Devicetree
 help / color / mirror / Atom feed
From: Drew Fustini <fustini@kernel.org>
To: Sunil V L <sunilvl@oss.qualcomm.com>
Cc: "Paul Walmsley" <pjw@kernel.org>,
	"Palmer Dabbelt" <palmer@dabbelt.com>,
	"Albert Ou" <aou@eecs.berkeley.edu>,
	"Alexandre Ghiti" <alex@ghiti.fr>,
	"Radim Krčmář" <rkrcmar@ventanamicro.com>,
	"Samuel Holland" <samuel.holland@sifive.com>,
	"Adrien Ricciardi" <aricciardi@baylibre.com>,
	"Nicolas Pitre" <npitre@baylibre.com>,
	"Kornel Dulęba" <mindal@semihalf.com>,
	"Atish Patra" <atish.patra@linux.dev>,
	"Atish Kumar Patra" <atishp@rivosinc.com>,
	"Vasudevan Srinivasan" <vasu@rivosinc.com>,
	"Ved Shanbhogue" <ved@rivosinc.com>,
	"Conor Dooley" <conor.dooley@microchip.com>,
	"yunhui cui" <cuiyunhui@bytedance.com>,
	"Chen Pei" <cp0613@linux.alibaba.com>,
	"Liu Zhiwei" <zhiwei_liu@linux.alibaba.com>,
	"Weiwei Li" <liwei1518@gmail.com>,
	guo.wenjia23@zte.com.cn,
	"Gong Shuai" <gong.shuai@sanechips.com.cn>,
	"Gong Shuai" <gsh517@gmail.com>,
	liu.qingtao2@zte.com.cn,
	"Reinette Chatre" <reinette.chatre@intel.com>,
	"Tony Luck" <tony.luck@intel.com>,
	"Babu Moger" <babu.moger@amd.com>,
	"Peter Newman" <peternewman@google.com>,
	"Fenghua Yu" <fenghua.yu@intel.com>,
	"James Morse" <james.morse@arm.com>,
	"Ben Horgan" <ben.horgan@arm.com>,
	"Dave Martin" <Dave.Martin@arm.com>,
	"Rob Herring" <robh@kernel.org>,
	"Conor Dooley" <conor+dt@kernel.org>,
	"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	"Len Brown" <lenb@kernel.org>,
	"Robert Moore" <robert.moore@intel.com>,
	"Sunil V L" <sunilvl@ventanamicro.com>,
	"Thomas Gleixner" <tglx@kernel.org>,
	"Ingo Molnar" <mingo@redhat.com>,
	"Borislav Petkov" <bp@alien8.de>,
	"Dave Hansen" <dave.hansen@linux.intel.com>,
	"H. Peter Anvin" <hpa@zytor.com>,
	"Sebastian Andrzej Siewior" <bigeasy@linutronix.de>,
	"Clark Williams" <clrkwllms@kernel.org>,
	"Steven Rostedt" <rostedt@goodmis.org>,
	"Jonathan Corbet" <corbet@lwn.net>,
	linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
	x86@kernel.org, linux-acpi@vger.kernel.org,
	acpica-devel@lists.linux.dev, devicetree@vger.kernel.org,
	"Paul Walmsley" <paul.walmsley@sifive.com>,
	"Conor Dooley" <conor@kernel.org>,
	linux-rt-devel@lists.linux.dev, linux-doc@vger.kernel.org
Subject: Re: [PATCH RFC v5 16/18] ACPI: RISC-V: Parse RISC-V Quality of Service Controller (RQSC) table
Date: Sat, 30 May 2026 18:51:01 -0700	[thread overview]
Message-ID: <ahuUBV8QYo_ToOrB@gen8> (raw)
In-Reply-To: <CAB19ukE9r_V=0eop3=f8zohhnCavd=9GjDEK1VMMbOb0ReOtDA@mail.gmail.com>

On Mon, May 25, 2026 at 01:53:09PM +0530, Sunil V L wrote:
> > +               if (info.mcid_count > CBQRI_MAX_MCID) {
> > +                       pr_warn("controller at %pa: mcid_count %u exceeds CBQRI_MAX_MCID %u, skipping\n",
> > +                               &info.addr, info.mcid_count, CBQRI_MAX_MCID);
> > +                       continue;
> > +               }
> > +
> Do you also want to add a check for the statement in the spec "At
> least one of RCID Count or MCID Count must be non-zero." ?

