1*433d6423SLionel Sambuc #include "syslib.h"
2*433d6423SLionel Sambuc
3*433d6423SLionel Sambuc /*===========================================================================*
4*433d6423SLionel Sambuc * sys_umap_remote *
5*433d6423SLionel Sambuc *===========================================================================*/
sys_umap_remote(proc_ep,grantee,seg,vir_addr,bytes,phys_addr)6*433d6423SLionel Sambuc int sys_umap_remote(proc_ep, grantee, seg, vir_addr, bytes, phys_addr)
7*433d6423SLionel Sambuc endpoint_t proc_ep; /* process number to do umap for */
8*433d6423SLionel Sambuc endpoint_t grantee; /* process nr to check as grantee */
9*433d6423SLionel Sambuc int seg; /* T, D, or S segment */
10*433d6423SLionel Sambuc vir_bytes vir_addr; /* address in bytes with segment*/
11*433d6423SLionel Sambuc vir_bytes bytes; /* number of bytes to be copied */
12*433d6423SLionel Sambuc phys_bytes *phys_addr; /* placeholder for result */
13*433d6423SLionel Sambuc {
14*433d6423SLionel Sambuc message m;
15*433d6423SLionel Sambuc int result;
16*433d6423SLionel Sambuc
17*433d6423SLionel Sambuc /* Note about the grantee parameter:
18*433d6423SLionel Sambuc * - Is ignored for non-grant umap calls, but should be SELF to
19*433d6423SLionel Sambuc * pass the sanity check in that case;
20*433d6423SLionel Sambuc * - May be SELF to get the same behaviour as sys_umap, namely that the
21*433d6423SLionel Sambuc * caller must be the grantee;
22*433d6423SLionel Sambuc * - In all other cases, should be a valid endpoint (neither ANY nor NONE).
23*433d6423SLionel Sambuc */
24*433d6423SLionel Sambuc
25*433d6423SLionel Sambuc m.m_lsys_krn_sys_umap.src_endpt = proc_ep;
26*433d6423SLionel Sambuc m.m_lsys_krn_sys_umap.dst_endpt = grantee;
27*433d6423SLionel Sambuc m.m_lsys_krn_sys_umap.segment = seg;
28*433d6423SLionel Sambuc m.m_lsys_krn_sys_umap.src_addr = vir_addr;
29*433d6423SLionel Sambuc m.m_lsys_krn_sys_umap.nr_bytes = bytes;
30*433d6423SLionel Sambuc
31*433d6423SLionel Sambuc result = _kernel_call(SYS_UMAP_REMOTE, &m);
32*433d6423SLionel Sambuc *phys_addr = m.m_krn_lsys_sys_umap.dst_addr;
33*433d6423SLionel Sambuc return(result);
34*433d6423SLionel Sambuc }
35*433d6423SLionel Sambuc
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