| /* 57xx_iscsi_constants.h: Broadcom NetXtreme II iSCSI HSI |
| * |
| * Copyright (c) 2006 - 2009 Broadcom Corporation |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation. |
| * |
| * Written by: Anil Veerabhadrappa (anilgv@broadcom.com) |
| */ |
| #ifndef __57XX_ISCSI_CONSTANTS_H_ |
| #define __57XX_ISCSI_CONSTANTS_H_ |
| |
| /** |
| * This file defines HSI constants for the iSCSI flows |
| */ |
| |
| /* iSCSI request op codes */ |
| #define ISCSI_OPCODE_CLEANUP_REQUEST (7) |
| |
| /* iSCSI response/messages op codes */ |
| #define ISCSI_OPCODE_CLEANUP_RESPONSE (0x27) |
| #define ISCSI_OPCODE_NOPOUT_LOCAL_COMPLETION (0) |
| |
| /* iSCSI task types */ |
| #define ISCSI_TASK_TYPE_READ (0) |
| #define ISCSI_TASK_TYPE_WRITE (1) |
| #define ISCSI_TASK_TYPE_MPATH (2) |
| |
| /* initial CQ sequence numbers */ |
| #define ISCSI_INITIAL_SN (1) |
| |
| /* KWQ (kernel work queue) layer codes */ |
| #define ISCSI_KWQE_LAYER_CODE (6) |
| |
| /* KWQ (kernel work queue) request op codes */ |
| #define ISCSI_KWQE_OPCODE_OFFLOAD_CONN1 (0) |
| #define ISCSI_KWQE_OPCODE_OFFLOAD_CONN2 (1) |
| #define ISCSI_KWQE_OPCODE_UPDATE_CONN (2) |
| #define ISCSI_KWQE_OPCODE_DESTROY_CONN (3) |
| #define ISCSI_KWQE_OPCODE_INIT1 (4) |
| #define ISCSI_KWQE_OPCODE_INIT2 (5) |
| |
| /* KCQ (kernel completion queue) response op codes */ |
| #define ISCSI_KCQE_OPCODE_OFFLOAD_CONN (0x10) |
| #define ISCSI_KCQE_OPCODE_UPDATE_CONN (0x12) |
| #define ISCSI_KCQE_OPCODE_DESTROY_CONN (0x13) |
| #define ISCSI_KCQE_OPCODE_INIT (0x14) |
| #define ISCSI_KCQE_OPCODE_FW_CLEAN_TASK (0x15) |
| #define ISCSI_KCQE_OPCODE_TCP_RESET (0x16) |
| #define ISCSI_KCQE_OPCODE_TCP_SYN (0x17) |
| #define ISCSI_KCQE_OPCODE_TCP_FIN (0X18) |
| #define ISCSI_KCQE_OPCODE_TCP_ERROR (0x19) |
| #define ISCSI_KCQE_OPCODE_CQ_EVENT_NOTIFICATION (0x20) |
| #define ISCSI_KCQE_OPCODE_ISCSI_ERROR (0x21) |
| |
| /* KCQ (kernel completion queue) completion status */ |
| #define ISCSI_KCQE_COMPLETION_STATUS_SUCCESS (0x0) |
| #define ISCSI_KCQE_COMPLETION_STATUS_INVALID_OPCODE (0x1) |
| #define ISCSI_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE (0x2) |
| #define ISCSI_KCQE_COMPLETION_STATUS_CTX_FREE_FAILURE (0x3) |
| #define ISCSI_KCQE_COMPLETION_STATUS_NIC_ERROR (0x4) |
| |
| #define ISCSI_KCQE_COMPLETION_STATUS_HDR_DIG_ERR (0x5) |
| #define ISCSI_KCQE_COMPLETION_STATUS_DATA_DIG_ERR (0x6) |
| |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_UNEXPECTED_OPCODE (0xa) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_OPCODE (0xb) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_AHS_LEN (0xc) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ITT (0xd) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_STATSN (0xe) |
| |
| /* Response */ |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_EXP_DATASN (0xf) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T (0x10) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_IS_ZERO (0x2c) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_TOO_BIG (0x2d) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_0 (0x11) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_1 (0x12) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_2 (0x13) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_3 (0x14) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_4 (0x15) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_5 (0x16) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_6 (0x17) |
