qls_def.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2013-2014 Qlogic Corporation
    5  * All rights reserved.
    6  *
    7  *  Redistribution and use in source and binary forms, with or without
    8  *  modification, are permitted provided that the following conditions
    9  *  are met:
   10  *
   11  *  1. Redistributions of source code must retain the above copyright
   12  *     notice, this list of conditions and the following disclaimer.
   13  *  2. Redistributions in binary form must reproduce the above copyright
   14  *     notice, this list of conditions and the following disclaimer in the
   15  *     documentation and/or other materials provided with the distribution.
   16  *
   17  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   18  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   21  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   22  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   23  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   24  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   25  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   26  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   27  *  POSSIBILITY OF SUCH DAMAGE.
   28  *
   29  * $FreeBSD$
   30  */
   31 
   32 /*
   33  * File: qls_def.h
   34  * Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656.
   35  */
   36 
   37 #ifndef _QLS_DEF_H_
   38 #define _QLS_DEF_H_
   39 
   40 /*
   41  * structure encapsulating a DMA buffer
   42  */
   43 struct qla_dma {
   44         bus_size_t              alignment;
   45         uint32_t                size;
   46         void                    *dma_b;
   47         bus_addr_t              dma_addr;
   48         bus_dmamap_t            dma_map;
   49         bus_dma_tag_t           dma_tag;
   50 };
   51 typedef struct qla_dma qla_dma_t;
   52 
   53 /*
   54  * structure encapsulating interrupt vectors
   55  */
   56 struct qla_ivec {
   57         uint32_t                cq_idx;
   58         void                    *ha;
   59         struct resource         *irq;
   60         void                    *handle;
   61         int                     irq_rid;
   62 };
   63 typedef struct qla_ivec qla_ivec_t;
   64 
   65 /*
   66  * Transmit Related Definitions
   67  */
   68 
   69 #define MAX_TX_RINGS            1
   70 #define NUM_TX_DESCRIPTORS      1024
   71 
   72 #define QLA_MAX_SEGMENTS        64      /* maximum # of segs in a sg list */
   73 #define QLA_OAL_BLK_SIZE        (sizeof (q81_txb_desc_t) * QLA_MAX_SEGMENTS)
   74 
   75 #define QLA_TX_OALB_TOTAL_SIZE  (NUM_TX_DESCRIPTORS * QLA_OAL_BLK_SIZE)
   76 
   77 #define QLA_TX_PRIVATE_BSIZE    ((QLA_TX_OALB_TOTAL_SIZE + \
   78                                         PAGE_SIZE + \
   79                                         (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1))
   80 
   81 #define QLA_MAX_MTU             9000
   82 #define QLA_STD_FRAME_SIZE      1514
   83 #define QLA_MAX_TSO_FRAME_SIZE  ((64 * 1024 - 1) + 22)
   84 
   85 #define QL_FRAME_HDR_SIZE       (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN +\
   86                 sizeof (struct ip6_hdr) + sizeof (struct tcphdr) + 16)
   87 
   88 struct qla_tx_buf {
   89         struct mbuf     *m_head;
   90         bus_dmamap_t    map;
   91 
   92         /* The number of entries in the OAL is determined by QLA_MAX_SEGMENTS */
   93         bus_addr_t      oal_paddr;
   94         void            *oal_vaddr; 
   95 };
   96 typedef struct qla_tx_buf qla_tx_buf_t;
   97 
   98 struct qla_tx_ring {
   99         volatile struct {
  100                 uint32_t        wq_dma:1,
  101                                 privb_dma:1;
  102         } flags;
  103 
  104         qla_dma_t               privb_dma;
  105         qla_dma_t               wq_dma;
  106 
  107         qla_tx_buf_t            tx_buf[NUM_TX_DESCRIPTORS];
  108         uint64_t                count;
  109 
  110         struct resource         *wq_db_addr;
  111         uint32_t                wq_db_offset;
  112 
  113         q81_tx_cmd_t            *wq_vaddr;
  114         bus_addr_t              wq_paddr;
  115 
  116         void                    *wq_icb_vaddr;
  117         bus_addr_t              wq_icb_paddr;
  118 
  119         uint32_t                *txr_cons_vaddr;
  120         bus_addr_t              txr_cons_paddr;
  121 
