qtest: add libqos including PCI support

This includes basic PCI support for the PC platform.  Enough
abstraction should be present to support non-PC platforms too.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1366123521-4330-3-git-send-email-aliguori@us.ibm.com

1 files changed, 80 insertions, 0 deletions

diff --git a/tests/libqos/pci.h b/tests/libqos/pci.h
new file mode 100644
index 0000000000..3439431540
--- /dev/null
+++ b/tests/libqos/pci.h
@@ -0,0 +1,80 @@
+/*
+ * libqos PCI bindings
+ *
+ * Copyright IBM, Corp. 2012-2013
+ *
+ * Authors:
+ *  Anthony Liguori   <aliguori@us.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef LIBQOS_PCI_H
+#define LIBQOS_PCI_H
+
+#include <stdint.h>
+
+#define QPCI_DEVFN(dev, fn) (((dev) << 3) | (fn))
+
+typedef struct QPCIDevice QPCIDevice;
+typedef struct QPCIBus QPCIBus;
+
+struct QPCIBus
+{
+    uint8_t (*io_readb)(QPCIBus *bus, void *addr);
+    uint16_t (*io_readw)(QPCIBus *bus, void *addr);
+    uint32_t (*io_readl)(QPCIBus *bus, void *addr);
+
+    void (*io_writeb)(QPCIBus *bus, void *addr, uint8_t value);
+    void (*io_writew)(QPCIBus *bus, void *addr, uint16_t value);
+    void (*io_writel)(QPCIBus *bus, void *addr, uint32_t value);
+
+    uint8_t (*config_readb)(QPCIBus *bus, int devfn, uint8_t offset);
+    uint16_t (*config_readw)(QPCIBus *bus, int devfn, uint8_t offset);
+    uint32_t (*config_readl)(QPCIBus *bus, int devfn, uint8_t offset);
+
+    void (*config_writeb)(QPCIBus *bus, int devfn,
+                          uint8_t offset, uint8_t value);
+    void (*config_writew)(QPCIBus *bus, int devfn,
+                          uint8_t offset, uint16_t value);
+    void (*config_writel)(QPCIBus *bus, int devfn,
+                          uint8_t offset, uint32_t value);
+
+    void *(*iomap)(QPCIBus *bus, QPCIDevice *dev, int barno);
+    void (*iounmap)(QPCIBus *bus, void *data);
+};
+
+struct QPCIDevice
+{
+    QPCIBus *bus;
+    int devfn;
+};
+
+void qpci_device_foreach(QPCIBus *bus, int vendor_id, int device_id,
+                         void (*func)(QPCIDevice *dev, int devfn, void *data),
+                         void *data);
+QPCIDevice *qpci_device_find(QPCIBus *bus, int devfn);
+
+void qpci_device_enable(QPCIDevice *dev);
+
+uint8_t qpci_config_readb(QPCIDevice *dev, uint8_t offset);
+uint16_t qpci_config_readw(QPCIDevice *dev, uint8_t offset);
+uint32_t qpci_config_readl(QPCIDevice *dev, uint8_t offset);
+
+void qpci_config_writeb(QPCIDevice *dev, uint8_t offset, uint8_t value);
+void qpci_config_writew(QPCIDevice *dev, uint8_t offset, uint16_t value);
+void qpci_config_writel(QPCIDevice *dev, uint8_t offset, uint32_t value);
+
+uint8_t qpci_io_readb(QPCIDevice *dev, void *data);
+uint16_t qpci_io_readw(QPCIDevice *dev, void *data);
+uint32_t qpci_io_readl(QPCIDevice *dev, void *data);
+
+void qpci_io_writeb(QPCIDevice *dev, void *data, uint8_t value);
+void qpci_io_writew(QPCIDevice *dev, void *data, uint16_t value);
+void qpci_io_writel(QPCIDevice *dev, void *data, uint32_t value);
+
+void *qpci_iomap(QPCIDevice *dev, int barno);
+void qpci_iounmap(QPCIDevice *dev, void *data);
+
+#endif