| |
| /* Data-In */ |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_RCV_LEN (0x18) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_RCV_PDU_LEN (0x19) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_F_BIT_ZERO (0x1a) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_NOT_RSRV (0x1b) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATASN (0x1c) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_BURST_LEN (0x1d) |
| |
| /* R2T */ |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_BUFFER_OFF (0x1f) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_LUN (0x20) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_R2TSN (0x21) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_0 (0x22) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_1 (0x23) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_EXCEED (0x24) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_IS_RSRV (0x25) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_BURST_LEN (0x26) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_NOT_ZERO (0x27) |
| |
| /* TMF */ |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REJECT_PDU_LEN (0x28) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ASYNC_PDU_LEN (0x29) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_NOPIN_PDU_LEN (0x2a) |
| #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_IN_CLEANUP (0x2b) |
| |
| /* IP/TCP processing errors: */ |
| #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_FRAGMENT (0x40) |
| #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_OPTIONS (0x41) |
| #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_URGENT_FLAG (0x42) |
| #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_MAX_RTRANS (0x43) |
| |
| /* iSCSI licensing errors */ |
| /* general iSCSI license not installed */ |
| #define ISCSI_KCQE_COMPLETION_STATUS_ISCSI_NOT_SUPPORTED (0x50) |
| /* additional LOM specific iSCSI license not installed */ |
| #define ISCSI_KCQE_COMPLETION_STATUS_LOM_ISCSI_NOT_ENABLED (0x51) |
| |
| #define ISCSI_KCQE_COMPLETION_STATUS_CID_BUSY (0x80) |
| |
| /* SQ/RQ/CQ DB structure sizes */ |
| #define ISCSI_SQ_DB_SIZE (16) |
| #define ISCSI_RQ_DB_SIZE (16) |
| #define ISCSI_CQ_DB_SIZE (80) |
| |
| #define ISCSI_SQN_TO_NOTIFY_NOT_VALID 0xFFFF |
| |
| /* Page size codes (for flags field in connection offload request) */ |
| #define ISCSI_PAGE_SIZE_256 (0) |
| #define ISCSI_PAGE_SIZE_512 (1) |
| #define ISCSI_PAGE_SIZE_1K (2) |
| #define ISCSI_PAGE_SIZE_2K (3) |
| #define ISCSI_PAGE_SIZE_4K (4) |
| #define ISCSI_PAGE_SIZE_8K (5) |
| #define ISCSI_PAGE_SIZE_16K (6) |
| #define ISCSI_PAGE_SIZE_32K (7) |
| #define ISCSI_PAGE_SIZE_64K (8) |
| #define ISCSI_PAGE_SIZE_128K (9) |
| #define ISCSI_PAGE_SIZE_256K (10) |
| #define ISCSI_PAGE_SIZE_512K (11) |
| #define ISCSI_PAGE_SIZE_1M (12) |
| #define ISCSI_PAGE_SIZE_2M (13) |
| #define ISCSI_PAGE_SIZE_4M (14) |
| #define ISCSI_PAGE_SIZE_8M (15) |
| |
| /* Iscsi PDU related defines */ |
| #define ISCSI_HEADER_SIZE (48) |
| #define ISCSI_DIGEST_SHIFT (2) |
| #define ISCSI_DIGEST_SIZE (4) |
| |
| #define B577XX_ISCSI_CONNECTION_TYPE 3 |
| |
| #endif /*__57XX_ISCSI_CONSTANTS_H_ */ |
