From: David Kiarie <davidkiarie4@gmail.com>
To: qemu-devel@nongnu.org
Cc: marcel@redhat.com, mst@redhat.com, peterx@redhat.com,
alex.williamson@redhat.com, valentine.sinitsyn@gmail.com,
jan.kiszka@web.de, ehabkost@redhat.com,
David Kiarie <davidkiarie4@gmail.com>
Subject: [Qemu-devel] [V13 1/4] hw/pci: Prepare for AMD IOMMU
Date: Fri, 8 Jul 2016 11:18:20 +0300 [thread overview]
Message-ID: <1467965903-22766-2-git-send-email-davidkiarie4@gmail.com> (raw)
In-Reply-To: <1467965903-22766-1-git-send-email-davidkiarie4@gmail.com>
Introduce PCI macros from for use by AMD IOMMU
Signed-off-by: David Kiarie <davidkiarie4@gmail.com>
---
include/hw/pci/pci.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index 9ed1624..959d05b 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -11,11 +11,14 @@
#include "hw/pci/pcie.h"
/* PCI bus */
-
+#define PCI_BDF(bus, devfn) ((((uint16_t)(bus)) << 8) | (devfn))
#define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07))
+#define PCI_BUS_NUM(x) (((x) >> 8) & 0xff)
#define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f)
#define PCI_FUNC(devfn) ((devfn) & 0x07)
#define PCI_BUILD_BDF(bus, devfn) ((bus << 8) | (devfn))
+#define PCI_BUS_MAX 256
+#define PCI_DEVFN_MAX 256
#define PCI_SLOT_MAX 32
#define PCI_FUNC_MAX 8
--
2.1.4
next prev parent reply other threads:[~2016-07-08 8:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-08 8:18 [Qemu-devel] [V13 0/4] AMD IOMMU David Kiarie
2016-07-08 8:18 ` David Kiarie [this message]
2016-07-08 8:18 ` [Qemu-devel] [V13 2/4] hw/i386/trace-events: Add AMD IOMMU trace events David Kiarie
2016-07-08 8:18 ` [Qemu-devel] [V13 3/4] hw/i386: Introduce AMD IOMMU David Kiarie
2016-07-08 16:30 ` Alex Williamson
2016-07-11 6:10 ` David Kiarie
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