// SPDX-License-Identifier: GPL-2.0 OR MIT
/*
* Copyright 2021 VMware , Inc . , Palo Alto , CA . , USA
*
* Permission is hereby granted , free of charge , to any person obtaining a
* copy of this software and associated documentation files ( the
* " Software " ) , to deal in the Software without restriction , including
* without limitation the rights to use , copy , modify , merge , publish ,
* distribute , sub license , and / or sell copies of the Software , and to
* permit persons to whom the Software is furnished to do so , subject to
* the following conditions :
*
* The above copyright notice and this permission notice ( including the
* next paragraph ) shall be included in all copies or substantial portions
* of the Software .
*
* THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND , EXPRESS OR
* IMPLIED , INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY ,
* FITNESS FOR A PARTICULAR PURPOSE AND NON - INFRINGEMENT . IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS , AUTHORS AND / OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM ,
* DAMAGES OR OTHER LIABILITY , WHETHER IN AN ACTION OF CONTRACT , TORT OR
* OTHERWISE , ARISING FROM , OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE .
*
*/
#ifndef _VMWGFX_MSG_ARM64_H
#define _VMWGFX_MSG_ARM64_H
#if defined (__aarch64__)
#define VMWARE_HYPERVISOR_PORT 0 x5658
#define VMWARE_HYPERVISOR_PORT_HB 0 x5659
#define VMWARE_HYPERVISOR_HB BIT(0 )
#define VMWARE_HYPERVISOR_OUT BIT(1 )
#define VMWARE_HYPERVISOR_MAGIC 0 x564D5868
#define X86_IO_MAGIC 0 x86
#define X86_IO_W7_SIZE_SHIFT 0
#define X86_IO_W7_SIZE_MASK (0 x3 << X86_IO_W7_SIZE_SHIFT)
#define X86_IO_W7_DIR (1 << 2 )
#define X86_IO_W7_WITH (1 << 3 )
#define X86_IO_W7_STR (1 << 4 )
#define X86_IO_W7_DF (1 << 5 )
#define X86_IO_W7_IMM_SHIFT 5
#define X86_IO_W7_IMM_MASK (0 xff << X86_IO_W7_IMM_SHIFT)
static inline
unsigned long vmware_hypercall1(unsigned long cmd, unsigned long in1)
{
register u64 x0 asm ("x0" ) = VMWARE_HYPERVISOR_MAGIC;
register u64 x1 asm ("x1" ) = in1;
register u64 x2 asm ("x2" ) = cmd;
register u64 x3 asm ("x3" ) = VMWARE_HYPERVISOR_PORT;
register u64 x7 asm ("x7" ) = ((u64)X86_IO_MAGIC << 32 ) |
X86_IO_W7_WITH |
X86_IO_W7_DIR |
(2 << X86_IO_W7_SIZE_SHIFT);
asm_inline volatile (
"mrs xzr, mdccsr_el0; "
: "+r" (x0)
: "r" (x1), "r" (x2), "r" (x3), "r" (x7)
: "memory" );
return x0;
}
static inline
unsigned long vmware_hypercall5(unsigned long cmd, unsigned long in1,
unsigned long in3, unsigned long in4,
unsigned long in5, u32 *out2)
{
register u64 x0 asm ("x0" ) = VMWARE_HYPERVISOR_MAGIC;
register u64 x1 asm ("x1" ) = in1;
register u64 x2 asm ("x2" ) = cmd;
register u64 x3 asm ("x3" ) = in3 | VMWARE_HYPERVISOR_PORT;
register u64 x4 asm ("x4" ) = in4;
register u64 x5 asm ("x5" ) = in5;
register u64 x7 asm ("x7" ) = ((u64)X86_IO_MAGIC << 32 ) |
X86_IO_W7_WITH |
X86_IO_W7_DIR |
(2 << X86_IO_W7_SIZE_SHIFT);
asm_inline volatile (
