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ACPI updates for v4.14-rc1 

- Update the ACPICA code in the kernel to upstream revision 20170728
    including:
    * Alias operator handling update (Bob Moore).
    * Deferred resolution of reference package elements (Bob Moore).
    * Support for the _DMA method in walk resources (Bob Moore).
    * Tables handling update and support for deferred table
      verification (Lv Zheng).
    * Update of SMMU models for IORT (Robin Murphy).
    * Compiler and disassembler updates (Alex James, Erik Schmauss,
      Ganapatrao Kulkarni, James Morse).
    * Tools updates (Erik Schmauss, Lv Zheng).
    * Assorted minor fixes and cleanups (Bob Moore, Kees Cook,
      Lv Zheng, Shao Ming).
 
  - Rework the initialization of non-wakeup GPEs with method handlers
    in order to address a boot crash on some systems with Thunderbolt
    devices connected at boot time where we miss an early hotplug
    event due to a delay in GPE enabling (Rafael Wysocki).
 
  - Rework the handling of PCI bridges when setting up ACPI-based
    device wakeup in order to avoid disabling wakeup for bridges
    prematurely (Rafael Wysocki).
 
  - Consolidate Apple DMI checks throughout the tree, add support for
    Apple device properties to the device properties framework and
    use these properties for the handling of I2C and SPI devices on
    Apple systems (Lukas Wunner).
 
  - Add support for _DMA to the ACPI-based device properties lookup
    code and make it possible to use the information from there to
    configure DMA regions on ARM64 systems (Lorenzo Pieralisi).
 
  - Fix several issues in the APEI code, add support for exporting
    the BERT error region over sysfs and update APEI MAINTAINERS
    entry with reviewers information (Borislav Petkov, Dongjiu Geng,
    Loc Ho, Punit Agrawal, Tony Luck, Yazen Ghannam).
 
  - Fix a potential initialization ordering issue in the ACPI EC
    driver and clean it up somewhat (Lv Zheng).
 
  - Update the ACPI SPCR driver to extend the existing XGENE 8250
    workaround in it to a new platform (m400) and to work around
    an Xgene UART clock issue (Graeme Gregory).
 
  - Add a new utility function to the ACPI core to support using
    ACPI OEM ID / OEM Table ID / Revision for system identification
    in blacklisting or similar and switch over the existing code
    already using this information to this new interface (Toshi Kani).
 
  - Fix an xpower PMIC issue related to GPADC reads that always return
    0 without extra pin manipulations (Hans de Goede).
 
  - Add statements to print debug messages in a couple of places in
    the ACPI core for easier diagnostics (Rafael Wysocki).
 
  - Clean up the ACPI processor driver slightly (Colin Ian King,
    Hanjun Guo).
 
  - Clean up the ACPI x86 boot code somewhat (Andy Shevchenko).
 
  - Add a quirk for Dell OptiPlex 9020M to the ACPI backlight
    driver (Alex Hung).
 
  - Assorted fixes, cleanups and updates related to ACPI (Amitoj Kaur
    Chawla, Bhumika Goyal, Frank Rowand, Jean Delvare, Punit Agrawal,
    Ronald Tschalär, Sumeet Pawnikar).
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Merge tag 'acpi-4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI updates from Rafael Wysocki:
 "These include a usual ACPICA code update (this time to upstream
  revision 20170728), a fix for a boot crash on some systems with
  Thunderbolt devices connected at boot time, a rework of the handling
  of PCI bridges when setting up device wakeup, new support for Apple
  device properties, support for DMA configurations reported via ACPI on
  ARM64, APEI-related updates, ACPI EC driver updates and assorted minor
  modifications in several places.

  Specifics:

   - Update the ACPICA code in the kernel to upstream revision 20170728
     including:
      * Alias operator handling update (Bob Moore).
      * Deferred resolution of reference package elements (Bob Moore).
      * Support for the _DMA method in walk resources (Bob Moore).
      * Tables handling update and support for deferred table
        verification (Lv Zheng).
      * Update of SMMU models for IORT (Robin Murphy).
      * Compiler and disassembler updates (Alex James, Erik Schmauss,
        Ganapatrao Kulkarni, James Morse).
      * Tools updates (Erik Schmauss, Lv Zheng).
      * Assorted minor fixes and cleanups (Bob Moore, Kees Cook, Lv
        Zheng, Shao Ming).

   - Rework the initialization of non-wakeup GPEs with method handlers
     in order to address a boot crash on some systems with Thunderbolt
     devices connected at boot time where we miss an early hotplug event
     due to a delay in GPE enabling (Rafael Wysocki).

   - Rework the handling of PCI bridges when setting up ACPI-based
     device wakeup in order to avoid disabling wakeup for bridges
     prematurely (Rafael Wysocki).

   - Consolidate Apple DMI checks throughout the tree, add support for
     Apple device properties to the device properties framework and use
     these properties for the handling of I2C and SPI devices on Apple
     systems (Lukas Wunner).

   - Add support for _DMA to the ACPI-based device properties lookup
     code and make it possible to use the information from there to
     configure DMA regions on ARM64 systems (Lorenzo Pieralisi).

   - Fix several issues in the APEI code, add support for exporting the
     BERT error region over sysfs and update APEI MAINTAINERS entry with
     reviewers information (Borislav Petkov, Dongjiu Geng, Loc Ho, Punit
     Agrawal, Tony Luck, Yazen Ghannam).

   - Fix a potential initialization ordering issue in the ACPI EC driver
     and clean it up somewhat (Lv Zheng).

   - Update the ACPI SPCR driver to extend the existing XGENE 8250
     workaround in it to a new platform (m400) and to work around an
     Xgene UART clock issue (Graeme Gregory).

   - Add a new utility function to the ACPI core to support using ACPI
     OEM ID / OEM Table ID / Revision for system identification in
     blacklisting or similar and switch over the existing code already
     using this information to this new interface (Toshi Kani).

   - Fix an xpower PMIC issue related to GPADC reads that always return
     0 without extra pin manipulations (Hans de Goede).

   - Add statements to print debug messages in a couple of places in the
     ACPI core for easier diagnostics (Rafael Wysocki).

   - Clean up the ACPI processor driver slightly (Colin Ian King, Hanjun
     Guo).

   - Clean up the ACPI x86 boot code somewhat (Andy Shevchenko).

   - Add a quirk for Dell OptiPlex 9020M to the ACPI backlight driver
     (Alex Hung).

   - Assorted fixes, cleanups and updates related to ACPI (Amitoj Kaur
     Chawla, Bhumika Goyal, Frank Rowand, Jean Delvare, Punit Agrawal,
     Ronald Tschalär, Sumeet Pawnikar)"

* tag 'acpi-4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (75 commits)
  ACPI / APEI: Suppress message if HEST not present
  intel_pstate: convert to use acpi_match_platform_list()
  ACPI / blacklist: add acpi_match_platform_list()
  ACPI, APEI, EINJ: Subtract any matching Register Region from Trigger resources
  ACPI: make device_attribute const
  ACPI / sysfs: Extend ACPI sysfs to provide access to boot error region
  ACPI: APEI: fix the wrong iteration of generic error status block
  ACPI / processor: make function acpi_processor_check_duplicates() static
  ACPI / EC: Clean up EC GPE mask flag
  ACPI: EC: Fix possible issues related to EC initialization order
  ACPI / PM: Add debug statements to acpi_pm_notify_handler()
  ACPI: Add debug statements to acpi_global_event_handler()
  ACPI / scan: Enable GPEs before scanning the namespace
  ACPICA: Make it possible to enable runtime GPEs earlier
  ACPICA: Dispatch active GPEs at init time
  ACPI: SPCR: work around clock issue on xgene UART
  ACPI: SPCR: extend XGENE 8250 workaround to m400
  ACPI / LPSS: Don't abort ACPI scan on missing mem resource
  mailbox: pcc: Drop uninformative output during boot
  ACPI/IORT: Add IORT named component memory address limits
  ...
zero-colors
Linus Torvalds 2017-09-05 12:45:03 -07:00
parent 439644096c 298bd7fb26
commit 53ac64aac9
110 changed files with 2439 additions and 1046 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
MAINTAINERS
View File

@ -301,6 +301,7 @@ S: Supported
F: drivers/acpi/
F: drivers/pnp/pnpacpi/
F: include/linux/acpi.h
F: include/linux/fwnode.h
F: include/acpi/
F: Documentation/acpi/
F: Documentation/ABI/testing/sysfs-bus-acpi
@ -310,6 +311,14 @@ F: drivers/pci/*/*acpi*
F: drivers/pci/*/*/*acpi*
F: tools/power/acpi/
ACPI APEI
M: "Rafael J. Wysocki" <rjw@rjwysocki.net>
M: Len Brown <lenb@kernel.org>
L: linux-acpi@vger.kernel.org
R: Tony Luck <tony.luck@intel.com>
R: Borislav Petkov <bp@alien8.de>
F: drivers/acpi/apei/
ACPI COMPONENT ARCHITECTURE (ACPICA)
M: Robert Moore <robert.moore@intel.com>
M: Lv Zheng <lv.zheng@intel.com>

4
arch/arm64/kernel/acpi.c
View File

@ -95,7 +95,7 @@ static int __init dt_scan_depth1_nodes(unsigned long node,
* __acpi_map_table() will be called before page_init(), so early_ioremap()
* or early_memremap() should be called here to for ACPI table mapping.
*/
char *__init __acpi_map_table(unsigned long phys, unsigned long size)
void __init __iomem *__acpi_map_table(unsigned long phys, unsigned long size)
{
if (!size)
return NULL;
@ -103,7 +103,7 @@ char *__init __acpi_map_table(unsigned long phys, unsigned long size)
return early_memremap(phys, size);
}
void __init __acpi_unmap_table(char *map, unsigned long size)
void __init __acpi_unmap_table(void __iomem *map, unsigned long size)
{
if (!map || !size)
return;

6
arch/ia64/kernel/acpi.c
View File

@ -159,12 +159,12 @@ int acpi_request_vector(u32 int_type)
return vector;
}
char *__init __acpi_map_table(unsigned long phys_addr, unsigned long size)
void __init __iomem *__acpi_map_table(unsigned long phys, unsigned long size)
{
return __va(phys_addr);
return __va(phys);
}
void __init __acpi_unmap_table(char *map, unsigned long size)
void __init __acpi_unmap_table(void __iomem *map, unsigned long size)
{
}

1
arch/x86/include/asm/setup.h
View File

@ -39,6 +39,7 @@ static inline void vsmp_init(void) { }
#endif
void setup_bios_corruption_check(void);
void early_platform_quirks(void);
extern unsigned long saved_video_mode;

11
arch/x86/kernel/acpi/boot.c
View File

@ -118,7 +118,7 @@ static u32 isa_irq_to_gsi[NR_IRQS_LEGACY] __read_mostly = {
* This is just a simple wrapper around early_memremap(),
* with sanity checks for phys == 0 and size == 0.
*/
char *__init __acpi_map_table(unsigned long phys, unsigned long size)
void __init __iomem *__acpi_map_table(unsigned long phys, unsigned long size)
{
if (!phys || !size)
@ -127,7 +127,7 @@ char *__init __acpi_map_table(unsigned long phys, unsigned long size)
return early_memremap(phys, size);
}
void __init __acpi_unmap_table(char *map, unsigned long size)
void __init __acpi_unmap_table(void __iomem *map, unsigned long size)
{
if (!map || !size)
return;
@ -199,8 +199,10 @@ static int __init
acpi_parse_x2apic(struct acpi_subtable_header *header, const unsigned long end)
{
struct acpi_madt_local_x2apic *processor = NULL;
#ifdef CONFIG_X86_X2APIC
int apic_id;
u8 enabled;
#endif
processor = (struct acpi_madt_local_x2apic *)header;
@ -209,9 +211,10 @@ acpi_parse_x2apic(struct acpi_subtable_header *header, const unsigned long end)
acpi_table_print_madt_entry(header);
#ifdef CONFIG_X86_X2APIC
apic_id = processor->local_apic_id;
enabled = processor->lapic_flags & ACPI_MADT_ENABLED;
#ifdef CONFIG_X86_X2APIC
/*
* We need to register disabled CPU as well to permit
* counting disabled CPUs. This allows us to size
@ -1083,7 +1086,7 @@ static void __init mp_config_acpi_legacy_irqs(void)
mp_bus_id_to_type[MP_ISA_BUS] = MP_BUS_ISA;
#endif
set_bit(MP_ISA_BUS, mp_bus_not_pci);
pr_debug("Bus #%d is ISA\n", MP_ISA_BUS);
pr_debug("Bus #%d is ISA (nIRQs: %d)\n", MP_ISA_BUS, nr_legacy_irqs());
/*
* Use the default configuration for the IRQs 0-15. Unless

4
arch/x86/kernel/early-quirks.c
View File

@ -12,10 +12,10 @@
#include <linux/pci.h>
#include <linux/acpi.h>
#include <linux/delay.h>
#include <linux/dmi.h>
#include <linux/pci_ids.h>
#include <linux/bcma/bcma.h>
#include <linux/bcma/bcma_regs.h>
#include <linux/platform_data/x86/apple.h>
#include <drm/i915_drm.h>
#include <asm/pci-direct.h>
#include <asm/dma.h>
@ -594,7 +594,7 @@ static void __init apple_airport_reset(int bus, int slot, int func)
u64 addr;
int i;
if (!dmi_match(DMI_SYS_VENDOR, "Apple Inc."))
if (!x86_apple_machine)
return;
/* Card may have been put into PCI_D3hot by grub quirk */

10
arch/x86/kernel/quirks.c
View File

@ -1,6 +1,7 @@
/*
* This file contains work-arounds for x86 and x86_64 platform bugs.
*/
#include <linux/dmi.h>
#include <linux/pci.h>
#include <linux/irq.h>
@ -656,3 +657,12 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6fc0, quirk_intel_brickland_xeon_
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x2083, quirk_intel_purley_xeon_ras_cap);
#endif
#endif
bool x86_apple_machine;
EXPORT_SYMBOL(x86_apple_machine);
void __init early_platform_quirks(void)
{
x86_apple_machine = dmi_match(DMI_SYS_VENDOR, "Apple Inc.") ||
dmi_match(DMI_SYS_VENDOR, "Apple Computer, Inc.");
}

2
arch/x86/kernel/setup.c
View File

@ -1216,6 +1216,8 @@ void __init setup_arch(char **cmdline_p)
io_delay_init();
early_platform_quirks();
/*
* Parse the ACPI tables for possible boot-time SMP configuration.
*/

1
drivers/acpi/Makefile
View File

@ -50,6 +50,7 @@ acpi-$(CONFIG_ACPI_REDUCED_HARDWARE_ONLY) += evged.o
acpi-y += sysfs.o
acpi-y += property.o
acpi-$(CONFIG_X86) += acpi_cmos_rtc.o
acpi-$(CONFIG_X86) += x86/apple.o
acpi-$(CONFIG_X86) += x86/utils.o
acpi-$(CONFIG_DEBUG_FS) += debugfs.o
acpi-$(CONFIG_ACPI_NUMA) += numa.o

6
drivers/acpi/acpi_lpat.c
View File

@ -25,7 +25,7 @@
* @raw: the raw value, used as a key to get the temerature from the
* above mapping table
*
* A positive converted temperarure value will be returned on success,
* A positive converted temperature value will be returned on success,
* a negative errno will be returned in error cases.
*/
int acpi_lpat_raw_to_temp(struct acpi_lpat_conversion_table *lpat_table,
@ -55,11 +55,11 @@ EXPORT_SYMBOL_GPL(acpi_lpat_raw_to_temp);
* acpi_lpat_temp_to_raw(): Return raw value from temperature through
* LPAT conversion table
*
* @lpat: the temperature_raw mapping table
* @lpat_table: the temperature_raw mapping table
* @temp: the temperature, used as a key to get the raw value from the
* above mapping table
*
* A positive converted temperature value will be returned on success,
* The raw value will be returned on success,
* a negative errno will be returned in error cases.
*/
int acpi_lpat_temp_to_raw(struct acpi_lpat_conversion_table *lpat_table,

3
drivers/acpi/acpi_lpss.c
View File

@ -465,7 +465,8 @@ static int acpi_lpss_create_device(struct acpi_device *adev,
acpi_dev_free_resource_list(&resource_list);
if (!pdata->mmio_base) {
ret = -ENOMEM;
/* Skip the device, but continue the namespace scan. */
ret = 0;
goto err_out;
}

2
drivers/acpi/acpi_processor.c
View File

@ -670,7 +670,7 @@ err:
}
void __init acpi_processor_check_duplicates(void)
static void __init acpi_processor_check_duplicates(void)
{
/* check the correctness for all processors in ACPI namespace */
acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,

1
drivers/acpi/acpica/Makefile
View File

@ -18,6 +18,7 @@ acpi-y := \
dsmthdat.o \
dsobject.o \
dsopcode.o \
dspkginit.o \
dsutils.o \
dswexec.o \
dswload.o \

2
drivers/acpi/acpica/acapps.h
View File

@ -114,6 +114,8 @@ ac_get_all_tables_from_file(char *filename,
u8 get_only_aml_tables,
struct acpi_new_table_desc **return_list_head);
void ac_delete_table_list(struct acpi_new_table_desc *list_head);
u8 ac_is_file_binary(FILE * file);
acpi_status ac_validate_table_header(FILE * file, long table_offset);

13
drivers/acpi/acpica/acdispat.h
View File

@ -237,6 +237,11 @@ acpi_ds_initialize_objects(u32 table_index,
* dsobject - Parser/Interpreter interface - object initialization and conversion
*/
acpi_status
acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
union acpi_parse_object *op,
union acpi_operand_object **obj_desc_ptr);
acpi_status
acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
union acpi_parse_object *op,
u32 buffer_length,
@ -258,6 +263,14 @@ acpi_ds_create_node(struct acpi_walk_state *walk_state,
struct acpi_namespace_node *node,
union acpi_parse_object *op);
/*
* dspkginit - Package object initialization
*/
acpi_status
acpi_ds_init_package_element(u8 object_type,
union acpi_operand_object *source_object,
union acpi_generic_state *state, void *context);
/*
* dsutils - Parser/Interpreter interface utility routines
*/

7
drivers/acpi/acpica/aclocal.h
View File

@ -199,6 +199,7 @@ struct acpi_namespace_node {
#define ANOBJ_EVALUATED 0x20 /* Set on first evaluation of node */
#define ANOBJ_ALLOCATED_BUFFER 0x40 /* Method AML buffer is dynamic (install_method) */
#define IMPLICIT_EXTERNAL 0x02 /* iASL only: This object created implicitly via External */
#define ANOBJ_IS_EXTERNAL 0x08 /* iASL only: This object created via External() */
#define ANOBJ_METHOD_NO_RETVAL 0x10 /* iASL only: Method has no return value */
#define ANOBJ_METHOD_SOME_NO_RETVAL 0x20 /* iASL only: Method has at least one return value */
@ -604,7 +605,7 @@ struct acpi_update_state {
* Pkg state - used to traverse nested package structures
*/
struct acpi_pkg_state {
ACPI_STATE_COMMON u16 index;
ACPI_STATE_COMMON u32 index;
union acpi_operand_object *source_object;
union acpi_operand_object *dest_object;
struct acpi_walk_state *walk_state;
@ -867,7 +868,7 @@ struct acpi_parse_obj_named {
/* This version is used by the iASL compiler only */
#define ACPI_MAX_PARSEOP_NAME 20
#define ACPI_MAX_PARSEOP_NAME 20
struct acpi_parse_obj_asl {
ACPI_PARSE_COMMON union acpi_parse_object *child;
@ -907,7 +908,7 @@ union acpi_parse_object {
struct asl_comment_state {
u8 comment_type;
u32 spaces_before;
union acpi_parse_object *latest_parse_node;
union acpi_parse_object *latest_parse_op;
union acpi_parse_object *parsing_paren_brace_node;
u8 capture_comments;
};

15
drivers/acpi/acpica/acobject.h
View File

@ -122,7 +122,9 @@ struct acpi_object_integer {
_type *pointer; \
u32 length;
struct acpi_object_string { /* Null terminated, ASCII characters only */
/* Null terminated, ASCII characters only */
struct acpi_object_string {
ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_BUFFER_INFO(char) /* String in AML stream or allocated string */
};
@ -211,7 +213,9 @@ struct acpi_object_method {
union acpi_operand_object *notify_list[2]; /* Handlers for system/device notifies */\
union acpi_operand_object *handler; /* Handler for Address space */
struct acpi_object_notify_common { /* COMMON NOTIFY for POWER, PROCESSOR, DEVICE, and THERMAL */
/* COMMON NOTIFY for POWER, PROCESSOR, DEVICE, and THERMAL */
struct acpi_object_notify_common {
ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_NOTIFY_INFO};
struct acpi_object_device {
@ -258,7 +262,9 @@ ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_NOTIFY_INFO};
u8 access_length; /* For serial regions/fields */
struct acpi_object_field_common { /* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */
/* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */
struct acpi_object_field_common {
ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO union acpi_operand_object *region_obj; /* Parent Operation Region object (REGION/BANK fields only) */
};
@ -333,11 +339,12 @@ struct acpi_object_addr_handler {
struct acpi_object_reference {
ACPI_OBJECT_COMMON_HEADER u8 class; /* Reference Class */
u8 target_type; /* Used for Index Op */
u8 reserved;
u8 resolved; /* Reference has been resolved to a value */
void *object; /* name_op=>HANDLE to obj, index_op=>union acpi_operand_object */
struct acpi_namespace_node *node; /* ref_of or Namepath */
union acpi_operand_object **where; /* Target of Index */
u8 *index_pointer; /* Used for Buffers and Strings */
u8 *aml; /* Used for deferred resolution of the ref */
u32 value; /* Used for Local/Arg/Index/ddb_handle */
};

5
drivers/acpi/acpica/actables.h
View File

@ -76,7 +76,8 @@ void acpi_tb_release_temp_table(struct acpi_table_desc *table_desc);
acpi_status acpi_tb_validate_temp_table(struct acpi_table_desc *table_desc);
acpi_status
acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc, char *signature);
acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc,
char *signature, u32 *table_index);
u8 acpi_tb_is_table_loaded(u32 table_index);
@ -132,6 +133,8 @@ acpi_tb_install_and_load_table(acpi_physical_address address,
acpi_status acpi_tb_unload_table(u32 table_index);
void acpi_tb_notify_table(u32 event, void *table);
void acpi_tb_terminate(void);
acpi_status acpi_tb_delete_namespace_by_owner(u32 table_index);

9
drivers/acpi/acpica/acutils.h
View File

@ -516,7 +516,7 @@ union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
void *external_object,
u16 index);
u32 index);
acpi_status
acpi_ut_create_update_state_and_push(union acpi_operand_object *object,
@ -538,6 +538,13 @@ acpi_status
acpi_ut_short_divide(u64 in_dividend,
u32 divisor, u64 *out_quotient, u32 *out_remainder);
acpi_status
acpi_ut_short_multiply(u64 in_multiplicand, u32 multiplier, u64 *outproduct);
acpi_status acpi_ut_short_shift_left(u64 operand, u32 count, u64 *out_result);
acpi_status acpi_ut_short_shift_right(u64 operand, u32 count, u64 *out_result);
/*
* utmisc
*/

