Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1309923

[PATCH v2 04/16] arm/xen: Use xen_xlate_map_ballooned_pages to setup grant table

From Shannon Zhao <zhaoshenglong@huawei.com>
Newsgroups linux.kernel
Subject [PATCH v2 04/16] arm/xen: Use xen_xlate_map_ballooned_pages to setup grant table
Date 2016-01-15 08:10 +0100
Message-ID <qR6Ge-2DL-33@gated-at.bofh.it> (permalink)
References <qR6wx-2kF-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


From: Shannon Zhao <shannon.zhao@linaro.org>

Use xen_xlate_map_ballooned_pages to setup grant table. Then it doesn't
rely on DT or ACPI to pass the start address and size of grant table.

Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
---
 arch/arm/xen/enlighten.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index afe6175..6d90a62 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -266,18 +266,10 @@ static int __init xen_guest_init(void)
 {
 	struct xen_add_to_physmap xatp;
 	struct shared_info *shared_info_page = NULL;
-	struct resource res;
-	phys_addr_t grant_frames;
 
 	if (!xen_domain())
 		return 0;
 
-	if (of_address_to_resource(xen_node, GRANT_TABLE_PHYSADDR, &res)) {
-		pr_err("Xen grant table base address not found\n");
-		return -ENODEV;
-	}
-	grant_frames = res.start;
-
 	xen_events_irq = irq_of_parse_and_map(xen_node, 0);
 	if (!xen_events_irq) {
 		pr_err("Xen event channel interrupt not found\n");
@@ -312,7 +304,10 @@ static int __init xen_guest_init(void)
 	if (xen_vcpu_info == NULL)
 		return -ENOMEM;
 
-	if (gnttab_setup_auto_xlat_frames(grant_frames)) {
+	xen_auto_xlat_grant_frames.count = gnttab_max_grant_frames();
+	if (xen_xlate_map_ballooned_pages(&xen_auto_xlat_grant_frames.pfn,
+					  &xen_auto_xlat_grant_frames.vaddr,
+					  xen_auto_xlat_grant_frames.count)) {
 		free_percpu(xen_vcpu_info);
 		return -ENOMEM;
 	}
-- 
2.0.4

