| /* |
| * 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]; |
| }; |