Commit 211fced4 authored by Oliver Upton's avatar Oliver Upton
Browse files

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



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

Reviewed-by: default avatarMarc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20250708172532.1699409-8-oliver.upton@linux.dev


Signed-off-by: default avatarOliver Upton <oliver.upton@linux.dev>
parent 77ee70a0

arch/arm64/include/asm/kvm_host.h

+4 −0
Original line number Diff line number Diff line
@@ -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),

arch/arm64/include/asm/vncr_mapping.h

+1 −0
Original line number Diff line number Diff line
@@ -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

arch/arm64/kvm/sys_regs.c

+2 −0
Original line number Diff line number Diff line
@@ -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),