#include <hw/hw.h>
#include <hw/pc.h>
#include <hw/pci.h>
-#include <hw/scsi.h>
+#include <hw/isa.h>
#include "qemu-error.h"
#include "qemu-timer.h"
#include "sysemu.h"
#include "dma.h"
#include "blockdev.h"
+#include "block_int.h"
#include <hw/ide/internal.h>
-static const 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}
+/* These values were based on a Seagate ST3500418AS but have been modified
+ to make more sense in QEMU */
+static const int smart_attributes[][12] = {
+ /* id, flags, hflags, val, wrst, raw (6 bytes), threshold */
+ /* raw read error rate*/
+ { 0x01, 0x03, 0x00, 0x64, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06},
+ /* spin up */
+ { 0x03, 0x03, 0x00, 0x64, 0x64, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+ /* start stop count */
+ { 0x04, 0x02, 0x00, 0x64, 0x64, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x14},
+ /* remapped sectors */
+ { 0x05, 0x03, 0x00, 0x64, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x24},
+ /* power on hours */
+ { 0x09, 0x03, 0x00, 0x64, 0x64, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+ /* power cycle count */
+ { 0x0c, 0x03, 0x00, 0x64, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+ /* airflow-temperature-celsius */
+ { 190, 0x03, 0x00, 0x45, 0x45, 0x1f, 0x00, 0x1f, 0x1f, 0x00, 0x00, 0x32},
+ /* end of list */
+ { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 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_atapi_cmd_read_dma_cb(void *opaque, int ret);
static int ide_handle_rw_error(IDEState *s, int error, int op);
+static void ide_dummy_transfer_stop(IDEState *s);
static void padstr(char *str, const char *src, int len)
{
}
}
-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);
{
uint16_t *p;
unsigned int oldsize;
- IDEDevice *dev;
+ IDEDevice *dev = s->unit ? s->bus->slave : s->bus->master;
if (s->identify_set) {
memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data));
put_le16(p + 66, 120);
put_le16(p + 67, 120);
put_le16(p + 68, 120);
+ if (dev && dev->conf.discard_granularity) {
+ put_le16(p + 69, (1 << 14)); /* determinate TRIM behavior */
+ }
if (s->ncq_queues) {
put_le16(p + 75, s->ncq_queues - 1);
put_le16(p + 101, s->nb_sectors >> 16);
put_le16(p + 102, s->nb_sectors >> 32);
put_le16(p + 103, s->nb_sectors >> 48);
- dev = s->unit ? s->bus->slave : s->bus->master;
+
if (dev && dev->conf.physical_block_size)
put_le16(p + 106, 0x6000 | get_physical_block_exp(&dev->conf));
+ if (dev && dev->conf.discard_granularity) {
+ put_le16(p + 169, 1); /* TRIM support */
+ }
memcpy(s->identify_data, p, sizeof(s->identify_data));
s->identify_set = 1;
}
}
+typedef struct TrimAIOCB {
+ BlockDriverAIOCB common;
+ QEMUBH *bh;
+ int ret;
+} TrimAIOCB;
+
+static void trim_aio_cancel(BlockDriverAIOCB *acb)
+{
+ TrimAIOCB *iocb = container_of(acb, TrimAIOCB, common);
+
+ qemu_bh_delete(iocb->bh);
+ iocb->bh = NULL;
+ qemu_aio_release(iocb);
+}
+
+static AIOPool trim_aio_pool = {
+ .aiocb_size = sizeof(TrimAIOCB),
+ .cancel = trim_aio_cancel,
+};
+
+static void ide_trim_bh_cb(void *opaque)
+{
+ TrimAIOCB *iocb = opaque;
+
+ iocb->common.cb(iocb->common.opaque, iocb->ret);
+
+ qemu_bh_delete(iocb->bh);
+ iocb->bh = NULL;
+
+ qemu_aio_release(iocb);
+}
+
+BlockDriverAIOCB *ide_issue_trim(BlockDriverState *bs,
+ int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
+ BlockDriverCompletionFunc *cb, void *opaque)
+{
+ TrimAIOCB *iocb;
+ int i, j, ret;
+
+ iocb = qemu_aio_get(&trim_aio_pool, bs, cb, opaque);
+ iocb->bh = qemu_bh_new(ide_trim_bh_cb, iocb);
+ iocb->ret = 0;
+
+ for (j = 0; j < qiov->niov; j++) {
+ uint64_t *buffer = qiov->iov[j].iov_base;
+
+ for (i = 0; i < qiov->iov[j].iov_len / 8; i++) {
+ /* 6-byte LBA + 2-byte range per entry */
+ uint64_t entry = le64_to_cpu(buffer[i]);
+ uint64_t sector = entry & 0x0000ffffffffffffULL;
+ uint16_t count = entry >> 48;
+
+ if (count == 0) {
+ break;
+ }
+
+ ret = bdrv_discard(bs, sector, count);
+ if (!iocb->ret) {
+ iocb->ret = ret;
+ }
+ }
+ }
+
+ qemu_bh_schedule(iocb->bh);
