Defining the internal implementation of a PCI device and related methods.
Signed-off-by: Christophe Milard <christophe.mil...@linaro.org>
---
platform/linux-generic/Makefile.am | 3 +
platform/linux-generic/include/odp/pci.h | 36 +++++++
.../linux-generic/include/odp/plat/pci_types.h | 40 ++++++++
platform/linux-generic/include/odp_pci_internal.h | 103 +++++++++++++++++++++
4 files changed, 182 insertions(+)
create mode 100644 platform/linux-generic/include/odp/pci.h
create mode 100644 platform/linux-generic/include/odp/plat/pci_types.h
create mode 100644 platform/linux-generic/include/odp_pci_internal.h
diff --git a/platform/linux-generic/Makefile.am
b/platform/linux-generic/Makefile.am
index d0938c9..1e1015d 100644
--- a/platform/linux-generic/Makefile.am
+++ b/platform/linux-generic/Makefile.am
@@ -33,6 +33,7 @@ odpinclude_HEADERS = \
$(srcdir)/include/odp/packet_flags.h \
$(srcdir)/include/odp/packet.h \
$(srcdir)/include/odp/packet_io.h \
+ $(srcdir)/include/odp/pci.h \
$(srcdir)/include/odp/pool.h \
$(srcdir)/include/odp/queue.h \
$(srcdir)/include/odp/random.h \
@@ -68,6 +69,7 @@ odpplatinclude_HEADERS = \
$(srcdir)/include/odp/plat/event_types.h \
$(srcdir)/include/odp/plat/packet_types.h \
$(srcdir)/include/odp/plat/packet_io_types.h \
+ $(srcdir)/include/odp/plat/pci_types.h \
$(srcdir)/include/odp/plat/pool_types.h \
$(srcdir)/include/odp/plat/queue_types.h \
$(srcdir)/include/odp/plat/rwlock_types.h \
@@ -105,6 +107,7 @@ noinst_HEADERS = \
${srcdir}/include/odp_packet_netmap.h \
${srcdir}/include/odp_packet_socket.h \
${srcdir}/include/odp_packet_tap.h \
+ ${srcdir}/include/odp_pci_internal.h \
${srcdir}/include/odp_pkt_queue_internal.h \
${srcdir}/include/odp_pool_internal.h \
${srcdir}/include/odp_queue_internal.h \
diff --git a/platform/linux-generic/include/odp/pci.h
b/platform/linux-generic/include/odp/pci.h
new file mode 100644
index 0000000..e00841e
--- /dev/null
+++ b/platform/linux-generic/include/odp/pci.h
@@ -0,0 +1,36 @@
+/* Copyright (c) 2015, Linaro Limited
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/**
+ * @file
+ *
+ * ODP PCI interface
+ */
+
+#include <odp/plat/pci_types.h>
+
+#ifndef ODP_PLAT_PCI_H_
+#define ODP_PLAT_PCI_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** @ingroup odp_pci
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+#include <odp/api/pci.h>
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/platform/linux-generic/include/odp/plat/pci_types.h
b/platform/linux-generic/include/odp/plat/pci_types.h
new file mode 100644
index 0000000..f9e3551
--- /dev/null
+++ b/platform/linux-generic/include/odp/plat/pci_types.h
@@ -0,0 +1,40 @@
+/* Copyright (c) 2015, Linaro Limited
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/**
+ * @file
+ *
+ * ODP PCI interface
+ */
+
+#ifndef ODP_PCI_TYPES_H_
+#define ODP_PCI_TYPES_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <odp/std_types.h>
+#include <odp/plat/strong_types.h>
+#include <odp/plat/pool_types.h>
+
+/** @addtogroup odp_pci
+ * @{
+ */
+
+/** PCI device */
+typedef ODP_HANDLE_T(odp_pci_dev_t);
+#define ODP_PCI_DEV_INVALID _odp_cast_scalar(odp_pci_dev_t, 0)
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/platform/linux-generic/include/odp_pci_internal.h
b/platform/linux-generic/include/odp_pci_internal.h
new file mode 100644
index 0000000..aa00f13
--- /dev/null
+++ b/platform/linux-generic/include/odp_pci_internal.h
@@ -0,0 +1,103 @@
+/* Copyright (c) 2015, Linaro Limited
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/**
+ * @file
+ *
+ * ODP pci interface - implementation internal
+ */
+
+#ifndef ODP_PCI_INTERNAL_H_
+#define ODP_PCI_INTERNAL_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <odp/std_types.h>
+#include <odp/pool.h>
+#include <odp/packet.h>
+#include <odp/debug.h>
+#include <odp/align.h>
+#include <odp_align_internal.h>
+#include <odp/config.h>
+#include <odp/byteorder.h>
+#include <odp/event.h>
+#include <odp_forward_typedefs_internal.h>
+
+/** @addtogroup odp_pci
+ * @{
+ */
+
+/** Maximum number of PCI resources. */
+#define _ODP_PCI_MAX_RESOURCE 6
+
+/** PCI address length (something like "0000:06:00.0" + NULL) */
+#define _ODP_PCI_ADDR_LEN 13
+
+/**
+ * A structure describing an ID for a PCI device.
+ */
+typedef struct pci_id_t {
+ uint16_t vendor_id; /**< Vendor ID or PCI_ANY_ID. */
+ uint16_t device_id; /**< Device ID or PCI_ANY_ID. */
+ uint16_t subsystem_vendor_id; /**< Subsystem vendor ID or PCI_ANY_ID. */
+ uint16_t subsystem_device_id; /**< Subsystem device ID or PCI_ANY_ID. */
+} pci_id_t;
+
+/**
+ * PCI resource (BAR map region)
+ */
+typedef struct pci_resource_t {
+ /** address (virtual, in user space) of the BAR region */
+ void *addr;
+ /** size of the region, in bytes */
+ uint64_t size;
+} pci_resource_t;
+
+/**
+ * PCI device
+ */
+typedef struct pci_dev_t {
+ /** the address of the device:format: "0000:23:00.0" */
+ char pci_address[_ODP_PCI_ADDR_LEN];
+ /** PCI id for this device */
+ pci_id_t pci_id;
+ /** the -up to 6- different PCI BAR regions that the device may have */
+ pci_resource_t bar_maps[_ODP_PCI_MAX_RESOURCE];
+ /** A pointer to whatever the PCI implementation (vfio, uio) needs */
+ void *implementation_data;
+} pci_dev_t;
+
+/**
+ * Initialise and map the PCI interface for the given pci address,
+ *
+ * @param pci_addr pci address to the baord that should be initialized and
+ * mapped, i.e. something like: "0000:23:00.0"
+ * @param pktio The packetio handle the interface belongs to.
+ *
+ * @returns a odp_pci_dev_t handle (PCI device)
+ * or ODP_PCI_DEV_INVALID on error,
+ */
+odp_pci_dev_t _odp_pci_init(const char *pci_addr);
+
+/**
+ * Release a PCI device
+ *
+ * @param pci_dev A handle to a pci device
+ *
+ */
+void _odp_pci_release(odp_pci_dev_t pci_dev);
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
--
2.1.4
_______________________________________________
lng-odp mailing list
lng-odp@lists.linaro.org
https://lists.linaro.org/mailman/listinfo/lng-odp
