osl.c revision aa2aa9a662539940ddbc8610da5a3a874ebd7503
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright (c) 2009, Intel Corporation.
* All rights reserved.
*/
/*
* ACPI CA OSL for Solaris x86
*/
#include <sys/types.h>
#include <sys/kmem.h>
#include <sys/psm.h>
#include <sys/pci_cfgspace.h>
#include <sys/apic.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>
#include <sys/sunndi.h>
#include <sys/pci.h>
#include <sys/kobj.h>
#include <sys/taskq.h>
#include <sys/strlog.h>
#include <sys/note.h>
#include <sys/acpi/acpi.h>
#include <sys/acpica.h>
#define MAX_DAT_FILE_SIZE (64*1024)
/* local functions */
static int CompressEisaID(char *np);
static void scan_d2a_map(void);
static void scan_d2a_subtree(dev_info_t *dip, ACPI_HANDLE acpiobj, int bus);
static int acpica_query_bbn_problem(void);
static int acpica_find_pcibus(int busno, ACPI_HANDLE *rh);
static int acpica_eval_hid(ACPI_HANDLE dev, char *method, int *rint);
static ACPI_STATUS acpica_set_devinfo(ACPI_HANDLE, dev_info_t *);
static ACPI_STATUS acpica_unset_devinfo(ACPI_HANDLE);
static void acpica_devinfo_handler(ACPI_HANDLE, UINT32, void *);
/*
* Event queue vars
*/
int acpica_eventq_init = 0;
ddi_taskq_t *osl_eventq[OSL_EC_BURST_HANDLER+1];
/*
* Priorities relative to minclsyspri that each taskq
* run at; OSL_NOTIFY_HANDLER needs to run at a higher
* priority than OSL_GPE_HANDLER. There's an implicit
* assumption that no priority here results in exceeding
* maxclsyspri.
* Note: these initializations need to match the order of
* ACPI_EXECUTE_TYPE.
*/
int osl_eventq_pri_delta[OSL_EC_BURST_HANDLER+1] = {
0, /* OSL_GLOBAL_LOCK_HANDLER */
2, /* OSL_NOTIFY_HANDLER */
0, /* OSL_GPE_HANDLER */
0, /* OSL_DEBUGGER_THREAD */
0, /* OSL_EC_POLL_HANDLER */
0 /* OSL_EC_BURST_HANDLER */
};
/*
* Note, if you change this path, you need to update
* /boot/grub/filelist.ramdisk and pkg SUNWckr/prototype_i386
*/
static char *acpi_table_path = "/boot/acpi/tables/";
/* non-zero while scan_d2a_map() is working */
static int scanning_d2a_map = 0;
static int d2a_done = 0;
/* features supported by ACPICA and ACPI device configuration. */
uint64_t acpica_core_features = 0;
static uint64_t acpica_devcfg_features = 0;
/* set by acpi_poweroff() in PSMs and appm_ioctl() in acpippm for S3 */
int acpica_use_safe_delay = 0;
/* CPU mapping data */
struct cpu_map_item {
processorid_t cpu_id;
UINT32 proc_id;
UINT32 apic_id;
ACPI_HANDLE obj;
};
static kmutex_t cpu_map_lock;
static struct cpu_map_item **cpu_map = NULL;
static int cpu_map_count_max = 0;
static int cpu_map_count = 0;
static int cpu_map_built = 0;
static int acpi_has_broken_bbn = -1;
/* buffer for AcpiOsVprintf() */
#define ACPI_OSL_PR_BUFLEN 1024
static char *acpi_osl_pr_buffer = NULL;
static int acpi_osl_pr_buflen;
#define D2A_DEBUG
/*
*
*/
static void
discard_event_queues()
{
int i;
/*
* destroy event queues
*/
for (i = OSL_GLOBAL_LOCK_HANDLER; i <= OSL_EC_BURST_HANDLER; i++) {
if (osl_eventq[i])
ddi_taskq_destroy(osl_eventq[i]);
}
}
/*
*
*/
static ACPI_STATUS
init_event_queues()
{
char namebuf[32];
int i, error = 0;
/*
* Initialize event queues
*/
/* Always allocate only 1 thread per queue to force FIFO execution */
for (i = OSL_GLOBAL_LOCK_HANDLER; i <= OSL_EC_BURST_HANDLER; i++) {
snprintf(namebuf, 32, "ACPI%d", i);
osl_eventq[i] = ddi_taskq_create(NULL, namebuf, 1,
osl_eventq_pri_delta[i] + minclsyspri, 0);
if (osl_eventq[i] == NULL)
error++;
}
if (error != 0) {
discard_event_queues();
#ifdef DEBUG
cmn_err(CE_WARN, "!acpica: could not initialize event queues");
#endif
return (AE_ERROR);
}
acpica_eventq_init = 1;
return (AE_OK);
}
/*
* One-time initialization of OSL layer
*/
ACPI_STATUS
AcpiOsInitialize(void)
{
/*
* Allocate buffer for AcpiOsVprintf() here to avoid
* kmem_alloc()/kmem_free() at high PIL
*/
acpi_osl_pr_buffer = kmem_alloc(ACPI_OSL_PR_BUFLEN, KM_SLEEP);
if (acpi_osl_pr_buffer != NULL)
acpi_osl_pr_buflen = ACPI_OSL_PR_BUFLEN;
return (AE_OK);
}
/*
* One-time shut-down of OSL layer
*/
ACPI_STATUS
AcpiOsTerminate(void)
{
if (acpi_osl_pr_buffer != NULL)
kmem_free(acpi_osl_pr_buffer, acpi_osl_pr_buflen);
discard_event_queues();
return (AE_OK);
}
ACPI_PHYSICAL_ADDRESS
AcpiOsGetRootPointer()
{
ACPI_PHYSICAL_ADDRESS Address;
/*
* For EFI firmware, the root pointer is defined in EFI systab.
* The boot code process the table and put the physical address
* in the acpi-root-tab property.
