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 
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