/*
* Copyright (c) 2013-2014 Qlogic Corporation
* 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 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 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.
*
* $FreeBSD$
*/
/*
* File: ql_inline.h
* Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656.
*/
#ifndef _QL_INLINE_H_
#define _QL_INLINE_H_
#define QL8_SEMLOCK_TIMEOUT 1000/* QLA8020 Semaphore Lock Timeout 10ms */
/*
* Inline functions for hardware semaphores
*/
/*
* Name: qla_sem_lock
* Function: Locks one of the semaphore registers (semaphore 2,3,5 & 7)
* If the id_reg is valid, then id_val is written into it.
* This is for debugging purpose
* Returns: 0 on success; otherwise its failed.
*/
static __inline int
qla_sem_lock(qla_host_t *ha, uint32_t sem_reg, uint32_t id_reg, uint32_t id_val)
{
int count = QL8_SEMLOCK_TIMEOUT;
while (count) {
if ((READ_REG32(ha, sem_reg) & BIT_0))
break;
count--;
if (!count)
return(-1);
qla_mdelay(__func__, 10);
}
if (id_reg)
WRITE_REG32(ha, id_reg, id_val);
return(0);
}
/*
* Name: qla_sem_unlock
* Function: Unlocks the semaphore registers (semaphore 2,3,5 & 7)
* previously locked by qla_sem_lock()
*/
static __inline void
qla_sem_unlock(qla_host_t *ha, uint32_t sem_reg)
{
READ_REG32(ha, sem_reg);
}
static __inline int
qla_get_ifq_snd_maxlen(qla_host_t *ha)
{
return(((NUM_TX_DESCRIPTORS * 4) - 1));
}
static __inline uint32_t
qla_get_optics(qla_host_t *ha)
{
uint32_t link_speed;
link_speed = READ_REG32(ha, Q8_LINK_SPEED_0);
if (ha->pci_func == 0)
link_speed = link_speed & 0xFF;
else
link_speed = (link_speed >> 8) & 0xFF;
switch (link_speed) {
case 0x1:
link_speed = IFM_100_FX;
break;
case 0x10:
link_speed = IFM_1000_SX;
break;
default:
if ((ha->hw.module_type == 0x4) ||
(ha->hw.module_type == 0x5) ||
(ha->hw.module_type == 0x6))
link_speed = (IFM_10G_TWINAX);
else
link_speed = (IFM_10G_LR | IFM_10G_SR);
break;
}
return(link_speed);
}
static __inline uint8_t *
qla_get_mac_addr(qla_host_t *ha)
{
return (ha->hw.mac_addr);
}
static __inline void
qla_set_hw_rcv_desc(qla_host_t *ha, uint32_t r_idx, uint32_t index,
uint32_t handle, bus_addr_t paddr, uint32_t buf_size)
{
volatile q80_recv_desc_t *rcv_desc;
rcv_desc = (q80_recv_desc_t *)ha->hw.dma_buf.rds_ring[r_idx].dma_b;
rcv_desc += index;
rcv_desc->handle = (uint16_t)handle;
rcv_desc->buf_size = buf_size;
rcv_desc->buf_addr = paddr;
return;
}
static __inline void
qla_init_hw_rcv_descriptors(qla_host_t *ha)
{
int i;
for (i = 0; i < ha->hw.num_rds_rings; i++)
bzero((void *)ha->hw.dma_buf.rds_ring[i].dma_b,
(sizeof(q80_recv_desc_t) * NUM_RX_DESCRIPTORS));
}
static __inline int
qla_lock(qla_host_t *ha, const char *str, uint32_t no_delay)
{
int ret = -1;
while (1) {
mtx_lock(&ha->hw_lock);
if (!ha->hw_lock_held) {
ha->hw_lock_held = 1;
ha->qla_lock = str;
ret = 0;
mtx_unlock(&ha->hw_lock);
break;
}
mtx_unlock(&ha->hw_lock);
if (no_delay)
break;
else
qla_mdelay(__func__, 1);
}
return (ret);
}
static __inline void
qla_unlock(qla_host_t *ha, const char *str)
{
mtx_lock(&ha->hw_lock);
ha->hw_lock_held = 0;
ha->qla_unlock = str;
mtx_unlock(&ha->hw_lock);
}
#endif /* #ifndef _QL_INLINE_H_ */
