Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / pstore_ram.h

diff --git a/kernel/include/linux/pstore_ram.h b/kernel/include/linux/pstore_ram.h
new file mode 100644 (file)
index 0000000..9c9d6c1
--- /dev/null
+++ b/kernel/include/linux/pstore_ram.h
@@ -0,0 +1,89 @@
+/*
+ * 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_ecc_info {
+       int block_size;
+       int ecc_size;
+       int symsize;
+       int poly;
+};
+
+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;
+       struct persistent_ram_ecc_info ecc_info;
+
+       char *old_log;
+       size_t old_log_size;
+};
+
+struct persistent_ram_zone *persistent_ram_new(phys_addr_t start, size_t size,
+                       u32 sig, struct persistent_ram_ecc_info *ecc_info,
+                       unsigned int memtype);
+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 int    mem_type;
+       unsigned long   record_size;
+       unsigned long   console_size;
+       unsigned long   ftrace_size;
+       unsigned long   pmsg_size;
+       int             dump_oops;
+       struct persistent_ram_ecc_info ecc_info;
+};
+
+#endif