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kvm/powerpc: rename kvm_hypercall() to epapr_hypercall()

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kvm_hypercall() have nothing KVM specific, so renamed to epapr_hypercall().
Also this in moved to arch/powerpc/include/asm/epapr_hcalls.h

Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Bharat Bhushan 2013-10-08 09:32:19 +05:30 committed by Alexander Graf
parent 458ff3c099
commit 1820a8d216
3 changed files with 54 additions and 56 deletions
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46
arch/powerpc/include/asm/epapr_hcalls.h
View file

@ -460,5 +460,51 @@ static inline unsigned int ev_idle(void)
return r3;
}
#ifdef CONFIG_EPAPR_PARAVIRT
static inline unsigned long epapr_hypercall(unsigned long *in,
unsigned long *out,
unsigned long nr)
{
unsigned long register r0 asm("r0");
unsigned long register r3 asm("r3") = in[0];
unsigned long register r4 asm("r4") = in[1];
unsigned long register r5 asm("r5") = in[2];
unsigned long register r6 asm("r6") = in[3];
unsigned long register r7 asm("r7") = in[4];
unsigned long register r8 asm("r8") = in[5];
unsigned long register r9 asm("r9") = in[6];
unsigned long register r10 asm("r10") = in[7];
unsigned long register r11 asm("r11") = nr;
unsigned long register r12 asm("r12");
asm volatile("bl epapr_hypercall_start"
: "=r"(r0), "=r"(r3), "=r"(r4), "=r"(r5), "=r"(r6),
"=r"(r7), "=r"(r8), "=r"(r9), "=r"(r10), "=r"(r11),
"=r"(r12)
: "r"(r3), "r"(r4), "r"(r5), "r"(r6), "r"(r7), "r"(r8),
"r"(r9), "r"(r10), "r"(r11)
: "memory", "cc", "xer", "ctr", "lr");
out[0] = r4;
out[1] = r5;
out[2] = r6;
out[3] = r7;
out[4] = r8;
out[5] = r9;
out[6] = r10;
out[7] = r11;
return r3;
}
#else
static unsigned long epapr_hypercall(unsigned long *in,
unsigned long *out,
unsigned long nr)
{
return EV_UNIMPLEMENTED;
}
#endif
#endif /* !__ASSEMBLY__ */
#endif /* _EPAPR_HCALLS_H */

23
arch/powerpc/include/asm/kvm_para.h
View file

@ -39,10 +39,6 @@ static inline int kvm_para_available(void)
return 1;
}
extern unsigned long kvm_hypercall(unsigned long *in,
unsigned long *out,
unsigned long nr);
#else
static inline int kvm_para_available(void)
@ -50,13 +46,6 @@ static inline int kvm_para_available(void)
return 0;
}
static unsigned long kvm_hypercall(unsigned long *in,
unsigned long *out,
unsigned long nr)
{
return EV_UNIMPLEMENTED;
}
#endif
static inline long kvm_hypercall0_1(unsigned int nr, unsigned long *r2)
@ -65,7 +54,7 @@ static inline long kvm_hypercall0_1(unsigned int nr, unsigned long *r2)
unsigned long out[8];
unsigned long r;
r = kvm_hypercall(in, out, KVM_HCALL_TOKEN(nr));
r = epapr_hypercall(in, out, KVM_HCALL_TOKEN(nr));
*r2 = out[0];
return r;
@ -76,7 +65,7 @@ static inline long kvm_hypercall0(unsigned int nr)
unsigned long in[8];
unsigned long out[8];
return kvm_hypercall(in, out, KVM_HCALL_TOKEN(nr));
return epapr_hypercall(in, out, KVM_HCALL_TOKEN(nr));
}
static inline long kvm_hypercall1(unsigned int nr, unsigned long p1)
@ -85,7 +74,7 @@ static inline long kvm_hypercall1(unsigned int nr, unsigned long p1)
unsigned long out[8];
in[0] = p1;
return kvm_hypercall(in, out, KVM_HCALL_TOKEN(nr));
return epapr_hypercall(in, out, KVM_HCALL_TOKEN(nr));
}
static inline long kvm_hypercall2(unsigned int nr, unsigned long p1,
@ -96,7 +85,7 @@ static inline long kvm_hypercall2(unsigned int nr, unsigned long p1,
in[0] = p1;
in[1] = p2;
return kvm_hypercall(in, out, KVM_HCALL_TOKEN(nr));
return epapr_hypercall(in, out, KVM_HCALL_TOKEN(nr));
}
static inline long kvm_hypercall3(unsigned int nr, unsigned long p1,
@ -108,7 +97,7 @@ static inline long kvm_hypercall3(unsigned int nr, unsigned long p1,
in[0] = p1;
in[1] = p2;
in[2] = p3;
return kvm_hypercall(in, out, KVM_HCALL_TOKEN(nr));
return epapr_hypercall(in, out, KVM_HCALL_TOKEN(nr));
}
static inline long kvm_hypercall4(unsigned int nr, unsigned long p1,
@ -122,7 +111,7 @@ static inline long kvm_hypercall4(unsigned int nr, unsigned long p1,
in[1] = p2;
in[2] = p3;
in[3] = p4;
return kvm_hypercall(in, out, KVM_HCALL_TOKEN(nr));
return epapr_hypercall(in, out, KVM_HCALL_TOKEN(nr));
}

41
arch/powerpc/kernel/kvm.c
View file

@ -413,13 +413,13 @@ static void kvm_map_magic_page(void *data)
{
u32 *features = data;
ulong in[8];
ulong in[8] = {0};
ulong out[8];
in[0] = KVM_MAGIC_PAGE;
in[1] = KVM_MAGIC_PAGE;
kvm_hypercall(in, out, KVM_HCALL_TOKEN(KVM_HC_PPC_MAP_MAGIC_PAGE));
epapr_hypercall(in, out, KVM_HCALL_TOKEN(KVM_HC_PPC_MAP_MAGIC_PAGE));
*features = out[0];
}
@ -711,43 +711,6 @@ static void kvm_use_magic_page(void)
kvm_patching_worked ? "worked" : "failed");
}
unsigned long kvm_hypercall(unsigned long *in,
unsigned long *out,
unsigned long nr)
{
unsigned long register r0 asm("r0");
unsigned long register r3 asm("r3") = in[0];
unsigned long register r4 asm("r4") = in[1];
unsigned long register r5 asm("r5") = in[2];
unsigned long register r6 asm("r6") = in[3];
unsigned long register r7 asm("r7") = in[4];
unsigned long register r8 asm("r8") = in[5];
unsigned long register r9 asm("r9") = in[6];
unsigned long register r10 asm("r10") = in[7];
unsigned long register r11 asm("r11") = nr;
unsigned long register r12 asm("r12");
asm volatile("bl epapr_hypercall_start"
: "=r"(r0), "=r"(r3), "=r"(r4), "=r"(r5), "=r"(r6),
"=r"(r7), "=r"(r8), "=r"(r9), "=r"(r10), "=r"(r11),
"=r"(r12)
: "r"(r3), "r"(r4), "r"(r5), "r"(r6), "r"(r7), "r"(r8),
"r"(r9), "r"(r10), "r"(r11)
: "memory", "cc", "xer", "ctr", "lr");
out[0] = r4;
out[1] = r5;
out[2] = r6;
out[3] = r7;
out[4] = r8;
out[5] = r9;
out[6] = r10;
out[7] = r11;
return r3;
}
EXPORT_SYMBOL_GPL(kvm_hypercall);
static __init void kvm_free_tmp(void)
{
free_reserved_area(&kvm_tmp[kvm_tmp_index],