[src/trunk]: src/sys/rump/dev/lib/libpci Implement bus_space_read/write_multi...

[pooka <pooka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/771cbb0e3d59
branches:  trunk
changeset: 338295:771cbb0e3d59
user:      pooka <pooka%NetBSD.org@localhost>
date:      Sun May 17 13:45:37 2015 +0000

description:
Implement bus_space_read/write_multi() and bus_space_subregion().

Used by (at least) wdc.

diffstat:

 sys/rump/dev/lib/libpci/rumpdev_bus_space.c |  77 ++++++++++++++++++++++++++++-
 1 files changed, 75 insertions(+), 2 deletions(-)

diffs (105 lines):

diff -r 0e2305a7c43a -r 771cbb0e3d59 sys/rump/dev/lib/libpci/rumpdev_bus_space.c
--- a/sys/rump/dev/lib/libpci/rumpdev_bus_space.c       Sun May 17 13:14:41 2015 +0000
+++ b/sys/rump/dev/lib/libpci/rumpdev_bus_space.c       Sun May 17 13:45:37 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rumpdev_bus_space.c,v 1.3 2014/08/22 14:28:58 pooka Exp $      */
+/*     $NetBSD: rumpdev_bus_space.c,v 1.4 2015/05/17 13:45:37 pooka Exp $      */
 
 /*-
  * Copyright (c) 2013 Antti Kantee.  All Rights Reserved.
@@ -127,6 +127,39 @@
 }
 
 void
+bus_space_read_multi_1(bus_space_tag_t bst, bus_space_handle_t bsh,
+       bus_size_t offset, uint8_t *datap, bus_size_t count)
+{
+
+       while (count--) {
+               *datap++ = bus_space_read_1(bst, bsh, offset);
+               bus_space_barrier(bst, bst, offset, 1, BUS_SPACE_BARRIER_READ);
+       }
+}
+
+void
+bus_space_read_multi_2(bus_space_tag_t bst, bus_space_handle_t bsh,
+       bus_size_t offset, uint16_t *datap, bus_size_t count)
+{
+
+       while (count--) {
+               *datap++ = bus_space_read_2(bst, bsh, offset);
+               bus_space_barrier(bst, bst, offset, 2, BUS_SPACE_BARRIER_READ);
+       }
+}
+
+void
+bus_space_read_multi_4(bus_space_tag_t bst, bus_space_handle_t bsh,
+       bus_size_t offset, uint32_t *datap, bus_size_t count)
+{
+
+       while (count--) {
+               *datap++ = bus_space_read_4(bst, bsh, offset);
+               bus_space_barrier(bst, bst, offset, 4, BUS_SPACE_BARRIER_READ);
+       }
+}
+
+void
 bus_space_write_1(bus_space_tag_t bst, bus_space_handle_t bsh,
        bus_size_t offset, uint8_t v)
 {
@@ -177,6 +210,45 @@
        }
 }
 
+void
+bus_space_write_multi_1(bus_space_tag_t bst, bus_space_handle_t bsh,
+       bus_size_t offset, const uint8_t *datap, bus_size_t count)
+{
+
+       while (count--) {
+               const uint8_t value = *datap++;
+
+               bus_space_write_1(bst, bsh, offset, value);
+               bus_space_barrier(bst, bst, offset, 1, BUS_SPACE_BARRIER_WRITE);
+       }
+}
+
+void
+bus_space_write_multi_2(bus_space_tag_t bst, bus_space_handle_t bsh,
+       bus_size_t offset, const uint16_t *datap, bus_size_t count)
+{
+
+       while (count--) {
+               const uint16_t value = *datap++;
+
+               bus_space_write_2(bst, bsh, offset, value);
+               bus_space_barrier(bst, bst, offset, 2, BUS_SPACE_BARRIER_WRITE);
+       }
+}
+
+void
+bus_space_write_multi_4(bus_space_tag_t bst, bus_space_handle_t bsh,
+       bus_size_t offset, const uint32_t *datap, bus_size_t count)
+{
+
+       while (count--) {
+               const uint32_t value = *datap++;
+
+               bus_space_write_4(bst, bsh, offset, value);
+               bus_space_barrier(bst, bst, offset, 4, BUS_SPACE_BARRIER_WRITE);
+       }
+}
+
 paddr_t
 bus_space_mmap(bus_space_tag_t bst, bus_addr_t addr, off_t off,
        int prot, int flags)
@@ -190,7 +262,8 @@
        bus_size_t offset, bus_size_t size, bus_space_handle_t *nhandlep)
 {
 
-       panic("%s: unimplemented", __func__);
+       *nhandlep = bsh + offset;
+       return 0;
 }
 
 void