Ejemplo n.º 1
0
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;
}
Ejemplo n.º 2
0
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);
}