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 */
47 struct 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 */
53 void ddcb_requ_free(struct genwqe_ddcb_cmd *req);
54
55 u32 genwqe_crc32(u8 *buff, size_t len, u32 init);
56
genwqe_hexdump(struct pci_dev * pci_dev,const void * buff,unsigned int size)57 static 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