diff options
| author | Tyler Baicar <tbaicar@codeaurora.org> | 2017-06-21 12:17:14 -0600 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2017-06-22 18:22:05 +0100 |
| commit | 621f48e40ee9b0100a802531069166d7d94796e0 (patch) | |
| tree | 3411689c2307e6f82325354c85c8940cf9aec483 /arch/arm64/include/asm | |
| parent | e9279e83ad1f4b5af541a522a81888f828210b40 (diff) | |
| download | op-kernel-dev-621f48e40ee9b0100a802531069166d7d94796e0.zip op-kernel-dev-621f48e40ee9b0100a802531069166d7d94796e0.tar.gz | |
arm/arm64: KVM: add guest SEA support
Currently external aborts are unsupported by the guest abort
handling. Add handling for SEAs so that the host kernel reports
SEAs which occur in the guest kernel.
When an SEA occurs in the guest kernel, the guest exits and is
routed to kvm_handle_guest_abort(). Prior to this patch, a print
message of an unsupported FSC would be printed and nothing else
would happen. With this patch, the code gets routed to the APEI
handling of SEAs in the host kernel to report the SEA information.
Signed-off-by: Tyler Baicar <tbaicar@codeaurora.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Christoffer Dall <cdall@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/include/asm')
| -rw-r--r-- | arch/arm64/include/asm/kvm_arm.h | 10 | ||||
| -rw-r--r-- | arch/arm64/include/asm/system_misc.h | 2 |
2 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h index 6e99978..61d694c 100644 --- a/arch/arm64/include/asm/kvm_arm.h +++ b/arch/arm64/include/asm/kvm_arm.h @@ -204,6 +204,16 @@ #define FSC_FAULT ESR_ELx_FSC_FAULT #define FSC_ACCESS ESR_ELx_FSC_ACCESS #define FSC_PERM ESR_ELx_FSC_PERM +#define FSC_SEA ESR_ELx_FSC_EXTABT +#define FSC_SEA_TTW0 (0x14) +#define FSC_SEA_TTW1 (0x15) +#define FSC_SEA_TTW2 (0x16) +#define FSC_SEA_TTW3 (0x17) +#define FSC_SECC (0x18) +#define FSC_SECC_TTW0 (0x1c) +#define FSC_SECC_TTW1 (0x1d) +#define FSC_SECC_TTW2 (0x1e) +#define FSC_SECC_TTW3 (0x1f) /* Hyp Prefetch Fault Address Register (HPFAR/HDFAR) */ #define HPFAR_MASK (~UL(0xf)) diff --git a/arch/arm64/include/asm/system_misc.h b/arch/arm64/include/asm/system_misc.h index bc81243..95aa442 100644 --- a/arch/arm64/include/asm/system_misc.h +++ b/arch/arm64/include/asm/system_misc.h @@ -56,6 +56,8 @@ extern void (*arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd); __show_ratelimited; \ }) +int handle_guest_sea(phys_addr_t addr, unsigned int esr); + #endif /* __ASSEMBLY__ */ #endif /* __ASM_SYSTEM_MISC_H */ |