+
+ return &iocb->common;
+}
+
static inline void ide_abort_command(IDEState *s)
{
s->status = READY_STAT | ERR_STAT;
}
/* 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)
+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->bus->dma->ops->start_transfer(s->bus->dma);
}
-static void ide_transfer_stop(IDEState *s)
+void ide_transfer_stop(IDEState *s)
{
s->end_transfer_func = ide_transfer_stop;
s->data_ptr = s->io_buffer;
#endif
if (n > s->req_nb_sectors)
n = s->req_nb_sectors;
+
+ bdrv_acct_start(s->bs, &s->acct, n * BDRV_SECTOR_SIZE, BDRV_ACCT_READ);
ret = bdrv_read(s->bs, sector_num, s->io_buffer, n);
+ bdrv_acct_done(s->bs, &s->acct);
if (ret != 0) {
if (ide_handle_rw_error(s, -ret,
BM_STATUS_PIO_RETRY | BM_STATUS_RETRY_READ))
qemu_sglist_destroy(&s->sg);
}
-static void ide_set_inactive(IDEState *s)
+void ide_set_inactive(IDEState *s)
{
s->bus->dma->aiocb = NULL;
s->bus->dma->ops->set_inactive(s->bus->dma);
s->error = ABRT_ERR;
s->status = READY_STAT | ERR_STAT;
ide_set_inactive(s);
- s->bus->dma->ops->add_status(s->bus->dma, BM_STATUS_INT);
ide_set_irq(s->bus);
}
if ((error == ENOSPC && action == BLOCK_ERR_STOP_ENOSPC)
|| action == BLOCK_ERR_STOP_ANY) {
s->bus->dma->ops->set_unit(s->bus->dma, s->unit);
- s->bus->dma->ops->add_status(s->bus->dma, op);
+ s->bus->error_status = op;
bdrv_mon_event(s->bs, BDRV_ACTION_STOP, is_read);
- vm_stop(VMSTOP_DISKFULL);
+ vm_stop(RUN_STATE_IO_ERROR);
+ bdrv_iostatus_set_err(s->bs, error);
} else {
if (op & BM_STATUS_DMA_RETRY) {
dma_buf_commit(s, 0);
if (ret < 0) {
int op = BM_STATUS_DMA_RETRY;
- if (s->is_read)
+ if (s->dma_cmd == IDE_DMA_READ)
op |= BM_STATUS_RETRY_READ;
+ else if (s->dma_cmd == IDE_DMA_TRIM)
+ op |= BM_STATUS_RETRY_TRIM;
+
if (ide_handle_rw_error(s, -ret, op)) {
return;
}
n = s->io_buffer_size >> 9;
sector_num = ide_get_sector(s);
if (n > 0) {
- dma_buf_commit(s, s->is_read);
+ dma_buf_commit(s, ide_cmd_is_read(s));
sector_num += n;
ide_set_sector(s, sector_num);
s->nsector -= n;
n = s->nsector;
s->io_buffer_index = 0;
s->io_buffer_size = n * 512;
- if (s->bus->dma->ops->prepare_buf(s->bus->dma, s->is_read) == 0)
+ if (s->bus->dma->ops->prepare_buf(s->bus->dma, ide_cmd_is_read(s)) == 0) {
+ /* The PRDs were too short. Reset the Active bit, but don't raise an
+ * interrupt. */
goto eot;
+ }
#ifdef DEBUG_AIO
- printf("ide_dma_cb: sector_num=%" PRId64 " n=%d, is_read=%d\n",
- sector_num, n, s->is_read);
+ printf("ide_dma_cb: sector_num=%" PRId64 " n=%d, cmd_cmd=%d\n",
+ sector_num, n, s->dma_cmd);
#endif
- if (s->is_read) {
+ switch (s->dma_cmd) {
+ case IDE_DMA_READ:
s->bus->dma->aiocb = dma_bdrv_read(s->bs, &s->sg, sector_num,
ide_dma_cb, s);
- } else {
+ break;
+ case IDE_DMA_WRITE:
s->bus->dma->aiocb = dma_bdrv_write(s->bs, &s->sg, sector_num,
ide_dma_cb, s);
+ break;
+ case IDE_DMA_TRIM:
+ s->bus->dma->aiocb = dma_bdrv_io(s->bs, &s->sg, sector_num,
+ ide_issue_trim, ide_dma_cb, s, true);
+ break;
}
if (!s->bus->dma->aiocb) {
return;
eot:
- s->bus->dma->ops->add_status(s->bus->dma, BM_STATUS_INT);
- ide_set_inactive(s);
+ if (s->dma_cmd == IDE_DMA_READ || s->dma_cmd == IDE_DMA_WRITE) {
+ bdrv_acct_done(s->bs, &s->acct);
+ }
+ ide_set_inactive(s);
}
-static void ide_sector_start_dma(IDEState *s, int is_read)
+static void ide_sector_start_dma(IDEState *s, enum ide_dma_cmd dma_cmd)
{
s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT;
s->io_buffer_index = 0;
s->io_buffer_size = 0;
- s->is_read = is_read;
+ s->dma_cmd = dma_cmd;
+
+ switch (dma_cmd) {
+ case IDE_DMA_READ:
+ bdrv_acct_start(s->bs, &s->acct, s->nsector * BDRV_SECTOR_SIZE,
+ BDRV_ACCT_READ);
+ break;
+ case IDE_DMA_WRITE:
+ bdrv_acct_start(s->bs, &s->acct, s->nsector * BDRV_SECTOR_SIZE,
+ BDRV_ACCT_WRITE);
+ break;
+ default:
+ break;
+ }
+
s->bus->dma->ops->start_dma(s->bus->dma, s, ide_dma_cb);
}
n = s->nsector;
if (n > s->req_nb_sectors)
n = s->req_nb_sectors;
+
+ bdrv_acct_start(s->bs, &s->acct, n * BDRV_SECTOR_SIZE, BDRV_ACCT_READ);
ret = bdrv_write(s->bs, sector_num, s->io_buffer, n);
