[SPARC64]: Add sun4v_cpu_qconf() hypervisor call. (94f8762d) · Commits · 戴 / test

arch/sparc64/kernel/entry.S

+12 −0

+7 −19

Original line number	Diff line number	Diff line
		@@ -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();
		}
		}

+6 −0

Original line number	Diff line number	Diff line
		@@ -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