+++ /dev/null
-/*
-* Huawei SSD device driver
-* Copyright (c) 2016, Huawei Technologies Co., Ltd.
-*
-* This program is free software; you can redistribute it and/or modify it
-* under the terms and conditions of the GNU General Public License,
-* version 2, as published by the Free Software Foundation.
-*
-* This program is distributed in the hope it will be useful, but WITHOUT
-* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
-* more details.
-*/
-
-#ifndef LINUX_VERSION_CODE
-#include <linux/version.h>
-#endif
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16))
-#include <linux/config.h>
-#endif
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/bio.h>
-#include <linux/timer.h>
-#include <linux/init.h>
-#include <linux/pci.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/blkdev.h>
-#include <linux/sched.h>
-#include <linux/fcntl.h>
-#include <linux/interrupt.h>
-#include <linux/compiler.h>
-#include <linux/bitops.h>
-#include <linux/delay.h>
-#include <linux/time.h>
-#include <linux/stat.h>
-#include <linux/fs.h>
-#include <linux/dma-mapping.h>
-#include <linux/completion.h>
-#include <linux/workqueue.h>
-#include <linux/mm.h>
-#include <linux/ioctl.h>
-#include <linux/hdreg.h> /* HDIO_GETGEO */
-#include <linux/list.h>
-#include <linux/reboot.h>
-#include <linux/kthread.h>
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
-#include <linux/seq_file.h>
-#endif
-#include <asm/uaccess.h>
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0))
-#include <linux/scatterlist.h>
-#include <linux/vmalloc.h>
-#else
-#include <asm/scatterlist.h>
-#endif
-#include <asm/io.h>
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,17))
-#include <linux/devfs_fs_kernel.h>
-#endif
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(5,6,0))
-#include <linux/part_stat.h>
-#endif
-
-/* driver */
-#define MODULE_NAME "hio"
-#define DRIVER_VERSION "2.1.0.40"
-#define DRIVER_VERSION_LEN 16
-
-#define SSD_FW_MIN 0x1
-
-#define SSD_DEV_NAME MODULE_NAME
-#define SSD_DEV_NAME_LEN 16
-#define SSD_CDEV_NAME "c"SSD_DEV_NAME
-#define SSD_SDEV_NAME "s"SSD_DEV_NAME
-
-
-#define SSD_CMAJOR 0
-#define SSD_MAJOR 0
-#define SSD_MAJOR_SL 0
-#define SSD_MINORS 16
-
-#define SSD_MAX_DEV 702
-#define SSD_ALPHABET_NUM 26
-
-#define hio_info(f, arg...) printk(KERN_INFO MODULE_NAME"info: " f , ## arg)
-#define hio_note(f, arg...) printk(KERN_NOTICE MODULE_NAME"note: " f , ## arg)
-#define hio_warn(f, arg...) printk(KERN_WARNING MODULE_NAME"warn: " f , ## arg)
-#define hio_err(f, arg...) printk(KERN_ERR MODULE_NAME"err: " f , ## arg)
-
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(5,6,0)) && (LINUX_VERSION_CODE < KERNEL_VERSION(5,11,0))
-struct hd_struct *disk_map_sector_rcu(struct gendisk *disk, sector_t sector);
-#endif
-
-/* slave port */
-#define SSD_SLAVE_PORT_DEVID 0x000a
-
-/* int mode */
-
-/* 2.6.9 msi affinity bug, should turn msi & msi-x off */
-//#define SSD_MSI
-#define SSD_ESCAPE_IRQ
-
-//#define SSD_MSIX
-#ifndef MODULE
-#define SSD_MSIX
-#endif
-#define SSD_MSIX_VEC 8
-#ifdef SSD_MSIX
-#undef SSD_MSI
-#undef SSD_ESCAPE_IRQ
-#define SSD_MSIX_AFFINITY_FORCE
-#endif
-
-#define SSD_TRIM
-
-/* Over temperature protect */
-#define SSD_OT_PROTECT
-
-#ifdef SSD_QUEUE_PBIO
-#define BIO_SSD_PBIO 20
-#endif
-
-/* debug */
-//#define SSD_DEBUG_ERR
-
-/* cmd timer */
-#define SSD_CMD_TIMEOUT (60*HZ)
-
-/* i2c & smbus */
-#define SSD_SPI_TIMEOUT (5*HZ)
-#define SSD_I2C_TIMEOUT (5*HZ)
-
-#define SSD_I2C_MAX_DATA (127)
-#define SSD_SMBUS_BLOCK_MAX (32)
-#define SSD_SMBUS_DATA_MAX (SSD_SMBUS_BLOCK_MAX + 2)
-
-/* wait for init */
-#define SSD_INIT_WAIT (1000) //1s
-#define SSD_CONTROLLER_WAIT (20*1000/SSD_INIT_WAIT) //20s
-#define SSD_INIT_MAX_WAIT (500*1000/SSD_INIT_WAIT) //500s
-#define SSD_INIT_MAX_WAIT_V3_2 (1400*1000/SSD_INIT_WAIT) //1400s
-#define SSD_RAM_INIT_MAX_WAIT (10*1000/SSD_INIT_WAIT) //10s
-#define SSD_CH_INFO_MAX_WAIT (10*1000/SSD_INIT_WAIT) //10s
-
-/* blkdev busy wait */
-#define SSD_DEV_BUSY_WAIT 1000 //ms
-#define SSD_DEV_BUSY_MAX_WAIT (8*1000/SSD_DEV_BUSY_WAIT) //8s
-
-/* smbus retry */
-#define SSD_SMBUS_RETRY_INTERVAL (5) //ms
-#define SSD_SMBUS_RETRY_MAX (1000/SSD_SMBUS_RETRY_INTERVAL)
-
-#define SSD_BM_RETRY_MAX 7
-
-/* bm routine interval */
-#define SSD_BM_CAP_LEARNING_DELAY (10*60*1000)
-
-/* routine interval */
-#define SSD_ROUTINE_INTERVAL (10*1000) //10s
-#define SSD_HWMON_ROUTINE_TICK (60*1000/SSD_ROUTINE_INTERVAL)
-#define SSD_CAPMON_ROUTINE_TICK ((3600*1000/SSD_ROUTINE_INTERVAL)*24*30)
-#define SSD_CAPMON2_ROUTINE_TICK (10*60*1000/SSD_ROUTINE_INTERVAL) //fault recover
-
-/* dma align */
-#define SSD_DMA_ALIGN (16)
-
-/* some hw defalut */
-#define SSD_LOG_MAX_SZ 4096
-
-#define SSD_NAND_OOB_SZ 1024
-#define SSD_NAND_ID_SZ 8
-#define SSD_NAND_ID_BUFF_SZ 1024
-#define SSD_NAND_MAX_CE 2
-
-#define SSD_BBT_RESERVED 8
-
-#define SSD_ECC_MAX_FLIP (64+1)
-
-#define SSD_RAM_ALIGN 16
-
-
-#define SSD_RELOAD_FLAG 0x3333CCCC
-#define SSD_RELOAD_FW 0xAA5555AA
-#define SSD_RESET_NOINIT 0xAA5555AA
-#define SSD_RESET 0x55AAAA55
-#define SSD_RESET_FULL 0x5A
-//#define SSD_RESET_WAIT 1000 //1s
-//#define SSD_RESET_MAX_WAIT (200*1000/SSD_RESET_WAIT) //200s
-
-
-/* reverion 1 */
-#define SSD_PROTOCOL_V1 0x0
-
-#define SSD_ROM_SIZE (16*1024*1024)
-#define SSD_ROM_BLK_SIZE (256*1024)
-#define SSD_ROM_PAGE_SIZE (256)
-#define SSD_ROM_NR_BRIDGE_FW 2
-#define SSD_ROM_NR_CTRL_FW 2
-#define SSD_ROM_BRIDGE_FW_BASE 0
-#define SSD_ROM_BRIDGE_FW_SIZE (2*1024*1024)
-#define SSD_ROM_CTRL_FW_BASE (SSD_ROM_NR_BRIDGE_FW*SSD_ROM_BRIDGE_FW_SIZE)
-#define SSD_ROM_CTRL_FW_SIZE (5*1024*1024)
-#define SSD_ROM_LABEL_BASE (SSD_ROM_CTRL_FW_BASE+SSD_ROM_CTRL_FW_SIZE*SSD_ROM_NR_CTRL_FW)
-#define SSD_ROM_VP_BASE (SSD_ROM_LABEL_BASE+SSD_ROM_BLK_SIZE)
-
-/* reverion 3 */
-#define SSD_PROTOCOL_V3 0x3000000
-#define SSD_PROTOCOL_V3_1_1 0x3010001
-#define SSD_PROTOCOL_V3_1_3 0x3010003
-#define SSD_PROTOCOL_V3_2 0x3020000
-#define SSD_PROTOCOL_V3_2_1 0x3020001 /* <4KB improved */
-#define SSD_PROTOCOL_V3_2_2 0x3020002 /* ot protect */
-#define SSD_PROTOCOL_V3_2_4 0x3020004
-
-
-#define SSD_PV3_ROM_NR_BM_FW 1
-#define SSD_PV3_ROM_BM_FW_SZ (64*1024*8)
-
-#define SSD_ROM_LOG_SZ (64*1024*4)
-
-#define SSD_ROM_NR_SMART_MAX 2
-#define SSD_PV3_ROM_NR_SMART SSD_ROM_NR_SMART_MAX
-#define SSD_PV3_ROM_SMART_SZ (64*1024)
-
-/* reverion 3.2 */
-#define SSD_PV3_2_ROM_LOG_SZ (64*1024*80) /* 5MB */
-#define SSD_PV3_2_ROM_SEC_SZ (256*1024) /* 256KB */
-
-
-/* register */
-#define SSD_REQ_FIFO_REG 0x0000
-#define SSD_RESP_FIFO_REG 0x0008 //0x0010
-#define SSD_RESP_PTR_REG 0x0010 //0x0018
-#define SSD_INTR_INTERVAL_REG 0x0018
-#define SSD_READY_REG 0x001C
-#define SSD_BRIDGE_TEST_REG 0x0020
-#define SSD_STRIPE_SIZE_REG 0x0028
-#define SSD_CTRL_VER_REG 0x0030 //controller
-#define SSD_BRIDGE_VER_REG 0x0034 //bridge
-#define SSD_PCB_VER_REG 0x0038
-#define SSD_BURN_FLAG_REG 0x0040
-#define SSD_BRIDGE_INFO_REG 0x0044
-
-#define SSD_WL_VAL_REG 0x0048 //32-bit
-
-#define SSD_BB_INFO_REG 0x004C
-
-#define SSD_ECC_TEST_REG 0x0050 //test only
-#define SSD_ERASE_TEST_REG 0x0058 //test only
-#define SSD_WRITE_TEST_REG 0x0060 //test only
-
-#define SSD_RESET_REG 0x0068
-#define SSD_RELOAD_FW_REG 0x0070
-
-#define SSD_RESERVED_BLKS_REG 0x0074
-#define SSD_VALID_PAGES_REG 0x0078
-#define SSD_CH_INFO_REG 0x007C
-
-#define SSD_CTRL_TEST_REG_SZ 0x8
-#define SSD_CTRL_TEST_REG0 0x0080
-#define SSD_CTRL_TEST_REG1 0x0088
-#define SSD_CTRL_TEST_REG2 0x0090
-#define SSD_CTRL_TEST_REG3 0x0098
-#define SSD_CTRL_TEST_REG4 0x00A0
-#define SSD_CTRL_TEST_REG5 0x00A8
-#define SSD_CTRL_TEST_REG6 0x00B0
-#define SSD_CTRL_TEST_REG7 0x00B8
-
-#define SSD_FLASH_INFO_REG0 0x00C0
-#define SSD_FLASH_INFO_REG1 0x00C8
-#define SSD_FLASH_INFO_REG2 0x00D0
-#define SSD_FLASH_INFO_REG3 0x00D8
-#define SSD_FLASH_INFO_REG4 0x00E0
-#define SSD_FLASH_INFO_REG5 0x00E8
-#define SSD_FLASH_INFO_REG6 0x00F0
-#define SSD_FLASH_INFO_REG7 0x00F8
-
-#define SSD_RESP_INFO_REG 0x01B8
-#define SSD_NAND_BUFF_BASE 0x01BC //for nand write
-
-#define SSD_CHIP_INFO_REG_SZ 0x10
-#define SSD_CHIP_INFO_REG0 0x0100 //128 bit
-#define SSD_CHIP_INFO_REG1 0x0110
-#define SSD_CHIP_INFO_REG2 0x0120
-#define SSD_CHIP_INFO_REG3 0x0130
-#define SSD_CHIP_INFO_REG4 0x0140
-#define SSD_CHIP_INFO_REG5 0x0150
-#define SSD_CHIP_INFO_REG6 0x0160
-#define SSD_CHIP_INFO_REG7 0x0170
-
-#define SSD_RAM_INFO_REG 0x01C4
-
-#define SSD_BBT_BASE_REG 0x01C8
-#define SSD_ECT_BASE_REG 0x01CC
-
-#define SSD_CLEAR_INTR_REG 0x01F0
-
-#define SSD_INIT_STATE_REG_SZ 0x8
-#define SSD_INIT_STATE_REG0 0x0200
-#define SSD_INIT_STATE_REG1 0x0208
-#define SSD_INIT_STATE_REG2 0x0210
-#define SSD_INIT_STATE_REG3 0x0218
-#define SSD_INIT_STATE_REG4 0x0220
-#define SSD_INIT_STATE_REG5 0x0228
-#define SSD_INIT_STATE_REG6 0x0230
-#define SSD_INIT_STATE_REG7 0x0238
-
-#define SSD_ROM_INFO_REG 0x0600
-#define SSD_ROM_BRIDGE_FW_INFO_REG 0x0604
-#define SSD_ROM_CTRL_FW_INFO_REG 0x0608
-#define SSD_ROM_VP_INFO_REG 0x060C
-
-#define SSD_LOG_INFO_REG 0x0610
-#define SSD_LED_REG 0x0614
-#define SSD_MSG_BASE_REG 0x06F8
-
-/*spi reg */
-#define SSD_SPI_REG_CMD 0x0180
-#define SSD_SPI_REG_CMD_HI 0x0184
-#define SSD_SPI_REG_WDATA 0x0188
-#define SSD_SPI_REG_ID 0x0190
-#define SSD_SPI_REG_STATUS 0x0198
-#define SSD_SPI_REG_RDATA 0x01A0
-#define SSD_SPI_REG_READY 0x01A8
-
-/* i2c register */
-#define SSD_I2C_CTRL_REG 0x06F0
-#define SSD_I2C_RDATA_REG 0x06F4
-
-/* temperature reg */
-#define SSD_BRIGE_TEMP_REG 0x0618
-
-#define SSD_CTRL_TEMP_REG0 0x0700
-#define SSD_CTRL_TEMP_REG1 0x0708
-#define SSD_CTRL_TEMP_REG2 0x0710
-#define SSD_CTRL_TEMP_REG3 0x0718
-#define SSD_CTRL_TEMP_REG4 0x0720
-#define SSD_CTRL_TEMP_REG5 0x0728
-#define SSD_CTRL_TEMP_REG6 0x0730
-#define SSD_CTRL_TEMP_REG7 0x0738
-
-/* reversion 3 reg */
-#define SSD_PROTOCOL_VER_REG 0x01B4
-
-#define SSD_FLUSH_TIMEOUT_REG 0x02A4
-#define SSD_BM_FAULT_REG 0x0660
-
-#define SSD_PV3_RAM_STATUS_REG_SZ 0x4
-#define SSD_PV3_RAM_STATUS_REG0 0x0260
-#define SSD_PV3_RAM_STATUS_REG1 0x0264
-#define SSD_PV3_RAM_STATUS_REG2 0x0268
-#define SSD_PV3_RAM_STATUS_REG3 0x026C
-#define SSD_PV3_RAM_STATUS_REG4 0x0270
-#define SSD_PV3_RAM_STATUS_REG5 0x0274
-#define SSD_PV3_RAM_STATUS_REG6 0x0278
-#define SSD_PV3_RAM_STATUS_REG7 0x027C
-
-#define SSD_PV3_CHIP_INFO_REG_SZ 0x40
-#define SSD_PV3_CHIP_INFO_REG0 0x0300
-#define SSD_PV3_CHIP_INFO_REG1 0x0340
-#define SSD_PV3_CHIP_INFO_REG2 0x0380
-#define SSD_PV3_CHIP_INFO_REG3 0x03B0
-#define SSD_PV3_CHIP_INFO_REG4 0x0400
-#define SSD_PV3_CHIP_INFO_REG5 0x0440
-#define SSD_PV3_CHIP_INFO_REG6 0x0480
-#define SSD_PV3_CHIP_INFO_REG7 0x04B0
-
-#define SSD_PV3_INIT_STATE_REG_SZ 0x20
-#define SSD_PV3_INIT_STATE_REG0 0x0500
-#define SSD_PV3_INIT_STATE_REG1 0x0520
-#define SSD_PV3_INIT_STATE_REG2 0x0540
-#define SSD_PV3_INIT_STATE_REG3 0x0560
-#define SSD_PV3_INIT_STATE_REG4 0x0580
-#define SSD_PV3_INIT_STATE_REG5 0x05A0
-#define SSD_PV3_INIT_STATE_REG6 0x05C0
-#define SSD_PV3_INIT_STATE_REG7 0x05E0
-
-/* reversion 3.1.1 reg */
-#define SSD_FULL_RESET_REG 0x01B0
-
-#define SSD_CTRL_REG_ZONE_SZ 0x800
-
-#define SSD_BB_THRESHOLD_L1_REG 0x2C0
-#define SSD_BB_THRESHOLD_L2_REG 0x2C4
-
-#define SSD_BB_ACC_REG_SZ 0x4
-#define SSD_BB_ACC_REG0 0x21C0
-#define SSD_BB_ACC_REG1 0x29C0
-#define SSD_BB_ACC_REG2 0x31C0
-
-#define SSD_EC_THRESHOLD_L1_REG 0x2C8
-#define SSD_EC_THRESHOLD_L2_REG 0x2CC
-
-#define SSD_EC_ACC_REG_SZ 0x4
-#define SSD_EC_ACC_REG0 0x21E0
-#define SSD_EC_ACC_REG1 0x29E0
-#define SSD_EC_ACC_REG2 0x31E0
-
-/* reversion 3.1.2 & 3.1.3 reg */
-#define SSD_HW_STATUS_REG 0x02AC
-
-#define SSD_PLP_INFO_REG 0x0664
-
-/*reversion 3.2 reg*/
-#define SSD_POWER_ON_REG 0x01EC
-#define SSD_PCIE_LINKSTATUS_REG 0x01F8
-#define SSD_PL_CAP_LEARN_REG 0x01FC
-
-#define SSD_FPGA_1V0_REG0 0x2070
-#define SSD_FPGA_1V8_REG0 0x2078
-#define SSD_FPGA_1V0_REG1 0x2870
-#define SSD_FPGA_1V8_REG1 0x2878
-
-/*reversion 3.2 reg*/
-#define SSD_READ_OT_REG0 0x2260
-#define SSD_WRITE_OT_REG0 0x2264
-#define SSD_READ_OT_REG1 0x2A60
-#define SSD_WRITE_OT_REG1 0x2A64
-
-
-/* function */
-#define SSD_FUNC_READ 0x01
-#define SSD_FUNC_WRITE 0x02
-#define SSD_FUNC_NAND_READ_WOOB 0x03
-#define SSD_FUNC_NAND_READ 0x04
-#define SSD_FUNC_NAND_WRITE 0x05
-#define SSD_FUNC_NAND_ERASE 0x06
-#define SSD_FUNC_NAND_READ_ID 0x07
-#define SSD_FUNC_READ_LOG 0x08
-#define SSD_FUNC_TRIM 0x09
-#define SSD_FUNC_RAM_READ 0x10
-#define SSD_FUNC_RAM_WRITE 0x11
-#define SSD_FUNC_FLUSH 0x12 //cache / bbt
-
-/* spi function */
-#define SSD_SPI_CMD_PROGRAM 0x02
-#define SSD_SPI_CMD_READ 0x03
-#define SSD_SPI_CMD_W_DISABLE 0x04
-#define SSD_SPI_CMD_READ_STATUS 0x05
-#define SSD_SPI_CMD_W_ENABLE 0x06
-#define SSD_SPI_CMD_ERASE 0xd8
-#define SSD_SPI_CMD_CLSR 0x30
-#define SSD_SPI_CMD_READ_ID 0x9f
-
-/* i2c */
-#define SSD_I2C_CTRL_READ 0x00
-#define SSD_I2C_CTRL_WRITE 0x01
-
-/* i2c internal register */
-#define SSD_I2C_CFG_REG 0x00
-#define SSD_I2C_DATA_REG 0x01
-#define SSD_I2C_CMD_REG 0x02
-#define SSD_I2C_STATUS_REG 0x03
-#define SSD_I2C_SADDR_REG 0x04
-#define SSD_I2C_LEN_REG 0x05
-#define SSD_I2C_RLEN_REG 0x06
-#define SSD_I2C_WLEN_REG 0x07
-#define SSD_I2C_RESET_REG 0x08 //write for reset
-#define SSD_I2C_PRER_REG 0x09
-
-
-/* hw mon */
-/* FPGA volt = ADC_value / 4096 * 3v */
-#define SSD_FPGA_1V0_ADC_MIN 1228 // 0.9v
-#define SSD_FPGA_1V0_ADC_MAX 1502 // 1.1v
-#define SSD_FPGA_1V8_ADC_MIN 2211 // 1.62v
-#define SSD_FPGA_1V8_ADC_MAX 2703 // 1.98
-
-/* ADC value */
-#define SSD_FPGA_VOLT_MAX(val) (((val) & 0xffff) >> 4)
-#define SSD_FPGA_VOLT_MIN(val) (((val >> 16) & 0xffff) >> 4)
-#define SSD_FPGA_VOLT_CUR(val) (((val >> 32) & 0xffff) >> 4)
-#define SSD_FPGA_VOLT(val) ((val * 3000) >> 12)
-
-#define SSD_VOLT_LOG_DATA(idx, ctrl, volt) (((uint32_t)idx << 24) | ((uint32_t)ctrl << 16) | ((uint32_t)volt))
-
-enum ssd_fpga_volt
-{
- SSD_FPGA_1V0 = 0,
- SSD_FPGA_1V8,
- SSD_FPGA_VOLT_NR
-};
-
-enum ssd_clock
-{
- SSD_CLOCK_166M_LOST = 0,
- SSD_CLOCK_166M_SKEW,
- SSD_CLOCK_156M_LOST,
- SSD_CLOCK_156M_SKEW,
- SSD_CLOCK_NR
-};
-
-/* sensor */
-#define SSD_SENSOR_LM75_SADDRESS (0x49 << 1)
-#define SSD_SENSOR_LM80_SADDRESS (0x28 << 1)
-
-#define SSD_SENSOR_CONVERT_TEMP(val) ((int)(val >> 8))
-
-#define SSD_INLET_OT_TEMP (55) //55 DegC
-#define SSD_INLET_OT_HYST (50) //50 DegC
-#define SSD_FLASH_OT_TEMP (70) //70 DegC
-#define SSD_FLASH_OT_HYST (65) //65 DegC
-
-enum ssd_sensor
-{
- SSD_SENSOR_LM80 = 0,
- SSD_SENSOR_LM75,
- SSD_SENSOR_NR
-};
-
-
-/* lm75 */
-enum ssd_lm75_reg
-{
- SSD_LM75_REG_TEMP = 0,
- SSD_LM75_REG_CONF,
- SSD_LM75_REG_THYST,
- SSD_LM75_REG_TOS
-};
-
-/* lm96080 */
-#define SSD_LM80_REG_IN_MAX(nr) (0x2a + (nr) * 2)
-#define SSD_LM80_REG_IN_MIN(nr) (0x2b + (nr) * 2)
-#define SSD_LM80_REG_IN(nr) (0x20 + (nr))
-
-#define SSD_LM80_REG_FAN1 0x28
-#define SSD_LM80_REG_FAN2 0x29
-#define SSD_LM80_REG_FAN_MIN(nr) (0x3b + (nr))
-
-#define SSD_LM80_REG_TEMP 0x27
-#define SSD_LM80_REG_TEMP_HOT_MAX 0x38
-#define SSD_LM80_REG_TEMP_HOT_HYST 0x39
-#define SSD_LM80_REG_TEMP_OS_MAX 0x3a
-#define SSD_LM80_REG_TEMP_OS_HYST 0x3b
-
-#define SSD_LM80_REG_CONFIG 0x00
-#define SSD_LM80_REG_ALARM1 0x01
-#define SSD_LM80_REG_ALARM2 0x02
-#define SSD_LM80_REG_MASK1 0x03
-#define SSD_LM80_REG_MASK2 0x04
-#define SSD_LM80_REG_FANDIV 0x05
-#define SSD_LM80_REG_RES 0x06
-
-#define SSD_LM80_CONVERT_VOLT(val) ((val * 10) >> 8)
-
-#define SSD_LM80_3V3_VOLT(val) ((val)*33/19)
-
-#define SSD_LM80_CONV_INTERVAL (1000)
-
-enum ssd_lm80_in
-{
- SSD_LM80_IN_CAP = 0,
- SSD_LM80_IN_1V2,
- SSD_LM80_IN_1V2a,
- SSD_LM80_IN_1V5,
- SSD_LM80_IN_1V8,
- SSD_LM80_IN_FPGA_3V3,
- SSD_LM80_IN_3V3,
- SSD_LM80_IN_NR
-};
-
-struct ssd_lm80_limit
-{
- uint8_t low;
- uint8_t high;
-};
-
-/* +/- 5% except cap in*/
-static struct ssd_lm80_limit ssd_lm80_limit[SSD_LM80_IN_NR] = {
- {171, 217}, /* CAP in: 1710 ~ 2170 */
- {114, 126},
- {114, 126},
- {142, 158},
- {171, 189},
- {180, 200},
- {180, 200},
-};
-
-/* temperature sensors */
-enum ssd_temp_sensor
-{
- SSD_TEMP_INLET = 0,
- SSD_TEMP_FLASH,
- SSD_TEMP_CTRL,
- SSD_TEMP_NR
-};
-
-
-#ifdef SSD_OT_PROTECT
-#define SSD_OT_DELAY (60) //ms
-
-#define SSD_OT_TEMP (90) //90 DegC
-
-#define SSD_OT_TEMP_HYST (85) //85 DegC
-#endif
-
-/* fpga temperature */
-//#define CONVERT_TEMP(val) ((float)(val)*503.975f/4096.0f-273.15f)
-#define CONVERT_TEMP(val) ((val)*504/4096-273)
-
-#define MAX_TEMP(val) CONVERT_TEMP(((val & 0xffff) >> 4))
-#define MIN_TEMP(val) CONVERT_TEMP((((val>>16) & 0xffff) >> 4))
-#define CUR_TEMP(val) CONVERT_TEMP((((val>>32) & 0xffff) >> 4))
-
-
-/* CAP monitor */
-#define SSD_PL_CAP_U1 SSD_LM80_REG_IN(SSD_LM80_IN_CAP)
-#define SSD_PL_CAP_U2 SSD_LM80_REG_IN(SSD_LM80_IN_1V8)
-#define SSD_PL_CAP_LEARN(u1, u2, t) ((t*(u1+u2))/(2*162*(u1-u2)))
-#define SSD_PL_CAP_LEARN_WAIT (20) //20ms
-#define SSD_PL_CAP_LEARN_MAX_WAIT (1000/SSD_PL_CAP_LEARN_WAIT) //1s
-
-#define SSD_PL_CAP_CHARGE_WAIT (1000)
-#define SSD_PL_CAP_CHARGE_MAX_WAIT ((120*1000)/SSD_PL_CAP_CHARGE_WAIT) //120s
-
-#define SSD_PL_CAP_VOLT(val) (val*7)
-
-#define SSD_PL_CAP_VOLT_FULL (13700)
-#define SSD_PL_CAP_VOLT_READY (12880)
-
-#define SSD_PL_CAP_THRESHOLD (8900)
-#define SSD_PL_CAP_CP_THRESHOLD (5800)
-#define SSD_PL_CAP_THRESHOLD_HYST (100)
-
-enum ssd_pl_cap_status
-{
- SSD_PL_CAP = 0,
- SSD_PL_CAP_NR
-};
-
-enum ssd_pl_cap_type
-{
- SSD_PL_CAP_DEFAULT = 0, /* 4 cap */
- SSD_PL_CAP_CP /* 3 cap */
-};
-
-
-/* hwmon offset */
-#define SSD_HWMON_OFFS_TEMP (0)
-#define SSD_HWMON_OFFS_SENSOR (SSD_HWMON_OFFS_TEMP + SSD_TEMP_NR)
-#define SSD_HWMON_OFFS_PL_CAP (SSD_HWMON_OFFS_SENSOR + SSD_SENSOR_NR)
-#define SSD_HWMON_OFFS_LM80 (SSD_HWMON_OFFS_PL_CAP + SSD_PL_CAP_NR)
-#define SSD_HWMON_OFFS_CLOCK (SSD_HWMON_OFFS_LM80 + SSD_LM80_IN_NR)
-#define SSD_HWMON_OFFS_FPGA (SSD_HWMON_OFFS_CLOCK + SSD_CLOCK_NR)
-
-#define SSD_HWMON_TEMP(idx) (SSD_HWMON_OFFS_TEMP + idx)
-#define SSD_HWMON_SENSOR(idx) (SSD_HWMON_OFFS_SENSOR + idx)
-#define SSD_HWMON_PL_CAP(idx) (SSD_HWMON_OFFS_PL_CAP + idx)
-#define SSD_HWMON_LM80(idx) (SSD_HWMON_OFFS_LM80 + idx)
-#define SSD_HWMON_CLOCK(idx) (SSD_HWMON_OFFS_CLOCK + idx)
-#define SSD_HWMON_FPGA(ctrl, idx) (SSD_HWMON_OFFS_FPGA + (ctrl * SSD_FPGA_VOLT_NR) + idx)
-
-
-
-/* fifo */
-typedef struct sfifo
-{
- uint32_t in;
- uint32_t out;
- uint32_t size;
- uint32_t esize;
- uint32_t mask;
- spinlock_t lock;
- void *data;
-} sfifo_t;
-
-static int sfifo_alloc(struct sfifo *fifo, uint32_t size, uint32_t esize)
-{
- uint32_t __size = 1;
-
- if (!fifo || size > INT_MAX || esize == 0) {
- return -EINVAL;
- }
-
- while (__size < size) __size <<= 1;
-
- if (__size < 2) {
- return -EINVAL;
- }
-
- fifo->data = vmalloc(esize * __size);
- if (!fifo->data) {
- return -ENOMEM;
- }
-
- fifo->in = 0;
- fifo->out = 0;
- fifo->mask = __size - 1;
- fifo->size = __size;
- fifo->esize = esize;
- spin_lock_init(&fifo->lock);
-
- return 0;
-}
-
-static void sfifo_free(struct sfifo *fifo)
-{
- if (!fifo) {
- return;
- }
-
- vfree(fifo->data);
- fifo->data = NULL;
- fifo->in = 0;
- fifo->out = 0;
- fifo->mask = 0;
- fifo->size = 0;
- fifo->esize = 0;
-}
-
-static int __sfifo_put(struct sfifo *fifo, void *val)
-{
- if (((fifo->in + 1) & fifo->mask) == fifo->out) {
- return -1;
- }
-
- memcpy((fifo->data + (fifo->in * fifo->esize)), val, fifo->esize);
- fifo->in = (fifo->in + 1) & fifo->mask;
-
- return 0;
-}
-
-static int sfifo_put(struct sfifo *fifo, void *val)
-{
- int ret = 0;
-
- if (!fifo || !val) {
- return -EINVAL;
- }
-
- if (!in_interrupt()) {
- spin_lock_irq(&fifo->lock);
- ret = __sfifo_put(fifo, val);
- spin_unlock_irq(&fifo->lock);
- } else {
- spin_lock(&fifo->lock);
- ret = __sfifo_put(fifo, val);
- spin_unlock(&fifo->lock);
- }
-
- return ret;
-}
-
-static int __sfifo_get(struct sfifo *fifo, void *val)
-{
- if (fifo->out == fifo->in) {
- return -1;
- }
-
- memcpy(val, (fifo->data + (fifo->out * fifo->esize)), fifo->esize);
- fifo->out = (fifo->out + 1) & fifo->mask;
-
- return 0;
-}
-
-static int sfifo_get(struct sfifo *fifo, void *val)
-{
- int ret = 0;
-
- if (!fifo || !val) {
- return -EINVAL;
- }
-
- if (!in_interrupt()) {
- spin_lock_irq(&fifo->lock);
- ret = __sfifo_get(fifo, val);
- spin_unlock_irq(&fifo->lock);
- } else {
- spin_lock(&fifo->lock);
- ret = __sfifo_get(fifo, val);
- spin_unlock(&fifo->lock);
- }
-
- return ret;
-}
-
-/* bio list */
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30))
-struct ssd_blist {
- struct bio *prev;
- struct bio *next;
-};
-
-static inline void ssd_blist_init(struct ssd_blist *ssd_bl)
-{
- ssd_bl->prev = NULL;
- ssd_bl->next = NULL;
-}
-
-static inline struct bio *ssd_blist_get(struct ssd_blist *ssd_bl)
-{
- struct bio *bio = ssd_bl->prev;
-
- ssd_bl->prev = NULL;
- ssd_bl->next = NULL;
-
- return bio;
-}
-
-static inline void ssd_blist_add(struct ssd_blist *ssd_bl, struct bio *bio)
-{
- bio->bi_next = NULL;
-
- if (ssd_bl->next) {
- ssd_bl->next->bi_next = bio;
- } else {
- ssd_bl->prev = bio;
- }
-
- ssd_bl->next = bio;
-}
-
-#else
-#define ssd_blist bio_list
-#define ssd_blist_init bio_list_init
-#define ssd_blist_get bio_list_get
-#define ssd_blist_add bio_list_add
-#endif
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,14,0))
-#define bio_start(bio) (bio->bi_sector)
-#else
-#define bio_start(bio) (bio->bi_iter.bi_sector)
-#endif
-
-/* mutex */
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16))
-#define mutex_lock down
-#define mutex_unlock up
-#define mutex semaphore
-#define mutex_init init_MUTEX
-#endif
-
-/* i2c */
-typedef union ssd_i2c_ctrl {
- uint32_t val;
- struct {
- uint8_t wdata;
- uint8_t addr;
- uint16_t rw:1;
- uint16_t pad:15;
- } bits;
-}__attribute__((packed)) ssd_i2c_ctrl_t;
-
-typedef union ssd_i2c_data {
- uint32_t val;
- struct {
- uint32_t rdata:8;
- uint32_t valid:1;
- uint32_t pad:23;
- } bits;
-}__attribute__((packed)) ssd_i2c_data_t;
-
-/* write mode */
-enum ssd_write_mode
-{
- SSD_WMODE_BUFFER = 0,
- SSD_WMODE_BUFFER_EX,
- SSD_WMODE_FUA,
- /* dummy */
- SSD_WMODE_AUTO,
- SSD_WMODE_DEFAULT
-};
-
-/* reset type */
-enum ssd_reset_type
-{
- SSD_RST_NOINIT = 0,
- SSD_RST_NORMAL,
- SSD_RST_FULL
-};
-
-/* ssd msg */
-typedef struct ssd_sg_entry
-{
- uint64_t block:48;
- uint64_t length:16;
- uint64_t buf;
-}__attribute__((packed))ssd_sg_entry_t;
-
-typedef struct ssd_rw_msg
-{
- uint8_t tag;
- uint8_t flag;
- uint8_t nsegs;
- uint8_t fun;
- uint32_t reserved; //for 64-bit align
- struct ssd_sg_entry sge[1]; //base
-}__attribute__((packed))ssd_rw_msg_t;
-
-typedef struct ssd_resp_msg
-{
- uint8_t tag;
- uint8_t status:2;
- uint8_t bitflip:6;
- uint8_t log;
- uint8_t fun;
- uint32_t reserved;
-}__attribute__((packed))ssd_resp_msg_t;
-
-typedef struct ssd_flush_msg
-{
- uint8_t tag;
- uint8_t flag:2; //flash cache 0 or bbt 1
- uint8_t flash:6;
- uint8_t ctrl_idx;
- uint8_t fun;
- uint32_t reserved; //align
-}__attribute__((packed))ssd_flush_msg_t;
-
-typedef struct ssd_nand_op_msg
-{
- uint8_t tag;
- uint8_t flag;
- uint8_t ctrl_idx;
- uint8_t fun;
- uint32_t reserved; //align
- uint16_t page_count;
- uint8_t chip_ce;
- uint8_t chip_no;
- uint32_t page_no;
- uint64_t buf;
-}__attribute__((packed))ssd_nand_op_msg_t;
-
-typedef struct ssd_ram_op_msg
-{
- uint8_t tag;
- uint8_t flag;
- uint8_t ctrl_idx;
- uint8_t fun;
- uint32_t reserved; //align
- uint32_t start;
- uint32_t length;
- uint64_t buf;
-}__attribute__((packed))ssd_ram_op_msg_t;
-
-
-/* log msg */
-typedef struct ssd_log_msg
-{
- uint8_t tag;
- uint8_t flag;
- uint8_t ctrl_idx;
- uint8_t fun;
- uint32_t reserved; //align
- uint64_t buf;
-}__attribute__((packed))ssd_log_msg_t;
-
-typedef struct ssd_log_op_msg
-{
- uint8_t tag;
- uint8_t flag;
- uint8_t ctrl_idx;
- uint8_t fun;
- uint32_t reserved; //align
- uint64_t reserved1; //align
- uint64_t buf;
-}__attribute__((packed))ssd_log_op_msg_t;
-
-typedef struct ssd_log_resp_msg
-{
- uint8_t tag;
- uint16_t status :2;
- uint16_t reserved1 :2; //align with the normal resp msg
- uint16_t nr_log :12;
- uint8_t fun;
- uint32_t reserved;
-}__attribute__((packed))ssd_log_resp_msg_t;
-
-
-/* resp msg */
-typedef union ssd_response_msq
-{
- ssd_resp_msg_t resp_msg;
- ssd_log_resp_msg_t log_resp_msg;
- uint64_t u64_msg;
- uint32_t u32_msg[2];
-} ssd_response_msq_t;
-
-
-/* custom struct */
-typedef struct ssd_protocol_info
-{
- uint32_t ver;
- uint32_t init_state_reg;
- uint32_t init_state_reg_sz;
- uint32_t chip_info_reg;
- uint32_t chip_info_reg_sz;
-} ssd_protocol_info_t;
-
-typedef struct ssd_hw_info
-{
- uint32_t bridge_ver;
- uint32_t ctrl_ver;
-
- uint32_t cmd_fifo_sz;
- uint32_t cmd_fifo_sz_mask;
- uint32_t cmd_max_sg;
- uint32_t sg_max_sec;
- uint32_t resp_ptr_sz;
- uint32_t resp_msg_sz;
-
- uint16_t nr_ctrl;
-
- uint16_t nr_data_ch;
- uint16_t nr_ch;
- uint16_t max_ch;
- uint16_t nr_chip;
-
- uint8_t pcb_ver;
- uint8_t upper_pcb_ver;
-
- uint8_t nand_vendor_id;
- uint8_t nand_dev_id;
-
- uint8_t max_ce;
- uint8_t id_size;
- uint16_t oob_size;
-
- uint16_t bbf_pages;
- uint16_t bbf_seek; //
-
- uint16_t page_count; //per block
- uint32_t page_size;
- uint32_t block_count; //per flash
-
- uint64_t ram_size;
- uint32_t ram_align;
- uint32_t ram_max_len;
-
- uint64_t bbt_base;
- uint32_t bbt_size;
- uint64_t md_base; //metadata
- uint32_t md_size;
- uint32_t md_entry_sz;
-
- uint32_t log_sz;
-
- uint64_t nand_wbuff_base;
-
- uint32_t md_reserved_blks;
- uint32_t reserved_blks;
- uint32_t valid_pages;
- uint32_t max_valid_pages;
- uint64_t size;
-} ssd_hw_info_t;
-
-typedef struct ssd_hw_info_extend
-{
- uint8_t board_type;
- uint8_t cap_type;
- uint8_t plp_type;
- uint8_t work_mode;
- uint8_t form_factor;
-
- uint8_t pad[59];
-}ssd_hw_info_extend_t;
-
-typedef struct ssd_rom_info
-{
- uint32_t size;
- uint32_t block_size;
- uint16_t page_size;
- uint8_t nr_bridge_fw;
- uint8_t nr_ctrl_fw;
- uint8_t nr_bm_fw;
- uint8_t nr_smart;
- uint32_t bridge_fw_base;
- uint32_t bridge_fw_sz;
- uint32_t ctrl_fw_base;
- uint32_t ctrl_fw_sz;
- uint32_t bm_fw_base;
- uint32_t bm_fw_sz;
- uint32_t log_base;
- uint32_t log_sz;
- uint32_t smart_base;
- uint32_t smart_sz;
- uint32_t vp_base;
- uint32_t label_base;
-} ssd_rom_info_t;
-
-/* debug info */
-enum ssd_debug_type
-{
- SSD_DEBUG_NONE = 0,
- SSD_DEBUG_READ_ERR,
- SSD_DEBUG_WRITE_ERR,
- SSD_DEBUG_RW_ERR,
- SSD_DEBUG_READ_TO,
- SSD_DEBUG_WRITE_TO,
- SSD_DEBUG_RW_TO,
- SSD_DEBUG_LOG,
- SSD_DEBUG_OFFLINE,
- SSD_DEBUG_NR
-};
-
-typedef struct ssd_debug_info
-{
- int type;
- union {
- struct {
- uint64_t off;
- uint32_t len;
- } loc;
- struct {
- int event;
- uint32_t extra;
- } log;
- } data;
-}ssd_debug_info_t;
-
-/* label */
-#define SSD_LABEL_FIELD_SZ 32
-#define SSD_SN_SZ 16
-
-typedef struct ssd_label
-{
- char date[SSD_LABEL_FIELD_SZ];
- char sn[SSD_LABEL_FIELD_SZ];
- char part[SSD_LABEL_FIELD_SZ];
- char desc[SSD_LABEL_FIELD_SZ];
- char other[SSD_LABEL_FIELD_SZ];
- char maf[SSD_LABEL_FIELD_SZ];
-} ssd_label_t;
-
-#define SSD_LABEL_DESC_SZ 256
-
-typedef struct ssd_labelv3
-{
- char boardtype[SSD_LABEL_FIELD_SZ];
- char barcode[SSD_LABEL_FIELD_SZ];
- char item[SSD_LABEL_FIELD_SZ];
- char description[SSD_LABEL_DESC_SZ];
- char manufactured[SSD_LABEL_FIELD_SZ];
- char vendorname[SSD_LABEL_FIELD_SZ];
- char issuenumber[SSD_LABEL_FIELD_SZ];
- char cleicode[SSD_LABEL_FIELD_SZ];
- char bom[SSD_LABEL_FIELD_SZ];
-} ssd_labelv3_t;
-
-/* battery */
-typedef struct ssd_battery_info
-{
- uint32_t fw_ver;
-} ssd_battery_info_t;
-
-/* ssd power stat */
-typedef struct ssd_power_stat
-{
- uint64_t nr_poweron;
- uint64_t nr_powerloss;
- uint64_t init_failed;
-} ssd_power_stat_t;
-
-/* io stat */
-typedef struct ssd_io_stat
-{
- uint64_t run_time;
- uint64_t nr_to;
- uint64_t nr_ioerr;
- uint64_t nr_rwerr;
- uint64_t nr_read;
- uint64_t nr_write;
- uint64_t rsectors;
- uint64_t wsectors;
-} ssd_io_stat_t;
-
-/* ecc */
-typedef struct ssd_ecc_info
-{
- uint64_t bitflip[SSD_ECC_MAX_FLIP];
-} ssd_ecc_info_t;
-
-/* log */
-enum ssd_log_level
-{
- SSD_LOG_LEVEL_INFO = 0,
- SSD_LOG_LEVEL_NOTICE,
- SSD_LOG_LEVEL_WARNING,
- SSD_LOG_LEVEL_ERR,
- SSD_LOG_NR_LEVEL
-};
-
-typedef struct ssd_log_info
-{
- uint64_t nr_log;
- uint64_t stat[SSD_LOG_NR_LEVEL];
-} ssd_log_info_t;
-
-/* S.M.A.R.T. */
-#define SSD_SMART_MAGIC (0x5452414D53445353ull)
-
-typedef struct ssd_smart
-{
- struct ssd_power_stat pstat;
- struct ssd_io_stat io_stat;
- struct ssd_ecc_info ecc_info;
- struct ssd_log_info log_info;
- uint64_t version;
- uint64_t magic;
-} ssd_smart_t;
-
-/* internal log */
-typedef struct ssd_internal_log
-{
- uint32_t nr_log;
- void *log;
-} ssd_internal_log_t;
-
-/* ssd cmd */
-typedef struct ssd_cmd
-{
- struct bio *bio;
- struct scatterlist *sgl;
- struct list_head list;
- void *dev;
- int nsegs;
- int flag; /*pbio(1) or bio(0)*/
-
- int tag;
- void *msg;
- dma_addr_t msg_dma;
-
- unsigned long start_time;
-
- int errors;
- unsigned int nr_log;
-
- struct timer_list cmd_timer;
- struct completion *waiting;
-} ssd_cmd_t;
-
-typedef void (*send_cmd_func)(struct ssd_cmd *);
-typedef int (*ssd_event_call)(struct gendisk *, int, int); /* gendisk, event id, event level */
-
-/* dcmd sz */
-#define SSD_DCMD_MAX_SZ 32
-
-typedef struct ssd_dcmd
-{
- struct list_head list;
- void *dev;
- uint8_t msg[SSD_DCMD_MAX_SZ];
-} ssd_dcmd_t;
-
-
-enum ssd_state {
- SSD_INIT_WORKQ,
- SSD_INIT_BD,
- SSD_ONLINE,
- /* full reset */
- SSD_RESETING,
- /* hw log */
- SSD_LOG_HW,
- /* log err */
- SSD_LOG_ERR,
-};
-
-#define SSD_QUEUE_NAME_LEN 16
-typedef struct ssd_queue {
- char name[SSD_QUEUE_NAME_LEN];
- void *dev;
-
- int idx;
-
- uint32_t resp_idx;
- uint32_t resp_idx_mask;
- uint32_t resp_msg_sz;
-
- void *resp_msg;
- void *resp_ptr;
-
- struct ssd_cmd *cmd;
-
- struct ssd_io_stat io_stat;
- struct ssd_ecc_info ecc_info;
-} ssd_queue_t;
-
-typedef struct ssd_device {
- char name[SSD_DEV_NAME_LEN];
-
- int idx;
- int major;
- int readonly;
-
- int int_mode;
-#ifdef SSD_ESCAPE_IRQ
- int irq_cpu;
-#endif
-
- int reload_fw;
-
- int ot_delay; //in ms
-
- atomic_t refcnt;
- atomic_t tocnt;
- atomic_t in_flight[2]; //r&w
-
- uint64_t uptime;
-
- struct list_head list;
- struct pci_dev *pdev;
-
- unsigned long mmio_base;
- unsigned long mmio_len;
- void __iomem *ctrlp;
-
- struct mutex spi_mutex;
- struct mutex i2c_mutex;
-
- struct ssd_protocol_info protocol_info;
- struct ssd_hw_info hw_info;
- struct ssd_rom_info rom_info;
- struct ssd_label label;
-
- struct ssd_smart smart;
-
- atomic_t in_sendq;
- spinlock_t sendq_lock;
- struct ssd_blist sendq;
- struct task_struct *send_thread;
- wait_queue_head_t send_waitq;
-
- atomic_t in_doneq;
- spinlock_t doneq_lock;
- struct ssd_blist doneq;
- struct task_struct *done_thread;
- wait_queue_head_t done_waitq;
-
- struct ssd_dcmd *dcmd;
- spinlock_t dcmd_lock;
- struct list_head dcmd_list; /* direct cmd list */
- wait_queue_head_t dcmd_wq;
-
- unsigned long *tag_map;
- wait_queue_head_t tag_wq;
-
- spinlock_t cmd_lock;
- struct ssd_cmd *cmd;
- send_cmd_func scmd;
-
- ssd_event_call event_call;
- void *msg_base;
- dma_addr_t msg_base_dma;
-
- uint32_t resp_idx;
- void *resp_msg_base;
- void *resp_ptr_base;
- dma_addr_t resp_msg_base_dma;
- dma_addr_t resp_ptr_base_dma;
-
- int nr_queue;
- struct msix_entry entry[SSD_MSIX_VEC];
- struct ssd_queue queue[SSD_MSIX_VEC];
-
- struct request_queue *rq; /* The device request queue */
- struct gendisk *gd; /* The gendisk structure */
-
- struct mutex internal_log_mutex;
- struct ssd_internal_log internal_log;
- struct workqueue_struct *workq;
- struct work_struct log_work; /* get log */
- void *log_buf;
-
- unsigned long state; /* device state, for example, block device inited */
-
- struct module *owner;
-
- /* extend */
-
- int slave;
- int cmajor;
- int save_md;
- int ot_protect;
-
- struct kref kref;
-
- struct mutex gd_mutex;
- struct ssd_log_info log_info; /* volatile */
-
- atomic_t queue_depth;
- struct mutex barrier_mutex;
- struct mutex fw_mutex;
-
- struct ssd_hw_info_extend hw_info_ext;
- struct ssd_labelv3 labelv3;
-
- int wmode;
- int user_wmode;
- struct mutex bm_mutex;
- struct work_struct bm_work; /* check bm */
- struct timer_list bm_timer;
- struct sfifo log_fifo;
-
- struct timer_list routine_timer;
- unsigned long routine_tick;
- unsigned long hwmon;
-
- struct work_struct hwmon_work; /* check hw */
- struct work_struct capmon_work; /* check battery */
- struct work_struct tempmon_work; /* check temp */
-
- /* debug info */
- struct ssd_debug_info db_info;
- uint64_t reset_time;
- int has_non_0x98_reg_access;
- spinlock_t in_flight_lock;
-
- uint64_t last_poweron_id;
-
-} ssd_device_t;
-
-
-/* Ioctl struct */
-typedef struct ssd_acc_info {
- uint32_t threshold_l1;
- uint32_t threshold_l2;
- uint32_t val;
-} ssd_acc_info_t;
-
-typedef struct ssd_reg_op_info
-{
- uint32_t offset;
- uint32_t value;
-} ssd_reg_op_info_t;
-
-typedef struct ssd_spi_op_info
-{
- void __user *buf;
- uint32_t off;
- uint32_t len;
-} ssd_spi_op_info_t;
-
-typedef struct ssd_i2c_op_info
-{
- uint8_t saddr;
- uint8_t wsize;
- uint8_t rsize;
- void __user *wbuf;
- void __user *rbuf;
-} ssd_i2c_op_info_t;
-
-typedef struct ssd_smbus_op_info
-{
- uint8_t saddr;
- uint8_t cmd;
- uint8_t size;
- void __user *buf;
-} ssd_smbus_op_info_t;
-
-typedef struct ssd_ram_op_info {
- uint8_t ctrl_idx;
- uint32_t length;
- uint64_t start;
- uint8_t __user *buf;
-} ssd_ram_op_info_t;
-
-typedef struct ssd_flash_op_info {
- uint32_t page;
- uint16_t flash;
- uint8_t chip;
- uint8_t ctrl_idx;
- uint8_t __user *buf;
-} ssd_flash_op_info_t;
-
-typedef struct ssd_sw_log_info {
- uint16_t event;
- uint16_t pad;
- uint32_t data;
-} ssd_sw_log_info_t;
-
-typedef struct ssd_version_info
-{
- uint32_t bridge_ver; /* bridge fw version */
- uint32_t ctrl_ver; /* controller fw version */
- uint32_t bm_ver; /* battery manager fw version */
- uint8_t pcb_ver; /* main pcb version */
- uint8_t upper_pcb_ver;
- uint8_t pad0;
- uint8_t pad1;
-} ssd_version_info_t;
-
-typedef struct pci_addr
-{
- uint16_t domain;
- uint8_t bus;
- uint8_t slot;
- uint8_t func;
-} pci_addr_t;
-
-typedef struct ssd_drv_param_info {
- int mode;
- int status_mask;
- int int_mode;
- int threaded_irq;
- int log_level;
- int wmode;
- int ot_protect;
- int finject;
- int pad[8];
-} ssd_drv_param_info_t;
-
-
-/* form factor */
-enum ssd_form_factor
-{
- SSD_FORM_FACTOR_HHHL = 0,
- SSD_FORM_FACTOR_FHHL
-};
-
-
-/* ssd power loss protect */
-enum ssd_plp_type
-{
- SSD_PLP_SCAP = 0,
- SSD_PLP_CAP,
- SSD_PLP_NONE
-};
-
-/* ssd bm */
-#define SSD_BM_SLAVE_ADDRESS 0x16
-#define SSD_BM_CAP 5
-
-/* SBS cmd */
-#define SSD_BM_SAFETYSTATUS 0x51
-#define SSD_BM_OPERATIONSTATUS 0x54
-
-/* ManufacturerAccess */
-#define SSD_BM_MANUFACTURERACCESS 0x00
-#define SSD_BM_ENTER_CAP_LEARNING 0x0023 /* cap learning */
-
-/* Data flash access */
-#define SSD_BM_DATA_FLASH_SUBCLASS_ID 0x77
-#define SSD_BM_DATA_FLASH_SUBCLASS_ID_PAGE1 0x78
-#define SSD_BM_SYSTEM_DATA_SUBCLASS_ID 56
-#define SSD_BM_CONFIGURATION_REGISTERS_ID 64
-
-/* min cap voltage */
-#define SSD_BM_CAP_VOLT_MIN 500
-
-/*
-enum ssd_bm_cap
-{
- SSD_BM_CAP_VINA = 1,
- SSD_BM_CAP_JH = 3
-};*/
-
-enum ssd_bmstatus
-{
- SSD_BMSTATUS_OK = 0,
- SSD_BMSTATUS_CHARGING, /* not fully charged */
- SSD_BMSTATUS_WARNING
-};
-
-enum sbs_unit {
- SBS_UNIT_VALUE = 0,
- SBS_UNIT_TEMPERATURE,
- SBS_UNIT_VOLTAGE,
- SBS_UNIT_CURRENT,
- SBS_UNIT_ESR,
- SBS_UNIT_PERCENT,
- SBS_UNIT_CAPACITANCE
-};
-
-enum sbs_size {
- SBS_SIZE_BYTE = 1,
- SBS_SIZE_WORD,
- SBS_SIZE_BLK,
-};
-
-struct sbs_cmd {
- uint8_t cmd;
- uint8_t size;
- uint8_t unit;
- uint8_t off;
- uint16_t mask;
- char *desc;
-};
-
-struct ssd_bm {
- uint16_t temp;
- uint16_t volt;
- uint16_t curr;
- uint16_t esr;
- uint16_t rsoc;
- uint16_t health;
- uint16_t cap;
- uint16_t chg_curr;
- uint16_t chg_volt;
- uint16_t cap_volt[SSD_BM_CAP];
- uint16_t sf_alert;
- uint16_t sf_status;
- uint16_t op_status;
- uint16_t sys_volt;
-};
-
-struct ssd_bm_manufacturer_data
-{
- uint16_t pack_lot_code;
- uint16_t pcb_lot_code;
- uint16_t firmware_ver;
