diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/crypto/ccp/sev-dev.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c index 8ea362ac014f..686b16e69de7 100644 --- a/drivers/crypto/ccp/sev-dev.c +++ b/drivers/crypto/ccp/sev-dev.c @@ -43,6 +43,10 @@ static int psp_probe_timeout = 5; module_param(psp_probe_timeout, int, 0644); MODULE_PARM_DESC(psp_probe_timeout, " default timeout value, in seconds, during PSP device probe"); +static bool psp_init_on_probe = true; +module_param(psp_init_on_probe, bool, 0444); +MODULE_PARM_DESC(psp_init_on_probe, " if true, the PSP will be initialized on module init. Else the PSP will be initialized on the first command requiring it"); + MODULE_FIRMWARE("amd/amd_sev_fam17h_model0xh.sbin"); /* 1st gen EPYC */ MODULE_FIRMWARE("amd/amd_sev_fam17h_model3xh.sbin"); /* 2nd gen EPYC */ MODULE_FIRMWARE("amd/amd_sev_fam19h_model0xh.sbin"); /* 3rd gen EPYC */ @@ -305,7 +309,10 @@ static int __sev_platform_init_locked(int *error) dev_dbg(sev->dev, "SEV firmware initialized\n"); - return rc; + dev_info(sev->dev, "SEV API:%d.%d build:%d\n", sev->api_major, + sev->api_minor, sev->build); + + return 0; } int sev_platform_init(int *error) @@ -1109,16 +1116,14 @@ void sev_pci_init(void) dev_warn(sev->dev, "SEV: TMR allocation failed, SEV-ES support unavailable\n"); + if (!psp_init_on_probe) + return; + /* Initialize the platform */ rc = sev_platform_init(&error); - if (rc) { + if (rc) dev_err(sev->dev, "SEV: failed to INIT error %#x, rc %d\n", error, rc); - return; - } - - dev_info(sev->dev, "SEV API:%d.%d build:%d\n", sev->api_major, - sev->api_minor, sev->build); return; |