From e02cda008591317b1625707ff8e115a4841aa889 Mon Sep 17 00:00:00 2001
From: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Date: Tue, 10 Oct 2023 11:40:56 +0000
Subject: Introduce Virtio-loopback epsilon release:
Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.
Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9
---
tests/qtest/libqos/pci.h | 129 +++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 129 insertions(+)
create mode 100644 tests/qtest/libqos/pci.h
(limited to 'tests/qtest/libqos/pci.h')
diff --git a/tests/qtest/libqos/pci.h b/tests/qtest/libqos/pci.h
new file mode 100644
index 000000000..ee64fdecb
--- /dev/null
+++ b/tests/qtest/libqos/pci.h
@@ -0,0 +1,129 @@
+/*
+ * 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 "libqtest.h"
+#include "qgraph.h"
+
+#define QPCI_PIO_LIMIT 0x10000
+
+#define QPCI_DEVFN(dev, fn) (((dev) << 3) | (fn))
+
+typedef struct QPCIDevice QPCIDevice;
+typedef struct QPCIBus QPCIBus;
+typedef struct QPCIBar QPCIBar;
+typedef struct QPCIAddress QPCIAddress;
+
+struct QPCIBus {
+ uint8_t (*pio_readb)(QPCIBus *bus, uint32_t addr);
+ uint16_t (*pio_readw)(QPCIBus *bus, uint32_t addr);
+ uint32_t (*pio_readl)(QPCIBus *bus, uint32_t addr);
+ uint64_t (*pio_readq)(QPCIBus *bus, uint32_t addr);
+
+ void (*pio_writeb)(QPCIBus *bus, uint32_t addr, uint8_t value);
+ void (*pio_writew)(QPCIBus *bus, uint32_t addr, uint16_t value);
+ void (*pio_writel)(QPCIBus *bus, uint32_t addr, uint32_t value);
+ void (*pio_writeq)(QPCIBus *bus, uint32_t addr, uint64_t value);
+
+ void (*memread)(QPCIBus *bus, uint32_t addr, void *buf, size_t len);
+ void (*memwrite)(QPCIBus *bus, uint32_t addr, const void *buf, size_t len);
+
+ 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);
+
+ QTestState *qts;
+ uint16_t pio_alloc_ptr;
+ uint64_t mmio_alloc_ptr, mmio_limit;
+ bool has_buggy_msi; /* TRUE for spapr, FALSE for pci */
+
+};
+
+struct QPCIBar {
+ uint64_t addr;
+};
+
+struct QPCIDevice
+{
+ QPCIBus *bus;
+ int devfn;
+ bool msix_enabled;
+ QPCIBar msix_table_bar, msix_pba_bar;
+ uint64_t msix_table_off, msix_pba_off;
+};
+
+struct QPCIAddress {
+ uint32_t devfn;
+ uint16_t vendor_id;
+ uint16_t device_id;
+};
+
+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_init(QPCIDevice *dev, QPCIBus *bus, QPCIAddress *addr);
+
+bool qpci_has_buggy_msi(QPCIDevice *dev);
+bool qpci_check_buggy_msi(QPCIDevice *dev);
+
+void qpci_device_enable(QPCIDevice *dev);
+uint8_t qpci_find_capability(QPCIDevice *dev, uint8_t id, uint8_t start_addr);
+void qpci_msix_enable(QPCIDevice *dev);
+void qpci_msix_disable(QPCIDevice *dev);
+bool qpci_msix_pending(QPCIDevice *dev, uint16_t entry);
+bool qpci_msix_masked(QPCIDevice *dev, uint16_t entry);
+uint16_t qpci_msix_table_size(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, QPCIBar token, uint64_t off);
+uint16_t qpci_io_readw(QPCIDevice *dev, QPCIBar token, uint64_t off);
+uint32_t qpci_io_readl(QPCIDevice *dev, QPCIBar token, uint64_t off);
+uint64_t qpci_io_readq(QPCIDevice *dev, QPCIBar token, uint64_t off);
+
+void qpci_io_writeb(QPCIDevice *dev, QPCIBar token, uint64_t off,
+ uint8_t value);
+void qpci_io_writew(QPCIDevice *dev, QPCIBar token, uint64_t off,
+ uint16_t value);
+void qpci_io_writel(QPCIDevice *dev, QPCIBar token, uint64_t off,
+ uint32_t value);
+void qpci_io_writeq(QPCIDevice *dev, QPCIBar token, uint64_t off,
+ uint64_t value);
+
+void qpci_memread(QPCIDevice *bus, QPCIBar token, uint64_t off,
+ void *buf, size_t len);
+void qpci_memwrite(QPCIDevice *bus, QPCIBar token, uint64_t off,
+ const void *buf, size_t len);
+QPCIBar qpci_iomap(QPCIDevice *dev, int barno, uint64_t *sizeptr);
+void qpci_iounmap(QPCIDevice *dev, QPCIBar addr);
+QPCIBar qpci_legacy_iomap(QPCIDevice *dev, uint16_t addr);
+
+void qpci_unplug_acpi_device_test(QTestState *qs, const char *id, uint8_t slot);
+
+void add_qpci_address(QOSGraphEdgeOptions *opts, QPCIAddress *addr);
+#endif
--
cgit