aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/crypto/ccp
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/crypto/ccp')
-rw-r--r--drivers/crypto/ccp/ccp-crypto-aes-cmac.c2
-rw-r--r--drivers/crypto/ccp/ccp-crypto-des3.c2
-rw-r--r--drivers/crypto/ccp/ccp-crypto-sha.c2
-rw-r--r--drivers/crypto/ccp/ccp-debugfs.c36
-rw-r--r--drivers/crypto/ccp/ccp-dev-v5.c6
-rw-r--r--drivers/crypto/ccp/ccp-ops.c2
-rw-r--r--drivers/crypto/ccp/psp-dev.c37
-rw-r--r--drivers/crypto/ccp/psp-dev.h2
-rw-r--r--drivers/crypto/ccp/sp-dev.c2
-rw-r--r--drivers/crypto/ccp/sp-dev.h2
-rw-r--r--drivers/crypto/ccp/sp-pci.c6
-rw-r--r--drivers/crypto/ccp/sp-platform.c2
12 files changed, 50 insertions, 51 deletions
diff --git a/drivers/crypto/ccp/ccp-crypto-aes-cmac.c b/drivers/crypto/ccp/ccp-crypto-aes-cmac.c
index 9108015e56cc..f6e252c1d6fb 100644
--- a/drivers/crypto/ccp/ccp-crypto-aes-cmac.c
+++ b/drivers/crypto/ccp/ccp-crypto-aes-cmac.c
@@ -1,7 +1,7 @@
/*
* AMD Cryptographic Coprocessor (CCP) AES CMAC crypto API support
*
- * Copyright (C) 2013 Advanced Micro Devices, Inc.
+ * Copyright (C) 2013,2018 Advanced Micro Devices, Inc.
*
* Author: Tom Lendacky <thomas.lendacky@amd.com>
*
diff --git a/drivers/crypto/ccp/ccp-crypto-des3.c b/drivers/crypto/ccp/ccp-crypto-des3.c
index ae87b741f9d5..c2ff551d215b 100644
--- a/drivers/crypto/ccp/ccp-crypto-des3.c
+++ b/drivers/crypto/ccp/ccp-crypto-des3.c
@@ -57,7 +57,7 @@ static int ccp_des3_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
if (unlikely(!((K[0] ^ K[2]) | (K[1] ^ K[3])) ||
!((K[2] ^ K[4]) | (K[3] ^ K[5]))) &&
- (*flags & CRYPTO_TFM_REQ_WEAK_KEY)) {
+ (*flags & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) {
*flags |= CRYPTO_TFM_RES_WEAK_KEY;
return -EINVAL;
}
diff --git a/drivers/crypto/ccp/ccp-crypto-sha.c b/drivers/crypto/ccp/ccp-crypto-sha.c
index 2ca64bb57d2e..10a61cd54fce 100644
--- a/drivers/crypto/ccp/ccp-crypto-sha.c
+++ b/drivers/crypto/ccp/ccp-crypto-sha.c
@@ -1,7 +1,7 @@
/*
* AMD Cryptographic Coprocessor (CCP) SHA crypto API support
*
- * Copyright (C) 2013,2017 Advanced Micro Devices, Inc.
+ * Copyright (C) 2013,2018 Advanced Micro Devices, Inc.
*
* Author: Tom Lendacky <thomas.lendacky@amd.com>
* Author: Gary R Hook <gary.hook@amd.com>
diff --git a/drivers/crypto/ccp/ccp-debugfs.c b/drivers/crypto/ccp/ccp-debugfs.c
index 1a734bd2070a..4bd26af7098d 100644
--- a/drivers/crypto/ccp/ccp-debugfs.c
+++ b/drivers/crypto/ccp/ccp-debugfs.c
@@ -286,10 +286,7 @@ void ccp5_debugfs_setup(struct ccp_device *ccp)
{
struct ccp_cmd_queue *cmd_q;
char name[MAX_NAME_LEN + 1];
- struct dentry *debugfs_info;
- struct dentry *debugfs_stats;
struct dentry *debugfs_q_instance;
- struct dentry *debugfs_q_stats;
int i;
if (!debugfs_initialized())
@@ -299,24 +296,14 @@ void ccp5_debugfs_setup(struct ccp_device *ccp)
if (!ccp_debugfs_dir)
ccp_debugfs_dir = debugfs_create_dir(KBUILD_MODNAME, NULL);
mutex_unlock(&ccp_debugfs_lock);
- if (!ccp_debugfs_dir)
- return;
ccp->debugfs_instance = debugfs_create_dir(ccp->name, ccp_debugfs_dir);
- if (!ccp->debugfs_instance)
- goto err;
- debugfs_info = debugfs_create_file("info", 0400,
- ccp->debugfs_instance, ccp,
- &ccp_debugfs_info_ops);
- if (!debugfs_info)
- goto err;
+ debugfs_create_file("info", 0400, ccp->debugfs_instance, ccp,
+ &ccp_debugfs_info_ops);
- debugfs_stats = debugfs_create_file("stats", 0600,
- ccp->debugfs_instance, ccp,
- &ccp_debugfs_stats_ops);
- if (!debugfs_stats)
- goto err;
+ debugfs_create_file("stats", 0600, ccp->debugfs_instance, ccp,
+ &ccp_debugfs_stats_ops);
for (i = 0; i < ccp->cmd_q_count; i++) {
cmd_q = &ccp->cmd_q[i];
@@ -325,21 +312,12 @@ void ccp5_debugfs_setup(struct ccp_device *ccp)