- uint16_t hardware_ver;
-};
-
-struct ssd_bm_configuration_registers
-{
- struct {
- uint16_t cc:3;
- uint16_t rsvd:5;
- uint16_t stack:1;
- uint16_t rsvd1:2;
- uint16_t temp:2;
- uint16_t rsvd2:1;
- uint16_t lt_en:1;
- uint16_t rsvd3:1;
- } operation_cfg;
- uint16_t pad;
- uint16_t fet_action;
- uint16_t pad1;
- uint16_t fault;
-};
-
-#define SBS_VALUE_MASK 0xffff
-
-#define bm_var_offset(var) ((size_t) &((struct ssd_bm *)0)->var)
-#define bm_var(start, offset) ((void *) start + (offset))
-
-static struct sbs_cmd ssd_bm_sbs[] = {
- {0x08, SBS_SIZE_WORD, SBS_UNIT_TEMPERATURE, bm_var_offset(temp), SBS_VALUE_MASK, "Temperature"},
- {0x09, SBS_SIZE_WORD, SBS_UNIT_VOLTAGE, bm_var_offset(volt), SBS_VALUE_MASK, "Voltage"},
- {0x0a, SBS_SIZE_WORD, SBS_UNIT_CURRENT, bm_var_offset(curr), SBS_VALUE_MASK, "Current"},
- {0x0b, SBS_SIZE_WORD, SBS_UNIT_ESR, bm_var_offset(esr), SBS_VALUE_MASK, "ESR"},
- {0x0d, SBS_SIZE_BYTE, SBS_UNIT_PERCENT, bm_var_offset(rsoc), SBS_VALUE_MASK, "RelativeStateOfCharge"},
- {0x0e, SBS_SIZE_BYTE, SBS_UNIT_PERCENT, bm_var_offset(health), SBS_VALUE_MASK, "Health"},
- {0x10, SBS_SIZE_WORD, SBS_UNIT_CAPACITANCE, bm_var_offset(cap), SBS_VALUE_MASK, "Capacitance"},
- {0x14, SBS_SIZE_WORD, SBS_UNIT_CURRENT, bm_var_offset(chg_curr), SBS_VALUE_MASK, "ChargingCurrent"},
- {0x15, SBS_SIZE_WORD, SBS_UNIT_VOLTAGE, bm_var_offset(chg_volt), SBS_VALUE_MASK, "ChargingVoltage"},
- {0x3b, SBS_SIZE_WORD, SBS_UNIT_VOLTAGE, (uint8_t)bm_var_offset(cap_volt[4]), SBS_VALUE_MASK, "CapacitorVoltage5"},
- {0x3c, SBS_SIZE_WORD, SBS_UNIT_VOLTAGE, (uint8_t)bm_var_offset(cap_volt[3]), SBS_VALUE_MASK, "CapacitorVoltage4"},
- {0x3d, SBS_SIZE_WORD, SBS_UNIT_VOLTAGE, (uint8_t)bm_var_offset(cap_volt[2]), SBS_VALUE_MASK, "CapacitorVoltage3"},
- {0x3e, SBS_SIZE_WORD, SBS_UNIT_VOLTAGE, (uint8_t)bm_var_offset(cap_volt[1]), SBS_VALUE_MASK, "CapacitorVoltage2"},
- {0x3f, SBS_SIZE_WORD, SBS_UNIT_VOLTAGE, (uint8_t)bm_var_offset(cap_volt[0]), SBS_VALUE_MASK, "CapacitorVoltage1"},
- {0x50, SBS_SIZE_WORD, SBS_UNIT_VALUE, bm_var_offset(sf_alert), 0x870F, "SafetyAlert"},
- {0x51, SBS_SIZE_WORD, SBS_UNIT_VALUE, bm_var_offset(sf_status), 0xE7BF, "SafetyStatus"},
- {0x54, SBS_SIZE_WORD, SBS_UNIT_VALUE, bm_var_offset(op_status), 0x79F4, "OperationStatus"},
- {0x5a, SBS_SIZE_WORD, SBS_UNIT_VOLTAGE, bm_var_offset(sys_volt), SBS_VALUE_MASK, "SystemVoltage"},
- {0, 0, 0, 0, 0, NULL},
-};
-
-/* ssd ioctl */
-#define SSD_CMD_GET_PROTOCOL_INFO _IOR('H', 100, struct ssd_protocol_info)
-#define SSD_CMD_GET_HW_INFO _IOR('H', 101, struct ssd_hw_info)
-#define SSD_CMD_GET_ROM_INFO _IOR('H', 102, struct ssd_rom_info)
-#define SSD_CMD_GET_SMART _IOR('H', 103, struct ssd_smart)
-#define SSD_CMD_GET_IDX _IOR('H', 105, int)
-#define SSD_CMD_GET_AMOUNT _IOR('H', 106, int)
-#define SSD_CMD_GET_TO_INFO _IOR('H', 107, int)
-#define SSD_CMD_GET_DRV_VER _IOR('H', 108, char[DRIVER_VERSION_LEN])
-
-#define SSD_CMD_GET_BBACC_INFO _IOR('H', 109, struct ssd_acc_info)
-#define SSD_CMD_GET_ECACC_INFO _IOR('H', 110, struct ssd_acc_info)
-
-#define SSD_CMD_GET_HW_INFO_EXT _IOR('H', 111, struct ssd_hw_info_extend)
-
-#define SSD_CMD_REG_READ _IOWR('H', 120, struct ssd_reg_op_info)
-#define SSD_CMD_REG_WRITE _IOWR('H', 121, struct ssd_reg_op_info)
-
-#define SSD_CMD_SPI_READ _IOWR('H', 125, struct ssd_spi_op_info)
-#define SSD_CMD_SPI_WRITE _IOWR('H', 126, struct ssd_spi_op_info)
-#define SSD_CMD_SPI_ERASE _IOWR('H', 127, struct ssd_spi_op_info)
-
-#define SSD_CMD_I2C_READ _IOWR('H', 128, struct ssd_i2c_op_info)
-#define SSD_CMD_I2C_WRITE _IOWR('H', 129, struct ssd_i2c_op_info)
-#define SSD_CMD_I2C_WRITE_READ _IOWR('H', 130, struct ssd_i2c_op_info)
-
-#define SSD_CMD_SMBUS_SEND_BYTE _IOWR('H', 131, struct ssd_smbus_op_info)
-#define SSD_CMD_SMBUS_RECEIVE_BYTE _IOWR('H', 132, struct ssd_smbus_op_info)
-#define SSD_CMD_SMBUS_WRITE_BYTE _IOWR('H', 133, struct ssd_smbus_op_info)
-#define SSD_CMD_SMBUS_READ_BYTE _IOWR('H', 135, struct ssd_smbus_op_info)
-#define SSD_CMD_SMBUS_WRITE_WORD _IOWR('H', 136, struct ssd_smbus_op_info)
-#define SSD_CMD_SMBUS_READ_WORD _IOWR('H', 137, struct ssd_smbus_op_info)
-#define SSD_CMD_SMBUS_WRITE_BLOCK _IOWR('H', 138, struct ssd_smbus_op_info)
-#define SSD_CMD_SMBUS_READ_BLOCK _IOWR('H', 139, struct ssd_smbus_op_info)
-
-#define SSD_CMD_BM_GET_VER _IOR('H', 140, uint16_t)
-#define SSD_CMD_BM_GET_NR_CAP _IOR('H', 141, int)
-#define SSD_CMD_BM_CAP_LEARNING _IOW('H', 142, int)
-#define SSD_CMD_CAP_LEARN _IOR('H', 143, uint32_t)
-#define SSD_CMD_GET_CAP_STATUS _IOR('H', 144, int)
-
-#define SSD_CMD_RAM_READ _IOWR('H', 150, struct ssd_ram_op_info)
-#define SSD_CMD_RAM_WRITE _IOWR('H', 151, struct ssd_ram_op_info)
-
-#define SSD_CMD_NAND_READ_ID _IOR('H', 160, struct ssd_flash_op_info)
-#define SSD_CMD_NAND_READ _IOWR('H', 161, struct ssd_flash_op_info) //with oob
-#define SSD_CMD_NAND_WRITE _IOWR('H', 162, struct ssd_flash_op_info)
-#define SSD_CMD_NAND_ERASE _IOWR('H', 163, struct ssd_flash_op_info)
-#define SSD_CMD_NAND_READ_EXT _IOWR('H', 164, struct ssd_flash_op_info) //ingore EIO
-
-#define SSD_CMD_UPDATE_BBT _IOW('H', 180, struct ssd_flash_op_info)
-
-#define SSD_CMD_CLEAR_ALARM _IOW('H', 190, int)
-#define SSD_CMD_SET_ALARM _IOW('H', 191, int)
-
-#define SSD_CMD_RESET _IOW('H', 200, int)
-#define SSD_CMD_RELOAD_FW _IOW('H', 201, int)
-#define SSD_CMD_UNLOAD_DEV _IOW('H', 202, int)
-#define SSD_CMD_LOAD_DEV _IOW('H', 203, int)
-#define SSD_CMD_UPDATE_VP _IOWR('H', 205, uint32_t)
-#define SSD_CMD_FULL_RESET _IOW('H', 206, int)
-
-#define SSD_CMD_GET_NR_LOG _IOR('H', 220, uint32_t)
-#define SSD_CMD_GET_LOG _IOR('H', 221, void *)
-#define SSD_CMD_LOG_LEVEL _IOW('H', 222, int)
-
-#define SSD_CMD_OT_PROTECT _IOW('H', 223, int)
-#define SSD_CMD_GET_OT_STATUS _IOR('H', 224, int)
-
-#define SSD_CMD_CLEAR_LOG _IOW('H', 230, int)
-#define SSD_CMD_CLEAR_SMART _IOW('H', 231, int)
-
-#define SSD_CMD_SW_LOG _IOW('H', 232, struct ssd_sw_log_info)
-
-#define SSD_CMD_GET_LABEL _IOR('H', 235, struct ssd_label)
-#define SSD_CMD_GET_VERSION _IOR('H', 236, struct ssd_version_info)
-#define SSD_CMD_GET_TEMPERATURE _IOR('H', 237, int)
-#define SSD_CMD_GET_BMSTATUS _IOR('H', 238, int)
-#define SSD_CMD_GET_LABEL2 _IOR('H', 239, void *)
-
-
-#define SSD_CMD_FLUSH _IOW('H', 240, int)
-#define SSD_CMD_SAVE_MD _IOW('H', 241, int)
-
-#define SSD_CMD_SET_WMODE _IOW('H', 242, int)
-#define SSD_CMD_GET_WMODE _IOR('H', 243, int)
-#define SSD_CMD_GET_USER_WMODE _IOR('H', 244, int)
-
-#define SSD_CMD_DEBUG _IOW('H', 250, struct ssd_debug_info)
-#define SSD_CMD_DRV_PARAM_INFO _IOR('H', 251, struct ssd_drv_param_info)
-
-#define SSD_CMD_CLEAR_WARNING _IOW('H', 260, int)
-
-
-/* log */
-#define SSD_LOG_MAX_SZ 4096
-#define SSD_LOG_LEVEL SSD_LOG_LEVEL_NOTICE
-#define SSD_DIF_WITH_OLD_LOG 0x3f
-
-enum ssd_log_data
-{
- SSD_LOG_DATA_NONE = 0,
- SSD_LOG_DATA_LOC,
- SSD_LOG_DATA_HEX
-};
-
-typedef struct ssd_log_entry
-{
- union {
- struct {
- uint32_t page:10;
- uint32_t block:14;
- uint32_t flash:8;
- } loc;
- struct {
- uint32_t page:12;
- uint32_t block:12;
- uint32_t flash:8;
- } loc1;
- uint32_t val;
- } data;
- uint16_t event:10;
- uint16_t mod:6;
- uint16_t idx;
-}__attribute__((packed))ssd_log_entry_t;
-
-typedef struct ssd_log
-{
- uint64_t time:56;
- uint64_t ctrl_idx:8;
- ssd_log_entry_t le;
-} __attribute__((packed)) ssd_log_t;
-
-typedef struct ssd_log_desc
-{
- uint16_t event;
- uint8_t level;
- uint8_t data;
- uint8_t sblock;
- uint8_t spage;
- char *desc;
-} __attribute__((packed)) ssd_log_desc_t;
-
-#define SSD_LOG_SW_IDX 0xF
-#define SSD_UNKNOWN_EVENT ((uint16_t)-1)
-static struct ssd_log_desc ssd_log_desc[] = {
- /* event, level, show flash, show block, show page, desc */
- {0x0, SSD_LOG_LEVEL_WARNING, SSD_LOG_DATA_LOC, 0, 0, "Create BBT failure"}, //g3
- {0x1, SSD_LOG_LEVEL_WARNING, SSD_LOG_DATA_LOC, 0, 0, "Read BBT failure"}, //g3
- {0x2, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 0, "Mark bad block"},
- {0x3, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 0, 0, "Flush BBT failure"},
- {0x4, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Program failure"},
- {0x7, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 1, "No available blocks"},
- {0x8, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 0, "Bad EC header"},
- {0x9, SSD_LOG_LEVEL_WARNING, SSD_LOG_DATA_LOC, 1, 0, "Bad VID header"}, //g3
- {0xa, SSD_LOG_LEVEL_INFO, SSD_LOG_DATA_LOC, 1, 0, "Wear leveling"},
- {0xb, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "WL read back failure"},
- {0x11, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 1, "Data recovery failure"}, // err
- {0x20, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 1, "Init: scan mapping table failure"}, // err g3
- {0x21, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Program failure"},
- {0x22, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Program failure"},
- {0x23, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Program failure"},
- {0x24, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 0, "Merge: read mapping page failure"},
- {0x25, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Merge: read back failure"},
- {0x26, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Program failure"},
- {0x27, SSD_LOG_LEVEL_WARNING, SSD_LOG_DATA_LOC, 1, 1, "Data corrupted for abnormal power down"}, //g3
- {0x28, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Merge: mapping page corrupted"},
- {0x29, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 0, "Init: no mapping page"},
- {0x2a, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Init: mapping pages incomplete"},
- {0x2b, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 1, "Read back failure after programming failure"}, // err
- {0xf1, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 1, "Read failure without recovery"}, // err
- {0xf2, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 0, 0, "No available blocks"}, // maybe err g3
- {0xf3, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 0, "Init: RAID incomplete"}, // err g3
- {0xf4, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Program failure"},
- {0xf5, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Read failure in moving data"},
- {0xf6, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Program failure"},
- {0xf7, SSD_LOG_LEVEL_WARNING, SSD_LOG_DATA_LOC, 1, 1, "Init: RAID not complete"},
- {0xf8, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 0, "Init: data moving interrupted"},
- {0xfe, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Data inspection failure"},
- {0xff, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "IO: ECC failed"},
-
- /* new */
- {0x2e, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 0, 0, "No available reserved blocks" }, // err
- {0x30, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 0, 0, "Init: PMT membership not found"},
- {0x31, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "Init: PMT corrupted"},
- {0x32, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 0, 0, "Init: PBT membership not found"},
- {0x33, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 0, 0, "Init: PBT not found"},
- {0x34, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 0, 0, "Init: PBT corrupted"},
- {0x35, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Init: PMT page read failure"},
- {0x36, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Init: PBT page read failure"},
- {0x37, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Init: PBT backup page read failure"},
- {0x38, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Init: PBMT read failure"},
- {0x39, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 1, "Init: PBMT scan failure"}, // err
- {0x3a, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Init: first page read failure"},
- {0x3b, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 1, "Init: first page scan failure"}, // err
- {0x3c, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 1, "Init: scan unclosed block failure"}, // err
- {0x3d, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Init: write pointer mismatch"},
- {0x3e, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Init: PMT recovery: PBMT read failure"},
- {0x3f, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 0, "Init: PMT recovery: PBMT scan failure"},
- {0x40, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 1, "Init: PMT recovery: data page read failure"}, //err
- {0x41, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Init: PBT write pointer mismatch"},
- {0x42, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Init: PBT latest version corrupted"},
- {0x43, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 0, "Init: too many unclosed blocks"},
- {0x44, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "Init: PDW block found"},
- {0x45, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_HEX, 0, 0, "Init: more than one PDW block found"}, //err
- {0x46, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Init: first page is blank or read failure"},
- {0x47, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 0, 0, "Init: PDW block not found"},
-
- {0x50, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 0, "Cache: hit error data"}, // err
- {0x51, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 0, "Cache: read back failure"}, // err
- {0x52, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Cache: unknown command"}, //?
- {0x53, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_LOC, 1, 1, "GC/WL read back failure"}, // err
-
- {0x60, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 0, "Erase failure"},
-
- {0x70, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "LPA not matched"},
- {0x71, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "PBN not matched"},
- {0x72, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Read retry failure"},
- {0x73, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Need raid recovery"},
- {0x74, SSD_LOG_LEVEL_INFO, SSD_LOG_DATA_LOC, 1, 1, "Need read retry"},
- {0x75, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Read invalid data page"},
- {0x76, SSD_LOG_LEVEL_INFO, SSD_LOG_DATA_LOC, 1, 1, "ECC error, data in cache, PBN matched"},
- {0x77, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "ECC error, data in cache, PBN not matched"},
- {0x78, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "ECC error, data in flash, PBN not matched"},
- {0x79, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "ECC ok, data in cache, LPA not matched"},
- {0x7a, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "ECC ok, data in flash, LPA not matched"},
- {0x7b, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "RAID data in cache, LPA not matched"},
- {0x7c, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "RAID data in flash, LPA not matched"},
- {0x7d, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Read data page status error"},
- {0x7e, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Read blank page"},
- {0x7f, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Access flash timeout"},
-
- {0x80, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 0, "EC overflow"},
- {0x81, SSD_LOG_LEVEL_INFO, SSD_LOG_DATA_NONE, 0, 0, "Scrubbing completed"},
- {0x82, SSD_LOG_LEVEL_INFO, SSD_LOG_DATA_LOC, 1, 0, "Unstable block(too much bit flip)"},
- {0x83, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 0, "GC: ram error"}, //?
- {0x84, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 0, "GC: one PBMT read failure"},
-
- {0x88, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 0, "GC: mark bad block"},
- {0x89, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 0, "GC: invalid page count error"}, // maybe err
- {0x8a, SSD_LOG_LEVEL_WARNING, SSD_LOG_DATA_NONE, 0, 0, "Warning: Bad Block close to limit"},
- {0x8b, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_NONE, 0, 0, "Error: Bad Block over limit"},
- {0x8c, SSD_LOG_LEVEL_WARNING, SSD_LOG_DATA_NONE, 0, 0, "Warning: P/E cycles close to limit"},
- {0x8d, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_NONE, 0, 0, "Error: P/E cycles over limit"},
-
- {0x90, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Warning: Over temperature"}, //90
- {0x91, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Info: Temperature is OK"}, //80
- {0x92, SSD_LOG_LEVEL_WARNING, SSD_LOG_DATA_NONE, 0, 0, "Battery fault"},
- {0x93, SSD_LOG_LEVEL_WARNING, SSD_LOG_DATA_NONE, 0, 0, "SEU fault"}, //err
- {0x94, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_NONE, 0, 0, "DDR error"}, //err
- {0x95, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_NONE, 0, 0, "Controller serdes error"}, //err
- {0x96, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_NONE, 0, 0, "Bridge serdes 1 error"}, //err
- {0x97, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_NONE, 0, 0, "Bridge serdes 2 error"}, //err
- {0x98, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "SEU fault (corrected)"}, //err
- {0x99, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Battery is OK"},
- {0x9a, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Info: Temperature close to limit"}, //85
-
- {0x9b, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "SEU fault address (low)"},
- {0x9c, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "SEU fault address (high)"},
- {0x9d, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "I2C fault" },
- {0x9e, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "DDR single bit error" },
- {0x9f, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Board voltage fault" },
-
- {0xa0, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "LPA not matched"},
- {0xa1, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Re-read data in cache"},
- {0xa2, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Read blank page"},
- {0xa3, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "RAID recovery: Read blank page"},
- {0xa4, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "RAID recovery: new data in cache"},
- {0xa5, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "RAID recovery: PBN not matched"},
- {0xa6, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Read data with error flag"},
- {0xa7, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "RAID recovery: recoverd data with error flag"},
- {0xa8, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Blank page in cache, PBN matched"},
- {0xa9, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "RAID recovery: Blank page in cache, PBN matched"},
- {0xaa, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 0, 0, "Flash init failure"},
- {0xab, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "Mapping table recovery failure"},
- {0xac, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_LOC, 1, 1, "RAID recovery: ECC failed"},
- {0xb0, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Warning: Temperature is 95 degrees C"},
- {0xb1, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Warning: Temperature is 100 degrees C"},
-
- {0x300, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_HEX, 0, 0, "CMD timeout"},
- {0x301, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "Power on"},
- {0x302, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Power off"},
- {0x303, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Clear log"},
- {0x304, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "Set capacity"},
- {0x305, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Clear data"},
- {0x306, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "BM safety status"},
- {0x307, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_HEX, 0, 0, "I/O error"},
- {0x308, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "CMD error"},
- {0x309, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "Set wmode"},
- {0x30a, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_HEX, 0, 0, "DDR init failed" },
- {0x30b, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "PCIe link status" },
- {0x30c, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_HEX, 0, 0, "Controller reset sync error" },
- {0x30d, SSD_LOG_LEVEL_ERR, SSD_LOG_DATA_HEX, 0, 0, "Clock fault" },
- {0x30e, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "FPGA voltage fault status" },
- {0x30f, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "Set capacity finished"},
- {0x310, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Clear data finished"},
- {0x311, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "Reset"},
- {0x312, SSD_LOG_LEVEL_WARNING,SSD_LOG_DATA_HEX, 0, 0, "CAP: voltage fault"},
- {0x313, SSD_LOG_LEVEL_WARNING,SSD_LOG_DATA_NONE, 0, 0, "CAP: learn fault"},
- {0x314, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "CAP status"},
- {0x315, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "Board voltage fault status"},
- {0x316, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Info: Inlet temperature is 55 degrees C"}, //55
- {0x317, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Info: Inlet temperature is 50 degrees C"}, //50
- {0x318, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Info: Flash over temperature"}, //70
- {0x319, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Info: Flash temperature is OK"}, //65
- {0x31a, SSD_LOG_LEVEL_WARNING,SSD_LOG_DATA_NONE, 0, 0, "CAP: short circuit"},
- {0x31b, SSD_LOG_LEVEL_WARNING,SSD_LOG_DATA_HEX, 0, 0, "Sensor fault"},
- {0x31c, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Erase all data"},
- {0x31d, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Erase all data finished"},
- {0x320, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "Temperature sensor event"},
-
- {0x350, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Clear smart"},
- {0x351, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_NONE, 0, 0, "Clear warning"},
-
- {SSD_UNKNOWN_EVENT, SSD_LOG_LEVEL_NOTICE, SSD_LOG_DATA_HEX, 0, 0, "unknown event"},
-};
-/* */
-#define SSD_LOG_OVER_TEMP 0x90
-#define SSD_LOG_NORMAL_TEMP 0x91
-#define SSD_LOG_WARN_TEMP 0x9a
-#define SSD_LOG_SEU_FAULT 0x93
-#define SSD_LOG_SEU_FAULT1 0x98
-#define SSD_LOG_BATTERY_FAULT 0x92
-#define SSD_LOG_BATTERY_OK 0x99
-#define SSD_LOG_BOARD_VOLT_FAULT 0x9f
-
-/* software log */
-#define SSD_LOG_TIMEOUT 0x300
-#define SSD_LOG_POWER_ON 0x301
-#define SSD_LOG_POWER_OFF 0x302
-#define SSD_LOG_CLEAR_LOG 0x303
-#define SSD_LOG_SET_CAPACITY 0x304
-#define SSD_LOG_CLEAR_DATA 0x305
-#define SSD_LOG_BM_SFSTATUS 0x306
-#define SSD_LOG_EIO 0x307
-#define SSD_LOG_ECMD 0x308
-#define SSD_LOG_SET_WMODE 0x309
-#define SSD_LOG_DDR_INIT_ERR 0x30a
-#define SSD_LOG_PCIE_LINK_STATUS 0x30b
-#define SSD_LOG_CTRL_RST_SYNC 0x30c
-#define SSD_LOG_CLK_FAULT 0x30d
-#define SSD_LOG_VOLT_FAULT 0x30e
-#define SSD_LOG_SET_CAPACITY_END 0x30F
-#define SSD_LOG_CLEAR_DATA_END 0x310
-#define SSD_LOG_RESET 0x311
-#define SSD_LOG_CAP_VOLT_FAULT 0x312
-#define SSD_LOG_CAP_LEARN_FAULT 0x313
-#define SSD_LOG_CAP_STATUS 0x314
-#define SSD_LOG_VOLT_STATUS 0x315
-#define SSD_LOG_INLET_OVER_TEMP 0x316
-#define SSD_LOG_INLET_NORMAL_TEMP 0x317
-#define SSD_LOG_FLASH_OVER_TEMP 0x318
-#define SSD_LOG_FLASH_NORMAL_TEMP 0x319
-#define SSD_LOG_CAP_SHORT_CIRCUIT 0x31a
-#define SSD_LOG_SENSOR_FAULT 0x31b
-#define SSD_LOG_ERASE_ALL 0x31c
-#define SSD_LOG_ERASE_ALL_END 0x31d
-#define SSD_LOG_TEMP_SENSOR_EVENT 0x320
-#define SSD_LOG_CLEAR_SMART 0x350
-#define SSD_LOG_CLEAR_WARNING 0x351
-
-
-/* sw log fifo depth */
-#define SSD_LOG_FIFO_SZ 1024
-
-
-/* done queue */
-static DEFINE_PER_CPU(struct list_head, ssd_doneq);
-static DEFINE_PER_CPU(struct tasklet_struct, ssd_tasklet);
-
-
-/* unloading driver */
-static volatile int ssd_exiting = 0;
-
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,12))
-static struct class_simple *ssd_class;
-#else
-static struct class *ssd_class;
-#endif
-
-static int ssd_cmajor = SSD_CMAJOR;
-
-/* ssd block device major, minors */
-static int ssd_major = SSD_MAJOR;
-static int ssd_major_sl = SSD_MAJOR_SL;
-static int ssd_minors = SSD_MINORS;
-
-/* ssd device list */
-static struct list_head ssd_list;
-static unsigned long ssd_index_bits[SSD_MAX_DEV / BITS_PER_LONG + 1];
-static unsigned long ssd_index_bits_sl[SSD_MAX_DEV / BITS_PER_LONG + 1];
-static atomic_t ssd_nr;
-
-/* module param */
-enum ssd_drv_mode
-{
- SSD_DRV_MODE_STANDARD = 0, /* full */
- SSD_DRV_MODE_DEBUG = 2, /* debug */
- SSD_DRV_MODE_BASE /* base only */
-};
-
-enum ssd_int_mode
-{
- SSD_INT_LEGACY = 0,
- SSD_INT_MSI,
- SSD_INT_MSIX
-};
-
-#if (defined SSD_MSIX)
-#define SSD_INT_MODE_DEFAULT SSD_INT_MSIX
-#elif (defined SSD_MSI)
-#define SSD_INT_MODE_DEFAULT SSD_INT_MSI
-#else
-/* auto select the defaut int mode according to the kernel version*/
-/* suse 11 sp1 irqbalance bug: use msi instead*/
-#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) || (defined RHEL_MAJOR && RHEL_MAJOR >= 6) || (defined RHEL_MAJOR && RHEL_MAJOR == 5 && RHEL_MINOR >= 5))
-#define SSD_INT_MODE_DEFAULT SSD_INT_MSIX
-#else
-#define SSD_INT_MODE_DEFAULT SSD_INT_MSI
-#endif
-#endif
-
-static int mode = SSD_DRV_MODE_STANDARD;
-static int status_mask = 0xFF;
-static int int_mode = SSD_INT_MODE_DEFAULT;
-static int threaded_irq = 0;
-static int log_level = SSD_LOG_LEVEL_WARNING;
-static int ot_protect = 1;
-static int wmode = SSD_WMODE_DEFAULT;
-static int finject = 0;
-
-module_param(mode, int, 0);
-module_param(status_mask, int, 0);
-module_param(int_mode, int, 0);
-module_param(threaded_irq, int, 0);
-module_param(log_level, int, 0);
-module_param(ot_protect, int, 0);
-module_param(wmode, int, 0);
-module_param(finject, int, 0);
-
-
-MODULE_PARM_DESC(mode, "driver mode, 0 - standard, 1 - debug, 2 - debug without IO, 3 - basic debug mode");
-MODULE_PARM_DESC(status_mask, "command status mask, 0 - without command error, 0xff - with command error");
-MODULE_PARM_DESC(int_mode, "preferred interrupt mode, 0 - legacy, 1 - msi, 2 - msix");
-MODULE_PARM_DESC(threaded_irq, "threaded irq, 0 - normal irq, 1 - threaded irq");
-MODULE_PARM_DESC(log_level, "log level to display, 0 - info and above, 1 - notice and above, 2 - warning and above, 3 - error only");
-MODULE_PARM_DESC(ot_protect, "over temperature protect, 0 - disable, 1 - enable");
-MODULE_PARM_DESC(wmode, "write mode, 0 - write buffer (with risk for the 6xx firmware), 1 - write buffer ex, 2 - write through, 3 - auto, 4 - default");
-MODULE_PARM_DESC(finject, "enable fault simulation, 0 - off, 1 - on, for debug purpose only");
-
-// API adaption layer
-static inline void ssd_bio_endio(struct bio *bio, int error)
-{
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0))
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,13,0))
- bio->bi_error = error;
-#else
- bio->bi_status = errno_to_blk_status(error);
-#endif
- bio_endio(bio);
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24))
- bio_endio(bio, error);
-#else
- bio_endio(bio, bio->bi_size, error);
-#endif
-}
-
-static inline int ssd_bio_has_discard(struct bio *bio)
-{
-#ifndef SSD_TRIM
- return 0;
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0))
- return bio_op(bio) == REQ_OP_DISCARD;
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
- return bio->bi_rw & REQ_DISCARD;
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
- return bio_rw_flagged(bio, BIO_RW_DISCARD);
-#else
- return 0;
-#endif
-}
-
-static inline int ssd_bio_has_flush(struct bio *bio)
-{
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0))
- return bio_op(bio) == REQ_OP_FLUSH;
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
- return bio->bi_rw & REQ_FLUSH;
-#else
- return 0;
-#endif
-}
-
-static inline int ssd_bio_has_barrier_or_fua(struct bio * bio)
-{
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0))
- return bio->bi_opf & REQ_FUA;
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
- return bio->bi_rw & REQ_FUA;
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
- return bio->bi_rw & REQ_HARDBARRIER;
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
- return bio_rw_flagged(bio, BIO_RW_BARRIER);
-#else
- return bio_barrier(bio);
-#endif
-}
-
-#ifndef MODULE
-static int __init ssd_drv_mode(char *str)
-{
- mode = (int)simple_strtoul(str, NULL, 0);
-
- return 1;
-}
-
-static int __init ssd_status_mask(char *str)
-{
- status_mask = (int)simple_strtoul(str, NULL, 16);
-
- return 1;
-}
-
-static int __init ssd_int_mode(char *str)
-{
- int_mode = (int)simple_strtoul(str, NULL, 0);
-
- return 1;
-}
-
-static int __init ssd_threaded_irq(char *str)
-{
- threaded_irq = (int)simple_strtoul(str, NULL, 0);
-
- return 1;
-}
-
-static int __init ssd_log_level(char *str)
-{
- log_level = (int)simple_strtoul(str, NULL, 0);
-
- return 1;
-}
-
-static int __init ssd_ot_protect(char *str)
-{
- ot_protect = (int)simple_strtoul(str, NULL, 0);
-
- return 1;
-}
-
-static int __init ssd_wmode(char *str)
-{
- wmode = (int)simple_strtoul(str, NULL, 0);
-
- return 1;
-}
-
-static int __init ssd_finject(char *str)
-{
- finject = (int)simple_strtoul(str, NULL, 0);
-
- return 1;
-}
-
-__setup(MODULE_NAME"_mode=", ssd_drv_mode);
-__setup(MODULE_NAME"_status_mask=", ssd_status_mask);
-__setup(MODULE_NAME"_int_mode=", ssd_int_mode);
-__setup(MODULE_NAME"_threaded_irq=", ssd_threaded_irq);
-__setup(MODULE_NAME"_log_level=", ssd_log_level);
-__setup(MODULE_NAME"_ot_protect=", ssd_ot_protect);
-__setup(MODULE_NAME"_wmode=", ssd_wmode);
-__setup(MODULE_NAME"_finject=", ssd_finject);
-#endif
-
-
-#ifdef CONFIG_PROC_FS
-#include <linux/proc_fs.h>
-#include <asm/uaccess.h>
-
-#define SSD_PROC_DIR MODULE_NAME
-#define SSD_PROC_INFO "info"
-
-static struct proc_dir_entry *ssd_proc_dir = NULL;
-static struct proc_dir_entry *ssd_proc_info = NULL;
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,2,0))
-static int ssd_proc_read(char *page, char **start,
- off_t off, int count, int *eof, void *data)
-{
- struct ssd_device *dev = NULL;
- struct ssd_device *n = NULL;
- uint64_t size;
- int idx;
- int len = 0;
- //char type; //xx
-
- if (ssd_exiting || off != 0) {
- return 0;
- }
-
- len += snprintf((page + len), (count - len), "Driver Version:\t%s\n", DRIVER_VERSION);
-
- list_for_each_entry_safe(dev, n, &ssd_list, list) {
- idx = dev->idx + 1;
- size = dev->hw_info.size ;
- do_div(size, 1000000000);
-
- len += snprintf((page + len), (count - len), "\n");
-
- len += snprintf((page + len), (count - len), "HIO %d Size:\t%uGB\n", idx, (uint32_t)size);
-
- len += snprintf((page + len), (count - len), "HIO %d Bridge FW VER:\t%03X\n", idx, dev->hw_info.bridge_ver);
- if (dev->hw_info.ctrl_ver != 0) {
- len += snprintf((page + len), (count - len), "HIO %d Controller FW VER:\t%03X\n", idx, dev->hw_info.ctrl_ver);
- }
-
- len += snprintf((page + len), (count - len), "HIO %d PCB VER:\t.%c\n", idx, dev->hw_info.pcb_ver);
-
- if (dev->hw_info.upper_pcb_ver >= 'A') {
- len += snprintf((page + len), (count - len), "HIO %d Upper PCB VER:\t.%c\n", idx, dev->hw_info.upper_pcb_ver);
- }
-
- len += snprintf((page + len), (count - len), "HIO %d Device:\t%s\n", idx, dev->name);
- }
-
- *eof = 1;
- return len;
-}
-
-#else
-
-static int ssd_proc_show(struct seq_file *m, void *v)
-{
- struct ssd_device *dev = NULL;
- struct ssd_device *n = NULL;
- uint64_t size;
- int idx;
-
- if (ssd_exiting) {
- return 0;
- }
-
- seq_printf(m, "Driver Version:\t%s\n", DRIVER_VERSION);
-
- list_for_each_entry_safe(dev, n, &ssd_list, list) {
- idx = dev->idx + 1;
- size = dev->hw_info.size ;
- do_div(size, 1000000000);
-
- seq_printf(m, "\n");
-
- seq_printf(m, "HIO %d Size:\t%uGB\n", idx, (uint32_t)size);
-
- seq_printf(m, "HIO %d Bridge FW VER:\t%03X\n", idx, dev->hw_info.bridge_ver);
- if (dev->hw_info.ctrl_ver != 0) {
- seq_printf(m, "HIO %d Controller FW VER:\t%03X\n", idx, dev->hw_info.ctrl_ver);
- }
-
- seq_printf(m, "HIO %d PCB VER:\t.%c\n", idx, dev->hw_info.pcb_ver);
-
- if (dev->hw_info.upper_pcb_ver >= 'A') {
- seq_printf(m, "HIO %d Upper PCB VER:\t.%c\n", idx, dev->hw_info.upper_pcb_ver);
- }
-
- seq_printf(m, "HIO %d Device:\t%s\n", idx, dev->name);
- }
-
- return 0;
-}
-
-static int ssd_proc_open(struct inode *inode, struct file *file)
-{
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(3,9,0))
- return single_open(file, ssd_proc_show, PDE(inode)->data);
-#else
- return single_open(file, ssd_proc_show, PDE_DATA(inode));
-#endif
-}
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(5,6,0))
-static const struct file_operations ssd_proc_fops = {
- .open = ssd_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-#else
-static const struct proc_ops ssd_proc_fops = {
- .proc_open = ssd_proc_open,
- .proc_read = seq_read,
- .proc_lseek = seq_lseek,
- .proc_release = single_release,
-};
-#endif
-#endif
-
-
-static void ssd_cleanup_proc(void)
-{
- if (ssd_proc_info) {
- remove_proc_entry(SSD_PROC_INFO, ssd_proc_dir);
- ssd_proc_info = NULL;
- }
- if (ssd_proc_dir) {
- remove_proc_entry(SSD_PROC_DIR, NULL);
- ssd_proc_dir = NULL;
- }
-}
-static int ssd_init_proc(void)
-{
- ssd_proc_dir = proc_mkdir(SSD_PROC_DIR, NULL);
- if (!ssd_proc_dir)
- goto out_proc_mkdir;
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,2,0))
- ssd_proc_info = create_proc_entry(SSD_PROC_INFO, S_IFREG | S_IRUGO | S_IWUSR, ssd_proc_dir);
- if (!ssd_proc_info)
- goto out_create_proc_entry;
-
- ssd_proc_info->read_proc = ssd_proc_read;
-
-/* kernel bug */
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30))
- ssd_proc_info->owner = THIS_MODULE;
-#endif
-#else
- ssd_proc_info = proc_create(SSD_PROC_INFO, 0600, ssd_proc_dir, &ssd_proc_fops);
- if (!ssd_proc_info)
- goto out_create_proc_entry;
-#endif
-
- return 0;
-
-out_create_proc_entry:
- remove_proc_entry(SSD_PROC_DIR, NULL);
-out_proc_mkdir:
- return -ENOMEM;
-}
-
-#else
-static void ssd_cleanup_proc(void)
-{
- return;
-}
-static int ssd_init_proc(void)
-{
- return 0;
-}
-#endif /* CONFIG_PROC_FS */
-
-/* sysfs */
-static void ssd_unregister_sysfs(struct ssd_device *dev)
-{
- return;
-}
-
-static int ssd_register_sysfs(struct ssd_device *dev)
-{
- return 0;
-}
-
-static void ssd_cleanup_sysfs(void)
-{
- return;
-}
-
-static int ssd_init_sysfs(void)
-{
- return 0;
-}
-
-static inline void ssd_put_index(int slave, int index)
-{
- unsigned long *index_bits = ssd_index_bits;
-
- if (slave) {
- index_bits = ssd_index_bits_sl;
- }
-
- if (test_and_clear_bit(index, index_bits)) {
- atomic_dec(&ssd_nr);
- }
-}
-
-static inline int ssd_get_index(int slave)
-{
- unsigned long *index_bits = ssd_index_bits;
- int index;
-
- if (slave) {
- index_bits = ssd_index_bits_sl;
- }
-
-find_index:
- if ((index = find_first_zero_bit(index_bits, SSD_MAX_DEV)) >= SSD_MAX_DEV) {
- return -1;
- }
-
- if (test_and_set_bit(index, index_bits)) {
- goto find_index;
- }
-
- atomic_inc(&ssd_nr);
-
- return index;
-}
-
-static void ssd_cleanup_index(void)
-{
- return;
-}
-
-static int ssd_init_index(void)
-{
- INIT_LIST_HEAD(&ssd_list);
- atomic_set(&ssd_nr, 0);
- memset(ssd_index_bits, 0, sizeof(ssd_index_bits));
- memset(ssd_index_bits_sl, 0, sizeof(ssd_index_bits_sl));
-
- return 0;
-}
-
-static void ssd_set_dev_name(char *name, size_t size, int idx)
-{
- if(idx < SSD_ALPHABET_NUM) {
- snprintf(name, size, "%c", 'a'+idx);
- } else {
- idx -= SSD_ALPHABET_NUM;
- snprintf(name, size, "%c%c", 'a'+(idx/SSD_ALPHABET_NUM), 'a'+(idx%SSD_ALPHABET_NUM));
- }
-}
-
-/* pci register r&w */
-static inline void ssd_reg_write(void *addr, uint64_t val)
-{
- iowrite32((uint32_t)val, addr);
- iowrite32((uint32_t)(val >> 32), addr + 4);
- wmb();
-}
-
-static inline uint64_t ssd_reg_read(void *addr)
-{
- uint64_t val;
- uint32_t val_lo, val_hi;
-
- val_lo = ioread32(addr);
- val_hi = ioread32(addr + 4);
-
- rmb();
- val = val_lo | ((uint64_t)val_hi << 32);
-
- return val;
-}
-
-
-#define ssd_reg32_write(addr, val) writel(val, addr)
