diff options
| -rw-r--r-- | drivers/crypto/ccp/sev-dev.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c index 08a6160f0072..6fdbb3bf44b5 100644 --- a/drivers/crypto/ccp/sev-dev.c +++ b/drivers/crypto/ccp/sev-dev.c @@ -111,6 +111,13 @@ static struct sev_data_range_list *snp_range_list; static void __sev_firmware_shutdown(struct sev_device *sev, bool panic); +static int snp_shutdown_on_panic(struct notifier_block *nb, + unsigned long reason, void *arg); + +static struct notifier_block snp_panic_notifier = { + .notifier_call = snp_shutdown_on_panic, +}; + static inline bool sev_version_greater_or_equal(u8 maj, u8 min) { struct sev_device *sev = psp_master->sev_data; @@ -1200,6 +1207,9 @@ static int __sev_snp_init_locked(int *error) dev_info(sev->dev, "SEV-SNP API:%d.%d build:%d\n", sev->api_major, sev->api_minor, sev->build); + atomic_notifier_chain_register(&panic_notifier_list, + &snp_panic_notifier); + sev_es_tmr_size = SNP_TMR_SIZE; return 0; @@ -1778,6 +1788,9 @@ static int __sev_snp_shutdown_locked(int *error, bool panic) sev->snp_initialized = false; dev_dbg(sev->dev, "SEV-SNP firmware shutdown\n"); + atomic_notifier_chain_unregister(&panic_notifier_list, + &snp_panic_notifier); + /* Reset TMR size back to default */ sev_es_tmr_size = SEV_TMR_SIZE; @@ -2489,10 +2502,6 @@ static int snp_shutdown_on_panic(struct notifier_block *nb, return NOTIFY_DONE; } -static struct notifier_block snp_panic_notifier = { - .notifier_call = snp_shutdown_on_panic, -}; - int sev_issue_cmd_external_user(struct file *filep, unsigned int cmd, void *data, int *error) { @@ -2538,8 +2547,6 @@ void sev_pci_init(void) dev_err(sev->dev, "SEV: failed to INIT error %#x, rc %d\n", args.error, rc); - atomic_notifier_chain_register(&panic_notifier_list, - &snp_panic_notifier); return; err: @@ -2556,7 +2563,4 @@ void sev_pci_exit(void) return; sev_firmware_shutdown(sev); - - atomic_notifier_chain_unregister(&panic_notifier_list, - &snp_panic_notifier); } |