*/
Address = ddi_prop_get_int(DDI_DEV_T_ANY, ddi_root_node(),
DDI_PROP_DONTPASS, "acpi-root-tab", NULL);
if ((Address == NULL) && ACPI_FAILURE(AcpiFindRootPointer(&Address)))
Address = NULL;
return (Address);
}
/*ARGSUSED*/
ACPI_STATUS
AcpiOsPredefinedOverride(const ACPI_PREDEFINED_NAMES *InitVal,
ACPI_STRING *NewVal)
{
*NewVal = 0;
return (AE_OK);
}
static void
acpica_strncpy(char *dest, const char *src, int len)
{
/*LINTED*/
while ((*dest++ = *src++) && (--len > 0))
/* copy the string */;
*dest = '\0';
}
ACPI_STATUS
AcpiOsTableOverride(ACPI_TABLE_HEADER *ExistingTable,
ACPI_TABLE_HEADER **NewTable)
{
char signature[5];
char oemid[7];
char oemtableid[9];
struct _buf *file;
char *buf1, *buf2;
int count;
char acpi_table_loc[128];
acpica_strncpy(signature, ExistingTable->Signature, 4);
acpica_strncpy(oemid, ExistingTable->OemId, 6);
acpica_strncpy(oemtableid, ExistingTable->OemTableId, 8);
#ifdef DEBUG
cmn_err(CE_NOTE, "!acpica: table [%s] v%d OEM ID [%s]"
" OEM TABLE ID [%s] OEM rev %x",
signature, ExistingTable->Revision, oemid, oemtableid,
ExistingTable->OemRevision);
#endif
/* File name format is "signature_oemid_oemtableid.dat" */
(void) strcpy(acpi_table_loc, acpi_table_path);
(void) strcat(acpi_table_loc, signature); /* for example, DSDT */
(void) strcat(acpi_table_loc, "_");
(void) strcat(acpi_table_loc, oemid); /* for example, IntelR */
(void) strcat(acpi_table_loc, "_");
(void) strcat(acpi_table_loc, oemtableid); /* for example, AWRDACPI */
(void) strcat(acpi_table_loc, ".dat");
file = kobj_open_file(acpi_table_loc);
if (file == (struct _buf *)-1) {
*NewTable = 0;
return (AE_OK);
} else {
buf1 = (char *)kmem_alloc(MAX_DAT_FILE_SIZE, KM_SLEEP);
count = kobj_read_file(file, buf1, MAX_DAT_FILE_SIZE-1, 0);
if (count >= MAX_DAT_FILE_SIZE) {
cmn_err(CE_WARN, "!acpica: table %s file size too big",
acpi_table_loc);
*NewTable = 0;
} else {
buf2 = (char *)kmem_alloc(count, KM_SLEEP);
(void) memcpy(buf2, buf1, count);
*NewTable = (ACPI_TABLE_HEADER *)buf2;
cmn_err(CE_NOTE, "!acpica: replacing table: %s",
acpi_table_loc);
}
}
kobj_close_file(file);
kmem_free(buf1, MAX_DAT_FILE_SIZE);
return (AE_OK);
}
/*
* ACPI semaphore implementation
*/
typedef struct {
kmutex_t mutex;
kcondvar_t cv;
uint32_t available;
uint32_t initial;
uint32_t maximum;
} acpi_sema_t;
/*
*
*/
void
acpi_sema_init(acpi_sema_t *sp, unsigned max, unsigned count)
{
mutex_init(&sp->mutex, NULL, MUTEX_DRIVER, NULL);
cv_init(&sp->cv, NULL, CV_DRIVER, NULL);
/* no need to enter mutex here at creation */
sp->available = count;
sp->initial = count;
sp->maximum = max;
}
/*
*
*/
void
acpi_sema_destroy(acpi_sema_t *sp)
{
cv_destroy(&sp->cv);
mutex_destroy(&sp->mutex);
}
/*
*
*/
ACPI_STATUS
acpi_sema_p(acpi_sema_t *sp, unsigned count, uint16_t wait_time)
{
ACPI_STATUS rv = AE_OK;
clock_t deadline;
mutex_enter(&sp->mutex);
if (sp->available >= count) {
/*
* Enough units available, no blocking
*/
sp->available -= count;
mutex_exit(&sp->mutex);
return (rv);
} else if (wait_time == 0) {
/*
* Not enough units available and timeout
* specifies no blocking
*/
rv = AE_TIME;
mutex_exit(&sp->mutex);
return (rv);
}
/*
* Not enough units available and timeout specifies waiting
*/
if (wait_time != ACPI_WAIT_FOREVER)
deadline = ddi_get_lbolt() +
(clock_t)drv_usectohz(wait_time * 1000);
do {
if (wait_time == ACPI_WAIT_FOREVER)
cv_wait(&sp->cv, &sp->mutex);
else if (cv_timedwait(&sp->cv, &sp->mutex, deadline) < 0) {
rv = AE_TIME;
break;
}
} while (sp->available < count);
/* if we dropped out of the wait with AE_OK, we got the units */
if (rv == AE_OK)
sp->available -= count;
mutex_exit(&sp->mutex);
return (rv);
}
/*
*
*/
void
acpi_sema_v(acpi_sema_t *sp, unsigned count)
{
mutex_enter(&sp->mutex);
sp->available += count;
cv_broadcast(&sp->cv);
mutex_exit(&sp->mutex);
}
ACPI_STATUS
AcpiOsCreateSemaphore(UINT32 MaxUnits, UINT32 InitialUnits,
ACPI_HANDLE *OutHandle)
{
acpi_sema_t *sp;
if ((OutHandle == NULL) || (InitialUnits > MaxUnits))
return (AE_BAD_PARAMETER);
sp = (acpi_sema_t *)kmem_alloc(sizeof (acpi_sema_t), KM_SLEEP);
acpi_sema_init(sp, MaxUnits, InitialUnits);
*OutHandle = (ACPI_HANDLE)sp;
return (AE_OK);
}
ACPI_STATUS
AcpiOsDeleteSemaphore(ACPI_HANDLE Handle)
{
if (Handle == NULL)
return (AE_BAD_PARAMETER);
acpi_sema_destroy((acpi_sema_t *)Handle);
kmem_free((void *)Handle, sizeof (acpi_sema_t));
return (AE_OK);
}
ACPI_STATUS
AcpiOsWaitSemaphore(ACPI_HANDLE Handle, UINT32 Units, UINT16 Timeout)
{
if ((Handle == NULL) || (Units < 1))
return (AE_BAD_PARAMETER);
return (acpi_sema_p((acpi_sema_t *)Handle, Units, Timeout));
}
ACPI_STATUS
AcpiOsSignalSemaphore(ACPI_HANDLE Handle, UINT32 Units)
{
if ((Handle == NULL) || (Units < 1))
return (AE_BAD_PARAMETER);
acpi_sema_v((acpi_sema_t *)Handle, Units);
return (AE_OK);
}
ACPI_STATUS
AcpiOsCreateLock(ACPI_HANDLE *OutHandle)
{
kmutex_t *mp;
if (OutHandle == NULL)
return (AE_BAD_PARAMETER);
mp = (kmutex_t *)kmem_alloc(sizeof (kmutex_t), KM_SLEEP);
mutex_init(mp, NULL, MUTEX_DRIVER, NULL);
*OutHandle = (ACPI_HANDLE)mp;
return (AE_OK);
}
void
AcpiOsDeleteLock(ACPI_HANDLE Handle)
{
if (Handle == NULL)
return;
mutex_destroy((kmutex_t *)Handle);
kmem_free((void *)Handle, sizeof (kmutex_t));
}
ACPI_CPU_FLAGS
AcpiOsAcquireLock(ACPI_HANDLE Handle)
{
if (Handle == NULL)
return (AE_BAD_PARAMETER);
if (curthread == CPU->cpu_idle_thread) {
while (!mutex_tryenter((kmutex_t *)Handle))
/* spin */;
} else
mutex_enter((kmutex_t *)Handle);
return (AE_OK);
}
void
AcpiOsReleaseLock(ACPI_HANDLE Handle, ACPI_CPU_FLAGS Flags)
{
_NOTE(ARGUNUSED(Flags))
mutex_exit((kmutex_t *)Handle);
}
void *
AcpiOsAllocate(ACPI_SIZE Size)
{
ACPI_SIZE *tmp_ptr;
Size += sizeof (Size);
tmp_ptr = (ACPI_SIZE *)kmem_zalloc(Size, KM_SLEEP);
*tmp_ptr++ = Size;
return (tmp_ptr);
}
void
AcpiOsFree(void *Memory)
{
ACPI_SIZE size, *tmp_ptr;
tmp_ptr = (ACPI_SIZE *)Memory;
tmp_ptr -= 1;
size = *tmp_ptr;
kmem_free(tmp_ptr, size);
}
static int napics_found; /* number of ioapic addresses in array */
static ACPI_PHYSICAL_ADDRESS ioapic_paddr[MAX_IO_APIC];
static ACPI_TABLE_MADT *acpi_mapic_dtp = NULL;
static void *dummy_ioapicadr;
void
acpica_find_ioapics(void)
{
int madt_seen, madt_size;
ACPI_SUBTABLE_HEADER *ap;
ACPI_MADT_IO_APIC *mia;
if (acpi_mapic_dtp != NULL)
return; /* already parsed table */
if (AcpiGetTable(ACPI_SIG_MADT, 1,
(ACPI_TABLE_HEADER **) &acpi_mapic_dtp) != AE_OK)
return;
napics_found = 0;
/*
* Search the MADT for ioapics
*/
ap = (ACPI_SUBTABLE_HEADER *) (acpi_mapic_dtp + 1);
madt_size = acpi_mapic_dtp->Header.Length;
madt_seen = sizeof (*acpi_mapic_dtp);
while (madt_seen < madt_size) {
switch (ap->Type) {
case ACPI_MADT_TYPE_IO_APIC:
mia = (ACPI_MADT_IO_APIC *) ap;
if (napics_found < MAX_IO_APIC) {
ioapic_paddr[napics_found++] =
(ACPI_PHYSICAL_ADDRESS)
(mia->Address & PAGEMASK);
}
break;
default:
break;
}
/* advance to next entry */
madt_seen += ap->Length;
ap = (ACPI_SUBTABLE_HEADER *)(((char *)ap) + ap->Length);
}
if (dummy_ioapicadr == NULL)
dummy_ioapicadr = kmem_zalloc(PAGESIZE, KM_SLEEP);
}
void *
AcpiOsMapMemory(ACPI_PHYSICAL_ADDRESS PhysicalAddress, ACPI_SIZE Size)
{
int i;
/*
* If the iopaic address table is populated, check if trying
* to access an ioapic. Instead, return a pointer to a dummy ioapic.
*/
for (i = 0; i < napics_found; i++) {
if ((PhysicalAddress & PAGEMASK) == ioapic_paddr[i])
return (dummy_ioapicadr);
}
/* FUTUREWORK: test PhysicalAddress for > 32 bits */
return (psm_map_new((paddr_t)PhysicalAddress,
(size_t)Size, PSM_PROT_WRITE | PSM_PROT_READ));
}
void
AcpiOsUnmapMemory(void *LogicalAddress, ACPI_SIZE Size)
{
/*
* Check if trying to unmap dummy ioapic address.
*/
if (LogicalAddress == dummy_ioapicadr)
return;
psm_unmap((caddr_t)LogicalAddress, (size_t)Size);
}
/*ARGSUSED*/
ACPI_STATUS
AcpiOsGetPhysicalAddress(void *LogicalAddress,
ACPI_PHYSICAL_ADDRESS *PhysicalAddress)
{
/* UNIMPLEMENTED: not invoked by ACPI CA code */
return (AE_NOT_IMPLEMENTED);
}
ACPI_OSD_HANDLER acpi_isr;
void *acpi_isr_context;
uint_t
acpi_wrapper_isr(char *arg)
{
_NOTE(ARGUNUSED(arg))
int status;
status = (*acpi_isr)(acpi_isr_context);
if (status == ACPI_INTERRUPT_HANDLED) {
return (DDI_INTR_CLAIMED);
} else {
return (DDI_INTR_UNCLAIMED);
}
}
static int acpi_intr_hooked = 0;
ACPI_STATUS
AcpiOsInstallInterruptHandler(UINT32 InterruptNumber,
ACPI_OSD_HANDLER ServiceRoutine,
void *Context)
{
_NOTE(ARGUNUSED(InterruptNumber))
int retval;
int sci_vect;
iflag_t sci_flags;
acpi_isr = ServiceRoutine;
acpi_isr_context = Context;
/*
* Get SCI (adjusted for PIC/APIC mode if necessary)
*/
if (acpica_get_sci(&sci_vect, &sci_flags) != AE_OK) {
return (AE_ERROR);
}
#ifdef DEBUG
cmn_err(CE_NOTE, "!acpica: attaching SCI %d", sci_vect);
#endif
retval = add_avintr(NULL, SCI_IPL, (avfunc)acpi_wrapper_isr,
"ACPI SCI", sci_vect, NULL, NULL, NULL, NULL);
if (retval) {
acpi_intr_hooked = 1;
return (AE_OK);
} else
return (AE_BAD_PARAMETER);
}
ACPI_STATUS
AcpiOsRemoveInterruptHandler(UINT32 InterruptNumber,
ACPI_OSD_HANDLER ServiceRoutine)
{
_NOTE(ARGUNUSED(ServiceRoutine))
#ifdef DEBUG
cmn_err(CE_NOTE, "!acpica: detaching SCI %d", InterruptNumber);
#endif
if (acpi_intr_hooked) {
rem_avintr(NULL, LOCK_LEVEL - 1, (avfunc)acpi_wrapper_isr,
InterruptNumber);
acpi_intr_hooked = 0;
}
return (AE_OK);
}
ACPI_THREAD_ID
AcpiOsGetThreadId(void)
{
/*
* ACPI CA doesn't care what actual value is returned as long
* as it is non-zero and unique to each existing thread.
* ACPI CA assumes that thread ID is castable to a pointer,
* so we use the current thread pointer.
*/
return (curthread);
}
/*
*
*/
ACPI_STATUS
AcpiOsExecute(ACPI_EXECUTE_TYPE Type, ACPI_OSD_EXEC_CALLBACK Function,
void *Context)
{
if (!acpica_eventq_init) {
/*
* Create taskqs for event handling
*/
if (init_event_queues() != AE_OK)
return (AE_ERROR);
}
if (ddi_taskq_dispatch(osl_eventq[Type], Function, Context,
DDI_NOSLEEP) == DDI_FAILURE) {
#ifdef DEBUG
cmn_err(CE_WARN, "!acpica: unable to dispatch event");
#endif
return (AE_ERROR);
}
return (AE_OK);
}
void
AcpiOsSleep(ACPI_INTEGER Milliseconds)
{
/*
* During kernel startup, before the first tick interrupt
* has taken place, we can't call delay; very late in
* kernel shutdown or suspend/resume, clock interrupts
* are blocked, so delay doesn't work then either.
* So we busy wait if lbolt == 0 (kernel startup)
* or if acpica_use_safe_delay has been set to a
* non-zero value.
*/
if ((ddi_get_lbolt() == 0) || acpica_use_safe_delay)
drv_usecwait(Milliseconds * 1000);
else
delay(drv_usectohz(Milliseconds * 1000));
}
void
AcpiOsStall(UINT32 Microseconds)
{
drv_usecwait(Microseconds);
}
/*
* Implementation of "Windows 2001" compatible I/O permission map
*
*/
#define OSL_IO_NONE (0)
#define OSL_IO_READ (1<<0)
#define OSL_IO_WRITE (1<<1)
#define OSL_IO_RW (OSL_IO_READ | OSL_IO_WRITE)
#define OSL_IO_TERM (1<<2)
#define OSL_IO_DEFAULT OSL_IO_RW
static struct io_perm {
ACPI_IO_ADDRESS low;
ACPI_IO_ADDRESS high;
uint8_t perm;
} osl_io_perm[] = {
{ 0xcf8, 0xd00, OSL_IO_NONE | OSL_IO_TERM }
};
/*
*
*/
static struct io_perm *
osl_io_find_perm(ACPI_IO_ADDRESS addr)
{
struct io_perm *p;
p = osl_io_perm;
while (p != NULL) {
if ((p->low <= addr) && (addr <= p->high))
break;
p = (p->perm & OSL_IO_TERM) ? NULL : p+1;
}
return (p);
}
/*
*
*/
ACPI_STATUS
AcpiOsReadPort(ACPI_IO_ADDRESS Address, UINT32 *Value, UINT32 Width)
{
struct io_perm *p;
/* verify permission */
p = osl_io_find_perm(Address);
if (p && (p->perm & OSL_IO_READ) == 0) {
cmn_err(CE_WARN, "!AcpiOsReadPort: %lx %u not permitted",
(long)Address, Width);
*Value = 0xffffffff;
return (AE_ERROR);
}
switch (Width) {
case 8:
*Value = inb(Address);
break;
case 16:
*Value = inw(Address);
break;
case 32:
*Value = inl(Address);
break;
default:
cmn_err(CE_WARN, "!AcpiOsReadPort: %lx %u failed",
(long)Address, Width);
return (AE_BAD_PARAMETER);
}
return (AE_OK);
}
ACPI_STATUS
AcpiOsWritePort(ACPI_IO_ADDRESS Address, UINT32 Value, UINT32 Width)
{
struct io_perm *p;
/* verify permission */
p = osl_io_find_perm(Address);
if (p && (p->perm & OSL_IO_WRITE) == 0) {
cmn_err(CE_WARN, "!AcpiOsWritePort: %lx %u not permitted",
(long)Address, Width);
return (AE_ERROR);
}
switch (Width) {
case 8:
outb(Address, Value);
break;
case 16:
outw(Address, Value);
break;
case 32:
outl(Address, Value);
break;
default:
cmn_err(CE_WARN, "!AcpiOsWritePort: %lx %u failed",
(long)Address, Width);
return (AE_BAD_PARAMETER);
}
return (AE_OK);
}
/*
*
*/
#define OSL_RW(ptr, val, type, rw) \
{ if (rw) *((type *)(ptr)) = *((type *) val); \
else *((type *) val) = *((type *)(ptr)); }
static void
osl_rw_memory(ACPI_PHYSICAL_ADDRESS Address, UINT32 *Value,
UINT32 Width, int write)
{
size_t maplen = Width / 8;
caddr_t ptr;
ptr = psm_map_new((paddr_t)Address, maplen,
PSM_PROT_WRITE | PSM_PROT_READ);
switch (maplen) {
case 1:
OSL_RW(ptr, Value, uint8_t, write);
break;
case 2:
OSL_RW(ptr, Value, uint16_t, write);
break;
case 4:
OSL_RW(ptr, Value, uint32_t, write);
break;
default:
cmn_err(CE_WARN, "!osl_rw_memory: invalid size %d",
Width);
break;
}
psm_unmap(ptr, maplen);
}
ACPI_STATUS
AcpiOsReadMemory(ACPI_PHYSICAL_ADDRESS Address,
UINT32 *Value, UINT32 Width)
{
osl_rw_memory(Address, Value, Width, 0);
return (AE_OK);
}
ACPI_STATUS
AcpiOsWriteMemory(ACPI_PHYSICAL_ADDRESS Address,
UINT32 Value, UINT32 Width)
{
osl_rw_memory(Address, &Value, Width, 1);
return (AE_OK);
}
ACPI_STATUS
AcpiOsReadPciConfiguration(ACPI_PCI_ID *PciId, UINT32 Register,
void *Value, UINT32 Width)
{
switch (Width) {
case 8:
*((UINT64 *)Value) = (UINT64)(*pci_getb_func)
(PciId->Bus, PciId->Device, PciId->Function, Register);
break;
case 16:
*((UINT64 *)Value) = (UINT64)(*pci_getw_func)
(PciId->Bus, PciId->Device, PciId->Function, Register);
break;
case 32:
*((UINT64 *)Value) = (UINT64)(*pci_getl_func)
(PciId->Bus, PciId->Device, PciId->Function, Register);
break;
case 64:
default:
cmn_err(CE_WARN, "!AcpiOsReadPciConfiguration: %x %u failed",
Register, Width);
return (AE_BAD_PARAMETER);
}
return (AE_OK);
}
/*
*
*/
int acpica_write_pci_config_ok = 1;
ACPI_STATUS
AcpiOsWritePciConfiguration(ACPI_PCI_ID *PciId, UINT32 Register,
ACPI_INTEGER Value, UINT32 Width)
{
if (!acpica_write_pci_config_ok) {
cmn_err(CE_NOTE, "!write to PCI cfg %x/%x/%x %x"
" %lx %d not permitted", PciId->Bus, PciId->Device,
PciId->Function, Register, (long)Value, Width);
return (AE_OK);
}
switch (Width) {
case 8:
(*pci_putb_func)(PciId->Bus, PciId->Device, PciId->Function,
Register, (uint8_t)Value);
break;
case 16:
(*pci_putw_func)(PciId->Bus, PciId->Device, PciId->Function,
Register, (uint16_t)Value);
break;
case 32:
(*pci_putl_func)(PciId->Bus, PciId->Device, PciId->Function,
Register, (uint32_t)Value);
break;
case 64:
default:
cmn_err(CE_WARN, "!AcpiOsWritePciConfiguration: %x %u failed",
Register, Width);
return (AE_BAD_PARAMETER);
}
return (AE_OK);
}
/*
* Called with ACPI_HANDLEs for both a PCI Config Space
* OpRegion and (what ACPI CA thinks is) the PCI device
* to which this ConfigSpace OpRegion belongs. Since
* ACPI CA depends on a valid _BBN object being present
* and this is not always true (one old x86 had broken _BBN),
* we go ahead and get the correct PCI bus number using the
* devinfo mapping (which compensates for broken _BBN).
*
* Default values for bus, segment, device and function are
* all 0 when ACPI CA can't figure them out.
*
* Some BIOSes implement _BBN() by reading PCI config space
* on bus #0 - which means that we'll recurse when we attempt
* to create the devinfo-to-ACPI map. If Derive is called during
* scan_d2a_map, we don't translate the bus # and return.
*
* We get the parent of the OpRegion, which must be a PCI
* node, fetch the associated devinfo node and snag the
* b/d/f from it.
*/
void
AcpiOsDerivePciId(ACPI_HANDLE rhandle, ACPI_HANDLE chandle,
ACPI_PCI_ID **PciId)
{
ACPI_HANDLE handle;
dev_info_t *dip;
int bus, device, func, devfn;
/*
* See above - avoid recursing during scanning_d2a_map.
*/
if (scanning_d2a_map)
return;
/*
* Get the OpRegion's parent
*/
if (AcpiGetParent(chandle, &handle) != AE_OK)
return;
/*
* If we've mapped the ACPI node to the devinfo
* tree, use the devinfo reg property
*/
if (acpica_get_devinfo(handle, &dip) == AE_OK) {
(void) acpica_get_bdf(dip, &bus, &device, &func);
(*PciId)->Bus = bus;
(*PciId)->Device = device;
(*PciId)->Function = func;
} else if (acpica_eval_int(handle, "_ADR", &devfn) == AE_OK) {
/* no devinfo node - just confirm the d/f */
(*PciId)->Device = (devfn >> 16) & 0xFFFF;
(*PciId)->Function = devfn & 0xFFFF;
}
}
/*ARGSUSED*/
BOOLEAN
AcpiOsReadable(void *Pointer, ACPI_SIZE Length)
{
/* Always says yes; all mapped memory assumed readable */
return (1);
}
/*ARGSUSED*/
BOOLEAN
AcpiOsWritable(void *Pointer, ACPI_SIZE Length)
{
/* Always says yes; all mapped memory assumed writable */
return (1);
}
UINT64
AcpiOsGetTimer(void)
{
/* gethrtime() returns 1nS resolution; convert to 100nS granules */
return ((gethrtime() + 50) / 100);
}
static struct AcpiOSIFeature_s {
uint64_t control_flag;
const char *feature_name;
} AcpiOSIFeatures[] = {
{ ACPI_FEATURE_OSI_MODULE, "Module Device" },
{ 0, "Processor Device" }
};
/*ARGSUSED*/
ACPI_STATUS
AcpiOsValidateInterface(char *feature)
{
int i;
ASSERT(feature != NULL);
for (i = 0; i < sizeof (AcpiOSIFeatures) / sizeof (AcpiOSIFeatures[0]);
i++) {
if (strcmp(feature, AcpiOSIFeatures[i].feature_name) != 0) {
continue;
}
/* Check whether required core features are available. */
if (AcpiOSIFeatures[i].control_flag != 0 &&
acpica_get_core_feature(AcpiOSIFeatures[i].control_flag) !=
AcpiOSIFeatures[i].control_flag) {
break;
}
/* Feature supported. */
return (AE_OK);
}
return (AE_SUPPORT);
}
/*ARGSUSED*/
ACPI_STATUS
AcpiOsValidateAddress(UINT8 spaceid, ACPI_PHYSICAL_ADDRESS addr,
ACPI_SIZE length)
{
return (AE_OK);
}
ACPI_STATUS
AcpiOsSignal(UINT32 Function, void *Info)
{
_NOTE(ARGUNUSED(Function, Info))
/* FUTUREWORK: debugger support */
cmn_err(CE_NOTE, "!OsSignal unimplemented");
return (AE_OK);
}
void ACPI_INTERNAL_VAR_XFACE
AcpiOsPrintf(const char *Format, ...)
