Changeset ea28272 in mainline for uspace/lib/c/generic/ipc.c


Ignore:
Timestamp:
2010-12-30T13:43:27Z (14 years ago)
Author:
Jiri Svoboda <jiri@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
d770deb
Parents:
d70d80ed (diff), f418e51 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.
Message:

Merge mainline changes.

File:
1 edited

Legend:

Unmodified
Added
Removed

  • uspace/lib/c/generic/ipc.c

    rd70d80ed rea28272  
    3838 */
    3939/** @file
    40  */ 
     40 */
    4141
    4242#include <ipc/ipc.h>
    … …  
    104104 */
    105105int
    106 ipc_call_sync_fast(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2,
    107     ipcarg_t arg3, ipcarg_t *result1, ipcarg_t *result2, ipcarg_t *result3,
    108     ipcarg_t *result4, ipcarg_t *result5)
     106ipc_call_sync_fast(int phoneid, sysarg_t method, sysarg_t arg1, sysarg_t arg2,
     107    sysarg_t arg3, sysarg_t *result1, sysarg_t *result2, sysarg_t *result3,
     108    sysarg_t *result4, sysarg_t *result5)
    109109{
    110110        ipc_call_t resdata;
    … …  
    131131/** Make a synchronous call transmitting 5 arguments of payload.
    132132 *
    133  * @param phoneid       Phone handle for the call.
    134  * @param method        Requested method.
    135  * @param arg1          Service-defined payload argument.
    136  * @param arg2          Service-defined payload argument.
    137  * @param arg3          Service-defined payload argument.
    138  * @param arg4          Service-defined payload argument.
    139  * @param arg5          Service-defined payload argument.
    140  * @param result1       If non-NULL, storage for the first return argument.
    141  * @param result2       If non-NULL, storage for the second return argument.
    142  * @param result3       If non-NULL, storage for the third return argument.
    143  * @param result4       If non-NULL, storage for the fourth return argument.
    144  * @param result5       If non-NULL, storage for the fifth return argument.
    145  *
    146  * @return              Negative value means IPC error.
    147  *                      Otherwise the RETVAL of the answer.
     133 * @param phoneid Phone handle for the call.
     134 * @param imethod Requested interface and method.
     135 * @param arg1    Service-defined payload argument.
     136 * @param arg2    Service-defined payload argument.
     137 * @param arg3    Service-defined payload argument.
     138 * @param arg4    Service-defined payload argument.
     139 * @param arg5    Service-defined payload argument.
     140 * @param result1 If non-NULL, storage for the first return argument.
     141 * @param result2 If non-NULL, storage for the second return argument.
     142 * @param result3 If non-NULL, storage for the third return argument.
     143 * @param result4 If non-NULL, storage for the fourth return argument.
     144 * @param result5 If non-NULL, storage for the fifth return argument.
     145 *
     146 * @return Negative value means IPC error.
     147 *         Otherwise the RETVAL of the answer.
     148 *
    148149 */
    149150int
    150 ipc_call_sync_slow(int phoneid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2,
    151     ipcarg_t arg3, ipcarg_t arg4, ipcarg_t arg5, ipcarg_t *result1,
    152     ipcarg_t *result2, ipcarg_t *result3, ipcarg_t *result4, ipcarg_t *result5)
     151ipc_call_sync_slow(int phoneid, sysarg_t imethod, sysarg_t arg1, sysarg_t arg2,
     152    sysarg_t arg3, sysarg_t arg4, sysarg_t arg5, sysarg_t *result1,
     153    sysarg_t *result2, sysarg_t *result3, sysarg_t *result4, sysarg_t *result5)
    153154{
    154155        ipc_call_t data;
    155         int callres;
    156 
    157         IPC_SET_METHOD(data, method);
     156       
     157        IPC_SET_IMETHOD(data, imethod);
    158158        IPC_SET_ARG1(data, arg1);
    159159        IPC_SET_ARG2(data, arg2);
    … …  
    161161        IPC_SET_ARG4(data, arg4);
    162162        IPC_SET_ARG5(data, arg5);
    163 
    164         callres = __SYSCALL3(SYS_IPC_CALL_SYNC_SLOW, phoneid, (sysarg_t) &data,
    165             (sysarg_t) &data);
     163       
     164        int callres = __SYSCALL3(SYS_IPC_CALL_SYNC_SLOW, phoneid,
     165            (sysarg_t) &data, (sysarg_t) &data);
    166166        if (callres)
    167167                return callres;
    168 
     168       
    169169        if (result1)
    170170                *result1 = IPC_GET_ARG1(data);
    … …  
    177177        if (result5)
    178178                *result5 = IPC_GET_ARG5(data);
    179 
     179       
    180180        return IPC_GET_RETVAL(data);
    181181}
    … …  
    183183/** Syscall to send asynchronous message.
