diff options
Diffstat (limited to 'src/spdk/intel-ipsec-mb/sse/mb_mgr_hmac_flush_ni_sse.asm')
| -rw-r--r-- | src/spdk/intel-ipsec-mb/sse/mb_mgr_hmac_flush_ni_sse.asm | 305 |
1 files changed, 305 insertions, 0 deletions
diff --git a/src/spdk/intel-ipsec-mb/sse/mb_mgr_hmac_flush_ni_sse.asm b/src/spdk/intel-ipsec-mb/sse/mb_mgr_hmac_flush_ni_sse.asm new file mode 100644 index 000000000..ac1bb8691 --- /dev/null +++ b/src/spdk/intel-ipsec-mb/sse/mb_mgr_hmac_flush_ni_sse.asm @@ -0,0 +1,305 @@ +;; +;; Copyright (c) 2012-2018, Intel Corporation +;; +;; Redistribution and use in source and binary forms, with or without +;; modification, are permitted provided that the following conditions are met: +;; +;; * Redistributions of source code must retain the above copyright notice, +;; this list of conditions and the following disclaimer. +;; * Redistributions in binary form must reproduce the above copyright +;; notice, this list of conditions and the following disclaimer in the +;; documentation and/or other materials provided with the distribution. +;; * Neither the name of Intel Corporation nor the names of its contributors +;; may be used to endorse or promote products derived from this software +;; without specific prior written permission. +;; +;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +;; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +;; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +;; DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE +;; FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +;; SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +;; CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +;; OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +;; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +;; + +;; In System V AMD64 ABI +;; calle saves: RBX, RBP, R12-R15 +;; Windows x64 ABI +;; calle saves: RBX, RBP, RDI, RSI, RSP, R12-R15 +;; +;; Registers: RAX RBX RCX RDX RBP RSI RDI R8 R9 R10 R11 R12 R13 R14 R15 +;; ----------------------------------------------------------- +;; Windows clobbers: RAX RCX RDX R8 +;; Windows preserves: RBX RBP RSI RDI R9 R10 R11 R12 R13 R14 R15 +;; ----------------------------------------------------------- +;; Linux clobbers: RAX RSI RDI R8 +;; Linux preserves: RBX RCX RDX RBP R9 R10 R11 R12 R13 R14 R15 +;; ----------------------------------------------------------- +;; +;; Linux/Windows clobbers: xmm0 - xmm15 +;; + +%include "include/os.asm" +%include "job_aes_hmac.asm" +%include "mb_mgr_datastruct.asm" +%include "include/reg_sizes.asm" + +;%define DO_DBGPRINT +%include "include/dbgprint.asm" + +extern sha1_ni + +section .data +default rel + +align 16 +byteswap: ;ddq 0x0c0d0e0f08090a0b0405060700010203 + dq 0x0405060700010203, 0x0c0d0e0f08090a0b +one: + dq 1 + +section .text + +%ifdef LINUX +%define arg1 rdi +%define arg2 rsi +%else +%define arg1 rcx +%define arg2 rdx +%endif + +%define state arg1 +%define job arg2 +%define len2 arg2 + + +; idx needs to be in rbx, rbp, r12-r15 +%define idx rbp + +%define unused_lanes rbx +%define lane_data