From f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 01:04:47 +0000
Subject: [PATCH] add driver 5G
---
kernel/include/linux/thunderbolt.h | 19 ++++++++++++-------
1 files changed, 12 insertions(+), 7 deletions(-)
diff --git a/kernel/include/linux/thunderbolt.h b/kernel/include/linux/thunderbolt.h
index a3ed260..5db2b11 100644
--- a/kernel/include/linux/thunderbolt.h
+++ b/kernel/include/linux/thunderbolt.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Thunderbolt service API
*
@@ -5,10 +6,6 @@
* Copyright (C) 2017, Intel Corporation
* Authors: Michael Jamet <michael.jamet@intel.com>
* Mika Westerberg <mika.westerberg@linux.intel.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef THUNDERBOLT_H_
@@ -83,7 +80,7 @@
int index;
enum tb_security_level security_level;
size_t nboot_acl;
- unsigned long privdata[0];
+ unsigned long privdata[];
};
extern struct bus_type tb_bus_type;
@@ -184,6 +181,8 @@
* @device_name: Name of the device (or %NULL if not known)
* @is_unplugged: The XDomain is unplugged
* @resume: The XDomain is being resumed
+ * @needs_uuid: If the XDomain does not have @remote_uuid it will be
+ * queried first
* @transmit_path: HopID which the remote end expects us to transmit
* @transmit_ring: Local ring (hop) where outgoing packets are pushed
* @receive_path: HopID which we expect the remote end to transmit
@@ -192,6 +191,9 @@
* @properties: Properties exported by the remote domain
* @property_block_gen: Generation of @properties
* @properties_lock: Lock protecting @properties.
+ * @get_uuid_work: Work used to retrieve @remote_uuid
+ * @uuid_retries: Number of times left @remote_uuid is requested before
+ * giving up
* @get_properties_work: Work used to get remote domain properties
* @properties_retries: Number of times left to read properties
* @properties_changed_work: Work used to notify the remote domain that
@@ -223,6 +225,7 @@
const char *device_name;
bool is_unplugged;
bool resume;
+ bool needs_uuid;
u16 transmit_path;
u16 transmit_ring;
u16 receive_path;
@@ -230,6 +233,8 @@
struct ida service_ids;
struct tb_property_dir *properties;
u32 property_block_gen;
+ struct delayed_work get_uuid_work;
+ int uuid_retries;
struct delayed_work get_properties_work;
int properties_retries;
struct delayed_work properties_changed_work;
@@ -424,6 +429,7 @@
* @lock: Must be held during ring creation/destruction. Is acquired by
* interrupt_work when dispatching interrupts to individual rings.
* @pdev: Pointer to the PCI device
+ * @ops: NHI specific optional ops
* @iobase: MMIO space of the NHI
* @tx_rings: All Tx rings available on this host controller
* @rx_rings: All Rx rings available on this host controller
@@ -437,6 +443,7 @@
struct tb_nhi {
spinlock_t lock;
struct pci_dev *pdev;
+ const struct tb_nhi_ops *ops;
void __iomem *iobase;
struct tb_ring **tx_rings;
struct tb_ring **rx_rings;
@@ -497,8 +504,6 @@
#define RING_FLAG_NO_SUSPEND BIT(0)
/* Configure the ring to be in frame mode */
#define RING_FLAG_FRAME BIT(1)
-/* Enable end-to-end flow control */
-#define RING_FLAG_E2E BIT(2)
struct ring_frame;
typedef void (*ring_cb)(struct tb_ring *, struct ring_frame *, bool canceled);
--
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