080f64dafa
- Update to version 2.0.14 (bsc#1039937, FATE#320672, FATE#320671) Changelog: http://git.kernel.org/cgit/utils/kernel/kexec/kexec-tools.git/log/?id=refs/tags/v2.0.13..v2.0.14 - Backport upstream fixes (bsc#1039937, FATE#320672, FATE#320671) 0001-kexec-tools-2.0.14.git.patch 0002-ppc64-Reduce-number-of-ELF-LOAD-segments.patch 0003-kexec-Increase-the-upper-limit-for-RAM-segments.patch 0004-alpha-add-missing-__NR_kexec_load-definition.patch 0005-kexec-implemented-XEN-KEXEC-STATUS-to-determine-if-a.patch 0006-kexec-Remove-redundant-space-from-help-message.patch 0007-purgatory-Add-purgatory.map-and-purgatory.ro.sym-to-.patch 0008-kexec-Add-option-to-get-crash-kernel-region-size.patch 0009-crashdump-arm-Add-get_crash_kernel_load_range-functi.patch 0010-crashdump-arm64-Add-get_crash_kernel_load_range-func.patch 0011-crashdump-cris-Add-get_crash_kernel_load_range-funct.patch 0012-crashdump-ia64-Add-get_crash_kernel_load_range-funct.patch 0013-crashdump-m68k-Add-get_crash_kernel_load_range-funct.patch 0014-crashdump-mips-Add-get_crash_kernel_load_range-funct.patch 0015-crashdump-ppc-Add-get_crash_kernel_load_range-functi.patch 0016-crashdump-ppc64-Add-get_crash_kernel_load_range-func.patch 0017-crashdump-s390-Add-get_crash_kernel_load_range-funct.patch 0018-crashdump-sh-Add-get_crash_kernel_load_range-functio.patch 0019-gitignore-add-two-generated-files-in-purgatory.patch 0020-Only-print-debug-message-when-failed-to-serach-for-k.patch 0021-build_mem_phdrs-check-if-p_paddr-is-invalid.patch 0022-uImage-fix-realloc-pointer-confusion.patch 0023-uImage-Fix-uImage_load-for-little-endian-machines.patch 0024-uImage-Add-new-IH_ARCH_xxx-definitions.patch 0025-uImage-use-char-instead-of-unsigned-char-for-uImage_.patch 0026-uImage-use-char-instead-of-unsigned-char-for-uImage_.patch 0027-arm64-add-uImage-support.patch OBS-URL: https://build.opensuse.org/request/show/500203 OBS-URL: https://build.opensuse.org/package/show/Kernel:kdump/kexec-tools?expand=0&rev=83
114 lines
3.4 KiB
Diff
114 lines
3.4 KiB
Diff
From 7fc80cfcd913897ea92889349d51c1dd33d2c4ed Mon Sep 17 00:00:00 2001
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From: Daniel Kiper <daniel.kiper@oracle.com>
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Date: Fri, 17 Feb 2017 16:47:21 -0600
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Subject: [PATCH 15/45] crashdump/ppc: Add get_crash_kernel_load_range()
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function
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Implement get_crash_kernel_load_range() in support of
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print crash kernel region size option.
