From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: Add the rt linux 4.1.3-rt3 as base Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang --- kernel/arch/x86/include/asm/microcode_amd.h | 79 +++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 kernel/arch/x86/include/asm/microcode_amd.h (limited to 'kernel/arch/x86/include/asm/microcode_amd.h') diff --git a/kernel/arch/x86/include/asm/microcode_amd.h b/kernel/arch/x86/include/asm/microcode_amd.h new file mode 100644 index 000000000..af935397e --- /dev/null +++ b/kernel/arch/x86/include/asm/microcode_amd.h @@ -0,0 +1,79 @@ +#ifndef _ASM_X86_MICROCODE_AMD_H +#define _ASM_X86_MICROCODE_AMD_H + +#include + +#define UCODE_MAGIC 0x00414d44 +#define UCODE_EQUIV_CPU_TABLE_TYPE 0x00000000 +#define UCODE_UCODE_TYPE 0x00000001 + +#define SECTION_HDR_SIZE 8 +#define CONTAINER_HDR_SZ 12 + +struct equiv_cpu_entry { + u32 installed_cpu; + u32 fixed_errata_mask; + u32 fixed_errata_compare; + u16 equiv_cpu; + u16 res; +} __attribute__((packed)); + +struct microcode_header_amd { + u32 data_code; + u32 patch_id; + u16 mc_patch_data_id; + u8 mc_patch_data_len; + u8 init_flag; + u32 mc_patch_data_checksum; + u32 nb_dev_id; + u32 sb_dev_id; + u16 processor_rev_id; + u8 nb_rev_id; + u8 sb_rev_id; + u8 bios_api_rev; + u8 reserved1[3]; + u32 match_reg[8]; +} __attribute__((packed)); + +struct microcode_amd { + struct microcode_header_amd hdr; + unsigned int mpb[0]; +}; + +static inline u16 find_equiv_id(struct equiv_cpu_entry *equiv_cpu_table, + unsigned int sig) +{ + int i = 0; + + if (!equiv_cpu_table) + return 0; + + while (equiv_cpu_table[i].installed_cpu != 0) { + if (sig == equiv_cpu_table[i].installed_cpu) + return equiv_cpu_table[i].equiv_cpu; + + i++; + } + return 0; +} + +extern int __apply_microcode_amd(struct microcode_amd *mc_amd); +extern int apply_microcode_amd(int cpu); +extern enum ucode_state load_microcode_amd(int cpu, u8 family, const u8 *data, size_t size); + +#define PATCH_MAX_SIZE PAGE_SIZE +extern u8 amd_ucode_patch[PATCH_MAX_SIZE]; + +#ifdef CONFIG_MICROCODE_AMD_EARLY +extern void __init load_ucode_amd_bsp(void); +extern void load_ucode_amd_ap(void); +extern int __init save_microcode_in_initrd_amd(void); +void reload_ucode_amd(void); +#else +static inline void __init load_ucode_amd_bsp(void) {} +static inline void load_ucode_amd_ap(void) {} +static inline int __init save_microcode_in_initrd_amd(void) { return -EINVAL; } +void reload_ucode_amd(void) {} +#endif + +#endif /* _ASM_X86_MICROCODE_AMD_H */ -- cgit 1.2.3-korg