    184184 *
    185  * @param phoneid       Phone handle for the call.
    186  * @param data          Call data with the request.
    187  *
    188  * @return              Hash of the call or an error code.
     185 * @param phoneid Phone handle for the call.
     186 * @param data    Call data with the request.
     187 *
     188 * @return Hash of the call or an error code.
     189 *
    189190 */
    190191static ipc_callid_t _ipc_call_async(int phoneid, ipc_call_t *data)
    … …  
    277278 * If the call cannot be temporarily made, queue it.
    278279 *
    279  * @param phoneid       Phone handle for the call.
    280  * @param method        Requested method.
    281  * @param arg1          Service-defined payload argument.
    282  * @param arg2          Service-defined payload argument.
    283  * @param arg3          Service-defined payload argument.
    284  * @param arg4          Service-defined payload argument.
    285  * @param private       Argument to be passed to the answer/error callback.
    286  * @param callback      Answer or error callback.
    287  * @param can_preempt   If non-zero, the current fibril will be preempted in
    288  *                      case the kernel temporarily refuses to accept more
    289  *                      asynchronous calls.
    290  */
    291 void ipc_call_async_fast(int phoneid, ipcarg_t method, ipcarg_t arg1,
    292     ipcarg_t arg2, ipcarg_t arg3, ipcarg_t arg4, void *private,
     280 * @param phoneid     Phone handle for the call.
     281 * @param imethod     Requested interface and method.
     282 * @param arg1        Service-defined payload argument.
     283 * @param arg2        Service-defined payload argument.
     284 * @param arg3        Service-defined payload argument.
     285 * @param arg4        Service-defined payload argument.
     286 * @param private     Argument to be passed to the answer/error callback.
     287 * @param callback    Answer or error callback.
     288 * @param can_preempt If non-zero, the current fibril will be preempted in
     289 *                    case the kernel temporarily refuses to accept more
     290 *                    asynchronous calls.
     291 *
     292 */
     293void ipc_call_async_fast(int phoneid, sysarg_t imethod, sysarg_t arg1,
     294    sysarg_t arg2, sysarg_t arg3, sysarg_t arg4, void *private,
    293295    ipc_async_callback_t callback, int can_preempt)
    294296{
    295297        async_call_t *call = NULL;
    296         ipc_callid_t callid;
    297 
     298       
    298299        if (callback) {
    299300                call = ipc_prepare_async(private, callback);
    … …  
    301302                        return;
    302303        }
    303 
     304       
    304305        /*
    305306         * We need to make sure that we get callid before another thread
    … …  
    307308         */
    308309        futex_down(&ipc_futex);
    309         callid = __SYSCALL6(SYS_IPC_CALL_ASYNC_FAST, phoneid, method, arg1,
    310             arg2, arg3, arg4);
    311 
     310        ipc_callid_t callid = __SYSCALL6(SYS_IPC_CALL_ASYNC_FAST, phoneid,
     311            imethod, arg1, arg2, arg3, arg4);
     312       
    312313        if (callid == (ipc_callid_t) IPC_CALLRET_TEMPORARY) {
    313314                if (!call) {
    … …  
    316317                                return;
    317318                }
    318                 IPC_SET_METHOD(call->u.msg.data, method);
     319                IPC_SET_IMETHOD(call->u.msg.data, imethod);
    319320                IPC_SET_ARG1(call->u.msg.data, arg1);
    320321                IPC_SET_ARG2(call->u.msg.data, arg2);
    … …  
    337338 * If the call cannot be temporarily made, queue it.
