From: Shannon Zhao <shannon.zhao@linaro.org>
To: xen-devel@lists.xen.org
Cc: peter.huangpeng@huawei.com, julien.grall@arm.com,
stefano.stabellini@citrix.com, shannon.zhao@linaro.org,
zhaoshenglong@huawei.com, Parth Dixit <parth.dixit@linaro.org>
Subject: [PATCH v7 09/22] arm/p2m: Add helper functions to map memory regions
Date: Fri, 25 Mar 2016 21:48:42 +0800 [thread overview]
Message-ID: <1458913735-2678-10-git-send-email-shannon.zhao@linaro.org> (raw)
In-Reply-To: <1458913735-2678-1-git-send-email-shannon.zhao@linaro.org>
From: Parth Dixit <parth.dixit@linaro.org>
Create a helper function for mapping with cached attributes and
read-write range.
Signed-off-by: Parth Dixit <parth.dixit@linaro.org>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
---
v7: rename to map_regions_rw_cache
---
xen/arch/arm/p2m.c | 26 ++++++++++++++++++++++++++
xen/include/asm-arm/p2m.h | 10 ++++++++++
2 files changed, 36 insertions(+)
diff --git a/xen/arch/arm/p2m.c b/xen/arch/arm/p2m.c
index a2a9c4b..7e5f5d1 100644
--- a/xen/arch/arm/p2m.c
+++ b/xen/arch/arm/p2m.c
@@ -1218,6 +1218,32 @@ int p2m_populate_ram(struct domain *d,
d->arch.p2m.default_access);
}
+int map_regions_rw_cache(struct domain *d,
+ unsigned long start_gfn,
+ unsigned long nr,
+ unsigned long mfn)
+{
+ return apply_p2m_changes(d, INSERT,
+ pfn_to_paddr(start_gfn),
+ pfn_to_paddr(start_gfn + nr),
+ pfn_to_paddr(mfn),
+ MATTR_MEM, 0, p2m_mmio_direct,
+ p2m_access_rw);
+}
+
+int unmap_regions_rw_cache(struct domain *d,
+ unsigned long start_gfn,
+ unsigned long nr,
+ unsigned long mfn)
+{
+ return apply_p2m_changes(d, REMOVE,
+ pfn_to_paddr(start_gfn),
+ pfn_to_paddr(start_gfn + nr),
+ pfn_to_paddr(mfn),
+ MATTR_MEM, 0, p2m_invalid,
+ p2m_access_rw);
+}
+
int map_mmio_regions(struct domain *d,
unsigned long start_gfn,
unsigned long nr,
diff --git a/xen/include/asm-arm/p2m.h b/xen/include/asm-arm/p2m.h
index 433952a..55626b4 100644
--- a/xen/include/asm-arm/p2m.h
+++ b/xen/include/asm-arm/p2m.h
@@ -144,6 +144,16 @@ int p2m_cache_flush(struct domain *d, xen_pfn_t start_mfn, xen_pfn_t end_mfn);
/* Setup p2m RAM mapping for domain d from start-end. */
int p2m_populate_ram(struct domain *d, paddr_t start, paddr_t end);
+int map_regions_rw_cache(struct domain *d,
+ unsigned long start_gfn,
+ unsigned long nr_mfns,
+ unsigned long mfn);
+
+int unmap_regions_rw_cache(struct domain *d,
+ unsigned long start_gfn,
+ unsigned long nr_mfns,
+ unsigned long mfn);
+
int guest_physmap_add_entry(struct domain *d,
unsigned long gfn,
unsigned long mfn,
--
2.1.4
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next prev parent reply other threads:[~2016-03-25 13:48 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-25 13:48 [PATCH v7 00/22] Prepare UEFI and ACPI tables for Dom0 on ARM64 Shannon Zhao
2016-03-25 13:48 ` [PATCH v7 01/22] arm/acpi: Estimate memory required for acpi/efi tables Shannon Zhao
