From: Stefano Stabellini <stefano.stabellini@eu.citrix.com> To: Shannon Zhao <zhaoshenglong@huawei.com> Cc: peter.huangpeng@huawei.com, julien.grall@arm.com, stefano.stabellini@citrix.com, shannon.zhao@linaro.org, xen-devel@lists.xen.org Subject: Re: [PATCH v6 12/22] arm/acpi: Prepare EFI memory descriptor for Dom0 Date: Thu, 24 Mar 2016 12:39:55 +0000 [thread overview] Message-ID: <alpine.DEB.2.02.1603241239480.18380@kaball.uk.xensource.com> (raw) In-Reply-To: <1458207668-12012-13-git-send-email-zhaoshenglong@huawei.com> On Thu, 17 Mar 2016, Shannon Zhao wrote: > From: Shannon Zhao <shannon.zhao@linaro.org> > > Create a few EFI memory descriptors to tell Dom0 the RAM region > information, ACPI table regions and EFI tables reserved resions. > > 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> > v6: remove acpi_diabled check > --- > xen/arch/arm/domain_build.c | 2 ++ > xen/arch/arm/efi/efi-dom0.c | 40 ++++++++++++++++++++++++++++++++++++++++ > xen/include/asm-arm/setup.h | 5 +++++ > 3 files changed, 47 insertions(+) > > diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c > index 613551c..008fc76 100644 > --- a/xen/arch/arm/domain_build.c > +++ b/xen/arch/arm/domain_build.c > @@ -1688,6 +1688,8 @@ static int prepare_acpi(struct domain *d, struct kernel_info *kinfo) > acpi_map_other_tables(d); > acpi_create_efi_system_table(d->arch.efi_acpi_gpa, d->arch.efi_acpi_table, > tbl_add); > + acpi_create_efi_mmap_table(d->arch.efi_acpi_gpa, d->arch.efi_acpi_len, > + d->arch.efi_acpi_table, &kinfo->mem, tbl_add); > > return 0; > } > diff --git a/xen/arch/arm/efi/efi-dom0.c b/xen/arch/arm/efi/efi-dom0.c > index b8a062c..3ffde94 100644 > --- a/xen/arch/arm/efi/efi-dom0.c > +++ b/xen/arch/arm/efi/efi-dom0.c > @@ -23,6 +23,7 @@ > > #include "efi.h" > #include "efi-dom0.h" > +#include <xen/pfn.h> > #include <asm/setup.h> > #include <asm/acpi.h> > > @@ -92,3 +93,42 @@ void __init acpi_create_efi_system_table(paddr_t paddr, void *efi_acpi_table, > tbl_add[TBL_EFIT].start = table_addr; > tbl_add[TBL_EFIT].size = table_size; > } > + > +void __init acpi_create_efi_mmap_table(paddr_t paddr, paddr_t size, > + void *efi_acpi_table, > + const struct meminfo *mem, > + struct membank tbl_add[]) > +{ > + EFI_MEMORY_DESCRIPTOR *memory_map; > + unsigned int i, offset; > + u8 *base_ptr; > + > + base_ptr = efi_acpi_table + acpi_get_table_offset(tbl_add, TBL_MMAP); > + memory_map = (EFI_MEMORY_DESCRIPTOR *)(base_ptr); > + > + offset = 0; > + for( i = 0; i < mem->nr_banks; i++, offset++ ) > + { > + memory_map[offset].Type = EfiConventionalMemory; > + memory_map[offset].PhysicalStart = mem->bank[i].start; > + memory_map[offset].NumberOfPages = PFN_UP(mem->bank[i].size); > + memory_map[offset].Attribute = EFI_MEMORY_WB; > + } > + > + for( i = 0; i < acpi_mem.nr_banks; i++, offset++ ) > + { > + memory_map[offset].Type = EfiACPIReclaimMemory; > + memory_map[offset].PhysicalStart = acpi_mem.bank[i].start; > + memory_map[offset].NumberOfPages = PFN_UP(acpi_mem.bank[i].size); > + memory_map[offset].Attribute = EFI_MEMORY_WB; > + } > + > + memory_map[offset].Type = EfiACPIReclaimMemory; > + memory_map[offset].PhysicalStart = paddr; > + memory_map[offset].NumberOfPages = PFN_UP(size); > + memory_map[offset].Attribute = EFI_MEMORY_WB; > + > + tbl_add[TBL_MMAP].start = paddr + acpi_get_table_offset(tbl_add, TBL_MMAP); > + tbl_add[TBL_MMAP].size = sizeof(EFI_MEMORY_DESCRIPTOR) > + * (mem->nr_banks + acpi_mem.nr_banks + 1); > +} > diff --git a/xen/include/asm-arm/setup.h b/xen/include/asm-arm/setup.h > index e423b15..b2899f2 100644 > --- a/xen/include/asm-arm/setup.h > +++ b/xen/include/asm-arm/setup.h > @@ -56,6 +56,11 @@ size_t estimate_efi_size(int mem_nr_banks); > void acpi_create_efi_system_table(paddr_t paddr, void *efi_acpi_table, > struct membank tbl_add[]); > > +void acpi_create_efi_mmap_table(paddr_t paddr, paddr_t size, > + void *efi_acpi_table, > + const struct meminfo *mem, > + struct membank tbl_add[]); > + > int construct_dom0(struct domain *d); > > void discard_initial_modules(void); > -- > 2.0.4 > > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xen.org > http://lists.xen.org/xen-devel > _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
next prev parent reply other threads:[~2016-03-24 12:39 UTC|newest] Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-03-17 9:40 [PATCH v6 00/22] Prepare UEFI and ACPI tables for Dom0 on ARM64 Shannon Zhao 2016-03-17 9:40 ` [PATCH v6 01/22] arm/acpi: Estimate memory required for acpi/efi tables Shannon Zhao 2016-03-18 18:44 ` Julien Grall 2016-03-21 13:01 ` Jan Beulich 2016-03-22 13:01 ` Shannon Zhao 2016-03-22 0:28 ` Julien Grall 2016-03-24 12:36 ` Stefano Stabellini 2016-03-17 9:40 ` [PATCH v6 02/22] arm/acpi: Add a helper function to get the acpi table offset Shannon Zhao 2016-03-21 12:16 ` Julien Grall 2016-03-24 12:32 ` Stefano Stabellini 2016-03-17 9:40 ` [PATCH v6 03/22] arm/acpi: Prepare FADT table for Dom0 Shannon Zhao 2016-03-21 12:25 ` Julien Grall 2016-03-17 9:40 ` [PATCH v6 04/22] arm/gic: Add a new callback for creating MADT " Shannon Zhao 2016-03-21 15:18 ` Julien Grall 2016-03-17 9:40 ` [PATCH v6 05/22] arm/acpi: Prepare " Shannon Zhao 2016-03-21 15:26 ` Julien Grall 2016-03-21 15:51 ` Jan Beulich 2016-03-17 9:40 ` [PATCH v6 06/22] arm/acpi: Prepare STAO " Shannon Zhao 2016-03-21 15:31 ` Julien Grall 2016-03-17 9:40 ` [PATCH v6 07/22] arm/acpi: Prepare XSDT " Shannon Zhao 2016-03-21 15:43 ` Julien Grall 2016-03-17 9:40 ` [PATCH v6 08/22] arm/acpi: Prepare RSDP " Shannon Zhao 2016-03-21 15:47 ` Julien Grall 2016-03-17 9:40 ` [PATCH