JIRA: https://issues.redhat.com/browse/RHEL-20138
commit c5855d2022b0d33702d5da24ed8caa80a3e57c23
Author: Xi Pardee <xi.pardee@linux.intel.com>
Date: Fri Feb 14 13:44:11 2025 -0800
platform/x86/intel/pmc: Remove unneeded extern keyword in header
Remove unneeded extern keyword in header file. Functions are
extern by default so extern keyword is not unnecessary for
function declaration.
Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Link: https://lore.kernel.org/r/20250214214416.10150-4-xi.pardee@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-20138
commit 9eeeb2a7c77313530a223b58ac53f0eba1c6292c
Author: Xi Pardee <xi.pardee@linux.intel.com>
Date: Fri Feb 14 13:44:10 2025 -0800
platform/x86/intel/pmc: Remove unnecessary declarations in header
Remove unnecessary declarations in header file. Variable that are
used by only one .c file are removed from header file and changed
to be static in their corresponding .c file.
Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Link: https://lore.kernel.org/r/20250214214416.10150-3-xi.pardee@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-20138
commit d31feed799c1a25750cc72113c22b1d4d744be21
Author: Xi Pardee <xi.pardee@linux.intel.com>
Date: Fri Feb 14 13:44:09 2025 -0800
platform/x86/intel/pmc: Add Panther Lake support to intel_pmc_core
Add Panther Lake support to intel_pmc_core driver
Signed-off-by: Rajvi Jingar <rajvi.jingar@linux.intel.com>
Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Link: https://lore.kernel.org/r/20250214214416.10150-2-xi.pardee@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-20138
commit d026feb03bdcde33e22a75777d59ed9d8725bcdd
Author: Xi Pardee <xi.pardee@linux.intel.com>
Date: Tue Feb 11 17:05:56 2025 -0800
platform/x86:intel/pmc: Move arch specific action to init function
Move arch specific action from core.c to the init() function of spt.c.
Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Link: https://lore.kernel.org/r/20250212010621.1003663-1-xi.pardee@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-20138
commit bd820906ea9dc3acfcac9de4f1be89b78609e2ac
Author: Xi Pardee <xi.pardee@linux.intel.com>
Date: Fri Feb 7 14:56:12 2025 -0800
platform/x86/intel/pmc: Add Arrow Lake U/H support to intel_pmc_core driver
Add Arrow Lake U and Arrow Lake H support in intel_pmc_core driver.
Signed-off-by: Rajvi Jingar <rajvi.jingar@linux.intel.com>
Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Link: https://lore.kernel.org/r/20250207225615.401235-7-xi.pardee@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-20138
commit 45fa1a0d4d8759787bf62b49019952e2d56a66f9
Author: Xi Pardee <xi.pardee@linux.intel.com>
Date: Fri Feb 7 14:56:10 2025 -0800
platform/x86/intel/pmc: Remove simple init functions
Remove simple init functions to avoid duplicate code. Store
init function performing architecture specific action in the
corresponding pmc_dev_info structure. Replace init function
with pmc_dev_info structure in X86_MATCH_VFM() of core.c.
Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Link: https://lore.kernel.org/r/20250207225615.401235-5-xi.pardee@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-20138
commit ac6bef0d54014cc010831ec86ac425f482a981ae
Author: Xi Pardee <xi.pardee@linux.intel.com>
Date: Fri Feb 7 14:56:09 2025 -0800
platform/x86:intel/pmc: Create generic_core_init() for all platforms
Create a generic_core_init() function for all architectures to reduce
duplicate code in each architecture file. Create an info structure
to catch the variations between each architecture and pass it to the
generic init function.
Convert all architectures to call the generic core init function.
Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Link: https://lore.kernel.org/r/20250207225615.401235-4-xi.pardee@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-20138
commit 78eaf4d12d7c4ec6cf2f5ed8d8737ae0da390930
Author: Xi Pardee <xi.pardee@linux.intel.com>
Date: Fri Feb 7 14:56:08 2025 -0800
platform/x86/intel/pmc: Remove duplicate enum
Remove duplicate enum PMC_IDX_SOC. PMC_IDX_SOC has the same value
as PMC_IDX_MAIN. Replace it with PMC_IDX_MAIN to avoid confusion.
Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20250207225615.401235-3-xi.pardee@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-20138
commit db7155b5e3d6e808c9e888e76a8f95690964a456
Author: Xi Pardee <xi.pardee@linux.intel.com>
Date: Fri Feb 7 14:56:07 2025 -0800
platform/x86:intel/pmc: Make tgl_core_generic_init() static
Make tgl_core_generic_init() a static function as the function has no
callers outside of tgl.c. Remove the prototype in core.h and reorder
the code in tgl.c.
Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20250207225615.401235-2-xi.pardee@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-79553
commit 583ef25bb2a094813351a727ddec38b35a15b9f8
Author: Dmitry Kandybka <d.kandybka@gmail.com>
Date: Fri Jan 24 01:07:39 2025 +0300
platform/x86/intel: pmc: fix ltr decode in pmc_core_ltr_show()
In pmc_core_ltr_show(), promote 'val' to 'u64' to avoid possible integer
overflow. Values (10 bit) are multiplied by the scale, the result of
expression is in a range from 1 to 34,326,183,936 which is bigger then
UINT32_MAX. Compile tested only.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Dmitry Kandybka <d.kandybka@gmail.com>
Reviewed-by: Rajneesh Bhardwaj <irenic.rajneesh@gmail.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20250123220739.68087-1-d.kandybka@gmail.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-79553
commit 1d7461d0c8330689117286169106af6531a747ed
Author: David E. Box <david.e.box@linux.intel.com>
Date: Mon Jan 6 09:46:52 2025 -0800
platform/x86: intel/pmc: Fix ioremap() of bad address
In pmc_core_ssram_get_pmc(), the physical addresses for hidden SSRAM
devices are retrieved from the MMIO region of the primary SSRAM device.
If additional devices are not present, the address returned is zero.
Currently, the code does not check for this condition, resulting in
ioremap() incorrectly attempting to map address 0.
Add a check for a zero address and return 0 if no additional devices
are found, as it is not an error for the device to be absent.
Fixes: a01486dc4bb1 ("platform/x86/intel/pmc: Cleanup SSRAM discovery")
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Link: https://lore.kernel.org/r/20250106174653.1497128-1-david.e.box@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-79553
commit 030c15b5610cedf7eb428dab5382f73d492a7967
Author: Dave Hansen <dave.hansen@linux.intel.com>
Date: Fri Dec 13 12:50:34 2024 -0800
x86/tsc: Move away from TSC leaf magic numbers
The TSC code has a bunch of hard-coded references to leaf 0x15. Change
them over to the symbolic name. Also zap the 'ART_CPUID_LEAF' definition.
It was a duplicate of 'CPUID_TSC_LEAF'.
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/all/20241213205034.B79D6224%40davehans-spike.ostc.intel.com
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-66571
commit 7a797cc9f80915cc5f1a5aee46d14880eb444644
Author: David E. Box <david.e.box@linux.intel.com>
Date: Thu Oct 17 14:04:38 2024 -0700
platform/x86/intel/pmc: Disable C1 auto-demotion during suspend
On some platforms, aggressive C1 auto-demotion may lead to failure to enter
the deepest C-state during suspend-to-idle, causing high power consumption.
To prevent this, disable C1 auto-demotion during suspend and re-enable on
resume.
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20241017210439.3449324-2-david.e.box@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-66571
commit 9fe43c8020a60b9c9ff44c4a9914e7e7df63084e
Author: David E. Box <david.e.box@linux.intel.com>
Date: Thu Oct 17 14:04:37 2024 -0700
platform/x86/intel/pmc: Refactor platform resume functions to use cnl_resume()
Several platform resume functions currently call pmc_core_send_ltr_ignore()
and pmc_core_resume_common(), both of which are already called by
cnl_resume(). Simplify the code by having these functions call cnl_resume()
directly.
