FreeBSD/Linux Kernel Cross Reference
sys/compat/mach/mach_host.c

     /*      $NetBSD: mach_host.c,v 1.29 2005/12/11 12:20:20 christos Exp $ */
     
     /*-
      * Copyright (c) 2002-2003 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Emmanuel Dreyfus
      *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *        This product includes software developed by the NetBSD
     *        Foundation, Inc. and its contributors.
     * 4. Neither the name of The NetBSD Foundation nor the names of its
     *    contributors may be used to endorse or promote products derived
     *    from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     */
    
    #include <sys/cdefs.h>
    __KERNEL_RCSID(0, "$NetBSD: mach_host.c,v 1.29 2005/12/11 12:20:20 christos Exp $");
    
    #include <sys/types.h>
    #include <sys/malloc.h>
    #include <sys/param.h>
    #include <sys/kernel.h>
    #include <sys/systm.h>
    #include <sys/signal.h>
    #include <sys/proc.h>
    
    #include <uvm/uvm_extern.h>
    #include <uvm/uvm_param.h>
    
    #include <compat/mach/mach_types.h>
    #include <compat/mach/mach_host.h>
    #include <compat/mach/mach_port.h>
    #include <compat/mach/mach_clock.h>
    #include <compat/mach/mach_errno.h>
    #include <compat/mach/mach_services.h>
    
    int
    mach_host_info(args)
            struct mach_trap_args *args;
    {
            mach_host_info_request_t *req = args->smsg;
            mach_host_info_reply_t *rep = args->rmsg;
            size_t *msglen = args->rsize;
            mach_host_info_reply_simple_t *reps;
    
            *msglen = sizeof(*rep);
            mach_set_header(rep, req, *msglen);
    
            switch(req->req_flavor) {
            case MACH_HOST_BASIC_INFO: {
                    struct mach_host_basic_info *info
                        = (struct mach_host_basic_info *)&rep->rep_data[0];
    
                    rep->rep_msgh.msgh_size = sizeof(*reps)
                        - sizeof(rep->rep_trailer) + sizeof(*info);
                    rep->rep_count = sizeof(*info) / sizeof(mach_integer_t);
                    mach_host_basic_info(info);
                    break;
            }
    
            case MACH_HOST_PRIORITY_INFO: {
                    struct mach_host_priority_info *info
                        = (struct mach_host_priority_info *)&rep->rep_data[0];
    
                    rep->rep_msgh.msgh_size = sizeof(*reps)
                        - sizeof(rep->rep_trailer) + sizeof(*info);
                    rep->rep_count = sizeof(*info) / sizeof(mach_integer_t);
                    mach_host_priority_info(info);
                    break;
            }
    
            case MACH_HOST_SEMAPHORE_TRAPS:
            case MACH_HOST_MACH_MSG_TRAP:
                    reps = (mach_host_info_reply_simple_t *)rep;
                    reps->rep_msgh.msgh_size =
                        sizeof(*reps) - sizeof(reps->rep_trailer);
                   *msglen = sizeof(*reps);
                   break;
   
           case MACH_HOST_SCHED_INFO: {
                   struct mach_host_sched_info *info
                       = (struct mach_host_sched_info *)&rep->rep_data[0];
   
                   rep->rep_msgh.msgh_size = sizeof(*reps)
                       - sizeof(rep->rep_trailer) + sizeof(*info);
                   rep->rep_count = sizeof(*info) / sizeof(mach_integer_t);
   
                   info->min_timeout = 1000 / hz; /* XXX timout in ms */
                   info->min_quantum = 1000 / hz; /* quantum in ms */
   
                   break;
           }
   
           case MACH_HOST_RESOURCE_SIZES:
                   uprintf("mach_host_info() Unimplemented host_info flavor %d\n",
                       req->req_flavor);
           default:
                   uprintf("Unknown host_info flavor %d\n", req->req_flavor);
                   rep->rep_retval = native_to_mach_errno[EINVAL];
                   break;
           }
   
           mach_set_trailer(rep, *msglen);
   
           return 0;
   }
   
   
   int
   mach_host_page_size(args)
           struct mach_trap_args *args;
   {
           mach_host_page_size_request_t *req = args->smsg;
           mach_host_page_size_reply_t *rep = args->rmsg;
           size_t *msglen = args->rsize;
   
