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Date:      Tue, 1 Apr 2014 16:03:52 +0000 (UTC)
From:      Ryan Stone <rstone@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r264012 - head/usr.sbin/pciconf
Message-ID:  <201404011603.s31G3qvl056558@svn.freebsd.org>
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Author: rstone
Date: Tue Apr  1 16:03:52 2014
New Revision: 264012
URL: http://svnweb.freebsd.org/changeset/base/264012

Log:
  Print status of ARI capability in pciconf -c
  
  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.

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

Modified: head/usr.sbin/pciconf/cap.c
==============================================================================
--- head/usr.sbin/pciconf/cap.c	Tue Apr  1 16:02:02 2014	(r264011)
+++ head/usr.sbin/pciconf/cap.c	Tue Apr  1 16:03:52 2014	(r264012)
@@ -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, 
 	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, 
 		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

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