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(buf: prefix, size: sizeof(prefix), fmt: "%s %s: " , |
63 | GENWQE_DEVNAME, pci_name(pdev: 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 | |