blob: 9d49474af2b0b5a043fe97ae4c24560a75d920dc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
/*
pci_set_acl.c
*/
#include "pci.h"
#include "syslib.h"
#include <unistd.h>
#include <minix/rs.h>
#include <minix/ds.h>
#include <minix/sysutil.h>
/*===========================================================================*
* pci_set_acl *
*===========================================================================*/
int pci_set_acl(rs_pci)
struct rs_pci *rs_pci;
{
int r;
cp_grant_id_t gid;
message m;
endpoint_t endpoint;
if (pci_procnr == ANY)
{
r= ds_retrieve_label_endpt("pci", &endpoint);
if (r != 0)
{
panic("pci_set_acl: ds_retrieve_label_endpt failed for 'pci': %d", r);
}
pci_procnr = endpoint;
}
gid= cpf_grant_direct(pci_procnr, (vir_bytes)rs_pci, sizeof(*rs_pci),
CPF_READ);
if (gid == -1)
{
printf("pci_set_acl: cpf_grant_direct failed: %d\n",
errno);
return EINVAL;
}
m.m_type= BUSC_PCI_SET_ACL;
m.m1_i1= gid;
r= ipc_sendrec(pci_procnr, &m);
cpf_revoke(gid);
if (r != 0)
panic("pci_set_acl: can't talk to PCI: %d", r);
return m.m_type;
}
|
