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Diffstat (limited to 'include/hw/nvram/fw_cfg.h')
-rw-r--r--include/hw/nvram/fw_cfg.h71
1 files changed, 71 insertions, 0 deletions
diff --git a/include/hw/nvram/fw_cfg.h b/include/hw/nvram/fw_cfg.h
new file mode 100644
index 0000000000..05c8df186f
--- /dev/null
+++ b/include/hw/nvram/fw_cfg.h
@@ -0,0 +1,71 @@
+#ifndef FW_CFG_H
+#define FW_CFG_H
+
+#define FW_CFG_SIGNATURE 0x00
+#define FW_CFG_ID 0x01
+#define FW_CFG_UUID 0x02
+#define FW_CFG_RAM_SIZE 0x03
+#define FW_CFG_NOGRAPHIC 0x04
+#define FW_CFG_NB_CPUS 0x05
+#define FW_CFG_MACHINE_ID 0x06
+#define FW_CFG_KERNEL_ADDR 0x07
+#define FW_CFG_KERNEL_SIZE 0x08
+#define FW_CFG_KERNEL_CMDLINE 0x09
+#define FW_CFG_INITRD_ADDR 0x0a
+#define FW_CFG_INITRD_SIZE 0x0b
+#define FW_CFG_BOOT_DEVICE 0x0c
+#define FW_CFG_NUMA 0x0d
+#define FW_CFG_BOOT_MENU 0x0e
+#define FW_CFG_MAX_CPUS 0x0f
+#define FW_CFG_KERNEL_ENTRY 0x10
+#define FW_CFG_KERNEL_DATA 0x11
+#define FW_CFG_INITRD_DATA 0x12
+#define FW_CFG_CMDLINE_ADDR 0x13
+#define FW_CFG_CMDLINE_SIZE 0x14
+#define FW_CFG_CMDLINE_DATA 0x15
+#define FW_CFG_SETUP_ADDR 0x16
+#define FW_CFG_SETUP_SIZE 0x17
+#define FW_CFG_SETUP_DATA 0x18
+#define FW_CFG_FILE_DIR 0x19
+
+#define FW_CFG_FILE_FIRST 0x20
+#define FW_CFG_FILE_SLOTS 0x10
+#define FW_CFG_MAX_ENTRY (FW_CFG_FILE_FIRST+FW_CFG_FILE_SLOTS)
+
+#define FW_CFG_WRITE_CHANNEL 0x4000
+#define FW_CFG_ARCH_LOCAL 0x8000
+#define FW_CFG_ENTRY_MASK ~(FW_CFG_WRITE_CHANNEL | FW_CFG_ARCH_LOCAL)
+
+#define FW_CFG_INVALID 0xffff
+
+#ifndef NO_QEMU_PROTOS
+typedef struct FWCfgFile {
+ uint32_t size; /* file size */
+ uint16_t select; /* write this to 0x510 to read it */
+ uint16_t reserved;
+ char name[56];
+} FWCfgFile;
+
+typedef struct FWCfgFiles {
+ uint32_t count;
+ FWCfgFile f[];
+} FWCfgFiles;
+
+typedef void (*FWCfgCallback)(void *opaque, uint8_t *data);
+
+typedef struct FWCfgState FWCfgState;
+void fw_cfg_add_bytes(FWCfgState *s, uint16_t key, void *data, size_t len);
+void fw_cfg_add_string(FWCfgState *s, uint16_t key, const char *value);
+void fw_cfg_add_i16(FWCfgState *s, uint16_t key, uint16_t value);
+void fw_cfg_add_i32(FWCfgState *s, uint16_t key, uint32_t value);
+void fw_cfg_add_i64(FWCfgState *s, uint16_t key, uint64_t value);
+void fw_cfg_add_callback(FWCfgState *s, uint16_t key, FWCfgCallback callback,
+ void *callback_opaque, void *data, size_t len);
+void fw_cfg_add_file(FWCfgState *s, const char *filename, void *data,
+ size_t len);
+FWCfgState *fw_cfg_init(uint32_t ctl_port, uint32_t data_port,
+ hwaddr crl_addr, hwaddr data_addr);
+
+#endif /* NO_QEMU_PROTOS */
+
+#endif