xref: /freebsd/sys/contrib/ncsw/inc/Peripherals/bm_ext.h (revision 0aeed3e99367bed5755068d9218cd8041644ff2b)

/******************************************************************************

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 **************************************************************************/
/******************************************************************************
 @File          bm_ext.h

 @Description   BM API
*//***************************************************************************/
#ifndef __BM_EXT_H
#define __BM_EXT_H

#include "error_ext.h"
#include "std_ext.h"


/**************************************************************************//**
 @Group         BM_grp Buffer Manager API

 @Description   BM API functions, definitions and enums.

 @{
*//***************************************************************************/

/**************************************************************************//**
 @Description   This callback type is used when handling pool depletion entry/exit.

                User provides this function. Driver invokes it.

 @Param[in]     h_App       - User's application descriptor.
 @Param[in]     in          - TRUE when entered depletion state
                              FALSE when exit the depletion state.
 *//***************************************************************************/
typedef void (t_BmDepletionCallback)(t_Handle h_App, bool in);

/**************************************************************************//**
 @Group         BM_lib_grp BM common API

 @Description   BM common API functions, definitions and enums.

 @{
*//***************************************************************************/

/**************************************************************************//**
 @Description   BM Exceptions
*//***************************************************************************/
typedef enum e_BmExceptions {
    e_BM_EX_INVALID_COMMAND = 0 ,   /**< Invalid Command Verb Interrupt */
    e_BM_EX_FBPR_THRESHOLD,         /**< FBPR Low Watermark Interrupt. */
    e_BM_EX_SINGLE_ECC,             /**< Single Bit ECC Error Interrupt. */
    e_BM_EX_MULTI_ECC               /**< Multi Bit ECC Error Interrupt */
} e_BmExceptions;


/**************************************************************************//**
 @Group         BM_init_grp BM (common) Initialization Unit

 @Description   BM (common) Initialization Unit

 @{
*//***************************************************************************/

/**************************************************************************//**
 @Function      t_BmExceptionsCallback

 @Description   Exceptions user callback routine, will be called upon an
                exception passing the exception identification.

 @Param[in]     h_App      - User's application descriptor.
 @Param[in]     exception  - The exception.
*//***************************************************************************/
typedef void (t_BmExceptionsCallback) (t_Handle              h_App,
                                       e_BmExceptions        exception);

/**************************************************************************//**
 @Description   structure representing BM initialization parameters
*//***************************************************************************/
typedef struct {
    uint8_t                 guestId;                /**< BM Partition Id */

    uintptr_t               baseAddress;            /**< Bm base address (virtual).
                                                         NOTE: this parameter relevant only for BM in master mode ('guestId'=NCSW_MASTER_ID). */
    uint16_t                liodn;                  /**< This value is attached to every transaction initiated by
                                                         BMan when accessing its private data structures
                                                         NOTE: this parameter relevant only for BM in master mode ('guestId'=NCSW_MASTER_ID). */
    uint32_t                totalNumOfBuffers;      /**< Total number of buffers
                                                         NOTE: this parameter relevant only for BM in master mode ('guestId'=NCSW_MASTER_ID). */
    uint32_t                fbprMemPartitionId;     /**< FBPR's mem partition id;
                                                         NOTE: The memory partition must be non-cacheable and no-coherent area.
                                                         NOTE: this parameter relevant only for BM in master mode ('guestId'=NCSW_MASTER_ID). */
    t_BmExceptionsCallback  *f_Exception;           /**< An application callback routine to handle exceptions.
                                                         NOTE: this parameter relevant only for BM in master mode ('guestId'=NCSW_MASTER_ID). */
    t_Handle                h_App;                  /**< A handle to an application layer object; This handle will
                                                         be passed by the driver upon calling the above callbacks.
                                                         NOTE: this parameter relevant only for BM in master mode ('guestId'=NCSW_MASTER_ID). */
    int                     errIrq;                 /**< BM error interrupt line; NO_IRQ if interrupts not used.
                                                         NOTE: this parameter relevant only for BM in master mode ('guestId'=NCSW_MASTER_ID). */

    uint8_t                 partBpidBase;           /**< The first buffer-pool-id dedicated to this partition.
                                                         NOTE: this parameter relevant only when working with multiple partitions. */
    uint8_t                 partNumOfPools;         /**< Number of Pools dedicated to this partition.
                                                         NOTE: this parameter relevant only when working with multiple partitions. */
} t_BmParam;


/**************************************************************************//**
 @Function      BM_Config

 @Description   Creates descriptor for the BM module and initializes the BM module.

