diff options
Diffstat (limited to 'qemu/roms/ipxe/src/include/ipxe/nvs.h')
-rw-r--r-- | qemu/roms/ipxe/src/include/ipxe/nvs.h | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/qemu/roms/ipxe/src/include/ipxe/nvs.h b/qemu/roms/ipxe/src/include/ipxe/nvs.h deleted file mode 100644 index 5789f4c0d..000000000 --- a/qemu/roms/ipxe/src/include/ipxe/nvs.h +++ /dev/null @@ -1,68 +0,0 @@ -#ifndef _IPXE_NVS_H -#define _IPXE_NVS_H - -/** @file - * - * Non-volatile storage - * - */ - -FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); - -#include <stdint.h> - -/** A non-volatile storage device */ -struct nvs_device { - /** Word length - * - * This is expressed as the base-2 logarithm of the word - * length in bytes. A value of 0 therefore translates as - * 8-bit words, and a value of 1 translates as 16-bit words. - */ - unsigned int word_len_log2; - /** Device size (in words) */ - unsigned int size; - /** Data block size (in words) - * - * This is the block size used by the device. It must be a - * power of two. Data reads and writes must not cross a block - * boundary. - * - * Many devices allow reads to cross a block boundary, and - * restrict only writes. For the sake of simplicity, we - * assume that the same restriction applies to both reads and - * writes. - */ - unsigned int block_size; - /** Read data from device - * - * @v nvs NVS device - * @v address Address from which to read - * @v data Data buffer - * @v len Length of data buffer - * @ret rc Return status code - * - * Reads may not cross a block boundary. - */ - int ( * read ) ( struct nvs_device *nvs, unsigned int address, - void *data, size_t len ); - /** Write data to device - * - * @v nvs NVS device - * @v address Address to which to write - * @v data Data buffer - * @v len Length of data buffer - * @ret rc Return status code - * - * Writes may not cross a block boundary. - */ - int ( * write ) ( struct nvs_device *nvs, unsigned int address, - const void *data, size_t len ); -}; - -extern int nvs_read ( struct nvs_device *nvs, unsigned int address, - void *data, size_t len ); -extern int nvs_write ( struct nvs_device *nvs, unsigned int address, - const void *data, size_t len ); - -#endif /* _IPXE_NVS_H */ |