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fab97220 HS |
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 | ||
46 | struct ehca_shca; | |
47 | ||
48 | #include <linux/interrupt.h> | |
49 | #include <linux/types.h> | |
50 | #include <asm/atomic.h> | |
51 | ||
52 | int ehca_error_data(struct ehca_shca *shca, void *data, u64 resource); | |
53 | ||
7d12e780 | 54 | irqreturn_t ehca_interrupt_neq(int irq, void *dev_id); |
fab97220 HS |
55 | void ehca_tasklet_neq(unsigned long data); |
56 | ||
7d12e780 | 57 | irqreturn_t ehca_interrupt_eq(int irq, void *dev_id); |
fab97220 HS |
58 | void ehca_tasklet_eq(unsigned long data); |
59 | ||
60 | struct ehca_cpu_comp_task { | |
61 | wait_queue_head_t wait_queue; | |
62 | struct list_head cq_list; | |
63 | struct task_struct *task; | |
64 | spinlock_t task_lock; | |
65 | int cq_jobs; | |
66 | }; | |
67 | ||
68 | struct ehca_comp_pool { | |
69 | struct ehca_cpu_comp_task *cpu_comp_tasks; | |
70 | int last_cpu; | |
71 | spinlock_t last_cpu_lock; | |
72 | }; | |
73 | ||
74 | int ehca_create_comp_pool(void); | |
75 | void ehca_destroy_comp_pool(void); | |
76 | ||
77 | #endif |