From: Babu Moger <babu.moger@amd.com>
To: <fenghua.yu@intel.com>, <reinette.chatre@intel.com>,
<tglx@linutronix.de>, <mingo@redhat.com>, <bp@alien8.de>
Cc: <eranian@google.com>, <dave.hansen@linux.intel.com>,
<x86@kernel.org>, <hpa@zytor.com>, <corbet@lwn.net>,
<hpa@zytor.com>, <linux-kernel@vger.kernel.org>,
<linux-doc@vger.kernel.org>
Subject: [PATCH v2 03/10] x86/resctrl: Add a new resource type RDT_RESOURCE_SMBA
Date: Mon, 1 Aug 2022 15:55:59 -0500 [thread overview]
Message-ID: <165938735951.724959.5927072727388257548.stgit@bmoger-ubuntu> (raw)
In-Reply-To: <165938717220.724959.10931629283087443782.stgit@bmoger-ubuntu>
Adds a new resource type RDT_RESOURCE_SMBA to handle the QoS
enforcement policies on the external slow memory.
Signed-off-by: Babu Moger <babu.moger@amd.com>
---
arch/x86/kernel/cpu/resctrl/core.c | 12 ++++++++++++
arch/x86/kernel/cpu/resctrl/internal.h | 1 +
2 files changed, 13 insertions(+)
diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c
index a5c51a14fbce..6c38427b71a2 100644
--- a/arch/x86/kernel/cpu/resctrl/core.c
+++ b/arch/x86/kernel/cpu/resctrl/core.c
@@ -100,6 +100,18 @@ struct rdt_hw_resource rdt_resources_all[] = {
.fflags = RFTYPE_RES_MB,
},
},
+ [RDT_RESOURCE_SMBA] =
+ {
+ .r_resctrl = {
+ .rid = RDT_RESOURCE_SMBA,
+ .name = "SB",
+ .cache_level = 3,
+ .domains = domain_init(RDT_RESOURCE_SMBA),
+ .parse_ctrlval = parse_bw,
+ .format_str = "%d=%*u",
+ .fflags = RFTYPE_RES_MB,
+ },
+ },
};
/*
diff --git a/arch/x86/kernel/cpu/resctrl/internal.h b/arch/x86/kernel/cpu/resctrl/internal.h
index 1d647188a43b..24a1dfeb6cb2 100644
--- a/arch/x86/kernel/cpu/resctrl/internal.h
+++ b/arch/x86/kernel/cpu/resctrl/internal.h
@@ -418,6 +418,7 @@ enum resctrl_res_level {
RDT_RESOURCE_L3,
RDT_RESOURCE_L2,
RDT_RESOURCE_MBA,
+ RDT_RESOURCE_SMBA,
/* Must be the last */
RDT_NUM_RESOURCES,
next prev parent reply other threads:[~2022-08-01 20:56 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-01 20:55 [PATCH v2 00/10] x86/resctrl: Support for AMD QoS new features and bug fix Babu Moger
2022-08-01 20:55 ` [PATCH v2 01/10] x86/resctrl: Fix min_cbm_bits for AMD Babu Moger
2022-08-01 20:55 ` [PATCH v2 02/10] x86/cpufeatures: Add Slow Memory Bandwidth Allocation feature flag Babu Moger
2022-08-01 20:55 ` Babu Moger [this message]
2022-08-01 20:56 ` [PATCH v2 04/10] x86/resctrl: Detect and configure Slow Memory Bandwidth allocation Babu Moger
2022-08-01 20:56 ` [PATCH v2 05/10] x86/cpufeatures: Add Bandwidth Monitoring Event Configuration feature flag Babu Moger
2022-08-01 20:56 ` [PATCH v2 06/10] x86/resctrl: Introduce mon_configurable to detect Bandwidth Monitoring Event Configuration Babu Moger
2022-08-01 20:56 ` [PATCH v2 07/10] x86/resctrl: Add sysfs interface files to read/write event configuration Babu Moger
2022-08-01 20:56 ` [PATCH v2 08/10] x86/resctrl: Add the sysfs interface to read the " Babu Moger
2022-08-01 20:56 ` [PATCH v2 09/10] x86/resctrl: Add sysfs interface to write " Babu Moger
2022-08-01 20:56 ` [PATCH v2 10/10] Documentation/x86: Update resctrl_ui.rst for new features Babu Moger
2022-08-03 3:50 ` Bagas Sanjaya
2022-08-03 15:59 ` Moger, Babu
2022-08-04 7:57 ` Bagas Sanjaya
2022-08-02 2:16 ` [PATCH v2 00/10] x86/resctrl: Support for AMD QoS new features and bug fix Bagas Sanjaya
2022-08-02 9:39 ` Ingo Molnar
2022-08-02 13:41 ` Moger, Babu
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=165938735951.724959.5927072727388257548.stgit@bmoger-ubuntu \
--to=babu.moger@amd.com \
--cc=bp@alien8.de \
--cc=corbet@lwn.net \
--cc=dave.hansen@linux.intel.com \
--cc=eranian@google.com \
--cc=fenghua.yu@intel.com \
--cc=hpa@zytor.com \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=reinette.chatre@intel.com \
--cc=tglx@linutronix.de \
--cc=x86@kernel.org \
/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
all inboxes | Powered by JetHome®