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20241017210439.3449324-1-david.e.box@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-65816
commit 5fa607880168d991bdc819f493a11155e935abe6
Author: Marek Maslanka <mmaslanka@google.com>
Date: Sat Oct 12 18:26:55 2024 +0000
platform/x86:intel/pmc: Revert "Enable the ACPI PM Timer to be turned off when suspended"
Commit e86c8186d03a ("platform/x86:intel/pmc: Enable the ACPI PM Timer to
be turned off when suspended") can cause the suspend process to hang as
the pmcdev->lock in the pmc_core_acpi_pm_timer_suspend_resume might already
be held by the pmc_core_mphy_pg_show or pmc_core_pll_show if the userspace
gets frozen when these functions are being executed.
Also, pmc_core_acpi_pm_timer_suspend_resume must not sleep, as this
function is called indirectly by the tick_freeze function in
kernel/time/tick-common.c, which holds the spinlock.
Revert the changes for now to fix these issues.
Fixes: e86c8186d03a ("platform/x86:intel/pmc: Enable the ACPI PM Timer to be turned off when suspended")
Reported-by: Luca Coelho <luca@coelho.fi>
Closes: https://lore.kernel.org/lkml/40555604c3f4be43bf72e72d5409eaece4be9320.camel@coelho.fi/
Signed-off-by: Marek Maslanka <mmaslanka@google.com>
Link: https://lore.kernel.org/r/20241012182656.2107178-1-mmaslanka@google.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-65816
commit 0bdb4e57a1b0622685e6973321d7c417fb386b42
Author: Hans de Goede <hdegoede@redhat.com>
Date: Thu Oct 3 22:26:13 2024 +0200
platform/x86:intel/pmc: Disable ACPI PM Timer disabling on Sky and Kaby Lake
There have been multiple reports that the ACPI PM Timer disabling is
causing Sky and Kaby Lake systems to hang on all suspend (s2idle, s3,
hibernate) methods.
Remove the acpi_pm_tmr_ctl_offset and acpi_pm_tmr_disable_bit settings from
spt_reg_map to disable the ACPI PM Timer disabling on Sky and Kaby Lake to
fix the hang on suspend.
Fixes: e86c8186d03a ("platform/x86:intel/pmc: Enable the ACPI PM Timer to be turned off when suspended")
Reported-by: Paul Menzel <pmenzel@molgen.mpg.de>
Closes: https://lore.kernel.org/linux-pm/18784f62-91ff-4d88-9621-6c88eb0af2b5@molgen.mpg.de/
Reported-by: Todd Brandt <todd.e.brandt@intel.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219346
Cc: Marek Maslanka <mmaslanka@google.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Todd Brandt <todd.e.brandt@intel.com>
Tested-by: Paul Menzel <pmenzel@molgen.mpg.de> # Dell XPS 13 9360/0596KF
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20241003202614.17181-2-hdegoede@redhat.com
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-65816
commit cedf233530cc375343c5a0b612fe94392f246c99
Author: Xi Pardee <xi.pardee@intel.com>
Date: Fri Sep 6 11:40:03 2024 -0700
platform/x86: intel/pmc: Ignore all LTRs during suspend
Add support to ignore all LTRs before suspend and restore the previous
LTR values after suspend. This feature could be turned off with module
parameter ltr_ignore_all_suspend.
LTR value is a mechanism for a device to indicate tolerance to access
the corresponding resource. When system suspends, the resource is not
available and therefore the LTR value could be ignored. Ignoring all
LTR values prevents problematic device from blocking the system to get
to the deepest package state during suspend.
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Xi Pardee <xi.pardee@intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240906184016.268153-1-xi.pardee@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-65816
commit e86c8186d03a6ba018e881ed45f0962ad553e861
Author: Marek Maslanka <mmaslanka@google.com>
Date: Mon Aug 12 18:42:00 2024 +0000
platform/x86:intel/pmc: Enable the ACPI PM Timer to be turned off when suspended
Allow to disable ACPI PM Timer on suspend and enable on resume. A
disabled timer helps optimise power consumption when the system is
suspended. On resume the timer is only reactivated if it was activated
prior to suspend, so unless the ACPI PM timer is enabled in the BIOS,
this won't change anything.
