LXR linux/drivers/misc/genwqe/genwqe

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2#ifndef __GENWQE_DRIVER_H__
   3#define __GENWQE_DRIVER_H__
   4
   5/**
   6 * IBM Accelerator Family 'GenWQE'
   7 *
   8 * (C) Copyright IBM Corp. 2013
   9 *
  10 * Author: Frank Haverkamp <haver@linux.vnet.ibm.com>
  11 * Author: Joerg-Stephan Vogt <jsvogt@de.ibm.com>
  12 * Author: Michael Jung <mijung@gmx.net>
  13 * Author: Michael Ruettger <michael@ibmra.de>
  14 */
  15
  16#include <linux/types.h>
  17#include <linux/stddef.h>
  18#include <linux/cdev.h>
  19#include <linux/list.h>
  20#include <linux/kthread.h>
  21#include <linux/scatterlist.h>
  22#include <linux/iommu.h>
  23#include <linux/spinlock.h>
  24#include <linux/mutex.h>
  25#include <linux/platform_device.h>
  26#include <linux/printk.h>
  27
  28#include <asm/byteorder.h>
  29#include <linux/genwqe/genwqe_card.h>
  30
  31#define DRV_VERSION             "2.0.25"
  32
  33/*
  34 * Static minor number assignement, until we decide/implement
  35 * something dynamic.
  36 */
  37#define GENWQE_MAX_MINOR        128 /* up to 128 possible genwqe devices */
  38
  39/**
  40 * genwqe_requ_alloc() - Allocate a new DDCB execution request
  41 *
  42 * This data structure contains the user visiable fields of the DDCB
  43 * to be executed.
  44 *
  45 * Return: ptr to genwqe_ddcb_cmd data structure
  46 */
  47struct genwqe_ddcb_cmd *ddcb_requ_alloc(void);
  48
  49/**
  50 * ddcb_requ_free() - Free DDCB execution request.
  51 * @req:       ptr to genwqe_ddcb_cmd data structure.
  52 */
  53void ddcb_requ_free(struct genwqe_ddcb_cmd *req);
  54
  55u32  genwqe_crc32(u8 *buff, size_t len, u32 init);
  56
  57static inline void genwqe_hexdump(struct pci_dev *pci_dev,
  58                                  const void *buff, unsigned int size)
  59{
  60        char prefix[32];
  61
  62        scnprintf(prefix, sizeof(prefix), "%s %s: ",
  63                  GENWQE_DEVNAME, pci_name(pci_dev));
  64
  65        print_hex_dump_debug(prefix, DUMP_PREFIX_OFFSET, 16, 1, buff,
  66                             size, true);
  67}
  68
  69#endif  /* __GENWQE_DRIVER_H__ */
  70