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