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dump pcie Device Serial Number capability values

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This commit is contained in:
dlg 2019-06-02 02:37:12 +00:00
parent 5c7d06e56e
commit 1f43da813d
1 changed files with 23 additions and 1 deletions
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24
usr.sbin/pcidump/pcidump.c
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@ -1,4 +1,4 @@
/* $OpenBSD: pcidump.c,v 1.53 2019/04/02 07:01:29 jmatthew Exp $ */
/* $OpenBSD: pcidump.c,v 1.54 2019/06/02 02:37:12 dlg Exp $ */
/*
* Copyright (c) 2006, 2007 David Gwynne <loki@animata.net>
@ -54,6 +54,7 @@ void dump_bars(int, int, int, int);
void dump_caplist(int, int, int, u_int8_t);
void dump_pci_powerstate(int, int, int, uint8_t);
void dump_pcie_linkspeed(int, int, int, uint8_t);
void dump_pcie_devserial(int, int, int, uint16_t);
void dump_msi(int, int, int, uint8_t);
void dump_msix(int, int, int, uint8_t);
void print_pcie_ls(uint8_t);
@ -399,6 +400,21 @@ dump_pcie_linkspeed(int bus, int dev, int func, uint8_t ptr)
printf("Link Width: x%d / x%d\n", swidth, cwidth);
}
void
dump_pcie_devserial(int bus, int dev, int func, u_int16_t ptr)
{
uint32_t lower, upper;
uint64_t serial;
if ((pci_read(bus, dev, func, ptr + 8, &upper) != 0) ||
(pci_read(bus, dev, func, ptr + 4, &lower) != 0))
return;
serial = ((uint64_t)upper << 32) | (uint64_t)lower;
printf("\t\tSerial Number: %016llx\n", serial);
}
void
dump_msi(int bus, int dev, int func, u_int8_t ptr)
{
@ -454,6 +470,12 @@ dump_pcie_enhanced_caplist(int bus, int dev, int func)
printf("\t0x%04x: Enhanced Capability 0x%02x: ", ptr, ecap);
printf("%s\n", pci_enhanced_capnames[capidx]);
switch (ecap) {
case 0x03:
dump_pcie_devserial(bus, dev, func, ptr);
break;
}
ptr = PCI_PCIE_ECAP_NEXT(reg);
} while (ptr != PCI_PCIE_ECAP_LAST);