1 files changed, 98 insertions, 0 deletions
diff --git a/src/spdk/lib/env_dpdk/env_internal.h b/src/spdk/lib/env_dpdk/env_internal.h
new file mode 100644
index 000000000..c7900d9d3
--- /dev/null
+++ b/src/spdk/lib/env_dpdk/env_internal.h
@@ -0,0 +1,98 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright (c) Intel Corporation.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef SPDK_ENV_INTERNAL_H
+#define SPDK_ENV_INTERNAL_H
+
+#include "spdk/stdinc.h"
+
+#include "spdk/env.h"
+
+#include <rte_config.h>
+#include <rte_version.h>
+#include <rte_eal.h>
+#include <rte_bus.h>
+#include <rte_pci.h>
+#include <rte_bus_pci.h>
+#include <rte_dev.h>
+
+#if RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0)
+#error RTE_VERSION is too old! Minimum 18.11 is required.
+#endif
+
+/* x86-64 and ARM userspace virtual addresses use only the low 48 bits [0..47],
+ * which is enough to cover 256 TB.
+ */
+#define SHIFT_256TB	48 /* (1 << 48) == 256 TB */
+#define MASK_256TB	((1ULL << SHIFT_256TB) - 1)
+
+#define SHIFT_1GB	30 /* (1 << 30) == 1 GB */
+#define MASK_1GB	((1ULL << SHIFT_1GB) - 1)
+
+#define SPDK_PCI_DRIVER_MAX_NAME_LEN 32
+struct spdk_pci_driver {
+	struct rte_pci_driver		driver;
+
+	const char                      *name;
+	const struct spdk_pci_id	*id_table;
+	uint32_t			drv_flags;
+
+	spdk_pci_enum_cb		cb_fn;
+	void				*cb_arg;
+	TAILQ_ENTRY(spdk_pci_driver)	tailq;
+};
+
+int pci_device_init(struct rte_pci_driver *driver, struct rte_pci_device *device);
+int pci_device_fini(struct rte_pci_device *device);
+
+void pci_env_init(void);
+void pci_env_reinit(void);
+void pci_env_fini(void);
+int mem_map_init(bool legacy_mem);
+int vtophys_init(void);
+
+/**
+ * Report a DMA-capable PCI device to the vtophys translation code.
+ * Increases the refcount of active DMA-capable devices managed by SPDK.
+ * This must be called after a `rte_pci_device` is created.
+ */
+void vtophys_pci_device_added(struct rte_pci_device *pci_device);
+
+/**
+ * Report the removal of a DMA-capable PCI device to the vtophys translation code.
+ * Decreases the refcount of active DMA-capable devices managed by SPDK.
+ * This must be called before a `rte_pci_device` is destroyed.
+ */
+void vtophys_pci_device_removed(struct rte_pci_device *pci_device);
+
+#endif