genwqe_driver.h
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#ifndef __GENWQE_DRIVER_H__
#define __GENWQE_DRIVER_H__
/**
* IBM Accelerator Family 'GenWQE'
*
* (C) Copyright IBM Corp. 2013
*
* Author: Frank Haverkamp <haver@linux.vnet.ibm.com>
* Author: Joerg-Stephan Vogt <jsvogt@de.ibm.com>
* Author: Michael Jung <mijung@gmx.net>
* Author: Michael Ruettger <michael@ibmra.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License (version 2 only)
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/types.h>
#include <linux/stddef.h>
#include <linux/cdev.h>
#include <linux/list.h>
#include <linux/kthread.h>
#include <linux/scatterlist.h>
#include <linux/iommu.h>
#include <linux/spinlock.h>
#include <linux/mutex.h>
#include <linux/platform_device.h>
#include <linux/printk.h>
#include <asm/byteorder.h>
#include <linux/genwqe/genwqe_card.h>
#define DRV_VERSION "2.0.25"
/*
* Static minor number assignement, until we decide/implement
* something dynamic.
*/
#define GENWQE_MAX_MINOR 128 /* up to 128 possible genwqe devices */
/**
* genwqe_requ_alloc() - Allocate a new DDCB execution request
*
* This data structure contains the user visiable fields of the DDCB
* to be executed.
*
* Return: ptr to genwqe_ddcb_cmd data structure
*/
struct genwqe_ddcb_cmd *ddcb_requ_alloc(void);
/**
* ddcb_requ_free() - Free DDCB execution request.
* @req: ptr to genwqe_ddcb_cmd data structure.
*/
void ddcb_requ_free(struct genwqe_ddcb_cmd *req);
u32 genwqe_crc32(u8 *buff, size_t len, u32 init);
static inline void genwqe_hexdump(struct pci_dev *pci_dev,
const void *buff, unsigned int size)
{
char prefix[32];
scnprintf(prefix, sizeof(prefix), "%s %s: ",
GENWQE_DEVNAME, pci_name(pci_dev));
print_hex_dump_debug(prefix, DUMP_PREFIX_OFFSET, 16, 1, buff,
size, true);
}
#endif /* __GENWQE_DRIVER_H__ */