1/* 2 * IBM eServer eHCA Infiniband device driver for Linux on POWER 3 * 4 * Function definitions and structs for EQs, NEQs and interrupts 5 * 6 * Authors: Heiko J Schick <schickhj@de.ibm.com> 7 * Khadija Souissi <souissi@de.ibm.com> 8 * 9 * Copyright (c) 2005 IBM Corporation 10 * 11 * All rights reserved. 12 * 13 * This source code is distributed under a dual license of GPL v2.0 and OpenIB 14 * BSD. 15 * 16 * OpenIB BSD License 17 * 18 * Redistribution and use in source and binary forms, with or without 19 * modification, are permitted provided that the following conditions are met: 20 * 21 * Redistributions of source code must retain the above copyright notice, this 22 * list of conditions and the following disclaimer. 23 * 24 * Redistributions in binary form must reproduce the above copyright notice, 25 * this list of conditions and the following disclaimer in the documentation 26 * and/or other materials 27 * provided with the distribution. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 30 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 32 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 33 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 34 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 35 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 36 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 37 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 39 * POSSIBILITY OF SUCH DAMAGE. 40 */ 41 42#ifndef __EHCA_IRQ_H 43#define __EHCA_IRQ_H 44 45 46struct ehca_shca; 47 48#include <linux/interrupt.h> 49#include <linux/types.h> 50#include <asm/atomic.h> 51 52int ehca_error_data(struct ehca_shca *shca, void *data, u64 resource); 53 54irqreturn_t ehca_interrupt_neq(int irq, void *dev_id); 55void ehca_tasklet_neq(unsigned long data); 56 57irqreturn_t ehca_interrupt_eq(int irq, void *dev_id); 58void ehca_tasklet_eq(unsigned long data); 59void ehca_process_eq(struct ehca_shca *shca, int is_irq); 60 61struct ehca_cpu_comp_task { 62 wait_queue_head_t wait_queue; 63 struct list_head cq_list; 64 struct task_struct *task; 65 spinlock_t task_lock; 66 int cq_jobs; 67}; 68 69struct ehca_comp_pool { 70 struct ehca_cpu_comp_task *cpu_comp_tasks; 71 int last_cpu; 72 spinlock_t last_cpu_lock; 73}; 74 75int ehca_create_comp_pool(void); 76void ehca_destroy_comp_pool(void); 77 78#endif 79