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Signed-off-by: Daniel Kiper <daniel.kiper@oracle.com>
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Signed-off-by: Eric DeVolder <eric.devolder@oracle.com>
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Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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Signed-off-by: Simon Horman <horms@verge.net.au>
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---
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kexec/arch/ppc/crashdump-powerpc.c | 22 +++++++++++++++++++++-
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kexec/arch/ppc/kexec-ppc.c | 24 ++++++++++++++++++++++++
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kexec/arch/ppc/kexec-ppc.h | 1 +
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3 files changed, 46 insertions(+), 1 deletion(-)
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diff --git a/kexec/arch/ppc/crashdump-powerpc.c b/kexec/arch/ppc/crashdump-powerpc.c
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index 3dc35ebe8866..dde6de7ec7a1 100644
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--- a/kexec/arch/ppc/crashdump-powerpc.c
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+++ b/kexec/arch/ppc/crashdump-powerpc.c
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@@ -16,6 +16,9 @@
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#include "kexec-ppc.h"
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#include "crashdump-powerpc.h"
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+#define DEVTREE_CRASHKERNEL_BASE "/proc/device-tree/chosen/linux,crashkernel-base"
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+#define DEVTREE_CRASHKERNEL_SIZE "/proc/device-tree/chosen/linux,crashkernel-size"
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+
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#ifdef CONFIG_PPC64
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static struct crash_elf_info elf_info64 = {
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class: ELFCLASS64,
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@@ -397,11 +400,28 @@ void add_usable_mem_rgns(unsigned long long base, unsigned long long size)
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usablemem_rgns.size, base, size);
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}
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+int get_crash_kernel_load_range(uint64_t *start, uint64_t *end)
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+{
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+ unsigned long long value;
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+
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+ if (!get_devtree_value(DEVTREE_CRASHKERNEL_BASE, &value))
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+ *start = value;
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+ else
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+ return -1;
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+
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+ if (!get_devtree_value(DEVTREE_CRASHKERNEL_SIZE, &value))
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+ *end = *start + value - 1;
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+ else
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+ return -1;
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+
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+ return 0;
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+}
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+
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int is_crashkernel_mem_reserved(void)
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{
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int fd;
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- fd = open("/proc/device-tree/chosen/linux,crashkernel-base", O_RDONLY);
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+ fd = open(DEVTREE_CRASHKERNEL_BASE, O_RDONLY);
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if (fd < 0)
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return 0;
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close(fd);
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diff --git a/kexec/arch/ppc/kexec-ppc.c b/kexec/arch/ppc/kexec-ppc.c
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index d04611092a1b..03bec36302f7 100644
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--- a/kexec/arch/ppc/kexec-ppc.c
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+++ b/kexec/arch/ppc/kexec-ppc.c
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@@ -423,6 +423,30 @@ err_out:
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return -1;
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}
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+/* Return 0 if fname/value valid, -1 otherwise */
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+int get_devtree_value(const char *fname, unsigned long long *value)
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+{
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+ FILE *file;
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+ char buf[MAXBYTES];
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+ int n = -1;
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+
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+ if ((file = fopen(fname, "r"))) {
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+ n = fread(buf, 1, MAXBYTES, file);
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+ fclose(file);
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+ }
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+
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+ if (n == sizeof(uint32_t))
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+ *value = ((uint32_t *)buf)[0];
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+ else if (n == sizeof(uint64_t))
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+ *value = ((uint64_t *)buf)[0];
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+ else {
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+ fprintf(stderr, "%s node has invalid size: %d\n", fname, n);
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+ return -1;
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+ }
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+
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+ return 0;
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+}
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+
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/* Get devtree details and create exclude_range array
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* Also create usablemem_ranges for KEXEC_ON_CRASH
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*/
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diff --git a/kexec/arch/ppc/kexec-ppc.h b/kexec/arch/ppc/kexec-ppc.h
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index 904cf48ffe98..f8fd67827e43 100644
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--- a/kexec/arch/ppc/kexec-ppc.h
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+++ b/kexec/arch/ppc/kexec-ppc.h
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@@ -75,6 +75,7 @@ extern unsigned long dt_address_cells, dt_size_cells;
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extern int init_memory_region_info(void);
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extern int read_memory_region_limits(int fd, unsigned long long *start,
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unsigned long long *end);
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+extern int get_devtree_value(const char *fname, unsigned long long *pvalue);
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#define COMMAND_LINE_SIZE 512 /* from kernel */
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/*fs2dt*/
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void reserve(unsigned long long where, unsigned long long length);
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--
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2.13.0
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