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tools/arch/x86/intel_sdsi: Fix meter_certificate decoding

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[ Upstream commit 09d70ded6c566fd00886be32c26d0b2004ef239c ]

Fix errors in the calculation of the start position of the counters and in
the display loop. While here, use a #define for the bundle count and size.

Fixes: 7fdc03a737 ("tools/arch/x86: intel_sdsi: Add support for reading meter certificates")
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240411025856.2782476-8-david.e.box@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
David E. Box 2024-04-10 19:58:54 -07:00 • committed by Greg Kroah-Hartman
parent 8af4923b04
commit ec653f4474
1 changed files with 4 additions and 3 deletions
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7
tools/arch/x86/intel_sdsi/intel_sdsi.c
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@ -394,7 +394,7 @@ static int sdsi_meter_cert_show(struct sdsi_dev *s)
printf("MMRC encoding: %.4s\n", name);
printf("MMRC counter: %d\n", mc->mmrc_counter);
if (mc->bundle_length % 8) {
if (mc->bundle_length % METER_BUNDLE_SIZE) {
fprintf(stderr, "Invalid bundle length\n");
return -1;
}
@ -405,15 +405,16 @@ static int sdsi_meter_cert_show(struct sdsi_dev *s)
return -1;
}
bec = (void *)(mc) + sizeof(mc);
bec = (struct bundle_encoding_counter *)(mc + 1);
printf("Number of Feature Counters: %ld\n", BUNDLE_COUNT(mc->bundle_length));
while (count++ < mc->bundle_length / 8) {
while (count < BUNDLE_COUNT(mc->bundle_length)) {
char feature[5];
feature[4] = '\0';
get_feature(bec[count].encoding, feature);
printf(" %s: %d\n", feature, bec[count].counter);
++count;
}
return 0;