WebSVN – HelenOS-historic – Path Comparison – / – /kernel/ Rev 1190 and /kernel/ Rev 1191

Ignore whitespace Rev 1190 → Rev 1191

 /kernel/trunk/generic/include/ddi/ddi_arg.h
 ,6 → 36,13
     void *virt_base;        /** Virtual address of starting page. */
     unsigned long pages;        /** Number of pages to map. */
     int writable;           /** True if the mapping should be writable. */
-} ddi_arg_t;
+} ddi_memarg_t;
+/** Structure encapsulating arguments for SYS_ENABLE_IOSPACE syscall. */
+typedef struct {
+    unsigned long long task_id; /** ID of the destination task. */
+    void *ioaddr;           /** Starting I/O space address. */
+    unsigned long size;     /** Number of bytes. */
+} ddi_ioarg_t;
 #endif

 /kernel/trunk/generic/include/ddi/ddi.h
 ,7 → 31,14
 #include <ddi/ddi_arg.h>
 #include <arch/types.h>
+#include <typedefs.h>
-extern __native sys_map_physmem(ddi_arg_t *uspace_ddi_arg);
+extern __native sys_map_physmem(ddi_memarg_t *uspace_mem_arg);
+extern __native sys_enable_iospace(ddi_ioarg_t *uspace_io_arg);
+/*
+ * Interface to be implemented by all architectures.
+ */
+extern int ddi_enable_iospace_arch(task_t *task, __address ioaddr, size_t size);
 #endif

/kernel/trunk/generic/include/syscall/syscall.h
49,6 → 49,7
SYS_IPC_WAIT,
SYS_IPC_HANGUP,
SYS_MAP_PHYSMEM,
SYS_ENABLE_IOSPACE,
SYSCALL_END
} syscall_t;

 /kernel/trunk/generic/src/ddi/ddi.c
 ,18 → 111,86
     return 0;
 }
+/** Enable range of I/O space for task.
+ *
+ * @param id Task ID of the destination task.
+ * @param ioaddr Starting I/O address.
+ * @param size Size of the enabled I/O space..
+ *
+ * @return 0 on success, EPERM if the caller lacks capabilities to use this syscall,
+ *     ENOENT if there is no task matching the specified ID.
+ */
+static int ddi_enable_iospace(task_id_t id, __address ioaddr, size_t size)
+{
+    ipl_t ipl;
+    cap_t caps;
+    task_t *t;
+    int rc;
+    /*
+     * Make sure the caller is authorised to make this syscall.
+     */
+    caps = cap_get(TASK);
+    if (!(caps & CAP_IO_MANAGER))
+        return EPERM;
+    ipl = interrupts_disable();
+    spinlock_lock(&tasks_lock);
+    t = task_find_by_id(id);
+    if (!t) {
+        /*
+         * There is no task with the specified ID.
+         */
+        spinlock_unlock(&tasks_lock);
+        interrupts_restore(ipl);
+        return ENOENT;
+    }
+    /*
+     * TODO: We are currently lacking support for task destroying.
+     * Once it is added to the kernel, we must take care to
+     * synchronize in a way that prevents race conditions here.
+     */
+    /* Lock the task and release the lock protecting tasks_btree. */
+    spinlock_lock(&t->lock);
+    spinlock_unlock(&tasks_lock);
+    rc = ddi_enable_iospace_arch(t, ioaddr, size);
+    spinlock_unlock(&t->lock);
+    interrupts_restore(ipl);
+    return rc;
+}
 /** Wrapper for SYS_MAP_PHYSMEM syscall.
  *
- * @param User space address of DDI argument structure.
+ * @param User space address of memory DDI argument structure.
  *
  * @return 0 on success, otherwise it returns error code found in errno.h
  */
-__native sys_map_physmem(ddi_arg_t *uspace_ddi_arg)
+__native sys_map_physmem(ddi_memarg_t *uspace_mem_arg)
 {
-    ddi_arg_t arg;
+    ddi_memarg_t arg;
-    copy_from_uspace(&arg, uspace_ddi_arg, sizeof(ddi_arg_t));
+    copy_from_uspace(&arg, uspace_mem_arg, sizeof(ddi_memarg_t));
     return (__native) ddi_map_physmem((task_id_t) arg.task_id, ALIGN_DOWN((__address) arg.phys_base, FRAME_SIZE),
                       ALIGN_DOWN((__address) arg.virt_base, PAGE_SIZE), (count_t) arg.pages,
                       (bool) arg.writable);
 }
+/** Wrapper for SYS_ENABLE_IOSPACE syscall.
+ *
+ * @param User space address of DDI argument structure.
+ *
+ * @return 0 on success, otherwise it returns error code found in errno.h
+ */
+__native sys_enable_iospace(ddi_ioarg_t *uspace_io_arg)
+{
+    ddi_ioarg_t arg;
+    copy_from_uspace(&arg, uspace_io_arg, sizeof(ddi_ioarg_t));
+    return (__native) ddi_enable_iospace((task_id_t) arg.task_id, (__address) arg.ioaddr, (size_t) arg.size);
+}

