osi.h File Reference

#include <uacpi/types.h>
#include <uacpi/status.h>

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Typedefs
typedef enum uacpi_vendor_interface	uacpi_vendor_interface
typedef enum uacpi_interface_kind	uacpi_interface_kind
typedef enum uacpi_host_interface	uacpi_host_interface
typedef uacpi_bool(*	uacpi_interface_handler) (const uacpi_char *name, uacpi_bool supported)
typedef enum uacpi_interface_action	uacpi_interface_action

Enumerations
enum	uacpi_vendor_interface {   UACPI_VENDOR_INTERFACE_NONE = 0 , UACPI_VENDOR_INTERFACE_WINDOWS_2000 , UACPI_VENDOR_INTERFACE_WINDOWS_XP , UACPI_VENDOR_INTERFACE_WINDOWS_XP_SP1 ,   UACPI_VENDOR_INTERFACE_WINDOWS_SERVER_2003 , UACPI_VENDOR_INTERFACE_WINDOWS_XP_SP2 , UACPI_VENDOR_INTERFACE_WINDOWS_SERVER_2003_SP1 , UACPI_VENDOR_INTERFACE_WINDOWS_VISTA ,   UACPI_VENDOR_INTERFACE_WINDOWS_SERVER_2008 , UACPI_VENDOR_INTERFACE_WINDOWS_VISTA_SP1 , UACPI_VENDOR_INTERFACE_WINDOWS_VISTA_SP2 , UACPI_VENDOR_INTERFACE_WINDOWS_7 ,   UACPI_VENDOR_INTERFACE_WINDOWS_8 , UACPI_VENDOR_INTERFACE_WINDOWS_8_1 , UACPI_VENDOR_INTERFACE_WINDOWS_10 , UACPI_VENDOR_INTERFACE_WINDOWS_10_RS1 ,   UACPI_VENDOR_INTERFACE_WINDOWS_10_RS2 , UACPI_VENDOR_INTERFACE_WINDOWS_10_RS3 , UACPI_VENDOR_INTERFACE_WINDOWS_10_RS4 , UACPI_VENDOR_INTERFACE_WINDOWS_10_RS5 ,   UACPI_VENDOR_INTERFACE_WINDOWS_10_19H1 , UACPI_VENDOR_INTERFACE_WINDOWS_10_20H1 , UACPI_VENDOR_INTERFACE_WINDOWS_11 , UACPI_VENDOR_INTERFACE_WINDOWS_11_22H2 }
enum	uacpi_interface_kind { UACPI_INTERFACE_KIND_VENDOR = (1 << 0) , UACPI_INTERFACE_KIND_FEATURE = (1 << 1) , UACPI_INTERFACE_KIND_ALL }
enum	uacpi_host_interface {   UACPI_HOST_INTERFACE_MODULE_DEVICE = 1 , UACPI_HOST_INTERFACE_PROCESSOR_DEVICE , UACPI_HOST_INTERFACE_3_0_THERMAL_MODEL , UACPI_HOST_INTERFACE_3_0_SCP_EXTENSIONS ,   UACPI_HOST_INTERFACE_PROCESSOR_AGGREGATOR_DEVICE }
enum	uacpi_interface_action { UACPI_INTERFACE_ACTION_DISABLE = 0 , UACPI_INTERFACE_ACTION_ENABLE }

Functions
uacpi_vendor_interface	uacpi_latest_queried_vendor_interface (void)
uacpi_status	uacpi_install_interface (const uacpi_char *name, uacpi_interface_kind)
uacpi_status	uacpi_uninstall_interface (const uacpi_char *name)
uacpi_status	uacpi_enable_host_interface (uacpi_host_interface)
uacpi_status	uacpi_disable_host_interface (uacpi_host_interface)
uacpi_status	uacpi_set_interface_query_handler (uacpi_interface_handler)
uacpi_status	uacpi_bulk_configure_interfaces (uacpi_interface_action action, uacpi_interface_kind kind)

Typedef Documentation

uacpi_host_interface

typedef enum uacpi_host_interface uacpi_host_interface

uacpi_interface_action

typedef enum uacpi_interface_action uacpi_interface_action

uacpi_interface_handler

typedef uacpi_bool(* uacpi_interface_handler) (const uacpi_char *name, uacpi_bool supported)

