Commit Graph

630 Commits

Author SHA1 Message Date
Linus Torvalds
6fb44438a5 arm64 updates for 6.17:
Perf and PMU updates:
 
  - Add support for new (v3) Hisilicon SLLC and DDRC PMUs
 
  - Add support for Arm-NI PMU integrations that share interrupts between
    clock domains within a given instance
 
  - Allow SPE to be configured with a lower sample period than the
    minimum recommendation advertised by PMSIDR_EL1.Interval
 
  - Add suppport for Arm's "Branch Record Buffer Extension" (BRBE)
 
  - Adjust the perf watchdog period according to cpu frequency changes
 
  - Minor driver fixes and cleanups
 
 Hardware features:
 
  - Support for MTE store-only checking (FEAT_MTE_STORE_ONLY)
 
  - Support for reporting the non-address bits during a synchronous MTE
    tag check fault (FEAT_MTE_TAGGED_FAR)
 
  - Optimise the TLBI when folding/unfolding contiguous PTEs on hardware
    with FEAT_BBM (break-before-make) level 2 and no TLB conflict aborts
 
 Software features:
 
  - Enable HAVE_LIVEPATCH after implementing arch_stack_walk_reliable()
    and using the text-poke API for late module relocations
 
  - Force VMAP_STACK always on and change arm64_efi_rt_init() to use
    arch_alloc_vmap_stack() in order to avoid KASAN false positives
 
 ACPI:
 
  - Improve SPCR handling and messaging on systems lacking an SPCR table
 
 Debug:
 
  - Simplify the debug exception entry path
 
  - Drop redundant DBG_MDSCR_* macros
 
 Kselftests:
 
  - Cleanups and improvements for SME, SVE and FPSIMD tests
 
 Miscellaneous:
 
  - Optimise loop to reduce redundant operations in contpte_ptep_get()
 
  - Remove ISB when resetting POR_EL0 during signal handling
 
  - Mark the kernel as tainted on SEA and SError panic
 
  - Remove redundant gcs_free() call
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Catalin Marinas:
 "A quick summary: perf support for Branch Record Buffer Extensions
  (BRBE), typical PMU hardware updates, small additions to MTE for
  store-only tag checking and exposing non-address bits to signal
  handlers, HAVE_LIVEPATCH enabled on arm64, VMAP_STACK forced on.

  There is also a TLBI optimisation on hardware that does not require
  break-before-make when changing the user PTEs between contiguous and
  non-contiguous.

  More details:

  Perf and PMU updates:

   - Add support for new (v3) Hisilicon SLLC and DDRC PMUs

   - Add support for Arm-NI PMU integrations that share interrupts
     between clock domains within a given instance

   - Allow SPE to be configured with a lower sample period than the
     minimum recommendation advertised by PMSIDR_EL1.Interval

   - Add suppport for Arm's "Branch Record Buffer Extension" (BRBE)

   - Adjust the perf watchdog period according to cpu frequency changes

   - Minor driver fixes and cleanups

  Hardware features:

   - Support for MTE store-only checking (FEAT_MTE_STORE_ONLY)

   - Support for reporting the non-address bits during a synchronous MTE
     tag check fault (FEAT_MTE_TAGGED_FAR)

   - Optimise the TLBI when folding/unfolding contiguous PTEs on
     hardware with FEAT_BBM (break-before-make) level 2 and no TLB
     conflict aborts

  Software features:

   - Enable HAVE_LIVEPATCH after implementing arch_stack_walk_reliable()
     and using the text-poke API for late module relocations

   - Force VMAP_STACK always on and change arm64_efi_rt_init() to use
     arch_alloc_vmap_stack() in order to avoid KASAN false positives

  ACPI:

   - Improve SPCR handling and messaging on systems lacking an SPCR
     table

  Debug:

   - Simplify the debug exception entry path

   - Drop redundant DBG_MDSCR_* macros

  Kselftests:

   - Cleanups and improvements for SME, SVE and FPSIMD tests

  Miscellaneous:

   - Optimise loop to reduce redundant operations in contpte_ptep_get()

   - Remove ISB when resetting POR_EL0 during signal handling

   - Mark the kernel as tainted on SEA and SError panic

   - Remove redundant gcs_free() call"

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (93 commits)
  arm64/gcs: task_gcs_el0_enable() should use passed task
  arm64: Kconfig: Keep selects somewhat alphabetically ordered
  arm64: signal: Remove ISB when resetting POR_EL0
  kselftest/arm64: Handle attempts to disable SM on SME only systems
  kselftest/arm64: Fix SVE write data generation for SME only systems
  kselftest/arm64: Test SME on SME only systems in fp-ptrace
  kselftest/arm64: Test FPSIMD format data writes via NT_ARM_SVE in fp-ptrace
  kselftest/arm64: Allow sve-ptrace to run on SME only systems
  arm64/mm: Drop redundant addr increment in set_huge_pte_at()
  kselftest/arm4: Provide local defines for AT_HWCAP3
  arm64: Mark kernel as tainted on SAE and SError panic
  arm64/gcs: Don't call gcs_free() when releasing task_struct
  drivers/perf: hisi: Support PMUs with no interrupt
  drivers/perf: hisi: Relax the event number check of v2 PMUs
  drivers/perf: hisi: Add support for HiSilicon SLLC v3 PMU driver
  drivers/perf: hisi: Use ACPI driver_data to retrieve SLLC PMU information
  drivers/perf: hisi: Add support for HiSilicon DDRC v3 PMU driver
  drivers/perf: hisi: Simplify the probe process for each DDRC version
  perf/arm-ni: Support sharing IRQs within an NI instance
  perf/arm-ni: Consolidate CPU affinity handling
  ...
2025-07-29 20:21:54 -07:00
Kees Cook
8245d47cfa x86: Handle KCOV __init vs inline mismatches
GCC appears to have kind of fragile inlining heuristics, in the
sense that it can change whether or not it inlines something based on
optimizations. It looks like the kcov instrumentation being added (or in
this case, removed) from a function changes the optimization results,
and some functions marked "inline" are _not_ inlined. In that case,
we end up with __init code calling a function not marked __init, and we
get the build warnings I'm trying to eliminate in the coming patch that
adds __no_sanitize_coverage to __init functions:

WARNING: modpost: vmlinux: section mismatch in reference: xbc_exit+0x8 (section: .text.unlikely) -> _xbc_exit (section: .init.text)
WARNING: modpost: vmlinux: section mismatch in reference: real_mode_size_needed+0x15 (section: .text.unlikely) -> real_mode_blob_end (section: .init.data)
WARNING: modpost: vmlinux: section mismatch in reference: __set_percpu_decrypted+0x16 (section: .text.unlikely) -> early_set_memory_decrypted (section: .init.text)
WARNING: modpost: vmlinux: section mismatch in reference: memblock_alloc_from+0x26 (section: .text.unlikely) -> memblock_alloc_try_nid (section: .init.text)
WARNING: modpost: vmlinux: section mismatch in reference: acpi_arch_set_root_pointer+0xc (section: .text.unlikely) -> x86_init (section: .init.data)
WARNING: modpost: vmlinux: section mismatch in reference: acpi_arch_get_root_pointer+0x8 (section: .text.unlikely) -> x86_init (section: .init.data)
WARNING: modpost: vmlinux: section mismatch in reference: efi_config_table_is_usable+0x16 (section: .text.unlikely) -> xen_efi_config_table_is_usable (section: .init.text)

This problem is somewhat fragile (though using either __always_inline
or __init will deterministically solve it), but we've tripped over
this before with GCC and the solution has usually been to just use
__always_inline and move on.

For x86 this means forcing several functions to be inline with
__always_inline.

Link: https://lore.kernel.org/r/20250724055029.3623499-2-kees@kernel.org
Signed-off-by: Kees Cook <kees@kernel.org>
2025-07-24 16:55:11 -07:00
Li Chen
b9f58d3572 ACPI: Return -ENODEV from acpi_parse_spcr() when SPCR support is disabled
If CONFIG_ACPI_SPCR_TABLE is disabled, acpi_parse_spcr()
currently returns 0, which may incorrectly suggest that
SPCR parsing was successful. This patch changes the behavior
to return -ENODEV to clearly indicate that SPCR support
is not available.

This prepares the codebase for future changes that depend
on acpi_parse_spcr() failure detection, such as suppressing
misleading console messages.

Signed-off-by: Li Chen <chenl311@chinatelecom.cn>
Acked-by: Hanjun Guo <guohanjun@huawei.com>
Link: https://lore.kernel.org/r/20250620131309.126555-2-me@linux.beauty
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2025-07-01 15:06:51 +01:00
Linus Torvalds
c00b285024 hyperv-next for v6.16
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Merge tag 'hyperv-next-signed-20250602' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull hyperv updates from Wei Liu:

 - Support for Virtual Trust Level (VTL) on arm64 (Roman Kisel)

 - Fixes for Hyper-V UIO driver (Long Li)

 - Fixes for Hyper-V PCI driver (Michael Kelley)

 - Select CONFIG_SYSFB for Hyper-V guests (Michael Kelley)

 - Documentation updates for Hyper-V VMBus (Michael Kelley)

 - Enhance logging for hv_kvp_daemon (Shradha Gupta)

* tag 'hyperv-next-signed-20250602' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: (23 commits)
  Drivers: hv: Always select CONFIG_SYSFB for Hyper-V guests
  Drivers: hv: vmbus: Add comments about races with "channels" sysfs dir
  Documentation: hyperv: Update VMBus doc with new features and info
  PCI: hv: Remove unnecessary flex array in struct pci_packet
  Drivers: hv: Remove hv_alloc/free_* helpers
  Drivers: hv: Use kzalloc for panic page allocation
  uio_hv_generic: Align ring size to system page
  uio_hv_generic: Use correct size for interrupt and monitor pages
  Drivers: hv: Allocate interrupt and monitor pages aligned to system page boundary
  arch/x86: Provide the CPU number in the wakeup AP callback
  x86/hyperv: Fix APIC ID and VP index confusion in hv_snp_boot_ap()
  PCI: hv: Get vPCI MSI IRQ domain from DeviceTree
  ACPI: irq: Introduce acpi_get_gsi_dispatcher()
  Drivers: hv: vmbus: Introduce hv_get_vmbus_root_device()
  Drivers: hv: vmbus: Get the IRQ number from DeviceTree
  dt-bindings: microsoft,vmbus: Add interrupt and DMA coherence properties
  arm64, x86: hyperv: Report the VTL the system boots in
  arm64: hyperv: Initialize the Virtual Trust Level field
  Drivers: hv: Provide arch-neutral implementation of get_vtl()
  Drivers: hv: Enable VTL mode for arm64
  ...
2025-06-03 08:39:20 -07:00
Rafael J. Wysocki
db0e4d5429 Merge branches 'acpi-resource', 'acpi-pm', 'acpi-platform-profile' and 'acpi-docs'
Merge an ACPI resources management update, ACPI power management
updates, an ACPI platform profile driver fix and an ACPI documentation
update related to device properties for 6.16-rc1:

 - Fix a typo for MECHREVO in irq1_edge_low_force_override[] (Mingcong
   Bai).

