return res;
}
+static int unisys_vmcall(unsigned long tuple, unsigned long param)
+{
+ int result = 0;
+ unsigned int cpuid_eax, cpuid_ebx, cpuid_ecx, cpuid_edx;
+ unsigned long reg_ebx;
+ unsigned long reg_ecx;
+
+ reg_ebx = param & 0xFFFFFFFF;
+ reg_ecx = param >> 32;
+
+ cpuid(0x00000001, &cpuid_eax, &cpuid_ebx, &cpuid_ecx, &cpuid_edx);
+ if (!(cpuid_ecx & 0x80000000))
+ return -EPERM;
+
+ __asm__ __volatile__(".byte 0x00f, 0x001, 0x0c1" : "=a"(result) :
+ "a"(tuple), "b"(reg_ebx), "c"(reg_ecx));
+
+ return result;
+}
static unsigned int
issue_vmcall_io_controlvm_addr(u64 *control_addr, u32 *control_bytes)
{
u64 physaddr;
physaddr = virt_to_phys(¶ms);
- unisys_vmcall(VMCALL_CONTROLVM_ADDR, physaddr, result);
+ result = unisys_vmcall(VMCALL_CONTROLVM_ADDR, physaddr);
if (VMCALL_SUCCESSFUL(result)) {
*control_addr = params.address;
*control_bytes = params.channel_bytes;
* Virtualization. The VMCALLs are provided by Monitor and used by s-Par
* drivers running in a Linux guest partition.
*/
-static inline unsigned long
-__unisys_vmcall_gnuc(unsigned long tuple, unsigned long reg_ebx,
- unsigned long reg_ecx)
-{
- unsigned long result = 0;
- unsigned int cpuid_eax, cpuid_ebx, cpuid_ecx, cpuid_edx;
-
- cpuid(0x00000001, &cpuid_eax, &cpuid_ebx, &cpuid_ecx, &cpuid_edx);
- if (!(cpuid_ecx & 0x80000000))
- return -EPERM;
-
- __asm__ __volatile__(".byte 0x00f, 0x001, 0x0c1" : "=a"(result) :
- "a"(tuple), "b"(reg_ebx), "c"(reg_ecx));
- return result;
-}
-
static inline unsigned long
__unisys_extended_vmcall_gnuc(unsigned long long tuple,
unsigned long long reg_ebx,
#define unisys_extended_vmcall(tuple, reg_ebx, reg_ecx, reg_edx) \
__unisys_extended_vmcall_gnuc(tuple, reg_ebx, reg_ecx, reg_edx)
-#define unisys_vmcall(method, param, result) \
- (result = __unisys_vmcall_gnuc((method), (param) & 0xFFFFFFFF, \
- (param) >> 32))
/* Structures for IO VMCALLs */