1 #ifndef __GENWQE_DRIVER_H__ 2 #define __GENWQE_DRIVER_H__ 3 4 /** 5 * IBM Accelerator Family 'GenWQE' 6 * 7 * (C) Copyright IBM Corp. 2013 8 * 9 * Author: Frank Haverkamp <haver@linux.vnet.ibm.com> 10 * Author: Joerg-Stephan Vogt <jsvogt@de.ibm.com> 11 * Author: Michael Jung <mijung@gmx.net> 12 * Author: Michael Ruettger <michael@ibmra.de> 13 * 14 * This program is free software; you can redistribute it and/or modify 15 * it under the terms of the GNU General Public License (version 2 only) 16 * as published by the Free Software Foundation. 17 * 18 * This program is distributed in the hope that it will be useful, 19 * but WITHOUT ANY WARRANTY; without even the implied warranty of 20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 * GNU General Public License for more details. 22 */ 23 24 #include <linux/types.h> 25 #include <linux/stddef.h> 26 #include <linux/cdev.h> 27 #include <linux/list.h> 28 #include <linux/kthread.h> 29 #include <linux/scatterlist.h> 30 #include <linux/iommu.h> 31 #include <linux/spinlock.h> 32 #include <linux/mutex.h> 33 #include <linux/platform_device.h> 34 #include <linux/printk.h> 35 36 #include <asm/byteorder.h> 37 #include <linux/genwqe/genwqe_card.h> 38 39 #define DRV_VERSION "2.0.25" 40 41 /* 42 * Static minor number assignement, until we decide/implement 43 * something dynamic. 44 */ 45 #define GENWQE_MAX_MINOR 128 /* up to 128 possible genwqe devices */ 46 47 /** 48 * genwqe_requ_alloc() - Allocate a new DDCB execution request 49 * 50 * This data structure contains the user visiable fields of the DDCB 51 * to be executed. 52 * 53 * Return: ptr to genwqe_ddcb_cmd data structure 54 */ 55 struct genwqe_ddcb_cmd *ddcb_requ_alloc(void); 56 57 /** 58 * ddcb_requ_free() - Free DDCB execution request. 59 * @req: ptr to genwqe_ddcb_cmd data structure. 60 */ 61 void ddcb_requ_free(struct genwqe_ddcb_cmd *req); 62 63 u32 genwqe_crc32(u8 *buff, size_t len, u32 init); 64 65 static inline void genwqe_hexdump(struct pci_dev *pci_dev, 66 const void *buff, unsigned int size) 67 { 68 char prefix[32]; 69 70 scnprintf(prefix, sizeof(prefix), "%s %s: ", 71 GENWQE_DEVNAME, pci_name(pci_dev)); 72 73 print_hex_dump_debug(prefix, DUMP_PREFIX_OFFSET, 16, 1, buff, 74 size, true); 75 } 76 77 #endif /* __GENWQE_DRIVER_H__ */ 78