diff options
Diffstat (limited to 'qemu/include/hw/nvram/fw_cfg.h')
| -rw-r--r-- | qemu/include/hw/nvram/fw_cfg.h | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/qemu/include/hw/nvram/fw_cfg.h b/qemu/include/hw/nvram/fw_cfg.h deleted file mode 100644 index d00811258..000000000 --- a/qemu/include/hw/nvram/fw_cfg.h +++ /dev/null @@ -1,186 +0,0 @@ -#ifndef FW_CFG_H -#define FW_CFG_H - -#include "exec/hwaddr.h" -#include "hw/nvram/fw_cfg_keys.h" - -typedef struct FWCfgFile { - uint32_t size; /* file size */ - uint16_t select; /* write this to 0x510 to read it */ - uint16_t reserved; - char name[FW_CFG_MAX_FILE_PATH]; -} FWCfgFile; - -#define FW_CFG_ORDER_OVERRIDE_VGA 70 -#define FW_CFG_ORDER_OVERRIDE_NIC 80 -#define FW_CFG_ORDER_OVERRIDE_USER 100 -#define FW_CFG_ORDER_OVERRIDE_DEVICE 110 - -void fw_cfg_set_order_override(FWCfgState *fw_cfg, int order); -void fw_cfg_reset_order_override(FWCfgState *fw_cfg); - -typedef struct FWCfgFiles { - uint32_t count; - FWCfgFile f[]; -} FWCfgFiles; - -/* Control as first field allows for different structures selected by this - * field, which might be useful in the future - */ -typedef struct FWCfgDmaAccess { - uint32_t control; - uint32_t length; - uint64_t address; -} QEMU_PACKED FWCfgDmaAccess; - -typedef void (*FWCfgReadCallback)(void *opaque); - -/** - * fw_cfg_add_bytes: - * @s: fw_cfg device being modified - * @key: selector key value for new fw_cfg item - * @data: pointer to start of item data - * @len: size of item data - * - * Add a new fw_cfg item, available by selecting the given key, as a raw - * "blob" of the given size. The data referenced by the starting pointer - * is only linked, NOT copied, into the data structure of the fw_cfg device. - */ -void fw_cfg_add_bytes(FWCfgState *s, uint16_t key, void *data, size_t len); - -/** - * fw_cfg_add_string: - * @s: fw_cfg device being modified - * @key: selector key value for new fw_cfg item - * @value: NUL-terminated ascii string - * - * Add a new fw_cfg item, available by selecting the given key. The item - * data will consist of a dynamically allocated copy of the provided string, - * including its NUL terminator. - */ -void fw_cfg_add_string(FWCfgState *s, uint16_t key, const char *value); - -/** - * fw_cfg_add_i16: - * @s: fw_cfg device being modified - * @key: selector key value for new fw_cfg item - * @value: 16-bit integer - * - * Add a new fw_cfg item, available by selecting the given key. The item - * data will consist of a dynamically allocated copy of the given 16-bit - * value, converted to little-endian representation. - */ -void fw_cfg_add_i16(FWCfgState *s, uint16_t key, uint16_t value); - -/** - * fw_cfg_modify_i16: - * @s: fw_cfg device being modified - * @key: selector key value for new fw_cfg item - * @value: 16-bit integer - * - * Replace the fw_cfg item available by selecting the given key. The new - * data will consist of a dynamically allocated copy of the given 16-bit - * value, converted to little-endian representation. The data being replaced, - * assumed to have been dynamically allocated during an earlier call to - * either fw_cfg_add_i16() or fw_cfg_modify_i16(), is freed before returning. - */ -void fw_cfg_modify_i16(FWCfgState *s, uint16_t key, uint16_t value); - -/** - * fw_cfg_add_i32: - * @s: fw_cfg device being modified - * @key: selector key value for new fw_cfg item - * @value: 32-bit integer - * - * Add a new fw_cfg item, available by selecting the given key. The item - * data will consist of a dynamically allocated copy of the given 32-bit - * value, converted to little-endian representation. - */ -void fw_cfg_add_i32(FWCfgState *s, uint16_t key, uint32_t value); - -/** - * fw_cfg_add_i64: - * @s: fw_cfg device being modified - * @key: selector key value for new fw_cfg item - * @value: 64-bit integer - * - * Add a new fw_cfg item, available by selecting the given key. The item - * data will consist of a dynamically allocated copy of the given 64-bit - * value, converted to little-endian representation. - */ -void fw_cfg_add_i64(FWCfgState *s, uint16_t key, uint64_t value); - -/** - * fw_cfg_add_file: - * @s: fw_cfg device being modified - * @filename: name of new fw_cfg file item - * @data: pointer to start of item data - * @len: size of item data - * - * Add a new NAMED fw_cfg item as a raw "blob" of the given size. The data - * referenced by the starting pointer is only linked, NOT copied, into the - * data structure of the fw_cfg device. - * The next available (unused) selector key starting at FW_CFG_FILE_FIRST - * will be used; also, a new entry will be added to the file directory - * structure residing at key value FW_CFG_FILE_DIR, containing the item name, - * data size, and assigned selector key value. - */ -void fw_cfg_add_file(FWCfgState *s, const char *filename, void *data, - size_t len); - -/** - * fw_cfg_add_file_callback: - * @s: fw_cfg device being modified - * @filename: name of new fw_cfg file item - * @callback: callback function - * @callback_opaque: argument to be passed into callback function - * @data: pointer to start of item data - * @len: size of item data - * - * Add a new NAMED fw_cfg item as a raw "blob" of the given size. The data - * referenced by the starting pointer is only linked, NOT copied, into the - * data structure of the fw_cfg device. - * The next available (unused) selector key starting at FW_CFG_FILE_FIRST - * will be used; also, a new entry will be added to the file directory - * structure residing at key value FW_CFG_FILE_DIR, containing the item name, - * data size, and assigned selector key value. - * Additionally, set a callback function (and argument) to be called each - * time this item is selected (by having its selector key either written to - * the fw_cfg control register, or passed to QEMU in FWCfgDmaAccess.control - * with FW_CFG_DMA_CTL_SELECT). - */ -void fw_cfg_add_file_callback(FWCfgState *s, const char *filename, - FWCfgReadCallback callback, void *callback_opaque, - void *data, size_t len); - -/** - * fw_cfg_modify_file: - * @s: fw_cfg device being modified - * @filename: name of new fw_cfg file item - * @data: pointer to start of item data - * @len: size of item data - * - * Replace a NAMED fw_cfg item. If an existing item is found, its callback - * information will be cleared, and a pointer to its data will be returned - * to the caller, so that it may be freed if necessary. If an existing item - * is not found, this call defaults to fw_cfg_add_file(), and NULL is - * returned to the caller. - * In either case, the new item data is only linked, NOT copied, into the - * data structure of the fw_cfg device. - * - * Returns: pointer to old item's data, or NULL if old item does not exist. - */ -void *fw_cfg_modify_file(FWCfgState *s, const char *filename, void *data, - size_t len); - -FWCfgState *fw_cfg_init_io_dma(uint32_t iobase, uint32_t dma_iobase, - AddressSpace *dma_as); -FWCfgState *fw_cfg_init_io(uint32_t iobase); -FWCfgState *fw_cfg_init_mem(hwaddr ctl_addr, hwaddr data_addr); -FWCfgState *fw_cfg_init_mem_wide(hwaddr ctl_addr, - hwaddr data_addr, uint32_t data_width, - hwaddr dma_addr, AddressSpace *dma_as); - -FWCfgState *fw_cfg_find(void); - -#endif |