^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * caam descriptor construction helper functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright 2008-2012 Freescale Semiconductor, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright 2019 NXP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #ifndef DESC_CONSTR_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define DESC_CONSTR_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "desc.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "regs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define IMMEDIATE (1 << 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #define CAAM_CMD_SZ sizeof(u32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define CAAM_PTR_SZ caam_ptr_sz
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define CAAM_PTR_SZ_MAX sizeof(dma_addr_t)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define CAAM_PTR_SZ_MIN sizeof(u32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define CAAM_DESC_BYTES_MAX (CAAM_CMD_SZ * MAX_CAAM_DESCSIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define __DESC_JOB_IO_LEN(n) (CAAM_CMD_SZ * 5 + (n) * 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define DESC_JOB_IO_LEN __DESC_JOB_IO_LEN(CAAM_PTR_SZ)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define DESC_JOB_IO_LEN_MAX __DESC_JOB_IO_LEN(CAAM_PTR_SZ_MAX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define DESC_JOB_IO_LEN_MIN __DESC_JOB_IO_LEN(CAAM_PTR_SZ_MIN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * The CAAM QI hardware constructs a job descriptor which points
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * to shared descriptor (as pointed by context_a of FQ to CAAM).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * When the job descriptor is executed by deco, the whole job
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * descriptor together with shared descriptor gets loaded in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * deco buffer which is 64 words long (each 32-bit).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) * The job descriptor constructed by QI hardware has layout:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * HEADER (1 word)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * Shdesc ptr (1 or 2 words)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * SEQ_OUT_PTR (1 word)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) * Out ptr (1 or 2 words)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) * Out length (1 word)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) * SEQ_IN_PTR (1 word)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) * In ptr (1 or 2 words)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) * In length (1 word)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) * The shdesc ptr is used to fetch shared descriptor contents
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) * into deco buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) * Apart from shdesc contents, the total number of words that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) * get loaded in deco buffer are '8' or '11'. The remaining words
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) * in deco buffer can be used for storing shared descriptor.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define MAX_SDLEN ((CAAM_DESC_BYTES_MAX - DESC_JOB_IO_LEN_MIN) / CAAM_CMD_SZ)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #ifdef DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define PRINT_POS do { printk(KERN_DEBUG "%02d: %s\n", desc_len(desc),\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) &__func__[sizeof("append")]); } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define PRINT_POS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define SET_OK_NO_PROP_ERRORS (IMMEDIATE | LDST_CLASS_DECO | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) LDST_SRCDST_WORD_DECOCTRL | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) (LDOFF_CHG_SHARE_OK_NO_PROP << \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) LDST_OFFSET_SHIFT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define DISABLE_AUTO_INFO_FIFO (IMMEDIATE | LDST_CLASS_DECO | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) LDST_SRCDST_WORD_DECOCTRL | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) (LDOFF_DISABLE_AUTO_NFIFO << LDST_OFFSET_SHIFT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define ENABLE_AUTO_INFO_FIFO (IMMEDIATE | LDST_CLASS_DECO | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) LDST_SRCDST_WORD_DECOCTRL | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) (LDOFF_ENABLE_AUTO_NFIFO << LDST_OFFSET_SHIFT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) extern bool caam_little_end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) extern size_t caam_ptr_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) * HW fetches 4 S/G table entries at a time, irrespective of how many entries
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) * are in the table. It's SW's responsibility to make sure these accesses
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) * do not have side effects.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) static inline int pad_sg_nents(int sg_nents)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) return ALIGN(sg_nents, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) static inline int desc_len(u32 * const desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) return caam32_to_cpu(*desc) & HDR_DESCLEN_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) static inline int desc_bytes(void * const desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) return desc_len(desc) * CAAM_CMD_SZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) static inline u32 *desc_end(u32 * const desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) return desc + desc_len(desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) static inline void *sh_desc_pdb(u32 * const desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) return desc + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) static inline void init_desc(u32 * const desc, u32 options)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) *desc = cpu_to_caam32((options | HDR_ONE) + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) static inline void init_sh_desc(u32 * const desc, u32 options)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) PRINT_POS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) init_desc(desc, CMD_SHARED_DESC_HDR | options);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) static inline void init_sh_desc_pdb(u32 * const desc, u32 options,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) size_t pdb_bytes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) u32 pdb_len = (pdb_bytes + CAAM_CMD_SZ - 1) / CAAM_CMD_SZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) init_sh_desc(desc, (((pdb_len + 1) << HDR_START_IDX_SHIFT) + pdb_len) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) options);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) static inline void init_job_desc(u32 * const desc, u32 options)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) init_desc(desc, CMD_DESC_HDR | options);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) static inline void init_job_desc_pdb(u32 * const desc, u32 options,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) size_t pdb_bytes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) u32 pdb_len = (pdb_bytes + CAAM_CMD_SZ - 1) / CAAM_CMD_SZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) init_job_desc(desc, (((pdb_len + 1) << HDR_START_IDX_SHIFT)) | options);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) static inline void append_ptr(u32 * const desc, dma_addr_t ptr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) if (caam_ptr_sz == sizeof(dma_addr_t)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) dma_addr_t *offset = (dma_addr_t *)desc_end(desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) *offset = cpu_to_caam_dma(ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) u32 *offset = (u32 *)desc_end(desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) *offset = cpu_to_caam_dma(ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) (*desc) = cpu_to_caam32(caam32_to_cpu(*desc) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) CAAM_PTR_SZ / CAAM_CMD_SZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) static inline void init_job_desc_shared(u32 * const desc, dma_addr_t ptr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) int len, u32 options)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) PRINT_POS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) init_job_desc(desc, HDR_SHARED | options |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) (len << HDR_START_IDX_SHIFT));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) append_ptr(desc, ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) static inline void append_data(u32 * const desc, const void *data, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) u32 *offset = desc_end(desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) if (len) /* avoid sparse warning: memcpy with byte count of 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) memcpy(offset, data, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) (*desc) = cpu_to_caam32(caam32_to_cpu(*desc) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) (len + CAAM_CMD_SZ - 1) / CAAM_CMD_SZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) static inline void append_cmd(u32 * const desc, u32 command)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) u32 *cmd = desc_end(desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) *cmd = cpu_to_caam32(command);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) (*desc) = cpu_to_caam32(caam32_to_cpu(*desc) + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) #define append_u32 append_cmd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) static inline void append_u64(u32 * const desc, u64 data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) u32 *offset = desc_end(desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) /* Only 32-bit alignment is guaranteed in descriptor buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) if (caam_little_end) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) *offset = cpu_to_caam32(lower_32_bits(data));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) *(++offset) = cpu_to_caam32(upper_32_bits(data));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) *offset = cpu_to_caam32(upper_32_bits(data));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) *(++offset) = cpu_to_caam32(lower_32_bits(data));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) (*desc) = cpu_to_caam32(caam32_to_cpu(*desc) + 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) /* Write command without affecting header, and return pointer to next word */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) static inline u32 *write_cmd(u32 * const desc, u32 command)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) *desc = cpu_to_caam32(command);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) return desc + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) static inline void append_cmd_ptr(u32 * const desc, dma_addr_t ptr, int len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) u32 command)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) append_cmd(desc, command | len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) append_ptr(desc, ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) /* Write length after pointer, rather than inside command */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) static inline void append_cmd_ptr_extlen(u32 * const desc, dma_addr_t ptr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) unsigned int len, u32 command)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) append_cmd(desc, command);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) if (!(command & (SQIN_RTO | SQIN_PRE)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) append_ptr(desc, ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) append_cmd(desc, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) static inline void append_cmd_data(u32 * const desc, const void *data, int len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) u32 command)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) append_cmd(desc, command | IMMEDIATE | len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) append_data(desc, data, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) #define APPEND_CMD_RET(cmd, op) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) static inline u32 *append_##cmd(u32 * const desc, u32 options) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) u32 *cmd = desc_end(desc); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) PRINT_POS; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) append_cmd(desc, CMD_##op | options); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) return cmd; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) APPEND_CMD_RET(jump, JUMP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) APPEND_CMD_RET(move, MOVE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) APPEND_CMD_RET(move_len, MOVE_LEN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) static inline void set_jump_tgt_here(u32 * const desc, u32 *jump_cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) *jump_cmd = cpu_to_caam32(caam32_to_cpu(*jump_cmd) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) (desc_len(desc) - (jump_cmd - desc)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) static inline void set_move_tgt_here(u32 * const desc, u32 *move_cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) u32 val = caam32_to_cpu(*move_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) val &= ~MOVE_OFFSET_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) val |= (desc_len(desc) << (MOVE_OFFSET_SHIFT + 2)) & MOVE_OFFSET_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) *move_cmd = cpu_to_caam32(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) #define APPEND_CMD(cmd, op) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) static inline void append_##cmd(u32 * const desc, u32 options) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) PRINT_POS; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) append_cmd(desc, CMD_##op | options); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) APPEND_CMD(operation, OPERATION)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) #define APPEND_CMD_LEN(cmd, op) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) static inline void append_##cmd(u32 * const desc, unsigned int len, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) u32 options) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) PRINT_POS; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) append_cmd(desc, CMD_##op | len | options); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) APPEND_CMD_LEN(seq_load, SEQ_LOAD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) APPEND_CMD_LEN(seq_store, SEQ_STORE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) APPEND_CMD_LEN(seq_fifo_load, SEQ_FIFO_LOAD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) APPEND_CMD_LEN(seq_fifo_store, SEQ_FIFO_STORE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) #define APPEND_CMD_PTR(cmd, op) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) static inline void append_##cmd(u32 * const desc, dma_addr_t ptr, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) unsigned int len, u32 options) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) PRINT_POS; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) append_cmd_ptr(desc, ptr, len, CMD_##op | options); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) APPEND_CMD_PTR(key, KEY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) APPEND_CMD_PTR(load, LOAD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) APPEND_CMD_PTR(fifo_load, FIFO_LOAD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) APPEND_CMD_PTR(fifo_store, FIFO_STORE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) static inline void append_store(u32 * const desc, dma_addr_t ptr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) unsigned int len, u32 options)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) u32 cmd_src;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) cmd_src = options & LDST_SRCDST_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) append_cmd(desc, CMD_STORE | options | len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) /* The following options do not require pointer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) if (!(cmd_src == LDST_SRCDST_WORD_DESCBUF_SHARED ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) cmd_src == LDST_SRCDST_WORD_DESCBUF_JOB ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) cmd_src == LDST_SRCDST_WORD_DESCBUF_JOB_WE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) cmd_src == LDST_SRCDST_WORD_DESCBUF_SHARED_WE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) append_ptr(desc, ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) #define APPEND_SEQ_PTR_INTLEN(cmd, op) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) static inline void append_seq_##cmd##_ptr_intlen(u32 * const desc, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) dma_addr_t ptr, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) unsigned int len, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) u32 options) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) PRINT_POS; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) if (options & (SQIN_RTO | SQIN_PRE)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) append_cmd(desc, CMD_SEQ_##op##_PTR | len | options); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) else \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) append_cmd_ptr(desc, ptr, len, CMD_SEQ_##op##_PTR | options); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) APPEND_SEQ_PTR_INTLEN(in, IN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) APPEND_SEQ_PTR_INTLEN(out, OUT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) #define APPEND_CMD_PTR_TO_IMM(cmd, op) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) static inline void append_##cmd##_as_imm(u32 * const desc, const void *data, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) unsigned int len, u32 options) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) PRINT_POS; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) append_cmd_data(desc, data, len, CMD_##op | options); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) APPEND_CMD_PTR_TO_IMM(load, LOAD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) APPEND_CMD_PTR_TO_IMM(fifo_load, FIFO_LOAD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) #define APPEND_CMD_PTR_EXTLEN(cmd, op) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) static inline void append_##cmd##_extlen(u32 * const desc, dma_addr_t ptr, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) unsigned int len, u32 options) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) PRINT_POS; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) append_cmd_ptr_extlen(desc, ptr, len, CMD_##op | SQIN_EXT | options); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) APPEND_CMD_PTR_EXTLEN(seq_in_ptr, SEQ_IN_PTR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) APPEND_CMD_PTR_EXTLEN(seq_out_ptr, SEQ_OUT_PTR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) * Determine