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HV: setup px info when create vm

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The vm px info would be used for guest Pstate control.
Currently it is copied from host boot cpu.

Signed-off-by: Victor Sun <victor.sun@intel.com>
Acked-by: Kevin Tian <kevin.tian@intel.com>
This commit is contained in:
Victor Sun
2018-04-05 19:58:40 +08:00
committed by Jack Ren
parent a28fbd15b5
commit 0e2b9fc7fa
5 changed files with 41 additions and 0 deletions
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30
hypervisor/arch/x86/cpu_state_tbl.c
View File

@@ -31,6 +31,7 @@
#include <hv_lib.h>
#include <cpu.h>
#include <acrn_common.h>
#include <hv_arch.h>
#include <cpu_state_tbl.h>
/* The table includes cpu px info of Intel A3960 SoC */
@@ -105,3 +106,32 @@ void load_cpu_state_data(void)
boot_cpu_data.px_data = (cpu_state_tbl + tbl_idx)->px_data;
}
void vm_setup_cpu_px(struct vm *vm)
{
uint32_t px_data_size;
vm->pm.px_cnt = 0;
memset(vm->pm.px_data, 0, MAX_PSTATE * sizeof(struct cpu_px_data));
if ((!boot_cpu_data.px_cnt) || (!boot_cpu_data.px_data)) {
return;
}
if (boot_cpu_data.px_cnt > MAX_PSTATE) {
vm->pm.px_cnt = MAX_PSTATE;
} else {
vm->pm.px_cnt = boot_cpu_data.px_cnt;
}
px_data_size = vm->pm.px_cnt * sizeof(struct cpu_px_data);
memcpy_s(vm->pm.px_data, px_data_size,
boot_cpu_data.px_data, px_data_size);
}
void vm_setup_cpu_state(struct vm *vm)
{
vm_setup_cpu_px(vm);
}

3
hypervisor/arch/x86/guest/vm.c
View File

@@ -34,6 +34,7 @@
#include <bsp_extern.h>
#include <hv_debug.h>
#include <multiboot.h>
#include <cpu_state_tbl.h>
/* Local variables */
@@ -153,6 +154,8 @@ int create_vm(struct vm_description *vm_desc, struct vm **rtn_vm)
*/
setup_io_bitmap(vm);
vm_setup_cpu_state(vm);
/* Create virtual uart */
if (is_vm0(vm))
vm->vuart = vuart_init(vm);