mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-06 01:06:41 +07:00
cfafae9403
The dom0_op hypercall has been renamed to platform_op since Xen 3.2, which is ancient, and modern upstream Linux kernels cannot run as dom0 and it anymore anyway. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
78 lines
2.7 KiB
C
78 lines
2.7 KiB
C
/******************************************************************************
|
|
* acpi.c
|
|
* acpi file for domain 0 kernel
|
|
*
|
|
* Copyright (c) 2011 Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
|
|
* Copyright (c) 2011 Yu Ke ke.yu@intel.com
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License version 2
|
|
* as published by the Free Software Foundation; or, when distributed
|
|
* separately from the Linux kernel or incorporated into other
|
|
* software packages, subject to the following license:
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this source file (the "Software"), to deal in the Software without
|
|
* restriction, including without limitation the rights to use, copy, modify,
|
|
* merge, publish, distribute, sublicense, 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 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 NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS 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.
|
|
*/
|
|
|
|
#include <xen/acpi.h>
|
|
#include <xen/interface/platform.h>
|
|
#include <asm/xen/hypercall.h>
|
|
#include <asm/xen/hypervisor.h>
|
|
|
|
static int xen_acpi_notify_hypervisor_state(u8 sleep_state,
|
|
u32 val_a, u32 val_b,
|
|
bool extended)
|
|
{
|
|
unsigned int bits = extended ? 8 : 16;
|
|
|
|
struct xen_platform_op op = {
|
|
.cmd = XENPF_enter_acpi_sleep,
|
|
.interface_version = XENPF_INTERFACE_VERSION,
|
|
.u.enter_acpi_sleep = {
|
|
.val_a = (u16)val_a,
|
|
.val_b = (u16)val_b,
|
|
.sleep_state = sleep_state,
|
|
.flags = extended ? XENPF_ACPI_SLEEP_EXTENDED : 0,
|
|
},
|
|
};
|
|
|
|
if (WARN((val_a & (~0 << bits)) || (val_b & (~0 << bits)),
|
|
"Using more than %u bits of sleep control values %#x/%#x!"
|
|
"Email xen-devel@lists.xen.org - Thank you.\n", \
|
|
bits, val_a, val_b))
|
|
return -1;
|
|
|
|
HYPERVISOR_platform_op(&op);
|
|
return 1;
|
|
}
|
|
|
|
int xen_acpi_notify_hypervisor_sleep(u8 sleep_state,
|
|
u32 pm1a_cnt, u32 pm1b_cnt)
|
|
{
|
|
return xen_acpi_notify_hypervisor_state(sleep_state, pm1a_cnt,
|
|
pm1b_cnt, false);
|
|
}
|
|
|
|
int xen_acpi_notify_hypervisor_extended_sleep(u8 sleep_state,
|
|
u32 val_a, u32 val_b)
|
|
{
|
|
return xen_acpi_notify_hypervisor_state(sleep_state, val_a,
|
|
val_b, true);
|
|
}
|