whether to store length internally or externally depending on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) * the size of its type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) #define APPEND_CMD_PTR_LEN(cmd, op, type) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) static inline void append_##cmd(u32 * const desc, dma_addr_t ptr, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) type len, u32 options) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) PRINT_POS; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) if (sizeof(type) > sizeof(u16)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) append_##cmd##_extlen(desc, ptr, len, options); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) else \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) append_##cmd##_intlen(desc, ptr, len, options); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) APPEND_CMD_PTR_LEN(seq_in_ptr, SEQ_IN_PTR, u32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) APPEND_CMD_PTR_LEN(seq_out_ptr, SEQ_OUT_PTR, u32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) * 2nd variant for commands whose specified immediate length differs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) * from length of immediate data provided, e.g., split keys
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) #define APPEND_CMD_PTR_TO_IMM2(cmd, op) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) static inline void append_##cmd##_as_imm(u32 * const desc, const void *data, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) unsigned int data_len, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) unsigned int len, u32 options) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) PRINT_POS; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) append_cmd(desc, CMD_##op | IMMEDIATE | len | options); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) append_data(desc, data, data_len); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) APPEND_CMD_PTR_TO_IMM2(key, KEY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) #define APPEND_CMD_RAW_IMM(cmd, op, type) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) static inline void append_##cmd##_imm_##type(u32 * const desc, type immediate, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) u32 options) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) PRINT_POS; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) if (options & LDST_LEN_MASK) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) append_cmd(desc, CMD_##op | IMMEDIATE | options); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) else \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) append_cmd(desc, CMD_##op | IMMEDIATE | options | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) sizeof(type)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) append_cmd(desc, immediate); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) APPEND_CMD_RAW_IMM(load, LOAD, u32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) * ee - endianness
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) * size - size of immediate type in bytes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) #define APPEND_CMD_RAW_IMM2(cmd, op, ee, size) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) static inline void append_##cmd##_imm_##ee##size(u32 *desc, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) u##size immediate, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) u32 options) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) __##ee##size data = cpu_to_##ee##size(immediate); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) PRINT_POS; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) append_cmd(desc, CMD_##op | IMMEDIATE | options | sizeof(data)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) append_data(desc, &data, sizeof(data)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) APPEND_CMD_RAW_IMM2(load, LOAD, be, 32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) * Append math command. Only the last part of destination and source need to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) * be specified
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) #define APPEND_MATH(op, desc, dest, src_0, src_1, len) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) append_cmd(desc, CMD_MATH | MATH_FUN_##op | MATH_DEST_##dest | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) MATH_SRC0_##src_0 | MATH_SRC1_##src_1 | (u32)len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) #define append_math_add(desc, dest, src0, src1, len) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) APPEND_MATH(ADD, desc, dest, src0, src1, len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) #define append_math_sub(desc, dest, src0, src1, len) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) APPEND_MATH(SUB, desc, dest, src0, src1, len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) #define append_math_add_c(desc, dest, src0, src1, len) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) APPEND_MATH(ADDC, desc, dest, src0, src1, len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) #define append_math_sub_b(desc, dest, src0, src1, len) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) APPEND_MATH(SUBB, desc, dest, src0, src1, len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) #define append_math_and(desc, dest, src0, src1, len) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) APPEND_MATH(AND, desc, dest, src0, src1, len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) #define append_math_or(desc, dest, src0, src1, len) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) APPEND_MATH(OR, desc, dest, src0, src1, len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) #define append_math_xor(desc, dest, src0, src1, len) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) APPEND_MATH(XOR, desc, dest, src0, src1, len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) #define append_math_lshift(desc, dest, src0, src1, len) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) APPEND_MATH(LSHIFT, desc, dest, src0, src1, len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) #define append_math_rshift(desc, dest, src0, src1, len) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) APPEND_MATH(RSHIFT, desc, dest, src0, src1, len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) #define