diff options
Diffstat (limited to 'drivers/net/benet/be_hw.h')
| -rw-r--r-- | drivers/net/benet/be_hw.h | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/drivers/net/benet/be_hw.h b/drivers/net/benet/be_hw.h new file mode 100644 index 000000000000..b132aa4893ca --- /dev/null +++ b/drivers/net/benet/be_hw.h @@ -0,0 +1,211 @@ +/* + * 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]; +}; |