 - Add an LPS0 check() callback to the AMD pinctrl driver and fix up
   config symbol dependencies in it (Mario Limonciello, Rafael Wysocki).

 - Avoid initializing the ACPI platform profile driver on non-ACPI
   platforms (Alexandre Ghiti).

 - Document that references to ACPI data (non-device) nodes should use
   string-only references in hierarchical data node packages (Sakari
   Ailus).

* acpi-resource:
  ACPI: resource: fix a typo for MECHREVO in irq1_edge_low_force_override[]

* acpi-pm:
  pinctrl: amd: Fix hibernation support with CONFIG_SUSPEND unset
  pinctrl: amd: Fix use of undeclared identifier 'pinctrl_amd_s2idle_dev_ops'
  pinctrl: amd: Add an LPS0 check() callback
  ACPI: Add missing prototype for non CONFIG_SUSPEND/CONFIG_X86 case

* acpi-platform-profile:
  ACPI: platform_profile: Avoid initializing on non-ACPI platforms

* acpi-docs:
  Documentation: ACPI: Use all-string data node references
2025-05-26 19:42:29 +02:00
Anil S Keshavamurthy
059717c2ba ACPI: MRRM: Fix default max memory region
Per the spec, the default max memory region must be 1 covering
all system memory.

When platform does not provide ACPI MRRM table or
when CONFIG_ACPI is opted out, the acpi_mrrm_max_mem_region() function
defaults to  returning 1 region complying to RDT spec.

Signed-off-by: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Link: https://patch.msgid.link/20250523172001.1761634-1-anil.s.keshavamurthy@intel.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2025-05-23 20:05:02 +02:00
Roman Kisel
ab7e531a82 ACPI: irq: Introduce acpi_get_gsi_dispatcher()
Using acpi_irq_create_hierarchy() in the cases where the code
also handles OF leads to code duplication as the ACPI subsystem
doesn't provide means to compute the IRQ domain parent whereas
the OF does.

Introduce acpi_get_gsi_dispatcher() so that the drivers relying
on both ACPI and OF may use irq_domain_create_hierarchy() in the
common code paths.

No functional changes.

Signed-off-by: Roman Kisel <romank@linux.microsoft.com>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20250428210742.435282-11-romank@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <20250428210742.435282-11-romank@linux.microsoft.com>
2025-05-23 16:30:55 +00:00
Tony Luck
b9020bdb9f ACPI: MRRM: Minimal parse of ACPI MRRM table
The resctrl file system code needs to know how many region tags
are supported. Parse the ACPI MRRM table and save the max_mem_region
value.

Provide a function for resctrl to collect that value.

Signed-off-by: Tony Luck <tony.luck@intel.com>
Link: https://patch.msgid.link/20250505173819.419271-2-tony.luck@intel.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2025-05-12 15:43:16 +02:00
Mario Limonciello
e1bdbbc982 ACPI: Add missing prototype for non CONFIG_SUSPEND/CONFIG_X86 case
acpi_register_lps0_dev() and acpi_unregister_lps0_dev() may be used
in drivers that don't require CONFIG_SUSPEND or compile on !X86.

Add prototypes for those cases.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202502191627.fRgoBwcZ-lkp@intel.com/
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://patch.msgid.link/20250407183656.1503446-1-superm1@kernel.org
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2025-04-09 16:10:37 +02:00
Linus Torvalds
01ecadbe09 cxl for v6.15
- Add support for Global Persistent Flush (GPF)
 - Cleanup of DPA partition metadata handling
 	- Remove the CXL_DECODER_MIXED enum that's not needed anymore
 	- Introduce helpers to access resource and perf meta data
 	- Introduce 'struct cxl_dpa_partition' and 'struct cxl_range_info'
 	- Make cxl_dpa_alloc() DPA partition number agnostic
 	- Remove cxl_decoder_mode
 	- Cleanup partition size and perf helpers
 - Remove unused CXL partition values
 - Add logging support for CXL CPER endpoint and port protocol errors
 	- Prefix protocol error struct and function names with cxl_
 	- Move protocol error definitions and structures to a common location
 	- Remove drivers/firmware/efi/cper_cxl.h to include/linux/cper.h
 	- Add support in GHES to process CXL CPER protocol errors
 	- Process CXL CPER protocol errors
 	- Add trace logging for CXL PCIe port RAS errors
 - Remove redundant gp_port init
 - Add validation of cxl device serial number
 - CXL ABI documentation updates/fixups
 - A series that uses guard() to clean up open coded mutex lockings and remove gotos for error
   handling.
 - Some followup patches to support dirty shutdown accounting
 	- Add helper to retrieve DVSEC offset for dirty shutdown registers
 	- Rename cxl_get_dirty_shutdown() to cxl_arm_dirty_shutdown()
 	- Add support for dirty shutdown count via sysfs
 	- cxl_test support for dirty shutdown
 - A series to support CXL mailbox Features commands. Mostly in preparation for CXL EDAC
   code to utilize the Features commands. It's also in preparation for CXL fwctl support
   to utilize the CXL Features. The commands include "Get Supported Features", "Get Feature",
   and "Set Feature".
 - A series to support extended linear cache support described by the ACPI HMAT table. The
   addition helps enumerate the cache and also provides additional RAS reporting support for
   configuration with extended linear cache. (and related fixes for the
   series).
 - An update to cxl_test to support a 3-way capable CFMWS.
 - A documentation fix to remove unused "mixed mode".
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Merge tag 'cxl-for-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull Compute Express Link (CXL)  updates from Dave Jiang:

 - Add support for Global Persistent Flush (GPF)

 - Cleanup of DPA partition metadata handling:
     - Remove the CXL_DECODER_MIXED enum that's not needed anymore
     - Introduce helpers to access resource and perf meta data
     - Introduce 'struct cxl_dpa_partition' and 'struct cxl_range_info'
     - Make cxl_dpa_alloc() DPA partition number agnostic
     - Remove cxl_decoder_mode
     - Cleanup partition size and perf helpers

 - Remove unused CXL partition values

 - Add logging support for CXL CPER endpoint and port protocol errors:
     - Prefix protocol error struct and function names with cxl_
     - Move protocol error definitions and structures to a common location
     - Remove drivers/firmware/efi/cper_cxl.h to include/linux/cper.h
     - Add support in GHES to process CXL CPER protocol errors
     - Process CXL CPER protocol errors
     - Add trace logging for CXL PCIe port RAS errors

 - Remove redundant gp_port init

 - Add validation of cxl device serial number

 - CXL ABI documentation updates/fixups

 - A series that uses guard() to clean up open coded mutex lockings and
   remove gotos for error handling.

 - Some followup patches to support dirty shutdown accounting:
     - Add helper to retrieve DVSEC offset for dirty shutdown registers
     - Rename cxl_get_dirty_shutdown() to cxl_arm_dirty_shutdown()
     - Add support for dirty shutdown count via sysfs
     - cxl_test support for dirty shutdown

 - A series to support CXL mailbox Features commands.

   Mostly in preparation for CXL EDAC code to utilize the Features
   commands. It's also in preparation for CXL fwctl support to utilize
   the CXL Features. The commands include "Get Supported Features", "Get
   Feature", and "Set Feature".

 - A series to support extended linear cache support described by the
   ACPI HMAT table.

   The addition helps enumerate the cache and also provides additional
   RAS reporting support for configuration with extended linear cache.
   (and related fixes for the series).

 - An update to cxl_test to support a 3-way capable CFMWS

 - A documentation fix to remove unused "mixed mode"

* tag 'cxl-for-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (39 commits)
  cxl/region: Fix the first aliased address miscalculation
  cxl/region: Quiet some dev_warn()s in extended linear cache setup
  cxl/Documentation: Remove 'mixed' from sysfs mode doc
  cxl: Fix warning from emitting resource_size_t as long long int on 32bit systems
  cxl/test: Define a CFMWS capable of a 3 way HB interleave
  cxl/mem: Do not return error if CONFIG_CXL_MCE unset
  tools/testing/cxl: Set Shutdown State support
  cxl/pmem: Export dirty shutdown count via sysfs
  cxl/pmem: Rename cxl_dirty_shutdown_state()
  cxl/pci: Introduce cxl_gpf_get_dvsec()
  cxl/pci: Support Global Persistent Flush (GPF)
  cxl: Document missing sysfs files
  cxl: Plug typos in ABI doc
  cxl/pmem: debug invalid serial number data
  cxl/cdat: Remove redundant gp_port initialization
  cxl/memdev: Remove unused partition values
  cxl/region: Drop goto pattern of construct_region()
  cxl/region: Drop goto pattern in cxl_dax_region_alloc()
  cxl/core: Use guard() to drop goto pattern of cxl_dpa_alloc()
  cxl/core: Use guard() to drop the goto pattern of cxl_dpa_free()
  ...
2025-04-02 20:04:43 -07:00
Dave Jiang
0ec9849b63 acpi/hmat / cxl: Add extended linear cache support for CXL
The current cxl region size only indicates the size of the CXL memory
region without accounting for the extended linear cache size. Retrieve the
cache size from HMAT and append that to the cxl region size for the cxl
region range that matches the SRAT range that has extended linear cache
enabled.

