Re: [PATCH v5 06/19] arm64: realm: Query IPA size from the RMM

[PATCH v5 00/19] arm64: Support for running as a guest in Arm CCA · Steven Price <steven.price@arm.com> · 2024-08-19
[PATCH v5 01/19] arm64: mm: Add top-level dispatcher for internal mem_encrypt API · Steven Price <steven.price@arm.com> · 2024-08-19
Re: [PATCH v5 01/19] arm64: mm: Add top-level dispatcher for internal mem_encrypt API · Catalin Marinas <catalin.marinas@arm.com> · 2024-08-26
[PATCH v5 02/19] arm64: mm: Add confidential computing hook to ioremap_prot() · Steven Price <steven.price@arm.com> · 2024-08-19
Re: [PATCH v5 02/19] arm64: mm: Add confidential computing hook to ioremap_prot() · Catalin Marinas <catalin.marinas@arm.com> · 2024-08-26
[PATCH v5 03/19] arm64: rsi: Add RSI definitions · Steven Price <steven.price@arm.com> · 2024-08-19
Re: [PATCH v5 03/19] arm64: rsi: Add RSI definitions · Catalin Marinas <catalin.marinas@arm.com> · 2024-08-26
Re: [PATCH v5 03/19] arm64: rsi: Add RSI definitions · Gavin Shan <hidden> · 2024-09-09
Re: [PATCH v5 03/19] arm64: rsi: Add RSI definitions · Steven Price <steven.price@arm.com> · 2024-09-09
[PATCH v5 04/19] firmware/psci: Add psci_early_test_conduit() · Steven Price <steven.price@arm.com> · 2024-08-19
Re: [PATCH v5 04/19] firmware/psci: Add psci_early_test_conduit() · Will Deacon <will@kernel.org> · 2024-08-23
Re: [PATCH v5 04/19] firmware/psci: Add psci_early_test_conduit() · Steven Price <steven.price@arm.com> · 2024-08-30
Re: [PATCH v5 04/19] firmware/psci: Add psci_early_test_conduit() · Catalin Marinas <catalin.marinas@arm.com> · 2024-08-26
Re: [PATCH v5 04/19] firmware/psci: Add psci_early_test_conduit() · Suzuki K Poulose <suzuki.poulose@arm.com> · 2024-09-13
Re: [PATCH v5 04/19] firmware/psci: Add psci_early_test_conduit() · Gavin Shan <hidden> · 2024-09-09
[PATCH v5 05/19] arm64: Detect if in a realm and set RIPAS RAM · Steven Price <steven.price@arm.com> · 2024-08-19
Re: [PATCH v5 05/19] arm64: Detect if in a realm and set RIPAS RAM · Suzuki K Poulose <suzuki.poulose@arm.com> · 2024-08-19
Re: [PATCH v5 05/19] arm64: Detect if in a realm and set RIPAS RAM · Steven Price <steven.price@arm.com> · 2024-08-19
Re: [PATCH v5 05/19] arm64: Detect if in a realm and set RIPAS RAM · Shanker Donthineni <hidden> · 2024-09-09
Re: [PATCH v5 05/19] arm64: Detect if in a realm and set RIPAS RAM · Catalin Marinas <catalin.marinas@arm.com> · 2024-08-26
Re: [PATCH v5 05/19] arm64: Detect if in a realm and set RIPAS RAM · Steven Price <steven.price@arm.com> · 2024-08-30
Re: [PATCH v5 05/19] arm64: Detect if in a realm and set RIPAS RAM · Gavin Shan <hidden> · 2024-09-10
Re: [PATCH v5 05/19] arm64: Detect if in a realm and set RIPAS RAM · Shanker Donthineni <hidden> · 2024-09-06
[PATCH v5 06/19] arm64: realm: Query IPA size from the RMM · Steven Price <steven.price@arm.com> · 2024-08-19
Re: [PATCH v5 06/19] arm64: realm: Query IPA size from the RMM · Catalin Marinas <catalin.marinas@arm.com> · 2024-08-26
Re: [PATCH v5 06/19] arm64: realm: Query IPA size from the RMM · Gavin Shan <hidden> · 2024-09-10
[PATCH v5 07/19] arm64: rsi: Add support for checking whether an MMIO is protected · Steven Price <steven.price@arm.com> · 2024-08-19
Re: [PATCH v5 07/19] arm64: rsi: Add support for checking whether an MMIO is protected · Catalin Marinas <catalin.marinas@arm.com> · 2024-08-26
Re: [PATCH v5 07/19] arm64: rsi: Add support for checking whether an MMIO is protected · Gavin Shan <hidden> · 2024-09-06
Re: [PATCH v5 07/19] arm64: rsi: Add support for checking whether an MMIO is protected · Gavin Shan <hidden> · 2024-09-06
Re: [PATCH v5 07/19] arm64: rsi: Add support for checking whether an MMIO is protected · Steven Price <steven.price@arm.com> · 2024-09-06
Re: [PATCH v5 07/19] arm64: rsi: Add support for checking whether an MMIO is protected · Gavin Shan <hidden> · 2024-09-08
Re: [PATCH v5 07/19] arm64: rsi: Add support for checking whether an MMIO is protected · Steven Price <steven.price@arm.com> · 2024-09-09
Re: [PATCH v5 07/19] arm64: rsi: Add support for checking whether an MMIO is protected · Gavin Shan <hidden> · 2024-09-10
[PATCH v5 08/19] fixmap: Allow architecture overriding set_fixmap_io · Steven Price <steven.price@arm.com> · 2024-08-19
[PATCH v5 09/19] fixmap: Pass down the full phys address for set_fixmap_io · Steven Price <steven.price@arm.com> · 2024-08-19
