diff options
Diffstat (limited to 'drivers/infiniband/hw/ehca/ehca_irq.h')
-rw-r--r-- | drivers/infiniband/hw/ehca/ehca_irq.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_irq.h b/drivers/infiniband/hw/ehca/ehca_irq.h new file mode 100644 index 000000000000..85bf1fe16fe4 --- /dev/null +++ b/drivers/infiniband/hw/ehca/ehca_irq.h | |||
@@ -0,0 +1,77 @@ | |||
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 | |||
54 | irqreturn_t ehca_interrupt_neq(int irq, void *dev_id, struct pt_regs *regs); | ||
55 | void ehca_tasklet_neq(unsigned long data); | ||
56 | |||
57 | irqreturn_t ehca_interrupt_eq(int irq, void *dev_id, struct pt_regs *regs); | ||
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 | ||