svn commit: r351422 - head/usr.sbin/pciconf

[Alexander Motin]

Author: mav
Date: Fri Aug 23 15:17:04 2019
New Revision: 351422
URL: https://svnweb.freebsd.org/changeset/base/351422

Log:
  Report Clock Power Management support and status.
  
  Since we already report ASPM, why not to go further.
  
  MFC after:	2 weeks
  Sponsored by:	iXsystems, Inc.

Modified:
  head/usr.sbin/pciconf/cap.c

Modified: head/usr.sbin/pciconf/cap.c
==============================================================================
--- head/usr.sbin/pciconf/cap.c	Fri Aug 23 12:11:46 2019	(r351421)
+++ head/usr.sbin/pciconf/cap.c	Fri Aug 23 15:17:04 2019	(r351422)
@@ -515,6 +515,11 @@ 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 ((cap & PCIEM_LINK_CAP_CLOCK_PM) != 0) {
+		ctl = read_config(fd, &p->pc_sel, ptr + PCIER_LINK_CTL, 2);
+		printf(" ClockPM %s", (ctl & PCIEM_LINK_CTL_ECPM) ?
+		    "enabled" : "disabled");
+	}
 	if (!(flags & PCIEM_FLAGS_SLOT))
 		return;
 	cap = read_config(fd, &p->pc_sel, ptr + PCIER_SLOT_CAP, 4);