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Date: Thu, 19 Oct 2017 21:33:51 -0500 From: Brijesh Singh <brijesh.singh@....com> To: kvm@...r.kernel.org Cc: bp@...en8.de, Brijesh Singh <brijesh.singh@....com>, Paolo Bonzini <pbonzini@...hat.com>, Radim Krčmář <rkrcmar@...hat.com>, Borislav Petkov <bp@...e.de>, Herbert Xu <herbert@...dor.apana.org.au>, Gary Hook <gary.hook@....com>, Tom Lendacky <thomas.lendacky@....com>, linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [Part2 PATCH v6 16/38] crypto: ccp: Implement SEV_PEK_GEN ioctl command 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 <pbonzini@...hat.com> Cc: "Radim Krčmář" <rkrcmar@...hat.com> Cc: Borislav Petkov <bp@...e.de> Cc: Herbert Xu <herbert@...dor.apana.org.au> Cc: Gary Hook <gary.hook@....com> Cc: Tom Lendacky <thomas.lendacky@....com> Cc: linux-crypto@...r.kernel.org Cc: kvm@...r.kernel.org Cc: linux-kernel@...r.kernel.org Signed-off-by: Brijesh Singh <brijesh.singh@....com> --- 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
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