These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / scsi / cxlflash / main.h

diff --git a/kernel/drivers/scsi/cxlflash/main.h b/kernel/drivers/scsi/cxlflash/main.h
new file mode 100644 (file)
index 0000000..6032456
--- /dev/null
+++ b/kernel/drivers/scsi/cxlflash/main.h
@@ -0,0 +1,109 @@
+/*
+ * CXL Flash Device Driver
+ *
+ * Written by: Manoj N. Kumar <manoj@linux.vnet.ibm.com>, IBM Corporation
+ *             Matthew R. Ochs <mrochs@linux.vnet.ibm.com>, IBM Corporation
+ *
+ * Copyright (C) 2015 IBM 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; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _CXLFLASH_MAIN_H
+#define _CXLFLASH_MAIN_H
+
+#include <linux/list.h>
+#include <linux/types.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_device.h>
+
+#define CXLFLASH_NAME          "cxlflash"
+#define CXLFLASH_ADAPTER_NAME  "IBM POWER CXL Flash Adapter"
+#define CXLFLASH_DRIVER_DATE   "(August 13, 2015)"
+
+#define PCI_DEVICE_ID_IBM_CORSA        0x04F0
+#define CXLFLASH_SUBS_DEV_ID   0x04F0
+
+/* Since there is only one target, make it 0 */
+#define CXLFLASH_TARGET                0
+#define CXLFLASH_MAX_CDB_LEN   16
+
+/* Really only one target per bus since the Texan is directly attached */
+#define CXLFLASH_MAX_NUM_TARGETS_PER_BUS       1
+#define CXLFLASH_MAX_NUM_LUNS_PER_TARGET       65536
+
+#define CXLFLASH_PCI_ERROR_RECOVERY_TIMEOUT    (120 * HZ)
+
+#define NUM_FC_PORTS   CXLFLASH_NUM_FC_PORTS   /* ports per AFU */
+
+/* FC defines */
+#define FC_MTIP_CMDCONFIG 0x010
+#define FC_MTIP_STATUS 0x018
+
+#define FC_PNAME 0x300
+#define FC_CONFIG 0x320
+#define FC_CONFIG2 0x328
+#define FC_STATUS 0x330
+#define FC_ERROR 0x380
+#define FC_ERRCAP 0x388
+#define FC_ERRMSK 0x390
+#define FC_CNT_CRCERR 0x538
+#define FC_CRC_THRESH 0x580
+
+#define FC_MTIP_CMDCONFIG_ONLINE       0x20ULL
+#define FC_MTIP_CMDCONFIG_OFFLINE      0x40ULL
+
+#define FC_MTIP_STATUS_MASK            0x30ULL
+#define FC_MTIP_STATUS_ONLINE          0x20ULL
+#define FC_MTIP_STATUS_OFFLINE         0x10ULL
+
+/* TIMEOUT and RETRY definitions */
+
+/* AFU command timeout values */
+#define MC_AFU_SYNC_TIMEOUT    5       /* 5 secs */
+
+/* AFU command room retry limit */
+#define MC_ROOM_RETRY_CNT      10
+
+/* FC CRC clear periodic timer */
+#define MC_CRC_THRESH 100      /* threshold in 5 mins */
+
+#define FC_PORT_STATUS_RETRY_CNT 100   /* 100 100ms retries = 10 seconds */
+#define FC_PORT_STATUS_RETRY_INTERVAL_US 100000        /* microseconds */
+
+/* VPD defines */
+#define CXLFLASH_VPD_LEN       256
+#define WWPN_LEN       16
+#define WWPN_BUF_LEN   (WWPN_LEN + 1)
+
+enum undo_level {
+       RELEASE_CONTEXT = 0,
+       FREE_IRQ,
+       UNMAP_ONE,
+       UNMAP_TWO,
+       UNMAP_THREE,
+       UNDO_START
+};
+
+struct dev_dependent_vals {
+       u64 max_sectors;
+};
+
+struct asyc_intr_info {
+       u64 status;
+       char *desc;
+       u8 port;
+       u8 action;
+#define CLR_FC_ERROR   0x01
+#define LINK_RESET     0x02
+#define SCAN_HOST      0x04
+};
+
+#ifndef CONFIG_CXL_EEH
+#define cxl_perst_reloads_same_image(_a, _b) do { } while (0)
+#endif
+
+#endif /* _CXLFLASH_MAIN_H */