From: "Jan Beulich" <JBeulich@suse.com>
To: Shannon Zhao <zhaoshenglong@huawei.com>
Cc: sstabellini@kernel.org, Keir Fraser <keir@xen.org>,
Tim Deegan <tim@xen.org>, Ian Jackson <ian.jackson@eu.citrix.com>,
peter.huangpeng@huawei.com, xen-devel@lists.xen.org,
julien.grall@arm.com, stefano.stabellini@citrix.com,
shannon.zhao@linaro.org
Subject: Re: [PATCH v8 20/21] xen/arm: Add a hypercall for device mmio mapping
Date: Wed, 30 Mar 2016 05:33:41 -0600 [thread overview]
Message-ID: <56FBD5B502000078000E141C@prv-mh.provo.novell.com> (raw)
In-Reply-To: <1459332494-18964-21-git-send-email-zhaoshenglong@huawei.com>
>>> On 30.03.16 at 12:08, <zhaoshenglong@huawei.com> wrote:
> From: Shannon Zhao <shannon.zhao@linaro.org>
>
> It needs to map platform or amba device mmio to Dom0 on ARM. But when
> booting with ACPI, it can't get the mmio region in Xen due to lack of
> AML interpreter to parse DSDT table. Therefore, let Dom0 call a
> hypercall to map mmio region when it adds the devices.
>
> Here we add a new map space like the XEN_DOMCTL_memory_mapping to map
> mmio region for Dom0. Also add a helper to combine the
> xsm_add_to_physmap and XENMAPSPACE_dev_mmio space check together.
>
> Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Acked-by: Jan Beulich <jbeulich@suse.com>
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next prev parent reply other threads:[~2016-03-30 11:33 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-30 10:07 [PATCH v8 00/21] Prepare UEFI and ACPI tables for Dom0 on ARM64 Shannon Zhao
2016-03-30 10:07 ` [PATCH v8 01/21] arm/acpi: Estimate memory required for acpi/efi tables Shannon Zhao
2016-03-30 10:07 ` [PATCH v8 02/21] arm/acpi: Add a helper function to get the acpi table offset Shannon Zhao
2016-03-30 10:07 ` [PATCH v8 03/21] arm/acpi: Prepare FADT table for Dom0 Shannon Zhao
2016-03-30 10:07 ` [PATCH v8 04/21] arm/gic: Add a new callback for creating MADT " Shannon Zhao
2016-03-30 10:07 ` [PATCH v8 05/21] arm/acpi: Prepare " Shannon Zhao
2016-03-30 10:07 ` [PATCH v8 06/21] arm/acpi: Prepare STAO " Shannon Zhao
2016-03-30 10:08 ` [PATCH v8 07/21] arm/acpi: Prepare XSDT " Shannon Zhao
2016-03-30 10:08 ` [PATCH v8 08/21] arm/acpi: Prepare RSDP " Shannon Zhao
2016-03-30 10:08 ` [PATCH v8 09/21] arm/p2m: Add helper functions to map memory regions Shannon Zhao
2016-03-30 10:08 ` [PATCH v8 10/21] arm/acpi: Map all other tables for Dom0 Shannon Zhao
2016-03-30 10:08 ` [PATCH v8 11/21] arm/acpi: Prepare EFI system table " Shannon Zhao
2016-03-30 10:08 ` [PATCH v8 12/21] arm/acpi: Prepare EFI memory descriptor " Shannon Zhao
2016-03-30 10:08 ` [PATCH v8 13/21] arm/acpi: Map the new created EFI and ACPI tables to Dom0 Shannon Zhao
2016-03-30 10:08 ` [PATCH v8 14/21] arm/acpi: Create min DT stub for Dom0 Shannon Zhao
2016-03-30 10:08 ` [PATCH v8 15/21] arm/acpi: Permit access all Xen unused SPIs " Shannon Zhao
2016-03-30 10:08 ` [PATCH v8 16/21] arm/acpi: Configure SPI interrupt type and route to Dom0 dynamically Shannon Zhao
2016-03-30 10:08 ` [PATCH v8 17/21] arm/gic: Add a new callback to deny Dom0 access to GIC regions Shannon Zhao
2016-03-30 10:08 ` [PATCH v8 18/21] arm/acpi: Permit MMIO access of Xen unused devices for Dom0 Shannon Zhao
2016-03-30 10:08 ` [PATCH v8 19/21] xen/acpi: Fix event-channel interrupt when booting with ACPI Shannon Zhao
2016-03-30 10:08 ` [PATCH v8 20/21] xen/arm: Add a hypercall for device mmio mapping Shannon Zhao
2016-03-30 11:33 ` Jan Beulich [this message]
2016-03-30 16:11 ` Konrad Rzeszutek Wilk
2016-03-30 16:47 ` Julien Grall
2016-03-31 8:39 ` Shannon Zhao
2016-03-30 10:08 ` [PATCH v8 21/21] xen/arm64: Add ACPI support Shannon Zhao
2016-03-30 11:58 ` [PATCH v8 00/21] Prepare UEFI and ACPI tables for Dom0 on ARM64 Julien Grall
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