{
va_list ap;
va_start(ap, Format);
AcpiOsVprintf(Format, ap);
va_end(ap);
}
/*
* When != 0, sends output to console
* Patchable with kmdb or /etc/system.
*/
int acpica_console_out = 0;
#define ACPICA_OUTBUF_LEN 160
char acpica_outbuf[ACPICA_OUTBUF_LEN];
int acpica_outbuf_offset;
/*
*
*/
static void
acpica_pr_buf(char *buf)
{
char c, *bufp, *outp;
int out_remaining;
/*
* copy the supplied buffer into the output buffer
* when we hit a '\n' or overflow the output buffer,
* output and reset the output buffer
*/
bufp = buf;
outp = acpica_outbuf + acpica_outbuf_offset;
out_remaining = ACPICA_OUTBUF_LEN - acpica_outbuf_offset - 1;
while (c = *bufp++) {
*outp++ = c;
if (c == '\n' || --out_remaining == 0) {
*outp = '\0';
if (acpica_console_out)
printf(acpica_outbuf);
else
(void) strlog(0, 0, 0,
SL_CONSOLE | SL_NOTE | SL_LOGONLY,
acpica_outbuf);
acpica_outbuf_offset = 0;
outp = acpica_outbuf;
out_remaining = ACPICA_OUTBUF_LEN - 1;
}
}
acpica_outbuf_offset = outp - acpica_outbuf;
}
void
AcpiOsVprintf(const char *Format, va_list Args)
{
/*
* If AcpiOsInitialize() failed to allocate a string buffer,
* resort to vprintf().
*/
if (acpi_osl_pr_buffer == NULL) {
vprintf(Format, Args);
return;
}
/*
* It is possible that a very long debug output statement will
* be truncated; this is silently ignored.
*/
(void) vsnprintf(acpi_osl_pr_buffer, acpi_osl_pr_buflen, Format, Args);
acpica_pr_buf(acpi_osl_pr_buffer);
}
void
AcpiOsRedirectOutput(void *Destination)
{
_NOTE(ARGUNUSED(Destination))
/* FUTUREWORK: debugger support */
#ifdef DEBUG
cmn_err(CE_WARN, "!acpica: AcpiOsRedirectOutput called");
#endif
}
UINT32
AcpiOsGetLine(char *Buffer)
{
_NOTE(ARGUNUSED(Buffer))
/* FUTUREWORK: debugger support */
return (0);
}
/*
* Device tree binding
*/
static ACPI_STATUS
acpica_find_pcibus_walker(ACPI_HANDLE hdl, UINT32 lvl, void *ctxp, void **rvpp)
{
_NOTE(ARGUNUSED(lvl));
int sta, hid, bbn;
int busno = (intptr_t)ctxp;
ACPI_HANDLE *hdlp = (ACPI_HANDLE *)rvpp;
/* Check whether device exists. */
if (ACPI_SUCCESS(acpica_eval_int(hdl, "_STA", &sta)) &&
!(sta & (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_FUNCTIONING))) {
/*
* Skip object if device doesn't exist.
* According to ACPI Spec,
* 1) setting either bit 0 or bit 3 means that device exists.
* 2) Absence of _STA method means all status bits set.
*/
return (AE_CTRL_DEPTH);
}
if (ACPI_FAILURE(acpica_eval_hid(hdl, "_HID", &hid)) ||
(hid != HID_PCI_BUS && hid != HID_PCI_EXPRESS_BUS)) {
/* Non PCI/PCIe host bridge. */
return (AE_OK);
}
if (acpi_has_broken_bbn) {
ACPI_BUFFER rb;
rb.Pointer = NULL;
rb.Length = ACPI_ALLOCATE_BUFFER;
/* Decree _BBN == n from PCI<n> */
if (AcpiGetName(hdl, ACPI_SINGLE_NAME, &rb) != AE_OK) {
return (AE_CTRL_TERMINATE);
}
bbn = ((char *)rb.Pointer)[3] - '0';
AcpiOsFree(rb.Pointer);
if (bbn == busno || busno == 0) {
*hdlp = hdl;
return (AE_CTRL_TERMINATE);
}
} else if (ACPI_SUCCESS(acpica_eval_int(hdl, "_BBN", &bbn))) {
if (bbn == busno) {
*hdlp = hdl;
return (AE_CTRL_TERMINATE);
}
} else if (busno == 0) {
*hdlp = hdl;
return (AE_CTRL_TERMINATE);
}
return (AE_CTRL_DEPTH);
}
static int
acpica_find_pcibus(int busno, ACPI_HANDLE *rh)
{
ACPI_HANDLE sbobj, busobj;
/* initialize static flag by querying ACPI namespace for bug */
if (acpi_has_broken_bbn == -1)
acpi_has_broken_bbn = acpica_query_bbn_problem();
if (ACPI_SUCCESS(AcpiGetHandle(NULL, "\\_SB", &sbobj))) {
busobj = NULL;
(void) AcpiWalkNamespace(ACPI_TYPE_DEVICE, sbobj, UINT32_MAX,
acpica_find_pcibus_walker, (void *)(intptr_t)busno,
(void **)&busobj);
if (busobj != NULL) {
*rh = busobj;
return (AE_OK);
}
}
return (AE_ERROR);
}
static ACPI_STATUS
acpica_query_bbn_walker(ACPI_HANDLE hdl, UINT32 lvl, void *ctxp, void **rvpp)
{
_NOTE(ARGUNUSED(lvl));
_NOTE(ARGUNUSED(rvpp));
int sta, hid, bbn;
int *cntp = (int *)ctxp;
/* Check whether device exists. */
if (ACPI_SUCCESS(acpica_eval_int(hdl, "_STA", &sta)) &&
!(sta & (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_FUNCTIONING))) {
/*
* Skip object if device doesn't exist.
* According to ACPI Spec,
* 1) setting either bit 0 or bit 3 means that device exists.
* 2) Absence of _STA method means all status bits set.
*/
return (AE_CTRL_DEPTH);
}
if (ACPI_FAILURE(acpica_eval_hid(hdl, "_HID", &hid)) ||
(hid != HID_PCI_BUS && hid != HID_PCI_EXPRESS_BUS)) {
/* Non PCI/PCIe host bridge. */
return (AE_OK);
} else if (ACPI_SUCCESS(acpica_eval_int(hdl, "_BBN", &bbn)) &&
bbn == 0 && ++(*cntp) > 1) {
/*
* If we find more than one bus with a 0 _BBN
* we have the problem that BigBear's BIOS shows
*/
return (AE_CTRL_TERMINATE);
} else {
/*
* Skip children of PCI/PCIe host bridge.
*/
return (AE_CTRL_DEPTH);
}
}
/*
* Look for ACPI problem where _BBN is zero for multiple PCI buses
* This is a clear ACPI bug, but we have a workaround in acpica_find_pcibus()
* below if it exists.
*/
static int
acpica_query_bbn_problem(void)
{
ACPI_HANDLE sbobj;
int zerobbncnt;
void *rv;
zerobbncnt = 0;
if (ACPI_SUCCESS(AcpiGetHandle(NULL, "\\_SB", &sbobj))) {
(void) AcpiWalkNamespace(ACPI_TYPE_DEVICE, sbobj, UINT32_MAX,
acpica_query_bbn_walker, &zerobbncnt, &rv);
}
return (zerobbncnt > 1 ? 1 : 0);
}
static const char hextab[] = "0123456789ABCDEF";
static int
hexdig(int c)
{
/*
* Get hex digit:
*
* Returns the 4-bit hex digit named by the input character. Returns
* zero if the input character is not valid hex!
*/
int x = ((c < 'a') || (c > 'z')) ? c : (c - ' ');
int j = sizeof (hextab);
while (--j && (x != hextab[j])) {
}
return (j);
}
static int
CompressEisaID(char *np)
{
/*
* Compress an EISA device name:
*
* This routine converts a 7-byte ASCII device name into the 4-byte
* compressed form used by EISA (50 bytes of ROM to save 1 byte of
* NV-RAM!)
