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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-08-03 22:41:33 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-03 22:41:33 -0300
commitf9cd49033b349b8be3bb1f01b39eed837853d880 (patch)
tree7f10a70e420f83cce2709e67ff993270276f0277 /include/linux/pstore_ram.h
parent2f2da1e2995c9362babd7da3cc9d340be184ea73 (diff)
parent0d7614f09c1ebdbaa1599a5aba7593f147bf96ee (diff)
Merge tag 'v3.6-rc1' into staging/for_v3.6
Linux 3.6-rc1 * tag 'v3.6-rc1': (18733 commits) Linux 3.6-rc1 mm: remove node_start_pfn checking in new WARN_ON for now ARM: mmp: add missing irqs.h arm: mvebu: fix typo in .dtsi comment for Armada XP SoCs ARM: PRIMA2: delete redundant codes to restore LATCHED when timer resumes libceph: fix crypto key null deref, memory leak ceph: simplify+fix atomic_open sh: explicitly include sh_dma.h in setup-sh7722.c um: Add arch/x86/um to MAINTAINERS um: pass siginfo to guest process um: fix ubd_file_size for read-only files md/dm-raid: DM_RAID should select MD_RAID10 md/raid1: submit IO from originating thread instead of md thread. raid5: raid5d handle stripe in batch way raid5: make_request use batch stripe release um: pull interrupt_end() into userspace() um: split syscall_trace(), pass pt_regs to it um: switch UPT_SET_RETURN_VALUE and regs_return_value to pt_regs MIPS: Loongson 2: Sort out clock managment. locks: remove unused lm_release_private ...
Diffstat (limited to 'include/linux/pstore_ram.h')
-rw-r--r--include/linux/pstore_ram.h81
1 files changed, 81 insertions, 0 deletions
diff --git a/include/linux/pstore_ram.h b/include/linux/pstore_ram.h
new file mode 100644
index 000000000000..098d2a838296
--- /dev/null
+++ b/include/linux/pstore_ram.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2010 Marco Stornelli <marco.stornelli@gmail.com>
+ * Copyright (C) 2011 Kees Cook <keescook@chromium.org>
+ * Copyright (C) 2011 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __LINUX_PSTORE_RAM_H__
+#define __LINUX_PSTORE_RAM_H__
+
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/types.h>
+#include <linux/init.h>
+
+struct persistent_ram_buffer;
+struct rs_control;
+
+struct persistent_ram_zone {
+ phys_addr_t paddr;
+ size_t size;
+ void *vaddr;
+ struct persistent_ram_buffer *buffer;
+ size_t buffer_size;
+
+ /* ECC correction */
+ char *par_buffer;
+ char *par_header;
+ struct rs_control *rs_decoder;
+ int corrected_bytes;
+ int bad_blocks;
+ int ecc_block_size;
+ int ecc_size;
+
+ char *old_log;
+ size_t old_log_size;
+};
+
+struct persistent_ram_zone * __devinit persistent_ram_new(phys_addr_t start,
+ size_t size, u32 sig,
+ int ecc_size);
+void persistent_ram_free(struct persistent_ram_zone *prz);
+void persistent_ram_zap(struct persistent_ram_zone *prz);
+
+int persistent_ram_write(struct persistent_ram_zone *prz, const void *s,
+ unsigned int count);
+
+void persistent_ram_save_old(struct persistent_ram_zone *prz);
+size_t persistent_ram_old_size(struct persistent_ram_zone *prz);
+void *persistent_ram_old(struct persistent_ram_zone *prz);
+void persistent_ram_free_old(struct persistent_ram_zone *prz);
+ssize_t persistent_ram_ecc_string(struct persistent_ram_zone *prz,
+ char *str, size_t len);
+
+/*
+ * Ramoops platform data
+ * @mem_size memory size for ramoops
+ * @mem_address physical memory address to contain ramoops
+ */
+
+struct ramoops_platform_data {
+ unsigned long mem_size;
+ unsigned long mem_address;
+ unsigned long record_size;
+ unsigned long console_size;
+ unsigned long ftrace_size;
+ int dump_oops;
+ int ecc_size;
+};
+
+#endif