diff options
Diffstat (limited to 'drivers/compress/octeontx/otx_zip.h')
| -rw-r--r-- | drivers/compress/octeontx/otx_zip.h | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/drivers/compress/octeontx/otx_zip.h b/drivers/compress/octeontx/otx_zip.h new file mode 100644 index 00000000..99a38d00 --- /dev/null +++ b/drivers/compress/octeontx/otx_zip.h @@ -0,0 +1,277 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Cavium, Inc + */ + +#ifndef _RTE_OCTEONTX_ZIP_VF_H_ +#define _RTE_OCTEONTX_ZIP_VF_H_ + +#include <unistd.h> + +#include <rte_bus_pci.h> +#include <rte_comp.h> +#include <rte_compressdev.h> +#include <rte_compressdev_pmd.h> +#include <rte_malloc.h> +#include <rte_memory.h> +#include <rte_spinlock.h> + +#include <zip_regs.h> + +int octtx_zip_logtype_driver; + +/* ZIP VF Control/Status registers (CSRs): */ +/* VF_BAR0: */ +#define ZIP_VQ_ENA (0x10) +#define ZIP_VQ_SBUF_ADDR (0x20) +#define ZIP_VF_PF_MBOXX(x) (0x400 | (x)<<3) +#define ZIP_VQ_DOORBELL (0x1000) + +/**< Vendor ID */ +#define PCI_VENDOR_ID_CAVIUM 0x177D +/**< PCI device id of ZIP VF */ +#define PCI_DEVICE_ID_OCTEONTX_ZIPVF 0xA037 + +/* maxmum number of zip vf devices */ +#define ZIP_MAX_VFS 8 + +/* max size of one chunk */ +#define ZIP_MAX_CHUNK_SIZE 8192 + +/* each instruction is fixed 128 bytes */ +#define ZIP_CMD_SIZE 128 + +#define ZIP_CMD_SIZE_WORDS (ZIP_CMD_SIZE >> 3) /* 16 64_bit words */ + +/* size of next chunk buffer pointer */ +#define ZIP_MAX_NCBP_SIZE 8 + +/* size of instruction queue in units of instruction size */ +#define ZIP_MAX_NUM_CMDS ((ZIP_MAX_CHUNK_SIZE - ZIP_MAX_NCBP_SIZE) / \ + ZIP_CMD_SIZE) /* 63 */ + +/* size of instruct queue in bytes */ +#define ZIP_MAX_CMDQ_SIZE ((ZIP_MAX_NUM_CMDS * ZIP_CMD_SIZE) + \ + ZIP_MAX_NCBP_SIZE)/* ~8072ull */ + +#define ZIP_BUF_SIZE 256 + +#define ZIP_SGPTR_ALIGN 16 +#define ZIP_CMDQ_ALIGN 128 +#define MAX_SG_LEN ((ZIP_BUF_SIZE - ZIP_SGPTR_ALIGN) / sizeof(void *)) + +/**< ZIP PMD specified queue pairs */ +#define ZIP_MAX_VF_QUEUE 1 + +#define ZIP_ALIGN_ROUNDUP(x, _align) \ + ((_align) * (((x) + (_align) - 1) / (_align))) + +/**< ZIP PMD device name */ +#define COMPRESSDEV_NAME_ZIP_PMD compress_octeonx + +#define ZIP_PMD_LOG(level, fmt, args...) \ + rte_log(RTE_LOG_ ## level, \ + octtx_zip_logtype_driver, "%s(): "fmt "\n", \ + __func__, ##args) + +#define ZIP_PMD_INFO(fmt, args...) \ + ZIP_PMD_LOG(INFO, fmt, ## args) +#define ZIP_PMD_ERR(fmt, args...) \ + ZIP_PMD_LOG(ERR, fmt, ## args) + +/* resources required to process stream */ +enum { + RES_BUF = 0, + CMD_BUF, + HASH_CTX_BUF, + DECOMP_CTX_BUF, + IN_DATA_BUF, + OUT_DATA_BUF, + HISTORY_DATA_BUF, + MAX_BUFS_PER_STREAM +} NUM_BUFS_PER_STREAM; + +struct zip_stream; +struct zipvf_qp; + +/* Algorithm handler function prototype */ +typedef int (*comp_func_t)(struct rte_comp_op *op, + struct zipvf_qp *qp, struct zip_stream *zstrm); + +/** + * ZIP private stream structure + */ +struct zip_stream { + union zip_inst_s *inst; + /* zip instruction pointer */ + comp_func_t func; + /* function to process comp operation */ + void *bufs[MAX_BUFS_PER_STREAM]; +} _rte_cache_aligned; + + +/** + * ZIP instruction Queue + */ +struct zipvf_cmdq { + rte_spinlock_t qlock; + /* queue lock */ + uint64_t *sw_head; + /* pointer to start of 8-byte word length queue-head */ + uint8_t *va; + /* pointer to instruction queue virtual address */ + rte_iova_t iova; + /* iova addr of cmdq head*/ +}; + +/** + * ZIP device queue structure + */ +struct zipvf_qp { + struct zipvf_cmdq cmdq; + /* Hardware instruction queue structure */ + struct rte_ring *processed_pkts; + /* Ring for placing processed packets */ + struct rte_compressdev_stats qp_stats; + /* Queue pair statistics */ + uint16_t id; + /* Queue Pair Identifier */ + const char *name; + /* Unique Queue Pair Name */ + struct zip_vf *vf; + /* pointer to device, queue belongs to */ +} __rte_cache_aligned; + +/** + * ZIP VF device structure. + */ +struct zip_vf { + int vfid; + /* vf index */ + struct rte_pci_device *pdev; + /* pci device */ + void *vbar0; + /* CSR base address for underlying BAR0 VF.