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/*
* BSD LICENSE
*
* Copyright(c) 2017 Cavium, Inc.. All rights reserved.
* All rights reserved.
*
* 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 Cavium, Inc. 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(S) 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.
*/
/*
* \file lio_main.h
* \brief Host Driver: This file is included by all host driver source files
* to include common definitions.
*/
#ifndef _LIO_MAIN_H_
#define _LIO_MAIN_H_
extern unsigned int lio_hwlro;
#define LIO_CAST64(v) ((long long)(long)(v))
#define LIO_DRV_NAME "lio"
/** Swap 8B blocks */
static inline void
lio_swap_8B_data(uint64_t *data, uint32_t blocks)
{
while (blocks) {
*data = htobe64(*data);
blocks--;
data++;
}
}
/*
* \brief unmaps a PCI BAR
* @param oct Pointer to Octeon device
* @param baridx bar index
*/
static inline void
lio_unmap_pci_barx(struct octeon_device *oct, int baridx)
{
lio_dev_dbg(oct, "Freeing PCI mapped regions for Bar%d\n", baridx);
if (oct->mem_bus_space[baridx].pci_mem != NULL) {
bus_release_resource(oct->device, SYS_RES_MEMORY,
PCIR_BAR(baridx * 2),
oct->mem_bus_space[baridx].pci_mem);
oct->mem_bus_space[baridx].pci_mem = NULL;
}
}
/*
* \brief maps a PCI BAR
* @param oct Pointer to Octeon device
* @param baridx bar index
*/
static inline int
lio_map_pci_barx(struct octeon_device *oct, int baridx)
{
int rid = PCIR_BAR(baridx * 2);
oct->mem_bus_space[baridx].pci_mem =
bus_alloc_resource_any(oct->device, SYS_RES_MEMORY, &rid,
RF_ACTIVE);
if (oct->mem_bus_space[baridx].pci_mem == NULL) {
lio_dev_err(oct, "Unable to allocate bus resource: memory\n");
return (ENXIO);
}
/* Save bus_space values for READ/WRITE_REG macros */
oct->mem_bus_space[baridx].tag =
rman_get_bustag(oct->mem_bus_space[baridx].pci_mem);
oct->mem_bus_space[baridx].handle =
rman_get_bushandle(oct->mem_bus_space[baridx].pci_mem);
lio_dev_dbg(oct, "BAR%d Tag 0x%llx Handle 0x%llx\n",
baridx, LIO_CAST64(oct->mem_bus_space[baridx].tag),
LIO_CAST64(oct->mem_bus_space[baridx].handle));
return (0);
}
static inline void
lio_sleep_cond(struct octeon_device *oct, volatile int *condition)
{
while (!(*condition)) {
lio_mdelay(1);
lio_flush_iq(oct, oct->instr_queue[0], 0);
lio_process_ordered_list(oct, 0);
}
}
int lio_console_debug_enabled(uint32_t console);
#ifndef ROUNDUP4
#define ROUNDUP4(val) (((val) + 3) & 0xfffffffc)
#endif
#ifndef ROUNDUP8
#define ROUNDUP8(val) (((val) + 7) & 0xfffffff8)
#endif
#define BIT_ULL(nr) (1ULL << (nr))
void lio_free_mbuf(struct lio_instr_queue *iq,
struct lio_mbuf_free_info *finfo);
void lio_free_sgmbuf(struct lio_instr_queue *iq,
struct lio_mbuf_free_info *finfo);
#endif /* _LIO_MAIN_H_ */
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