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ide: Convert DMA read/write commands to ide_cmd_table handler 

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Kevin Wolf 2013-06-18 10:26:02 +02:00 committed by Stefan Hajnoczi
parent 0e6498ed65
commit 92a6a6f64f
1 changed files with 38 additions and 31 deletions
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69
hw/ide/core.c
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@ -1152,6 +1152,38 @@ static bool cmd_write_pio(IDEState *s, uint8_t cmd)
return false;
}
static bool cmd_read_dma(IDEState *s, uint8_t cmd)
{
bool lba48 = (cmd == WIN_READDMA_EXT);
if (!s->bs) {
ide_abort_command(s);
return true;
}
ide_cmd_lba48_transform(s, lba48);
ide_sector_start_dma(s, IDE_DMA_READ);
return false;
}
static bool cmd_write_dma(IDEState *s, uint8_t cmd)
{
bool lba48 = (cmd == WIN_WRITEDMA_EXT);
if (!s->bs) {
ide_abort_command(s);
return true;
}
ide_cmd_lba48_transform(s, lba48);
ide_sector_start_dma(s, IDE_DMA_WRITE);
s->media_changed = 1;
return false;
}
#define HD_OK (1u << IDE_HD)
#define CD_OK (1u << IDE_CD)
#define CFA_OK (1u << IDE_CFATA)
@ -1175,13 +1207,13 @@ static const struct {
[WIN_READ] = { cmd_read_pio, ALL_OK },
[WIN_READ_ONCE] = { cmd_read_pio, ALL_OK },
[WIN_READ_EXT] = { cmd_read_pio, HD_CFA_OK },
[WIN_READDMA_EXT] = { NULL, HD_CFA_OK },
[WIN_READDMA_EXT] = { cmd_read_dma, HD_CFA_OK },
[WIN_READ_NATIVE_MAX_EXT] = { NULL, HD_CFA_OK },
[WIN_MULTREAD_EXT] = { cmd_read_multiple, HD_CFA_OK },
[WIN_WRITE] = { cmd_write_pio, HD_CFA_OK },
[WIN_WRITE_ONCE] = { cmd_write_pio, HD_CFA_OK },
[WIN_WRITE_EXT] = { cmd_write_pio, HD_CFA_OK },
[WIN_WRITEDMA_EXT] = { NULL, HD_CFA_OK },
[WIN_WRITEDMA_EXT] = { cmd_write_dma, HD_CFA_OK },
[CFA_WRITE_SECT_WO_ERASE] = { cmd_write_pio, CFA_OK },
[WIN_MULTWRITE_EXT] = { cmd_write_multiple, HD_CFA_OK },
[WIN_WRITE_VERIFY] = { cmd_write_pio, HD_CFA_OK },
@ -1206,10 +1238,10 @@ static const struct {
[WIN_MULTREAD] = { cmd_read_multiple, HD_CFA_OK },
[WIN_MULTWRITE] = { cmd_write_multiple, HD_CFA_OK },
[WIN_SETMULT] = { cmd_set_multiple_mode, HD_CFA_OK | SET_DSC },
[WIN_READDMA] = { NULL, HD_CFA_OK },
[WIN_READDMA_ONCE] = { NULL, HD_CFA_OK },
[WIN_WRITEDMA] = { NULL, HD_CFA_OK },
[WIN_WRITEDMA_ONCE] = { NULL, HD_CFA_OK },
[WIN_READDMA] = { cmd_read_dma, HD_CFA_OK },
[WIN_READDMA_ONCE] = { cmd_read_dma, HD_CFA_OK },
[WIN_WRITEDMA] = { cmd_write_dma, HD_CFA_OK },
[WIN_WRITEDMA_ONCE] = { cmd_write_dma, HD_CFA_OK },
[CFA_WRITE_MULTI_WO_ERASE] = { cmd_write_multiple, CFA_OK },
[WIN_STANDBYNOW1] = { cmd_nop, ALL_OK },
[WIN_IDLEIMMEDIATE] = { cmd_nop, ALL_OK },
@ -1277,31 +1309,6 @@ void ide_exec_cmd(IDEBus *bus, uint32_t val)
}
switch(val) {
case WIN_READDMA_EXT:
lba48 = 1;
/* fall through */
case WIN_READDMA:
case WIN_READDMA_ONCE:
if (!s->bs) {
goto abort_cmd;
}
ide_cmd_lba48_transform(s, lba48);
ide_sector_start_dma(s, IDE_DMA_READ);
break;
case WIN_WRITEDMA_EXT:
lba48 = 1;
/* fall through */
case WIN_WRITEDMA:
case WIN_WRITEDMA_ONCE:
if (!s->bs) {
goto abort_cmd;
}
ide_cmd_lba48_transform(s, lba48);
ide_sector_start_dma(s, IDE_DMA_WRITE);
s->media_changed = 1;
break;
case WIN_READ_NATIVE_MAX_EXT:
lba48 = 1;
/* fall through */