Good idea, I'll add a skip with pr_warn when both are zero.

> > +/* RQSC v0.9.2 Table 4: Resource Type values for acpi_rqsc_resource.type. */
> > +#define ACPI_RQSC_RESOURCE_TYPE_CACHE  0
> > +#define ACPI_RQSC_RESOURCE_TYPE_MEMORY 1
> > +
> > +/* RQSC v0.9.2 Table 4: Resource ID Type values for .id_type. */
> > +#define ACPI_RQSC_RESOURCE_ID_TYPE_PROCESSOR_CACHE     0
> > +#define ACPI_RQSC_RESOURCE_ID_TYPE_MEMORY_RANGE                1
> > +
> Memory-Side Cache, ACPI, PCI devices missing?

I'll add the constants for the future.

Thanks,
Drew

  reply	other threads:[~2026-05-31  1:51 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-24 23:55 [PATCH RFC v5 00/18] riscv: add Ssqosid and CBQRI resctrl support Drew Fustini
2026-05-24 23:55 ` [PATCH RFC v5 01/18] dt-bindings: riscv: Add Ssqosid extension description Drew Fustini
2026-05-24 23:55 ` [PATCH RFC v5 02/18] riscv: detect the Ssqosid extension Drew Fustini
2026-05-24 23:55 ` [PATCH RFC v5 03/18] riscv: add support for srmcfg CSR from " Drew Fustini
2026-05-25  0:30   ` sashiko-bot
2026-05-24 23:55 ` [PATCH RFC v5 04/18] fs/resctrl: Add resctrl_is_membw() helper Drew Fustini
2026-05-24 23:55 ` [PATCH RFC v5 05/18] fs/resctrl: Add RDT_RESOURCE_MB_MIN and RDT_RESOURCE_MB_WGHT Drew Fustini
2026-05-24 23:55 ` [PATCH RFC v5 06/18] fs/resctrl: Let bandwidth resources default to min_bw at reset Drew Fustini
2026-05-24 23:55 ` [PATCH RFC v5 07/18] riscv_cbqri: Add capacity controller probe and allocation device ops Drew Fustini
2026-05-25  0:30   ` sashiko-bot
2026-05-24 23:55 ` [PATCH RFC v5 08/18] riscv_cbqri: Add capacity controller monitoring " Drew Fustini
2026-05-25  0:29   ` sashiko-bot
2026-05-25  6:58     ` Drew Fustini
2026-05-24 23:55 ` [PATCH RFC v5 09/18] riscv_cbqri: Add bandwidth controller probe and allocation " Drew Fustini
2026-05-25  0:30   ` sashiko-bot
2026-05-25  7:21     ` Drew Fustini
2026-05-24 23:55 ` [PATCH RFC v5 10/18] riscv_cbqri: Add bandwidth controller monitoring " Drew Fustini
2026-05-25  0:36   ` sashiko-bot
2026-05-24 23:55 ` [PATCH RFC v5 11/18] riscv_cbqri: resctrl: Add cache allocation via capacity block mask Drew Fustini
2026-05-25  0:50   ` sashiko-bot
2026-05-24 23:55 ` [PATCH RFC v5 12/18] riscv_cbqri: resctrl: Add L3 cache occupancy monitoring Drew Fustini
2026-05-25  0:46   ` sashiko-bot
2026-05-24 23:55 ` [PATCH RFC v5 13/18] riscv_cbqri: resctrl: Add MB_MIN bandwidth allocation via Rbwb Drew Fustini
2026-05-25  0:55   ` sashiko-bot
2026-05-31  1:50     ` Drew Fustini
2026-05-24 23:55 ` [PATCH RFC v5 14/18] riscv_cbqri: resctrl: Add MB_WGHT bandwidth allocation via Mweight Drew Fustini
2026-05-25  0:52   ` sashiko-bot
2026-05-31  1:50     ` Drew Fustini
2026-05-24 23:55 ` [PATCH RFC v5 15/18] riscv_cbqri: resctrl: Add mbm_total_bytes bandwidth monitoring Drew Fustini
2026-05-25  1:27   ` sashiko-bot
2026-05-31  1:50     ` Drew Fustini
2026-05-24 23:55 ` [PATCH RFC v5 16/18] ACPI: RISC-V: Parse RISC-V Quality of Service Controller (RQSC) table Drew Fustini
2026-05-25  8:23   ` Sunil V L
2026-05-31  1:51     ` Drew Fustini [this message]
2026-05-24 23:55 ` [PATCH RFC v5 17/18] ACPI: RISC-V: Add support for RISC-V Quality of Service Controller (RQSC) Drew Fustini
2026-05-24 23:55 ` [PATCH RFC v5 18/18] riscv: enable resctrl filesystem for Ssqosid Drew Fustini