The ACPI PM timer is used by Intel's iTCO/wdat_wdt watchdog to drive the
watchdog, so it doesn't need to run during suspend.
Signed-off-by: Marek Maslanka <mmaslanka@google.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240812184208.1080710-1-mmaslanka@google.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-65816
commit e35ee8ee498d68de24e6a831ff5d33665b41a802
Author: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Date: Tue Aug 6 11:30:47 2024 +0300
platform/x86: intel/pmc: Remove unused param idx from pmc_for_each_mode()
pmc_for_each_mode() takes i (index) variable name as a parameter but
the loop index is not used by any of the callers. Make the index
variable internal to pmc_for_each_mode().
This also changes the loop logic such that ->lpm_en_modes[] is never
read beyond num_lpm_modes.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240806083047.1562-1-ilpo.jarvinen@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-65816
commit fc9aef4382c02774662da3d7e1de8ba224e04f80
Author: David E. Box <david.e.box@linux.intel.com>
Date: Thu Jul 25 08:23:40 2024 -0400
platform/x86/intel/vsec.h: Move to include/linux
Some drivers outside of PDX86 need access to the vsec header. Move it to
include/linux to make it easier to include.
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Link: https://lore.kernel.org/r/20240725122346.4063913-2-michael.j.ruhl@intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-65816
commit a6fe07ce522a9f6242161ec516d46234c124c35f
Author: Kane Chen <kane.chen@intel.com>
Date: Fri Jul 19 20:28:07 2024 +0800
platform/x86/intel/pmc: Show live substate requirements
While debugging runtime s0ix, we do need to check which required IPs
are not power gated. This patch adds code to show live substate status
vs requirements in sys/kernel/debug/pmc_core/substate_requirements to
help runtime s0ix debug.
Signed-off-by: Kane Chen <kane.chen@intel.com>
Link: https://lore.kernel.org/r/20240719122807.3853292-1-kane.chen@intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-65816
commit 4dea807fa7e75275efa75f4d6caa72a082f3c86d
Author: Xi Pardee <xi.pardee@linux.intel.com>
Date: Mon Jun 24 13:32:18 2024 -0700
platform/x86:intel/pmc: Add support to undo ltr_ignore
Add ltr_restore support to undo the ltr_ignore action. It sets the
ltr_ignore bit of the corresponding IP to 0. Ltr_restore reuses some
functionality of pmc_core_ltr_ignore_write() so moved the common
functionality into a helper function.
Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Link: https://lore.kernel.org/r/20240624203218.2428475-10-xi.pardee@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-65816
commit 9e7f1e71561899e669ecc205e56027960c37a50c
Author: Xi Pardee <xi.pardee@linux.intel.com>
Date: Mon Jun 24 13:32:17 2024 -0700
platform/x86:intel/pmc: Use the Elvis operator
Replace ternary operator with Elvis operator in
pmc_core_ltr_ignore_write() for better readability
of the code.
Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Link: https://lore.kernel.org/r/20240624203218.2428475-9-xi.pardee@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-65816
commit 590a87fe36f1aa43e2d145a0b16d223f2f374899
Author: Xi Pardee <xi.pardee@linux.intel.com>
Date: Mon Jun 24 13:32:16 2024 -0700
platform/x86:intel/pmc: Use DEFINE_SHOW_STORE_ATTRIBUTE macro
DEFINE_SHOW_STORE_ATTRIBUTE() macro can be used for the ltr_ignore
attribute for better readability.
Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Link: https://lore.kernel.org/r/20240624203218.2428475-8-xi.pardee@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-65816
commit 97eb32b0ff3917ab4ec2745aafc318042c95e4a7
Author: Xi Pardee <xi.pardee@linux.intel.com>
Date: Mon Jun 24 13:32:15 2024 -0700
platform/x86:intel/pmc: Remove unneeded min_t check
min_t() check is not needed in pmc_core_ltr_ignore_write().
kstrtox() has a built-in overflow check.
Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Link: https://lore.kernel.org/r/20240624203218.2428475-7-xi.pardee@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-65816
commit 438aef8270579d4f8dee976709f015deb084e665
Author: Xi Pardee <xi.pardee@intel.com>
Date: Mon Jun 24 13:32:14 2024 -0700
platform/x86:intel/pmc: Add support to show ltr_ignore value
Add a column in ltr_show output to show if the IP has been ignored.
A mutex lock is used to protect the critical section as other processes
might try to write to the LTR ignore register at the same time.
Signed-off-by: Xi Pardee <xi.pardee@intel.com>
Link: https://lore.kernel.org/r/20240624203218.2428475-6-xi.pardee@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-65816
commit 4455e2b1c80cd0838d8883b18022e5bafdf2d1f4
Author: Xi Pardee <xi.pardee@linux.intel.com>
Date: Mon Jun 24 13:32:13 2024 -0700
platform/x86:intel/pmc: Move pmc assignment closer to first usage
Move pmc variable assignment closer to the conditional statement of
its first use for better readability.
Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Link: https://lore.kernel.org/r/20240624203218.2428475-5-xi.pardee@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-65816
commit a57a94d185004013e05734ffb626b0341742f9fb
Author: Xi Pardee <xi.pardee@intel.com>
Date: Mon Jun 24 13:32:12 2024 -0700
platform/x86:intel/pmc: Convert index variables to be unsigned
Convert the index variables type to unsigned to avoid confusion and
errors.
Signed-off-by: Xi Pardee <xi.pardee@intel.com>
Link: https://lore.kernel.org/r/20240624203218.2428475-4-xi.pardee@linux.intel.com
[ij: Converted also pmc_core_lpm_get_arr_size() to return unsigned int]
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-65816
commit 6d413a1f60fb2417061e8f26124f6bc41e09e504
Author: Xi Pardee <xi.pardee@intel.com>
Date: Mon Jun 24 13:32:11 2024 -0700
platform/x86:intel/pmc: Simplify mutex usage with cleanup helpers
Use macros defined in cleanup.h to automate the mutex lock/unlock flow.
Signed-off-by: Xi Pardee <xi.pardee@intel.com>
Link: https://lore.kernel.org/r/20240624203218.2428475-3-xi.pardee@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-65816
commit 40fdf3f623041eda2a8f825d0ccd4c18f8571ffb
Author: Xi Pardee <xi.pardee@intel.com>
Date: Mon Jun 24 13:32:10 2024 -0700
platform/x86:intel/pmc: Use the return value of pmc_core_send_msg
Use the return value of pmc_core_send_msg() directly instead of
assigning another code when an error occurs.
Signed-off-by: Xi Pardee <xi.pardee@intel.com>
Link: https://lore.kernel.org/r/20240624203218.2428475-2-xi.pardee@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-65816
commit 41ab81ce8490b9cad88e87c49315fb8c46208be7
Author: Jeff Johnson <quic_jjohnson@quicinc.com>
Date: Tue Jun 11 21:56:26 2024 -0700
platform/x86/intel: add missing MODULE_DESCRIPTION() macros
With ARCH=x86, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/x86/intel/pmc/intel_pmc_core_pltdrv.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/x86/intel/intel-hid.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/x86/intel/intel-vbtn.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/x86/intel/intel-rst.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/x86/intel/intel-smartconnect.o
Add the missing invocations of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240611-md-drivers-platform-x86-intel-v1-1-5ed967425b04@quicinc.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-65816
commit 33af65ad67495e61e5008beb1f7fbede22f85318
Author: Tony Luck <tony.luck@intel.com>
Date: Fri May 31 13:36:57 2024 -0700
platform/x86/intel/pmc: Switch to new Intel CPU model defines
New CPU #defines encode vendor and family as well as model.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240531203706.233365-2-tony.luck@intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-46817
commit 86cc9c70fb6a881a92e51017438ed84d46010471
Author: Xi Pardee <xi.pardee@intel.com>
Date: Thu Apr 25 17:27:52 2024 -0700
platform/x86:intel/pmc: Enable S0ix blocker show in Lunar Lake
Update Lunar Lake lpm maps to include S0ix blocker information.
