Bart Van Assche <bvanassche@acm.org> says:
The patches in this series are a first step towards integrating
support in the upstream kernel for the UFS controller in the Pixel 6
and 7.
[mkp: resolve conflict with RPMB series]
Link: https://lore.kernel.org/r/20221208234358.252031-1-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Modify the UFSHCD core to allow 'struct ufshcd_sg_entry' to be
variable-length. The default is the standard length, but variants can
override ufs_hba::sg_entry_size with a larger value if there are
vendor-specific fields following the standard ones.
This is needed to support inline encryption with ufs-exynos (FMP).
Cc: Eric Biggers <ebiggers@google.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
[ bvanassche: edited commit message and introduced CONFIG_SCSI_UFS_VARIABLE_SG_ENTRY_SIZE ]
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Prepare for adding an additional ufshcd_clock_scaling_prepare() call with a
different timeout.
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Wait at most 20 ms before rechecking the doorbells instead of waiting for a
potentially long time between doorbell checks.
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
dev_err() statements are better to use than pr_err(), so switch to those.
In a similar vein, the check on the dev_req_params pointer here is not
needed, the two places this function is called never pass in a NULL
pointer, so instead of using dev_err() there just remove it.
Signed-off-by: Andrew Halaney <ahalaney@redhat.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Asutosh Das <quic_asutoshd@quicinc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This bitmask is unconditionally set in the current driver, so all
conditionals using it can be considered bit rot.
Let's take the current default conditional path everywhere and remove
dbg_print_en from the driver.
Signed-off-by: Andrew Halaney <ahalaney@redhat.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Asutosh Das <quic_asutoshd@quicinc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The current implementation has abstractions that don't give any benefits.
The print_fn callback (and its only callback implementation,
ufs_qcom_dump_regs_wrapper()) was only used by
ufs_qcom_print_hw_debug_reg_all() and just multiplies len by 4 before
calling ufshcd_dump_regs().
ufs_qcom_print_hw_debug_reg_all() is only called by
ufs_qcom_dump_dbg_regs().
There's no real gain in those abstractions, so let's just do the work
directly in ufs_qcom_dump_dbg_regs() (the dbg_register_dump callback).
Signed-off-by: Andrew Halaney <ahalaney@redhat.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Asutosh Das <quic_asutoshd@quicinc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This code path is only called through one function, and the HBA struct is
already accessed in ufshcd_vops_dbg_register_dump() prior to calling so
there is no way for it to be NULL.
Likewise, the print_fn callback is always supplied within this driver and
is always provided.
Signed-off-by: Andrew Halaney <ahalaney@redhat.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Asutosh Das <quic_asutoshd@quicinc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add advanced RPMB support in ufs_bsg:
1. According to the UFS specification, only one RPMB operation can be
performed at any time. We can ensure this by using reserved slot and
its dev_cmd sync operation protection mechanism.
2. For Advanced RPMB, RPMB metadata is packaged in an EHS (Extra Header
Segment) of a command UPIU, and the corresponding reply EHS (from the
device) should also be returned to the user space. bsg_job->request
and bsg_job->reply allow us to pass and return EHS from/back to
userspace.
Compared to normal/legacy RPMB, the advantages of advanced RPMB are:
1. The data length in the Advanced RPMB data read/write command can be
larger than 4KB. For the legacy RPMB, the data length in a single RPMB
data transfer is 256 bytes.
2. All of the advanced RPMB operations will be a single command. For
legacy RPMB, take the read write-counter value as an example, you need
two commands (first SECURITY PROTOCOL OUT, then second SECURITY
PROTOCOL IN).
Signed-off-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
We need to fill in the total EHS length in UTP Transfer Request Descriptor.
Add this functionality to ufshcd_prepare_req_desc_hdr().
Signed-off-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Check UFS Advanced RPMB LU enablement during ufshcd_lu_init().
Signed-off-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Take out the "map scatter-gather list to prdt" part of the code in
ufshcd_map_sg() and split it into a new function ufshcd_sgl_to_prdt().
Signed-off-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Move sg_copy_from_buffer() below its associated case statement.