  122         volatile uint32_t       txr_free; /* # of free entries in tx ring */
  123         volatile uint32_t       txr_next; /* # next available tx ring entry */
  124         volatile uint32_t       txr_done;
  125 
  126         uint64_t                tx_frames;
  127         uint64_t                tx_tso_frames;
  128         uint64_t                tx_vlan_frames;
  129 };
  130 typedef struct qla_tx_ring qla_tx_ring_t;
  131 
  132 /*
  133  * Receive Related Definitions
  134  */
  135 
  136 #define MAX_RX_RINGS            MAX_TX_RINGS
  137 
  138 #define NUM_RX_DESCRIPTORS      1024
  139 #define NUM_CQ_ENTRIES          NUM_RX_DESCRIPTORS
  140 
  141 #define QLA_LGB_SIZE            (12 * 1024)
  142 #define QLA_NUM_LGB_ENTRIES     32
  143 
  144 #define QLA_LBQ_SIZE            (QLA_NUM_LGB_ENTRIES * sizeof(q81_bq_addr_e_t)) 
  145 
  146 #define QLA_LGBQ_AND_TABLE_SIZE \
  147         ((QLA_LBQ_SIZE + PAGE_SIZE + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1))
  148 
  149 /* Please note that Small Buffer size is determined by max mtu size */
  150 #define QLA_NUM_SMB_ENTRIES     NUM_RX_DESCRIPTORS
  151 
  152 #define QLA_SBQ_SIZE            (QLA_NUM_SMB_ENTRIES * sizeof(q81_bq_addr_e_t))
  153 
  154 #define QLA_SMBQ_AND_TABLE_SIZE \
  155         ((QLA_SBQ_SIZE + PAGE_SIZE + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1))
  156 
  157 struct qla_rx_buf {
  158         struct mbuf     *m_head;
  159         bus_dmamap_t    map;
  160         bus_addr_t      paddr;
  161         void            *next;
  162 };
  163 typedef struct qla_rx_buf qla_rx_buf_t;
  164 
  165 struct qla_rx_ring {
  166         volatile struct {
  167                 uint32_t        cq_dma:1,
  168                                 lbq_dma:1,
  169                                 sbq_dma:1,
  170                                 lb_dma:1;
  171         } flags;
  172 
  173         qla_dma_t               cq_dma;
  174         qla_dma_t               lbq_dma;
  175         qla_dma_t               sbq_dma;
  176         qla_dma_t               lb_dma;
  177 
  178         struct lro_ctrl         lro;
  179 
  180         qla_rx_buf_t            rx_buf[NUM_RX_DESCRIPTORS];
  181         qla_rx_buf_t            *rxb_free;
  182         uint32_t                rx_free;
  183         uint32_t                rx_next;
  184 
  185         uint32_t                cq_db_offset;
  186 
  187         void                    *cq_icb_vaddr;
  188         bus_addr_t              cq_icb_paddr;
  189 
  190         uint32_t                *cqi_vaddr;
  191         bus_addr_t              cqi_paddr;
  192 
  193         void                    *cq_base_vaddr;
  194         bus_addr_t              cq_base_paddr;
  195         uint32_t                cq_next; /* next cq entry to process */
  196 
  197         void                    *lbq_addr_tbl_vaddr;
  198         bus_addr_t              lbq_addr_tbl_paddr;
  199 
  200         void                    *lbq_vaddr;
  201         bus_addr_t              lbq_paddr;
  202         uint32_t                lbq_next; /* next entry in LBQ to process */
  203         uint32_t                lbq_free;/* # of entries in LBQ to arm */
  204         uint32_t                lbq_in; /* next entry in LBQ to arm */
  205 
  206         void                    *lb_vaddr;
  207         bus_addr_t              lb_paddr;
  208 
  209         void                    *sbq_addr_tbl_vaddr;
  210         bus_addr_t              sbq_addr_tbl_paddr;
  211 
  212         void                    *sbq_vaddr;
  213         bus_addr_t              sbq_paddr;
  214         uint32_t                sbq_next; /* next entry in SBQ to process */
  215         uint32_t                sbq_free;/* # of entries in SBQ to arm */
  216         uint32_t                sbq_in; /* next entry in SBQ to arm */
  217 
  218         uint64_t                rx_int;
  219         uint64_t                rss_int;
  220 };
  221 typedef struct qla_rx_ring qla_rx_ring_t;
  222 
  223 #define QLA_WATCHDOG_CALLOUT_TICKS      1
  224 
  225 /*
  226  * Multicast Definitions
  227  */
  228 typedef struct _qla_mcast {
  229         uint16_t        rsrvd;
  230         uint8_t         addr[6];
  231 } __packed qla_mcast_t;
  232 
  233 /*
  234  * Misc. definitions
  235  */
  236 #define QLA_PAGE_SIZE           4096
  237 
  238 /*
  239  * Adapter structure contains the hardware independent information of the
  240  * pci function.
