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/*
* Copyright (C) 2005 - 2009 ServerEngines
* All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
* Contact Information:
* linux-drivers@serverengines.com
*
* ServerEngines
* 209 N. Fair Oaks Ave
* Sunnyvale, CA 94085
*/
/********* Mailbox door bell *************/
/* Used for driver communication with the FW.
* The software must write this register twice to post any command. First,
* it writes the register with hi=1 and the upper bits of the physical address
* for the MAILBOX structure. Software must poll the ready bit until this
* is acknowledged. Then, sotware writes the register with hi=0 with the lower
* bits in the address. It must poll the ready bit until the command is
* complete. Upon completion, the MAILBOX will contain a valid completion
* queue entry.
*/
#define MPU_MAILBOX_DB_OFFSET 0x160
#define MPU_MAILBOX_DB_RDY_MASK 0x1 /* bit 0 */
#define MPU_MAILBOX_DB_HI_MASK 0x2 /* bit 1 */
#define MPU_EP_CONTROL 0
/********** MPU semphore ******************/
#define MPU_EP_SEMAPHORE_OFFSET 0xac
#define EP_SEMAPHORE_POST_STAGE_MASK 0x0000FFFF
#define EP_SEMAPHORE_POST_ERR_MASK 0x1
#define EP_SEMAPHORE_POST_ERR_SHIFT 31
/* MPU semphore POST stage values */
#define POST_STAGE_AWAITING_HOST_RDY 0x1 /* FW awaiting goahead from host */
#define POST_STAGE_HOST_RDY 0x2 /* Host has given go-ahed to FW */
#define POST_STAGE_BE_RESET 0x3 /* Host wants to reset chip */
#define POST_STAGE_ARMFW_RDY 0xc000 /* FW is done with POST */
/********* Memory BAR register ************/
#define PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET 0xfc
/* Host Interrupt Enable, if set interrupts are enabled although "PCI Interrupt
* Disable" may still globally block interrupts in addition to individual
* interrupt masks; a mechanism for the device driver to block all interrupts
* atomically without having to arbitrate for the PCI Interrupt Disable bit
* with the OS.
*/
#define MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK (1 << 29) /* bit 29 */
/* PCI physical function number */
#define MEMBAR_CTRL_INT_CTRL_PFUNC_MASK 0x7 /* bits 26 - 28 */
#define MEMBAR_CTRL_INT_CTRL_PFUNC_SHIFT 26
/********* Event Q door bell *************/
#define DB_EQ_OFFSET DB_CQ_OFFSET
#define DB_EQ_RING_ID_MASK 0x1FF /* bits 0 - 8 */
/* Clear the interrupt for this eq */
#define DB_EQ_CLR_SHIFT (9) /* bit 9 */
/* Must be 1 */
#define DB_EQ_EVNT_SHIFT (10) /* bit 10 */
/* Number of event entries processed */
#define DB_EQ_NUM_POPPED_SHIFT (16) /* bits 16 - 28 */
/* Rearm bit */
#define DB_EQ_REARM_SHIFT (29) /* bit 29 */
/********* Compl Q door bell *************/
#define DB_CQ_OFFSET 0x120
#define DB_CQ_RING_ID_MASK 0x3FF /* bits 0 - 9 */
/* Number of event entries processed */
#define DB_CQ_NUM_POPPED_SHIFT (16) /* bits 16 - 28 */
/* Rearm bit */
#define DB_CQ_REARM_SHIFT (29) /* bit 29 */
/********** TX ULP door bell *************/
#define DB_TXULP1_OFFSET 0x60
#define DB_TXULP_RING_ID_MASK 0x7FF /* bits 0 - 10 */
/* Number of tx entries posted */
#define DB_TXULP_NUM_POSTED_SHIFT (16) /* bits 16 - 29 */
#define DB_TXULP_NUM_POSTED_MASK 0x3FFF /* bits 16 - 29 */
/********** RQ(erx) door bell ************/
#define DB_RQ_OFFSET 0x100
#define DB_RQ_RING_ID_MASK 0x3FF /* bits 0 - 9 */
/* Number of rx frags posted */
#define DB_RQ_NUM_POSTED_SHIFT (24) /* bits 24 - 31 */
/*
* BE descriptors: host memory data structures whose formats
* are hardwired in BE silicon.