append_math_ldshift(desc, dest, src0, src1, len) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) APPEND_MATH(SHLD, desc, dest, src0, src1, len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) /* Exactly one source is IMM. Data is passed in as u32 value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) #define APPEND_MATH_IMM_u32(op, desc, dest, src_0, src_1, data) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) APPEND_MATH(op, desc, dest, src_0, src_1, CAAM_CMD_SZ); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) append_cmd(desc, data); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) #define append_math_add_imm_u32(desc, dest, src0, src1, data) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) APPEND_MATH_IMM_u32(ADD, desc, dest, src0, src1, data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) #define append_math_sub_imm_u32(desc, dest, src0, src1, data) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) APPEND_MATH_IMM_u32(SUB, desc, dest, src0, src1, data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) #define append_math_add_c_imm_u32(desc, dest, src0, src1, data) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) APPEND_MATH_IMM_u32(ADDC, desc, dest, src0, src1, data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) #define append_math_sub_b_imm_u32(desc, dest, src0, src1, data) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) APPEND_MATH_IMM_u32(SUBB, desc, dest, src0, src1, data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) #define append_math_and_imm_u32(desc, dest, src0, src1, data) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) APPEND_MATH_IMM_u32(AND, desc, dest, src0, src1, data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) #define append_math_or_imm_u32(desc, dest, src0, src1, data) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) APPEND_MATH_IMM_u32(OR, desc, dest, src0, src1, data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) #define append_math_xor_imm_u32(desc, dest, src0, src1, data) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) APPEND_MATH_IMM_u32(XOR, desc, dest, src0, src1, data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) #define append_math_lshift_imm_u32(desc, dest, src0, src1, data) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) APPEND_MATH_IMM_u32(LSHIFT, desc, dest, src0, src1, data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) #define append_math_rshift_imm_u32(desc, dest, src0, src1, data) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) APPEND_MATH_IMM_u32(RSHIFT, desc, dest, src0, src1, data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) /* Exactly one source is IMM. Data is passed in as u64 value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) #define APPEND_MATH_IMM_u64(op, desc, dest, src_0, src_1, data) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) u32 upper = (data >> 16) >> 16; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) APPEND_MATH(op, desc, dest, src_0, src_1, CAAM_CMD_SZ * 2 | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) (upper ? 0 : MATH_IFB)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) if (upper) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) append_u64(desc, data); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) else \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) append_u32(desc, lower_32_bits(data)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) #define append_math_add_imm_u64(desc, dest, src0, src1, data) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) APPEND_MATH_IMM_u64(ADD, desc, dest, src0, src1, data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) #define append_math_sub_imm_u64(desc, dest, src0, src1, data) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) APPEND_MATH_IMM_u64(SUB, desc, dest, src0, src1, data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) #define append_math_add_c_imm_u64(desc, dest, src0, src1, data) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) APPEND_MATH_IMM_u64(ADDC, desc, dest, src0, src1, data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) #define append_math_sub_b_imm_u64(desc, dest, src0, src1, data) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) APPEND_MATH_IMM_u64(SUBB, desc, dest, src0, src1, data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) #define append_math_and_imm_u64(desc, dest, src0, src1, data) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) APPEND_MATH_IMM_u64(AND, desc, dest, src0, src1, data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) #define append_math_or_imm_u64(desc, dest, src0, src1, data) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) APPEND_MATH_IMM_u64(OR, desc, dest, src0, src1, data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) #define append_math_xor_imm_u64(desc, dest, src0, src1, data) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) APPEND_MATH_IMM_u64(XOR, desc, dest, src0, src1, data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) #define append_math_lshift_imm_u64(desc, dest, src0, src1, data) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) APPEND_MATH_IMM_u64(LSHIFT, desc, dest, src0, src1, data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) #define append_math_rshift_imm_u64(desc, dest, src0, src1, data) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) APPEND_MATH_IMM_u64(RSHIFT, desc, dest, src0, src1, data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) * struct alginfo - Container for algorithm details
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) * @algtype: algorithm selector; for valid values, see documentation of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) * functions where it is used.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) * @keylen: length of the provided algorithm key, in bytes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) * @keylen_pad: padded length of the provided algorithm key, in bytes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) * @key_dma: dma (bus) address where algorithm key resides
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) * @key_virt: virtual address where algorithm key resides
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) * @key_inline: true - key can be inlined in the descriptor; false - key is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) * referenced by the descriptor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) struct alginfo {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) u32 algtype;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) unsigned int keylen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) unsigned int keylen_pad;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) dma_addr_t key_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) const void *key_virt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) bool key_inline;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) * desc_inline_query() - Provide indications on which data items can be inlined