v6 09/22] arm/p2m: Add helper functions to map memory regions Shannon Zhao 2016-03-21 15:52 ` Julien Grall 2016-03-22 13:05 ` Shannon Zhao 2016-03-22 15:59 ` Julien Grall 2016-03-17 9:40 ` [PATCH v6 10/22] arm/acpi: Map all other tables for Dom0 Shannon Zhao 2016-03-21 15:57 ` Julien Grall 2016-03-17 9:40 ` [PATCH v6 11/22] arm/acpi: Prepare EFI system table " Shannon Zhao 2016-03-21 16:10 ` Julien Grall 2016-03-22 13:06 ` Shannon Zhao 2016-03-22 13:24 ` Jan Beulich 2016-03-17 9:40 ` [PATCH v6 12/22] arm/acpi: Prepare EFI memory descriptor " Shannon Zhao 2016-03-21 16:51 ` Julien Grall 2016-03-22 13:16 ` Shannon Zhao 2016-03-22 16:04 ` Julien Grall 2016-03-24 15:06 ` Shannon Zhao 2016-03-24 15:23 ` Julien Grall 2016-03-24 12:39 ` Stefano Stabellini [this message] 2016-03-17 9:40 ` [PATCH v6 13/22] arm/acpi: Map the new created EFI and ACPI tables to Dom0 Shannon Zhao 2016-03-22 0:42 ` Julien Grall 2016-03-22 13:18 ` Shannon Zhao 2016-03-22 16:16 ` Julien Grall 2016-03-24 14:59 ` Shannon Zhao 2016-03-24 15:35 ` Julien Grall 2016-03-17 9:41 ` [PATCH v6 14/22] arm/acpi: Create min DT stub for Dom0 Shannon Zhao 2016-03-22 1:07 ` Julien Grall 2016-03-22 13:23 ` Shannon Zhao 2016-03-17 9:41 ` [PATCH v6 15/22] arm/acpi: Permit access all Xen unused SPIs " Shannon Zhao 2016-03-22 18:18 ` Julien Grall 2016-03-24 15:01 ` Shannon Zhao 2016-03-24 15:37 ` Julien Grall 2016-03-25 7:13 ` Shannon Zhao 2016-03-17 9:41 ` [PATCH v6 16/22] arm/acpi: Configure SPI interrupt type and route to Dom0 dynamically Shannon Zhao 2016-03-22 19:17 ` Julien Grall 2016-03-24 12:41 ` Stefano Stabellini 2016-03-17 9:41 ` [PATCH v6 17/22] arm/gic: Add a new callback to deny Dom0 access to GIC regions Shannon Zhao 2016-03-22 19:33 ` Julien Grall 2016-03-24 12:45 ` Stefano Stabellini 2016-03-24 15:03 ` Shannon Zhao 2016-03-24 15:39 ` Julien Grall 2016-03-17 9:41 ` [PATCH v6 18/22] arm/acpi: Permit MMIO access of Xen unused devices for Dom0 Shannon Zhao 2016-03-23 11:50 ` Julien Grall 2016-03-17 9:41 ` [PATCH v6 19/22] hvm/params: Add a new delivery type for event-channel in HVM_PARAM_CALLBACK_IRQ Shannon Zhao 2016-03-17 10:42 ` Jan Beulich 2016-03-17 11:04 ` Shannon Zhao 2016-03-17 11:29 ` Jan Beulich 2016-03-17 11:56 ` Shannon Zhao 2016-03-17 12:42 ` Jan Beulich 2016-03-17 9:41 ` [PATCH v6 20/22] xen/acpi: Fix event-channel interrupt when booting with ACPI Shannon Zhao 2016-03-23 12:15 ` Julien Grall 2016-03-17 9:41 ` [PATCH v6 21/22] xen/arm: Add a hypercall for device mmio mapping Shannon Zhao 2016-03-17 9:41 ` [PATCH v6 22/22] xen/arm64: Add ACPI support Shannon Zhao 2016-03-17 10:52 ` Jan Beulich 2016-03-17 11:03 ` Shannon Zhao 2016-03-17 11:31 ` Jan Beulich 2016-03-17 13:10 ` Shannon Zhao 2016-03-17 13:24 ` Jan Beulich
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