Signed-off-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Remove checks on job->request_len and job->reply_len because msgcode checks
in a subseqent commit will rule out malicious requests.
Signed-off-by: Bean Huo <beanhuo@micron.com>
Acked-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
According to the comments in struct ufs_bsg_reply and its usage, the result
should be signed int, not __u32.
Signed-off-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Tjmax value retrieved from MSR_IA32_TEMPERATURE_TARGET can be changed at
runtime when the Intel SST-PP (Intel Speed Select Technology -
Performance Profile) level is changed.
Enhance the code to use updated tjmax when programming the thermal
interrupt thresholds.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cleanup the code by using Intel TCC library for TCC (Thermal Control
Circuitry) MSR access.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cleanup the code by using Intel TCC library for TCC (Thermal Control
Circuitry) MSR access.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cleanup the code by using Intel TCC library for TCC (Thermal Control
Circuitry) MSR access.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cleanup the code by using Intel TCC library for TCC (Thermal Control
Circuitry) MSR access.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
There are several different drivers that accesses the Intel TCC
(thermal control circuitry) MSRs, and each of them has its own
implementation for the same functionalities, e.g. getting the current
temperature, getting the tj_max, and getting/setting the tj_max offset.
Introduce a library to unify the code for Intel CPU TCC MSR access.
At the same time, ensure the temperature is got based on the updated
tjmax value because tjmax can be changed at runtime for cases like
the Intel SST-PP (Intel Speed Select Technology - Performance Profile)
level change.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- Add ACPI IRQ override quirks for Asus ExpertBook B2502, Lenovo
14ALC7, and XMG Core 15 (Hans de Goede, Adrian Freund, Erik
Schumacher).
- Adjust ACPI video detection fallback path to prevent non-operational
ACPI backlight devices from being created on systems where the native
driver does not detect a suitable panel (Mario Limonciello).
- Fix Apple GMUX backlight detection (Hans de Goede).
- Add a low-power S0 idle (S0ix) handling quirk for HP Elitebook 865
and stop using AMD-specific low-power S0 idle code path for systems
with Rembrandt chips and newer (Mario Limonciello).
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Merge tag 'acpi-6.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These are new ACPI IRQ override quirks, low-power S0 idle (S0ix)
support adjustments and ACPI backlight handling fixes, mostly for
platforms using AMD chips.
Specifics:
- Add ACPI IRQ override quirks for Asus ExpertBook B2502, Lenovo
14ALC7, and XMG Core 15 (Hans de Goede, Adrian Freund, Erik
Schumacher).
- Adjust ACPI video detection fallback path to prevent
non-operational ACPI backlight devices from being created on
systems where the native driver does not detect a suitable panel
(Mario Limonciello).
- Fix Apple GMUX backlight detection (Hans de Goede).
- Add a low-power S0 idle (S0ix) handling quirk for HP Elitebook 865
and stop using AMD-specific low-power S0 idle code path for systems
with Rembrandt chips and newer (Mario Limonciello)"
* tag 'acpi-6.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: x86: s2idle: Stop using AMD specific codepath for Rembrandt+
ACPI: x86: s2idle: Force AMD GUID/_REV 2 on HP Elitebook 865
ACPI: video: Fix Apple GMUX backlight detection
ACPI: resource: Add Asus ExpertBook B2502 to Asus quirks
ACPI: resource: do IRQ override on Lenovo 14ALC7
ACPI: resource: do IRQ override on XMG Core 15
ACPI: video: Don't enable fallback path for creating ACPI backlight by default
drm/amd/display: Report to ACPI video if no panels were found
ACPI: video: Allow GPU drivers to report no panels
Just a few small fixes:
- A regression fix for HDMI audio on HD-audio AMD codecs
- Fixes for LINE6 MIDI handling
- HD-audio quirk for Dell laptops
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Merge tag 'sound-6.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Just a few small fixes:
- A regression fix for HDMI audio on HD-audio AMD codecs
- Fixes for LINE6 MIDI handling
- HD-audio quirk for Dell laptops"
* tag 'sound-6.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/hdmi: Static PCM mapping again with AMD HDMI codecs
ALSA: hda/realtek: Apply dual codec fixup for Dell Latitude laptops
ALSA: line6: fix stack overflow in line6_midi_transmit
ALSA: line6: correct midi status byte when receiving data from podxt
Compiling with clang-16:
drivers/acpi/acpi_lpit.c:142:6: error: no previous prototype \
for function 'acpi_init_lpit' [-Werror,-Wmissing-prototypes]
drivers/acpi/ioapic.c:212:6: error: no previous prototype \
for function 'pci_ioapic_remove' [-Werror,-Wmissing-prototypes]
drivers/acpi/ioapic.c:229:5: error: no previous prototype \
for function 'acpi_ioapic_remove' [-Werror,-Wmissing-prototypes]
Include "internal.h" to silence them.