*/
union { char octets[4]; int retval; } myu;
myu.octets[0] = ((np[0] & 0x1F) << 2) + ((np[1] >> 3) & 0x03);
myu.octets[1] = ((np[1] & 0x07) << 5) + (np[2] & 0x1F);
myu.octets[2] = (hexdig(np[3]) << 4) + hexdig(np[4]);
myu.octets[3] = (hexdig(np[5]) << 4) + hexdig(np[6]);
return (myu.retval);
}
ACPI_STATUS
acpica_eval_int(ACPI_HANDLE dev, char *method, int *rint)
{
ACPI_STATUS status;
ACPI_BUFFER rb;
ACPI_OBJECT ro;
rb.Pointer = &ro;
rb.Length = sizeof (ro);
if ((status = AcpiEvaluateObjectTyped(dev, method, NULL, &rb,
ACPI_TYPE_INTEGER)) == AE_OK)
*rint = ro.Integer.Value;
return (status);
}
static int
acpica_eval_hid(ACPI_HANDLE dev, char *method, int *rint)
{
ACPI_BUFFER rb;
ACPI_OBJECT *rv;
rb.Pointer = NULL;
rb.Length = ACPI_ALLOCATE_BUFFER;
if (AcpiEvaluateObject(dev, method, NULL, &rb) == AE_OK &&
rb.Length != 0) {
rv = rb.Pointer;
if (rv->Type == ACPI_TYPE_INTEGER) {
*rint = rv->Integer.Value;
AcpiOsFree(rv);
return (AE_OK);
} else if (rv->Type == ACPI_TYPE_STRING) {
char *stringData;
/* Convert the string into an EISA ID */
if (rv->String.Pointer == NULL) {
AcpiOsFree(rv);
return (AE_ERROR);
}
stringData = rv->String.Pointer;
/*
* If the string is an EisaID, it must be 7
* characters; if it's an ACPI ID, it will be 8
* (and we don't care about ACPI ids here).
*/
if (strlen(stringData) != 7) {
AcpiOsFree(rv);
return (AE_ERROR);
}
*rint = CompressEisaID(stringData);
AcpiOsFree(rv);
return (AE_OK);
} else
AcpiOsFree(rv);
}
return (AE_ERROR);
}
/*
* Create linkage between devinfo nodes and ACPI nodes
*/
ACPI_STATUS
acpica_tag_devinfo(dev_info_t *dip, ACPI_HANDLE acpiobj)
{
ACPI_STATUS status;
ACPI_BUFFER rb;
/*
* Tag the devinfo node with the ACPI name
*/
rb.Pointer = NULL;
rb.Length = ACPI_ALLOCATE_BUFFER;
status = AcpiGetName(acpiobj, ACPI_FULL_PATHNAME, &rb);
if (ACPI_FAILURE(status)) {
cmn_err(CE_WARN, "acpica: could not get ACPI path!");
} else {
(void) ndi_prop_update_string(DDI_DEV_T_NONE, dip,
"acpi-namespace", (char *)rb.Pointer);
AcpiOsFree(rb.Pointer);
/*
* Tag the ACPI node with the dip
*/
status = acpica_set_devinfo(acpiobj, dip);
ASSERT(ACPI_SUCCESS(status));
}
return (status);
}
/*
* Destroy linkage between devinfo nodes and ACPI nodes
*/
ACPI_STATUS
acpica_untag_devinfo(dev_info_t *dip, ACPI_HANDLE acpiobj)
{
(void) acpica_unset_devinfo(acpiobj);
(void) ndi_prop_remove(DDI_DEV_T_NONE, dip, "acpi-namespace");
return (AE_OK);
}
/*
* Return the ACPI device node matching the CPU dev_info node.
*/
ACPI_STATUS
acpica_get_handle_cpu(int cpu_id, ACPI_HANDLE *rh)
{
int i;
/*
* if cpu_map itself is NULL, we're a uppc system and
* acpica_build_processor_map() hasn't been called yet.
* So call it here
*/
if (cpu_map == NULL) {
(void) acpica_build_processor_map();
if (cpu_map == NULL)
return (AE_ERROR);
}
if (cpu_id < 0) {
return (AE_ERROR);
}
/*
* search object with cpuid in cpu_map
*/
mutex_enter(&cpu_map_lock);
for (i = 0; i < cpu_map_count; i++) {
if (cpu_map[i]->cpu_id == cpu_id) {
break;
}
}
if (i >= cpu_map_count || (cpu_map[i]->obj == NULL)) {
mutex_exit(&cpu_map_lock);
return (AE_ERROR);
}
*rh = cpu_map[cpu_id]->obj;
mutex_exit(&cpu_map_lock);
return (AE_OK);
}
/*
* Determine if this object is a processor
*/
static ACPI_STATUS
acpica_probe_processor(ACPI_HANDLE obj, UINT32 level, void *ctx, void **rv)
{
ACPI_STATUS status;
ACPI_OBJECT_TYPE objtype;
unsigned long acpi_id;
ACPI_BUFFER rb;
if (AcpiGetType(obj, &objtype) != AE_OK)
return (AE_OK);
if (objtype == ACPI_TYPE_PROCESSOR) {
/* process a Processor */
rb.Pointer = NULL;
rb.Length = ACPI_ALLOCATE_BUFFER;
status = AcpiEvaluateObjectTyped(obj, NULL, NULL, &rb,
ACPI_TYPE_PROCESSOR);
if (status != AE_OK) {
cmn_err(CE_WARN, "!acpica: error probing Processor");
return (status);
}
acpi_id = ((ACPI_OBJECT *)rb.Pointer)->Processor.ProcId;
AcpiOsFree(rb.Pointer);
} else if (objtype == ACPI_TYPE_DEVICE) {
/* process a processor Device */
rb.Pointer = NULL;
rb.Length = ACPI_ALLOCATE_BUFFER;
status = AcpiGetObjectInfo(obj, &rb);
if (status != AE_OK) {
cmn_err(CE_WARN,
"!acpica: error probing Processor Device\n");
return (status);
}
ASSERT(((ACPI_OBJECT *)rb.Pointer)->Type ==
ACPI_TYPE_DEVICE);
if (ddi_strtoul(
((ACPI_DEVICE_INFO *)rb.Pointer)->UniqueId.Value,
NULL, 10, &acpi_id) != 0) {
AcpiOsFree(rb.Pointer);
cmn_err(CE_WARN,
"!acpica: error probing Processor Device _UID\n");
return (AE_ERROR);
}
AcpiOsFree(rb.Pointer);
}
(void) acpica_add_processor_to_map(acpi_id, obj, UINT32_MAX);
return (AE_OK);
}
static void
scan_d2a_map(void)
{
dev_info_t *dip, *cdip;
ACPI_HANDLE acpiobj;
char *device_type_prop;
int bus;
static int map_error = 0;
if (map_error)
return;
scanning_d2a_map = 1;
/*
* Find all child-of-root PCI buses, and find their corresponding
* ACPI child-of-root PCI nodes. For each one, add to the
* d2a table.
*/
for (dip = ddi_get_child(ddi_root_node());
dip != NULL;
dip = ddi_get_next_sibling(dip)) {
/* prune non-PCI nodes */
if (ddi_prop_lookup_string(DDI_DEV_T_ANY, dip,
DDI_PROP_DONTPASS,
"device_type", &device_type_prop) != DDI_PROP_SUCCESS)
continue;
if ((strcmp("pci", device_type_prop) != 0) &&
(strcmp("pciex", device_type_prop) != 0)) {
ddi_prop_free(device_type_prop);
continue;
}
ddi_prop_free(device_type_prop);
/*
* To get bus number of dip, get first child and get its
* bus number. If NULL, just continue, because we don't
* care about bus nodes with no children anyway.