                The routine returns a handle (descriptor) to the BM object.
                This descriptor must be passed as first parameter to all other
                BM function calls.

 @Param[in]     p_BmParam   - A pointer to data structure of parameters

 @Return        Handle to BM object, or NULL for Failure.
*//***************************************************************************/
t_Handle    BM_Config(t_BmParam *p_BmParam);

/**************************************************************************//**
 @Function      BM_Init

 @Description   Initializes the BM module

 @Param[in]     h_Bm            - A handle to the BM module

 @Return        E_OK on success; Error code otherwise.

 @Cautions      Allowed only following BM_Config().
*//***************************************************************************/
t_Error    BM_Init(t_Handle h_Bm);

/**************************************************************************//**
 @Function      BM_Free

 @Description   Frees all resources that were assigned to BM module.

                Calling this routine invalidates the descriptor.

 @Param[in]     h_Bm            - A handle to the BM module

 @Return        E_OK on success; Error code otherwise.
*//***************************************************************************/
t_Error     BM_Free(t_Handle h_Bm);

/**************************************************************************//**
 @Group         BM_advanced_init_grp    BM (common) Advanced Configuration Unit

 @Description   Configuration functions used to change default values.

 @{
*//***************************************************************************/

/**************************************************************************//**
 @Function      BM_ConfigFbprThreshold

 @Description   Change the fbpr threshold from its default
                configuration [0].
                An interrupt if enables is asserted when the number of FBPRs is below this threshold.
                NOTE: this parameter relevant only for BM in master mode ('guestId'=NCSW_MASTER_ID).

 @Param[in]     h_Bm            - A handle to the BM module
 @Param[in]     threshold       - threshold value.

 @Return        E_OK on success; Error code otherwise.

 @Cautions      Allowed only following BM_Config() and before BM_Init().
*//***************************************************************************/
t_Error     BM_ConfigFbprThreshold(t_Handle h_Bm, uint32_t threshold);

/** @} */ /* end of BM_advanced_init_grp group */
/** @} */ /* end of BM_init_grp group */

/**************************************************************************//**
 @Group         BM_runtime_control_grp BM (common) Runtime Control Unit

 @Description   BM (common) Runtime control unit API functions, definitions and enums.

 @{
*//***************************************************************************/

/**************************************************************************//**
 @Description   enum for defining BM counters
*//***************************************************************************/
typedef enum e_BmCounters {
    e_BM_COUNTERS_FBPR = 0              /**< Total Free Buffer Proxy Record (FBPR) Free Pool Count in external memory */
} e_BmCounters;

/**************************************************************************//**
 @Description   structure for returning revision information
*//***************************************************************************/
typedef struct t_BmRevisionInfo {
    uint8_t         majorRev;               /**< Major revision */
    uint8_t         minorRev;               /**< Minor revision */
} t_BmRevisionInfo;

#if (defined(DEBUG_ERRORS) && (DEBUG_ERRORS > 0))
/**************************************************************************//**
 @Function      BM_DumpRegs

 @Description   Dumps all BM registers
                NOTE: this parameter relevant only for BM in master mode ('guestId'=NCSW_MASTER_ID).

 @Param[in]     h_Bm      A handle to an BM Module.

 @Return        E_OK on success;

 @Cautions      Allowed only after BM_Init().
*//***************************************************************************/
t_Error BM_DumpRegs(t_Handle h_Bm);
#endif /* (defined(DEBUG_ERRORS) && ... */

/**************************************************************************//**
 @Function      BM_SetException

 @Description   Calling this routine enables/disables the specified exception.
                NOTE: this parameter relevant only for BM in master mode ('guestId'=NCSW_MASTER_ID).

