static int
ahd_pci_intr(struct ahd_softc *ahd)
{
uint8_t pci_status[8];
ahd_mode_state saved_modes;
u_int pci_status1;
u_int intstat;
u_int i;
u_int reg;
struct ahd_pci_busdata *bd = ahd->bus_data;
intstat = ahd_inb(ahd, INTSTAT);
if ((intstat & SPLTINT) != 0)
ahd_pci_split_intr(ahd, intstat);
if ((intstat & PCIINT) == 0)
return 0;
printf("%s: PCI error Interrupt\n", ahd_name(ahd));
saved_modes = ahd_save_modes(ahd);
ahd_dump_card_state(ahd);
ahd_set_modes(ahd, AHD_MODE_CFG, AHD_MODE_CFG);
for (i = 0, reg = DF0PCISTAT; i < 8; i++, reg++) {
if (i == 5)
continue;
pci_status[i] = ahd_inb(ahd, reg);
/* Clear latched errors. So our interrupt deasserts. */
ahd_outb(ahd, reg, pci_status[i]);
}
for (i = 0; i < 8; i++) {
u_int bit;
if (i == 5)
continue;
for (bit = 0; bit < 8; bit++) {
if ((pci_status[i] & (0x1 << bit)) != 0) {
static const char *s;
s = pci_status_strings[bit];
if (i == 7/*TARG*/ && bit == 3)
s = "%s: Signaled Target Abort\n";
printf(s, ahd_name(ahd), pci_status_source[i]);
}
}
}
pci_status1 = pci_conf_read(bd->pc, bd->tag, PCI_COMMAND_STATUS_REG);
pci_conf_write(bd->pc, bd->tag, PCI_COMMAND_STATUS_REG , pci_status1);
ahd_restore_modes(ahd, saved_modes);
ahd_outb(ahd, CLRINT, CLRPCIINT);
ahd_unpause(ahd);
return 1;
}
static void
ahd_pci_intr(struct ahd_softc *ahd)
{
uint8_t pci_status[8];
ahd_mode_state saved_modes;
u_int pci_status1;
u_int intstat;
u_int i;
u_int reg;
intstat = ahd_inb(ahd, INTSTAT);
if ((intstat & SPLTINT) != 0)
ahd_pci_split_intr(ahd, intstat);
if ((intstat & PCIINT) == 0)
return;
printf("%s: PCI error Interrupt\n", ahd_name(ahd));
saved_modes = ahd_save_modes(ahd);
ahd_dump_card_state(ahd);
ahd_set_modes(ahd, AHD_MODE_CFG, AHD_MODE_CFG);
for (i = 0, reg = DF0PCISTAT; i < 8; i++, reg++) {
if (i == 5)
continue;
pci_status[i] = ahd_inb(ahd, reg);
ahd_outb(ahd, reg, pci_status[i]);
}
for (i = 0; i < 8; i++) {
u_int bit;
if (i == 5)
continue;
for (bit = 0; bit < 8; bit++) {
if ((pci_status[i] & (0x1 << bit)) != 0) {
static const char *s;
s = pci_status_strings[bit];
if (i == 7 && bit == 3)
s = "%s: Signaled Target Abort\n";
printf(s, ahd_name(ahd), pci_status_source[i]);
}
}
}
pci_status1 = ahd_pci_read_config(ahd->dev_softc,
PCIR_STATUS + 1, 1);
ahd_pci_write_config(ahd->dev_softc, PCIR_STATUS + 1,
pci_status1, 1);
ahd_restore_modes(ahd, saved_modes);
ahd_outb(ahd, CLRINT, CLRPCIINT);
ahd_unpause(ahd);
}
static int
ahd_proc_write_seeprom(struct ahd_softc *ahd, char *buffer, int length)
{
ahd_mode_state saved_modes;
int have_seeprom;
u_long s;
int paused;
int written;
/* Default to failure. */
written = -EINVAL;
ahd_lock(ahd, &s);
paused = ahd_is_paused(ahd);
if (!paused)
ahd_pause(ahd);
saved_modes = ahd_save_modes(ahd);
ahd_set_modes(ahd, AHD_MODE_SCSI, AHD_MODE_SCSI);
if (length != sizeof(struct seeprom_config)) {
printf("ahd_proc_write_seeprom: incorrect buffer size\n");
goto done;
}
have_seeprom = ahd_verify_cksum((struct seeprom_config*)buffer);
if (have_seeprom == 0) {
printf("ahd_proc_write_seeprom: cksum verification failed\n");
goto done;
}
have_seeprom = ahd_acquire_seeprom(ahd);
if (!have_seeprom) {
printf("ahd_proc_write_seeprom: No Serial EEPROM\n");
goto done;
} else {
u_int start_addr;
if (ahd->seep_config == NULL) {
ahd->seep_config = malloc(sizeof(*ahd->seep_config),
M_DEVBUF, M_NOWAIT);
if (ahd->seep_config == NULL) {
printf("aic79xx: Unable to allocate serial "
"eeprom buffer. Write failing\n");
goto done;
}
}
printf("aic79xx: Writing Serial EEPROM\n");
start_addr = 32 * (ahd->channel - 'A');
ahd_write_seeprom(ahd, (u_int16_t *)buffer, start_addr,
sizeof(struct seeprom_config)/2);
ahd_read_seeprom(ahd, (uint16_t *)ahd->seep_config,
start_addr, sizeof(struct seeprom_config)/2,
/*ByteStream*/FALSE);
ahd_release_seeprom(ahd);
written = length;
}
done:
ahd_restore_modes(ahd, saved_modes);
if (!paused)
ahd_unpause(ahd);
ahd_unlock(ahd, &s);
return (written);
}
static void
ahd_pci_split_intr(struct ahd_softc *ahd, u_int intstat)
{
uint8_t split_status[4];
uint8_t split_status1[4];
uint8_t sg_split_status[2];
uint8_t sg_split_status1[2];
ahd_mode_state saved_modes;
u_int i;
uint16_t pcix_status;
/*
* Check for splits in all modes. Modes 0 and 1
* additionally have SG engine splits to look at.