37
drivers/acpi/acpica/dbdisply.c
View File

@ -310,7 +310,7 @@ dump_node:
}
else {
acpi_os_printf("Object (%p) Pathname: %s\n",
acpi_os_printf("Object %p: Namespace Node - Pathname: %s\n",
node, (char *)ret_buf.pointer);
}
@ -326,7 +326,7 @@ dump_node:
obj_desc = acpi_ns_get_attached_object(node);
if (obj_desc) {
acpi_os_printf("\nAttached Object (%p):\n", obj_desc);
acpi_os_printf("\nAttached Object %p:", obj_desc);
if (!acpi_os_readable
(obj_desc, sizeof(union acpi_operand_object))) {
acpi_os_printf
@ -335,9 +335,36 @@ dump_node:
return;
}
acpi_ut_debug_dump_buffer((void *)obj_desc,
sizeof(union acpi_operand_object),
display, ACPI_UINT32_MAX);
if (ACPI_GET_DESCRIPTOR_TYPE(((struct acpi_namespace_node *)
obj_desc)) ==
ACPI_DESC_TYPE_NAMED) {
acpi_os_printf(" Namespace Node - ");
status =
acpi_get_name((struct acpi_namespace_node *)
obj_desc,
ACPI_FULL_PATHNAME_NO_TRAILING,
&ret_buf);
if (ACPI_FAILURE(status)) {
acpi_os_printf
("Could not convert name to pathname\n");
} else {
acpi_os_printf("Pathname: %s",
(char *)ret_buf.pointer);
}
acpi_os_printf("\n");
acpi_ut_debug_dump_buffer((void *)obj_desc,
sizeof(struct
acpi_namespace_node),
display, ACPI_UINT32_MAX);
} else {
acpi_os_printf("\n");
acpi_ut_debug_dump_buffer((void *)obj_desc,
sizeof(union
acpi_operand_object),
display, ACPI_UINT32_MAX);
}
acpi_ex_dump_object_descriptor(obj_desc, 1);
}
}

2
drivers/acpi/acpica/dsfield.c
View File

@ -184,6 +184,7 @@ acpi_ds_create_buffer_field(union acpi_parse_object *op,
/* Execute flag should always be set when this function is entered */
if (!(walk_state->parse_flags & ACPI_PARSE_EXECUTE)) {
ACPI_ERROR((AE_INFO, "Parse execute mode is not set"));
return_ACPI_STATUS(AE_AML_INTERNAL);
}
@ -556,6 +557,7 @@ acpi_ds_init_field_objects(union acpi_parse_object *op,
return_ACPI_STATUS(AE_OK);
}
ACPI_ERROR((AE_INFO, "Parse deferred mode is not set"));
return_ACPI_STATUS(AE_AML_INTERNAL);
}

396
drivers/acpi/acpica/dsobject.c
View File

@ -52,12 +52,6 @@
#define _COMPONENT ACPI_DISPATCHER
ACPI_MODULE_NAME("dsobject")
/* Local prototypes */
static acpi_status
acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
union acpi_parse_object *op,
union acpi_operand_object **obj_desc_ptr);
#ifndef ACPI_NO_METHOD_EXECUTION
/*******************************************************************************
*
@ -73,15 +67,13 @@ acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
* Simple objects are any objects other than a package object!
*
******************************************************************************/
static acpi_status
acpi_status
acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
union acpi_parse_object *op,
union acpi_operand_object **obj_desc_ptr)
{
union acpi_operand_object *obj_desc;
acpi_status status;
acpi_object_type type;
ACPI_FUNCTION_TRACE(ds_build_internal_object);
@ -89,140 +81,47 @@ acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
if (op->common.aml_opcode == AML_INT_NAMEPATH_OP) {
/*
* This is a named object reference. If this name was
* previously looked up in the namespace, it was stored in this op.
* Otherwise, go ahead and look it up now
* previously looked up in the namespace, it was stored in
* this op. Otherwise, go ahead and look it up now
*/
if (!op->common.node) {
status = acpi_ns_lookup(walk_state->scope_info,
op->common.value.string,
ACPI_TYPE_ANY,
ACPI_IMODE_EXECUTE,
ACPI_NS_SEARCH_PARENT |
ACPI_NS_DONT_OPEN_SCOPE, NULL,
ACPI_CAST_INDIRECT_PTR(struct
acpi_namespace_node,
&(op->
common.
node)));
if (ACPI_FAILURE(status)) {
/* Check if we are resolving a named reference within a package */
/* Check if we are resolving a named reference within a package */
if ((status == AE_NOT_FOUND)
&& (acpi_gbl_enable_interpreter_slack)
&&
((op->common.parent->common.aml_opcode ==
AML_PACKAGE_OP)
|| (op->common.parent->common.aml_opcode ==
AML_VARIABLE_PACKAGE_OP))) {
/*
* We didn't find the target and we are populating elements
* of a package - ignore if slack enabled. Some ASL code
* contains dangling invalid references in packages and
* expects that no exception will be issued. Leave the
* element as a null element. It cannot be used, but it
* can be overwritten by subsequent ASL code - this is
* typically the case.
*/
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Ignoring unresolved reference in package [%4.4s]\n",
walk_state->
scope_info->scope.
node->name.ascii));
return_ACPI_STATUS(AE_OK);
} else {
if ((op->common.parent->common.aml_opcode ==
AML_PACKAGE_OP)
|| (op->common.parent->common.aml_opcode ==
AML_VARIABLE_PACKAGE_OP)) {
/*
* We won't resolve package elements here, we will do this
* after all ACPI tables are loaded into the namespace. This
* behavior supports both forward references to named objects
* and external references to objects in other tables.
*/
goto create_new_object;
} else {
status = acpi_ns_lookup(walk_state->scope_info,
op->common.value.string,
ACPI_TYPE_ANY,
ACPI_IMODE_EXECUTE,
ACPI_NS_SEARCH_PARENT |
ACPI_NS_DONT_OPEN_SCOPE,
NULL,
ACPI_CAST_INDIRECT_PTR
(struct
acpi_namespace_node,
&(op->common.node)));
if (ACPI_FAILURE(status)) {
ACPI_ERROR_NAMESPACE(op->common.value.
string, status);
return_ACPI_STATUS(status);
}
return_ACPI_STATUS(status);
}
}
/* Special object resolution for elements of a package */
if ((op->common.parent->common.aml_opcode == AML_PACKAGE_OP) ||
(op->common.parent->common.aml_opcode ==
AML_VARIABLE_PACKAGE_OP)) {
/*
* Attempt to resolve the node to a value before we insert it into
* the package. If this is a reference to a common data type,
* resolve it immediately. According to the ACPI spec, package
* elements can only be "data objects" or method references.
* Attempt to resolve to an Integer, Buffer, String or Package.
* If cannot, return the named reference (for things like Devices,
* Methods, etc.) Buffer Fields and Fields will resolve to simple
* objects (int/buf/str/pkg).
*
* NOTE: References to things like Devices, Methods, Mutexes, etc.
* will remain as named references. This behavior is not described
* in the ACPI spec, but it appears to be an oversight.
*/
obj_desc =
ACPI_CAST_PTR(union acpi_operand_object,
op->common.node);
status =
acpi_ex_resolve_node_to_value(ACPI_CAST_INDIRECT_PTR
(struct
acpi_namespace_node,
&obj_desc),
walk_state);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/*
* Special handling for Alias objects. We need to setup the type
* and the Op->Common.Node to point to the Alias target. Note,
* Alias has at most one level of indirection internally.
*/
type = op->common.node->type;
if (type == ACPI_TYPE_LOCAL_ALIAS) {
type = obj_desc->common.type;
op->common.node =
ACPI_CAST_PTR(struct acpi_namespace_node,
op->common.node->object);
}
switch (type) {
/*
* For these types, we need the actual node, not the subobject.
* However, the subobject did not get an extra reference count above.
*
* TBD: should ex_resolve_node_to_value be changed to fix this?
*/
case ACPI_TYPE_DEVICE:
case ACPI_TYPE_THERMAL:
acpi_ut_add_reference(op->common.node->object);
/*lint -fallthrough */
/*
* For these types, we need the actual node, not the subobject.
* The subobject got an extra reference count in ex_resolve_node_to_value.
*/
case ACPI_TYPE_MUTEX:
case ACPI_TYPE_METHOD:
case ACPI_TYPE_POWER:
case ACPI_TYPE_PROCESSOR:
case ACPI_TYPE_EVENT:
case ACPI_TYPE_REGION:
/* We will create a reference object for these types below */
break;
default:
/*
* All other types - the node was resolved to an actual
* object, we are done.
*/
goto exit;
}
}
}
create_new_object:
/* Create and init a new internal ACPI object */
obj_desc = acpi_ut_create_internal_object((acpi_ps_get_opcode_info
@ -240,7 +139,27 @@ acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
return_ACPI_STATUS(status);
}
exit:
/*
* Handling for unresolved package reference elements.
* These are elements that are namepaths.
*/
if ((op->common.parent->common.aml_opcode == AML_PACKAGE_OP) ||
(op->common.parent->common.aml_opcode == AML_VARIABLE_PACKAGE_OP)) {
obj_desc->reference.resolved = TRUE;
if ((op->common.aml_opcode == AML_INT_NAMEPATH_OP) &&
!obj_desc->reference.node) {
/*
* Name was unresolved above.
* Get the prefix node for later lookup
*/
obj_desc->reference.node =
walk_state->scope_info->scope.node;
obj_desc->reference.aml = op->common.aml;
obj_desc->reference.resolved = FALSE;
}
}
*obj_desc_ptr = obj_desc;
return_ACPI_STATUS(status);
}
@ -349,200 +268,6 @@ acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ds_build_internal_package_obj
*
* PARAMETERS: walk_state - Current walk state
* op - Parser object to be translated
* element_count - Number of elements in the package - this is
* the num_elements argument to Package()
* obj_desc_ptr - Where the ACPI internal object is returned
*
* RETURN: Status
*
* DESCRIPTION: Translate a parser Op package object to the equivalent
* namespace object
*
* NOTE: The number of elements in the package will be always be the num_elements
* count, regardless of the number of elements in the package list. If
* num_elements is smaller, only that many package list elements are used.
* if num_elements is larger, the Package object is padded out with
* objects of type Uninitialized (as per ACPI spec.)
*
* Even though the ASL compilers do not allow num_elements to be smaller
* than the Package list length (for the fixed length package opcode), some
* BIOS code modifies the AML on the fly to adjust the num_elements, and
* this code compensates for that. This also provides compatibility with
* other AML interpreters.
*
******************************************************************************/
acpi_status
acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
union acpi_parse_object *op,
u32 element_count,
union acpi_operand_object **obj_desc_ptr)
{
union acpi_parse_object *arg;
union acpi_parse_object *parent;
union acpi_operand_object *obj_desc = NULL;
acpi_status status = AE_OK;
u32 i;
u16 index;
u16 reference_count;
ACPI_FUNCTION_TRACE(ds_build_internal_package_obj);
/* Find the parent of a possibly nested package */
parent = op->common.parent;
while ((parent->common.aml_opcode == AML_PACKAGE_OP) ||
(parent->common.aml_opcode == AML_VARIABLE_PACKAGE_OP)) {
parent = parent->common.parent;
}
/*
* If we are evaluating a Named package object "Name (xxxx, Package)",
* the package object already exists, otherwise it must be created.
*/
obj_desc = *obj_desc_ptr;
if (!obj_desc) {
obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_PACKAGE);
*obj_desc_ptr = obj_desc;
if (!obj_desc) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
obj_desc->package.node = parent->common.node;
}
/*
* Allocate the element array (array of pointers to the individual
* objects) based on the num_elements parameter. Add an extra pointer slot
* so that the list is always null terminated.
*/
obj_desc->package.elements = ACPI_ALLOCATE_ZEROED(((acpi_size)
element_count +
1) * sizeof(void *));
if (!obj_desc->package.elements) {
acpi_ut_delete_object_desc(obj_desc);
return_ACPI_STATUS(AE_NO_MEMORY);
}
obj_desc->package.count = element_count;
/*
* Initialize the elements of the package, up to the num_elements count.
* Package is automatically padded with uninitialized (NULL) elements
* if num_elements is greater than the package list length. Likewise,
* Package is truncated if num_elements is less than the list length.
*/
arg = op->common.value.arg;
arg = arg->common.next;
for (i = 0; arg && (i < element_count); i++) {
if (arg->common.aml_opcode == AML_INT_RETURN_VALUE_OP) {
if (arg->common.node->type == ACPI_TYPE_METHOD) {
/*
* A method reference "looks" to the parser to be a method
* invocation, so we special case it here
*/
arg->common.aml_opcode = AML_INT_NAMEPATH_OP;
status =
acpi_ds_build_internal_object(walk_state,
arg,
&obj_desc->
package.
elements[i]);
} else {
/* This package element is already built, just get it */
obj_desc->package.elements[i] =
ACPI_CAST_PTR(union acpi_operand_object,
arg->common.node);
}
} else {
status =
acpi_ds_build_internal_object(walk_state, arg,
&obj_desc->package.
elements[i]);
}
if (*obj_desc_ptr) {
/* Existing package, get existing reference count */
reference_count =
(*obj_desc_ptr)->common.reference_count;
if (reference_count > 1) {
/* Make new element ref count match original ref count */
for (index = 0; index < (reference_count - 1);
index++) {
acpi_ut_add_reference((obj_desc->
package.
elements[i]));
}
}
}
arg = arg->common.next;
}
/* Check for match between num_elements and actual length of package_list */
if (arg) {
/*
* num_elements was exhausted, but there are remaining elements in the
* package_list. Truncate the package to num_elements.
*
* Note: technically, this is an error, from ACPI spec: "It is an error
* for NumElements to be less than the number of elements in the
* PackageList". However, we just print a message and
* no exception is returned. This provides Windows compatibility. Some
* BIOSs will alter the num_elements on the fly, creating this type
* of ill-formed package object.
*/
while (arg) {
/*
* We must delete any package elements that were created earlier
* and are not going to be used because of the package truncation.
*/
if (arg->common.node) {
acpi_ut_remove_reference(ACPI_CAST_PTR
(union
acpi_operand_object,
arg->common.node));
arg->common.node = NULL;
}
/* Find out how many elements there really are */
i++;
arg = arg->common.next;
}
ACPI_INFO(("Actual Package length (%u) is larger than "
"NumElements field (%u), truncated",
i, element_count));
} else if (i < element_count) {
/*
* Arg list (elements) was exhausted, but we did not reach num_elements count.
* Note: this is not an error, the package is padded out with NULLs.
*/
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Package List length (%u) smaller than NumElements "
"count (%u), padded with null elements\n",
i, element_count));
}
obj_desc->package.flags |= AOPOBJ_DATA_VALID;
op->common.node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_desc);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ds_create_node
@ -662,11 +387,20 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
case ACPI_TYPE_PACKAGE:
/*
* Defer evaluation of Package term_arg operand
* Defer evaluation of Package term_arg operand and all
* package elements. (01/2017): We defer the element
* resolution to allow forward references from the package
* in order to provide compatibility with other ACPI
* implementations.
*/
obj_desc->package.node =
ACPI_CAST_PTR(struct acpi_namespace_node,
walk_state->operands[0]);
if (!op->named.data) {
return_ACPI_STATUS(AE_OK);
}
obj_desc->package.aml_start = op->named.data;
obj_desc->package.aml_length = op->named.length;
break;
@ -818,9 +552,11 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
/* Node was saved in Op */
obj_desc->reference.node = op->common.node;
obj_desc->reference.object =
op->common.node->object;
obj_desc->reference.class = ACPI_REFCLASS_NAME;
if (op->common.node) {
obj_desc->reference.object =
op->common.node->object;
}
break;
case AML_DEBUG_OP:

9
drivers/acpi/acpica/dsopcode.c
View File

@ -599,6 +599,15 @@ acpi_ds_eval_data_object_operands(struct acpi_walk_state *walk_state,
*/
walk_state->operand_index = walk_state->num_operands;
/* Ignore if child is not valid */
if (!op->common.value.arg) {
ACPI_ERROR((AE_INFO,
"Dispatch: Missing child while executing TermArg for %X",
op->common.aml_opcode));
return_ACPI_STATUS(AE_OK);
}
status = acpi_ds_create_operand(walk_state, op->common.value.arg, 1);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);

496
drivers/acpi/acpica/dspkginit.c 100644
View File

@ -0,0 +1,496 @@
/******************************************************************************
*
* Module Name: dspkginit - Completion of deferred package initialization
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2017, Intel Corp.
* 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,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
*/
#include <acpi/acpi.h>
#include "accommon.h"
#include "acnamesp.h"
#include "amlcode.h"
#include "acdispat.h"
#include "acinterp.h"
#define _COMPONENT ACPI_NAMESPACE
ACPI_MODULE_NAME("dspkginit")
/* Local prototypes */
static void
acpi_ds_resolve_package_element(union acpi_operand_object **element);
/*******************************************************************************
*
* FUNCTION: acpi_ds_build_internal_package_obj
*
* PARAMETERS: walk_state - Current walk state
* op - Parser object to be translated
* element_count - Number of elements in the package - this is
* the num_elements argument to Package()
* obj_desc_ptr - Where the ACPI internal object is returned
*
* RETURN: Status
*
* DESCRIPTION: Translate a parser Op package object to the equivalent
* namespace object
*
* NOTE: The number of elements in the package will be always be the num_elements
* count, regardless of the number of elements in the package list. If
* num_elements is smaller, only that many package list elements are used.
* if num_elements is larger, the Package object is padded out with
* objects of type Uninitialized (as per ACPI spec.)
*
* Even though the ASL compilers do not allow num_elements to be smaller
* than the Package list length (for the fixed length package opcode), some
* BIOS code modifies the AML on the fly to adjust the num_elements, and
* this code compensates for that. This also provides compatibility with
* other AML interpreters.
*
******************************************************************************/
acpi_status
acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
union acpi_parse_object *op,
u32 element_count,
union acpi_operand_object **obj_desc_ptr)
{
union acpi_parse_object *arg;
union acpi_parse_object *parent;
union acpi_operand_object *obj_desc = NULL;
acpi_status status = AE_OK;
u16 reference_count;
u32 index;
u32 i;
ACPI_FUNCTION_TRACE(ds_build_internal_package_obj);
/* Find the parent of a possibly nested package */
parent = op->common.parent;
while ((parent->common.aml_opcode == AML_PACKAGE_OP) ||
(parent->common.aml_opcode == AML_VARIABLE_PACKAGE_OP)) {
parent = parent->common.parent;
}
/*
* If we are evaluating a Named package object of the form:
* Name (xxxx, Package)
* the package object already exists, otherwise it must be created.
*/
obj_desc = *obj_desc_ptr;
if (!obj_desc) {
obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_PACKAGE);
*obj_desc_ptr = obj_desc;
if (!obj_desc) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
obj_desc->package.node = parent->common.node;
}
if (obj_desc->package.flags & AOPOBJ_DATA_VALID) { /* Just in case */
return_ACPI_STATUS(AE_OK);
}
/*
* Allocate the element array (array of pointers to the individual
* objects) based on the num_elements parameter. Add an extra pointer slot
* so that the list is always null terminated.
*/
obj_desc->package.elements = ACPI_ALLOCATE_ZEROED(((acpi_size)
element_count +
1) * sizeof(void *));
if (!obj_desc->package.elements) {
acpi_ut_delete_object_desc(obj_desc);
return_ACPI_STATUS(AE_NO_MEMORY);
}
obj_desc->package.count = element_count;
arg = op->common.value.arg;
arg = arg->common.next;
if (arg) {
obj_desc->package.flags |= AOPOBJ_DATA_VALID;
}
/*
* Initialize the elements of the package, up to the num_elements count.
* Package is automatically padded with uninitialized (NULL) elements
* if num_elements is greater than the package list length. Likewise,
* Package is truncated if num_elements is less than the list length.
*/
for (i = 0; arg && (i < element_count); i++) {
if (arg->common.aml_opcode == AML_INT_RETURN_VALUE_OP) {
if (arg->common.node->type == ACPI_TYPE_METHOD) {
/*
* A method reference "looks" to the parser to be a method
* invocation, so we special case it here
*/
arg->common.aml_opcode = AML_INT_NAMEPATH_OP;
status =
acpi_ds_build_internal_object(walk_state,
arg,
&obj_desc->
package.
elements[i]);
} else {
/* This package element is already built, just get it */
obj_desc->package.elements[i] =
ACPI_CAST_PTR(union acpi_operand_object,
arg->common.node);
}
} else {
status =
acpi_ds_build_internal_object(walk_state, arg,
&obj_desc->package.
elements[i]);
if (status == AE_NOT_FOUND) {
ACPI_ERROR((AE_INFO, "%-48s",
"****DS namepath not found"));
}
/*
* Initialize this package element. This function handles the
* resolution of named references within the package.
*/
acpi_ds_init_package_element(0,
obj_desc->package.
elements[i], NULL,
&obj_desc->package.
elements[i]);
}
if (*obj_desc_ptr) {
/* Existing package, get existing reference count */
reference_count =
(*obj_desc_ptr)->common.reference_count;
if (reference_count > 1) {
/* Make new element ref count match original ref count */
/* TBD: Probably need an acpi_ut_add_references function */
for (index = 0;
index < ((u32)reference_count - 1);
index++) {
acpi_ut_add_reference((obj_desc->
package.
elements[i]));
}
}
}
arg = arg->common.next;
}
/* Check for match between num_elements and actual length of package_list */
if (arg) {
/*
* num_elements was exhausted, but there are remaining elements in
* the package_list. Truncate the package to num_elements.
*
* Note: technically, this is an error, from ACPI spec: "It is an
* error for NumElements to be less than the number of elements in
* the PackageList". However, we just print a message and no
* exception is returned. This provides compatibility with other
* ACPI implementations. Some firmware implementations will alter
* the num_elements on the fly, possibly creating this type of
* ill-formed package object.
*/
while (arg) {
/*
* We must delete any package elements that were created earlier
* and are not going to be used because of the package truncation.
*/
if (arg->common.node) {
acpi_ut_remove_reference(ACPI_CAST_PTR
(union
acpi_operand_object,
arg->common.node));
arg->common.node = NULL;
}
/* Find out how many elements there really are */
i++;
arg = arg->common.next;
}
ACPI_INFO(("Actual Package length (%u) is larger than "
"NumElements field (%u), truncated",
i, element_count));
} else if (i < element_count) {
/*
* Arg list (elements) was exhausted, but we did not reach
* num_elements count.
*
* Note: this is not an error, the package is padded out
* with NULLs.
*/
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Package List length (%u) smaller than NumElements "
"count (%u), padded with null elements\n",
i, element_count));
}
obj_desc->package.flags |= AOPOBJ_DATA_VALID;
op->common.node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_desc);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ds_init_package_element
*
* PARAMETERS: acpi_pkg_callback
*
* RETURN: Status
*
* DESCRIPTION: Resolve a named reference element within a package object
*
******************************************************************************/
acpi_status
acpi_ds_init_package_element(u8 object_type,
union acpi_operand_object *source_object,
union acpi_generic_state *state, void *context)
{
union acpi_operand_object **element_ptr;
if (!source_object) {
return (AE_OK);
}
/*
* The following code is a bit of a hack to workaround a (current)
* limitation of the acpi_pkg_callback interface. We need a pointer
* to the location within the element array because a new object
* may be created and stored there.
*/
if (context) {
/* A direct call was made to this function */
element_ptr = (union acpi_operand_object **)context;
} else {
/* Call came from acpi_ut_walk_package_tree */
element_ptr = state->pkg.this_target_obj;
}
/* We are only interested in reference objects/elements */
if (source_object->common.type == ACPI_TYPE_LOCAL_REFERENCE) {
/* Attempt to resolve the (named) reference to a namespace node */
acpi_ds_resolve_package_element(element_ptr);
} else if (source_object->common.type == ACPI_TYPE_PACKAGE) {
source_object->package.flags |= AOPOBJ_DATA_VALID;
}
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ds_resolve_package_element
*
* PARAMETERS: element_ptr - Pointer to a reference object
*
* RETURN: Possible new element is stored to the indirect element_ptr
*
* DESCRIPTION: Resolve a package element that is a reference to a named
* object.
*
******************************************************************************/
static void
acpi_ds_resolve_package_element(union acpi_operand_object **element_ptr)
{
acpi_status status;
union acpi_generic_state scope_info;
union acpi_operand_object *element = *element_ptr;
struct acpi_namespace_node *resolved_node;
char *external_path = NULL;
acpi_object_type type;
ACPI_FUNCTION_TRACE(ds_resolve_package_element);
/* Check if reference element is already resolved */
if (element->reference.resolved) {
return_VOID;
}
/* Element must be a reference object of correct type */
scope_info.scope.node = element->reference.node; /* Prefix node */
status = acpi_ns_lookup(&scope_info, (char *)element->reference.aml, /* Pointer to AML path */
ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
NULL, &resolved_node);
if (ACPI_FAILURE(status)) {
status = acpi_ns_externalize_name(ACPI_UINT32_MAX,
(char *)element->reference.
aml, NULL, &external_path);
ACPI_EXCEPTION((AE_INFO, status,
"Could not find/resolve named package element: %s",
external_path));
ACPI_FREE(external_path);
*element_ptr = NULL;
return_VOID;
} else if (resolved_node->type == ACPI_TYPE_ANY) {
/* Named reference not resolved, return a NULL package element */
ACPI_ERROR((AE_INFO,
"Could not resolve named package element [%4.4s] in [%4.4s]",
resolved_node->name.ascii,
scope_info.scope.node->name.ascii));
*element_ptr = NULL;
return_VOID;
}
#if 0
else if (resolved_node->flags & ANOBJ_TEMPORARY) {
/*
* A temporary node found here indicates that the reference is
* to a node that was created within this method. We are not
* going to allow it (especially if the package is returned
* from the method) -- the temporary node will be deleted out
* from under the method. (05/2017).
*/
ACPI_ERROR((AE_INFO,
"Package element refers to a temporary name [%4.4s], "
"inserting a NULL element",
resolved_node->name.ascii));
*element_ptr = NULL;
return_VOID;
}
#endif
/*
* Special handling for Alias objects. We need resolved_node to point
* to the Alias target. This effectively "resolves" the alias.
*/
if (resolved_node->type == ACPI_TYPE_LOCAL_ALIAS) {
resolved_node = ACPI_CAST_PTR(struct acpi_namespace_node,
resolved_node->object);
}
/* Update the reference object */
element->reference.resolved = TRUE;
element->reference.node = resolved_node;
type = element->reference.node->type;
/*
* Attempt to resolve the node to a value before we insert it into
* the package. If this is a reference to a common data type,
* resolve it immediately. According to the ACPI spec, package
* elements can only be "data objects" or method references.
* Attempt to resolve to an Integer, Buffer, String or Package.
* If cannot, return the named reference (for things like Devices,
* Methods, etc.) Buffer Fields and Fields will resolve to simple
* objects (int/buf/str/pkg).
*
* NOTE: References to things like Devices, Methods, Mutexes, etc.
* will remain as named references. This behavior is not described
* in the ACPI spec, but it appears to be an oversight.
*/
status = acpi_ex_resolve_node_to_value(&resolved_node, NULL);
if (ACPI_FAILURE(status)) {
return_VOID;
}
#if 0
/* TBD - alias support */
/*
* Special handling for Alias objects. We need to setup the type
* and the Op->Common.Node to point to the Alias target. Note,
* Alias has at most one level of indirection internally.
*/
type = op->common.node->type;
if (type == ACPI_TYPE_LOCAL_ALIAS) {
type = obj_desc->common.type;
op->common.node = ACPI_CAST_PTR(struct acpi_namespace_node,
op->common.node->object);
}
#endif
switch (type) {
/*
* These object types are a result of named references, so we will
* leave them as reference objects. In other words, these types
* have no intrinsic "value".
*/
case ACPI_TYPE_DEVICE:
case ACPI_TYPE_THERMAL:
/* TBD: This may not be necesssary */
acpi_ut_add_reference(resolved_node->object);
break;
case ACPI_TYPE_MUTEX:
case ACPI_TYPE_METHOD:
case ACPI_TYPE_POWER:
case ACPI_TYPE_PROCESSOR:
case ACPI_TYPE_EVENT:
case ACPI_TYPE_REGION:
break;
default:
/*
* For all other types - the node was resolved to an actual
* operand object with a value, return the object
*/
*element_ptr = (union acpi_operand_object *)resolved_node;
break;
}
return_VOID;
}

30
drivers/acpi/acpica/evgpeblk.c
View File

@ -440,9 +440,11 @@ acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
void *ignored)
{
acpi_status status;
acpi_event_status event_status;
struct acpi_gpe_event_info *gpe_event_info;
u32 gpe_enabled_count;
u32 gpe_index;
u32 gpe_number;
u32 i;
u32 j;
@ -470,30 +472,40 @@ acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
gpe_index = (i * ACPI_GPE_REGISTER_WIDTH) + j;
gpe_event_info = &gpe_block->event_info[gpe_index];
gpe_number = gpe_block->block_base_number + gpe_index;
/*
* Ignore GPEs that have no corresponding _Lxx/_Exx method
* and GPEs that are used to wake the system
* and GPEs that are used for wakeup
*/
if ((ACPI_GPE_DISPATCH_TYPE(gpe_event_info->flags) ==
ACPI_GPE_DISPATCH_NONE)
|| (ACPI_GPE_DISPATCH_TYPE(gpe_event_info->flags) ==
ACPI_GPE_DISPATCH_HANDLER)
|| (ACPI_GPE_DISPATCH_TYPE(gpe_event_info->flags) ==
ACPI_GPE_DISPATCH_RAW_HANDLER)
if ((ACPI_GPE_DISPATCH_TYPE(gpe_event_info->flags) !=
ACPI_GPE_DISPATCH_METHOD)
|| (gpe_event_info->flags & ACPI_GPE_CAN_WAKE)) {
continue;
}
event_status = 0;
(void)acpi_hw_get_gpe_status(gpe_event_info,
&event_status);
status = acpi_ev_add_gpe_reference(gpe_event_info);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Could not enable GPE 0x%02X",
gpe_index +
gpe_block->block_base_number));
gpe_number));
continue;
}
gpe_event_info->flags |= ACPI_GPE_AUTO_ENABLED;
if (event_status & ACPI_EVENT_FLAG_STATUS_SET) {
ACPI_INFO(("GPE 0x%02X active on init",
gpe_number));
(void)acpi_ev_gpe_dispatch(gpe_block->node,
gpe_event_info,
gpe_number);
}
gpe_enabled_count++;
}
}

8
drivers/acpi/acpica/evxfgpe.c
View File

@ -435,6 +435,14 @@ acpi_setup_gpe_for_wake(acpi_handle wake_device,
*/
gpe_event_info->flags =
(ACPI_GPE_DISPATCH_NOTIFY | ACPI_GPE_LEVEL_TRIGGERED);
} else if (gpe_event_info->flags & ACPI_GPE_AUTO_ENABLED) {
/*
* A reference to this GPE has been added during the GPE block
* initialization, so drop it now to prevent the GPE from being
* permanently enabled and clear its ACPI_GPE_AUTO_ENABLED flag.
*/
(void)acpi_ev_remove_gpe_reference(gpe_event_info);
gpe_event_info->flags &= ~ACPI_GPE_AUTO_ENABLED;
}
/*

66
drivers/acpi/acpica/excreate.c
View File

@ -87,32 +87,27 @@ acpi_status acpi_ex_create_alias(struct acpi_walk_state *walk_state)
target_node->object);
}
/*
* For objects that can never change (i.e., the NS node will
* permanently point to the same object), we can simply attach
* the object to the new NS node. For other objects (such as
* Integers, buffers, etc.), we have to point the Alias node
* to the original Node.
*/
/* Ensure that the target node is valid */
if (!target_node) {
return_ACPI_STATUS(AE_NULL_OBJECT);
}
/* Construct the alias object (a namespace node) */
switch (target_node->type) {
/* For these types, the sub-object can change dynamically via a Store */
case ACPI_TYPE_INTEGER:
case ACPI_TYPE_STRING:
case ACPI_TYPE_BUFFER:
case ACPI_TYPE_PACKAGE:
case ACPI_TYPE_BUFFER_FIELD:
case ACPI_TYPE_METHOD:
/*
* These types open a new scope, so we need the NS node in order to access
* any children.
* Control method aliases need to be differentiated with
* a special type
*/
case ACPI_TYPE_DEVICE:
case ACPI_TYPE_POWER:
case ACPI_TYPE_PROCESSOR:
case ACPI_TYPE_THERMAL:
case ACPI_TYPE_LOCAL_SCOPE:
alias_node->type = ACPI_TYPE_LOCAL_METHOD_ALIAS;
break;
default:
/*
* All other object types.
*
* The new alias has the type ALIAS and points to the original
* NS node, not the object itself.
*/
@ -120,35 +115,12 @@ acpi_status acpi_ex_create_alias(struct acpi_walk_state *walk_state)
alias_node->object =
ACPI_CAST_PTR(union acpi_operand_object, target_node);
break;
case ACPI_TYPE_METHOD:
/*
* Control method aliases need to be differentiated
*/
alias_node->type = ACPI_TYPE_LOCAL_METHOD_ALIAS;
alias_node->object =
ACPI_CAST_PTR(union acpi_operand_object, target_node);
break;
default:
/* Attach the original source object to the new Alias Node */
/*
* The new alias assumes the type of the target, and it points
* to the same object. The reference count of the object has an
* additional reference to prevent deletion out from under either the
* target node or the alias Node
*/
status = acpi_ns_attach_object(alias_node,
acpi_ns_get_attached_object
(target_node),
target_node->type);
break;
}
/* Since both operands are Nodes, we don't need to delete them */
alias_node->object =
ACPI_CAST_PTR(union acpi_operand_object, target_node);
return_ACPI_STATUS(status);
}

34
drivers/acpi/acpica/exdump.c
View File

@ -102,7 +102,7 @@ static struct acpi_exdump_info acpi_ex_dump_package[6] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_package), NULL},
{ACPI_EXD_NODE, ACPI_EXD_OFFSET(package.node), "Parent Node"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(package.flags), "Flags"},
{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(package.count), "Elements"},
{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(package.count), "Element Count"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(package.elements), "Element List"},
{ACPI_EXD_PACKAGE, 0, NULL}
};
@ -384,6 +384,10 @@ acpi_ex_dump_object(union acpi_operand_object *obj_desc,
count = info->offset;
while (count) {
if (!obj_desc) {
return;
}
target = ACPI_ADD_PTR(u8, obj_desc, info->offset);
name = info->name;
@ -469,9 +473,9 @@ acpi_ex_dump_object(union acpi_operand_object *obj_desc,
start = *ACPI_CAST_PTR(void *, target);
next = start;
acpi_os_printf("%20s : %p", name, next);
acpi_os_printf("%20s : %p ", name, next);
if (next) {
acpi_os_printf("(%s %2.2X)",
acpi_os_printf("%s (Type %2.2X)",
acpi_ut_get_object_type_name
(next), next->common.type);
@ -493,6 +497,8 @@ acpi_ex_dump_object(union acpi_operand_object *obj_desc,
break;
}
}
} else {
acpi_os_printf("- No attached objects");
}
acpi_os_printf("\n");
@ -1129,7 +1135,9 @@ acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc,
default:
acpi_os_printf("[Unknown Type] %X\n", obj_desc->common.type);
acpi_os_printf("[%s] Type: %2.2X\n",
acpi_ut_get_type_name(obj_desc->common.type),
obj_desc->common.type);
break;
}
}
@ -1167,11 +1175,17 @@ acpi_ex_dump_object_descriptor(union acpi_operand_object *obj_desc, u32 flags)
acpi_ex_dump_namespace_node((struct acpi_namespace_node *)
obj_desc, flags);
acpi_os_printf("\nAttached Object (%p):\n",
((struct acpi_namespace_node *)obj_desc)->
object);
obj_desc = ((struct acpi_namespace_node *)obj_desc)->object;
if (!obj_desc) {
return_VOID;
}
acpi_os_printf("\nAttached Object %p", obj_desc);
if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == ACPI_DESC_TYPE_NAMED) {
acpi_os_printf(" - Namespace Node");
}
acpi_os_printf(":\n");
goto dump_object;
}
@ -1191,6 +1205,10 @@ acpi_ex_dump_object_descriptor(union acpi_operand_object *obj_desc, u32 flags)
dump_object:
if (!obj_desc) {
return_VOID;
}
/* Common Fields */
acpi_ex_dump_object(obj_desc, acpi_ex_dump_common);

9
drivers/acpi/acpica/exmisc.c
View File

@ -265,6 +265,8 @@ acpi_ex_do_logical_numeric_op(u16 opcode,
default:
ACPI_ERROR((AE_INFO,
"Invalid numeric logical opcode: %X", opcode));
status = AE_AML_INTERNAL;
break;
}
@ -345,6 +347,9 @@ acpi_ex_do_logical_op(u16 opcode,
default:
ACPI_ERROR((AE_INFO,
"Invalid object type for logical operator: %X",
operand0->common.type));
status = AE_AML_INTERNAL;
break;
}
@ -388,6 +393,8 @@ acpi_ex_do_logical_op(u16 opcode,
default:
ACPI_ERROR((AE_INFO,
"Invalid comparison opcode: %X", opcode));
status = AE_AML_INTERNAL;
break;
}
@ -456,6 +463,8 @@ acpi_ex_do_logical_op(u16 opcode,
default:
ACPI_ERROR((AE_INFO,
"Invalid comparison opcode: %X", opcode));
status = AE_AML_INTERNAL;
break;
}

3
drivers/acpi/acpica/exoparg2.c
View File

@ -414,6 +414,9 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
default:
ACPI_ERROR((AE_INFO,
"Invalid object type: %X",
(operand[0])->common.type));
status = AE_AML_INTERNAL;
goto cleanup;
}

2
drivers/acpi/acpica/hwregs.c
View File

@ -107,7 +107,7 @@ acpi_hw_get_access_bit_width(u64 address,
ACPI_IS_ALIGNED(reg->bit_width, 8)) {
access_bit_width = reg->bit_width;
} else if (reg->access_width) {
access_bit_width = (1 << (reg->access_width + 2));
access_bit_width = ACPI_ACCESS_BIT_WIDTH(reg->access_width);
} else {
access_bit_width =
ACPI_ROUND_UP_POWER_OF_TWO_8(reg->bit_offset +

9
drivers/acpi/acpica/hwxfsleep.c
View File

@ -72,13 +72,16 @@ static acpi_status acpi_hw_sleep_dispatch(u8 sleep_state, u32 function_id);
static struct acpi_sleep_functions acpi_sleep_dispatch[] = {
{ACPI_STRUCT_INIT(legacy_function,
ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_sleep)),
ACPI_STRUCT_INIT(extended_function, acpi_hw_extended_sleep) },
ACPI_STRUCT_INIT(extended_function,
acpi_hw_extended_sleep)},
{ACPI_STRUCT_INIT(legacy_function,
ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_wake_prep)),
ACPI_STRUCT_INIT(extended_function, acpi_hw_extended_wake_prep) },
ACPI_STRUCT_INIT(extended_function,
acpi_hw_extended_wake_prep)},
{ACPI_STRUCT_INIT(legacy_function,
ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_wake)),
ACPI_STRUCT_INIT(extended_function, acpi_hw_extended_wake) }
ACPI_STRUCT_INIT(extended_function,
acpi_hw_extended_wake)}
};
/*

26
drivers/acpi/acpica/nsaccess.c
View File

@ -292,6 +292,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
{
acpi_status status;
char *path = pathname;
char *external_path;
struct acpi_namespace_node *prefix_node;
struct acpi_namespace_node *current_node = NULL;
struct acpi_namespace_node *this_node = NULL;
@ -427,13 +428,22 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
num_carats++;
this_node = this_node->parent;
if (!this_node) {
/*
* Current scope has no parent scope. Externalize
* the internal path for error message.
*/
status =
acpi_ns_externalize_name
(ACPI_UINT32_MAX, pathname, NULL,
&external_path);
if (ACPI_SUCCESS(status)) {
ACPI_ERROR((AE_INFO,
"%s: Path has too many parent prefixes (^)",
external_path));
/* Current scope has no parent scope */
ACPI_FREE(external_path);
}
ACPI_ERROR((AE_INFO,
"%s: Path has too many parent prefixes (^) "
"- reached beyond root node",
pathname));
return_ACPI_STATUS(AE_NOT_FOUND);
}
}
@ -634,6 +644,12 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
this_node->object;
}
}
#ifdef ACPI_ASL_COMPILER
if (!acpi_gbl_disasm_flag &&
(this_node->flags & ANOBJ_IS_EXTERNAL)) {
this_node->flags |= IMPLICIT_EXTERNAL;
}
#endif
}
/* Special handling for the last segment (num_segments == 0) */

21
drivers/acpi/acpica/nsarguments.c
View File

@ -69,9 +69,14 @@ void acpi_ns_check_argument_types(struct acpi_evaluate_info *info)
u8 user_arg_type;
u32 i;
/* If not a predefined name, cannot typecheck args */
if (!info->predefined) {
/*
* If not a predefined name, cannot typecheck args, because
* we have no idea what argument types are expected.
* Also, ignore typecheck if warnings/errors if this method
* has already been evaluated at least once -- in order
* to suppress repetitive messages.
*/
if (!info->predefined || (info->node->flags & ANOBJ_EVALUATED)) {
return;
}
@ -93,6 +98,10 @@ void acpi_ns_check_argument_types(struct acpi_evaluate_info *info)
acpi_ut_get_type_name
(user_arg_type),
acpi_ut_get_type_name(arg_type)));
/* Prevent any additional typechecking for this method */
info->node->flags |= ANOBJ_EVALUATED;
}
}
}
@ -121,7 +130,7 @@ acpi_ns_check_acpi_compliance(char *pathname,
u32 aml_param_count;
u32 required_param_count;
if (!predefined) {
if (!predefined || (node->flags & ANOBJ_EVALUATED)) {
return;
}
@ -215,6 +224,10 @@ acpi_ns_check_argument_count(char *pathname,
u32 aml_param_count;
u32 required_param_count;
if (node->flags & ANOBJ_EVALUATED) {
return;
}
if (!predefined) {
/*
* Not a predefined name. Check the incoming user argument count

14
drivers/acpi/acpica/nsinit.c
View File

@ -396,6 +396,20 @@ acpi_ns_init_one_object(acpi_handle obj_handle,
info->package_init++;
status = acpi_ds_get_package_arguments(obj_desc);
if (ACPI_FAILURE(status)) {
break;
}
/*
* Resolve all named references in package objects (and all
* sub-packages). This action has been deferred until the entire
* namespace has been loaded, in order to support external and
* forward references from individual package elements (05/2017).
*/
status = acpi_ut_walk_package_tree(obj_desc, NULL,
acpi_ds_init_package_element,
NULL);
obj_desc->package.flags |= AOPOBJ_DATA_VALID;
break;
default:

9
drivers/acpi/acpica/nsnames.c
View File

@ -89,7 +89,14 @@ acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node)
{
acpi_size size;
ACPI_FUNCTION_ENTRY();
/* Validate the Node */
if (ACPI_GET_DESCRIPTOR_TYPE(node) != ACPI_DESC_TYPE_NAMED) {
ACPI_ERROR((AE_INFO,
"Invalid/cached reference target node: %p, descriptor type %d",
node, ACPI_GET_DESCRIPTOR_TYPE(node)));
return (0);
}
size = acpi_ns_build_normalized_path(node, NULL, 0, FALSE);
return (size);

2
drivers/acpi/acpica/nsprepkg.c
View File

@ -614,6 +614,8 @@ acpi_ns_check_package_list(struct acpi_evaluate_info *info,
default: /* Should not get here, type was validated by caller */
ACPI_ERROR((AE_INFO, "Invalid Package type: %X",
package->ret_info.type));
return (AE_AML_INTERNAL);
}

14
drivers/acpi/acpica/psloop.c
View File

@ -164,6 +164,11 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state,
INCREMENT_ARG_LIST(walk_state->arg_types);
}
ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
"Final argument count: %u pass %u\n",
walk_state->arg_count,
walk_state->pass_number));
/*
* Handle executable code at "module-level". This refers to
* executable opcodes that appear outside of any control method.
@ -277,6 +282,11 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state,
AML_NAME_OP)
&& (walk_state->pass_number <=
ACPI_IMODE_LOAD_PASS2)) {
ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
"Setup Package/Buffer: Pass %u, AML Ptr: %p\n",
walk_state->pass_number,
aml_op_start));
/*
* Skip parsing of Buffers and Packages because we don't have
* enough info in the first pass to parse them correctly.
@ -570,6 +580,10 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
/* Check for arguments that need to be processed */
ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
"Parseloop: argument count: %u\n",
walk_state->arg_count));
if (walk_state->arg_count) {
/*
* There are arguments (complex ones), push Op and

26
drivers/acpi/acpica/psobject.c
View File

@ -359,6 +359,32 @@ acpi_ps_create_op(struct acpi_walk_state *walk_state,
acpi_ps_build_named_op(walk_state, aml_op_start, op,
&named_op);
acpi_ps_free_op(op);
#ifdef ACPI_ASL_COMPILER
if (acpi_gbl_disasm_flag
&& walk_state->opcode == AML_EXTERNAL_OP
&& status == AE_NOT_FOUND) {
/*
* If parsing of AML_EXTERNAL_OP's name path fails, then skip
* past this opcode and keep parsing. This is a much better
* alternative than to abort the entire disassembler. At this
* point, the parser_state is at the end of the namepath of the
* external declaration opcode. Setting walk_state->Aml to
* walk_state->parser_state.Aml + 2 moves increments the
* walk_state->Aml past the object type and the paramcount of the
* external opcode. For the error message, only print the AML
* offset. We could attempt to print the name but this may cause
* a segmentation fault when printing the namepath because the
* AML may be incorrect.
*/
acpi_os_printf
("// Invalid external declaration at AML offset 0x%x.\n",
walk_state->aml -
walk_state->parser_state.aml_start);
walk_state->aml = walk_state->parser_state.aml + 2;
return_ACPI_STATUS(AE_CTRL_PARSE_CONTINUE);
}
#endif
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}