The SRAT defines the whole memory range that includes the extended linear
cache and the CXL memory region. The new HMAT ECN/ECR to the Memory Side
Cache Information Structure defines the size of the extended linear cache
size and matches to the SRAT Memory Affinity Structure by the memory
proxmity domain. Add a helper to match the cxl range to the SRAT memory
range in order to retrieve the cache size.

There are several places that checks the cxl region range against the
decoder range. Use new helper to check between the two ranges and address
the new cache size.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Li Ming <ming.li@zohomail.com>
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Link: https://patch.msgid.link/20250226162224.3633792-3-dave.jiang@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
2025-02-26 13:45:22 -07:00
Joel Granados
c305a4e983 x86: Move sysctls into arch/x86
Move the following sysctl tables into arch/x86/kernel/setup.c:

  panic_on_{unrecoverable_nmi,io_nmi}
  bootloader_{type,version}
  io_delay_type
  unknown_nmi_panic
  acpi_realmode_flags

Variables moved from include/linux/ to arch/x86/include/asm/ because there
is no longer need for them outside arch/x86/kernel:

  acpi_realmode_flags
  panic_on_{unrecoverable_nmi,io_nmi}

Include <asm/nmi.h> in arch/s86/kernel/setup.h in order to bring in
panic_on_{io_nmi,unrecovered_nmi}.

This is part of a greater effort to move ctl tables into their
respective subsystems which will reduce the merge conflicts in
kerenel/sysctl.c.

Signed-off-by: Joel Granados <joel.granados@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20250218-jag-mv_ctltables-v1-8-cd3698ab8d29@kernel.org
2025-02-18 11:08:36 +01:00
Ricardo Ribalda
7d3707bbbb ACPI: header: implement acpi_device_handle when !ACPI
Provide an implementation of acpi_device_handle that can be used when
CONFIG_ACPI is not set.

Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Link: https://patch.msgid.link/20241216-fix-ipu-v5-4-3d6b35ddce7b@chromium.org
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2024-12-19 20:59:36 +01:00
Peter Zijlstra
cdd30ebb1b module: Convert symbol namespace to string literal
Clean up the existing export namespace code along the same lines of
commit 33def8498f ("treewide: Convert macro and uses of __section(foo)
to __section("foo")") and for the same reason, it is not desired for the
namespace argument to be a macro expansion itself.

Scripted using

  git grep -l -e MODULE_IMPORT_NS -e EXPORT_SYMBOL_NS | while read file;
  do
    awk -i inplace '
      /^#define EXPORT_SYMBOL_NS/ {
        gsub(/__stringify\(ns\)/, "ns");
        print;
        next;
      }
      /^#define MODULE_IMPORT_NS/ {
        gsub(/__stringify\(ns\)/, "ns");
        print;
        next;
      }
      /MODULE_IMPORT_NS/ {
        $0 = gensub(/MODULE_IMPORT_NS\(([^)]*)\)/, "MODULE_IMPORT_NS(\"\\1\")", "g");
      }
      /EXPORT_SYMBOL_NS/ {
        if ($0 ~ /(EXPORT_SYMBOL_NS[^(]*)\(([^,]+),/) {
  	if ($0 !~ /(EXPORT_SYMBOL_NS[^(]*)\(([^,]+), ([^)]+)\)/ &&
  	    $0 !~ /(EXPORT_SYMBOL_NS[^(]*)\(\)/ &&
  	    $0 !~ /^my/) {
  	  getline line;
  	  gsub(/[[:space:]]*\\$/, "");
  	  gsub(/[[:space:]]/, "", line);
  	  $0 = $0 " " line;
  	}

  	$0 = gensub(/(EXPORT_SYMBOL_NS[^(]*)\(([^,]+), ([^)]+)\)/,
  		    "\\1(\\2, \"\\3\")", "g");
        }
      }
      { print }' $file;
  done

Requested-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://mail.google.com/mail/u/2/#inbox/FMfcgzQXKWgMmjdFwwdsfgxzKpVHWPlc
Acked-by: Greg KH <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2024-12-02 11:34:44 -08:00
Miao Wang
9d8a2b033d ACPI: introduce acpi_arch_init()
To avoid arch-specific code in general ACPI initialization flow,
introduce a weak symbol acpi_arch_init().

Currently, arm64 and riscv can utillize this to insert their
arch-specific flow.

In the future, other architectures can also have a chance to define
their own arch-specific ACPI initialization process if necessary.

Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Miao Wang <shankerwangmiao@gmail.com>
Link: https://patch.msgid.link/20241121-intro-acpi-arch-init-v4-1-b1fb517e7d8b@gmail.com
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2024-11-22 21:32:25 +01:00
Arnd Bergmann
a6021aa24f ACPI: EC: make EC support compile-time conditional
The embedded controller code is mainly used on x86 laptops and cannot
work without PC style I/O port access.

Make this a user-visible configuration option that is default enabled
on x86 but otherwise disabled, and that can never be enabled unless
CONFIG_HAS_IOPORT is also available.

The empty stubs in internal.h help ignore the EC code in configurations
that don't support it. In order to see those stubs, the sbshc code also
has to include this header and drop duplicate declarations.

All the direct callers of ec_read/ec_write already had an x86
dependency and now also need to depend on APCI_EC.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patch.msgid.link/20241011061948.3211423-1-arnd@kernel.org
[ rjw: Subject edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2024-10-24 17:47:15 +02:00
Linus Torvalds
653608c67a xen: branch for v6.12-rc1a
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Merge tag 'for-linus-6.12-rc1a-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull more xen updates from Juergen Gross:
 "A second round of Xen related changes and features:

   - a small fix of the xen-pciback driver for a warning issued by
     sparse

   - support PCI passthrough when using a PVH dom0

   - enable loading the kernel in PVH mode at arbitrary addresses,
     avoiding conflicts with the memory map when running as a Xen dom0
     using the host memory layout"

* tag 'for-linus-6.12-rc1a-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  x86/pvh: Add 64bit relocation page tables
  x86/kernel: Move page table macros to header
  x86/pvh: Set phys_base when calling xen_prepare_pvh()
  x86/pvh: Make PVH entrypoint PIC for x86-64
  xen: sync elfnote.h from xen tree
  xen/pciback: fix cast to restricted pci_ers_result_t and pci_power_t
  xen/privcmd: Add new syscall to get gsi from dev
  xen/pvh: Setup gsi for passthrough device
  xen/pci: Add a function to reset device for xen
2024-09-27 09:55:30 -07:00
Jiqian Chen
b166b8ab41 xen/pvh: Setup gsi for passthrough device
In PVH dom0, the gsis don't get registered, but the gsi of
a passthrough device must be configured for it to be able to be
mapped into a domU.

When assigning a device to passthrough, proactively setup the gsi
of the device during that process.

Signed-off-by: Jiqian Chen <Jiqian.Chen@amd.com>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Jiqian Chen <Jiqian.Chen@amd.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Message-ID: <20240924061437.2636766-3-Jiqian.Chen@amd.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
2024-09-25 09:54:52 +02:00
Linus Torvalds
84bbfe6b64 platform-drivers-x86 for v6.12-1
Highlights:
  -  asus-wmi: Add support for vivobook fan profiles
  -  dell-laptop: Add knobs to change battery charge settings
  -  lg-laptop: Add operation region support
  -  intel-uncore-freq: Add support for efficiency latency control
  -  intel/ifs: Add SBAF test support
  -  intel/pmc: Ignore all LTRs during suspend
  -  platform/surface: Support for arm64 based Surface devices
  -  wmi: Pass event data directly to legacy notify handlers
  -  x86/platform/geode: switch GPIO buttons and LEDs to software properties
  -  bunch of small cleanups, fixes, hw-id additions, etc.
 
 The following is an automated git shortlog grouped by driver:
 
 Documentation:
  -  admin-guide: pm: Add efficiency vs. latency tradeoff to uncore documentation
 
 ISST:
  -  Simplify isst_misc_reg() and isst_misc_unreg()
 
 MAINTAINERS:
  -  adjust file entry in INTEL MID PLATFORM
  -  Add Intel MID section
 
 Merge tag 'hwmon-for-v6.11-rc7' into review-hans:
  - Merge tag 'hwmon-for-v6.11-rc7' into review-hans
 