*/
pcix_status = ahd_pci_read_config(ahd->dev_softc, PCIXR_STATUS,
/*bytes*/2);
printf("%s: PCI Split Interrupt - PCI-X status = 0x%x\n",
ahd_name(ahd), pcix_status);
saved_modes = ahd_save_modes(ahd);
for (i = 0; i < 4; i++) {
ahd_set_modes(ahd, i, i);
split_status[i] = ahd_inb(ahd, DCHSPLTSTAT0);
split_status1[i] = ahd_inb(ahd, DCHSPLTSTAT1);
/* Clear latched errors. So our interrupt deasserts. */
ahd_outb(ahd, DCHSPLTSTAT0, split_status[i]);
ahd_outb(ahd, DCHSPLTSTAT1, split_status1[i]);
if (i > 1)
continue;
sg_split_status[i] = ahd_inb(ahd, SGSPLTSTAT0);
sg_split_status1[i] = ahd_inb(ahd, SGSPLTSTAT1);
/* Clear latched errors. So our interrupt deasserts. */
ahd_outb(ahd, SGSPLTSTAT0, sg_split_status[i]);
ahd_outb(ahd, SGSPLTSTAT1, sg_split_status1[i]);
}
for (i = 0; i < 4; i++) {
u_int bit;
for (bit = 0; bit < 8; bit++) {
if ((split_status[i] & (0x1 << bit)) != 0) {
static const char *s;
s = split_status_strings[bit];
printf(s, ahd_name(ahd),
split_status_source[i]);
}
if (i > 1)
continue;
if ((sg_split_status[i] & (0x1 << bit)) != 0) {
static const char *s;
s = split_status_strings[bit];
printf(s, ahd_name(ahd), "SG");
}
}
}
/*
* Clear PCI-X status bits.
*/
ahd_pci_write_config(ahd->dev_softc, PCIXR_STATUS,
pcix_status, /*bytes*/2);
ahd_outb(ahd, CLRINT, CLRSPLTINT);
ahd_restore_modes(ahd, saved_modes);
}
static void
ahd_pci_split_intr(struct ahd_softc *ahd, u_int intstat)
{
uint8_t split_status[4];
uint8_t split_status1[4];
uint8_t sg_split_status[2];
uint8_t sg_split_status1[2];
ahd_mode_state saved_modes;
u_int i;
uint16_t pcix_status;
pcix_status = ahd_pci_read_config(ahd->dev_softc, PCIXR_STATUS,
2);
printf("%s: PCI Split Interrupt - PCI-X status = 0x%x\n",
ahd_name(ahd), pcix_status);
saved_modes = ahd_save_modes(ahd);
for (i = 0; i < 4; i++) {
ahd_set_modes(ahd, i, i);
split_status[i] = ahd_inb(ahd, DCHSPLTSTAT0);
split_status1[i] = ahd_inb(ahd, DCHSPLTSTAT1);
ahd_outb(ahd, DCHSPLTSTAT0, split_status[i]);
ahd_outb(ahd, DCHSPLTSTAT1, split_status1[i]);
if (i > 1)
continue;
sg_split_status[i] = ahd_inb(ahd, SGSPLTSTAT0);
sg_split_status1[i] = ahd_inb(ahd, SGSPLTSTAT1);
ahd_outb(ahd, SGSPLTSTAT0, sg_split_status[i]);
ahd_outb(ahd, SGSPLTSTAT1, sg_split_status1[i]);
}
for (i = 0; i < 4; i++) {
u_int bit;
for (bit = 0; bit < 8; bit++) {
if ((split_status[i] & (0x1 << bit)) != 0) {
static const char *s;
s = split_status_strings[bit];
printf(s, ahd_name(ahd),
split_status_source[i]);
}
if (i > 1)
continue;
if ((sg_split_status[i] & (0x1 << bit)) != 0) {
static const char *s;
s = split_status_strings[bit];
printf(s, ahd_name(ahd), "SG");
}
}
}
ahd_pci_write_config(ahd->dev_softc, PCIXR_STATUS,
pcix_status, 2);
ahd_outb(ahd, CLRINT, CLRSPLTINT);
ahd_restore_modes(ahd, saved_modes);
}