Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 224 insertions, 0 deletions

diff --git a/drivers/remoteproc/remoteproc_internal.h b/drivers/remoteproc/remoteproc_internal.h
new file mode 100644
index 0000000000..f62a82d71d
--- /dev/null
+++ b/drivers/remoteproc/remoteproc_internal.h
@@ -0,0 +1,224 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * 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>
+ */
+
+#ifndef REMOTEPROC_INTERNAL_H
+#define REMOTEPROC_INTERNAL_H
+
+#include <linux/irqreturn.h>
+#include <linux/firmware.h>
+
+struct rproc;
+
+struct rproc_debug_trace {
+	struct rproc *rproc;
+	struct dentry *tfile;
+	struct list_head node;
+	struct rproc_mem_entry trace_mem;
+};
+
+/**
+ * struct rproc_vdev_data - remoteproc virtio device data
+ * @rsc_offset: offset of the vdev's resource entry
+ * @id: virtio device id (as in virtio_ids.h)
+ * @index: vdev position versus other vdev declared in resource table
+ * @rsc: pointer to the vdev resource entry. Valid only during vdev init as
+ *       the resource can be cached by rproc.
+ */
+struct rproc_vdev_data {
+	u32 rsc_offset;
+	unsigned int id;
+	u32 index;
+	struct fw_rsc_vdev *rsc;
+};
+
+static inline bool rproc_has_feature(struct rproc *rproc, unsigned int feature)
+{
+	return test_bit(feature, rproc->features);
+}
+
+static inline int rproc_set_feature(struct rproc *rproc, unsigned int feature)
+{
+	if (feature >= RPROC_MAX_FEATURES)
+		return -EINVAL;
+
+	set_bit(feature, rproc->features);
+
+	return 0;
+}
+
+/* from remoteproc_core.c */
+void rproc_release(struct kref *kref);
+int rproc_of_parse_firmware(struct device *dev, int index,
+			    const char **fw_name);
+
+/* from remoteproc_virtio.c */
+irqreturn_t rproc_vq_interrupt(struct rproc *rproc, int vq_id);
+
+/* 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_debug_trace *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);
+
+/* from remoteproc_sysfs.c */
+extern struct class rproc_class;
+int rproc_init_sysfs(void);
+void rproc_exit_sysfs(void);
+
+#ifdef CONFIG_REMOTEPROC_CDEV
+void rproc_init_cdev(void);
+void rproc_exit_cdev(void);
+int rproc_char_device_add(struct rproc *rproc);
+void rproc_char_device_remove(struct rproc *rproc);
+#else
+static inline void rproc_init_cdev(void)
+{
+}
+
+static inline void rproc_exit_cdev(void)
+{
+}
+
+/*
+ * The character device interface is an optional feature, if it is not enabled
+ * the function should not return an error.
+ */
+static inline int rproc_char_device_add(struct rproc *rproc)
+{
+	return 0;
+}
+
+static inline void  rproc_char_device_remove(struct rproc *rproc)
+{
+}
+#endif
+
+void rproc_free_vring(struct rproc_vring *rvring);
+int rproc_alloc_vring(struct rproc_vdev *rvdev, int i);
+int rproc_parse_vring(struct rproc_vdev *rvdev, struct fw_rsc_vdev *rsc, int i);
+
+phys_addr_t rproc_va_to_pa(void *cpu_addr);
+int rproc_trigger_recovery(struct rproc *rproc);
+
+int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw);
+u64 rproc_elf_get_boot_addr(struct rproc *rproc, const struct firmware *fw);
+int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw);
+int rproc_elf_load_rsc_table(struct rproc *rproc, const struct firmware *fw);
+struct resource_table *rproc_elf_find_loaded_rsc_table(struct rproc *rproc,
+						       const struct firmware *fw);
+struct rproc_mem_entry *
+rproc_find_carveout_by_name(struct rproc *rproc, const char *name, ...);
+void rproc_add_rvdev(struct rproc *rproc, struct rproc_vdev *rvdev);
+void rproc_remove_rvdev(struct rproc_vdev *rvdev);
+
+static inline int rproc_prepare_device(struct rproc *rproc)
+{
+	if (rproc->ops->prepare)
+		return rproc->ops->prepare(rproc);
+
+	return 0;
+}
+
+static inline int rproc_unprepare_device(struct rproc *rproc)
+{
+	if (rproc->ops->unprepare)
+		return rproc->ops->unprepare(rproc);
+
+	return 0;
+}
+
+static inline int rproc_attach_device(struct rproc *rproc)
+{
+	if (rproc->ops->attach)
+		return rproc->ops->attach(rproc);
+
+	return 0;
+}
+
+static inline
+int rproc_fw_sanity_check(struct rproc *rproc, const struct firmware *fw)
+{
+	if (rproc->ops->sanity_check)
+		return rproc->ops->sanity_check(rproc, fw);
+
+	return 0;
+}
+
+static inline
+u64 rproc_get_boot_addr(struct rproc *rproc, const struct firmware *fw)
+{
+	if (rproc->ops->get_boot_addr)
+		return rproc->ops->get_boot_addr(rproc, fw);
+
+	return 0;
+}
+
+static inline
+int rproc_load_segments(struct rproc *rproc, const struct firmware *fw)
+{
+	if (rproc->ops->load)
+		return rproc->ops->load(rproc, fw);
+
+	return -EINVAL;
+}
+
+static inline int rproc_parse_fw(struct rproc *rproc, const struct firmware *fw)
+{
+	if (rproc->ops->parse_fw)
+		return rproc->ops->parse_fw(rproc, fw);
+
+	return 0;
+}
+
+static inline
+int rproc_handle_rsc(struct rproc *rproc, u32 rsc_type, void *rsc, int offset,
+		     int avail)
+{
+	if (rproc->ops->handle_rsc)
+		return rproc->ops->handle_rsc(rproc, rsc_type, rsc, offset,
+					      avail);
+
+	return RSC_IGNORED;
+}
+
+static inline
+struct resource_table *rproc_find_loaded_rsc_table(struct rproc *rproc,
+						   const struct firmware *fw)
+{
+	if (rproc->ops->find_loaded_rsc_table)
+		return rproc->ops->find_loaded_rsc_table(rproc, fw);
+
+	return NULL;
+}
+
+static inline
+struct resource_table *rproc_get_loaded_rsc_table(struct rproc *rproc,
+						  size_t *size)
+{
+	if (rproc->ops->get_loaded_rsc_table)
+		return rproc->ops->get_loaded_rsc_table(rproc, size);
+
+	return NULL;
+}
+
+static inline
+bool rproc_u64_fit_in_size_t(u64 val)
+{
+	if (sizeof(size_t) == sizeof(u64))
+		return true;
+
+	return (val <= (size_t) -1);
+}
+
+#endif /* REMOTEPROC_INTERNAL_H */