+ bdrv_acct_done(s->bs, &s->acct);
if (ret != 0) {
if (ide_handle_rw_error(s, -ret, BM_STATUS_PIO_RETRY))
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) + (get_ticks_per_sec() / 1000));
+ qemu_get_clock_ns(vm_clock) + (get_ticks_per_sec() / 1000));
} else {
ide_set_irq(s->bus);
}
}
-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->bus);
-}
-
-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->bus);
-}
-
-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->bus);
-}
-
static void ide_flush_cb(void *opaque, int ret)
{
IDEState *s = opaque;
}
}
+ bdrv_acct_done(s->bs, &s->acct);
s->status = READY_STAT | SEEK_STAT;
ide_set_irq(s->bus);
}
return;
}
+ bdrv_acct_start(s->bs, &s->acct, 0, BDRV_ACCT_FLUSH);
acb = bdrv_aio_flush(s->bs, ide_flush_cb, s);
if (acb == NULL) {
ide_flush_cb(s, -EIO);
}
}
-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->bus);
-#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;
- s->packet_transfer_size -= size;
- s->elementary_transfer_size -= size;
- s->io_buffer_index += size;
- ide_transfer_start(s, s->io_buffer + s->io_buffer_index - size,
- size, ide_atapi_cmd_reply_end);
- } 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);
- }
- s->packet_transfer_size -= size;
- s->elementary_transfer_size -= size;
- s->io_buffer_index += size;
- ide_transfer_start(s, s->io_buffer + s->io_buffer_index - size,
- size, ide_atapi_cmd_reply_end);
- ide_set_irq(s->bus);
-#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;
- s->bus->dma->ops->start_dma(s->bus->dma, 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)
-{
- IDEState *s = opaque;
- 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 (s->bus->dma->ops->rw_buf(s->bus->dma, 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->bus);
- eot:
- s->bus->dma->ops->add_status(s->bus->dma, BM_STATUS_INT);
- ide_set_inactive(s);
- 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
- s->bus->dma->iov.iov_base = (void *)(s->io_buffer + data_offset);
- s->bus->dma->iov.iov_len = n * 4 * 512;
- qemu_iovec_init_external(&s->bus->dma->qiov, &s->bus->dma->iov, 1);
- s->bus->dma->aiocb = bdrv_aio_readv(s->bs, (int64_t)s->lba << 2,
- &s->bus->dma->qiov, n * 4,
- ide_atapi_cmd_read_dma_cb, s);
- if (!s->bus->dma->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;
- s->bus->dma->ops->start_dma(s->bus->dma, 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 GPMODE_R_W_ERROR_PAGE: /* 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 GPMODE_AUDIO_CTL_PAGE:
- cpu_to_ube16(&buf[0], 24 + 6);
- buf[2] = 0x70;
- buf[3] = 0;
- buf[4] = 0;
- buf[5] = 0;
- buf[6] = 0;
- buf[7] = 0;
-
- /* Fill with CDROM audio volume */
- buf[17] = 0;
- buf[19] = 0;
- buf[21] = 0;
- buf[23] = 0;
-
- ide_atapi_cmd_reply(s, 24, max_len);
- break;
- case GPMODE_CAPABILITIES_PAGE:
- 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, s->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;
- }
- case GPCMD_GET_EVENT_STATUS_NOTIFICATION:
- max_len = ube16_to_cpu(packet + 7);
-
- if (packet[1] & 0x01) { /* polling */
- /* We don't support any event class (yet). */
- cpu_to_ube16(buf, 0x00); /* No event descriptor returned */
- buf[2] = 0x80; /* No Event Available (NEA) */
- buf[3] = 0x00; /* Empty supported event classes */
- ide_atapi_cmd_reply(s, 4, max_len);
- } else { /* asynchronous mode */
- /* Only polling is supported, asynchronous mode is not. */
- ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
- ASC_INV_FIELD_IN_CMD_PACKET);
- }
- 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;
}
/* called when the inserted state of the media has changed */
-static void cdrom_change_cb(void *opaque, int reason)
+static void ide_cd_change_cb(void *opaque, bool load)
{
IDEState *s = opaque;
uint64_t nb_sectors;
- if (!(reason & CHANGE_MEDIA)) {
- return;
- }
-
+ s->tray_open = !load;
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;
+ /*
+ * First indicate to the guest that a CD has been removed. That's
+ * done on the next command the guest sends us.
