mirror of
https://github.com/freebsd/freebsd-src
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141 lines
4.1 KiB
C
141 lines
4.1 KiB
C
/*
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* BSD LICENSE
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*
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* Copyright(c) 2017 Cavium, Inc.. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Cavium, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* \file lio_main.h
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* \brief Host Driver: This file is included by all host driver source files
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* to include common definitions.
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*/
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#ifndef _LIO_MAIN_H_
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#define _LIO_MAIN_H_
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extern unsigned int lio_hwlro;
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#define LIO_CAST64(v) ((long long)(long)(v))
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#define LIO_DRV_NAME "lio"
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/** Swap 8B blocks */
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static inline void
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lio_swap_8B_data(uint64_t *data, uint32_t blocks)
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{
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while (blocks) {
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*data = htobe64(*data);
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blocks--;
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data++;
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}
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}
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/*
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* \brief unmaps a PCI BAR
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* @param oct Pointer to Octeon device
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* @param baridx bar index
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*/
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static inline void
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lio_unmap_pci_barx(struct octeon_device *oct, int baridx)
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{
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lio_dev_dbg(oct, "Freeing PCI mapped regions for Bar%d\n", baridx);
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if (oct->mem_bus_space[baridx].pci_mem != NULL) {
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bus_release_resource(oct->device, SYS_RES_MEMORY,
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PCIR_BAR(baridx * 2),
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oct->mem_bus_space[baridx].pci_mem);
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oct->mem_bus_space[baridx].pci_mem = NULL;
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}
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}
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/*
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* \brief maps a PCI BAR
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* @param oct Pointer to Octeon device
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* @param baridx bar index
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*/
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static inline int
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lio_map_pci_barx(struct octeon_device *oct, int baridx)
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{
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int rid = PCIR_BAR(baridx * 2);
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oct->mem_bus_space[baridx].pci_mem =
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bus_alloc_resource_any(oct->device, SYS_RES_MEMORY, &rid,
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RF_ACTIVE);
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if (oct->mem_bus_space[baridx].pci_mem == NULL) {
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lio_dev_err(oct, "Unable to allocate bus resource: memory\n");
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return (ENXIO);
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}
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/* Save bus_space values for READ/WRITE_REG macros */
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oct->mem_bus_space[baridx].tag =
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rman_get_bustag(oct->mem_bus_space[baridx].pci_mem);
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oct->mem_bus_space[baridx].handle =
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rman_get_bushandle(oct->mem_bus_space[baridx].pci_mem);
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lio_dev_dbg(oct, "BAR%d Tag 0x%llx Handle 0x%llx\n",
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baridx, LIO_CAST64(oct->mem_bus_space[baridx].tag),
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LIO_CAST64(oct->mem_bus_space[baridx].handle));
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return (0);
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}
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static inline void
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lio_sleep_cond(struct octeon_device *oct, volatile int *condition)
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{
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while (!(*condition)) {
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lio_mdelay(1);
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lio_flush_iq(oct, oct->instr_queue[0], 0);
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lio_process_ordered_list(oct, 0);
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}
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}
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int lio_console_debug_enabled(uint32_t console);
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#ifndef ROUNDUP4
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#define ROUNDUP4(val) (((val) + 3) & 0xfffffffc)
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#endif
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#ifndef ROUNDUP8
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#define ROUNDUP8(val) (((val) + 7) & 0xfffffff8)
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#endif
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#define BIT_ULL(nr) (1ULL << (nr))
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void lio_free_mbuf(struct lio_instr_queue *iq,
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struct lio_mbuf_free_info *finfo);
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void lio_free_sgmbuf(struct lio_instr_queue *iq,
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struct lio_mbuf_free_info *finfo);
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#endif /* _LIO_MAIN_H_ */
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