 Merge tag 'platform-drivers-x86-v6.11-3' into review-hans:
  - Merge tag 'platform-drivers-x86-v6.11-3' into review-hans
 
 acer-wmi:
  -  Use backlight power constants
 
 asus-laptop:
  -  Use backlight power constants
 
 asus-nb-wmi:
  -  Use backlight power constants
 
 asus-wmi:
  -  don't fail if platform_profile already registered
  -  add debug print in more key places
  -  Use backlight power constants
  -  add support for vivobook fan profiles
 
 dell-laptop:
  -  remove duplicate code w/ battery function
  -  Add knobs to change battery charge settings
 
 dt-bindings:
  -  platform: Add Surface System Aggregator Module
  -  serial: Allow embedded-controller as child node
 
 eeepc-laptop:
  -  Use backlight power constants
 
 eeepc-wmi:
  -  Use backlight power constants
 
 fujitsu-laptop:
  -  Use backlight power constants
 
 hid-asus:
  -  use hid for brightness control on keyboard
 
 ideapad-laptop:
  -  Make the scope_guard() clear of its scope
  -  move ACPI helpers from header to source file
  -  Use backlight power constants
 
 int3472:
  -  Use str_high_low()
  -  Use GPIO_LOOKUP() macro
  -  make common part a separate module
 
 intel-hid:
  -  Use string_choices API instead of ternary operator
 
 intel/pmc:
  -  Ignore all LTRs during suspend
  -  Remove unused param idx from pmc_for_each_mode()
 
 intel_scu_ipc:
  -  Move intel_scu_ipc.h out of arch/x86/include/asm
 
 intel_scu_wdt:
  -  Move intel_scu_wdt.h to x86 subfolder
 
 lenovo-ymc:
  -  Ignore the 0x0 state
 
 lg-laptop:
  -  Add operation region support
 
 oaktrail:
  -  Use backlight power constants
 
 panasonic-laptop:
  -  Add support for programmable buttons
 
 platform/mellanox:
  -  mlxbf-pmc: fix lockdep warning
 
 platform/olpc:
  -  Remove redundant null pointer checks in olpc_ec_setup_debugfs()
 
 platform/surface:
  -  Add OF support
 
 platform/x86/amd:
  -  pmf: Add quirk for TUF Gaming A14
 
 platform/x86/amd/pmf:
  -  Update SMU metrics table for 1AH family series
  -  Relocate CPU ID macros to the PMF header
  -  Add support for notifying Smart PC Solution updates
 
 platform/x86/intel-uncore-freq:
  -  Add efficiency latency control to sysfs interface
  -  Add support for efficiency latency control
  -  Do not present separate package-die domain
 
 platform/x86/intel/ifs:
  -  Fix SBAF title underline length
  -  Add SBAF test support
  -  Add SBAF test image loading support
  -  Refactor MSR usage in IFS test code
 
 platform/x86/intel/pmc:
  -  Show live substate requirements
 
 platform/x86/intel/pmt:
  -  Use PMT callbacks
 
 platform/x86/intel/vsec:
  -  Add PMT read callbacks
 
 platform/x86/intel/vsec.h:
  -  Move to include/linux
 
 samsung-laptop:
  -  Use backlight power constants
 
 serial-multi-instantiate:
  -  Don't require both I2C and SPI
 
 thinkpad_acpi:
  -  Fix uninitialized symbol 's' warning
  -  Add Thinkpad Edge E531 fan support
 
 touchscreen_dmi:
  -  add nanote-next quirk
 
 trace:
  -  platform/x86/intel/ifs: Add SBAF trace support
 
 wmi:
  -  Call both legacy and WMI driver notify handlers
  -  Merge get_event_data() with wmi_get_notify_data()
  -  Remove wmi_get_event_data()
  -  Pass event data directly to legacy notify handlers
 
 x86-android-tablets:
  -  Adjust Xiaomi Pad 2 bottom bezel touch buttons LED
  -  Fix spelling in the comments
 
 x86/platform/geode:
  -  switch GPIO buttons and LEDs to software properties
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Merge tag 'platform-drivers-x86-v6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform drivers updates from Hans de Goede:

 - asus-wmi: Add support for vivobook fan profiles

 - dell-laptop: Add knobs to change battery charge settings

 - lg-laptop: Add operation region support

 - intel-uncore-freq: Add support for efficiency latency control

 - intel/ifs: Add SBAF test support

 - intel/pmc: Ignore all LTRs during suspend

 - platform/surface: Support for arm64 based Surface devices

 - wmi: Pass event data directly to legacy notify handlers

 - x86/platform/geode: switch GPIO buttons and LEDs to software
   properties

 - bunch of small cleanups, fixes, hw-id additions, etc.

* tag 'platform-drivers-x86-v6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (65 commits)
  MAINTAINERS: adjust file entry in INTEL MID PLATFORM
  platform/x86: x86-android-tablets: Adjust Xiaomi Pad 2 bottom bezel touch buttons LED
  platform/mellanox: mlxbf-pmc: fix lockdep warning
  platform/x86/amd: pmf: Add quirk for TUF Gaming A14
  platform/x86: touchscreen_dmi: add nanote-next quirk
  platform/x86: asus-wmi: don't fail if platform_profile already registered
  platform/x86: asus-wmi: add debug print in more key places
  platform/x86: intel_scu_wdt: Move intel_scu_wdt.h to x86 subfolder
  platform/x86: intel_scu_ipc: Move intel_scu_ipc.h out of arch/x86/include/asm
  MAINTAINERS: Add Intel MID section
  platform/x86: panasonic-laptop: Add support for programmable buttons
  platform/olpc: Remove redundant null pointer checks in olpc_ec_setup_debugfs()
  platform/x86: intel/pmc: Ignore all LTRs during suspend
  platform/x86: wmi: Call both legacy and WMI driver notify handlers
  platform/x86: wmi: Merge get_event_data() with wmi_get_notify_data()
  platform/x86: wmi: Remove wmi_get_event_data()
  platform/x86: wmi: Pass event data directly to legacy notify handlers
  platform/x86: thinkpad_acpi: Fix uninitialized symbol 's' warning
  platform/x86: x86-android-tablets: Fix spelling in the comments
  platform/x86: ideapad-laptop: Make the scope_guard() clear of its scope
  ...
2024-09-19 09:16:04 +02:00
Armin Wolf
79a56f4c8f platform/x86: wmi: Remove wmi_get_event_data()
Since the WMI driver core now takes care of retrieving the
WMI event data even for legacy WMI notify handlers, this
function is no longer used.

Remove it to prevent WMI drivers from messing up the ACPI
firmware on some machines.

Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20240901031055.3030-4-W_Armin@gmx.de
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2024-09-05 17:21:59 +02:00
Armin Wolf
e04e2b760d platform/x86: wmi: Pass event data directly to legacy notify handlers
The current legacy WMI handlers are susceptible to picking up wrong
WMI event data on systems where different WMI devices share some
notification IDs.

Prevent this by letting the WMI driver core taking care of retrieving
the event data. This also simplifies the legacy WMI handlers and their
implementation inside the WMI driver core.

Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20240901031055.3030-3-W_Armin@gmx.de
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2024-09-05 17:21:59 +02:00
Sunil V L
21734d29f8 ACPI: bus: Add RINTC IRQ model for RISC-V
Add the IRQ model for RISC-V INTC so that acpi_set_irq_model can use this
for RISC-V.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Tested-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://patch.msgid.link/20240812005929.113499-8-sunilvl@ventanamicro.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2024-08-27 15:48:35 +02:00
Sunil V L
f7d7ccf92f ACPI: bus: Add acpi_riscv_init() function
Add a new function for RISC-V to do architecture specific initialization
similar to acpi_arm_init(). Some of the ACPI tables are architecture
specific and there is no reason trying to find them on other
architectures. So, add acpi_riscv_init() similar to acpi_arm_init().

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Tested-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://patch.msgid.link/20240812005929.113499-4-sunilvl@ventanamicro.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2024-08-27 15:48:35 +02:00
Sunil V L
a9b8f337ea ACPI: scan: Add a weak arch_sort_irqchip_probe() to order the IRQCHIP probe
Unlike OF framework, the irqchip probe using IRQCHIP_ACPI_DECLARE has no
order defined. Depending on the Makefile is not a good idea. So,
usually it is worked around by mandating only root interrupt controller
probed using IRQCHIP_ACPI_DECLARE and other interrupt controllers are
probed via cascade mechanism.

However, this is also not a clean solution because if there are multiple
root controllers (ex: RINTC in RISC-V which is per CPU) which need to be
probed first, then the cascade will happen for every root controller.
So, introduce an architecture specific weak function
arch_sort_irqchip_probe() to order the probing of the interrupt
controllers which can be implemented by different architectures as per
their interrupt controller hierarchy.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Tested-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://patch.msgid.link/20240812005929.113499-3-sunilvl@ventanamicro.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2024-08-27 15:48:35 +02:00
Linus Torvalds
c9f33436d8 RISC-V Patches for the 6.11 Merge Window, Part 2
* Support for NUMA (via SRAT and SLIT), console output (via SPCR), and
   cache info (via PPTT) on ACPI-based systems.
 * The trap entry/exit code no longer breaks the return address stack
   predictor on many systems, which results in an improvement to trap
   latency.
 * Support for HAVE_ARCH_STACKLEAK.
 * The sv39 linear map has been extended to support 128GiB mappings.
 * The frequency of the mtime CSR is now visible via hwprobe.
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Merge tag 'riscv-for-linus-6.11-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull more RISC-V updates from Palmer Dabbelt:

 - Support for NUMA (via SRAT and SLIT), console output (via SPCR), and
   cache info (via PPTT) on ACPI-based systems.

 - The trap entry/exit code no longer breaks the return address stack
   predictor on many systems, which results in an improvement to trap
   latency.

 - Support for HAVE_ARCH_STACKLEAK.

 - The sv39 linear map has been extended to support 128GiB mappings.

 - The frequency of the mtime CSR is now visible via hwprobe.

* tag 'riscv-for-linus-6.11-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (21 commits)
  RISC-V: Provide the frequency of time CSR via hwprobe
  riscv: Extend sv39 linear mapping max size to 128G
  riscv: enable HAVE_ARCH_STACKLEAK
  riscv: signal: Remove unlikely() from WARN_ON() condition
  riscv: Improve exception and system call latency
  RISC-V: Select ACPI PPTT drivers
  riscv: cacheinfo: initialize cacheinfo's level and type from ACPI PPTT
  riscv: cacheinfo: remove the useless input parameter (node) of ci_leaf_init()
  RISC-V: ACPI: Enable SPCR table for console output on RISC-V
  riscv: boot: remove duplicated targets line
  trace: riscv: Remove deprecated kprobe on ftrace support
  riscv: cpufeature: Extract common elements from extension checking
  riscv: Introduce vendor variants of extension helpers
  riscv: Add vendor extensions to /proc/cpuinfo
  riscv: Extend cpufeature.c to detect vendor extensions
  RISC-V: run savedefconfig for defconfig
  RISC-V: hwprobe: sort EXT_KEY()s in hwprobe_isa_ext0() alphabetically
  ACPI: NUMA: replace pr_info with pr_debug in arch_acpi_numa_init
  ACPI: NUMA: change the ACPI_NUMA to a hidden option
  ACPI: NUMA: Add handler for SRAT RINTC affinity structure
  ...
2024-07-27 10:14:34 -07:00
Linus Torvalds
ac7473a179 Updates for the interrupt subsystem:
- Core:
 
     - Provide a new mechanism to create interrupt domains. The existing
       interfaces have already too many parameters and it's a pain to expand
       any of this for new required functionality.
 
