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ide: Convert SET FEATURES 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 10:26:05 +02:00 committed by Stefan Hajnoczi
parent 785f632085
commit ee03398c51
1 changed files with 75 additions and 72 deletions
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147
hw/ide/core.c
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@ -1206,6 +1206,80 @@ static bool cmd_check_power_mode(IDEState *s, uint8_t cmd)
return true;
}
static bool cmd_set_features(IDEState *s, uint8_t cmd)
{
uint16_t *identify_data;
if (!s->bs) {
ide_abort_command(s);
return true;
}
/* XXX: valid for CDROM ? */
switch (s->feature) {
case 0x02: /* write cache enable */
bdrv_set_enable_write_cache(s->bs, true);
identify_data = (uint16_t *)s->identify_data;
put_le16(identify_data + 85, (1 << 14) | (1 << 5) | 1);
return true;
case 0x82: /* write cache disable */
bdrv_set_enable_write_cache(s->bs, false);
identify_data = (uint16_t *)s->identify_data;
put_le16(identify_data + 85, (1 << 14) | 1);
ide_flush_cache(s);
return false;
case 0xcc: /* reverting to power-on defaults enable */
case 0x66: /* reverting to power-on defaults 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 */
return true;
case 0x03: /* set transfer mode */
{
uint8_t val = s->nsector & 0x07;
identify_data = (uint16_t *)s->identify_data;
switch (s->nsector >> 3) {
case 0x00: /* pio default */
case 0x01: /* pio mode */
put_le16(identify_data + 62, 0x07);
put_le16(identify_data + 63, 0x07);
put_le16(identify_data + 88, 0x3f);
break;
case 0x02: /* sigle word dma mode*/
put_le16(identify_data + 62, 0x07 | (1 << (val + 8)));
put_le16(identify_data + 63, 0x07);
put_le16(identify_data + 88, 0x3f);
break;
case 0x04: /* mdma mode */
put_le16(identify_data + 62, 0x07);
put_le16(identify_data + 63, 0x07 | (1 << (val + 8)));
put_le16(identify_data + 88, 0x3f);
break;
case 0x08: /* udma mode */
put_le16(identify_data + 62, 0x07);
put_le16(identify_data + 63, 0x07);
put_le16(identify_data + 88, 0x3f | (1 << (val + 8)));
break;
default:
goto abort_cmd;
}
return true;
}
}
abort_cmd:
ide_abort_command(s);
return true;
}
#define HD_OK (1u << IDE_HD)
#define CD_OK (1u << IDE_CD)
#define CFA_OK (1u << IDE_CFATA)
@ -1274,7 +1348,7 @@ static const struct {
[WIN_FLUSH_CACHE] = { NULL, ALL_OK },
[WIN_FLUSH_CACHE_EXT] = { NULL, HD_CFA_OK },
[WIN_IDENTIFY] = { cmd_identify, ALL_OK },
[WIN_SETFEATURES] = { NULL, ALL_OK },
[WIN_SETFEATURES] = { cmd_set_features, ALL_OK | SET_DSC },
[IBM_SENSE_CONDITION] = { NULL, CFA_OK },
[CFA_WEAR_LEVEL] = { NULL, HD_CFA_OK },
[WIN_READ_NATIVE_MAX] = { cmd_read_native_max, ALL_OK | SET_DSC },
@ -1288,7 +1362,6 @@ static bool ide_cmd_permitted(IDEState *s, uint32_t cmd)
void ide_exec_cmd(IDEBus *bus, uint32_t val)
{
uint16_t *identify_data;
IDEState *s;
int n;
@ -1330,76 +1403,6 @@ void ide_exec_cmd(IDEBus *bus, uint32_t val)
}
switch(val) {
case WIN_SETFEATURES:
if (!s->bs)
goto abort_cmd;
/* XXX: valid for CDROM ? */
switch(s->feature) {
case 0x02: /* write cache enable */
bdrv_set_enable_write_cache(s->bs, true);
identify_data = (uint16_t *)s->identify_data;
put_le16(identify_data + 85, (1 << 14) | (1 << 5) | 1);
s->status = READY_STAT | SEEK_STAT;
ide_set_irq(s->bus);
break;
case 0x82: /* write cache disable */
bdrv_set_enable_write_cache(s->bs, false);
identify_data = (uint16_t *)s->identify_data;
put_le16(identify_data + 85, (1 << 14) | 1);
ide_flush_cache(s);
break;
case 0xcc: /* reverting to power-on defaults enable */
case 0x66: /* reverting to power-on defaults 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->bus);
break;
case 0x03: { /* set transfer mode */
uint8_t val = s->nsector & 0x07;
identify_data = (uint16_t *)s->identify_data;
switch (s->nsector >> 3) {
case 0x00: /* pio default */
case 0x01: /* pio mode */
put_le16(identify_data + 62,0x07);
put_le16(identify_data + 63,0x07);
put_le16(identify_data + 88,0x3f);
break;
case 0x02: /* sigle word dma mode*/
put_le16(identify_data + 62,0x07 | (1 << (val + 8)));
put_le16(identify_data + 63,0x07);
put_le16(identify_data + 88,0x3f);
break;
case 0x04: /* mdma mode */
put_le16(identify_data + 62,0x07);
put_le16(identify_data + 63,0x07 | (1 << (val + 8)));
put_le16(identify_data + 88,0x3f);
break;
case 0x08: /* udma mode */
put_le16(identify_data + 62,0x07);
put_le16(identify_data + 63,0x07);
put_le16(identify_data + 88,0x3f | (1 << (val + 8)));
break;
default:
goto abort_cmd;
}
s->status = READY_STAT | SEEK_STAT;
ide_set_irq(s->bus);
break;
}
default:
goto abort_cmd;
}
break;
case WIN_FLUSH_CACHE:
case WIN_FLUSH_CACHE_EXT:
ide_flush_cache(s);