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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ctucanfd.h (2593B)

      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*******************************************************************************
      3 *
      4 * CTU CAN FD IP Core
      5 *
      6 * Copyright (C) 2015-2018 Ondrej Ille <ondrej.ille@gmail.com> FEE CTU
      7 * Copyright (C) 2018-2021 Ondrej Ille <ondrej.ille@gmail.com> self-funded
      8 * Copyright (C) 2018-2019 Martin Jerabek <martin.jerabek01@gmail.com> FEE CTU
      9 * Copyright (C) 2018-2021 Pavel Pisa <pisa@cmp.felk.cvut.cz> FEE CTU/self-funded
     10 *
     11 * Project advisors:
     12 *     Jiri Novak <jnovak@fel.cvut.cz>
     13 *     Pavel Pisa <pisa@cmp.felk.cvut.cz>
     14 *
     15 * Department of Measurement         (http://meas.fel.cvut.cz/)
     16 * Faculty of Electrical Engineering (http://www.fel.cvut.cz)
     17 * Czech Technical University        (http://www.cvut.cz/)
     18 ******************************************************************************/
     19
     20#ifndef __CTUCANFD__
     21#define __CTUCANFD__
     22
     23#include <linux/netdevice.h>
     24#include <linux/can/dev.h>
     25#include <linux/list.h>
     26
     27enum ctu_can_fd_can_registers;
     28
     29struct ctucan_priv {
     30	struct can_priv can; /* must be first member! */
     31
     32	void __iomem *mem_base;
     33	u32 (*read_reg)(struct ctucan_priv *priv,
     34			enum ctu_can_fd_can_registers reg);
     35	void (*write_reg)(struct ctucan_priv *priv,
     36			  enum ctu_can_fd_can_registers reg, u32 val);
     37
     38	unsigned int txb_head;
     39	unsigned int txb_tail;
     40	u32 txb_prio;
     41	unsigned int ntxbufs;
     42	spinlock_t tx_lock; /* spinlock to serialize allocation and processing of TX buffers */
     43
     44	struct napi_struct napi;
     45	struct device *dev;
     46	struct clk *can_clk;
     47
     48	int irq_flags;
     49	unsigned long drv_flags;
     50
     51	u32 rxfrm_first_word;
     52
     53	struct list_head peers_on_pdev;
     54};
     55
     56/**
     57 * ctucan_probe_common - Device type independent registration call
     58 *
     59 * This function does all the memory allocation and registration for the CAN
     60 * device.
     61 *
     62 * @dev:	Handle to the generic device structure
     63 * @addr:	Base address of CTU CAN FD core address
     64 * @irq:	Interrupt number
     65 * @ntxbufs:	Number of implemented Tx buffers
     66 * @can_clk_rate: Clock rate, if 0 then clock are taken from device node
     67 * @pm_enable_call: Whether pm_runtime_enable should be called
     68 * @set_drvdata_fnc: Function to set network driver data for physical device
     69 *
     70 * Return: 0 on success and failure value on error
     71 */
     72int ctucan_probe_common(struct device *dev, void __iomem *addr,
     73			int irq, unsigned int ntxbufs,
     74			unsigned long can_clk_rate,
     75			int pm_enable_call,
     76			void (*set_drvdata_fnc)(struct device *dev,
     77						struct net_device *ndev));
     78
     79int ctucan_suspend(struct device *dev) __maybe_unused;
     80int ctucan_resume(struct device *dev) __maybe_unused;
     81
     82#endif /*__CTUCANFD__*/