Stefan Reinauer (stefan.reinauer@coreboot.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/1739
-gerrit
commit e77eba80aaf6318c5e9723c00efe619ef34efc93 Author: Duncan Laurie dlaurie@chromium.org Date: Sat Sep 1 14:00:23 2012 -0700
elog: add extended management engine event
We are seeing ME disabled and ME error events on some devices and this extended info can help with debug.
Also fix a potential issue where if the log does manage to get completely full it will never try to shrink it because the only call to shrink the log happens after a successful event write. Add a check at elog init time to shrink the log size.
Change-Id: Ib81dc231f6a004b341900374e6c07962cc292031 Signed-off-by: Duncan Laurie dlaurie@chromium.org --- src/drivers/elog/elog.c | 4 ++++ src/include/elog.h | 10 +++++++++ src/southbridge/intel/bd82x6x/me.c | 28 +++++++++++++++-------- src/southbridge/intel/bd82x6x/me_8.x.c | 41 +++++++++++++++++++++------------- 4 files changed, 59 insertions(+), 24 deletions(-)
diff --git a/src/drivers/elog/elog.c b/src/drivers/elog/elog.c index 7be443a..748adaf 100644 --- a/src/drivers/elog/elog.c +++ b/src/drivers/elog/elog.c @@ -803,6 +803,10 @@ int elog_init(void) elog_add_event_word(ELOG_TYPE_LOG_CLEAR, elog_get_flash()->total_size);
+ /* Shrink the log if we are getting too full */ + if (elog_get_mem()->next_event_offset >= CONFIG_ELOG_FULL_THRESHOLD) + elog_shrink(); + #if CONFIG_ELOG_BOOT_COUNT && !defined(__SMM__) /* Log boot count event except in S3 resume */ if (acpi_slp_type != 3) diff --git a/src/include/elog.h b/src/include/elog.h index 52a74ed..fa9a05c 100644 --- a/src/include/elog.h +++ b/src/include/elog.h @@ -108,6 +108,16 @@ struct elog_event_data_wake {
/* Management Engine Events */ #define ELOG_TYPE_MANAGEMENT_ENGINE 0xa2 +#define ELOG_TYPE_MANAGEMENT_ENGINE_EXT 0xa4 +struct elog_event_data_me_extended { + u8 current_working_state; + u8 operation_state; + u8 operation_mode; + u8 error_code; + u8 progress_code; + u8 current_pmevent; + u8 current_state; +} __attribute__ ((packed));
/* Last post code from previous boot */ #define ELOG_TYPE_LAST_POST_CODE 0xa3 diff --git a/src/southbridge/intel/bd82x6x/me.c b/src/southbridge/intel/bd82x6x/me.c index 3b7f342..b9aff37 100644 --- a/src/southbridge/intel/bd82x6x/me.c +++ b/src/southbridge/intel/bd82x6x/me.c @@ -568,10 +568,6 @@ static me_bios_path intel_me_path(device_t dev) /* Check and dump status */ intel_me_status(&hfs, &gmes);
- /* Check for valid firmware */ - if (hfs.fpt_bad) - return ME_ERROR_BIOS_PATH; - /* Check Current Working State */ switch (hfs.working_state) { case ME_HFS_CWS_NORMAL: @@ -598,10 +594,27 @@ static me_bios_path intel_me_path(device_t dev) break; }
- /* Check for any error code */ - if (hfs.error_code) + /* Check for any error code and valid firmware */ + if (hfs.error_code || hfs.fpt_bad) path = ME_ERROR_BIOS_PATH;
+#if CONFIG_ELOG + if (path != ME_NORMAL_BIOS_PATH) { + struct elog_event_data_me_extended data = { + .current_working_state = hfs.working_state, + .operation_state = hfs.operation_state, + .operation_mode = hfs.operation_mode, + .error_code = hfs.error_code, + .progress_code = gmes.progress_code, + .current_pmevent = gmes.current_pmevent, + .current_state = gmes.current_state, + }; + elog_add_event_byte(ELOG_TYPE_MANAGEMENT_ENGINE, path); + elog_add_event_raw(ELOG_TYPE_MANAGEMENT_ENGINE_EXT, + &data, sizeof(data)); + } +#endif + return path; }
@@ -728,9 +741,6 @@ static void intel_me_init(device_t dev) case ME_RECOVERY_BIOS_PATH: case ME_DISABLE_BIOS_PATH: case ME_FIRMWARE_UPDATE_BIOS_PATH: -#if CONFIG_ELOG - elog_add_event_byte(ELOG_TYPE_MANAGEMENT_ENGINE, path); -#endif break; } } diff --git a/src/southbridge/intel/bd82x6x/me_8.x.c b/src/southbridge/intel/bd82x6x/me_8.x.c index 9461d61..b71f7ea 100644 --- a/src/southbridge/intel/bd82x6x/me_8.x.c +++ b/src/southbridge/intel/bd82x6x/me_8.x.c @@ -549,20 +549,10 @@ static me_bios_path intel_me_path(device_t dev) /* Check and dump status */ intel_me_status(&hfs, &gmes);
- /* Check for valid firmware */ - if (hfs.fpt_bad) - return ME_ERROR_BIOS_PATH; - /* Check Current Working State */ switch (hfs.working_state) { case ME_HFS_CWS_NORMAL: path = ME_NORMAL_BIOS_PATH; - /* check if the MBP is ready */ - if (!gmes.mbp_rdy) { - printk(BIOS_CRIT, "%s: mbp is not ready!\n", - __FUNCTION__); - return ME_ERROR_BIOS_PATH; - } break; case ME_HFS_CWS_REC: path = ME_RECOVERY_BIOS_PATH; @@ -585,10 +575,34 @@ static me_bios_path intel_me_path(device_t dev) break; }
- /* Check for any error code */ - if (hfs.error_code) + /* Check for any error code and valid firmware and MBP */ + if (hfs.error_code || hfs.fpt_bad) path = ME_ERROR_BIOS_PATH;
+ /* Check if the MBP is ready */ + if (!gmes.mbp_rdy) { + printk(BIOS_CRIT, "%s: mbp is not ready!\n", + __FUNCTION__); + path = ME_ERROR_BIOS_PATH; + } + +#if CONFIG_ELOG + if (path != ME_NORMAL_BIOS_PATH) { + struct elog_event_data_me_extended data = { + .current_working_state = hfs.working_state, + .operation_state = hfs.operation_state, + .operation_mode = hfs.operation_mode, + .error_code = hfs.error_code, + .progress_code = gmes.progress_code, + .current_pmevent = gmes.current_pmevent, + .current_state = gmes.current_state, + }; + elog_add_event_byte(ELOG_TYPE_MANAGEMENT_ENGINE, path); + elog_add_event_raw(ELOG_TYPE_MANAGEMENT_ENGINE_EXT, + &data, sizeof(data)); + } +#endif + return path; }
@@ -731,9 +745,6 @@ static void intel_me_init(device_t dev) case ME_RECOVERY_BIOS_PATH: case ME_DISABLE_BIOS_PATH: case ME_FIRMWARE_UPDATE_BIOS_PATH: -#if CONFIG_ELOG - elog_add_event_byte(ELOG_TYPE_MANAGEMENT_ENGINE, path); -#endif break; } }