*/
/* Event Queue Descriptor */
#define EQ_ENTRY_VALID_MASK 0x1 /* bit 0 */
#define EQ_ENTRY_RES_ID_MASK 0xFFFF /* bits 16 - 31 */
#define EQ_ENTRY_RES_ID_SHIFT 16
struct be_eq_entry {
u32 evt;
};
/* TX Queue Descriptor */
#define ETH_WRB_FRAG_LEN_MASK 0xFFFF
struct be_eth_wrb {
u32 frag_pa_hi; /* dword 0 */
u32 frag_pa_lo; /* dword 1 */
u32 rsvd0; /* dword 2 */
u32 frag_len; /* dword 3: bits 0 - 15 */
} __packed;
/* Pseudo amap definition for eth_hdr_wrb in which each bit of the
* actual structure is defined as a byte : used to calculate
* offset/shift/mask of each field */
struct amap_eth_hdr_wrb {
u8 rsvd0[32]; /* dword 0 */
u8 rsvd1[32]; /* dword 1 */
u8 complete; /* dword 2 */
u8 event;
u8 crc;
u8 forward;
u8 ipsec;
u8 mgmt;
u8 ipcs;
u8 udpcs;
u8 tcpcs;
u8 lso;
u8 vlan;
u8 gso[2];
u8 num_wrb[5];
u8 lso_mss[14];
u8 len[16]; /* dword 3 */
u8 vlan_tag[16];
} __packed;
struct be_eth_hdr_wrb {
u32 dw[4];
};
/* TX Compl Queue Descriptor */
/* Pseudo amap definition for eth_tx_compl in which each bit of the
* actual structure is defined as a byte: used to calculate
* offset/shift/mask of each field */
struct amap_eth_tx_compl {
u8 wrb_index[16]; /* dword 0 */
u8 ct[2]; /* dword 0 */
u8 port[2]; /* dword 0 */
u8 rsvd0[8]; /* dword 0 */
u8 status[4]; /* dword 0 */
u8 user_bytes[16]; /* dword 1 */
u8 nwh_bytes[8]; /* dword 1 */
u8 lso; /* dword 1 */
u8 cast_enc[2]; /* dword 1 */
u8 rsvd1[5]; /* dword 1 */
u8 rsvd2[32]; /* dword 2 */
u8 pkts[16]; /* dword 3 */
u8 ringid[11]; /* dword 3 */
u8 hash_val[4]; /* dword 3 */
u8 valid; /* dword 3 */
} __packed;
struct be_eth_tx_compl {
u32 dw[4];
};
/* RX Queue Descriptor */
struct be_eth_rx_d {
u32 fragpa_hi;
u32 fragpa_lo;
};
/* RX Compl Queue Descriptor */
/* Pseudo amap definition for eth_rx_compl in which each bit of the
* actual structure is defined as a byte: used to calculate
* offset/shift/mask of each field */
struct amap_eth_rx_compl {
u8 vlan_tag[16]; /* dword 0 */
u8 pktsize[14]; /* dword 0 */
u8 port; /* dword 0 */
u8 ip_opt; /* dword 0 */
u8 err; /* dword 1 */
u8 rsshp; /* dword 1 */
u8 ipf; /* dword 1 */
u8 tcpf; /* dword 1 */
u8 udpf; /* dword 1 */
u8 ipcksm; /* dword 1 */
u8 l4_cksm; /* dword 1 */
u8 ip_version; /* dword 1 */
u8 macdst[6]; /* dword 1 */
u8 vtp; /* dword 1 */
u8 rsvd0; /* dword 1 */
u8 fragndx[10]; /* dword 1 */
u8 ct[2]; /* dword 1 */
u8 sw; /* dword 1 */
u8 numfrags[3]; /* dword 1 */
u8 rss_flush; /* dword 2 */
u8 cast_enc[2]; /* dword 2 */
u8 qnq; /* dword 2 */
u8 rss_bank; /* dword 2 */
u8 rsvd1[23]; /* dword 2 */
u8 lro_pkt; /* dword 2 */
u8 rsvd2[2]; /* dword 2 */
u8 valid; /* dword 2 */
u8 rsshash[32]; /* dword 3 */
} __packed;
struct be_eth_rx_compl {
u32 dw[4];
};
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