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) * and which shall be referenced in a shared descriptor.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) * @sd_base_len: Shared descriptor base length - bytes consumed by the commands,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) * excluding the data items to be inlined (or corresponding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) * pointer if an item is not inlined). Each cnstr_* function that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) * generates descriptors should have a define mentioning
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) * corresponding length.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) * @jd_len: Maximum length of the job descriptor(s) that will be used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) * together with the shared descriptor.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) * @data_len: Array of lengths of the data items trying to be inlined
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) * @inl_mask: 32bit mask with bit x = 1 if data item x can be inlined, 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) * otherwise.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) * @count: Number of data items (size of @data_len array); must be <= 32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) * Return: 0 if data can be inlined / referenced, negative value if not. If 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) * check @inl_mask for details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) static inline int desc_inline_query(unsigned int sd_base_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) unsigned int jd_len, unsigned int *data_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) u32 *inl_mask, unsigned int count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) int rem_bytes = (int)(CAAM_DESC_BYTES_MAX - sd_base_len - jd_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) *inl_mask = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) for (i = 0; (i < count) && (rem_bytes > 0); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) if (rem_bytes - (int)(data_len[i] +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) (count - i - 1) * CAAM_PTR_SZ) >= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) rem_bytes -= data_len[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) *inl_mask |= (1 << i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) rem_bytes -= CAAM_PTR_SZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) return (rem_bytes >= 0) ? 0 : -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) * append_proto_dkp - Derived Key Protocol (DKP): key -> split key
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) * @desc: pointer to buffer used for descriptor construction
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) * @adata: pointer to authentication transform definitions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) * keylen should be the length of initial key, while keylen_pad
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) * the length of the derived (split) key.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) * Valid algorithm values - one of OP_ALG_ALGSEL_{MD5, SHA1, SHA224,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) * SHA256, SHA384, SHA512}.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) static inline void append_proto_dkp(u32 * const desc, struct alginfo *adata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) u32 protid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) * Quick & dirty translation from OP_ALG_ALGSEL_{MD5, SHA*}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) * to OP_PCLID_DKP_{MD5, SHA*}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) protid = (adata->algtype & OP_ALG_ALGSEL_SUBMASK) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) (0x20 << OP_ALG_ALGSEL_SHIFT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) if (adata->key_inline) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) int words;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) if (adata->keylen > adata->keylen_pad) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) append_operation(desc, OP_TYPE_UNI_PROTOCOL | protid |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) OP_PCL_DKP_SRC_PTR |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) OP_PCL_DKP_DST_IMM | adata->keylen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) append_ptr(desc, adata->key_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) words = (ALIGN(adata->keylen_pad, CAAM_CMD_SZ) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) CAAM_PTR_SZ) / CAAM_CMD_SZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) append_operation(desc, OP_TYPE_UNI_PROTOCOL | protid |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) OP_PCL_DKP_SRC_IMM |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) OP_PCL_DKP_DST_IMM | adata->keylen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) append_data(desc, adata->key_virt, adata->keylen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) words = (ALIGN(adata->keylen_pad, CAAM_CMD_SZ) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) ALIGN(adata->keylen, CAAM_CMD_SZ)) /
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) CAAM_CMD_SZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) /* Reserve space in descriptor buffer for the derived key */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) if (words)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) (*desc) = cpu_to_caam32(caam32_to_cpu(*desc) + words);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) append_operation(desc, OP_TYPE_UNI_PROTOCOL | protid |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) OP_PCL_DKP_SRC_PTR | OP_PCL_DKP_DST_PTR |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) adata->keylen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) append_ptr(desc, adata->key_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) #endif /* DESC_CONSTR_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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