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freebsd-src/sys/dev/acpica/acpivar.h
John Baldwin 0e1246e334 acpi: Cleanup handling of suballocated resources 
For resources suballocated from the system resource rmans, handle
those in the ACPI bus driver without passing them up to the parent.
This means using bus_generic_rman_* for several bus methods for
operations on suballocated resources.  For bus_map/unmap_resource,
find the system resource allocated from the parent bus (nexus) that
contains the range being mapped and request a mapping of that parent
resource.

This avoids a layering violation where nexus drivers were previously
asked to manage the activation and mapping of resources created
belonging to the ACPI resource managers.

Note that this does require passing RF_ACTIVE (with RF_UNMAPPED) when
allocating system resources from the parent.

While here, don't assume that the parent bus (nexus) provides a
resource list that sysres resources are placed on.  Instead, create a
dedicated resource_list in the ACPI bus driver's softc to hold sysres
resources.

Reviewed by:	imp
Differential Revision:	https://reviews.freebsd.org/D43687
2024-02-09 10:27:45 -08:00

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/*-
* Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@jp.freebsd.org>
* Copyright (c) 2000 Michael Smith <msmith@freebsd.org>
* Copyright (c) 2000 BSDi
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _ACPIVAR_H_
#define _ACPIVAR_H_
#ifdef _KERNEL
#include "acpi_if.h"
#include "bus_if.h"
#include <sys/_eventhandler.h>
#ifdef INTRNG
#include <sys/intr.h>
#endif
#include <sys/ktr.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/selinfo.h>
#include <sys/sx.h>
#include <sys/sysctl.h>
#include <machine/bus.h>
#include <machine/resource.h>
struct apm_clone_data;
struct acpi_softc {
device_t acpi_dev;
struct cdev *acpi_dev_t;
int acpi_enabled;
int acpi_sstate;
int acpi_sleep_disabled;
struct sysctl_ctx_list acpi_sysctl_ctx;
struct sysctl_oid *acpi_sysctl_tree;
int acpi_power_button_sx;
int acpi_sleep_button_sx;
int acpi_lid_switch_sx;
int acpi_standby_sx;
int acpi_suspend_sx;
int acpi_sleep_delay;
int acpi_s4bios;
int acpi_do_disable;
int acpi_verbose;
int acpi_handle_reboot;
vm_offset_t acpi_wakeaddr;
vm_paddr_t acpi_wakephys;
int acpi_next_sstate; /* Next suspend Sx state. */
struct apm_clone_data *acpi_clone; /* Pseudo-dev for devd(8). */
STAILQ_HEAD(,apm_clone_data) apm_cdevs; /* All apm/apmctl/acpi cdevs. */
struct callout susp_force_to; /* Force suspend if no acks. */
/* System Resources */
struct resource_list sysres_rl;
};
struct acpi_device {
/* ACPI ivars */
ACPI_HANDLE ad_handle;
void *ad_private;
int ad_flags;
int ad_cls_class;
ACPI_BUFFER dsd; /* Device Specific Data */
const ACPI_OBJECT *dsd_pkg;
/* Resources */
struct resource_list ad_rl;
};
#ifdef INTRNG
struct intr_map_data_acpi {
struct intr_map_data hdr;
u_int irq;
u_int pol;
u_int trig;
};
#endif
/* Track device (/dev/{apm,apmctl} and /dev/acpi) notification status. */
struct apm_clone_data {
STAILQ_ENTRY(apm_clone_data) entries;
struct cdev *cdev;
int flags;
#define ACPI_EVF_NONE 0 /* /dev/apm semantics */
#define ACPI_EVF_DEVD 1 /* /dev/acpi is handled via devd(8) */
#define ACPI_EVF_WRITE 2 /* Device instance is opened writable. */
int notify_status;
#define APM_EV_NONE 0 /* Device not yet aware of pending sleep. */
#define APM_EV_NOTIFIED 1 /* Device saw next sleep state. */
#define APM_EV_ACKED 2 /* Device agreed sleep can occur. */
struct acpi_softc *acpi_sc;
struct selinfo sel_read;
};
#define ACPI_PRW_MAX_POWERRES 8
struct acpi_prw_data {
ACPI_HANDLE gpe_handle;
int gpe_bit;
int lowest_wake;
ACPI_OBJECT power_res[ACPI_PRW_MAX_POWERRES];
int power_res_count;
};
/* Flags for each device defined in the AML namespace. */
#define ACPI_FLAG_WAKE_ENABLED 0x1
/* Macros for extracting parts of a PCI address from an _ADR value. */
#define ACPI_ADR_PCI_SLOT(adr) (((adr) & 0xffff0000) >> 16)
#define ACPI_ADR_PCI_FUNC(adr) ((adr) & 0xffff)
/*
* Entry points to ACPI from above are global functions defined in this
* file, sysctls, and I/O on the control device. Entry points from below
* are interrupts (the SCI), notifies, task queue threads, and the thermal
* zone polling thread.