7
drivers/acpi/acpica/rsxface.c
View File

@ -615,7 +615,7 @@ ACPI_EXPORT_SYMBOL(acpi_walk_resource_buffer)
* device we are querying
* name - Method name of the resources we want.
* (METHOD_NAME__CRS, METHOD_NAME__PRS, or
* METHOD_NAME__AEI)
* METHOD_NAME__AEI or METHOD_NAME__DMA)
* user_function - Called for each resource
* context - Passed to user_function
*
@ -641,11 +641,12 @@ acpi_walk_resources(acpi_handle device_handle,
if (!device_handle || !user_function || !name ||
(!ACPI_COMPARE_NAME(name, METHOD_NAME__CRS) &&
!ACPI_COMPARE_NAME(name, METHOD_NAME__PRS) &&
!ACPI_COMPARE_NAME(name, METHOD_NAME__AEI))) {
!ACPI_COMPARE_NAME(name, METHOD_NAME__AEI) &&
!ACPI_COMPARE_NAME(name, METHOD_NAME__DMA))) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Get the _CRS/_PRS/_AEI resource list */
/* Get the _CRS/_PRS/_AEI/_DMA resource list */
buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
status = acpi_rs_get_method_data(device_handle, name, &buffer);

230
drivers/acpi/acpica/tbdata.c
View File

@ -50,6 +50,57 @@
#define _COMPONENT ACPI_TABLES
ACPI_MODULE_NAME("tbdata")
/* Local prototypes */
static acpi_status
acpi_tb_check_duplication(struct acpi_table_desc *table_desc, u32 *table_index);
static u8
acpi_tb_compare_tables(struct acpi_table_desc *table_desc, u32 table_index);
/*******************************************************************************
*
* FUNCTION: acpi_tb_compare_tables
*
* PARAMETERS: table_desc - Table 1 descriptor to be compared
* table_index - Index of table 2 to be compared
*
* RETURN: TRUE if both tables are identical.
*
* DESCRIPTION: This function compares a table with another table that has
* already been installed in the root table list.
*
******************************************************************************/
static u8
acpi_tb_compare_tables(struct acpi_table_desc *table_desc, u32 table_index)
{
acpi_status status = AE_OK;
u8 is_identical;
struct acpi_table_header *table;
u32 table_length;
u8 table_flags;
status =
acpi_tb_acquire_table(&acpi_gbl_root_table_list.tables[table_index],
&table, &table_length, &table_flags);
if (ACPI_FAILURE(status)) {
return (FALSE);
}
/*
* Check for a table match on the entire table length,
* not just the header.
*/
is_identical = (u8)((table_desc->length != table_length ||
memcmp(table_desc->pointer, table, table_length)) ?
FALSE : TRUE);
/* Release the acquired table */
acpi_tb_release_table(table, table_length, table_flags);
return (is_identical);
}
/*******************************************************************************
*
* FUNCTION: acpi_tb_init_table_descriptor
@ -64,6 +115,7 @@ ACPI_MODULE_NAME("tbdata")
* DESCRIPTION: Initialize a new table descriptor
*
******************************************************************************/
void
acpi_tb_init_table_descriptor(struct acpi_table_desc *table_desc,
acpi_physical_address address,
@ -338,7 +390,7 @@ void acpi_tb_invalidate_table(struct acpi_table_desc *table_desc)
acpi_status acpi_tb_validate_temp_table(struct acpi_table_desc *table_desc)
{
if (!table_desc->pointer && !acpi_gbl_verify_table_checksum) {
if (!table_desc->pointer && !acpi_gbl_enable_table_validation) {
/*
* Only validates the header of the table.
* Note that Length contains the size of the mapping after invoking
@ -354,22 +406,100 @@ acpi_status acpi_tb_validate_temp_table(struct acpi_table_desc *table_desc)
return (acpi_tb_validate_table(table_desc));
}
/*******************************************************************************
*
* FUNCTION: acpi_tb_check_duplication
*
* PARAMETERS: table_desc - Table descriptor
* table_index - Where the table index is returned
*
* RETURN: Status
*
* DESCRIPTION: Avoid installing duplicated tables. However table override and
* user aided dynamic table load is allowed, thus comparing the
* address of the table is not sufficient, and checking the entire
* table content is required.
*
******************************************************************************/
static acpi_status
acpi_tb_check_duplication(struct acpi_table_desc *table_desc, u32 *table_index)
{
u32 i;
ACPI_FUNCTION_TRACE(tb_check_duplication);
/* Check if table is already registered */
for (i = 0; i < acpi_gbl_root_table_list.current_table_count; ++i) {
/* Do not compare with unverified tables */
if (!
(acpi_gbl_root_table_list.tables[i].
flags & ACPI_TABLE_IS_VERIFIED)) {
continue;
}
/*
* Check for a table match on the entire table length,
* not just the header.
*/
if (!acpi_tb_compare_tables(table_desc, i)) {
continue;
}
/*
* Note: the current mechanism does not unregister a table if it is
* dynamically unloaded. The related namespace entries are deleted,
* but the table remains in the root table list.
*
* The assumption here is that the number of different tables that
* will be loaded is actually small, and there is minimal overhead
* in just keeping the table in case it is needed again.
*
* If this assumption changes in the future (perhaps on large
* machines with many table load/unload operations), tables will
* need to be unregistered when they are unloaded, and slots in the
* root table list should be reused when empty.
*/
if (acpi_gbl_root_table_list.tables[i].flags &
ACPI_TABLE_IS_LOADED) {
/* Table is still loaded, this is an error */
return_ACPI_STATUS(AE_ALREADY_EXISTS);
} else {
*table_index = i;
return_ACPI_STATUS(AE_CTRL_TERMINATE);
}
}
/* Indicate no duplication to the caller */
return_ACPI_STATUS(AE_OK);
}
/******************************************************************************
*
* FUNCTION: acpi_tb_verify_temp_table
*
* PARAMETERS: table_desc - Table descriptor
* signature - Table signature to verify
* table_index - Where the table index is returned
*
* RETURN: Status
*
* DESCRIPTION: This function is called to validate and verify the table, the
* returned table descriptor is in "VALIDATED" state.
* Note that 'TableIndex' is required to be set to !NULL to
* enable duplication check.
*
*****************************************************************************/
acpi_status
acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc, char *signature)
acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc,
char *signature, u32 *table_index)
{
acpi_status status = AE_OK;
@ -392,9 +522,10 @@ acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc, char *signature)
goto invalidate_and_exit;
}
/* Verify the checksum */
if (acpi_gbl_enable_table_validation) {
/* Verify the checksum */
if (acpi_gbl_verify_table_checksum) {
status =
acpi_tb_verify_checksum(table_desc->pointer,
table_desc->length);
@ -411,9 +542,34 @@ acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc, char *signature)
goto invalidate_and_exit;
}
/* Avoid duplications */
if (table_index) {
status =
acpi_tb_check_duplication(table_desc, table_index);
if (ACPI_FAILURE(status)) {
if (status != AE_CTRL_TERMINATE) {
ACPI_EXCEPTION((AE_INFO, AE_NO_MEMORY,
"%4.4s 0x%8.8X%8.8X"
" Table is duplicated",
acpi_ut_valid_nameseg
(table_desc->signature.
ascii) ? table_desc->
signature.
ascii : "????",
ACPI_FORMAT_UINT64
(table_desc->address)));
}
goto invalidate_and_exit;
}
}
table_desc->flags |= ACPI_TABLE_IS_VERIFIED;
}
return_ACPI_STATUS(AE_OK);
return_ACPI_STATUS(status);
invalidate_and_exit:
acpi_tb_invalidate_table(table_desc);
@ -436,6 +592,8 @@ acpi_status acpi_tb_resize_root_table_list(void)
{
struct acpi_table_desc *tables;
u32 table_count;
u32 current_table_count, max_table_count;
u32 i;
ACPI_FUNCTION_TRACE(tb_resize_root_table_list);
@ -455,8 +613,8 @@ acpi_status acpi_tb_resize_root_table_list(void)
table_count = acpi_gbl_root_table_list.current_table_count;
}
tables = ACPI_ALLOCATE_ZEROED(((acpi_size)table_count +
ACPI_ROOT_TABLE_SIZE_INCREMENT) *
max_table_count = table_count + ACPI_ROOT_TABLE_SIZE_INCREMENT;
tables = ACPI_ALLOCATE_ZEROED(((acpi_size)max_table_count) *
sizeof(struct acpi_table_desc));
if (!tables) {
ACPI_ERROR((AE_INFO,
@ -466,9 +624,16 @@ acpi_status acpi_tb_resize_root_table_list(void)
/* Copy and free the previous table array */
current_table_count = 0;
if (acpi_gbl_root_table_list.tables) {
memcpy(tables, acpi_gbl_root_table_list.tables,
(acpi_size)table_count * sizeof(struct acpi_table_desc));
for (i = 0; i < table_count; i++) {
if (acpi_gbl_root_table_list.tables[i].address) {
memcpy(tables + current_table_count,
acpi_gbl_root_table_list.tables + i,
sizeof(struct acpi_table_desc));
current_table_count++;
}
}
if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) {
ACPI_FREE(acpi_gbl_root_table_list.tables);
@ -476,8 +641,8 @@ acpi_status acpi_tb_resize_root_table_list(void)
}
acpi_gbl_root_table_list.tables = tables;
acpi_gbl_root_table_list.max_table_count =
table_count + ACPI_ROOT_TABLE_SIZE_INCREMENT;
acpi_gbl_root_table_list.max_table_count = max_table_count;
acpi_gbl_root_table_list.current_table_count = current_table_count;
acpi_gbl_root_table_list.flags |= ACPI_ROOT_ORIGIN_ALLOCATED;
return_ACPI_STATUS(AE_OK);
@ -818,13 +983,9 @@ acpi_tb_load_table(u32 table_index, struct acpi_namespace_node *parent_node)
acpi_ev_update_gpes(owner_id);
}
/* Invoke table handler if present */
if (acpi_gbl_table_handler) {
(void)acpi_gbl_table_handler(ACPI_TABLE_EVENT_LOAD, table,
acpi_gbl_table_handler_context);
}
/* Invoke table handler */
acpi_tb_notify_table(ACPI_TABLE_EVENT_LOAD, table);
return_ACPI_STATUS(status);
}
@ -894,15 +1055,11 @@ acpi_status acpi_tb_unload_table(u32 table_index)
return_ACPI_STATUS(AE_NOT_EXIST);
}
/* Invoke table handler if present */
/* Invoke table handler */
if (acpi_gbl_table_handler) {
status = acpi_get_table_by_index(table_index, &table);
if (ACPI_SUCCESS(status)) {
(void)acpi_gbl_table_handler(ACPI_TABLE_EVENT_UNLOAD,
table,
acpi_gbl_table_handler_context);
}
status = acpi_get_table_by_index(table_index, &table);
if (ACPI_SUCCESS(status)) {
acpi_tb_notify_table(ACPI_TABLE_EVENT_UNLOAD, table);
}
/* Delete the portion of the namespace owned by this table */
@ -918,3 +1075,26 @@ acpi_status acpi_tb_unload_table(u32 table_index)
}
ACPI_EXPORT_SYMBOL(acpi_tb_unload_table)
/*******************************************************************************
*
* FUNCTION: acpi_tb_notify_table
*
* PARAMETERS: event - Table event
* table - Validated table pointer
*
* RETURN: None
*
* DESCRIPTION: Notify a table event to the users.
*
******************************************************************************/
void acpi_tb_notify_table(u32 event, void *table)
{
/* Invoke table handler if present */
if (acpi_gbl_table_handler) {
(void)acpi_gbl_table_handler(event, table,
acpi_gbl_table_handler_context);
}
}

161
drivers/acpi/acpica/tbinstal.c
View File

@ -48,54 +48,6 @@
#define _COMPONENT ACPI_TABLES
ACPI_MODULE_NAME("tbinstal")
/* Local prototypes */
static u8
acpi_tb_compare_tables(struct acpi_table_desc *table_desc, u32 table_index);
/*******************************************************************************
*
* FUNCTION: acpi_tb_compare_tables
*
* PARAMETERS: table_desc - Table 1 descriptor to be compared
* table_index - Index of table 2 to be compared
*
* RETURN: TRUE if both tables are identical.
*
* DESCRIPTION: This function compares a table with another table that has
* already been installed in the root table list.
*
******************************************************************************/
static u8
acpi_tb_compare_tables(struct acpi_table_desc *table_desc, u32 table_index)
{
acpi_status status = AE_OK;
u8 is_identical;
struct acpi_table_header *table;
u32 table_length;
u8 table_flags;
status =
acpi_tb_acquire_table(&acpi_gbl_root_table_list.tables[table_index],
&table, &table_length, &table_flags);
if (ACPI_FAILURE(status)) {
return (FALSE);
}
/*
* Check for a table match on the entire table length,
* not just the header.
*/
is_identical = (u8)((table_desc->length != table_length ||
memcmp(table_desc->pointer, table, table_length)) ?
FALSE : TRUE);
/* Release the acquired table */
acpi_tb_release_table(table, table_length, table_flags);
return (is_identical);
}
/*******************************************************************************
*
* FUNCTION: acpi_tb_install_table_with_override
@ -112,7 +64,6 @@ acpi_tb_compare_tables(struct acpi_table_desc *table_desc, u32 table_index)
* table array.
*
******************************************************************************/
void
acpi_tb_install_table_with_override(struct acpi_table_desc *new_table_desc,
u8 override, u32 *table_index)
@ -210,95 +161,29 @@ acpi_tb_install_standard_table(acpi_physical_address address,
goto release_and_exit;
}
/* Validate and verify a table before installation */
status = acpi_tb_verify_temp_table(&new_table_desc, NULL);
if (ACPI_FAILURE(status)) {
goto release_and_exit;
}
/* Acquire the table lock */
(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
if (reload) {
/*
* Validate the incoming table signature.
*
* 1) Originally, we checked the table signature for "SSDT" or "PSDT".
* 2) We added support for OEMx tables, signature "OEM".
* 3) Valid tables were encountered with a null signature, so we just
* gave up on validating the signature, (05/2008).
* 4) We encountered non-AML tables such as the MADT, which caused
* interpreter errors and kernel faults. So now, we once again allow
* only "SSDT", "OEMx", and now, also a null signature. (05/2011).
*/
if ((new_table_desc.signature.ascii[0] != 0x00) &&
(!ACPI_COMPARE_NAME
(&new_table_desc.signature, ACPI_SIG_SSDT))
&& (strncmp(new_table_desc.signature.ascii, "OEM", 3))) {
ACPI_BIOS_ERROR((AE_INFO,
"Table has invalid signature [%4.4s] (0x%8.8X), "
"must be SSDT or OEMx",
acpi_ut_valid_nameseg(new_table_desc.
signature.
ascii) ?
new_table_desc.signature.
ascii : "????",
new_table_desc.signature.integer));
/* Validate and verify a table before installation */
status = AE_BAD_SIGNATURE;
goto unlock_and_exit;
}
/* Check if table is already registered */
for (i = 0; i < acpi_gbl_root_table_list.current_table_count;
++i) {
status = acpi_tb_verify_temp_table(&new_table_desc, NULL, &i);
if (ACPI_FAILURE(status)) {
if (status == AE_CTRL_TERMINATE) {
/*
* Check for a table match on the entire table length,
* not just the header.
* Table was unloaded, allow it to be reloaded.
* As we are going to return AE_OK to the caller, we should
* take the responsibility of freeing the input descriptor.
* Refill the input descriptor to ensure
* acpi_tb_install_table_with_override() can be called again to
* indicate the re-installation.
*/
if (!acpi_tb_compare_tables(&new_table_desc, i)) {
continue;
}
/*
* Note: the current mechanism does not unregister a table if it is
* dynamically unloaded. The related namespace entries are deleted,
* but the table remains in the root table list.
*
* The assumption here is that the number of different tables that
* will be loaded is actually small, and there is minimal overhead
* in just keeping the table in case it is needed again.
*
* If this assumption changes in the future (perhaps on large
* machines with many table load/unload operations), tables will
* need to be unregistered when they are unloaded, and slots in the
* root table list should be reused when empty.
*/
if (acpi_gbl_root_table_list.tables[i].flags &
ACPI_TABLE_IS_LOADED) {
/* Table is still loaded, this is an error */
status = AE_ALREADY_EXISTS;
goto unlock_and_exit;
} else {
/*
* Table was unloaded, allow it to be reloaded.
* As we are going to return AE_OK to the caller, we should
* take the responsibility of freeing the input descriptor.
* Refill the input descriptor to ensure
* acpi_tb_install_table_with_override() can be called again to
* indicate the re-installation.
*/
acpi_tb_uninstall_table(&new_table_desc);
(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
*table_index = i;
return_ACPI_STATUS(AE_OK);
}
acpi_tb_uninstall_table(&new_table_desc);
(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
*table_index = i;
return_ACPI_STATUS(AE_OK);
}
goto unlock_and_exit;
}
/* Add the table to the global root table list */
@ -306,14 +191,10 @@ acpi_tb_install_standard_table(acpi_physical_address address,
acpi_tb_install_table_with_override(&new_table_desc, override,
table_index);
/* Invoke table handler if present */
/* Invoke table handler */
(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
if (acpi_gbl_table_handler) {
(void)acpi_gbl_table_handler(ACPI_TABLE_EVENT_INSTALL,
new_table_desc.pointer,
acpi_gbl_table_handler_context);
}
acpi_tb_notify_table(ACPI_TABLE_EVENT_INSTALL, new_table_desc.pointer);
(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
unlock_and_exit:
@ -382,9 +263,11 @@ void acpi_tb_override_table(struct acpi_table_desc *old_table_desc)
finish_override:
/* Validate and verify a table before overriding */
status = acpi_tb_verify_temp_table(&new_table_desc, NULL);
/*
* Validate and verify a table before overriding, no nested table
* duplication check as it's too complicated and unnecessary.
*/
status = acpi_tb_verify_temp_table(&new_table_desc, NULL, NULL);
if (ACPI_FAILURE(status)) {
return;
}

39
drivers/acpi/acpica/tbxface.c
View File

@ -167,7 +167,8 @@ ACPI_EXPORT_SYMBOL_INIT(acpi_initialize_tables)
acpi_status ACPI_INIT_FUNCTION acpi_reallocate_root_table(void)
{
acpi_status status;
u32 i;
struct acpi_table_desc *table_desc;
u32 i, j;
ACPI_FUNCTION_TRACE(acpi_reallocate_root_table);
@ -179,6 +180,8 @@ acpi_status ACPI_INIT_FUNCTION acpi_reallocate_root_table(void)
return_ACPI_STATUS(AE_SUPPORT);
}
(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
/*
* Ensure OS early boot logic, which is required by some hosts. If the
* table state is reported to be wrong, developers should fix the
@ -186,17 +189,39 @@ acpi_status ACPI_INIT_FUNCTION acpi_reallocate_root_table(void)
* early stage.
*/
for (i = 0; i < acpi_gbl_root_table_list.current_table_count; ++i) {
if (acpi_gbl_root_table_list.tables[i].pointer) {
table_desc = &acpi_gbl_root_table_list.tables[i];
if (table_desc->pointer) {
ACPI_ERROR((AE_INFO,
"Table [%4.4s] is not invalidated during early boot stage",
acpi_gbl_root_table_list.tables[i].
signature.ascii));
table_desc->signature.ascii));
}
}
if (!acpi_gbl_enable_table_validation) {
/*
* Now it's safe to do full table validation. We can do deferred
* table initilization here once the flag is set.
*/
acpi_gbl_enable_table_validation = TRUE;
for (i = 0; i < acpi_gbl_root_table_list.current_table_count;
++i) {
table_desc = &acpi_gbl_root_table_list.tables[i];
if (!(table_desc->flags & ACPI_TABLE_IS_VERIFIED)) {
status =
acpi_tb_verify_temp_table(table_desc, NULL,
&j);
if (ACPI_FAILURE(status)) {
acpi_tb_uninstall_table(table_desc);
}
}
}
}
acpi_gbl_root_table_list.flags |= ACPI_ROOT_ALLOW_RESIZE;
status = acpi_tb_resize_root_table_list();
acpi_gbl_root_table_list.flags |= ACPI_ROOT_ORIGIN_ALLOCATED;
(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
return_ACPI_STATUS(status);
}
@ -369,6 +394,10 @@ void acpi_put_table(struct acpi_table_header *table)
ACPI_FUNCTION_TRACE(acpi_put_table);
if (!table) {
return_VOID;
}
(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
/* Walk the root table list */

2
drivers/acpi/acpica/tbxfload.c
View File

@ -206,7 +206,7 @@ acpi_status acpi_tb_load_namespace(void)
for (i = 0; i < acpi_gbl_root_table_list.current_table_count; ++i) {
table = &acpi_gbl_root_table_list.tables[i];
if (!acpi_gbl_root_table_list.tables[i].address ||
if (!table->address ||
(!ACPI_COMPARE_NAME(table->signature.ascii, ACPI_SIG_SSDT)
&& !ACPI_COMPARE_NAME(table->signature.ascii,
ACPI_SIG_PSDT)

4
drivers/acpi/acpica/uthex.c
View File

@ -69,8 +69,10 @@ static const char acpi_gbl_hex_to_ascii[] = {
char acpi_ut_hex_to_ascii_char(u64 integer, u32 position)
{
u64 index;
return (acpi_gbl_hex_to_ascii[(integer >> position) & 0xF]);
acpi_ut_short_shift_right(integer, position, &index);
return (acpi_gbl_hex_to_ascii[index & 0xF]);
}
/*******************************************************************************