Definition at line 88 of file osi.h.

uacpi_interface_kind

typedef enum uacpi_interface_kind uacpi_interface_kind

uacpi_vendor_interface

typedef enum uacpi_vendor_interface uacpi_vendor_interface

Enumeration Type Documentation

uacpi_host_interface

enum uacpi_host_interface

Enumerator
UACPI_HOST_INTERFACE_MODULE_DEVICE
UACPI_HOST_INTERFACE_PROCESSOR_DEVICE
UACPI_HOST_INTERFACE_3_0_THERMAL_MODEL
UACPI_HOST_INTERFACE_3_0_SCP_EXTENSIONS
UACPI_HOST_INTERFACE_PROCESSOR_AGGREGATOR_DEVICE

Definition at line 72 of file osi.h.

                                  {
    UACPI_HOST_INTERFACE_MODULE_DEVICE = 1,
    UACPI_HOST_INTERFACE_PROCESSOR_DEVICE,
    UACPI_HOST_INTERFACE_3_0_THERMAL_MODEL,
    UACPI_HOST_INTERFACE_3_0_SCP_EXTENSIONS,
    UACPI_HOST_INTERFACE_PROCESSOR_AGGREGATOR_DEVICE,
} uacpi_host_interface;

uacpi_interface_action

enum uacpi_interface_action

Enumerator
UACPI_INTERFACE_ACTION_DISABLE
UACPI_INTERFACE_ACTION_ENABLE

Definition at line 102 of file osi.h.

                                    {
    UACPI_INTERFACE_ACTION_DISABLE = 0,
    UACPI_INTERFACE_ACTION_ENABLE,
} uacpi_interface_action;

uacpi_interface_kind

enum uacpi_interface_kind

Enumerator
UACPI_INTERFACE_KIND_VENDOR
UACPI_INTERFACE_KIND_FEATURE
UACPI_INTERFACE_KIND_ALL

Definition at line 52 of file osi.h.

                                  {
    UACPI_INTERFACE_KIND_VENDOR = (1 << 0),
    UACPI_INTERFACE_KIND_FEATURE = (1 << 1),
    UACPI_INTERFACE_KIND_ALL = UACPI_INTERFACE_KIND_VENDOR |
                               UACPI_INTERFACE_KIND_FEATURE,
} uacpi_interface_kind;

uacpi_vendor_interface

enum uacpi_vendor_interface

Enumerator
UACPI_VENDOR_INTERFACE_NONE
UACPI_VENDOR_INTERFACE_WINDOWS_2000
UACPI_VENDOR_INTERFACE_WINDOWS_XP
UACPI_VENDOR_INTERFACE_WINDOWS_XP_SP1
UACPI_VENDOR_INTERFACE_WINDOWS_SERVER_2003
UACPI_VENDOR_INTERFACE_WINDOWS_XP_SP2
UACPI_VENDOR_INTERFACE_WINDOWS_SERVER_2003_SP1
UACPI_VENDOR_INTERFACE_WINDOWS_VISTA
UACPI_VENDOR_INTERFACE_WINDOWS_SERVER_2008
UACPI_VENDOR_INTERFACE_WINDOWS_VISTA_SP1
UACPI_VENDOR_INTERFACE_WINDOWS_VISTA_SP2
UACPI_VENDOR_INTERFACE_WINDOWS_7
UACPI_VENDOR_INTERFACE_WINDOWS_8
UACPI_VENDOR_INTERFACE_WINDOWS_8_1
UACPI_VENDOR_INTERFACE_WINDOWS_10
UACPI_VENDOR_INTERFACE_WINDOWS_10_RS1
UACPI_VENDOR_INTERFACE_WINDOWS_10_RS2
UACPI_VENDOR_INTERFACE_WINDOWS_10_RS3
UACPI_VENDOR_INTERFACE_WINDOWS_10_RS4
UACPI_VENDOR_INTERFACE_WINDOWS_10_RS5
UACPI_VENDOR_INTERFACE_WINDOWS_10_19H1
UACPI_VENDOR_INTERFACE_WINDOWS_10_20H1
UACPI_VENDOR_INTERFACE_WINDOWS_11
UACPI_VENDOR_INTERFACE_WINDOWS_11_22H2

Definition at line 12 of file osi.h.

