From: Eric Auger <eauger@redhat.com>
To: Marc Zyngier <maz@kernel.org>,
kvmarm@lists.linux.dev, kvm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Cc: Alexandru Elisei <alexandru.elisei@arm.com>,
Andre Przywara <andre.przywara@arm.com>,
Chase Conklin <chase.conklin@arm.com>,
Christoffer Dall <christoffer.dall@arm.com>,
Ganapatrao Kulkarni <gankulkarni@os.amperecomputing.com>,
Darren Hart <darren@os.amperecomputing.com>,
Jintack Lim <jintack@cs.columbia.edu>,
Russell King <rmk+kernel@armlinux.org.uk>,
Miguel Luis <miguel.luis@oracle.com>,
James Morse <james.morse@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Oliver Upton <oliver.upton@linux.dev>,
Zenghui Yu <yuzenghui@huawei.com>
Subject: Re: [PATCH v10 07/59] arm64: Add AT operation encodings
Date: Wed, 14 Jun 2023 17:08:44 +0200 [thread overview]
Message-ID: <c2f52cb0-aa0c-4344-e20d-64564cf597fb@redhat.com> (raw)
In-Reply-To: <20230515173103.1017669-8-maz@kernel.org>
Hi Marc,
On 5/15/23 19:30, Marc Zyngier wrote:
> Add the encodings for the AT operation that are usable from NS.
>
> Signed-off-by: Marc Zyngier <maz@kernel.org>
> ---
> arch/arm64/include/asm/sysreg.h | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
>
> diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
> index 2727e68dd65b..8be78a9b9b3b 100644
> --- a/arch/arm64/include/asm/sysreg.h
> +++ b/arch/arm64/include/asm/sysreg.h
> @@ -568,6 +568,23 @@
>
> #define SYS_SP_EL2 sys_reg(3, 6, 4, 1, 0)
>
> +/* AT instructions */
> +#define AT_Op0 1
> +#define AT_CRn 7
> +
> +#define OP_AT_S1E1R sys_insn(AT_Op0, 0, AT_CRn, 8, 0)
> +#define OP_AT_S1E1W sys_insn(AT_Op0, 0, AT_CRn, 8, 1)
> +#define OP_AT_S1E0R sys_insn(AT_Op0, 0, AT_CRn, 8, 2)
> +#define OP_AT_S1E0W sys_insn(AT_Op0, 0, AT_CRn, 8, 3)
> +#define OP_AT_S1E1RP sys_insn(AT_Op0, 0, AT_CRn, 9, 0)
> +#define OP_AT_S1E1WP sys_insn(AT_Op0, 0, AT_CRn, 9, 1)
> +#define OP_AT_S1E2R sys_insn(AT_Op0, 4, AT_CRn, 8, 0)
> +#define OP_AT_S1E2W sys_insn(AT_Op0, 4, AT_CRn, 8, 1)
> +#define OP_AT_S12E1R sys_insn(AT_Op0, 4, AT_CRn, 8, 4)
> +#define OP_AT_S12E1W sys_insn(AT_Op0, 4, AT_CRn, 8, 5)
> +#define OP_AT_S12E0R sys_insn(AT_Op0, 4, AT_CRn, 8, 6)
> +#define OP_AT_S12E0W sys_insn(AT_Op0, 4, AT_CRn, 8, 7)
> +
> /* TLBI instructions */
> #define OP_TLBI_VMALLE1OS sys_insn(1, 0, 8, 1, 0)
> #define OP_TLBI_VAE1OS sys_insn(1, 0, 8, 1, 1)
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Eric
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next prev parent reply other threads:[~2023-06-14 15:09 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-15 17:30 [PATCH v10 00/59] KVM: arm64: ARMv8.3/8.4 Nested Virtualization support Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 01/59] KVM: arm64: Move VTCR_EL2 into struct s2_mmu Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 02/59] arm64: Add missing Set/Way CMO encodings Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 03/59] arm64: Add missing VA " Marc Zyngier
2023-06-05 17:46 ` Eric Auger
2023-05-15 17:30 ` [PATCH v10 04/59] arm64: Add missing ERXMISCx_EL1 encodings Marc Zyngier
2023-06-05 17:47 ` Eric Auger
2023-05-15 17:30 ` [PATCH v10 05/59] arm64: Add missing DC ZVA/GVA/GZVA encodings Marc Zyngier
2023-06-05 17:47 ` Eric Auger
2023-05-15 17:30 ` [PATCH v10 06/59] arm64: Add TLBI operation encodings Marc Zyngier
2023-06-06 9:33 ` Eric Auger
2023-05-15 17:30 ` [PATCH v10 07/59] arm64: Add AT " Marc Zyngier
2023-06-14 15:08 ` Eric Auger [this message]