    338339 *
    339  * @param phoneid       Phone handle for the call.
    340  * @param method        Requested method.
    341  * @param arg1          Service-defined payload argument.
    342  * @param arg2          Service-defined payload argument.
    343  * @param arg3          Service-defined payload argument.
    344  * @param arg4          Service-defined payload argument.
    345  * @param arg5          Service-defined payload argument.
    346  * @param private       Argument to be passed to the answer/error callback.
    347  * @param callback      Answer or error callback.
    348  * @param can_preempt   If non-zero, the current fibril will be preempted in
    349  *                      case the kernel temporarily refuses to accept more
    350  *                      asynchronous calls.
    351  *
    352  */
    353 void ipc_call_async_slow(int phoneid, ipcarg_t method, ipcarg_t arg1,
    354     ipcarg_t arg2, ipcarg_t arg3, ipcarg_t arg4, ipcarg_t arg5, void *private,
     340 * @param phoneid     Phone handle for the call.
     341 * @param imethod     Requested interface and method.
     342 * @param arg1        Service-defined payload argument.
     343 * @param arg2        Service-defined payload argument.
     344 * @param arg3        Service-defined payload argument.
     345 * @param arg4        Service-defined payload argument.
     346 * @param arg5        Service-defined payload argument.
     347 * @param private     Argument to be passed to the answer/error callback.
     348 * @param callback    Answer or error callback.
     349 * @param can_preempt If non-zero, the current fibril will be preempted in
     350 *                    case the kernel temporarily refuses to accept more
     351 *                    asynchronous calls.
     352 *
     353 */
     354void ipc_call_async_slow(int phoneid, sysarg_t imethod, sysarg_t arg1,
     355    sysarg_t arg2, sysarg_t arg3, sysarg_t arg4, sysarg_t arg5, void *private,
    355356    ipc_async_callback_t callback, int can_preempt)
    356357{
    … …  
    362363                return;
    363364
    364         IPC_SET_METHOD(call->u.msg.data, method);
     365        IPC_SET_IMETHOD(call->u.msg.data, imethod);
    365366        IPC_SET_ARG1(call->u.msg.data, arg1);
    366367        IPC_SET_ARG2(call->u.msg.data, arg2);
    … …  
    393394 * @return              Zero on success or a value from @ref errno.h on failure.
    394395 */
    395 ipcarg_t ipc_answer_fast(ipc_callid_t callid, ipcarg_t retval, ipcarg_t arg1,
    396     ipcarg_t arg2, ipcarg_t arg3, ipcarg_t arg4)
     396sysarg_t ipc_answer_fast(ipc_callid_t callid, sysarg_t retval, sysarg_t arg1,
     397    sysarg_t arg2, sysarg_t arg3, sysarg_t arg4)
    397398{
    398399        return __SYSCALL6(SYS_IPC_ANSWER_FAST, callid, retval, arg1, arg2, arg3,
    … …  
    412413 * @return              Zero on success or a value from @ref errno.h on failure.
