Ignore:
Timestamp:
Oct 1, 2019, 1:19:00 PM (16 months ago)
Author:
alain
Message:

Remove all RPCs in page-fault handling.

File:
1 edited

Legend:

Unmodified
Added
Removed
  • trunk/kernel/kern/rpc.h

    r635 r640  
    6060typedef enum
    6161{
    62     RPC_UNDEFINED_0               = 0,   // RPC_PMEM_GET_PAGES       deprecated [AG]
    63     RPC_UNDEFINED_1               = 1,   // RPC_PMEM_RELEASE_PAGES   deprecated [AG]
    64     RPC_UNDEFINED_2               = 2,   // RPC_PMEM_DISPLAY         deprecated [AG]     
     62    RPC_UNDEFINED_0               = 0,   //
     63    RPC_UNDEFINED_1               = 1,   //
     64    RPC_UNDEFINED_2               = 2,   //      
    6565    RPC_PROCESS_MAKE_FORK         = 3,
    6666    RPC_USER_DIR_CREATE           = 4,
     
    8282    RPC_VFS_INODE_LOAD_ALL_PAGES  = 19,
    8383
    84     RPC_VMM_GET_VSEG              = 20,
    85     RPC_VMM_GLOBAL_UPDATE_PTE     = 21,
    86     RPC_UNDEFINED_22              = 22,   // RPC_KCM_ALLOC           deprecated [AG]
    87     RPC_UNDEFINED_23              = 23,   // RPC_KCM_FREE            deprecated [AG]
     84    RPC_UNDEFINED_20              = 20,   //
     85    RPC_UNDEFINED_21              = 21,   //
     86    RPC_UNDEFINED_22              = 22,   //
     87    RPC_UNDEFINED_23              = 23,   //
    8888    RPC_MAPPER_SYNC               = 24,
    89     RPC_UNDEFUNED_25              = 25,   // RPC_MAPPER_HANDLE_MISS  deprecated [AG]
    90     RPC_VMM_DELETE_VSEG           = 26,
     89    RPC_VMM_RESIZE_VSEG           = 25,
     90    RPC_VMM_REMOVE_VSEG           = 26,
    9191    RPC_VMM_CREATE_VSEG           = 27,
    9292    RPC_VMM_SET_COW               = 28,
    93     RPC_UNDEFINED_29              = 29,   // RPC_VMM_DISPLAY         deprecated [AG]
     93    RPC_UNDEFINED_29              = 29,   //
    9494
    9595    RPC_MAX_INDEX                 = 30,
     
    175175
    176176/***********************************************************************************
    177  * [0] The RPC_PMEM_GET_PAGES allocates one or several pages in a remote cluster,
    178  * and returns the local pointer on the page descriptor.
    179  *         deprecated [AG] may 2019
    180  ***********************************************************************************
    181  * @ cxy     : server cluster identifier
    182  * @ order   : [in]  ln2( number of requested pages )
    183  * @ page    : [out] local pointer on page descriptor / NULL if failure
    184  **********************************************************************************/
    185 
    186 /*
    187 void rpc_pmem_get_pages_client( cxy_t             cxy,
    188                                 uint32_t          order,
    189                                 struct page_s  ** page );
    190 
    191 void rpc_pmem_get_pages_server( xptr_t xp );
    192 */
    193 
    194 /***********************************************************************************
    195  * [1] The RPC_PMEM_RELEASE_PAGES release one or several pages to a remote cluster.
    196  *         deprecated [AG] may 2019
    197  ***********************************************************************************
    198  * @ cxy     : server cluster identifier
    199  * @ page    : [in] local pointer on page descriptor to release.
    200  **********************************************************************************/
    201 
    202 /*
    203 void rpc_pmem_release_pages_client( cxy_t            cxy,
    204                                     struct page_s  * page );
    205 
    206 void rpc_pmem_release_pages_server( xptr_t xp );
    207 */
    208 
    209 /***********************************************************************************
    210  * [2] The RPC_PPM_DISPLAY allows any client thread to require any remote cluster
    211  * identified by the <cxy> argumentto display the physical memory allocator state.
    212  *         deprecated [AG] may 2019
    213  **********************************************************************************/
    214 
    215 /*
    216 void rpc_ppm_display_client( cxy_t  cxy );
    217 
    218 void rpc_ppm_display_server( xptr_t xp );
    219 */
     177 * [0] undefined
     178 **********************************************************************************/
     179
     180/***********************************************************************************
     181 * [1] undefined
     182 **********************************************************************************/
     183
     184/***********************************************************************************
     185 * [2] undefined
     186 **********************************************************************************/
    220187
    221188/***********************************************************************************
     