222
drivers/acpi/acpica/utmath.c
View File

@ -47,15 +47,6 @@
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME("utmath")
/*
* Optional support for 64-bit double-precision integer divide. This code
* is configurable and is implemented in order to support 32-bit kernel
* environments where a 64-bit double-precision math library is not available.
*
* Support for a more normal 64-bit divide/modulo (with check for a divide-
* by-zero) appears after this optional section of code.
*/
#ifndef ACPI_USE_NATIVE_DIVIDE
/* Structures used only for 64-bit divide */
typedef struct uint64_struct {
u32 lo;
@ -69,6 +60,217 @@ typedef union uint64_overlay {
} uint64_overlay;
/*
* Optional support for 64-bit double-precision integer multiply and shift.
* This code is configurable and is implemented in order to support 32-bit
* kernel environments where a 64-bit double-precision math library is not
* available.
*/
#ifndef ACPI_USE_NATIVE_MATH64
/*******************************************************************************
*
* FUNCTION: acpi_ut_short_multiply
*
* PARAMETERS: multiplicand - 64-bit multiplicand
* multiplier - 32-bit multiplier
* out_product - Pointer to where the product is returned
*
* DESCRIPTION: Perform a short multiply.
*
******************************************************************************/
acpi_status
acpi_ut_short_multiply(u64 multiplicand, u32 multiplier, u64 *out_product)
{
union uint64_overlay multiplicand_ovl;
union uint64_overlay product;
u32 carry32;
ACPI_FUNCTION_TRACE(ut_short_multiply);
multiplicand_ovl.full = multiplicand;
/*
* The Product is 64 bits, the carry is always 32 bits,
* and is generated by the second multiply.
*/
ACPI_MUL_64_BY_32(0, multiplicand_ovl.part.hi, multiplier,
product.part.hi, carry32);
ACPI_MUL_64_BY_32(0, multiplicand_ovl.part.lo, multiplier,
product.part.lo, carry32);
product.part.hi += carry32;
/* Return only what was requested */
if (out_product) {
*out_product = product.full;
}
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_short_shift_left
*
* PARAMETERS: operand - 64-bit shift operand
* count - 32-bit shift count
* out_result - Pointer to where the result is returned
*
* DESCRIPTION: Perform a short left shift.
*
******************************************************************************/
acpi_status acpi_ut_short_shift_left(u64 operand, u32 count, u64 *out_result)
{
union uint64_overlay operand_ovl;
ACPI_FUNCTION_TRACE(ut_short_shift_left);
operand_ovl.full = operand;
if ((count & 63) >= 32) {
operand_ovl.part.hi = operand_ovl.part.lo;
operand_ovl.part.lo ^= operand_ovl.part.lo;
count = (count & 63) - 32;
}
ACPI_SHIFT_LEFT_64_BY_32(operand_ovl.part.hi,
operand_ovl.part.lo, count);
/* Return only what was requested */
if (out_result) {
*out_result = operand_ovl.full;
}
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_short_shift_right
*
* PARAMETERS: operand - 64-bit shift operand
* count - 32-bit shift count
* out_result - Pointer to where the result is returned
*
* DESCRIPTION: Perform a short right shift.
*
******************************************************************************/
acpi_status acpi_ut_short_shift_right(u64 operand, u32 count, u64 *out_result)
{
union uint64_overlay operand_ovl;
ACPI_FUNCTION_TRACE(ut_short_shift_right);
operand_ovl.full = operand;
if ((count & 63) >= 32) {
operand_ovl.part.lo = operand_ovl.part.hi;
operand_ovl.part.hi ^= operand_ovl.part.hi;
count = (count & 63) - 32;
}
ACPI_SHIFT_RIGHT_64_BY_32(operand_ovl.part.hi,
operand_ovl.part.lo, count);
/* Return only what was requested */
if (out_result) {
*out_result = operand_ovl.full;
}
return_ACPI_STATUS(AE_OK);
}
#else
/*******************************************************************************
*
* FUNCTION: acpi_ut_short_multiply
*
* PARAMETERS: See function headers above
*
* DESCRIPTION: Native version of the ut_short_multiply function.
*
******************************************************************************/
acpi_status
acpi_ut_short_multiply(u64 multiplicand, u32 multiplier, u64 *out_product)
{
ACPI_FUNCTION_TRACE(ut_short_multiply);
/* Return only what was requested */
if (out_product) {
*out_product = multiplicand * multiplier;
}
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_short_shift_left
*
* PARAMETERS: See function headers above
*
* DESCRIPTION: Native version of the ut_short_shift_left function.
*
******************************************************************************/
acpi_status acpi_ut_short_shift_left(u64 operand, u32 count, u64 *out_result)
{
ACPI_FUNCTION_TRACE(ut_short_shift_left);
/* Return only what was requested */
if (out_result) {
*out_result = operand << count;
}
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_short_shift_right
*
* PARAMETERS: See function headers above
*
* DESCRIPTION: Native version of the ut_short_shift_right function.
*
******************************************************************************/
acpi_status acpi_ut_short_shift_right(u64 operand, u32 count, u64 *out_result)
{
ACPI_FUNCTION_TRACE(ut_short_shift_right);
/* Return only what was requested */
if (out_result) {
*out_result = operand >> count;
}
return_ACPI_STATUS(AE_OK);
}
#endif
/*
* Optional support for 64-bit double-precision integer divide. This code
* is configurable and is implemented in order to support 32-bit kernel
* environments where a 64-bit double-precision math library is not available.
*
* Support for a more normal 64-bit divide/modulo (with check for a divide-
* by-zero) appears after this optional section of code.
*/
#ifndef ACPI_USE_NATIVE_DIVIDE
/*******************************************************************************
*
* FUNCTION: acpi_ut_short_divide
@ -258,6 +460,7 @@ acpi_ut_divide(u64 in_dividend,
}
#else
/*******************************************************************************
*
* FUNCTION: acpi_ut_short_divide, acpi_ut_divide
@ -272,6 +475,7 @@ acpi_ut_divide(u64 in_dividend,
* perform the divide.
*
******************************************************************************/
acpi_status
acpi_ut_short_divide(u64 in_dividend,
u32 divisor, u64 *out_quotient, u32 *out_remainder)

10
drivers/acpi/acpica/utmisc.c
View File

@ -224,7 +224,7 @@ acpi_ut_create_update_state_and_push(union acpi_operand_object *object,
*
* RETURN: Status
*
* DESCRIPTION: Walk through a package
* DESCRIPTION: Walk through a package, including subpackages
*
******************************************************************************/
@ -236,8 +236,8 @@ acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
acpi_status status = AE_OK;
union acpi_generic_state *state_list = NULL;
union acpi_generic_state *state;
u32 this_index;
union acpi_operand_object *this_source_obj;
u32 this_index;
ACPI_FUNCTION_TRACE(ut_walk_package_tree);
@ -251,8 +251,10 @@ acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
/* Get one element of the package */
this_index = state->pkg.index;
this_source_obj = (union acpi_operand_object *)
this_source_obj =
state->pkg.source_object->package.elements[this_index];
state->pkg.this_target_obj =
&state->pkg.source_object->package.elements[this_index];
/*
* Check for:
@ -339,6 +341,8 @@ acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
/* We should never get here */
ACPI_ERROR((AE_INFO, "State list did not terminate correctly"));
return_ACPI_STATUS(AE_AML_INTERNAL);
}

5
drivers/acpi/acpica/utobject.c
View File

@ -483,6 +483,11 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object,
/* A namespace node should never get here */
ACPI_ERROR((AE_INFO,
"Received a namespace node [%4.4s] "
"where an operand object is required",
ACPI_CAST_PTR(struct acpi_namespace_node,
internal_object)->name.ascii));
return_ACPI_STATUS(AE_AML_INTERNAL);
}

8
drivers/acpi/acpica/utprint.c
View File

@ -176,7 +176,7 @@ const char *acpi_ut_scan_number(const char *string, u64 *number_ptr)
u64 number = 0;
while (isdigit((int)*string)) {
number *= 10;
acpi_ut_short_multiply(number, 10, &number);
number += *(string++) - '0';
}
@ -286,7 +286,7 @@ static char *acpi_ut_format_number(char *string,
/* Generate full string in reverse order */
pos = acpi_ut_put_number(reversed_string, number, base, upper);
i = ACPI_PTR_DIFF(pos, reversed_string);
i = (s32)ACPI_PTR_DIFF(pos, reversed_string);
/* Printing 100 using %2d gives "100", not "00" */
@ -475,7 +475,7 @@ int vsnprintf(char *string, acpi_size size, const char *format, va_list args)
if (!s) {
s = "<NULL>";
}
length = acpi_ut_bound_string_length(s, precision);
length = (s32)acpi_ut_bound_string_length(s, precision);
if (!(type & ACPI_FORMAT_LEFT)) {
while (length < width--) {
pos =
@ -579,7 +579,7 @@ int vsnprintf(char *string, acpi_size size, const char *format, va_list args)
}
}
return (ACPI_PTR_DIFF(pos, string));
return ((int)ACPI_PTR_DIFF(pos, string));
}
/*******************************************************************************

7
drivers/acpi/acpica/utresrc.c
View File

@ -237,6 +237,13 @@ acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state,
return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
}
/*
* Don't attempt to perform any validation on the 2nd byte.
* Although all known ASL compilers insert a zero for the 2nd
* byte, it can also be a checksum (as per the ACPI spec),
* and this is occasionally seen in the field. July 2017.
*/
/* Return the pointer to the end_tag if requested */
if (!user_function) {

2
drivers/acpi/acpica/utstate.c
View File

@ -226,7 +226,7 @@ union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
void *external_object,
u16 index)
u32 index)
{
union acpi_generic_state *state;

9
drivers/acpi/acpica/utstrtoul64.c
View File

@ -276,8 +276,8 @@ static u64 acpi_ut_strtoul_base10(char *string, u32 flags)
/* Convert and insert (add) the decimal digit */
next_value =
(return_value * 10) + (ascii_digit - ACPI_ASCII_ZERO);
acpi_ut_short_multiply(return_value, 10, &next_value);
next_value += (ascii_digit - ACPI_ASCII_ZERO);
/* Check for overflow (32 or 64 bit) - return current converted value */
@ -335,9 +335,8 @@ static u64 acpi_ut_strtoul_base16(char *string, u32 flags)
/* Convert and insert the hex digit */
return_value =
(return_value << 4) |
acpi_ut_ascii_char_to_hex(ascii_digit);
acpi_ut_short_shift_left(return_value, 4, &return_value);
return_value |= acpi_ut_ascii_char_to_hex(ascii_digit);
string++;
valid_digits++;

9
drivers/acpi/acpica/uttrack.c
View File

@ -591,6 +591,10 @@ void acpi_ut_dump_allocations(u32 component, const char *module)
return_VOID;
}
if (!acpi_gbl_global_list) {
goto exit;
}
element = acpi_gbl_global_list->list_head;
while (element) {
if ((element->component & component) &&
@ -602,7 +606,7 @@ void acpi_ut_dump_allocations(u32 component, const char *module)
if (element->size <
sizeof(struct acpi_common_descriptor)) {
acpi_os_printf("%p Length 0x%04X %9.9s-%u "
acpi_os_printf("%p Length 0x%04X %9.9s-%4.4u "
"[Not a Descriptor - too small]\n",
descriptor, element->size,
element->module, element->line);
@ -612,7 +616,7 @@ void acpi_ut_dump_allocations(u32 component, const char *module)
if (ACPI_GET_DESCRIPTOR_TYPE(descriptor) !=
ACPI_DESC_TYPE_CACHED) {
acpi_os_printf
("%p Length 0x%04X %9.9s-%u [%s] ",
("%p Length 0x%04X %9.9s-%4.4u [%s] ",
descriptor, element->size,
element->module, element->line,
acpi_ut_get_descriptor_name
@ -705,6 +709,7 @@ void acpi_ut_dump_allocations(u32 component, const char *module)
element = element->next;
}
exit:
(void)acpi_ut_release_mutex(ACPI_MTX_MEMORY);
/* Print summary */

5
drivers/acpi/apei/apei-internal.h
View File

@ -120,11 +120,6 @@ int apei_exec_collect_resources(struct apei_exec_context *ctx,
struct dentry;
struct dentry *apei_get_debugfs_dir(void);
#define apei_estatus_for_each_section(estatus, section) \
for (section = (struct acpi_hest_generic_data *)(estatus + 1); \
(void *)section - (void *)estatus < estatus->data_length; \
section = (void *)(section+1) + section->error_data_length)
static inline u32 cper_estatus_len(struct acpi_hest_generic_status *estatus)
{
if (estatus->raw_data_length)

2
drivers/acpi/apei/einj.c
View File

@ -281,7 +281,7 @@ static struct acpi_generic_address *einj_get_trigger_parameter_region(
((char *)trigger_tab + sizeof(struct acpi_einj_trigger));
for (i = 0; i < trigger_tab->entry_count; i++) {
if (entry->action == ACPI_EINJ_TRIGGER_ERROR &&
entry->instruction == ACPI_EINJ_WRITE_REGISTER_VALUE &&
entry->instruction <= ACPI_EINJ_WRITE_REGISTER_VALUE &&
entry->register_region.space_id ==
ACPI_ADR_SPACE_SYSTEM_MEMORY &&
(entry->register_region.address & param2) == (param1 & param2))

10
drivers/acpi/apei/ghes.c
View File

@ -1157,7 +1157,8 @@ static int ghes_probe(struct platform_device *ghes_dev)
generic->header.source_id);
goto err_edac_unreg;
}
rc = request_irq(ghes->irq, ghes_irq_func, 0, "GHES IRQ", ghes);
rc = request_irq(ghes->irq, ghes_irq_func, IRQF_SHARED,
"GHES IRQ", ghes);
if (rc) {
pr_err(GHES_PFX "Failed to register IRQ for generic hardware error source: %d\n",
generic->header.source_id);
@ -1265,9 +1266,14 @@ static int __init ghes_init(void)
if (acpi_disabled)
return -ENODEV;
if (hest_disable) {
switch (hest_disable) {
case HEST_NOT_FOUND:
return -ENODEV;
case HEST_DISABLED:
pr_info(GHES_PFX "HEST is not enabled!\n");
return -EINVAL;
default:
break;
}
if (ghes_disable) {

13
drivers/acpi/apei/hest.c
View File

@ -37,7 +37,7 @@
#define HEST_PFX "HEST: "
bool hest_disable;
int hest_disable;
EXPORT_SYMBOL_GPL(hest_disable);
/* HEST table parsing */
@ -213,7 +213,7 @@ err:
static int __init setup_hest_disable(char *str)
{
hest_disable = 1;
hest_disable = HEST_DISABLED;
return 0;
}
@ -232,9 +232,10 @@ void __init acpi_hest_init(void)
status = acpi_get_table(ACPI_SIG_HEST, 0,
(struct acpi_table_header **)&hest_tab);
if (status == AE_NOT_FOUND)
goto err;
else if (ACPI_FAILURE(status)) {
if (status == AE_NOT_FOUND) {
hest_disable = HEST_NOT_FOUND;
return;
} else if (ACPI_FAILURE(status)) {
const char *msg = acpi_format_exception(status);
pr_err(HEST_PFX "Failed to get table, %s\n", msg);
rc = -EINVAL;
@ -257,5 +258,5 @@ void __init acpi_hest_init(void)
pr_info(HEST_PFX "Table parsing has been initialized.\n");
return;
err:
hest_disable = 1;
hest_disable = HEST_DISABLED;
}

57
drivers/acpi/arm64/iort.c
View File

@ -693,13 +693,36 @@ static int iort_pci_iommu_init(struct pci_dev *pdev, u16 alias, void *data)
return iort_iommu_xlate(info->dev, parent, streamid);
}
static int nc_dma_get_range(struct device *dev, u64 *size)
{
struct acpi_iort_node *node;
struct acpi_iort_named_component *ncomp;
node = iort_scan_node(ACPI_IORT_NODE_NAMED_COMPONENT,
iort_match_node_callback, dev);
if (!node)
return -ENODEV;
ncomp = (struct acpi_iort_named_component *)node->node_data;
*size = ncomp->memory_address_limit >= 64 ? U64_MAX :
1ULL<<ncomp->memory_address_limit;
return 0;
}
/**
* iort_set_dma_mask - Set-up dma mask for a device.
* iort_dma_setup() - Set-up device DMA parameters.
*
* @dev: device to configure
* @dma_addr: device DMA address result pointer
* @size: DMA range size result pointer
*/
void iort_set_dma_mask(struct device *dev)
void iort_dma_setup(struct device *dev, u64 *dma_addr, u64 *dma_size)
{
u64 mask, dmaaddr = 0, size = 0, offset = 0;
int ret, msb;
/*
* Set default coherent_dma_mask to 32 bit. Drivers are expected to
* setup the correct supported mask.
@ -713,6 +736,36 @@ void iort_set_dma_mask(struct device *dev)
*/
if (!dev->dma_mask)
dev->dma_mask = &dev->coherent_dma_mask;
size = max(dev->coherent_dma_mask, dev->coherent_dma_mask + 1);
if (dev_is_pci(dev))
ret = acpi_dma_get_range(dev, &dmaaddr, &offset, &size);
else
ret = nc_dma_get_range(dev, &size);
if (!ret) {
msb = fls64(dmaaddr + size - 1);
/*
* Round-up to the power-of-two mask or set
* the mask to the whole 64-bit address space
* in case the DMA region covers the full
* memory window.
*/
mask = msb == 64 ? U64_MAX : (1ULL << msb) - 1;
/*
* Limit coherent and dma mask based on size
* retrieved from firmware.
*/
dev->coherent_dma_mask = mask;
*dev->dma_mask = mask;
}
*dma_addr = dmaaddr;
*dma_size = size;
dev->dma_pfn_offset = PFN_DOWN(offset);
dev_dbg(dev, "dma_pfn_offset(%#08llx)\n", offset);
}
/**

2
drivers/acpi/battery.c
View File

@ -620,7 +620,7 @@ static ssize_t acpi_battery_alarm_store(struct device *dev,
return count;
}
static struct device_attribute alarm_attr = {
static const struct device_attribute alarm_attr = {
.attr = {.name = "alarm", .mode = 0644},
.show = acpi_battery_alarm_show,
.store = acpi_battery_alarm_store,

83
drivers/acpi/blacklist.c
View File

@ -30,30 +30,13 @@
#include "internal.h"
enum acpi_blacklist_predicates {
all_versions,
less_than_or_equal,
equal,
greater_than_or_equal,
};
struct acpi_blacklist_item {
char oem_id[7];
char oem_table_id[9];
u32 oem_revision;
char *table;
enum acpi_blacklist_predicates oem_revision_predicate;
char *reason;
u32 is_critical_error;
};
static struct dmi_system_id acpi_rev_dmi_table[] __initdata;
/*
* POLICY: If *anything* doesn't work, put it on the blacklist.
* If they are critical errors, mark it critical, and abort driver load.
*/
static struct acpi_blacklist_item acpi_blacklist[] __initdata = {
static struct acpi_platform_list acpi_blacklist[] __initdata = {
/* Compaq Presario 1700 */
{"PTLTD ", " DSDT ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal,
"Multiple problems", 1},
@ -67,65 +50,27 @@ static struct acpi_blacklist_item acpi_blacklist[] __initdata = {
{"IBM ", "TP600E ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal,
"Incorrect _ADR", 1},
{""}
{ }
};
int __init acpi_blacklisted(void)
{
int i = 0;
int i;
int blacklisted = 0;
struct acpi_table_header table_header;
while (acpi_blacklist[i].oem_id[0] != '\0') {
if (acpi_get_table_header(acpi_blacklist[i].table, 0, &table_header)) {
i++;
continue;
}
i = acpi_match_platform_list(acpi_blacklist);
if (i >= 0) {
pr_err(PREFIX "Vendor \"%6.6s\" System \"%8.8s\" Revision 0x%x has a known ACPI BIOS problem.\n",
acpi_blacklist[i].oem_id,
acpi_blacklist[i].oem_table_id,
acpi_blacklist[i].oem_revision);
if (strncmp(acpi_blacklist[i].oem_id, table_header.oem_id, 6)) {
i++;
continue;
}
pr_err(PREFIX "Reason: %s. This is a %s error\n",
acpi_blacklist[i].reason,
(acpi_blacklist[i].data ?
"non-recoverable" : "recoverable"));
if (strncmp
(acpi_blacklist[i].oem_table_id, table_header.oem_table_id,
8)) {
i++;
continue;
}
if ((acpi_blacklist[i].oem_revision_predicate == all_versions)
|| (acpi_blacklist[i].oem_revision_predicate ==
less_than_or_equal
&& table_header.oem_revision <=
acpi_blacklist[i].oem_revision)
|| (acpi_blacklist[i].oem_revision_predicate ==
greater_than_or_equal
&& table_header.oem_revision >=
acpi_blacklist[i].oem_revision)
|| (acpi_blacklist[i].oem_revision_predicate == equal
&& table_header.oem_revision ==
acpi_blacklist[i].oem_revision)) {
printk(KERN_ERR PREFIX
"Vendor \"%6.6s\" System \"%8.8s\" "
"Revision 0x%x has a known ACPI BIOS problem.\n",
acpi_blacklist[i].oem_id,
acpi_blacklist[i].oem_table_id,
acpi_blacklist[i].oem_revision);
printk(KERN_ERR PREFIX
"Reason: %s. This is a %s error\n",
acpi_blacklist[i].reason,
(acpi_blacklist[i].
is_critical_error ? "non-recoverable" :
"recoverable"));
blacklisted = acpi_blacklist[i].is_critical_error;
break;
} else {
i++;
}
blacklisted = acpi_blacklist[i].data;
}
(void)early_acpi_osi_init();

3
drivers/acpi/bus.c
View File

@ -995,9 +995,6 @@ void __init acpi_early_init(void)
printk(KERN_INFO PREFIX "Core revision %08x\n", ACPI_CA_VERSION);
/* It's safe to verify table checksums during late stage */
acpi_gbl_verify_table_checksum = TRUE;
/* enable workarounds, unless strict ACPI spec. compliance */
if (!acpi_strict)
acpi_gbl_enable_interpreter_slack = TRUE;

