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Diffstat (limited to 'sys/arch/octeon/dev/cn30xxpkovar.h')
| -rw-r--r-- | sys/arch/octeon/dev/cn30xxpkovar.h | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/sys/arch/octeon/dev/cn30xxpkovar.h b/sys/arch/octeon/dev/cn30xxpkovar.h new file mode 100644 index 00000000000..d752634d4f8 --- /dev/null +++ b/sys/arch/octeon/dev/cn30xxpkovar.h @@ -0,0 +1,173 @@ +/* $OpenBSD: cn30xxpkovar.h,v 1.1 2011/06/16 11:22:30 syuu Exp $ */ + +/* + * Copyright (c) 2007 Internet Initiative Japan, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + */ + +/* + * Cavium Networks OCTEON CN30XX Hardware Reference Manual + * CN30XX-HM-1.0 + * 8.9 PKO Registers + */ + +#ifndef _CN30XXPKOVAR_H_ +#define _CN30XXPKOVAR_H_ + +#include <octeon/dev/cn30xxfauvar.h> +#include <octeon/dev/cn30xxpkoreg.h> + +#ifndef SET +#define SET(t, f) ((t) |= (f)) +#define ISSET(t, f) ((t) & (f)) +#define CLR(t, f) ((t) &= ~(f)) +#endif + +#define FAU_OP_SIZE_8 0 +#define FAU_OP_SIZE_16 1 +#define FAU_OP_SIZE_32 2 +#define FAU_OP_SIZE_64 3 + +#define PKO_OUTPUT_PORTS_NUM 5 +#define PKO_OUTPUT_PORTS_PKTIF_NUM 3 +#define PKO_OUTPUT_PORTS_PCIIF_NUM 2 +#define PKO_MEM_QUEUE_PTRS_ILLEGAL_PID 63 + +/* XXX */ +struct cn30xxpko_cmdptr_desc { + uint64_t cmdptr; + uint64_t cmdptr_idx; +}; + +/* XXX */ +struct cn30xxpko_softc { + int sc_port; + bus_space_tag_t sc_regt; + bus_space_handle_t sc_regh; + struct cn30xxpko_cmdptr_desc + *sc_cmdptr; + int sc_cmd_buf_pool; + size_t sc_cmd_buf_size; + +#ifdef OCTEON_ETH_DEBUG + struct evcnt sc_ev_pkoerrdbell; + struct evcnt sc_ev_pkoerrparity; +#endif +}; + +/* XXX */ +struct cn30xxpko_attach_args { + int aa_port; + bus_space_tag_t aa_regt; + struct cn30xxpko_cmdptr_desc *aa_cmdptr; + int aa_cmd_buf_pool; + size_t aa_cmd_buf_size; +}; + +/* XXX */ +void cn30xxpko_init(struct cn30xxpko_attach_args *, + struct cn30xxpko_softc **); +int cn30xxpko_enable(struct cn30xxpko_softc *); +int cn30xxpko_reset(struct cn30xxpko_softc *); +void cn30xxpko_config(struct cn30xxpko_softc *); +int cn30xxpko_port_enable(struct cn30xxpko_softc *, int); +int cn30xxpko_port_config(struct cn30xxpko_softc *); +void cn30xxpko_int_enable(struct cn30xxpko_softc *, int); +uint64_t cn30xxpko_int_summary(struct cn30xxpko_softc *); +static inline uint64_t cn30xxpko_cmd_word0(int, int, int, int, int, int, + int, int, int, int, int, int, int, int, int, int); +static inline uint64_t cn30xxpko_cmd_word1(int, int, int, int, paddr_t); + + +static inline uint64_t +cn30xxpko_cmd_word0(int sz1, int sz0, int s1, int reg1, int s0, int reg0, + int le, int n2, int q, int r, int g, int ipoffp1, int ii, int df, int segs, + int totalbytes) +{ + uint64_t cmd = 0; + + SET(cmd, (((uint64_t)sz1 << 62) & PKO_CMD_WORD0_SZ1) + | (((uint64_t)sz0 << 60) & PKO_CMD_WORD0_SZ0) + | (((uint64_t)s1 << 59) & PKO_CMD_WORD0_S1) + | (((uint64_t)reg1 << 48) & PKO_CMD_WORD0_REG1) + | (((uint64_t)s0 << 47) & PKO_CMD_WORD0_S0) + | (((uint64_t)reg0 << 36) & PKO_CMD_WORD0_REG0) + | (((uint64_t)le << 35) & PKO_CMD_WORD0_LE) + | (((uint64_t)n2 << 34) & PKO_CMD_WORD0_N2) + | (((uint64_t)q << 33) & PKO_CMD_WORD0_Q) + | (((uint64_t)r << 32) & PKO_CMD_WORD0_R) + | (((uint64_t)g << 31) & PKO_CMD_WORD0_G) + | (((uint64_t)ipoffp1 << 24) & PKO_CMD_WORD0_IPOFFP1) + | (((uint64_t)ii << 23) & PKO_CMD_WORD0_II) + | (((uint64_t)df << 22) & PKO_CMD_WORD0_DF) + | (((uint64_t)segs << 16) & PKO_CMD_WORD0_SEGS) + | (((uint64_t)totalbytes << 0) & PKO_CMD_WORD0_TOTALBYTES)); + return cmd; +} + +static inline uint64_t +cn30xxpko_cmd_word1(int i, int back, int pool, int size, paddr_t addr) +{ + uint64_t cmd = 0; + + SET(cmd, (((uint64_t)i << 63) & PKO_CMD_WORD1_I) + | (((uint64_t)back << 59) & PKO_CMD_WORD1_BACK) + | (((uint64_t)pool << 56) & PKO_CMD_WORD1_POOL) + | (((uint64_t)size << 40) & PKO_CMD_WORD1_SIZE) + | (((uint64_t)addr << 0) & PKO_CMD_WORD1_ADDR)); + return cmd; +} + +/* ---- operation primitives */ + +/* 8.8.1 Store Operations */ + +static inline void +cn30xxpko_op_store(uint64_t args, uint64_t value) +{ + paddr_t addr; + + addr = + ((uint64_t)1 << 48) | + ((uint64_t)(CN30XXPKO_MAJORDID & 0x1f) << 43) | + ((uint64_t)(CN30XXPKO_SUBDID & 0x7) << 40) | + ((uint64_t)args); + /* XXX */ + OCTEON_SYNCW; + octeon_write_csr(addr, value); +} + +static inline void +cn30xxpko_op_doorbell_write(int pid, int qid, int wdc) +{ + uint64_t args, value; + + args = + ((uint64_t)(pid & 0x3f) << 12) | + ((uint64_t)(qid & 0x1ff) << 3); + value = wdc & 0xfffff; + cn30xxpko_op_store(args, value); +} + +#endif |