       The new function takes a pointer to a data structure as argument. The
       data structure combines all existing parameters and allows for easy
       extension.
 
       The first extension for this is to handle the instantiation of
       generic interrupt chips at the core level and to allow drivers to
       provide extra init/exit callbacks.
 
       This is necessary to do the full interrupt chip initialization before
       the new domain is published, so that concurrent usage sites won't see
       a half initialized interrupt domain. Similar problems exist on
       teardown.
 
       This has turned out to be a real problem due to the deferred and
       parallel probing which was added in recent years.
 
       Handling this at the core level allows to remove quite some accrued
       boilerplate code in existing drivers and avoids horrible workarounds
       at the driver level.
 
     - The usual small improvements all over the place
 
   - Drivers
 
     - Add support for LAN966x OIC and RZ/Five SoC
 
     - Split the STM ExtI driver into a microcontroller and a SMP version to
       allow building the latter as a module for multi-platform kernels.
 
     - Enable MSI support for Armada 370XP on platforms which do not support
       IPIs.
 
     - The usual small fixes and enhancements all over the place.
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Merge tag 'irq-core-2024-07-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull interrupt subsystem updates from Thomas Gleixner:
 "Core:

   - Provide a new mechanism to create interrupt domains. The existing
     interfaces have already too many parameters and it's a pain to
     expand any of this for new required functionality.

     The new function takes a pointer to a data structure as argument.
     The data structure combines all existing parameters and allows for
     easy extension.

     The first extension for this is to handle the instantiation of
     generic interrupt chips at the core level and to allow drivers to
     provide extra init/exit callbacks.

     This is necessary to do the full interrupt chip initialization
     before the new domain is published, so that concurrent usage sites
     won't see a half initialized interrupt domain. Similar problems
     exist on teardown.

     This has turned out to be a real problem due to the deferred and
     parallel probing which was added in recent years.

     Handling this at the core level allows to remove quite some accrued
     boilerplate code in existing drivers and avoids horrible
     workarounds at the driver level.

   - The usual small improvements all over the place

  Drivers:

   - Add support for LAN966x OIC and RZ/Five SoC

   - Split the STM ExtI driver into a microcontroller and a SMP version
     to allow building the latter as a module for multi-platform
     kernels

   - Enable MSI support for Armada 370XP on platforms which do not
     support IPIs

   - The usual small fixes and enhancements all over the place"

* tag 'irq-core-2024-07-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (59 commits)
  irqdomain: Fix the kernel-doc and plug it into Documentation
  genirq: Set IRQF_COND_ONESHOT in request_irq()
  irqchip/imx-irqsteer: Handle runtime power management correctly
  irqchip/gic-v3: Pass #redistributor-regions to gic_of_setup_kvm_info()
  irqchip/bcm2835: Enable SKIP_SET_WAKE and MASK_ON_SUSPEND
  irqchip/gic-v4: Make sure a VPE is locked when VMAPP is issued
  irqchip/gic-v4: Substitute vmovp_lock for a per-VM lock
  irqchip/gic-v4: Always configure affinity on VPE activation
  Revert "irqchip/dw-apb-ictl: Support building as module"
  Revert "Loongarch: Support loongarch avec"
  arm64: Kconfig: Allow build irq-stm32mp-exti driver as module
  ARM: stm32: Allow build irq-stm32mp-exti driver as module
  irqchip/stm32mp-exti: Allow building as module
  irqchip/stm32mp-exti: Rename internal symbols
  irqchip/stm32-exti: Split MCU and MPU code
  arm64: Kconfig: Select STM32MP_EXTI on STM32 platforms
  ARM: stm32: Use different EXTI driver on ARMv7m and ARMv7a
  irqchip/stm32-exti: Add CONFIG_STM32MP_EXTI
  irqchip/dw-apb-ictl: Support building as module
  irqchip/riscv-aplic: Simplify the initialization code
  ...
2024-07-22 13:52:05 -07:00
Palmer Dabbelt
6a4aa4c94b
Merge patch series "Add ACPI NUMA support for RISC-V"
Haibo Xu <haibo1.xu@intel.com> says:

This patch series enable RISC-V ACPI NUMA support which was based on
the recently approved ACPI ECR[1].

Patch 1/4 add RISC-V specific acpi_numa.c file to parse NUMA information
from SRAT and SLIT ACPI tables.
Patch 2/4 add the common SRAT RINTC affinity structure handler.
Patch 3/4 change the ACPI_NUMA to a hidden option since it would be selected
by default on all supported platform.
Patch 4/4 replace pr_info with pr_debug in arch_acpi_numa_init() to avoid
potential boot noise on ACPI platforms that are not NUMA.

Based-on: https://github.com/linux-riscv/linux-riscv/tree/for-next

[1] https://drive.google.com/file/d/1YTdDx2IPm5IeZjAW932EYU-tUtgS08tX/view?usp=sharing

Testing:
Since the ACPI AIA/PLIC support patch set is still under upstream review,
hence it is tested using the poll based HVC SBI console and RAM disk.
1) Build latest Qemu with the following patch backported
   42bd4eeefd

2) Build latest EDK-II
   https://github.com/tianocore/edk2/blob/master/OvmfPkg/RiscVVirt/README.md

3) Build Linux with the following configs enabled
   CONFIG_RISCV_SBI_V01=y
   CONFIG_SERIAL_EARLYCON_RISCV_SBI=y
   CONFIG_NONPORTABLE=y
   CONFIG_HVC_RISCV_SBI=y
   CONFIG_NUMA=y
   CONFIG_ACPI_NUMA=y

4) Build buildroot rootfs.cpio

5) Launch the Qemu machine
   qemu-system-riscv64 -nographic \
   -machine virt,pflash0=pflash0,pflash1=pflash1 -smp 4 -m 8G \
   -blockdev node-name=pflash0,driver=file,read-only=on,filename=RISCV_VIRT_CODE.fd \
   -blockdev node-name=pflash1,driver=file,filename=RISCV_VIRT_VARS.fd \
   -object memory-backend-ram,size=4G,id=m0 \
   -object memory-backend-ram,size=4G,id=m1 \
   -numa node,memdev=m0,cpus=0-1,nodeid=0 \
   -numa node,memdev=m1,cpus=2-3,nodeid=1 \
   -numa dist,src=0,dst=1,val=30 \
   -kernel linux/arch/riscv/boot/Image \
   -initrd buildroot/output/images/rootfs.cpio \
   -append "root=/dev/ram ro console=hvc0 earlycon=sbi"

[    0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x80000000-0x17fffffff]
[    0.000000] ACPI: SRAT: Node 1 PXM 1 [mem 0x180000000-0x27fffffff]
[    0.000000] NUMA: NODE_DATA [mem 0x17fe3bc40-0x17fe3cfff]
[    0.000000] NUMA: NODE_DATA [mem 0x27fff4c40-0x27fff5fff]
...
[    0.000000] ACPI: NUMA: SRAT: PXM 0 -> HARTID 0x0 -> Node 0
[    0.000000] ACPI: NUMA: SRAT: PXM 0 -> HARTID 0x1 -> Node 0
[    0.000000] ACPI: NUMA: SRAT: PXM 1 -> HARTID 0x2 -> Node 1
[    0.000000] ACPI: NUMA: SRAT: PXM 1 -> HARTID 0x3 -> Node 1

* b4-shazam-merge:
  ACPI: NUMA: replace pr_info with pr_debug in arch_acpi_numa_init
  ACPI: NUMA: change the ACPI_NUMA to a hidden option
  ACPI: NUMA: Add handler for SRAT RINTC affinity structure
  ACPI: RISCV: Add NUMA support based on SRAT and SLIT

Link: https://lore.kernel.org/r/cover.1718268003.git.haibo1.xu@intel.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2024-07-22 10:31:51 -07:00
Haibo Xu
eabd9db64e
ACPI: RISCV: Add NUMA support based on SRAT and SLIT
Add acpi_numa.c file to enable parse NUMA information from
ACPI SRAT and SLIT tables. SRAT table provide CPUs(Hart) and
memory nodes to proximity domain mapping, while SLIT table
provide the distance metrics between proximity domains.

Signed-off-by: Haibo Xu <haibo1.xu@intel.com>
Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Hanjun Guo <guohanjun@huawei.com>
Link: https://lore.kernel.org/r/65dbad1fda08a32922c44886e4581e49b4a2fecc.1718268003.git.haibo1.xu@intel.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2024-07-22 07:13:06 -07:00
Linus Torvalds
12cc3d5389 sound updates for 6.11-rc1
Lots of changes in this cycle, but mostly for cleanups and
 refactoring.  Significant amount of changes are about DT schema
 conversions for ASoC at this time while we see other usual
 suspects, too.  Some highlights below:
 
 Core:
 - Re-introduction of PCM sync ID support API
 - MIDI2 time-base extension in ALSA sequencer API
 
 ASoC:
 - Syncing of features between simple-audio-card and the two
   audio-graph cards
 - Support for specifying the order of operations for components
   within cards to allow quirking for unusual systems
 - Lots of DT schema conversions
 - Continued SOF/Intel updates for topology, SoundWire, IPC3/4
 - New support for Asahi Kasei AK4619, Cirrus Logic CS530x, Everest
   Semiconductors ES8311, NXP i.MX95 and LPC32xx, Qualcomm LPASS
   v2.5 and WCD937x, Realtek RT1318 and RT1320 and Texas
   Instruments PCM5242
 
 HD-audio:
 - More quirks, Intel PantherLake support, senarytech codec support
 - Refactoring of Cirrus codec component-binding
 
 Others:
 - ALSA control kselftest improvements, and fixes for input value
   checks in various drivers
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Merge tag 'sound-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "Lots of changes in this cycle, but mostly for cleanups and
  refactoring.