 @Param[in]     h_Bm        - A handle to the BM Module.
 @Param[in]     exception   - The exception to be selected.
 @Param[in]     enable      - TRUE to enable interrupt, FALSE to mask it.

 @Cautions      Allowed only following BM_Init().
*//***************************************************************************/
t_Error     BM_SetException(t_Handle h_Bm, e_BmExceptions exception, bool enable);

/**************************************************************************//**
 @Function      BM_ErrorIsr

 @Description   BM interrupt-service-routine for errors.
                NOTE: this parameter relevant only for BM in master mode ('guestId'=NCSW_MASTER_ID).

 @Param[in]     h_Bm        - A handle to the BM Module.

 @Cautions      Allowed only following BM_Init().
*//***************************************************************************/
void        BM_ErrorIsr(t_Handle h_Bm);

/**************************************************************************//**
 @Function      BM_GetCounter

 @Description   Reads one of the BM counters.

 @Param[in]     h_Bm        - A handle to the BM Module.
 @Param[in]     counter     - The requested counter.

 @Return        Counter's current value.
*//***************************************************************************/
uint32_t    BM_GetCounter(t_Handle h_Bm, e_BmCounters counter);

/**************************************************************************//**
 @Function      BM_GetRevision

 @Description   Returns the BM revision

 @Param[in]     h_Bm                A handle to a BM Module.
 @Param[out]    p_BmRevisionInfo    A structure of revision information parameters.

 @Return        E_OK on success; Error code otherwise.

 @Cautions      Allowed only following QM_Init().
*//***************************************************************************/
t_Error  BM_GetRevision(t_Handle h_Bm, t_BmRevisionInfo *p_BmRevisionInfo);

/** @} */ /* end of BM_runtime_control_grp group */
/** @} */ /* end of BM_lib_grp group */


/**************************************************************************//**
 @Group         BM_portal_grp BM-Portal API

 @Description   BM-Portal API functions, definitions and enums.

 @{
*//***************************************************************************/

/**************************************************************************//**
 @Group         BM_portal_init_grp BM-Portal Initialization Unit

 @Description   BM-Portal Initialization Unit

 @{
*//***************************************************************************/

/**************************************************************************//**
 @Description   structure representing BM Portal initialization parameters
*//***************************************************************************/
typedef struct {
    uintptr_t       ceBaseAddress;          /**< Cache-enabled base address (virtual) */
    uintptr_t       ciBaseAddress;          /**< Cache-inhibited base address (virtual) */
    t_Handle        h_Bm;                   /**< Bm Handle */
    e_DpaaSwPortal  swPortalId;             /**< Portal id */
    int             irq;                    /**< portal interrupt line; NO_IRQ if interrupts not used */
} t_BmPortalParam;


/**************************************************************************//**
 @Function      BM_PORTAL_Config

 @Description   Creates descriptor for the BM Portal;

                The routine returns a handle (descriptor) to a BM-Portal object;
                This descriptor must be passed as first parameter to all other
                BM-Portal function calls.

                No actual initialization or configuration of QM-Portal hardware is
                done by this routine.

 @Param[in]     p_BmPortalParam   - Pointer to data structure of parameters

 @Retval        Handle to a BM-Portal object, or NULL for Failure.
*//***************************************************************************/
t_Handle BM_PORTAL_Config(t_BmPortalParam *p_BmPortalParam);

/**************************************************************************//**
 @Function      BM_PORTAL_Init

 @Description   Initializes a BM-Portal module

 @Param[in]     h_BmPortal - A handle to a BM-Portal module

 @Return        E_OK on success; Error code otherwise.
*//***************************************************************************/
t_Error  BM_PORTAL_Init(t_Handle h_BmPortal);

/**************************************************************************//**
 @Function      BM_PortalFree

 @Description   Frees all resources that were assigned to BM Portal module.

                Calling this routine invalidates the descriptor.