181
drivers/acpi/device_pm.c
View File

@ -401,6 +401,8 @@ static void acpi_pm_notify_handler(acpi_handle handle, u32 val, void *not_used)
if (val != ACPI_NOTIFY_DEVICE_WAKE)
return;
acpi_handle_debug(handle, "Wake notify\n");
adev = acpi_bus_get_acpi_device(handle);
if (!adev)
return;
@ -409,8 +411,12 @@ static void acpi_pm_notify_handler(acpi_handle handle, u32 val, void *not_used)
if (adev->wakeup.flags.notifier_present) {
pm_wakeup_ws_event(adev->wakeup.ws, 0, acpi_s2idle_wakeup());
if (adev->wakeup.context.func)
if (adev->wakeup.context.func) {
acpi_handle_debug(handle, "Running %pF for %s\n",
adev->wakeup.context.func,
dev_name(adev->wakeup.context.dev));
adev->wakeup.context.func(&adev->wakeup.context);
}
}
mutex_unlock(&acpi_pm_notifier_lock);
@ -682,55 +688,88 @@ static void acpi_pm_notify_work_func(struct acpi_device_wakeup_context *context)
}
}
static DEFINE_MUTEX(acpi_wakeup_lock);
static int __acpi_device_wakeup_enable(struct acpi_device *adev,
u32 target_state, int max_count)
{
struct acpi_device_wakeup *wakeup = &adev->wakeup;
acpi_status status;
int error = 0;
mutex_lock(&acpi_wakeup_lock);
if (wakeup->enable_count >= max_count)
goto out;
if (wakeup->enable_count > 0)
goto inc;
error = acpi_enable_wakeup_device_power(adev, target_state);
if (error)
goto out;
status = acpi_enable_gpe(wakeup->gpe_device, wakeup->gpe_number);
if (ACPI_FAILURE(status)) {
acpi_disable_wakeup_device_power(adev);
error = -EIO;
goto out;
}
inc:
wakeup->enable_count++;
out:
mutex_unlock(&acpi_wakeup_lock);
return error;
}
/**
* acpi_device_wakeup - Enable/disable wakeup functionality for device.
* @adev: ACPI device to enable/disable wakeup functionality for.
* acpi_device_wakeup_enable - Enable wakeup functionality for device.
* @adev: ACPI device to enable wakeup functionality for.
* @target_state: State the system is transitioning into.
* @enable: Whether to enable or disable the wakeup functionality.
*
* Enable/disable the GPE associated with @adev so that it can generate
* wakeup signals for the device in response to external (remote) events and
* enable/disable device wakeup power.
* Enable the GPE associated with @adev so that it can generate wakeup signals
* for the device in response to external (remote) events and enable wakeup
* power for it.
*
* Callers must ensure that @adev is a valid ACPI device node before executing
* this function.
*/
static int acpi_device_wakeup(struct acpi_device *adev, u32 target_state,
bool enable)
static int acpi_device_wakeup_enable(struct acpi_device *adev, u32 target_state)
{
struct acpi_device_wakeup *wakeup = &adev->wakeup;
if (enable) {
acpi_status res;
int error;
if (adev->wakeup.flags.enabled)
return 0;
error = acpi_enable_wakeup_device_power(adev, target_state);
if (error)
return error;
res = acpi_enable_gpe(wakeup->gpe_device, wakeup->gpe_number);
if (ACPI_FAILURE(res)) {
acpi_disable_wakeup_device_power(adev);
return -EIO;
}
adev->wakeup.flags.enabled = 1;
} else if (adev->wakeup.flags.enabled) {
acpi_disable_gpe(wakeup->gpe_device, wakeup->gpe_number);
acpi_disable_wakeup_device_power(adev);
adev->wakeup.flags.enabled = 0;
}
return 0;
return __acpi_device_wakeup_enable(adev, target_state, 1);
}
/**
* acpi_pm_set_device_wakeup - Enable/disable remote wakeup for given device.
* @dev: Device to enable/disable to generate wakeup events.
* @enable: Whether to enable or disable the wakeup functionality.
* acpi_device_wakeup_disable - Disable wakeup functionality for device.
* @adev: ACPI device to disable wakeup functionality for.
*
* Disable the GPE associated with @adev and disable wakeup power for it.
*
* Callers must ensure that @adev is a valid ACPI device node before executing
* this function.
*/
int acpi_pm_set_device_wakeup(struct device *dev, bool enable)
static void acpi_device_wakeup_disable(struct acpi_device *adev)
{
struct acpi_device_wakeup *wakeup = &adev->wakeup;
mutex_lock(&acpi_wakeup_lock);
if (!wakeup->enable_count)
goto out;
acpi_disable_gpe(wakeup->gpe_device, wakeup->gpe_number);
acpi_disable_wakeup_device_power(adev);
wakeup->enable_count--;
out:
mutex_unlock(&acpi_wakeup_lock);
}
static int __acpi_pm_set_device_wakeup(struct device *dev, bool enable,
int max_count)
{
struct acpi_device *adev;
int error;
@ -744,13 +783,41 @@ int acpi_pm_set_device_wakeup(struct device *dev, bool enable)
if (!acpi_device_can_wakeup(adev))
return -EINVAL;
error = acpi_device_wakeup(adev, acpi_target_system_state(), enable);
if (!enable) {
acpi_device_wakeup_disable(adev);
dev_dbg(dev, "Wakeup disabled by ACPI\n");
return 0;
}
error = __acpi_device_wakeup_enable(adev, acpi_target_system_state(),
max_count);
if (!error)
dev_dbg(dev, "Wakeup %s by ACPI\n", enable ? "enabled" : "disabled");
dev_dbg(dev, "Wakeup enabled by ACPI\n");
return error;
}
EXPORT_SYMBOL(acpi_pm_set_device_wakeup);
/**
* acpi_pm_set_device_wakeup - Enable/disable remote wakeup for given device.
* @dev: Device to enable/disable to generate wakeup events.
* @enable: Whether to enable or disable the wakeup functionality.
*/
int acpi_pm_set_device_wakeup(struct device *dev, bool enable)
{
return __acpi_pm_set_device_wakeup(dev, enable, 1);
}
EXPORT_SYMBOL_GPL(acpi_pm_set_device_wakeup);
/**
* acpi_pm_set_bridge_wakeup - Enable/disable remote wakeup for given bridge.
* @dev: Bridge device to enable/disable to generate wakeup events.
* @enable: Whether to enable or disable the wakeup functionality.
*/
int acpi_pm_set_bridge_wakeup(struct device *dev, bool enable)
{
return __acpi_pm_set_device_wakeup(dev, enable, INT_MAX);
}
EXPORT_SYMBOL_GPL(acpi_pm_set_bridge_wakeup);
/**
* acpi_dev_pm_low_power - Put ACPI device into a low-power state.
@ -800,13 +867,15 @@ int acpi_dev_runtime_suspend(struct device *dev)
remote_wakeup = dev_pm_qos_flags(dev, PM_QOS_FLAG_REMOTE_WAKEUP) >
PM_QOS_FLAGS_NONE;
error = acpi_device_wakeup(adev, ACPI_STATE_S0, remote_wakeup);
if (remote_wakeup && error)
return -EAGAIN;
if (remote_wakeup) {
error = acpi_device_wakeup_enable(adev, ACPI_STATE_S0);
if (error)
return -EAGAIN;
}
error = acpi_dev_pm_low_power(dev, adev, ACPI_STATE_S0);
if (error)
acpi_device_wakeup(adev, ACPI_STATE_S0, false);
if (error && remote_wakeup)
acpi_device_wakeup_disable(adev);
return error;
}
@ -829,7 +898,7 @@ int acpi_dev_runtime_resume(struct device *dev)
return 0;
error = acpi_dev_pm_full_power(adev);
acpi_device_wakeup(adev, ACPI_STATE_S0, false);
acpi_device_wakeup_disable(adev);
return error;
}
EXPORT_SYMBOL_GPL(acpi_dev_runtime_resume);
@ -884,13 +953,15 @@ int acpi_dev_suspend_late(struct device *dev)
target_state = acpi_target_system_state();
wakeup = device_may_wakeup(dev) && acpi_device_can_wakeup(adev);
error = acpi_device_wakeup(adev, target_state, wakeup);
if (wakeup && error)
return error;
if (wakeup) {
error = acpi_device_wakeup_enable(adev, target_state);
if (error)
return error;
}
error = acpi_dev_pm_low_power(dev, adev, target_state);
if (error)
acpi_device_wakeup(adev, ACPI_STATE_UNKNOWN, false);
if (error && wakeup)
acpi_device_wakeup_disable(adev);
return error;
}
@ -913,7 +984,7 @@ int acpi_dev_resume_early(struct device *dev)
return 0;
error = acpi_dev_pm_full_power(adev);
acpi_device_wakeup(adev, ACPI_STATE_UNKNOWN, false);
acpi_device_wakeup_disable(adev);
return error;
}
EXPORT_SYMBOL_GPL(acpi_dev_resume_early);
@ -1056,7 +1127,7 @@ static void acpi_dev_pm_detach(struct device *dev, bool power_off)
*/
dev_pm_qos_hide_latency_limit(dev);
dev_pm_qos_hide_flags(dev);
acpi_device_wakeup(adev, ACPI_STATE_S0, false);
acpi_device_wakeup_disable(adev);
acpi_dev_pm_low_power(dev, adev, ACPI_STATE_S0);
}
}
@ -1100,7 +1171,7 @@ int acpi_dev_pm_attach(struct device *dev, bool power_on)
dev_pm_domain_set(dev, &acpi_general_pm_domain);
if (power_on) {
acpi_dev_pm_full_power(adev);
acpi_device_wakeup(adev, ACPI_STATE_S0, false);
acpi_device_wakeup_disable(adev);
}
dev->pm_domain->detach = acpi_dev_pm_detach;

2
drivers/acpi/dock.c
View File

@ -585,7 +585,7 @@ static struct attribute *dock_attributes[] = {
NULL
};
static struct attribute_group dock_attribute_group = {
static const struct attribute_group dock_attribute_group = {
.attrs = dock_attributes
};

48
drivers/acpi/ec.c
View File

@ -112,8 +112,7 @@ enum {
EC_FLAGS_EVT_HANDLER_INSTALLED, /* _Qxx handlers installed */
EC_FLAGS_STARTED, /* Driver is started */
EC_FLAGS_STOPPED, /* Driver is stopped */
EC_FLAGS_COMMAND_STORM, /* GPE storms occurred to the
* current command processing */
EC_FLAGS_GPE_MASKED, /* GPE masked */
};
#define ACPI_EC_COMMAND_POLL 0x01 /* Available for command byte */
@ -425,19 +424,19 @@ static void acpi_ec_complete_request(struct acpi_ec *ec)
wake_up(&ec->wait);
}
static void acpi_ec_set_storm(struct acpi_ec *ec, u8 flag)
static void acpi_ec_mask_gpe(struct acpi_ec *ec)
{
if (!test_bit(flag, &ec->flags)) {
if (!test_bit(EC_FLAGS_GPE_MASKED, &ec->flags)) {
acpi_ec_disable_gpe(ec, false);
ec_dbg_drv("Polling enabled");
set_bit(flag, &ec->flags);
set_bit(EC_FLAGS_GPE_MASKED, &ec->flags);
}
}
static void acpi_ec_clear_storm(struct acpi_ec *ec, u8 flag)
static void acpi_ec_unmask_gpe(struct acpi_ec *ec)
{
if (test_bit(flag, &ec->flags)) {
clear_bit(flag, &ec->flags);
if (test_bit(EC_FLAGS_GPE_MASKED, &ec->flags)) {
clear_bit(EC_FLAGS_GPE_MASKED, &ec->flags);
acpi_ec_enable_gpe(ec, false);
ec_dbg_drv("Polling disabled");
}
@ -464,7 +463,7 @@ static bool acpi_ec_submit_flushable_request(struct acpi_ec *ec)
static void acpi_ec_submit_query(struct acpi_ec *ec)
{
acpi_ec_set_storm(ec, EC_FLAGS_COMMAND_STORM);
acpi_ec_mask_gpe(ec);
if (!acpi_ec_event_enabled(ec))
return;
if (!test_and_set_bit(EC_FLAGS_QUERY_PENDING, &ec->flags)) {
@ -480,7 +479,7 @@ static void acpi_ec_complete_query(struct acpi_ec *ec)
if (test_and_clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags))
ec_dbg_evt("Command(%s) unblocked",
acpi_ec_cmd_string(ACPI_EC_COMMAND_QUERY));
acpi_ec_clear_storm(ec, EC_FLAGS_COMMAND_STORM);
acpi_ec_unmask_gpe(ec);
}
static inline void __acpi_ec_enable_event(struct acpi_ec *ec)
@ -700,7 +699,7 @@ err:
++t->irq_count;
/* Allow triggering on 0 threshold */
if (t->irq_count == ec_storm_threshold)
acpi_ec_set_storm(ec, EC_FLAGS_COMMAND_STORM);
acpi_ec_mask_gpe(ec);
}
}
out:
@ -798,7 +797,7 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec,
spin_lock_irqsave(&ec->lock, tmp);
if (t->irq_count == ec_storm_threshold)
acpi_ec_clear_storm(ec, EC_FLAGS_COMMAND_STORM);
acpi_ec_unmask_gpe(ec);
ec_dbg_req("Command(%s) stopped", acpi_ec_cmd_string(t->command));
ec->curr = NULL;
/* Disable GPE for command processing (IBF=0/OBF=1) */
@ -1586,9 +1585,7 @@ static bool acpi_is_boot_ec(struct acpi_ec *ec)
{
if (!boot_ec)
return false;
if (ec->handle == boot_ec->handle &&
ec->gpe == boot_ec->gpe &&
ec->command_addr == boot_ec->command_addr &&
if (ec->command_addr == boot_ec->command_addr &&
ec->data_addr == boot_ec->data_addr)
return true;
return false;
@ -1613,6 +1610,13 @@ static int acpi_ec_add(struct acpi_device *device)
if (acpi_is_boot_ec(ec)) {
boot_ec_is_ecdt = false;
/*
* Trust PNP0C09 namespace location rather than ECDT ID.
*
* But trust ECDT GPE rather than _GPE because of ASUS quirks,
* so do not change boot_ec->gpe to ec->gpe.
*/
boot_ec->handle = ec->handle;
acpi_handle_debug(ec->handle, "duplicated.\n");
acpi_ec_free(ec);
ec = boot_ec;
@ -1747,18 +1751,20 @@ static int __init acpi_ec_ecdt_start(void)
if (!boot_ec)
return -ENODEV;
/*
* The DSDT EC should have already been started in
* acpi_ec_add().
*/
/* In case acpi_ec_ecdt_start() is called after acpi_ec_add() */
if (!boot_ec_is_ecdt)
return -ENODEV;
/*
* At this point, the namespace and the GPE is initialized, so
* start to find the namespace objects and handle the events.
*
* Note: ec->handle can be valid if this function is called after
* acpi_ec_add(), hence the fast path.
*/
if (!acpi_ec_ecdt_get_handle(&handle))
if (boot_ec->handle != ACPI_ROOT_OBJECT)
handle = boot_ec->handle;
else if (!acpi_ec_ecdt_get_handle(&handle))
return -ENODEV;
return acpi_config_boot_ec(boot_ec, handle, true, true);
}
@ -2011,8 +2017,8 @@ int __init acpi_ec_init(void)
return result;
/* Drivers must be started after acpi_ec_query_init() */
ecdt_fail = acpi_ec_ecdt_start();
dsdt_fail = acpi_bus_register_driver(&acpi_ec_driver);
ecdt_fail = acpi_ec_ecdt_start();
return ecdt_fail && dsdt_fail ? -ENODEV : 0;
}

6
drivers/acpi/internal.h
View File

@ -232,6 +232,12 @@ static inline void suspend_nvs_restore(void) {}
void acpi_init_properties(struct acpi_device *adev);
void acpi_free_properties(struct acpi_device *adev);
#ifdef CONFIG_X86
void acpi_extract_apple_properties(struct acpi_device *adev);
#else
static inline void acpi_extract_apple_properties(struct acpi_device *adev) {}
#endif
/*--------------------------------------------------------------------------
Watchdog
-------------------------------------------------------------------------- */

37
drivers/acpi/osi.c
View File

@ -27,6 +27,7 @@
#include <linux/kernel.h>
#include <linux/acpi.h>
#include <linux/dmi.h>
#include <linux/platform_data/x86/apple.h>
#include "internal.h"
@ -257,12 +258,11 @@ bool acpi_osi_is_win8(void)
}
EXPORT_SYMBOL(acpi_osi_is_win8);
static void __init acpi_osi_dmi_darwin(bool enable,
const struct dmi_system_id *d)
static void __init acpi_osi_dmi_darwin(void)
{
pr_notice("DMI detected to setup _OSI(\"Darwin\"): %s\n", d->ident);
pr_notice("DMI detected to setup _OSI(\"Darwin\"): Apple hardware\n");
osi_config.darwin_dmi = 1;
__acpi_osi_setup_darwin(enable);
__acpi_osi_setup_darwin(true);
}
static void __init acpi_osi_dmi_linux(bool enable,
@ -273,13 +273,6 @@ static void __init acpi_osi_dmi_linux(bool enable,
__acpi_osi_setup_linux(enable);
}
static int __init dmi_enable_osi_darwin(const struct dmi_system_id *d)
{
acpi_osi_dmi_darwin(true, d);
return 0;
}
static int __init dmi_enable_osi_linux(const struct dmi_system_id *d)
{
acpi_osi_dmi_linux(true, d);
@ -481,30 +474,16 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
DMI_MATCH(DMI_PRODUCT_NAME, "1015PX"),
},
},
/*
* Enable _OSI("Darwin") for all apple platforms.
*/
{
.callback = dmi_enable_osi_darwin,
.ident = "Apple hardware",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
},
},
{
.callback = dmi_enable_osi_darwin,
.ident = "Apple hardware",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Apple Computer, Inc."),
},
},
{}
};
static __init void acpi_osi_dmi_blacklisted(void)
{
dmi_check_system(acpi_osi_dmi_table);
/* Enable _OSI("Darwin") for Apple platforms. */
if (x86_apple_machine)
acpi_osi_dmi_darwin();
}
int __init early_acpi_osi_init(void)

4
drivers/acpi/pci_root.c
View File

@ -33,6 +33,7 @@
#include <linux/acpi.h>
#include <linux/slab.h>
#include <linux/dmi.h>
#include <linux/platform_data/x86/apple.h>
#include <acpi/apei.h> /* for acpi_hest_init() */
#include "internal.h"
@ -431,8 +432,7 @@ static void negotiate_os_control(struct acpi_pci_root *root, int *no_aspm)
* been called successfully. We know the feature set supported by the
* platform, so avoid calling _OSC at all
*/
if (dmi_match(DMI_SYS_VENDOR, "Apple Inc.")) {
if (x86_apple_machine) {
root->osc_control_set = ~OSC_PCI_EXPRESS_PME_CONTROL;
decode_osc_control(root, "OS assumes control of",
root->osc_control_set);

21
drivers/acpi/pmic/intel_pmic_xpower.c
View File

@ -27,6 +27,9 @@
#define GPI1_LDO_ON (3 << 0)
#define GPI1_LDO_OFF (4 << 0)
#define AXP288_ADC_TS_PIN_GPADC 0xf2
#define AXP288_ADC_TS_PIN_ON 0xf3
static struct pmic_table power_table[] = {
{
.address = 0x00,
@ -209,11 +212,23 @@ static int intel_xpower_pmic_update_power(struct regmap *regmap, int reg,
static int intel_xpower_pmic_get_raw_temp(struct regmap *regmap, int reg)
{
u8 buf[2];
int ret;
if (regmap_bulk_read(regmap, AXP288_GP_ADC_H, buf, 2))
return -EIO;
ret = regmap_write(regmap, AXP288_ADC_TS_PIN_CTRL,
AXP288_ADC_TS_PIN_GPADC);
if (ret)
return ret;
return (buf[0] << 4) + ((buf[1] >> 4) & 0x0F);
/* After switching to the GPADC pin give things some time to settle */
usleep_range(6000, 10000);
ret = regmap_bulk_read(regmap, AXP288_GP_ADC_H, buf, 2);
if (ret == 0)
ret = (buf[0] << 4) + ((buf[1] >> 4) & 0x0f);
regmap_write(regmap, AXP288_ADC_TS_PIN_CTRL, AXP288_ADC_TS_PIN_ON);
return ret;
}
static struct intel_pmic_opregion_data intel_xpower_pmic_opregion_data = {

2
drivers/acpi/processor_driver.c
View File

@ -237,7 +237,7 @@ static int __acpi_processor_start(struct acpi_device *device)
result = acpi_cppc_processor_probe(pr);
if (result && !IS_ENABLED(CONFIG_ACPI_CPU_FREQ_PSS))
dev_warn(&device->dev, "CPPC data invalid or not present\n");
dev_dbg(&device->dev, "CPPC data invalid or not present\n");
if (!cpuidle_get_driver() || cpuidle_get_driver() == &acpi_idle_driver)
acpi_processor_power_init(pr);

6
drivers/acpi/property.c
View File

@ -339,6 +339,9 @@ void acpi_init_properties(struct acpi_device *adev)
INIT_LIST_HEAD(&adev->data.subnodes);
if (!adev->handle)
return;
/*
* Check if ACPI_DT_NAMESPACE_HID is present and inthat case we fill in
* Device Tree compatible properties for this device.
@ -373,6 +376,9 @@ void acpi_init_properties(struct acpi_device *adev)
if (acpi_of && !adev->flags.of_compatible_ok)
acpi_handle_info(adev->handle,
ACPI_DT_NAMESPACE_HID " requires 'compatible' property\n");
if (!adev->data.pointer)
acpi_extract_apple_properties(adev);
}
static void acpi_destroy_nondev_subnodes(struct list_head *list)

88
drivers/acpi/resource.c
View File

@ -573,6 +573,35 @@ static acpi_status acpi_dev_process_resource(struct acpi_resource *ares,
return AE_OK;
}
static int __acpi_dev_get_resources(struct acpi_device *adev,
struct list_head *list,
int (*preproc)(struct acpi_resource *, void *),
void *preproc_data, char *method)
{
struct res_proc_context c;
acpi_status status;
if (!adev || !adev->handle || !list_empty(list))
return -EINVAL;
if (!acpi_has_method(adev->handle, method))
return 0;
c.list = list;
c.preproc = preproc;
c.preproc_data = preproc_data;
c.count = 0;
c.error = 0;
status = acpi_walk_resources(adev->handle, method,
acpi_dev_process_resource, &c);
if (ACPI_FAILURE(status)) {
acpi_dev_free_resource_list(list);
return c.error ? c.error : -EIO;
}
return c.count;
}
/**
* acpi_dev_get_resources - Get current resources of a device.
* @adev: ACPI device node to get the resources for.
@ -601,31 +630,46 @@ int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
int (*preproc)(struct acpi_resource *, void *),
void *preproc_data)
{
struct res_proc_context c;
acpi_status status;
if (!adev || !adev->handle || !list_empty(list))
return -EINVAL;
if (!acpi_has_method(adev->handle, METHOD_NAME__CRS))
return 0;
c.list = list;
c.preproc = preproc;
c.preproc_data = preproc_data;
c.count = 0;
c.error = 0;
status = acpi_walk_resources(adev->handle, METHOD_NAME__CRS,
acpi_dev_process_resource, &c);
if (ACPI_FAILURE(status)) {
acpi_dev_free_resource_list(list);
return c.error ? c.error : -EIO;
}
return c.count;
return __acpi_dev_get_resources(adev, list, preproc, preproc_data,
METHOD_NAME__CRS);
}
EXPORT_SYMBOL_GPL(acpi_dev_get_resources);
static int is_memory(struct acpi_resource *ares, void *not_used)
{
struct resource_win win;
struct resource *res = &win.res;
memset(&win, 0, sizeof(win));
return !(acpi_dev_resource_memory(ares, res)
|| acpi_dev_resource_address_space(ares, &win)
|| acpi_dev_resource_ext_address_space(ares, &win));
}
/**
* acpi_dev_get_dma_resources - Get current DMA resources of a device.
* @adev: ACPI device node to get the resources for.
* @list: Head of the resultant list of resources (must be empty).
*
* Evaluate the _DMA method for the given device node and process its
* output.
*
* The resultant struct resource objects are put on the list pointed to
* by @list, that must be empty initially, as members of struct
* resource_entry objects. Callers of this routine should use
* %acpi_dev_free_resource_list() to free that list.
*
* The number of resources in the output list is returned on success,
* an error code reflecting the error condition is returned otherwise.
*/
int acpi_dev_get_dma_resources(struct acpi_device *adev, struct list_head *list)
{
return __acpi_dev_get_resources(adev, list, is_memory, NULL,
METHOD_NAME__DMA);
}
EXPORT_SYMBOL_GPL(acpi_dev_get_dma_resources);
/**
* acpi_dev_filter_resource_type - Filter ACPI resource according to resource
* types