-#define ssd_reg32_read(addr) readl(addr)
-
-/* alarm led */
-static void ssd_clear_alarm(struct ssd_device *dev)
-{
- uint32_t val;
-
- if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) {
- return;
- }
-
- val = ssd_reg32_read(dev->ctrlp + SSD_LED_REG);
-
- /* firmware control */
- val &= ~0x2;
-
- ssd_reg32_write(dev->ctrlp + SSD_LED_REG, val);
-}
-
-static void ssd_set_alarm(struct ssd_device *dev)
-{
- uint32_t val;
-
- if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) {
- return;
- }
-
- val = ssd_reg32_read(dev->ctrlp + SSD_LED_REG);
-
- /* light up */
- val &= ~0x1;
- /* software control */
- val |= 0x2;
-
- ssd_reg32_write(dev->ctrlp + SSD_LED_REG, val);
-}
-
-#define u32_swap(x) \
- ((uint32_t)( \
- (((uint32_t)(x) & (uint32_t)0x000000ffUL) << 24) | \
- (((uint32_t)(x) & (uint32_t)0x0000ff00UL) << 8) | \
- (((uint32_t)(x) & (uint32_t)0x00ff0000UL) >> 8) | \
- (((uint32_t)(x) & (uint32_t)0xff000000UL) >> 24)))
-
-#define u16_swap(x) \
- ((uint16_t)( \
- (((uint16_t)(x) & (uint16_t)0x00ff) << 8) | \
- (((uint16_t)(x) & (uint16_t)0xff00) >> 8) ))
-
-
-#if 0
-/* No lock, for init only*/
-static int ssd_spi_read_id(struct ssd_device *dev, uint32_t *id)
-{
- uint32_t val;
- unsigned long st;
- int ret = 0;
-
- if (!dev || !id) {
- return -EINVAL;
- }
-
- ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_READ_ID);
-
- val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY);
- val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY);
- val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY);
- val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY);
-
- st = jiffies;
- for (;;) {
- val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY);
- if (val == 0x1000000) {
- break;
- }
-
- if (time_after(jiffies, (st + SSD_SPI_TIMEOUT))) {
- ret = -ETIMEDOUT;
- goto out;
- }
- cond_resched();
- }
-
- val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_ID);
- *id = val;
-
-out:
- return ret;
-}
-#endif
-
-/* spi access */
-static int ssd_init_spi(struct ssd_device *dev)
-{
- uint32_t val;
- unsigned long st;
- int ret = 0;
-
- mutex_lock(&dev->spi_mutex);
- st = jiffies;
- for(;;) {
- ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_READ_STATUS);
-
- do {
- val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY);
-
- if (time_after(jiffies, (st + SSD_SPI_TIMEOUT))) {
- ret = -ETIMEDOUT;
- goto out;
- }
- cond_resched();
- } while (val != 0x1000000);
-
- val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_STATUS);
- if (!(val & 0x1)) {
- break;
- }
-
- if (time_after(jiffies, (st + SSD_SPI_TIMEOUT))) {
- ret = -ETIMEDOUT;
- goto out;
- }
- cond_resched();
- }
-
-out:
- if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) {
- if (val & 0x1) {
- ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_CLSR);
- }
- }
- ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_W_DISABLE);
- mutex_unlock(&dev->spi_mutex);
-
- ret = 0;
-
- return ret;
-}
-
-static int ssd_spi_page_read(struct ssd_device *dev, void *buf, uint32_t off, uint32_t size)
-{
- uint32_t val;
- uint32_t rlen = 0;
- unsigned long st;
- int ret = 0;
-
- if (!dev || !buf) {
- return -EINVAL;
- }
-
- if ((off % sizeof(uint32_t)) != 0 || (size % sizeof(uint32_t)) != 0 || size == 0 ||
- ((uint64_t)off + (uint64_t)size) > dev->rom_info.size || size > dev->rom_info.page_size) {
- return -EINVAL;
- }
-
- mutex_lock(&dev->spi_mutex);
- while (rlen < size) {
- ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD_HI, ((off + rlen) >> 24));
- wmb();
- ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, (((off + rlen) << 8) | SSD_SPI_CMD_READ));
-
- (void)ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY);
- (void)ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY);
- (void)ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY);
- (void)ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY);
-
- st = jiffies;
- for (;;) {
- val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY);
- if (val == 0x1000000) {
- break;
- }
-
- if (time_after(jiffies, (st + SSD_SPI_TIMEOUT))) {
- ret = -ETIMEDOUT;
- goto out;
- }
- cond_resched();
- }
-
- val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_RDATA);
- *(uint32_t *)(buf + rlen)= u32_swap(val);
-
- rlen += sizeof(uint32_t);
- }
-
-out:
- mutex_unlock(&dev->spi_mutex);
- return ret;
-}
-
-static int ssd_spi_page_write(struct ssd_device *dev, void *buf, uint32_t off, uint32_t size)
-{
- uint32_t val;
- uint32_t wlen;
- unsigned long st;
- int i;
- int ret = 0;
-
- if (!dev || !buf) {
- return -EINVAL;
- }
-
- if ((off % sizeof(uint32_t)) != 0 || (size % sizeof(uint32_t)) != 0 || size == 0 ||
- ((uint64_t)off + (uint64_t)size) > dev->rom_info.size || size > dev->rom_info.page_size ||
- (off / dev->rom_info.page_size) != ((off + size - 1) / dev->rom_info.page_size)) {
- return -EINVAL;
- }
-
- mutex_lock(&dev->spi_mutex);
-
- ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_W_ENABLE);
-
- wlen = size / sizeof(uint32_t);
- for (i=0; i<(int)wlen; i++) {
- ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_WDATA, u32_swap(*((uint32_t *)buf + i)));
- }
-
- wmb();
- ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD_HI, (off >> 24));
- wmb();
- ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, ((off << 8) | SSD_SPI_CMD_PROGRAM));
-
- udelay(1);
-
- st = jiffies;
- for (;;) {
- ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_READ_STATUS);
- do {
- val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY);
-
- if (time_after(jiffies, (st + SSD_SPI_TIMEOUT))) {
- ret = -ETIMEDOUT;
- goto out;
- }
- cond_resched();
- } while (val != 0x1000000);
-
- val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_STATUS);
- if (!(val & 0x1)) {
- break;
- }
-
- if (time_after(jiffies, (st + SSD_SPI_TIMEOUT))) {
- ret = -ETIMEDOUT;
- goto out;
- }
- cond_resched();
- }
-
- if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) {
- if ((val >> 6) & 0x1) {
- ret = -EIO;
- goto out;
- }
- }
-
-out:
- if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) {
- if (val & 0x1) {
- ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_CLSR);
- }
- }
- ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_W_DISABLE);
-
- mutex_unlock(&dev->spi_mutex);
-
- return ret;
-}
-
-static int ssd_spi_block_erase(struct ssd_device *dev, uint32_t off)
-{
- uint32_t val;
- unsigned long st;
- int ret = 0;
-
- if (!dev) {
- return -EINVAL;
- }
-
- if ((off % dev->rom_info.block_size) != 0 || off >= dev->rom_info.size) {
- return -EINVAL;
- }
-
- mutex_lock(&dev->spi_mutex);
-
- ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_W_ENABLE);
- ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_W_ENABLE);
-
- wmb();
- ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD_HI, (off >> 24));
- wmb();
- ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, ((off << 8) | SSD_SPI_CMD_ERASE));
-
- st = jiffies;
- for (;;) {
- ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_READ_STATUS);
-
- do {
- val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_READY);
-
- if (time_after(jiffies, (st + SSD_SPI_TIMEOUT))) {
- ret = -ETIMEDOUT;
- goto out;
- }
- cond_resched();
- } while (val != 0x1000000);
-
- val = ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_STATUS);
- if (!(val & 0x1)) {
- break;
- }
-
- if (time_after(jiffies, (st + SSD_SPI_TIMEOUT))) {
- ret = -ETIMEDOUT;
- goto out;
- }
- cond_resched();
- }
-
- if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) {
- if ((val >> 5) & 0x1) {
- ret = -EIO;
- goto out;
- }
- }
-
-out:
- if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) {
- if (val & 0x1) {
- ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_CLSR);
- }
- }
- ssd_reg32_write(dev->ctrlp + SSD_SPI_REG_CMD, SSD_SPI_CMD_W_DISABLE);
-
- mutex_unlock(&dev->spi_mutex);
-
- return ret;
-}
-
-static int ssd_spi_read(struct ssd_device *dev, void *buf, uint32_t off, uint32_t size)
-{
- uint32_t len = 0;
- uint32_t roff;
- uint32_t rsize;
- int ret = 0;
-
- if (!dev || !buf) {
- return -EINVAL;
- }
-
- if ((off % sizeof(uint32_t)) != 0 || (size % sizeof(uint32_t)) != 0 || size == 0 ||
- ((uint64_t)off + (uint64_t)size) > dev->rom_info.size) {
- return -EINVAL;
- }
-
- while (len < size) {
- roff = (off + len) % dev->rom_info.page_size;
- rsize = dev->rom_info.page_size - roff;
- if ((size - len) < rsize) {
- rsize = (size - len);
- }
- roff = off + len;
-
- ret = ssd_spi_page_read(dev, (buf + len), roff, rsize);
- if (ret) {
- goto out;
- }
-
- len += rsize;
-
- cond_resched();
- }
-
-out:
- return ret;
-}
-
-static int ssd_spi_write(struct ssd_device *dev, void *buf, uint32_t off, uint32_t size)
-{
- uint32_t len = 0;
- uint32_t woff;
- uint32_t wsize;
- int ret = 0;
-
- if (!dev || !buf) {
- return -EINVAL;
- }
-
- if ((off % sizeof(uint32_t)) != 0 || (size % sizeof(uint32_t)) != 0 || size == 0 ||
- ((uint64_t)off + (uint64_t)size) > dev->rom_info.size) {
- return -EINVAL;
- }
-
- while (len < size) {
- woff = (off + len) % dev->rom_info.page_size;
- wsize = dev->rom_info.page_size - woff;
- if ((size - len) < wsize) {
- wsize = (size - len);
- }
- woff = off + len;
-
- ret = ssd_spi_page_write(dev, (buf + len), woff, wsize);
- if (ret) {
- goto out;
- }
-
- len += wsize;
-
- cond_resched();
- }
-
-out:
- return ret;
-}
-
-static int ssd_spi_erase(struct ssd_device *dev, uint32_t off, uint32_t size)
-{
- uint32_t len = 0;
- uint32_t eoff;
- int ret = 0;
-
- if (!dev) {
- return -EINVAL;
- }
-
- if (size == 0 || ((uint64_t)off + (uint64_t)size) > dev->rom_info.size ||
- (off % dev->rom_info.block_size) != 0 || (size % dev->rom_info.block_size) != 0) {
- return -EINVAL;
- }
-
- while (len < size) {
- eoff = (off + len);
-
- ret = ssd_spi_block_erase(dev, eoff);
- if (ret) {
- goto out;
- }
-
- len += dev->rom_info.block_size;
-
- cond_resched();
- }
-
-out:
- return ret;
-}
-
-/* i2c access */
-static uint32_t __ssd_i2c_reg32_read(void *addr)
-{
- return ssd_reg32_read(addr);
-}
-
-static void __ssd_i2c_reg32_write(void *addr, uint32_t val)
-{
- ssd_reg32_write(addr, val);
- ssd_reg32_read(addr);
-}
-
-static int __ssd_i2c_clear(struct ssd_device *dev, uint8_t saddr)
-{
- ssd_i2c_ctrl_t ctrl;
- ssd_i2c_data_t data;
- uint8_t status = 0;
- int nr_data = 0;
- unsigned long st;
- int ret = 0;
-
-check_status:
- ctrl.bits.wdata = 0;
- ctrl.bits.addr = SSD_I2C_STATUS_REG;
- ctrl.bits.rw = SSD_I2C_CTRL_READ;
- __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val);
-
- st = jiffies;
- for (;;) {
- data.val = __ssd_i2c_reg32_read(dev->ctrlp + SSD_I2C_RDATA_REG);
- if (data.bits.valid == 0) {
- break;
- }
-
- /* retry */
- if (time_after(jiffies, (st + SSD_I2C_TIMEOUT))) {
- ret = -ETIMEDOUT;
- goto out;
- }
- cond_resched();
- }
- status = data.bits.rdata;
-
- if (!(status & 0x4)) {
- /* clear read fifo data */
- ctrl.bits.wdata = 0;
- ctrl.bits.addr = SSD_I2C_DATA_REG;
- ctrl.bits.rw = SSD_I2C_CTRL_READ;
- __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val);
-
- st = jiffies;
- for (;;) {
- data.val = __ssd_i2c_reg32_read(dev->ctrlp + SSD_I2C_RDATA_REG);
- if (data.bits.valid == 0) {
- break;
- }
-
- /* retry */
- if (time_after(jiffies, (st + SSD_I2C_TIMEOUT))) {
- ret = -ETIMEDOUT;
- goto out;
- }
- cond_resched();
- }
-
- nr_data++;
- if (nr_data <= SSD_I2C_MAX_DATA) {
- goto check_status;
- } else {
- goto out_reset;
- }
- }
-
- if (status & 0x3) {
- /* clear int */
- ctrl.bits.wdata = 0x04;
- ctrl.bits.addr = SSD_I2C_CMD_REG;
- ctrl.bits.rw = SSD_I2C_CTRL_WRITE;
- __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val);
- }
-
- if (!(status & 0x8)) {
-out_reset:
- /* reset i2c controller */
- ctrl.bits.wdata = 0x0;
- ctrl.bits.addr = SSD_I2C_RESET_REG;
- ctrl.bits.rw = SSD_I2C_CTRL_WRITE;
- __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val);
- }
-
-out:
- return ret;
-}
-
-static int ssd_i2c_write(struct ssd_device *dev, uint8_t saddr, uint8_t size, uint8_t *buf)
-{
- ssd_i2c_ctrl_t ctrl;
- ssd_i2c_data_t data;
- uint8_t off = 0;
- uint8_t status = 0;
- unsigned long st;
- int ret = 0;
-
- mutex_lock(&dev->i2c_mutex);
-
- ctrl.val = 0;
-
- /* slave addr */
- ctrl.bits.wdata = saddr;
- ctrl.bits.addr = SSD_I2C_SADDR_REG;
- ctrl.bits.rw = SSD_I2C_CTRL_WRITE;
- __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val);
-
- /* data */
- while (off < size) {
- ctrl.bits.wdata = buf[off];
- ctrl.bits.addr = SSD_I2C_DATA_REG;
- ctrl.bits.rw = SSD_I2C_CTRL_WRITE;
- __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val);
-
- off++;
- }
-
- /* write */
- ctrl.bits.wdata = 0x01;
- ctrl.bits.addr = SSD_I2C_CMD_REG;
- ctrl.bits.rw = SSD_I2C_CTRL_WRITE;
- __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val);
-
- /* wait */
- st = jiffies;
- for (;;) {
- ctrl.bits.wdata = 0;
- ctrl.bits.addr = SSD_I2C_STATUS_REG;
- ctrl.bits.rw = SSD_I2C_CTRL_READ;
- __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val);
-
- for (;;) {
- data.val = __ssd_i2c_reg32_read(dev->ctrlp + SSD_I2C_RDATA_REG);
- if (data.bits.valid == 0) {
- break;
- }
-
- /* retry */
- if (time_after(jiffies, (st + SSD_I2C_TIMEOUT))) {
- ret = -ETIMEDOUT;
- goto out_clear;
- }
- cond_resched();
- }
-
- status = data.bits.rdata;
- if (status & 0x1) {
- break;
- }
-
- if (time_after(jiffies, (st + SSD_I2C_TIMEOUT))) {
- ret = -ETIMEDOUT;
- goto out_clear;
- }
- cond_resched();
- }
-
- if (!(status & 0x1)) {
- ret = -1;
- goto out_clear;
- }
-
- /* busy ? */
- if (status & 0x20) {
- ret = -2;
- goto out_clear;
- }
-
- /* ack ? */
- if (status & 0x10) {
- ret = -3;
- goto out_clear;
- }
-
- /* clear */
-out_clear:
- if (__ssd_i2c_clear(dev, saddr)) {
- if (!ret) ret = -4;
- }
-
- mutex_unlock(&dev->i2c_mutex);
-
- return ret;
-}
-
-static int ssd_i2c_read(struct ssd_device *dev, uint8_t saddr, uint8_t size, uint8_t *buf)
-{
- ssd_i2c_ctrl_t ctrl;
- ssd_i2c_data_t data;
- uint8_t off = 0;
- uint8_t status = 0;
- unsigned long st;
- int ret = 0;
-
- mutex_lock(&dev->i2c_mutex);
-
- ctrl.val = 0;
-
- /* slave addr */
- ctrl.bits.wdata = saddr;
- ctrl.bits.addr = SSD_I2C_SADDR_REG;
- ctrl.bits.rw = SSD_I2C_CTRL_WRITE;
- __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val);
-
- /* read len */
- ctrl.bits.wdata = size;
- ctrl.bits.addr = SSD_I2C_LEN_REG;
- ctrl.bits.rw = SSD_I2C_CTRL_WRITE;
- __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val);
-
- /* read */
- ctrl.bits.wdata = 0x02;
- ctrl.bits.addr = SSD_I2C_CMD_REG;
- ctrl.bits.rw = SSD_I2C_CTRL_WRITE;
- __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val);
-
- /* wait */
- st = jiffies;
- for (;;) {
- ctrl.bits.wdata = 0;
- ctrl.bits.addr = SSD_I2C_STATUS_REG;
- ctrl.bits.rw = SSD_I2C_CTRL_READ;
- __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val);
-
- for (;;) {
- data.val = __ssd_i2c_reg32_read(dev->ctrlp + SSD_I2C_RDATA_REG);
- if (data.bits.valid == 0) {
- break;
- }
-
- /* retry */
- if (time_after(jiffies, (st + SSD_I2C_TIMEOUT))) {
- ret = -ETIMEDOUT;
- goto out_clear;
- }
- cond_resched();
- }
-
- status = data.bits.rdata;
- if (status & 0x2) {
- break;
- }
-
- if (time_after(jiffies, (st + SSD_I2C_TIMEOUT))) {
- ret = -ETIMEDOUT;
- goto out_clear;
- }
- cond_resched();
- }
-
- if (!(status & 0x2)) {
- ret = -1;
- goto out_clear;
- }
-
- /* busy ? */
- if (status & 0x20) {
- ret = -2;
- goto out_clear;
- }
-
- /* ack ? */
- if (status & 0x10) {
- ret = -3;
- goto out_clear;
- }
-
- /* data */
- while (off < size) {
- ctrl.bits.wdata = 0;
- ctrl.bits.addr = SSD_I2C_DATA_REG;
- ctrl.bits.rw = SSD_I2C_CTRL_READ;
- __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val);
-
- st = jiffies;
- for (;;) {
- data.val = __ssd_i2c_reg32_read(dev->ctrlp + SSD_I2C_RDATA_REG);
- if (data.bits.valid == 0) {
- break;
- }
-
- /* retry */
- if (time_after(jiffies, (st + SSD_I2C_TIMEOUT))) {
- ret = -ETIMEDOUT;
- goto out_clear;
- }
- cond_resched();
- }
-
- buf[off] = data.bits.rdata;
-
- off++;
- }
-
- /* clear */
-out_clear:
- if (__ssd_i2c_clear(dev, saddr)) {
- if (!ret) ret = -4;
- }
-
- mutex_unlock(&dev->i2c_mutex);
-
- return ret;
-}
-
-static int ssd_i2c_write_read(struct ssd_device *dev, uint8_t saddr, uint8_t wsize, uint8_t *wbuf, uint8_t rsize, uint8_t *rbuf)
-{
- ssd_i2c_ctrl_t ctrl;
- ssd_i2c_data_t data;
- uint8_t off = 0;
- uint8_t status = 0;
- unsigned long st;
- int ret = 0;
-
- mutex_lock(&dev->i2c_mutex);
-
- ctrl.val = 0;
-
- /* slave addr */
- ctrl.bits.wdata = saddr;
- ctrl.bits.addr = SSD_I2C_SADDR_REG;
- ctrl.bits.rw = SSD_I2C_CTRL_WRITE;
- __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val);
-
- /* data */
- off = 0;
- while (off < wsize) {
- ctrl.bits.wdata = wbuf[off];
- ctrl.bits.addr = SSD_I2C_DATA_REG;
- ctrl.bits.rw = SSD_I2C_CTRL_WRITE;
- __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val);
-
- off++;
- }
-
- /* read len */
- ctrl.bits.wdata = rsize;
- ctrl.bits.addr = SSD_I2C_LEN_REG;
- ctrl.bits.rw = SSD_I2C_CTRL_WRITE;
- __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val);
-
- /* write -> read */
- ctrl.bits.wdata = 0x03;
- ctrl.bits.addr = SSD_I2C_CMD_REG;
- ctrl.bits.rw = SSD_I2C_CTRL_WRITE;
- __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val);
-
- /* wait */
- st = jiffies;
- for (;;) {
- ctrl.bits.wdata = 0;
- ctrl.bits.addr = SSD_I2C_STATUS_REG;
- ctrl.bits.rw = SSD_I2C_CTRL_READ;
- __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val);
-
- for (;;) {
- data.val = __ssd_i2c_reg32_read(dev->ctrlp + SSD_I2C_RDATA_REG);
- if (data.bits.valid == 0) {
- break;
- }
-
- /* retry */
- if (time_after(jiffies, (st + SSD_I2C_TIMEOUT))) {
- ret = -ETIMEDOUT;
- goto out_clear;
- }
- cond_resched();
- }
-
- status = data.bits.rdata;
- if (status & 0x2) {
- break;
- }
-
- if (time_after(jiffies, (st + SSD_I2C_TIMEOUT))) {
- ret = -ETIMEDOUT;
- goto out_clear;
- }
- cond_resched();
- }
-
- if (!(status & 0x2)) {
- ret = -1;
- goto out_clear;
- }
-
- /* busy ? */
- if (status & 0x20) {
- ret = -2;
- goto out_clear;
- }
-
- /* ack ? */
- if (status & 0x10) {
- ret = -3;
- goto out_clear;
- }
-
- /* data */
- off = 0;
- while (off < rsize) {
- ctrl.bits.wdata = 0;
- ctrl.bits.addr = SSD_I2C_DATA_REG;
- ctrl.bits.rw = SSD_I2C_CTRL_READ;
- __ssd_i2c_reg32_write(dev->ctrlp + SSD_I2C_CTRL_REG, ctrl.val);
-
- st = jiffies;
- for (;;) {
- data.val = __ssd_i2c_reg32_read(dev->ctrlp + SSD_I2C_RDATA_REG);
- if (data.bits.valid == 0) {
- break;
- }
-
- /* retry */
- if (time_after(jiffies, (st + SSD_I2C_TIMEOUT))) {
- ret = -ETIMEDOUT;
- goto out_clear;
- }
- cond_resched();
- }
-
- rbuf[off] = data.bits.rdata;
-
- off++;
- }
-
- /* clear */
-out_clear:
- if (__ssd_i2c_clear(dev, saddr)) {
- if (!ret) ret = -4;
- }
- mutex_unlock(&dev->i2c_mutex);
-
- return ret;
-}
-
-static int ssd_smbus_send_byte(struct ssd_device *dev, uint8_t saddr, uint8_t *buf)
-{
- int i = 0;
- int ret = 0;
-
- for (;;) {
- ret = ssd_i2c_write(dev, saddr, 1, buf);
- if (!ret || -ETIMEDOUT == ret) {
- break;
- }
-
- i++;
- if (i >= SSD_SMBUS_RETRY_MAX) {
- break;
- }
- msleep(SSD_SMBUS_RETRY_INTERVAL);
- }
-
- return ret;
-}
-
-static int ssd_smbus_receive_byte(struct ssd_device *dev, uint8_t saddr, uint8_t *buf)
-{
- int i = 0;
- int ret = 0;
-
- for (;;) {
- ret = ssd_i2c_read(dev, saddr, 1, buf);
- if (!ret || -ETIMEDOUT == ret) {
- break;
- }
-
- i++;
- if (i >= SSD_SMBUS_RETRY_MAX) {
- break;
- }
- msleep(SSD_SMBUS_RETRY_INTERVAL);
- }
-
- return ret;
-}
-
-static int ssd_smbus_write_byte(struct ssd_device *dev, uint8_t saddr, uint8_t cmd, uint8_t *buf)
-{
- uint8_t smb_data[SSD_SMBUS_DATA_MAX] = {0};
- int i = 0;
- int ret = 0;
-
- smb_data[0] = cmd;
- memcpy((smb_data + 1), buf, 1);
-
- for (;;) {
- ret = ssd_i2c_write(dev, saddr, 2, smb_data);
- if (!ret || -ETIMEDOUT == ret) {
- break;
- }
-
- i++;
- if (i >= SSD_SMBUS_RETRY_MAX) {
- break;
- }
- msleep(SSD_SMBUS_RETRY_INTERVAL);
- }
-
- return ret;
-}
-
-static int ssd_smbus_read_byte(struct ssd_device *dev, uint8_t saddr, uint8_t cmd, uint8_t *buf)
-{
- uint8_t smb_data[SSD_SMBUS_DATA_MAX] = {0};
- int i = 0;
- int ret = 0;
-
- smb_data[0] = cmd;
-
- for (;;) {
- ret = ssd_i2c_write_read(dev, saddr, 1, smb_data, 1, buf);
- if (!ret || -ETIMEDOUT == ret) {
- break;
- }
-
- i++;
- if (i >= SSD_SMBUS_RETRY_MAX) {
- break;
- }
- msleep(SSD_SMBUS_RETRY_INTERVAL);
- }
-
- return ret;
-}
-
-static int ssd_smbus_write_word(struct ssd_device *dev, uint8_t saddr, uint8_t cmd, uint8_t *buf)
-{
- uint8_t smb_data[SSD_SMBUS_DATA_MAX] = {0};
- int i = 0;
- int ret = 0;
-
- smb_data[0] = cmd;
- memcpy((smb_data + 1), buf, 2);
-
- for (;;) {
- ret = ssd_i2c_write(dev, saddr, 3, smb_data);
- if (!ret || -ETIMEDOUT == ret) {
- break;
- }
-
- i++;
- if (i >= SSD_SMBUS_RETRY_MAX) {
- break;
- }
- msleep(SSD_SMBUS_RETRY_INTERVAL);
- }
-
- return ret;
-}
-
-static int ssd_smbus_read_word(struct ssd_device *dev, uint8_t saddr, uint8_t cmd, uint8_t *buf)
-{
- uint8_t smb_data[SSD_SMBUS_DATA_MAX] = {0};
- int i = 0;
- int ret = 0;
-
- smb_data[0] = cmd;
-
- for (;;) {
- ret = ssd_i2c_write_read(dev, saddr, 1, smb_data, 2, buf);
- if (!ret || -ETIMEDOUT == ret) {
- break;
- }
-
- i++;
- if (i >= SSD_SMBUS_RETRY_MAX) {
- break;
- }
- msleep(SSD_SMBUS_RETRY_INTERVAL);
- }
-
- return ret;
-}
-
-static int ssd_smbus_write_block(struct ssd_device *dev, uint8_t saddr, uint8_t cmd, uint8_t size, uint8_t *buf)
-{
- uint8_t smb_data[SSD_SMBUS_DATA_MAX] = {0};
- int i = 0;
- int ret = 0;
-
- smb_data[0] = cmd;
- smb_data[1] = size;
- memcpy((smb_data + 2), buf, size);
-
- for (;;) {
- ret = ssd_i2c_write(dev, saddr, (2 + size), smb_data);
- if (!ret || -ETIMEDOUT == ret) {
- break;
- }
-
- i++;
- if (i >= SSD_SMBUS_RETRY_MAX) {
- break;
- }
- msleep(SSD_SMBUS_RETRY_INTERVAL);
- }
-
- return ret;
-}
-
-static int ssd_smbus_read_block(struct ssd_device *dev, uint8_t saddr, uint8_t cmd, uint8_t size, uint8_t *buf)
-{
- uint8_t smb_data[SSD_SMBUS_DATA_MAX] = {0};
- uint8_t rsize;
- int i = 0;
- int ret = 0;
-
- smb_data[0] = cmd;
-
- for (;;) {
- ret = ssd_i2c_write_read(dev, saddr, 1, smb_data, (SSD_SMBUS_BLOCK_MAX + 1), (smb_data + 1));
- if (!ret || -ETIMEDOUT == ret) {
- break;
- }
-
- i++;
- if (i >= SSD_SMBUS_RETRY_MAX) {
- break;
- }
- msleep(SSD_SMBUS_RETRY_INTERVAL);
- }
- if (ret) {
- return ret;
- }
-
- rsize = smb_data[1];
-
- if (rsize > size ) {
- rsize = size;
- }
-
- memcpy(buf, (smb_data + 2), rsize);
-
- return 0;
-}
-
-
-static int ssd_gen_swlog(struct ssd_device *dev, uint16_t event, uint32_t data);
-
-/* sensor */
-static int ssd_init_lm75(struct ssd_device *dev, uint8_t saddr)
-{
- uint8_t conf = 0;
- int ret = 0;
-
- ret = ssd_smbus_read_byte(dev, saddr, SSD_LM75_REG_CONF, &conf);
- if (ret) {
- goto out;
- }
-
- conf &= (uint8_t)(~1u);
-
- ret = ssd_smbus_write_byte(dev, saddr, SSD_LM75_REG_CONF, &conf);
- if (ret) {
- goto out;
- }
-
-out:
- return ret;
-}
-
-static int ssd_lm75_read(struct ssd_device *dev, uint8_t saddr, uint16_t *data)
-{
- uint16_t val = 0;
- int ret;
-
- ret = ssd_smbus_read_word(dev, saddr, SSD_LM75_REG_TEMP, (uint8_t *)&val);
- if (ret) {
- return ret;
- }
-
- *data = u16_swap(val);
-
- return 0;
-}
-
-static int ssd_init_lm80(struct ssd_device *dev, uint8_t saddr)
-{
- uint8_t val;
- uint8_t low, high;
- int i;
- int ret = 0;
-
- /* init */
- val = 0x80;
- ret = ssd_smbus_write_byte(dev, saddr, SSD_LM80_REG_CONFIG, &val);
- if (ret) {
- goto out;
- }
-
- /* 11-bit temp */
- val = 0x08;
- ret = ssd_smbus_write_byte(dev, saddr, SSD_LM80_REG_RES, &val);
- if (ret) {
- goto out;
- }
-
- /* set volt limit */
- for (i=0; i<SSD_LM80_IN_NR; i++) {
- high = ssd_lm80_limit[i].high;
- low = ssd_lm80_limit[i].low;
-
- if (SSD_LM80_IN_CAP == i) {
- low = 0;
- }
-
- if (dev->hw_info.nr_ctrl <= 1 && SSD_LM80_IN_1V2 == i) {
- high = 0xFF;
- low = 0;
- }
-
- /* high limit */
- ret = ssd_smbus_write_byte(dev, saddr, SSD_LM80_REG_IN_MAX(i), &high);
- if (ret) {
- goto out;
- }
-
- /* low limit*/
- ret = ssd_smbus_write_byte(dev, saddr, SSD_LM80_REG_IN_MIN(i), &low);
- if (ret) {
- goto out;
- }
- }
-
- /* set interrupt mask: allow volt in interrupt except cap in*/
- val = 0x81;
- ret = ssd_smbus_write_byte(dev, saddr, SSD_LM80_REG_MASK1, &val);
- if (ret) {
- goto out;
- }
-
- /* set interrupt mask: disable others */
- val = 0xFF;
- ret = ssd_smbus_write_byte(dev, saddr, SSD_LM80_REG_MASK2, &val);
- if (ret) {
- goto out;
- }
-
- /* start */
- val = 0x03;
- ret = ssd_smbus_write_byte(dev, saddr, SSD_LM80_REG_CONFIG, &val);
- if (ret) {
- goto out;
- }
-
-out:
- return ret;
-}
-
-static int ssd_lm80_enable_in(struct ssd_device *dev, uint8_t saddr, int idx)
-{
- uint8_t val = 0;
- int ret = 0;
-
- if (idx >= SSD_LM80_IN_NR || idx < 0) {
- return -EINVAL;
- }
-
- ret = ssd_smbus_read_byte(dev, saddr, SSD_LM80_REG_MASK1, &val);
- if (ret) {
- goto out;
- }
-
- val &= ~(1UL << (uint32_t)idx);
-
- ret = ssd_smbus_write_byte(dev, saddr, SSD_LM80_REG_MASK1, &val);
- if (ret) {
- goto out;
- }
-
-out:
- return ret;
-}
-
-static int ssd_lm80_disable_in(struct ssd_device *dev, uint8_t saddr, int idx)
-{
- uint8_t val = 0;
- int ret = 0;
-
- if (idx >= SSD_LM80_IN_NR || idx < 0) {
- return -EINVAL;
- }
-
- ret = ssd_smbus_read_byte(dev, saddr, SSD_LM80_REG_MASK1, &val);
- if (ret) {
- goto out;
- }
-
- val |= (1UL << (uint32_t)idx);
-
- ret = ssd_smbus_write_byte(dev, saddr, SSD_LM80_REG_MASK1, &val);
- if (ret) {
- goto out;
- }
-
-out:
- return ret;
-}
-
-static int ssd_lm80_read_temp(struct ssd_device *dev, uint8_t saddr, uint16_t *data)
-{
- uint16_t val = 0;
- int ret;
-
- ret = ssd_smbus_read_word(dev, saddr, SSD_LM80_REG_TEMP, (uint8_t *)&val);
- if (ret) {
- return ret;
- }
-
- *data = u16_swap(val);
-
- return 0;
-}
-static int ssd_generate_sensor_fault_log(struct ssd_device *dev, uint16_t event, uint8_t addr,uint32_t ret)
-{
- uint32_t data;
- data = ((ret & 0xffff) << 16) | (addr << 8) | addr;
- ssd_gen_swlog(dev,event,data);
- return 0;
-}
-static int ssd_lm80_check_event(struct ssd_device *dev, uint8_t saddr)
-{
- uint32_t volt;
- uint16_t val = 0, status;
- uint8_t alarm1 = 0, alarm2 = 0;
- uint32_t low, high;
- int i,j=0;
- int ret = 0;
-
- /* read interrupt status to clear interrupt */
- ret = ssd_smbus_read_byte(dev, saddr, SSD_LM80_REG_ALARM1, &alarm1);
- if (ret) {
- goto out;
- }
-
- ret = ssd_smbus_read_byte(dev, saddr, SSD_LM80_REG_ALARM2, &alarm2);
- if (ret) {
- goto out;
- }
-
- status = (uint16_t)alarm1 | ((uint16_t)alarm2 << 8);
-
- /* parse inetrrupt status */
- for (i=0; i<SSD_LM80_IN_NR; i++) {
- if (!((status >> (uint32_t)i) & 0x1)) {
- if (test_and_clear_bit(SSD_HWMON_LM80(i), &dev->hwmon)) {
- /* enable INx irq */
- ret = ssd_lm80_enable_in(dev, saddr, i);
- if (ret) {
- goto out;
- }
- }
-
- continue;
- }
-
- /* disable INx irq */
- ret = ssd_lm80_disable_in(dev, saddr, i);
- if (ret) {
- goto out;
- }
-
- if (test_and_set_bit(SSD_HWMON_LM80(i), &dev->hwmon)) {
- continue;
- }
-
- high = (uint32_t)ssd_lm80_limit[i].high * (uint32_t)10;
- low = (uint32_t)ssd_lm80_limit[i].low * (uint32_t)10;
-
- for (j=0; j<3; j++) {
- ret = ssd_smbus_read_word(dev, saddr, SSD_LM80_REG_IN(i), (uint8_t *)&val);
- if (ret) {
- goto out;
- }
- volt = SSD_LM80_CONVERT_VOLT(u16_swap(val));
- if ((volt>high) || (volt<=low)) {
- if(j<2) {
- msleep(SSD_LM80_CONV_INTERVAL);
- }
- } else {
- break;
- }
- }
-
- if (j<3) {
- continue;
- }
-
- switch (i) {
- case SSD_LM80_IN_CAP: {
- if (0 == volt) {
- ssd_gen_swlog(dev, SSD_LOG_CAP_SHORT_CIRCUIT, 0);
- } else {
- ssd_gen_swlog(dev, SSD_LOG_CAP_VOLT_FAULT, SSD_PL_CAP_VOLT(volt));
- }
- break;
- }
-
- case SSD_LM80_IN_1V2:
- case SSD_LM80_IN_1V2a:
- case SSD_LM80_IN_1V5:
- case SSD_LM80_IN_1V8: {
- ssd_gen_swlog(dev, SSD_LOG_VOLT_STATUS, SSD_VOLT_LOG_DATA(i, 0, volt));
- break;
- }
- case SSD_LM80_IN_FPGA_3V3:
- case SSD_LM80_IN_3V3: {
- ssd_gen_swlog(dev, SSD_LOG_VOLT_STATUS, SSD_VOLT_LOG_DATA(i, 0, SSD_LM80_3V3_VOLT(volt)));
- break;
- }
- default:
- break;
- }
- }
-
-out:
- if (ret) {
- if (!test_and_set_bit(SSD_HWMON_SENSOR(SSD_SENSOR_LM80), &dev->hwmon)) {
- ssd_generate_sensor_fault_log(dev, SSD_LOG_SENSOR_FAULT, (uint32_t)saddr,ret);
- }
- } else {
- test_and_clear_bit(SSD_HWMON_SENSOR(SSD_SENSOR_LM80), &dev->hwmon);
- }
- return ret;
-}
-
-
-static int ssd_init_sensor(struct ssd_device *dev)
-{
- int ret = 0;
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- goto out;
- }
-
- ret = ssd_init_lm75(dev, SSD_SENSOR_LM75_SADDRESS);
- if (ret) {
- hio_warn("%s: init lm75 failed\n", dev->name);
- if (!test_and_set_bit(SSD_HWMON_SENSOR(SSD_SENSOR_LM75), &dev->hwmon)) {
- ssd_generate_sensor_fault_log(dev, SSD_LOG_SENSOR_FAULT, SSD_SENSOR_LM75_SADDRESS,ret);
- }
- goto out;
- }
-
- if (dev->hw_info.pcb_ver >= 'B' || dev->hw_info_ext.form_factor == SSD_FORM_FACTOR_HHHL) {
- ret = ssd_init_lm80(dev, SSD_SENSOR_LM80_SADDRESS);
- if (ret) {
- hio_warn("%s: init lm80 failed\n", dev->name);
- if (!test_and_set_bit(SSD_HWMON_SENSOR(SSD_SENSOR_LM80), &dev->hwmon)) {
- ssd_generate_sensor_fault_log(dev, SSD_LOG_SENSOR_FAULT, SSD_SENSOR_LM80_SADDRESS,ret);
- }
- goto out;
- }
- }
-
-out:
- /* skip error if not in standard mode */
- if (mode != SSD_DRV_MODE_STANDARD) {
- ret = 0;
- }
- return ret;
-}
-
-/* board volt */
-static int ssd_mon_boardvolt(struct ssd_device *dev)
-{
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- return 0;
- }
-
- if (dev->hw_info_ext.form_factor == SSD_FORM_FACTOR_FHHL && dev->hw_info.pcb_ver < 'B') {
- return 0;
- }
-
- return ssd_lm80_check_event(dev, SSD_SENSOR_LM80_SADDRESS);
-}
-
-/* temperature */
-static int ssd_mon_temp(struct ssd_device *dev)
-{
- int cur;
- uint16_t val = 0;
- int ret = 0;
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- return 0;
- }
-
- if (dev->hw_info_ext.form_factor == SSD_FORM_FACTOR_FHHL && dev->hw_info.pcb_ver < 'B') {
- return 0;
- }
-
- /* inlet */
- ret = ssd_lm80_read_temp(dev, SSD_SENSOR_LM80_SADDRESS, &val);
- if (ret) {
- if (!test_and_set_bit(SSD_HWMON_SENSOR(SSD_SENSOR_LM80), &dev->hwmon)) {
- ssd_generate_sensor_fault_log(dev, SSD_LOG_TEMP_SENSOR_EVENT, SSD_SENSOR_LM80_SADDRESS,ret);
- }
- goto out;
- }
- test_and_clear_bit(SSD_HWMON_SENSOR(SSD_SENSOR_LM80), &dev->hwmon);
-
- cur = SSD_SENSOR_CONVERT_TEMP(val);
- if (cur >= SSD_INLET_OT_TEMP) {
- if (!test_and_set_bit(SSD_HWMON_TEMP(SSD_TEMP_INLET), &dev->hwmon)) {
- ssd_gen_swlog(dev, SSD_LOG_INLET_OVER_TEMP, (uint32_t)cur);
- }
- } else if(cur < SSD_INLET_OT_HYST) {
- if (test_and_clear_bit(SSD_HWMON_TEMP(SSD_TEMP_INLET), &dev->hwmon)) {
- ssd_gen_swlog(dev, SSD_LOG_INLET_NORMAL_TEMP, (uint32_t)cur);
- }
- }
-
- /* flash */
- ret = ssd_lm75_read(dev, SSD_SENSOR_LM75_SADDRESS, &val);
- if (ret) {
- if (!test_and_set_bit(SSD_HWMON_SENSOR(SSD_SENSOR_LM75), &dev->hwmon)) {
- ssd_generate_sensor_fault_log(dev, SSD_LOG_TEMP_SENSOR_EVENT, SSD_SENSOR_LM75_SADDRESS,ret);
- }
- goto out;
- }
- test_and_clear_bit(SSD_HWMON_SENSOR(SSD_SENSOR_LM75), &dev->hwmon);
-
- cur = SSD_SENSOR_CONVERT_TEMP(val);
- if (cur >= SSD_FLASH_OT_TEMP) {
- if (!test_and_set_bit(SSD_HWMON_TEMP(SSD_TEMP_FLASH), &dev->hwmon)) {
- ssd_gen_swlog(dev, SSD_LOG_FLASH_OVER_TEMP, (uint32_t)cur);
- }
- } else if(cur < SSD_FLASH_OT_HYST) {
- if (test_and_clear_bit(SSD_HWMON_TEMP(SSD_TEMP_FLASH), &dev->hwmon)) {
- ssd_gen_swlog(dev, SSD_LOG_FLASH_NORMAL_TEMP, (uint32_t)cur);
- }
- }
-
-out:
- return ret;
-}
-
-/* cmd tag */
-static inline void ssd_put_tag(struct ssd_device *dev, int tag)
-{
- test_and_clear_bit(tag, dev->tag_map);
- wake_up(&dev->tag_wq);
-}
-
-static inline int ssd_get_tag(struct ssd_device *dev, int wait)
-{
- int tag;
-
-find_tag:
- while ((tag = find_first_zero_bit(dev->tag_map, dev->hw_info.cmd_fifo_sz)) >= atomic_read(&dev->queue_depth)) {
- DEFINE_WAIT(__wait);
-
- if (!wait) {
- return -1;
- }
-
- prepare_to_wait_exclusive(&dev->tag_wq, &__wait, TASK_UNINTERRUPTIBLE);
- schedule();
-
- finish_wait(&dev->tag_wq, &__wait);
- }
-
- if (test_and_set_bit(tag, dev->tag_map)) {
- goto find_tag;
- }
-
- return tag;
-}
-
-static void ssd_barrier_put_tag(struct ssd_device *dev, int tag)
-{
- test_and_clear_bit(tag, dev->tag_map);
-}
-
-static int ssd_barrier_get_tag(struct ssd_device *dev)
-{
- int tag = 0;
-
- if (test_and_set_bit(tag, dev->tag_map)) {
- return -1;
- }
-
- return tag;
-}
-
-static void ssd_barrier_end(struct ssd_device *dev)
-{
- atomic_set(&dev->queue_depth, dev->hw_info.cmd_fifo_sz);
- wake_up_all(&dev->tag_wq);
-
- mutex_unlock(&dev->barrier_mutex);
-}
-
-static int ssd_barrier_start(struct ssd_device *dev)
-{
- int i;
-
- mutex_lock(&dev->barrier_mutex);
-
- atomic_set(&dev->queue_depth, 0);
-
- for (i=0; i<SSD_CMD_TIMEOUT; i++) {
- if (find_first_bit(dev->tag_map, dev->hw_info.cmd_fifo_sz) >= dev->hw_info.cmd_fifo_sz) {
- return 0;
- }
-
- __set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(1);
- }
-
- atomic_set(&dev->queue_depth, dev->hw_info.cmd_fifo_sz);
- wake_up_all(&dev->tag_wq);
-
- mutex_unlock(&dev->barrier_mutex);
-
- return -EBUSY;
-}
-
-static int ssd_busy(struct ssd_device *dev)
-{
- if (find_first_bit(dev->tag_map, dev->hw_info.cmd_fifo_sz) >= dev->hw_info.cmd_fifo_sz) {
- return 0;
- }
-
- return 1;
-}
-
-static int ssd_wait_io(struct ssd_device *dev)
-{
- int i;
-
- for (i=0; i<SSD_CMD_TIMEOUT; i++) {
- if (find_first_bit(dev->tag_map, dev->hw_info.cmd_fifo_sz) >= dev->hw_info.cmd_fifo_sz) {
- return 0;
- }
-
- __set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(1);
- }
-
- return -EBUSY;
-}
-
-#if 0
-static int ssd_in_barrier(struct ssd_device *dev)
-{
- return (0 == atomic_read(&dev->queue_depth));
-}
-#endif
-
-static void ssd_cleanup_tag(struct ssd_device *dev)
-{
- kfree(dev->tag_map);
-}
-
-static int ssd_init_tag(struct ssd_device *dev)
-{
- int nr_ulongs = ALIGN(dev->hw_info.cmd_fifo_sz, BITS_PER_LONG) / BITS_PER_LONG;
-
- mutex_init(&dev->barrier_mutex);
-
- atomic_set(&dev->queue_depth, dev->hw_info.cmd_fifo_sz);
-
- dev->tag_map = kmalloc(nr_ulongs * sizeof(unsigned long), GFP_ATOMIC);
- if (!dev->tag_map) {
- return -ENOMEM;
- }
-
- memset(dev->tag_map, 0, nr_ulongs * sizeof(unsigned long));
-
- init_waitqueue_head(&dev->tag_wq);
-
- return 0;
-}
-
-/* io stat */
-static void ssd_end_io_acct(struct ssd_cmd *cmd)
-{
- struct ssd_device *dev = cmd->dev;
- struct bio *bio = cmd->bio;
- unsigned long dur = jiffies - cmd->start_time;
- int rw = bio_data_dir(bio);
-#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,0)) || (defined RHEL_MAJOR && RHEL_MAJOR == 6 && RHEL_MINOR >= 7))
-#else
- unsigned long flag;
-#endif
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,8,0))
- bio_end_io_acct(bio, cmd->start_time);
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
- struct hd_struct *part = disk_map_sector_rcu(dev->gd, bio_start(bio));
- generic_end_io_acct(dev->rq, rw, part, cmd->start_time);
-#elif ((LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,0)) || (defined RHEL_MAJOR && RHEL_MAJOR == 6 && RHEL_MINOR >= 7))
- int cpu = part_stat_lock();
- struct hd_struct *part = disk_map_sector_rcu(dev->gd, bio_start(bio));
- part_round_stats(cpu, part);
- part_stat_add(cpu, part, ticks[rw], dur);
- part_dec_in_flight(part, rw);
- part_stat_unlock();
-#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,27))
- int cpu = part_stat_lock();
- struct hd_struct *part = &dev->gd->part0;
- part_round_stats(cpu, part);
- part_stat_add(cpu, part, ticks[rw], dur);
-
- spin_lock_irqsave(&dev->in_flight_lock,flag);
- part->in_flight[rw]--;
- spin_unlock_irqrestore(&dev->in_flight_lock,flag);
-
- part_stat_unlock();
-
-#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,14))
- preempt_disable();
- disk_round_stats(dev->gd);
- disk_stat_add(dev->gd, ticks[rw], dur);
-
- spin_lock_irqsave(&dev->in_flight_lock,flag);
- dev->gd->in_flight--;
- spin_unlock_irqrestore(&dev->in_flight_lock,flag);
-
- preempt_enable();
-
-#else
- preempt_disable();
- disk_round_stats(dev->gd);
- if (rw == WRITE) {
- disk_stat_add(dev->gd, write_ticks, dur);
- } else {