*
* ACPI tables and global shared data are protected by a global lock
* (acpi_mutex).
*
* Each ACPI device can have its own driver-specific mutex for protecting
* shared access to local data. The ACPI_LOCK macros handle mutexes.
*
* Drivers that need to serialize access to functions (e.g., to route
* interrupts, get/set control paths, etc.) should use the sx lock macros
* (ACPI_SERIAL).
*
* ACPI-CA handles its own locking and should not be called with locks held.
*
* The most complicated path is:
* GPE -> EC runs _Qxx -> _Qxx reads EC space -> GPE
*/
extern struct mtx acpi_mutex;
#define ACPI_LOCK(sys) mtx_lock(&sys##_mutex)
#define ACPI_UNLOCK(sys) mtx_unlock(&sys##_mutex)
#define ACPI_LOCK_ASSERT(sys) mtx_assert(&sys##_mutex, MA_OWNED);
#define ACPI_LOCK_DECL(sys, name) \
static struct mtx sys##_mutex; \
MTX_SYSINIT(sys##_mutex, &sys##_mutex, name, MTX_DEF)
#define ACPI_SERIAL_BEGIN(sys) sx_xlock(&sys##_sxlock)
#define ACPI_SERIAL_END(sys) sx_xunlock(&sys##_sxlock)
#define ACPI_SERIAL_ASSERT(sys) sx_assert(&sys##_sxlock, SX_XLOCKED);
#define ACPI_SERIAL_DECL(sys, name) \
static struct sx sys##_sxlock; \
SX_SYSINIT(sys##_sxlock, &sys##_sxlock, name)
/*
* ACPI CA does not define layers for non-ACPI CA drivers.
* We define some here within the range provided.
*/
#define ACPI_AC_ADAPTER 0x00010000
#define ACPI_BATTERY 0x00020000
#define ACPI_BUS 0x00040000
#define ACPI_BUTTON 0x00080000
#define ACPI_EC 0x00100000
#define ACPI_FAN 0x00200000
#define ACPI_POWERRES 0x00400000
#define ACPI_PROCESSOR 0x00800000
#define ACPI_THERMAL 0x01000000
#define ACPI_TIMER 0x02000000
#define ACPI_OEM 0x04000000
/*
* Constants for different interrupt models used with acpi_SetIntrModel().
*/
#define ACPI_INTR_PIC 0
#define ACPI_INTR_APIC 1
#define ACPI_INTR_SAPIC 2
/*
* Various features and capabilities for the acpi_get_features() method.
* In particular, these are used for the ACPI 3.0 _PDC and _OSC methods.
* See the Intel document titled "Intel Processor Vendor-Specific ACPI",
* number 302223-007.
*/
#define ACPI_CAP_PERF_MSRS (1 << 0) /* Intel SpeedStep PERF_CTL MSRs */
#define ACPI_CAP_C1_IO_HALT (1 << 1) /* Intel C1 "IO then halt" sequence */
#define ACPI_CAP_THR_MSRS (1 << 2) /* Intel OnDemand throttling MSRs */
#define ACPI_CAP_SMP_SAME (1 << 3) /* MP C1, Px, and Tx (all the same) */
#define ACPI_CAP_SMP_SAME_C3 (1 << 4) /* MP C2 and C3 (all the same) */
#define ACPI_CAP_SMP_DIFF_PX (1 << 5) /* MP Px (different, using _PSD) */
#define ACPI_CAP_SMP_DIFF_CX (1 << 6) /* MP Cx (different, using _CSD) */
#define ACPI_CAP_SMP_DIFF_TX (1 << 7) /* MP Tx (different, using _TSD) */
#define ACPI_CAP_SMP_C1_NATIVE (1 << 8) /* MP C1 support other than halt */
#define ACPI_CAP_SMP_C3_NATIVE (1 << 9) /* MP C2 and C3 support */
#define ACPI_CAP_PX_HW_COORD (1 << 11) /* Intel P-state HW coordination */
#define ACPI_CAP_INTR_CPPC (1 << 12) /* Native Interrupt Handling for
Collaborative Processor Performance Control notifications */
#define ACPI_CAP_HW_DUTY_C (1 << 13) /* Hardware Duty Cycling */
/*
* Quirk flags.
