/* * IBM eServer eHCA Infiniband device driver for Linux on POWER * * Function definitions and structs for EQs, NEQs and interrupts * * Authors: Heiko J Schick <schickhj@de.ibm.com> * Khadija Souissi <souissi@de.ibm.com> * * Copyright (c) 2005 IBM Corporation * * All rights reserved. * * This source code is distributed under a dual license of GPL v2.0 and OpenIB * BSD. * * OpenIB BSD License * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials * provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef __EHCA_IRQ_H #define __EHCA_IRQ_H struct ehca_shca; #include <linux/interrupt.h> #include <linux/types.h> int ehca_error_data(struct ehca_shca *shca, void *data, u64 resource); irqreturn_t ehca_interrupt_neq(int irq, void *dev_id); void ehca_tasklet_neq(unsigned long data); irqreturn_t ehca_interrupt_eq(int irq, void *dev_id); void ehca_tasklet_eq(unsigned long data); void ehca_process_eq(struct ehca_shca *shca, int is_irq); struct ehca_cpu_comp_task { wait_queue_head_t wait_queue; struct list_head cq_list; struct task_struct *task; spinlock_t task_lock; int cq_jobs; }; struct ehca_comp_pool { struct ehca_cpu_comp_task *cpu_comp_tasks; int last_cpu; spinlock_t last_cpu_lock; }; int ehca_create_comp_pool(void); void ehca_destroy_comp_pool(void); #endif