78 lines
1.9 KiB
Python
78 lines
1.9 KiB
Python
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import time
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import argparse
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from config import *
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sector_size = 512
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class SATABISTDriver:
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def __init__(self, regs):
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self.regs = regs
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self.last_sector = 0
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self.last_time = time.time()
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self.last_errors = 0
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self.mode = "rw"
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def set_mode(self, mode):
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self.mode = mode
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self.regs.bist_write_only.write(0)
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self.regs.bist_read_only.write(0)
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if mode == "wr":
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self.regs.bist_write_only.write(1)
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if mode == "rd":
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self.regs.bist_read_only.write(1)
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def start(self, sector, count, mode):
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self.set_mode(mode)
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self.regs.bist_start_sector.write(sector)
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self.regs.bist_count.write(count)
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self.regs.bist_stop.write(0)
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self.regs.bist_start.write(1)
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def stop(self):
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self.regs.bist_stop.write(1)
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def show_status(self):
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errors = self.regs.bist_errors.read() - self.last_errors
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self.last_errors += errors
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sector = self.regs.bist_sector.read()
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n = sector - self.last_sector
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self.last_sector = sector
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t = self.last_time - time.time()
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self.last_time = time.time()
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if self.mode in ["wr", "rd"]:
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speed_mult = 1
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else:
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speed_mult = 2
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print("%4.2f MB/sec errors=%d sector=%d" %(n*sector_size*speed_mult/(1024*1024), errors, sector))
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def _get_args():
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parser = argparse.ArgumentParser(formatter_class=argparse.RawDescriptionHelpFormatter,
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description="""\
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SATA BIST utility.
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""")
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parser.add_argument("-s", "--sector", default=0, help="BIST start sector")
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parser.add_argument("-c", "--count", default=4, help="BIST count (number of sectors per transaction)")
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parser.add_argument("-m", "--mode", default="rw", help="BIST mode (rw, wr, rd")
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return parser.parse_args()
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if __name__ == "__main__":
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args = _get_args()
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wb.open()
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###
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bist = SATABISTDriver(wb.regs)
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try:
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bist.start(int(args.sector), int(args.count), args.mode)
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while True:
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bist.show_status()
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time.sleep(1)
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except KeyboardInterrupt:
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pass
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bist.stop()
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###
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wb.close()
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