*
* ACPI_Q_BROKEN: Disables all ACPI support.
* ACPI_Q_TIMER: Disables support for the ACPI timer.
* ACPI_Q_MADT_IRQ0: Specifies that ISA IRQ 0 is wired up to pin 0 of the
* first APIC and that the MADT should force that by ignoring the PC-AT
* compatible flag and ignoring overrides that redirect IRQ 0 to pin 2.
*/
extern int acpi_quirks;
#define ACPI_Q_OK 0
#define ACPI_Q_BROKEN (1 << 0)
#define ACPI_Q_TIMER (1 << 1)
#define ACPI_Q_MADT_IRQ0 (1 << 2)
/*
* Plug and play information for device matching. Matching table format
* is compatible with ids parameter of ACPI_ID_PROBE bus method.
*
* XXX: While ACPI_ID_PROBE matches against _HID and all _CIDs, current
* acpi_pnpinfo() exports only _HID and first _CID. That means second
* and further _CIDs should be added to both acpi_pnpinfo() and
* ACPICOMPAT_PNP_INFO if device matching against them is required.
*/
#define ACPICOMPAT_PNP_INFO(t, busname) \
MODULE_PNP_INFO("Z:_HID", busname, t##hid, t, nitems(t)-1); \
MODULE_PNP_INFO("Z:_CID", busname, t##cid, t, nitems(t)-1);
#define ACPI_PNP_INFO(t) ACPICOMPAT_PNP_INFO(t, acpi)
/*
* Note that the low ivar values are reserved to provide
* interface compatibility with ISA drivers which can also
* attach to ACPI.
*/
#define ACPI_IVAR_HANDLE 0x100
#define ACPI_IVAR_UNUSED 0x101 /* Unused/reserved. */
#define ACPI_IVAR_PRIVATE 0x102
#define ACPI_IVAR_FLAGS 0x103
/*
* Accessor functions for our ivars. Default value for BUS_READ_IVAR is
* (type) 0. The <sys/bus.h> accessor functions don't check return values.
*/
#define __ACPI_BUS_ACCESSOR(varp, var, ivarp, ivar, type) \
\
static __inline type varp ## _get_ ## var(device_t dev) \
{ \
uintptr_t v = 0; \
BUS_READ_IVAR(device_get_parent(dev), dev, \
ivarp ## _IVAR_ ## ivar, &v); \
return ((type) v); \
} \
\
static __inline void varp ## _set_ ## var(device_t dev, type t) \
{ \
uintptr_t v = (uintptr_t) t; \
BUS_WRITE_IVAR(device_get_parent(dev), dev, \
ivarp ## _IVAR_ ## ivar, v); \
}
__ACPI_BUS_ACCESSOR(acpi, handle, ACPI, HANDLE, ACPI_HANDLE)
__ACPI_BUS_ACCESSOR(acpi, private, ACPI, PRIVATE, void *)
__ACPI_BUS_ACCESSOR(acpi, flags, ACPI, FLAGS, int)
void acpi_fake_objhandler(ACPI_HANDLE h, void *data);
static __inline device_t
acpi_get_device(ACPI_HANDLE handle)
{
void *dev = NULL;
AcpiGetData(handle, acpi_fake_objhandler, &dev);
return ((device_t)dev);
}
static __inline ACPI_OBJECT_TYPE
acpi_get_type(device_t dev)
{
ACPI_HANDLE h;
ACPI_OBJECT_TYPE t;
if ((h = acpi_get_handle(dev)) == NULL)
return (ACPI_TYPE_NOT_FOUND);
if (ACPI_FAILURE(AcpiGetType(h, &t)))
return (ACPI_TYPE_NOT_FOUND);
return (t);
}
/* Find the difference between two PM tick counts. */
static __inline uint32_t
acpi_TimerDelta(uint32_t end, uint32_t start)
{
if (end < start && (AcpiGbl_FADT.Flags & ACPI_FADT_32BIT_TIMER) == 0)
end |= 0x01000000;
return (end - start);
}
#ifdef ACPI_DEBUGGER
void acpi_EnterDebugger(void);
#endif
#ifdef ACPI_DEBUG
#include <sys/cons.h>
#define STEP(x) do {printf x, printf("\n"); cngetc();} while (0)
#else
#define STEP(x)
#endif
#define ACPI_VPRINT(dev, acpi_sc, x...) do { \
if (acpi_get_verbose(acpi_sc)) \
device_printf(dev, x); \