2016-03-26 13:02 ` Stefano Stabellini
2016-03-29 10:24 ` Julien Grall
2016-03-25 13:48 ` [PATCH v7 02/22] arm/acpi: Add a helper function to get the acpi table offset Shannon Zhao
2016-03-29 10:48 ` Julien Grall
2016-03-25 13:48 ` [PATCH v7 03/22] arm/acpi: Prepare FADT table for Dom0 Shannon Zhao
2016-03-25 13:48 ` [PATCH v7 04/22] arm/gic: Add a new callback for creating MADT " Shannon Zhao
2016-03-29 12:47 ` Julien Grall
2016-03-25 13:48 ` [PATCH v7 05/22] arm/acpi: Prepare " Shannon Zhao
2016-03-25 13:48 ` [PATCH v7 06/22] arm/acpi: Prepare STAO " Shannon Zhao
2016-03-25 13:48 ` [PATCH v7 07/22] arm/acpi: Prepare XSDT " Shannon Zhao
2016-03-25 13:48 ` [PATCH v7 08/22] arm/acpi: Prepare RSDP " Shannon Zhao
2016-03-25 13:48 ` Shannon Zhao [this message]
2016-03-29 12:49 ` [PATCH v7 09/22] arm/p2m: Add helper functions to map memory regions Julien Grall
2016-03-25 13:48 ` [PATCH v7 10/22] arm/acpi: Map all other tables for Dom0 Shannon Zhao
2016-03-29 13:02 ` Julien Grall
2016-03-25 13:48 ` [PATCH v7 11/22] arm/acpi: Prepare EFI system table " Shannon Zhao
2016-03-29 14:54 ` Julien Grall
2016-03-25 13:48 ` [PATCH v7 12/22] arm/acpi: Prepare EFI memory descriptor " Shannon Zhao
2016-03-29 14:54 ` Julien Grall
2016-03-25 13:48 ` [PATCH v7 13/22] arm/acpi: Map the new created EFI and ACPI tables to Dom0 Shannon Zhao
2016-03-29 15:01 ` Julien Grall
2016-03-25 13:48 ` [PATCH v7 14/22] arm/acpi: Create min DT stub for Dom0 Shannon Zhao
2016-03-29 16:10 ` Julien Grall
2016-03-25 13:48 ` [PATCH v7 15/22] arm/acpi: Permit access all Xen unused SPIs " Shannon Zhao
2016-03-29 16:10 ` Julien Grall
2016-03-25 13:48 ` [PATCH v7 16/22] arm/acpi: Configure SPI interrupt type and route to Dom0 dynamically Shannon Zhao
2016-03-29 16:12 ` Julien Grall
2016-03-25 13:48 ` [PATCH v7 17/22] arm/gic: Add a new callback to deny Dom0 access to GIC regions Shannon Zhao
2016-03-26 13:04 ` Stefano Stabellini
2016-03-29 16:13 ` Julien Grall
2016-03-25 13:48 ` [PATCH v7 18/22] arm/acpi: Permit MMIO access of Xen unused devices for Dom0 Shannon Zhao
2016-03-25 13:48 ` [PATCH v7 19/22] hvm/params: Add a new delivery type for event-channel in HVM_PARAM_CALLBACK_IRQ Shannon Zhao
2016-03-29 16:16 ` Julien Grall
2016-03-25 13:48 ` [PATCH v7 20/22] xen/acpi: Fix event-channel interrupt when booting with ACPI Shannon Zhao
2016-03-29 16:16 ` Julien Grall
2016-03-25 13:48 ` [PATCH v7 21/22] xen/arm: Add a hypercall for device mmio mapping Shannon Zhao
2016-03-30 16:05 ` Konrad Rzeszutek Wilk
2016-03-30 16:07 ` Konrad Rzeszutek Wilk
2016-03-25 13:48 ` [PATCH v7 22/22] xen/arm64: Add ACPI support Shannon Zhao
2016-03-29 16:20 ` Julien Grall
2016-03-29 7:12 ` [PATCH v7 00/22] Prepare UEFI and ACPI tables for Dom0 on ARM64 Jan Beulich
2016-03-29 16:22 ` Julien Grall
2016-03-30 7:55 ` Jan Beulich
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