- disk_stat_add(dev->gd, read_ticks, dur);
- }
- spin_lock_irqsave(&dev->in_flight_lock,flag);
- dev->gd->in_flight--;
- spin_unlock_irqrestore(&dev->in_flight_lock,flag);
-
- preempt_enable();
-
-#endif
-}
-
-static void ssd_start_io_acct(struct ssd_cmd *cmd)
-{
- struct ssd_device *dev = cmd->dev;
- struct bio *bio = cmd->bio;
- int rw = bio_data_dir(bio);
-#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,0)) || (defined RHEL_MAJOR && RHEL_MAJOR == 6 && RHEL_MINOR >= 7))
-#else
- unsigned long flag;
-#endif
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,8,0))
- cmd->start_time = bio_start_io_acct(bio);
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
- struct hd_struct *part = disk_map_sector_rcu(dev->gd, bio_start(bio));
- generic_start_io_acct(dev->rq, rw, bio_sectors(bio), part);
- cmd->start_time = jiffies;
-#elif ((LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,0)) || (defined RHEL_MAJOR && RHEL_MAJOR == 6 && RHEL_MINOR >= 7))
- int cpu = part_stat_lock();
- struct hd_struct *part = disk_map_sector_rcu(dev->gd, bio_start(bio));
- part_round_stats(cpu, part);
- part_stat_inc(cpu, part, ios[rw]);
- part_stat_add(cpu, part, sectors[rw], bio_sectors(bio));
- part_inc_in_flight(part, rw);
- part_stat_unlock();
- cmd->start_time = jiffies;
-#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,27))
- int cpu = part_stat_lock();
- struct hd_struct *part = &dev->gd->part0;
- part_round_stats(cpu, part);
- part_stat_inc(cpu, part, ios[rw]);
- part_stat_add(cpu, part, sectors[rw], bio_sectors(bio));
-
- spin_lock_irqsave(&dev->in_flight_lock,flag);
- part->in_flight[rw]++;
- spin_unlock_irqrestore(&dev->in_flight_lock,flag);
-
- part_stat_unlock();
- cmd->start_time = jiffies;
-
-#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,14))
- preempt_disable();
- disk_round_stats(dev->gd);
- disk_stat_inc(dev->gd, ios[rw]);
- disk_stat_add(dev->gd, sectors[rw], bio_sectors(bio));
-
- spin_lock_irqsave(&dev->in_flight_lock,flag);
- dev->gd->in_flight++;
- spin_unlock_irqrestore(&dev->in_flight_lock,flag);
-
- preempt_enable();
- cmd->start_time = jiffies;
-#else
- preempt_disable();
- disk_round_stats(dev->gd);
- if (rw == WRITE) {
- disk_stat_inc(dev->gd, writes);
- disk_stat_add(dev->gd, write_sectors, bio_sectors(bio));
- } else {
- disk_stat_inc(dev->gd, reads);
- disk_stat_add(dev->gd, read_sectors, bio_sectors(bio));
- }
-
- spin_lock_irqsave(&dev->in_flight_lock,flag);
- dev->gd->in_flight++;
- spin_unlock_irqrestore(&dev->in_flight_lock,flag);
-
- preempt_enable();
- cmd->start_time = jiffies;
-#endif
-}
-
-/* io */
-static void ssd_queue_bio(struct ssd_device *dev, struct bio *bio)
-{
- spin_lock(&dev->sendq_lock);
- ssd_blist_add(&dev->sendq, bio);
- spin_unlock(&dev->sendq_lock);
-
- atomic_inc(&dev->in_sendq);
- wake_up(&dev->send_waitq);
-}
-
-static inline void ssd_end_request(struct ssd_cmd *cmd)
-{
- struct ssd_device *dev = cmd->dev;
- struct bio *bio = cmd->bio;
- int errors = cmd->errors;
- int tag = cmd->tag;
-
- if (bio) {
- if (!ssd_bio_has_discard(bio)) {
- ssd_end_io_acct(cmd);
- if (!cmd->flag) {
- pci_unmap_sg(dev->pdev, cmd->sgl, cmd->nsegs,
- bio_data_dir(bio) == READ ? PCI_DMA_FROMDEVICE : PCI_DMA_TODEVICE);
- }
- }
-
- cmd->bio = NULL;
- ssd_put_tag(dev, tag);
-
- if (SSD_INT_MSIX == dev->int_mode || tag < 16 || errors) {
- ssd_bio_endio(bio, errors);
- } else /* if (bio->bi_idx >= bio->bi_vcnt)*/ {
- spin_lock(&dev->doneq_lock);
- ssd_blist_add(&dev->doneq, bio);
- spin_unlock(&dev->doneq_lock);
-
- atomic_inc(&dev->in_doneq);
- wake_up(&dev->done_waitq);
- }
- } else {
- if (cmd->waiting) {
- complete(cmd->waiting);
- }
- }
-}
-
-static void ssd_end_timeout_request(struct ssd_cmd *cmd)
-{
- struct ssd_device *dev = cmd->dev;
- struct ssd_rw_msg *msg = (struct ssd_rw_msg *)cmd->msg;
- int i;
-
- for (i=0; i<dev->nr_queue; i++) {
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,10,0))
- disable_irq(dev->entry[i].vector);
-#else
- disable_irq(pci_irq_vector(dev->pdev, i));
-#endif
- }
-
- atomic_inc(&dev->tocnt);
- //if (cmd->bio) {
- hio_err("%s: cmd timeout: tag %d fun %#x\n", dev->name, msg->tag, msg->fun);
- cmd->errors = -ETIMEDOUT;
- ssd_end_request(cmd);
- //}
-
- for (i=0; i<dev->nr_queue; i++) {
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,10,0))
- enable_irq(dev->entry[i].vector);
-#else
- enable_irq(pci_irq_vector(dev->pdev, i));
-#endif
- }
-
- /* alarm led */
- ssd_set_alarm(dev);
-}
-
-/* cmd timer */
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,15,0))
-static void ssd_cmd_add_timer(struct ssd_cmd *cmd, int timeout, void (*complt)(struct ssd_cmd *))
-#else
-static void ssd_cmd_add_timer(struct ssd_cmd *cmd, int timeout, void (*complt)(struct timer_list *))
-#endif
-{
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,15,0))
- init_timer(&cmd->cmd_timer);
-
- cmd->cmd_timer.data = (unsigned long)cmd;
- cmd->cmd_timer.function = (void (*)(unsigned long)) complt;
-#else
- timer_setup(&cmd->cmd_timer, complt, 0);
-#endif
-
- cmd->cmd_timer.expires = jiffies + timeout;
- add_timer(&cmd->cmd_timer);
-}
-
-static int ssd_cmd_del_timer(struct ssd_cmd *cmd)
-{
- return del_timer(&cmd->cmd_timer);
-}
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,15,0))
-static void ssd_add_timer(struct timer_list *timer, int timeout, void (*complt)(void *), void *data)
-#else
-static void ssd_add_timer(struct timer_list *timer, int timeout, void (*complt)(struct timer_list *), void *data)
-#endif
-{
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,15,0))
- init_timer(timer);
-
- timer->data = (unsigned long)data;
- timer->function = (void (*)(unsigned long)) complt;
-#else
- timer_setup(timer, complt, 0);
-#endif
-
- timer->expires = jiffies + timeout;
- add_timer(timer);
-}
-
-static int ssd_del_timer(struct timer_list *timer)
-{
- return del_timer(timer);
-}
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,15,0))
-static void ssd_cmd_timeout(struct ssd_cmd *cmd)
-#else
-static void ssd_cmd_timeout(struct timer_list *t)
-#endif
-{
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,15,0))
- struct ssd_cmd *cmd = from_timer(cmd, t, cmd_timer);
-#endif
- struct ssd_device *dev = cmd->dev;
- uint32_t msg = *(uint32_t *)cmd->msg;
-
- ssd_end_timeout_request(cmd);
-
- ssd_gen_swlog(dev, SSD_LOG_TIMEOUT, msg);
-}
-
-
-static void __ssd_done(unsigned long data)
-{
- struct ssd_cmd *cmd;
- LIST_HEAD(localq);
-
- local_irq_disable();
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,13,0))
- list_splice_init(&__get_cpu_var(ssd_doneq), &localq);
-#else
- list_splice_init(this_cpu_ptr(&ssd_doneq), &localq);
-#endif
- local_irq_enable();
-
- while (!list_empty(&localq)) {
- cmd = list_entry(localq.next, struct ssd_cmd, list);
- list_del_init(&cmd->list);
-
- ssd_end_request(cmd);
- }
-}
-
-static void __ssd_done_db(unsigned long data)
-{
- struct ssd_cmd *cmd;
- struct ssd_device *dev;
- struct bio *bio;
- LIST_HEAD(localq);
-
- local_irq_disable();
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,13,0))
- list_splice_init(&__get_cpu_var(ssd_doneq), &localq);
-#else
- list_splice_init(this_cpu_ptr(&ssd_doneq), &localq);
-#endif
- local_irq_enable();
-
- while (!list_empty(&localq)) {
- cmd = list_entry(localq.next, struct ssd_cmd, list);
- list_del_init(&cmd->list);
-
- dev = (struct ssd_device *)cmd->dev;
- bio = cmd->bio;
-
- if (bio) {
- sector_t off = dev->db_info.data.loc.off;
- uint32_t len = dev->db_info.data.loc.len;
-
- switch (dev->db_info.type) {
- case SSD_DEBUG_READ_ERR:
- if (bio_data_dir(bio) == READ &&
- !((off + len) <= bio_start(bio) || off >= (bio_start(bio) + bio_sectors(bio)))) {
- cmd->errors = -EIO;
- }
- break;
- case SSD_DEBUG_WRITE_ERR:
- if (bio_data_dir(bio) == WRITE &&
- !((off + len) <= bio_start(bio) || off >= (bio_start(bio) + bio_sectors(bio)))) {
- cmd->errors = -EROFS;
- }
- break;
- case SSD_DEBUG_RW_ERR:
- if (!((off + len) <= bio_start(bio) || off >= (bio_start(bio) + bio_sectors(bio)))) {
- if (bio_data_dir(bio) == READ) {
- cmd->errors = -EIO;
- } else {
- cmd->errors = -EROFS;
- }
- }
- break;
- default:
- break;
- }
- }
-
- ssd_end_request(cmd);
- }
-}
-
-static inline void ssd_done_bh(struct ssd_cmd *cmd)
-{
- unsigned long flags = 0;
-
- if (unlikely(!ssd_cmd_del_timer(cmd))) {
- struct ssd_device *dev = cmd->dev;
- struct ssd_rw_msg *msg = (struct ssd_rw_msg *)cmd->msg;
- hio_err("%s: unknown cmd: tag %d fun %#x\n", dev->name, msg->tag, msg->fun);
-
- /* alarm led */
- ssd_set_alarm(dev);
- return;
- }
-
- local_irq_save(flags);
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,13,0))
- list_add_tail(&cmd->list, &__get_cpu_var(ssd_doneq));
- tasklet_hi_schedule(&__get_cpu_var(ssd_tasklet));
-#else
- list_add_tail(&cmd->list, this_cpu_ptr(&ssd_doneq));
- tasklet_hi_schedule(this_cpu_ptr(&ssd_tasklet));
-#endif
- local_irq_restore(flags);
-
- return;
-}
-
-static inline void ssd_done(struct ssd_cmd *cmd)
-{
- if (unlikely(!ssd_cmd_del_timer(cmd))) {
- struct ssd_device *dev = cmd->dev;
- struct ssd_rw_msg *msg = (struct ssd_rw_msg *)cmd->msg;
- hio_err("%s: unknown cmd: tag %d fun %#x\n", dev->name, msg->tag, msg->fun);
-
- /* alarm led */
- ssd_set_alarm(dev);
- return;
- }
-
- ssd_end_request(cmd);
-
- return;
-}
-
-static inline void ssd_dispatch_cmd(struct ssd_cmd *cmd)
-{
- struct ssd_device *dev = (struct ssd_device *)cmd->dev;
-
- ssd_cmd_add_timer(cmd, SSD_CMD_TIMEOUT, ssd_cmd_timeout);
-
- spin_lock(&dev->cmd_lock);
- ssd_reg_write(dev->ctrlp + SSD_REQ_FIFO_REG, cmd->msg_dma);
- spin_unlock(&dev->cmd_lock);
-}
-
-static inline void ssd_send_cmd(struct ssd_cmd *cmd)
-{
- struct ssd_device *dev = (struct ssd_device *)cmd->dev;
-
- ssd_cmd_add_timer(cmd, SSD_CMD_TIMEOUT, ssd_cmd_timeout);
-
- ssd_reg32_write(dev->ctrlp + SSD_REQ_FIFO_REG, ((uint32_t)cmd->tag | ((uint32_t)cmd->nsegs << 16)));
-}
-
-static inline void ssd_send_cmd_db(struct ssd_cmd *cmd)
-{
- struct ssd_device *dev = (struct ssd_device *)cmd->dev;
- struct bio *bio = cmd->bio;
-
- ssd_cmd_add_timer(cmd, SSD_CMD_TIMEOUT, ssd_cmd_timeout);
-
- if (bio) {
- switch (dev->db_info.type) {
- case SSD_DEBUG_READ_TO:
- if (bio_data_dir(bio) == READ) {
- return;
- }
- break;
- case SSD_DEBUG_WRITE_TO:
- if (bio_data_dir(bio) == WRITE) {
- return;
- }
- break;
- case SSD_DEBUG_RW_TO:
- return;
- break;
- default:
- break;
- }
- }
-
- ssd_reg32_write(dev->ctrlp + SSD_REQ_FIFO_REG, ((uint32_t)cmd->tag | ((uint32_t)cmd->nsegs << 16)));
-}
-
-
-/* fixed for BIOVEC_PHYS_MERGEABLE */
-#ifdef SSD_BIOVEC_PHYS_MERGEABLE_FIXED
-#include <linux/bio.h>
-#include <linux/io.h>
-#include <xen/page.h>
-
-static bool xen_biovec_phys_mergeable_fixed(const struct bio_vec *vec1,
- const struct bio_vec *vec2)
-{
- unsigned long mfn1 = pfn_to_mfn(page_to_pfn(vec1->bv_page));
- unsigned long mfn2 = pfn_to_mfn(page_to_pfn(vec2->bv_page));
-
- return __BIOVEC_PHYS_MERGEABLE(vec1, vec2) &&
- ((mfn1 == mfn2) || ((mfn1+1) == mfn2));
-}
-
-#ifdef BIOVEC_PHYS_MERGEABLE
-#undef BIOVEC_PHYS_MERGEABLE
-#endif
-#define BIOVEC_PHYS_MERGEABLE(vec1, vec2) \
- (__BIOVEC_PHYS_MERGEABLE(vec1, vec2) && \
- (!xen_domain() || xen_biovec_phys_mergeable_fixed(vec1, vec2)))
-
-#endif
-
-/*
- * BIOVEC_PHYS_MERGEABLE not available from 4.20 onward, and it seems likely
- * that all the merging that can be done has been done by the block core
- * already. Just stub it out.
- */
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(4,20,0))
-# ifdef BIOVEC_PHYS_MERGEABLE
-# undef BIOVEC_PHYS_MERGEABLE
-# endif
-# define BIOVEC_PHYS_MERGEABLE(vec1, vec2) (0)
-#endif
-
-static inline int ssd_bio_map_sg(struct ssd_device *dev, struct bio *bio, struct scatterlist *sgl)
-{
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,14,0))
- struct bio_vec *bvec, *bvprv = NULL;
- struct scatterlist *sg = NULL;
- int i = 0, nsegs = 0;
-
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,23))
- sg_init_table(sgl, dev->hw_info.cmd_max_sg);
-#endif
-
- /*
- * for each segment in bio
- */
- bio_for_each_segment(bvec, bio, i) {
- if (bvprv && BIOVEC_PHYS_MERGEABLE(bvprv, bvec)) {
- sg->length += bvec->bv_len;
- } else {
- if (unlikely(nsegs >= (int)dev->hw_info.cmd_max_sg)) {
- break;
- }
-
- sg = sg ? (sg + 1) : sgl;
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24))
- sg_set_page(sg, bvec->bv_page, bvec->bv_len, bvec->bv_offset);
-#else
- sg->page = bvec->bv_page;
- sg->length = bvec->bv_len;
- sg->offset = bvec->bv_offset;
-#endif
- nsegs++;
- }
- bvprv = bvec;
- }
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24))
- if (sg) {
- sg_mark_end(sg);
- }
-#endif
-
- bio->bi_idx = i;
-
- return nsegs;
-#else
- struct bio_vec bvec, bvprv;
- struct bvec_iter iter;
- struct scatterlist *sg = NULL;
- int nsegs = 0;
- int first = 1;
-
- sg_init_table(sgl, dev->hw_info.cmd_max_sg);
-
- /*
- * for each segment in bio
- */
- bio_for_each_segment(bvec, bio, iter) {
- if (!first && BIOVEC_PHYS_MERGEABLE(&bvprv, &bvec)) {
- sg->length += bvec.bv_len;
- } else {
- if (unlikely(nsegs >= (int)dev->hw_info.cmd_max_sg)) {
- break;
- }
-
- sg = sg ? (sg + 1) : sgl;
-
- sg_set_page(sg, bvec.bv_page, bvec.bv_len, bvec.bv_offset);
-
- nsegs++;
- first = 0;
- }
- bvprv = bvec;
- }
-
- if (sg) {
- sg_mark_end(sg);
- }
-
- return nsegs;
-#endif
-}
-
-
-static int __ssd_submit_pbio(struct ssd_device *dev, struct bio *bio, int wait)
-{
- struct ssd_cmd *cmd;
- struct ssd_rw_msg *msg;
- struct ssd_sg_entry *sge;
- sector_t block = bio_start(bio);
- int tag;
- int i;
-
- tag = ssd_get_tag(dev, wait);
- if (tag < 0) {
- return -EBUSY;
- }
-
- cmd = &dev->cmd[tag];
- cmd->bio = bio;
- cmd->flag = 1;
-
- msg = (struct ssd_rw_msg *)cmd->msg;
-
- if (ssd_bio_has_discard(bio)) {
- unsigned int length = bio_sectors(bio);
-
- //printk(KERN_WARNING "%s: discard len %u, block %llu\n", dev->name, bio_sectors(bio), block);
- msg->tag = tag;
- msg->fun = SSD_FUNC_TRIM;
-
- sge = msg->sge;
- for (i=0; i<(dev->hw_info.cmd_max_sg); i++) {
- sge->block = block;
- sge->length = (length >= dev->hw_info.sg_max_sec) ? dev->hw_info.sg_max_sec : length;
- sge->buf = 0;
-
- block += sge->length;
- length -= sge->length;
- sge++;
-
- if (length <= 0) {
- ++i;
- break;
- }
- }
- msg->nsegs = cmd->nsegs = i;
-
- dev->scmd(cmd);
- return 0;
- }
-
- //msg->nsegs = cmd->nsegs = ssd_bio_map_sg(dev, bio, sgl);
- msg->nsegs = cmd->nsegs = bio->bi_vcnt;
-
- //xx
- if (bio_data_dir(bio) == READ) {
- msg->fun = SSD_FUNC_READ;
- msg->flag = 0;
- } else {
- msg->fun = SSD_FUNC_WRITE;
- msg->flag = dev->wmode;
- }
-
- sge = msg->sge;
- for (i=0; i<bio->bi_vcnt; i++) {
- sge->block = block;
- sge->length = bio->bi_io_vec[i].bv_len >> 9;
- sge->buf = (uint64_t)((void *)bio->bi_io_vec[i].bv_page + bio->bi_io_vec[i].bv_offset);
-
- block += sge->length;
- sge++;
- }
-
- msg->tag = tag;
-
-#ifdef SSD_OT_PROTECT
- if (unlikely(dev->ot_delay > 0 && dev->ot_protect != 0)) {
- msleep_interruptible(dev->ot_delay);
- }
-#endif
-
- ssd_start_io_acct(cmd);
- dev->scmd(cmd);
-
- return 0;
-}
-
-static inline int ssd_submit_bio(struct ssd_device *dev, struct bio *bio, int wait)
-{
- struct ssd_cmd *cmd;
- struct ssd_rw_msg *msg;
- struct ssd_sg_entry *sge;
- struct scatterlist *sgl;
- sector_t block = bio_start(bio);
- int tag;
- int i;
-
- tag = ssd_get_tag(dev, wait);
- if (tag < 0) {
- return -EBUSY;
- }
-
- cmd = &dev->cmd[tag];
- cmd->bio = bio;
- cmd->flag = 0;
-
- msg = (struct ssd_rw_msg *)cmd->msg;
-
- sgl = cmd->sgl;
-
- if (ssd_bio_has_discard(bio)) {
- unsigned int length = bio_sectors(bio);
-
- //printk(KERN_WARNING "%s: discard len %u, block %llu\n", dev->name, bio_sectors(bio), block);
- msg->tag = tag;
- msg->fun = SSD_FUNC_TRIM;
-
- sge = msg->sge;
- for (i=0; i<(dev->hw_info.cmd_max_sg); i++) {
- sge->block = block;
- sge->length = (length >= dev->hw_info.sg_max_sec) ? dev->hw_info.sg_max_sec : length;
- sge->buf = 0;
-
- block += sge->length;
- length -= sge->length;
- sge++;
-
- if (length <= 0) {
- ++i;
- break;
- }
- }
- msg->nsegs = cmd->nsegs = i;
-
- dev->scmd(cmd);
- return 0;
- }
-
- msg->nsegs = cmd->nsegs = ssd_bio_map_sg(dev, bio, sgl);
-
- //xx
- if (bio_data_dir(bio) == READ) {
- msg->fun = SSD_FUNC_READ;
- msg->flag = 0;
- pci_map_sg(dev->pdev, sgl, cmd->nsegs, PCI_DMA_FROMDEVICE);
- } else {
- msg->fun = SSD_FUNC_WRITE;
- msg->flag = dev->wmode;
- pci_map_sg(dev->pdev, sgl, cmd->nsegs, PCI_DMA_TODEVICE);
- }
-
- sge = msg->sge;
- for (i=0; i<cmd->nsegs; i++) {
- sge->block = block;
- sge->length = sg_dma_len(sgl) >> 9;
- sge->buf = sg_dma_address(sgl);
-
- block += sge->length;
- sgl++;
- sge++;
- }
-
- msg->tag = tag;
-
-#ifdef SSD_OT_PROTECT
- if (unlikely(dev->ot_delay > 0 && dev->ot_protect != 0)) {
- msleep_interruptible(dev->ot_delay);
- }
-#endif
-
- ssd_start_io_acct(cmd);
- dev->scmd(cmd);
-
- return 0;
-}
-
-/* threads */
-static int ssd_done_thread(void *data)
-{
- struct ssd_device *dev;
- struct bio *bio;
- struct bio *next;
-
- if (!data) {
- return -EINVAL;
- }
- dev = data;
-
- current->flags |= PF_NOFREEZE;
- //set_user_nice(current, -5);
-
- while (!kthread_should_stop()) {
- wait_event_interruptible(dev->done_waitq, (atomic_read(&dev->in_doneq) || kthread_should_stop()));
-
- while (atomic_read(&dev->in_doneq)) {
- if (threaded_irq) {
- spin_lock(&dev->doneq_lock);
- bio = ssd_blist_get(&dev->doneq);
- spin_unlock(&dev->doneq_lock);
- } else {
- spin_lock_irq(&dev->doneq_lock);
- bio = ssd_blist_get(&dev->doneq);
- spin_unlock_irq(&dev->doneq_lock);
- }
-
- while (bio) {
- next = bio->bi_next;
- bio->bi_next = NULL;
- ssd_bio_endio(bio, 0);
- atomic_dec(&dev->in_doneq);
- bio = next;
- }
-
- cond_resched();
-
-#ifdef SSD_ESCAPE_IRQ
- if (unlikely(smp_processor_id() == dev->irq_cpu)) {
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28))
- cpumask_var_t new_mask;
- if (alloc_cpumask_var(&new_mask, GFP_ATOMIC)) {
- cpumask_setall(new_mask);
- cpumask_clear_cpu(dev->irq_cpu, new_mask);
- set_cpus_allowed_ptr(current, new_mask);
- free_cpumask_var(new_mask);
- }
-#else
- cpumask_t new_mask;
- cpus_setall(new_mask);
- cpu_clear(dev->irq_cpu, new_mask);
- set_cpus_allowed(current, new_mask);
-#endif
- }
-#endif
- }
- }
- return 0;
-}
-
-static int ssd_send_thread(void *data)
-{
- struct ssd_device *dev;
- struct bio *bio;
- struct bio *next;
-
- if (!data) {
- return -EINVAL;
- }
- dev = data;
-
- current->flags |= PF_NOFREEZE;
- //set_user_nice(current, -5);
-
- while (!kthread_should_stop()) {
- wait_event_interruptible(dev->send_waitq, (atomic_read(&dev->in_sendq) || kthread_should_stop()));
-
- while (atomic_read(&dev->in_sendq)) {
- spin_lock(&dev->sendq_lock);
- bio = ssd_blist_get(&dev->sendq);
- spin_unlock(&dev->sendq_lock);
-
- while (bio) {
- next = bio->bi_next;
- bio->bi_next = NULL;
-#ifdef SSD_QUEUE_PBIO
- if (test_and_clear_bit(BIO_SSD_PBIO, &bio->bi_flags)) {
- __ssd_submit_pbio(dev, bio, 1);
- } else {
- ssd_submit_bio(dev, bio, 1);
- }
-#else
- ssd_submit_bio(dev, bio, 1);
-#endif
- atomic_dec(&dev->in_sendq);
- bio = next;
- }
-
- cond_resched();
-
-#ifdef SSD_ESCAPE_IRQ
- if (unlikely(smp_processor_id() == dev->irq_cpu)) {
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28))
- cpumask_var_t new_mask;
- if (alloc_cpumask_var(&new_mask, GFP_ATOMIC)) {
- cpumask_setall(new_mask);
- cpumask_clear_cpu(dev->irq_cpu, new_mask);
- set_cpus_allowed_ptr(current, new_mask);
- free_cpumask_var(new_mask);
- }
-#else
- cpumask_t new_mask;
- cpus_setall(new_mask);
- cpu_clear(dev->irq_cpu, new_mask);
- set_cpus_allowed(current, new_mask);
-#endif
- }
-#endif
- }
- }
-
- return 0;
-}
-
-static void ssd_cleanup_thread(struct ssd_device *dev)
-{
- kthread_stop(dev->send_thread);
- kthread_stop(dev->done_thread);
-}
-
-static int ssd_init_thread(struct ssd_device *dev)
-{
- int ret;
-
- atomic_set(&dev->in_doneq, 0);
- atomic_set(&dev->in_sendq, 0);
-
- spin_lock_init(&dev->doneq_lock);
- spin_lock_init(&dev->sendq_lock);
-
- ssd_blist_init(&dev->doneq);
- ssd_blist_init(&dev->sendq);
-
- init_waitqueue_head(&dev->done_waitq);
- init_waitqueue_head(&dev->send_waitq);
-
- dev->done_thread = kthread_run(ssd_done_thread, dev, "%s/d", dev->name);
- if (IS_ERR(dev->done_thread)) {
- ret = PTR_ERR(dev->done_thread);
- goto out_done_thread;
- }
-
- dev->send_thread = kthread_run(ssd_send_thread, dev, "%s/s", dev->name);
- if (IS_ERR(dev->send_thread)) {
- ret = PTR_ERR(dev->send_thread);
- goto out_send_thread;
- }
-
- return 0;
-
-out_send_thread:
- kthread_stop(dev->done_thread);
-out_done_thread:
- return ret;
-}
-
-/* dcmd pool */
-static void ssd_put_dcmd(struct ssd_dcmd *dcmd)
-{
- struct ssd_device *dev = (struct ssd_device *)dcmd->dev;
-
- spin_lock(&dev->dcmd_lock);
- list_add_tail(&dcmd->list, &dev->dcmd_list);
- spin_unlock(&dev->dcmd_lock);
-}
-
-static struct ssd_dcmd *ssd_get_dcmd(struct ssd_device *dev)
-{
- struct ssd_dcmd *dcmd = NULL;
-
- spin_lock(&dev->dcmd_lock);
- if (!list_empty(&dev->dcmd_list)) {
- dcmd = list_entry(dev->dcmd_list.next,
- struct ssd_dcmd, list);
- list_del_init(&dcmd->list);
- }
- spin_unlock(&dev->dcmd_lock);
-
- return dcmd;
-}
-
-static void ssd_cleanup_dcmd(struct ssd_device *dev)
-{
- kfree(dev->dcmd);
-}
-
-static int ssd_init_dcmd(struct ssd_device *dev)
-{
- struct ssd_dcmd *dcmd;
- int dcmd_sz = sizeof(struct ssd_dcmd)*dev->hw_info.cmd_fifo_sz;
- int i;
-
- spin_lock_init(&dev->dcmd_lock);
- INIT_LIST_HEAD(&dev->dcmd_list);
- init_waitqueue_head(&dev->dcmd_wq);
-
- dev->dcmd = kmalloc(dcmd_sz, GFP_KERNEL);
- if (!dev->dcmd) {
- hio_warn("%s: can not alloc dcmd\n", dev->name);
- goto out_alloc_dcmd;
- }
- memset(dev->dcmd, 0, dcmd_sz);
-
- for (i=0, dcmd=dev->dcmd; i<(int)dev->hw_info.cmd_fifo_sz; i++, dcmd++) {
- dcmd->dev = dev;
- INIT_LIST_HEAD(&dcmd->list);
- list_add_tail(&dcmd->list, &dev->dcmd_list);
- }
-
- return 0;
-
-out_alloc_dcmd:
- return -ENOMEM;
-}
-
-static void ssd_put_dmsg(void *msg)
-{
- struct ssd_dcmd *dcmd = container_of(msg, struct ssd_dcmd, msg);
- struct ssd_device *dev = (struct ssd_device *)dcmd->dev;
-
- memset(dcmd->msg, 0, SSD_DCMD_MAX_SZ);
- ssd_put_dcmd(dcmd);
- wake_up(&dev->dcmd_wq);
-}
-
-static void *ssd_get_dmsg(struct ssd_device *dev)
-{
- struct ssd_dcmd *dcmd = ssd_get_dcmd(dev);
-
- while (!dcmd) {
- DEFINE_WAIT(wait);
- prepare_to_wait_exclusive(&dev->dcmd_wq, &wait, TASK_UNINTERRUPTIBLE);
- schedule();
-
- dcmd = ssd_get_dcmd(dev);
-
- finish_wait(&dev->dcmd_wq, &wait);
- }
- return dcmd->msg;
-}
-
-/* do direct cmd */
-static int ssd_do_request(struct ssd_device *dev, int rw, void *msg, int *done)
-{
- DECLARE_COMPLETION(wait);
- struct ssd_cmd *cmd;
- int tag;
- int ret = 0;
-
- tag = ssd_get_tag(dev, 1);
- if (tag < 0) {
- return -EBUSY;
- }
-
- cmd = &dev->cmd[tag];
- cmd->nsegs = 1;
- memcpy(cmd->msg, msg, SSD_DCMD_MAX_SZ);
- ((struct ssd_rw_msg *)cmd->msg)->tag = tag;
-
- cmd->waiting = &wait;
-
- dev->scmd(cmd);
-
- wait_for_completion(cmd->waiting);
- cmd->waiting = NULL;
-
- if (cmd->errors == -ETIMEDOUT) {
- ret = cmd->errors;
- } else if (cmd->errors) {
- ret = -EIO;
- }
-
- if (done != NULL) {
- *done = cmd->nr_log;
- }
- ssd_put_tag(dev, cmd->tag);
-
- return ret;
-}
-
-static int ssd_do_barrier_request(struct ssd_device *dev, int rw, void *msg, int *done)
-{
- DECLARE_COMPLETION(wait);
- struct ssd_cmd *cmd;
- int tag;
- int ret = 0;
-
- tag = ssd_barrier_get_tag(dev);
- if (tag < 0) {
- return -EBUSY;
- }
-
- cmd = &dev->cmd[tag];
- cmd->nsegs = 1;
- memcpy(cmd->msg, msg, SSD_DCMD_MAX_SZ);
- ((struct ssd_rw_msg *)cmd->msg)->tag = tag;
-
- cmd->waiting = &wait;
-
- dev->scmd(cmd);
-
- wait_for_completion(cmd->waiting);
- cmd->waiting = NULL;
-
- if (cmd->errors == -ETIMEDOUT) {
- ret = cmd->errors;
- } else if (cmd->errors) {
- ret = -EIO;
- }
-
- if (done != NULL) {
- *done = cmd->nr_log;
- }
- ssd_barrier_put_tag(dev, cmd->tag);
-
- return ret;
-}
-
-#ifdef SSD_OT_PROTECT
-static void ssd_check_temperature(struct ssd_device *dev, int temp)
-{
- uint64_t val;
- uint32_t off;
- int cur;
- int i;
-
- if (mode != SSD_DRV_MODE_STANDARD) {
- return;
- }
-
- if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) {
- }
-
- for (i=0; i<dev->hw_info.nr_ctrl; i++) {
- off = SSD_CTRL_TEMP_REG0 + i * sizeof(uint64_t);
-
- val = ssd_reg_read(dev->ctrlp + off);
- if (val == 0xffffffffffffffffull) {
- continue;
- }
-
- cur = (int)CUR_TEMP(val);
- if (cur >= temp) {
- if (!test_and_set_bit(SSD_HWMON_TEMP(SSD_TEMP_CTRL), &dev->hwmon)) {
- if (dev->protocol_info.ver > SSD_PROTOCOL_V3 && dev->protocol_info.ver < SSD_PROTOCOL_V3_2_2) {
- hio_warn("%s: Over temperature, please check the fans.\n", dev->name);
- dev->ot_delay = SSD_OT_DELAY;
- }
- }
- return;
- }
- }
-
- if (test_and_clear_bit(SSD_HWMON_TEMP(SSD_TEMP_CTRL), &dev->hwmon)) {
- if (dev->protocol_info.ver > SSD_PROTOCOL_V3 && dev->protocol_info.ver < SSD_PROTOCOL_V3_2_2) {
- hio_warn("%s: Temperature is OK.\n", dev->name);
- dev->ot_delay = 0;
- }
- }
-}
-#endif
-
-static int ssd_get_ot_status(struct ssd_device *dev, int *status)
-{
- uint32_t off;
- uint32_t val;
- int i;
-
- if (!dev || !status) {
- return -EINVAL;
- }
-
- if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2_2) {
- for (i=0; i<dev->hw_info.nr_ctrl; i++) {
- off = SSD_READ_OT_REG0 + (i * SSD_CTRL_REG_ZONE_SZ);
- val = ssd_reg32_read(dev->ctrlp + off);
- if ((val >> 22) & 0x1) {
- *status = 1;
- goto out;
- }
-
-
- off = SSD_WRITE_OT_REG0 + (i * SSD_CTRL_REG_ZONE_SZ);
- val = ssd_reg32_read(dev->ctrlp + off);
- if ((val >> 22) & 0x1) {
- *status = 1;
- goto out;
- }
- }
- } else {
- *status = !!dev->ot_delay;
- }
-
-out:
- return 0;
-}
-
-static void ssd_set_ot_protect(struct ssd_device *dev, int protect)
-{
- uint32_t off;
- uint32_t val;
- int i;
-
- mutex_lock(&dev->fw_mutex);
-
- dev->ot_protect = !!protect;
-
- if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2_2) {
- for (i=0; i<dev->hw_info.nr_ctrl; i++) {
- off = SSD_READ_OT_REG0 + (i * SSD_CTRL_REG_ZONE_SZ);
- val = ssd_reg32_read(dev->ctrlp + off);
- if (dev->ot_protect) {
- val |= (1U << 21);
- } else {
- val &= ~(1U << 21);
- }
- ssd_reg32_write(dev->ctrlp + off, val);
-
-
- off = SSD_WRITE_OT_REG0 + (i * SSD_CTRL_REG_ZONE_SZ);
- val = ssd_reg32_read(dev->ctrlp + off);
- if (dev->ot_protect) {
- val |= (1U << 21);
- } else {
- val &= ~(1U << 21);
- }
- ssd_reg32_write(dev->ctrlp + off, val);
- }
- }
-
- mutex_unlock(&dev->fw_mutex);
-}
-
-static int ssd_init_ot_protect(struct ssd_device *dev)
-{
- ssd_set_ot_protect(dev, ot_protect);
-
-#ifdef SSD_OT_PROTECT
- ssd_check_temperature(dev, SSD_OT_TEMP);
-#endif
-
- return 0;
-}
-
-/* log */
-static int ssd_read_log(struct ssd_device *dev, int ctrl_idx, void *buf, int *nr_log)
-{
- struct ssd_log_op_msg *msg;
- struct ssd_log_msg *lmsg;
- dma_addr_t buf_dma;
- size_t length = dev->hw_info.log_sz;
- int ret = 0;
-
- if (ctrl_idx >= dev->hw_info.nr_ctrl) {
- return -EINVAL;
- }
-
- buf_dma = pci_map_single(dev->pdev, buf, length, PCI_DMA_FROMDEVICE);
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,26))
- ret = dma_mapping_error(buf_dma);
-#else
- ret = dma_mapping_error(&(dev->pdev->dev), buf_dma);
-#endif
- if (ret) {
- hio_warn("%s: unable to map read DMA buffer\n", dev->name);
- goto out_dma_mapping;
- }
-
- msg = (struct ssd_log_op_msg *)ssd_get_dmsg(dev);
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3) {
- lmsg = (struct ssd_log_msg *)msg;
- lmsg->fun = SSD_FUNC_READ_LOG;
- lmsg->ctrl_idx = ctrl_idx;
- lmsg->buf = buf_dma;
- } else {
- msg->fun = SSD_FUNC_READ_LOG;
- msg->ctrl_idx = ctrl_idx;
- msg->buf = buf_dma;
- }
-
- ret = ssd_do_request(dev, READ, msg, nr_log);
- ssd_put_dmsg(msg);
-
- pci_unmap_single(dev->pdev, buf_dma, length, PCI_DMA_FROMDEVICE);
-
-out_dma_mapping:
- return ret;
-}
-
-#define SSD_LOG_PRINT_BUF_SZ 256
-static int ssd_parse_log(struct ssd_device *dev, struct ssd_log *log, int print)
-{
- struct ssd_log_desc *log_desc = ssd_log_desc;
- struct ssd_log_entry *le;
- char *sn = NULL;
- char print_buf[SSD_LOG_PRINT_BUF_SZ];
- int print_len;
-
- le = &log->le;
-
- /* find desc */
- while (log_desc->event != SSD_UNKNOWN_EVENT) {
- if (log_desc->event == le->event) {
- break;
- }
- log_desc++;
- }
-
- if (!print) {
- goto out;
- }
-
- if (log_desc->level < log_level) {
- goto out;
- }
-
- /* parse */
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- sn = dev->label.sn;
- } else {
- sn = dev->labelv3.barcode;
- }
-
- print_len = snprintf(print_buf, SSD_LOG_PRINT_BUF_SZ, "%s (%s): <%#x>", dev->name, sn, le->event);
-
- if (log->ctrl_idx != SSD_LOG_SW_IDX) {
- print_len += snprintf((print_buf + print_len), (SSD_LOG_PRINT_BUF_SZ - print_len), " controller %d", log->ctrl_idx);
- }
-
- switch (log_desc->data) {
- case SSD_LOG_DATA_NONE:
- break;
- case SSD_LOG_DATA_LOC:
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- print_len += snprintf((print_buf + print_len), (SSD_LOG_PRINT_BUF_SZ - print_len), " flash %d", le->data.loc.flash);
- if (log_desc->sblock) {
- print_len += snprintf((print_buf + print_len), (SSD_LOG_PRINT_BUF_SZ - print_len), " block %d", le->data.loc.block);
- }
- if (log_desc->spage) {
- print_len += snprintf((print_buf + print_len), (SSD_LOG_PRINT_BUF_SZ - print_len), " page %d", le->data.loc.page);
- }
- } else {
- print_len += snprintf((print_buf + print_len), (SSD_LOG_PRINT_BUF_SZ - print_len), " flash %d", le->data.loc1.flash);
- if (log_desc->sblock) {
- print_len += snprintf((print_buf + print_len), (SSD_LOG_PRINT_BUF_SZ - print_len), " block %d", le->data.loc1.block);
- }
- if (log_desc->spage) {
- print_len += snprintf((print_buf + print_len), (SSD_LOG_PRINT_BUF_SZ - print_len), " page %d", le->data.loc1.page);
- }
- }
- break;
- case SSD_LOG_DATA_HEX:
- print_len += snprintf((print_buf + print_len), (SSD_LOG_PRINT_BUF_SZ - print_len), " info %#x", le->data.val);
- break;
- default:
- break;
- }
- /*print_len += */snprintf((print_buf + print_len), (SSD_LOG_PRINT_BUF_SZ - print_len), ": %s", log_desc->desc);
-
- switch (log_desc->level) {
- case SSD_LOG_LEVEL_INFO:
- hio_info("%s\n", print_buf);
- break;
- case SSD_LOG_LEVEL_NOTICE:
- hio_note("%s\n", print_buf);
- break;
- case SSD_LOG_LEVEL_WARNING:
- hio_warn("%s\n", print_buf);
- break;
- case SSD_LOG_LEVEL_ERR:
- hio_err("%s\n", print_buf);
- //printk(KERN_ERR MODULE_NAME": some exception occurred, please check the data or refer to FAQ.");
- break;
- default:
- hio_warn("%s\n", print_buf);
- break;
- }
-
-out:
- return log_desc->level;
-}
-
-static int ssd_bm_get_sfstatus(struct ssd_device *dev, uint16_t *status);
-static int ssd_switch_wmode(struct ssd_device *dev, int wmode);
-
-
-static int ssd_handle_event(struct ssd_device *dev, uint16_t event, int level)
-{
- int ret = 0;
-
- switch (event) {
- case SSD_LOG_OVER_TEMP: {
-#ifdef SSD_OT_PROTECT
- if (!test_and_set_bit(SSD_HWMON_TEMP(SSD_TEMP_CTRL), &dev->hwmon)) {
- if (dev->protocol_info.ver > SSD_PROTOCOL_V3 && dev->protocol_info.ver < SSD_PROTOCOL_V3_2_2) {
- hio_warn("%s: Over temperature, please check the fans.\n", dev->name);
- dev->ot_delay = SSD_OT_DELAY;
- }
- }
-#endif
- break;
- }
-
- case SSD_LOG_NORMAL_TEMP: {
-#ifdef SSD_OT_PROTECT
- /* need to check all controller's temperature */
- ssd_check_temperature(dev, SSD_OT_TEMP_HYST);
-#endif
- break;
- }
-
- case SSD_LOG_BATTERY_FAULT: {
- uint16_t sfstatus;
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- if (!ssd_bm_get_sfstatus(dev, &sfstatus)) {
- ssd_gen_swlog(dev, SSD_LOG_BM_SFSTATUS, sfstatus);
- }
- }
-
- if (!test_and_set_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon)) {
- ssd_switch_wmode(dev, dev->user_wmode);
- }
- break;
- }
-
- case SSD_LOG_BATTERY_OK: {
- if (test_and_clear_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon)) {
- ssd_switch_wmode(dev, dev->user_wmode);
- }
- break;
- }
-
- case SSD_LOG_BOARD_VOLT_FAULT: {
- ssd_mon_boardvolt(dev);
- break;
- }
-
- case SSD_LOG_CLEAR_LOG: {
- /* update smart */
- memset(&dev->smart.log_info, 0, sizeof(struct ssd_log_info));
- break;
- }
-
- case SSD_LOG_CAP_VOLT_FAULT:
- case SSD_LOG_CAP_LEARN_FAULT:
- case SSD_LOG_CAP_SHORT_CIRCUIT: {
- if (!test_and_set_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon)) {
- ssd_switch_wmode(dev, dev->user_wmode);
- }
- break;
- }
-
- default:
- break;
- }
-
- /* ssd event call */
- if (dev->event_call) {
- dev->event_call(dev->gd, event, level);
-
- /* FIXME */
- if (SSD_LOG_CAP_VOLT_FAULT == event || SSD_LOG_CAP_LEARN_FAULT == event || SSD_LOG_CAP_SHORT_CIRCUIT == event) {
- dev->event_call(dev->gd, SSD_LOG_BATTERY_FAULT, level);
- }
- }
-
- return ret;
-}
-
-static int ssd_save_log(struct ssd_device *dev, struct ssd_log *log)
-{
- uint32_t off, size;
- void *internal_log;
- int ret = 0;
-
- mutex_lock(&dev->internal_log_mutex);
-
- size = sizeof(struct ssd_log);
- off = dev->internal_log.nr_log * size;
-
- if (off == dev->rom_info.log_sz) {
- if (dev->internal_log.nr_log == dev->smart.log_info.nr_log) {
- hio_warn("%s: internal log is full\n", dev->name);
- }
- goto out;
- }
-
- internal_log = dev->internal_log.log + off;
- memcpy(internal_log, log, size);
-
- if (dev->protocol_info.ver > SSD_PROTOCOL_V3) {
- off += dev->rom_info.log_base;
-
- ret = ssd_spi_write(dev, log, off, size);
- if (ret) {
- goto out;
- }
- }
-
- dev->internal_log.nr_log++;
-
-out:
- mutex_unlock(&dev->internal_log_mutex);
- return ret;
-}
-
-/** CRC table for the CRC-16. The poly is 0x8005 (x^16 + x^15 + x^2 + 1) */
-static unsigned short const crc16_table[256] = {
- 0x0000, 0xC0C1, 0xC181, 0x0140, 0xC301, 0x03C0, 0x0280, 0xC241,
- 0xC601, 0x06C0, 0x0780, 0xC741, 0x0500, 0xC5C1, 0xC481, 0x0440,
- 0xCC01, 0x0CC0, 0x0D80, 0xCD41, 0x0F00, 0xCFC1, 0xCE81, 0x0E40,
- 0x0A00, 0xCAC1, 0xCB81, 0x0B40, 0xC901, 0x09C0, 0x0880, 0xC841,
- 0xD801, 0x18C0, 0x1980, 0xD941, 0x1B00, 0xDBC1, 0xDA81, 0x1A40,
- 0x1E00, 0xDEC1, 0xDF81, 0x1F40, 0xDD01, 0x1DC0, 0x1C80, 0xDC41,
- 0x1400, 0xD4C1, 0xD581, 0x1540, 0xD701, 0x17C0, 0x1680, 0xD641,
- 0xD201, 0x12C0, 0x1380, 0xD341, 0x1100, 0xD1C1, 0xD081, 0x1040,
- 0xF001, 0x30C0, 0x3180, 0xF141, 0x3300, 0xF3C1, 0xF281, 0x3240,
- 0x3600, 0xF6C1, 0xF781, 0x3740, 0xF501, 0x35C0, 0x3480, 0xF441,
- 0x3C00, 0xFCC1, 0xFD81, 0x3D40, 0xFF01, 0x3FC0, 0x3E80, 0xFE41,
- 0xFA01, 0x3AC0, 0x3B80, 0xFB41, 0x3900, 0xF9C1, 0xF881, 0x3840,
- 0x2800, 0xE8C1, 0xE981, 0x2940, 0xEB01, 0x2BC0, 0x2A80, 0xEA41,
- 0xEE01, 0x2EC0, 0x2F80, 0xEF41, 0x2D00, 0xEDC1, 0xEC81, 0x2C40,
- 0xE401, 0x24C0, 0x2580, 0xE541, 0x2700, 0xE7C1, 0xE681, 0x2640,
- 0x2200, 0xE2C1, 0xE381, 0x2340, 0xE101, 0x21C0, 0x2080, 0xE041,
- 0xA001, 0x60C0, 0x6180, 0xA141, 0x6300, 0xA3C1, 0xA281, 0x6240,
- 0x6600, 0xA6C1, 0xA781, 0x6740, 0xA501, 0x65C0, 0x6480, 0xA441,
- 0x6C00, 0xACC1, 0xAD81, 0x6D40, 0xAF01, 0x6FC0, 0x6E80, 0xAE41,
- 0xAA01, 0x6AC0, 0x6B80, 0xAB41, 0x6900, 0xA9C1, 0xA881, 0x6840,
- 0x7800, 0xB8C1, 0xB981, 0x7940, 0xBB01, 0x7BC0, 0x7A80, 0xBA41,
- 0xBE01, 0x7EC0, 0x7F80, 0xBF41, 0x7D00, 0xBDC1, 0xBC81, 0x7C40,
- 0xB401, 0x74C0, 0x7580, 0xB541, 0x7700, 0xB7C1, 0xB681, 0x7640,
- 0x7200, 0xB2C1, 0xB381, 0x7340, 0xB101, 0x71C0, 0x7080, 0xB041,
- 0x5000, 0x90C1, 0x9181, 0x5140, 0x9301, 0x53C0, 0x5280, 0x9241,
- 0x9601, 0x56C0, 0x5780, 0x9741, 0x5500, 0x95C1, 0x9481, 0x5440,
- 0x9C01, 0x5CC0, 0x5D80, 0x9D41, 0x5F00, 0x9FC1, 0x9E81, 0x5E40,
- 0x5A00, 0x9AC1, 0x9B81, 0x5B40, 0x9901, 0x59C0, 0x5880, 0x9841,
- 0x8801, 0x48C0, 0x4980, 0x8941, 0x4B00, 0x8BC1, 0x8A81, 0x4A40,
- 0x4E00, 0x8EC1, 0x8F81, 0x4F40, 0x8D01, 0x4DC0, 0x4C80, 0x8C41,
- 0x4400, 0x84C1, 0x8581, 0x4540, 0x8701, 0x47C0, 0x4680, 0x8641,
- 0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040
-};
-
-static unsigned short crc16_byte(unsigned short crc, const unsigned char data)
-{
- return (crc >> 8) ^ crc16_table[(crc ^ data) & 0xff];
-}
-/**
- * crc16 - compute the CRC-16 for the data buffer
- * @crc: previous CRC value
- * @buffer: data pointer
- * @len: number of bytes in the buffer
- *
- * Returns the updated CRC value.