27
drivers/acpi/sbs.c
View File

@ -31,7 +31,7 @@
#include <linux/jiffies.h>
#include <linux/delay.h>
#include <linux/power_supply.h>
#include <linux/dmi.h>
#include <linux/platform_data/x86/apple.h>
#include "sbshc.h"
#include "battery.h"
@ -58,8 +58,6 @@ static unsigned int cache_time = 1000;
module_param(cache_time, uint, 0644);
MODULE_PARM_DESC(cache_time, "cache time in milliseconds");
static bool sbs_manager_broken;
#define MAX_SBS_BAT 4
#define ACPI_SBS_BLOCK_MAX 32
@ -476,7 +474,7 @@ static ssize_t acpi_battery_alarm_store(struct device *dev,
return count;
}
static struct device_attribute alarm_attr = {
static const struct device_attribute alarm_attr = {
.attr = {.name = "alarm", .mode = 0644},
.show = acpi_battery_alarm_show,
.store = acpi_battery_alarm_store,
@ -632,31 +630,12 @@ static void acpi_sbs_callback(void *context)
}
}
static int disable_sbs_manager(const struct dmi_system_id *d)
{
sbs_manager_broken = true;
return 0;
}
static struct dmi_system_id acpi_sbs_dmi_table[] = {
{
.callback = disable_sbs_manager,
.ident = "Apple",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc.")
},
},
{ },
};
static int acpi_sbs_add(struct acpi_device *device)
{
struct acpi_sbs *sbs;
int result = 0;
int id;
dmi_check_system(acpi_sbs_dmi_table);
sbs = kzalloc(sizeof(struct acpi_sbs), GFP_KERNEL);
if (!sbs) {
result = -ENOMEM;
@ -677,7 +656,7 @@ static int acpi_sbs_add(struct acpi_device *device)
result = 0;
if (!sbs_manager_broken) {
if (!x86_apple_machine) {
result = acpi_manager_get_info(sbs);
if (!result) {
sbs->manager_present = 1;

104
drivers/acpi/scan.c
View File

@ -13,6 +13,7 @@
#include <linux/dmi.h>
#include <linux/nls.h>
#include <linux/dma-mapping.h>
#include <linux/platform_data/x86/apple.h>
#include <asm/pgtable.h>
@ -1359,6 +1360,85 @@ enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
return DEV_DMA_NON_COHERENT;
}
/**
* acpi_dma_get_range() - Get device DMA parameters.
*
* @dev: device to configure
* @dma_addr: pointer device DMA address result
* @offset: pointer to the DMA offset result
* @size: pointer to DMA range size result
*
* Evaluate DMA regions and return respectively DMA region start, offset
* and size in dma_addr, offset and size on parsing success; it does not
* update the passed in values on failure.
*
* Return 0 on success, < 0 on failure.
*/
int acpi_dma_get_range(struct device *dev, u64 *dma_addr, u64 *offset,
u64 *size)
{
struct acpi_device *adev;
LIST_HEAD(list);
struct resource_entry *rentry;
int ret;
struct device *dma_dev = dev;
u64 len, dma_start = U64_MAX, dma_end = 0, dma_offset = 0;
/*
* Walk the device tree chasing an ACPI companion with a _DMA
* object while we go. Stop if we find a device with an ACPI
* companion containing a _DMA method.
*/
do {
adev = ACPI_COMPANION(dma_dev);
if (adev && acpi_has_method(adev->handle, METHOD_NAME__DMA))
break;
dma_dev = dma_dev->parent;
} while (dma_dev);
if (!dma_dev)
return -ENODEV;
if (!acpi_has_method(adev->handle, METHOD_NAME__CRS)) {
acpi_handle_warn(adev->handle, "_DMA is valid only if _CRS is present\n");
return -EINVAL;
}
ret = acpi_dev_get_dma_resources(adev, &list);
if (ret > 0) {
list_for_each_entry(rentry, &list, node) {
if (dma_offset && rentry->offset != dma_offset) {
ret = -EINVAL;
dev_warn(dma_dev, "Can't handle multiple windows with different offsets\n");
goto out;
}
dma_offset = rentry->offset;
/* Take lower and upper limits */
if (rentry->res->start < dma_start)
dma_start = rentry->res->start;
if (rentry->res->end > dma_end)
dma_end = rentry->res->end;
}
if (dma_start >= dma_end) {
ret = -EINVAL;
dev_dbg(dma_dev, "Invalid DMA regions configuration\n");
goto out;
}
*dma_addr = dma_start - dma_offset;
len = dma_end - dma_start;
*size = max(len, len + 1);
*offset = dma_offset;
}
out:
acpi_dev_free_resource_list(&list);
return ret >= 0 ? 0 : ret;
}
/**
* acpi_dma_configure - Set-up DMA configuration for the device.
* @dev: The pointer to the device
@ -1367,20 +1447,16 @@ enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
int acpi_dma_configure(struct device *dev, enum dev_dma_attr attr)
{
const struct iommu_ops *iommu;
u64 size;
u64 dma_addr = 0, size = 0;
iort_set_dma_mask(dev);
iort_dma_setup(dev, &dma_addr, &size);
iommu = iort_iommu_configure(dev);
if (IS_ERR(iommu) && PTR_ERR(iommu) == -EPROBE_DEFER)
return -EPROBE_DEFER;
size = max(dev->coherent_dma_mask, dev->coherent_dma_mask + 1);
/*
* Assume dma valid range starts at 0 and covers the whole
* coherent_dma_mask.
*/
arch_setup_dma_ops(dev, 0, size, iommu, attr == DEV_DMA_COHERENT);
arch_setup_dma_ops(dev, dma_addr, size,
iommu, attr == DEV_DMA_COHERENT);
return 0;
}
@ -1452,6 +1528,12 @@ static bool acpi_is_spi_i2c_slave(struct acpi_device *device)
struct list_head resource_list;
bool is_spi_i2c_slave = false;
/* Macs use device properties in lieu of _CRS resources */
if (x86_apple_machine &&
(fwnode_property_present(&device->fwnode, "spiSclkPeriod") ||
fwnode_property_present(&device->fwnode, "i2cAddress")))
return true;
INIT_LIST_HEAD(&resource_list);
acpi_dev_get_resources(device, &resource_list, acpi_check_spi_i2c_slave,
&is_spi_i2c_slave);
@ -2058,6 +2140,9 @@ int __init acpi_scan_init(void)
acpi_get_spcr_uart_addr();
}
acpi_gpe_apply_masked_gpes();
acpi_update_all_gpes();
mutex_lock(&acpi_scan_lock);
/*
* Enumerate devices in the ACPI namespace.
@ -2082,9 +2167,6 @@ int __init acpi_scan_init(void)
}
}
acpi_gpe_apply_masked_gpes();
acpi_update_all_gpes();
acpi_scan_initialized = true;
out:

2
drivers/acpi/sleep.c
View File

@ -1044,7 +1044,7 @@ static struct syscore_ops acpi_sleep_syscore_ops = {
.resume = acpi_restore_bm_rld,
};
void acpi_sleep_syscore_init(void)
static void acpi_sleep_syscore_init(void)
{
register_syscore_ops(&acpi_sleep_syscore_ops);
}

36
drivers/acpi/spcr.c
View File

@ -53,17 +53,24 @@ static bool qdf2400_erratum_44_present(struct acpi_table_header *h)
*/
static bool xgene_8250_erratum_present(struct acpi_table_spcr *tb)
{
bool xgene_8250 = false;
if (tb->interface_type != ACPI_DBG2_16550_COMPATIBLE)
return false;
if (memcmp(tb->header.oem_id, "APMC0D", ACPI_OEM_ID_SIZE))
if (memcmp(tb->header.oem_id, "APMC0D", ACPI_OEM_ID_SIZE) &&
memcmp(tb->header.oem_id, "HPE ", ACPI_OEM_ID_SIZE))
return false;
if (!memcmp(tb->header.oem_table_id, "XGENESPC",
ACPI_OEM_TABLE_ID_SIZE) && tb->header.oem_revision == 0)
return true;
xgene_8250 = true;
return false;
if (!memcmp(tb->header.oem_table_id, "ProLiant",
ACPI_OEM_TABLE_ID_SIZE) && tb->header.oem_revision == 1)
xgene_8250 = true;
return xgene_8250;
}
/**
@ -105,16 +112,17 @@ int __init parse_spcr(bool earlycon)
}
if (table->serial_port.space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
switch (table->serial_port.access_width) {
switch (ACPI_ACCESS_BIT_WIDTH((
table->serial_port.access_width))) {
default:
pr_err("Unexpected SPCR Access Width. Defaulting to byte size\n");
case ACPI_ACCESS_SIZE_BYTE:
case 8:
iotype = "mmio";
break;
case ACPI_ACCESS_SIZE_WORD:
case 16:
iotype = "mmio16";
break;
case ACPI_ACCESS_SIZE_DWORD:
case 32:
iotype = "mmio32";
break;
}
@ -181,11 +189,19 @@ int __init parse_spcr(bool earlycon)
uart = "qdf2400_e44";
}
if (xgene_8250_erratum_present(table))
if (xgene_8250_erratum_present(table)) {
iotype = "mmio32";
snprintf(opts, sizeof(opts), "%s,%s,0x%llx,%d", uart, iotype,
table->serial_port.address, baud_rate);
/* for xgene v1 and v2 we don't know the clock rate of the
* UART so don't attempt to change to the baud rate state
* in the table because driver cannot calculate the dividers
*/
snprintf(opts, sizeof(opts), "%s,%s,0x%llx", uart, iotype,
table->serial_port.address);
} else {
snprintf(opts, sizeof(opts), "%s,%s,0x%llx,%d", uart, iotype,
table->serial_port.address, baud_rate);
}
pr_info("console: %s\n", opts);

91
drivers/acpi/sysfs.c
View File

@ -2,6 +2,8 @@
* sysfs.c - ACPI sysfs interface to userspace.
*/
#define pr_fmt(fmt) "ACPI: " fmt
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/moduleparam.h>
@ -306,11 +308,13 @@ module_param_call(acpica_version, NULL, param_get_acpica_version, NULL, 0444);
/*
* ACPI table sysfs I/F:
* /sys/firmware/acpi/tables/
* /sys/firmware/acpi/tables/data/
* /sys/firmware/acpi/tables/dynamic/
*/
static LIST_HEAD(acpi_table_attr_list);
static struct kobject *tables_kobj;
static struct kobject *tables_data_kobj;
static struct kobject *dynamic_tables_kobj;
static struct kobject *hotplug_kobj;
@ -325,6 +329,11 @@ struct acpi_table_attr {
struct list_head node;
};
struct acpi_data_attr {
struct bin_attribute attr;
u64 addr;
};
static ssize_t acpi_table_show(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buf,
loff_t offset, size_t count)
@ -420,6 +429,70 @@ acpi_status acpi_sysfs_table_handler(u32 event, void *table, void *context)
return AE_OK;
}
static ssize_t acpi_data_show(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buf,
loff_t offset, size_t count)
{
struct acpi_data_attr *data_attr;
void __iomem *base;
ssize_t rc;
data_attr = container_of(bin_attr, struct acpi_data_attr, attr);
base = acpi_os_map_memory(data_attr->addr, data_attr->attr.size);
if (!base)
return -ENOMEM;
rc = memory_read_from_buffer(buf, count, &offset, base,
data_attr->attr.size);
acpi_os_unmap_memory(base, data_attr->attr.size);
return rc;
}
static int acpi_bert_data_init(void *th, struct acpi_data_attr *data_attr)
{
struct acpi_table_bert *bert = th;
if (bert->header.length < sizeof(struct acpi_table_bert) ||
bert->region_length < sizeof(struct acpi_hest_generic_status)) {
kfree(data_attr);
return -EINVAL;
}
data_attr->addr = bert->address;
data_attr->attr.size = bert->region_length;
data_attr->attr.attr.name = "BERT";
return sysfs_create_bin_file(tables_data_kobj, &data_attr->attr);
}
static struct acpi_data_obj {
char *name;
int (*fn)(void *, struct acpi_data_attr *);
} acpi_data_objs[] = {
{ ACPI_SIG_BERT, acpi_bert_data_init },
};
#define NUM_ACPI_DATA_OBJS ARRAY_SIZE(acpi_data_objs)
static int acpi_table_data_init(struct acpi_table_header *th)
{
struct acpi_data_attr *data_attr;
int i;
for (i = 0; i < NUM_ACPI_DATA_OBJS; i++) {
if (ACPI_COMPARE_NAME(th->signature, acpi_data_objs[i].name)) {
data_attr = kzalloc(sizeof(*data_attr), GFP_KERNEL);
if (!data_attr)
return -ENOMEM;
sysfs_attr_init(&data_attr->attr.attr);
data_attr->attr.read = acpi_data_show;
data_attr->attr.attr.mode = 0400;
return acpi_data_objs[i].fn(th, data_attr);
}
}
return 0;
}
static int acpi_tables_sysfs_init(void)
{
struct acpi_table_attr *table_attr;
@ -432,6 +505,10 @@ static int acpi_tables_sysfs_init(void)
if (!tables_kobj)
goto err;
tables_data_kobj = kobject_create_and_add("data", tables_kobj);
if (!tables_data_kobj)
goto err_tables_data;
dynamic_tables_kobj = kobject_create_and_add("dynamic", tables_kobj);
if (!dynamic_tables_kobj)
goto err_dynamic_tables;
@ -456,13 +533,17 @@ static int acpi_tables_sysfs_init(void)
return ret;
}
list_add_tail(&table_attr->node, &acpi_table_attr_list);
acpi_table_data_init(table_header);
}
kobject_uevent(tables_kobj, KOBJ_ADD);
kobject_uevent(tables_data_kobj, KOBJ_ADD);
kobject_uevent(dynamic_tables_kobj, KOBJ_ADD);
return 0;
err_dynamic_tables:
kobject_put(tables_data_kobj);
err_tables_data:
kobject_put(tables_kobj);
err:
return -ENOMEM;
@ -552,11 +633,15 @@ static void fixed_event_count(u32 event_number)
static void acpi_global_event_handler(u32 event_type, acpi_handle device,
u32 event_number, void *context)
{
if (event_type == ACPI_EVENT_TYPE_GPE)
if (event_type == ACPI_EVENT_TYPE_GPE) {
gpe_count(event_number);
if (event_type == ACPI_EVENT_TYPE_FIXED)
pr_debug("GPE event 0x%02x\n", event_number);
} else if (event_type == ACPI_EVENT_TYPE_FIXED) {
fixed_event_count(event_number);
pr_debug("Fixed event 0x%02x\n", event_number);
} else {
pr_debug("Other event 0x%02x\n", event_number);
}
}
static int get_status(u32 index, acpi_event_status *status,

4
drivers/acpi/tables.c
View File

@ -740,10 +740,10 @@ int __init acpi_table_init(void)
if (acpi_verify_table_checksum) {
pr_info("Early table checksum verification enabled\n");
acpi_gbl_verify_table_checksum = TRUE;
acpi_gbl_enable_table_validation = TRUE;
} else {
pr_info("Early table checksum verification disabled\n");
acpi_gbl_verify_table_checksum = FALSE;
acpi_gbl_enable_table_validation = FALSE;
}
status = acpi_initialize_tables(initial_tables, ACPI_MAX_TABLES, 0);

36
drivers/acpi/utils.c
View File

@ -816,3 +816,39 @@ static int __init acpi_backlight(char *str)
return 1;
}
__setup("acpi_backlight=", acpi_backlight);
/**
* acpi_match_platform_list - Check if the system matches with a given list
* @plat: pointer to acpi_platform_list table terminated by a NULL entry
*
* Return the matched index if the system is found in the platform list.
* Otherwise, return a negative error code.
*/
int acpi_match_platform_list(const struct acpi_platform_list *plat)
{
struct acpi_table_header hdr;
int idx = 0;
if (acpi_disabled)
return -ENODEV;
for (; plat->oem_id[0]; plat++, idx++) {
if (ACPI_FAILURE(acpi_get_table_header(plat->table, 0, &hdr)))
continue;
if (strncmp(plat->oem_id, hdr.oem_id, ACPI_OEM_ID_SIZE))
continue;
if (strncmp(plat->oem_table_id, hdr.oem_table_id, ACPI_OEM_TABLE_ID_SIZE))
continue;
if ((plat->pred == all_versions) ||
(plat->pred == less_than_or_equal && hdr.oem_revision <= plat->oem_revision) ||
(plat->pred == greater_than_or_equal && hdr.oem_revision >= plat->oem_revision) ||
(plat->pred == equal && hdr.oem_revision == plat->oem_revision))
return idx;
}
return -ENODEV;
}
EXPORT_SYMBOL(acpi_match_platform_list);

14
drivers/acpi/video_detect.c
View File

@ -103,6 +103,12 @@ static int video_detect_force_native(const struct dmi_system_id *d)
return 0;
}
static int video_detect_force_none(const struct dmi_system_id *d)
{
acpi_backlight_dmi = acpi_backlight_none;
return 0;
}
static const struct dmi_system_id video_detect_dmi_table[] = {
/* On Samsung X360, the BIOS will set a flag (VDRV) if generic
* ACPI backlight device is used. This flag will definitively break
@ -313,6 +319,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Precision 7510"),
},
},
{
.callback = video_detect_force_none,
.ident = "Dell OptiPlex 9020M",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 9020M"),
},
},
{ },
};

141
drivers/acpi/x86/apple.c 100644
View File

@ -0,0 +1,141 @@
/*
* apple.c - Apple ACPI quirks
* Copyright (C) 2017 Lukas Wunner <lukas@wunner.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License (version 2) as
* published by the Free Software Foundation.
*/
#include <linux/acpi.h>
#include <linux/bitmap.h>
#include <linux/platform_data/x86/apple.h>
#include <linux/uuid.h>
/* Apple _DSM device properties GUID */
static const guid_t apple_prp_guid =
GUID_INIT(0xa0b5b7c6, 0x1318, 0x441c,
0xb0, 0xc9, 0xfe, 0x69, 0x5e, 0xaf, 0x94, 0x9b);
/**
* acpi_extract_apple_properties - retrieve and convert Apple _DSM properties
* @adev: ACPI device for which to retrieve the properties
*
* Invoke Apple's custom _DSM once to check the protocol version and once more
* to retrieve the properties. They are marshalled up in a single package as
* alternating key/value elements, unlike _DSD which stores them as a package
* of 2-element packages. Convert to _DSD format and make them available under
* the primary fwnode.
*/
void acpi_extract_apple_properties(struct acpi_device *adev)
{
unsigned int i, j = 0, newsize = 0, numprops, numvalid;
union acpi_object *props, *newprops;
unsigned long *valid = NULL;
void *free_space;
if (!x86_apple_machine)
return;
props = acpi_evaluate_dsm_typed(adev->handle, &apple_prp_guid, 1, 0,
NULL, ACPI_TYPE_BUFFER);
if (!props)
return;
if (!props->buffer.length)
goto out_free;
if (props->buffer.pointer[0] != 3) {
acpi_handle_info(adev->handle, FW_INFO
"unsupported properties version %*ph\n",
props->buffer.length, props->buffer.pointer);
goto out_free;
}
ACPI_FREE(props);
props = acpi_evaluate_dsm_typed(adev->handle, &apple_prp_guid, 1, 1,
NULL, ACPI_TYPE_PACKAGE);
if (!props)
return;
numprops = props->package.count / 2;
if (!numprops)
goto out_free;
valid = kcalloc(BITS_TO_LONGS(numprops), sizeof(long), GFP_KERNEL);
if (!valid)
goto out_free;
/* newsize = key length + value length of each tuple */
for (i = 0; i < numprops; i++) {
union acpi_object *key = &props->package.elements[i * 2];
union acpi_object *val = &props->package.elements[i * 2 + 1];
if ( key->type != ACPI_TYPE_STRING ||
(val->type != ACPI_TYPE_INTEGER &&
val->type != ACPI_TYPE_BUFFER))
continue; /* skip invalid properties */
__set_bit(i, valid);
newsize += key->string.length + 1;
if ( val->type == ACPI_TYPE_BUFFER)
newsize += val->buffer.length;
}
numvalid = bitmap_weight(valid, numprops);
if (numprops > numvalid)
acpi_handle_info(adev->handle, FW_INFO
"skipped %u properties: wrong type\n",
numprops - numvalid);
if (numvalid == 0)
goto out_free;
/* newsize += top-level package + 3 objects for each key/value tuple */
newsize += (1 + 3 * numvalid) * sizeof(union acpi_object);
newprops = ACPI_ALLOCATE_ZEROED(newsize);
if (!newprops)
goto out_free;
/* layout: top-level package | packages | key/value tuples | strings */
newprops->type = ACPI_TYPE_PACKAGE;
newprops->package.count = numvalid;
newprops->package.elements = &newprops[1];
free_space = &newprops[1 + 3 * numvalid];
for_each_set_bit(i, valid, numprops) {
union acpi_object *key = &props->package.elements[i * 2];
union acpi_object *val = &props->package.elements[i * 2 + 1];
unsigned int k = 1 + numvalid + j * 2; /* index into newprops */
unsigned int v = k + 1;
newprops[1 + j].type = ACPI_TYPE_PACKAGE;
newprops[1 + j].package.count = 2;
newprops[1 + j].package.elements = &newprops[k];
newprops[k].type = ACPI_TYPE_STRING;
newprops[k].string.length = key->string.length;
newprops[k].string.pointer = free_space;
memcpy(free_space, key->string.pointer, key->string.length);
free_space += key->string.length + 1;
newprops[v].type = val->type;
if (val->type == ACPI_TYPE_INTEGER) {
newprops[v].integer.value = val->integer.value;
} else {
newprops[v].buffer.length = val->buffer.length;
newprops[v].buffer.pointer = free_space;
memcpy(free_space, val->buffer.pointer,
val->buffer.length);
free_space += val->buffer.length;
}
j++; /* count valid properties */
}
WARN_ON(free_space != (void *)newprops + newsize);
adev->data.properties = newprops;
adev->data.pointer = newprops;
out_free:
ACPI_FREE(props);
kfree(valid);
}

64
drivers/cpufreq/intel_pstate.c
View File

@ -2194,39 +2194,31 @@ enum {
PPC,
};
struct hw_vendor_info {
u16 valid;
char oem_id[ACPI_OEM_ID_SIZE];
char oem_table_id[ACPI_OEM_TABLE_ID_SIZE];
int oem_pwr_table;
};
/* Hardware vendor-specific info that has its own power management modes */
static struct hw_vendor_info vendor_info[] __initdata = {
{1, "HP ", "ProLiant", PSS},
{1, "ORACLE", "X4-2 ", PPC},
{1, "ORACLE", "X4-2L ", PPC},
{1, "ORACLE", "X4-2B ", PPC},
{1, "ORACLE", "X3-2 ", PPC},
{1, "ORACLE", "X3-2L ", PPC},
{1, "ORACLE", "X3-2B ", PPC},
{1, "ORACLE", "X4470M2 ", PPC},
{1, "ORACLE", "X4270M3 ", PPC},
{1, "ORACLE", "X4270M2 ", PPC},
{1, "ORACLE", "X4170M2 ", PPC},
{1, "ORACLE", "X4170 M3", PPC},
{1, "ORACLE", "X4275 M3", PPC},
{1, "ORACLE", "X6-2 ", PPC},
{1, "ORACLE", "Sudbury ", PPC},
{0, "", ""},
static struct acpi_platform_list plat_info[] __initdata = {
{"HP ", "ProLiant", 0, ACPI_SIG_FADT, all_versions, 0, PSS},
{"ORACLE", "X4-2 ", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
{"ORACLE", "X4-2L ", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
{"ORACLE", "X4-2B ", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
{"ORACLE", "X3-2 ", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
{"ORACLE", "X3-2L ", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
{"ORACLE", "X3-2B ", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
{"ORACLE", "X4470M2 ", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
{"ORACLE", "X4270M3 ", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
{"ORACLE", "X4270M2 ", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
{"ORACLE", "X4170M2 ", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
{"ORACLE", "X4170 M3", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
{"ORACLE", "X4275 M3", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
{"ORACLE", "X6-2 ", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
{"ORACLE", "Sudbury ", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
{ } /* End */
};
static bool __init intel_pstate_platform_pwr_mgmt_exists(void)
{
struct acpi_table_header hdr;
struct hw_vendor_info *v_info;
const struct x86_cpu_id *id;
u64 misc_pwr;
int idx;
id = x86_match_cpu(intel_pstate_cpu_oob_ids);
if (id) {
@ -2235,21 +2227,15 @@ static bool __init intel_pstate_platform_pwr_mgmt_exists(void)
return true;
}
if (acpi_disabled ||
ACPI_FAILURE(acpi_get_table_header(ACPI_SIG_FADT, 0, &hdr)))
idx = acpi_match_platform_list(plat_info);
if (idx < 0)
return false;
for (v_info = vendor_info; v_info->valid; v_info++) {
if (!strncmp(hdr.oem_id, v_info->oem_id, ACPI_OEM_ID_SIZE) &&
!strncmp(hdr.oem_table_id, v_info->oem_table_id,
ACPI_OEM_TABLE_ID_SIZE))
switch (v_info->oem_pwr_table) {
case PSS:
return intel_pstate_no_acpi_pss();
case PPC:
return intel_pstate_has_acpi_ppc() &&
(!force_load);
}
switch (plat_info[idx].data) {
case PSS:
return intel_pstate_no_acpi_pss();
case PPC:
return intel_pstate_has_acpi_ppc() && !force_load;
}
return false;

