diff options
author | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
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committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/arch/powerpc/include/asm/pmi.h | |
parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/arch/powerpc/include/asm/pmi.h')
-rw-r--r-- | kernel/arch/powerpc/include/asm/pmi.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/kernel/arch/powerpc/include/asm/pmi.h b/kernel/arch/powerpc/include/asm/pmi.h new file mode 100644 index 000000000..b4e91fbf5 --- /dev/null +++ b/kernel/arch/powerpc/include/asm/pmi.h @@ -0,0 +1,66 @@ +#ifndef _POWERPC_PMI_H +#define _POWERPC_PMI_H + +/* + * Definitions for talking with PMI device on PowerPC + * + * PMI (Platform Management Interrupt) is a way to communicate + * with the BMC (Baseboard Management Controller) via interrupts. + * Unlike IPMI it is bidirectional and has a low latency. + * + * (C) Copyright IBM Deutschland Entwicklung GmbH 2005 + * + * Author: Christian Krafft <krafft@de.ibm.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifdef __KERNEL__ + +#define PMI_TYPE_FREQ_CHANGE 0x01 +#define PMI_TYPE_POWER_BUTTON 0x02 +#define PMI_READ_TYPE 0 +#define PMI_READ_DATA0 1 +#define PMI_READ_DATA1 2 +#define PMI_READ_DATA2 3 +#define PMI_WRITE_TYPE 4 +#define PMI_WRITE_DATA0 5 +#define PMI_WRITE_DATA1 6 +#define PMI_WRITE_DATA2 7 + +#define PMI_ACK 0x80 + +#define PMI_TIMEOUT 100 + +typedef struct { + u8 type; + u8 data0; + u8 data1; + u8 data2; +} pmi_message_t; + +struct pmi_handler { + struct list_head node; + u8 type; + void (*handle_pmi_message) (pmi_message_t); +}; + +int pmi_register_handler(struct pmi_handler *); +void pmi_unregister_handler(struct pmi_handler *); + +int pmi_send_message(pmi_message_t); + +#endif /* __KERNEL__ */ +#endif /* _POWERPC_PMI_H */ |