2023-05-15 17:30 ` [PATCH v10 08/59] KVM: arm64: Add missing HCR_EL2 trap bits Marc Zyngier
2023-06-14 15:08 ` Eric Auger
2023-05-15 17:30 ` [PATCH v10 09/59] KVM: arm64: nv: Add trap forwarding infrastructure Marc Zyngier
2023-07-13 14:29 ` Eric Auger
2023-07-14 10:53 ` Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 10/59] KVM: arm64: nv: Add trap forwarding for HCR_EL2 Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 11/59] KVM: arm64: nv: Expose FEAT_EVT to nested guests Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 12/59] KVM: arm64: nv: Add trap forwarding for MDCR_EL2 Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 13/59] KVM: arm64: nv: Add trap forwarding for CNTHCTL_EL2 Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 14/59] KVM: arm64: nv: Add non-VHE-EL2->EL1 translation helpers Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 15/59] KVM: arm64: nv: Handle virtual EL2 registers in vcpu_read/write_sys_reg() Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 16/59] KVM: arm64: nv: Handle SPSR_EL2 specially Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 17/59] KVM: arm64: nv: Handle HCR_EL2.E2H specially Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 18/59] KVM: arm64: nv: Save/Restore vEL2 sysregs Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 19/59] KVM: arm64: nv: Trap EL1 VM register accesses in virtual EL2 Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 20/59] KVM: arm64: nv: Trap CPACR_EL1 access " Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 21/59] KVM: arm64: nv: Respect virtual HCR_EL2.TWX setting Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 22/59] KVM: arm64: nv: Respect virtual CPTR_EL2.{TFP,FPEN} settings Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 23/59] KVM: arm64: nv: Respect virtual HCR_EL2.{NV,TSC) settings Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 24/59] KVM: arm64: nv: Configure HCR_EL2 for nested virtualization Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 25/59] KVM: arm64: nv: Support multiple nested Stage-2 mmu structures Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 26/59] KVM: arm64: nv: Implement nested Stage-2 page table walk logic Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 27/59] KVM: arm64: nv: Handle shadow stage 2 page faults Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 28/59] KVM: arm64: nv: Restrict S2 RD/WR permissions to match the guest's Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 29/59] KVM: arm64: nv: Unmap/flush shadow stage 2 page tables Marc Zyngier
2023-09-14 13:10 ` Ganapatrao Kulkarni
2023-09-14 13:37 ` Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 30/59] KVM: arm64: nv: Set a handler for the system instruction traps Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 31/59] KVM: arm64: nv: Trap and emulate AT instructions from virtual EL2 Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 32/59] KVM: arm64: nv: Trap and emulate TLBI " Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 33/59] KVM: arm64: nv: Fold guest's HCR_EL2 configuration into the host's Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 34/59] KVM: arm64: nv: Hide RAS from nested guests Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 35/59] KVM: arm64: nv: Add handling of EL2-specific timer registers Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 36/59] KVM: arm64: nv: Load timer before the GIC Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 37/59] KVM: arm64: nv: Nested GICv3 