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688a41c290
Instead of "#include <x86/foo.h>", use "#include <asm/foo.h>". In other words, we are adopting the same practice in Linux kernel. Tracked-On: #5920 Signed-off-by: Liang Yi <yi.liang@intel.com> Reviewed-by: Jason Chen CJ <jason.cj.chen@intel.com>
102 lines
3.7 KiB
Python
102 lines
3.7 KiB
Python
# Copyright (C) 2019 Intel Corporation. All rights reserved.
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#
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# SPDX-License-Identifier: BSD-3-Clause
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#
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import common
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import scenario_cfg_lib
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import board_cfg_lib
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IVSHMEM_HEADER_DEFINE = scenario_cfg_lib.HEADER_LICENSE + r"""
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#ifndef IVSHMEM_CFG_H
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#define IVSHMEM_CFG_H
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"""
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IVSHMEM_END_DEFINE = r"""#endif /* IVSHMEM_CFG_H */"""
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def gen_common_header(config):
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"""
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This is common header for ivshmem_cfg.h
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:param config: it is the pointer which file write to
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:return: None
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"""
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print("{0}".format(IVSHMEM_HEADER_DEFINE), file=config)
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def write_shmem_regions(config):
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raw_shmem_regions = common.get_hv_item_tag(common.SCENARIO_INFO_FILE, "FEATURES", "IVSHMEM", "IVSHMEM_REGION")
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shmem_regions = []
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shmem_dev_num = 0
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for raw_shm in raw_shmem_regions:
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if raw_shm is None or raw_shm.strip() == '':
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continue
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raw_shm_splited = raw_shm.split(',')
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if len(raw_shm_splited) == 3 and raw_shm_splited[0].strip() != '' \
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and raw_shm_splited[1].strip() != '' and len(raw_shm_splited[2].strip().split(':')) >= 1:
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shmem_regions.append((raw_shm_splited[0].strip(), raw_shm_splited[1].strip(), raw_shm_splited[2].strip().split(':')))
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shmem_dev_num += len(raw_shm_splited[2].strip().split(':'))
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if len(shmem_regions) > 0:
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shmem_cnt = 0
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print("", file=config)
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for shmem_region in shmem_regions:
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print("#define IVSHMEM_SHM_REGION_%d\t"%shmem_cnt, end="", file=config)
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print('"{}"'.format(shmem_region[0]), file=config)
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shmem_cnt += 1
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print("", file=config)
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print("/*", file=config)
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print(" * The IVSHMEM_SHM_SIZE is the sum of all memory regions.", file=config)
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print(" * The size range of each memory region is [2MB, 512MB] and is a power of 2.", file=config)
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print(" */", file=config)
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total_shm_size = 0
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if len(shmem_regions) > 0:
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for shmem_region in shmem_regions:
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int_size = 0
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size = shmem_region[1]
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try:
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int_size = int(size) * 0x100000
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except Exception as e:
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print('the format of shm size error: ', str(e))
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total_shm_size += int_size
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print("#define IVSHMEM_SHM_SIZE\t{}UL".format(hex(total_shm_size)), file=config)
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print("#define IVSHMEM_DEV_NUM\t\t{}UL".format(shmem_dev_num), file=config)
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print("", file=config)
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print("/* All user defined memory regions */", file=config)
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if len(shmem_regions) == 0:
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print("#define IVSHMEM_SHM_REGIONS", file=config)
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else:
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print("#define IVSHMEM_SHM_REGIONS \\", file=config)
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shmem_cnt = 0
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for shmem in shmem_regions:
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print("\t{ \\", file=config)
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print('\t\t.name = IVSHMEM_SHM_REGION_{}, \\'.format(shmem_cnt), file=config)
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try:
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int_size = int(shmem[1]) * 0x100000
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except:
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int_size = 0
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print('\t\t.size = {}UL,\t\t/* {}M */ \\'.format(hex(int_size), shmem[1]), file=config)
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if shmem_cnt < len(shmem_regions) - 1:
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print("\t}, \\", file=config)
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else:
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print("\t},", file=config)
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shmem_cnt += 1
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print("", file=config)
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def generate_file(scenario_items, config):
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"""
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Start to generate ivshmem_cfg.h
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:param scenario_items: it is the class which contain all user setting information
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:param config: it is a file pointer of scenario information for writing to
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"""
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vm_info = scenario_items['vm']
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gen_common_header(config)
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if vm_info.shmem.shmem_enabled == 'y':
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print("#include <ivshmem.h>", file=config)
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print("#include <asm/pgtable.h>", file=config)
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write_shmem_regions(config)
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print("{0}".format(IVSHMEM_END_DEFINE), file=config)
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