diff options
author | Paul Mackerras <paulus@samba.org> | 2005-11-14 01:30:17 -0500 |
---|---|---|
committer | Paul Mackerras <paulus@samba.org> | 2005-11-14 01:30:17 -0500 |
commit | 7568cb4ef6c507164b65b01f972a3bd026898ae1 (patch) | |
tree | ba608f4c84d8765d5a1491c345f6dc265b5ec4ea /arch/powerpc/platforms/pseries/hvconsole.c | |
parent | c55377ee73f6efeb373ae06f6e918d87660b4852 (diff) |
powerpc: Move most remaining ppc64 files over to arch/powerpc
Also deletes files in arch/ppc64 that are no longer used now that
we don't compile with ARCH=ppc64 any more.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/platforms/pseries/hvconsole.c')
-rw-r--r-- | arch/powerpc/platforms/pseries/hvconsole.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/hvconsole.c b/arch/powerpc/platforms/pseries/hvconsole.c new file mode 100644 index 000000000000..138e128a3886 --- /dev/null +++ b/arch/powerpc/platforms/pseries/hvconsole.c | |||
@@ -0,0 +1,74 @@ | |||
1 | /* | ||
2 | * hvconsole.c | ||
3 | * Copyright (C) 2004 Hollis Blanchard, IBM Corporation | ||
4 | * Copyright (C) 2004 IBM Corporation | ||
5 | * | ||
6 | * Additional Author(s): | ||
7 | * Ryan S. Arnold <rsa@us.ibm.com> | ||
8 | * | ||
9 | * LPAR console support. | ||
10 | * | ||
11 | * This program is free software; you can redistribute it and/or modify | ||
12 | * it under the terms of the GNU General Public License as published by | ||
13 | * the Free Software Foundation; either version 2 of the License, or | ||
14 | * (at your option) any later version. | ||
15 | * | ||
16 | * This program is distributed in the hope that it will be useful, | ||
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
19 | * GNU General Public License for more details. | ||
20 | * | ||
21 | * You should have received a copy of the GNU General Public License | ||
22 | * along with this program; if not, write to the Free Software | ||
23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
24 | */ | ||
25 | |||
26 | #include <linux/kernel.h> | ||
27 | #include <linux/module.h> | ||
28 | #include <asm/hvcall.h> | ||
29 | #include <asm/hvconsole.h> | ||
30 | |||
31 | /** | ||
32 | * hvc_get_chars - retrieve characters from firmware for denoted vterm adatper | ||
33 | * @vtermno: The vtermno or unit_address of the adapter from which to fetch the | ||
34 | * data. | ||
35 | * @buf: The character buffer into which to put the character data fetched from | ||
36 | * firmware. | ||
37 | * @count: not used? | ||
38 | */ | ||
39 | int hvc_get_chars(uint32_t vtermno, char *buf, int count) | ||
40 | { | ||
41 | unsigned long got; | ||
42 | |||
43 | if (plpar_hcall(H_GET_TERM_CHAR, vtermno, 0, 0, 0, &got, | ||
44 | (unsigned long *)buf, (unsigned long *)buf+1) == H_Success) | ||
45 | return got; | ||
46 | return 0; | ||
47 | } | ||
48 | |||
49 | EXPORT_SYMBOL(hvc_get_chars); | ||
50 | |||
51 | |||
52 | /** | ||
53 | * hvc_put_chars: send characters to firmware for denoted vterm adapter | ||
54 | * @vtermno: The vtermno or unit_address of the adapter from which the data | ||
55 | * originated. | ||
56 | * @buf: The character buffer that contains the character data to send to | ||
57 | * firmware. | ||
58 | * @count: Send this number of characters. | ||
59 | */ | ||
60 | int hvc_put_chars(uint32_t vtermno, const char *buf, int count) | ||
61 | { | ||
62 | unsigned long *lbuf = (unsigned long *) buf; | ||
63 | long ret; | ||
64 | |||
65 | ret = plpar_hcall_norets(H_PUT_TERM_CHAR, vtermno, count, lbuf[0], | ||
66 | lbuf[1]); | ||
67 | if (ret == H_Success) | ||
68 | return count; | ||
69 | if (ret == H_Busy) | ||
70 | return 0; | ||
71 | return -EIO; | ||
72 | } | ||
73 | |||
74 | EXPORT_SYMBOL(hvc_put_chars); | ||