/kernel/trunk/generic/src/syscall/syscall.c
93,5 → 93,6
sys_ipc_forward_fast,
sys_ipc_wait_for_call,
sys_ipc_hangup,
sys_map_physmem
sys_map_physmem,
sys_enable_iospace
};

/kernel/trunk/arch/sparc64/Makefile.inc
89,4 → 89,5
arch/$(ARCH)/src/trap/trap.c \
arch/$(ARCH)/src/trap/exception.c \
arch/$(ARCH)/src/trap/interrupt.c \
arch/$(ARCH)/src/ddi/ddi.c \
arch/$(ARCH)/src/drivers/tick.c

 /kernel/trunk/arch/sparc64/src/ddi/ddi.c
 ,0 → 1,47
+/*
+ * Copyright (C) 2006 Jakub Jermar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - 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.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 <ddi/ddi.h>
+#include <proc/task.h>
+#include <arch/types.h>
+#include <typedefs.h>
+/** Enable I/O space range for task.
+ *
+ * Interrupts are disabled and task is locked.
+ *
+ * @param task Task.
+ * @param ioaddr Startign I/O space address.
+ * @param size Size of the enabled I/O range.
+ *
+ * @return 0 on success or an error code from errno.h.
+ */
+int ddi_enable_iospace_arch(task_t *task, __address ioaddr, size_t size)
+{
+    return 0;
+}

/kernel/trunk/arch/ia64/Makefile.inc
85,4 → 85,5
arch/$(ARCH)/src/mm/page.c \
arch/$(ARCH)/src/mm/tlb.c \
arch/$(ARCH)/src/proc/scheduler.c \
arch/$(ARCH)/src/ddi/ddi.c \
arch/$(ARCH)/src/drivers/it.c

 /kernel/trunk/arch/ia64/src/ddi/ddi.c
 ,0 → 1,47
+/*
+ * Copyright (C) 2006 Jakub Jermar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - 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.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 <ddi/ddi.h>
+#include <proc/task.h>
+#include <arch/types.h>
+#include <typedefs.h>
+/** Enable I/O space range for task.
+ *
+ * Interrupts are disabled and task is locked.
+ *
+ * @param task Task.
+ * @param ioaddr Startign I/O space address.
+ * @param size Size of the enabled I/O range.
+ *
+ * @return 0 on success or an error code from errno.h.
+ */
+int ddi_enable_iospace_arch(task_t *task, __address ioaddr, size_t size)
+{
+    return 0;
+}

/kernel/trunk/arch/ppc32/Makefile.inc
68,6 → 68,7
arch/$(ARCH)/src/asm.S \
arch/$(ARCH)/src/cpu/cpu.c \
arch/$(ARCH)/src/proc/scheduler.c \
arch/$(ARCH)/src/ddi/ddi.c \
arch/$(ARCH)/src/drivers/cuda.c \
arch/$(ARCH)/src/mm/as.c \
arch/$(ARCH)/src/mm/frame.c \

 /kernel/trunk/arch/ppc32/src/ddi/ddi.c
 ,0 → 1,47
+/*
+ * Copyright (C) 2006 Jakub Jermar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - 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.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 <ddi/ddi.h>
+#include <proc/task.h>
+#include <arch/types.h>
+#include <typedefs.h>
+/** Enable I/O space range for task.
+ *
+ * Interrupts are disabled and task is locked.
+ *
+ * @param task Task.
+ * @param ioaddr Startign I/O space address.
+ * @param size Size of the enabled I/O range.
+ *
+ * @return 0 on success or an error code from errno.h.
+ */
+int ddi_enable_iospace_arch(task_t *task, __address ioaddr, size_t size)
+{
+    return 0;
+}

/kernel/trunk/arch/amd64/Makefile.inc
88,6 → 88,7
arch/$(ARCH)/src/boot/boot.S \
arch/$(ARCH)/src/pm.c \
arch/$(ARCH)/src/context.S \
arch/$(ARCH)/src/ddi/ddi.c \
arch/$(ARCH)/src/drivers/ega.c \
arch/$(ARCH)/src/drivers/i8254.c \
arch/$(ARCH)/src/drivers/i8259.c \

