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