rbx +%define tmp2 rbx + +%define job_rax rax +%define tmp1 rax +%define size_offset rax +%define tmp rax +%define start_offset rax + +%define tmp3 arg1 + +%define extra_blocks arg2 +%define p arg2 + +%define tmp4 r8 +%define p2 r8 + +; This routine clobbers rbx, rbp +struc STACK +_gpr_save: resq 4 +_rsp_save: resq 1 +endstruc + +%define APPEND(a,b) a %+ b + +; JOB* flush_job_hmac_ni_sse(MB_MGR_HMAC_SHA_1_OOO *state) +; arg 1 : state +MKGLOBAL(flush_job_hmac_ni_sse,function,internal) +flush_job_hmac_ni_sse: + + mov rax, rsp + sub rsp, STACK_size + and rsp, -16 + + mov [rsp + _gpr_save + 8*0], rbx + mov [rsp + _gpr_save + 8*1], rbp +%ifndef LINUX + mov [rsp + _gpr_save + 8*2], rsi + mov [rsp + _gpr_save + 8*3], rdi +%endif + mov [rsp + _rsp_save], rax ; original SP + + DBGPRINTL "enter sha1-ni-sse flush" + mov unused_lanes, [state + _unused_lanes] + bt unused_lanes, 16+7 + jc return_null + + ; find a lane with a non-null job, assume it is 0 then check 1 + xor idx, idx + cmp qword [state + _ldata + 1 * _HMAC_SHA1_LANE_DATA_size + _job_in_lane], 0 + cmovne idx, [rel one] + DBGPRINTL64 "idx:", idx + +copy_lane_data: + ; copy valid lane (idx) to empty lanes + mov tmp, [state + _args_data_ptr + PTR_SZ*idx] + movzx len2, word [state + _lens + idx*2] + + DBGPRINTL64 "ptr", tmp + + ; there are only two lanes so if one is empty it is easy to determine which one + xor idx, 1 + mov [state + _args_data_ptr + PTR_SZ*idx], tmp + xor idx, 1 + + ; No need to find min length - only two lanes available + cmp len2, 0 + je len_is_0 + + ; Set length on both lanes to 0 + mov dword [state + _lens], 0 + + ; "state" and "args" are the same address, arg1 + ; len is arg2 + call sha1_ni + ; state is intact + +len_is_0: + ; process completed job "idx" + imul lane_data, idx, _HMAC_SHA1_LANE_DATA_size + lea lane_data, [state + _ldata + lane_data] + mov DWORD(extra_blocks), [lane_data + _extra_blocks] + cmp extra_blocks, 0 + jne proc_extra_blocks + cmp dword [lane_data + _outer_done], 0 + jne end_loop + +proc_outer: + mov dword [lane_data + _outer_done], 1 + mov DWORD(size_offset), [lane_data + _size_offset] + mov qword [lane_data + _extra_block + size_offset], 0 + mov word [state + _lens + 2*idx], 1 + DBGPRINTL64 "outer-block-index", idx + lea tmp, [lane_data + _outer_block] + DBGPRINTL64 "outer block ptr:", tmp + mov [state + _args_data_ptr + PTR_SZ*idx], tmp + + ;; idx determines which column + ;; read off from consecutive rows +%if SHA1NI_DIGEST_ROW_SIZE != 20 +%error "Below code has been optimized for SHA1NI_DIGEST_ROW_SIZE = 20!" +%endif + lea p2, [idx + idx*4] + movdqu xmm0, [state + _args_digest + p2*4] + pshufb xmm0, [rel byteswap] + mov DWORD(tmp), [state + _args_digest + p2*4 + 4*SHA1_DIGEST_WORD_SIZE] + bswap DWORD(tmp) + movdqa [lane_data + _outer_block], xmm0 + mov [lane_data + _outer_block + 4*SHA1_DIGEST_WORD_SIZE], DWORD(tmp) + DBGPRINTL_XMM "sha1 outer hash input words[0-3]", xmm0 + DBGPRINTL64 "sha1 outer hash input word 4", tmp + mov job, [lane_data + _job_in_lane] + mov tmp, [job + _auth_key_xor_opad] + movdqu xmm0, [tmp] + mov