 @Param[in]     h_BmPortal  - BM Portal module descriptor

 @Return        E_OK on success; Error code otherwise.
*//***************************************************************************/
t_Error     BM_PORTAL_Free(t_Handle h_BmPortal);

/**************************************************************************//**
 @Function      BM_PORTAL_ConfigMemAttr

 @Description   Change the memory attributes
                from its default configuration [MEMORY_ATTR_CACHEABLE].

 @Param[in]     h_BmPortal          - A handle to a BM-Portal module
 @Param[in]     hwExtStructsMemAttr - memory attributes (cache/non-cache, etc.)

 @Return        E_OK on success; Error code otherwise.

 @Cautions      Allowed only following BM_PORTAL_Config() and before BM_PORTAL_Init().
*//***************************************************************************/
t_Error  BM_PORTAL_ConfigMemAttr(t_Handle h_BmPortal, uint32_t hwExtStructsMemAttr);

/** @} */ /* end of BM_portal_init_grp group */
/** @} */ /* end of BM_portal_grp group */


/**************************************************************************//**
 @Group         BM_pool_grp BM-Pool API

 @Description   BM-Pool API functions, definitions and enums.

 @{
*//***************************************************************************/

/**************************************************************************//**
 @Group         BM_pool_init_grp BM-Pool Initialization Unit

 @Description   BM-Pool Initialization Unit

 @{
*//***************************************************************************/

/**************************************************************************//**
 @Collection    BM Pool Depletion Thresholds macros
                The thresholds are represent by an array of size MAX_DEPLETION_THRESHOLDS
                Use the following macros to access the appropriate location in the array.
*//***************************************************************************/
#define BM_POOL_DEP_THRESH_SW_ENTRY 0
#define BM_POOL_DEP_THRESH_SW_EXIT  1
#define BM_POOL_DEP_THRESH_HW_ENTRY 2
#define BM_POOL_DEP_THRESH_HW_EXIT  3

#define MAX_DEPLETION_THRESHOLDS    4
/* @} */


/**************************************************************************//**
 @Description   structure representing BM Pool initialization parameters
*//***************************************************************************/
typedef struct {
    t_Handle                    h_Bm;               /**< A handle to a BM Module. */
    t_Handle                    h_BmPortal;         /**< A handle to a BM Portal Module.
                                                         will be used only for Init and Free routines.
                                                         NOTE: if NULL, assuming affinity */
    uint32_t                    numOfBuffers;       /**< Number of buffers use by this pool
                                                         NOTE: If zero, empty pool buffer is created. */
    t_BufferPoolInfo            bufferPoolInfo;     /**< Data buffers pool information */
    t_Handle                    h_App;              /**< opaque user value passed as a parameter to callbacks */
    bool                        shadowMode;         /**< If TRUE, numOfBuffers will be set to '0'. */
    uint8_t                     bpid;               /**< index of the shadow buffer pool (0-BM_MAX_NUM_OF_POOLS).
                                                         valid only if shadowMode='TRUE'. */
} t_BmPoolParam;


/**************************************************************************//**
 @Function      BM_POOL_Config

 @Description   Creates descriptor for the BM Pool;

                The routine returns a handle (descriptor) to the BM Pool object.

 @Param[in]     p_BmPoolParam   - A pointer to data structure of parameters

 @Return        Handle to BM Portal object, or NULL for Failure.
*//***************************************************************************/
t_Handle    BM_POOL_Config(t_BmPoolParam *p_BmPoolParam);

/**************************************************************************//**
 @Function      BM_POOL_Init

 @Description   Initializes a BM-Pool module

 @Param[in]     h_BmPool - A handle to a BM-Pool module

 @Return        E_OK on success; Error code otherwise.
*//***************************************************************************/
t_Error     BM_POOL_Init(t_Handle h_BmPool);

/**************************************************************************//**
 @Function      BM_PoolFree

 @Description   Frees all resources that were assigned to BM Pool module.

                Calling this routine invalidates the descriptor.

 @Param[in]     h_BmPool    - BM Pool module descriptor

 @Return        E_OK on success; Error code otherwise.
*//***************************************************************************/
t_Error     BM_POOL_Free(t_Handle h_BmPool);

/**************************************************************************//**
 @Function      BM_POOL_ConfigBpid

 @Description   Config a specific pool id rather than dynamic pool id.

