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staging: unisys: visorbus: move unisys_vmcall into visorchipset 

The only one using unisys_vmcall was visorchipset.c, it can be moved into
the visorchipset file directly instead of being in a header file.

Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
David Kershner 2017-03-28 09:35:00 -04:00 committed by Greg Kroah-Hartman
parent fd1040997b
commit 88845f407c
2 changed files with 20 additions and 20 deletions
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21
drivers/staging/unisys/visorbus/visorchipset.c
View File

@ -1354,6 +1354,25 @@ chipset_notready_uevent(struct controlvm_message_header *msg_hdr)
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)
{
@ -1362,7 +1381,7 @@ issue_vmcall_io_controlvm_addr(u64 *control_addr, u32 *control_bytes)
u64 physaddr;
physaddr = virt_to_phys(&params);
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;

19
drivers/staging/unisys/visorbus/vmcallinterface.h
View File

@ -20,22 +20,6 @@
* 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,
@ -83,9 +67,6 @@ enum vmcall_monitor_interface_method_tuple { /* VMCALL identification tuples */
#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 */