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authorBabu Moger <Babu.Moger@amd.com>2018-11-21 20:28:31 +0000
committerBorislav Petkov <bp@suse.de>2018-11-22 20:16:19 +0100
commitaa50453a448ad645ea05788505680aa403934aa8 (patch)
treec226712aac95c72a7a4c6d425dfc250602d2765c /arch/x86/kernel
parentx86/resctrl: Re-arrange the RDT init code (diff)
downloadlinux-dev-aa50453a448ad645ea05788505680aa403934aa8.tar.xz
linux-dev-aa50453a448ad645ea05788505680aa403934aa8.zip
x86/resctrl: Move all the macros to resctrl/internal.h
Move all the macros to resctrl/internal.h and rename the registers with MSR_ prefix for consistency. [bp: align MSR definitions vertically ] Signed-off-by: Babu Moger <babu.moger@amd.com> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Brijesh Singh <brijesh.singh@amd.com> Cc: "Chang S. Bae" <chang.seok.bae@intel.com> Cc: David Miller <davem@davemloft.net> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Dmitry Safonov <dima@arista.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jann Horn <jannh@google.com> Cc: Joerg Roedel <jroedel@suse.de> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Kate Stewart <kstewart@linuxfoundation.org> Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Cc: <linux-doc@vger.kernel.org> Cc: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Philippe Ombredanne <pombredanne@nexb.com> Cc: Pu Wen <puwen@hygon.cn> Cc: <qianyue.zj@alibaba-inc.com> Cc: "Rafael J. Wysocki" <rafael@kernel.org> Cc: Reinette Chatre <reinette.chatre@intel.com> Cc: Rian Hunter <rian@alum.mit.edu> Cc: Sherry Hurwitz <sherry.hurwitz@amd.com> Cc: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Thomas Lendacky <Thomas.Lendacky@amd.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Vitaly Kuznetsov <vkuznets@redhat.com> Cc: <xiaochen.shen@intel.com> Link: https://lkml.kernel.org/r/20181121202811.4492-5-babu.moger@amd.com
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/cpu/resctrl/core.c22
-rw-r--r--arch/x86/kernel/cpu/resctrl/internal.h19
-rw-r--r--arch/x86/kernel/cpu/resctrl/monitor.c3
-rw-r--r--arch/x86/kernel/cpu/resctrl/rdtgroup.c4
4 files changed, 24 insertions, 24 deletions
diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c
index 40380731c588..cf6491eeadc6 100644
--- a/arch/x86/kernel/cpu/resctrl/core.c
+++ b/arch/x86/kernel/cpu/resctrl/core.c
@@ -33,9 +33,6 @@
#include <asm/resctrl_sched.h>
#include "internal.h"
-#define MBA_IS_LINEAR 0x4
-#define MBA_MAX_MBPS U32_MAX
-
/* Mutex to protect rdtgroup access. */
DEFINE_MUTEX(rdtgroup_mutex);
@@ -72,7 +69,7 @@ struct rdt_resource rdt_resources_all[] = {
.rid = RDT_RESOURCE_L3,
.name = "L3",
.domains = domain_init(RDT_RESOURCE_L3),
- .msr_base = IA32_L3_CBM_BASE,
+ .msr_base = MSR_IA32_L3_CBM_BASE,
.msr_update = cat_wrmsr,
.cache_level = 3,
.cache = {
@@ -89,7 +86,7 @@ struct rdt_resource rdt_resources_all[] = {
.rid = RDT_RESOURCE_L3DATA,
.name = "L3DATA",
.domains = domain_init(RDT_RESOURCE_L3DATA),
- .msr_base = IA32_L3_CBM_BASE,
+ .msr_base = MSR_IA32_L3_CBM_BASE,
.msr_update = cat_wrmsr,
.cache_level = 3,
.cache = {
@@ -106,7 +103,7 @@ struct rdt_resource rdt_resources_all[] = {
.rid = RDT_RESOURCE_L3CODE,
.name = "L3CODE",
.domains = domain_init(RDT_RESOURCE_L3CODE),
- .msr_base = IA32_L3_CBM_BASE,
+ .msr_base = MSR_IA32_L3_CBM_BASE,
.msr_update = cat_wrmsr,
.cache_level = 3,
.cache = {
@@ -123,7 +120,7 @@ struct rdt_resource rdt_resources_all[] = {
.rid = RDT_RESOURCE_L2,
.name = "L2",
.domains = domain_init(RDT_RESOURCE_L2),
- .msr_base = IA32_L2_CBM_BASE,
+ .msr_base = MSR_IA32_L2_CBM_BASE,