Signed-off-by: Ammar Faizi <ammarfaizi2@gnuweeb.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
After making acpi_processor_get_platform_limit() use the "no limit"
value for its frequency QoS request when _PPC returns 0, it is not
necessary to replace the frequency corresponding to the first _PSS
return package entry with the maximum turbo frequency of the given
CPU in intel_pstate_init_acpi_perf_limits() any more, so drop the
code doing that along with the comment explaining it.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Modify acpi_processor_get_platform_limit() to avoid updating its
frequency QoS request when the _PPC return value has not changed
by comparing that value to the previous _PPC return value stored in
the performance_platform_limit field of the struct acpi_processor
corresponding to the given CPU.
While at it, do the _PPC return value check against the state count
earlier, to avoid setting performance_platform_limit to an invalid
value, and make acpi_processor_ppc_init() use FREQ_QOS_MAX_DEFAULT_VALUE
as the "no limit" frequency QoS for consistency.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
When _PPC returns 0, it means that the CPU frequency is not limited by
the platform firmware, so make acpi_processor_get_platform_limit()
update the frequency QoS request used by it to "no limit" in that case.
This addresses a problem with limiting CPU frequency artificially on
some systems after CPU offline/online to the frequency that corresponds
to the first entry in the _PSS return package.
Reported-by: Pratyush Yadav <ptyadav@amazon.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Pratyush Yadav <ptyadav@amazon.de>
Tested-by: Pratyush Yadav <ptyadav@amazon.de>
The (void *) type pointer does not need to be cast, so don't do
that in lapic_timer_check_state().
Signed-off-by: Zhou jie <zhoujie@nfschina.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
acpi_get_handle() uses the pathname argument to find a handle related to
that pathname but it does not need to modify it. Make it const, in order
to be able to pass const pathname to it.
Link: https://github.com/acpica/acpica/pull/773
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Microsoft introduced support in Windows XP for blocking port I/O
to various regions. For Windows compatibility ACPICA has adopted
the same protections and will disallow writes to those
(presumably) the same regions.
On some systems the AML included with the firmware will issue 4 byte
long writes to 0x80. These writes aren't making it over because of this
blockage. The first 4 byte write attempt is rejected, and then
subsequently 1 byte at a time each offset is tried. The first at 0x80
works, but then the next 3 bytes are rejected.
This manifests in bizarre failures for devices that expected the AML to
write all 4 bytes. Trying the same AML on Windows 10 or 11 doesn't hit
this failure and all 4 bytes are written.
Either some of these regions were wrong or some point after Windows XP
some of these regions blocks have been lifted.
In the last 15 years there doesn't seem to be any reports popping up of
this error in the Windows event viewer anymore. There is no documentation
at Microsoft's developer site indicating that Windows ACPI interpreter
blocks these regions. Between the lack of documentation and the fact that
the writes actually do work in Windows 10 and 11, it's quite likely
Windows doesn't actually enforce this anymore.
So to help the issue, only enforce Windows XP specific entries if the
latest _OSI supported is Windows XP. Continue to enforce the
ALWAYS_ILLEGAL entries.
Link: https://github.com/acpica/acpica/pull/817
Fixes: 7f07190390 ("ACPICA: New: I/O port protection")
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Add a pmic_i2c_address entry to intel_pmic_bytcrc.c, so that
intel_soc_pmic_exec_mipi_pmic_seq_element() can be used on
devices with a Bay Trail Crystal Cove PMIC OpRegion driver.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Add support for the NVMe Boot Firmware Table (NBFT) to facilitate
booting from NVM Express namespaces which are accessed via
NVMe over Fabrics (NVMe-oF).
