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);
}