316 lines
10 KiB
C
316 lines
10 KiB
C
#ifndef _L_BOOTINFO_H_
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#define _L_BOOTINFO_H_
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#if defined(__KERNEL__) || defined(__KVM_BOOTINFO_SUPPORT__)
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/*
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* 0x0:
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* 0x1: extended command line
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*/
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#define BOOTBLOCK_VER 0x1
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#define KSTRMAX_SIZE 128
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#define KSTRMAX_SIZE_EX 512
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#define BIOS_INFO_SIGN_SIZE 8
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#define KERNEL_ARGS_STRING_EX_SIGN_SIZE 22
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#define BOOT_VER_STR_SIZE 128
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#define BOOTBLOCK_SIZE 0x1000 /* 1 PAGE_SIZE */
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#define X86BOOT_SIGNATURE 0x8086
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#define ROMLOADER_SIGNATURE 0xe200
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#define KVM_GUEST_SIGNATURE 0x20e2
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#define BIOS_INFO_SIGNATURE "E2KBIOS"
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#define KVM_INFO_SIGNATURE "E2KKVM"
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#define KERNEL_ARGS_STRING_EX_SIGNATURE "KERNEL_ARGS_STRING_EX"
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#define BOOT_KERNEL_ARGS_STRING_EX_SIGNATURE \
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boot_va_to_pa(KERNEL_ARGS_STRING_EX_SIGNATURE)
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/*
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* Below is boot information that comes out of the x86 code of Linux/E2K
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* loader proto.
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*/
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/* L_MAX_NODE_PHYS_BANKS = 4 sometimes is not enough, so we increase it to
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* an arbitary value (8 now). The old L_MAX_NODE_PHYS_BANKS we rename to
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* L_MAX_NODE_PHYS_BANKS_FUSTY and take in mind for boot_info compatibility.
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*
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* L_MAX_NODE_PHYS_BANKS_FUSTY and L_MAX_MEM_NUMNODES describe max size of
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* array of memory banks on all nodes and should be in accordance with old value
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* of L_MAX_PHYS_BANKS for compatibility with boot_info old structure (bank)
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* size, so L_MAX_NODE_PHYS_BANKS_FUSTY * L_MAX_MEM_NUMNODES should be
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* equal to 32.
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*/
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#define L_MAX_NODE_PHYS_BANKS 64 /* max number of memory banks */
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/* on one node */
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#define L_MAX_NODE_PHYS_BANKS_FUSTY 4 /* fusty max number of memory */
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/* banks on one node */
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#define L_MAX_PHYS_BANKS_EX 64 /* max number of memory banks */
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/* in banks_ex field of */
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/* boot_info */
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#define L_MAX_MEM_NUMNODES 8 /* max number of nodes in the */
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/* list of memory banks on */
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/* each node */
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#define L_MAX_BUSY_AREAS 4 /* max number of busy areas */
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/* occupied by BIOS and should be */
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/* kept unchanged by kernel to */
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/* support recovery mode */
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#ifndef __ASSEMBLY__
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typedef struct bank_info {
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__u64 address; /* start address of bank */
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__u64 size; /* size of bank in bytes */
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} bank_info_t;
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typedef struct node_banks {
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bank_info_t banks[L_MAX_NODE_PHYS_BANKS_FUSTY]; /* memory banks array */
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/* of a node */
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} node_banks_t;
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typedef struct boot_times {
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__u64 arch;
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__u64 unpack;
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__u64 pci;
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__u64 drivers1;
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__u64 drivers2;
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__u64 menu;
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__u64 sm;
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__u64 kernel;
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__u64 reserved[8];
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} boot_times_t;
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typedef struct bios_info {
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__u8 signature[BIOS_INFO_SIGN_SIZE]; /* signature, */
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/* 'E2KBIOS' */
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__u8 boot_ver[BOOT_VER_STR_SIZE]; /* boot version */
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__u8 mb_type; /* mother board type */
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__u8 chipset_type; /* chipset type */
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__u8 cpu_type; /* cpu type */
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__u8 kernel_args_string_ex[KSTRMAX_SIZE_EX]; /* extended command */
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/* line of kernel */
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/* used to pass */
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/* command line */
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/* from e2k BIOS */
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__u8 reserved1; /* reserved1 */
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__u32 cache_lines_damaged; /* number of damaged */
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/* cache lines */
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__u64 nodes_mem_slabs_deprecated[52]; /* array of slabs */
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/* accessible memory */
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/* on each node */
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/* accessible memory */
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/* on each node */
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bank_info_t banks_ex[L_MAX_PHYS_BANKS_EX]; /* extended array of */
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/* descriptors of */
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/* banks of available */
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/* physical memory */
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__u64 devtree; /* devtree pointer */
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__u32 bootlog_addr; /* bootlog address */
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__u32 bootlog_len; /* bootlog length */
