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Print status of ARI capability in pciconf -c

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Teach pciconf how to print out the status (enabled/disabled) of the ARI
capability on PCI Root Complexes and Downstream Ports.

MFC after:	2 months
Sponsored by:	Sandvine Inc.
This commit is contained in:
Ryan Stone 2014-04-01 16:03:52 +00:00
parent 55d3ea1731
commit 4cf825f637
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=264012
1 changed files with 7 additions and 1 deletions
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8
usr.sbin/pciconf/cap.c
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@ -410,7 +410,7 @@ aspm_string(uint8_t aspm)
static void
cap_express(int fd, struct pci_conf *p, uint8_t ptr)
{
uint32_t cap;
uint32_t cap, cap2;
uint16_t ctl, flags, sta;
flags = read_config(fd, &p->pc_sel, ptr + PCIER_FLAGS, 2);
@ -452,6 +452,7 @@ cap_express(int fd, struct pci_conf *p, uint8_t ptr)
if (flags & PCIEM_FLAGS_IRQ)
printf(" IRQ %d", (flags & PCIEM_FLAGS_IRQ) >> 9);
cap = read_config(fd, &p->pc_sel, ptr + PCIER_DEVICE_CAP, 4);
cap2 = read_config(fd, &p->pc_sel, ptr + PCIER_DEVICE_CAP2, 4);
ctl = read_config(fd, &p->pc_sel, ptr + PCIER_DEVICE_CTL, 2);
printf(" max data %d(%d)",
MAX_PAYLOAD((ctl & PCIEM_CTL_MAX_PAYLOAD) >> 5),
@ -474,6 +475,11 @@ cap_express(int fd, struct pci_conf *p, uint8_t ptr)
printf(" ASPM %s(%s)", aspm_string(ctl & PCIEM_LINK_CTL_ASPMC),
aspm_string((cap & PCIEM_LINK_CAP_ASPM) >> 10));
}
if ((cap2 & PCIEM_CAP2_ARI) != 0) {
ctl = read_config(fd, &p->pc_sel, ptr + PCIER_DEVICE_CTL2, 4);
printf(" ARI %s",
(ctl & PCIEM_CTL2_ARI) ? "enabled" : "disabled");
}
}
static void