5
drivers/firmware/efi/apple-properties.c
View File

@ -18,8 +18,8 @@
#define pr_fmt(fmt) "apple-properties: " fmt
#include <linux/bootmem.h>
#include <linux/dmi.h>
#include <linux/efi.h>
#include <linux/platform_data/x86/apple.h>
#include <linux/property.h>
#include <linux/slab.h>
#include <linux/ucs2_string.h>
@ -191,8 +191,7 @@ static int __init map_properties(void)
u64 pa_data;
int ret;
if (!dmi_match(DMI_SYS_VENDOR, "Apple Inc.") &&
!dmi_match(DMI_SYS_VENDOR, "Apple Computer, Inc."))
if (!x86_apple_machine)
return 0;
pa_data = boot_params.hdr.setup_data;

12
drivers/firmware/efi/cper.c
View File

@ -606,7 +606,6 @@ void cper_estatus_print(const char *pfx,
const struct acpi_hest_generic_status *estatus)
{
struct acpi_hest_generic_data *gdata;
unsigned int data_len;
int sec_no = 0;
char newpfx[64];
__u16 severity;
@ -617,14 +616,10 @@ void cper_estatus_print(const char *pfx,
"It has been corrected by h/w "
"and requires no further action");
printk("%s""event severity: %s\n", pfx, cper_severity_str(severity));
data_len = estatus->data_length;
gdata = (struct acpi_hest_generic_data *)(estatus + 1);
snprintf(newpfx, sizeof(newpfx), "%s%s", pfx, INDENT_SP);
while (data_len >= acpi_hest_get_size(gdata)) {
apei_estatus_for_each_section(estatus, gdata) {
cper_estatus_print_section(newpfx, gdata, sec_no);
data_len -= acpi_hest_get_record_size(gdata);
gdata = acpi_hest_get_next(gdata);
sec_no++;
}
}
@ -653,15 +648,12 @@ int cper_estatus_check(const struct acpi_hest_generic_status *estatus)
if (rc)
return rc;
data_len = estatus->data_length;
gdata = (struct acpi_hest_generic_data *)(estatus + 1);
while (data_len >= acpi_hest_get_size(gdata)) {
apei_estatus_for_each_section(estatus, gdata) {
gedata_len = acpi_hest_get_error_length(gdata);
if (gedata_len > data_len - acpi_hest_get_size(gdata))
return -EINVAL;
data_len -= acpi_hest_get_record_size(gdata);
gdata = acpi_hest_get_next(gdata);
}
if (data_len)
return -EINVAL;

4
drivers/mailbox/pcc.c
View File

@ -457,10 +457,8 @@ static int __init acpi_pcc_probe(void)
/* Search for PCCT */
status = acpi_get_table(ACPI_SIG_PCCT, 0, &pcct_tbl);
if (ACPI_FAILURE(status) || !pcct_tbl) {
pr_warn("PCCT header not found.\n");
if (ACPI_FAILURE(status) || !pcct_tbl)
return -ENODEV;
}
count = acpi_table_parse_entries(ACPI_SIG_PCCT,
sizeof(struct acpi_table_pcct),

4
drivers/pci/pci-acpi.c
View File

@ -573,7 +573,7 @@ static int acpi_pci_propagate_wakeup(struct pci_bus *bus, bool enable)
{
while (bus->parent) {
if (acpi_pm_device_can_wakeup(&bus->self->dev))
return acpi_pm_set_device_wakeup(&bus->self->dev, enable);
return acpi_pm_set_bridge_wakeup(&bus->self->dev, enable);
bus = bus->parent;
}
@ -581,7 +581,7 @@ static int acpi_pci_propagate_wakeup(struct pci_bus *bus, bool enable)
/* We have reached the root bus. */
if (bus->bridge) {
if (acpi_pm_device_can_wakeup(bus->bridge))
return acpi_pm_set_device_wakeup(bus->bridge, enable);
return acpi_pm_set_bridge_wakeup(bus->bridge, enable);
}
return 0;
}

4
drivers/pci/pci-driver.c
View File

@ -647,9 +647,7 @@ static int pci_legacy_resume(struct device *dev)
static void pci_pm_default_resume(struct pci_dev *pci_dev)
{
pci_fixup_device(pci_fixup_resume, pci_dev);
if (!pci_has_subordinate(pci_dev))
pci_enable_wake(pci_dev, PCI_D0, false);
pci_enable_wake(pci_dev, PCI_D0, false);
}
static void pci_pm_default_suspend(struct pci_dev *pci_dev)

7
drivers/pci/pci.c
View File

@ -1912,6 +1912,13 @@ int pci_enable_wake(struct pci_dev *dev, pci_power_t state, bool enable)
{
int ret = 0;
/*
* Bridges can only signal wakeup on behalf of subordinate devices,
* but that is set up elsewhere, so skip them.
*/
if (pci_has_subordinate(dev))
return 0;
/* Don't do the same thing twice in a row for one device. */
if (!!enable == !!dev->wakeup_prepared)
return 0;

5
drivers/pci/quirks.c
View File

@ -25,6 +25,7 @@
#include <linux/sched.h>
#include <linux/ktime.h>
#include <linux/mm.h>
#include <linux/platform_data/x86/apple.h>
#include <asm/dma.h> /* isa_dma_bridge_buggy */
#include "pci.h"
@ -3447,7 +3448,7 @@ static void quirk_apple_poweroff_thunderbolt(struct pci_dev *dev)
{
acpi_handle bridge, SXIO, SXFP, SXLV;
if (!dmi_match(DMI_BOARD_VENDOR, "Apple Inc."))
if (!x86_apple_machine)
return;
if (pci_pcie_type(dev) != PCI_EXP_TYPE_UPSTREAM)
return;
@ -3492,7 +3493,7 @@ static void quirk_apple_wait_for_thunderbolt(struct pci_dev *dev)
struct pci_dev *sibling = NULL;
struct pci_dev *nhi = NULL;
if (!dmi_match(DMI_BOARD_VENDOR, "Apple Inc."))
if (!x86_apple_machine)
return;
if (pci_pcie_type(dev) != PCI_EXP_TYPE_DOWNSTREAM)
return;

32
drivers/spi/spi.c
View File

@ -41,6 +41,7 @@
#include <linux/acpi.h>
#include <linux/highmem.h>
#include <linux/idr.h>
#include <linux/platform_data/x86/apple.h>
#define CREATE_TRACE_POINTS
#include <trace/events/spi.h>
@ -1692,6 +1693,35 @@ static void of_register_spi_devices(struct spi_controller *ctlr) { }
#endif
#ifdef CONFIG_ACPI
static void acpi_spi_parse_apple_properties(struct spi_device *spi)
{
struct acpi_device *dev = ACPI_COMPANION(&spi->dev);
const union acpi_object *obj;
if (!x86_apple_machine)
return;
if (!acpi_dev_get_property(dev, "spiSclkPeriod", ACPI_TYPE_BUFFER, &obj)
&& obj->buffer.length >= 4)
spi->max_speed_hz = NSEC_PER_SEC / *(u32 *)obj->buffer.pointer;
if (!acpi_dev_get_property(dev, "spiWordSize", ACPI_TYPE_BUFFER, &obj)
&& obj->buffer.length == 8)
spi->bits_per_word = *(u64 *)obj->buffer.pointer;
if (!acpi_dev_get_property(dev, "spiBitOrder", ACPI_TYPE_BUFFER, &obj)
&& obj->buffer.length == 8 && !*(u64 *)obj->buffer.pointer)
spi->mode |= SPI_LSB_FIRST;
if (!acpi_dev_get_property(dev, "spiSPO", ACPI_TYPE_BUFFER, &obj)
&& obj->buffer.length == 8 && *(u64 *)obj->buffer.pointer)
spi->mode |= SPI_CPOL;
if (!acpi_dev_get_property(dev, "spiSPH", ACPI_TYPE_BUFFER, &obj)
&& obj->buffer.length == 8 && *(u64 *)obj->buffer.pointer)
spi->mode |= SPI_CPHA;
}
static int acpi_spi_add_resource(struct acpi_resource *ares, void *data)
{
struct spi_device *spi = data;
@ -1765,6 +1795,8 @@ static acpi_status acpi_register_spi_device(struct spi_controller *ctlr,
acpi_spi_add_resource, spi);
acpi_dev_free_resource_list(&resource_list);
acpi_spi_parse_apple_properties(spi);
if (ret < 0 || !spi->max_speed_hz) {
spi_dev_put(spi);
return AE_OK;

13
drivers/thunderbolt/icm.c
View File

@ -13,9 +13,9 @@
*/
#include <linux/delay.h>
#include <linux/dmi.h>
#include <linux/mutex.h>
#include <linux/pci.h>
#include <linux/platform_data/x86/apple.h>
#include <linux/sizes.h>
#include <linux/slab.h>
#include <linux/workqueue.h>
@ -102,11 +102,6 @@ static inline u64 get_route(u32 route_hi, u32 route_lo)
return (u64)route_hi << 32 | route_lo;
}
static inline bool is_apple(void)
{
return dmi_match(DMI_BOARD_VENDOR, "Apple Inc.");
}
static bool icm_match(const struct tb_cfg_request *req,
const struct ctl_pkg *pkg)
{
@ -176,7 +171,7 @@ static int icm_request(struct tb *tb, const void *request, size_t request_size,
static bool icm_fr_is_supported(struct tb *tb)
{
return !is_apple();
return !x86_apple_machine;
}
static inline int icm_fr_get_switch_index(u32 port)
@ -517,7 +512,7 @@ static bool icm_ar_is_supported(struct tb *tb)
* Starting from Alpine Ridge we can use ICM on Apple machines
* as well. We just need to reset and re-enable it first.
*/
if (!is_apple())
if (!x86_apple_machine)
return true;
/*
@ -1011,7 +1006,7 @@ static int icm_start(struct tb *tb)
* don't provide images publicly either. To be on the safe side
* prevent root switch NVM upgrade on Macs for now.
*/
tb->root_switch->no_nvm_upgrade = is_apple();
tb->root_switch->no_nvm_upgrade = x86_apple_machine;
ret = tb_switch_add(tb->root_switch);
if (ret)

4
drivers/thunderbolt/tb.c
View File

@ -7,7 +7,7 @@
#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/delay.h>
#include <linux/dmi.h>
#include <linux/platform_data/x86/apple.h>
#include "tb.h"
#include "tb_regs.h"
@ -453,7 +453,7 @@ struct tb *tb_probe(struct tb_nhi *nhi)
struct tb_cm *tcm;
struct tb *tb;
if (!dmi_match(DMI_BOARD_VENDOR, "Apple Inc."))
if (!x86_apple_machine)
return NULL;
tb = tb_domain_alloc(nhi, sizeof(*tcm));

1
include/acpi/acnames.h
View File

@ -54,6 +54,7 @@
#define METHOD_NAME__CLS "_CLS"
#define METHOD_NAME__CRS "_CRS"
#define METHOD_NAME__DDN "_DDN"
#define METHOD_NAME__DMA "_DMA"
#define METHOD_NAME__HID "_HID"
#define METHOD_NAME__INI "_INI"
#define METHOD_NAME__PLD "_PLD"

4
include/acpi/acpi.h
View File

@ -58,10 +58,10 @@
#include <acpi/actypes.h> /* ACPICA data types and structures */
#include <acpi/acexcep.h> /* ACPICA exceptions */
#include <acpi/actbl.h> /* ACPI table definitions */
#include <acpi/acoutput.h> /* Error output and Debug macros */
#include <acpi/acrestyp.h> /* Resource Descriptor structs */
#include <acpi/platform/acenvex.h> /* Extra environment-specific items */
#include <acpi/acoutput.h> /* Error output and Debug macros */
#include <acpi/acpiosxf.h> /* OSL interfaces (ACPICA-to-OS) */
#include <acpi/acpixf.h> /* ACPI core subsystem external interfaces */
#include <acpi/platform/acenvex.h> /* Extra environment-specific items */
#endif /* __ACPI_H__ */

9
include/acpi/acpi_bus.h
View File

@ -316,7 +316,6 @@ struct acpi_device_perf {
struct acpi_device_wakeup_flags {
u8 valid:1; /* Can successfully enable wakeup? */
u8 notifier_present:1; /* Wake-up notify handler has been installed */
u8 enabled:1; /* Enabled for wakeup */
};
struct acpi_device_wakeup_context {
@ -333,6 +332,7 @@ struct acpi_device_wakeup {
struct acpi_device_wakeup_context context;
struct wakeup_source *ws;
int prepare_count;
int enable_count;
};
struct acpi_device_physical_node {
@ -578,6 +578,8 @@ struct acpi_pci_root {
bool acpi_dma_supported(struct acpi_device *adev);
enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev);
int acpi_dma_get_range(struct device *dev, u64 *dma_addr, u64 *offset,
u64 *size);
int acpi_dma_configure(struct device *dev, enum dev_dma_attr attr);
void acpi_dma_deconfigure(struct device *dev);
@ -606,6 +608,7 @@ acpi_status acpi_remove_pm_notifier(struct acpi_device *adev);
bool acpi_pm_device_can_wakeup(struct device *dev);
int acpi_pm_device_sleep_state(struct device *, int *, int);
int acpi_pm_set_device_wakeup(struct device *dev, bool enable);
int acpi_pm_set_bridge_wakeup(struct device *dev, bool enable);
#else
static inline void acpi_pm_wakeup_event(struct device *dev)
{
@ -636,6 +639,10 @@ static inline int acpi_pm_set_device_wakeup(struct device *dev, bool enable)
{
return -ENODEV;
}
static inline int acpi_pm_set_bridge_wakeup(struct device *dev, bool enable)
{
return -ENODEV;
}
#endif
#ifdef CONFIG_ACPI_SLEEP

15
include/acpi/acpixf.h
View File

@ -46,7 +46,7 @@
/* Current ACPICA subsystem version in YYYYMMDD format */
#define ACPI_CA_VERSION 0x20170531
#define ACPI_CA_VERSION 0x20170728
#include <acpi/acconfig.h>
#include <acpi/actypes.h>
@ -160,13 +160,14 @@ ACPI_INIT_GLOBAL(u8, acpi_gbl_create_osi_method, TRUE);
ACPI_INIT_GLOBAL(u8, acpi_gbl_use_default_register_widths, TRUE);
/*
* Whether or not to verify the table checksum before installation. Set
* this to TRUE to verify the table checksum before install it to the table
* manager. Note that enabling this option causes errors to happen in some
* OSPMs during early initialization stages. Default behavior is to do such
* verification.
* Whether or not to validate (map) an entire table to verify
* checksum/duplication in early stage before install. Set this to TRUE to
* allow early table validation before install it to the table manager.
* Note that enabling this option causes errors to happen in some OSPMs
* during early initialization stages. Default behavior is to allow such
* validation.
*/
ACPI_INIT_GLOBAL(u8, acpi_gbl_verify_table_checksum, TRUE);
ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_table_validation, TRUE);
/*
* Optionally enable output from the AML Debug Object.

7
include/acpi/acrestyp.h
View File

@ -377,13 +377,6 @@ struct acpi_resource_generic_register {
u64 address;
};
/* Generic Address Space Access Sizes */
#define ACPI_ACCESS_SIZE_UNDEFINED 0
#define ACPI_ACCESS_SIZE_BYTE 1
#define ACPI_ACCESS_SIZE_WORD 2
#define ACPI_ACCESS_SIZE_DWORD 3
#define ACPI_ACCESS_SIZE_QWORD 4
struct acpi_resource_gpio {
u8 revision_id;
u8 connection_type;

1
include/acpi/actbl.h
View File

@ -394,6 +394,7 @@ struct acpi_table_desc {
#define ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL (1) /* Physical address, internally mapped */
#define ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL (2) /* Virtual address, internallly allocated */
#define ACPI_TABLE_ORIGIN_MASK (3)
#define ACPI_TABLE_IS_VERIFIED (4)
#define ACPI_TABLE_IS_LOADED (8)
/*

30
include/acpi/actbl2.h
View File

@ -76,6 +76,7 @@
#define ACPI_SIG_MCHI "MCHI" /* Management Controller Host Interface table */
#define ACPI_SIG_MSDM "MSDM" /* Microsoft Data Management Table */
#define ACPI_SIG_MTMR "MTMR" /* MID Timer table */
#define ACPI_SIG_SDEI "SDEI" /* Software Delegated Exception Interface Table */
#define ACPI_SIG_SLIC "SLIC" /* Software Licensing Description Table */
#define ACPI_SIG_SPCR "SPCR" /* Serial Port Console Redirection table */
#define ACPI_SIG_SPMI "SPMI" /* Server Platform Management Interface table */
@ -664,7 +665,7 @@ struct acpi_ibft_target {
* IORT - IO Remapping Table
*
* Conforms to "IO Remapping Table System Software on ARM Platforms",
* Document number: ARM DEN 0049B, October 2015
* Document number: ARM DEN 0049C, May 2017
*
******************************************************************************/
@ -779,6 +780,8 @@ struct acpi_iort_smmu {
#define ACPI_IORT_SMMU_V2 0x00000001 /* Generic SMMUv2 */
#define ACPI_IORT_SMMU_CORELINK_MMU400 0x00000002 /* ARM Corelink MMU-400 */
#define ACPI_IORT_SMMU_CORELINK_MMU500 0x00000003 /* ARM Corelink MMU-500 */
#define ACPI_IORT_SMMU_CORELINK_MMU401 0x00000004 /* ARM Corelink MMU-401 */
#define ACPI_IORT_SMMU_CAVIUM_THUNDERX 0x00000005 /* Cavium thunder_x SMMUv2 */
/* Masks for Flags field above */
@ -799,17 +802,27 @@ struct acpi_iort_smmu_v3 {
u32 flags;
u32 reserved;
u64 vatos_address;
u32 model; /* O: generic SMMUv3 */
u32 model;
u32 event_gsiv;
u32 pri_gsiv;
u32 gerr_gsiv;
u32 sync_gsiv;
u8 pxm;
u8 reserved1;
u16 reserved2;
};
/* Values for Model field above */
#define ACPI_IORT_SMMU_V3_GENERIC 0x00000000 /* Generic SMMUv3 */
#define ACPI_IORT_SMMU_V3_HISILICON_HI161X 0x00000001 /* hi_silicon Hi161x SMMUv3 */
#define ACPI_IORT_SMMU_V3_CAVIUM_CN99XX 0x00000002 /* Cavium CN99xx SMMUv3 */
/* Masks for Flags field above */
#define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE (1)
#define ACPI_IORT_SMMU_V3_HTTU_OVERRIDE (1<<1)
#define ACPI_IORT_SMMU_V3_PXM_VALID (1<<3)
/*******************************************************************************
*
@ -1120,6 +1133,19 @@ struct acpi_mtmr_entry {
u32 irq;
};
/*******************************************************************************
*
* SDEI - Software Delegated Exception Interface Descriptor Table
*
* Conforms to "Software Delegated Exception Interface (SDEI)" ARM DEN0054A,
* May 8th, 2017. Copyright 2017 ARM Ltd.
*
******************************************************************************/
struct acpi_table_sdei {
struct acpi_table_header header; /* Common ACPI table header */
};
/*******************************************************************************
*
* SLIC - Software Licensing Description Table

11
include/acpi/actypes.h
View File

@ -166,6 +166,7 @@ typedef u64 acpi_physical_address;
#define ACPI_SIZE_MAX ACPI_UINT64_MAX
#define ACPI_USE_NATIVE_DIVIDE /* Has native 64-bit integer support */
#define ACPI_USE_NATIVE_MATH64 /* Has native 64-bit integer support */
/*
* In the case of the Itanium Processor Family (IPF), the hardware does not
@ -554,6 +555,13 @@ typedef u64 acpi_integer;
#define ACPI_VALIDATE_RSDP_SIG(a) (!strncmp (ACPI_CAST_PTR (char, (a)), ACPI_SIG_RSDP, 8))
#define ACPI_MAKE_RSDP_SIG(dest) (memcpy (ACPI_CAST_PTR (char, (dest)), ACPI_SIG_RSDP, 8))
/*
* Algorithm to obtain access bit width.
* Can be used with access_width of struct acpi_generic_address and access_size of
* struct acpi_resource_generic_register.
*/
#define ACPI_ACCESS_BIT_WIDTH(size) (1 << ((size) + 2))
/*******************************************************************************
*
* Miscellaneous constants
@ -775,7 +783,7 @@ typedef u32 acpi_event_status;
* | | | | +-- Type of dispatch:to method, handler, notify, or none
* | | | +----- Interrupt type: edge or level triggered
* | | +------- Is a Wake GPE
* | +--------- Is GPE masked by the software GPE masking mechanism
* | +--------- Has been enabled automatically at init time
* +------------ <Reserved>
*/
#define ACPI_GPE_DISPATCH_NONE (u8) 0x00
@ -791,6 +799,7 @@ typedef u32 acpi_event_status;
#define ACPI_GPE_XRUPT_TYPE_MASK (u8) 0x08
#define ACPI_GPE_CAN_WAKE (u8) 0x10
#define ACPI_GPE_AUTO_ENABLED (u8) 0x20
/*
* Flags for GPE and Lock interfaces

8
include/acpi/apei.h
View File

@ -16,7 +16,13 @@
#ifdef __KERNEL__
extern bool hest_disable;
enum hest_status {
HEST_ENABLED,
HEST_DISABLED,
HEST_NOT_FOUND,
};
extern int hest_disable;
extern int erst_disable;
#ifdef CONFIG_ACPI_APEI_GHES
extern bool ghes_disable;

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