summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorJames Clark <james.clark@linaro.org>2025-09-01 13:40:36 +0100
committerMarc Zyngier <maz@kernel.org>2025-09-19 14:30:49 +0100
commit557c82a4480719f64cf6530b5090001e9d908904 (patch)
tree7da42660c90c7addb144c039f7f0d70535fc7111
parent5f9466b50c1b4253d91abf81780b90a722133162 (diff)
KVM: arm64: Add trap configs for PMSDSFR_EL1
SPE data source filtering (SPE_FEAT_FDS) adds a new register PMSDSFR_EL1, add the trap configs for it. PMSNEVFR_EL1 was also missing its VNCR offset so add it along with PMSDSFR_EL1. Tested-by: Leo Yan <leo.yan@arm.com> Signed-off-by: James Clark <james.clark@linaro.org> Reviewed-by: Joey Gouly <joey.gouly@arm.com> Signed-off-by: Marc Zyngier <maz@kernel.org>
-rw-r--r--arch/arm64/include/asm/vncr_mapping.h2
-rw-r--r--arch/arm64/kvm/emulate-nested.c1
-rw-r--r--arch/arm64/kvm/sys_regs.c1
3 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/vncr_mapping.h b/arch/arm64/include/asm/vncr_mapping.h
index f6ec500ad3fa..c2485a862e69 100644
--- a/arch/arm64/include/asm/vncr_mapping.h
+++ b/arch/arm64/include/asm/vncr_mapping.h
@@ -94,6 +94,8 @@
#define VNCR_PMSICR_EL1 0x838
#define VNCR_PMSIRR_EL1 0x840
#define VNCR_PMSLATFR_EL1 0x848
+#define VNCR_PMSNEVFR_EL1 0x850
+#define VNCR_PMSDSFR_EL1 0x858
#define VNCR_TRFCR_EL1 0x880
#define VNCR_MPAM1_EL1 0x900
#define VNCR_MPAMHCR_EL2 0x930
diff --git a/arch/arm64/kvm/emulate-nested.c b/arch/arm64/kvm/emulate-nested.c
index 90cb4b7ae0ff..aeaba7813275 100644
--- a/arch/arm64/kvm/emulate-nested.c
+++ b/arch/arm64/kvm/emulate-nested.c
@@ -1185,6 +1185,7 @@ static const struct encoding_to_trap_config encoding_to_cgt[] __initconst = {
SR_TRAP(SYS_PMSIRR_EL1, CGT_MDCR_TPMS),
SR_TRAP(SYS_PMSLATFR_EL1, CGT_MDCR_TPMS),
SR_TRAP(SYS_PMSNEVFR_EL1, CGT_MDCR_TPMS),
+ SR_TRAP(SYS_PMSDSFR_EL1, CGT_MDCR_TPMS),
SR_TRAP(SYS_TRFCR_EL1, CGT_MDCR_TTRF),
SR_TRAP(SYS_TRBBASER_EL1, CGT_MDCR_E2TB),
SR_TRAP(SYS_TRBLIMITR_EL1, CGT_MDCR_E2TB),
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 82ffb3b3b3cf..d1a55cf589b7 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -3083,6 +3083,7 @@ static const struct sys_reg_desc sys_reg_descs[] = {
{ SYS_DESC(SYS_PMBLIMITR_EL1), undef_access },
{ SYS_DESC(SYS_PMBPTR_EL1), undef_access },
{ SYS_DESC(SYS_PMBSR_EL1), undef_access },
+ { SYS_DESC(SYS_PMSDSFR_EL1), undef_access },
/* PMBIDR_EL1 is not trapped */
{ PMU_SYS_REG(PMINTENSET_EL1),