diff options
Diffstat (limited to 'hw/fsp/fsp-console.c')
| -rw-r--r-- | hw/fsp/fsp-console.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/hw/fsp/fsp-console.c b/hw/fsp/fsp-console.c index 8eaf7b8..ae71761 100644 --- a/hw/fsp/fsp-console.c +++ b/hw/fsp/fsp-console.c @@ -26,6 +26,11 @@ #include <timebase.h> #include <device.h> #include <fsp-sysparam.h> +#include <errorlog.h> + +DEFINE_LOG_ENTRY(OPAL_RC_CONSOLE_HANG, OPAL_PLATFORM_ERR_EVT, OPAL_CONSOLE, + OPAL_PLATFORM_FIRMWARE, + OPAL_PREDICTIVE_ERR_GENERAL, OPAL_NA); struct fsp_serbuf_hdr { u16 partition_id; @@ -611,7 +616,18 @@ static int64_t fsp_console_write(int64_t term_number, int64_t *length, *length = written; unlock(&fsp_con_lock); - return written ? OPAL_SUCCESS : OPAL_BUSY_EVENT; + if (written) + return OPAL_SUCCESS; + + /* + * FSP is still active but not reading console data. Hence + * our console buffer became full. Most likely IPMI daemon + * on FSP is buggy. Lets log error and return OPAL_HARDWARE + * to payload (Linux). + */ + log_simple_error(&e_info(OPAL_RC_CONSOLE_HANG), "FSPCON: Console " + "buffer is full, dropping console data\n"); + return OPAL_HARDWARE; } static int64_t fsp_console_write_buffer_space(int64_t term_number, |