/*

 * psr.h: Platform Shared Resource related service for guest.

 *

 * Copyright (c) 2014, Intel Corporation

 * Author: Dongxiao Xu <dongxiao.xu@intel.com>

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms and conditions of the GNU General Public License,

 * version 2, as published by the Free Software Foundation.

 *

 * This program is distributed in the hope it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for

 * more details.

 */

#ifndef __ASM_PSR_H__

#define __ASM_PSR_H__

#include <xen/types.h>

/* CAT cpuid level */

#define PSR_CPUID_LEVEL_CAT             0x10

/* Resource Type Enumeration */

#define PSR_RESOURCE_TYPE_L3            0x2

#define PSR_RESOURCE_TYPE_L2            0x4

/* L3 Monitoring Features */

#define PSR_CMT_L3_OCCUPANCY            0x1

/* CDP Capability */

#define PSR_CAT_CDP_CAPABILITY          (1u << 2)

/* L3 CDP Enable bit*/

#define PSR_L3_QOS_CDP_ENABLE_BIT       0x0

/* Used by psr_get_info() */

#define PSR_INFO_IDX_COS_MAX            0

#define PSR_INFO_IDX_CAT_CBM_LEN        1

#define PSR_INFO_IDX_CAT_FLAG           2

#define PSR_INFO_ARRAY_SIZE             3

struct psr_cmt_l3 {

    unsigned int features;

    unsigned int upscaling_factor;

    unsigned int rmid_max;

};

struct psr_cmt {

    unsigned int rmid_max;

    unsigned int features;

    domid_t *rmid_to_dom;

    struct psr_cmt_l3 l3;

};

enum cbm_type {

    PSR_CBM_TYPE_L3,

    PSR_CBM_TYPE_L3_CODE,

    PSR_CBM_TYPE_L3_DATA,

    PSR_CBM_TYPE_L2,

    PSR_CBM_TYPE_UNKNOWN,

};

extern struct psr_cmt *psr_cmt;

static inline bool_t psr_cmt_enabled(void)

{

    return !!psr_cmt;

}

Unexecuted instantiation: domctl.c:psr_cmt_enabled

Unexecuted instantiation: domain.c:psr_cmt_enabled

psr.c:psr_cmt_enabled

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Source

67

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{

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39.5k

    return !!psr_cmt;

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39.5k

}

Unexecuted instantiation: sysctl.c:psr_cmt_enabled

int psr_alloc_rmid(struct domain *d);

void psr_free_rmid(struct domain *d);

void psr_ctxt_switch_to(struct domain *d);

int psr_get_info(unsigned int socket, enum cbm_type type,

                 uint32_t data[], unsigned int array_len);

int psr_get_val(struct domain *d, unsigned int socket,

                uint32_t *val, enum cbm_type type);

int psr_set_val(struct domain *d, unsigned int socket,

                uint64_t val, enum cbm_type type);

void psr_domain_init(struct domain *d);

void psr_domain_free(struct domain *d);

#endif /* __ASM_PSR_H__ */

/*

 * Local variables:

 * mode: C

 * c-file-style: "BSD"

 * c-basic-offset: 4

 * tab-width: 4

 * indent-tabs-mode: nil

 * End:

 */