mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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ae0222b728
These routines add the base device driver code supporting the Power7+ in-Nest encryption accelerator (nx) device. Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
206 lines
4.1 KiB
C
206 lines
4.1 KiB
C
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#ifndef __NX_CSBCPB_H__
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#define __NX_CSBCPB_H__
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struct cop_symcpb_aes_ecb {
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u8 key[32];
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u8 __rsvd[80];
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} __packed;
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struct cop_symcpb_aes_cbc {
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u8 iv[16];
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u8 key[32];
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u8 cv[16];
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u32 spbc;
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u8 __rsvd[44];
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} __packed;
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struct cop_symcpb_aes_gca {
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u8 in_pat[16];
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u8 key[32];
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u8 out_pat[16];
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u32 spbc;
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u8 __rsvd[44];
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} __packed;
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struct cop_symcpb_aes_gcm {
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u8 in_pat_or_aad[16];
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u8 iv_or_cnt[16];
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u64 bit_length_aad;
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u64 bit_length_data;
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u8 in_s0[16];
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u8 key[32];
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u8 __rsvd1[16];
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u8 out_pat_or_mac[16];
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u8 out_s0[16];
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u8 out_cnt[16];
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u32 spbc;
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u8 __rsvd2[12];
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} __packed;
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struct cop_symcpb_aes_ctr {
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u8 iv[16];
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u8 key[32];
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u8 cv[16];
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u32 spbc;
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u8 __rsvd2[44];
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} __packed;
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struct cop_symcpb_aes_cca {
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u8 b0[16];
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u8 b1[16];
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u8 key[16];
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u8 out_pat_or_b0[16];
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u32 spbc;
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u8 __rsvd[44];
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} __packed;
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struct cop_symcpb_aes_ccm {
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u8 in_pat_or_b0[16];
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u8 iv_or_ctr[16];
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u8 in_s0[16];
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u8 key[16];
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u8 __rsvd1[48];
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u8 out_pat_or_mac[16];
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u8 out_s0[16];
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u8 out_ctr[16];
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u32 spbc;
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u8 __rsvd2[12];
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} __packed;
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struct cop_symcpb_aes_xcbc {
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u8 cv[16];
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u8 key[16];
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u8 __rsvd1[16];
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u8 out_cv_mac[16];
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u32 spbc;
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u8 __rsvd2[44];
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} __packed;
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struct cop_symcpb_sha256 {
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u64 message_bit_length;
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u64 __rsvd1;
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u8 input_partial_digest[32];
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u8 message_digest[32];
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u32 spbc;
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u8 __rsvd2[44];
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} __packed;
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struct cop_symcpb_sha512 {
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u64 message_bit_length_hi;
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u64 message_bit_length_lo;
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u8 input_partial_digest[64];
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u8 __rsvd1[32];
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u8 message_digest[64];
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u32 spbc;
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u8 __rsvd2[76];
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} __packed;
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#define NX_FDM_INTERMEDIATE 0x01
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#define NX_FDM_CONTINUATION 0x02
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#define NX_FDM_ENDE_ENCRYPT 0x80
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#define NX_CPB_FDM(c) ((c)->cpb.hdr.fdm)
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#define NX_CPB_KS_DS(c) ((c)->cpb.hdr.ks_ds)
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#define NX_CPB_KEY_SIZE(c) (NX_CPB_KS_DS(c) >> 4)
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#define NX_CPB_SET_KEY_SIZE(c, x) NX_CPB_KS_DS(c) |= ((x) << 4)
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#define NX_CPB_SET_DIGEST_SIZE(c, x) NX_CPB_KS_DS(c) |= (x)
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struct cop_symcpb_header {
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u8 mode;
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u8 fdm;
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u8 ks_ds;
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u8 pad_byte;
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u8 __rsvd[12];
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} __packed;
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struct cop_parameter_block {
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struct cop_symcpb_header hdr;
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union {
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struct cop_symcpb_aes_ecb aes_ecb;
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struct cop_symcpb_aes_cbc aes_cbc;
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struct cop_symcpb_aes_gca aes_gca;
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struct cop_symcpb_aes_gcm aes_gcm;
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struct cop_symcpb_aes_cca aes_cca;
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struct cop_symcpb_aes_ccm aes_ccm;
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struct cop_symcpb_aes_ctr aes_ctr;
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struct cop_symcpb_aes_xcbc aes_xcbc;
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struct cop_symcpb_sha256 sha256;
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struct cop_symcpb_sha512 sha512;
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};
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} __packed;
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#define NX_CSB_VALID_BIT 0x80
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/* co-processor status block */
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struct cop_status_block {
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u8 valid;
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u8 crb_seq_number;
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u8 completion_code;
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u8 completion_extension;
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u32 processed_byte_count;
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u64 address;
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} __packed;
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/* Nest accelerator workbook section 4.4 */
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struct nx_csbcpb {
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unsigned char __rsvd[112];
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struct cop_status_block csb;
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struct cop_parameter_block cpb;
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} __packed;
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/* nx_csbcpb related definitions */
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#define NX_MODE_AES_ECB 0
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#define NX_MODE_AES_CBC 1
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#define NX_MODE_AES_GMAC 2
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#define NX_MODE_AES_GCA 3
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#define NX_MODE_AES_GCM 4
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#define NX_MODE_AES_CCA 5
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#define NX_MODE_AES_CCM 6
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#define NX_MODE_AES_CTR 7
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#define NX_MODE_AES_XCBC_MAC 20
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#define NX_MODE_SHA 0
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#define NX_MODE_SHA_HMAC 1
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#define NX_MODE_AES_CBC_HMAC_ETA 8
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#define NX_MODE_AES_CBC_HMAC_ATE 9
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#define NX_MODE_AES_CBC_HMAC_EAA 10
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#define NX_MODE_AES_CTR_HMAC_ETA 12
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#define NX_MODE_AES_CTR_HMAC_ATE 13
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#define NX_MODE_AES_CTR_HMAC_EAA 14
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#define NX_FDM_CI_FULL 0
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#define NX_FDM_CI_FIRST 1
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#define NX_FDM_CI_LAST 2
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#define NX_FDM_CI_MIDDLE 3
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#define NX_FDM_PR_NONE 0
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#define NX_FDM_PR_PAD 1
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#define NX_KS_AES_128 1
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#define NX_KS_AES_192 2
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#define NX_KS_AES_256 3
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#define NX_DS_SHA256 2
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#define NX_DS_SHA512 3
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#define NX_FC_AES 0
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#define NX_FC_SHA 2
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#define NX_FC_AES_HMAC 6
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#define NX_MAX_FC (NX_FC_AES_HMAC + 1)
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#define NX_MAX_MODE (NX_MODE_AES_XCBC_MAC + 1)
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#define HCOP_FC_AES NX_FC_AES
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#define HCOP_FC_SHA NX_FC_SHA
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#define HCOP_FC_AES_HMAC NX_FC_AES_HMAC
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/* indices into the array of algorithm properties */
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#define NX_PROPS_AES_128 0
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#define NX_PROPS_AES_192 1
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#define NX_PROPS_AES_256 2
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#define NX_PROPS_SHA256 1
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#define NX_PROPS_SHA512 2
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#endif
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