static void
mpt_set_options(struct mpt_softc *mpt)
{
int bitmap;
bitmap = 0;
if (kgetenv_int("mpt_disable", &bitmap)) {
if (bitmap & (1 << mpt->unit)) {
mpt->disabled = 1;
}
}
bitmap = 0;
if (kgetenv_int("mpt_debug", &bitmap)) {
if (bitmap & (1 << mpt->unit)) {
mpt->verbose = MPT_PRT_DEBUG;
}
}
bitmap = 0;
if (kgetenv_int("mpt_debug1", &bitmap)) {
if (bitmap & (1 << mpt->unit)) {
mpt->verbose = MPT_PRT_DEBUG1;
}
}
bitmap = 0;
if (kgetenv_int("mpt_debug2", &bitmap)) {
if (bitmap & (1 << mpt->unit)) {
mpt->verbose = MPT_PRT_DEBUG2;
}
}
bitmap = 0;
if (kgetenv_int("mpt_debug3", &bitmap)) {
if (bitmap & (1 << mpt->unit)) {
mpt->verbose = MPT_PRT_DEBUG3;
}
}
mpt->cfg_role = MPT_ROLE_DEFAULT;
bitmap = 0;
if (kgetenv_int("mpt_nil_role", &bitmap)) {
if (bitmap & (1 << mpt->unit)) {
mpt->cfg_role = 0;
}
mpt->do_cfg_role = 1;
}
bitmap = 0;
if (kgetenv_int("mpt_tgt_role", &bitmap)) {
if (bitmap & (1 << mpt->unit)) {
mpt->cfg_role |= MPT_ROLE_TARGET;
}
mpt->do_cfg_role = 1;
}
bitmap = 0;
if (kgetenv_int("mpt_ini_role", &bitmap)) {
if (bitmap & (1 << mpt->unit)) {
mpt->cfg_role |= MPT_ROLE_INITIATOR;
}
mpt->do_cfg_role = 1;
}
mpt->msi_enable = 0;
}
static int
ioapic_abi_gsi_cpuid(int irq, int gsi)
{
char envpath[32];
int cpuid = -1;
KKASSERT(gsi >= 0);
if (irq == 0 || gsi == 0) {
KKASSERT(irq >= 0);
if (bootverbose) {
kprintf("IOAPIC: irq %d, gsi %d -> cpu0 (0)\n",
irq, gsi);
}
return 0;
}
if (irq >= 0 && irq == acpi_sci_irqno()) {
if (bootverbose) {
kprintf("IOAPIC: irq %d, gsi %d -> cpu0 (sci)\n",
irq, gsi);
}
return 0;
}
ksnprintf(envpath, sizeof(envpath), "hw.ioapic.gsi.%d.cpu", gsi);
kgetenv_int(envpath, &cpuid);
if (cpuid < 0) {
if (!ioapic_abi_gsi_balance) {
if (irq >= 0 && bootverbose) {
kprintf("IOAPIC: irq %d, gsi %d -> cpu0 "
"(fixed)\n", irq, gsi);
}
return 0;
}
cpuid = gsi % ncpus;
if (irq >= 0 && bootverbose) {
kprintf("IOAPIC: irq %d, gsi %d -> cpu%d (auto)\n",
irq, gsi, cpuid);
}
} else if (cpuid >= ncpus) {
cpuid = ncpus - 1;
if (irq >= 0 && bootverbose) {
kprintf("IOAPIC: irq %d, gsi %d -> cpu%d (fixup)\n",
irq, gsi, cpuid);
}
} else {
if (irq >= 0 && bootverbose) {
kprintf("IOAPIC: irq %d, gsi %d -> cpu%d (user)\n",
irq, gsi, cpuid);
}
}
return cpuid;
}
static void
madt_lapic_enum_register(void)
{
int prio;
prio = LAPIC_ENUM_PRIO_MADT;
kgetenv_int("hw.madt_lapic_prio", &prio);
madt_lapic_enumerator.lapic_prio = prio;
lapic_enumerator_register(&madt_lapic_enumerator);
}
static void
ioapic_abi_initmap(void)
{
int cpu;
kgetenv_int("hw.ioapic.gsi.balance", &ioapic_abi_gsi_balance);
kgetenv_int("hw.ioapic.msi_start", &ioapic_abi_msi_start);
ioapic_abi_msi_start &= ~0x1f; /* MUST be 32 aligned */
/*
* NOTE: ncpus is not ready yet
*/
for (cpu = 0; cpu < MAXCPU; ++cpu) {
int i;
for (i = 0; i < IOAPIC_HWI_VECTORS; ++i) {
ioapic_irqmaps[cpu][i].im_gsi = -1;
ioapic_irqmaps[cpu][i].im_msi_base = -1;
}
ioapic_irqmaps[cpu][IOAPIC_HWI_SYSCALL].im_type =
IOAPIC_IMT_SYSCALL;
}
}
static void
fadt_probe(void)
{
struct acpi_fadt *fadt;
vm_paddr_t fadt_paddr;
enum intr_trigger trig;
enum intr_polarity pola;