Support Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 38/59] KVM: arm64: nv: Don't load the GICv4 context on entering a nested guest Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 39/59] KVM: arm64: nv: vgic: Emulate the HW bit in software Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 40/59] KVM: arm64: nv: vgic: Allow userland to set VGIC maintenance IRQ Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 41/59] KVM: arm64: nv: Implement maintenance interrupt forwarding Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 42/59] KVM: arm64: nv: Deal with broken VGIC on maintenance interrupt delivery Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 43/59] KVM: arm64: nv: Allow userspace to request KVM_ARM_VCPU_NESTED_VIRT Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 44/59] KVM: arm64: nv: Add handling of FEAT_TTL TLB invalidation Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 45/59] KVM: arm64: nv: Invalidate TLBs based on shadow S2 TTL-like information Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 46/59] KVM: arm64: nv: Tag shadow S2 entries with nested level Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 47/59] KVM: arm64: nv: Add include containing the VNCR_EL2 offsets Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 48/59] KVM: arm64: nv: Map VNCR-capable registers to a separate page Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 49/59] KVM: arm64: nv: Move nested vgic state into the sysreg file Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 50/59] KVM: arm64: Add FEAT_NV2 cpu feature Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 51/59] KVM: arm64: nv: Sync nested timer state with FEAT_NV2 Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 52/59] KVM: arm64: nv: Fold GICv3 host trapping requirements into guest setup Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 53/59] KVM: arm64: nv: Publish emulated timer interrupt state in the in-memory state Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 54/59] KVM: arm64: nv: Allocate VNCR page when required Marc Zyngier
2023-05-15 17:30 ` [PATCH v10 55/59] KVM: arm64: nv: Enable ARMv8.4-NV support Marc Zyngier
2023-05-15 17:31 ` [PATCH v10 56/59] KVM: arm64: nv: Fast-track 'InHost' exception returns Marc Zyngier
2023-05-15 17:31 ` [PATCH v10 57/59] KVM: arm64: nv: Fast-track EL1 TLBIs for VHE guests Marc Zyngier
2023-05-15 17:31 ` [PATCH v10 58/59] KVM: arm64: nv: Use FEAT_ECV to trap access to EL0 timers Marc Zyngier
2023-05-15 17:31 ` [PATCH v10 59/59] KVM: arm64: nv: Accelerate EL0 timer read accesses when FEAT_ECV is on Marc Zyngier
2023-05-16 16:53 ` [PATCH v10 00/59] KVM: arm64: ARMv8.3/8.4 Nested Virtualization support Eric Auger
2023-05-16 18:47 ` Marc Zyngier
2023-05-16 20:28 ` Marc Zyngier
2023-05-17 8:59 ` Eric Auger
2023-05-17 14:12 ` Marc Zyngier
2023-06-06 9:33 ` Eric Auger
2023-06-06 16:30 ` Marc Zyngier
2023-06-07 16:39 ` Eric Auger
2023-06-06 17:52 ` Miguel Luis
2023-06-07 16:40 ` Eric Auger
2023-06-10 8:25 ` Miguel Luis
2023-06-05 11:28 ` Eric Auger
2023-06-06 7:30 ` Marc Zyngier
2023-06-06 9:29 ` Eric Auger
2023-06-06 16:22 ` Marc Zyngier
2023-06-07 16:30 ` Eric Auger
2023-06-28 6:45 ` Ganapatrao Kulkarni
2023-06-29 7:03 ` Marc Zyngier
2023-07-04 12:31 ` Ganapatrao Kulkarni
2023-07-07 9:46 ` Ganapatrao Kulkarni
2023-07-11 11:56 ` Ganapatrao Kulkarni
2023-07-11 12:30 ` Marc Zyngier
2023-07-10 12:56 ` Miguel Luis
2023-07-18 10:29 ` Miguel Luis
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