*/ + uint64_t dom_sdom; + /* Storing mbox domain and subdomain id for app rerun*/ + uint32_t max_nb_queue_pairs; + /* pointer to device qps */ + struct rte_mempool *zip_mp; + /* pointer to pools */ +} __rte_cache_aligned; + + +static inline void +zipvf_prepare_in_buf(struct zip_stream *zstrm, struct rte_comp_op *op) +{ + uint32_t offset, inlen; + struct rte_mbuf *m_src; + union zip_inst_s *inst = zstrm->inst; + + inlen = op->src.length; + offset = op->src.offset; + m_src = op->m_src; + + /* Prepare direct input data pointer */ + inst->s.dg = 0; + inst->s.inp_ptr_addr.s.addr = + rte_pktmbuf_iova_offset(m_src, offset); + inst->s.inp_ptr_ctl.s.length = inlen; +} + +static inline void +zipvf_prepare_out_buf(struct zip_stream *zstrm, struct rte_comp_op *op) +{ + uint32_t offset; + struct rte_mbuf *m_dst; + union zip_inst_s *inst = zstrm->inst; + + offset = op->dst.offset; + m_dst = op->m_dst; + + /* Prepare direct input data pointer */ + inst->s.ds = 0; + inst->s.out_ptr_addr.s.addr = + rte_pktmbuf_iova_offset(m_dst, offset); + inst->s.totaloutputlength = rte_pktmbuf_pkt_len(m_dst) - + op->dst.offset; + inst->s.out_ptr_ctl.s.length = inst->s.totaloutputlength; +} + +static inline void +zipvf_prepare_cmd_stateless(struct rte_comp_op *op, struct zip_stream *zstrm) +{ + union zip_inst_s *inst = zstrm->inst; + + /* set flush flag to always 1*/ + inst->s.ef = 1; + + if (inst->s.op == ZIP_OP_E_DECOMP) + inst->s.sf = 1; + else + inst->s.sf = 0; + + /* Set input checksum */ + inst->s.adlercrc32 = op->input_chksum; + + /* Prepare gather buffers */ + zipvf_prepare_in_buf(zstrm, op); + zipvf_prepare_out_buf(zstrm, op); +} + +#ifdef ZIP_DBG +static inline void +zip_dump_instruction(void *inst) +{ + union zip_inst_s *cmd83 = (union zip_inst_s *)inst; + printf("####### START ########\n"); + printf("doneint:%d totaloutputlength:%d\n", cmd83->s.doneint, + cmd83->s.totaloutputlength); + printf("exnum:%d iv:%d exbits:%d hmif:%d halg:%d\n", cmd83->s.exn, + cmd83->s.iv, cmd83->s.exbits, cmd83->s.hmif, cmd83->s.halg); + printf("flush:%d speed:%d cc:%d\n", cmd83->s.sf, + cmd83->s.ss, cmd83->s.cc); + printf("eof:%d bof:%d op:%d dscatter:%d dgather:%d hgather:%d\n", + cmd83->s.ef, cmd83->s.bf, cmd83->s.op, cmd83->s.ds, + cmd83->s.dg, cmd83->s.hg); + printf("historylength:%d adler32:%d\n", cmd83->s.historylength, + cmd83->s.adlercrc32); + printf("ctx_ptr.addr:0x%"PRIx64"\n", cmd83->s.ctx_ptr_addr.s.addr); + printf("ctx_ptr.len:%d\n", cmd83->s.ctx_ptr_ctl.s.length); + printf("history_ptr.addr:0x%"PRIx64"\n", cmd83->s.his_ptr_addr.s.addr); + printf("history_ptr.len:%d\n", cmd83->s.his_ptr_ctl.s.length); + printf("inp_ptr.addr:0x%"PRIx64"\n", cmd83->s.inp_ptr_addr.s.addr); + printf("inp_ptr.len:%d\n", cmd83->s.inp_ptr_ctl.s.length); + printf("out_ptr.addr:0x%"PRIx64"\n", cmd83->s.out_ptr_addr.s.addr); + printf("out_ptr.len:%d\n", cmd83->s.out_ptr_ctl.s.length); + printf("result_ptr.len:%d\n", cmd83->s.res_ptr_ctl.s.length); + printf("####### END ########\n"); +} +#endif + +int +zipvf_create(struct rte_compressdev *compressdev); + +int +zipvf_destroy(struct rte_compressdev *compressdev); + +int +zipvf_q_init(struct zipvf_qp *qp); + +int +zipvf_q_term(struct zipvf_qp *qp); + +void +zipvf_push_command(struct zipvf_qp *qp, union zip_inst_s *zcmd); + +int +zip_process_op(struct rte_comp_op *op, + struct zipvf_qp *qp, + struct zip_stream *zstrm); + +uint64_t +zip_reg_read64(uint8_t *hw_addr, uint64_t offset); + +void +zip_reg_write64(uint8_t *hw_addr, uint64_t offset, uint64_t val); + +#endif /* _RTE_ZIP_VF_H_ */ |