+ *
+ * Then we set SENSE_UNIT_ATTENTION, by which the guest will
+ * detect a new CD in the drive. See ide_atapi_cmd() for details.
+ */
s->cdrom_changed = 1;
+ s->events.new_media = true;
ide_set_irq(s->bus);
}
}
}
+#define HD_OK (1u << IDE_HD)
+#define CD_OK (1u << IDE_CD)
+#define CFA_OK (1u << IDE_CFATA)
+#define HD_CFA_OK (HD_OK | CFA_OK)
+#define ALL_OK (HD_OK | CD_OK | CFA_OK)
+
+/* See ACS-2 T13/2015-D Table B.2 Command codes */
+static const uint8_t ide_cmd_table[0x100] = {
+ /* NOP not implemented, mandatory for CD */
+ [CFA_REQ_EXT_ERROR_CODE] = CFA_OK,
+ [WIN_DSM] = ALL_OK,
+ [WIN_DEVICE_RESET] = CD_OK,
+ [WIN_RECAL] = HD_CFA_OK,
+ [WIN_READ] = ALL_OK,
+ [WIN_READ_ONCE] = ALL_OK,
+ [WIN_READ_EXT] = HD_CFA_OK,
+ [WIN_READDMA_EXT] = HD_CFA_OK,
+ [WIN_READ_NATIVE_MAX_EXT] = HD_CFA_OK,
+ [WIN_MULTREAD_EXT] = HD_CFA_OK,
+ [WIN_WRITE] = HD_CFA_OK,
+ [WIN_WRITE_ONCE] = HD_CFA_OK,
+ [WIN_WRITE_EXT] = HD_CFA_OK,
+ [WIN_WRITEDMA_EXT] = HD_CFA_OK,
+ [CFA_WRITE_SECT_WO_ERASE] = CFA_OK,
+ [WIN_MULTWRITE_EXT] = HD_CFA_OK,
+ [WIN_WRITE_VERIFY] = HD_CFA_OK,
+ [WIN_VERIFY] = HD_CFA_OK,
+ [WIN_VERIFY_ONCE] = HD_CFA_OK,
+ [WIN_VERIFY_EXT] = HD_CFA_OK,
+ [WIN_SEEK] = HD_CFA_OK,
+ [CFA_TRANSLATE_SECTOR] = CFA_OK,
+ [WIN_DIAGNOSE] = ALL_OK,
+ [WIN_SPECIFY] = HD_CFA_OK,
+ [WIN_STANDBYNOW2] = ALL_OK,
+ [WIN_IDLEIMMEDIATE2] = ALL_OK,
+ [WIN_STANDBY2] = ALL_OK,
+ [WIN_SETIDLE2] = ALL_OK,
+ [WIN_CHECKPOWERMODE2] = ALL_OK,
+ [WIN_SLEEPNOW2] = ALL_OK,
+ [WIN_PACKETCMD] = CD_OK,
+ [WIN_PIDENTIFY] = CD_OK,
+ [WIN_SMART] = HD_CFA_OK,
+ [CFA_ACCESS_METADATA_STORAGE] = CFA_OK,
+ [CFA_ERASE_SECTORS] = CFA_OK,
+ [WIN_MULTREAD] = HD_CFA_OK,
+ [WIN_MULTWRITE] = HD_CFA_OK,
+ [WIN_SETMULT] = HD_CFA_OK,
+ [WIN_READDMA] = HD_CFA_OK,
+ [WIN_READDMA_ONCE] = HD_CFA_OK,
+ [WIN_WRITEDMA] = HD_CFA_OK,
+ [WIN_WRITEDMA_ONCE] = HD_CFA_OK,
+ [CFA_WRITE_MULTI_WO_ERASE] = CFA_OK,
+ [WIN_STANDBYNOW1] = ALL_OK,
+ [WIN_IDLEIMMEDIATE] = ALL_OK,
+ [WIN_STANDBY] = ALL_OK,
+ [WIN_SETIDLE1] = ALL_OK,
+ [WIN_CHECKPOWERMODE1] = ALL_OK,
+ [WIN_SLEEPNOW1] = ALL_OK,
+ [WIN_FLUSH_CACHE] = ALL_OK,
+ [WIN_FLUSH_CACHE_EXT] = HD_CFA_OK,
+ [WIN_IDENTIFY] = ALL_OK,
+ [WIN_SETFEATURES] = ALL_OK,
+ [IBM_SENSE_CONDITION] = CFA_OK,
+ [CFA_WEAR_LEVEL] = CFA_OK,
+ [WIN_READ_NATIVE_MAX] = ALL_OK,
+};
+
+static bool ide_cmd_permitted(IDEState *s, uint32_t cmd)
+{
+ return cmd < ARRAY_SIZE(ide_cmd_table)
+ && (ide_cmd_table[cmd] & (1u << s->drive_kind));
+}
void ide_exec_cmd(IDEBus *bus, uint32_t val)
{
if ((s->status & (BUSY_STAT|DRQ_STAT)) && val != WIN_DEVICE_RESET)
return;
+ if (!ide_cmd_permitted(s, val)) {
+ goto abort_cmd;
+ }
+
switch(val) {
+ case WIN_DSM:
+ switch (s->feature) {
+ case DSM_TRIM:
+ if (!s->bs) {
+ goto abort_cmd;
+ }
+ ide_sector_start_dma(s, IDE_DMA_TRIM);
+ break;
+ default:
+ goto abort_cmd;
+ }
+ break;
case WIN_IDENTIFY:
if (s->bs && s->drive_kind != IDE_CD) {
if (s->drive_kind != IDE_CFATA)
s->status = READY_STAT | SEEK_STAT;
ide_set_irq(s->bus);
break;
- case WIN_READ_EXT:
+ case WIN_READ_EXT:
lba48 = 1;
case WIN_READ:
case WIN_READ_ONCE:
- if (!s->bs)
+ if (s->drive_kind == IDE_CD) {
+ ide_set_signature(s); /* odd, but ATA4 8.27.5.2 requires it */
goto abort_cmd;
+ }
ide_cmd_lba48_transform(s, lba48);
s->req_nb_sectors = 1;
ide_sector_read(s);
break;
- case WIN_WRITE_EXT:
+ case WIN_WRITE_EXT:
lba48 = 1;
case WIN_WRITE:
case WIN_WRITE_ONCE:
ide_transfer_start(s, s->io_buffer, 512, ide_sector_write);
s->media_changed = 1;
break;
- case WIN_MULTREAD_EXT:
+ case WIN_MULTREAD_EXT:
lba48 = 1;
case WIN_MULTREAD:
if (!s->mult_sectors)
ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_write);
s->media_changed = 1;
break;
- case WIN_READDMA_EXT:
+ 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_start_dma(s, 1);
+ ide_sector_start_dma(s, IDE_DMA_READ);
break;
- case WIN_WRITEDMA_EXT:
+ 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_start_dma(s, 0);
+ ide_sector_start_dma(s, IDE_DMA_WRITE);
s->media_changed = 1;
break;
case WIN_READ_NATIVE_MAX_EXT:
break;
case WIN_CHECKPOWERMODE1:
case WIN_CHECKPOWERMODE2:
+ s->error = 0;
s->nsector = 0xff; /* device active or idle */
s->status = READY_STAT | SEEK_STAT;
ide_set_irq(s->bus);
case WIN_STANDBYNOW1:
case WIN_STANDBYNOW2:
case WIN_IDLEIMMEDIATE:
- case CFA_IDLEIMMEDIATE:
+ case WIN_IDLEIMMEDIATE2:
case WIN_SETIDLE1:
case WIN_SETIDLE2:
case WIN_SLEEPNOW1:
ide_set_irq(s->bus);
break;
case WIN_SEEK:
- if(s->drive_kind == IDE_CD)
- goto abort_cmd;
/* XXX: Check that seek is within bounds */
s->status = READY_STAT | SEEK_STAT;
ide_set_irq(s->bus);
break;
/* ATAPI commands */
case WIN_PIDENTIFY:
- if (s->drive_kind == IDE_CD) {
- 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_atapi_identify(s);
+ s->status = READY_STAT | SEEK_STAT;
+ ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop);
ide_set_irq(s->bus);
break;
case WIN_DIAGNOSE:
*/
ide_set_irq(s->bus);
break;
- case WIN_SRST:
- if (s->drive_kind != IDE_CD)
- goto abort_cmd;
+ case WIN_DEVICE_RESET:
ide_set_signature(s);
s->status = 0x00; /* NOTE: READY is _not_ set */
s->error = 0x01;
break;
case WIN_PACKETCMD:
- if (s->drive_kind != IDE_CD)
- goto abort_cmd;
/* overlapping commands not supported */
if (s->feature & 0x02)
goto abort_cmd;
break;
/* CF-ATA commands */
case CFA_REQ_EXT_ERROR_CODE:
- if (s->drive_kind != IDE_CFATA)
- goto abort_cmd;
s->error = 0x09; /* miscellaneous error */
s->status = READY_STAT | SEEK_STAT;
ide_set_irq(s->bus);
break;
case CFA_ERASE_SECTORS:
case CFA_WEAR_LEVEL:
- if (s->drive_kind != IDE_CFATA)
- goto abort_cmd;
if (val == CFA_WEAR_LEVEL)
s->nsector = 0;
if (val == CFA_ERASE_SECTORS)
ide_set_irq(s->bus);
break;
case CFA_TRANSLATE_SECTOR:
- if (s->drive_kind != IDE_CFATA)
- goto abort_cmd;
s->error = 0x00;
s->status = READY_STAT | SEEK_STAT;
memset(s->io_buffer, 0, 0x200);
ide_set_irq(s->bus);
break;
case CFA_ACCESS_METADATA_STORAGE:
- if (s->drive_kind != IDE_CFATA)
- goto abort_cmd;
switch (s->feature) {
case 0x02: /* Inquiry Metadata Storage */
ide_cfata_metadata_inquiry(s);
ide_set_irq(s->bus);
break;
case IBM_SENSE_CONDITION:
- if (s->drive_kind != IDE_CFATA)
- goto abort_cmd;
switch (s->feature) {
case 0x01: /* sense temperature in device */
s->nsector = 0x50; /* +20 C */
ide_set_irq(s->bus);
break;
- case WIN_SMART:
- if (s->drive_kind == IDE_CD)
- goto abort_cmd;
+ case WIN_SMART:
if (s->hcyl != 0xc2 || s->lcyl != 0x4f)
goto abort_cmd;
if (!s->smart_enabled && s->feature != SMART_ENABLE)
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];
+ s->io_buffer[2+1+(n*12)] = smart_attributes[n][11];
}
for (n=0; n<511; n++) /* checksum */
s->io_buffer[511] += s->io_buffer[n];
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)
+ 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];
+ }
+ int i;
+ for(i = 0; i < 11; i++) {
+ s->io_buffer[2+i+(n*12)] = smart_attributes[n][i];
+ }
}
s->io_buffer[362] = 0x02 | (s->smart_autosave?0x80:0x00);
if (s->smart_selftest_count == 0) {
}
break;
default:
+ /* should not be reachable */
abort_cmd:
ide_abort_command(s);
ide_set_irq(s->bus);
bus->cmd = val;
}
+/*
+ * Returns true if the running PIO transfer is a PIO out (i.e. data is
+ * transferred from the device to the guest), false if it's a PIO in
+ */
+static bool ide_is_pio_out(IDEState *s)
+{
+ if (s->end_transfer_func == ide_sector_write ||
+ s->end_transfer_func == ide_atapi_cmd) {
+ return false;
+ } else if (s->end_transfer_func == ide_sector_read ||
+ s->end_transfer_func == ide_transfer_stop ||
+ s->end_transfer_func == ide_atapi_cmd_reply_end ||
+ s->end_transfer_func == ide_dummy_transfer_stop) {
+ return true;
+ }
+
+ abort();
+}
+
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))
+ /* PIO data access allowed only when DRQ bit is set. The result of a write
+ * during PIO out is indeterminate, just ignore it. */
+ if (!(s->status & DRQ_STAT) || ide_is_pio_out(s)) {
return;
+ }
p = s->data_ptr;
*(uint16_t *)p = le16_to_cpu(val);
uint8_t *p;
int ret;
- /* PIO data access allowed only when DRQ bit is set */
- if (!(s->status & DRQ_STAT))
+ /* PIO data access allowed only when DRQ bit is set. The result of a read
+ * during PIO in is indeterminate, return 0 and don't move forward. */
+ if (!(s->status & DRQ_STAT) || !ide_is_pio_out(s)) {
return 0;
+ }
p = s->data_ptr;
ret = cpu_to_le16(*(uint16_t *)p);
IDEState *s = idebus_active_if(bus);
uint8_t *p;
- /* PIO data access allowed only when DRQ bit is set */
- if (!(s->status & DRQ_STAT))
+ /* PIO data access allowed only when DRQ bit is set. The result of a write
+ * during PIO out is indeterminate, just ignore it. */
+ if (!(s->status & DRQ_STAT) || ide_is_pio_out(s)) {
return;
+ }
p = s->data_ptr;
*(uint32_t *)p = le32_to_cpu(val);
uint8_t *p;
int ret;
- /* PIO data access allowed only when DRQ bit is set */
- if (!(s->status & DRQ_STAT))
+ /* PIO data access allowed only when DRQ bit is set. The result of a read
+ * during PIO in is indeterminate, return 0 and don't move forward. */
+ if (!(s->status & DRQ_STAT) || !ide_is_pio_out(s)) {
return 0;
+ }
p = s->data_ptr;
ret = cpu_to_le32(*(uint32_t *)p);
bus->dma->ops->reset(bus->dma);
}
-int ide_init_drive(IDEState *s, BlockDriverState *bs,
+static bool ide_cd_is_tray_open(void *opaque)
+{
+ return ((IDEState *)opaque)->tray_open;
+}
+
+static bool ide_cd_is_medium_locked(void *opaque)
+{
+ return ((IDEState *)opaque)->tray_locked;
+}
+
+static const BlockDevOps ide_cd_block_ops = {
+ .change_media_cb = ide_cd_change_cb,
+ .is_tray_open = ide_cd_is_tray_open,
+ .is_medium_locked = ide_cd_is_medium_locked,
