LXR qemu/include/hw/nvram/fw

   1#ifndef FW_CFG_H
   2#define FW_CFG_H
   3
   4#ifndef NO_QEMU_PROTOS
   5#include <stdint.h>
   6#include <stddef.h>
   7
   8#include "exec/hwaddr.h"
   9#include "qemu/typedefs.h"
  10#endif
  11
  12#define FW_CFG_SIGNATURE        0x00
  13#define FW_CFG_ID               0x01
  14#define FW_CFG_UUID             0x02
  15#define FW_CFG_RAM_SIZE         0x03
  16#define FW_CFG_NOGRAPHIC        0x04
  17#define FW_CFG_NB_CPUS          0x05
  18#define FW_CFG_MACHINE_ID       0x06
  19#define FW_CFG_KERNEL_ADDR      0x07
  20#define FW_CFG_KERNEL_SIZE      0x08
  21#define FW_CFG_KERNEL_CMDLINE   0x09
  22#define FW_CFG_INITRD_ADDR      0x0a
  23#define FW_CFG_INITRD_SIZE      0x0b
  24#define FW_CFG_BOOT_DEVICE      0x0c
  25#define FW_CFG_NUMA             0x0d
  26#define FW_CFG_BOOT_MENU        0x0e
  27#define FW_CFG_MAX_CPUS         0x0f
  28#define FW_CFG_KERNEL_ENTRY     0x10
  29#define FW_CFG_KERNEL_DATA      0x11
  30#define FW_CFG_INITRD_DATA      0x12
  31#define FW_CFG_CMDLINE_ADDR     0x13
  32#define FW_CFG_CMDLINE_SIZE     0x14
  33#define FW_CFG_CMDLINE_DATA     0x15
  34#define FW_CFG_SETUP_ADDR       0x16
  35#define FW_CFG_SETUP_SIZE       0x17
  36#define FW_CFG_SETUP_DATA       0x18
  37#define FW_CFG_FILE_DIR         0x19
  38
  39#define FW_CFG_FILE_FIRST       0x20
  40#define FW_CFG_FILE_SLOTS       0x10
  41#define FW_CFG_MAX_ENTRY        (FW_CFG_FILE_FIRST+FW_CFG_FILE_SLOTS)
  42
  43#define FW_CFG_WRITE_CHANNEL    0x4000
  44#define FW_CFG_ARCH_LOCAL       0x8000
  45#define FW_CFG_ENTRY_MASK       ~(FW_CFG_WRITE_CHANNEL | FW_CFG_ARCH_LOCAL)
  46
  47#define FW_CFG_INVALID          0xffff
  48
  49#define FW_CFG_MAX_FILE_PATH    56
  50
  51#ifndef NO_QEMU_PROTOS
  52typedef struct FWCfgFile {
  53    uint32_t  size;        /* file size */
  54    uint16_t  select;      /* write this to 0x510 to read it */
  55    uint16_t  reserved;
  56    char      name[FW_CFG_MAX_FILE_PATH];
  57} FWCfgFile;
  58
  59typedef struct FWCfgFiles {
  60    uint32_t  count;
  61    FWCfgFile f[];
  62} FWCfgFiles;
  63
  64/* Control as first field allows for different structures selected by this
  65 * field, which might be useful in the future
  66 */
  67typedef struct FWCfgDmaAccess {
  68    uint32_t control;
  69    uint32_t length;
  70    uint64_t address;
  71} QEMU_PACKED FWCfgDmaAccess;
  72
  73typedef void (*FWCfgCallback)(void *opaque, uint8_t *data);
  74typedef void (*FWCfgReadCallback)(void *opaque, uint32_t offset);
  75
  76void fw_cfg_add_bytes(FWCfgState *s, uint16_t key, void *data, size_t len);
  77void fw_cfg_add_string(FWCfgState *s, uint16_t key, const char *value);
  78void fw_cfg_add_i16(FWCfgState *s, uint16_t key, uint16_t value);
  79void fw_cfg_modify_i16(FWCfgState *s, uint16_t key, uint16_t value);
  80void fw_cfg_add_i32(FWCfgState *s, uint16_t key, uint32_t value);
  81void fw_cfg_add_i64(FWCfgState *s, uint16_t key, uint64_t value);
  82void fw_cfg_add_file(FWCfgState *s, const char *filename, void *data,
  83                     size_t len);
  84void fw_cfg_add_file_callback(FWCfgState *s, const char *filename,
  85                              FWCfgReadCallback callback, void *callback_opaque,
  86                              void *data, size_t len);
  87void *fw_cfg_modify_file(FWCfgState *s, const char *filename, void *data,
  88                         size_t len);
  89FWCfgState *fw_cfg_init_io_dma(uint32_t iobase, uint32_t dma_iobase,
  90                                AddressSpace *dma_as);
  91FWCfgState *fw_cfg_init_io(uint32_t iobase);
  92FWCfgState *fw_cfg_init_mem(hwaddr ctl_addr, hwaddr data_addr);
  93FWCfgState *fw_cfg_init_mem_wide(hwaddr ctl_addr,
  94                                 hwaddr data_addr, uint32_t data_width,
  95                                 hwaddr dma_addr, AddressSpace *dma_as);
  96
  97FWCfgState *fw_cfg_find(void);
  98
  99#endif /* NO_QEMU_PROTOS */
 100
 101#endif
 102