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// 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 0x5658
#define VMWARE_HYPERVISOR_PORT_HB 0x5659
#define VMWARE_HYPERVISOR_HB BIT(0)
#define VMWARE_HYPERVISOR_OUT BIT(1)
#define VMWARE_HYPERVISOR_MAGIC 0x564D5868
#define X86_IO_MAGIC 0x86
#define X86_IO_W7_SIZE_SHIFT 0
#define X86_IO_W7_SIZE_MASK (0x3 << 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 (0xff << 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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