- */
-static unsigned short crc16(unsigned short crc, unsigned char const *buffer, int len)
-{
- while (len--)
- crc = crc16_byte(crc, *buffer++);
- return crc;
-}
-
-static int ssd_save_swlog(struct ssd_device *dev, uint16_t event, uint32_t data)
-{
- struct ssd_log log;
- int level;
- int ret = 0;
-
- if (unlikely(mode != SSD_DRV_MODE_STANDARD))
- return 0;
-
- memset(&log, 0, sizeof(struct ssd_log));
-
- log.ctrl_idx = SSD_LOG_SW_IDX;
- log.time = ktime_get_real_seconds();
- log.le.event = event;
- log.le.data.val = data;
-
- log.le.mod = SSD_DIF_WITH_OLD_LOG;
- log.le.idx = crc16(0,(const unsigned char *)&log,14);
- level = ssd_parse_log(dev, &log, 0);
- if (level >= SSD_LOG_LEVEL) {
- ret = ssd_save_log(dev, &log);
- }
-
- /* set alarm */
- if (SSD_LOG_LEVEL_ERR == level) {
- ssd_set_alarm(dev);
- }
-
- /* update smart */
- dev->smart.log_info.nr_log++;
- dev->smart.log_info.stat[level]++;
-
- /* handle event */
- ssd_handle_event(dev, event, level);
-
- return ret;
-}
-
-static int ssd_gen_swlog(struct ssd_device *dev, uint16_t event, uint32_t data)
-{
- struct ssd_log_entry le;
- int ret;
-
- if (unlikely(mode != SSD_DRV_MODE_STANDARD))
- return 0;
-
- /* slave port ? */
- if (dev->slave) {
- return 0;
- }
-
- memset(&le, 0, sizeof(struct ssd_log_entry));
- le.event = event;
- le.data.val = data;
-
- ret = sfifo_put(&dev->log_fifo, &le);
- if (ret) {
- return ret;
- }
-
- if (test_bit(SSD_INIT_WORKQ, &dev->state)) {
- queue_work(dev->workq, &dev->log_work);
- }
-
- return 0;
-}
-
-static int ssd_do_swlog(struct ssd_device *dev)
-{
- struct ssd_log_entry le;
- int ret = 0;
-
- memset(&le, 0, sizeof(struct ssd_log_entry));
- while (!sfifo_get(&dev->log_fifo, &le)) {
- ret = ssd_save_swlog(dev, le.event, le.data.val);
- if (ret) {
- break;
- }
- }
-
- return ret;
-}
-
-static int __ssd_clear_log(struct ssd_device *dev)
-{
- uint32_t off, length;
- int ret;
-
- if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) {
- return 0;
- }
-
- if (dev->internal_log.nr_log == 0) {
- return 0;
- }
-
- mutex_lock(&dev->internal_log_mutex);
-
- off = dev->rom_info.log_base;
- length = dev->rom_info.log_sz;
-
- ret = ssd_spi_erase(dev, off, length);
- if (ret) {
- hio_warn("%s: log erase: failed\n", dev->name);
- goto out;
- }
-
- dev->internal_log.nr_log = 0;
-
-out:
- mutex_unlock(&dev->internal_log_mutex);
- return ret;
-}
-
-static int ssd_clear_log(struct ssd_device *dev)
-{
- int ret;
-
- ret = __ssd_clear_log(dev);
- if(!ret) {
- ssd_gen_swlog(dev, SSD_LOG_CLEAR_LOG, 0);
- }
-
- return ret;
-}
-
-static int ssd_do_log(struct ssd_device *dev, int ctrl_idx, void *buf)
-{
- struct ssd_log_entry *le;
- struct ssd_log log;
- int nr_log = 0;
- int level;
- int ret = 0;
-
- ret = ssd_read_log(dev, ctrl_idx, buf, &nr_log);
- if (ret) {
- return ret;
- }
-
- log.time = ktime_get_real_seconds();
- log.ctrl_idx = ctrl_idx;
-
- le = (ssd_log_entry_t *)buf;
- while (nr_log > 0) {
- memcpy(&log.le, le, sizeof(struct ssd_log_entry));
-
- log.le.mod = SSD_DIF_WITH_OLD_LOG;
- log.le.idx = crc16(0,(const unsigned char *)&log,14);
- level = ssd_parse_log(dev, &log, 1);
- if (level >= SSD_LOG_LEVEL) {
- ssd_save_log(dev, &log);
- }
-
- /* set alarm */
- if (SSD_LOG_LEVEL_ERR == level) {
- ssd_set_alarm(dev);
- }
-
- dev->smart.log_info.nr_log++;
- if (SSD_LOG_SEU_FAULT != le->event && SSD_LOG_SEU_FAULT1 != le->event) {
- dev->smart.log_info.stat[level]++;
- } else {
- /* SEU fault */
-
- /* log to the volatile log info */
- dev->log_info.nr_log++;
- dev->log_info.stat[level]++;
-
- /* do something */
- dev->reload_fw = 1;
- ssd_reg32_write(dev->ctrlp + SSD_RELOAD_FW_REG, SSD_RELOAD_FLAG);
- if (le->event != SSD_LOG_SEU_FAULT1) {
- dev->has_non_0x98_reg_access = 1;
- }
-
- /*dev->readonly = 1;
- set_disk_ro(dev->gd, 1);
- hio_warn("%s: switched to read-only mode.\n", dev->name);*/
- }
-
- /* handle event */
- ssd_handle_event(dev, le->event, level);
-
- le++;
- nr_log--;
- }
-
- return 0;
-}
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
-static void ssd_log_worker(void *data)
-{
- struct ssd_device *dev = (struct ssd_device *)data;
-#else
-static void ssd_log_worker(struct work_struct *work)
-{
- struct ssd_device *dev = container_of(work, struct ssd_device, log_work);
-#endif
- int i;
- int ret;
-
- if (!test_bit(SSD_LOG_ERR, &dev->state) && test_bit(SSD_ONLINE, &dev->state)) {
- /* alloc log buf */
- if (!dev->log_buf) {
- dev->log_buf = kmalloc(dev->hw_info.log_sz, GFP_KERNEL);
- if (!dev->log_buf) {
- hio_warn("%s: ssd_log_worker: no mem\n", dev->name);
- return;
- }
- }
-
- /* get log */
- if (test_and_clear_bit(SSD_LOG_HW, &dev->state)) {
- for (i=0; i<dev->hw_info.nr_ctrl; i++) {
- ret = ssd_do_log(dev, i, dev->log_buf);
- if (ret) {
- (void)test_and_set_bit(SSD_LOG_ERR, &dev->state);
- hio_warn("%s: do log fail\n", dev->name);
- }
- }
- }
- }
-
- ret = ssd_do_swlog(dev);
- if (ret) {
- hio_warn("%s: do swlog fail\n", dev->name);
- }
-}
-
-static void ssd_cleanup_log(struct ssd_device *dev)
-{
- if (dev->log_buf) {
- kfree(dev->log_buf);
- dev->log_buf = NULL;
- }
-
- sfifo_free(&dev->log_fifo);
-
- if (dev->internal_log.log) {
- vfree(dev->internal_log.log);
- dev->internal_log.nr_log = 0;
- dev->internal_log.log = NULL;
- }
-}
-
-static int ssd_init_log(struct ssd_device *dev)
-{
- struct ssd_log *log;
- uint32_t off, size;
- uint32_t len = 0;
- int ret = 0;
-
- mutex_init(&dev->internal_log_mutex);
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
- INIT_WORK(&dev->log_work, ssd_log_worker, dev);
-#else
- INIT_WORK(&dev->log_work, ssd_log_worker);
-#endif
-
- off = dev->rom_info.log_base;
- size = dev->rom_info.log_sz;
-
- dev->internal_log.nr_log = 0;
- dev->internal_log.log = vmalloc(size);
- if (!dev->internal_log.log) {
- ret = -ENOMEM;
- goto out_alloc_log;
- }
-
- ret = sfifo_alloc(&dev->log_fifo, SSD_LOG_FIFO_SZ, sizeof(struct ssd_log_entry));
- if (ret < 0) {
- goto out_alloc_log_fifo;
- }
-
- if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) {
- return 0;
- }
-
- log = (struct ssd_log *)dev->internal_log.log;
- while (len < size) {
- ret = ssd_spi_read(dev, log, off, sizeof(struct ssd_log));
- if (ret) {
- goto out_read_log;
- }
-
- if (log->ctrl_idx == 0xff) {
- break;
- }
-
- if (log->le.event == SSD_LOG_POWER_ON) {
- if (dev->internal_log.nr_log > dev->last_poweron_id) {
- dev->last_poweron_id = dev->internal_log.nr_log;
- }
- }
-
- dev->internal_log.nr_log++;
- log++;
- len += sizeof(struct ssd_log);
- off += sizeof(struct ssd_log);
- }
-
- return 0;
-
-out_read_log:
- sfifo_free(&dev->log_fifo);
-out_alloc_log_fifo:
- vfree(dev->internal_log.log);
- dev->internal_log.log = NULL;
- dev->internal_log.nr_log = 0;
-out_alloc_log:
- /* skip error if not in standard mode */
- if (mode != SSD_DRV_MODE_STANDARD) {
- ret = 0;
- }
- return ret;
-}
-
-/* work queue */
-static void ssd_stop_workq(struct ssd_device *dev)
-{
- test_and_clear_bit(SSD_INIT_WORKQ, &dev->state);
- flush_workqueue(dev->workq);
-}
-
-static void ssd_start_workq(struct ssd_device *dev)
-{
- (void)test_and_set_bit(SSD_INIT_WORKQ, &dev->state);
-
- /* log ? */
- queue_work(dev->workq, &dev->log_work);
-}
-
-static void ssd_cleanup_workq(struct ssd_device *dev)
-{
- flush_workqueue(dev->workq);
- destroy_workqueue(dev->workq);
- dev->workq = NULL;
-}
-
-static int ssd_init_workq(struct ssd_device *dev)
-{
- int ret = 0;
-
- dev->workq = create_singlethread_workqueue(dev->name);
- if (!dev->workq) {
- ret = -ESRCH;
- goto out;
- }
-
-out:
- return ret;
-}
-
-/* rom */
-static int ssd_init_rom_info(struct ssd_device *dev)
-{
- uint32_t val;
-
- mutex_init(&dev->spi_mutex);
- mutex_init(&dev->i2c_mutex);
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3) {
- /* fix bug: read data to clear status */
- (void)ssd_reg32_read(dev->ctrlp + SSD_SPI_REG_RDATA);
-
- dev->rom_info.size = SSD_ROM_SIZE;
- dev->rom_info.block_size = SSD_ROM_BLK_SIZE;
- dev->rom_info.page_size = SSD_ROM_PAGE_SIZE;
-
- dev->rom_info.bridge_fw_base = SSD_ROM_BRIDGE_FW_BASE;
- dev->rom_info.bridge_fw_sz = SSD_ROM_BRIDGE_FW_SIZE;
- dev->rom_info.nr_bridge_fw = SSD_ROM_NR_BRIDGE_FW;
-
- dev->rom_info.ctrl_fw_base = SSD_ROM_CTRL_FW_BASE;
- dev->rom_info.ctrl_fw_sz = SSD_ROM_CTRL_FW_SIZE;
- dev->rom_info.nr_ctrl_fw = SSD_ROM_NR_CTRL_FW;
-
- dev->rom_info.log_sz = SSD_ROM_LOG_SZ;
-
- dev->rom_info.vp_base = SSD_ROM_VP_BASE;
- dev->rom_info.label_base = SSD_ROM_LABEL_BASE;
- } else if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- val = ssd_reg32_read(dev->ctrlp + SSD_ROM_INFO_REG);
- dev->rom_info.size = 0x100000 * (1U << (val & 0xFF));
- dev->rom_info.block_size = 0x10000 * (1U << ((val>>8) & 0xFF));
- dev->rom_info.page_size = (val>>16) & 0xFFFF;
-
- val = ssd_reg32_read(dev->ctrlp + SSD_ROM_BRIDGE_FW_INFO_REG);
- dev->rom_info.bridge_fw_base = dev->rom_info.block_size * (val & 0xFFFF);
- dev->rom_info.bridge_fw_sz = dev->rom_info.block_size * ((val>>16) & 0x3FFF);
- dev->rom_info.nr_bridge_fw = ((val >> 30) & 0x3) + 1;
-
- val = ssd_reg32_read(dev->ctrlp + SSD_ROM_CTRL_FW_INFO_REG);
- dev->rom_info.ctrl_fw_base = dev->rom_info.block_size * (val & 0xFFFF);
- dev->rom_info.ctrl_fw_sz = dev->rom_info.block_size * ((val>>16) & 0x3FFF);
- dev->rom_info.nr_ctrl_fw = ((val >> 30) & 0x3) + 1;
-
- dev->rom_info.bm_fw_base = dev->rom_info.ctrl_fw_base + (dev->rom_info.nr_ctrl_fw * dev->rom_info.ctrl_fw_sz);
- dev->rom_info.bm_fw_sz = SSD_PV3_ROM_BM_FW_SZ;
- dev->rom_info.nr_bm_fw = SSD_PV3_ROM_NR_BM_FW;
-
- dev->rom_info.log_base = dev->rom_info.bm_fw_base + (dev->rom_info.nr_bm_fw * dev->rom_info.bm_fw_sz);
- dev->rom_info.log_sz = SSD_ROM_LOG_SZ;
-
- dev->rom_info.smart_base = dev->rom_info.log_base + dev->rom_info.log_sz;
- dev->rom_info.smart_sz = SSD_PV3_ROM_SMART_SZ;
- dev->rom_info.nr_smart = SSD_PV3_ROM_NR_SMART;
-
- val = ssd_reg32_read(dev->ctrlp + SSD_ROM_VP_INFO_REG);
- dev->rom_info.vp_base = dev->rom_info.block_size * val;
- dev->rom_info.label_base = dev->rom_info.vp_base + dev->rom_info.block_size;
- if (dev->rom_info.label_base >= dev->rom_info.size) {
- dev->rom_info.label_base = dev->rom_info.vp_base - dev->rom_info.block_size;
- }
- } else {
- val = ssd_reg32_read(dev->ctrlp + SSD_ROM_INFO_REG);
- dev->rom_info.size = 0x100000 * (1U << (val & 0xFF));
- dev->rom_info.block_size = 0x10000 * (1U << ((val>>8) & 0xFF));
- dev->rom_info.page_size = (val>>16) & 0xFFFF;
-
- val = ssd_reg32_read(dev->ctrlp + SSD_ROM_BRIDGE_FW_INFO_REG);
- dev->rom_info.bridge_fw_base = dev->rom_info.block_size * (val & 0xFFFF);
- dev->rom_info.bridge_fw_sz = dev->rom_info.block_size * ((val>>16) & 0x3FFF);
- dev->rom_info.nr_bridge_fw = ((val >> 30) & 0x3) + 1;
-
- val = ssd_reg32_read(dev->ctrlp + SSD_ROM_CTRL_FW_INFO_REG);
- dev->rom_info.ctrl_fw_base = dev->rom_info.block_size * (val & 0xFFFF);
- dev->rom_info.ctrl_fw_sz = dev->rom_info.block_size * ((val>>16) & 0x3FFF);
- dev->rom_info.nr_ctrl_fw = ((val >> 30) & 0x3) + 1;
-
- val = ssd_reg32_read(dev->ctrlp + SSD_ROM_VP_INFO_REG);
- dev->rom_info.vp_base = dev->rom_info.block_size * val;
- dev->rom_info.label_base = dev->rom_info.vp_base - SSD_PV3_2_ROM_SEC_SZ;
-
- dev->rom_info.nr_smart = SSD_PV3_ROM_NR_SMART;
- dev->rom_info.smart_sz = SSD_PV3_2_ROM_SEC_SZ;
- dev->rom_info.smart_base = dev->rom_info.label_base - (dev->rom_info.smart_sz * dev->rom_info.nr_smart);
- if (dev->rom_info.smart_sz > dev->rom_info.block_size) {
- dev->rom_info.smart_sz = dev->rom_info.block_size;
- }
-
- dev->rom_info.log_sz = SSD_PV3_2_ROM_LOG_SZ;
- dev->rom_info.log_base = dev->rom_info.smart_base - dev->rom_info.log_sz;
- }
-
- return ssd_init_spi(dev);
-}
-
-/* smart */
-static int ssd_update_smart(struct ssd_device *dev, struct ssd_smart *smart)
-{
- uint64_t cur_time, run_time;
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
- struct block_device *part;
- int cpu;
-#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,27))
- struct hd_struct *part;
- int cpu;
-#endif
- int i, j;
- int ret = 0;
-
- if (!test_bit(SSD_INIT_BD, &dev->state)) {
- return 0;
- }
-
- cur_time = (uint64_t)ktime_get_real_seconds();
- if (cur_time < dev->uptime) {
- run_time = 0;
- } else {
- run_time = cur_time - dev->uptime;
- }
-
- /* avoid frequently update */
- if (run_time >= 60) {
- ret = 1;
- }
-
- /* io stat */
- smart->io_stat.run_time += run_time;
-
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,27))
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(5,0,0))
- cpu = part_stat_lock();
- part = &dev->gd->part0;
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
- part_round_stats(dev->rq, cpu, part);
-#else
- part_round_stats(cpu, part);
-#endif
- part_stat_unlock();
-#endif
-
- smart->io_stat.nr_read += part_stat_read(part, ios[READ]);
- smart->io_stat.nr_write += part_stat_read(part, ios[WRITE]);
- smart->io_stat.rsectors += part_stat_read(part, sectors[READ]);
- smart->io_stat.wsectors += part_stat_read(part, sectors[WRITE]);
-#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,14))
- preempt_disable();
- disk_round_stats(dev->gd);
- preempt_enable();
-
- smart->io_stat.nr_read += disk_stat_read(dev->gd, ios[READ]);
- smart->io_stat.nr_write += disk_stat_read(dev->gd, ios[WRITE]);
- smart->io_stat.rsectors += disk_stat_read(dev->gd, sectors[READ]);
- smart->io_stat.wsectors += disk_stat_read(dev->gd, sectors[WRITE]);
-#else
- preempt_disable();
- disk_round_stats(dev->gd);
- preempt_enable();
-
- smart->io_stat.nr_read += disk_stat_read(dev->gd, reads);
- smart->io_stat.nr_write += disk_stat_read(dev->gd, writes);
- smart->io_stat.rsectors += disk_stat_read(dev->gd, read_sectors);
- smart->io_stat.wsectors += disk_stat_read(dev->gd, write_sectors);
-#endif
-
- smart->io_stat.nr_to += atomic_read(&dev->tocnt);
-
- for (i=0; i<dev->nr_queue; i++) {
- smart->io_stat.nr_rwerr += dev->queue[i].io_stat.nr_rwerr;
- smart->io_stat.nr_ioerr += dev->queue[i].io_stat.nr_ioerr;
- }
-
- for (i=0; i<dev->nr_queue; i++) {
- for (j=0; j<SSD_ECC_MAX_FLIP; j++) {
- smart->ecc_info.bitflip[j] += dev->queue[i].ecc_info.bitflip[j];
- }
- }
-
- //dev->uptime = tv.tv_sec;
-
- return ret;
-}
-
-static int __ssd_clear_smart(struct ssd_device *dev)
-{
- uint64_t sversion;
- uint32_t off, length;
- int i;
- int ret;
-
- if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) {
- return 0;
- }
-
- /* clear smart */
- off = dev->rom_info.smart_base;
- length = dev->rom_info.smart_sz * dev->rom_info.nr_smart;
-
- ret = ssd_spi_erase(dev, off, length);
- if (ret) {
- hio_warn("%s: info erase: failed\n", dev->name);
- goto out;
- }
-
- sversion = dev->smart.version;
-
- memset(&dev->smart, 0, sizeof(struct ssd_smart));
- dev->smart.version = sversion + 1;
- dev->smart.magic = SSD_SMART_MAGIC;
-
- /* clear all tmp acc */
- for (i=0; i<dev->nr_queue; i++) {
- memset(&(dev->queue[i].io_stat), 0, sizeof(struct ssd_io_stat));
- memset(&(dev->queue[i].ecc_info), 0, sizeof(struct ssd_ecc_info));
- }
-
- atomic_set(&dev->tocnt, 0);
-
- /* clear tmp log info */
- memset(&dev->log_info, 0, sizeof(struct ssd_log_info));
-
- dev->uptime = (uint64_t)ktime_get_real_seconds();
-
- /* clear alarm ? */
- //ssd_clear_alarm(dev);
-out:
- return ret;
-}
-
-static int __ssd_clear_warning(struct ssd_device *dev)
-{
- uint32_t off, size;
- int i, ret = 0;
-
- if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) {
- return 0;
- }
-
- /* clear log_info warning */
- memset(&dev->smart.log_info, 0, sizeof(dev->smart.log_info));
-
- /* clear io_stat warning */
- dev->smart.io_stat.nr_to = 0;
- dev->smart.io_stat.nr_rwerr = 0;
- dev->smart.io_stat.nr_ioerr = 0;
-
- /* clear ecc_info warning */
- memset(&dev->smart.ecc_info, 0, sizeof(dev->smart.ecc_info));
-
- /* clear queued warnings */
- for (i=0; i<dev->nr_queue; i++) {
- /* queued io_stat warning */
- dev->queue[i].io_stat.nr_to = 0;
- dev->queue[i].io_stat.nr_rwerr = 0;
- dev->queue[i].io_stat.nr_ioerr = 0;
-
- /* queued ecc_info warning */
- memset(&(dev->queue[i].ecc_info), 0, sizeof(dev->queue[i].ecc_info));
- }
-
- /* write smart back to nor */
- for (i = 0; i < dev->rom_info.nr_smart; i++) {
- off = dev->rom_info.smart_base + (dev->rom_info.smart_sz * i);
- size = dev->rom_info.smart_sz;
-
- ret = ssd_spi_erase(dev, off, size);
- if (ret) {
- hio_warn("%s: warning erase: failed with code 1\n", dev->name);
- goto out;
- }
-
- size = sizeof(struct ssd_smart);
-
- ret = ssd_spi_write(dev, &dev->smart, off, size);
- if (ret) {
- hio_warn("%s: warning erase: failed with code 2\n", dev->name);
- goto out;
- }
- }
-
- dev->smart.version++;
-
- /* clear cmd timeout warning */
- atomic_set(&dev->tocnt, 0);
-
- /* clear tmp log info */
- memset(&dev->log_info, 0, sizeof(dev->log_info));
-
-out:
- return ret;
-}
-
-static int ssd_clear_smart(struct ssd_device *dev)
-{
- int ret;
-
- ret = __ssd_clear_smart(dev);
- if(!ret) {
- ssd_gen_swlog(dev, SSD_LOG_CLEAR_SMART, 0);
- }
-
- return ret;
-}
-
-static int ssd_clear_warning(struct ssd_device *dev)
-{
- int ret;
-
- ret = __ssd_clear_warning(dev);
- if(!ret) {
- ssd_gen_swlog(dev, SSD_LOG_CLEAR_WARNING, 0);
- }
-
- return ret;
-}
-
-static int ssd_save_smart(struct ssd_device *dev)
-{
- uint32_t off, size;
- int i;
- int ret = 0;
-
- if (unlikely(mode != SSD_DRV_MODE_STANDARD))
- return 0;
-
- if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) {
- return 0;
- }
-
- if (!ssd_update_smart(dev, &dev->smart)) {
- return 0;
- }
-
- dev->smart.version++;
-
- for (i=0; i<dev->rom_info.nr_smart; i++) {
- off = dev->rom_info.smart_base + (dev->rom_info.smart_sz * i);
- size = dev->rom_info.smart_sz;
-
- ret = ssd_spi_erase(dev, off, size);
- if (ret) {
- hio_warn("%s: info erase failed\n", dev->name);
- goto out;
- }
-
- size = sizeof(struct ssd_smart);
-
- ret = ssd_spi_write(dev, &dev->smart, off, size);
- if (ret) {
- hio_warn("%s: info write failed\n", dev->name);
- goto out;
- }
-
- //xx
- }
-
-out:
- return ret;
-}
-
-static int ssd_init_smart(struct ssd_device *dev)
-{
- struct ssd_smart *smart;
- uint32_t off, size, val;
- int i;
- int ret = 0;
- int update_smart = 0;
-
- dev->uptime = (uint64_t)ktime_get_real_seconds();
-
- if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) {
- return 0;
- }
-
- smart = kmalloc(sizeof(struct ssd_smart) * SSD_ROM_NR_SMART_MAX, GFP_KERNEL);
- if (!smart) {
- ret = -ENOMEM;
- goto out_nomem;
- }
-
- memset(&dev->smart, 0, sizeof(struct ssd_smart));
-
- /* read smart */
- for (i=0; i<dev->rom_info.nr_smart; i++) {
- memset(&smart[i], 0, sizeof(struct ssd_smart));
-
- off = dev->rom_info.smart_base + (dev->rom_info.smart_sz * i);
- size = sizeof(struct ssd_smart);
-
- ret = ssd_spi_read(dev, &smart[i], off, size);
- if (ret) {
- hio_warn("%s: info read failed\n", dev->name);
- goto out;
- }
-
- if (smart[i].magic != SSD_SMART_MAGIC) {
- smart[i].magic = 0;
- smart[i].version = 0;
- continue;
- }
-
- if (smart[i].version > dev->smart.version) {
- memcpy(&dev->smart, &smart[i], sizeof(struct ssd_smart));
- }
- }
-
- if (dev->smart.magic != SSD_SMART_MAGIC) {
- /* first time power up */
- dev->smart.magic = SSD_SMART_MAGIC;
- dev->smart.version = 1;
- }
-
- val = ssd_reg32_read(dev->ctrlp + SSD_INTR_INTERVAL_REG);
- if (!val) {
- dev->last_poweron_id = ~0;
- ssd_gen_swlog(dev, SSD_LOG_POWER_ON, dev->hw_info.bridge_ver);
- if (dev->smart.io_stat.nr_to) {
- dev->smart.io_stat.nr_to = 0;
- update_smart = 1;
- }
- }
-
- /* check log info */
- {
- struct ssd_log_info log_info;
- struct ssd_log *log = (struct ssd_log *)dev->internal_log.log;
-
- memset(&log_info, 0, sizeof(struct ssd_log_info));
-
- while (log_info.nr_log < dev->internal_log.nr_log) {
- int skip = 0;
-
- switch (log->le.event) {
- /* skip the volatile log info */
- case SSD_LOG_SEU_FAULT:
- case SSD_LOG_SEU_FAULT1:
- skip = 1;
- break;
- case SSD_LOG_TIMEOUT:
- skip = (dev->last_poweron_id >= log_info.nr_log);
- break;
- }
-
- if (!skip) {
- log_info.stat[ssd_parse_log(dev, log, 0)]++;
- }
-
- log_info.nr_log++;
- log++;
- }
-
- /* check */
- for (i=(SSD_LOG_NR_LEVEL-1); i>=0; i--) {
- if (log_info.stat[i] != dev->smart.log_info.stat[i]) {
- /* unclean */
- memcpy(&dev->smart.log_info, &log_info, sizeof(struct ssd_log_info));
- update_smart = 1;
- break;
- }
- }
-
- if (update_smart) {
- ++dev->smart.version;
- }
- }
-
- for (i=0; i<dev->rom_info.nr_smart; i++) {
- if (smart[i].magic == SSD_SMART_MAGIC && smart[i].version == dev->smart.version) {
- continue;
- }
-
- off = dev->rom_info.smart_base + (dev->rom_info.smart_sz * i);
- size = dev->rom_info.smart_sz;
-
- ret = ssd_spi_erase(dev, off, size);
- if (ret) {
- hio_warn("%s: info erase failed\n", dev->name);
- goto out;
- }
-
- size = sizeof(struct ssd_smart);
- ret = ssd_spi_write(dev, &dev->smart, off, size);
- if (ret) {
- hio_warn("%s: info write failed\n", dev->name);
- goto out;
- }
-
- //xx
- }
-
- /* sync smart with alarm led */
- if (dev->smart.io_stat.nr_to || dev->smart.io_stat.nr_rwerr || dev->smart.log_info.stat[SSD_LOG_LEVEL_ERR]) {
- hio_warn("%s: some fault found in the history info\n", dev->name);
- ssd_set_alarm(dev);
- }
-
-out:
- kfree(smart);
-out_nomem:
- /* skip error if not in standard mode */
- if (mode != SSD_DRV_MODE_STANDARD) {
- ret = 0;
- }
- return ret;
-}
-
-/* bm */
-static int __ssd_bm_get_version(struct ssd_device *dev, uint16_t *ver)
-{
- struct ssd_bm_manufacturer_data bm_md = {0};
- uint16_t sc_id = SSD_BM_SYSTEM_DATA_SUBCLASS_ID;
- uint8_t cmd;
- int ret = 0;
-
- if (!dev || !ver) {
- return -EINVAL;
- }
-
- mutex_lock(&dev->bm_mutex);
-
- cmd = SSD_BM_DATA_FLASH_SUBCLASS_ID;
- ret = ssd_smbus_write_word(dev, SSD_BM_SLAVE_ADDRESS, cmd, (uint8_t *)&sc_id);
- if (ret) {
- goto out;
- }
-
- cmd = SSD_BM_DATA_FLASH_SUBCLASS_ID_PAGE1;
- ret = ssd_smbus_read_block(dev, SSD_BM_SLAVE_ADDRESS, cmd, sizeof(struct ssd_bm_manufacturer_data), (uint8_t *)&bm_md);
- if (ret) {
- goto out;
- }
-
- if (bm_md.firmware_ver & 0xF000) {
- ret = -EIO;
- goto out;
- }
-
- *ver = bm_md.firmware_ver;
-
-out:
- mutex_unlock(&dev->bm_mutex);
- return ret;
-}
-
-static int ssd_bm_get_version(struct ssd_device *dev, uint16_t *ver)
-{
- uint16_t tmp = 0;
- int i = SSD_BM_RETRY_MAX;
- int ret = 0;
-
- while (i-- > 0) {
- ret = __ssd_bm_get_version(dev, &tmp);
- if (!ret) {
- break;
- }
- }
- if (ret) {
- return ret;
- }
-
- *ver = tmp;
-
- return 0;
-}
-
-static int __ssd_bm_nr_cap(struct ssd_device *dev, int *nr_cap)
-{
- struct ssd_bm_configuration_registers bm_cr;
- uint16_t sc_id = SSD_BM_CONFIGURATION_REGISTERS_ID;
- uint8_t cmd;
- int ret;
-
- mutex_lock(&dev->bm_mutex);
-
- cmd = SSD_BM_DATA_FLASH_SUBCLASS_ID;
- ret = ssd_smbus_write_word(dev, SSD_BM_SLAVE_ADDRESS, cmd, (uint8_t *)&sc_id);
- if (ret) {
- goto out;
- }
-
- cmd = SSD_BM_DATA_FLASH_SUBCLASS_ID_PAGE1;
- ret = ssd_smbus_read_block(dev, SSD_BM_SLAVE_ADDRESS, cmd, sizeof(struct ssd_bm_configuration_registers), (uint8_t *)&bm_cr);
- if (ret) {
- goto out;
- }
-
- if (bm_cr.operation_cfg.cc == 0 || bm_cr.operation_cfg.cc > 4) {
- ret = -EIO;
- goto out;
- }
-
- *nr_cap = bm_cr.operation_cfg.cc + 1;
-
-out:
- mutex_unlock(&dev->bm_mutex);
- return ret;
-}
-
-static int ssd_bm_nr_cap(struct ssd_device *dev, int *nr_cap)
-{
- int tmp = 0;
- int i = SSD_BM_RETRY_MAX;
- int ret = 0;
-
- while (i-- > 0) {
- ret = __ssd_bm_nr_cap(dev, &tmp);
- if (!ret) {
- break;
- }
- }
- if (ret) {
- return ret;
- }
-
- *nr_cap = tmp;
-
- return 0;
-}
-
-static int ssd_bm_enter_cap_learning(struct ssd_device *dev)
-{
- uint16_t buf = SSD_BM_ENTER_CAP_LEARNING;
- uint8_t cmd = SSD_BM_MANUFACTURERACCESS;
- int ret;
-
- ret = ssd_smbus_write_word(dev, SSD_BM_SLAVE_ADDRESS, cmd, (uint8_t *)&buf);
- if (ret) {
- goto out;
- }
-
-out:
- return ret;
-}
-
-static int ssd_bm_get_sfstatus(struct ssd_device *dev, uint16_t *status)
-{
- uint16_t val = 0;
- uint8_t cmd = SSD_BM_SAFETYSTATUS;
- int ret;
-
- ret = ssd_smbus_read_word(dev, SSD_BM_SLAVE_ADDRESS, cmd, (uint8_t *)&val);
- if (ret) {
- goto out;
- }
-
- *status = val;
-out:
- return ret;
-}
-
-static int ssd_bm_get_opstatus(struct ssd_device *dev, uint16_t *status)
-{
- uint16_t val = 0;
- uint8_t cmd = SSD_BM_OPERATIONSTATUS;
- int ret;
-
- ret = ssd_smbus_read_word(dev, SSD_BM_SLAVE_ADDRESS, cmd, (uint8_t *)&val);
- if (ret) {
- goto out;
- }
-
- *status = val;
-out:
- return ret;
-}
-
-static int ssd_get_bmstruct(struct ssd_device *dev, struct ssd_bm *bm_status_out)
-{
- struct sbs_cmd *bm_sbs = ssd_bm_sbs;
- struct ssd_bm bm_status;
- uint8_t buf[2] = {0, };
- uint16_t val = 0;
- uint16_t cval;
- int ret = 0;
-
- memset(&bm_status, 0, sizeof(struct ssd_bm));
-
- while (bm_sbs->desc != NULL) {
- switch (bm_sbs->size) {
- case SBS_SIZE_BYTE:
- ret = ssd_smbus_read_byte(dev, SSD_BM_SLAVE_ADDRESS, bm_sbs->cmd, buf);
- if (ret) {
- //printf("Error: smbus read byte %#x\n", bm_sbs->cmd);
- goto out;
- }
- val = buf[0];
- break;
- case SBS_SIZE_WORD:
- ret = ssd_smbus_read_word(dev, SSD_BM_SLAVE_ADDRESS, bm_sbs->cmd, (uint8_t *)&val);
- if (ret) {
- //printf("Error: smbus read word %#x\n", bm_sbs->cmd);
- goto out;
- }
- //val = *(uint16_t *)buf;
- break;
- default:
- ret = -1;
- goto out;
- break;
- }
-
- switch (bm_sbs->unit) {
- case SBS_UNIT_VALUE:
- *(uint16_t *)bm_var(&bm_status, bm_sbs->off) = val & bm_sbs->mask;
- break;
- case SBS_UNIT_TEMPERATURE:
- cval = (uint16_t)(val - 2731) / 10;
- *(uint16_t *)bm_var(&bm_status, bm_sbs->off) = cval;
- break;
- case SBS_UNIT_VOLTAGE:
- *(uint16_t *)bm_var(&bm_status, bm_sbs->off) = val;
- break;
- case SBS_UNIT_CURRENT:
- *(uint16_t *)bm_var(&bm_status, bm_sbs->off) = val;
- break;
- case SBS_UNIT_ESR:
- *(uint16_t *)bm_var(&bm_status, bm_sbs->off) = val;
- break;
- case SBS_UNIT_PERCENT:
- *(uint16_t *)bm_var(&bm_status, bm_sbs->off) = val;
- break;
- case SBS_UNIT_CAPACITANCE:
- *(uint16_t *)bm_var(&bm_status, bm_sbs->off) = val;
- break;
- default:
- ret = -1;
- goto out;
- break;
- }
-
- bm_sbs++;
- }
-
- memcpy(bm_status_out, &bm_status, sizeof(struct ssd_bm));
-
-out:
- return ret;
-}
-
-static int __ssd_bm_status(struct ssd_device *dev, int *status)
-{
- struct ssd_bm bm_status = {0};
- int nr_cap = 0;
- int i;
- int ret = 0;
-
- ret = ssd_get_bmstruct(dev, &bm_status);
- if (ret) {
- goto out;
- }
-
- /* capacitor voltage */
- ret = ssd_bm_nr_cap(dev, &nr_cap);
- if (ret) {
- goto out;
- }
-
- for (i=0; i<nr_cap; i++) {
- if (bm_status.cap_volt[i] < SSD_BM_CAP_VOLT_MIN) {
- *status = SSD_BMSTATUS_WARNING;
- goto out;
- }
- }
-
- /* Safety Status */
- if (bm_status.sf_status) {
- *status = SSD_BMSTATUS_WARNING;
- goto out;
- }
-
- /* charge status */
- if (!((bm_status.op_status >> 12) & 0x1)) {
- *status = SSD_BMSTATUS_CHARGING;
- }else{
- *status = SSD_BMSTATUS_OK;
- }
-
-out:
- return ret;
-}
-
-static void ssd_set_flush_timeout(struct ssd_device *dev, int mode);
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
-static void ssd_bm_worker(void *data)
-{
- struct ssd_device *dev = (struct ssd_device *)data;
-#else
-static void ssd_bm_worker(struct work_struct *work)
-{
- struct ssd_device *dev = container_of(work, struct ssd_device, bm_work);
-#endif
-
- uint16_t opstatus;
- int ret = 0;
-
- if (mode != SSD_DRV_MODE_STANDARD) {
- return;
- }
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_1_1) {
- return;
- }
-
- if (dev->hw_info_ext.plp_type != SSD_PLP_SCAP) {
- return;
- }
-
- ret = ssd_bm_get_opstatus(dev, &opstatus);
- if (ret) {
- hio_warn("%s: get bm operationstatus failed\n", dev->name);
- return;
- }
-
- /* need cap learning ? */
- if (!(opstatus & 0xF0)) {
- ret = ssd_bm_enter_cap_learning(dev);
- if (ret) {
- hio_warn("%s: enter capacitance learning failed\n", dev->name);
- return;
- }
- }
-}
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,15,0))
-static void ssd_bm_routine_start(void *data)
-#else
-static void ssd_bm_routine_start(struct timer_list *t)
-#endif
-{
- struct ssd_device *dev;
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,15,0))
- if (!data) {
- return;
- }
- dev = data;
-#else
- dev = from_timer(dev, t, bm_timer);
-#endif
-
- if (test_bit(SSD_INIT_WORKQ, &dev->state)) {
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- queue_work(dev->workq, &dev->bm_work);
- } else {
- queue_work(dev->workq, &dev->capmon_work);
- }
- }
-}
-
-/* CAP */
-static int ssd_do_cap_learn(struct ssd_device *dev, uint32_t *cap)
-{
- uint32_t u1, u2, t;
- uint16_t val = 0;
- int wait = 0;
- int ret = 0;
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- *cap = 0;
- return 0;
- }
-
- if (dev->hw_info_ext.form_factor == SSD_FORM_FACTOR_FHHL && dev->hw_info.pcb_ver < 'B') {
- *cap = 0;
- return 0;
- }
-
- /* make sure the lm80 voltage value is updated */
- msleep(SSD_LM80_CONV_INTERVAL);
-
- /* check if full charged */
- wait = 0;
- for (;;) {
- ret = ssd_smbus_read_word(dev, SSD_SENSOR_LM80_SADDRESS, SSD_PL_CAP_U1, (uint8_t *)&val);
- if (ret) {
- if (!test_and_set_bit(SSD_HWMON_SENSOR(SSD_SENSOR_LM80), &dev->hwmon)) {
- ssd_generate_sensor_fault_log(dev, SSD_LOG_SENSOR_FAULT, SSD_SENSOR_LM80_SADDRESS,ret);
- }
- goto out;
- }
- u1 = SSD_LM80_CONVERT_VOLT(u16_swap(val));
- if (SSD_PL_CAP_VOLT(u1) >= SSD_PL_CAP_VOLT_FULL) {
- break;
- }
-
- wait++;
- if (wait > SSD_PL_CAP_CHARGE_MAX_WAIT) {
- ret = -ETIMEDOUT;
- goto out;
- }
- msleep(SSD_PL_CAP_CHARGE_WAIT);
- }
-
- ret = ssd_smbus_read_word(dev, SSD_SENSOR_LM80_SADDRESS, SSD_PL_CAP_U2, (uint8_t *)&val);
- if (ret) {
- if (!test_and_set_bit(SSD_HWMON_SENSOR(SSD_SENSOR_LM80), &dev->hwmon)) {
- ssd_generate_sensor_fault_log(dev, SSD_LOG_SENSOR_FAULT, SSD_SENSOR_LM80_SADDRESS,ret);
- }
- goto out;
- }
- u2 = SSD_LM80_CONVERT_VOLT(u16_swap(val));
-
- if (u1 == u2) {
- ret = -EINVAL;
- goto out;
- }
-
- /* enter cap learn */
- ssd_reg32_write(dev->ctrlp + SSD_PL_CAP_LEARN_REG, 0x1);
-
- wait = 0;
- for (;;) {
- msleep(SSD_PL_CAP_LEARN_WAIT);
-
- t = ssd_reg32_read(dev->ctrlp + SSD_PL_CAP_LEARN_REG);
- if (!((t >> 1) & 0x1)) {
- break;
- }
-
- wait++;
- if (wait > SSD_PL_CAP_LEARN_MAX_WAIT) {
- ret = -ETIMEDOUT;
- goto out;
- }
- }
-
- if ((t >> 4) & 0x1) {
- ret = -ETIMEDOUT;
- goto out;
- }
-
- t = (t >> 8);
- if (0 == t) {
- ret = -EINVAL;
- goto out;
- }
-
- *cap = SSD_PL_CAP_LEARN(u1, u2, t);
-
-out:
- return ret;
-}
-
-static int ssd_cap_learn(struct ssd_device *dev, uint32_t *cap)
-{
- int ret = 0;
-
- if (!dev || !cap) {
- return -EINVAL;
- }
-
- mutex_lock(&dev->bm_mutex);
-
- ssd_stop_workq(dev);
-
- ret = ssd_do_cap_learn(dev, cap);
- if (ret) {
- ssd_gen_swlog(dev, SSD_LOG_CAP_LEARN_FAULT, 0);
- goto out;
- }
-
- ssd_gen_swlog(dev, SSD_LOG_CAP_STATUS, *cap);
-
-out:
- ssd_start_workq(dev);
- mutex_unlock(&dev->bm_mutex);
-
- return ret;
-}
-
-static int ssd_check_pl_cap(struct ssd_device *dev)
-{
- uint32_t u1;
- uint16_t val = 0;
- uint8_t low = 0;
- int wait = 0;
- int ret = 0;
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- return 0;
- }
-
- if (dev->hw_info_ext.form_factor == SSD_FORM_FACTOR_FHHL && dev->hw_info.pcb_ver < 'B') {
- return 0;
- }
-
- /* cap ready ? */
- wait = 0;
- for (;;) {
- ret = ssd_smbus_read_word(dev, SSD_SENSOR_LM80_SADDRESS, SSD_PL_CAP_U1, (uint8_t *)&val);
- if (ret) {
- if (!test_and_set_bit(SSD_HWMON_SENSOR(SSD_SENSOR_LM80), &dev->hwmon)) {
- ssd_generate_sensor_fault_log(dev, SSD_LOG_SENSOR_FAULT, SSD_SENSOR_LM80_SADDRESS,ret);
- }
- goto out;
- }
- u1 = SSD_LM80_CONVERT_VOLT(u16_swap(val));
- if (SSD_PL_CAP_VOLT(u1) >= SSD_PL_CAP_VOLT_READY) {
- break;
- }
-
- wait++;
- if (wait > SSD_PL_CAP_CHARGE_MAX_WAIT) {
- ret = -ETIMEDOUT;
- ssd_gen_swlog(dev, SSD_LOG_CAP_VOLT_FAULT, SSD_PL_CAP_VOLT(u1));
- goto out;
- }
- msleep(SSD_PL_CAP_CHARGE_WAIT);
- }
-
- low = ssd_lm80_limit[SSD_LM80_IN_CAP].low;
- ret = ssd_smbus_write_byte(dev, SSD_SENSOR_LM80_SADDRESS, SSD_LM80_REG_IN_MIN(SSD_LM80_IN_CAP), &low);
- if (ret) {
- goto out;
- }
-
- /* enable cap INx */
- ret = ssd_lm80_enable_in(dev, SSD_SENSOR_LM80_SADDRESS, SSD_LM80_IN_CAP);
- if (ret) {
- if (!test_and_set_bit(SSD_HWMON_SENSOR(SSD_SENSOR_LM80), &dev->hwmon)) {
- ssd_generate_sensor_fault_log(dev, SSD_LOG_SENSOR_FAULT, SSD_SENSOR_LM80_SADDRESS,ret);
- }
- goto out;
- }
-
-out:
- /* skip error if not in standard mode */
- if (mode != SSD_DRV_MODE_STANDARD) {
- ret = 0;
- }
- return ret;
-}
-
-static int ssd_check_pl_cap_fast(struct ssd_device *dev)
-{
- uint32_t u1;
- uint16_t val = 0;
- int ret = 0;
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- return 0;
- }
-
- if (dev->hw_info_ext.form_factor == SSD_FORM_FACTOR_FHHL && dev->hw_info.pcb_ver < 'B') {
- return 0;
- }
-
- /* cap ready ? */
- ret = ssd_smbus_read_word(dev, SSD_SENSOR_LM80_SADDRESS, SSD_PL_CAP_U1, (uint8_t *)&val);
- if (ret) {
- goto out;
- }
- u1 = SSD_LM80_CONVERT_VOLT(u16_swap(val));
- if (SSD_PL_CAP_VOLT(u1) < SSD_PL_CAP_VOLT_READY) {
- ret = 1;
- }
-
-out:
- return ret;
-}
-
-static int ssd_init_pl_cap(struct ssd_device *dev)
-{
- int ret = 0;
-
- /* set here: user write mode */
- dev->user_wmode = wmode;
-
- mutex_init(&dev->bm_mutex);
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- uint32_t val;
- val = ssd_reg32_read(dev->ctrlp + SSD_BM_FAULT_REG);
- if ((val >> 1) & 0x1) {
- (void)test_and_set_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon);
- }
- } else {
- ret = ssd_check_pl_cap(dev);
- if (ret) {
- (void)test_and_set_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon);
- }
- }
-
- return 0;
-}
-
-/* label */
-static void __end_str(char *str, int len)
-{
- int i;
-
- for(i=0; i<len; i++) {
- if (*(str+i) == '\0')
- return;
- }
- *str = '\0';
-}
-
-static int ssd_init_label(struct ssd_device *dev)
-{
- uint32_t off;
- uint32_t size;
- int ret;
-
- /* label location */
- off = dev->rom_info.label_base;
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- size = sizeof(struct ssd_label);
-
- /* read label */
- ret = ssd_spi_read(dev, &dev->label, off, size);
- if (ret) {
- memset(&dev->label, 0, size);
- goto out;
- }
-
- __end_str(dev->label.date, SSD_LABEL_FIELD_SZ);
- __end_str(dev->label.sn, SSD_LABEL_FIELD_SZ);
- __end_str(dev->label.part, SSD_LABEL_FIELD_SZ);
- __end_str(dev->label.desc, SSD_LABEL_FIELD_SZ);
- __end_str(dev->label.other, SSD_LABEL_FIELD_SZ);
- __end_str(dev->label.maf, SSD_LABEL_FIELD_SZ);
- } else {
- size = sizeof(struct ssd_labelv3);
-
- /* read label */
- ret = ssd_spi_read(dev, &dev->labelv3, off, size);
- if (ret) {
- memset(&dev->labelv3, 0, size);
- goto out;
- }
-
- __end_str(dev->labelv3.boardtype, SSD_LABEL_FIELD_SZ);
- __end_str(dev->labelv3.barcode, SSD_LABEL_FIELD_SZ);
- __end_str(dev->labelv3.item, SSD_LABEL_FIELD_SZ);
- __end_str(dev->labelv3.description, SSD_LABEL_DESC_SZ);
- __end_str(dev->labelv3.manufactured, SSD_LABEL_FIELD_SZ);
- __end_str(dev->labelv3.vendorname, SSD_LABEL_FIELD_SZ);
- __end_str(dev->labelv3.issuenumber, SSD_LABEL_FIELD_SZ);
- __end_str(dev->labelv3.cleicode, SSD_LABEL_FIELD_SZ);
- __end_str(dev->labelv3.bom, SSD_LABEL_FIELD_SZ);
- }
-
-out:
- /* skip error if not in standard mode */
- if (mode != SSD_DRV_MODE_STANDARD) {
- ret = 0;
- }
- return ret;
-}
-
-int ssd_get_label(struct block_device *bdev, struct ssd_label *label)
-{
- struct ssd_device *dev;
-
- if (!bdev || !label || !(bdev->bd_disk)) {
- return -EINVAL;
- }
-
- dev = bdev->bd_disk->private_data;
-
- if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) {
- memset(label, 0, sizeof(struct ssd_label));
- memcpy(label->date, dev->labelv3.manufactured, SSD_LABEL_FIELD_SZ);
- memcpy(label->sn, dev->labelv3.barcode, SSD_LABEL_FIELD_SZ);
- memcpy(label->desc, dev->labelv3.boardtype, SSD_LABEL_FIELD_SZ);
- memcpy(label->maf, dev->labelv3.vendorname, SSD_LABEL_FIELD_SZ);
- } else {
- memcpy(label, &dev->label, sizeof(struct ssd_label));
- }
-
- return 0;
-}
-
-static int __ssd_get_version(struct ssd_device *dev, struct ssd_version_info *ver)
-{
- uint16_t bm_ver = 0;
- int ret = 0;
-
- if (dev->protocol_info.ver > SSD_PROTOCOL_V3 && dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- ret = ssd_bm_get_version(dev, &bm_ver);
- if(ret){
- goto out;
- }
- }
-
- ver->bridge_ver = dev->hw_info.bridge_ver;
