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add some msi and msi-x details

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ok dlg@ kettenis@
This commit is contained in:
jmatthew 2019-04-02 07:01:29 +00:00
parent 4d864e8f52
commit dda8f56e64
1 changed files with 37 additions and 1 deletions
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38
usr.sbin/pcidump/pcidump.c
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@ -1,4 +1,4 @@
/* $OpenBSD: pcidump.c,v 1.52 2019/03/12 01:46:21 dlg Exp $ */
/* $OpenBSD: pcidump.c,v 1.53 2019/04/02 07:01:29 jmatthew Exp $ */
/*
* Copyright (c) 2006, 2007 David Gwynne <loki@animata.net>
@ -54,6 +54,8 @@ 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_msi(int, int, int, uint8_t);
void dump_msix(int, int, int, uint8_t);
void print_pcie_ls(uint8_t);
int dump_rom(int, int, int);
int dump_vga_bios(void);
@ -397,6 +399,34 @@ dump_pcie_linkspeed(int bus, int dev, int func, uint8_t ptr)
printf("Link Width: x%d / x%d\n", swidth, cwidth);
}
void
dump_msi(int bus, int dev, int func, u_int8_t ptr)
{
u_int32_t reg;
if (pci_read(bus, dev, func, ptr, &reg) != 0)
return;
printf("\t\tEnabled: %s\n", reg & PCI_MSI_MC_MSIE ? "yes" : "no");
}
void
dump_msix(int bus, int dev, int func, u_int8_t ptr)
{
u_int32_t reg;
u_int32_t table;
if ((pci_read(bus, dev, func, ptr, &reg) != 0) ||
(pci_read(bus, dev, func, ptr + PCI_MSIX_TABLE, &table) != 0))
return;
printf("\t\tEnabled: %s; table size %d (BAR %d:%d)\n",
reg & PCI_MSIX_MC_MSIXE ? "yes" : "no",
PCI_MSIX_MC_TBLSZ(reg) + 1,
(table & PCI_MSIX_TABLE_BIR),
(table & PCI_MSIX_TABLE_OFF));
}
void
dump_pcie_enhanced_caplist(int bus, int dev, int func)
{
@ -459,6 +489,12 @@ dump_caplist(int bus, int dev, int func, u_int8_t ptr)
dump_pcie_linkspeed(bus, dev, func, ptr);
dump_pcie_enhanced_caplist(bus, dev, func);
break;
case PCI_CAP_MSI:
dump_msi(bus, dev,func, ptr);
break;
case PCI_CAP_MSIX:
dump_msix(bus, dev, func, ptr);
break;
}
ptr = PCI_CAPLIST_NEXT(reg);
}