           *msglen = sizeof(*rep);
           mach_set_header(rep, req, *msglen);
   
           rep->rep_page_size = PAGE_SIZE;
   
           mach_set_trailer(rep, *msglen);
   
           return 0;
   }
   
   int
   mach_host_get_clock_service(args)
           struct mach_trap_args *args;
   {
           mach_host_get_clock_service_request_t *req = args->smsg;
           mach_host_get_clock_service_reply_t *rep = args->rmsg;
           size_t *msglen = args->rsize;
           struct lwp *l = args->l;
           struct mach_right *mr;
   
           mr = mach_right_get(mach_clock_port, l, MACH_PORT_TYPE_SEND, 0);
   
           *msglen = sizeof(*rep);
           mach_set_header(rep, req, *msglen);
           mach_add_port_desc(rep, mr->mr_name);
           mach_set_trailer(rep, *msglen);
   
           return 0;
   }
   
   void
   mach_host_priority_info(info)
           struct mach_host_priority_info *info;
   {
           /* XXX One day, try to fill this correctly */
           info->kernel_priority = 0x50;
           info->system_priority = 0x50;
           info->server_priority = 0x40;
           info->user_priority = 0x1f;
           info->depress_priority = 0x00;
           info->idle_priority = 0x00;
           info->minimum_priority = 0x00;
           info->maximum_priority = 0x4f;
   
           return;
   }
   
   int
   mach_host_get_io_master(args)
           struct mach_trap_args *args;
   {
           mach_host_get_io_master_request_t *req = args->smsg;
           mach_host_get_io_master_reply_t *rep = args->rmsg;
           size_t *msglen = args->rsize;
           struct lwp *l = args->l;
           struct mach_right *mr;
   
           mr = mach_right_get(mach_io_master_port, l, MACH_PORT_TYPE_SEND, 0);
   
           *msglen = sizeof(*rep);
           mach_set_header(rep, req, *msglen);
           mach_add_port_desc(rep, mr->mr_name);
           mach_set_trailer(rep, *msglen);
   
           return 0;
   }
   
   int
   mach_processor_set_default(args)
           struct mach_trap_args *args;
   {
           mach_processor_set_default_request_t *req = args->smsg;
           mach_processor_set_default_reply_t *rep = args->rmsg;
           size_t *msglen = args->rsize;
           struct lwp *l = args->l;
           struct mach_right *mr;
           struct mach_port *mp;
   
           mp = mach_port_get();
           mr = mach_right_get(mp, l, MACH_PORT_TYPE_SEND, 0);
   
           *msglen = sizeof(*rep);
           mach_set_header(rep, req, *msglen);
           mach_add_port_desc(rep, mr->mr_name);
           mach_set_trailer(rep, *msglen);
   
           return 0;
   }
   
   int
   mach_host_processor_set_priv(args)
           struct mach_trap_args *args;
   {
           mach_host_processor_set_priv_request_t *req = args->smsg;
           mach_host_processor_set_priv_reply_t *rep = args->rmsg;
           size_t *msglen = args->rsize;
           struct lwp *l = args->l;
           mach_port_t mn;
           struct mach_right *mr;
           struct mach_right *smr;
           struct mach_port *smp;
   
           mn = req->req_set.name;
           if ((mr = mach_right_check(mn, l, MACH_PORT_TYPE_ALL_RIGHTS)) == NULL)
                   return mach_msg_error(args, EINVAL);
   
           smp = mach_port_get();
           smr = mach_right_get(smp, l, MACH_PORT_TYPE_SEND, 0);
   
           *msglen = sizeof(*rep);
           mach_set_header(rep, req, *msglen);
           mach_add_port_desc(rep, smr->mr_name);
           mach_set_trailer(rep, *msglen);
   
           return 0;
   }

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