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| author | Joel Stanley <joel@jms.id.au> | 2014-04-01 14:28:19 +1030 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-04-09 12:53:19 +1000 |
| commit | bfc36894a48b996eba7e02d8e43093a289c1fb91 (patch) | |
| tree | a2429363b192b759a0d4d27c8403f062a6fbbaf3 /arch/powerpc/include/asm/opal.h | |
| parent | 6e556b471036b751aaa1a1b5a189eff76b1a2d0b (diff) | |
| download | lwn-bfc36894a48b996eba7e02d8e43093a289c1fb91.tar.gz lwn-bfc36894a48b996eba7e02d8e43093a289c1fb91.zip | |
powerpc/powernv: Add OPAL message log interface
OPAL provides an in-memory circular buffer containing a message log
populated with various runtime messages produced by the firmware.
Provide a sysfs interface /sys/firmware/opal/msglog for userspace to
view the messages.
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/opal.h')
| -rw-r--r-- | arch/powerpc/include/asm/opal.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h index a13ab397edda..05f9455615d6 100644 --- a/arch/powerpc/include/asm/opal.h +++ b/arch/powerpc/include/asm/opal.h @@ -730,6 +730,9 @@ typedef struct oppanel_line { /* /sys/firmware/opal */ extern struct kobject *opal_kobj; +/* /ibm,opal */ +extern struct device_node *opal_node; + /* API functions */ int64_t opal_console_write(int64_t term_number, __be64 *length, const uint8_t *buffer); @@ -920,6 +923,7 @@ extern void opal_flash_init(void); extern int opal_elog_init(void); extern void opal_platform_dump_init(void); extern void opal_sys_param_init(void); +extern void opal_msglog_init(void); extern int opal_machine_check(struct pt_regs *regs); extern bool opal_mce_check_early_recovery(struct pt_regs *regs); |