    413414 */
    414 ipcarg_t ipc_answer_slow(ipc_callid_t callid, ipcarg_t retval, ipcarg_t arg1,
    415     ipcarg_t arg2, ipcarg_t arg3, ipcarg_t arg4, ipcarg_t arg5)
     415sysarg_t ipc_answer_slow(ipc_callid_t callid, sysarg_t retval, sysarg_t arg1,
     416    sysarg_t arg2, sysarg_t arg3, sysarg_t arg4, sysarg_t arg5)
    416417{
    417418        ipc_call_t data;
    … …  
    585586 */
    586587int ipc_connect_to_me(int phoneid, int arg1, int arg2, int arg3,
    587     ipcarg_t *phonehash)
     588    sysarg_t *phonehash)
    588589{
    589590        return ipc_call_sync_3_5(phoneid, IPC_M_CONNECT_TO_ME, arg1, arg2,
    … …  
    602603int ipc_connect_me_to(int phoneid, int arg1, int arg2, int arg3)
    603604{
    604         ipcarg_t newphid;
     605        sysarg_t newphid;
    605606        int res;
    606607
    … …  
    626627int ipc_connect_me_to_blocking(int phoneid, int arg1, int arg2, int arg3)
    627628{
    628         ipcarg_t newphid;
     629        sysarg_t newphid;
    629630        int res;
    630631
    … …  
    676677/** Forward a received call to another destination.
    677678 *
    678  * @param callid        Hash of the call to forward.
    679  * @param phoneid       Phone handle to use for forwarding.
    680  * @param method        New method for the forwarded call.
    681  * @param arg1          New value of the first argument for the forwarded call.
    682  * @param arg2          New value of the second argument for the forwarded call.
    683  * @param mode          Flags specifying mode of the forward operation.
    684  *
    685  * @return              Zero on success or an error code.
     679 * @param callid  Hash of the call to forward.
     680 * @param phoneid Phone handle to use for forwarding.
     681 * @param imethod New interface and method for the forwarded call.
     682 * @param arg1    New value of the first argument for the forwarded call.
     683 * @param arg2    New value of the second argument for the forwarded call.
     684 * @param mode    Flags specifying mode of the forward operation.
     685 *
     686 * @return Zero on success or an error code.
    686687 *
    687688 * For non-system methods, the old method, arg1 and arg2 are rewritten by the
    … …  
    690691 * methods are forwarded verbatim.
    691692 */
    692 int ipc_forward_fast(ipc_callid_t callid, int phoneid, int method,
    693     ipcarg_t arg1, ipcarg_t arg2, int mode)
    694 {
    695         return __SYSCALL6(SYS_IPC_FORWARD_FAST, callid, phoneid, method, arg1,
     693int ipc_forward_fast(ipc_callid_t callid, int phoneid, int imethod,
     694    sysarg_t arg1, sysarg_t arg2, int mode)
     695{
     696        return __SYSCALL6(SYS_IPC_FORWARD_FAST, callid, phoneid, imethod, arg1,
    696697            arg2, mode);
    697698}
    698699
    699700
    700 int ipc_forward_slow(ipc_callid_t callid, int phoneid, int method,
    701     ipcarg_t arg1, ipcarg_t arg2, ipcarg_t arg3, ipcarg_t arg4, ipcarg_t arg5,
     701int ipc_forward_slow(ipc_callid_t callid, int phoneid, int imethod,
     702    sysarg_t arg1, sysarg_t arg2, sysarg_t arg3, sysarg_t arg4, sysarg_t arg5,
    702703    int mode)
    703704{
    704705        ipc_call_t data;
    705 
    706         IPC_SET_METHOD(data, method);
     706       
     707        IPC_SET_IMETHOD(data, imethod);
    707708        IPC_SET_ARG1(data, arg1);
    708709        IPC_SET_ARG2(data, arg2);
    … …  
    710711        IPC_SET_ARG4(data, arg4);
    711712        IPC_SET_ARG5(data, arg5);
    712 
     713       
    713714        return __SYSCALL4(SYS_IPC_FORWARD_SLOW, callid, phoneid, (sysarg_t) &data, mode);
    714715}
    … …  
    725726 * @return              Zero on success or a negative error code from errno.h.
