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author | Pali Rohár <pali@kernel.org> | 2022-02-25 19:12:09 +0100 |
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committer | Martin Mares <mj@ucw.cz> | 2022-02-26 11:52:04 +0100 |
commit | cac545f64e6f5863b430f5b94442b777aa7f1165 (patch) | |
tree | 27cde5f5158874e48b998985686cd1c1ead5804d | |
parent | ae693fcab9b636bf0e521f38060398417c3cf3d9 (diff) | |
download | pciutils-cac545f64e6f5863b430f5b94442b777aa7f1165.tar.gz |
lspci: Decode PCIe 6.0 Slot Power Limit values
When the Slot Power Limit Scale field equals 00b (1.0x) and Slot
Power Limit Value exceeds EFh, the following alternative encodings
are used:
F0h > 239 W and ≤ 250 W Slot Power Limit
F1h > 250 W and ≤ 275 W Slot Power Limit
F2h > 275 W and ≤ 300 W Slot Power Limit
F3h > 300 W and ≤ 325 W Slot Power Limit
F4h > 325 W and ≤ 350 W Slot Power Limit
F5h > 350 W and ≤ 375 W Slot Power Limit
F6h > 375 W and ≤ 400 W Slot Power Limit
F7h > 400 W and ≤ 425 W Slot Power Limit
F8h > 425 W and ≤ 450 W Slot Power Limit
F9h > 450 W and ≤ 475 W Slot Power Limit
FAh > 475 W and ≤ 500 W Slot Power Limit
FBh > 500 W and ≤ 525 W Slot Power Limit
FCh > 525 W and ≤ 550 W Slot Power Limit
FDh > 550 W and ≤ 575 W Slot Power Limit
FEh > 575 W and ≤ 600 W Slot Power Limit
FFh Reserved for Slot Power Limit Values above 600 W
Previously only values F0h, F1h and F2h were covered.
-rw-r--r-- | ls-caps.c | 16 |
1 files changed, 7 insertions, 9 deletions
@@ -659,18 +659,16 @@ static int exp_downstream_port(int type) static void show_power_limit(int value, int scale) { static const float scales[4] = { 1.0, 0.1, 0.01, 0.001 }; - static const int scale0_values[3] = { 250, 275, 300 }; - if (scale == 0 && value >= 0xF0) + if (scale == 0 && value == 0xFF) { - /* F3h to FFh = Reserved for Slot Power Limit values above 300 W */ - if (value >= 0xF3) - { - printf(">300W"); - return; - } - value = scale0_values[value - 0xF0]; + printf(">600W"); + return; } + + if (scale == 0 && value >= 0xF0 && value <= 0xFE) + value = 250 + 25 * (value - 0xF0); + printf("%gW", value * scales[scale]); } |