- ver->ctrl_ver = dev->hw_info.ctrl_ver;
- ver->bm_ver = bm_ver;
- ver->pcb_ver = dev->hw_info.pcb_ver;
- ver->upper_pcb_ver = dev->hw_info.upper_pcb_ver;
-
-out:
- return ret;
-
-}
-
-int ssd_get_version(struct block_device *bdev, struct ssd_version_info *ver)
-{
- struct ssd_device *dev;
- int ret;
-
- if (!bdev || !ver || !(bdev->bd_disk)) {
- return -EINVAL;
- }
-
- dev = bdev->bd_disk->private_data;
-
- mutex_lock(&dev->fw_mutex);
- ret = __ssd_get_version(dev, ver);
- mutex_unlock(&dev->fw_mutex);
-
- return ret;
-}
-
-static int __ssd_get_temperature(struct ssd_device *dev, int *temp)
-{
- uint64_t val;
- uint32_t off;
- int max = -300;
- int cur;
- int i;
-
- if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) {
- *temp = 0;
- return 0;
- }
-
- if (finject) {
- if (dev->db_info.type == SSD_DEBUG_LOG &&
- (dev->db_info.data.log.event == SSD_LOG_OVER_TEMP ||
- dev->db_info.data.log.event == SSD_LOG_NORMAL_TEMP ||
- dev->db_info.data.log.event == SSD_LOG_WARN_TEMP)) {
- *temp = (int)dev->db_info.data.log.extra;
- return 0;
- }
- }
-
- for (i=0; i<dev->hw_info.nr_ctrl; i++) {
- off = SSD_CTRL_TEMP_REG0 + i * sizeof(uint64_t);
-
- val = ssd_reg_read(dev->ctrlp + off);
- if (val == 0xffffffffffffffffull) {
- continue;
- }
-
- cur = (int)CUR_TEMP(val);
- if (cur >= max) {
- max = cur;
- }
- }
-
- *temp = max;
-
- return 0;
-}
-
-int ssd_get_temperature(struct block_device *bdev, int *temp)
-{
- struct ssd_device *dev;
- int ret;
-
- if (!bdev || !temp || !(bdev->bd_disk)) {
- return -EINVAL;
- }
-
- dev = bdev->bd_disk->private_data;
-
-
- mutex_lock(&dev->fw_mutex);
- ret = __ssd_get_temperature(dev, temp);
- mutex_unlock(&dev->fw_mutex);
-
- return ret;
-}
-
-int ssd_set_otprotect(struct block_device *bdev, int otprotect)
- {
- struct ssd_device *dev;
-
- if (!bdev || !(bdev->bd_disk)) {
- return -EINVAL;
- }
-
- dev = bdev->bd_disk->private_data;
- ssd_set_ot_protect(dev, !!otprotect);
-
- return 0;
- }
-
-int ssd_bm_status(struct block_device *bdev, int *status)
-{
- struct ssd_device *dev;
- int ret = 0;
-
- if (!bdev || !status || !(bdev->bd_disk)) {
- return -EINVAL;
- }
-
- dev = bdev->bd_disk->private_data;
-
- mutex_lock(&dev->fw_mutex);
- if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) {
- if (test_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon)) {
- *status = SSD_BMSTATUS_WARNING;
- } else {
- *status = SSD_BMSTATUS_OK;
- }
- } else if(dev->protocol_info.ver > SSD_PROTOCOL_V3) {
- ret = __ssd_bm_status(dev, status);
- } else {
- *status = SSD_BMSTATUS_OK;
- }
- mutex_unlock(&dev->fw_mutex);
-
- return ret;
-}
-
-int ssd_get_pciaddr(struct block_device *bdev, struct pci_addr *paddr)
-{
- struct ssd_device *dev;
-
- if (!bdev || !paddr || !bdev->bd_disk) {
- return -EINVAL;
- }
-
- dev = bdev->bd_disk->private_data;
-
- paddr->domain = pci_domain_nr(dev->pdev->bus);
- paddr->bus = dev->pdev->bus->number;
- paddr->slot = PCI_SLOT(dev->pdev->devfn);
- paddr->func= PCI_FUNC(dev->pdev->devfn);
-
- return 0;
-}
-
-/* acc */
-static int ssd_bb_acc(struct ssd_device *dev, struct ssd_acc_info *acc)
-{
- uint32_t val;
- int ctrl, chip;
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_1_1) {
- return -EOPNOTSUPP;
- }
-
- acc->threshold_l1 = ssd_reg32_read(dev->ctrlp + SSD_BB_THRESHOLD_L1_REG);
- if (0xffffffffull == acc->threshold_l1) {
- return -EIO;
- }
- acc->threshold_l2 = ssd_reg32_read(dev->ctrlp + SSD_BB_THRESHOLD_L2_REG);
- if (0xffffffffull == acc->threshold_l2) {
- return -EIO;
- }
- acc->val = 0;
-
- for (ctrl=0; ctrl<dev->hw_info.nr_ctrl; ctrl++) {
- for (chip=0; chip<dev->hw_info.nr_chip; chip++) {
- val = ssd_reg32_read(dev->ctrlp + SSD_BB_ACC_REG0 + (SSD_CTRL_REG_ZONE_SZ * ctrl) + (SSD_BB_ACC_REG_SZ * chip));
- if (0xffffffffull == acc->val) {
- return -EIO;
- }
- if (val > acc->val) {
- acc->val = val;
- }
- }
- }
-
- return 0;
-}
-
-static int ssd_ec_acc(struct ssd_device *dev, struct ssd_acc_info *acc)
-{
- uint32_t val;
- int ctrl, chip;
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_1_1) {
- return -EOPNOTSUPP;
- }
-
- acc->threshold_l1 = ssd_reg32_read(dev->ctrlp + SSD_EC_THRESHOLD_L1_REG);
- if (0xffffffffull == acc->threshold_l1) {
- return -EIO;
- }
- acc->threshold_l2 = ssd_reg32_read(dev->ctrlp + SSD_EC_THRESHOLD_L2_REG);
- if (0xffffffffull == acc->threshold_l2) {
- return -EIO;
- }
- acc->val = 0;
-
- for (ctrl=0; ctrl<dev->hw_info.nr_ctrl; ctrl++) {
- for (chip=0; chip<dev->hw_info.nr_chip; chip++) {
- val = ssd_reg32_read(dev->ctrlp + SSD_EC_ACC_REG0 + (SSD_CTRL_REG_ZONE_SZ * ctrl) + (SSD_EC_ACC_REG_SZ * chip));
- if (0xffffffffull == acc->val) {
- return -EIO;
- }
-
- if (val > acc->val) {
- acc->val = val;
- }
- }
- }
-
- return 0;
-}
-
-
-/* ram r&w */
-static int ssd_ram_read_4k(struct ssd_device *dev, void *buf, size_t length, loff_t ofs, int ctrl_idx)
-{
- struct ssd_ram_op_msg *msg;
- dma_addr_t buf_dma;
- size_t len = length;
- loff_t ofs_w = ofs;
- int ret = 0;
-
- if (ctrl_idx >= dev->hw_info.nr_ctrl || (uint64_t)(ofs + length) > dev->hw_info.ram_size
- || !length || length > dev->hw_info.ram_max_len
- || (length & (dev->hw_info.ram_align - 1)) != 0 || ((uint64_t)ofs & (dev->hw_info.ram_align - 1)) != 0) {
- return -EINVAL;
- }
-
- len /= dev->hw_info.ram_align;
- do_div(ofs_w, dev->hw_info.ram_align);
-
- buf_dma = pci_map_single(dev->pdev, buf, length, PCI_DMA_FROMDEVICE);
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,26))
- ret = dma_mapping_error(buf_dma);
-#else
- ret = dma_mapping_error(&(dev->pdev->dev), buf_dma);
-#endif
- if (ret) {
- hio_warn("%s: unable to map read DMA buffer\n", dev->name);
- goto out_dma_mapping;
- }
-
- msg = (struct ssd_ram_op_msg *)ssd_get_dmsg(dev);
-
- msg->fun = SSD_FUNC_RAM_READ;
- msg->ctrl_idx = ctrl_idx;
- msg->start = (uint32_t)ofs_w;
- msg->length = len;
- msg->buf = buf_dma;
-
- ret = ssd_do_request(dev, READ, msg, NULL);
- ssd_put_dmsg(msg);
-
- pci_unmap_single(dev->pdev, buf_dma, length, PCI_DMA_FROMDEVICE);
-
-out_dma_mapping:
- return ret;
-}
-
-static int ssd_ram_write_4k(struct ssd_device *dev, void *buf, size_t length, loff_t ofs, int ctrl_idx)
-{
- struct ssd_ram_op_msg *msg;
- dma_addr_t buf_dma;
- size_t len = length;
- loff_t ofs_w = ofs;
- int ret = 0;
-
- if (ctrl_idx >= dev->hw_info.nr_ctrl || (uint64_t)(ofs + length) > dev->hw_info.ram_size
- || !length || length > dev->hw_info.ram_max_len
- || (length & (dev->hw_info.ram_align - 1)) != 0 || ((uint64_t)ofs & (dev->hw_info.ram_align - 1)) != 0) {
- return -EINVAL;
- }
-
- len /= dev->hw_info.ram_align;
- do_div(ofs_w, dev->hw_info.ram_align);
-
- buf_dma = pci_map_single(dev->pdev, buf, length, PCI_DMA_TODEVICE);
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,26))
- ret = dma_mapping_error(buf_dma);
-#else
- ret = dma_mapping_error(&(dev->pdev->dev), buf_dma);
-#endif
- if (ret) {
- hio_warn("%s: unable to map write DMA buffer\n", dev->name);
- goto out_dma_mapping;
- }
-
- msg = (struct ssd_ram_op_msg *)ssd_get_dmsg(dev);
-
- msg->fun = SSD_FUNC_RAM_WRITE;
- msg->ctrl_idx = ctrl_idx;
- msg->start = (uint32_t)ofs_w;
- msg->length = len;
- msg->buf = buf_dma;
-
- ret = ssd_do_request(dev, WRITE, msg, NULL);
- ssd_put_dmsg(msg);
-
- pci_unmap_single(dev->pdev, buf_dma, length, PCI_DMA_TODEVICE);
-
-out_dma_mapping:
- return ret;
-
-}
-
-static int ssd_ram_read(struct ssd_device *dev, void *buf, size_t length, loff_t ofs, int ctrl_idx)
-{
- int left = length;
- size_t len;
- loff_t off = ofs;
- int ret = 0;
-
- if (ctrl_idx >= dev->hw_info.nr_ctrl || (uint64_t)(ofs + length) > dev->hw_info.ram_size || !length
- || (length & (dev->hw_info.ram_align - 1)) != 0 || ((uint64_t)ofs & (dev->hw_info.ram_align - 1)) != 0) {
- return -EINVAL;
- }
-
- while (left > 0) {
- len = dev->hw_info.ram_max_len;
- if (left < (int)dev->hw_info.ram_max_len) {
- len = left;
- }
-
- ret = ssd_ram_read_4k(dev, buf, len, off, ctrl_idx);
- if (ret) {
- break;
- }
-
- left -= len;
- off += len;
- buf += len;
- }
-
- return ret;
-}
-
-static int ssd_ram_write(struct ssd_device *dev, void *buf, size_t length, loff_t ofs, int ctrl_idx)
-{
- int left = length;
- size_t len;
- loff_t off = ofs;
- int ret = 0;
-
- if (ctrl_idx >= dev->hw_info.nr_ctrl || (uint64_t)(ofs + length) > dev->hw_info.ram_size || !length
- || (length & (dev->hw_info.ram_align - 1)) != 0 || ((uint64_t)ofs & (dev->hw_info.ram_align - 1)) != 0) {
- return -EINVAL;
- }
-
- while (left > 0) {
- len = dev->hw_info.ram_max_len;
- if (left < (int)dev->hw_info.ram_max_len) {
- len = left;
- }
-
- ret = ssd_ram_write_4k(dev, buf, len, off, ctrl_idx);
- if (ret) {
- break;
- }
-
- left -= len;
- off += len;
- buf += len;
- }
-
- return ret;
-}
-
-
-/* flash op */
-static int ssd_check_flash(struct ssd_device *dev, int flash, int page, int ctrl_idx)
-{
- int cur_ch = flash % dev->hw_info.max_ch;
- int cur_chip = flash /dev->hw_info.max_ch;
-
- if (ctrl_idx >= dev->hw_info.nr_ctrl) {
- return -EINVAL;
- }
-
- if (cur_ch >= dev->hw_info.nr_ch || cur_chip >= dev->hw_info.nr_chip) {
- return -EINVAL;
- }
-
- if (page >= (int)(dev->hw_info.block_count * dev->hw_info.page_count)) {
- return -EINVAL;
- }
- return 0;
-}
-
-static int ssd_nand_read_id(struct ssd_device *dev, void *id, int flash, int chip, int ctrl_idx)
-{
- struct ssd_nand_op_msg *msg;
- dma_addr_t buf_dma;
- int ret = 0;
-
- if (unlikely(!id))
- return -EINVAL;
-
- buf_dma = pci_map_single(dev->pdev, id, SSD_NAND_ID_BUFF_SZ, PCI_DMA_FROMDEVICE);
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,26))
- ret = dma_mapping_error(buf_dma);
-#else
- ret = dma_mapping_error(&(dev->pdev->dev), buf_dma);
-#endif
- if (ret) {
- hio_warn("%s: unable to map read DMA buffer\n", dev->name);
- goto out_dma_mapping;
- }
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3) {
- flash = ((uint32_t)flash << 1) | (uint32_t)chip;
- chip = 0;
- }
-
- msg = (struct ssd_nand_op_msg *)ssd_get_dmsg(dev);
-
- msg->fun = SSD_FUNC_NAND_READ_ID;
- msg->chip_no = flash;
- msg->chip_ce = chip;
- msg->ctrl_idx = ctrl_idx;
- msg->buf = buf_dma;
-
- ret = ssd_do_request(dev, READ, msg, NULL);
- ssd_put_dmsg(msg);
-
- pci_unmap_single(dev->pdev, buf_dma, SSD_NAND_ID_BUFF_SZ, PCI_DMA_FROMDEVICE);
-
-out_dma_mapping:
- return ret;
-}
-
-#if 0
-static int ssd_nand_read(struct ssd_device *dev, void *buf,
- int flash, int chip, int page, int page_count, int ctrl_idx)
-{
- struct ssd_nand_op_msg *msg;
- dma_addr_t buf_dma;
- int length;
- int ret = 0;
-
- if (!buf) {
- return -EINVAL;
- }
-
- if ((page + page_count) > dev->hw_info.block_count*dev->hw_info.page_count) {
- return -EINVAL;
- }
-
- ret = ssd_check_flash(dev, flash, page, ctrl_idx);
- if (ret) {
- return ret;
- }
-
- length = page_count * dev->hw_info.page_size;
-
- buf_dma = pci_map_single(dev->pdev, buf, length, PCI_DMA_FROMDEVICE);
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,26))
- ret = dma_mapping_error(buf_dma);
-#else
- ret = dma_mapping_error(&(dev->pdev->dev), buf_dma);
-#endif
- if (ret) {
- hio_warn("%s: unable to map read DMA buffer\n", dev->name);
- goto out_dma_mapping;
- }
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3) {
- flash = (flash << 1) | chip;
- chip = 0;
- }
-
- msg = (struct ssd_nand_op_msg *)ssd_get_dmsg(dev);
-
- msg->fun = SSD_FUNC_NAND_READ;
- msg->ctrl_idx = ctrl_idx;
- msg->chip_no = flash;
- msg->chip_ce = chip;
- msg->page_no = page;
- msg->page_count = page_count;
- msg->buf = buf_dma;
-
- ret = ssd_do_request(dev, READ, msg, NULL);
- ssd_put_dmsg(msg);
-
- pci_unmap_single(dev->pdev, buf_dma, length, PCI_DMA_FROMDEVICE);
-
-out_dma_mapping:
- return ret;
-}
-#endif
-
-static int ssd_nand_read_w_oob(struct ssd_device *dev, void *buf,
- int flash, int chip, int page, int count, int ctrl_idx)
-{
- struct ssd_nand_op_msg *msg;
- dma_addr_t buf_dma;
- int length;
- int ret = 0;
-
- if (!buf) {
- return -EINVAL;
- }
-
- if ((page + count) > (int)(dev->hw_info.block_count * dev->hw_info.page_count)) {
- return -EINVAL;
- }
-
- ret = ssd_check_flash(dev, flash, page, ctrl_idx);
- if (ret) {
- return ret;
- }
-
- length = count * (dev->hw_info.page_size + dev->hw_info.oob_size);
-
- buf_dma = pci_map_single(dev->pdev, buf, length, PCI_DMA_FROMDEVICE);
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,26))
- ret = dma_mapping_error(buf_dma);
-#else
- ret = dma_mapping_error(&(dev->pdev->dev), buf_dma);
-#endif
- if (ret) {
- hio_warn("%s: unable to map read DMA buffer\n", dev->name);
- goto out_dma_mapping;
- }
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3) {
- flash = ((uint32_t)flash << 1) | (uint32_t)chip;
- chip = 0;
- }
-
- msg = (struct ssd_nand_op_msg *)ssd_get_dmsg(dev);
-
- msg->fun = SSD_FUNC_NAND_READ_WOOB;
- msg->ctrl_idx = ctrl_idx;
- msg->chip_no = flash;
- msg->chip_ce = chip;
- msg->page_no = page;
- msg->page_count = count;
- msg->buf = buf_dma;
-
- ret = ssd_do_request(dev, READ, msg, NULL);
- ssd_put_dmsg(msg);
-
- pci_unmap_single(dev->pdev, buf_dma, length, PCI_DMA_FROMDEVICE);
-
-out_dma_mapping:
- return ret;
-}
-
-/* write 1 page */
-static int ssd_nand_write(struct ssd_device *dev, void *buf,
- int flash, int chip, int page, int count, int ctrl_idx)
-{
- struct ssd_nand_op_msg *msg;
- dma_addr_t buf_dma;
- int length;
- int ret = 0;
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3) {
- return -EINVAL;
- }
-
- if (!buf) {
- return -EINVAL;
- }
-
- if (count != 1) {
- return -EINVAL;
- }
-
- ret = ssd_check_flash(dev, flash, page, ctrl_idx);
- if (ret) {
- return ret;
- }
-
- length = count * (dev->hw_info.page_size + dev->hw_info.oob_size);
-
- /* write data to ram */
- /*ret = ssd_ram_write(dev, buf, length, dev->hw_info.nand_wbuff_base, ctrl_idx);
- if (ret) {
- return ret;
- }*/
-
- buf_dma = pci_map_single(dev->pdev, buf, length, PCI_DMA_TODEVICE);
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,26))
- ret = dma_mapping_error(buf_dma);
-#else
- ret = dma_mapping_error(&(dev->pdev->dev), buf_dma);
-#endif
- if (ret) {
- hio_warn("%s: unable to map write DMA buffer\n", dev->name);
- goto out_dma_mapping;
- }
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3) {
- flash = ((uint32_t)flash << 1) | (uint32_t)chip;
- chip = 0;
- }
-
- msg = (struct ssd_nand_op_msg *)ssd_get_dmsg(dev);
-
- msg->fun = SSD_FUNC_NAND_WRITE;
- msg->ctrl_idx = ctrl_idx;
- msg->chip_no = flash;
- msg->chip_ce = chip;
-
- msg->page_no = page;
- msg->page_count = count;
- msg->buf = buf_dma;
-
- ret = ssd_do_request(dev, WRITE, msg, NULL);
- ssd_put_dmsg(msg);
-
- pci_unmap_single(dev->pdev, buf_dma, length, PCI_DMA_TODEVICE);
-
-out_dma_mapping:
- return ret;
-}
-
-static int ssd_nand_erase(struct ssd_device *dev, int flash, int chip, int page, int ctrl_idx)
-{
- struct ssd_nand_op_msg *msg;
- int ret = 0;
-
- ret = ssd_check_flash(dev, flash, page, ctrl_idx);
- if (ret) {
- return ret;
- }
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3) {
- flash = ((uint32_t)flash << 1) | (uint32_t)chip;
- chip = 0;
- }
-
- msg = (struct ssd_nand_op_msg *)ssd_get_dmsg(dev);
-
- msg->fun = SSD_FUNC_NAND_ERASE;
- msg->ctrl_idx = ctrl_idx;
- msg->chip_no = flash;
- msg->chip_ce = chip;
- msg->page_no = page;
-
- ret = ssd_do_request(dev, WRITE, msg, NULL);
- ssd_put_dmsg(msg);
-
- return ret;
-}
-
-static int ssd_update_bbt(struct ssd_device *dev, int flash, int ctrl_idx)
-{
- struct ssd_nand_op_msg *msg;
- struct ssd_flush_msg *fmsg;
- int ret = 0;
-
- ret = ssd_check_flash(dev, flash, 0, ctrl_idx);
- if (ret) {
- return ret;
- }
-
- msg = (struct ssd_nand_op_msg *)ssd_get_dmsg(dev);
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3) {
- fmsg = (struct ssd_flush_msg *)msg;
-
- fmsg->fun = SSD_FUNC_FLUSH;
- fmsg->flag = 0x1;
- fmsg->flash = flash;
- fmsg->ctrl_idx = ctrl_idx;
- } else {
- msg->fun = SSD_FUNC_FLUSH;
- msg->flag = 0x1;
- msg->chip_no = flash;
- msg->ctrl_idx = ctrl_idx;
- }
-
- ret = ssd_do_request(dev, WRITE, msg, NULL);
- ssd_put_dmsg(msg);
-
- return ret;
-}
-
-/* flash controller init state */
-static int __ssd_check_init_state(struct ssd_device *dev)
-{
- uint32_t *init_state = NULL;
- int reg_base, reg_sz;
- int max_wait = SSD_INIT_MAX_WAIT;
- int init_wait = 0;
- int i, j, k;
- int ch_start = 0;
-
-/*
- for (i=0; i<dev->hw_info.nr_ctrl; i++) {
- ssd_reg32_write(dev->ctrlp + SSD_CTRL_TEST_REG0 + i * 8, test_data);
- read_data = ssd_reg32_read(dev->ctrlp + SSD_CTRL_TEST_REG0 + i * 8);
- if (read_data == ~test_data) {
- //dev->hw_info.nr_ctrl++;
- dev->hw_info.nr_ctrl_map |= 1<<i;
- }
- }
-*/
-
-/*
- read_data = ssd_reg32_read(dev->ctrlp + SSD_READY_REG);
- j=0;
- for (i=0; i<dev->hw_info.nr_ctrl; i++) {
- if (((read_data>>i) & 0x1) == 0) {
- j++;
- }
- }
-
- if (dev->hw_info.nr_ctrl != j) {
- printk(KERN_WARNING "%s: nr_ctrl mismatch: %d %d\n", dev->name, dev->hw_info.nr_ctrl, j);
- return -1;
- }
-*/
-
-/*
- init_state = ssd_reg_read(dev->ctrlp + SSD_FLASH_INFO_REG0);
- for (j=1; j<dev->hw_info.nr_ctrl;j++) {
- if (init_state != ssd_reg_read(dev->ctrlp + SSD_FLASH_INFO_REG0 + j*8)) {
- printk(KERN_WARNING "SSD_FLASH_INFO_REG[%d], not match\n", j);
- return -1;
- }
- }
-*/
-
-/* init_state = ssd_reg_read(dev->ctrlp + SSD_CHIP_INFO_REG0);
- for (j=1; j<dev->hw_info.nr_ctrl; j++) {
- if (init_state != ssd_reg_read(dev->ctrlp + SSD_CHIP_INFO_REG0 + j*16)) {
- printk(KERN_WARNING "SSD_CHIP_INFO_REG Lo [%d], not match\n", j);
- return -1;
- }
- }
-
- init_state = ssd_reg_read(dev->ctrlp + SSD_CHIP_INFO_REG0 + 8);
- for (j=1; j<dev->hw_info.nr_ctrl; j++) {
- if (init_state != ssd_reg_read(dev->ctrlp + SSD_CHIP_INFO_REG0 + 8 + j*16)) {
- printk(KERN_WARNING "SSD_CHIP_INFO_REG Hi [%d], not match\n", j);
- return -1;
- }
- }
-*/
-
- if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) {
- max_wait = SSD_INIT_MAX_WAIT_V3_2;
- }
-
- reg_base = dev->protocol_info.init_state_reg;
- reg_sz = dev->protocol_info.init_state_reg_sz;
-
- init_state = (uint32_t *)kmalloc(reg_sz, GFP_KERNEL);
- if (!init_state) {
- return -ENOMEM;
- }
-
- for (i=0; i<dev->hw_info.nr_ctrl; i++) {
-check_init:
- for (j=0, k=0; j<reg_sz; j+=sizeof(uint32_t), k++) {
- init_state[k] = ssd_reg32_read(dev->ctrlp + reg_base + j);
- }
-
- if (dev->protocol_info.ver > SSD_PROTOCOL_V3) {
- /* just check the last bit, no need to check all channel */
- ch_start = dev->hw_info.max_ch - 1;
- } else {
- ch_start = 0;
- }
-
- for (j=0; j<dev->hw_info.nr_chip; j++) {
- for (k=ch_start; k<dev->hw_info.max_ch; k++) {
- if (test_bit((j*dev->hw_info.max_ch + k), (void *)init_state)) {
- continue;
- }
-
- init_wait++;
- if (init_wait <= max_wait) {
- msleep(SSD_INIT_WAIT);
- goto check_init;
- } else {
- if (k < dev->hw_info.nr_ch) {
- hio_warn("%s: controller %d chip %d ch %d init failed\n",
- dev->name, i, j, k);
- } else {
- hio_warn("%s: controller %d chip %d init failed\n",
- dev->name, i, j);
- }
-
- kfree(init_state);
- return -1;
- }
- }
- }
- reg_base += reg_sz;
- }
- //printk(KERN_WARNING "%s: init wait %d\n", dev->name, init_wait);
-
- kfree(init_state);
- return 0;
-}
-
-static int ssd_check_init_state(struct ssd_device *dev)
-{
- if (mode != SSD_DRV_MODE_STANDARD) {
- return 0;
- }
-
- return __ssd_check_init_state(dev);
-}
-
-static void ssd_reset_resp_ptr(struct ssd_device *dev);
-
-/* reset flash controller etc */
-static int __ssd_reset(struct ssd_device *dev, int type)
-{
- if (type < SSD_RST_NOINIT || type > SSD_RST_FULL) {
- return -EINVAL;
- }
-
- mutex_lock(&dev->fw_mutex);
-
- if (type == SSD_RST_NOINIT) { //no init
- ssd_reg32_write(dev->ctrlp + SSD_RESET_REG, SSD_RESET_NOINIT);
- } else if (type == SSD_RST_NORMAL) { //reset & init
- ssd_reg32_write(dev->ctrlp + SSD_RESET_REG, SSD_RESET);
- } else { // full reset
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- mutex_unlock(&dev->fw_mutex);
- return -EINVAL;
- }
-
- ssd_reg32_write(dev->ctrlp + SSD_FULL_RESET_REG, SSD_RESET_FULL);
-
- /* ?? */
- ssd_reset_resp_ptr(dev);
- }
-
-#ifdef SSD_OT_PROTECT
- dev->ot_delay = 0;
-#endif
-
- msleep(1000);
-
- /* xx */
- ssd_set_flush_timeout(dev, dev->wmode);
-
- mutex_unlock(&dev->fw_mutex);
- ssd_gen_swlog(dev, SSD_LOG_RESET, (uint32_t)type);
- dev->reset_time = (uint64_t)ktime_get_real_seconds();
-
- return __ssd_check_init_state(dev);
-}
-
-static int ssd_save_md(struct ssd_device *dev)
-{
- struct ssd_nand_op_msg *msg;
- int ret = 0;
-
- if (unlikely(mode != SSD_DRV_MODE_STANDARD))
- return 0;
-
- if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) {
- return 0;
- }
-
- if (!dev->save_md) {
- return 0;
- }
-
- msg = (struct ssd_nand_op_msg *)ssd_get_dmsg(dev);
-
- msg->fun = SSD_FUNC_FLUSH;
- msg->flag = 0x2;
- msg->ctrl_idx = 0;
- msg->chip_no = 0;
-
- ret = ssd_do_request(dev, WRITE, msg, NULL);
- ssd_put_dmsg(msg);
-
- return ret;
-}
-
-static int ssd_barrier_save_md(struct ssd_device *dev)
-{
- struct ssd_nand_op_msg *msg;
- int ret = 0;
-
- if (unlikely(mode != SSD_DRV_MODE_STANDARD))
- return 0;
-
- if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) {
- return 0;
- }
-
- if (!dev->save_md) {
- return 0;
- }
-
- msg = (struct ssd_nand_op_msg *)ssd_get_dmsg(dev);
-
- msg->fun = SSD_FUNC_FLUSH;
- msg->flag = 0x2;
- msg->ctrl_idx = 0;
- msg->chip_no = 0;
-
- ret = ssd_do_barrier_request(dev, WRITE, msg, NULL);
- ssd_put_dmsg(msg);
-
- return ret;
-}
-
-static int ssd_flush(struct ssd_device *dev)
-{
- struct ssd_nand_op_msg *msg;
- struct ssd_flush_msg *fmsg;
- int ret = 0;
-
- if (unlikely(mode != SSD_DRV_MODE_STANDARD))
- return 0;
-
- msg = (struct ssd_nand_op_msg *)ssd_get_dmsg(dev);
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3) {
- fmsg = (struct ssd_flush_msg *)msg;
-
- fmsg->fun = SSD_FUNC_FLUSH;
- fmsg->flag = 0;
- fmsg->ctrl_idx = 0;
- fmsg->flash = 0;
- } else {
- msg->fun = SSD_FUNC_FLUSH;
- msg->flag = 0;
- msg->ctrl_idx = 0;
- msg->chip_no = 0;
- }
-
- ret = ssd_do_request(dev, WRITE, msg, NULL);
- ssd_put_dmsg(msg);
-
- return ret;
-}
-
-static int ssd_barrier_flush(struct ssd_device *dev)
-{
- struct ssd_nand_op_msg *msg;
- struct ssd_flush_msg *fmsg;
- int ret = 0;
-
- if (unlikely(mode != SSD_DRV_MODE_STANDARD))
- return 0;
-
- msg = (struct ssd_nand_op_msg *)ssd_get_dmsg(dev);
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3) {
- fmsg = (struct ssd_flush_msg *)msg;
-
- fmsg->fun = SSD_FUNC_FLUSH;
- fmsg->flag = 0;
- fmsg->ctrl_idx = 0;
- fmsg->flash = 0;
- } else {
- msg->fun = SSD_FUNC_FLUSH;
- msg->flag = 0;
- msg->ctrl_idx = 0;
- msg->chip_no = 0;
- }
-
- ret = ssd_do_barrier_request(dev, WRITE, msg, NULL);
- ssd_put_dmsg(msg);
-
- return ret;
-}
-
-#define SSD_WMODE_BUFFER_TIMEOUT 0x00c82710
-#define SSD_WMODE_BUFFER_EX_TIMEOUT 0x000500c8
-#define SSD_WMODE_FUA_TIMEOUT 0x000503E8
-static void ssd_set_flush_timeout(struct ssd_device *dev, int m)
-{
- uint32_t to;
- uint32_t val = 0;
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_1_1) {
- return;
- }
-
- switch(m) {
- case SSD_WMODE_BUFFER:
- to = SSD_WMODE_BUFFER_TIMEOUT;
- break;
- case SSD_WMODE_BUFFER_EX:
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2_1) {
- to = SSD_WMODE_BUFFER_EX_TIMEOUT;
- } else {
- to = SSD_WMODE_BUFFER_TIMEOUT;
- }
- break;
- case SSD_WMODE_FUA:
- to = SSD_WMODE_FUA_TIMEOUT;
- break;
- default:
- return;
- }
-
- val = (((uint32_t)((uint32_t)m & 0x3) << 28) | to);
-
- ssd_reg32_write(dev->ctrlp + SSD_FLUSH_TIMEOUT_REG, val);
-}
-
-static int ssd_do_switch_wmode(struct ssd_device *dev, int m)
-{
- int ret = 0;
-
- ret = ssd_barrier_start(dev);
- if (ret) {
- goto out;
- }
-
- ret = ssd_barrier_flush(dev);
- if (ret) {
- goto out_barrier_end;
- }
-
- /* set contoller flush timeout */
- ssd_set_flush_timeout(dev, m);
-
- dev->wmode = m;
- mb();
-
-out_barrier_end:
- ssd_barrier_end(dev);
-out:
- return ret;
-}
-
-static int ssd_switch_wmode(struct ssd_device *dev, int m)
-{
- int default_wmode;
- int next_wmode;
- int ret = 0;
-
- if (!test_bit(SSD_ONLINE, &dev->state)) {
- return -ENODEV;
- }
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- default_wmode = SSD_WMODE_BUFFER;
- } else {
- default_wmode = SSD_WMODE_BUFFER_EX;
- }
-
- if (SSD_WMODE_AUTO == m) {
- /* battery fault ? */
- if (test_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon)) {
- next_wmode = SSD_WMODE_FUA;
- } else {
- next_wmode = default_wmode;
- }
- } else if (SSD_WMODE_DEFAULT == m) {
- next_wmode = default_wmode;
- } else {
- next_wmode = m;
- }
-
- if (next_wmode != dev->wmode) {
- hio_warn("%s: switch write mode (%d -> %d)\n", dev->name, dev->wmode, next_wmode);
- ret = ssd_do_switch_wmode(dev, next_wmode);
- if (ret) {
- hio_err("%s: can not switch write mode (%d -> %d)\n", dev->name, dev->wmode, next_wmode);
- }
- }
-
- return ret;
-}
-
-static int ssd_init_wmode(struct ssd_device *dev)
-{
- int default_wmode;
- int ret = 0;
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- default_wmode = SSD_WMODE_BUFFER;
- } else {
- default_wmode = SSD_WMODE_BUFFER_EX;
- }
-
- /* dummy mode */
- if (SSD_WMODE_AUTO == dev->user_wmode) {
- /* battery fault ? */
- if (test_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon)) {
- dev->wmode = SSD_WMODE_FUA;
- } else {
- dev->wmode = default_wmode;
- }
- } else if (SSD_WMODE_DEFAULT == dev->user_wmode) {
- dev->wmode = default_wmode;
- } else {
- dev->wmode = dev->user_wmode;
- }
- ssd_set_flush_timeout(dev, dev->wmode);
-
- return ret;
-}
-
-static int __ssd_set_wmode(struct ssd_device *dev, int m)
-{
- int ret = 0;
-
- /* not support old fw*/
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_1_1) {
- ret = -EOPNOTSUPP;
- goto out;
- }
-
- if (m < SSD_WMODE_BUFFER || m > SSD_WMODE_DEFAULT) {
- ret = -EINVAL;
- goto out;
- }
-
- ssd_gen_swlog(dev, SSD_LOG_SET_WMODE, m);
-
- dev->user_wmode = m;
-
- ret = ssd_switch_wmode(dev, dev->user_wmode);
- if (ret) {
- goto out;
- }
-
-out:
- return ret;
-}
-
-int ssd_set_wmode(struct block_device *bdev, int m)
-{
- struct ssd_device *dev;
-
- if (!bdev || !(bdev->bd_disk)) {
- return -EINVAL;
- }
-
- dev = bdev->bd_disk->private_data;
-
- return __ssd_set_wmode(dev, m);
-}
-
-static int ssd_do_reset(struct ssd_device *dev)
-{
- int ret = 0;
-
- if (test_and_set_bit(SSD_RESETING, &dev->state)) {
- return 0;
- }
-
- ssd_stop_workq(dev);
-
- ret = ssd_barrier_start(dev);
- if (ret) {
- goto out;
- }
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- /* old reset */
- ret = __ssd_reset(dev, SSD_RST_NORMAL);
- } else {
- /* full reset */
- //ret = __ssd_reset(dev, SSD_RST_FULL);
- ret = __ssd_reset(dev, SSD_RST_NORMAL);
- }
- if (ret) {
- goto out_barrier_end;
- }
-
-out_barrier_end:
- ssd_barrier_end(dev);
-out:
- ssd_start_workq(dev);
- test_and_clear_bit(SSD_RESETING, &dev->state);
- return ret;
-}
-
-static int ssd_full_reset(struct ssd_device *dev)
-{
- int ret = 0;
-
- if (test_and_set_bit(SSD_RESETING, &dev->state)) {
- return 0;
- }
-
- ssd_stop_workq(dev);
-
- ret = ssd_barrier_start(dev);
- if (ret) {
- goto out;
- }
-
- ret = ssd_barrier_flush(dev);
- if (ret) {
- goto out_barrier_end;
- }
-
- ret = ssd_barrier_save_md(dev);
- if (ret) {
- goto out_barrier_end;
- }
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- /* old reset */
- ret = __ssd_reset(dev, SSD_RST_NORMAL);
- } else {
- /* full reset */
- //ret = __ssd_reset(dev, SSD_RST_FULL);
- ret = __ssd_reset(dev, SSD_RST_NORMAL);
- }
- if (ret) {
- goto out_barrier_end;
- }
-
-out_barrier_end:
- ssd_barrier_end(dev);
-out:
- ssd_start_workq(dev);
- test_and_clear_bit(SSD_RESETING, &dev->state);
- return ret;
-}
-
-int ssd_reset(struct block_device *bdev)
-{
- int ret;
- struct ssd_device *dev;
-
- if (!bdev || !(bdev->bd_disk)) {
- return -EINVAL;
- }
-
- dev = bdev->bd_disk->private_data;
-
- ret = ssd_full_reset(dev);
- if (!ret) {
- if (!dev->has_non_0x98_reg_access) {
- ssd_reg32_write(dev->ctrlp + SSD_RELOAD_FW_REG, 0);
- }
- }
-
- return ret ;
-}
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
-static int ssd_issue_flush_fn(struct request_queue *q, struct gendisk *disk,
- sector_t *error_sector)
-{
- struct ssd_device *dev = q->queuedata;
-
- return ssd_flush(dev);
-}
-#endif
-
-void ssd_submit_pbio(struct request_queue *q, struct bio *bio)
-{
- struct ssd_device *dev = q->queuedata;
-#ifdef SSD_QUEUE_PBIO
- int ret = -EBUSY;
-#endif
-
- if (!test_bit(SSD_ONLINE, &dev->state)) {
- ssd_bio_endio(bio, -ENODEV);
- goto out;
- }
-
-#ifdef SSD_DEBUG_ERR
- if (atomic_read(&dev->tocnt)) {
- hio_warn("%s: IO rejected because of IO timeout!\n", dev->name);
- ssd_bio_endio(bio, -EIO);
- goto out;
- }
-#endif
-
- if (unlikely(ssd_bio_has_barrier_or_fua(bio))) {
- ssd_bio_endio(bio, -EOPNOTSUPP);
- goto out;
- }
-
- if (unlikely(dev->readonly && bio_data_dir(bio) == WRITE)) {
- ssd_bio_endio(bio, -EROFS);
- goto out;
- }
-
-#ifdef SSD_QUEUE_PBIO
- if (0 == atomic_read(&dev->in_sendq)) {
- ret = __ssd_submit_pbio(dev, bio, 0);
- }
-
- if (ret) {
- (void)test_and_set_bit(BIO_SSD_PBIO, &bio->bi_flags);
- ssd_queue_bio(dev, bio);
- }
-#else
- __ssd_submit_pbio(dev, bio, 1);
-#endif
-
-out:
- return;
-}
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,9,0))
-static blk_qc_t hio_submit_bio(struct bio *bio)
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0))
-static blk_qc_t ssd_make_request(struct request_queue *q, struct bio *bio)
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
-static void ssd_make_request(struct request_queue *q, struct bio *bio)
-#else
-static int ssd_make_request(struct request_queue *q, struct bio *bio)
-#endif
-{
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,9,0))
- struct request_queue *q = bio->bi_disk->queue;
-#endif
- struct ssd_device *dev = q->queuedata;
- int ret = -EBUSY;
-
- if (!test_bit(SSD_ONLINE, &dev->state)) {
- ssd_bio_endio(bio, -ENODEV);
- goto out;
- }
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,9,0))
- blk_queue_split(&bio);
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,13,0))
- blk_queue_split(q, &bio);
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0))
- blk_queue_split(q, &bio, q->bio_split);
-#endif
-
-#ifdef SSD_DEBUG_ERR
- if (atomic_read(&dev->tocnt)) {
- hio_warn("%s: IO rejected because of IO timeout!\n", dev->name);
- ssd_bio_endio(bio, -EIO);
- goto out;
- }
-#endif
-
- if (unlikely(ssd_bio_has_barrier_or_fua(bio))) {
- ssd_bio_endio(bio, -EOPNOTSUPP);
- goto out;
- }
-
- /* writeback_cache_control.txt: REQ_FLUSH requests without data can be completed successfully without doing any work */
- if (unlikely(ssd_bio_has_flush(bio) && !bio_sectors(bio))) {
- ssd_bio_endio(bio, 0);
- goto out;
- }
-
- if (0 == atomic_read(&dev->in_sendq)) {
- ret = ssd_submit_bio(dev, bio, 0);
- }
-
- if (ret) {
- ssd_queue_bio(dev, bio);
- }
-
-out:
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0))
- return BLK_QC_T_NONE;
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
- return;
-#else
- return 0;
-#endif
-}
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16))
-static int ssd_block_getgeo(struct block_device *bdev, struct hd_geometry *geo)
-{
- struct ssd_device *dev;
-
- if (!bdev) {
- return -EINVAL;
- }
-
- dev = bdev->bd_disk->private_data;
- if (!dev) {
- return -EINVAL;
- }
-
- geo->heads = 4;
- geo->sectors = 16;
- geo->cylinders = (dev->hw_info.size & ~0x3f) >> 6;
- return 0;
-}
-#endif
-
-static int ssd_init_queue(struct ssd_device *dev);
-static void ssd_cleanup_queue(struct ssd_device *dev);
-static void ssd_cleanup_blkdev(struct ssd_device *dev);
-static int ssd_init_blkdev(struct ssd_device *dev);
-static int ssd_ioctl_common(struct ssd_device *dev, unsigned int cmd, unsigned long arg)
-{
- void __user *argp = (void __user *)arg;
- void __user *buf = NULL;
- void *kbuf = NULL;
- int ret = 0;
-
- switch (cmd) {
- case SSD_CMD_GET_PROTOCOL_INFO:
- if (copy_to_user(argp, &dev->protocol_info, sizeof(struct ssd_protocol_info))) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
- break;
-
- case SSD_CMD_GET_HW_INFO:
- if (copy_to_user(argp, &dev->hw_info, sizeof(struct ssd_hw_info))) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
- break;
-
- case SSD_CMD_GET_ROM_INFO:
- if (copy_to_user(argp, &dev->rom_info, sizeof(struct ssd_rom_info))) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
- break;
-
- case SSD_CMD_GET_SMART: {
- struct ssd_smart smart;
- int i;
-
- memcpy(&smart, &dev->smart, sizeof(struct ssd_smart));
-
- mutex_lock(&dev->gd_mutex);
- ssd_update_smart(dev, &smart);
- mutex_unlock(&dev->gd_mutex);
-
- /* combine the volatile log info */
- if (dev->log_info.nr_log) {
- for (i=0; i<SSD_LOG_NR_LEVEL; i++) {
- smart.log_info.stat[i] += dev->log_info.stat[i];
- }
- }
-
- if (copy_to_user(argp, &smart, sizeof(struct ssd_smart))) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- break;
- }
-
- case SSD_CMD_GET_IDX:
- if (copy_to_user(argp, &dev->idx, sizeof(int))) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
- break;
-
- case SSD_CMD_GET_AMOUNT: {
- int nr_ssd = atomic_read(&ssd_nr);
- if (copy_to_user(argp, &nr_ssd, sizeof(int))) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
- break;
- }
-
- case SSD_CMD_GET_TO_INFO: {
- int tocnt = atomic_read(&dev->tocnt);
-
- if (copy_to_user(argp, &tocnt, sizeof(int))) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
- break;
- }
-
- case SSD_CMD_GET_DRV_VER: {
- char ver[] = DRIVER_VERSION;
- int len = sizeof(ver);
-
- if (len > (DRIVER_VERSION_LEN - 1)) {
- len = (DRIVER_VERSION_LEN - 1);
- }
- if (copy_to_user(argp, ver, len)) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
- break;
- }
-
- case SSD_CMD_GET_BBACC_INFO: {
- struct ssd_acc_info acc;
-
- mutex_lock(&dev->fw_mutex);
- ret = ssd_bb_acc(dev, &acc);
- mutex_unlock(&dev->fw_mutex);
- if (ret) {
- break;
- }
-
- if (copy_to_user(argp, &acc, sizeof(struct ssd_acc_info))) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
- break;
- }
-
- case SSD_CMD_GET_ECACC_INFO: {
- struct ssd_acc_info acc;
-
- mutex_lock(&dev->fw_mutex);
- ret = ssd_ec_acc(dev, &acc);
- mutex_unlock(&dev->fw_mutex);
- if (ret) {
- break;
- }
-
- if (copy_to_user(argp, &acc, sizeof(struct ssd_acc_info))) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
- break;
- }
-
- case SSD_CMD_GET_HW_INFO_EXT:
- if (copy_to_user(argp, &dev->hw_info_ext, sizeof(struct ssd_hw_info_extend))) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
- break;
-
- case SSD_CMD_REG_READ: {
- struct ssd_reg_op_info reg_info;
-
- if (copy_from_user(®_info, argp, sizeof(struct ssd_reg_op_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- if (reg_info.offset > dev->mmio_len-sizeof(uint32_t)) {
- ret = -EINVAL;
- break;
- }
-
- reg_info.value = ssd_reg32_read(dev->ctrlp + reg_info.offset);
- if (copy_to_user(argp, ®_info, sizeof(struct ssd_reg_op_info))) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- break;
- }
-
- case SSD_CMD_REG_WRITE: {
- struct ssd_reg_op_info reg_info;
-
- if (copy_from_user(®_info, argp, sizeof(struct ssd_reg_op_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- if (reg_info.offset > dev->mmio_len-sizeof(uint32_t)) {
- ret = -EINVAL;
- break;
- }
-
- ssd_reg32_write(dev->ctrlp + reg_info.offset, reg_info.value);
-
- break;
- }
-
- case SSD_CMD_SPI_READ: {
- struct ssd_spi_op_info spi_info;
- uint32_t off, size;
-
- if (copy_from_user(&spi_info, argp, sizeof(struct ssd_spi_op_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- off = spi_info.off;
- size = spi_info.len;
- buf = spi_info.buf;
-
- if (size > dev->rom_info.size || 0 == size || (off + size) > dev->rom_info.size) {
- ret = -EINVAL;
- break;
- }
-
- kbuf = kmalloc(size, GFP_KERNEL);
- if (!kbuf) {
- ret = -ENOMEM;
- break;
- }
-
- ret = ssd_spi_page_read(dev, kbuf, off, size);
- if (ret) {
- kfree(kbuf);
- break;
- }
-
- if (copy_to_user(buf, kbuf, size)) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- kfree(kbuf);
- ret = -EFAULT;
- break;
- }
-
- kfree(kbuf);
-
- break;
- }
-
- case SSD_CMD_SPI_WRITE: {
- struct ssd_spi_op_info spi_info;
- uint32_t off, size;
-
- if (copy_from_user(&spi_info, argp, sizeof(struct ssd_spi_op_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- off = spi_info.off;
- size = spi_info.len;
- buf = spi_info.buf;
-
- if (size > dev->rom_info.size || 0 == size || (off + size) > dev->rom_info.size) {
- ret = -EINVAL;
- break;
- }
-
- kbuf = kmalloc(size, GFP_KERNEL);
- if (!kbuf) {
- ret = -ENOMEM;
- break;
- }
-
- if (copy_from_user(kbuf, buf, size)) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- kfree(kbuf);
- ret = -EFAULT;
- break;
- }
-
- ret = ssd_spi_page_write(dev, kbuf, off, size);
- if (ret) {
- kfree(kbuf);
- break;
- }
-
- kfree(kbuf);
-
- break;
- }
-
- case SSD_CMD_SPI_ERASE: {
- struct ssd_spi_op_info spi_info;
- uint32_t off;
-
- if (copy_from_user(&spi_info, argp, sizeof(struct ssd_spi_op_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- off = spi_info.off;
-
- if ((off + dev->rom_info.block_size) > dev->rom_info.size) {
- ret = -EINVAL;
- break;
- }
-
- ret = ssd_spi_block_erase(dev, off);
- if (ret) {
- break;
- }
-
- break;
- }
-
- case SSD_CMD_I2C_READ: {
- struct ssd_i2c_op_info i2c_info;
- uint8_t saddr;
- uint8_t rsize;
-
- if (copy_from_user(&i2c_info, argp, sizeof(struct ssd_i2c_op_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- saddr = i2c_info.saddr;
- rsize = i2c_info.rsize;
- buf = i2c_info.rbuf;
-
- if (rsize <= 0 || rsize > SSD_I2C_MAX_DATA) {
- ret = -EINVAL;
- break;
- }
-
- kbuf = kmalloc(rsize, GFP_KERNEL);
- if (!kbuf) {
- ret = -ENOMEM;
- break;
- }
-
- ret = ssd_i2c_read(dev, saddr, rsize, kbuf);
- if (ret) {
- kfree(kbuf);
- break;
- }
-
- if (copy_to_user(buf, kbuf, rsize)) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- kfree(kbuf);
- ret = -EFAULT;
- break;
- }
-
- kfree(kbuf);
-
- break;
- }
-
- case SSD_CMD_I2C_WRITE: {
- struct ssd_i2c_op_info i2c_info;
- uint8_t saddr;
- uint8_t wsize;
-
- if (copy_from_user(&i2c_info, argp, sizeof(struct ssd_i2c_op_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- saddr = i2c_info.saddr;
- wsize = i2c_info.wsize;
- buf = i2c_info.wbuf;
-
- if (wsize <= 0 || wsize > SSD_I2C_MAX_DATA) {
- ret = -EINVAL;
- break;
- }
-
- kbuf = kmalloc(wsize, GFP_KERNEL);
- if (!kbuf) {
- ret = -ENOMEM;
- break;
- }
-
- if (copy_from_user(kbuf, buf, wsize)) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- kfree(kbuf);
- ret = -EFAULT;
- break;
- }
-
- ret = ssd_i2c_write(dev, saddr, wsize, kbuf);
- if (ret) {
- kfree(kbuf);
- break;
- }
-
- kfree(kbuf);
-
- break;
- }
-
- case SSD_CMD_I2C_WRITE_READ: {
- struct ssd_i2c_op_info i2c_info;
- uint8_t saddr;
- uint8_t wsize;
- uint8_t rsize;
- uint8_t size;
-
- if (copy_from_user(&i2c_info, argp, sizeof(struct ssd_i2c_op_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- saddr = i2c_info.saddr;
- wsize = i2c_info.wsize;
- rsize = i2c_info.rsize;
- buf = i2c_info.wbuf;
-
- if (wsize <= 0 || wsize > SSD_I2C_MAX_DATA) {
- ret = -EINVAL;
- break;
- }
-
- if (rsize <= 0 || rsize > SSD_I2C_MAX_DATA) {
- ret = -EINVAL;
- break;
- }
-
- size = wsize + rsize;
-
- kbuf = kmalloc(size, GFP_KERNEL);
- if (!kbuf) {
- ret = -ENOMEM;
- break;
- }
-
- if (copy_from_user((kbuf + rsize), buf, wsize)) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- kfree(kbuf);
- ret = -EFAULT;
- break;
- }
-
- buf = i2c_info.rbuf;
-
- ret = ssd_i2c_write_read(dev, saddr, wsize, (kbuf + rsize), rsize, kbuf);
- if (ret) {
- kfree(kbuf);
- break;
- }
-
- if (copy_to_user(buf, kbuf, rsize)) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- kfree(kbuf);
- ret = -EFAULT;
- break;
- }
-
- kfree(kbuf);
-
- break;
- }
-
- case SSD_CMD_SMBUS_SEND_BYTE: {
- struct ssd_smbus_op_info smbus_info;
- uint8_t smb_data[SSD_SMBUS_BLOCK_MAX];
- uint8_t saddr;
- uint8_t size;
-
- if (copy_from_user(&smbus_info, argp, sizeof(struct ssd_smbus_op_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- saddr = smbus_info.saddr;
- buf = smbus_info.buf;
- size = 1;
-
- if (copy_from_user(smb_data, buf, size)) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- ret = ssd_smbus_send_byte(dev, saddr, smb_data);
- if (ret) {
- break;
- }
-
- break;
- }
-
- case SSD_CMD_SMBUS_RECEIVE_BYTE: {
- struct ssd_smbus_op_info smbus_info;
- uint8_t smb_data[SSD_SMBUS_BLOCK_MAX];
- uint8_t saddr;
- uint8_t size;
-
- if (copy_from_user(&smbus_info, argp, sizeof(struct ssd_smbus_op_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- saddr = smbus_info.saddr;
- buf = smbus_info.buf;
- size = 1;
-
- ret = ssd_smbus_receive_byte(dev, saddr, smb_data);
- if (ret) {
- break;
- }
-
- if (copy_to_user(buf, smb_data, size)) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- break;
- }
-
- case SSD_CMD_SMBUS_WRITE_BYTE: {
- struct ssd_smbus_op_info smbus_info;
- uint8_t smb_data[SSD_SMBUS_BLOCK_MAX];
- uint8_t saddr;
- uint8_t command;
- uint8_t size;
-
- if (copy_from_user(&smbus_info, argp, sizeof(struct ssd_smbus_op_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- saddr = smbus_info.saddr;
- command = smbus_info.cmd;
- buf = smbus_info.buf;
- size = 1;
-
- if (copy_from_user(smb_data, buf, size)) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- ret = ssd_smbus_write_byte(dev, saddr, command, smb_data);
- if (ret) {
- break;
- }
-
- break;
- }
-
- case SSD_CMD_SMBUS_READ_BYTE: {
- struct ssd_smbus_op_info smbus_info;
- uint8_t smb_data[SSD_SMBUS_BLOCK_MAX];
- uint8_t saddr;
- uint8_t command;
- uint8_t size;
-
- if (copy_from_user(&smbus_info, argp, sizeof(struct ssd_smbus_op_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- saddr = smbus_info.saddr;
- command = smbus_info.cmd;
- buf = smbus_info.buf;
- size = 1;
-
- ret = ssd_smbus_read_byte(dev, saddr, command, smb_data);
- if (ret) {
- break;
- }
-
- if (copy_to_user(buf, smb_data, size)) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- break;
- }
-
- case SSD_CMD_SMBUS_WRITE_WORD: {
- struct ssd_smbus_op_info smbus_info;
- uint8_t smb_data[SSD_SMBUS_BLOCK_MAX];
- uint8_t saddr;
- uint8_t command;
- uint8_t size;
-
- if (copy_from_user(&smbus_info, argp, sizeof(struct ssd_smbus_op_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- saddr = smbus_info.saddr;
- command = smbus_info.cmd;
- buf = smbus_info.buf;
- size = 2;
-
- if (copy_from_user(smb_data, buf, size)) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- ret = ssd_smbus_write_word(dev, saddr, command, smb_data);
- if (ret) {
- break;
- }
-
- break;
- }
-
- case SSD_CMD_SMBUS_READ_WORD: {
- struct ssd_smbus_op_info smbus_info;
- uint8_t smb_data[SSD_SMBUS_BLOCK_MAX];
- uint8_t saddr;
- uint8_t command;
- uint8_t size;
-
- if (copy_from_user(&smbus_info, argp, sizeof(struct ssd_smbus_op_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- saddr = smbus_info.saddr;
- command = smbus_info.cmd;
- buf = smbus_info.buf;
- size = 2;
-
- ret = ssd_smbus_read_word(dev, saddr, command, smb_data);
- if (ret) {
- break;
- }
-
- if (copy_to_user(buf, smb_data, size)) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- break;
- }
-
- case SSD_CMD_SMBUS_WRITE_BLOCK: {
- struct ssd_smbus_op_info smbus_info;
- uint8_t smb_data[SSD_SMBUS_BLOCK_MAX];
- uint8_t saddr;
- uint8_t command;
- uint8_t size;
-
- if (copy_from_user(&smbus_info, argp, sizeof(struct ssd_smbus_op_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- saddr = smbus_info.saddr;
- command = smbus_info.cmd;
- buf = smbus_info.buf;
- size = smbus_info.size;
-
- if (size > SSD_SMBUS_BLOCK_MAX) {
- ret = -EINVAL;
- break;
- }
-
- if (copy_from_user(smb_data, buf, size)) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- ret = ssd_smbus_write_block(dev, saddr, command, size, smb_data);
- if (ret) {
- break;
- }
-
- break;
- }
-
- case SSD_CMD_SMBUS_READ_BLOCK: {
- struct ssd_smbus_op_info smbus_info;
- uint8_t smb_data[SSD_SMBUS_BLOCK_MAX];
- uint8_t saddr;
- uint8_t command;
- uint8_t size;
-
- if (copy_from_user(&smbus_info, argp, sizeof(struct ssd_smbus_op_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- saddr = smbus_info.saddr;
- command = smbus_info.cmd;
- buf = smbus_info.buf;
- size = smbus_info.size;
-
- if (size > SSD_SMBUS_BLOCK_MAX) {
- ret = -EINVAL;
- break;
- }
-
- ret = ssd_smbus_read_block(dev, saddr, command, size, smb_data);
- if (ret) {
- break;
- }
-
- if (copy_to_user(buf, smb_data, size)) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- break;
- }
-
- case SSD_CMD_BM_GET_VER: {
- uint16_t ver;
-
- ret = ssd_bm_get_version(dev, &ver);
- if (ret) {
- break;
- }
-
- if (copy_to_user(argp, &ver, sizeof(uint16_t))) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- break;
- }
-
- case SSD_CMD_BM_GET_NR_CAP: {
- int nr_cap;
-
- ret = ssd_bm_nr_cap(dev, &nr_cap);
- if (ret) {
- break;
- }
-
- if (copy_to_user(argp, &nr_cap, sizeof(int))) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- break;
- }
-
- case SSD_CMD_BM_CAP_LEARNING: {
- ret = ssd_bm_enter_cap_learning(dev);
-
- if (ret) {
- break;
- }
-
- break;
- }
-
- case SSD_CMD_CAP_LEARN: {
- uint32_t cap = 0;
-
- ret = ssd_cap_learn(dev, &cap);
- if (ret) {
- break;
- }
-
- if (copy_to_user(argp, &cap, sizeof(uint32_t))) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- break;
- }
-
- case SSD_CMD_GET_CAP_STATUS: {
- int cap_status = 0;
-
- if (test_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon)) {
- cap_status = 1;
- }
-
- if (copy_to_user(argp, &cap_status, sizeof(int))) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- break;
- }
-
- case SSD_CMD_RAM_READ: {
- struct ssd_ram_op_info ram_info;
- uint64_t ofs;
- uint32_t length;
- size_t rlen, len = dev->hw_info.ram_max_len;
- int ctrl_idx;
-
- if (copy_from_user(&ram_info, argp, sizeof(struct ssd_ram_op_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- ofs = ram_info.start;
- length = ram_info.length;
- buf = ram_info.buf;
- ctrl_idx = ram_info.ctrl_idx;
-
- if (ofs >= dev->hw_info.ram_size || length > dev->hw_info.ram_size || 0 == length || (ofs + length) > dev->hw_info.ram_size) {
- ret = -EINVAL;
- break;
- }
-
- kbuf = kmalloc(len, GFP_KERNEL);
- if (!kbuf) {
- ret = -ENOMEM;
- break;
- }
-
- for (rlen=0; rlen<length; rlen+=len, buf+=len, ofs+=len) {
- if ((length - rlen) < len) {
- len = length - rlen;
- }
-
- ret = ssd_ram_read(dev, kbuf, len, ofs, ctrl_idx);
- if (ret) {
- break;
- }
-
- if (copy_to_user(buf, kbuf, len)) {
- ret = -EFAULT;
- break;
- }
- }
-
- kfree(kbuf);
-
- break;
- }
-
- case SSD_CMD_RAM_WRITE: {
- struct ssd_ram_op_info ram_info;
- uint64_t ofs;
- uint32_t length;
- size_t wlen, len = dev->hw_info.ram_max_len;
- int ctrl_idx;
-
- if (copy_from_user(&ram_info, argp, sizeof(struct ssd_ram_op_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
- ofs = ram_info.start;
- length = ram_info.length;
- buf = ram_info.buf;
- ctrl_idx = ram_info.ctrl_idx;
-
- if (ofs >= dev->hw_info.ram_size || length > dev->hw_info.ram_size || 0 == length || (ofs + length) > dev->hw_info.ram_size) {
- ret = -EINVAL;
- break;
- }
-
- kbuf = kmalloc(len, GFP_KERNEL);
- if (!kbuf) {
- ret = -ENOMEM;
- break;
- }
-
- for (wlen=0; wlen<length; wlen+=len, buf+=len, ofs+=len) {
- if ((length - wlen) < len) {
- len = length - wlen;
- }
-
- if (copy_from_user(kbuf, buf, len)) {
- ret = -EFAULT;
- break;
- }
-
- ret = ssd_ram_write(dev, kbuf, len, ofs, ctrl_idx);
- if (ret) {
- break;
- }
- }
-
- kfree(kbuf);
-
- break;
- }
-
- case SSD_CMD_NAND_READ_ID: {
- struct ssd_flash_op_info flash_info;
- int chip_no, chip_ce, length, ctrl_idx;
-
- if (copy_from_user(&flash_info, argp, sizeof(struct ssd_flash_op_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- chip_no = flash_info.flash;
- chip_ce = flash_info.chip;
- ctrl_idx = flash_info.ctrl_idx;
- buf = flash_info.buf;
- length = dev->hw_info.id_size;
-
- //kbuf = kmalloc(length, GFP_KERNEL);
- kbuf = kmalloc(SSD_NAND_ID_BUFF_SZ, GFP_KERNEL); //xx
- if (!kbuf) {
- ret = -ENOMEM;
- break;
- }
- memset(kbuf, 0, length);
-
- ret = ssd_nand_read_id(dev, kbuf, chip_no, chip_ce, ctrl_idx);
- if (ret) {
- kfree(kbuf);
- break;
- }
-
- if (copy_to_user(buf, kbuf, length)) {
- kfree(kbuf);
- ret = -EFAULT;
- break;
- }
-
- kfree(kbuf);
-
- break;
- }
-
- case SSD_CMD_NAND_READ: { //with oob
- struct ssd_flash_op_info flash_info;
- uint32_t length;
- int flash, chip, page, ctrl_idx;
- int err = 0;
-
- if (copy_from_user(&flash_info, argp, sizeof(struct ssd_flash_op_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- flash = flash_info.flash;
- chip = flash_info.chip;
- page = flash_info.page;
- buf = flash_info.buf;
- ctrl_idx = flash_info.ctrl_idx;
-
- length = dev->hw_info.page_size + dev->hw_info.oob_size;
-
- kbuf = kmalloc(length, GFP_KERNEL);
- if (!kbuf) {
- ret = -ENOMEM;
- break;
- }
-
- err = ret = ssd_nand_read_w_oob(dev, kbuf, flash, chip, page, 1, ctrl_idx);
- if (ret && (-EIO != ret)) {
- kfree(kbuf);
- break;
- }
-
- if (copy_to_user(buf, kbuf, length)) {
- kfree(kbuf);
- ret = -EFAULT;
- break;
- }
-
- ret = err;
-
- kfree(kbuf);
- break;
- }
-
- case SSD_CMD_NAND_WRITE: {
- struct ssd_flash_op_info flash_info;
- int flash, chip, page, ctrl_idx;
- uint32_t length;
-
- if (copy_from_user(&flash_info, argp, sizeof(struct ssd_flash_op_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- flash = flash_info.flash;
- chip = flash_info.chip;
- page = flash_info.page;
- buf = flash_info.buf;
- ctrl_idx = flash_info.ctrl_idx;
-
- length = dev->hw_info.page_size + dev->hw_info.oob_size;
-
- kbuf = kmalloc(length, GFP_KERNEL);
- if (!kbuf) {
- ret = -ENOMEM;
- break;
- }
-
- if (copy_from_user(kbuf, buf, length)) {
- kfree(kbuf);
- ret = -EFAULT;
- break;
- }
-
- ret = ssd_nand_write(dev, kbuf, flash, chip, page, 1, ctrl_idx);
- if (ret) {
- kfree(kbuf);
- break;
- }
-
- kfree(kbuf);
- break;
- }
-
- case SSD_CMD_NAND_ERASE: {
- struct ssd_flash_op_info flash_info;
- int flash, chip, page, ctrl_idx;
-
- if (copy_from_user(&flash_info, argp, sizeof(struct ssd_flash_op_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- flash = flash_info.flash;
- chip = flash_info.chip;
- page = flash_info.page;
- ctrl_idx = flash_info.ctrl_idx;
-
- if ((page % dev->hw_info.page_count) != 0) {
- ret = -EINVAL;
- break;
- }
-
- //hio_warn("erase fs = %llx\n", ofs);
- ret = ssd_nand_erase(dev, flash, chip, page, ctrl_idx);
- if (ret) {
- break;
- }
-
- break;
- }
-
- case SSD_CMD_NAND_READ_EXT: { //ingore EIO
- struct ssd_flash_op_info flash_info;
- uint32_t length;
- int flash, chip, page, ctrl_idx;
-
- if (copy_from_user(&flash_info, argp, sizeof(struct ssd_flash_op_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- flash = flash_info.flash;
- chip = flash_info.chip;
- page = flash_info.page;
- buf = flash_info.buf;
- ctrl_idx = flash_info.ctrl_idx;
-
- length = dev->hw_info.page_size + dev->hw_info.oob_size;
-
- kbuf = kmalloc(length, GFP_KERNEL);
- if (!kbuf) {
- ret = -ENOMEM;
- break;
- }
-
- ret = ssd_nand_read_w_oob(dev, kbuf, flash, chip, page, 1, ctrl_idx);
- if (-EIO == ret) { //ingore EIO
- ret = 0;
- }
- if (ret) {
- kfree(kbuf);
- break;
- }
-
- if (copy_to_user(buf, kbuf, length)) {
- kfree(kbuf);
- ret = -EFAULT;
- break;
- }
-
- kfree(kbuf);
- break;
- }
-
- case SSD_CMD_UPDATE_BBT: {
- struct ssd_flash_op_info flash_info;
- int ctrl_idx, flash;
-
- if (copy_from_user(&flash_info, argp, sizeof(struct ssd_flash_op_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- ctrl_idx = flash_info.ctrl_idx;
- flash = flash_info.flash;
- ret = ssd_update_bbt(dev, flash, ctrl_idx);
- if (ret) {
- break;
- }
-
- break;
- }
-
- case SSD_CMD_CLEAR_ALARM:
- ssd_clear_alarm(dev);
- break;
-
- case SSD_CMD_SET_ALARM:
- ssd_set_alarm(dev);
- break;
-
- case SSD_CMD_RESET:
- ret = ssd_do_reset(dev);
- break;
-
- case SSD_CMD_RELOAD_FW:
- dev->reload_fw = 1;
- dev->has_non_0x98_reg_access = 1;
- if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) {
- ssd_reg32_write(dev->ctrlp + SSD_RELOAD_FW_REG, SSD_RELOAD_FLAG);
- } else if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_1_1) {
- ssd_reg32_write(dev->ctrlp + SSD_RELOAD_FW_REG, SSD_RELOAD_FW);
-
- }
- break;
-
- case SSD_CMD_UNLOAD_DEV: {
- if (atomic_read(&dev->refcnt)) {
- ret = -EBUSY;
- break;
- }
-
- /* save smart */
- ssd_save_smart(dev);
-
- ret = ssd_flush(dev);
- if (ret) {
- break;
- }
-
- /* cleanup the block device */
- if (test_and_clear_bit(SSD_INIT_BD, &dev->state)) {
- mutex_lock(&dev->gd_mutex);
- ssd_cleanup_blkdev(dev);
- ssd_cleanup_queue(dev);
- mutex_unlock(&dev->gd_mutex);
- }
-
- break;
- }
-
- case SSD_CMD_LOAD_DEV: {
-
- if (test_bit(SSD_INIT_BD, &dev->state)) {
- ret = -EINVAL;
- break;
- }
-
- ret = ssd_init_smart(dev);
- if (ret) {
- hio_warn("%s: init info: failed\n", dev->name);
- break;
- }
-
- ret = ssd_init_queue(dev);
- if (ret) {
- hio_warn("%s: init queue failed\n", dev->name);
- break;
- }
- ret = ssd_init_blkdev(dev);
- if (ret) {
- hio_warn("%s: register block device: failed\n", dev->name);
- break;
- }
- (void)test_and_set_bit(SSD_INIT_BD, &dev->state);
-
- break;
- }
-
- case SSD_CMD_UPDATE_VP: {
- uint32_t val;
- uint32_t new_vp, new_vp1 = 0;
-
- if (test_bit(SSD_INIT_BD, &dev->state)) {
- ret = -EINVAL;
- break;
- }
-
- if (copy_from_user(&new_vp, argp, sizeof(uint32_t))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- if (new_vp > dev->hw_info.max_valid_pages || new_vp <= 0) {
- ret = -EINVAL;
- break;
- }
-
- while (new_vp <= dev->hw_info.max_valid_pages) {
- ssd_reg32_write(dev->ctrlp + SSD_VALID_PAGES_REG, new_vp);
- msleep(10);
- val = ssd_reg32_read(dev->ctrlp + SSD_VALID_PAGES_REG);
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- new_vp1 = val & 0x3FF;
- } else {
- new_vp1 = val & 0x7FFF;
- }
-
- if (new_vp1 == new_vp) {
- break;
- }
-
- new_vp++;
- /*if (new_vp == dev->hw_info.valid_pages) {
- new_vp++;
- }*/
- }
-
- if (new_vp1 != new_vp || new_vp > dev->hw_info.max_valid_pages) {
- /* restore */
- ssd_reg32_write(dev->ctrlp + SSD_VALID_PAGES_REG, dev->hw_info.valid_pages);
- ret = -EINVAL;
- break;
- }
-
- if (copy_to_user(argp, &new_vp, sizeof(uint32_t))) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ssd_reg32_write(dev->ctrlp + SSD_VALID_PAGES_REG, dev->hw_info.valid_pages);
- ret = -EFAULT;
- break;
- }
-
- /* new */
- dev->hw_info.valid_pages = new_vp;
- dev->hw_info.size = (uint64_t)dev->hw_info.valid_pages * dev->hw_info.page_size;
- dev->hw_info.size *= (dev->hw_info.block_count - dev->hw_info.reserved_blks);
- dev->hw_info.size *= ((uint64_t)dev->hw_info.nr_data_ch * (uint64_t)dev->hw_info.nr_chip * (uint64_t)dev->hw_info.nr_ctrl);
-
- break;
- }
-
- case SSD_CMD_FULL_RESET: {
- ret = ssd_full_reset(dev);
- break;
- }
-
- case SSD_CMD_GET_NR_LOG: {
- if (copy_to_user(argp, &dev->internal_log.nr_log, sizeof(dev->internal_log.nr_log))) {
- ret = -EFAULT;
- break;
- }
- break;
- }
-
- case SSD_CMD_GET_LOG: {
- uint32_t length = dev->rom_info.log_sz;
-
- buf = argp;
-
- if (copy_to_user(buf, dev->internal_log.log, length)) {
- ret = -EFAULT;
- break;
- }
-
- break;
- }
-
- case SSD_CMD_LOG_LEVEL: {
- int level = 0;
- if (copy_from_user(&level, argp, sizeof(int))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- if (level >= SSD_LOG_NR_LEVEL || level < SSD_LOG_LEVEL_INFO) {
- level = SSD_LOG_LEVEL_ERR;
- }
-
- //just for showing log, no need to protect
- log_level = level;
- break;
- }
-
- case SSD_CMD_OT_PROTECT: {
- int protect = 0;
-
- if (copy_from_user(&protect, argp, sizeof(int))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- ssd_set_ot_protect(dev, !!protect);
- break;
- }
-
- case SSD_CMD_GET_OT_STATUS: {
- int status = ssd_get_ot_status(dev, &status);
-
- if (copy_to_user(argp, &status, sizeof(int))) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
- break;
- }
-
- case SSD_CMD_CLEAR_LOG: {
- ret = ssd_clear_log(dev);
- break;
- }
-
- case SSD_CMD_CLEAR_SMART: {
- ret = ssd_clear_smart(dev);
- break;
- }
-
- case SSD_CMD_CLEAR_WARNING: {
- ret = ssd_clear_warning(dev);
- break;
- }
-
- case SSD_CMD_SW_LOG: {
- struct ssd_sw_log_info sw_log;
-
- if (copy_from_user(&sw_log, argp, sizeof(struct ssd_sw_log_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- ret = ssd_gen_swlog(dev, sw_log.event, sw_log.data);
- break;
- }
-
- case SSD_CMD_GET_LABEL: {
-
- if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) {
- ret = -EINVAL;
- break;
- }
-
- if (copy_to_user(argp, &dev->label, sizeof(struct ssd_label))) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
- break;
- }
-
- case SSD_CMD_GET_VERSION: {
- struct ssd_version_info ver;
-
- mutex_lock(&dev->fw_mutex);
- ret = __ssd_get_version(dev, &ver);
- mutex_unlock(&dev->fw_mutex);
- if (ret) {
- break;
- }
-
- if (copy_to_user(argp, &ver, sizeof(struct ssd_version_info))) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
- break;
- }
-
- case SSD_CMD_GET_TEMPERATURE: {
- int temp;
-
- mutex_lock(&dev->fw_mutex);
- ret = __ssd_get_temperature(dev, &temp);
- mutex_unlock(&dev->fw_mutex);
- if (ret) {
- break;
- }
-
- if (copy_to_user(argp, &temp, sizeof(int))) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
- break;
- }
-
- case SSD_CMD_GET_BMSTATUS: {
- int status;
-
- mutex_lock(&dev->fw_mutex);
- if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) {
- if (test_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon)) {
- status = SSD_BMSTATUS_WARNING;
- } else {
- status = SSD_BMSTATUS_OK;
- }
- } else if(dev->protocol_info.ver > SSD_PROTOCOL_V3) {
- ret = __ssd_bm_status(dev, &status);
- } else {
- status = SSD_BMSTATUS_OK;
- }
- mutex_unlock(&dev->fw_mutex);
- if (ret) {
- break;
- }
-
- if (copy_to_user(argp, &status, sizeof(int))) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
- break;
- }
-
- case SSD_CMD_GET_LABEL2: {
- void *label;
- int length;
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- label = &dev->label;
- length = sizeof(struct ssd_label);
- } else {
- label = &dev->labelv3;
- length = sizeof(struct ssd_labelv3);
- }
-
- if (copy_to_user(argp, label, length)) {
- ret = -EFAULT;
- break;
- }
- break;
- }
-
- case SSD_CMD_FLUSH:
- ret = ssd_flush(dev);
- if (ret) {
- hio_warn("%s: ssd_flush: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
- break;
-
- case SSD_CMD_SAVE_MD: {
- int save_md = 0;
-
- if (copy_from_user(&save_md, argp, sizeof(int))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- dev->save_md = !!save_md;
- break;
- }
-
- case SSD_CMD_SET_WMODE: {
- int new_wmode = 0;
-
- if (copy_from_user(&new_wmode, argp, sizeof(int))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- ret = __ssd_set_wmode(dev, new_wmode);
- if (ret) {
- break;
- }
-
- break;
- }
-
- case SSD_CMD_GET_WMODE: {
- if (copy_to_user(argp, &dev->wmode, sizeof(int))) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- break;
- }
-
- case SSD_CMD_GET_USER_WMODE: {
- if (copy_to_user(argp, &dev->user_wmode, sizeof(int))) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- break;
- }
-
- case SSD_CMD_DEBUG: {
- struct ssd_debug_info db_info;
-
- if (!finject) {
- ret = -EOPNOTSUPP;
- break;
- }
-
- if (copy_from_user(&db_info, argp, sizeof(struct ssd_debug_info))) {
- hio_warn("%s: copy_from_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
-
- if (db_info.type < SSD_DEBUG_NONE || db_info.type >= SSD_DEBUG_NR) {
- ret = -EINVAL;
- break;
- }
-
- /* IO */
- if (db_info.type >= SSD_DEBUG_READ_ERR && db_info.type <= SSD_DEBUG_RW_ERR &&
- (db_info.data.loc.off + db_info.data.loc.len) > (dev->hw_info.size >> 9)) {
- ret = -EINVAL;
- break;
- }
-
- memcpy(&dev->db_info, &db_info, sizeof(struct ssd_debug_info));
-
-#ifdef SSD_OT_PROTECT
- /* temperature */
- if (db_info.type == SSD_DEBUG_NONE) {
- ssd_check_temperature(dev, SSD_OT_TEMP);
- } else if (db_info.type == SSD_DEBUG_LOG) {
- if (db_info.data.log.event == SSD_LOG_OVER_TEMP) {
- dev->ot_delay = SSD_OT_DELAY;
- } else if (db_info.data.log.event == SSD_LOG_NORMAL_TEMP) {
- dev->ot_delay = 0;
- }
- }
-#endif
-
- /* offline */
- if (db_info.type == SSD_DEBUG_OFFLINE) {
- test_and_clear_bit(SSD_ONLINE, &dev->state);
- } else if (db_info.type == SSD_DEBUG_NONE) {
- (void)test_and_set_bit(SSD_ONLINE, &dev->state);
- }
-
- /* log */
- if (db_info.type == SSD_DEBUG_LOG && dev->event_call && dev->gd) {
- dev->event_call(dev->gd, db_info.data.log.event, 0);
- }
-
- break;
- }
-
- case SSD_CMD_DRV_PARAM_INFO: {
- struct ssd_drv_param_info drv_param;
-
- memset(&drv_param, 0, sizeof(struct ssd_drv_param_info));
-
- drv_param.mode = mode;
- drv_param.status_mask = status_mask;
- drv_param.int_mode = int_mode;
- drv_param.threaded_irq = threaded_irq;
- drv_param.log_level = log_level;
- drv_param.wmode = wmode;
- drv_param.ot_protect = ot_protect;
- drv_param.finject = finject;
-
- if (copy_to_user(argp, &drv_param, sizeof(struct ssd_drv_param_info))) {
- hio_warn("%s: copy_to_user: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
- break;
- }
-
- default:
- ret = -EINVAL;
- break;
- }
-
- return ret;
-}
-
-
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,27))
-static int ssd_block_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
-{
- struct ssd_device *dev;
- void __user *argp = (void __user *)arg;
- int ret = 0;
-
- if (!inode) {
- return -EINVAL;
- }
- dev = inode->i_bdev->bd_disk->private_data;
- if (!dev) {
- return -EINVAL;
- }
-#else
-static int ssd_block_ioctl(struct block_device *bdev, fmode_t mode,
- unsigned int cmd, unsigned long arg)
-{
- struct ssd_device *dev;
- void __user *argp = (void __user *)arg;
- int ret = 0;
-
- if (!bdev) {
- return -EINVAL;
- }
-
- dev = bdev->bd_disk->private_data;
- if (!dev) {
- return -EINVAL;
- }
-#endif
-
- switch (cmd) {
- case HDIO_GETGEO: {
- struct hd_geometry geo;
- geo.cylinders = (dev->hw_info.size & ~0x3f) >> 6;
- geo.heads = 4;
- geo.sectors = 16;
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,27))
- geo.start = get_start_sect(inode->i_bdev);
-#else
- geo.start = get_start_sect(bdev);
-#endif
- if (copy_to_user(argp, &geo, sizeof(geo))) {
- ret = -EFAULT;
- break;
- }
-
- break;
- }
-
- case BLKFLSBUF:
- ret = ssd_flush(dev);
- if (ret) {
- hio_warn("%s: ssd_flush: failed\n", dev->name);
- ret = -EFAULT;
- break;
- }
- break;
-
- default:
- if (!dev->slave) {
- ret = ssd_ioctl_common(dev, cmd, arg);
- } else {
- ret = -EFAULT;
- }
- break;
- }
-
- return ret;
-}
-
-
-static void ssd_free_dev(struct kref *kref)
-{
- struct ssd_device *dev;
-
- if (!kref) {
- return;
- }
-
- dev = container_of(kref, struct ssd_device, kref);
-
- put_disk(dev->gd);
-
- ssd_put_index(dev->slave, dev->idx);
-
- kfree(dev);
-}
-
-static void ssd_put(struct ssd_device *dev)
-{
- kref_put(&dev->kref, ssd_free_dev);
-}
-
-static int ssd_get(struct ssd_device *dev)
-{
- kref_get(&dev->kref);
- return 0;
-}
-
-/* block device */
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,27))
-static int ssd_block_open(struct inode *inode, struct file *filp)
-{
- struct ssd_device *dev;
-
- if (!inode) {
- return -EINVAL;
- }
-
- dev = inode->i_bdev->bd_disk->private_data;
- if (!dev) {
- return -EINVAL;
- }
-#else
-static int ssd_block_open(struct block_device *bdev, fmode_t mode)
-{
- struct ssd_device *dev;
-
- if (!bdev) {
- return -EINVAL;
- }
-
- dev = bdev->bd_disk->private_data;
- if (!dev) {
- return -EINVAL;
- }
-#endif
-
- /*if (!try_module_get(dev->owner))
- return -ENODEV;
- */
-
- ssd_get(dev);
-
- atomic_inc(&dev->refcnt);
-
- return 0;
-}
-
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,27))
-static int ssd_block_release(struct inode *inode, struct file *filp)
-{
- struct ssd_device *dev;
-
- if (!inode) {
- return -EINVAL;
- }
-
- dev = inode->i_bdev->bd_disk->private_data;
- if (!dev) {
- return -EINVAL;
- }
-#elif (LINUX_VERSION_CODE <= KERNEL_VERSION(3,9,0))
-static int ssd_block_release(struct gendisk *disk, fmode_t mode)
-{
- struct ssd_device *dev;
-
- if (!disk) {
- return -EINVAL;
- }
-
- dev = disk->private_data;
- if (!dev) {
- return -EINVAL;
- }
-#else
-static void ssd_block_release(struct gendisk *disk, fmode_t mode)
-{
- struct ssd_device *dev;
-
- if (!disk) {
- return;
- }
-
- dev = disk->private_data;
- if (!dev) {
- return;
- }
-#endif
-
- atomic_dec(&dev->refcnt);
-
- ssd_put(dev);
-
- //module_put(dev->owner);
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(3,9,0))
- return 0;
-#endif
-}
-
-static struct block_device_operations ssd_fops = {
- .owner = THIS_MODULE,
- .open = ssd_block_open,
- .release = ssd_block_release,
- .ioctl = ssd_block_ioctl,
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16))
- .getgeo = ssd_block_getgeo,
-#endif
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,9,0))
- .submit_bio = hio_submit_bio,
-#endif
-};
-
-static void ssd_init_trim(ssd_device_t *dev)
-{
-#if (defined SSD_TRIM && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32)))
- if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) {
- return;
- }
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,17,0))
- blk_queue_flag_set(QUEUE_FLAG_DISCARD, dev->rq);
-#else
- queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, dev->rq);
-#endif
-
-#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33)) || (defined RHEL_MAJOR && RHEL_MAJOR >= 6))
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,12,0))
- dev->rq->limits.discard_zeroes_data = 1;
-#endif
- dev->rq->limits.discard_alignment = 4096;
- dev->rq->limits.discard_granularity = 4096;
-#endif
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2_4) {
- dev->rq->limits.max_discard_sectors = dev->hw_info.sg_max_sec;
- } else {
- dev->rq->limits.max_discard_sectors = (dev->hw_info.sg_max_sec) * (dev->hw_info.cmd_max_sg);
- }
-#endif
-}
-
-static void ssd_cleanup_queue(struct ssd_device *dev)
-{
- ssd_wait_io(dev);
-
- blk_cleanup_queue(dev->rq);
- dev->rq = NULL;
-}
-
-static int ssd_init_queue(struct ssd_device *dev)
-{
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(5,7,0))
- dev->rq = blk_alloc_queue(GFP_KERNEL);
- if (dev->rq == NULL) {
- hio_warn("%s: alloc queue: failed\n ", dev->name);
- goto out_init_queue;
- }
-
- /* must be first */
- blk_queue_make_request(dev->rq, ssd_make_request);
-#else
-# if (LINUX_VERSION_CODE < KERNEL_VERSION(5,9,0))
- dev->rq = blk_alloc_queue(ssd_make_request, NUMA_NO_NODE);
-# else
- dev->rq = blk_alloc_queue(NUMA_NO_NODE);
-# endif
- if (dev->rq == NULL) {
- hio_warn("%s: blk_alloc_queue(): failed\n ", dev->name);
- goto out_init_queue;
- }
-#endif
-#if ((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,34)) && !(defined RHEL_MAJOR && RHEL_MAJOR == 6))
- blk_queue_max_hw_segments(dev->rq, dev->hw_info.cmd_max_sg);
- blk_queue_max_phys_segments(dev->rq, dev->hw_info.cmd_max_sg);
- blk_queue_max_sectors(dev->rq, dev->hw_info.sg_max_sec);
-#else
- blk_queue_max_segments(dev->rq, dev->hw_info.cmd_max_sg);
- blk_queue_max_hw_sectors(dev->rq, dev->hw_info.sg_max_sec);
-#endif
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31))
- blk_queue_hardsect_size(dev->rq, 512);
-#else
- blk_queue_logical_block_size(dev->rq, 512);
-#endif
- /* not work for make_request based drivers(bio) */
- blk_queue_max_segment_size(dev->rq, dev->hw_info.sg_max_sec << 9);
-
- blk_queue_bounce_limit(dev->rq, BLK_BOUNCE_HIGH);
-
- dev->rq->queuedata = dev;
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
- blk_queue_issue_flush_fn(dev->rq, ssd_issue_flush_fn);
-#endif
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28))
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,17,0))
- blk_queue_flag_set(QUEUE_FLAG_NONROT, dev->rq);
-#else
- queue_flag_set_unlocked(QUEUE_FLAG_NONROT, dev->rq);
-#endif
-#endif
-
- ssd_init_trim(dev);
-
- return 0;
-
-out_init_queue:
- return -ENOMEM;
-}
-
-static void ssd_cleanup_blkdev(struct ssd_device *dev)
-{
- del_gendisk(dev->gd);
-}
-
-static int ssd_init_blkdev(struct ssd_device *dev)
-{
- if (dev->gd) {
- put_disk(dev->gd);
- }
-
- dev->gd = alloc_disk(ssd_minors);
- if (!dev->gd) {
- hio_warn("%s: alloc_disk fail\n", dev->name);
- goto out_alloc_gd;
- }
- dev->gd->major = dev->major;
- dev->gd->first_minor = dev->idx * ssd_minors;
- dev->gd->fops = &ssd_fops;
- dev->gd->queue = dev->rq;
- dev->gd->private_data = dev;
-
- snprintf (dev->gd->disk_name, sizeof(dev->gd->disk_name), "%s", dev->name);
-
- set_capacity(dev->gd, dev->hw_info.size >> 9);
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,20,0))
- device_add_disk(&dev->pdev->dev, dev->gd, NULL);
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0))
- device_add_disk(&dev->pdev->dev, dev->gd);
-#else
- dev->gd->driverfs_dev = &dev->pdev->dev;
- add_disk(dev->gd);
-#endif
-
- return 0;
-
-out_alloc_gd:
- return -ENOMEM;
-}
-
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,10))
-static int ssd_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
-#else
-static long ssd_ioctl(struct file *file,
- unsigned int cmd, unsigned long arg)
-#endif
-{
- struct ssd_device *dev;
-
- if (!file) {
- return -EINVAL;
- }
-
- dev = file->private_data;
- if (!dev) {
- return -EINVAL;
- }
-
- return (long)ssd_ioctl_common(dev, cmd, arg);
-}
-
-static int ssd_open(struct inode *inode, struct file *file)
-{
- struct ssd_device *dev = NULL;
- struct ssd_device *n = NULL;
- int idx;
- int ret = -ENODEV;
-
- if (!inode || !file) {
- return -EINVAL;
- }
-
- idx = iminor(inode);
-
- list_for_each_entry_safe(dev, n, &ssd_list, list) {
- if (dev->idx == idx) {
- ret = 0;
- break;
- }
- }
-
- if (ret) {
- return ret;
- }
-
- file->private_data = dev;
-
- ssd_get(dev);
-
- return 0;
-}
-
-static int ssd_release(struct inode *inode, struct file *file)
-{
- struct ssd_device *dev;
-
- if (!file) {
- return -EINVAL;
- }
-
- dev = file->private_data;
- if (!dev) {
- return -EINVAL;
- }
-
- ssd_put(dev);
-
- file->private_data = NULL;
-
- return 0;
-}
-
-static int ssd_reload_ssd_ptr(struct ssd_device *dev)
-{
- ssd_reset_resp_ptr(dev);
-
- //update base reg address
- if (dev->protocol_info.ver >= SSD_PROTOCOL_V3) {
-
- ssd_reg_write(dev->ctrlp + SSD_MSG_BASE_REG, dev->msg_base_dma);
- }
-
- //update response base reg address
- ssd_reg_write(dev->ctrlp + SSD_RESP_FIFO_REG, dev->resp_msg_base_dma);
- ssd_reg_write(dev->ctrlp + SSD_RESP_PTR_REG, dev->resp_ptr_base_dma);
-
- return 0;
-}
-
-static struct file_operations ssd_cfops = {
- .owner = THIS_MODULE,
- .open = ssd_open,
- .release = ssd_release,
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,10))
- .ioctl = ssd_ioctl,
-#else
- .unlocked_ioctl = ssd_ioctl,
-#endif
-};
-
-static void ssd_cleanup_chardev(struct ssd_device *dev)
-{
- if (dev->slave) {
- return;
- }
-
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,12))
- class_simple_device_remove(MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx));
- devfs_remove("c%s", dev->name);
-#elif (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,14))
- class_device_destroy(ssd_class, MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx));
- devfs_remove("c%s", dev->name);
-#elif (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,17))
- class_device_destroy(ssd_class, MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx));
- devfs_remove("c%s", dev->name);
-#elif (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,24))
- class_device_destroy(ssd_class, MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx));
-#else
- device_destroy(ssd_class, MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx));
-#endif
-}
-
-static int ssd_init_chardev(struct ssd_device *dev)
-{
- int ret = 0;
-
- if (dev->slave) {
- return 0;
- }
-
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,12))
- ret = devfs_mk_cdev(MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx), S_IFCHR|S_IRUSR|S_IWUSR, "c%s", dev->name);
- if (ret) {
- goto out;
- }
- class_simple_device_add(ssd_class, MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx), NULL, "c%s", dev->name);
-out:
-#elif (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,14))
- ret = devfs_mk_cdev(MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx), S_IFCHR|S_IRUSR|S_IWUSR, "c%s", dev->name);
- if (ret) {
- goto out;
- }
- class_device_create(ssd_class, MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx), NULL, "c%s", dev->name);
-out:
-#elif (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,17))
