diff options
Diffstat (limited to 'include/linux/mrdump.h')
| -rw-r--r-- | include/linux/mrdump.h | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/include/linux/mrdump.h b/include/linux/mrdump.h new file mode 100644 index 000000000..f96482b3a --- /dev/null +++ b/include/linux/mrdump.h @@ -0,0 +1,212 @@ +#if !defined(__MRDUMP_H__) +#define __MRDUMP_H__ + +#include <stdarg.h> +#include <linux/elf.h> +#include <linux/elfcore.h> +#include <asm/ptrace.h> +#include <linux/aee.h> + +#ifdef __aarch64__ +#define reg_pc pc +#define reg_lr regs[30] +#define reg_sp sp +#define reg_fp regs[29] +#else +#define reg_pc ARM_pc +#define reg_lr ARM_lr +#define reg_sp ARM_sp +#define reg_ip ARM_ip +#define reg_fp ARM_fp +#endif + +#define MRDUMP_CPU_MAX 16 + +#define MRDUMP_DEV_NULL 0 +#define MRDUMP_DEV_SDCARD 1 +#define MRDUMP_DEV_EMMC 2 + +#define MRDUMP_FS_NULL 0 +#define MRDUMP_FS_VFAT 1 +#define MRDUMP_FS_EXT4 2 +#define MRDUMP_VERSION "MRDUMP03" +#define MRDUMP_LK_DUMP "XRDUMP03" +#define MRDUMP_GO_DUMP "GRDUMP03" + +typedef uint32_t arm32_gregset_t[18]; +typedef uint64_t aarch64_gregset_t[34]; + +struct mrdump_crash_record { + int reboot_mode; + + char msg[128]; + char backtrace[512]; + + uint32_t fault_cpu; + + union { + arm32_gregset_t arm32_regs; + aarch64_gregset_t aarch64_regs; + } cpu_regs[MRDUMP_CPU_MAX]; +}; + +struct mrdump_machdesc { + uint32_t crc; + + uint32_t output_device; + + uint32_t nr_cpus; + + uint64_t page_offset; + uint64_t high_memory; + + uint64_t vmalloc_start; + uint64_t vmalloc_end; + + uint64_t modules_start; + uint64_t modules_end; + + uint64_t phys_offset; + uint64_t master_page_table; + + uint32_t output_fstype; + uint32_t output_lbaooo; +}; + +struct mrdump_cblock_result { + char status[128]; + + uint32_t log_size; + char log_buf[2048]; +}; + +struct mrdump_control_block { + char sig[8]; + + struct mrdump_machdesc machdesc; + struct mrdump_crash_record crash_record; + struct mrdump_cblock_result result; +}; + +struct mrdump_platform { + void (*hw_enable) (bool enabled); + void (*reboot) (void); +}; + +/* NOTE!! any change to this struct should be compatible in aed */ +struct mrdump_mini_reg_desc { + unsigned long reg; /* register value */ + unsigned long kstart; /* start kernel addr of memory dump */ + unsigned long kend; /* end kernel addr of memory dump */ + unsigned long pos; /* next pos to dump */ + int valid; /* 1: valid regiser, 0: invalid regiser */ + int pad; /* reserved */ + loff_t offset; /* offset in buffer */ +}; + +/* it should always be smaller than MRDUMP_MINI_HEADER_SIZE */ +struct mrdump_mini_header { + struct mrdump_mini_reg_desc reg_desc[ELF_NGREG]; +}; + +#define MRDUMP_MINI_NR_SECTION 40 +#define MRDUMP_MINI_SECTION_SIZE (32 * 1024) +#define NT_IPANIC_MISC 4095 +#define MRDUMP_MINI_NR_MISC 20 + +struct mrdump_mini_elf_misc { + unsigned long vaddr; + unsigned long paddr; + unsigned long start; + unsigned long size; +}; + +#define NOTE_NAME_SHORT 12 +#define NOTE_NAME_LONG 20 + +struct mrdump_mini_elf_psinfo { + struct elf_note note; + char name[NOTE_NAME_SHORT]; + struct elf_prpsinfo data; +}; + +struct mrdump_mini_elf_prstatus { + struct elf_note note; + char name[NOTE_NAME_SHORT]; + struct elf_prstatus data; +}; + +struct mrdump_mini_elf_note { + struct elf_note note; + char name[NOTE_NAME_LONG]; + struct mrdump_mini_elf_misc data; +}; + +struct mrdump_mini_elf_header { + struct elfhdr ehdr; + struct elf_phdr phdrs[MRDUMP_MINI_NR_SECTION]; + struct mrdump_mini_elf_psinfo psinfo; + struct mrdump_mini_elf_prstatus prstatus[NR_CPUS + 1]; + struct mrdump_mini_elf_note misc[MRDUMP_MINI_NR_MISC]; +}; + +#define MRDUMP_MINI_HEADER_SIZE ALIGN(sizeof(struct mrdump_mini_elf_header), PAGE_SIZE) +#define MRDUMP_MINI_DATA_SIZE (MRDUMP_MINI_NR_SECTION * MRDUMP_MINI_SECTION_SIZE) +#define MRDUMP_MINI_BUF_SIZE (MRDUMP_MINI_HEADER_SIZE + MRDUMP_MINI_DATA_SIZE) + +#ifdef CONFIG_MTK_RAM_CONSOLE_DRAM_ADDR +#define MRDUMP_MINI_BUF_PADDR (CONFIG_MTK_RAM_CONSOLE_DRAM_ADDR + 0xf0000) +#else +#define MRDUMP_MINI_BUF_PADDR 0 +#endif + +#if defined(CONFIG_MTK_AEE_MRDUMP) +void mrdump_reserve_memory(void); + +void mrdump_platform_init(struct mrdump_control_block *cblock, + const struct mrdump_platform *plafrom); + +void __mrdump_create_oops_dump(AEE_REBOOT_MODE reboot_mode, struct pt_regs *regs, const char *msg, + ...); + +void aee_kdump_reboot(AEE_REBOOT_MODE, const char *msg, ...); + +#else +static inline void mrdump_reserve_memory(void) +{ +} + +static inline void mrdump_platform_init(struct mrdump_control_block *cblock, + void (*hw_enable) (bool enabled)) +{ +} + +static inline void __mrdump_create_oops_dump(AEE_REBOOT_MODE reboot_mode, struct pt_regs *regs, + const char *msg, ...) +{ +} + +static inline void aee_kdump_reboot(AEE_REBOOT_MODE reboot_mode, const char *msg, ...) +{ +} + +#endif + +typedef int (*mrdump_write)(void *buf, int off, int len, int encrypt); +#if defined(CONFIG_MTK_AEE_IPANIC) +int mrdump_mini_create_oops_dump(AEE_REBOOT_MODE reboot_mode, mrdump_write write, + loff_t sd_offset, const char *msg, va_list ap); +void mrdump_mini_reserve_memory(void); +#else +static inline int mrdump_mini_create_oops_dump(AEE_REBOOT_MODE reboot_mode, mrdump_write write, + loff_t sd_offset, const char *msg, va_list ap) +{ + return 0; +} + +static inline void mrdump_mini_reserve_memory(void) +{ +} +#endif + +#endif |