rocm-systems/rocclr/runtime/device/gpu/gpudebugger.hpp

/*******************************************************************************
 *
 *  Copyright (c) 2014 Advanced Micro Devices, Inc. (unpublished)
 *
 *  All rights reserved.  This notice is intended as a precaution against
 *  inadvertent publication and does not imply publication or any waiver
 *  of confidentiality.  The year included in the foregoing notice is the
 *  year of creation of the work.
 *
 ******************************************************************************/

#ifndef HWDBG_GPUDEBGGER_H_
#define HWDBG_GPUDEBGGER_H_

#include <cstddef>
#include <cstdint>
#include "hsa.h"
#include "sc-hsa/Interface/SCHSAInterface.h"
#include "device/device.hpp"
#include "device/hwdebug.hpp"

static const int NumberReserveVgprs = 4;

namespace gpu {

/**
 * \defgroup Services_API OCL Runtime Services API
 * @{
 */


/*!  \brief  Dispatch packet information
 *
 *   This structure contains the packet information for kernel dispatch
 */
struct PacketAmdInfo
{
    uint32_t trapReservedVgprIndex_;     //!< reserved VGPR index, -1 when they are not valid
    uint32_t scratchBufferWaveOffset_;   //!< scratch buffer wave offset, -1 when no scratch buffer
    void*    pointerToIsaBuffer_;        //!< pointer to the buffer containing ISA
    size_t   sizeOfIsaBuffer_;           //!< size of the ISA buffer
    uint32_t numberOfVgprs_;             //!< number of VGPRs used by the kernel
    uint32_t numberOfSgprs_;             //!< number of SGPRs used by the kernel
    size_t   sizeOfStaticGroupMemory_;   //!< Static local memory used by the kernel
};

/*! \brief Cache mask for invalidation
 */
struct HwDbgGpuCacheMask
{
    HwDbgGpuCacheMask() :ui32All_(0) {}

    HwDbgGpuCacheMask(uint32_t mask) :ui32All_(mask) {}

    union {
        struct {
            uint32_t sqICache_   : 1;    //!< Instruction cache
            uint32_t sqKCache_   : 1;    //!< Data cache
            uint32_t tcL1_       : 1;    //!< tcL1 cache
            uint32_t tcL2_       : 1;    //!< tcL2 cache
            uint32_t reserved_   : 28;
        };
        uint32_t ui32All_;
    };
};

/*!  \brief Address watch information
 *
 *    Information about each watch point - address, mask, mode and event
 */
struct HwDbgAddressWatch
{
    void*                           watchAddress_;  //! The address of watch point
    uint64_t                        watchMask_;     //! The mask for watch point (lower 24 bits)
    cl_dbg_address_watch_mode_amd   watchMode_;     //! The watch mode for this watch
    DebugEvent                      event_;         //! Event of the watch point (not used for now)
};

/*!  \brief Runtime structure used to communicate debug information
 *          between Ocl services and core for a kernel dispatch.
 */
struct DebugToolInfo
{
    uint64_t scratchAddress_;          //! Scratch memory address
    size_t   scratchSize_;             //! Scratch memory size
    uint64_t globalAddress_;           //! Global memory address
    uint32_t cacheDisableMask_;        //! Cache mask, indicating caches disabled
    uint32_t exceptionMask_;           //! Exception mask
    uint32_t reservedCuNum_;           //! Number of reserved CUs for display,
                                      //!   which ranges from 0 to 7 in the current implementation.
    bool     monitorMode_;             //! Debug or profiler mode
    bool     gpuSingleStepMode_;       //! SQ debug mode
    amd::Memory*   trapHandler_;       //! Trap handler address
    amd::Memory*   trapBuffer_;        //! Trap buffer address
    bool     sqPerfcounterEnable_;     //! whether SQ perf counters are enabled
};

/*!  \brief Message used by the KFD wave control for CI
 *
 *   Structure indicates the various information used by the wave control function.
 */
struct HwDebugWaveAddr
{
    uint32_t VMID_      : 4;  //! Virtual memory id
    uint32_t wave_      : 4;  //! Wave id
    uint32_t SIMD_      : 2;  //! SIMD id
    uint32_t CU_        : 4;  //! Compute unit
    uint32_t SH_        : 1;  //! Shader array
    uint32_t SE_        : 1;  //! Shader engine
};

/*! \brief Kernel code information
*
*   This structure contains the pointer of mapped kernel code for host access
*   and its size (in bytes)
*/
struct AqlCodeInfo
{
    amd_kernel_code_t *     aqlCode_;        //! pointer of AQL code to allow host access
    uint32_t                aqlCodeSize_;    //! size of AQL code
};

/**@}*/

}  // namespace gpu

#endif  // HWDBG_GPUDEBGGER_H_