FreeBSD/Linux Kernel Cross Reference
sys/arm64/include/pmc_mdep.h

     /*-
      * Copyright (c) 2009 Rui Paulo <rpaulo@FreeBSD.org>
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
     * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
     * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     *
     * $FreeBSD$
     */
    
    #ifndef _MACHINE_PMC_MDEP_H_
    #define _MACHINE_PMC_MDEP_H_
    
    #define PMC_MDEP_CLASS_INDEX_ARMV8      1
    #define PMC_MDEP_CLASS_INDEX_DMC620_CD2 2
    #define PMC_MDEP_CLASS_INDEX_DMC620_C   3
    #define PMC_MDEP_CLASS_INDEX_CMN600     4
    /*
     * On the ARMv8 platform we support the following PMCs.
     *
     * ARMV8        ARM Cortex-A53/57/72 processors
     */
    #include <dev/hwpmc/hwpmc_arm64.h>
    #include <dev/hwpmc/hwpmc_cmn600.h>
    #include <dev/hwpmc/hwpmc_dmc620.h>
    #include <dev/hwpmc/pmu_dmc620_reg.h>
    #include <machine/cmn600_reg.h>
    
    union pmc_md_op_pmcallocate {
            struct {
                    uint32_t        pm_md_config;
                    uint32_t        pm_md_flags;
    #define PM_MD_RAW_EVENT         0x1
            };
            struct pmc_md_cmn600_pmu_op_pmcallocate pm_cmn600;
            struct pmc_md_dmc620_pmu_op_pmcallocate pm_dmc620;
            uint64_t                __pad[4];
    };
    
    /* Logging */
    #define PMCLOG_READADDR         PMCLOG_READ64
    #define PMCLOG_EMITADDR         PMCLOG_EMIT64
    
    #ifdef  _KERNEL
    union pmc_md_pmc {
            struct pmc_md_arm64_pmc         pm_arm64;
            struct pmc_md_cmn600_pmc        pm_cmn600;
            struct pmc_md_dmc620_pmc        pm_dmc620;
    };
    
    #define PMC_IN_KERNEL_STACK(S,START,END)                \
            ((S) >= (START) && (S) < (END))
    #define PMC_IN_KERNEL(va)       INKERNEL((va))
    #define PMC_IN_USERSPACE(va) ((va) <= VM_MAXUSER_ADDRESS)
    #define PMC_TRAPFRAME_TO_PC(TF)         ((TF)->tf_elr)
    #define PMC_TRAPFRAME_TO_FP(TF)         ((TF)->tf_x[29])
    
    /*
     * Prototypes
     */
    struct pmc_mdep *pmc_arm64_initialize(void);
    void    pmc_arm64_finalize(struct pmc_mdep *_md);
    
    /* Optional class for CMN-600 controler's PMU. */
    int pmc_cmn600_initialize(struct pmc_mdep *md);
    void    pmc_cmn600_finalize(struct pmc_mdep *_md);
    int pmc_cmn600_nclasses(void);
    
    /* Optional class for DMC-620 controler's PMU. */
    int pmc_dmc620_initialize_cd2(struct pmc_mdep *md);
    void    pmc_dmc620_finalize_cd2(struct pmc_mdep *_md);
    int pmc_dmc620_initialize_c(struct pmc_mdep *md);
    void    pmc_dmc620_finalize_c(struct pmc_mdep *_md);
    int pmc_dmc620_nclasses(void);
    
    #endif /* _KERNEL */
    
    #endif /* !_MACHINE_PMC_MDEP_H_ */

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