From: Ben Horgan <ben.horgan@arm.com>
To: Jonathan Cameron <jonathan.cameron@huawei.com>,
James Morse <james.morse@arm.com>
Cc: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org,
D Scott Phillips OS <scott@os.amperecomputing.com>,
carl@os.amperecomputing.com, lcherian@marvell.com,
bobo.shaobowang@huawei.com, tan.shaopeng@fujitsu.com,
baolin.wang@linux.alibaba.com,
Jamie Iles <quic_jiles@quicinc.com>,
Xin Hao <xhao@linux.alibaba.com>,
peternewman@google.com, dfustini@baylibre.com,
amitsinght@marvell.com, David Hildenbrand <david@redhat.com>,
Dave Martin <dave.martin@arm.com>, Koba Ko <kobak@nvidia.com>,
Shanker Donthineni <sdonthineni@nvidia.com>,
fenghuay@nvidia.com, baisheng.gao@unisoc.com,
Rob Herring <robh@kernel.org>,
Rohit Mathew <rohit.mathew@arm.com>,
Rafael Wysocki <rafael@kernel.org>, Len Brown <lenb@kernel.org>,
Lorenzo Pieralisi <lpieralisi@kernel.org>,
Hanjun Guo <guohanjun@huawei.com>,
Sudeep Holla <sudeep.holla@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Danilo Krummrich <dakr@kernel.org>,
Jeremy Linton <jeremy.linton@arm.com>,
Gavin Shan <gshan@redhat.com>
Subject: Re: [PATCH v3 09/29] arm_mpam: Add MPAM MSC register layout definitions
Date: Mon, 27 Oct 2025 16:33:14 +0000 [thread overview]
Message-ID: <6380b1a2-45ea-4a7f-a1db-81d92442fca8@arm.com> (raw)
In-Reply-To: <20251024183228.00005a64@huawei.com>
Hi James, Jonathan,
On 10/24/25 18:32, Jonathan Cameron wrote:
> On Fri, 17 Oct 2025 18:56:25 +0000
> James Morse <james.morse@arm.com> wrote:
>
>> Memory Partitioning and Monitoring (MPAM) has memory mapped devices
>> (MSCs) with an identity/configuration page.
>>
>> Add the definitions for these registers as offset within the page(s).
>>
>> Link: https://developer.arm.com/documentation/ihi0099/latest/
>
> I can't figure out how to get a stable link when there is only
> one version. If possible would be good to use one.
>
> I guess it probably doesn't matter unless someone renames things as
> you only have as subset of the fields currently there for some registers.
>
https://developer.arm.com/documentation/ihi0099/aa/
This link has the version, A.a, at the end so should be stable. I found
this by visiting an unknown version,
https://developer.arm.com/documentation/ihi0099/unknown/, and seeing
where it redirects.
Thanks,
Ben
next prev parent reply other threads:[~2025-10-27 16:33 UTC|newest]
Thread overview: 108+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-17 18:56 [PATCH v3 00/29] arm_mpam: Add basic mpam driver James Morse
2025-10-17 18:56 ` [PATCH v3 01/29] ACPI / PPTT: Add a helper to fill a cpumask from a processor container James Morse
2025-10-24 11:26 ` Jonathan Cameron
2025-11-06 16:09 ` Ben Horgan
2025-10-17 18:56 ` [PATCH v3 02/29] ACPI / PPTT: Stop acpi_count_levels() expecting callers to clear levels James Morse
2025-10-24 11:29 ` Jonathan Cameron