 @Param[in]     h_BmPool    - A handle to a BM-Pool module
 @Param[in]     bpid        - index of the buffer pool (0-BM_MAX_NUM_OF_POOLS).

 @Return        E_OK on success; Error code otherwise.

 @Cautions      Allowed only following BM_POOL_Config() and before BM_POOL_Init().
*//***************************************************************************/
t_Error  BM_POOL_ConfigBpid(t_Handle h_BmPool, uint8_t bpid);

/**************************************************************************//**
 @Function      BM_POOL_ConfigDepletion

 @Description   Config depletion-entry/exit thresholds and callback.

 @Param[in]     h_BmPool        - A handle to a BM-Pool module
 @Param[in]     f_Depletion     - depletion-entry/exit callback.
 @Param[in]     thresholds      - depletion-entry/exit thresholds.

 @Return        E_OK on success; Error code otherwise.

 @Cautions      Allowed only following BM_POOL_Config() and before BM_POOL_Init();
                Allowed only if shadowMode='FALSE'.
                Allowed only if BM in master mode ('guestId'=NCSW_MASTER_ID), or
                the BM is in guest mode BUT than this routine will invoke IPC
                call to the master.
*//***************************************************************************/
t_Error  BM_POOL_ConfigDepletion(t_Handle               h_BmPool,
                                 t_BmDepletionCallback  *f_Depletion,
                                 uint32_t               thresholds[MAX_DEPLETION_THRESHOLDS]);

/**************************************************************************//**
 @Function      BM_POOL_ConfigStockpile

 @Description   Config software stockpile.

 @Param[in]     h_BmPool     - A handle to a BM-Pool module
 @Param[in]     maxBuffers   - the software data structure size saved for stockpile;
                               when reached this value, release to hw command performed.
 @Param[in]     minBuffers   - if current capacity is equal or lower then this value,
                               acquire from hw command performed.

 @Return        E_OK on success; Error code otherwise.

 @Cautions      Allowed only following BM_POOL_Config() and before BM_POOL_Init().
*//***************************************************************************/
t_Error  BM_POOL_ConfigStockpile(t_Handle h_BmPool, uint16_t maxBuffers, uint16_t minBuffers);

/**************************************************************************//**
 @Function      BM_POOL_ConfigBuffContextMode

 @Description   Config the BM pool to set/unset buffer-context

 @Param[in]     h_BmPool     - A handle to a BM-Pool module
 @Param[in]     en           - enable/disable buffer context mode

 @Return        E_OK on success; Error code otherwise.

 @Cautions      Allowed only following BM_POOL_Config() and before BM_POOL_Init().
*//***************************************************************************/
t_Error  BM_POOL_ConfigBuffContextMode(t_Handle h_BmPool, bool en);

/** @} */ /* end of BM_pool_init_grp group */


/**************************************************************************//**
 @Group         BM_pool_runtime_control_grp BM-Pool Runtime Control Unit

 @Description   BM-Pool Runtime control unit API functions, definitions and enums.

 @{
*//***************************************************************************/

/**************************************************************************//**
 @Description   enum for defining BM Pool counters
*//***************************************************************************/
typedef enum e_BmPoolCounters {
    e_BM_POOL_COUNTERS_CONTENT = 0,         /**< number of free buffers for a particular pool */
    e_BM_POOL_COUNTERS_SW_DEPLETION,        /**< number of times pool entered sw depletion */
    e_BM_POOL_COUNTERS_HW_DEPLETION         /**< number of times pool entered hw depletion */
} e_BmPoolCounters;

/**************************************************************************//**
 @Function      BM_POOL_GetId

 @Description   return a buffer pool id.

 @Param[in]     h_BmPool    - A handle to a BM-pool

 @Return        Pool ID.
*//***************************************************************************/
uint8_t BM_POOL_GetId(t_Handle h_BmPool);

/**************************************************************************//**
 @Function      BM_POOL_GetBufferSize

 @Description   returns the pool's buffer size.

