378 lines
8.8 KiB
C
378 lines
8.8 KiB
C
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/*
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* Copyright (c) 2013-2014 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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* $FreeBSD$
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*/
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/*
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* File: qls_def.h
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* Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656.
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*/
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#ifndef _QLS_DEF_H_
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#define _QLS_DEF_H_
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/*
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* structure encapsulating a DMA buffer
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*/
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struct qla_dma {
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bus_size_t alignment;
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uint32_t size;
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void *dma_b;
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bus_addr_t dma_addr;
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bus_dmamap_t dma_map;
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bus_dma_tag_t dma_tag;
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};
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typedef struct qla_dma qla_dma_t;
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/*
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* structure encapsulating interrupt vectors
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*/
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struct qla_ivec {
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uint32_t cq_idx;
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void *ha;
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struct resource *irq;
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void *handle;
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int irq_rid;
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};
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typedef struct qla_ivec qla_ivec_t;
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/*
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* Transmit Related Definitions
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*/
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#define MAX_TX_RINGS 1
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#define NUM_TX_DESCRIPTORS 1024
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#define QLA_MAX_SEGMENTS 64 /* maximum # of segs in a sg list */
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#define QLA_OAL_BLK_SIZE (sizeof (q81_txb_desc_t) * QLA_MAX_SEGMENTS)
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#define QLA_TX_OALB_TOTAL_SIZE (NUM_TX_DESCRIPTORS * QLA_OAL_BLK_SIZE)
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#define QLA_TX_PRIVATE_BSIZE ((QLA_TX_OALB_TOTAL_SIZE + \
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PAGE_SIZE + \
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(PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1))
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#define QLA_MAX_MTU 9000
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#define QLA_STD_FRAME_SIZE 1514
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#define QLA_MAX_TSO_FRAME_SIZE ((64 * 1024 - 1) + 22)
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#define QL_FRAME_HDR_SIZE (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN +\
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sizeof (struct ip6_hdr) + sizeof (struct tcphdr) + 16)
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struct qla_tx_buf {
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struct mbuf *m_head;
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bus_dmamap_t map;
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/* The number of entries in the OAL is determined by QLA_MAX_SEGMENTS */
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bus_addr_t oal_paddr;
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void *oal_vaddr;
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};
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typedef struct qla_tx_buf qla_tx_buf_t;
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struct qla_tx_ring {
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volatile struct {
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uint32_t wq_dma:1,
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privb_dma:1;
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} flags;
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qla_dma_t privb_dma;
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qla_dma_t wq_dma;
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qla_tx_buf_t tx_buf[NUM_TX_DESCRIPTORS];
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uint64_t count;
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struct resource *wq_db_addr;
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uint32_t wq_db_offset;
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q81_tx_cmd_t *wq_vaddr;
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bus_addr_t wq_paddr;
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void *wq_icb_vaddr;
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bus_addr_t wq_icb_paddr;
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uint32_t *txr_cons_vaddr;
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bus_addr_t txr_cons_paddr;
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volatile uint32_t txr_free; /* # of free entries in tx ring */
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volatile uint32_t txr_next; /* # next available tx ring entry */
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volatile uint32_t txr_done;
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uint64_t tx_frames;
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uint64_t tx_tso_frames;
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uint64_t tx_vlan_frames;
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};
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typedef struct qla_tx_ring qla_tx_ring_t;
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/*
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* Receive Related Definitions
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*/
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#define MAX_RX_RINGS MAX_TX_RINGS
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#define NUM_RX_DESCRIPTORS 1024
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#define NUM_CQ_ENTRIES NUM_RX_DESCRIPTORS
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#define QLA_LGB_SIZE (12 * 1024)
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#define QLA_NUM_LGB_ENTRIES 32
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#define QLA_LBQ_SIZE (QLA_NUM_LGB_ENTRIES * sizeof(q81_bq_addr_e_t))
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#define QLA_LGBQ_AND_TABLE_SIZE \
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((QLA_LBQ_SIZE + PAGE_SIZE + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1))
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/* Please note that Small Buffer size is determined by max mtu size */
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#define QLA_NUM_SMB_ENTRIES NUM_RX_DESCRIPTORS
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#define QLA_SBQ_SIZE (QLA_NUM_SMB_ENTRIES * sizeof(q81_bq_addr_e_t))
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#define QLA_SMBQ_AND_TABLE_SIZE \
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((QLA_SBQ_SIZE + PAGE_SIZE + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1))
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struct qla_rx_buf {
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struct mbuf *m_head;
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bus_dmamap_t map;
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bus_addr_t paddr;
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void *next;
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};
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typedef struct qla_rx_buf qla_rx_buf_t;
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struct qla_rx_ring {
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volatile struct {
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uint32_t cq_dma:1,
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lbq_dma:1,
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sbq_dma:1,
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lb_dma:1;
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} flags;
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qla_dma_t cq_dma;
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qla_dma_t lbq_dma;
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qla_dma_t sbq_dma;
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qla_dma_t lb_dma;
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struct lro_ctrl lro;
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qla_rx_buf_t rx_buf[NUM_RX_DESCRIPTORS];
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qla_rx_buf_t *rxb_free;
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uint32_t rx_free;
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uint32_t rx_next;
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uint32_t cq_db_offset;
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void *cq_icb_vaddr;
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bus_addr_t cq_icb_paddr;
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uint32_t *cqi_vaddr;
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bus_addr_t cqi_paddr;
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void *cq_base_vaddr;
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bus_addr_t cq_base_paddr;
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uint32_t cq_next; /* next cq entry to process */
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void *lbq_addr_tbl_vaddr;
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bus_addr_t lbq_addr_tbl_paddr;
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void *lbq_vaddr;
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bus_addr_t lbq_paddr;
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uint32_t lbq_next; /* next entry in LBQ to process */
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uint32_t lbq_free;/* # of entries in LBQ to arm */
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uint32_t lbq_in; /* next entry in LBQ to arm */
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void *lb_vaddr;
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bus_addr_t lb_paddr;
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void *sbq_addr_tbl_vaddr;
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bus_addr_t sbq_addr_tbl_paddr;
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void *sbq_vaddr;
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bus_addr_t sbq_paddr;
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uint32_t sbq_next; /* next entry in SBQ to process */
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uint32_t sbq_free;/* # of entries in SBQ to arm */
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uint32_t sbq_in; /* next entry in SBQ to arm */
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uint64_t rx_int;
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uint64_t rss_int;
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};
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typedef struct qla_rx_ring qla_rx_ring_t;
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#define QLA_WATCHDOG_CALLOUT_TICKS 1
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/*
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* Multicast Definitions
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*/
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typedef struct _qla_mcast {
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uint16_t rsrvd;
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uint8_t addr[6];
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} __packed qla_mcast_t;
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/*
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* Misc. definitions
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*/
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#define QLA_PAGE_SIZE 4096
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/*
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* Adapter structure contains the hardware independant information of the
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* pci function.
