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1 /*
2  * spu hypervisor abstraction for Beat
3  *
4  * (C) Copyright 2006-2007 TOSHIBA CORPORATION
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License along
17  * with this program; if not, write to the Free Software Foundation, Inc.,
18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19  */
20 
21 #include <asm/types.h>
22 #include <asm/spu.h>
23 #include <asm/spu_priv1.h>
24 
25 #include "beat_wrapper.h"
26 
_int_mask_set(struct spu * spu,int class,u64 mask)27 static inline void _int_mask_set(struct spu *spu, int class, u64 mask)
28 {
29 	spu->shadow_int_mask_RW[class] = mask;
30 	beat_set_irq_mask_for_spe(spu->spe_id, class, mask);
31 }
32 
_int_mask_get(struct spu * spu,int class)33 static inline u64 _int_mask_get(struct spu *spu, int class)
34 {
35 	return spu->shadow_int_mask_RW[class];
36 }
37 
int_mask_set(struct spu * spu,int class,u64 mask)38 static void int_mask_set(struct spu *spu, int class, u64 mask)
39 {
40 	_int_mask_set(spu, class, mask);
41 }
42 
int_mask_get(struct spu * spu,int class)43 static u64 int_mask_get(struct spu *spu, int class)
44 {
45 	return _int_mask_get(spu, class);
46 }
47 
int_mask_and(struct spu * spu,int class,u64 mask)48 static void int_mask_and(struct spu *spu, int class, u64 mask)
49 {
50 	u64 old_mask;
51 	old_mask = _int_mask_get(spu, class);
52 	_int_mask_set(spu, class, old_mask & mask);
53 }
54 
int_mask_or(struct spu * spu,int class,u64 mask)55 static void int_mask_or(struct spu *spu, int class, u64 mask)
56 {
57 	u64 old_mask;
58 	old_mask = _int_mask_get(spu, class);
59 	_int_mask_set(spu, class, old_mask | mask);
60 }
61 
int_stat_clear(struct spu * spu,int class,u64 stat)62 static void int_stat_clear(struct spu *spu, int class, u64 stat)
63 {
64 	beat_clear_interrupt_status_of_spe(spu->spe_id, class, stat);
65 }
66 
int_stat_get(struct spu * spu,int class)67 static u64 int_stat_get(struct spu *spu, int class)
68 {
69 	u64 int_stat;
70 	beat_get_interrupt_status_of_spe(spu->spe_id, class, &int_stat);
71 	return int_stat;
72 }
73 
cpu_affinity_set(struct spu * spu,int cpu)74 static void cpu_affinity_set(struct spu *spu, int cpu)
75 {
76 	return;
77 }
78 
mfc_dar_get(struct spu * spu)79 static u64 mfc_dar_get(struct spu *spu)
80 {
81 	u64 dar;
82 	beat_get_spe_privileged_state_1_registers(
83 		spu->spe_id,
84 		offsetof(struct spu_priv1, mfc_dar_RW), &dar);
85 	return dar;
86 }
87 
mfc_dsisr_get(struct spu * spu)88 static u64 mfc_dsisr_get(struct spu *spu)
89 {
90 	u64 dsisr;
91 	beat_get_spe_privileged_state_1_registers(
92 		spu->spe_id,
93 		offsetof(struct spu_priv1, mfc_dsisr_RW), &dsisr);
94 	return dsisr;
95 }
96 
mfc_dsisr_set(struct spu * spu,u64 dsisr)97 static void mfc_dsisr_set(struct spu *spu, u64 dsisr)
98 {
99 	beat_set_spe_privileged_state_1_registers(
100 		spu->spe_id,
101 		offsetof(struct spu_priv1, mfc_dsisr_RW), dsisr);
102 }
103 
mfc_sdr_setup(struct spu * spu)104 static void mfc_sdr_setup(struct spu *spu)
105 {
106 	return;
107 }
108 
mfc_sr1_set(struct spu * spu,u64 sr1)109 static void mfc_sr1_set(struct spu *spu, u64 sr1)
110 {
111 	beat_set_spe_privileged_state_1_registers(
112 		spu->spe_id,
