2 * CXL Flash Device Driver
7 * Copyright (C) 2015 IBM Corporation
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version
12 * 2 of the License, or (at your option) any later version.
15 #ifndef _CXLFLASH_MAIN_H
16 #define _CXLFLASH_MAIN_H
18 #include <linux/list.h>
19 #include <linux/types.h>
20 #include <scsi/scsi.h>
21 #include <scsi/scsi_device.h>
23 #define CXLFLASH_NAME "cxlflash"
24 #define CXLFLASH_ADAPTER_NAME "IBM POWER CXL Flash Adapter"
26 #define PCI_DEVICE_ID_IBM_CORSA 0x04F0
27 #define PCI_DEVICE_ID_IBM_FLASH_GT 0x0600
28 #define PCI_DEVICE_ID_IBM_BRIARD 0x0624
30 /* Since there is only one target, make it 0 */
31 #define CXLFLASH_TARGET 0
32 #define CXLFLASH_MAX_CDB_LEN 16
34 /* Really only one target per bus since the Texan is directly attached */
35 #define CXLFLASH_MAX_NUM_TARGETS_PER_BUS 1
36 #define CXLFLASH_MAX_NUM_LUNS_PER_TARGET 65536
38 #define CXLFLASH_PCI_ERROR_RECOVERY_TIMEOUT (120 * HZ)
41 #define FC_MTIP_CMDCONFIG 0x010
42 #define FC_MTIP_STATUS 0x018
44 #define FC_PNAME 0x300
45 #define FC_CONFIG 0x320
46 #define FC_CONFIG2 0x328
47 #define FC_STATUS 0x330
48 #define FC_ERROR 0x380
49 #define FC_ERRCAP 0x388
50 #define FC_ERRMSK 0x390
51 #define FC_CNT_CRCERR 0x538
52 #define FC_CRC_THRESH 0x580
54 #define FC_MTIP_CMDCONFIG_ONLINE 0x20ULL
55 #define FC_MTIP_CMDCONFIG_OFFLINE 0x40ULL
57 #define FC_MTIP_STATUS_MASK 0x30ULL
58 #define FC_MTIP_STATUS_ONLINE 0x20ULL
59 #define FC_MTIP_STATUS_OFFLINE 0x10ULL
61 /* TIMEOUT and RETRY definitions */
63 /* AFU command timeout values */
64 #define MC_AFU_SYNC_TIMEOUT 5 /* 5 secs */
66 /* AFU command room retry limit */
67 #define MC_ROOM_RETRY_CNT 10
69 /* FC CRC clear periodic timer */
70 #define MC_CRC_THRESH 100 /* threshold in 5 mins */
72 #define FC_PORT_STATUS_RETRY_CNT 100 /* 100 100ms retries = 10 seconds */
73 #define FC_PORT_STATUS_RETRY_INTERVAL_US 100000 /* microseconds */
76 #define CXLFLASH_VPD_LEN 256
78 #define WWPN_BUF_LEN (WWPN_LEN + 1)
88 struct dev_dependent_vals {
91 #define CXLFLASH_NOTIFY_SHUTDOWN 0x0000000000000001ULL
94 struct asyc_intr_info {
99 #define CLR_FC_ERROR 0x01
100 #define LINK_RESET 0x02
101 #define SCAN_HOST 0x04
104 #endif /* _CXLFLASH_MAIN_H */