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KVM: arm64: nv: Add FEAT_RAS vSError sys regs to table

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Prepare to implement RAS for NV by adding the missing EL2 sysregs for
the vSError context.

Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20250708172532.1699409-8-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
This commit is contained in:
Oliver Upton
2025-07-08 10:25:12 -07:00
parent 77ee70a073
commit 211fced460
3 changed files with 7 additions and 0 deletions
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4
arch/arm64/include/asm/kvm_host.h
View File

@@ -565,6 +565,10 @@ enum vcpu_sysreg {
VNCR(POR_EL1), /* Permission Overlay Register 1 (EL1) */
/* FEAT_RAS registers */
VNCR(VDISR_EL2),
VNCR(VSESR_EL2),
VNCR(HFGRTR_EL2),
VNCR(HFGWTR_EL2),
VNCR(HFGITR_EL2),

1
arch/arm64/include/asm/vncr_mapping.h
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@@ -84,6 +84,7 @@
#define VNCR_ICH_HCR_EL2 0x4C0
#define VNCR_ICH_VMCR_EL2 0x4C8
#define VNCR_VDISR_EL2 0x500
#define VNCR_VSESR_EL2 0x508
#define VNCR_PMBLIMITR_EL1 0x800
#define VNCR_PMBPTR_EL1 0x810
#define VNCR_PMBSR_EL1 0x820

2
arch/arm64/kvm/sys_regs.c
View File

@@ -3344,6 +3344,7 @@ static const struct sys_reg_desc sys_reg_descs[] = {
EL2_REG(AFSR0_EL2, access_rw, reset_val, 0),
EL2_REG(AFSR1_EL2, access_rw, reset_val, 0),
EL2_REG_REDIR(ESR_EL2, reset_val, 0),
EL2_REG_VNCR(VSESR_EL2, reset_unknown, 0),
{ SYS_DESC(SYS_FPEXC32_EL2), undef_access, reset_val, FPEXC32_EL2, 0x700 },
EL2_REG_REDIR(FAR_EL2, reset_val, 0),
@@ -3372,6 +3373,7 @@ static const struct sys_reg_desc sys_reg_descs[] = {
EL2_REG(VBAR_EL2, access_rw, reset_val, 0),
EL2_REG(RVBAR_EL2, access_rw, reset_val, 0),
{ SYS_DESC(SYS_RMR_EL2), undef_access },
EL2_REG_VNCR(VDISR_EL2, reset_unknown, 0),
EL2_REG_VNCR(ICH_AP0R0_EL2, reset_val, 0),
EL2_REG_VNCR(ICH_AP0R1_EL2, reset_val, 0),