diff options
| author | David S. Miller <davem@sunset.davemloft.net> | 2006-02-16 14:26:53 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-03-20 01:13:16 -0800 |
| commit | 94f8762db9a80ed34252e9fe5fa38be87bb7826b (patch) | |
| tree | 22279c62d2d4d583c64f1d2c6122f4eb98b429a6 | |
| parent | bc45e32e0fbf661d0c5c5b9c981bc0fe5da4901f (diff) | |
[SPARC64]: Add sun4v_cpu_qconf() hypervisor call.
Call it from register_one_mondo().
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | arch/sparc64/kernel/entry.S | 12 | ||||
| -rw-r--r-- | arch/sparc64/kernel/irq.c | 26 | ||||
| -rw-r--r-- | include/asm-sparc64/hypervisor.h | 6 |
3 files changed, 25 insertions, 19 deletions
diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S index bf40b065bcc..f5c8a293979 100644 --- a/arch/sparc64/kernel/entry.S +++ b/arch/sparc64/kernel/entry.S @@ -1772,3 +1772,15 @@ sun4v_intr_settarget: retl nop + /* %o0: type + * %o1: queue paddr + * %o2: num queue entries + * + * returns %o0: status + */ + .globl sun4v_cpu_qconf +sun4v_cpu_qconf: + mov HV_FAST_CPU_QCONF, %o5 + ta HV_FAST_TRAP + retl + nop diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c index 4d9931d124a..e1729e5189a 100644 --- a/arch/sparc64/kernel/irq.c +++ b/arch/sparc64/kernel/irq.c @@ -939,25 +939,13 @@ void init_irqwork_curcpu(void) static void __cpuinit register_one_mondo(unsigned long paddr, unsigned long type) { - register unsigned long func __asm__("%o5"); - register unsigned long arg0 __asm__("%o0"); - register unsigned long arg1 __asm__("%o1"); - register unsigned long arg2 __asm__("%o2"); - - func = HV_FAST_CPU_QCONF; - arg0 = type; - arg1 = paddr; - arg2 = 128; /* XXX Implied by Niagara queue offsets. XXX */ - __asm__ __volatile__("ta %8" - : "=&r" (func), "=&r" (arg0), - "=&r" (arg1), "=&r" (arg2) - : "0" (func), "1" (arg0), - "2" (arg1), "3" (arg2), - "i" (HV_FAST_TRAP)); - - if (arg0 != HV_EOK) { - prom_printf("SUN4V: cpu_qconf(%lu) failed with error %lu\n", - type, func); + unsigned long num_entries = 128; + unsigned long status; + + status = sun4v_cpu_qconf(type, paddr, num_entries); + if (status != HV_EOK) { + prom_printf("SUN4V: sun4v_cpu_qconf(%lu:%lx:%lu) failed, " + "err %lu\n", type, paddr, num_entries, status); prom_halt(); } } diff --git a/include/asm-sparc64/hypervisor.h b/include/asm-sparc64/hypervisor.h index f14992ab7fe..cd5fbcd9556 100644 --- a/include/asm-sparc64/hypervisor.h +++ b/include/asm-sparc64/hypervisor.h @@ -301,6 +301,12 @@ #define HV_CPU_QUEUE_RES_ERROR 0x3e #define HV_CPU_QUEUE_NONRES_ERROR 0x3f +#ifndef __ASSEMBLY__ +extern unsigned long sun4v_cpu_qconf(unsigned long type, + unsigned long queue_paddr, + unsigned long num_queue_entries); +#endif + /* cpu_qinfo() * TRAP: HV_FAST_TRAP * FUNCTION: HV_FAST_CPU_QINFO |