63 lines
1 KiB
C
63 lines
1 KiB
C
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#include <lib.h>
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#define vm_adddma _vm_adddma
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#define vm_deldma _vm_deldma
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#define vm_getdma _vm_getdma
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#include <minix/vm.h>
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#include <unistd.h>
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#include <stdarg.h>
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int vm_adddma(req_proc_e, proc_e, start, size)
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endpoint_t req_proc_e;
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endpoint_t proc_e;
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phys_bytes start;
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phys_bytes size;
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{
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message m;
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m.VMAD_REQ= req_proc_e;
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m.VMAD_EP= proc_e;
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m.VMAD_START= start;
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m.VMAD_SIZE= size;
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return _syscall(VM_PROC_NR, VM_ADDDMA, &m);
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}
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int vm_deldma(req_proc_e, proc_e, start, size)
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endpoint_t req_proc_e;
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endpoint_t proc_e;
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phys_bytes start;
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phys_bytes size;
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{
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message m;
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m.VMDD_REQ= proc_e;
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m.VMDD_EP= proc_e;
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m.VMDD_START= start;
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m.VMDD_SIZE= size;
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return _syscall(VM_PROC_NR, VM_DELDMA, &m);
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}
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int vm_getdma(req_proc_e, procp, basep, sizep)
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endpoint_t req_proc_e;
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endpoint_t *procp;
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phys_bytes *basep;
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phys_bytes *sizep;
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{
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int r;
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message m;
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m.VMGD_REQ = req_proc_e;
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r= _syscall(VM_PROC_NR, VM_GETDMA, &m);
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if (r == 0)
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{
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*procp= m.VMGD_PROCP;
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*basep= m.VMGD_BASEP;
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*sizep= m.VMGD_SIZEP;
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}
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return r;
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}
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