  241  */
  242 struct qla_host {
  243         volatile struct {
  244                 volatile uint32_t
  245                         mpi_dma                 :1,
  246                         rss_dma                 :1,
  247                         intr_enable             :1,
  248                         qla_callout_init        :1,
  249                         qla_watchdog_active     :1,
  250                         qla_watchdog_exit       :1,
  251                         qla_watchdog_pause      :1,
  252                         lro_init                :1,
  253                         parent_tag              :1,
  254                         lock_init               :1;
  255         } flags;
  256 
  257         volatile uint32_t       hw_init;
  258 
  259         volatile uint32_t       qla_watchdog_exited;
  260         volatile uint32_t       qla_watchdog_paused;
  261         volatile uint32_t       qla_initiate_recovery;
  262 
  263         device_t                pci_dev;
  264 
  265         uint8_t                 pci_func;
  266         uint16_t                watchdog_ticks;
  267         uint8_t                 resvd;
  268 
  269         /* ioctl related */
  270         struct cdev             *ioctl_dev;
  271 
  272         /* register mapping */
  273         struct resource         *pci_reg;
  274         int                     reg_rid;
  275 
  276         struct resource         *pci_reg1;
  277         int                     reg_rid1;
  278 
  279         int                     msix_count;
  280         qla_ivec_t              irq_vec[MAX_RX_RINGS];
  281 
  282         /* parent dma tag */
  283         bus_dma_tag_t           parent_tag;
  284 
  285         /* interface to o.s */
  286         struct ifnet            *ifp;
  287 
  288         struct ifmedia          media;
  289         uint16_t                max_frame_size;
  290         uint16_t                rsrvd0;
  291         uint32_t                msize;
  292         int                     if_flags;
  293 
  294         /* hardware access lock */
  295         struct mtx              hw_lock;
  296         volatile uint32_t       hw_lock_held;
  297 
  298         uint32_t                vm_pgsize;
  299         /* transmit related */
  300         uint32_t                num_tx_rings;
  301         qla_tx_ring_t           tx_ring[MAX_TX_RINGS];
  302                                                 
  303         bus_dma_tag_t           tx_tag;
  304         struct task             tx_task;
  305         struct taskqueue        *tx_tq;
  306         struct callout          tx_callout;
  307         struct mtx              tx_lock;
  308 
  309         /* receive related */
  310         uint32_t                num_rx_rings;
  311         qla_rx_ring_t           rx_ring[MAX_RX_RINGS];
  312         bus_dma_tag_t           rx_tag;
  313 
  314         /* stats */
  315         uint32_t                err_m_getcl;
  316         uint32_t                err_m_getjcl;
  317         uint32_t                err_tx_dmamap_create;
  318         uint32_t                err_tx_dmamap_load;
  319         uint32_t                err_tx_defrag;
  320 
  321         /* mac address related */
  322         uint8_t                 mac_rcv_mode;
  323         uint8_t                 mac_addr[ETHER_ADDR_LEN];
  324         uint32_t                nmcast;
  325         qla_mcast_t             mcast[Q8_MAX_NUM_MULTICAST_ADDRS];
  326 
  327         /* Link Related */
  328         uint8_t                 link_up;
  329         uint32_t                link_status;
  330         uint32_t                link_down_info;
  331         uint32_t                link_hw_info;
  332         uint32_t                link_dcbx_counters;
  333         uint32_t                link_change_counters;
  334 
  335         /* Flash Related */
  336         q81_flash_t             flash;
  337 
  338         /* debug stuff */
  339         volatile const char     *qla_lock;
  340         volatile const char     *qla_unlock;
  341 
  342         /* Error Recovery Related */
  343         uint32_t                err_inject;
  344         struct task             err_task;
  345         struct taskqueue        *err_tq;
  346 
  347         /* Chip related */
  348         uint32_t                rev_id;
  349 
  350         /* mailbox completions */
  351         uint32_t                aen[Q81_NUM_AEN_REGISTERS];
  352         uint32_t                mbox[Q81_NUM_MBX_REGISTERS];
  353         volatile uint32_t       mbx_done;
  354 
  355         /* mpi dump related */
  356         qla_dma_t               mpi_dma;
  357         qla_dma_t               rss_dma;
  358 
  359 };
  360 typedef struct qla_host qla_host_t;
  361 
  362 /* note that align has to be a power of 2 */
  363 #define QL_ALIGN(size, align) (((size) + ((align) - 1)) & (~((align) - 1)))
  364 #define QL_MIN(x, y) ((x < y) ? x : y)
  365 
  366 #define QL_RUNNING(ifp) \
  367                 ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) == \
  368                         IFF_DRV_RUNNING)
  369 
  370 /* Return 0, if identical, else 1 */
  371 
  372 #define QL_MAC_CMP(mac1, mac2)    \
  373         ((((*(uint32_t *) mac1) == (*(uint32_t *) mac2) && \
  374         (*(uint16_t *)(mac1 + 4)) == (*(uint16_t *)(mac2 + 4)))) ? 0 : 1)
  375 
  376 #endif /* #ifndef _QLS_DEF_H_ */
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FreeBSD/Linux Kernel Cross Reference sys/dev/qlxge/qls_def.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/qlxge/qls_def.h
