diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
commit | 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch) | |
tree | fa581f6dc1c0596391690d1f67eceef3af8246dc /drivers/crypto/ccp | |
parent | d4e493caf788ef44982e131ff9c786546904d934 (diff) |
Linux-libre 4.5-gnu
Diffstat (limited to 'drivers/crypto/ccp')
-rw-r--r-- | drivers/crypto/ccp/Kconfig | 2 | ||||
-rw-r--r-- | drivers/crypto/ccp/ccp-ops.c | 39 | ||||
-rw-r--r-- | drivers/crypto/ccp/ccp-pci.c | 8 | ||||
-rw-r--r-- | drivers/crypto/ccp/ccp-platform.c | 6 |
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); |