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 52 typedef 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 59 typedef 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 */ 67 typedef struct FWCfgDmaAccess { 68 uint32_t control; 69 uint32_t length; 70 uint64_t address; 71 } QEMU_PACKED FWCfgDmaAccess; 72 73 typedef void (*FWCfgCallback)(void *opaque, uint8_t *data); 74 typedef void (*FWCfgReadCallback)(void *opaque, uint32_t offset); 75 76 void fw_cfg_add_bytes(FWCfgState *s, uint16_t key, void *data, size_t len); 77 void fw_cfg_add_string(FWCfgState *s, uint16_t key, const char *value); 78 void fw_cfg_add_i16(FWCfgState *s, uint16_t key, uint16_t value); 79 void fw_cfg_modify_i16(FWCfgState *s, uint16_t key, uint16_t value); 80 void fw_cfg_add_i32(FWCfgState *s, uint16_t key, uint32_t value); 81 void fw_cfg_add_i64(FWCfgState *s, uint16_t key, uint64_t value); 82 void fw_cfg_add_file(FWCfgState *s, const char *filename, void *data, 83 size_t len); 84 void fw_cfg_add_file_callback(FWCfgState *s, const char *filename, 85 FWCfgReadCallback callback, void *callback_opaque, 86 void *data, size_t len); 87 void *fw_cfg_modify_file(FWCfgState *s, const char *filename, void *data, 88 size_t len); 89 FWCfgState *fw_cfg_init_io_dma(uint32_t iobase, uint32_t dma_iobase, 90 AddressSpace *dma_as); 91 FWCfgState *fw_cfg_init_io(uint32_t iobase); 92 FWCfgState *fw_cfg_init_mem(hwaddr ctl_addr, hwaddr data_addr); 93 FWCfgState *fw_cfg_init_mem_wide(hwaddr ctl_addr, 94 hwaddr data_addr, uint32_t data_width, 95 hwaddr dma_addr, AddressSpace *dma_as); 96 97 FWCfgState *fw_cfg_find(void); 98 99 #endif /* NO_QEMU_PROTOS */ 100 101 #endif 102