.msr_update = cat_wrmsr,
.cache_level = 2,
.cache = {
@@ -140,7 +137,7 @@ struct rdt_resource rdt_resources_all[] = {
.rid = RDT_RESOURCE_L2DATA,
.name = "L2DATA",
.domains = domain_init(RDT_RESOURCE_L2DATA),
- .msr_base = IA32_L2_CBM_BASE,
+ .msr_base = MSR_IA32_L2_CBM_BASE,
.msr_update = cat_wrmsr,
.cache_level = 2,
.cache = {
@@ -157,7 +154,7 @@ struct rdt_resource rdt_resources_all[] = {
.rid = RDT_RESOURCE_L2CODE,
.name = "L2CODE",
.domains = domain_init(RDT_RESOURCE_L2CODE),
- .msr_base = IA32_L2_CBM_BASE,
+ .msr_base = MSR_IA32_L2_CBM_BASE,
.msr_update = cat_wrmsr,
.cache_level = 2,
.cache = {
@@ -174,7 +171,7 @@ struct rdt_resource rdt_resources_all[] = {
.rid = RDT_RESOURCE_MBA,
.name = "MB",
.domains = domain_init(RDT_RESOURCE_MBA),
- .msr_base = IA32_MBA_THRTL_BASE,
+ .msr_base = MSR_IA32_MBA_THRTL_BASE,
.msr_update = mba_wrmsr,
.cache_level = 3,
.parse_ctrlval = parse_bw,
@@ -211,9 +208,10 @@ static inline void cache_alloc_hsw_probe(void)
struct rdt_resource *r = &rdt_resources_all[RDT_RESOURCE_L3];
u32 l, h, max_cbm = BIT_MASK(20) - 1;
- if (wrmsr_safe(IA32_L3_CBM_BASE, max_cbm, 0))
+ if (wrmsr_safe(MSR_IA32_L3_CBM_BASE, max_cbm, 0))
return;
- rdmsr(IA32_L3_CBM_BASE, l, h);
+
+ rdmsr(MSR_IA32_L3_CBM_BASE, l, h);
/* If all the bits were set in MSR, return success */
if (l != max_cbm)
diff --git a/arch/x86/kernel/cpu/resctrl/internal.h b/arch/x86/kernel/cpu/resctrl/internal.h
index eeaee05522b5..fb26d347ae6c 100644
--- a/arch/x86/kernel/cpu/resctrl/internal.h
+++ b/arch/x86/kernel/cpu/resctrl/internal.h
@@ -6,15 +6,18 @@
#include <linux/kernfs.h>
#include <linux/jump_label.h>
-#define IA32_L3_QOS_CFG 0xc81
-#define IA32_L2_QOS_CFG 0xc82
-#define IA32_L3_CBM_BASE 0xc90
-#define IA32_L2_CBM_BASE 0xd10
-#define IA32_MBA_THRTL_BASE 0xd50
+#define MSR_IA32_L3_QOS_CFG 0xc81
+#define MSR_IA32_L2_QOS_CFG 0xc82
+#define MSR_IA32_L3_CBM_BASE 0xc90
+#define MSR_IA32_L2_CBM_BASE 0xd10
+#define MSR_IA32_MBA_THRTL_BASE 0xd50
-#define L3_QOS_CDP_ENABLE 0x01ULL
+#define MSR_IA32_QM_CTR 0x0c8e
+#define MSR_IA32_QM_EVTSEL 0x0c8d
-#define L2_QOS_CDP_ENABLE 0x01ULL
+#define L3_QOS_CDP_ENABLE 0x01ULL
+
+#define L2_QOS_CDP_ENABLE 0x01ULL
/*
* Event IDs are used to program IA32_QM_EVTSEL before reading event
@@ -29,6 +32,8 @@
#define MBM_CNTR_WIDTH 24
#define MBM_OVERFLOW_INTERVAL 1000
#define MAX_MBA_BW 100u
+#define MBA_IS_LINEAR 0x4
+#define MBA_MAX_MBPS U32_MAX
#define RMID_VAL_ERROR BIT_ULL(63)
#define RMID_VAL_UNAVAIL BIT_ULL(62)
diff --git a/arch/x86/kernel/cpu/resctrl/monitor.c b/arch/x86/kernel/cpu/resctrl/monitor.c
index ebf408db8191..f33f11f69078 100644
--- a/arch/x86/kernel/cpu/resctrl/monitor.c
+++ b/arch/x86/kernel/cpu/resctrl/monitor.c
@@ -28,9 +28,6 @@
#include <asm/cpu_device_id.h>
#include "internal.h"
-#define MSR_IA32_QM_CTR 0x0c8e
-#define MSR_IA32_QM_EVTSEL 0x0c8d
-
struct rmid_entry {
u32 rmid;
int busy;
diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
index 2bf1f3227afa..cf159095b612 100644
--- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c
+++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
@@ -1722,14 +1722,14 @@ static void l3_qos_cfg_update(void *arg)
{
bool *enable = arg;
- wrmsrl(IA32_L3_QOS_CFG, *enable ? L3_QOS_CDP_ENABLE : 0ULL);
+ wrmsrl(MSR_IA32_L3_QOS_CFG, *enable ? L3_QOS_CDP_ENABLE : 0ULL);
}
static void l2_qos_cfg_update(void *arg)
{
bool *enable = arg;
- wrmsrl(IA32_L2_QOS_CFG, *enable ? L2_QOS_CDP_ENABLE : 0ULL);
+ wrmsrl(MSR_IA32_L2_QOS_CFG, *enable ? L2_QOS_CDP_ENABLE : 0ULL);
}
static inline bool is_mba_linear(void)