+};
+
+int ide_init_drive(IDEState *s, BlockDriverState *bs, IDEDriveKind kind,
const char *version, const char *serial)
{
int cylinders, heads, secs;
uint64_t nb_sectors;
s->bs = bs;
+ s->drive_kind = kind;
+
bdrv_get_geometry(bs, &nb_sectors);
bdrv_guess_geometry(bs, &cylinders, &heads, &secs);
if (cylinders < 1 || cylinders > 16383) {
s->smart_autosave = 1;
s->smart_errors = 0;
s->smart_selftest_count = 0;
- if (bdrv_get_type_hint(bs) == BDRV_TYPE_CDROM) {
- s->drive_kind = IDE_CD;
- bdrv_set_change_cb(bs, cdrom_change_cb, s);
- bs->buffer_alignment = 2048;
+ if (kind == IDE_CD) {
+ bdrv_set_dev_ops(bs, &ide_cd_block_ops, s);
+ bdrv_set_buffer_alignment(bs, 2048);
} else {
if (!bdrv_is_inserted(s->bs)) {
error_report("Device needs media, but drive is empty");
}
ide_reset(s);
- bdrv_set_removable(bs, s->drive_kind == IDE_CD);
+ bdrv_iostatus_enable(bs);
return 0;
}
s->unit = unit;
s->drive_serial = drive_serial++;
/* we need at least 2k alignment for accessing CDROMs using O_DIRECT */
- s->io_buffer = qemu_memalign(2048, IDE_DMA_BUF_SECTORS*512 + 4);
s->io_buffer_total_len = IDE_DMA_BUF_SECTORS*512 + 4;
+ s->io_buffer = qemu_memalign(2048, s->io_buffer_total_len);
+ memset(s->io_buffer, 0, s->io_buffer_total_len);
+
s->smart_selftest_data = qemu_blockalign(s->bs, 512);
- s->sector_write_timer = qemu_new_timer(vm_clock,
+ memset(s->smart_selftest_data, 0, 512);
+
+ s->sector_write_timer = qemu_new_timer_ns(vm_clock,
ide_sector_write_timer_cb, s);
}
return 0;
}
-static void ide_nop_restart(void *opaque, int x, int y)
+static void ide_nop_restart(void *opaque, int x, RunState y)
{
}
dinfo = i == 0 ? hd0 : hd1;
ide_init1(bus, i);
if (dinfo) {
- if (ide_init_drive(&bus->ifs[i], dinfo->bdrv, NULL,
+ if (ide_init_drive(&bus->ifs[i], dinfo->bdrv,
+ dinfo->media_cd ? IDE_CD : IDE_HD, NULL,
*dinfo->serial ? dinfo->serial : NULL) < 0) {
error_report("Can't set up IDE drive %s", dinfo->id);
exit(1);
}
+ bdrv_attach_dev_nofail(dinfo->bdrv, &bus->ifs[i]);
} else {
ide_reset(&bus->ifs[i]);
}
bus->dma = &ide_dma_nop;
}
-void ide_init_ioport(IDEBus *bus, int iobase, int iobase2)
+static const MemoryRegionPortio ide_portio_list[] = {
+ { 0, 8, 1, .read = ide_ioport_read, .write = ide_ioport_write },
+ { 0, 2, 2, .read = ide_data_readw, .write = ide_data_writew },
+ { 0, 4, 4, .read = ide_data_readl, .write = ide_data_writel },
+ PORTIO_END_OF_LIST(),
+};
+
+static const MemoryRegionPortio ide_portio2_list[] = {
+ { 0, 1, 1, .read = ide_status_read, .write = ide_cmd_write },
+ PORTIO_END_OF_LIST(),
+};
+
+void ide_init_ioport(IDEBus *bus, ISADevice *dev, int iobase, int iobase2)
{
- register_ioport_write(iobase, 8, 1, ide_ioport_write, bus);
- register_ioport_read(iobase, 8, 1, ide_ioport_read, bus);
+ /* ??? Assume only ISA and PCI configurations, and that the PCI-ISA
+ bridge has been setup properly to always register with ISA. */
+ isa_register_portio_list(dev, iobase, ide_portio_list, bus, "ide");
+
if (iobase2) {
- register_ioport_read(iobase2, 1, 1, ide_status_read, bus);
- register_ioport_write(iobase2, 1, 1, ide_cmd_write, bus);
+ isa_register_portio_list(dev, iobase2, ide_portio2_list, bus, "ide");
