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Code

Print PCI power state when the -v option is given.

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ok deraadt@, mpi@
This commit is contained in:
kettenis 2015-11-21 17:52:10 +00:00
parent 5c3de5b52a
commit 3a2eabfe81
1 changed files with 15 additions and 1 deletions
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16
usr.sbin/pcidump/pcidump.c
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@ -1,4 +1,4 @@
/* $OpenBSD: pcidump.c,v 1.37 2015/01/16 06:40:19 deraadt Exp $ */
/* $OpenBSD: pcidump.c,v 1.38 2015/11/21 17:52:10 kettenis Exp $ */
/*
* Copyright (c) 2006, 2007 David Gwynne <loki@animata.net>
@ -50,6 +50,7 @@ int pci_nfuncs(int, int);
int pci_read(int, int, int, u_int32_t, u_int32_t *);
int pci_readmask(int, int, int, u_int32_t, u_int32_t *);
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 print_pcie_ls(uint8_t);
int dump_rom(int, int, int);
@ -284,6 +285,17 @@ probe(int bus, int dev, int func)
return (0);
}
void
dump_pci_powerstate(int bus, int dev, int func, uint8_t ptr)
{
u_int32_t pmcsr;
if (pci_read(bus, dev, func, ptr + PCI_PMCSR, &pmcsr) != 0)
return;
printf("\t State: D%d\n", pmcsr & PCI_PMCSR_STATE_MASK);
}
void
print_pcie_ls(uint8_t speed)
{
@ -359,6 +371,8 @@ dump_caplist(int bus, int dev, int func, u_int8_t ptr)
if (cap >= nitems(pci_capnames))
cap = 0;
printf("%s\n", pci_capnames[cap]);
if (cap == PCI_CAP_PWRMGMT)
dump_pci_powerstate(bus, dev, func, ptr);
if (cap == PCI_CAP_PCIEXPRESS)
dump_pcie_linkspeed(bus, dev, func, ptr);
ptr = PCI_CAPLIST_NEXT(reg);