acrn-hypervisor/hypervisor/include/arch/x86/cat.h

30 lines
715 B
C

/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef CAT_H
#define CAT_H
/* The intel Resource Director Tech(RDT) based Cache Allocation Tech support */
struct cat_hw_info {
bool support; /* If L2/L3 CAT supported */
bool enabled; /* If any VM setup CLOS */
uint32_t bitmask; /* Used by other entities */
uint16_t cbm_len; /* Length of Cache mask in bits */
uint16_t clos_max; /* Maximum CLOS supported, the number of cache masks */
uint32_t res_id;
};
extern struct cat_hw_info cat_cap_info;
void setup_clos(uint16_t pcpu_id);
#define CAT_RESID_L3 1U
#define CAT_RESID_L2 2U
int32_t init_cat_cap_info(void);
#endif /* CAT_H */