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-rw-r--r--arch/tile/gxio/Kconfig6
-rw-r--r--arch/tile/gxio/Makefile1
-rw-r--r--arch/tile/gxio/iorpc_mpipe.c529
-rw-r--r--arch/tile/gxio/iorpc_mpipe_info.c85
-rw-r--r--arch/tile/gxio/mpipe.c545
-rw-r--r--arch/tile/include/arch/mpipe.h359
-rw-r--r--arch/tile/include/arch/mpipe_constants.h42
-rw-r--r--arch/tile/include/arch/mpipe_def.h39
-rw-r--r--arch/tile/include/arch/mpipe_shm.h509
-rw-r--r--arch/tile/include/arch/mpipe_shm_def.h23
-rw-r--r--arch/tile/include/gxio/iorpc_mpipe.h136
-rw-r--r--arch/tile/include/gxio/iorpc_mpipe_info.h46
-rw-r--r--arch/tile/include/gxio/mpipe.h1736
-rw-r--r--arch/tile/include/hv/drv_mpipe_intf.h602
14 files changed, 4658 insertions, 0 deletions
diff --git a/arch/tile/gxio/Kconfig b/arch/tile/gxio/Kconfig
index ecd076c8cfd5..8aeebb70a3df 100644
--- a/arch/tile/gxio/Kconfig
+++ b/arch/tile/gxio/Kconfig
@@ -9,3 +9,9 @@ config TILE_GXIO
9config TILE_GXIO_DMA 9config TILE_GXIO_DMA
10 bool 10 bool
11 select TILE_GXIO 11 select TILE_GXIO
12
13# Support direct access to the TILE-Gx mPIPE hardware from kernel space.
14config TILE_GXIO_MPIPE
15 bool
16 select TILE_GXIO
17 select TILE_GXIO_DMA
diff --git a/arch/tile/gxio/Makefile b/arch/tile/gxio/Makefile
index 97ab468fb8c5..130eec48c152 100644
--- a/arch/tile/gxio/Makefile
+++ b/arch/tile/gxio/Makefile
@@ -4,3 +4,4 @@
4 4
5obj-$(CONFIG_TILE_GXIO) += iorpc_globals.o kiorpc.o 5obj-$(CONFIG_TILE_GXIO) += iorpc_globals.o kiorpc.o
6obj-$(CONFIG_TILE_GXIO_DMA) += dma_queue.o 6obj-$(CONFIG_TILE_GXIO_DMA) += dma_queue.o
7obj-$(CONFIG_TILE_GXIO_MPIPE) += mpipe.o iorpc_mpipe.o iorpc_mpipe_info.o
diff --git a/arch/tile/gxio/iorpc_mpipe.c b/arch/tile/gxio/iorpc_mpipe.c
new file mode 100644
index 000000000000..31b87bf8c027
--- /dev/null
+++ b/arch/tile/gxio/iorpc_mpipe.c
@@ -0,0 +1,529 @@
1/*
2 * Copyright 2012 Tilera Corporation. All Rights Reserved.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation, version 2.
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
11 * NON INFRINGEMENT. See the GNU General Public License for
12 * more details.
