1 /* 2 pci_set_acl.c 3 */ 4 5 #include "pci.h" 6 #include "syslib.h" 7 #include <unistd.h> 8 #include <minix/rs.h> 9 #include <minix/ds.h> 10 #include <minix/sysutil.h> 11 12 /*===========================================================================* 13 * pci_set_acl * 14 *===========================================================================*/ pci_set_acl(rs_pci)15int pci_set_acl(rs_pci) 16 struct rs_pci *rs_pci; 17 { 18 int r; 19 cp_grant_id_t gid; 20 message m; 21 endpoint_t endpoint; 22 23 if (pci_procnr == ANY) 24 { 25 r= ds_retrieve_label_endpt("pci", &endpoint); 26 if (r != 0) 27 { 28 panic("pci_set_acl: ds_retrieve_label_endpt failed for 'pci': %d", r); 29 } 30 pci_procnr = endpoint; 31 } 32 33 34 gid= cpf_grant_direct(pci_procnr, (vir_bytes)rs_pci, sizeof(*rs_pci), 35 CPF_READ); 36 if (gid == -1) 37 { 38 printf("pci_set_acl: cpf_grant_direct failed: %d\n", 39 errno); 40 return EINVAL; 41 } 42 43 m.m_type= BUSC_PCI_SET_ACL; 44 m.m1_i1= gid; 45 46 r= ipc_sendrec(pci_procnr, &m); 47 cpf_revoke(gid); 48 if (r != 0) 49 panic("pci_set_acl: can't talk to PCI: %d", r); 50 51 return m.m_type; 52 } 53 54