Add Lunar Lake blocker maps to enable S0ix blocker show in pmc
core debugfs.
Signed-off-by: Xi Pardee <xi.pardee@intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240426002752.2504282-4-xi.pardee@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Steve Best <sbest@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-46817
commit 4f3eec14729eced6ef5ef7242b63ca14377d87fe
Author: Xi Pardee <xi.pardee@intel.com>
Date: Thu Apr 25 17:27:50 2024 -0700
platform/x86:intel/pmc: Update LNL signal status map
Update Lunar Lake signal status map. This status map has been updated
since the map was merged. This patch updates the signal status map to
the lastest version.
Signed-off-by: Xi Pardee <xi.pardee@intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240426002752.2504282-2-xi.pardee@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Steve Best <sbest@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-46817
commit d8dc1b95dec9586dacfc3963c94b3f89c8a95a2b
Author: Xi Pardee <xi.pardee@intel.com>
Date: Thu Apr 25 17:27:51 2024 -0700
platform/x86:intel/pmc: Add support to show S0ix blocker counter
S0ix blocker counter is available in PWRM space. Add support to
read and show S0ix blocker counter value through debugfs.
Signed-off-by: Xi Pardee <xi.pardee@intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240426002752.2504282-3-xi.pardee@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Steve Best <sbest@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-46817
commit f1f663ebfbec349118c41a5563aa266953200058
Author: Colin Ian King <colin.i.king@gmail.com>
Date: Thu Apr 18 22:52:02 2024 +0100
platform/x86/intel/pmc: Fix PCH names in comments
The PCH names in the pmc drivers are incorrect in the comments,
fix these.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20240418215202.879171-1-colin.i.king@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Steve Best <sbest@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-46817
commit 16f8091b49175f327120cdbbdde135d38a853ae1
Author: Kane Chen <kane.chen@intel.com>
Date: Fri Mar 8 11:31:27 2024 +0800
platform/x86/intel/pmc: Improve PKGC residency counters debug
The current code only prints PKGC-10 residency when the PKGC-10
is not reached in previous 'freeze' attempt. To debug PKGC-10 issues, we
also need to know other PKGC residency counters to better triage issues.
Ex:
1. When system is stuck in PC2, it can be caused short LTR from device.
2. When system is stuck in PC8, it can be caused by display engine.
To better triage issues, all PKGC residency are needed when issues happen.
Example log:
CPU did not enter Package C10!!! (Package C10 cnt=0x0)
Prev Package C2 cnt = 0x2191a325de, Current Package C2 cnt = 0x21aba30724
Prev Package C3 cnt = 0x0, Current Package C3 cnt = 0x0
Prev Package C6 cnt = 0x0, Current Package C6 cnt = 0x0
Prev Package C7 cnt = 0x0, Current Package C7 cnt = 0x0
Prev Package C8 cnt = 0x0, Current Package C8 cnt = 0x0
Prev Package C9 cnt = 0x0, Current Package C9 cnt = 0x0
Prev Package C10 cnt = 0x0, Current Package C10 cnt = 0x0
With this log, we can know whether it's a stuck PC2 issue, and we can
check whether the short LTR from device causes the issue.
Signed-off-by: Kane Chen <kane.chen@intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240308033127.1013053-1-kane.chen@intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Steve Best <sbest@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-46817
commit ac2d1fd9688fcdfba5acc815fb2b13fec83e5dad
Author: David E. Box <david.e.box@linux.intel.com>
Date: Tue Feb 27 11:01:34 2024 -0800
platform/x86/intel/pmc/arl: Put GNA device in D3
As is the case on Meteor Lake, the Gaussian & Neural Accelerator (GNA)
device is powered by BIOS to D0 by default. If no driver is loaded, this
will cause the Package C state to be limited to PC2, leading to
significant power consumption and decrease in batter life. Put the GNA
device in D3 by default if no driver is loaded for it.