debugfs_q_instance =
debugfs_create_dir(name, ccp->debugfs_instance);
- if (!debugfs_q_instance)
- goto err;
-
- debugfs_q_stats =
- debugfs_create_file("stats", 0600,
- debugfs_q_instance, cmd_q,
- &ccp_debugfs_queue_ops);
- if (!debugfs_q_stats)
- goto err;
+
+ debugfs_create_file("stats", 0600, debugfs_q_instance, cmd_q,
+ &ccp_debugfs_queue_ops);
}
return;
-
-err:
- debugfs_remove_recursive(ccp->debugfs_instance);
}
void ccp5_debugfs_destroy(void)
diff --git a/drivers/crypto/ccp/ccp-dev-v5.c b/drivers/crypto/ccp/ccp-dev-v5.c
index 44a4d2779b15..c9bfd4f439ce 100644
--- a/drivers/crypto/ccp/ccp-dev-v5.c
+++ b/drivers/crypto/ccp/ccp-dev-v5.c
@@ -822,9 +822,9 @@ static int ccp5_init(struct ccp_device *ccp)
/* Page alignment satisfies our needs for N <= 128 */
BUILD_BUG_ON(COMMANDS_PER_QUEUE > 128);
cmd_q->qsize = Q_SIZE(Q_DESC_SIZE);
- cmd_q->qbase = dma_zalloc_coherent(dev, cmd_q->qsize,
- &cmd_q->qbase_dma,
- GFP_KERNEL);
+ cmd_q->qbase = dma_alloc_coherent(dev, cmd_q->qsize,
+ &cmd_q->qbase_dma,
+ GFP_KERNEL);
if (!cmd_q->qbase) {
dev_err(dev, "unable to allocate command queue\n");
ret = -ENOMEM;
diff --git a/drivers/crypto/ccp/ccp-ops.c b/drivers/crypto/ccp/ccp-ops.c
index 0ea43cdeb05f..267a367bd076 100644
--- a/drivers/crypto/ccp/ccp-ops.c
+++ b/drivers/crypto/ccp/ccp-ops.c
@@ -1,7 +1,7 @@
/*
* AMD Cryptographic Coprocessor (CCP) driver
*
- * Copyright (C) 2013,2017 Advanced Micro Devices, Inc.
+ * Copyright (C) 2013,2018 Advanced Micro Devices, Inc.
*
* Author: Tom Lendacky <thomas.lendacky@amd.com>
* Author: Gary R Hook <gary.hook@amd.com>
diff --git a/drivers/crypto/ccp/psp-dev.c b/drivers/crypto/ccp/psp-dev.c
index b16be8a11d92..fadf859a14b8 100644
--- a/drivers/crypto/ccp/psp-dev.c
+++ b/drivers/crypto/ccp/psp-dev.c
@@ -1,7 +1,7 @@
/*
* AMD Platform Security Processor (PSP) interface
*
- * Copyright (C) 2016-2017 Advanced Micro Devices, Inc.
+ * Copyright (C) 2016,2018 Advanced Micro Devices, Inc.
*
* Author: Brijesh Singh <brijesh.singh@amd.com>
*
@@ -437,6 +437,7 @@ static int sev_get_api_version(void)
psp_master->api_major = status->api_major;
psp_master->api_minor = status->api_minor;
psp_master->build = status->build;
+ psp_master->sev_state = status->state;
return 0;
}
@@ -857,15 +858,15 @@ static int sev_misc_init(struct psp_device *psp)
return 0;
}
-static int sev_init(struct psp_device *psp)
+static int psp_check_sev_support(struct psp_device *psp)
{
/* Check if device supports SEV feature */
if (!(ioread32(psp->io_regs + psp->vdata->feature_reg) & 1)) {
- dev_dbg(psp->dev, "device does not support SEV\n");
- return 1;
+ dev_dbg(psp->dev, "psp does not support SEV\n");
+ return -ENODEV;
}
- return sev_misc_init(psp);
+ return 0;
}
int psp_dev_init(struct sp_device *sp)
@@ -890,6 +891,10 @@ int psp_dev_init(struct sp_device *sp)
psp->io_regs = sp->io_map;
+ ret = psp_check_sev_support(psp);
+ if (ret)
+ goto e_disable;
+
/* Disable and clear interrupts until ready */
iowrite32(0, psp->io_regs + psp->vdata->inten_reg);
iowrite32(-1, psp->io_regs + psp->vdata->intsts_reg);
@@ -901,7 +906,7 @@ int psp_dev_init(struct sp_device *sp)
goto e_err;
}
- ret = sev_init(psp);
+ ret = sev_misc_init(psp);
if (ret)
goto e_irq;
@@ -923,6 +928,11 @@ e_err:
dev_notice(dev, "psp initialization failed\n");
return ret;
+
+e_disable:
+ sp->psp_data = NULL;
+
+ return ret;
}
void psp_dev_destroy(struct sp_device *sp)
@@ -964,6 +974,21 @@ void psp_pci_init(void)
if (sev_get_api_version())
goto err;
+ /*
+ * If platform is not in UNINIT state then firmware upgrade and/or
+ * platform INIT command will fail. These command require UNINIT state.