    523490
    524491/***********************************************************************************
    525  * [20] The RPC_VMM_GET_VSEG returns an extended pointer
    526  * on the vseg containing a given virtual address in a given process.
    527  * The server cluster is supposed to be the reference cluster.
    528  * It returns a non zero error value if no vseg has been founded.
    529  ***********************************************************************************
    530  * @ cxy     : server cluster identifier.
    531  * @ process : [in]   pointer on process descriptor in server cluster.
    532  * @ vaddr   : [in]   virtual address to be searched.
    533  * @ vseg_xp : [out]  buffer for extended pointer on vseg in client cluster.
    534  * @ error   : [out] local pointer on buffer for error code (in client cluster).
    535  **********************************************************************************/
    536 void rpc_vmm_get_vseg_client( cxy_t              cxy,
    537                               struct process_s * process,
    538                               intptr_t           vaddr,
    539                               xptr_t           * vseg_xp,
    540                               error_t          * error );
    541 
    542 void rpc_vmm_get_vseg_server( xptr_t xp );
    543 
    544 /***********************************************************************************
    545  * [21] The RPC_VMM_GLOBAL_UPDATE_PTE can be used by a thread that is not running
    546  * in reference cluster, to ask the reference cluster to update a specific entry,
    547  * identified by the <vpn> argument in all GPT copies of a process identified by
    548  * the <process> argument, using the values defined by <attr> and <ppn> arguments.
    549  * The server cluster is supposed to be the reference cluster.
    550  * It does not return any error code as the called function vmm_global_update_pte()
    551  * cannot fail.
    552  ***********************************************************************************
    553  * @ cxy     : server cluster identifier.
    554  * @ process : [in]  pointer on process descriptor in server cluster.
    555  * @ vpn     : [in]  virtual address to be searched.
    556  * @ attr    : [in]  PTE attributes.
    557  * @ ppn     : [it]  PTE PPN.
    558  **********************************************************************************/
    559 void rpc_vmm_global_update_pte_client( cxy_t              cxy,
    560                                        struct process_s * process,
    561                                        vpn_t              vpn,
    562                                        uint32_t           attr,
    563                                        ppn_t              ppn );
    564 
    565 void rpc_vmm_global_update_pte_server( xptr_t xp );
    566 
    567 /***********************************************************************************
    568  * [22] The RPC_KCM_ALLOC allocates memory from a given KCM in a remote cluster,
    569  * and returns an extended pointer on the allocated object.
    570   It returns XPTR_NULL if physical memory cannot be allocated.
    571  ***********************************************************************************
    572  * @ cxy       : server cluster identifier.
    573  * @ kmem_type : [in]  KCM object type (as defined in kmem.h).
    574  * @ buf_xp    : [out] buffer for extended pointer on allocated buffer.
    575  **********************************************************************************/
    576 
    577 /*
    578 void rpc_kcm_alloc_client( cxy_t      cxy,
    579                            uint32_t   kmem_type,
    580                            xptr_t   * buf_xp ); 
    581 
    582 void rpc_kcm_alloc_server( xptr_t xp );
    583 */
    584 
    585 /***********************************************************************************
    586  * [23] The RPC_KCM_FREE releases memory allocated for a KCM object of a given type,
    587  * in a remote cluster.
    588  ***********************************************************************************
    589  * @ cxy       : server cluster identifier.
    590  * @ buf       : [in] local pointer on allocated buffer.
    591  * @ kmem_type : [in]  KCM object type (as defined in kmem.h).
    592  **********************************************************************************/
    593 
    594 /*
    595 void rpc_kcm_free_client( cxy_t     cxy,
    596                           void    * buf,
    597                           uint32_t  kmem_type );
    598 
    599 void rpc_kcm_free_server( xptr_t xp );
    600 */
     492 * [20] undefined
     493 **********************************************************************************/
     494
     495/***********************************************************************************
     496 * [21] undefined
     497 **********************************************************************************/
     498
     499/***********************************************************************************
     500 * [22] undefined
     501 **********************************************************************************/
     502
     503/***********************************************************************************
     504 * [23] undefined
     505 **********************************************************************************/
    601506
    602507/***********************************************************************************
     