Fixes: 83f168a1a437 ("platform/x86/intel/pmc: Add Arrow Lake S support to intel_pmc_core driver")
Signed-off-by: "David E. Box" <david.e.box@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Link: https://lore.kernel.org/r/20240227190134.1592072-3-david.e.box@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Steve Best <sbest@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-27144
commit e6ba4acde44957dc9bdc3222b5739217a102752d
Author: David E. Box <david.e.box@linux.intel.com>
Date: Tue Feb 27 11:01:33 2024 -0800
platform/x86/intel/pmc/lnl: Remove SSRAM support
A recent PMC firmware change in Lunar Lake caused the pmc_core driver to
fail to probe. This is due to a change in the GUID for PMC telemetry coming
from the SSRAM device. Until a final release is ready this value may
change again. In the meantime, disable the SSRAM support for Lunar Lake so
the driver can load and provide some basic functionality.
Fixes: 3748dfdae2a6 ("platform/x86/intel/pmc: Add Lunar Lake M support to intel_pmc_core driver")
Signed-off-by: "David E. Box" <david.e.box@linux.intel.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240227190134.1592072-2-david.e.box@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-15539
commit 669f157fd7ad987dd5beba46576ec357f4d6c686
Author: David E. Box <david.e.box@linux.intel.com>
Date: Fri Dec 22 19:25:48 2023 -0800
platform/x86/intel/pmc: Add missing extern
Add missing extern for tgl_h_reg_map. Fixes sparse warning:
drivers/platform/x86/intel/pmc/tgl.c:213:26: warning: symbol 'tgl_h_reg_map' was not declared. Should it be static?
Fixes: 544f7b7f651c ("platform/x86/intel/pmc: Add regmap for Tiger Lake H PCH")
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Link: https://lore.kernel.org/r/20231223032548.1680738-9-david.e.box@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-15539
commit 6f9fac5535ba2038063c656f0afb496d7f87bcc1
Author: David E. Box <david.e.box@linux.intel.com>
Date: Fri Dec 22 19:25:47 2023 -0800
platform/x86/intel/pmc/lnl: Add GBE LTR ignore during suspend
Add the GBE LTR ignore suspend time fix for Lunar Lake.
Fixes: 119652b855e6 ("platform/x86/intel/pmc: Add Lunar Lake M support to intel_pmc_core driver")
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Link: https://lore.kernel.org/r/20231223032548.1680738-8-david.e.box@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-15539
commit 10ed9ee0af5a6cab8b36b301865417a288179b06
Author: David E. Box <david.e.box@linux.intel.com>
Date: Fri Dec 22 19:25:46 2023 -0800
platform/x86/intel/pmc/arl: Add GBE LTR ignore during suspend
Add the GBE LTR ignore suspend time fix for Arrow Lake.
Fixes: f34dcf397286 ("platform/x86/intel/pmc: Add Arrow Lake S support to intel_pmc_core driver")
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Link: https://lore.kernel.org/r/20231223032548.1680738-7-david.e.box@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-15539
Conflicts: Out of order upstream commits (merge 2ad815797ef0)
commit 70681aa0746ae61d7668b9f651221fad5e30c71e
Author: David E. Box <david.e.box@linux.intel.com>
Date: Fri Dec 22 19:25:45 2023 -0800
platform/x86/intel/pmc: Move GBE LTR ignore to suspend callback
Commit 804951203aa5 ("platform/x86:intel/pmc: Combine core_init() and
core_configure()") caused a network performance regression due to the GBE
LTR ignore that it added at probe. This was needed in order to allow the
SoC to enter the deepest Package C state. To fix the regression and at
least support PC10 during suspend, move the LTR ignore from probe to the
suspend callback, and enable it again on resume. This solution will allow
PC10 during suspend but restrict Package C entry at runtime to no deeper
than PC8/9 while a network cable it attach to the PCH LAN.