113 		offsetof(struct spu_priv1, mfc_sr1_RW), sr1);
114 }
115 
mfc_sr1_get(struct spu * spu)116 static u64 mfc_sr1_get(struct spu *spu)
117 {
118 	u64 sr1;
119 	beat_get_spe_privileged_state_1_registers(
120 		spu->spe_id,
121 		offsetof(struct spu_priv1, mfc_sr1_RW), &sr1);
122 	return sr1;
123 }
124 
mfc_tclass_id_set(struct spu * spu,u64 tclass_id)125 static void mfc_tclass_id_set(struct spu *spu, u64 tclass_id)
126 {
127 	beat_set_spe_privileged_state_1_registers(
128 		spu->spe_id,
129 		offsetof(struct spu_priv1, mfc_tclass_id_RW), tclass_id);
130 }
131 
mfc_tclass_id_get(struct spu * spu)132 static u64 mfc_tclass_id_get(struct spu *spu)
133 {
134 	u64 tclass_id;
135 	beat_get_spe_privileged_state_1_registers(
136 		spu->spe_id,
137 		offsetof(struct spu_priv1, mfc_tclass_id_RW), &tclass_id);
138 	return tclass_id;
139 }
140 
tlb_invalidate(struct spu * spu)141 static void tlb_invalidate(struct spu *spu)
142 {
143 	beat_set_spe_privileged_state_1_registers(
144 		spu->spe_id,
145 		offsetof(struct spu_priv1, tlb_invalidate_entry_W), 0ul);
146 }
147 
resource_allocation_groupID_set(struct spu * spu,u64 id)148 static void resource_allocation_groupID_set(struct spu *spu, u64 id)
149 {
150 	beat_set_spe_privileged_state_1_registers(
151 		spu->spe_id,
152 		offsetof(struct spu_priv1, resource_allocation_groupID_RW),
153 		id);
154 }
155 
resource_allocation_groupID_get(struct spu * spu)156 static u64 resource_allocation_groupID_get(struct spu *spu)
157 {
158 	u64 id;
159 	beat_get_spe_privileged_state_1_registers(
160 		spu->spe_id,
161 		offsetof(struct spu_priv1, resource_allocation_groupID_RW),
162 		&id);
163 	return id;
164 }
165 
resource_allocation_enable_set(struct spu * spu,u64 enable)166 static void resource_allocation_enable_set(struct spu *spu, u64 enable)
167 {
168 	beat_set_spe_privileged_state_1_registers(
169 		spu->spe_id,
170 		offsetof(struct spu_priv1, resource_allocation_enable_RW),
171 		enable);
172 }
173 
resource_allocation_enable_get(struct spu * spu)174 static u64 resource_allocation_enable_get(struct spu *spu)
175 {
176 	u64 enable;
177 	beat_get_spe_privileged_state_1_registers(
178 		spu->spe_id,
179 		offsetof(struct spu_priv1, resource_allocation_enable_RW),
180 		&enable);
181 	return enable;
182 }
183 
184 const struct spu_priv1_ops spu_priv1_beat_ops = {
185 	.int_mask_and = int_mask_and,
186 	.int_mask_or = int_mask_or,
187 	.int_mask_set = int_mask_set,
188 	.int_mask_get = int_mask_get,
189 	.int_stat_clear = int_stat_clear,
190 	.int_stat_get = int_stat_get,
191 	.cpu_affinity_set = cpu_affinity_set,
192 	.mfc_dar_get = mfc_dar_get,
193 	.mfc_dsisr_get = mfc_dsisr_get,
194 	.mfc_dsisr_set = mfc_dsisr_set,
195 	.mfc_sdr_setup = mfc_sdr_setup,
196 	.mfc_sr1_set = mfc_sr1_set,
197 	.mfc_sr1_get = mfc_sr1_get,
198 	.mfc_tclass_id_set = mfc_tclass_id_set,
199 	.mfc_tclass_id_get = mfc_tclass_id_get,
200 	.tlb_invalidate = tlb_invalidate,
201 	.resource_allocation_groupID_set = resource_allocation_groupID_set,
202 	.resource_allocation_groupID_get = resource_allocation_groupID_get,
203 	.resource_allocation_enable_set = resource_allocation_enable_set,
204 	.resource_allocation_enable_get = resource_allocation_enable_get,
205 };
206