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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,200 @@ | ||
| #!/usr/bin/env python3 | ||
| # Copyright(c) 2023, Silicom Denmark A/S | ||
| # | ||
| # Redistribution and use in source and binary forms, with or without | ||
| # modification, are permitted provided that the following conditions are met: | ||
| # | ||
| # * Redistributions of source code must retain the above copyright notice, | ||
| # this list of conditions and the following disclaimer. | ||
| # * Redistributions in binary form must reproduce the above copyright notice, | ||
| # this list of conditions and the following disclaimer in the documentation | ||
| # and/or other materials provided with the distribution. | ||
| # * Neither the name of Intel Corporation nor the names of its contributors | ||
| # may be used to endorse or promote products derived from this software | ||
| # without specific prior written permission. | ||
| # | ||
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
| # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | ||
| # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
| # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
| # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
| # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
| # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
| # POSSIBILITY OF SUCH DAMAGE.import opae.admin.tools.regmap_debugfs as regm | ||
|
|
||
| import argparse | ||
| import math | ||
| import sys | ||
| import re | ||
| import os | ||
|
|
||
| import opae.admin.tools.regmap_debugfs as regm | ||
| from opae.admin.utils import max10_or_nios_version | ||
| from opae.admin.fpga import fpga | ||
|
|
||
| regmap_path = '/sys/kernel/debug/regmap/' | ||
|
|
||
| PCI_VENDOR_ID_SILICOM_DENMARK = 0x1c2c | ||
| N5010_BMC_VERSION_QSFP_RXPWR = 0x10c00 # version 1.12.0 | ||
|
|
||
| N5010_BMC_OFFSET = 0x300800 | ||
| N5010_QSFP0_RXPWR = 0x1c8 | ||
| N5010_PHY_CSR_0 = 0x40c | ||
| N5010_PHY_CSR_1 = 0x410 | ||
| N5010_PHY_ABSENT_0 = 1 << 7 | ||
| N5010_PHY_ABSENT_1 = 1 << 23 | ||
|
|
||
|
|
||
| def normalize_bdf(bdf): | ||
| pat = r'[0-9a-fA-F]{4}:[0-9a-fA-F]{2}:[0-9a-fA-F]{2}\.[0-9a-fA-F]$' | ||
| if re.match(pat, bdf): | ||
| return bdf | ||
|
|
||
| if re.match(r'[0-9a-fA-F]{2}:[0-9a-fA-F]{2}\.[0-9a-fA-F]$', bdf): | ||
| return "0000:{}".format(bdf) | ||
| sys.stderr.write('invalid bdf: {}\n'.format(bdf)) | ||
| raise SystemExit(os.EX_USAGE) | ||
|
|
||
|
|
||
| def init_regmap(regmap_dir): | ||
| """Returns an initialized regmap object""" | ||
| try: | ||
| regm.is_regmap_dir(regmap_dir) | ||
| except argparse.ArgumentTypeError: | ||
| sys.stderr.write( | ||
| 'Regmap not found, path name: {}. Root privileges required.\n'. | ||
| format(regmap_dir)) | ||
| raise SystemExit(os.EX_UNAVAILABLE) | ||
|
|
||
| regmap = regm.RegmapDebugfs(regmap_dir) | ||
| regmap.get_range_info() | ||
| regmap.get_register_info() | ||
| return regmap | ||
|
|
||
|
|
||
| def read_power(regmap): | ||
| """Returns list for each QSFP of list of Rx pwr""" | ||
| qsfps = [] | ||
| for i in range(0, 16, 4): | ||
| rx_pwrs = [] | ||
| addr = N5010_BMC_OFFSET + N5010_QSFP0_RXPWR + i | ||
| val = regmap.reg_read(addr) | ||
|
|
||
| for f in range(0, 4): | ||
| pwr = val & 0xff | ||
| rx_pwrs.append(pwr) | ||
| val >>= 8 | ||