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__u8 uuid[16]; /* UUID boot device */
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} bios_info_t;
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typedef struct boot_info {
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__u16 signature; /* signature, 0x8086 */
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__u8 target_mdl; /* target cpu model number */
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__u8 reserved1; /* reserved1 */
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__u16 reserved2; /* reserved2 */
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__u8 vga_mode; /* vga mode */
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__u8 num_of_banks; /* number of available physical memory banks */
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/* see below bank array */
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/* total number on all nodes or 0 */
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__u64 kernel_base; /* base address to load kernel image */
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/* if 0 then BIOS can load at any address */
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/* but address should be large page size */
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/* aligned - 4 Mb */
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__u64 kernel_size; /* kernel image byte's size */
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__u64 ramdisk_base; /* base address to load RAM-disk */
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/* now not used */
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__u64 ramdisk_size; /* RAM-disk byte's size */
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__u16 num_of_cpus; /* number of started physical CPU(s) */
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__u16 mach_flags; /* machine identifacition flags */
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/* should be set by our romloader and BIOS */
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__u16 num_of_busy; /* number of busy areas occupied by BIOS */
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/* see below busy array */
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__u16 num_of_nodes; /* number of nodes on NUMA system */
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__u64 mp_table_base; /* MP-table base address */
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__u64 serial_base; /* base address of serial port for Am85c30 */
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/* Used for debugging purpose */
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__u64 nodes_map; /* online nodes map */
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__u64 mach_serialn; /* serial number of the machine */
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__u8 mac_addr[6]; /* base MAC address for ethernet cards */
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__u16 reserved3; /* reserved3 */
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char kernel_args_string[KSTRMAX_SIZE]; /* command line of kernel */
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/* used to pass command line */
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/* from e2k BIOS */
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node_banks_t nodes_mem[L_MAX_MEM_NUMNODES]; /* array of */
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/* descriptors of banks of */
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/* available physical memory */
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/* on each node */
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bank_info_t busy[L_MAX_BUSY_AREAS]; /* descriptors of areas */
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/* occupied by BIOS, all this */
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/* shoud be kept in system */
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/* recovery mode */
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u64 cntp_info_deprecated[32]; /* control points */
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/* info to save and */
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/* restore them state */
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u64 dmp_deprecated[20]; /* Info for future work of */
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/* dump analyzer */
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__u64 reserved4[13]; /* reserved4 */
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__u8 mb_name[16]; /* Motherboard product name */
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__u32 reserved5; /* reserved5 */
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__u32 kernel_csum; /* kernel image control sum */
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bios_info_t bios; /* extended BIOS info */
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/* SHOULD BE LAST ITEM into this */
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/* structure */
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} boot_info_t;
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typedef struct bootblock_struct {
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boot_info_t info; /* general kernel<->BIOS info */
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__u8 /* zip area to make size of */
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/* bootblock struct - constant */
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gap[BOOTBLOCK_SIZE -
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sizeof (boot_info_t) -
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sizeof (boot_times_t) -
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1 - /* u8 : bootblock_ver */
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4 - /* u32 : reserved1 */
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2 - /* u16 : kernel_flags */
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1 - /* u8 : reserved2 */
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5 - /* u8 : number of cnt points */
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/* u8 : current # of cnt point */
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/* u8 : number of cnt points */
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/* ready in the memory */
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/* u8 : number of cnt points */
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/* saved on the disk */
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/* u8 : all control points */
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/* is created */
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8 - /* u64 : dump sector */
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8 - /* u64 : cnt point sector */
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2 - /* u16 : dump device */
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2 - /* u16 : cnt point device */
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2 - /* u16 : boot_flags */
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2]; /* u16 : x86_marker */
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__u8 bootblock_ver; /* bootblock version number */
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__u32 reserved1; /* reserved1 */
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boot_times_t boot_times; /* boot load times */
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__u16 kernel_flags; /* kernel flags, boot should */
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/* not modify it */
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__u8 reserved2; /* reserved2 */
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__u8 cnt_points_num_deprecated; /* number of control points */
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/* all memory will be devided */
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/* on this number of parts */
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__u8 cur_cnt_point_deprecated; /* current # of active */
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/* control point (running */