  Significant amount of changes are about DT schema conversions for ASoC
  at this time while we see other usual suspects, too.

  Some highlights below:

  Core:
   - Re-introduction of PCM sync ID support API
   - MIDI2 time-base extension in ALSA sequencer API

  ASoC:
   - Syncing of features between simple-audio-card and the two
     audio-graph cards
   - Support for specifying the order of operations for components
     within cards to allow quirking for unusual systems
   - Lots of DT schema conversions
   - Continued SOF/Intel updates for topology, SoundWire, IPC3/4
   - New support for Asahi Kasei AK4619, Cirrus Logic CS530x, Everest
     Semiconductors ES8311, NXP i.MX95 and LPC32xx, Qualcomm LPASS v2.5
     and WCD937x, Realtek RT1318 and RT1320 and Texas Instruments
     PCM5242

  HD-audio:
   - More quirks, Intel PantherLake support, senarytech codec support
   - Refactoring of Cirrus codec component-binding

  Others:
   - ALSA control kselftest improvements, and fixes for input value
     checks in various drivers"

* tag 'sound-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (349 commits)
  kselftest/alsa: Log the PCM ID in pcm-test
  kselftest/alsa: Use card name rather than number in test names
  ALSA: hda/realtek: Fix the speaker output on Samsung Galaxy Book Pro 360
  ALSA: hda/tas2781: Add new quirk for Lenovo Hera2 Laptop
  ALSA: seq: ump: Skip useless ports for static blocks
  ALSA: pcm_dmaengine: Don't synchronize DMA channel when DMA is paused
  ALSA: usb: Use BIT() for bit values
  ALSA: usb: Fix UBSAN warning in parse_audio_unit()
  ALSA: hda/realtek: Enable headset mic on Positivo SU C1400
  ASoC: tas2781: Add new Kontrol to set tas2563 digital Volume
  ASoC: codecs: wcd937x: Remove separate handling for vdd-buck supply
  ASoC: codecs: wcd937x: Remove the string compare in MIC BIAS widget settings
  ASoC: codecs: wcd937x-sdw: Fix Unbalanced pm_runtime_enable
  ASoC: dt-bindings: cirrus,cs42xx8: Convert to dtschema
  ASoC: cs530x: Remove bclk from private structure
  ASoC: cs530x: Calculate proper bclk rate using TDM
  ASoC: dt-bindings: cirrus,cs4270: Convert to dtschema
  firmware: cs_dsp: Rename fw_ver to wmfw_ver
  firmware: cs_dsp: Clarify wmfw format version log message
  firmware: cs_dsp: Make wmfw and bin filename arguments const char *
  ...
2024-07-19 12:39:34 -07:00
Linus Torvalds
923a327e8f ACPI updates for 6.11-rc1
- Switch the ACPI x86 utility code and the ACPI LPSS driver to new
    Intel CPU model defines (Tony Luck).
 
  - Add hwmon interface support to the ACPI fan driver (Armin Wolf).
 
  - Add sysfs entry for guaranteed performance to the ACPI CPPC library
    and replace a ternary operator with umax() in it (Petr Tesařík,
    Prabhakar Pujeri).
 
  - Clean up the ACPI PMIC driver in multiple ways (Andy Shevchenko,
    Christophe JAILLET).
 
  - Add support for charge limiting state to the ACPI battery driver
    and update _OSC to indicate support for it (Armin Wolf).
 
  - Clean up the sysfs interface in the ACPI battery, SBS (smart battery
    subsystem) and AC drivers (Thomas Weißschuh).
 
  - Coordinate header includes in the ACPI NUMA code and make it use
    ACCESS_COORDINATE_CPU when appropriate (Huang Ying, Thorsten Blum).
 
  - Downgrade Intel _OSC and _PDC messages in the ACPI processor driver
    to debug to reduce log noise (Mario Limonciello).
 
  - Still evaluate _OST when _PUR evaluation fails in the ACPI PAD
    (processor aggregator) driver as per the spec (Armin Wolf).
 
  - Skip ACPI IRQ override on Asus Vivobook Pro N6506MJ and N6506MU
    platforms (Tamim Khan).
 
  - Force native mode on some T2 macbooks in the ACPI backlight driver
    and replace strcpy() with strscpy() in it (Orlando Chamberlain,
    Muhammad Qasim Abdul Majeed).
 
  - Add missing MODULE_DESCRIPTION() macros in two places (Jeff Johnson).
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Merge tag 'acpi-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI updates from Rafael Wysocki:
 "The only kind of new feature added by these is the hwmon interface
  support in the ACPI fan driver. Apart from that, they mostly address
  issues and clean up code.

  Specifics:

   - Switch the ACPI x86 utility code and the ACPI LPSS driver to new
     Intel CPU model defines (Tony Luck)

   - Add hwmon interface support to the ACPI fan driver (Armin Wolf)

   - Add sysfs entry for guaranteed performance to the ACPI CPPC library
     and replace a ternary operator with umax() in it (Petr Tesařík,
     Prabhakar Pujeri)

   - Clean up the ACPI PMIC driver in multiple ways (Andy Shevchenko,
     Christophe JAILLET)

   - Add support for charge limiting state to the ACPI battery driver
     and update _OSC to indicate support for it (Armin Wolf)

   - Clean up the sysfs interface in the ACPI battery, SBS (smart
     battery subsystem) and AC drivers (Thomas Weißschuh)

   - Coordinate header includes in the ACPI NUMA code and make it use
     ACCESS_COORDINATE_CPU when appropriate (Huang Ying, Thorsten Blum)

   - Downgrade Intel _OSC and _PDC messages in the ACPI processor driver
     to debug to reduce log noise (Mario Limonciello)

   - Still evaluate _OST when _PUR evaluation fails in the ACPI PAD
     (processor aggregator) driver as per the spec (Armin Wolf)

   - Skip ACPI IRQ override on Asus Vivobook Pro N6506MJ and N6506MU
     platforms (Tamim Khan)

   - Force native mode on some T2 macbooks in the ACPI backlight driver
     and replace strcpy() with strscpy() in it (Orlando Chamberlain,
     Muhammad Qasim Abdul Majeed)

   - Add missing MODULE_DESCRIPTION() macros in two places (Jeff
     Johnson)"

* tag 'acpi-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (26 commits)
  ACPI: resource: Skip IRQ override on Asus Vivobook Pro N6506MJ
  ACPI: video: force native for some T2 macbooks
  ACPI: video: Use strscpy() instead of strcpy()
  ACPI: CPPC: Replace ternary operator with umax()
  ACPI: resource: Skip IRQ override on Asus Vivobook Pro N6506MU
  ACPI: PMIC: Constify struct pmic_table
  ACPI: bus: Indicate support for battery charge limiting thru _OSC
  ACPI: battery: Add support for charge limiting state
  ACPI: processor: Downgrade Intel _OSC and _PDC messages to debug
  ACPI: SBS: manage alarm sysfs attribute through psy core
  ACPI: battery: create alarm sysfs attribute atomically
  ACPI: battery: use sysfs_emit over sprintf
  ACPI: battery: constify powersupply properties
  ACPI: SBS: constify powersupply properties
  ACPI: AC: constify powersupply properties
  ACPI: PMIC: Replace open coded be16_to_cpu()
  ACPI: PMIC: Convert pr_*() to dev_*() printing macros
  ACPI: PMIC: Use sizeof() instead of hard coded value
  ACPI: NUMA: Consolidate header includes
  ACPI: CPPC: add sysfs entry for guaranteed performance
  ...
2024-07-16 16:19:36 -07:00
Rafael J. Wysocki
fa0d938c28 Merge branches 'acpi-pmic', 'acpi-battery' and 'acpi-numa'
Merge ACPI PMIC driver changes, updates related to the ACPI battery and
SBS drivers and NUMA-related ACPI updates for 6.11-rc1:

 - Clean up the ACPI PMIC driver in multiple ways (Andy
   Shevchenko, Christophe JAILLET).

 - Add support for charge limiting state to the ACPI battery driver
   and update _OSC to indicate support for it (Armin Wolf).

 - Clean up the sysfs interface in the ACPI battery, SBS (smart battery
   subsystem) and AC drivers (Thomas Weißschuh).

 - Coordinate header includes in the ACPI NUMA code and make it use
   ACCESS_COORDINATE_CPU when appropriate (Huang Ying, Thorsten Blum).

* acpi-pmic:
  ACPI: PMIC: Constify struct pmic_table
  ACPI: PMIC: Replace open coded be16_to_cpu()
  ACPI: PMIC: Convert pr_*() to dev_*() printing macros
  ACPI: PMIC: Use sizeof() instead of hard coded value

* acpi-battery:
  ACPI: bus: Indicate support for battery charge limiting thru _OSC
  ACPI: battery: Add support for charge limiting state
  ACPI: SBS: manage alarm sysfs attribute through psy core
  ACPI: battery: create alarm sysfs attribute atomically
  ACPI: battery: use sysfs_emit over sprintf
  ACPI: battery: constify powersupply properties
  ACPI: SBS: constify powersupply properties
  ACPI: AC: constify powersupply properties

* acpi-numa:
  ACPI: NUMA: Consolidate header includes
  ACPI: HMAT: Use ACCESS_COORDINATE_CPU when appropriate
2024-07-15 19:08:18 +02:00
Armin Wolf
face1c543e ACPI: bus: Indicate support for battery charge limiting thru _OSC
The ACPI battery driver can handle the "charge limiting" state
of the battery, so the platform can advertise this state.

Indicate this by setting bit 19 ("Battery Charge Limiting Support")
when evaluating _OSC.

Tested on a Lenovo Ideapad S145-14IWL.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://patch.msgid.link/20240620191410.3646-2-W_Armin@gmx.de
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2024-07-01 19:26:04 +02:00
James Morse
d633da5d3a irqchip/gic-v3: Add support for ACPI's disabled but 'online capable' CPUs
To support virtual CPU hotplug, ACPI has added an 'online capable' bit
to the MADT GICC entries. This indicates a disabled CPU entry may not
be possible to online via PSCI until firmware has set enabled bit in
_STA.

