw(void *opaque, uint32_t addr) -{ - IDEBus *bus = opaque; - IDEState *s = idebus_active_if(bus); - uint8_t *p; - int ret; - - /* PIO data access allowed only when DRQ bit is set */ - if (!(s->status & DRQ_STAT)) - return 0; - - p = s->data_ptr; - ret = cpu_to_le16(*(uint16_t *)p); - p += 2; - s->data_ptr = p; - if (p >= s->data_end) - s->end_transfer_func(s); - return ret; -} - -void ide_data_writel(void *opaque, uint32_t addr, uint32_t val) -{ - IDEBus *bus = opaque; - IDEState *s = idebus_active_if(bus); - uint8_t *p; - - /* PIO data access allowed only when DRQ bit is set */ - if (!(s->status & DRQ_STAT)) - return; - - p = s->data_ptr; - *(uint32_t *)p = le32_to_cpu(val); - p += 4; - s->data_ptr = p; - if (p >= s->data_end) - s->end_transfer_func(s); -} - -uint32_t ide_data_readl(void *opaque, uint32_t addr) -{ - IDEBus *bus = opaque; - IDEState *s = idebus_active_if(bus); - uint8_t *p; - int ret; - - /* PIO data access allowed only when DRQ bit is set */ - if (!(s->status & DRQ_STAT)) - return 0; - - p = s->data_ptr; - ret = cpu_to_le32(*(uint32_t *)p); - p += 4; - s->data_ptr = p; - if (p >= s->data_end) - s->end_transfer_func(s); - return ret; -} - -static void ide_dummy_transfer_stop(IDEState *s) -{ - s->data_ptr = s->io_buffer; - s->data_end = s->io_buffer; - s->io_buffer[0] = 0xff; - s->io_buffer[1] = 0xff; - s->io_buffer[2] = 0xff; - s->io_buffer[3] = 0xff; -} - -void ide_reset(IDEState *s) -{ - IDEBus *bus = s->bus; - - if (s->is_cf) - s->mult_sectors = 0; - else - s->mult_sectors = MAX_MULT_SECTORS; - bus->unit = s->unit; - s->select = 0xa0; - s->status = READY_STAT | SEEK_STAT; - ide_set_signature(s); - /* init the transfer handler so that 0xffff is returned on data - accesses */ - s->end_transfer_func = ide_dummy_transfer_stop; - ide_dummy_transfer_stop(s); - s->media_changed = 0; -} - -void ide_init2(IDEBus *bus, BlockDriverState *hd0, BlockDriverState *hd1, - qemu_irq irq) -{ - IDEState *s; - static int drive_serial = 1; - int i, cylinders, heads, secs; - uint64_t nb_sectors; - - for(i = 0; i < 2; i++) { - s = bus->ifs + i; - s->bus = bus; - s->unit = i; - s->bs = (i == 0) ? hd0 : hd1; - s->io_buffer = qemu_blockalign(s->bs, IDE_DMA_BUF_SECTORS*512 + 4); - if (s->bs) { - bdrv_get_geometry(s->bs, &nb_sectors); - bdrv_guess_geometry(s->bs, &cylinders, &heads, &secs); - s->cylinders = cylinders; - s->heads = heads; - s->sectors = secs; - s->nb_sectors = nb_sectors; - /* The SMART values should be preserved across power cycles - but they aren't. */ - s->smart_enabled = 1; - s->smart_autosave = 1; - s->smart_errors = 0; - s->smart_selftest_count = 0; - s->smart_selftest_data = qemu_blockalign(s->bs, 512); - if (bdrv_get_type_hint(s->bs) == BDRV_TYPE_CDROM) { - s->is_cdrom = 1; - bdrv_set_change_cb(s->bs, cdrom_change_cb, s); - } - } - s->drive_serial = drive_serial++; - strncpy(s->drive_serial_str, drive_get_serial(s->bs), - sizeof(s->drive_serial_str)); - if (strlen(s->drive_serial_str) == 0) - snprintf(s->drive_serial_str, sizeof(s->drive_serial_str), - "QM%05d", s->drive_serial); - s->irq = irq; - s->sector_write_timer = qemu_new_timer(vm_clock, - ide_sector_write_timer_cb, s); - ide_reset(s); - } -} - -void ide_init_ioport(IDEBus *bus, int iobase, int iobase2) -{ - register_ioport_write(iobase, 8, 1, ide_ioport_write, bus); - register_ioport_read(iobase, 8, 1, ide_ioport_read, bus); - if (iobase2) { - register_ioport_read(iobase2, 1, 1, ide_status_read, bus); - register_ioport_write(iobase2, 1, 1, ide_cmd_write, bus); - } - - /* data ports */ - register_ioport_write(iobase, 2, 2, ide_data_writew, bus); - register_ioport_read(iobase, 2, 2, ide_data_readw, bus); - register_ioport_write(iobase, 4, 4, ide_data_writel, bus); - register_ioport_read(iobase, 4, 4, ide_data_readl, bus); -} - -/* save per IDE drive data */ -void ide_save(QEMUFile* f, IDEState *s) -{ - qemu_put_be32(f, s->mult_sectors); - qemu_put_be32(f, s->identify_set); - if (s->identify_set) { - qemu_put_buffer(f, (const uint8_t *)s->identify_data, 512); - } - qemu_put_8s(f, &s->feature); - qemu_put_8s(f, &s->error); - qemu_put_be32s(f, &s->nsector); - qemu_put_8s(f, &s->sector); - qemu_put_8s(f, &s->lcyl); - qemu_put_8s(f, &s->hcyl); - qemu_put_8s(f, &s->hob_feature); - qemu_put_8s(f, &s->hob_nsector); - qemu_put_8s(f, &s->hob_sector); - qemu_put_8s(f, &s->hob_lcyl); - qemu_put_8s(f, &s->hob_hcyl); - qemu_put_8s(f, &s->select); - qemu_put_8s(f, &s->status); - qemu_put_8s(f, &s->lba48); - - qemu_put_8s(f, &s->sense_key); - qemu_put_8s(f, &s->asc); - qemu_put_8s(f, &s->cdrom_changed); - /* XXX: if a transfer is pending, we do not save it yet */ -} - -/* load per IDE drive data */ -void ide_load(QEMUFile* f, IDEState *s, int version_id) -{ - s->mult_sectors=qemu_get_be32(f); - s->identify_set=qemu_get_be32(f); - if (s->identify_set) { - qemu_get_buffer(f, (uint8_t *)s->identify_data, 512); - } - qemu_get_8s(f, &s->feature); - qemu_get_8s(f, &s->error); - qemu_get_be32s(f, &s->nsector); - qemu_get_8s(f, &s->sector); - qemu_get_8s(f, &s->lcyl); - qemu_get_8s(f, &s->hcyl); - qemu_get_8s(f, &s->hob_feature); - qemu_get_8s(f, &s->hob_nsector); - qemu_get_8s(f, &s->hob_sector); - qemu_get_8s(f, &s->hob_lcyl); - qemu_get_8s(f, &s->hob_hcyl); - qemu_get_8s(f, &s->select); - qemu_get_8s(f, &s->status); - qemu_get_8s(f, &s->lba48); - - qemu_get_8s(f, &s->sense_key); - qemu_get_8s(f, &s->asc); - if (version_id == 3) { - qemu_get_8s(f, &s->cdrom_changed); - } else { - if (s->sense_key == SENSE_UNIT_ATTENTION && - s->asc == ASC_MEDIUM_MAY_HAVE_CHANGED) - s->cdrom_changed = 1; - } - /* XXX: if a transfer is pending, we do not save it yet */ -} - -void idebus_save(QEMUFile* f, IDEBus *bus) -{ - IDEState *s = idebus_active_if(bus); - qemu_put_8s(f, &s->cmd); - qemu_put_8s(f, &bus->unit); -} - -void idebus_load(QEMUFile* f, IDEBus *bus, int version_id) -{ - IDEState *s; - uint8_t cmd; - - qemu_get_8s(f, &cmd); - qemu_get_8s(f, &bus->unit); - s = idebus_active_if(bus); - s->cmd = cmd; -} - -/***********************************************************/ -/* PCI IDE definitions */ - -static void ide_dma_start(IDEState *s, BlockDriverCompletionFunc *dma_cb) -{ - BMDMAState *bm = s->bus->bmdma; - if(!bm) - return; - bm->unit = s->unit; - bm->dma_cb = dma_cb; - bm->cur_prd_last = 0; - bm->cur_prd_addr = 0; - bm->cur_prd_len = 0; - bm->sector_num = ide_get_sector(s); - bm->nsector = s->nsector; - if (bm->status & BM_STATUS_DMAING) { - bm->dma_cb(bm, 0); - } -} - -static void ide_dma_restart(IDEState *s) -{ - BMDMAState *bm = s->bus->bmdma; - ide_set_sector(s, bm->sector_num); - s->io_buffer_index = 0; - s->io_buffer_size = 0; - s->nsector = bm->nsector; - bm->cur_addr = bm->addr; - bm->dma_cb = ide_write_dma_cb; - ide_dma_start(s, bm->dma_cb); -} - -void ide_dma_cancel(BMDMAState *bm) -{ - if (bm->status & BM_STATUS_DMAING) { - bm->status &= ~BM_STATUS_DMAING; - /* cancel DMA request */ - bm->unit = -1; - bm->dma_cb = NULL; - if (bm->aiocb) { -#ifdef DEBUG_AIO - printf("aio_cancel\n"); -#endif - bdrv_aio_cancel(bm->aiocb); - bm->aiocb = NULL; - } - } -} - |