} while (0)
/* Values for the first status word returned by _OSC. */
#define ACPI_OSC_FAILURE (1 << 1)
#define ACPI_OSC_BAD_UUID (1 << 2)
#define ACPI_OSC_BAD_REVISION (1 << 3)
#define ACPI_OSC_CAPS_MASKED (1 << 4)
#define ACPI_DEVINFO_PRESENT(x, flags) \
(((x) & (flags)) == (flags))
#define ACPI_DEVICE_PRESENT(x) \
ACPI_DEVINFO_PRESENT(x, ACPI_STA_DEVICE_PRESENT | \
ACPI_STA_DEVICE_FUNCTIONING)
#define ACPI_BATTERY_PRESENT(x) \
ACPI_DEVINFO_PRESENT(x, ACPI_STA_DEVICE_PRESENT | \
ACPI_STA_DEVICE_FUNCTIONING | ACPI_STA_BATTERY_PRESENT)
/* Callback function type for walking subtables within a table. */
typedef void acpi_subtable_handler(ACPI_SUBTABLE_HEADER *, void *);
BOOLEAN acpi_DeviceIsPresent(device_t dev);
BOOLEAN acpi_BatteryIsPresent(device_t dev);
ACPI_STATUS acpi_GetHandleInScope(ACPI_HANDLE parent, char *path,
ACPI_HANDLE *result);
ACPI_STATUS acpi_GetProperty(device_t dev, ACPI_STRING propname,
const ACPI_OBJECT **value);
ACPI_BUFFER *acpi_AllocBuffer(int size);
ACPI_STATUS acpi_ConvertBufferToInteger(ACPI_BUFFER *bufp,
UINT32 *number);
ACPI_STATUS acpi_GetInteger(ACPI_HANDLE handle, char *path,
UINT32 *number);
ACPI_STATUS acpi_SetInteger(ACPI_HANDLE handle, char *path,
UINT32 number);
ACPI_STATUS acpi_ForeachPackageObject(ACPI_OBJECT *obj,
void (*func)(ACPI_OBJECT *comp, void *arg), void *arg);
ACPI_STATUS acpi_FindIndexedResource(ACPI_BUFFER *buf, int index,
ACPI_RESOURCE **resp);
ACPI_STATUS acpi_AppendBufferResource(ACPI_BUFFER *buf,
ACPI_RESOURCE *res);
UINT64 acpi_DSMQuery(ACPI_HANDLE h, const uint8_t *uuid,
int revision);
ACPI_STATUS acpi_EvaluateDSM(ACPI_HANDLE handle, const uint8_t *uuid,
int revision, UINT64 function, ACPI_OBJECT *package,
ACPI_BUFFER *out_buf);
ACPI_STATUS acpi_EvaluateDSMTyped(ACPI_HANDLE handle,
const uint8_t *uuid, int revision, UINT64 function,
ACPI_OBJECT *package, ACPI_BUFFER *out_buf,
ACPI_OBJECT_TYPE type);
ACPI_STATUS acpi_EvaluateOSC(ACPI_HANDLE handle, uint8_t *uuid,
int revision, int count, uint32_t *caps_in,
uint32_t *caps_out, bool query);
ACPI_STATUS acpi_OverrideInterruptLevel(UINT32 InterruptNumber);
ACPI_STATUS acpi_SetIntrModel(int model);
int acpi_ReqSleepState(struct acpi_softc *sc, int state);
int acpi_AckSleepState(struct apm_clone_data *clone, int error);
ACPI_STATUS acpi_SetSleepState(struct acpi_softc *sc, int state);
int acpi_wake_set_enable(device_t dev, int enable);
int acpi_parse_prw(ACPI_HANDLE h, struct acpi_prw_data *prw);
ACPI_STATUS acpi_Startup(void);
void acpi_UserNotify(const char *subsystem, ACPI_HANDLE h,
uint8_t notify);
int acpi_bus_alloc_gas(device_t dev, int *type, int *rid,
ACPI_GENERIC_ADDRESS *gas, struct resource **res,
u_int flags);
void acpi_walk_subtables(void *first, void *end,
acpi_subtable_handler *handler, void *arg);
BOOLEAN acpi_has_hid(ACPI_HANDLE handle);
int acpi_MatchHid(ACPI_HANDLE h, const char *hid);
#define ACPI_MATCHHID_NOMATCH 0
#define ACPI_MATCHHID_HID 1
#define ACPI_MATCHHID_CID 2
static __inline bool
acpi_HasProperty(device_t dev, ACPI_STRING propname)
{
return ACPI_SUCCESS(acpi_GetProperty(dev, propname, NULL));
}
struct acpi_parse_resource_set {