2025-11-06 16:10 ` Ben Horgan
2025-10-17 18:56 ` [PATCH v3 03/29] ACPI / PPTT: Find cache level by cache-id James Morse
2025-10-20 10:34 ` Ben Horgan
2025-10-24 14:15 ` Jonathan Cameron
2025-10-17 18:56 ` [PATCH v3 04/29] ACPI / PPTT: Add a helper to fill a cpumask from a cache_id James Morse
2025-10-20 10:45 ` Ben Horgan
2025-10-22 12:58 ` Jeremy Linton
2025-10-24 14:22 ` Jonathan Cameron
2025-11-06 16:18 ` Ben Horgan
2025-10-17 18:56 ` [PATCH v3 05/29] arm64: kconfig: Add Kconfig entry for MPAM James Morse
2025-10-17 18:56 ` [PATCH v3 06/29] ACPI / MPAM: Parse the MPAM table James Morse
2025-10-20 12:29 ` Ben Horgan
2025-10-24 16:13 ` Jonathan Cameron
2025-11-06 16:55 ` Ben Horgan
2025-10-17 18:56 ` [PATCH v3 07/29] arm_mpam: Add probe/remove for mpam msc driver and kbuild boiler plate James Morse
2025-10-20 12:43 ` Ben Horgan
2025-10-20 15:44 ` Ben Horgan
2025-10-21 9:51 ` Ben Horgan
2025-10-22 0:29 ` Fenghua Yu
2025-10-22 19:00 ` Tushar Dave
2025-10-24 16:25 ` Jonathan Cameron
2025-11-06 17:48 ` Markus Elfring
2025-10-17 18:56 ` [PATCH v3 08/29] arm_mpam: Add the class and component structures for firmware described ris James Morse
2025-10-24 16:47 ` Jonathan Cameron
2025-11-06 17:43 ` Ben Horgan
2025-10-17 18:56 ` [PATCH v3 09/29] arm_mpam: Add MPAM MSC register layout definitions James Morse
2025-10-17 23:03 ` Fenghua Yu
2025-10-24 17:32 ` Jonathan Cameron
2025-10-27 16:33 ` Ben Horgan [this message]
2025-10-29 6:37 ` Shaopeng Tan (Fujitsu)
2025-10-17 18:56 ` [PATCH v3 10/29] arm_mpam: Add cpuhp callbacks to probe MSC hardware James Morse
2025-10-29 7:24 ` Shaopeng Tan (Fujitsu)
2025-10-17 18:56 ` [PATCH v3 11/29] arm_mpam: Probe hardware to find the supported partid/pmg values James Morse
2025-10-24 17:40 ` Jonathan Cameron
2025-10-17 18:56 ` [PATCH v3 12/29] arm_mpam: Add helpers for managing the locking around the mon_sel registers James Morse
2025-10-24 17:43 ` Jonathan Cameron
2025-10-17 18:56 ` [PATCH v3 13/29] arm_mpam: Probe the hardware features resctrl supports James Morse
2025-10-24 17:47 ` Jonathan Cameron
2025-10-17 18:56 ` [PATCH v3 14/29] arm_mpam: Merge supported features during mpam_enable() into mpam_class James Morse
2025-10-17 18:56 ` [PATCH v3 15/29] arm_mpam: Reset MSC controls from cpuhp callbacks James Morse
2025-10-24 17:52 ` Jonathan Cameron
2025-10-29 6:53 ` Shaopeng Tan (Fujitsu)
2025-10-17 18:56 ` [PATCH v3 16/29] arm_mpam: Add a helper to touch an MSC from any CPU James Morse
2025-10-17 18:56 ` [PATCH v3 17/29] arm_mpam: Extend reset logic to allow devices to be reset any time James Morse
2025-10-20 15:14 ` Ben Horgan
2025-10-17 18:56 ` [PATCH v3 18/29] arm_mpam: Register and enable IRQs James Morse
2025-10-24 18:03 ` Jonathan Cameron
2025-10-29 7:02 ` Shaopeng Tan (Fujitsu)
2025-10-17 18:56 ` [PATCH v3 19/29] arm_mpam: Use a static key to indicate when mpam is enabled James Morse