Fixes: 804951203aa5 ("platform/x86:intel/pmc: Combine core_init() and core_configure()")
Signed-off-by: "David E. Box" <david.e.box@linux.intel.com>
Link: https://lore.kernel.org/r/20231223032548.1680738-6-david.e.box@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-15539
commit 6f9cc5c1f94daa98846b2073733d03ced709704b
Author: David E. Box <david.e.box@linux.intel.com>
Date: Fri Dec 22 19:25:44 2023 -0800
platform/x86/intel/pmc: Allow reenabling LTRs
Commit 804951203aa5 ("platform/x86:intel/pmc: Combine core_init() and
core_configure()") caused a network performance regression due to the GBE
LTR ignore that it added during probe. The fix will move the ignore to
occur at suspend-time (so as to not affect suspend power). This will
require the ability to enable the LTR again on resume. Modify
pmc_core_send_ltr_ignore() to allow enabling an LTR.
Fixes: 804951203aa5 ("platform/x86:intel/pmc: Combine core_init() and core_configure()")
Signed-off-by: "David E. Box" <david.e.box@linux.intel.com>
Link: https://lore.kernel.org/r/20231223032548.1680738-5-david.e.box@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-15539
commit 7c13f365aee68b01e7e68ee293a71fdc7571c111
Author: David E. Box <david.e.box@linux.intel.com>
Date: Fri Dec 22 19:25:43 2023 -0800
platform/x86/intel/pmc: Add suspend callback
Add a suspend callback to struct pmc for performing platform specific tasks
before device suspend. This is needed in order to perform GBE LTR ignore on
certain platforms at suspend-time instead of at probe-time and replace the
GBE LTR ignore removal that was done in order to fix a bug introduced by
commit 804951203aa5 ("platform/x86:intel/pmc: Combine core_init() and
core_configure()").
Fixes: 804951203aa5 ("platform/x86:intel/pmc: Combine core_init() and core_configure()")
Signed-off-by: "David E. Box" <david.e.box@linux.intel.com>
Link: https://lore.kernel.org/r/20231223032548.1680738-4-david.e.box@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-15539
commit 3748dfdae2a6bedc64ec7d2b17c9a58dc01c2700
Author: Rajvi Jingar <rajvi.jingar@linux.intel.com>
Date: Mon Dec 18 20:22:16 2023 -0800
platform/x86/intel/pmc: Add Lunar Lake M support to intel_pmc_core driver
Add Lunar Lake M support in intel_pmc_core driver
Signed-off-by: Rajvi Jingar <rajvi.jingar@linux.intel.com>
Link: https://lore.kernel.org/r/20231219042216.2592029-8-rajvi.jingar@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-15539
commit 83f168a1a4375c653d6d2383fd6ce5b404d031da
Author: Rajvi Jingar <rajvi.jingar@linux.intel.com>
Date: Mon Dec 18 20:22:15 2023 -0800
platform/x86/intel/pmc: Add Arrow Lake S support to intel_pmc_core driver
Add Arrow Lake S support in intel_pmc_core driver
Signed-off-by: Rajvi Jingar <rajvi.jingar@linux.intel.com>
Link: https://lore.kernel.org/r/20231219042216.2592029-7-rajvi.jingar@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: David Arcari <darcari@redhat.com>
JIRA: https://issues.redhat.com/browse/RHEL-15539
commit 1d62ada48d41d72d72232585eed0f3e1136ae1fb
Author: Rajvi Jingar <rajvi.jingar@linux.intel.com>
Date: Mon Dec 18 20:22:14 2023 -0800
platform/x86/intel/pmc: Add ssram_init flag in PMC discovery in Meteor Lake
If PMC discovery using pmc_core_ssram_init() was unsuccessful for the
Meteor Lake platform, the legacy enumeration method is used. In this
case pci device struct for the PMC SSRAM is not available
and pmc_core_ssram_get_lpm_reqs() will not work. Add ssram_init flag to
indicate if the PMC SSRAM initialization was successful or not. Call
pmc_core_ssram_get_lpm_reqs() only if the ssram_init flag is set to true.
Signed-off-by: Rajvi Jingar <rajvi.jingar@linux.intel.com>
Link: https://lore.kernel.org/r/20231219042216.2592029-6-rajvi.jingar@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: David Arcari <darcari@redhat.com>