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*/
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struct qla_host {
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volatile struct {
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volatile uint32_t
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mpi_dma :1,
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rss_dma :1,
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intr_enable :1,
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qla_callout_init :1,
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qla_watchdog_active :1,
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qla_watchdog_exit :1,
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qla_watchdog_pause :1,
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lro_init :1,
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parent_tag :1,
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lock_init :1;
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} flags;
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volatile uint32_t hw_init;
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volatile uint32_t qla_watchdog_exited;
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volatile uint32_t qla_watchdog_paused;
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volatile uint32_t qla_initiate_recovery;
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device_t pci_dev;
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uint8_t pci_func;
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uint16_t watchdog_ticks;
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uint8_t resvd;
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/* ioctl related */
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struct cdev *ioctl_dev;
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/* register mapping */
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struct resource *pci_reg;
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int reg_rid;
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struct resource *pci_reg1;
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int reg_rid1;
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int msix_count;
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qla_ivec_t irq_vec[MAX_RX_RINGS];
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/* parent dma tag */
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bus_dma_tag_t parent_tag;
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/* interface to o.s */
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struct ifnet *ifp;
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struct ifmedia media;
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uint16_t max_frame_size;
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uint16_t rsrvd0;
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uint32_t msize;
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int if_flags;
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/* hardware access lock */
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struct mtx hw_lock;
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volatile uint32_t hw_lock_held;
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uint32_t vm_pgsize;
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/* transmit related */
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uint32_t num_tx_rings;
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qla_tx_ring_t tx_ring[MAX_TX_RINGS];
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bus_dma_tag_t tx_tag;
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struct task tx_task;
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struct taskqueue *tx_tq;
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struct callout tx_callout;
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struct mtx tx_lock;
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/* receive related */
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uint32_t num_rx_rings;
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qla_rx_ring_t rx_ring[MAX_RX_RINGS];
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bus_dma_tag_t rx_tag;
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/* stats */
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uint32_t err_m_getcl;
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uint32_t err_m_getjcl;
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uint32_t err_tx_dmamap_create;
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uint32_t err_tx_dmamap_load;
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uint32_t err_tx_defrag;
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/* mac address related */
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uint8_t mac_rcv_mode;
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uint8_t mac_addr[ETHER_ADDR_LEN];
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uint32_t nmcast;
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qla_mcast_t mcast[Q8_MAX_NUM_MULTICAST_ADDRS];
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/* Link Related */
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uint8_t link_up;
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uint32_t link_status;
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uint32_t link_down_info;
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uint32_t link_hw_info;
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uint32_t link_dcbx_counters;
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uint32_t link_change_counters;
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/* Flash Related */
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q81_flash_t flash;
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/* debug stuff */
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volatile const char *qla_lock;
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volatile const char *qla_unlock;
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/* Error Recovery Related */
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uint32_t err_inject;
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struct task err_task;
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struct taskqueue *err_tq;
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/* Chip related */
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uint32_t rev_id;
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/* mailbox completions */
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uint32_t aen[Q81_NUM_AEN_REGISTERS];
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uint32_t mbox[Q81_NUM_MBX_REGISTERS];
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volatile uint32_t mbx_done;
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/* mpi dump related */
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qla_dma_t mpi_dma;
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qla_dma_t rss_dma;
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};
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typedef struct qla_host qla_host_t;
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/* note that align has to be a power of 2 */
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#define QL_ALIGN(size, align) (size + (align - 1)) & ~(align - 1);
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#define QL_MIN(x, y) ((x < y) ? x : y)
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#define QL_RUNNING(ifp) \
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((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) == \
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IFF_DRV_RUNNING)
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/* Return 0, if identical, else 1 */
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#define QL_MAC_CMP(mac1, mac2) \
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((((*(uint32_t *) mac1) == (*(uint32_t *) mac2) && \
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(*(uint16_t *)(mac1 + 4)) == (*(uint16_t *)(mac2 + 4)))) ? 0 : 1)
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#endif /* #ifndef _QLS_DEF_H_ */
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