diff options
Diffstat (limited to 'arch/sparc64/kernel/irq.c')
-rw-r--r-- | arch/sparc64/kernel/irq.c | 21 |
1 files changed, 2 insertions, 19 deletions
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 | */ | ||
59 | struct 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 | |||
68 | struct ino_bucket *ivector_table; | 51 | struct ino_bucket *ivector_table; |
69 | unsigned long ivector_table_pa; | 52 | unsigned long ivector_table_pa; |
70 | 53 | ||