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freebsd/sys/dev/qlxge/qls_def.h
David C Somayajulu 711bcba0bb Add Qlogic 10Gb Ethernet Driver for Qlogic 8100 Series CNA Adapter
Driver version (v2.0.0)

Submitted by: David C Somayajulu (davidcs@freebsd.org) QLogic Corporation
Approved by: George Neville-Neil (gnn@freebsd.org)
2013-06-25 17:50:22 +00:00

378 lines
8.8 KiB
C

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