13 */
14
15/* This file is machine-generated; DO NOT EDIT! */
16#include "gxio/iorpc_mpipe.h"
17
18struct alloc_buffer_stacks_param {
19 unsigned int count;
20 unsigned int first;
21 unsigned int flags;
22};
23
24int gxio_mpipe_alloc_buffer_stacks(gxio_mpipe_context_t * context,
25 unsigned int count, unsigned int first,
26 unsigned int flags)
27{
28 struct alloc_buffer_stacks_param temp;
29 struct alloc_buffer_stacks_param *params = &temp;
30
31 params->count = count;
32 params->first = first;
33 params->flags = flags;
34
35 return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
36 sizeof(*params),
37 GXIO_MPIPE_OP_ALLOC_BUFFER_STACKS);
38}
39
40EXPORT_SYMBOL(gxio_mpipe_alloc_buffer_stacks);
41
42struct init_buffer_stack_aux_param {
43 union iorpc_mem_buffer buffer;
44 unsigned int stack;
45 unsigned int buffer_size_enum;
46};
47
48int gxio_mpipe_init_buffer_stack_aux(gxio_mpipe_context_t * context,
49 void *mem_va, size_t mem_size,
50 unsigned int mem_flags, unsigned int stack,
51 unsigned int buffer_size_enum)
52{
53 int __result;
54 unsigned long long __cpa;
55 pte_t __pte;
56 struct init_buffer_stack_aux_param temp;
57 struct init_buffer_stack_aux_param *params = &temp;
58
59 __result = va_to_cpa_and_pte(mem_va, &__cpa, &__pte);
60 if (__result != 0)
61 return __result;
62 params->buffer.kernel.cpa = __cpa;
63 params->buffer.kernel.size = mem_size;
64 params->buffer.kernel.pte = __pte;
65 params->buffer.kernel.flags = mem_flags;
66 params->stack = stack;
67 params->buffer_size_enum = buffer_size_enum;
68
69 return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
70 sizeof(*params),
71 GXIO_MPIPE_OP_INIT_BUFFER_STACK_AUX);
72}
73
74EXPORT_SYMBOL(gxio_mpipe_init_buffer_stack_aux);
75
76
77struct alloc_notif_rings_param {
78 unsigned int count;
79 unsigned int first;
80 unsigned int flags;
81};
82
83int gxio_mpipe_alloc_notif_rings(gxio_mpipe_context_t * context,
84 unsigned int count, unsigned int first,
85 unsigned int flags)
86{
87 struct alloc_notif_rings_param temp;
88 struct alloc_notif_rings_param *params = &temp;
89
90 params->count = count;
91 params->first = first;
92 params->flags = flags;
93
94 return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
95 sizeof(*params), GXIO_MPIPE_OP_ALLOC_NOTIF_RINGS);
96}
97
98EXPORT_SYMBOL(gxio_mpipe_alloc_notif_rings);
99
100struct init_notif_ring_aux_param {
101 union iorpc_mem_buffer buffer;
102 unsigned int ring;
103};
104
105int gxio_mpipe_init_notif_ring_aux(gxio_mpipe_context_t * context, void *mem_va,
106 size_t mem_size, unsigned int mem_flags,
107 unsigned int ring)
108{
109 int __result;
110 unsigned long long __cpa;
111 pte_t __pte;
112 struct init_notif_ring_aux_param temp;
113 struct init_notif_ring_aux_param *params = &temp;
114
115 __result = va_to_cpa_and_pte(mem_va, &__cpa, &__pte);
116 if (__result != 0)
117 return __result;
118 params->buffer.kernel.cpa = __cpa;
119 params->buffer.kernel.size = mem_size;
120 params->buffer.kernel.pte = __pte;
121 params->buffer.kernel.flags = mem_flags;
122 params->ring = ring;
123
124 return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
125 sizeof(*params),
126 GXIO_MPIPE_OP_INIT_NOTIF_RING_AUX);
127}
128
129EXPORT_SYMBOL(gxio_mpipe_init_notif_ring_aux);
130
131struct request_notif_ring_interrupt_param {
132 union iorpc_interrupt interrupt;
133 unsigned int ring;
134};
135
136int gxio_mpipe_request_notif_ring_interrupt(gxio_mpipe_context_t * context,
137 int inter_x, int inter_y,
138 int inter_ipi, int inter_event,
139 unsigned int ring)
140{
141 struct request_notif_ring_interrupt_param temp;
142 struct request_notif_ring_interrupt_param *params = &temp;
143
144 params->interrupt.kernel.x = inter_x;
145 params->interrupt.kernel.y = inter_y;
146 params->interrupt.kernel.ipi = inter_ipi;
147 params->interrupt.kernel.event = inter_event;
148 params->ring = ring;
149
150 return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
151 sizeof(*params),
152 GXIO_MPIPE_OP_REQUEST_NOTIF_RING_INTERRUPT);
153}
154
155EXPORT_SYMBOL(gxio_mpipe_request_notif_ring_interrupt);
156
157struct enable_notif_ring_interrupt_param {
158 unsigned int ring;
159};
160
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