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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-03-25 03:53:42 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-03-25 03:53:42 -0300
commit03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch)
treefa581f6dc1c0596391690d1f67eceef3af8246dc /drivers/crypto/ccp
parentd4e493caf788ef44982e131ff9c786546904d934 (diff)
Linux-libre 4.5-gnu
Diffstat (limited to 'drivers/crypto/ccp')
-rw-r--r--drivers/crypto/ccp/Kconfig2
-rw-r--r--drivers/crypto/ccp/ccp-ops.c39
-rw-r--r--drivers/crypto/ccp/ccp-pci.c8
-rw-r--r--drivers/crypto/ccp/ccp-platform.c6
4 files changed, 16 insertions, 39 deletions
diff --git a/drivers/crypto/ccp/Kconfig b/drivers/crypto/ccp/Kconfig
index 3cd848106..6e37845ab 100644
--- a/drivers/crypto/ccp/Kconfig
+++ b/drivers/crypto/ccp/Kconfig
@@ -3,6 +3,8 @@ config CRYPTO_DEV_CCP_DD
depends on CRYPTO_DEV_CCP
default m
select HW_RANDOM
+ select CRYPTO_SHA1
+ select CRYPTO_SHA256
help
Provides the interface to use the AMD Cryptographic Coprocessor
which can be used to offload encryption operations such as SHA,
diff --git a/drivers/crypto/ccp/ccp-ops.c b/drivers/crypto/ccp/ccp-ops.c
index c6e883b29..6613aee79 100644
--- a/drivers/crypto/ccp/ccp-ops.c
+++ b/drivers/crypto/ccp/ccp-ops.c
@@ -152,32 +152,6 @@ static const __be32 ccp_sha256_init[CCP_SHA_CTXSIZE / sizeof(__be32)] = {
cpu_to_be32(SHA256_H6), cpu_to_be32(SHA256_H7),
};
-/* The CCP cannot perform zero-length sha operations so the caller
- * is required to buffer data for the final operation. However, a
- * sha operation for a message with a total length of zero is valid
- * so known values are required to supply the result.
- */
-static const u8 ccp_sha1_zero[CCP_SHA_CTXSIZE] = {
- 0xda, 0x39, 0xa3, 0xee, 0x5e, 0x6b, 0x4b, 0x0d,
- 0x32, 0x55, 0xbf, 0xef, 0x95, 0x60, 0x18, 0x90,
- 0xaf, 0xd8, 0x07, 0x09, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-};
-
-static const u8 ccp_sha224_zero[CCP_SHA_CTXSIZE] = {
- 0xd1, 0x4a, 0x02, 0x8c, 0x2a, 0x3a, 0x2b, 0xc9,
- 0x47, 0x61, 0x02, 0xbb, 0x28, 0x82, 0x34, 0xc4,
- 0x15, 0xa2, 0xb0, 0x1f, 0x82, 0x8e, 0xa6, 0x2a,
- 0xc5, 0xb3, 0xe4, 0x2f, 0x00, 0x00, 0x00, 0x00,
-};
-
-static const u8 ccp_sha256_zero[CCP_SHA_CTXSIZE] = {
- 0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14,
- 0x9a, 0xfb, 0xf4, 0xc8, 0x99, 0x6f, 0xb9, 0x24,
- 0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c,
- 0xa4, 0x95, 0x99, 0x1b, 0x78, 0x52, 0xb8, 0x55,
-};
-
static u32 ccp_addr_lo(struct ccp_dma_info *info)
{
return lower_32_bits(info->address + info->offset);
@@ -1391,18 +1365,21 @@ static int ccp_run_sha_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd)
if (sha->msg_bits)
return -EINVAL;
- /* A sha operation for a message with a total length of zero,
- * return known result.
+ /* The CCP cannot perform zero-length sha operations so the
+ * caller is required to buffer data for the final operation.
+ * However, a sha operation for a message with a total length
+ * of zero is valid so known values are required to supply
+ * the result.
*/
switch (sha->type) {
case CCP_SHA_TYPE_1:
- sha_zero = ccp_sha1_zero;
+ sha_zero = sha1_zero_message_hash;
break;
case CCP_SHA_TYPE_224:
- sha_zero = ccp_sha224_zero;
+ sha_zero = sha224_zero_message_hash;
break;
case CCP_SHA_TYPE_256:
- sha_zero = ccp_sha256_zero;
+ sha_zero = sha256_zero_message_hash;
break;
default:
return -EINVAL;
diff --git a/drivers/crypto/ccp/ccp-pci.c b/drivers/crypto/ccp/ccp-pci.c
index 6ade02f04..7690467c4 100644
--- a/drivers/crypto/ccp/ccp-pci.c
+++ b/drivers/crypto/ccp/ccp-pci.c
@@ -44,7 +44,7 @@ static int ccp_get_msix_irqs(struct ccp_device *ccp)
{
struct ccp_pci *ccp_pci = ccp->dev_specific;
struct device *dev = ccp->dev;
- struct pci_dev *pdev = container_of(dev, struct pci_dev, dev);
+ struct pci_dev *pdev = to_pci_dev(dev);
struct msix_entry msix_entry[MSIX_VECTORS];
unsigned int name_len = sizeof(ccp_pci->msix[0].name) - 1;
int v, ret;
@@ -86,7 +86,7 @@ e_irq:
static int ccp_get_msi_irq(struct ccp_device *ccp)
{
struct device *dev = ccp->dev;
- struct pci_dev *pdev = container_of(dev, struct pci_dev, dev);
+ struct pci_dev *pdev = to_pci_dev(dev);
int ret;
ret = pci_enable_msi(pdev);
@@ -133,7 +133,7 @@ static void ccp_free_irqs(struct ccp_device *ccp)
{
struct ccp_pci *ccp_pci = ccp->dev_specific;
struct device *dev = ccp->dev;
- struct pci_dev *pdev = container_of(dev, struct pci_dev, dev);
+ struct pci_dev *pdev = to_pci_dev(dev);
if (ccp_pci->msix_count) {
while (ccp_pci->msix_count--)
@@ -149,7 +149,7 @@ static void ccp_free_irqs(struct ccp_device *ccp)
static int ccp_find_mmio_area(struct ccp_device *ccp)
{
struct device *dev = ccp->dev;
- struct pci_dev *pdev = container_of(dev, struct pci_dev, dev);
+ struct pci_dev *pdev = to_pci_dev(dev);
resource_size_t io_len;
unsigned long io_flags;
diff --git a/drivers/crypto/ccp/ccp-platform.c b/drivers/crypto/ccp/ccp-platform.c
index 01b50cb4c..66dd7c9d0 100644
--- a/drivers/crypto/ccp/ccp-platform.c
+++ b/drivers/crypto/ccp/ccp-platform.c
@@ -35,8 +35,7 @@ struct ccp_platform {
static int ccp_get_irq(struct ccp_device *ccp)
{
struct device *dev = ccp->dev;
- struct platform_device *pdev = container_of(dev,
- struct platform_device, dev);
+ struct platform_device *pdev = to_platform_device(dev);
int ret;
ret = platform_get_irq(pdev, 0);
@@ -78,8 +77,7 @@ static void ccp_free_irqs(struct ccp_device *ccp)
static struct resource *ccp_find_mmio_area(struct ccp_device *ccp)
{
struct device *dev = ccp->dev;
- struct platform_device *pdev = container_of(dev,
- struct platform_device, dev);
+ struct platform_device *pdev = to_platform_device(dev);
struct resource *ior;
ior = platform_get_resource(pdev, IORESOURCE_MEM, 0);