This means that a "usable" GIC redistributor is one that is marked as
either enabled, or online capable. The meaning of the
acpi_gicc_is_usable() would become less clear than just checking the
pair of flags at call sites. As such, drop that helper function.
The test in gic_acpi_match_gicc() remains as testing just the
enabled bit so the count of enabled distributors is correct.

What about the redistributor in the GICC entry? ACPI doesn't want to say.
Assume the worst: When a redistributor is described in the GICC entry,
but the entry is marked as disabled at boot, assume the redistributor
is inaccessible.

The GICv3 driver doesn't support late online of redistributors, so this
means the corresponding CPU can't be brought online either.
Rather than modifying cpu masks that may already have been used,
register a new cpuhp callback to fail this case. This must run earlier
than the main gic_starting_cpu() so that this case can be rejected
before the section of cpuhp that runs on the CPU that is coming up as
that is not allowed to fail. This solution keeps the handling of this
broken firmware corner case local to the GIC driver. As precise ordering
of this callback doesn't need to be controlled as long as it is
in that initial prepare phase, use CPUHP_BP_PREPARE_DYN.

Systems that want CPU hotplug in a VM can ensure their redistributors
are always-on, and describe them that way with a GICR entry in the MADT.

Suggested-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: James Morse <james.morse@arm.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Tested-by: Miguel Luis <miguel.luis@oracle.com>
Co-developed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240529133446.28446-15-Jonathan.Cameron@huawei.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2024-06-28 18:38:31 +01:00
Jonathan Cameron
36b921637e ACPI: processor: Add acpi_get_processor_handle() helper
If CONFIG_ACPI_PROCESSOR provide a helper to retrieve the
acpi_handle for a given CPU allowing access to methods
in DSDT.

Tested-by: Miguel Luis <miguel.luis@oracle.com>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20240529133446.28446-8-Jonathan.Cameron@huawei.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2024-06-28 18:38:28 +01:00
Thorsten Blum
79a947bd54 ACPI: NUMA: Consolidate header includes
The header file acpi/acpi_numa.h is included whether CONFIG_ACPI is
defined or not.

Include it only once before the #ifdef/#else/#endif preprocessor
directives and fix the following make includecheck warning:

	acpi/acpi_numa.h is included more than once

Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2024-06-13 21:17:42 +02:00
Pierre-Louis Bossart
0b7e448119
ACPI: utils: introduce acpi_get_local_u64_address()
The ACPI _ADR is a 64-bit value. We changed the definitions in commit
ca6f998cf9 ("ACPI: bus: change _ADR representation to 64 bits") but
some helpers still assume the value is a 32-bit value.

This patch adds a new helper to extract the full 64-bits. The existing
32-bit helper is kept for backwards-compatibility and cases where the
_ADR is known to fit in a 32-bit value.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240528192936.16180-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-06-10 12:48:09 +01:00
Lorenzo Pieralisi
ababa16fd9 irqchip/gic-v3: Enable non-coherent redistributors/ITSes ACPI probing
The GIC architecture specification defines a set of registers for
redistributors and ITSes that control the sharebility and cacheability
attributes of redistributors/ITSes initiator ports on the interconnect
(GICR_[V]PROPBASER, GICR_[V]PENDBASER, GITS_BASER<n>).

Architecturally the GIC provides a means to drive shareability and
cacheability attributes signals but it is not mandatory for designs to
wire up the corresponding interconnect signals that control the
cacheability/shareability of transactions.

Redistributors and ITSes interconnect ports can be connected to
non-coherent interconnects that are not able to manage the
shareability/cacheability attributes; this implicitly makes the
redistributors and ITSes non-coherent observers.

To enable non-coherent GIC designs on ACPI based systems, parse the MADT
GICC/GICR/ITS subtables non-coherent flags to determine whether the
respective components are non-coherent observers and force the
shareability attributes to be programmed into the redistributors and
ITSes registers.

An ACPI global function (acpi_get_madt_revision()) is added to retrieve
the MADT revision, in that it is essential to check the MADT revision
before checking for flags that were added with MADT revision 7 so that
if the kernel is booted with an ACPI MADT table with revision < 7 it
skips parsing the newly added flags (that should be zeroed reserved
values for MADT versions < 7 but they could turn out to be buggy and
should be ignored).

Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Link: https://lore.kernel.org/r/20240606094238.757649-2-lpieralisi@kernel.org
2024-06-06 16:30:15 +02:00
Linus Torvalds
ce952d8f0e gpio updates for v6.10-rc1
GPIO core:
 - remove more unused legacy interfaces (after converting the last remaining
   users to better alternatives)
 - update kerneldocs
 - improve error handling and log messages in GPIO ACPI code
 - remove dead code (always true checks) from GPIOLIB
 
 New drivers:
 - add a driver for Intel Granite Rapids-D vGPIO
 
 Driver improvements:
 - use -ENOTSUPP consistently in gpio-regmap and gpio-pcie-idio-24
 - provide an ID table for gpio-cros-ec to avoid a driver name fallback check
 - add support for gpio-ranges for GPIO drivers supporting multiple GPIO banks
 - switch to using dynamic GPIO base in gpio-brcmstb
 - fix irq handling in gpio-npcm-sgpio
 - switch to memory mapped IO accessors in gpio-sch
 
 DT bindings:
 - add support for gpio-ranges to gpio-brcmstb
 - add support for a new model and the gpio-line-names property to gpio-mpfs
 
 Documentation:
 - replace leading tabs with spaces in code blocks
 - fix typos
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Merge tag 'gpio-updates-for-v6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio updates from Bartosz Golaszewski
 "This was a quiet release cycle for the GPIO tree and so this
  pull-request is relatively small.

  We have one new driver, some minor improvements to the GPIO core code
  and across several drivers, some DT and documentation updates but in
  general nothing stands out or is controversial. All changes have spent
  time in next with no reported issues (or ones that were quickly
  fixed).

  GPIO core:
   - remove more unused legacy interfaces (after converting the last
     remaining users to better alternatives)
   - update kerneldocs
   - improve error handling and log messages in GPIO ACPI code
   - remove dead code (always true checks) from GPIOLIB

  New drivers:
   - add a driver for Intel Granite Rapids-D vGPIO

  Driver improvements:
   - use -ENOTSUPP consistently in gpio-regmap and gpio-pcie-idio-24
   - provide an ID table for gpio-cros-ec to avoid a driver name
     fallback check
   - add support for gpio-ranges for GPIO drivers supporting multiple
     GPIO banks
   - switch to using dynamic GPIO base in gpio-brcmstb
   - fix irq handling in gpio-npcm-sgpio
   - switch to memory mapped IO accessors in gpio-sch

  DT bindings:
   - add support for gpio-ranges to gpio-brcmstb
   - add support for a new model and the gpio-line-names property to
     gpio-mpfs

  Documentation:
   - replace leading tabs with spaces in code blocks
   - fix typos"

* tag 'gpio-updates-for-v6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (30 commits)
  gpio: nuvoton: Fix sgpio irq handle error
  gpiolib: Discourage to use formatting strings in line names
  gpio: brcmstb: add support for gpio-ranges
  gpio: of: support gpio-ranges for multiple gpiochip devices
  dt-bindings: gpio: brcmstb: add gpio-ranges
  gpio: Add Intel Granite Rapids-D vGPIO driver
  gpio: brcmstb: Use dynamic GPIO base numbers
  gpiolib: acpi: Set label for IRQ only lines
  gpiolib: acpi: Add fwnode name to the GPIO interrupt label
  gpiolib: Get rid of never false gpio_is_valid() calls
  gpiolib: acpi: Pass con_id instead of property into acpi_dev_gpio_irq_get_by()
  gpiolib: acpi: Move acpi_can_fallback_to_crs() out of __acpi_find_gpio()
  gpiolib: acpi: Simplify error handling in __acpi_find_gpio()
  gpiolib: acpi: Extract __acpi_find_gpio() helper
  gpio: sch: Utilise temporary variable for struct device
  gpio: sch: Switch to memory mapped IO accessors
  gpio: regmap: Use -ENOTSUPP consistently
  gpio: pcie-idio-24: Use -ENOTSUPP consistently
  Documentation: gpio: Replace leading TABs by spaces in code blocks
  gpiolib: acpi: Check for errors first in acpi_find_gpio()
  ...
2024-05-14 15:07:07 -07:00
Rafael J. Wysocki
d9f87a7e9a Merge branches 'acpi-x86', 'acpi-dptf' and 'acpi-apei'
Merge x86-specific ACPI updates, an ACPI DPTF driver update adding new
platform support to it, and an ACPI APEI update:

 - Add a num-cs device property to specify the number of chip selects
   for Intel Braswell to the ACPI LPSS (Intel SoC) driver and remove a
   nested CONFIG_PM #ifdef from it (Andy Shevchenko).

 - Move three x86-specific ACPI files to the x86 directory (Andy
   Shevchenko).

 - Mark SMO8810 accel on Dell XPS 15 9550 as always present and add a
   PNP_UART1_SKIP quirk for Lenovo Blade2 tablets (Hans de Goede).

 - Move acpi_blacklisted() declaration to asm/acpi.h (Kuppuswamy
   Sathyanarayanan).

 - Add Lunar Lake support to the ACPI DPTF driver (Sumeet Pawnikar).

 - Mark the einj_driver driver's remove callback as __exit because it
   cannot get unbound via sysfs (Uwe Kleine-König).

