diff mbox

[v12,03/21] KVM: ARM64: Add offset defines for PMU registers

Message ID 1456133877-9584-4-git-send-email-zhaoshenglong@huawei.com
State New
Headers show

Commit Message

Shannon Zhao Feb. 22, 2016, 9:37 a.m. UTC
From: Shannon Zhao <shannon.zhao@linaro.org>


We are about to trap and emulate accesses to each PMU register
individually. This adds the context offsets for the AArch64 PMU
registers.

Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>

Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>

Reviewed-by: Andrew Jones <drjones@redhat.com>

---
 arch/arm64/include/asm/kvm_host.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

-- 
2.0.4



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Comments

Shannon Zhao Feb. 23, 2016, 9:29 a.m. UTC | #1
On 2016/2/23 9:46, Shannon Zhao wrote:
> 

> On 2016/2/23 1:51, Marc Zyngier wrote:

>> > On 22/02/16 09:37, Shannon Zhao wrote:

>>> >> From: Shannon Zhao <shannon.zhao@linaro.org>

>>> >>

>>> >> We are about to trap and emulate accesses to each PMU register

>>> >> individually. This adds the context offsets for the AArch64 PMU

>>> >> registers.

>>> >>

>>> >> Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>

>>> >> Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>

>>> >> Reviewed-by: Andrew Jones <drjones@redhat.com>

>>> >> ---

>>> >>  arch/arm64/include/asm/kvm_host.h | 15 +++++++++++++++

>>> >>  1 file changed, 15 insertions(+)

>>> >>

>>> >> diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h

>>> >> index 6f0241f..6bab7fb 100644

>>> >> --- a/arch/arm64/include/asm/kvm_host.h

>>> >> +++ b/arch/arm64/include/asm/kvm_host.h

>>> >> @@ -115,6 +115,21 @@ enum vcpu_sysreg {

>>> >>  	MDSCR_EL1,	/* Monitor Debug System Control Register */

>>> >>  	MDCCINT_EL1,	/* Monitor Debug Comms Channel Interrupt Enable Reg */

>>> >>  

>>> >> +	/* Performance Monitors Registers */

>>> >> +	PMCR_EL0,	/* Control Register */

>>> >> +	PMOVSSET_EL0,	/* Overflow Flag Status Set Register */

>>> >> +	PMSELR_EL0,	/* Event Counter Selection Register */

>>> >> +	PMEVCNTR0_EL0,	/* Event Counter Register (0-30) */

>>> >> +	PMEVCNTR30_EL0 = PMEVCNTR0_EL0 + 30,

>>> >> +	PMCCNTR_EL0,	/* Cycle Counter Register */

>>> >> +	PMEVTYPER0_EL0,	/* Event Type Register (0-30) */

>>> >> +	PMEVTYPER30_EL0 = PMEVTYPER0_EL0 + 30,

>>> >> +	PMCCFILTR_EL0,	/* Cycle Count Filter Register */

>>> >> +	PMCNTENSET_EL0,	/* Count Enable Set Register */

>>> >> +	PMINTENSET_EL1,	/* Interrupt Enable Set Register */

>>> >> +	PMUSERENR_EL0,	/* User Enable Register */

>>> >> +	PMSWINC_EL0,	/* Software Increment Register */

>>> >> +

>> > 

>> > I've just noticed a rather fundamental issue with this: this makes it

>> > impossible to bisect the whole series.

>> > 

> Ah, sorry. Will fix this.

> 

I've fixed this problem and pushed this series to below place. You can
fetch it from there.

https://git.linaro.org/people/shannon.zhao/linux-mainline.git/shortlog/refs/heads/KVM_ARM64_PMU_v13

Thanks,
-- 
Shannon

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diff mbox

Patch

diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index 6f0241f..6bab7fb 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -115,6 +115,21 @@  enum vcpu_sysreg {
 	MDSCR_EL1,	/* Monitor Debug System Control Register */
 	MDCCINT_EL1,	/* Monitor Debug Comms Channel Interrupt Enable Reg */
 
+	/* Performance Monitors Registers */
+	PMCR_EL0,	/* Control Register */
+	PMOVSSET_EL0,	/* Overflow Flag Status Set Register */
+	PMSELR_EL0,	/* Event Counter Selection Register */
+	PMEVCNTR0_EL0,	/* Event Counter Register (0-30) */
+	PMEVCNTR30_EL0 = PMEVCNTR0_EL0 + 30,
+	PMCCNTR_EL0,	/* Cycle Counter Register */
+	PMEVTYPER0_EL0,	/* Event Type Register (0-30) */
+	PMEVTYPER30_EL0 = PMEVTYPER0_EL0 + 30,
+	PMCCFILTR_EL0,	/* Cycle Count Filter Register */
+	PMCNTENSET_EL0,	/* Count Enable Set Register */
+	PMINTENSET_EL1,	/* Interrupt Enable Set Register */
+	PMUSERENR_EL0,	/* User Enable Register */
+	PMSWINC_EL0,	/* Software Increment Register */
+
 	/* 32bit specific registers. Keep them at the end of the range */
 	DACR32_EL2,	/* Domain Access Control Register */
 	IFSR32_EL2,	/* Instruction Fault Status Register */