214 lines
4.9 KiB
C
214 lines
4.9 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2013-2016 Qlogic Corporation
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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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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* File: ql_inline.h
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* Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656.
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*/
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#ifndef _QL_INLINE_H_
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#define _QL_INLINE_H_
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#define QL8_SEMLOCK_TIMEOUT 1000/* QLA8020 Semaphore Lock Timeout 10ms */
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/*
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* Inline functions for hardware semaphores
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*/
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/*
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* Name: qla_sem_lock
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* Function: Locks one of the semaphore registers (semaphore 2,3,5 & 7)
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* If the id_reg is valid, then id_val is written into it.
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* This is for debugging purpose
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* Returns: 0 on success; otherwise its failed.
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*/
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static __inline int
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qla_sem_lock(qla_host_t *ha, uint32_t sem_reg, uint32_t id_reg, uint32_t id_val)
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{
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int count = QL8_SEMLOCK_TIMEOUT;
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while (count) {
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if ((READ_REG32(ha, sem_reg) & BIT_0))
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break;
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count--;
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if (!count)
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return(-1);
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qla_mdelay(__func__, 10);
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}
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if (id_reg)
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WRITE_REG32(ha, id_reg, id_val);
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return(0);
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}
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/*
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* Name: qla_sem_unlock
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* Function: Unlocks the semaphore registers (semaphore 2,3,5 & 7)
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* previously locked by qla_sem_lock()
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*/
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static __inline void
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qla_sem_unlock(qla_host_t *ha, uint32_t sem_reg)
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{
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READ_REG32(ha, sem_reg);
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}
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static __inline int
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qla_get_ifq_snd_maxlen(qla_host_t *ha)
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{
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return(((NUM_TX_DESCRIPTORS * 4) - 1));
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}
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static __inline uint32_t
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qla_get_optics(qla_host_t *ha)
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{
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uint32_t link_speed;
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link_speed = READ_REG32(ha, Q8_LINK_SPEED_0);
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if (ha->pci_func == 0)
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link_speed = link_speed & 0xFF;
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else
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link_speed = (link_speed >> 8) & 0xFF;
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switch (link_speed) {
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case 0x1:
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link_speed = IFM_100_FX;
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break;
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case 0x10:
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link_speed = IFM_1000_SX;
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break;
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default:
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if ((ha->hw.module_type == 0x4) ||
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(ha->hw.module_type == 0x5) ||
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(ha->hw.module_type == 0x6))
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link_speed = (IFM_10G_TWINAX);
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else
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link_speed = (IFM_10G_LR | IFM_10G_SR);
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break;
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}
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return(link_speed);
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}
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static __inline uint8_t *
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qla_get_mac_addr(qla_host_t *ha)
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{
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return (ha->hw.mac_addr);
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}
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static __inline void
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qla_set_hw_rcv_desc(qla_host_t *ha, uint32_t r_idx, uint32_t index,
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uint32_t handle, bus_addr_t paddr, uint32_t buf_size)
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{
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volatile q80_recv_desc_t *rcv_desc;
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rcv_desc = (q80_recv_desc_t *)ha->hw.dma_buf.rds_ring[r_idx].dma_b;
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rcv_desc += index;
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rcv_desc->handle = (uint16_t)handle;
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rcv_desc->buf_size = buf_size;
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rcv_desc->buf_addr = paddr;
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return;
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}
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static __inline void
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qla_init_hw_rcv_descriptors(qla_host_t *ha)
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{
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int i;
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for (i = 0; i < ha->hw.num_rds_rings; i++)
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bzero((void *)ha->hw.dma_buf.rds_ring[i].dma_b,
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(sizeof(q80_recv_desc_t) * NUM_RX_DESCRIPTORS));
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}
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#define QLA_LOCK_DEFAULT_MS_TIMEOUT 3000
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#ifndef QLA_LOCK_NO_SLEEP
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#define QLA_LOCK_NO_SLEEP 0
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#endif
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static __inline int
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qla_lock(qla_host_t *ha, const char *str, uint32_t timeout_ms,
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uint32_t no_sleep)
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{
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int ret = -1;
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while (1) {
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mtx_lock(&ha->hw_lock);
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if (ha->qla_detach_active || ha->offline) {
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mtx_unlock(&ha->hw_lock);
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break;
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}
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if (!ha->hw_lock_held) {
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ha->hw_lock_held = 1;
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ha->qla_lock = str;
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ret = 0;
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mtx_unlock(&ha->hw_lock);
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break;
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}
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mtx_unlock(&ha->hw_lock);
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if (--timeout_ms == 0) {
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ha->hw_lock_failed++;
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break;
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} else {
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if (no_sleep)
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DELAY(1000);
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else
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qla_mdelay(__func__, 1);
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}
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}
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// if (!ha->enable_error_recovery)
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// device_printf(ha->pci_dev, "%s: %s ret = %d\n", __func__,
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// str,ret);
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return (ret);
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}
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static __inline void
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qla_unlock(qla_host_t *ha, const char *str)
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{
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mtx_lock(&ha->hw_lock);
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ha->hw_lock_held = 0;
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ha->qla_unlock = str;
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mtx_unlock(&ha->hw_lock);
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// if (!ha->enable_error_recovery)
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// device_printf(ha->pci_dev, "%s: %s\n", __func__, str);
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return;
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}
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#endif /* #ifndef _QL_INLINE_H_ */
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