    726727 */
    727 int ipc_share_in_start(int phoneid, void *dst, size_t size, ipcarg_t arg,
     728int ipc_share_in_start(int phoneid, void *dst, size_t size, sysarg_t arg,
    728729    int *flags)
    729730{
    730731        sysarg_t tmp_flags = 0;
    731         int res = ipc_call_sync_3_2(phoneid, IPC_M_SHARE_IN, (ipcarg_t) dst,
    732             (ipcarg_t) size, arg, NULL, &tmp_flags);
     732        int res = ipc_call_sync_3_2(phoneid, IPC_M_SHARE_IN, (sysarg_t) dst,
     733            (sysarg_t) size, arg, NULL, &tmp_flags);
    733734       
    734735        if (flags)
    … …  
    751752int ipc_share_in_finalize(ipc_callid_t callid, void *src, int flags)
    752753{
    753         return ipc_answer_2(callid, EOK, (ipcarg_t) src, (ipcarg_t) flags);
     754        return ipc_answer_2(callid, EOK, (sysarg_t) src, (sysarg_t) flags);
    754755}
    755756
    … …  
    764765int ipc_share_out_start(int phoneid, void *src, int flags)
    765766{
    766         return ipc_call_sync_3_0(phoneid, IPC_M_SHARE_OUT, (ipcarg_t) src, 0,
    767             (ipcarg_t) flags);
     767        return ipc_call_sync_3_0(phoneid, IPC_M_SHARE_OUT, (sysarg_t) src, 0,
     768            (sysarg_t) flags);
    768769}
    769770
    … …  
    780781int ipc_share_out_finalize(ipc_callid_t callid, void *dst)
    781782{
    782         return ipc_answer_1(callid, EOK, (ipcarg_t) dst);
     783        return ipc_answer_1(callid, EOK, (sysarg_t) dst);
    783784}
    784785
    … …  
    794795int ipc_data_read_start(int phoneid, void *dst, size_t size)
    795796{
    796         return ipc_call_sync_2_0(phoneid, IPC_M_DATA_READ, (ipcarg_t) dst,
    797             (ipcarg_t) size);
     797        return ipc_call_sync_2_0(phoneid, IPC_M_DATA_READ, (sysarg_t) dst,
     798            (sysarg_t) size);
    798799}
    799800
    … …  
    812813int ipc_data_read_finalize(ipc_callid_t callid, const void *src, size_t size)
    813814{
    814         return ipc_answer_2(callid, EOK, (ipcarg_t) src, (ipcarg_t) size);
     815        return ipc_answer_2(callid, EOK, (sysarg_t) src, (sysarg_t) size);
    815816}
    816817
    … …  
    825826int ipc_data_write_start(int phoneid, const void *src, size_t size)
    826827{
    827         return ipc_call_sync_2_0(phoneid, IPC_M_DATA_WRITE, (ipcarg_t) src,
    828             (ipcarg_t) size);
     828        return ipc_call_sync_2_0(phoneid, IPC_M_DATA_WRITE, (sysarg_t) src,
     829            (sysarg_t) size);
    829830}
    830831
    … …  
    842843int ipc_data_write_finalize(ipc_callid_t callid, void *dst, size_t size)
    843844{
    844         return ipc_answer_2(callid, EOK, (ipcarg_t) dst, (ipcarg_t) size);
    845 }
    846 
    847 #include <kernel/syscall/sysarg64.h>
     845        return ipc_answer_2(callid, EOK, (sysarg_t) dst, (sysarg_t) size);
     846}
     847
    848848/** Connect to a task specified by id.
     849 *
    849850 */
    850851int ipc_connect_kbox(task_id_t id)
    851852{
    852         sysarg64_t arg;
    853 
    854         arg.value = (unsigned long long) id;
    855 
     853#ifdef __32_BITS__
     854        sysarg64_t arg = (sysarg64_t) id;
    856855        return __SYSCALL1(SYS_IPC_CONNECT_KBOX, (sysarg_t) &arg);
    857 }
    858  
     856#endif
     857       
     858#ifdef __64_BITS__
     859        return __SYSCALL1(SYS_IPC_CONNECT_KBOX, (sysarg_t) id);
     860#endif
     861}
     862
    859863/** @}
    860864 */
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