ide: Convert SMART 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 10:26:10 +02:00 committed by Stefan Hajnoczi
parent 6b1dd74424
commit ff35267730

View File

@ -1438,6 +1438,179 @@ static bool cmd_ibm_sense_condition(IDEState *s, uint8_t cmd)
return true;
}
/*** SMART commands ***/
static bool cmd_smart(IDEState *s, uint8_t cmd)
{
int n;
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;
return true;
case SMART_ENABLE:
s->smart_enabled = 1;
return true;
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;
}
return true;
case SMART_STATUS:
if (!s->smart_errors) {
s->hcyl = 0xc2;
s->lcyl = 0x4f;
} else {
s->hcyl = 0x2c;
s->lcyl = 0xf4;
}
return true;
case SMART_READ_THRESH:
memset(s->io_buffer, 0, 0x200);
s->io_buffer[0] = 0x01; /* smart struct version */
for (n = 0; n < ARRAY_SIZE(smart_attributes); n++) {
s->io_buffer[2 + 0 + (n * 12)] = smart_attributes[n][0];
s->io_buffer[2 + 1 + (n * 12)] = smart_attributes[n][11];
}
/* checksum */
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->bus);
return false;
case SMART_READ_DATA:
memset(s->io_buffer, 0, 0x200);
s->io_buffer[0] = 0x01; /* smart struct version */
for (n = 0; n < ARRAY_SIZE(smart_attributes); n++) {
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) {
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->bus);
return false;
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->bus);
return false;
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 */
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)
@ -1486,7 +1659,7 @@ static const struct {
[WIN_SLEEPNOW2] = { cmd_nop, ALL_OK },
[WIN_PACKETCMD] = { cmd_packet, CD_OK },
[WIN_PIDENTIFY] = { cmd_identify_packet, CD_OK },
[WIN_SMART] = { NULL, HD_CFA_OK },
[WIN_SMART] = { cmd_smart, HD_CFA_OK | SET_DSC },
[CFA_ACCESS_METADATA_STORAGE] = { cmd_cfa_access_metadata_storage, CFA_OK },
[CFA_ERASE_SECTORS] = { cmd_cfa_erase_sectors, CFA_OK | SET_DSC },
[WIN_MULTREAD] = { cmd_read_multiple, HD_CFA_OK },
@ -1521,7 +1694,6 @@ static bool ide_cmd_permitted(IDEState *s, uint32_t cmd)
void ide_exec_cmd(IDEBus *bus, uint32_t val)
{
IDEState *s;
int n;
#if defined(DEBUG_IDE)
printf("ide: CMD=%02x\n", val);
@ -1561,155 +1733,6 @@ void ide_exec_cmd(IDEBus *bus, uint32_t val)
}
switch(val) {
case WIN_SMART:
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->bus);
break;
case SMART_ENABLE:
s->smart_enabled = 1;
s->status = READY_STAT | SEEK_STAT;
ide_set_irq(s->bus);
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->bus);
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->bus);
break;
case SMART_READ_THRESH:
memset(s->io_buffer, 0, 0x200);
s->io_buffer[0] = 0x01; /* smart struct version */
for (n = 0; n < ARRAY_SIZE(smart_attributes); n++) {
s->io_buffer[2+0+(n*12)] = smart_attributes[n][0];
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];
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->bus);
break;
case SMART_READ_DATA:
memset(s->io_buffer, 0, 0x200);
s->io_buffer[0] = 0x01; /* smart struct version */
for (n = 0; n < ARRAY_SIZE(smart_attributes); n++) {
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) {
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->bus);
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->bus);
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->bus);
break;
default:
goto abort_cmd;
}
break;
default:
goto abort_cmd;
}
break;
default:
/* should not be reachable */
abort_cmd: