// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Filename: core.c
*
* Authors: Joshua Morris <josh.h.morris@us.ibm.com>
* Philip Kelleher <pjk1939@linux.vnet.ibm.com>
*
* (C) Copyright 2013 IBM Corporation
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/reboot.h>
#include <linux/slab.h>
#include <linux/bitops.h>
#include <linux/delay.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <linux/genhd.h>
#include <linux/idr.h>
#include "rsxx_priv.h"
#include "rsxx_cfg.h"
#define NO_LEGACY 0
#define SYNC_START_TIMEOUT (10 * 60) /* 10 minutes */
MODULE_DESCRIPTION("IBM Flash Adapter 900GB Full Height Device Driver");
MODULE_AUTHOR("Joshua Morris/Philip Kelleher, IBM");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRIVER_VERSION);
static unsigned int force_legacy = NO_LEGACY;
module_param(force_legacy, uint, 0444);
MODULE_PARM_DESC(force_legacy, "Force the use of legacy type PCI interrupts");
static unsigned int sync_start = 1;
module_param(sync_start, uint, 0444);
MODULE_PARM_DESC(sync_start, "On by Default: Driver load will not complete "
"until the card startup has completed.");
static DEFINE_IDA(rsxx_disk_ida);
/* --------------------Debugfs Setup ------------------- */
static int rsxx_attr_pci_regs_show(struct seq_file *m, void *p)
{
struct rsxx_cardinfo *card = m->private;
seq_printf(m, "HWID 0x%08x\n",
ioread32(card->regmap + HWID));
seq_printf(m, "SCRATCH 0x%08x\n",
ioread32(card->regmap + SCRATCH));
seq_printf(m, "IER 0x%08x\n",
ioread32(card->regmap + IER));
seq_printf(m, "IPR 0x%08x\n",
ioread32(card->regmap + IPR));
seq_printf(m, "CREG_CMD 0x%08x\n",
ioread32(card->regmap + CREG_CMD));
seq_printf(m, "CREG_ADD 0x%08x\n",
ioread32(card->regmap + CREG_ADD));
seq_printf(m, "CREG_CNT 0x%08x\n",
ioread32(card->regmap + CREG_CNT));
seq_printf(m, "CREG_STAT 0x%08x\n",
ioread32(card->regmap + CREG_STAT));
seq_printf(m, "CREG_DATA0 0x%08x\n",
ioread32(card->regmap + CREG_DATA0));
seq_printf(m, "CREG_DATA1 0x%08x\n",
ioread32(card->regmap + CREG_DATA1));
seq_printf(m, "CREG_DATA2 0x%08x\n",
ioread32(card->regmap + CREG_DATA2));
seq_printf(m, "CREG_DATA3 0x%08x\n",
ioread32(card->regmap + CREG_DATA3));
seq_printf(m, "CREG_DATA4 0x%08x\n",
ioread32(card->regmap + CREG_DATA4));
seq_printf(m, "CREG_DATA5 0x%08x\n",
ioread32(card->regmap + CREG_DATA5));
seq_printf(m, "CREG_DATA6 0x%08x\n",
ioread32(card->regmap + CREG_DATA6));
seq_printf(m, "CREG_DATA7 0x%08x\n",
ioread32(card->regmap + CREG_DATA7));
seq_printf(m, "INTR_COAL 0x%08x\n",
ioread32(card->regmap + INTR_COAL));
seq_printf(m, "HW_ERROR 0x%08x\n",
ioread32(card->regmap + HW_ERROR));
seq_printf(m, "DEBUG0 0x%08x\n",
ioread32(card->regmap + PCI_DEBUG0));
seq_printf(m, "DEBUG1 0x%08x\n",
ioread32(card->regmap + PCI_DEBUG1));
seq_printf(m, "DEBUG2 0x%08x\n",
ioread32(card->regmap + PCI_DEBUG2));
seq_printf(m, "DEBUG3 0x%08x\n",
ioread32(card->regmap + PCI_DEBUG3));
seq_printf(m, "DEBUG4 0x%08x\n