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1 /**************************************************************************/
2 /* ---------------------------------------------------------------------- */
3 /* Copyright (C) 2006 - 2008 FRESCOR consortium partners:                 */
4 /*                                                                        */
5 /*   Universidad de Cantabria,              SPAIN                         */
6 /*   University of York,                    UK                            */
7 /*   Scuola Superiore Sant'Anna,            ITALY                         */
8 /*   Kaiserslautern University,             GERMANY                       */
9 /*   Univ. Politécnica  Valencia,           SPAIN                        */
10 /*   Czech Technical University in Prague,  CZECH REPUBLIC                */
11 /*   ENEA                                   SWEDEN                        */
12 /*   Thales Communication S.A.              FRANCE                        */
13 /*   Visual Tools S.A.                      SPAIN                         */
14 /*   Rapita Systems Ltd                     UK                            */
15 /*   Evidence                               ITALY                         */
16 /*                                                                        */
17 /*   See http://www.frescor.org for a link to partners' websites          */
18 /*                                                                        */
19 /*          FRESCOR project (FP6/2005/IST/5-034026) is funded             */
20 /*       in part by the European Union Sixth Framework Programme          */
21 /*       The European Union is not liable of any use that may be          */
22 /*       made of this code.                                               */
23 /*                                                                        */
24 /*                                                                        */
25 /*  This file is part of FRSH (FRescor ScHeduler)                         */
26 /*                                                                        */
27 /* FRSH is free software; you can redistribute it and/or modify it        */
28 /* under terms of the GNU General Public License as published by the      */
29 /* Free Software Foundation; either version 2, or (at your option) any    */
30 /* later version.  FRSH is distributed in the hope that it will be        */
31 /* useful, but WITHOUT ANY WARRANTY; without even the implied warranty    */
32 /* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU    */
33 /* General Public License for more details. You should have received a    */
34 /* copy of the GNU General Public License along with FRSH; see file       */
35 /* COPYING. If not, write to the Free Software Foundation, 675 Mass Ave,  */
36 /* Cambridge, MA 02139, USA.                                              */
37 /*                                                                        */
38 /* As a special exception, including FRSH header files in a file,         */
39 /* instantiating FRSH generics or templates, or linking other files       */
40 /* with FRSH objects to produce an executable application, does not       */
41 /* by itself cause the resulting executable application to be covered     */
42 /* by the GNU General Public License. This exception does not             */
43 /* however invalidate any other reasons why the executable file might be  */
44 /* covered by the GNU Public License.                                     */
45 /**************************************************************************/
46
47 /**
48  * @file   frm_fpga.c
49  * @author Michal Sojka <sojkam1@fel.cvut.cz>
50  * @date   Wed Feb 18 16:08:22 2009
51  * 
52  * @brief  FPGA resource manager
53  * 
54  * 
55  */
56
57
58 #include <frm_generic.h>
59 #include <forb.h>
60 #include <error.h>
61 #include <errno.h>
62 #include <fres_sa_scenario.h>
63 #include <stdbool.h>
64 #include <ul_log.h>
65 #include "res_fpga.h"
66 #include <stdio.h>
67 #include "fpga_config.h"
68
69 /**
70  * State of the FPGA
71  */
72 struct fpga_state {
73         fres_cores_t cores; /**< Currently loaded cores */
74 };
75
76 int admission_test(struct fres_sa_scenario *scenario, void *priv, bool *schedulable)
77 {
78         struct fpga_state *data = priv;
79         struct fres_sa_contract *c;
80
81         fres_sa_scenario_for_each_no_cancel_contract(scenario, c) {
82                 fres_block_fpga *fpga;
83
84                 fpga = fres_contract_get_fpga(c->contract);
85                 if (fpga) {
86                         fres_cores_t req = fpga->cores;
87                         fres_cores_t cur = data->cores;
88                         if ((req & ~cur) != 0) *schedulable = false;
89                         else *schedulable = true;
90                 } else {
91                         fprintf(stderr, "FPGA block is not present\n");
92                         return -1;
93                 }
94         }
95         return 0;
96 }
97
98 struct fpga_state fpga_state = {
99         /* Currently only static FPGA configuration specified at
100          * compile type is supported.  */
101         .cores = CONFIG_FPGA_CORES,
102 };
103
104 static const struct fres_res_manager frm = {
105         .res_type = FRSH_RT_FPGA,
106         .res_id = 0,
107         .name = "FPGA",
108         .admission_test = admission_test,
109         .priv = &fpga_state
110 };
111
112
113 int forb_main(forb_orb orb, int argc, char *argv[])
114 {
115         int ret;
116         forb_init_attr_t attr = { .orb_id = "org.frescor.frm.fpga" };
117
118         /* Register fres_block_fpga to contract handling
119          * functions */
120         fres_block_register_fpga();
121
122         ret = frm_register_and_run(orb, &frm);
123
124         if (ret != 0) {
125                 error(1, errno, "frm_generic_run failed");
126         }
127         
128         return 0;
129 }