cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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bundle.h (2064B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * Greybus bundles
      4 *
      5 * Copyright 2014 Google Inc.
      6 * Copyright 2014 Linaro Ltd.
      7 */
      8
      9#ifndef __BUNDLE_H
     10#define __BUNDLE_H
     11
     12#include <linux/types.h>
     13#include <linux/list.h>
     14#include <linux/pm_runtime.h>
     15#include <linux/device.h>
     16
     17#define	BUNDLE_ID_NONE	U8_MAX
     18
     19/* Greybus "public" definitions" */
     20struct gb_bundle {
     21	struct device		dev;
     22	struct gb_interface	*intf;
     23
     24	u8			id;
     25	u8			class;
     26	u8			class_major;
     27	u8			class_minor;
     28
     29	size_t			num_cports;
     30	struct greybus_descriptor_cport *cport_desc;
     31
     32	struct list_head	connections;
     33	u8			*state;
     34
     35	struct list_head	links;	/* interface->bundles */
     36};
     37#define to_gb_bundle(d) container_of(d, struct gb_bundle, dev)
     38
     39/* Greybus "private" definitions" */
     40struct gb_bundle *gb_bundle_create(struct gb_interface *intf, u8 bundle_id,
     41				   u8 class);
     42int gb_bundle_add(struct gb_bundle *bundle);
     43void gb_bundle_destroy(struct gb_bundle *bundle);
     44
     45/* Bundle Runtime PM wrappers */
     46#ifdef CONFIG_PM
     47static inline int gb_pm_runtime_get_sync(struct gb_bundle *bundle)
     48{
     49	int retval;
     50
     51	retval = pm_runtime_get_sync(&bundle->dev);
     52	if (retval < 0) {
     53		dev_err(&bundle->dev,
     54			"pm_runtime_get_sync failed: %d\n", retval);
     55		pm_runtime_put_noidle(&bundle->dev);
     56		return retval;
     57	}
     58
     59	return 0;
     60}
     61
     62static inline int gb_pm_runtime_put_autosuspend(struct gb_bundle *bundle)
     63{
     64	int retval;
     65
     66	pm_runtime_mark_last_busy(&bundle->dev);
     67	retval = pm_runtime_put_autosuspend(&bundle->dev);
     68
     69	return retval;
     70}
     71
     72static inline void gb_pm_runtime_get_noresume(struct gb_bundle *bundle)
     73{
     74	pm_runtime_get_noresume(&bundle->dev);
     75}
     76
     77static inline void gb_pm_runtime_put_noidle(struct gb_bundle *bundle)
     78{
     79	pm_runtime_put_noidle(&bundle->dev);
     80}
     81
     82#else
     83static inline int gb_pm_runtime_get_sync(struct gb_bundle *bundle)
     84{ return 0; }
     85static inline int gb_pm_runtime_put_autosuspend(struct gb_bundle *bundle)
     86{ return 0; }
     87
     88static inline void gb_pm_runtime_get_noresume(struct gb_bundle *bundle) {}
     89static inline void gb_pm_runtime_put_noidle(struct gb_bundle *bundle) {}
     90#endif
     91
     92#endif /* __BUNDLE_H */