2025-10-20 16:28 ` Ben Horgan
2025-10-17 18:56 ` [PATCH v3 20/29] arm_mpam: Allow configuration to be applied and restored during cpu online James Morse
2025-10-20 17:04 ` Ben Horgan
2025-10-27 8:47 ` Shaopeng Tan (Fujitsu)
2025-11-05 16:16 ` Peter Newman
2025-11-06 10:11 ` Ben Horgan
2025-10-29 7:09 ` Shaopeng Tan (Fujitsu)
2025-10-17 18:56 ` [PATCH v3 21/29] arm_mpam: Probe and reset the rest of the features James Morse
2025-10-20 17:16 ` Ben Horgan
2025-10-17 18:56 ` [PATCH v3 22/29] arm_mpam: Add helpers to allocate monitors James Morse
2025-10-17 18:56 ` [PATCH v3 23/29] arm_mpam: Add mpam_msmon_read() to read monitor value James Morse
2025-10-24 18:18 ` Jonathan Cameron
2025-11-05 8:32 ` Shaopeng Tan (Fujitsu)
2025-11-05 12:11 ` Ben Horgan
2025-11-07 5:01 ` Shaopeng Tan (Fujitsu)
2025-11-07 10:01 ` Ben Horgan
2025-10-17 18:56 ` [PATCH v3 24/29] arm_mpam: Track bandwidth counter state for overflow and power management James Morse
2025-10-22 13:39 ` [PATCH mpam mpam/snapshot/v6.14-rc1] arm64/mpam: Fix MBWU monitor overflow handling Zeng Heng
2025-10-22 16:17 ` Ben Horgan
2025-10-25 8:45 ` Zeng Heng
2025-10-25 9:34 ` [PATCH] arm64/mpam: Clean MBWU monitor overflow bit Zeng Heng
2025-10-28 17:37 ` Ben Horgan
2025-10-28 17:04 ` [PATCH mpam mpam/snapshot/v6.14-rc1] arm64/mpam: Fix MBWU monitor overflow handling Ben Horgan
2025-10-25 9:01 ` Zeng Heng
2025-10-28 16:01 ` Ben Horgan
2025-10-29 2:49 ` Zeng Heng
2025-10-29 3:59 ` Zeng Heng
2025-10-24 18:22 ` [PATCH v3 24/29] arm_mpam: Track bandwidth counter state for overflow and power management Jonathan Cameron
2025-10-29 7:56 ` [PATCH v2] arm64/mpam: Clean MBWU monitor overflow bit Zeng Heng
2025-10-30 9:52 ` Ben Horgan
2025-11-03 3:47 ` Zeng Heng
2025-11-04 10:24 ` Ben Horgan
2025-11-04 13:48 ` Zeng Heng
2025-10-17 18:56 ` [PATCH v3 25/29] arm_mpam: Probe for long/lwd mbwu counters James Morse
2025-10-22 11:23 ` Ben Horgan
2025-10-24 18:24 ` Jonathan Cameron
2025-10-17 18:56 ` [PATCH v3 26/29] arm_mpam: Use long MBWU counters if supported James Morse
2025-10-22 12:31 ` Ben Horgan
2025-10-24 18:29 ` Jonathan Cameron
2025-11-06 15:18 ` Peter Newman
2025-11-06 15:43 ` Ben Horgan
2025-11-06 16:15 ` Peter Newman
2025-11-06 16:41 ` Ben Horgan
2025-11-07 10:30 ` Peter Newman
2025-11-07 10:53 ` Ben Horgan
2025-10-17 18:56 ` [PATCH v3 27/29] arm_mpam: Add helper to reset saved mbwu state James Morse
2025-10-24 18:34 ` Jonathan Cameron
2025-10-29 7:14 ` Shaopeng Tan (Fujitsu)
2025-10-17 18:56 ` [PATCH v3 28/29] arm_mpam: Add kunit test for bitmap reset James Morse
2025-10-17 18:56 ` [PATCH v3 29/29] arm_mpam: Add kunit tests for props_mismatch() James Morse
2025-10-18 1:01 ` [PATCH v3 00/29] arm_mpam: Add basic mpam driver Fenghua Yu
2025-10-23 8:15 ` Shaopeng Tan (Fujitsu)
2025-11-05 9:39 ` Peter Newman
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