                                    {
    UACPI_VENDOR_INTERFACE_NONE = 0,
    UACPI_VENDOR_INTERFACE_WINDOWS_2000,
    UACPI_VENDOR_INTERFACE_WINDOWS_XP,
    UACPI_VENDOR_INTERFACE_WINDOWS_XP_SP1,
    UACPI_VENDOR_INTERFACE_WINDOWS_SERVER_2003,
    UACPI_VENDOR_INTERFACE_WINDOWS_XP_SP2,
    UACPI_VENDOR_INTERFACE_WINDOWS_SERVER_2003_SP1,
    UACPI_VENDOR_INTERFACE_WINDOWS_VISTA,
    UACPI_VENDOR_INTERFACE_WINDOWS_SERVER_2008,
    UACPI_VENDOR_INTERFACE_WINDOWS_VISTA_SP1,
    UACPI_VENDOR_INTERFACE_WINDOWS_VISTA_SP2,
    UACPI_VENDOR_INTERFACE_WINDOWS_7,
    UACPI_VENDOR_INTERFACE_WINDOWS_8,
    UACPI_VENDOR_INTERFACE_WINDOWS_8_1,
    UACPI_VENDOR_INTERFACE_WINDOWS_10,
    UACPI_VENDOR_INTERFACE_WINDOWS_10_RS1,
    UACPI_VENDOR_INTERFACE_WINDOWS_10_RS2,
    UACPI_VENDOR_INTERFACE_WINDOWS_10_RS3,
    UACPI_VENDOR_INTERFACE_WINDOWS_10_RS4,
    UACPI_VENDOR_INTERFACE_WINDOWS_10_RS5,
    UACPI_VENDOR_INTERFACE_WINDOWS_10_19H1,
    UACPI_VENDOR_INTERFACE_WINDOWS_10_20H1,
    UACPI_VENDOR_INTERFACE_WINDOWS_11,
    UACPI_VENDOR_INTERFACE_WINDOWS_11_22H2,
} uacpi_vendor_interface;

Function Documentation

uacpi_bulk_configure_interfaces()

uacpi_status uacpi_bulk_configure_interfaces	(	uacpi_interface_action	action,
		uacpi_interface_kind	kind
	)

Definition at line 337 of file osi.c.

{
    uacpi_status ret;
    struct registered_interface *interface;
 
    UACPI_ENSURE_INIT_LEVEL_AT_LEAST(UACPI_INIT_LEVEL_SUBSYSTEM_INITIALIZED);
 
    ret = uacpi_acquire_native_mutex(interface_mutex);
    if (uacpi_unlikely_error(ret))
        return ret;
 
    interface = registered_interfaces;
    while (interface) {
        if (kind & interface->kind)
            interface->disabled = (action == UACPI_INTERFACE_ACTION_DISABLE);
 
        interface = interface->next;
    }
 
    uacpi_release_native_mutex(interface_mutex);
    return ret;
}

uacpi_disable_host_interface()

uacpi_status uacpi_disable_host_interface

(

uacpi_host_interface

type

)

Definition at line 309 of file osi.c.

{
    return configure_host_interface(type, UACPI_FALSE);
}

uacpi_enable_host_interface()

uacpi_status uacpi_enable_host_interface

(

uacpi_host_interface

type

)

Definition at line 304 of file osi.c.

{
    return configure_host_interface(type, UACPI_TRUE);
}

uacpi_install_interface()

uacpi_status uacpi_install_interface	(	const uacpi_char *	name,
		uacpi_interface_kind	kind
	)

Definition at line 173 of file osi.c.