    615520
    616521/***********************************************************************************
    617  * [25] The RPC__MAPPER_HANDLE_MISS allows a client thread to request a remote
    618  * mapper to load a missing page from the IOC device.
    619  * On the server side, this RPC call the mapper_handle_miss() function and return
    620  * an extended pointer on the allocated page descriptor and an error status.
     522 * [25] The RPC_VMM_RESIZE_VSEG allows a client thread to request a remote vseg
     523 * resize. Both the VSL and the GPT are updated in the remote cluster.
    621524 ***********************************************************************************
    622525 * @ cxy         : server cluster identifier.
    623  * @ mapper      : [in]  local pointer on mapper.
    624  * @ page_id     : [in]  missing page index in mapper
    625  * @ buffer      : [in]  user space pointer / kernel extended pointer
    626  * @ page_xp     : [out] pointer on buffer for extended pointer on page descriptor.
    627  * @ error       : [out] error status (0 if success).
    628  **********************************************************************************/
    629 /*
    630 void rpc_mapper_handle_miss_client( cxy_t             cxy,
    631                                     struct mapper_s * mapper,
    632                                     uint32_t          page_id,
    633                                     xptr_t          * page_xp,
    634                                     error_t         * error );
     526 * @ process     : [in] local pointer on remote process.
     527 * @ vseg        : [in] local pointer on remote vseg.
     528 * @ new_base    : [in] new vseg base address.
     529 * @ new_size    : [in] new vseg size.
     530 **********************************************************************************/
     531void rpc_vmm_resize_vseg_client( cxy_t              cxy,
     532                                 struct process_s * process,
     533                                 struct vseg_s    * vseg,
     534                                 intptr_t           new_base,
     535                                 intptr_t           new_size );
    635536 
    636 void rpc_mapper_handle_miss_server( xptr_t xp );
    637 */
    638 /***********************************************************************************
    639  * [26] The RPC_VMM_DELETE_VSEG allows any client thread  to request a remote
    640  * cluster to delete from a given VMM, identified by the <pid> argument
    641  * a given vseg, identified by the <vaddr> argument.
     537void rpc_vmm_resize_vseg_server( xptr_t xp );
     538
     539/***********************************************************************************
     540 * [26] The RPC_VMM_REMOVE_VSEG allows a client thread  to request a remote vseg
     541 * delete. Bothe the VSL and the GPT are updated in the remote cluster.
    642542 ***********************************************************************************
    643543 * @ cxy         : server cluster identifier.
    644  * @ pid         : [in] target process identifier.
    645  * @ vaddr       : [in] vseg base address.
    646  **********************************************************************************/
    647 void rpc_vmm_delete_vseg_client( cxy_t       cxy,
    648                                  pid_t       pid,
    649                                  intptr_t    vaddr );
     544 * @ process     : [in] local pointer on remote process.
     545 * @ vseg        : [in] local pointer on remote vseg.
     546 **********************************************************************************/
     547void rpc_vmm_remove_vseg_client( cxy_t              cxy,
     548                                 struct process_s * process,
     549                                 struct vseg_s    * vseg );
    650550 
    651 void rpc_vmm_delete_vseg_server( xptr_t xp );
     551void rpc_vmm_remove_vseg_server( xptr_t xp );
    652552
    653553/***********************************************************************************
     
    698598
    699599/***********************************************************************************
    700  * [29] The RPC_VMM_DISPLAY allows any client thread to display the VMM state
    701  * of a remote reference process identified by the <cxy> and <process> arguments.
    702  * The type of display is defined by the <detailed> boolean argument.
    703  ***********************************************************************************
    704  * @ cxy         : server cluster identifier.
    705  * @ process     : [in]  local pointer on reference process descriptor.
    706  * @ detailed    : [in]  detailed display if true.
    707  **********************************************************************************/
    708 
    709 /*
    710 void rpc_hal_vmm_display_client( cxy_t              cxy,
    711                              struct process_s * process,
    712                              bool_t             detailed );
    713 
    714 void rpc_hal_vmm_display_server( xptr_t xp );
    715 */
     600 * [29] undefined
     601 **********************************************************************************/
     602
    716603
    717604#endif
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