Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / remoteproc / remoteproc_internal.h

diff --git a/kernel/drivers/remoteproc/remoteproc_internal.h b/kernel/drivers/remoteproc/remoteproc_internal.h
new file mode 100644 (file)
index 0000000..70701a5
--- /dev/null
+++ b/kernel/drivers/remoteproc/remoteproc_internal.h
@@ -0,0 +1,120 @@
+/*
+ * Remote processor framework
+ *
+ * Copyright (C) 2011 Texas Instruments, Inc.
+ * Copyright (C) 2011 Google, Inc.
+ *
+ * Ohad Ben-Cohen <ohad@wizery.com>
+ * Brian Swetland <swetland@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef REMOTEPROC_INTERNAL_H
+#define REMOTEPROC_INTERNAL_H
+
+#include <linux/irqreturn.h>
+#include <linux/firmware.h>
+
+struct rproc;
+
+/**
+ * struct rproc_fw_ops - firmware format specific operations.
+ * @find_rsc_table:    find the resource table inside the firmware image
+ * @find_loaded_rsc_table: find the loaded resouce table
+ * @load:              load firmeware to memory, where the remote processor
+ *                     expects to find it
+ * @sanity_check:      sanity check the fw image
+ * @get_boot_addr:     get boot address to entry point specified in firmware
+ */
+struct rproc_fw_ops {
+       struct resource_table *(*find_rsc_table) (struct rproc *rproc,
+                                               const struct firmware *fw,
+                                               int *tablesz);
+       struct resource_table *(*find_loaded_rsc_table)(struct rproc *rproc,
+                                               const struct firmware *fw);
+       int (*load)(struct rproc *rproc, const struct firmware *fw);
+       int (*sanity_check)(struct rproc *rproc, const struct firmware *fw);
+       u32 (*get_boot_addr)(struct rproc *rproc, const struct firmware *fw);
+};
+
+/* from remoteproc_core.c */
+void rproc_release(struct kref *kref);
+irqreturn_t rproc_vq_interrupt(struct rproc *rproc, int vq_id);
+
+/* from remoteproc_virtio.c */
+int rproc_add_virtio_dev(struct rproc_vdev *rvdev, int id);
+void rproc_remove_virtio_dev(struct rproc_vdev *rvdev);
+
+/* from remoteproc_debugfs.c */
+void rproc_remove_trace_file(struct dentry *tfile);
+struct dentry *rproc_create_trace_file(const char *name, struct rproc *rproc,
+                                       struct rproc_mem_entry *trace);
+void rproc_delete_debug_dir(struct rproc *rproc);
+void rproc_create_debug_dir(struct rproc *rproc);
+void rproc_init_debugfs(void);
+void rproc_exit_debugfs(void);
+
+void rproc_free_vring(struct rproc_vring *rvring);
+int rproc_alloc_vring(struct rproc_vdev *rvdev, int i);
+
+void *rproc_da_to_va(struct rproc *rproc, u64 da, int len);
+int rproc_trigger_recovery(struct rproc *rproc);
+
+static inline
+int rproc_fw_sanity_check(struct rproc *rproc, const struct firmware *fw)
+{
+       if (rproc->fw_ops->sanity_check)
+               return rproc->fw_ops->sanity_check(rproc, fw);
+
+       return 0;
+}
+
+static inline
+u32 rproc_get_boot_addr(struct rproc *rproc, const struct firmware *fw)
+{
+       if (rproc->fw_ops->get_boot_addr)
+               return rproc->fw_ops->get_boot_addr(rproc, fw);
+
+       return 0;
+}
+
+static inline
+int rproc_load_segments(struct rproc *rproc, const struct firmware *fw)
+{
+       if (rproc->fw_ops->load)
+               return rproc->fw_ops->load(rproc, fw);
+
+       return -EINVAL;
+}
+
+static inline
+struct resource_table *rproc_find_rsc_table(struct rproc *rproc,
+                               const struct firmware *fw, int *tablesz)
+{
+       if (rproc->fw_ops->find_rsc_table)
+               return rproc->fw_ops->find_rsc_table(rproc, fw, tablesz);
+
+       return NULL;
+}
+
+static inline
+struct resource_table *rproc_find_loaded_rsc_table(struct rproc *rproc,
+                                               const struct firmware *fw)
+{
+       if (rproc->fw_ops->find_loaded_rsc_table)
+               return rproc->fw_ops->find_loaded_rsc_table(rproc, fw);
+
+       return NULL;
+}
+
+extern const struct rproc_fw_ops rproc_elf_fw_ops;
+
+#endif /* REMOTEPROC_INTERNAL_H */