* acpi-x86:
  ACPI: Move acpi_blacklisted() declaration to asm/acpi.h
  ACPI: x86: Add PNP_UART1_SKIP quirk for Lenovo Blade2 tablets
  ACPI: x86: utils: Mark SMO8810 accel on Dell XPS 15 9550 as always present
  ACPI: x86: Move LPSS to x86 folder
  ACPI: x86: Move blacklist to x86 folder
  ACPI: x86: Move acpi_cmos_rtc to x86 folder
  ACPI: x86: Introduce a Makefile
  ACPI: LPSS: Remove nested ifdeffery for CONFIG_PM
  ACPI: LPSS: Advertise number of chip selects via property

* acpi-dptf:
  ACPI: DPTF: Add Lunar Lake support

* acpi-apei:
  ACPI: APEI: EINJ: mark remove callback as __exit
2024-05-13 20:58:14 +02:00
Rafael J. Wysocki
ca86ab598d Merge branches 'acpi-resource', 'acpi-property' and 'acpi-numa'
Make ACPI resource management quirks, a documentation update related to
the ACPI handling of device properties and ACPI NUMA handling changes
for 6.10:

 - Add ACPI IRQ override quirks for Asus Vivobook Pro N6506MV, TongFang
   GXxHRXx and GMxHGxx, and XMG APEX 17 M23 (Guenter Schafranek, Tamim
   Khan, Christoffer Sandberg).

 - Add reference to UEFI DSD Guide to the documentation related to the
   ACPI handling of device properties (Sakari Ailus).

 - Fix SRAT lookup of CFMWS ranges with numa_fill_memblks(), remove
   lefover architecture-dependent code from the ACPI NUMA handling code
   and simplify it on top of that (Robert Richter).

* acpi-resource:
  ACPI: resource: Skip IRQ override on Asus Vivobook Pro N6506MV
  ACPI: resource: Do IRQ override on TongFang GXxHRXx and GMxHGxx
  ACPI: resource: Do IRQ override on GMxBGxx (XMG APEX 17 M23)

* acpi-property:
  ACPI: property: Add reference to UEFI DSD Guide

* acpi-numa:
  ACPI/NUMA: Squash acpi_numa_memory_affinity_init() into acpi_parse_memory_affinity()
  ACPI/NUMA: Squash acpi_numa_slit_init() into acpi_parse_slit()
  ACPI/NUMA: Remove architecture dependent remainings
  x86/numa: Fix SRAT lookup of CFMWS ranges with numa_fill_memblks()
2024-05-13 19:33:20 +02:00
Robert Richter
3a785e19f4 ACPI/NUMA: Remove architecture dependent remainings
With the removal of the Itanium architecture [1] the last architecture
dependent functions:

 acpi_numa_slit_init(), acpi_numa_memory_affinity_init()

were removed. Remove its remainings in the header files too and make
them static.

[1] commit cf8e865810 ("arch: Remove Itanium (IA-64) architecture")

Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Signed-off-by: Robert Richter <rrichter@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2024-05-07 13:47:15 +02:00
Kuppuswamy Sathyanarayanan
dfac21b1ee ACPI: Move acpi_blacklisted() declaration to asm/acpi.h
The function acpi_blacklisted() is defined only when CONFIG_X86 is
enabled and is only used by X86 arch code. To align with its usage and
definition conditions, move its declaration to asm/acpi.h

Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
[ rjw: Added empty code line in a header file ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2024-04-30 21:29:18 +02:00
Andy Shevchenko
57b60ec4b3 gpiolib: acpi: Pass con_id instead of property into acpi_dev_gpio_irq_get_by()
Pass the con_id instead of property so that callers won't repeat
the GPIO suffixes to try.

Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2024-04-15 16:12:18 +03:00
Armin Wolf
403ad17c06 ACPI: bus: Indicate support for IRQ ResourceSource thru _OSC
The ACPI IRQ mapping code supports parsing of ResourceSource,
but this is not reported thru _OSC.

Fix this by setting bit 13 ("Interrupt ResourceSource support")
when evaluating _OSC.

Fixes: d44fa3d460 ("ACPI: Add support for ResourceSource/IRQ domain mapping")
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2024-03-27 16:39:35 +01:00
Armin Wolf
d0d4f1474e ACPI: Fix Generic Initiator Affinity _OSC bit
The ACPI spec says bit 17 should be used to indicate support
for Generic Initiator Affinity Structure in SRAT, but we currently
set bit 13 ("Interrupt ResourceSource support").

Fix this by actually setting bit 17 when evaluating _OSC.

Fixes: 01aabca2fd ("ACPI: Let ACPI know we support Generic Initiator Affinity Structures")
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2024-03-27 16:39:35 +01:00
Armin Wolf
a8a967a243 ACPI: bus: Indicate support for the Generic Event Device thru _OSC
A device driver for the Generic Event Device (ACPI0013) already
exists for quite some time, but support for it was never reported
thru _OSC.

Fix this by setting bit 11 ("Generic Event Device support") when
evaluating _OSC.

Fixes: 3db80c230d ("ACPI: implement Generic Event Device")
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2024-03-27 16:39:35 +01:00
Armin Wolf
6e8345f23c ACPI: bus: Indicate support for more than 16 p-states thru _OSC
The code responsible for parsing the available p-states should
have no problems handling more than 16 p-states.

Indicate this by setting bit 10 ("Greater Than 16 p-state support")
when evaluating _OSC.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2024-03-27 16:39:35 +01:00
Armin Wolf
95d43290f1 ACPI: bus: Indicate support for _TFP thru _OSC
The ACPI thermal driver already uses the _TPF ACPI method to retrieve
precise sampling time values, but this is not reported thru _OSC.

Fix this by setting bit 9 ("Fast Thermal Sampling support") when
evaluating _OSC.

Fixes: a2ee7581af ("ACPI: thermal: Add Thermal fast Sampling Period (_TFP) support")
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2024-03-27 16:39:35 +01:00
Linus Torvalds
02c163e959 cxl for v6.9
- Supplement ACPI HMAT reported memory performance with native CXL
   memory performance enumeration
 
 - Add support for CXL error injection via the ACPI EINJ mechanism
 
 - Cleanup CXL DOE and CDAT integration
 
 - Miscellaneous cleanups and fixes
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Merge tag 'cxl-for-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull CXL updates from Dan Williams:
 "CXL has mechanisms to enumerate the performance characteristics of
  memory devices. Those mechanisms allow Linux to build the equivalent
  of ACPI SRAT, SLIT, and HMAT tables dynamically at runtime. That
  capability is necessary because static ACPI can not represent dynamic
  CXL configurations (and reconfigurations).

  So, building on the v6.8 work to add "Quality of Service" enumeration,
  this update plumbs CXL "access coordinates" (read/write access latency
  and bandwidth) in all the same places that ACPI HMAT feeds similar
  data. Follow-on patches from the -mm side can then use that data to
  feed mechanisms like mm/memory-tiers.c. Greg has acked the touch to
  drivers/base/.

  The other feature update this cycle is support for CXL error injection
  via the ACPI EINJ module. That facility enables injection of bus
  protocol errors provided the user knows the magic address values to
  insert in the interface. To hide that magic, and make this easier to
  use, new error injection attributes were added to CXL debugfs. That
  interface injects the errors relative to a CXL object rather than
  require user tooling to know how to lookup and inject RCRB (Root
  Complex Register Block) addresses into the raw EINJ debugfs interface.
  It received some helpful review comments from Tony, but no explicit
  acks from the ACPI side. The primary user visible change for existing
  EINJ users is that they may find that einj.ko was already loaded by
  cxl_core.ko. Previously, einj.ko was only loaded on demand.

  The usual collection of miscellaneous cleanups are also present this
  cycle.

  Summary:

   - Supplement ACPI HMAT reported memory performance with native CXL
     memory performance enumeration

   - Add support for CXL error injection via the ACPI EINJ mechanism

   - Cleanup CXL DOE and CDAT integration

   - Miscellaneous cleanups and fixes"

* tag 'cxl-for-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (21 commits)
  Documentation/ABI/testing/debugfs-cxl: Fix "Unexpected indentation"
  lib/firmware_table: Provide buffer length argument to cdat_table_parse()
  cxl/pci: Get rid of pointer arithmetic reading CDAT table
  cxl/pci: Rename DOE mailbox handle to doe_mb
  cxl: Fix the incorrect assignment of SSLBIS entry pointer initial location
  cxl/core: Add CXL EINJ debugfs files
  EINJ, Documentation: Update EINJ kernel doc
  EINJ: Add CXL error type support
  EINJ: Migrate to a platform driver
  cxl/region: Deal with numa nodes not enumerated by SRAT
  cxl/region: Add memory hotplug notifier for cxl region
  cxl/region: Add sysfs attribute for locality attributes of CXL regions
  cxl/region: Calculate performance data for a region
  cxl: Set cxlmd->endpoint before adding port device
  cxl: Move QoS class to be calculated from the nearest CPU
  cxl: Split out host bridge access coordinates
  cxl: Split out combine_coordinates() for common shared usage
  ACPI: HMAT / cxl: Add retrieval of generic port coordinates for both access classes
  ACPI: HMAT: Introduce 2 levels of generic port access class
  base/node / ACPI: Enumerate node access class for 'struct access_coordinate'
  ...
2024-03-16 10:04:12 -07:00
Dave Jiang
debdce20c4 cxl/region: Deal with numa nodes not enumerated by SRAT
For the numa nodes that are not created by SRAT, no memory_target is
allocated and is not managed by the HMAT_REPORTING code. Therefore
hmat_callback() memory hotplug notifier will exit early on those NUMA
nodes. The CXL memory hotplug notifier will need to call
node_set_perf_attrs() directly in order to setup the access sysfs
attributes.

In acpi_numa_init(), the last proximity domain (pxm) id created by SRAT is
stored. Add a helper function acpi_node_backed_by_real_pxm() in order to
check if a NUMA node id is defined by SRAT or created by CFMWS.

node_set_perf_attrs() symbol is exported to allow update of perf attribs
for a node. The sysfs path of
/sys/devices/system/node/nodeX/access0/initiators/* is created by
node_set_perf_attrs() for the various attributes where nodeX is matched
to the NUMA node of the CXL region.

Cc: Rafael J. Wysocki <rafael@kernel.org>
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/20240308220055.2172956-13-dave.jiang@intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2024-03-12 14:54:03 -07:00