From: Shannon Zhao <zhaoshenglong@huawei.com> To: xen-devel@lists.xen.org Cc: julien.grall@arm.com, zhaoshenglong@huawei.com, stefano.stabellini@citrix.com, shannon.zhao@linaro.org, peter.huangpeng@huawei.com Subject: [PATCH v6 03/22] arm/acpi: Prepare FADT table for Dom0 Date: Thu, 17 Mar 2016 17:40:49 +0800 [thread overview] Message-ID: <1458207668-12012-4-git-send-email-zhaoshenglong@huawei.com> (raw) In-Reply-To: <1458207668-12012-1-git-send-email-zhaoshenglong@huawei.com> From: Shannon Zhao <shannon.zhao@linaro.org> Copy and modify FADT table before passing it to Dom0. Set PSCI_COMPLIANT and PSCI_USE_HVC. Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org> Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> --- xen/arch/arm/domain_build.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c index 4e20499..d9b7213 100644 --- a/xen/arch/arm/domain_build.c +++ b/xen/arch/arm/domain_build.c @@ -1357,6 +1357,44 @@ static int prepare_dtb(struct domain *d, struct kernel_info *kinfo) } #ifdef CONFIG_ACPI + +static int acpi_create_fadt(struct domain *d, struct membank tbl_add[]) +{ + struct acpi_table_header *table = NULL; + struct acpi_table_fadt *fadt = NULL; + u64 table_size; + acpi_status status; + u8 *base_ptr; + u8 checksum; + + status = acpi_get_table(ACPI_SIG_FADT, 0, &table); + + if ( ACPI_FAILURE(status) ) + { + const char *msg = acpi_format_exception(status); + + printk("Failed to get FADT table, %s\n", msg); + return -EINVAL; + } + + table_size = table->length; + base_ptr = d->arch.efi_acpi_table + + acpi_get_table_offset(tbl_add, TBL_FADT); + ACPI_MEMCPY(base_ptr, table, table_size); + fadt = (struct acpi_table_fadt *)base_ptr; + + /* Set PSCI_COMPLIANT and PSCI_USE_HVC */ + fadt->arm_boot_flags |= (ACPI_FADT_PSCI_COMPLIANT | ACPI_FADT_PSCI_USE_HVC); + checksum = acpi_tb_checksum(ACPI_CAST_PTR(u8, fadt), table_size); + fadt->header.checksum -= checksum; + + tbl_add[TBL_FADT].start = d->arch.efi_acpi_gpa + + acpi_get_table_offset(tbl_add, TBL_FADT); + tbl_add[TBL_FADT].size = table_size; + + return 0; +} + static int estimate_acpi_efi_size(struct domain *d, struct kernel_info *kinfo) { size_t efi_size, acpi_size, madt_size; @@ -1401,6 +1439,7 @@ static int prepare_acpi(struct domain *d, struct kernel_info *kinfo) { int rc = 0; int order; + struct membank tbl_add[TBL_MMAX] = {}; rc = estimate_acpi_efi_size(d, kinfo); if ( rc != 0 ) @@ -1419,6 +1458,10 @@ static int prepare_acpi(struct domain *d, struct kernel_info *kinfo) * region. So we use it as the ACPI table mapped address. */ d->arch.efi_acpi_gpa = kinfo->gnttab_start; + rc = acpi_create_fadt(d, tbl_add); + if ( rc != 0 ) + return rc; + return 0; } #else -- 2.0.4 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
next prev parent reply other threads:[~2016-03-17 9:40 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 ` Shannon Zhao [this message] 2016-03-21 12:25 ` [PATCH v6 03/22] arm/acpi: Prepare FADT table for Dom0 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 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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