| qsfps.append(rx_pwrs) | ||
| return qsfps | ||
|
|
||
|
|
||
| def read_qsfp_insert(regmap): | ||
| """Returns list of QSFP present bools.""" | ||
| qsfps = [] | ||
| for p in range(0, 4): | ||
| if p == 0: | ||
| offset = N5010_PHY_CSR_1 | ||
| bit = N5010_PHY_ABSENT_0 | ||
| elif p == 1: | ||
| offset = N5010_PHY_CSR_1 | ||
| bit = N5010_PHY_ABSENT_1 | ||
| elif p == 2: | ||
| offset = N5010_PHY_CSR_0 | ||
| bit = N5010_PHY_ABSENT_0 | ||
| elif p == 3: | ||
| offset = N5010_PHY_CSR_0 | ||
| bit = N5010_PHY_ABSENT_1 | ||
|
|
||
| val = regmap.reg_read(N5010_BMC_OFFSET + offset) | ||
| val &= bit | ||
| present = (val == 0) | ||
| qsfps.append(present) | ||
| return qsfps | ||
|
|
||
|
|
||
| def pwr2str(qsfps, unit): | ||
| out = [] | ||
| for rx_pwrs in qsfps: | ||
| out2 = [] | ||
| for rx_pwr in rx_pwrs: | ||
| if rx_pwr == 0: | ||
| out3 = " NA" | ||
| else: | ||
| # val read is in steps of 25.6 uW | ||
| val = 25.6 * rx_pwr | ||
| if unit == 'uW': | ||
| out3 = f"{val:>5.0f}" | ||
| else: | ||
| # conversion from uW to dBm | ||
| val = 10.0 * math.log10(val * 0.001) | ||
| out3 = f"{val:>5.2f}" | ||
| out2.append(out3) | ||
| out.append(out2) | ||
| return out | ||
|
|
||
|
|
||
| def print_power(qsfps, uW, qspfs_insert): | ||
| """Print QSFP present and Rx pwr in chosen unit for each QSFP""" | ||
| if uW: | ||
| unit = 'uW' | ||
| else: | ||
| unit = 'dbm' | ||
| val = pwr2str(qsfps, unit) | ||
| port = 0 | ||
| print("RX pwr: present\t lane1 \t lane2 \t lane3 \t lane4 \t unit") | ||
| for qsfp, present in zip(val, qspfs_insert): | ||
| if present: | ||
| qsfp_present = f"yes" | ||
| else: | ||
| qsfp_present = f"no" | ||
| p_str = f"Port {port}: {qsfp_present:>7s}\t {qsfp[0]:s}\t " +\ | ||
| f"{qsfp[1]:s}\t {qsfp[2]:s}\t {qsfp[3]:s}\t {unit}" | ||
| print(p_str) | ||
| port += 1 | ||
|
|
||
|
|
||
| def main(): | ||
| descr = 'Show QSFP status and optical Rx power levels for N501x card(s)' | ||
| parser = argparse.ArgumentParser(description=descr) | ||
| parser.add_argument('bdf', nargs='?', | ||
| help=('PCIe address ' | ||
| '(eg 04:00.0 or 0000:04:00.0)')) | ||
| parser.add_argument('--uW', action='store_true', | ||
| help='output in mW instead of dBm') | ||
|
|
||
| args = parser.parse_args() | ||
| if args.bdf: | ||
| args.bdf = normalize_bdf(args.bdf) | ||
| compatible = fpga.enum([ | ||
| {'pci_node.pci_address': str(args.bdf), | ||
| 'pci_node.vendor_id': PCI_VENDOR_ID_SILICOM_DENMARK} | ||
| ]) | ||
| else: | ||
| compatible = fpga.enum([ | ||
| {'pci_node.vendor_id': PCI_VENDOR_ID_SILICOM_DENMARK} | ||
| ]) | ||
|
|
||
| if not compatible: | ||
| sys.stderr.write('No compatible devices found\n') | ||
| raise SystemExit(os.EX_USAGE) | ||
|
|
||
| for c in compatible: | ||
| print("\nQSFP info for card at: {}".format(c.pci_node.pci_address)) | ||
| spi_bus = str(c.fme.spi_bus) | ||
|
|
||
| if not (c.fme.bmcfw_version >= | ||
| max10_or_nios_version(N5010_BMC_VERSION_QSFP_RXPWR)): | ||
| sys.stderr.write( | ||
| f'Device with BMC {c.fme.bmcfw_version} not supported\n') | ||
| else: | ||
| regmap = init_regmap(regmap_path+spi_bus) | ||
| rx_pwrs = read_power(regmap) | ||
| qsfps_insert = read_qsfp_insert(regmap) | ||
| print_power(rx_pwrs, args.uW, qsfps_insert) | ||
|
|
||
|
|
||
| if __name__ == "__main__": | ||
| main() |
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