}
-
- /* 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);
}
static bool is_identify_set(void *opaque, int version_id)
{
IDEState *s = opaque;
- if (s->end_transfer_fn_idx > ARRAY_SIZE(transfer_end_table)) {
+ if (s->end_transfer_fn_idx >= ARRAY_SIZE(transfer_end_table)) {
return -EINVAL;
}
s->end_transfer_func = transfer_end_table[s->end_transfer_fn_idx];
{
IDEState *s = opaque;
- return (s->status & DRQ_STAT) != 0;
+ return ((s->status & DRQ_STAT) != 0)
+ || (s->bus->error_status & BM_STATUS_PIO_RETRY);
+}
+
+static int ide_tray_state_post_load(void *opaque, int version_id)
+{
+ IDEState *s = opaque;
+
+ bdrv_eject(s->bs, s->tray_open);
+ bdrv_lock_medium(s->bs, s->tray_locked);
+ return 0;
+}
+
+static bool ide_tray_state_needed(void *opaque)
+{
+ IDEState *s = opaque;
+
+ return s->tray_open || s->tray_locked;
+}
+
+static bool ide_atapi_gesn_needed(void *opaque)
+{
+ IDEState *s = opaque;
+
+ return s->events.new_media || s->events.eject_request;
+}
+
+static bool ide_error_needed(void *opaque)
+{
+ IDEBus *bus = opaque;
+
+ return (bus->error_status != 0);
}
-const VMStateDescription vmstate_ide_drive_pio_state = {
+/* Fields for GET_EVENT_STATUS_NOTIFICATION ATAPI command */
+static const VMStateDescription vmstate_ide_atapi_gesn_state = {
+ .name ="ide_drive/atapi/gesn_state",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField []) {
+ VMSTATE_BOOL(events.new_media, IDEState),
+ VMSTATE_BOOL(events.eject_request, IDEState),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static const VMStateDescription vmstate_ide_tray_state = {
+ .name = "ide_drive/tray_state",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .post_load = ide_tray_state_post_load,
+ .fields = (VMStateField[]) {
+ VMSTATE_BOOL(tray_open, IDEState),
+ VMSTATE_BOOL(tray_locked, IDEState),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static const VMStateDescription vmstate_ide_drive_pio_state = {
.name = "ide_drive/pio_state",
.version_id = 1,
.minimum_version_id = 1,
{
.vmsd = &vmstate_ide_drive_pio_state,
.needed = ide_drive_pio_state_needed,
+ }, {
+ .vmsd = &vmstate_ide_tray_state,
+ .needed = ide_tray_state_needed,
+ }, {
+ .vmsd = &vmstate_ide_atapi_gesn_state,
+ .needed = ide_atapi_gesn_needed,
}, {
/* empty */
}
}
};
+static const VMStateDescription vmstate_ide_error_status = {
+ .name ="ide_bus/error",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField []) {
+ VMSTATE_INT32(error_status, IDEBus),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
const VMStateDescription vmstate_ide_bus = {
.name = "ide_bus",
.version_id = 1,
VMSTATE_UINT8(cmd, IDEBus),
VMSTATE_UINT8(unit, IDEBus),
VMSTATE_END_OF_LIST()
+ },
+ .subsections = (VMStateSubsection []) {
+ {
+ .vmsd = &vmstate_ide_error_status,
+ .needed = ide_error_needed,
+ }, {
+ /* empty */
+ }
}
};
+
+void ide_drive_get(DriveInfo **hd, int max_bus)
+{
+ int i;
+
+ if (drive_get_max_bus(IF_IDE) >= max_bus) {
+ fprintf(stderr, "qemu: too many IDE bus: %d\n", max_bus);
+ exit(1);
+ }
+
+ for(i = 0; i < max_bus * MAX_IDE_DEVS; i++) {
+ hd[i] = drive_get(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
+ }
+}
projects / qemu.git / blobdiff