#include "hw/ide/internal.h"
#include "hw/scsi/scsi.h"
#include "sysemu/block-backend.h"
+#include "trace.h"
#define ATAPI_SECTOR_BITS (2 + BDRV_SECTOR_BITS)
#define ATAPI_SECTOR_SIZE (1 << ATAPI_SECTOR_BITS)
block_acct_start(blk_get_stats(s->blk), &s->acct,
ATAPI_SECTOR_SIZE, BLOCK_ACCT_READ);
-#ifdef DEBUG_IDE_ATAPI
- printf("cd_read_sector_sync: lba=%d\n", s->lba);
-#endif
+ trace_cd_read_sector_sync(s->lba);
switch (s->cd_sector_size) {
case 2048:
{
IDEState *s = opaque;
-#ifdef DEBUG_IDE_ATAPI
- printf("cd_read_sector_cb: lba=%d ret=%d\n", s->lba, ret);
-#endif
+ trace_cd_read_sector_cb(s->lba, ret);
if (ret < 0) {
block_acct_failed(blk_get_stats(s->blk), &s->acct);
static int cd_read_sector(IDEState *s)
{
+ void *buf;
+
if (s->cd_sector_size != 2048 && s->cd_sector_size != 2352) {
block_acct_invalid(blk_get_stats(s->blk), BLOCK_ACCT_READ);
return -EINVAL;
}
- s->iov.iov_base = (s->cd_sector_size == 2352) ?
- s->io_buffer + 16 : s->io_buffer;
-
- s->iov.iov_len = ATAPI_SECTOR_SIZE;
- qemu_iovec_init_external(&s->qiov, &s->iov, 1);
+ buf = (s->cd_sector_size == 2352) ? s->io_buffer + 16 : s->io_buffer;
+ qemu_iovec_init_buf(&s->qiov, buf, ATAPI_SECTOR_SIZE);
-#ifdef DEBUG_IDE_ATAPI
- printf("cd_read_sector: lba=%d\n", s->lba);
-#endif
+ trace_cd_read_sector(s->lba);
block_acct_start(blk_get_stats(s->blk), &s->acct,
ATAPI_SECTOR_SIZE, BLOCK_ACCT_READ);
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
+ trace_ide_atapi_cmd_error(s, sense_key, asc);
s->error = sense_key << 4;
s->status = READY_STAT | ERR_STAT;
s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
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_atapi_cmd_ok(s);
- ide_set_irq(s->bus);
-#ifdef DEBUG_IDE_ATAPI
- printf("end of transfer, status=0x%x\n", s->status);
-#endif
- } else {
+ while (s->packet_transfer_size > 0) {
+ trace_ide_atapi_cmd_reply_end(s, s->packet_transfer_size,
+ s->elementary_transfer_size,
+ s->io_buffer_index);
+
/* see if a new sector must be read */
if (s->lba != -1 && s->io_buffer_index >= s->cd_sector_size) {
if (!s->elementary_transfer_size) {
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;
+ ide_set_irq(s->bus);
byte_count_limit = atapi_byte_count_limit(s);
-#ifdef DEBUG_IDE_ATAPI
- printf("byte_count_limit=%d\n", byte_count_limit);
-#endif
+ trace_ide_atapi_cmd_reply_end_bcl(s, byte_count_limit);
size = s->packet_transfer_size;
if (size > byte_count_limit) {
/* byte count limit must be even if this case */
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
+ trace_ide_atapi_cmd_reply_end_new(s, s->status);
+ }
+ s->packet_transfer_size -= size;
+ s->elementary_transfer_size -= size;
+ s->io_buffer_index += size;
+
+ /* Some adapters process PIO data right away. In that case, we need
+ * to avoid mutual recursion between ide_transfer_start
+ * and ide_atapi_cmd_reply_end.
+ */
+ if (!ide_transfer_start_norecurse(s,
+ s->io_buffer + s->io_buffer_index - size,
+ size, ide_atapi_cmd_reply_end)) {
+ return;
}
}
+
+ /* end of transfer */
+ trace_ide_atapi_cmd_reply_end_eot(s, s->status);
+ ide_atapi_cmd_ok(s);
+ ide_set_irq(s->bus);
}
/* send a reply of 'size' bytes in s->io_buffer to an ATAPI command */
static void ide_atapi_cmd_check_status(IDEState *s)
{
-#ifdef DEBUG_IDE_ATAPI
- printf("atapi_cmd_check_status\n");
-#endif
+ trace_ide_atapi_cmd_check_status(s);
s->error = MC_ERR | (UNIT_ATTENTION << 4);
s->status = ERR_STAT;
s->nsector = 0;
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 * ATAPI_SECTOR_SIZE;
- qemu_iovec_init_external(&s->bus->dma->qiov, &s->bus->dma->iov, 1);
+ trace_ide_atapi_cmd_read_dma_cb_aio(s, s->lba, n);
+ qemu_iovec_init_buf(&s->bus->dma->qiov, s->io_buffer + data_offset,
+ n * ATAPI_SECTOR_SIZE);
s->bus->dma->aiocb = ide_buffered_readv(s, (int64_t)s->lba << 2,
&s->bus->dma->qiov, n * 4,
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
+ trace_ide_atapi_cmd_read(s, s->atapi_dma ? "dma" : "pio",
+ lba, nb_sectors);
if (s->atapi_dma) {
ide_atapi_cmd_read_dma(s, lba, nb_sectors, sector_size);
} else {
uint8_t *buf = s->io_buffer;
const struct AtapiCmd *cmd = &atapi_cmd_table[s->io_buffer[0]];
-#ifdef DEBUG_IDE_ATAPI
- {
+ trace_ide_atapi_cmd(s, s->io_buffer[0]);
+
+ if (trace_event_get_state_backends(TRACE_IDE_ATAPI_CMD_PACKET)) {
+ /* Each pretty-printed byte needs two bytes and a space; */
+ char *ppacket = g_malloc(ATAPI_PACKET_SIZE * 3 + 1);
int i;
- printf("ATAPI limit=0x%x packet:", s->lcyl | (s->hcyl << 8));
- for(i = 0; i < ATAPI_PACKET_SIZE; i++) {
- printf(" %02x", buf[i]);
+ for (i = 0; i < ATAPI_PACKET_SIZE; i++) {
+ sprintf(ppacket + (i * 3), "%02x ", buf[i]);
}
- printf("\n");
+ trace_ide_atapi_cmd_packet(s, s->lcyl | (s->hcyl << 8), ppacket);
+ g_free(ppacket);
}
-#endif
/*
* If there's a UNIT_ATTENTION condition pending, only command flagged with
projects / mirror_qemu.git / blobdiff