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=ahuUBV8QYo_ToOrB@gen8 \
    --to=fustini@kernel.org \
    --cc=Dave.Martin@arm.com \
    --cc=acpica-devel@lists.linux.dev \
    --cc=alex@ghiti.fr \
    --cc=aou@eecs.berkeley.edu \
    --cc=aricciardi@baylibre.com \
    --cc=atish.patra@linux.dev \
    --cc=atishp@rivosinc.com \
    --cc=babu.moger@amd.com \
    --cc=ben.horgan@arm.com \
    --cc=bigeasy@linutronix.de \
    --cc=bp@alien8.de \
    --cc=clrkwllms@kernel.org \
    --cc=conor+dt@kernel.org \
    --cc=conor.dooley@microchip.com \
    --cc=conor@kernel.org \
    --cc=corbet@lwn.net \
    --cc=cp0613@linux.alibaba.com \
    --cc=cuiyunhui@bytedance.com \
    --cc=dave.hansen@linux.intel.com \
    --cc=devicetree@vger.kernel.org \
    --cc=fenghua.yu@intel.com \
    --cc=gong.shuai@sanechips.com.cn \
    --cc=gsh517@gmail.com \
    --cc=guo.wenjia23@zte.com.cn \
    --cc=hpa@zytor.com \
    --cc=james.morse@arm.com \
    --cc=krzk+dt@kernel.org \
    --cc=lenb@kernel.org \
    --cc=linux-acpi@vger.kernel.org \
    --cc=linux-doc@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-riscv@lists.infradead.org \
    --cc=linux-rt-devel@lists.linux.dev \
    --cc=liu.qingtao2@zte.com.cn \
    --cc=liwei1518@gmail.com \
    --cc=mindal@semihalf.com \
    --cc=mingo@redhat.com \
    --cc=npitre@baylibre.com \
    --cc=palmer@dabbelt.com \
    --cc=paul.walmsley@sifive.com \
    --cc=peternewman@google.com \
    --cc=pjw@kernel.org \
    --cc=rafael@kernel.org \
    --cc=reinette.chatre@intel.com \
    --cc=rkrcmar@ventanamicro.com \
    --cc=robert.moore@intel.com \
    --cc=robh@kernel.org \
    --cc=rostedt@goodmis.org \
    --cc=samuel.holland@sifive.com \
    --cc=sunilvl@oss.qualcomm.com \
    --cc=sunilvl@ventanamicro.com \
    --cc=tglx@kernel.org \
    --cc=tony.luck@intel.com \
    --cc=vasu@rivosinc.com \
    --cc=ved@rivosinc.com \
    --cc=x86@kernel.org \
    --cc=zhiwei_liu@linux.alibaba.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox