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-rw-r--r--arch/sparc64/kernel/entry.h27
-rw-r--r--arch/sparc64/kernel/irq.c21
2 files changed, 29 insertions, 19 deletions
diff --git a/arch/sparc64/kernel/entry.h b/arch/sparc64/kernel/entry.h
index a5084d6821ba..e66d94c7caff 100644
--- a/arch/sparc64/kernel/entry.h
+++ b/arch/sparc64/kernel/entry.h
@@ -153,4 +153,31 @@ struct cheetah_err_info {
153 */ 153 */
154extern struct cheetah_err_info *cheetah_error_log; 154extern struct cheetah_err_info *cheetah_error_log;
155 155
156/* UPA nodes send interrupt packet to UltraSparc with first data reg
157 * value low 5 (7 on Starfire) bits holding the IRQ identifier being
158 * delivered. We must translate this into a non-vector IRQ so we can
159 * set the softint on this cpu.
160 *
161 * To make processing these packets efficient and race free we use
162 * an array of irq buckets below. The interrupt vector handler in
163 * entry.S feeds incoming packets into per-cpu pil-indexed lists.
164 *
165 * If you make changes to ino_bucket, please update hand coded assembler
166 * of the vectored interrupt trap handler(s) in entry.S and sun4v_ivec.S
167 */
168struct ino_bucket {
169/*0x00*/unsigned long __irq_chain_pa;
170
171 /* Virtual interrupt number assigned to this INO. */
172/*0x08*/unsigned int __virt_irq;
173/*0x0c*/unsigned int __pad;
174};
175
176extern struct ino_bucket *ivector_table;
177extern unsigned long ivector_table_pa;
178
179extern void handler_irq(int irq, struct pt_regs *regs);
180extern void init_irqwork_curcpu(void);
181extern void __cpuinit sun4v_register_mondo_queues(int this_cpu);
182
156#endif /* _ENTRY_H */ 183#endif /* _ENTRY_H */
diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c
index 5ec06c8c7fea..eb88bd6e674e 100644
--- a/arch/sparc64/kernel/irq.c
+++ b/arch/sparc64/kernel/irq.c
@@ -44,27 +44,10 @@
44#include <asm/hypervisor.h> 44#include <asm/hypervisor.h>
45#include <asm/cacheflush.h> 45#include <asm/cacheflush.h>
46 46
47/* UPA nodes send interrupt packet to UltraSparc with first data reg 47#include "entry.h"
48 * value low 5 (7 on Starfire) bits holding the IRQ identifier being
49 * delivered. We must translate this into a non-vector IRQ so we can
50 * set the softint on this cpu.
51 *
52 * To make processing these packets efficient and race free we use
53 * an array of irq buckets below. The interrupt vector handler in
54 * entry.S feeds incoming packets into per-cpu pil-indexed lists.
55 *
56 * If you make changes to ino_bucket, please update hand coded assembler
57 * of the vectored interrupt trap handler(s) in entry.S and sun4v_ivec.S
58 */
59struct ino_bucket {
60/*0x00*/unsigned long __irq_chain_pa;
61
62 /* Virtual interrupt number assigned to this INO. */
63/*0x08*/unsigned int __virt_irq;
64/*0x0c*/unsigned int __pad;
65};
66 48
67#define NUM_IVECS (IMAP_INR + 1) 49#define NUM_IVECS (IMAP_INR + 1)
50
68struct ino_bucket *ivector_table; 51struct ino_bucket *ivector_table;
69unsigned long ivector_table_pa; 52unsigned long ivector_table_pa;
70 53