DWORD(tmp), [tmp + 4*SHA1_DIGEST_WORD_SIZE] + movdqu [state + _args_digest + p2*4], xmm0 + mov [state + _args_digest + p2*4 + 4*SHA1_DIGEST_WORD_SIZE], DWORD(tmp) + + jmp copy_lane_data + + align 16 +proc_extra_blocks: + mov DWORD(start_offset), [lane_data + _start_offset] + DBGPRINTL64 "extra blocks-start offset", start_offset + mov [state + _lens + 2*idx], WORD(extra_blocks) + DBGPRINTL64 "extra blocks-len", extra_blocks + lea tmp, [lane_data + _extra_block + start_offset] + DBGPRINTL64 "extra block ptr", tmp + mov [state + _args_data_ptr + PTR_SZ*idx], tmp + mov dword [lane_data + _extra_blocks], 0 + jmp copy_lane_data + +return_null: + xor job_rax, job_rax + jmp return + + align 16 +end_loop: + mov job_rax, [lane_data + _job_in_lane] + mov qword [lane_data + _job_in_lane], 0 + or dword [job_rax + _status], STS_COMPLETED_HMAC + mov unused_lanes, [state + _unused_lanes] + shl unused_lanes, 8 + or unused_lanes, idx + mov [state + _unused_lanes], unused_lanes + + mov p, [job_rax + _auth_tag_output] + + ; copy 12 bytes +%if SHA1NI_DIGEST_ROW_SIZE != 20 +%error "Below code has been optimized for SHA1NI_DIGEST_ROW_SIZE = 20!" +%endif + lea idx, [idx + idx*4] + mov DWORD(tmp2), [state + _args_digest + idx*4 + 0*SHA1_DIGEST_WORD_SIZE] + mov DWORD(tmp4), [state + _args_digest + idx*4 + 1*SHA1_DIGEST_WORD_SIZE] + bswap DWORD(tmp2) + bswap DWORD(tmp4) + mov [p + 0*4], DWORD(tmp2) + mov [p + 1*4], DWORD(tmp4) + mov DWORD(tmp2), [state + _args_digest + idx*4 + 2*SHA1_DIGEST_WORD_SIZE] + bswap DWORD(tmp2) + mov [p + 2*4], DWORD(tmp2) + + cmp qword [job_rax + _auth_tag_output_len_in_bytes], 12 + je clear_ret + + ;; copy remaining 8 bytes to return 20 byte digest + mov DWORD(tmp2), [state + _args_digest + idx*4 + 3*SHA1_DIGEST_WORD_SIZE] + mov DWORD(tmp4), [state + _args_digest + idx*4 + 4*SHA1_DIGEST_WORD_SIZE] + bswap DWORD(tmp2) + bswap DWORD(tmp4) + mov [p + 3*4], DWORD(tmp2) + mov [p + 4*4], DWORD(tmp4) + +clear_ret: + +%ifdef SAFE_DATA + pxor xmm0, xmm0 + + ;; Clear digest (20B), outer_block (20B) and extra_block (64B) + ;; of returned job and NULL jobs +%assign I 0 +%rep 2 + cmp qword [state + _ldata + (I*_HMAC_SHA1_LANE_DATA_size) + _job_in_lane], 0 + jne APPEND(skip_clear_,I) + + ;; Clear digest + movdqu [state + _args_digest + I*20], xmm0 + mov dword [state + _args_digest + I*20 + 16], 0 + + lea lane_data, [state + _ldata + (I*_HMAC_SHA1_LANE_DATA_size)] + ;; Clear first 64 bytes of extra_block +%assign offset 0 +%rep 4 + movdqa [lane_data + _extra_block + offset], xmm0 +%assign offset (offset + 16) +%endrep + + ;; Clear first 20 bytes of outer_block + movdqa [lane_data + _outer_block], xmm0 + mov dword [lane_data + _outer_block + 16], 0 + +APPEND(skip_clear_,I): +%assign I (I+1) +%endrep + +%endif ;; SAFE_DATA + +return: + + mov rbx, [rsp + _gpr_save + 8*0] + mov rbp, [rsp + _gpr_save + 8*1] +%ifndef LINUX + mov rsi, [rsp + _gpr_save + 8*2] + mov rdi, [rsp + _gpr_save + 8*3] +%endif + mov rsp, [rsp + _rsp_save] ; original SP + + ret + +%ifdef LINUX +section .note.GNU-stack noalloc noexec nowrite progbits +%endif |