 @Param[in]     h_BmPool    - A handle to a BM-pool

 @Return        pool's buffer size.
*//***************************************************************************/
uint16_t BM_POOL_GetBufferSize(t_Handle h_BmPool);

/**************************************************************************//**
 @Function      BM_POOL_GetBufferContext

 @Description   Returns the user's private context that
                should be associated with the buffer.

 @Param[in]     h_BmPool    - A handle to a BM-pool
 @Param[in]     p_Buff      - A Pointer to the buffer

 @Return        user's private context.
*//***************************************************************************/
t_Handle BM_POOL_GetBufferContext(t_Handle h_BmPool, void *p_Buff);

/**************************************************************************//**
 @Function      BM_POOL_PhysToVirt

 @Description   Translates a physical address to the matching virtual address.

 @Param[in]     h_BmPool    - A handle to a BM-pool
 @Param[in]     addr        - The physical address to translate

 @Return        Virtual address.
*//***************************************************************************/
void * BM_POOL_PhysToVirt(t_Handle h_BmPool, physAddress_t addr);

/**************************************************************************//**
 @Function      BM_POOL_VirtToPhys

 @Description   Translates a virtual address to the matching physical address.

 @Param[in]     h_BmPool    - A handle to a BM-pool
 @Param[in]     addr        - The virtual address to translate

 @Return        Physical address.
*//***************************************************************************/
physAddress_t BM_POOL_VirtToPhys(t_Handle h_BmPool, void *addr);

/**************************************************************************//**
 @Function      BM_POOL_GetCounter

 @Description   Reads one of the BM Pool counters.

 @Param[in]     h_BmPool    - A handle to a BM-pool
 @Param[in]     counter     - The requested counter.

 @Return        Counter's current value.
*//***************************************************************************/
uint32_t BM_POOL_GetCounter(t_Handle h_BmPool, e_BmPoolCounters counter);

/** @} */ /* end of BM_pool_runtime_control_grp group */


/**************************************************************************//**
 @Group         BM_pool_runtime_data_grp BM-Pool Runtime Data Unit

 @Description   BM-Pool Runtime data unit API functions, definitions and enums.

 @{
*//***************************************************************************/

/**************************************************************************//**
 @Function      BM_POOL_GetBuf

 @Description   Allocate buffer from a buffer pool.

 @Param[in]     h_BmPool    - A handle to a BM-pool
 @Param[in]     h_BmPortal  - A handle to a BM Portal Module;
                              NOTE : if NULL, assuming affinity.

 @Return        A Pointer to the allocated buffer.
*//***************************************************************************/
void *      BM_POOL_GetBuf(t_Handle h_BmPool, t_Handle h_BmPortal);

/**************************************************************************//**
 @Function      BM_POOL_PutBuf

 @Description   Deallocate buffer to a buffer pool.

 @Param[in]     h_BmPool    - A handle to a BM-pool
 @Param[in]     h_BmPortal  - A handle to a BM Portal Module;
                              NOTE : if NULL, assuming affinity.
 @Param[in]     p_Buff      - A Pointer to the buffer.

 @Return        E_OK on success; Error code otherwise.
*//***************************************************************************/
t_Error     BM_POOL_PutBuf(t_Handle h_BmPool, t_Handle h_BmPortal, void *p_Buff);

/**************************************************************************//**
 @Function      BM_POOL_FillBufs

 @Description   Fill a BM pool with new buffers.

 @Param[in]     h_BmPool    - A handle to a BM-pool
 @Param[in]     h_BmPortal  - A handle to a BM Portal Module;
                              NOTE : if NULL, assuming affinity.
 @Param[in]     numBufs     - How many buffers to fill into the pool.

 @Return        E_OK on success; Error code otherwise.
*//***************************************************************************/
t_Error     BM_POOL_FillBufs(t_Handle h_BmPool, t_Handle h_BmPortal, uint32_t numBufs);

/** @} */ /* end of BM_pool_runtime_data_grp group */
/** @} */ /* end of BM_pool_grp group */
/** @} */ /* end of BM_grp group */

#endif /* __BM_EXT_H */