1 #ifndef __GENWQE_DRIVER_H__
2 #define __GENWQE_DRIVER_H__
3
4 /**
5 * IBM Accelerator Family 'GenWQE'
6 *
7 * (C) Copyright IBM Corp. 2013
8 *
9 * Author: Frank Haverkamp <haver@linux.vnet.ibm.com>
10 * Author: Joerg-Stephan Vogt <jsvogt@de.ibm.com>
11 * Author: Michael Jung <mijung@gmx.net>
12 * Author: Michael Ruettger <michael@ibmra.de>
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License (version 2 only)
16 * as published by the Free Software Foundation.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 */
23
24 #include <linux/types.h>
25 #include <linux/stddef.h>
26 #include <linux/cdev.h>
27 #include <linux/list.h>
28 #include <linux/kthread.h>
29 #include <linux/scatterlist.h>
30 #include <linux/iommu.h>
31 #include <linux/spinlock.h>
32 #include <linux/mutex.h>
33 #include <linux/platform_device.h>
34 #include <linux/printk.h>
35
36 #include <asm/byteorder.h>
37 #include <linux/genwqe/genwqe_card.h>
38
39 #define DRV_VERSION "2.0.25"
40
41 /*
42 * Static minor number assignement, until we decide/implement
43 * something dynamic.
44 */
45 #define GENWQE_MAX_MINOR 128 /* up to 128 possible genwqe devices */
46
47 /**
48 * genwqe_requ_alloc() - Allocate a new DDCB execution request
49 *
50 * This data structure contains the user visiable fields of the DDCB
51 * to be executed.
52 *
53 * Return: ptr to genwqe_ddcb_cmd data structure
54 */
55 struct genwqe_ddcb_cmd *ddcb_requ_alloc(void);
56
57 /**
58 * ddcb_requ_free() - Free DDCB execution request.
59 * @req: ptr to genwqe_ddcb_cmd data structure.
60 */
61 void ddcb_requ_free(struct genwqe_ddcb_cmd *req);
62
63 u32 genwqe_crc32(u8 *buff, size_t len, u32 init);
64
genwqe_hexdump(struct pci_dev * pci_dev,const void * buff,unsigned int size)65 static inline void genwqe_hexdump(struct pci_dev *pci_dev,
66 const void *buff, unsigned int size)
67 {
68 char prefix[32];
69
70 scnprintf(prefix, sizeof(prefix), "%s %s: ",
71 GENWQE_DEVNAME, pci_name(pci_dev));
72
73 print_hex_dump_debug(prefix, DUMP_PREFIX_OFFSET, 16, 1, buff,
74 size, true);
75 }
76
77 #endif /* __GENWQE_DRIVER_H__ */
78