*/
if ((cdip = ddi_get_child(dip)) == NULL)
continue;
if (acpica_get_bdf(cdip, &bus, NULL, NULL) < 0) {
#ifdef D2ADEBUG
cmn_err(CE_WARN, "Can't get bus number of PCI child?");
#endif
map_error = 1;
scanning_d2a_map = 0;
d2a_done = 1;
return;
}
if (acpica_find_pcibus(bus, &acpiobj) == AE_ERROR) {
#ifdef D2ADEBUG
cmn_err(CE_WARN, "No ACPI bus obj for bus %d?\n", bus);
#endif
map_error = 1;
continue;
}
acpica_tag_devinfo(dip, acpiobj);
/* call recursively to enumerate subtrees */
scan_d2a_subtree(dip, acpiobj, bus);
}
scanning_d2a_map = 0;
d2a_done = 1;
}
/*
* For all acpi child devices of acpiobj, find their matching
* dip under "dip" argument. (matching means "matches dev/fn").
* bus is assumed to already be a match from caller, and is
* used here only to record in the d2a entry. Recurse if necessary.
*/
static void
scan_d2a_subtree(dev_info_t *dip, ACPI_HANDLE acpiobj, int bus)
{
int acpi_devfn, hid;
ACPI_HANDLE acld;
dev_info_t *dcld;
int dcld_b, dcld_d, dcld_f;
int dev, func;
char *device_type_prop;
acld = NULL;
while (AcpiGetNextObject(ACPI_TYPE_DEVICE, acpiobj, acld, &acld)
== AE_OK) {
/* get the dev/func we're looking for in the devinfo tree */
if (acpica_eval_int(acld, "_ADR", &acpi_devfn) != AE_OK)
continue;
dev = (acpi_devfn >> 16) & 0xFFFF;
func = acpi_devfn & 0xFFFF;
/* look through all the immediate children of dip */
for (dcld = ddi_get_child(dip); dcld != NULL;
dcld = ddi_get_next_sibling(dcld)) {
if (acpica_get_bdf(dcld, &dcld_b, &dcld_d, &dcld_f) < 0)
continue;
/* dev must match; function must match or wildcard */
if (dcld_d != dev ||
(func != 0xFFFF && func != dcld_f))
continue;
bus = dcld_b;
/* found a match, record it */
acpica_tag_devinfo(dcld, acld);
/* if we find a bridge, recurse from here */
if (ddi_prop_lookup_string(DDI_DEV_T_ANY, dcld,
DDI_PROP_DONTPASS, "device_type",
&device_type_prop) == DDI_PROP_SUCCESS) {
if ((strcmp("pci", device_type_prop) == 0) ||
(strcmp("pciex", device_type_prop) == 0))
scan_d2a_subtree(dcld, acld, bus);
ddi_prop_free(device_type_prop);
}
/* done finding a match, so break now */
break;
}
}
}
/*
* Return bus/dev/fn for PCI dip (note: not the parent "pci" node).
*/
int
acpica_get_bdf(dev_info_t *dip, int *bus, int *device, int *func)
{
pci_regspec_t *pci_rp;
int len;
if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
"reg", (int **)&pci_rp, (uint_t *)&len) != DDI_SUCCESS)
return (-1);
if (len < (sizeof (pci_regspec_t) / sizeof (int))) {
ddi_prop_free(pci_rp);
return (-1);
}
if (bus != NULL)
*bus = (int)PCI_REG_BUS_G(pci_rp->pci_phys_hi);
if (device != NULL)
*device = (int)PCI_REG_DEV_G(pci_rp->pci_phys_hi);
if (func != NULL)
*func = (int)PCI_REG_FUNC_G(pci_rp->pci_phys_hi);
ddi_prop_free(pci_rp);
return (0);
}
/*
* Return the ACPI device node matching this dev_info node, if it
* exists in the ACPI tree.
*/
ACPI_STATUS
acpica_get_handle(dev_info_t *dip, ACPI_HANDLE *rh)
{
ACPI_STATUS status;
char *acpiname;
if (!d2a_done)
scan_d2a_map();
if (ddi_prop_lookup_string(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
"acpi-namespace", &acpiname) != DDI_PROP_SUCCESS) {
return (AE_ERROR);
}
status = AcpiGetHandle(NULL, acpiname, rh);
ddi_prop_free((void *)acpiname);
return (status);
}
/*
* Manage OS data attachment to ACPI nodes
*/
/*
* Return the (dev_info_t *) associated with the ACPI node.
*/
ACPI_STATUS
acpica_get_devinfo(ACPI_HANDLE obj, dev_info_t **dipp)
{
ACPI_STATUS status;
void *ptr;
status = AcpiGetData(obj, acpica_devinfo_handler, &ptr);
if (status == AE_OK)
*dipp = (dev_info_t *)ptr;
return (status);
}
/*
* Set the dev_info_t associated with the ACPI node.
*/
static ACPI_STATUS
acpica_set_devinfo(ACPI_HANDLE obj, dev_info_t *dip)
{
ACPI_STATUS status;
status = AcpiAttachData(obj, acpica_devinfo_handler, (void *)dip);
return (status);
}
/*
* Unset the dev_info_t associated with the ACPI node.
*/
static ACPI_STATUS
acpica_unset_devinfo(ACPI_HANDLE obj)
{
return (AcpiDetachData(obj, acpica_devinfo_handler));
}
/*
*
*/
void
acpica_devinfo_handler(ACPI_HANDLE obj, UINT32 func, void *data)
{
/* noop */
}
ACPI_STATUS
acpica_build_processor_map(void)
{
ACPI_STATUS status;
void *rv;
/*
* shouldn't be called more than once anyway
*/
if (cpu_map_built)
return (AE_OK);
/*
* ACPI device configuration driver has built mapping information
* among processor id and object handle, no need to probe again.
*/
if (acpica_get_devcfg_feature(ACPI_DEVCFG_CPU)) {
cpu_map_built = 1;
return (AE_OK);
}
/*
* Look for Processor objects
*/
status = AcpiWalkNamespace(ACPI_TYPE_PROCESSOR,
ACPI_ROOT_OBJECT,
4,
acpica_probe_processor,
NULL,
&rv);
ASSERT(status == AE_OK);
/*
* Look for processor Device objects
*/
status = AcpiGetDevices("ACPI0007",
acpica_probe_processor,
NULL,
&rv);
ASSERT(status == AE_OK);
cpu_map_built = 1;
return (status);
}
/*
* Grow cpu map table on demand.
*/
static void
acpica_grow_cpu_map(void)
{
if (cpu_map_count == cpu_map_count_max) {
size_t sz;
struct cpu_map_item **new_map;
ASSERT(cpu_map_count_max < INT_MAX / 2);
cpu_map_count_max += max_ncpus;
new_map = kmem_zalloc(sizeof (cpu_map[0]) * cpu_map_count_max,
KM_SLEEP);
if (cpu_map_count != 0) {
ASSERT(cpu_map != NULL);
sz = sizeof (cpu_map[0]) * cpu_map_count;
kcopy(cpu_map, new_map, sz);
kmem_free(cpu_map, sz);
}
cpu_map = new_map;
}
}
/*
* Maintain mapping information among (cpu id, ACPI processor id, APIC id,
* ACPI handle). The mapping table will be setup in two steps:
* 1) acpica_add_processor_to_map() builds mapping among APIC id, ACPI
* processor id and ACPI object handle.
* 2) acpica_map_cpu() builds mapping among cpu id and ACPI processor id.
* On system with ACPI device configuration for CPU enabled, acpica_map_cpu()
* will be called before acpica_add_processor_to_map(), otherwise
* acpica_map_cpu() will be called after acpica_add_processor_to_map().
