The SEV_PEK_GEN command is used to generate a new Platform Endorsement Key (PEK). The command is defined in SEV spec section 5.6.
Cc: Paolo Bonzini <[email protected]> Cc: "Radim Krčmář" <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Herbert Xu <[email protected]> Cc: Gary Hook <[email protected]> Cc: Tom Lendacky <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Signed-off-by: Brijesh Singh <[email protected]> --- drivers/crypto/ccp/psp-dev.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/crypto/ccp/psp-dev.c b/drivers/crypto/ccp/psp-dev.c index 5c921b36bc23..1d7212da25a5 100644 --- a/drivers/crypto/ccp/psp-dev.c +++ b/drivers/crypto/ccp/psp-dev.c @@ -195,6 +195,24 @@ static int sev_ioctl_do_platform_status(struct sev_issue_cmd *argp) return ret; } +static int sev_ioctl_do_pek_pdh_gen(int cmd, struct sev_issue_cmd *argp) +{ + int ret, err; + + ret = sev_platform_init(NULL, &argp->error); + if (ret) + return ret; + + ret = sev_do_cmd(cmd, 0, &argp->error); + + if (sev_platform_shutdown(&err)) { + argp->error = err; + ret = -EIO; + } + + return ret; +} + static long sev_ioctl(struct file *file, unsigned int ioctl, unsigned long arg) { void __user *argp = (void __user *)arg; @@ -218,6 +236,9 @@ static long sev_ioctl(struct file *file, unsigned int ioctl, unsigned long arg) case SEV_PLATFORM_STATUS: ret = sev_ioctl_do_platform_status(&input); break; + case SEV_PEK_GEN: + ret = sev_ioctl_do_pek_pdh_gen(SEV_CMD_PEK_GEN, &input); + break; default: ret = -EINVAL; goto out; -- 2.9.5
