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| author | Vasant Hegde <hegdevasant@linux.vnet.ibm.com> | 2018-06-15 16:05:31 +0530 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.ibm.com> | 2018-06-18 22:13:43 -0500 |
| commit | ded1f6e1abf5d5d1afdbf62e558ec9eca22f1658 (patch) | |
| tree | 91b9598e64c74f6813c1962ef523cdbc204b1687 /hw | |
| parent | fca2b2b839a673a1e52fc6b19ee6d33b2dfbc003 (diff) | |
| download | skiboot-ded1f6e1abf5d5d1afdbf62e558ec9eca22f1658.zip skiboot-ded1f6e1abf5d5d1afdbf62e558ec9eca22f1658.tar.gz skiboot-ded1f6e1abf5d5d1afdbf62e558ec9eca22f1658.tar.bz2 | |
fast-reboot: Disable on FSP IPL side change
If FSP changes next IPL side, then disable fast reboot.
sample output:
[ 620.196442259,5] FSP: Got sysparam update, param ID 0xf0000007
[ 620.196444501,5] CUPD: FW IPL side changed. Disable fast reboot
[ 620.196445389,5] CUPD: Next IPL side : perm
Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/fsp/fsp-codeupdate.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/hw/fsp/fsp-codeupdate.c b/hw/fsp/fsp-codeupdate.c index f17703a..e38b187 100644 --- a/hw/fsp/fsp-codeupdate.c +++ b/hw/fsp/fsp-codeupdate.c @@ -206,6 +206,29 @@ static void get_platform_hmc_managed(void) } } +static bool fw_ipl_side_update_notify(struct fsp_msg *msg) +{ + u32 param_id = msg->data.words[0]; + int dlen = msg->data.words[1] & 0xffff; + uint32_t state = msg->data.words[2]; + + if (param_id != SYS_PARAM_FW_IPL_SIDE) + return false; + + if (dlen != 4) { + prlog(PR_DEBUG, + "CUPD: Invalid sysparams notify len : 0x%x\n", dlen); + return false; + } + + prlog(PR_NOTICE, "CUPD: FW IPL side changed. Disable fast reboot\n"); + prlog(PR_NOTICE, "CUPD: Next IPL side : %s\n", + state == FW_IPL_SIDE_TEMP ? "temp" : "perm"); + + disable_fast_reboot("FSP IPL Side Change"); + return true; +} + static int64_t code_update_check_state(void) { switch(flash_state) { @@ -1275,6 +1298,9 @@ void fsp_code_update_init(void) /* Register for Class AA (FSP R/R) */ fsp_register_client(&fsp_cupd_client_rr, FSP_MCLASS_RR_EVENT); + /* Register for firmware IPL side update notification */ + sysparam_add_update_notifier(fw_ipl_side_update_notify); + /* Flash hook */ fsp_flash_term_hook = NULL; |