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH v2 00/16] Add ACPI support for Xen Dom0 on ARM64 Shannon Zhao <zhaoshenglong@huawei.com> - 2016-01-15 08:00 +0100
  [PATCH v2 01/16] Xen: ACPI: Hide UART used by Xen Shannon Zhao <zhaoshenglong@huawei.com> - 2016-01-15 08:00 +0100
    Re: [PATCH v2 01/16] Xen: ACPI: Hide UART used by Xen Stefano Stabellini <stefano.stabellini@eu.citrix.com> - 2016-01-15 16:50 +0100
    Re: [PATCH v2 01/16] Xen: ACPI: Hide UART used by Xen Mark Rutland <mark.rutland@arm.com> - 2016-01-18 11:40 +0100
      Re: [PATCH v2 01/16] Xen: ACPI: Hide UART used by Xen Stefano Stabellini <stefano.stabellini@eu.citrix.com> - 2016-01-18 12:40 +0100
  [PATCH v2 16/16] ARM64: XEN: Initialize Xen specific UEFI runtime services Shannon Zhao <zhaoshenglong@huawei.com> - 2016-01-15 08:00 +0100
    Re: [PATCH v2 16/16] ARM64: XEN: Initialize Xen specific UEFI  runtime services Mark Rutland <mark.rutland@arm.com> - 2016-01-18 12:10 +0100
      Re: [PATCH v2 16/16] ARM64: XEN: Initialize Xen specific UEFI runtime  services Stefano Stabellini <stefano.stabellini@eu.citrix.com> - 2016-01-18 18:50 +0100
        Re: [PATCH v2 16/16] ARM64: XEN: Initialize Xen specific UEFI  runtime services Mark Rutland <mark.rutland@arm.com> - 2016-01-18 19:30 +0100
          Re: [PATCH v2 16/16] ARM64: XEN: Initialize Xen specific UEFI runtime  services Stefano Stabellini <stefano.stabellini@eu.citrix.com> - 2016-01-19 13:10 +0100
            Re: [PATCH v2 16/16] ARM64: XEN: Initialize Xen specific UEFI  runtime services Mark Rutland <mark.rutland@arm.com> - 2016-01-19 14:10 +0100
              Re: [PATCH v2 16/16] ARM64: XEN: Initialize Xen specific UEFI runtime  services Shannon Zhao <shannon.zhao@linaro.org> - 2016-01-19 14:40 +0100
                Re: [PATCH v2 16/16] ARM64: XEN: Initialize Xen specific UEFI runtime  services Stefano Stabellini <stefano.stabellini@eu.citrix.com> - 2016-01-19 15:30 +0100
    Re: [Xen-devel] [PATCH v2 16/16] ARM64: XEN: Initialize Xen specific  UEFI runtime services Stefano Stabellini <stefano.stabellini@eu.citrix.com> - 2016-01-18 18:10 +0100
      Re: [Xen-devel] [PATCH v2 16/16] ARM64: XEN: Initialize Xen specific  UEFI runtime services Shannon Zhao <shannon.zhao@linaro.org> - 2016-01-19 14:20 +0100
        Re: [Xen-devel] [PATCH v2 16/16] ARM64: XEN: Initialize Xen specific  UEFI runtime services Stefano Stabellini <stefano.stabellini@eu.citrix.com> - 2016-01-19 15:30 +0100
      Re: [Xen-devel] [PATCH v2 16/16] ARM64: XEN: Initialize Xen specific  UEFI runtime services Shannon Zhao <zhaoshenglong@huawei.com> - 2016-01-22 05:00 +0100
        Re: [Xen-devel] [PATCH v2 16/16] ARM64: XEN: Initialize Xen specific  UEFI runtime services Stefano Stabellini <stefano.stabellini@eu.citrix.com> - 2016-01-22 12:10 +0100
  [PATCH v2 10/16] ARM: XEN: Move xen_early_init() before efi_init() Shannon Zhao <zhaoshenglong@huawei.com> - 2016-01-15 08:00 +0100
    Re: [Xen-devel] [PATCH v2 10/16] ARM: XEN: Move xen_early_init()  before efi_init() Stefano Stabellini <stefano.stabellini@eu.citrix.com> - 2016-01-18 16:10 +0100
      Re: [Xen-devel] [PATCH v2 10/16] ARM: XEN: Move xen_early_init()  before efi_init() Shannon Zhao <zhaoshenglong@huawei.com> - 2016-01-19 09:40 +0100
        Re: [Xen-devel] [PATCH v2 10/16] ARM: XEN: Move xen_early_init()  before efi_init() Stefano Stabellini <stefano.stabellini@eu.citrix.com> - 2016-01-19 13:20 +0100
  [PATCH v2 05/16] xen: memory : Add new XENMAPSPACE type XENMAPSPACE_dev_mmio Shannon Zhao <zhaoshenglong@huawei.com> - 2016-01-15 08:10 +0100
  [PATCH v2 04/16] arm/xen: Use xen_xlate_map_ballooned_pages to setup grant table Shannon Zhao <zhaoshenglong@huawei.com> - 2016-01-15 08:10 +0100
    Re: [PATCH v2 04/16] arm/xen: Use xen_xlate_map_ballooned_pages to  setup grant table Stefano Stabellini <stefano.stabellini@eu.citrix.com> - 2016-01-15 18:30 +0100
  [PATCH v2 09/16] arm/xen: Get event-channel irq through HVM_PARAM when booting with ACPI Shannon Zhao <zhaoshenglong@huawei.com> - 2016-01-15 08:10 +0100
    Re: [Xen-devel] [PATCH v2 09/16] arm/xen: Get event-channel irq  through HVM_PARAM when booting with ACPI Stefano Stabellini <stefano.stabellini@eu.citrix.com> - 2016-01-18 15:40 +0100
      Re: [Xen-devel] [PATCH v2 09/16] arm/xen: Get event-channel irq through  HVM_PARAM when booting with ACPI Shannon Zhao <zhaoshenglong@huawei.com> - 2016-01-19 09:30 +0100

csiph-web