From f113e30f6563dfc57bc40cf991a22d7c3eb4c136 Mon Sep 17 00:00:00 2001
From: Mark Kettenis <kettenis@cvs.openbsd.org>
Date: Sun, 26 Jun 2011 18:20:37 +0000
Subject: Implement pci_intr_map_msi().

---
 sys/arch/sparc64/dev/pci_machdep.c | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

(limited to 'sys/arch/sparc64/dev/pci_machdep.c')

diff --git a/sys/arch/sparc64/dev/pci_machdep.c b/sys/arch/sparc64/dev/pci_machdep.c
index 964063c2ef5..04aae58666f 100644
--- a/sys/arch/sparc64/dev/pci_machdep.c
+++ b/sys/arch/sparc64/dev/pci_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: pci_machdep.c,v 1.40 2010/12/04 17:06:32 miod Exp $	*/
+/*	$OpenBSD: pci_machdep.c,v 1.41 2011/06/26 18:20:36 kettenis Exp $	*/
 /*	$NetBSD: pci_machdep.c,v 1.22 2001/07/20 00:07:13 eeh Exp $	*/
 
 /*
@@ -403,6 +403,20 @@ pci_intr_map(pa, ihp)
 		return (0);
 }
 
+int
+pci_intr_map_msi(struct pci_attach_args *pa, pci_intr_handle_t *ihp)
+{
+	pci_chipset_tag_t pc = pa->pa_pc;
+	pcitag_t tag = pa->pa_tag;
+
+	if ((pa->pa_flags & PCI_FLAGS_MSI_ENABLED) == 0 ||
+	    pci_get_capability(pc, tag, PCI_CAP_MSI, NULL, NULL) == 0)
+		return (-1);
+
+	*ihp = PCITAG_OFFSET(pa->pa_tag) | PCI_INTR_MSI;
+	return (0);
+}
+
 int
 pci_intr_line(pci_chipset_tag_t pc, pci_intr_handle_t ih)
 {
@@ -417,7 +431,10 @@ pci_intr_string(pc, ih)
 	static char str[16];
 
 	DPRINTF(SPDB_INTR, ("pci_intr_string: ih %u", ih));
-	snprintf(str, sizeof str, "ivec 0x%x", INTVEC(ih));
+	if (ih & PCI_INTR_MSI)
+		snprintf(str, sizeof str, "msi");
+	else
+		snprintf(str, sizeof str, "ivec 0x%x", INTVEC(ih));
 	DPRINTF(SPDB_INTR, ("; returning %s\n", str));
 
 	return (str);
-- 
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