70 lines · c
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. 20139 *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/implement35 * 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 request41 *42 * This data structure contains the user visiable fields of the DDCB43 * to be executed.44 *45 * Return: ptr to genwqe_ddcb_cmd data structure46 */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