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/* part) */
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__u8 mem_cnt_points_deprecated; /* number of started control */
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/* points (ready in the memory) */
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__u8 disk_cnt_points_deprecated; /* number of control points */
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/* saved on the disk (ready */
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/* to be loaded from disk) */
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__u8 cnt_points_created_deprecated; /* all control points created */
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/* in the memory and on disk */
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__u64 dump_sector_deprecated; /* start sector # to dump */
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/* physical memory */
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__u64 cnt_point_sector_deprecated; /* start sector # to save */
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/* restore control points */
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__u16 dump_dev_deprecated; /* disk # to dump memory */
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__u16 cnt_point_dev_deprecated; /* disk # for save/restore */
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/* control point */
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__u16 boot_flags; /* boot flags: if non */
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/* zero then this structure */
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/* is recovery info */
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/* structure instead of boot */
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/* info structure */
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__u16 x86_marker; /* marker of the end of x86 */
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/* boot block (0xAA55) */
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} bootblock_struct_t;
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extern bootblock_struct_t *bootblock_virt; /* bootblock structure */
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/* virtual pointer */
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#endif /* ! __ASSEMBLY__ */
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/*
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* Boot block flags to elaborate boot modes
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*/
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#define RECOVERY_BB_FLAG 0x0001 /* recovery flag: if non zero then */
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/* this structure is recovery info */
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/* structure instead of boot info */
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/* structure */
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/* BIOS should not clear memory */
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/* and should keep current state of */
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/* physical memory */
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#define CNT_POINT_BB_FLAG 0x0002 /* kernel restarted in the mode of */
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/* control point creation */
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/* BIOS should read kernel image from */
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/* the disk to the specified area of */
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/* the memory and start kernel (this */
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/* flag should be with */
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/* RECOVERY_BB_FLAG flag) */
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#define NO_READ_IMAGE_BB_FLAG 0x0004 /* BIOS should not read kernel image */
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/* from disk and start current */
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/* image in the specified area of */
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/* the memory (this flag should be */
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/* with RECOVERY_BB_FLAG flag) */
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#define DUMP_ANALYZE_BB_FLAG 0x0008 /* This flag is used only by kernel */
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/* to indicate dump analyzer mode */
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#define MEMORY_DUMP_BB_FLAG 0x0010 /* BIOS should dump all physical */
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/* memory before start all other */
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/* actions */
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/*
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* The machine identification flags
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*/
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#define SIMULATOR_MACH_FLAG 0x0001 /* system is running on */
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/* simulator */
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#define PROTOTYPE_MACH_FLAG_DEPRECATED 0x0002 /* machine is prototype */
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#define IOHUB_MACH_FLAG_DEPRECATED 0x0004 /* machine has IOHUB */
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#define OLDMGA_MACH_FLAG 0x0008 /* MGA card has old firmware */
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#define MULTILINK_MACH_FLAG 0x0010 /* some nodes are connected */
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/* by sevral IP links */
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#define MSI_MACH_FLAG 0x0020 /* boot inits right values in */
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/* apic to support MSI. */
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/* Meanfull for e2k only. For */
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/* v9 it always true */
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#define KVM_GUEST_MACH_FLAG 0x0100 /* system is running */
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/* as KVM guest */
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/*
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* The chipset types
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*/
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#define CHIPSET_TYPE_PIIX4 0x01 /* PIIX4 */
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#define CHIPSET_TYPE_IOHUB 0x02 /* IOHUB */
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/*
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* The chipset types names
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*/
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#define GET_CHIPSET_TYPE_NAME(type) \
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({ \
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char *name; \
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\
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switch (type) { \
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case CHIPSET_TYPE_PIIX4: \
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name = "PIIX4"; \
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break; \
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case CHIPSET_TYPE_IOHUB: \
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name = "IOHUB"; \
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break; \
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default: \
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name = "?????"; \
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} \
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\
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name; \
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})
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extern char *mcst_mb_name;
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#endif /* __KERNEL__ || __KVM_BOOTINFO_SUPPORT__ */
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#endif /* _L_BOOTINFO_H_ */
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