 /kernel/trunk/arch/amd64/src/ddi/ddi.c
 ,0 → 1,47
+/*
+ * Copyright (C) 2006 Jakub Jermar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - 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.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 <ddi/ddi.h>
+#include <proc/task.h>
+#include <arch/types.h>
+#include <typedefs.h>
+/** Enable I/O space range for task.
+ *
+ * Interrupts are disabled and task is locked.
+ *
+ * @param task Task.
+ * @param ioaddr Startign I/O space address.
+ * @param size Size of the enabled I/O range.
+ *
+ * @return 0 on success or an error code from errno.h.
+ */
+int ddi_enable_iospace_arch(task_t *task, __address ioaddr, size_t size)
+{
+    return 0;
+}

/kernel/trunk/arch/ppc64/Makefile.inc
67,6 → 67,7
arch/$(ARCH)/src/interrupt.c \
arch/$(ARCH)/src/asm.S \
arch/$(ARCH)/src/cpu/cpu.c \
arch/$(ARCH)/src/ddi/ddi.c \
arch/$(ARCH)/src/proc/scheduler.c \
arch/$(ARCH)/src/mm/as.c \
arch/$(ARCH)/src/mm/frame.c \

 /kernel/trunk/arch/ppc64/src/ddi/ddi.c
 ,0 → 1,47
+/*
+ * Copyright (C) 2006 Jakub Jermar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - 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.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 <ddi/ddi.h>
+#include <proc/task.h>
+#include <arch/types.h>
+#include <typedefs.h>
+/** Enable I/O space range for task.
+ *
+ * Interrupts are disabled and task is locked.
+ *
+ * @param task Task.
+ * @param ioaddr Startign I/O space address.
+ * @param size Size of the enabled I/O range.
+ *
+ * @return 0 on success or an error code from errno.h.
+ */
+int ddi_enable_iospace_arch(task_t *task, __address ioaddr, size_t size)
+{
+    return 0;
+}

/kernel/trunk/arch/mips32/Makefile.inc
125,6 → 125,7
arch/$(ARCH)/src/mm/tlb.c \
arch/$(ARCH)/src/mm/as.c \
arch/$(ARCH)/src/fpu_context.c \
arch/$(ARCH)/src/ddi/ddi.c \
arch/$(ARCH)/src/drivers/arc.c \
arch/$(ARCH)/src/drivers/msim.c \
arch/$(ARCH)/src/drivers/serial.c

 /kernel/trunk/arch/mips32/src/ddi/ddi.c
 ,0 → 1,47
+/*
+ * Copyright (C) 2006 Jakub Jermar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - 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.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 <ddi/ddi.h>
+#include <proc/task.h>
+#include <arch/types.h>
+#include <typedefs.h>
+/** Enable I/O space range for task.
+ *
+ * Interrupts are disabled and task is locked.
+ *
+ * @param task Task.
+ * @param ioaddr Startign I/O space address.
+ * @param size Size of the enabled I/O range.
+ *
+ * @return 0 on success or an error code from errno.h.
+ */
+int ddi_enable_iospace_arch(task_t *task, __address ioaddr, size_t size)
+{
+    return 0;
+}

/kernel/trunk/arch/ia32/Makefile.inc
127,6 → 127,7
arch/$(ARCH)/src/mm/memory_init.c \
arch/$(ARCH)/src/mm/page.c \
arch/$(ARCH)/src/mm/tlb.c \
arch/$(ARCH)/src/ddi/ddi.c \
arch/$(ARCH)/src/drivers/i8254.c \
arch/$(ARCH)/src/drivers/i8259.c \
arch/$(ARCH)/src/drivers/ega.c \

 /kernel/trunk/arch/ia32/src/ddi/ddi.c
 ,0 → 1,47
+/*
+ * Copyright (C) 2006 Jakub Jermar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - 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.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 <ddi/ddi.h>
+#include <proc/task.h>
+#include <arch/types.h>
+#include <typedefs.h>
+/** Enable I/O space range for task.
+ *
+ * Interrupts are disabled and task is locked.
+ *
+ * @param task Task.
+ * @param ioaddr Startign I/O space address.
+ * @param size Size of the enabled I/O range.
+ *
+ * @return 0 on success or an error code from errno.h.
+ */
+int ddi_enable_iospace_arch(task_t *task, __address ioaddr, size_t size)
+{
+    return 0;
+}

Subversion Repositories HelenOS-historic

Compare Revisions

Ignore whitespace Rev 1190 → Rev 1191