void (*set_init)(device_t dev, void *arg, void **context);
void (*set_done)(device_t dev, void *context);
void (*set_ioport)(device_t dev, void *context, uint64_t base,
uint64_t length);
void (*set_iorange)(device_t dev, void *context, uint64_t low,
uint64_t high, uint64_t length, uint64_t align);
void (*set_memory)(device_t dev, void *context, uint64_t base,
uint64_t length);
void (*set_memoryrange)(device_t dev, void *context, uint64_t low,
uint64_t high, uint64_t length, uint64_t align);
void (*set_irq)(device_t dev, void *context, uint8_t *irq,
int count, int trig, int pol);
void (*set_ext_irq)(device_t dev, void *context, uint32_t *irq,
int count, int trig, int pol);
void (*set_drq)(device_t dev, void *context, uint8_t *drq,
int count);
void (*set_start_dependent)(device_t dev, void *context,
int preference);
void (*set_end_dependent)(device_t dev, void *context);
};
extern struct acpi_parse_resource_set acpi_res_parse_set;
int acpi_identify(void);
void acpi_config_intr(device_t dev, ACPI_RESOURCE *res);
#ifdef INTRNG
int acpi_map_intr(device_t dev, u_int irq, ACPI_HANDLE handle);
#endif
ACPI_STATUS acpi_lookup_irq_resource(device_t dev, int rid,
struct resource *res, ACPI_RESOURCE *acpi_res);
ACPI_STATUS acpi_parse_resources(device_t dev, ACPI_HANDLE handle,
struct acpi_parse_resource_set *set, void *arg);
/* ACPI event handling */
UINT32 acpi_event_power_button_sleep(void *context);
UINT32 acpi_event_power_button_wake(void *context);
UINT32 acpi_event_sleep_button_sleep(void *context);
UINT32 acpi_event_sleep_button_wake(void *context);
#define ACPI_EVENT_PRI_FIRST 0
#define ACPI_EVENT_PRI_DEFAULT 10000
#define ACPI_EVENT_PRI_LAST 20000
typedef void (*acpi_event_handler_t)(void *, int);
EVENTHANDLER_DECLARE(acpi_sleep_event, acpi_event_handler_t);
EVENTHANDLER_DECLARE(acpi_wakeup_event, acpi_event_handler_t);
EVENTHANDLER_DECLARE(acpi_acad_event, acpi_event_handler_t);
EVENTHANDLER_DECLARE(acpi_video_event, acpi_event_handler_t);
/* Device power control. */
ACPI_STATUS acpi_pwr_wake_enable(ACPI_HANDLE consumer, int enable);
ACPI_STATUS acpi_pwr_switch_consumer(ACPI_HANDLE consumer, int state);
acpi_pwr_for_sleep_t acpi_device_pwr_for_sleep;
int acpi_set_powerstate(device_t child, int state);
/* APM emulation */
void acpi_apm_init(struct acpi_softc *);
/* Misc. */
static __inline struct acpi_softc *
acpi_device_get_parent_softc(device_t child)
{
device_t parent;
parent = device_get_parent(child);
if (parent == NULL)
return (NULL);
return (device_get_softc(parent));
}
static __inline int
acpi_get_verbose(struct acpi_softc *sc)
{
if (sc)
return (sc->acpi_verbose);
return (0);
}
char *acpi_name(ACPI_HANDLE handle);
int acpi_avoid(ACPI_HANDLE handle);
int acpi_disabled(char *subsys);
int acpi_get_acpi_device_path(device_t bus, device_t child,
const char *locator, struct sbuf *sb);
int acpi_machdep_init(device_t dev);
void acpi_install_wakeup_handler(struct acpi_softc *sc);
int acpi_sleep_machdep(struct acpi_softc *sc, int state);
int acpi_wakeup_machdep(struct acpi_softc *sc, int state,
int sleep_result, int intr_enabled);
int acpi_table_quirks(int *quirks);
int acpi_machdep_quirks(int *quirks);