Signed-off-by: Stuart Hayes <stuart.w.hayes@gmail.com>
Reviewed-by: John Meneghini <jmeneghi@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Document the compatible for the IADC used on PM8226.
Signed-off-by: Rayyan Ansari <rayyan@ansari.sh>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221228230421.56250-5-rayyan@ansari.sh
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Jason Yan <yanaijie@huawei.com> says:
A few coding style fixes and cleanups. There should be no functional
changes in this series besides the debug log prints.
Link: https://lore.kernel.org/r/20221214133808.1649122-1-yanaijie@huawei.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Factor out sas_ex_add_dev() to be consistent with sas_ata_add_dev() and
unify the error handling.
Cc: John Garry <john.g.garry@oracle.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Factor out sas_ata_add_dev() and put it in sas_ata.c since it is a SATA
related interface. Also follow the standard coding style to define an
inline empty function when CONFIG_SCSI_SAS_ATA is not enabled.
Cc: John Garry <john.g.garry@oracle.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The domain device 'child' is allocated in sas_ex_discover_end_dev() and
used to be added to the dev_list in this function. After the following two
fixes the device is added to the disco_list instead. As a result, the
list_del() and locking left behind is now redundant.
Fixes: 87c8331fcf ("[SCSI] libsas: prevent domain rediscovery competing with ata error handling")
Fixes: 92625f9bff ("[SCSI] libsas: restore scan order")
Cc: John Garry <john.g.garry@oracle.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The coding style where calling this interface is inconsistent with other
interfaces for SATA devices. The standard style for other SATA interfaces
is like:
#ifdefine CONFIG_SCSI_SAS_ATA
void sas_ata_task_abort(struct sas_task *task);
#else
static inline void sas_ata_task_abort(struct sas_task *task)
{
}
#endif
And the callers does not have to do things like "#ifdefine CONFIG_SCSI_SAS_ATA"
and may call the interface directly. So follow the standard style here.
Cc: John Garry <john.g.garry@oracle.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Reviewed-by: Jack Wang <jinpu.wang@ionos.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
There is a sas_get_ata_command_set() declaration above sas_get_ata_info()
to make it compile. However, this function is defined in the same
file. Move it up to save the forward declaration.
Also remove the variable 'fis' which is not needed in this function.
Cc: John Garry <john.g.garry@oracle.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Merge ACPI resource handling quirks and ACPI backlight handling fixes
for 6.2-rc2:
- Add ACPI IRQ override quirks for Asus ExpertBook B2502, Lenovo
14ALC7, and XMG Core 15 (Hans de Goede, Adrian Freund, Erik
Schumacher).
- Adjust ACPI video detection fallback path to prevent non-operational
ACPI backlight devices from being created on systems where the native
driver does not detect a suitable panel (Mario Limonciello).
- Fix Apple GMUX backlight detection (Hans de Goede).
* acpi-resource:
ACPI: resource: Add Asus ExpertBook B2502 to Asus quirks
ACPI: resource: do IRQ override on Lenovo 14ALC7
ACPI: resource: do IRQ override on XMG Core 15
* acpi-video:
ACPI: video: Fix Apple GMUX backlight detection
ACPI: video: Don't enable fallback path for creating ACPI backlight by default
drm/amd/display: Report to ACPI video if no panels were found
ACPI: video: Allow GPU drivers to report no panels
Make the struct irq_chip const, flag it as IRQCHIP_IMMUTABLE, add the
new helper functions, and call the appropriate gpiolib functions.
Signed-off-by: Cixi Geng <cixi.geng1@unisoc.com>
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Remove the irq_chip from pmic_eic structure,
use the various calls by defining the statically
irq_chip structure.
Signed-off-by: Cixi Geng <cixi.geng1@unisoc.com>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Remove the irq_chip from pmic_eic structure,
use the various calls by defining the statically
irq_chip structure.
Signed-off-by: Cixi Geng <cixi.geng1@unisoc.com>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