{
    struct registered_interface *interface;
    uacpi_status ret;
    uacpi_char *name_copy;
    uacpi_size name_size;
 
    UACPI_ENSURE_INIT_LEVEL_AT_LEAST(UACPI_INIT_LEVEL_SUBSYSTEM_INITIALIZED);
 
    ret = uacpi_acquire_native_mutex(interface_mutex);
    if (uacpi_unlikely_error(ret))
        return ret;
 
    interface = find_interface_unlocked(name);
    if (interface != UACPI_NULL) {
        if (interface->disabled)
            interface->disabled = UACPI_FALSE;
 
        ret = UACPI_STATUS_ALREADY_EXISTS;
        goto out;
    }
 
    interface = uacpi_kernel_alloc(sizeof(*interface));
    if (uacpi_unlikely(interface == UACPI_NULL)) {
        ret = UACPI_STATUS_OUT_OF_MEMORY;
        goto out;
    }
 
    name_size = uacpi_strlen(name) + 1;
    name_copy = uacpi_kernel_alloc(name_size);
    if (uacpi_unlikely(name_copy == UACPI_NULL)) {
        uacpi_free(interface, sizeof(*interface));
        ret = UACPI_STATUS_OUT_OF_MEMORY;
        goto out;
    }
 
    uacpi_memcpy(name_copy, name, name_size);
    interface->name = name_copy;
    interface->weight = 0;
    interface->kind = kind;
    interface->host_type = 0;
    interface->disabled = 0;
    interface->dynamic = 1;
    interface->next = registered_interfaces;
    registered_interfaces = interface;
 
out:
    uacpi_release_native_mutex(interface_mutex);
    return ret;
}

uacpi_latest_queried_vendor_interface()

uacpi_vendor_interface uacpi_latest_queried_vendor_interface

(

void

)

Definition at line 136 of file osi.c.

{
    return uacpi_atomic_load32(&latest_queried_interface);
}

uacpi_set_interface_query_handler()

uacpi_status uacpi_set_interface_query_handler

(

uacpi_interface_handler

handler

)

Definition at line 314 of file osi.c.

{
    uacpi_status ret;
 
    UACPI_ENSURE_INIT_LEVEL_AT_LEAST(UACPI_INIT_LEVEL_SUBSYSTEM_INITIALIZED);
 
    ret = uacpi_acquire_native_mutex(interface_mutex);
    if (uacpi_unlikely_error(ret))
        return ret;
 
    if (interface_handler != UACPI_NULL && handler != UACPI_NULL) {
        ret = UACPI_STATUS_ALREADY_EXISTS;
        goto out;
    }
 
    interface_handler = handler;
out:
    uacpi_release_native_mutex(interface_mutex);
    return ret;
}

uacpi_uninstall_interface()

uacpi_status uacpi_uninstall_interface

(

const uacpi_char *

name

)

Definition at line 226 of file osi.c.

{
    struct registered_interface *cur, *prev;
    uacpi_status ret;
 
    UACPI_ENSURE_INIT_LEVEL_AT_LEAST(UACPI_INIT_LEVEL_SUBSYSTEM_INITIALIZED);
 
    ret = uacpi_acquire_native_mutex(interface_mutex);
    if (uacpi_unlikely_error(ret))
        return ret;
 
    cur = registered_interfaces;
    prev = cur;
 
    ret = UACPI_STATUS_NOT_FOUND;
    while (cur) {
        if (uacpi_strcmp(cur->name, name) != 0) {
            prev = cur;
            cur = cur->next;
            continue;
        }
 
        if (cur->dynamic) {
            if (prev == cur) {
                registered_interfaces = cur->next;
            } else {
                prev->next = cur->next;
            }
 
            uacpi_release_native_mutex(interface_mutex);
            uacpi_free_dynamic_string(cur->name);
            uacpi_free(cur, sizeof(*cur));
            return UACPI_STATUS_OK;
        }
 
        /*
         * If this interface was already disabled, pretend we didn't actually
         * find it and keep ret as UACPI_STATUS_NOT_FOUND. The fact that it's
         * still in the registered list is an implementation detail of
         * predefined interfaces.
         */
        if (!cur->disabled) {
            cur->disabled = UACPI_TRUE;
            ret = UACPI_STATUS_OK;
        }
 
        break;
    }
 
    uacpi_release_native_mutex(interface_mutex);
    return ret;
}