disable pwm7

hc

2024-05-10 23fa18eaa71266feff7ba8d83022d9e1cc83c65a

 kernel/include/net/af_vsock.h
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@@ -1,16 +1,8 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * VMware vSockets Driver
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  *
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  * Copyright (C) 2007-2013 VMware, Inc. All rights reserved.
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of the GNU General Public License as published by the Free
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- * Software Foundation version 2 and no later version.
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- *
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- * This program is distributed in the hope that it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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  */
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 #ifndef __AF_VSOCK_H__
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@@ -18,7 +10,7 @@
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 #include <linux/kernel.h>
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 #include <linux/workqueue.h>
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-#include <linux/vm_sockets.h>
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+#include <uapi/linux/vm_sockets.h>
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 #include "vsock_addr.h"
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@@ -35,6 +27,7 @@
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 struct vsock_sock {
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 	/* sk must be the first member. */
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 	struct sock sk;
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+	const struct vsock_transport *transport;
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 	struct sockaddr_vm local_addr;
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 	struct sockaddr_vm remote_addr;
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 	/* Links for the global tables of bound and connected sockets. */
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@@ -72,16 +65,18 @@
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 	bool sent_request;
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 	bool ignore_connecting_rst;
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+	/* Protected by lock_sock(sk) */
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+	u64 buffer_size;
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+	u64 buffer_min_size;
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+	u64 buffer_max_size;
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+
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 	/* Private to transport. */
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 	void *trans;
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 };
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 s64 vsock_stream_has_data(struct vsock_sock *vsk);
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 s64 vsock_stream_has_space(struct vsock_sock *vsk);
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-struct sock *__vsock_create(struct net *net,
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-			    struct socket *sock,
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-			    struct sock *parent,
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-			    gfp_t priority, unsigned short type, int kern);
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+struct sock *vsock_create_connected(struct sock *parent);
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 /**** TRANSPORT ****/
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@@ -96,7 +91,19 @@
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 	u64 data2; /* Transport-defined. */
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 };
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+/* Transport features flags */
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+/* Transport provides host->guest communication */
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+#define VSOCK_TRANSPORT_F_H2G		0x00000001
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+/* Transport provides guest->host communication */
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+#define VSOCK_TRANSPORT_F_G2H		0x00000002
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+/* Transport provides DGRAM communication */
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+#define VSOCK_TRANSPORT_F_DGRAM		0x00000004
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+/* Transport provides local (loopback) communication */
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+#define VSOCK_TRANSPORT_F_LOCAL		0x00000008
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+
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 struct vsock_transport {
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+	struct module *module;
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+
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 	/* Initialize/tear-down socket. */
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 	int (*init)(struct vsock_sock *, struct vsock_sock *);
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 	void (*destruct)(struct vsock_sock *);
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@@ -147,17 +154,11 @@
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 		struct vsock_transport_send_notify_data *);
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 	int (*notify_send_post_enqueue)(struct vsock_sock *, ssize_t,
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 		struct vsock_transport_send_notify_data *);
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+	/* sk_lock held by the caller */
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+	void (*notify_buffer_size)(struct vsock_sock *, u64 *);
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 	/* Shutdown. */
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 	int (*shutdown)(struct vsock_sock *, int);
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-
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-	/* Buffer sizes. */
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-	void (*set_buffer_size)(struct vsock_sock *, u64);
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-	void (*set_min_buffer_size)(struct vsock_sock *, u64);
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-	void (*set_max_buffer_size)(struct vsock_sock *, u64);
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-	u64 (*get_buffer_size)(struct vsock_sock *);
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-	u64 (*get_min_buffer_size)(struct vsock_sock *);
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-	u64 (*get_max_buffer_size)(struct vsock_sock *);
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 	/* Addressing. */
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 	u32 (*get_local_cid)(void);
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@@ -165,15 +166,11 @@
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 /**** CORE ****/
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-int __vsock_core_init(const struct vsock_transport *t, struct module *owner);
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-static inline int vsock_core_init(const struct vsock_transport *t)
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-{
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-	return __vsock_core_init(t, THIS_MODULE);
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-}
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-void vsock_core_exit(void);
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+int vsock_core_register(const struct vsock_transport *t, int features);
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+void vsock_core_unregister(const struct vsock_transport *t);
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 /* The transport may downcast this to access transport-specific functions */
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-const struct vsock_transport *vsock_core_get_transport(void);
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+const struct vsock_transport *vsock_core_get_transport(struct vsock_sock *vsk);
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 /**** UTILS ****/
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@@ -201,6 +198,8 @@
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 					 struct sockaddr_vm *dst);
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 void vsock_remove_sock(struct vsock_sock *vsk);
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 void vsock_for_each_connected_socket(void (*fn)(struct sock *sk));
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+int vsock_assign_transport(struct vsock_sock *vsk, struct vsock_sock *psk);
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+bool vsock_find_cid(unsigned int cid);
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 /**** TAP ****/
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