*/
ACPI_STATUS
acpica_add_processor_to_map(UINT32 acpi_id, ACPI_HANDLE obj, UINT32 apic_id)
{
int i;
ACPI_STATUS rc = AE_OK;
struct cpu_map_item *item = NULL;
ASSERT(obj != NULL);
if (obj == NULL) {
return (AE_ERROR);
}
mutex_enter(&cpu_map_lock);
/*
* Special case for uppc
* If we're a uppc system and ACPI device configuration for CPU has
* been disabled, there won't be a CPU map yet because uppc psm doesn't
* call acpica_map_cpu(). So create one and use the passed-in processor
* as CPU 0
*/
if (cpu_map == NULL &&
!acpica_get_devcfg_feature(ACPI_DEVCFG_CPU)) {
acpica_grow_cpu_map();
ASSERT(cpu_map != NULL);
item = kmem_zalloc(sizeof (*item), KM_SLEEP);
item->cpu_id = 0;
item->proc_id = acpi_id;
item->apic_id = apic_id;
item->obj = obj;
cpu_map[0] = item;
cpu_map_count = 1;
mutex_exit(&cpu_map_lock);
return (AE_OK);
}
for (i = 0; i < cpu_map_count; i++) {
if (cpu_map[i]->obj == obj) {
rc = AE_ALREADY_EXISTS;
break;
} else if (cpu_map[i]->proc_id == acpi_id) {
ASSERT(item == NULL);
item = cpu_map[i];
}
}
if (rc == AE_OK) {
if (item != NULL) {
/*
* ACPI alias objects may cause more than one objects
* with the same ACPI processor id, only remember the
* the first object encountered.
*/
if (item->obj == NULL) {
item->obj = obj;
item->apic_id = apic_id;
} else {
rc = AE_ALREADY_EXISTS;
}
} else if (cpu_map_count >= INT_MAX / 2) {
rc = AE_NO_MEMORY;
} else {
acpica_grow_cpu_map();
ASSERT(cpu_map != NULL);
ASSERT(cpu_map_count < cpu_map_count_max);
item = kmem_zalloc(sizeof (*item), KM_SLEEP);
item->cpu_id = -1;
item->proc_id = acpi_id;
item->apic_id = apic_id;
item->obj = obj;
cpu_map[cpu_map_count] = item;
cpu_map_count++;
}
}
mutex_exit(&cpu_map_lock);
return (rc);
}
ACPI_STATUS
acpica_remove_processor_from_map(UINT32 acpi_id)
{
int i;
ACPI_STATUS rc = AE_NOT_EXIST;
mutex_enter(&cpu_map_lock);
for (i = 0; i < cpu_map_count; i++) {
if (cpu_map[i]->proc_id != acpi_id) {
continue;
}
cpu_map[i]->obj = NULL;
/* Free item if no more reference to it. */
if (cpu_map[i]->cpu_id == -1) {
kmem_free(cpu_map[i], sizeof (struct cpu_map_item));
cpu_map[i] = NULL;
cpu_map_count--;
if (i != cpu_map_count) {
cpu_map[i] = cpu_map[cpu_map_count];
cpu_map[cpu_map_count] = NULL;
}
}
rc = AE_OK;
break;
}
mutex_exit(&cpu_map_lock);
return (rc);
}
ACPI_STATUS
acpica_map_cpu(processorid_t cpuid, UINT32 acpi_id)
{
int i;
ACPI_STATUS rc = AE_OK;
struct cpu_map_item *item = NULL;
ASSERT(cpuid != -1);
if (cpuid == -1) {
return (AE_ERROR);
}
mutex_enter(&cpu_map_lock);
for (i = 0; i < cpu_map_count; i++) {
if (cpu_map[i]->cpu_id == cpuid) {
rc = AE_ALREADY_EXISTS;
break;
} else if (cpu_map[i]->proc_id == acpi_id) {
ASSERT(item == NULL);
item = cpu_map[i];
}
}
if (rc == AE_OK) {
if (item != NULL) {
if (item->cpu_id == -1) {
item->cpu_id = cpuid;
} else {
rc = AE_ALREADY_EXISTS;
}
} else if (cpu_map_count >= INT_MAX / 2) {
rc = AE_NO_MEMORY;
} else {
acpica_grow_cpu_map();
ASSERT(cpu_map != NULL);
ASSERT(cpu_map_count < cpu_map_count_max);
item = kmem_zalloc(sizeof (*item), KM_SLEEP);
item->cpu_id = cpuid;
item->proc_id = acpi_id;
item->apic_id = UINT32_MAX;
item->obj = NULL;
cpu_map[cpu_map_count] = item;
cpu_map_count++;
}
}
mutex_exit(&cpu_map_lock);
return (rc);
}
ACPI_STATUS
acpica_unmap_cpu(processorid_t cpuid)
{
int i;
ACPI_STATUS rc = AE_NOT_EXIST;
ASSERT(cpuid != -1);
if (cpuid == -1) {
return (rc);
}
mutex_enter(&cpu_map_lock);
for (i = 0; i < cpu_map_count; i++) {
if (cpu_map[i]->cpu_id != cpuid) {
continue;
}
cpu_map[i]->cpu_id = -1;
/* Free item if no more reference. */
if (cpu_map[i]->obj == NULL) {
kmem_free(cpu_map[i], sizeof (struct cpu_map_item));
cpu_map[i] = NULL;
cpu_map_count--;
if (i != cpu_map_count) {
cpu_map[i] = cpu_map[cpu_map_count];
cpu_map[cpu_map_count] = NULL;
}
}
rc = AE_OK;
break;
}
mutex_exit(&cpu_map_lock);
return (rc);
}
ACPI_STATUS
acpica_get_cpu_object_by_cpuid(processorid_t cpuid, ACPI_HANDLE *hdlp)
{
int i;
ACPI_STATUS rc = AE_NOT_EXIST;
ASSERT(cpuid != -1);
if (cpuid == -1) {
return (rc);
}
mutex_enter(&cpu_map_lock);
for (i = 0; i < cpu_map_count; i++) {
if (cpu_map[i]->cpu_id == cpuid && cpu_map[i]->obj != NULL) {
*hdlp = cpu_map[i]->obj;
rc = AE_OK;
break;
}
}
mutex_exit(&cpu_map_lock);
return (rc);
}
ACPI_STATUS
acpica_get_cpu_object_by_procid(UINT32 procid, ACPI_HANDLE *hdlp)
{
int i;
ACPI_STATUS rc = AE_NOT_EXIST;
mutex_enter(&cpu_map_lock);
for (i = 0; i < cpu_map_count; i++) {
if (cpu_map[i]->proc_id == procid && cpu_map[i]->obj != NULL) {
*hdlp = cpu_map[i]->obj;
rc = AE_OK;
break;
}
}
mutex_exit(&cpu_map_lock);
return (rc);
}
ACPI_STATUS
acpica_get_cpu_object_by_apicid(UINT32 apicid, ACPI_HANDLE *hdlp)
{
int i;
ACPI_STATUS rc = AE_NOT_EXIST;
ASSERT(apicid != UINT32_MAX);
if (apicid == UINT32_MAX) {
return (rc);
}
mutex_enter(&cpu_map_lock);
for (i = 0; i < cpu_map_count; i++) {
if (cpu_map[i]->apic_id == apicid && cpu_map[i]->obj != NULL) {
*hdlp = cpu_map[i]->obj;
rc = AE_OK;
break;
}
}
mutex_exit(&cpu_map_lock);
return (rc);
}
void
acpica_set_core_feature(uint64_t features)
{
atomic_or_64(&acpica_core_features, features);
}
void
acpica_clear_core_feature(uint64_t features)
{
atomic_and_64(&acpica_core_features, ~features);
}
uint64_t
acpica_get_core_feature(uint64_t features)
{
return (acpica_core_features & features);
}
void
acpica_set_devcfg_feature(uint64_t features)
{
atomic_or_64(&acpica_devcfg_features, features);
}
void
acpica_clear_devcfg_feature(uint64_t features)
{
atomic_and_64(&acpica_devcfg_features, ~features);
}
uint64_t
acpica_get_devcfg_feature(uint64_t features)
{
return (acpica_devcfg_features & features);
}
void
acpica_get_global_FADT(ACPI_TABLE_FADT **gbl_FADT)
{
*gbl_FADT = &AcpiGbl_FADT;
}