int enabled = 1;
char *env;
fadt_paddr = sdt_search(ACPI_FADT_SIG);
if (fadt_paddr == 0) {
kprintf("fadt_probe: can't locate FADT\n");
return;
}
fadt = sdt_sdth_map(fadt_paddr);
KKASSERT(fadt != NULL);
/*
* FADT in ACPI specification 1.0 - 4.0
*/
if (fadt->fadt_hdr.sdth_rev < 1 || fadt->fadt_hdr.sdth_rev > 4) {
kprintf("fadt_probe: unsupported FADT revision %d\n",
fadt->fadt_hdr.sdth_rev);
goto back;
}
if (fadt->fadt_hdr.sdth_len < sizeof(*fadt)) {
kprintf("fadt_probe: invalid FADT length %u\n",
fadt->fadt_hdr.sdth_len);
goto back;
}
kgetenv_int("hw.acpi.sci.enabled", &enabled);
if (!enabled)
goto back;
acpi_sci_irq = fadt->fadt_sci_int;
env = kgetenv("hw.acpi.sci.trigger");
if (env == NULL)
goto back;
trig = INTR_TRIGGER_CONFORM;
if (strcmp(env, "edge") == 0)
trig = INTR_TRIGGER_EDGE;
else if (strcmp(env, "level") == 0)
trig = INTR_TRIGGER_LEVEL;
kfreeenv(env);
if (trig == INTR_TRIGGER_CONFORM)
goto back;
env = kgetenv("hw.acpi.sci.polarity");
if (env == NULL)
goto back;
pola = INTR_POLARITY_CONFORM;
if (strcmp(env, "high") == 0)
pola = INTR_POLARITY_HIGH;
else if (strcmp(env, "low") == 0)
pola = INTR_POLARITY_LOW;
kfreeenv(env);
if (pola == INTR_POLARITY_CONFORM)
goto back;
acpi_sci_trig = trig;
acpi_sci_pola = pola;
back:
if (acpi_sci_irq >= 0) {
FADT_VPRINTF("SCI irq %d, %s/%s\n", acpi_sci_irq,
intr_str_trigger(acpi_sci_trig),
intr_str_polarity(acpi_sci_pola));
} else {
FADT_VPRINTF("SCI is disabled\n");
}
sdt_sdth_unmap(&fadt->fadt_hdr);
}
static void
fadt_probe(void)
{
ACPI_TABLE_FADT *fadt;
vm_paddr_t fadt_paddr;
enum intr_trigger trig;
enum intr_polarity pola;
int enabled = 1;
char *env;
fadt_paddr = sdt_search(ACPI_SIG_FADT);
if (fadt_paddr == 0) {
kprintf("fadt_probe: can't locate FADT\n");
return;
}
fadt = sdt_sdth_map(fadt_paddr);
KKASSERT(fadt != NULL);
/*
* FADT in ACPI specification 1.0 - 6.0
*/
if (fadt->Header.Revision < 1 || fadt->Header.Revision > 6) {
kprintf("fadt_probe: unknown FADT revision %d\n",
fadt->Header.Revision);
}
if (fadt->Header.Length < ACPI_FADT_V1_SIZE) {
kprintf("fadt_probe: invalid FADT length %u (< %u)\n",
fadt->Header.Length, ACPI_FADT_V1_SIZE);
goto back;
}
kgetenv_int("hw.acpi.sci.enabled", &enabled);
if (!enabled)
goto back;
acpi_sci_irq = fadt->SciInterrupt;
env = kgetenv("hw.acpi.sci.trigger");
if (env == NULL)
goto back;
trig = INTR_TRIGGER_CONFORM;
if (strcmp(env, "edge") == 0)
trig = INTR_TRIGGER_EDGE;
else if (strcmp(env, "level") == 0)
trig = INTR_TRIGGER_LEVEL;
kfreeenv(env);
if (trig == INTR_TRIGGER_CONFORM)
goto back;
env = kgetenv("hw.acpi.sci.polarity");
if (env == NULL)
goto back;
pola = INTR_POLARITY_CONFORM;
if (strcmp(env, "high") == 0)
pola = INTR_POLARITY_HIGH;
else if (strcmp(env, "low") == 0)
pola = INTR_POLARITY_LOW;
kfreeenv(env);
if (pola == INTR_POLARITY_CONFORM)
goto back;
acpi_sci_trig = trig;
acpi_sci_pola = pola;
back:
if (acpi_sci_irq >= 0) {
FADT_VPRINTF("SCI irq %d, %s/%s\n", acpi_sci_irq,
intr_str_trigger(acpi_sci_trig),
intr_str_polarity(acpi_sci_pola));
} else {
FADT_VPRINTF("SCI is disabled\n");
}
sdt_sdth_unmap(&fadt->Header);
}