![Sathya Perla](/assets/img/avatar_default.png)
Signed-off-by: Sathya Perla <sathyap@serverengines.com> Signed-off-by: David S. Miller <davem@davemloft.net>
212 lines
6.4 KiB
C
212 lines
6.4 KiB
C
/*
|
|
* 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];
|
|
};
|