+ *
+ * In a normal boot we should never run into case where the firmware
+ * is not in UNINIT state on boot. But in case of kexec boot, a reboot
+ * may not go through a typical shutdown sequence and may leave the
+ * firmware in INIT or WORKING state.
+ */
+
+ if (psp_master->sev_state != SEV_STATE_UNINIT) {
+ sev_platform_shutdown(NULL);
+ psp_master->sev_state = SEV_STATE_UNINIT;
+ }
+
if (SEV_VERSION_GREATER_OR_EQUAL(0, 15) &&
sev_update_firmware(psp_master->dev) == 0)
sev_get_api_version();
diff --git a/drivers/crypto/ccp/psp-dev.h b/drivers/crypto/ccp/psp-dev.h
index 8b53a9674ecb..f5afeccf42a1 100644
--- a/drivers/crypto/ccp/psp-dev.h
+++ b/drivers/crypto/ccp/psp-dev.h
@@ -1,7 +1,7 @@
/*
* AMD Platform Security Processor (PSP) interface driver
*
- * Copyright (C) 2017 Advanced Micro Devices, Inc.
+ * Copyright (C) 2017-2018 Advanced Micro Devices, Inc.
*
* Author: Brijesh Singh <brijesh.singh@amd.com>
*
diff --git a/drivers/crypto/ccp/sp-dev.c b/drivers/crypto/ccp/sp-dev.c
index e0459002eb71..b2879767fc98 100644
--- a/drivers/crypto/ccp/sp-dev.c
+++ b/drivers/crypto/ccp/sp-dev.c
@@ -1,7 +1,7 @@
/*
* AMD Secure Processor driver
*
- * Copyright (C) 2017 Advanced Micro Devices, Inc.
+ * Copyright (C) 2017-2018 Advanced Micro Devices, Inc.
*
* Author: Tom Lendacky <thomas.lendacky@amd.com>
* Author: Gary R Hook <gary.hook@amd.com>
diff --git a/drivers/crypto/ccp/sp-dev.h b/drivers/crypto/ccp/sp-dev.h
index 14398cad1625..5b0790025db3 100644
--- a/drivers/crypto/ccp/sp-dev.h
+++ b/drivers/crypto/ccp/sp-dev.h
@@ -1,7 +1,7 @@
/*
* AMD Secure Processor driver
*
- * Copyright (C) 2017 Advanced Micro Devices, Inc.
+ * Copyright (C) 2017-2018 Advanced Micro Devices, Inc.
*
* Author: Tom Lendacky <thomas.lendacky@amd.com>
* Author: Gary R Hook <gary.hook@amd.com>
diff --git a/drivers/crypto/ccp/sp-pci.c b/drivers/crypto/ccp/sp-pci.c
index 7da93e9bebed..41bce0a3f4bb 100644
--- a/drivers/crypto/ccp/sp-pci.c
+++ b/drivers/crypto/ccp/sp-pci.c
@@ -1,7 +1,7 @@
/*
* AMD Secure Processor device driver
*
- * Copyright (C) 2013,2016 Advanced Micro Devices, Inc.
+ * Copyright (C) 2013,2018 Advanced Micro Devices, Inc.
*
* Author: Tom Lendacky <thomas.lendacky@amd.com>
* Author: Gary R Hook <gary.hook@amd.com>
@@ -226,8 +226,6 @@ static int sp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
if (ret)
goto e_err;
- dev_notice(dev, "enabled\n");
-
return 0;
e_err:
@@ -246,8 +244,6 @@ static void sp_pci_remove(struct pci_dev *pdev)
sp_destroy(sp);
sp_free_irqs(sp);
-
- dev_notice(dev, "disabled\n");
}
#ifdef CONFIG_PM
diff --git a/drivers/crypto/ccp/sp-platform.c b/drivers/crypto/ccp/sp-platform.c
index b75dc7db2d4a..d24228efbaaa 100644
--- a/drivers/crypto/ccp/sp-platform.c
+++ b/drivers/crypto/ccp/sp-platform.c
@@ -1,7 +1,7 @@
/*
* AMD Secure Processor device driver
*
- * Copyright (C) 2014,2016 Advanced Micro Devices, Inc.
+ * Copyright (C) 2014,2018 Advanced Micro Devices, Inc.
*
* Author: Tom Lendacky <thomas.lendacky@amd.com>
*
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.