Re: [PATCH v5 09/19] fixmap: Pass down the full phys address for set_fixmap_io · Catalin Marinas <catalin.marinas@arm.com> · 2024-08-26
[PATCH v5 10/19] arm64: Override set_fixmap_io · Steven Price <steven.price@arm.com> · 2024-08-19
Re: [PATCH v5 10/19] arm64: Override set_fixmap_io · Suzuki K Poulose <suzuki.poulose@arm.com> · 2024-08-19
Re: [PATCH v5 10/19] arm64: Override set_fixmap_io · Steven Price <steven.price@arm.com> · 2024-08-30
[PATCH v5 11/19] arm64: rsi: Map unprotected MMIO as decrypted · Steven Price <steven.price@arm.com> · 2024-08-19
Re: [PATCH v5 11/19] arm64: rsi: Map unprotected MMIO as decrypted · Suzuki K Poulose <suzuki.poulose@arm.com> · 2024-08-19
Re: [PATCH v5 11/19] arm64: rsi: Map unprotected MMIO as decrypted · Steven Price <steven.price@arm.com> · 2024-08-30
[PATCH v5 12/19] efi: arm64: Map Device with Prot Shared · Steven Price <steven.price@arm.com> · 2024-08-19
Re: [PATCH v5 12/19] efi: arm64: Map Device with Prot Shared · Catalin Marinas <catalin.marinas@arm.com> · 2024-08-26
Re: [PATCH v5 12/19] efi: arm64: Map Device with Prot Shared · Matias Ezequiel Vara Larsen <mvaralar@redhat.com> · 2024-09-09
Re: [PATCH v5 12/19] efi: arm64: Map Device with Prot Shared · Gavin Shan <hidden> · 2024-09-10
Re: [PATCH v5 12/19] efi: arm64: Map Device with Prot Shared · Suzuki K Poulose <suzuki.poulose@arm.com> · 2024-09-10
[PATCH v5 13/19] arm64: Make the PHYS_MASK_SHIFT dynamic · Steven Price <steven.price@arm.com> · 2024-08-19
Re: [PATCH v5 13/19] arm64: Make the PHYS_MASK_SHIFT dynamic · Catalin Marinas <catalin.marinas@arm.com> · 2024-08-26
[PATCH v5 14/19] arm64: Enforce bounce buffers for realm DMA · Steven Price <steven.price@arm.com> · 2024-08-19
Re: [PATCH v5 14/19] arm64: Enforce bounce buffers for realm DMA · Catalin Marinas <catalin.marinas@arm.com> · 2024-08-26
[PATCH v5 15/19] arm64: mm: Avoid TLBI when marking pages as valid · Steven Price <steven.price@arm.com> · 2024-08-19
Re: [PATCH v5 15/19] arm64: mm: Avoid TLBI when marking pages as valid · Catalin Marinas <catalin.marinas@arm.com> · 2024-08-26
[PATCH v5 16/19] arm64: Enable memory encrypt for Realms · Steven Price <steven.price@arm.com> · 2024-08-19
Re: [PATCH v5 16/19] arm64: Enable memory encrypt for Realms · Catalin Marinas <catalin.marinas@arm.com> · 2024-08-26
[PATCH v5 17/19] irqchip/gic-v3-its: Share ITS tables with a non-trusted hypervisor · Steven Price <steven.price@arm.com> · 2024-08-19
Re: [PATCH v5 17/19] irqchip/gic-v3-its: Share ITS tables with a non-trusted hypervisor · Marc Zyngier <maz@kernel.org> · 2024-08-19
Re: [PATCH v5 17/19] irqchip/gic-v3-its: Share ITS tables with a non-trusted hypervisor · Suzuki K Poulose <suzuki.poulose@arm.com> · 2024-08-19
Re: [PATCH v5 17/19] irqchip/gic-v3-its: Share ITS tables with a non-trusted hypervisor · Marc Zyngier <maz@kernel.org> · 2024-08-19
Re: [PATCH v5 17/19] irqchip/gic-v3-its: Share ITS tables with a non-trusted hypervisor · Suzuki K Poulose <suzuki.poulose@arm.com> · 2024-08-19
Re: [PATCH v5 17/19] irqchip/gic-v3-its: Share ITS tables with a non-trusted hypervisor · Shanker Donthineni <hidden> · 2024-10-18
[PATCH v5 18/19] irqchip/gic-v3-its: Rely on genpool alignment · Steven Price <steven.price@arm.com> · 2024-08-19
[PATCH v5 19/19] virt: arm-cca-guest: TSM_REPORT support for realms · Steven Price <steven.price@arm.com> · 2024-08-19
Re: [PATCH v5 19/19] virt: arm-cca-guest: TSM_REPORT support for realms · Aneesh Kumar K.V <aneesh.kumar@kernel.org> · 2024-09-02
Re: [PATCH v5 19/19] virt: arm-cca-guest: TSM_REPORT support for realms · Steven Price <steven.price@arm.com> · 2024-09-27
Re: [PATCH v5 19/19] virt: arm-cca-guest: TSM_REPORT support for realms · Gavin Shan <hidden> · 2024-09-09

From: Catalin Marinas <catalin.marinas@arm.com>
Date: 2024-08-26 10:04:06
Also in: kvm, kvmarm, linux-arm-kernel, lkml

On Mon, Aug 19, 2024 at 02:19:11PM +0100, Steven Price wrote:

The top bit of the configured IPA size is used as an attribute to
control whether the address is protected or shared. Query the
configuration from the RMM to assertain which bit this is.

Co-developed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Steven Price <steven.price@arm.com>

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>

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