int acpi_pnpinfo(ACPI_HANDLE handle, struct sbuf *sb);
uint32_t hpet_get_uid(device_t dev);
/* Battery Abstraction. */
struct acpi_battinfo;
int acpi_battery_register(device_t dev);
int acpi_battery_remove(device_t dev);
int acpi_battery_get_units(void);
int acpi_battery_get_info_expire(void);
int acpi_battery_bst_valid(struct acpi_bst *bst);
int acpi_battery_bix_valid(struct acpi_bix *bix);
int acpi_battery_get_battinfo(device_t dev,
struct acpi_battinfo *info);
/* Embedded controller. */
void acpi_ec_ecdt_probe(device_t);
/* AC adapter interface. */
int acpi_acad_get_acline(int *);
/* Package manipulation convenience functions. */
#define ACPI_PKG_VALID(pkg, size) \
((pkg) != NULL && (pkg)->Type == ACPI_TYPE_PACKAGE && \
(pkg)->Package.Count >= (size))
#define ACPI_PKG_VALID_EQ(pkg, size) \
((pkg) != NULL && (pkg)->Type == ACPI_TYPE_PACKAGE && \
(pkg)->Package.Count == (size))
int acpi_PkgInt(ACPI_OBJECT *res, int idx, UINT64 *dst);
int acpi_PkgInt32(ACPI_OBJECT *res, int idx, uint32_t *dst);
int acpi_PkgInt16(ACPI_OBJECT *res, int idx, uint16_t *dst);
int acpi_PkgStr(ACPI_OBJECT *res, int idx, void *dst, size_t size);
int acpi_PkgGas(device_t dev, ACPI_OBJECT *res, int idx, int *type,
int *rid, struct resource **dst, u_int flags);
int acpi_PkgFFH_IntelCpu(ACPI_OBJECT *res, int idx, int *vendor,
int *class, uint64_t *address, int *accsize);
ACPI_HANDLE acpi_GetReference(ACPI_HANDLE scope, ACPI_OBJECT *obj);
/*
* Base level for BUS_ADD_CHILD. Special devices are added at orders less
* than this, and normal devices at or above this level. This keeps the
* probe order sorted so that things like sysresource are available before
* their children need them.
*/
#define ACPI_DEV_BASE_ORDER 100
/* Default maximum number of tasks to enqueue. */
#ifndef ACPI_MAX_TASKS
#define ACPI_MAX_TASKS MAX(32, MAXCPU * 4)
#endif
/* Default number of task queue threads to start. */
#ifndef ACPI_MAX_THREADS
#define ACPI_MAX_THREADS 3
#endif
/* Use the device logging level for ktr(4). */
#define KTR_ACPI KTR_DEV
SYSCTL_DECL(_debug_acpi);
/*
* Parse and use proximity information in SRAT and SLIT.
*/
int acpi_pxm_init(int ncpus, vm_paddr_t maxphys);
void acpi_pxm_parse_tables(void);
void acpi_pxm_set_mem_locality(void);
void acpi_pxm_set_cpu_locality(void);
int acpi_pxm_get_cpu_locality(int apic_id);
/*
* Map a PXM to a VM domain.
*
* Returns the VM domain ID if found, or -1 if not found / invalid.
*/
int acpi_map_pxm_to_vm_domainid(int pxm);
bus_get_cpus_t acpi_get_cpus;
bus_get_domain_t acpi_get_domain;
#ifdef __aarch64__
/*
* ARM specific ACPI interfaces, relating to IORT table.
*/
int acpi_iort_map_pci_msi(u_int seg, u_int rid, u_int *xref, u_int *devid);
int acpi_iort_map_pci_smmuv3(u_int seg, u_int rid, u_int *xref, u_int *devid);
int acpi_iort_its_lookup(u_int its_id, u_int *xref, int *pxm);
int acpi_iort_map_named_msi(const char *devname, u_int rid, u_int *xref,
u_int *devid);
int acpi_iort_map_named_smmuv3(const char *devname, u_int rid, u_int *xref,
u_int *devid);
#endif
#endif /* _KERNEL */
#endif /* !_ACPIVAR_H_ */
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