"mrs xzr, mdccsr_el0; "
: "+r" (x0), "+r" (x2)
: "r" (x1), "r" (x3), "r" (x4), "r" (x5), "r" (x7)
: "memory" );
*out2 = x2;
return x0;
}
static inline
unsigned long vmware_hypercall6(unsigned long cmd, unsigned long in1,
unsigned long in3, u32 *out2,
u32 *out3, u32 *out4, u32 *out5)
{
register u64 x0 asm ("x0" ) = VMWARE_HYPERVISOR_MAGIC;
register u64 x1 asm ("x1" ) = in1;
register u64 x2 asm ("x2" ) = cmd;
register u64 x3 asm ("x3" ) = in3 | VMWARE_HYPERVISOR_PORT;
register u64 x4 asm ("x4" );
register u64 x5 asm ("x5" );
register u64 x7 asm ("x7" ) = ((u64)X86_IO_MAGIC << 32 ) |
X86_IO_W7_WITH |
X86_IO_W7_DIR |
(2 << X86_IO_W7_SIZE_SHIFT);
asm_inline volatile (
"mrs xzr, mdccsr_el0; "
: "+r" (x0), "+r" (x2), "+r" (x3), "=r" (x4), "=r" (x5)
: "r" (x1), "r" (x7)
: "memory" );
*out2 = x2;
*out3 = x3;
*out4 = x4;
*out5 = x5;
return x0;
}
static inline
unsigned long vmware_hypercall7(unsigned long cmd, unsigned long in1,
unsigned long in3, unsigned long in4,
unsigned long in5, u32 *out1,
u32 *out2, u32 *out3)
{
register u64 x0 asm ("x0" ) = VMWARE_HYPERVISOR_MAGIC;
register u64 x1 asm ("x1" ) = in1;
register u64 x2 asm ("x2" ) = cmd;
register u64 x3 asm ("x3" ) = in3 | VMWARE_HYPERVISOR_PORT;
register u64 x4 asm ("x4" ) = in4;
register u64 x5 asm ("x5" ) = in5;
register u64 x7 asm ("x7" ) = ((u64)X86_IO_MAGIC << 32 ) |
X86_IO_W7_WITH |
X86_IO_W7_DIR |
(2 << X86_IO_W7_SIZE_SHIFT);
asm_inline volatile (
"mrs xzr, mdccsr_el0; "
: "+r" (x0), "+r" (x1), "+r" (x2), "+r" (x3)
: "r" (x4), "r" (x5), "r" (x7)
: "memory" );
*out1 = x1;
*out2 = x2;
*out3 = x3;
return x0;
}
static inline
unsigned long vmware_hypercall_hb(unsigned long cmd, unsigned long in2,
unsigned long in3, unsigned long in4,
unsigned long in5, unsigned long in6,
u32 *out1, int dir)
{
register u64 x0 asm ("x0" ) = VMWARE_HYPERVISOR_MAGIC;
register u64 x1 asm ("x1" ) = cmd;
register u64 x2 asm ("x2" ) = in2;
register u64 x3 asm ("x3" ) = in3 | VMWARE_HYPERVISOR_PORT_HB;
register u64 x4 asm ("x4" ) = in4;
register u64 x5 asm ("x5" ) = in5;
register u64 x6 asm ("x6" ) = in6;
register u64 x7 asm ("x7" ) = ((u64)X86_IO_MAGIC << 32 ) |
X86_IO_W7_STR |
X86_IO_W7_WITH |
dir;
asm_inline volatile (
"mrs xzr, mdccsr_el0; "
: "+r" (x0), "+r" (x1)
: "r" (x2), "r" (x3), "r" (x4), "r" (x5),
"r" (x6), "r" (x7)
: "memory" );
*out1 = x1;
return x0;
}
static inline
unsigned long vmware_hypercall_hb_out(unsigned long cmd, unsigned long in2,
unsigned long in3, unsigned long in4,
unsigned long in5, unsigned long in6,
u32 *out1)
{
return vmware_hypercall_hb(cmd, in2, in3, in4, in5, in6, out1, 0 );
}
static inline
unsigned long vmware_hypercall_hb_in(unsigned long cmd, unsigned long in2,
unsigned long in3, unsigned long in4,
unsigned long in5, unsigned long in6,
u32 *out1)
{
return vmware_hypercall_hb(cmd, in2, in3, in4, in5, in6, out1,
X86_IO_W7_DIR);
}
#endif
#endif /* _VMWGFX_MSG_ARM64_H */
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