- ret = devfs_mk_cdev(MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx), S_IFCHR|S_IRUSR|S_IWUSR, "c%s", dev->name);
- if (ret) {
- goto out;
- }
- class_device_create(ssd_class, NULL, MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx), NULL, "c%s", dev->name);
-out:
-#elif (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,24))
- class_device_create(ssd_class, NULL, MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx), NULL, "c%s", dev->name);
-#elif (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,26))
- device_create(ssd_class, NULL, MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx), "c%s", dev->name);
-#elif (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,27))
- device_create_drvdata(ssd_class, NULL, MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx), NULL, "c%s", dev->name);
-#else
- device_create(ssd_class, NULL, MKDEV((dev_t)dev->cmajor, (dev_t)dev->idx), NULL, "c%s", dev->name);
-#endif
-
- return ret;
-}
-
-static int ssd_check_hw(struct ssd_device *dev)
-{
- uint32_t test_data = 0x55AA5AA5;
- uint32_t read_data;
-
- ssd_reg32_write(dev->ctrlp + SSD_BRIDGE_TEST_REG, test_data);
- read_data = ssd_reg32_read(dev->ctrlp + SSD_BRIDGE_TEST_REG);
- if (read_data != ~(test_data)) {
- //hio_warn("%s: check bridge error: %#x\n", dev->name, read_data);
- return -1;
- }
-
- return 0;
-}
-
-static int ssd_check_fw(struct ssd_device *dev)
-{
- uint32_t val = 0;
- int i;
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_1_3) {
- return 0;
- }
-
- for (i=0; i<SSD_CONTROLLER_WAIT; i++) {
- val = ssd_reg32_read(dev->ctrlp + SSD_HW_STATUS_REG);
- if ((val & 0x1) && ((val >> 8) & 0x1)) {
- break;
- }
-
- msleep(SSD_INIT_WAIT);
- }
-
- if (!(val & 0x1)) {
- /* controller fw status */
- hio_warn("%s: controller firmware load failed: %#x\n", dev->name, val);
- return -1;
- } else if (!((val >> 8) & 0x1)) {
- /* controller state */
- hio_warn("%s: controller state error: %#x\n", dev->name, val);
- return -1;
- }
-
- val = ssd_reg32_read(dev->ctrlp + SSD_RELOAD_FW_REG);
- if (val) {
- dev->reload_fw = 1;
- }
-
- return 0;
-}
-
-static int ssd_init_fw_info(struct ssd_device *dev)
-{
- uint32_t val;
- int ret = 0;
-
- val = ssd_reg32_read(dev->ctrlp + SSD_BRIDGE_VER_REG);
- dev->hw_info.bridge_ver = val & 0xFFF;
- if (dev->hw_info.bridge_ver < SSD_FW_MIN) {
- hio_warn("%s: bridge firmware version %03X is not supported\n", dev->name, dev->hw_info.bridge_ver);
- return -EINVAL;
- }
- hio_info("%s: bridge firmware version: %03X\n", dev->name, dev->hw_info.bridge_ver);
-
- ret = ssd_check_fw(dev);
- if (ret) {
- goto out;
- }
-
-out:
- /* skip error if not in standard mode */
- if (mode != SSD_DRV_MODE_STANDARD) {
- ret = 0;
- }
- return ret;
-}
-
-static int ssd_check_clock(struct ssd_device *dev)
-{
- uint32_t val;
- int ret = 0;
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_1_3) {
- return 0;
- }
-
- val = ssd_reg32_read(dev->ctrlp + SSD_HW_STATUS_REG);
-
- /* clock status */
- if (!((val >> 4 ) & 0x1)) {
- if (!test_and_set_bit(SSD_HWMON_CLOCK(SSD_CLOCK_166M_LOST), &dev->hwmon)) {
- hio_warn("%s: 166MHz clock losed: %#x\n", dev->name, val);
- ssd_gen_swlog(dev, SSD_LOG_CLK_FAULT, val);
- }
- ret = -1;
- }
-
- if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) {
- if (!((val >> 5 ) & 0x1)) {
- if (!test_and_set_bit(SSD_HWMON_CLOCK(SSD_CLOCK_166M_SKEW), &dev->hwmon)) {
- hio_warn("%s: 166MHz clock is skew: %#x\n", dev->name, val);
- ssd_gen_swlog(dev, SSD_LOG_CLK_FAULT, val);
- }
- ret = -1;
- }
- if (!((val >> 6 ) & 0x1)) {
- if (!test_and_set_bit(SSD_HWMON_CLOCK(SSD_CLOCK_156M_LOST), &dev->hwmon)) {
- hio_warn("%s: 156.25MHz clock lost: %#x\n", dev->name, val);
- ssd_gen_swlog(dev, SSD_LOG_CLK_FAULT, val);
- }
- ret = -1;
- }
- if (!((val >> 7 ) & 0x1)) {
- if (!test_and_set_bit(SSD_HWMON_CLOCK(SSD_CLOCK_156M_SKEW), &dev->hwmon)) {
- hio_warn("%s: 156.25MHz clock is skew: %#x\n", dev->name, val);
- ssd_gen_swlog(dev, SSD_LOG_CLK_FAULT, val);
- }
- ret = -1;
- }
- }
-
- return ret;
-}
-
-static int ssd_check_volt(struct ssd_device *dev)
-{
- int i = 0;
- uint64_t val;
- uint32_t adc_val;
- int ret =0;
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- return 0;
- }
-
- for (i=0; i<dev->hw_info.nr_ctrl; i++) {
- /* 1.0v */
- if (!test_bit(SSD_HWMON_FPGA(i, SSD_FPGA_1V0), &dev->hwmon)) {
- val = ssd_reg_read(dev->ctrlp + SSD_FPGA_1V0_REG0 + i * SSD_CTRL_REG_ZONE_SZ);
- adc_val = SSD_FPGA_VOLT_MAX(val);
- if (adc_val < SSD_FPGA_1V0_ADC_MIN || adc_val > SSD_FPGA_1V0_ADC_MAX) {
- (void)test_and_set_bit(SSD_HWMON_FPGA(i, SSD_FPGA_1V0), &dev->hwmon);
- hio_warn("%s: controller %d 1.0V fault: %d mV.\n", dev->name, i, SSD_FPGA_VOLT(adc_val));
- ssd_gen_swlog(dev, SSD_LOG_VOLT_FAULT, SSD_VOLT_LOG_DATA(SSD_FPGA_1V0, i, adc_val));
- ret = -1;
- }
-
- adc_val = SSD_FPGA_VOLT_MIN(val);
- if (adc_val < SSD_FPGA_1V0_ADC_MIN || adc_val > SSD_FPGA_1V0_ADC_MAX) {
- (void)test_and_set_bit(SSD_HWMON_FPGA(i, SSD_FPGA_1V0), &dev->hwmon);
- hio_warn("%s: controller %d 1.0V fault: %d mV.\n", dev->name, i, SSD_FPGA_VOLT(adc_val));
- ssd_gen_swlog(dev, SSD_LOG_VOLT_FAULT, SSD_VOLT_LOG_DATA(SSD_FPGA_1V0, i, adc_val));
- ret = -2;
- }
- }
-
- /* 1.8v */
- if (!test_bit(SSD_HWMON_FPGA(i, SSD_FPGA_1V8), &dev->hwmon)) {
- val = ssd_reg_read(dev->ctrlp + SSD_FPGA_1V8_REG0 + i * SSD_CTRL_REG_ZONE_SZ);
- adc_val = SSD_FPGA_VOLT_MAX(val);
- if (adc_val < SSD_FPGA_1V8_ADC_MIN || adc_val > SSD_FPGA_1V8_ADC_MAX) {
- (void)test_and_set_bit(SSD_HWMON_FPGA(i, SSD_FPGA_1V8), &dev->hwmon);
- hio_warn("%s: controller %d 1.8V fault: %d mV.\n", dev->name, i, SSD_FPGA_VOLT(adc_val));
- ssd_gen_swlog(dev, SSD_LOG_VOLT_FAULT, SSD_VOLT_LOG_DATA(SSD_FPGA_1V8, i, adc_val));
- ret = -3;
- }
-
- adc_val = SSD_FPGA_VOLT_MIN(val);
- if (adc_val < SSD_FPGA_1V8_ADC_MIN || adc_val > SSD_FPGA_1V8_ADC_MAX) {
- (void)test_and_set_bit(SSD_HWMON_FPGA(i, SSD_FPGA_1V8), &dev->hwmon);
- hio_warn("%s: controller %d 1.8V fault: %d mV.\n", dev->name, i, SSD_FPGA_VOLT(adc_val));
- ssd_gen_swlog(dev, SSD_LOG_VOLT_FAULT, SSD_VOLT_LOG_DATA(SSD_FPGA_1V8, i, adc_val));
- ret = -4;
- }
- }
- }
-
- return ret;
-}
-
-static int ssd_check_reset_sync(struct ssd_device *dev)
-{
- uint32_t val;
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_1_3) {
- return 0;
- }
-
- val = ssd_reg32_read(dev->ctrlp + SSD_HW_STATUS_REG);
- if (!((val >> 8) & 0x1)) {
- /* controller state */
- hio_warn("%s: controller state error: %#x\n", dev->name, val);
- return -1;
- }
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- return 0;
- }
-
- if (((val >> 9 ) & 0x1)) {
- hio_warn("%s: controller reset asynchronously: %#x\n", dev->name, val);
- ssd_gen_swlog(dev, SSD_LOG_CTRL_RST_SYNC, val);
- return -1;
- }
-
- return 0;
-}
-
-static int ssd_check_hw_bh(struct ssd_device *dev)
-{
- int ret;
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_1_3) {
- return 0;
- }
-
- /* clock status */
- ret = ssd_check_clock(dev);
- if (ret) {
- goto out;
- }
-
-out:
- /* skip error if not in standard mode */
- if (mode != SSD_DRV_MODE_STANDARD) {
- ret = 0;
- }
- return ret;
-}
-
-static int ssd_check_controller(struct ssd_device *dev)
-{
- int ret;
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_1_3) {
- return 0;
- }
-
- /* sync reset */
- ret = ssd_check_reset_sync(dev);
- if (ret) {
- goto out;
- }
-
-out:
- /* skip error if not in standard mode */
- if (mode != SSD_DRV_MODE_STANDARD) {
- ret = 0;
- }
- return ret;
-}
-
-static int ssd_check_controller_bh(struct ssd_device *dev)
-{
- uint32_t test_data = 0x55AA5AA5;
- uint32_t val;
- int reg_base, reg_sz;
- int init_wait = 0;
- int i;
- int ret = 0;
-
- if (mode != SSD_DRV_MODE_STANDARD) {
- return 0;
- }
-
- /* controller */
- val = ssd_reg32_read(dev->ctrlp + SSD_READY_REG);
- if (val & 0x1) {
- hio_warn("%s: controller 0 not ready\n", dev->name);
- return -1;
- }
-
- for (i=0; i<dev->hw_info.nr_ctrl; i++) {
- reg_base = SSD_CTRL_TEST_REG0 + i * SSD_CTRL_TEST_REG_SZ;
- ssd_reg32_write(dev->ctrlp + reg_base, test_data);
- val = ssd_reg32_read(dev->ctrlp + reg_base);
- if (val != ~(test_data)) {
- hio_warn("%s: check controller %d error: %#x\n", dev->name, i, val);
- return -1;
- }
- }
-
- /* clock */
- ret = ssd_check_volt(dev);
- if (ret) {
- return ret;
- }
-
- /* ddr */
- if (dev->protocol_info.ver > SSD_PROTOCOL_V3) {
- reg_base = SSD_PV3_RAM_STATUS_REG0;
- reg_sz = SSD_PV3_RAM_STATUS_REG_SZ;
-
- for (i=0; i<dev->hw_info.nr_ctrl; i++) {
-check_ram_status:
- val = ssd_reg32_read(dev->ctrlp + reg_base);
-
- if (!((val >> 1) & 0x1)) {
- init_wait++;
- if (init_wait <= SSD_RAM_INIT_MAX_WAIT) {
- msleep(SSD_INIT_WAIT);
- goto check_ram_status;
- } else {
- hio_warn("%s: controller %d ram init failed: %#x\n", dev->name, i, val);
- ssd_gen_swlog(dev, SSD_LOG_DDR_INIT_ERR, i);
- return -1;
- }
- }
-
- reg_base += reg_sz;
- }
- }
-
- /* ch info */
- for (i=0; i<SSD_CH_INFO_MAX_WAIT; i++) {
- val = ssd_reg32_read(dev->ctrlp + SSD_CH_INFO_REG);
- if (!((val >> 31) & 0x1)) {
- break;
- }
-
- msleep(SSD_INIT_WAIT);
- }
- if ((val >> 31) & 0x1) {
- hio_warn("%s: channel info init failed: %#x\n", dev->name, val);
- return -1;
- }
-
- return 0;
-}
-
-static int ssd_init_protocol_info(struct ssd_device *dev)
-{
- uint32_t val;
-
- val = ssd_reg32_read(dev->ctrlp + SSD_PROTOCOL_VER_REG);
- if (val == (uint32_t)-1) {
- hio_warn("%s: protocol version error: %#x\n", dev->name, val);
- return -EINVAL;
- }
- dev->protocol_info.ver = val;
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3) {
- dev->protocol_info.init_state_reg = SSD_INIT_STATE_REG0;
- dev->protocol_info.init_state_reg_sz = SSD_INIT_STATE_REG_SZ;
-
- dev->protocol_info.chip_info_reg = SSD_CHIP_INFO_REG0;
- dev->protocol_info.chip_info_reg_sz = SSD_CHIP_INFO_REG_SZ;
- } else {
- dev->protocol_info.init_state_reg = SSD_PV3_INIT_STATE_REG0;
- dev->protocol_info.init_state_reg_sz = SSD_PV3_INIT_STATE_REG_SZ;
-
- dev->protocol_info.chip_info_reg = SSD_PV3_CHIP_INFO_REG0;
- dev->protocol_info.chip_info_reg_sz = SSD_PV3_CHIP_INFO_REG_SZ;
- }
-
- return 0;
-}
-
-static int ssd_init_hw_info(struct ssd_device *dev)
-{
- uint64_t val64;
- uint32_t val;
- uint32_t nr_ctrl;
- int ret = 0;
-
- /* base info */
- val = ssd_reg32_read(dev->ctrlp + SSD_RESP_INFO_REG);
- dev->hw_info.resp_ptr_sz = 16 * (1U << (val & 0xFF));
- dev->hw_info.resp_msg_sz = 16 * (1U << ((val >> 8) & 0xFF));
-
- if (0 == dev->hw_info.resp_ptr_sz || 0 == dev->hw_info.resp_msg_sz) {
- hio_warn("%s: response info error\n", dev->name);
- ret = -EINVAL;
- goto out;
- }
-
- val = ssd_reg32_read(dev->ctrlp + SSD_BRIDGE_INFO_REG);
- dev->hw_info.cmd_fifo_sz = 1U << ((val >> 4) & 0xF);
- dev->hw_info.cmd_max_sg = 1U << ((val >> 8) & 0xF);
- dev->hw_info.sg_max_sec = 1U << ((val >> 12) & 0xF);
- dev->hw_info.cmd_fifo_sz_mask = dev->hw_info.cmd_fifo_sz - 1;
-
- if (0 == dev->hw_info.cmd_fifo_sz || 0 == dev->hw_info.cmd_max_sg || 0 == dev->hw_info.sg_max_sec) {
- hio_warn("%s: cmd info error\n", dev->name);
- ret = -EINVAL;
- goto out;
- }
-
- /* check hw */
- if (ssd_check_hw_bh(dev)) {
- hio_warn("%s: check hardware status failed\n", dev->name);
- ret = -EINVAL;
- goto out;
- }
-
- if (ssd_check_controller(dev)) {
- hio_warn("%s: check controller state failed\n", dev->name);
- ret = -EINVAL;
- goto out;
- }
-
- /* nr controller : read again*/
- val = ssd_reg32_read(dev->ctrlp + SSD_BRIDGE_INFO_REG);
- dev->hw_info.nr_ctrl = (val >> 16) & 0xF;
-
- /* nr ctrl configured */
- nr_ctrl = (val >> 20) & 0xF;
- if (0 == dev->hw_info.nr_ctrl) {
- hio_warn("%s: nr controller error: %u\n", dev->name, dev->hw_info.nr_ctrl);
- ret = -EINVAL;
- goto out;
- } else if (0 != nr_ctrl && nr_ctrl != dev->hw_info.nr_ctrl) {
- hio_warn("%s: nr controller error: configured %u but found %u\n", dev->name, nr_ctrl, dev->hw_info.nr_ctrl);
- if (mode <= SSD_DRV_MODE_STANDARD) {
- ret = -EINVAL;
- goto out;
- }
- }
-
- if (ssd_check_controller_bh(dev)) {
- hio_warn("%s: check controller failed\n", dev->name);
- ret = -EINVAL;
- goto out;
- }
-
- val = ssd_reg32_read(dev->ctrlp + SSD_PCB_VER_REG);
- dev->hw_info.pcb_ver = (uint8_t) ((val >> 4) & 0xF) + 'A' -1;
- if ((val & 0xF) != 0xF) {
- dev->hw_info.upper_pcb_ver = (uint8_t) (val & 0xF) + 'A' -1;
- }
-
- if (dev->hw_info.pcb_ver < 'A' || (0 != dev->hw_info.upper_pcb_ver && dev->hw_info.upper_pcb_ver < 'A')) {
- hio_warn("%s: PCB version error: %#x %#x\n", dev->name, dev->hw_info.pcb_ver, dev->hw_info.upper_pcb_ver);
- ret = -EINVAL;
- goto out;
- }
-
- /* channel info */
- if (mode <= SSD_DRV_MODE_DEBUG) {
- val = ssd_reg32_read(dev->ctrlp + SSD_CH_INFO_REG);
- dev->hw_info.nr_data_ch = val & 0xFF;
- dev->hw_info.nr_ch = dev->hw_info.nr_data_ch + ((val >> 8) & 0xFF);
- dev->hw_info.nr_chip = (val >> 16) & 0xFF;
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- dev->hw_info.max_ch = 1;
- while (dev->hw_info.max_ch < dev->hw_info.nr_ch) dev->hw_info.max_ch <<= 1;
- } else {
- /* set max channel 32 */
- dev->hw_info.max_ch = 32;
- }
-
- if (0 == dev->hw_info.nr_chip) {
- //for debug mode
- dev->hw_info.nr_chip = 1;
- }
-
- //xx
- dev->hw_info.id_size = SSD_NAND_ID_SZ;
- dev->hw_info.max_ce = SSD_NAND_MAX_CE;
-
- if (0 == dev->hw_info.nr_data_ch || 0 == dev->hw_info.nr_ch || 0 == dev->hw_info.nr_chip) {
- hio_warn("%s: channel info error: data_ch %u ch %u chip %u\n", dev->name, dev->hw_info.nr_data_ch, dev->hw_info.nr_ch, dev->hw_info.nr_chip);
- ret = -EINVAL;
- goto out;
- }
- }
-
- /* ram info */
- if (mode <= SSD_DRV_MODE_DEBUG) {
- val = ssd_reg32_read(dev->ctrlp + SSD_RAM_INFO_REG);
- dev->hw_info.ram_size = 0x4000000ull * (1ULL << (val & 0xF));
- dev->hw_info.ram_align = 1U << ((val >> 12) & 0xF);
- if (dev->hw_info.ram_align < SSD_RAM_ALIGN) {
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3) {
- dev->hw_info.ram_align = SSD_RAM_ALIGN;
- } else {
- hio_warn("%s: ram align error: %u\n", dev->name, dev->hw_info.ram_align);
- ret = -EINVAL;
- goto out;
- }
- }
- dev->hw_info.ram_max_len = 0x1000 * (1U << ((val >> 16) & 0xF));
-
- if (0 == dev->hw_info.ram_size || 0 == dev->hw_info.ram_align || 0 == dev->hw_info.ram_max_len || dev->hw_info.ram_align > dev->hw_info.ram_max_len) {
- hio_warn("%s: ram info error\n", dev->name);
- ret = -EINVAL;
- goto out;
- }
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3) {
- dev->hw_info.log_sz = SSD_LOG_MAX_SZ;
- } else {
- val = ssd_reg32_read(dev->ctrlp + SSD_LOG_INFO_REG);
- dev->hw_info.log_sz = 0x1000 * (1U << (val & 0xFF));
- }
- if (0 == dev->hw_info.log_sz) {
- hio_warn("%s: log size error\n", dev->name);
- ret = -EINVAL;
- goto out;
- }
-
- val = ssd_reg32_read(dev->ctrlp + SSD_BBT_BASE_REG);
- dev->hw_info.bbt_base = 0x40000ull * (val & 0xFFFF);
- dev->hw_info.bbt_size = 0x40000 * (((val >> 16) & 0xFFFF) + 1) / (dev->hw_info.max_ch * dev->hw_info.nr_chip);
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3) {
- if (dev->hw_info.bbt_base > dev->hw_info.ram_size || 0 == dev->hw_info.bbt_size) {
- hio_warn("%s: bbt info error\n", dev->name);
- ret = -EINVAL;
- goto out;
- }
- }
-
- val = ssd_reg32_read(dev->ctrlp + SSD_ECT_BASE_REG);
- dev->hw_info.md_base = 0x40000ull * (val & 0xFFFF);
- if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) {
- dev->hw_info.md_size = 0x40000 * (((val >> 16) & 0xFFF) + 1) / (dev->hw_info.max_ch * dev->hw_info.nr_chip);
- } else {
- dev->hw_info.md_size = 0x40000 * (((val >> 16) & 0xFFF) + 1) / (dev->hw_info.nr_chip);
- }
- dev->hw_info.md_entry_sz = 8 * (1U << ((val >> 28) & 0xF));
- if (dev->protocol_info.ver >= SSD_PROTOCOL_V3) {
- if (dev->hw_info.md_base > dev->hw_info.ram_size || 0 == dev->hw_info.md_size ||
- 0 == dev->hw_info.md_entry_sz || dev->hw_info.md_entry_sz > dev->hw_info.md_size) {
- hio_warn("%s: md info error\n", dev->name);
- ret = -EINVAL;
- goto out;
- }
- }
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3) {
- dev->hw_info.nand_wbuff_base = dev->hw_info.ram_size + 1;
- } else {
- val = ssd_reg32_read(dev->ctrlp + SSD_NAND_BUFF_BASE);
- dev->hw_info.nand_wbuff_base = 0x8000ull * val;
- }
- }
-
- /* flash info */
- if (mode <= SSD_DRV_MODE_DEBUG) {
- if (dev->hw_info.nr_ctrl > 1) {
- val = ssd_reg32_read(dev->ctrlp + SSD_CTRL_VER_REG);
- dev->hw_info.ctrl_ver = val & 0xFFF;
- hio_info("%s: controller firmware version: %03X\n", dev->name, dev->hw_info.ctrl_ver);
- }
-
- val64 = ssd_reg_read(dev->ctrlp + SSD_FLASH_INFO_REG0);
- dev->hw_info.nand_vendor_id = ((val64 >> 56) & 0xFF);
- dev->hw_info.nand_dev_id = ((val64 >> 48) & 0xFF);
-
- dev->hw_info.block_count = (((val64 >> 32) & 0xFFFF) + 1);
- dev->hw_info.page_count = ((val64>>16) & 0xFFFF);
- dev->hw_info.page_size = (val64 & 0xFFFF);
-
- val = ssd_reg32_read(dev->ctrlp + SSD_BB_INFO_REG);
- dev->hw_info.bbf_pages = val & 0xFF;
- dev->hw_info.bbf_seek = (val >> 8) & 0x1;
-
- if (0 == dev->hw_info.block_count || 0 == dev->hw_info.page_count || 0 == dev->hw_info.page_size || dev->hw_info.block_count > INT_MAX) {
- hio_warn("%s: flash info error\n", dev->name);
- ret = -EINVAL;
- goto out;
- }
-
- //xx
- dev->hw_info.oob_size = SSD_NAND_OOB_SZ; //(dev->hw_info.page_size) >> 5;
-
- val = ssd_reg32_read(dev->ctrlp + SSD_VALID_PAGES_REG);
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- dev->hw_info.valid_pages = val & 0x3FF;
- dev->hw_info.max_valid_pages = (val>>20) & 0x3FF;
- } else {
- dev->hw_info.valid_pages = val & 0x7FFF;
- dev->hw_info.max_valid_pages = (val>>15) & 0x7FFF;
- }
- if (0 == dev->hw_info.valid_pages || 0 == dev->hw_info.max_valid_pages ||
- dev->hw_info.valid_pages > dev->hw_info.max_valid_pages || dev->hw_info.max_valid_pages > dev->hw_info.page_count) {
- hio_warn("%s: valid page info error: valid_pages %d, max_valid_pages %d\n", dev->name, dev->hw_info.valid_pages, dev->hw_info.max_valid_pages);
- ret = -EINVAL;
- goto out;
- }
-
- val = ssd_reg32_read(dev->ctrlp + SSD_RESERVED_BLKS_REG);
- dev->hw_info.reserved_blks = val & 0xFFFF;
- dev->hw_info.md_reserved_blks = (val >> 16) & 0xFF;
- if (dev->protocol_info.ver <= SSD_PROTOCOL_V3) {
- dev->hw_info.md_reserved_blks = SSD_BBT_RESERVED;
- }
- if (dev->hw_info.reserved_blks > dev->hw_info.block_count || dev->hw_info.md_reserved_blks > dev->hw_info.block_count) {
- hio_warn("%s: reserved blocks info error: reserved_blks %d, md_reserved_blks %d\n", dev->name, dev->hw_info.reserved_blks, dev->hw_info.md_reserved_blks);
- ret = -EINVAL;
- goto out;
- }
- }
-
- /* size */
- if (mode < SSD_DRV_MODE_DEBUG) {
- dev->hw_info.size = (uint64_t)dev->hw_info.valid_pages * dev->hw_info.page_size;
- dev->hw_info.size *= (dev->hw_info.block_count - dev->hw_info.reserved_blks);
- dev->hw_info.size *= ((uint64_t)dev->hw_info.nr_data_ch * (uint64_t)dev->hw_info.nr_chip * (uint64_t)dev->hw_info.nr_ctrl);
- }
-
- /* extend hardware info */
- val = ssd_reg32_read(dev->ctrlp + SSD_PCB_VER_REG);
- dev->hw_info_ext.board_type = (val >> 24) & 0xF;
-
- dev->hw_info_ext.form_factor = SSD_FORM_FACTOR_FHHL;
- if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2_1) {
- dev->hw_info_ext.form_factor = (val >> 31) & 0x1;
- }
- /*
- dev->hw_info_ext.cap_type = (val >> 28) & 0x3;
- if (SSD_BM_CAP_VINA != dev->hw_info_ext.cap_type && SSD_BM_CAP_JH != dev->hw_info_ext.cap_type) {
- dev->hw_info_ext.cap_type = SSD_BM_CAP_VINA;
- }*/
-
- /* power loss protect */
- val = ssd_reg32_read(dev->ctrlp + SSD_PLP_INFO_REG);
- dev->hw_info_ext.plp_type = (val & 0x3);
- if (dev->protocol_info.ver >= SSD_PROTOCOL_V3_2) {
- /* 3 or 4 cap */
- dev->hw_info_ext.cap_type = ((val >> 2)& 0x1);
- }
-
- /* work mode */
- val = ssd_reg32_read(dev->ctrlp + SSD_CH_INFO_REG);
- dev->hw_info_ext.work_mode = (val >> 25) & 0x1;
-
-out:
- /* skip error if not in standard mode */
- if (mode != SSD_DRV_MODE_STANDARD) {
- ret = 0;
- }
- return ret;
-}
-
-static void ssd_cleanup_response(struct ssd_device *dev)
-{
- int resp_msg_sz = dev->hw_info.resp_msg_sz * dev->hw_info.cmd_fifo_sz * SSD_MSIX_VEC;
- int resp_ptr_sz = dev->hw_info.resp_ptr_sz * SSD_MSIX_VEC;
-
- pci_free_consistent(dev->pdev, resp_ptr_sz, dev->resp_ptr_base, dev->resp_ptr_base_dma);
- pci_free_consistent(dev->pdev, resp_msg_sz, dev->resp_msg_base, dev->resp_msg_base_dma);
-}
-
-static int ssd_init_response(struct ssd_device *dev)
-{
- int resp_msg_sz = dev->hw_info.resp_msg_sz * dev->hw_info.cmd_fifo_sz * SSD_MSIX_VEC;
- int resp_ptr_sz = dev->hw_info.resp_ptr_sz * SSD_MSIX_VEC;
-
- dev->resp_msg_base = pci_alloc_consistent(dev->pdev, resp_msg_sz, &(dev->resp_msg_base_dma));
- if (!dev->resp_msg_base) {
- hio_warn("%s: unable to allocate resp msg DMA buffer\n", dev->name);
- goto out_alloc_resp_msg;
- }
- memset(dev->resp_msg_base, 0xFF, resp_msg_sz);
-
- dev->resp_ptr_base = pci_alloc_consistent(dev->pdev, resp_ptr_sz, &(dev->resp_ptr_base_dma));
- if (!dev->resp_ptr_base){
- hio_warn("%s: unable to allocate resp ptr DMA buffer\n", dev->name);
- goto out_alloc_resp_ptr;
- }
- memset(dev->resp_ptr_base, 0, resp_ptr_sz);
- dev->resp_idx = *(uint32_t *)(dev->resp_ptr_base) = dev->hw_info.cmd_fifo_sz * 2 - 1;
-
- ssd_reg_write(dev->ctrlp + SSD_RESP_FIFO_REG, dev->resp_msg_base_dma);
- ssd_reg_write(dev->ctrlp + SSD_RESP_PTR_REG, dev->resp_ptr_base_dma);
-
- return 0;
-
-out_alloc_resp_ptr:
- pci_free_consistent(dev->pdev, resp_msg_sz, dev->resp_msg_base, dev->resp_msg_base_dma);
-out_alloc_resp_msg:
- return -ENOMEM;
-}
-
-static int ssd_cleanup_cmd(struct ssd_device *dev)
-{
- int msg_sz = ALIGN(sizeof(struct ssd_rw_msg) + (dev->hw_info.cmd_max_sg - 1) * sizeof(struct ssd_sg_entry), SSD_DMA_ALIGN);
- int i;
-
- for (i=0; i<(int)dev->hw_info.cmd_fifo_sz; i++) {
- kfree(dev->cmd[i].sgl);
- }
- kfree(dev->cmd);
- pci_free_consistent(dev->pdev, (msg_sz * dev->hw_info.cmd_fifo_sz), dev->msg_base, dev->msg_base_dma);
- return 0;
-}
-
-static int ssd_init_cmd(struct ssd_device *dev)
-{
- int sgl_sz = sizeof(struct scatterlist) * dev->hw_info.cmd_max_sg;
- int cmd_sz = sizeof(struct ssd_cmd) * dev->hw_info.cmd_fifo_sz;
- int msg_sz = ALIGN(sizeof(struct ssd_rw_msg) + (dev->hw_info.cmd_max_sg - 1) * sizeof(struct ssd_sg_entry), SSD_DMA_ALIGN);
- int i;
-
- spin_lock_init(&dev->cmd_lock);
-
- dev->msg_base = pci_alloc_consistent(dev->pdev, (msg_sz * dev->hw_info.cmd_fifo_sz), &dev->msg_base_dma);
- if (!dev->msg_base) {
- hio_warn("%s: can not alloc cmd msg\n", dev->name);
- goto out_alloc_msg;
- }
-
- dev->cmd = kmalloc(cmd_sz, GFP_KERNEL);
- if (!dev->cmd) {
- hio_warn("%s: can not alloc cmd\n", dev->name);
- goto out_alloc_cmd;
- }
- memset(dev->cmd, 0, cmd_sz);
-
- for (i=0; i<(int)dev->hw_info.cmd_fifo_sz; i++) {
- dev->cmd[i].sgl = kmalloc(sgl_sz, GFP_KERNEL);
- if (!dev->cmd[i].sgl) {
- hio_warn("%s: can not alloc cmd sgl %d\n", dev->name, i);
- goto out_alloc_sgl;
- }
-
- dev->cmd[i].msg = dev->msg_base + (msg_sz * i);
- dev->cmd[i].msg_dma = dev->msg_base_dma + ((dma_addr_t)msg_sz * i);
-
- dev->cmd[i].dev = dev;
- dev->cmd[i].tag = i;
- dev->cmd[i].flag = 0;
-
- INIT_LIST_HEAD(&dev->cmd[i].list);
- }
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3) {
- dev->scmd = ssd_dispatch_cmd;
- } else {
- ssd_reg_write(dev->ctrlp + SSD_MSG_BASE_REG, dev->msg_base_dma);
- if (finject) {
- dev->scmd = ssd_send_cmd_db;
- } else {
- dev->scmd = ssd_send_cmd;
- }
- }
-
- return 0;
-
-out_alloc_sgl:
- for (i--; i>=0; i--) {
- kfree(dev->cmd[i].sgl);
- }
- kfree(dev->cmd);
-out_alloc_cmd:
- pci_free_consistent(dev->pdev, (msg_sz * dev->hw_info.cmd_fifo_sz), dev->msg_base, dev->msg_base_dma);
-out_alloc_msg:
- return -ENOMEM;
-}
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,30))
-static irqreturn_t ssd_interrupt_check(int irq, void *dev_id)
-{
- struct ssd_queue *queue = (struct ssd_queue *)dev_id;
-
- if (*(uint32_t *)queue->resp_ptr == queue->resp_idx) {
- return IRQ_NONE;
- }
-
- return IRQ_WAKE_THREAD;
-}
-
-static irqreturn_t ssd_interrupt_threaded(int irq, void *dev_id)
-{
- struct ssd_queue *queue = (struct ssd_queue *)dev_id;
- struct ssd_device *dev = (struct ssd_device *)queue->dev;
- struct ssd_cmd *cmd;
- union ssd_response_msq __msg;
- union ssd_response_msq *msg = &__msg;
- uint64_t *u64_msg;
- uint32_t resp_idx = queue->resp_idx;
- uint32_t new_resp_idx = *(uint32_t *)queue->resp_ptr;
- uint32_t end_resp_idx;
-
- if (unlikely(resp_idx == new_resp_idx)) {
- return IRQ_NONE;
- }
-
- end_resp_idx = new_resp_idx & queue->resp_idx_mask;
-
- do {
- resp_idx = (resp_idx + 1) & queue->resp_idx_mask;
-
- /* the resp msg */
- u64_msg = (uint64_t *)(queue->resp_msg + queue->resp_msg_sz * resp_idx);
- msg->u64_msg = *u64_msg;
-
- if (unlikely(msg->u64_msg == (uint64_t)(-1))) {
- hio_err("%s: empty resp msg: queue %d idx %u\n", dev->name, queue->idx, resp_idx);
- continue;
- }
- /* clear the resp msg */
- *u64_msg = (uint64_t)(-1);
-
- cmd = &queue->cmd[msg->resp_msg.tag];
- /*if (unlikely(!cmd->bio)) {
- printk(KERN_WARNING "%s: unknown tag %d fun %#x\n",
- dev->name, msg->resp_msg.tag, msg->resp_msg.fun);
- continue;
- }*/
-
- if(unlikely(msg->resp_msg.status & (uint32_t)status_mask)) {
- cmd->errors = -EIO;
- } else {
- cmd->errors = 0;
- }
- cmd->nr_log = msg->log_resp_msg.nr_log;
-
- ssd_done(cmd);
-
- if (unlikely(msg->resp_msg.fun != SSD_FUNC_READ_LOG && msg->resp_msg.log > 0)) {
- (void)test_and_set_bit(SSD_LOG_HW, &dev->state);
- if (test_bit(SSD_INIT_WORKQ, &dev->state)) {
- queue_work(dev->workq, &dev->log_work);
- }
- }
-
- if (unlikely(msg->resp_msg.status)) {
- if (msg->resp_msg.fun == SSD_FUNC_READ || msg->resp_msg.fun == SSD_FUNC_WRITE) {
- hio_err("%s: I/O error %d: tag %d fun %#x\n",
- dev->name, msg->resp_msg.status, msg->resp_msg.tag, msg->resp_msg.fun);
-
- /* alarm led */
- ssd_set_alarm(dev);
- queue->io_stat.nr_rwerr++;
- ssd_gen_swlog(dev, SSD_LOG_EIO, msg->u32_msg[0]);
- } else {
- hio_info("%s: CMD error %d: tag %d fun %#x\n",
- dev->name, msg->resp_msg.status, msg->resp_msg.tag, msg->resp_msg.fun);
-
- ssd_gen_swlog(dev, SSD_LOG_ECMD, msg->u32_msg[0]);
- }
- queue->io_stat.nr_ioerr++;
- }
-
- if (msg->resp_msg.fun == SSD_FUNC_READ ||
- msg->resp_msg.fun == SSD_FUNC_NAND_READ_WOOB ||
- msg->resp_msg.fun == SSD_FUNC_NAND_READ) {
-
- queue->ecc_info.bitflip[msg->resp_msg.bitflip]++;
- }
- }while (resp_idx != end_resp_idx);
-
- queue->resp_idx = new_resp_idx;
-
- return IRQ_HANDLED;
-}
-#endif
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
-static irqreturn_t ssd_interrupt(int irq, void *dev_id, struct pt_regs *regs)
-#else
-static irqreturn_t ssd_interrupt(int irq, void *dev_id)
-#endif
-{
- struct ssd_queue *queue = (struct ssd_queue *)dev_id;
- struct ssd_device *dev = (struct ssd_device *)queue->dev;
- struct ssd_cmd *cmd;
- union ssd_response_msq __msg;
- union ssd_response_msq *msg = &__msg;
- uint64_t *u64_msg;
- uint32_t resp_idx = queue->resp_idx;
- uint32_t new_resp_idx = *(uint32_t *)queue->resp_ptr;
- uint32_t end_resp_idx;
-
- if (unlikely(resp_idx == new_resp_idx)) {
- return IRQ_NONE;
- }
-
-#if (defined SSD_ESCAPE_IRQ)
- if (SSD_INT_MSIX != dev->int_mode) {
- dev->irq_cpu = smp_processor_id();
- }
-#endif
-
- end_resp_idx = new_resp_idx & queue->resp_idx_mask;
-
- do {
- resp_idx = (resp_idx + 1) & queue->resp_idx_mask;
-
- /* the resp msg */
- u64_msg = (uint64_t *)(queue->resp_msg + queue->resp_msg_sz * resp_idx);
- msg->u64_msg = *u64_msg;
-
- if (unlikely(msg->u64_msg == (uint64_t)(-1))) {
- hio_err("%s: empty resp msg: queue %d idx %u\n", dev->name, queue->idx, resp_idx);
- continue;
- }
- /* clear the resp msg */
- *u64_msg = (uint64_t)(-1);
-
- cmd = &queue->cmd[msg->resp_msg.tag];
- /*if (unlikely(!cmd->bio)) {
- printk(KERN_WARNING "%s: unknown tag %d fun %#x\n",
- dev->name, msg->resp_msg.tag, msg->resp_msg.fun);
- continue;
- }*/
-
- if(unlikely(msg->resp_msg.status & (uint32_t)status_mask)) {
- cmd->errors = -EIO;
- } else {
- cmd->errors = 0;
- }
- cmd->nr_log = msg->log_resp_msg.nr_log;
-
- ssd_done_bh(cmd);
-
- if (unlikely(msg->resp_msg.fun != SSD_FUNC_READ_LOG && msg->resp_msg.log > 0)) {
- (void)test_and_set_bit(SSD_LOG_HW, &dev->state);
- if (test_bit(SSD_INIT_WORKQ, &dev->state)) {
- queue_work(dev->workq, &dev->log_work);
- }
- }
-
- if (unlikely(msg->resp_msg.status)) {
- if (msg->resp_msg.fun == SSD_FUNC_READ || msg->resp_msg.fun == SSD_FUNC_WRITE) {
- hio_err("%s: I/O error %d: tag %d fun %#x\n",
- dev->name, msg->resp_msg.status, msg->resp_msg.tag, msg->resp_msg.fun);
-
- /* alarm led */
- ssd_set_alarm(dev);
- queue->io_stat.nr_rwerr++;
- ssd_gen_swlog(dev, SSD_LOG_EIO, msg->u32_msg[0]);
- } else {
- hio_info("%s: CMD error %d: tag %d fun %#x\n",
- dev->name, msg->resp_msg.status, msg->resp_msg.tag, msg->resp_msg.fun);
-
- ssd_gen_swlog(dev, SSD_LOG_ECMD, msg->u32_msg[0]);
- }
- queue->io_stat.nr_ioerr++;
- }
-
- if (msg->resp_msg.fun == SSD_FUNC_READ ||
- msg->resp_msg.fun == SSD_FUNC_NAND_READ_WOOB ||
- msg->resp_msg.fun == SSD_FUNC_NAND_READ) {
-
- queue->ecc_info.bitflip[msg->resp_msg.bitflip]++;
- }
- }while (resp_idx != end_resp_idx);
-
- queue->resp_idx = new_resp_idx;
-
- return IRQ_HANDLED;
-}
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
-static irqreturn_t ssd_interrupt_legacy(int irq, void *dev_id, struct pt_regs *regs)
-#else
-static irqreturn_t ssd_interrupt_legacy(int irq, void *dev_id)
-#endif
-{
- irqreturn_t ret;
- struct ssd_queue *queue = (struct ssd_queue *)dev_id;
- struct ssd_device *dev = (struct ssd_device *)queue->dev;
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
- ret = ssd_interrupt(irq, dev_id, regs);
-#else
- ret = ssd_interrupt(irq, dev_id);
-#endif
-
- /* clear intr */
- if (IRQ_HANDLED == ret) {
- ssd_reg32_write(dev->ctrlp + SSD_CLEAR_INTR_REG, 1);
- }
-
- return ret;
-}
-
-static void ssd_reset_resp_ptr(struct ssd_device *dev)
-{
- int i;
-
- for (i=0; i<dev->nr_queue; i++) {
- *(uint32_t *)dev->queue[i].resp_ptr = dev->queue[i].resp_idx = (dev->hw_info.cmd_fifo_sz * 2) - 1;
- }
-}
-
-static void ssd_free_irq(struct ssd_device *dev)
-{
- int i;
-
-#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) || (defined RHEL_MAJOR && RHEL_MAJOR == 6)) && (LINUX_VERSION_CODE < KERNEL_VERSION(4,10,0))
- if (SSD_INT_MSIX == dev->int_mode) {
- for (i=0; i<dev->nr_queue; i++) {
- irq_set_affinity_hint(dev->entry[i].vector, NULL);
- }
- }
-#endif
-
- for (i=0; i<dev->nr_queue; i++) {
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,10,0))
- free_irq(dev->entry[i].vector, &dev->queue[i]);
-#else
- free_irq(pci_irq_vector(dev->pdev, i), &dev->queue[i]);
-#endif
- }
-
- if (SSD_INT_MSIX == dev->int_mode) {
- pci_disable_msix(dev->pdev);
- } else if (SSD_INT_MSI == dev->int_mode) {
- pci_disable_msi(dev->pdev);
- }
-
-}
-
-static int ssd_init_irq(struct ssd_device *dev)
-{
-#if (!defined MODULE) && (defined SSD_MSIX_AFFINITY_FORCE) && (LINUX_VERSION_CODE < KERNEL_VERSION(4,10,0))
- const struct cpumask *cpu_mask = NULL;
- static int cpu_affinity = 0;
-#endif
-#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) || (defined RHEL_MAJOR && RHEL_MAJOR == 6)) && (LINUX_VERSION_CODE < KERNEL_VERSION(4,10,0))
- const struct cpumask *mask = NULL;
- static int cpu = 0;
- int j;
-#endif
- int i;
- unsigned long flags = 0;
- int ret = 0;
-
- ssd_reg32_write(dev->ctrlp + SSD_INTR_INTERVAL_REG, 0x800);
-
-#ifdef SSD_ESCAPE_IRQ
- dev->irq_cpu = -1;
-#endif
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,10,0))
- if (int_mode >= SSD_INT_MSIX && pci_find_capability(dev->pdev, PCI_CAP_ID_MSIX)) {
- dev->nr_queue = SSD_MSIX_VEC;
-
- for (i=0; i<dev->nr_queue; i++) {
- dev->entry[i].entry = i;
- }
- for (;;) {
- ret = pci_enable_msix(dev->pdev, dev->entry, dev->nr_queue);
- if (ret == 0) {
- break;
- } else if (ret > 0) {
- dev->nr_queue = ret;
- } else {
- hio_warn("%s: can not enable msix\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out;
- }
- }
-
-#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) || (defined RHEL_MAJOR && RHEL_MAJOR == 6))
- mask = (dev_to_node(&dev->pdev->dev) == -1) ? cpu_online_mask : cpumask_of_node(dev_to_node(&dev->pdev->dev));
- if ((0 == cpu) || (!cpumask_intersects(mask, cpumask_of(cpu)))) {
- cpu = cpumask_first(mask);
- }
- for (i=0; i<dev->nr_queue; i++) {
- irq_set_affinity_hint(dev->entry[i].vector, cpumask_of(cpu));
- cpu = cpumask_next(cpu, mask);
- if (cpu >= nr_cpu_ids) {
- cpu = cpumask_first(mask);
- }
- }
-#endif
-
- dev->int_mode = SSD_INT_MSIX;
- } else if (int_mode >= SSD_INT_MSI && pci_find_capability(dev->pdev, PCI_CAP_ID_MSI)) {
- ret = pci_enable_msi(dev->pdev);
- if (ret) {
- hio_warn("%s: can not enable msi\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out;
- }
-
- dev->nr_queue = 1;
- dev->entry[0].vector = dev->pdev->irq;
-
- dev->int_mode = SSD_INT_MSI;
- } else {
- dev->nr_queue = 1;
- dev->entry[0].vector = dev->pdev->irq;
-
- dev->int_mode = SSD_INT_LEGACY;
- }
-#else
- if (int_mode >= SSD_INT_MSIX && pci_find_capability(dev->pdev, PCI_CAP_ID_MSIX)) {
- dev->nr_queue = SSD_MSIX_VEC;
-
- dev->nr_queue = pci_alloc_irq_vectors(dev->pdev, 1, dev->nr_queue, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY);
- if (dev->nr_queue <= 0) {
- ret = -EIO;
- hio_warn("%s: can not enable msix\n", dev->name);
- ssd_set_alarm(dev);
- goto out;
- }
-
- dev->int_mode = SSD_INT_MSIX;
- } else if (int_mode >= SSD_INT_MSI && pci_find_capability(dev->pdev, PCI_CAP_ID_MSI)) {
-
- ret = pci_alloc_irq_vectors(dev->pdev, 1, 1, PCI_IRQ_MSI | PCI_IRQ_AFFINITY);
- if (ret <= 0) {
- ret = -EIO;
- hio_warn("%s: can not enable msi\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out;
- }
- dev->nr_queue = 1;
-
- dev->int_mode = SSD_INT_MSI;
- } else {
- ret = pci_alloc_irq_vectors(dev->pdev, 1, 1, PCI_IRQ_LEGACY);
-
- if (ret <= 0) {
- ret = -EIO;
- hio_warn("%s: can not enable msi\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out;
- }
- dev->nr_queue = 1;
-
- dev->int_mode = SSD_INT_LEGACY;
- }
-#endif
-
- for (i=0; i<dev->nr_queue; i++) {
- if (dev->nr_queue > 1) {
- snprintf(dev->queue[i].name, SSD_QUEUE_NAME_LEN, "%s_e100-%d", dev->name, i);
- } else {
- snprintf(dev->queue[i].name, SSD_QUEUE_NAME_LEN, "%s_e100", dev->name);
- }
-
- dev->queue[i].dev = dev;
- dev->queue[i].idx = i;
-
- dev->queue[i].resp_idx = (dev->hw_info.cmd_fifo_sz * 2) - 1;
- dev->queue[i].resp_idx_mask = dev->hw_info.cmd_fifo_sz - 1;
-
- dev->queue[i].resp_msg_sz = dev->hw_info.resp_msg_sz;
- dev->queue[i].resp_msg = dev->resp_msg_base + dev->hw_info.resp_msg_sz * dev->hw_info.cmd_fifo_sz * i;
- dev->queue[i].resp_ptr = dev->resp_ptr_base + dev->hw_info.resp_ptr_sz * i;
- *(uint32_t *)dev->queue[i].resp_ptr = dev->queue[i].resp_idx;
-
- dev->queue[i].cmd = dev->cmd;
- }
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
- flags = IRQF_SHARED;
-#else
- flags = SA_SHIRQ;
-#endif
-
- for (i=0; i<dev->nr_queue; i++) {
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30))
- if (dev->int_mode == SSD_INT_LEGACY) {
- ret = request_irq(dev->entry[i].vector, &ssd_interrupt_legacy, flags, dev->queue[i].name, &dev->queue[i]);
- } else {
- ret = request_irq(dev->entry[i].vector, &ssd_interrupt, flags, dev->queue[i].name, &dev->queue[i]);
- }
-#elif (LINUX_VERSION_CODE < KERNEL_VERSION(4,10,0))
- if (threaded_irq) {
- ret = request_threaded_irq(dev->entry[i].vector, ssd_interrupt_check, ssd_interrupt_threaded, flags, dev->queue[i].name, &dev->queue[i]);
- } else if (dev->int_mode == SSD_INT_LEGACY) {
- ret = request_irq(dev->entry[i].vector, &ssd_interrupt_legacy, flags, dev->queue[i].name, &dev->queue[i]);
- } else {
- ret = request_irq(dev->entry[i].vector, &ssd_interrupt, flags, dev->queue[i].name, &dev->queue[i]);
- }
-#else
- if (threaded_irq) {
- ret = request_threaded_irq(pci_irq_vector(dev->pdev, i), ssd_interrupt_check, ssd_interrupt_threaded, flags, dev->queue[i].name, &dev->queue[i]);
- } else if (dev->int_mode == SSD_INT_LEGACY) {
- ret = request_irq(pci_irq_vector(dev->pdev, i), &ssd_interrupt_legacy, flags, dev->queue[i].name, &dev->queue[i]);
- } else {
- ret = request_irq(pci_irq_vector(dev->pdev, i), &ssd_interrupt, flags, dev->queue[i].name, &dev->queue[i]);
- }
-#endif
- if (ret) {
- hio_warn("%s: request irq failed\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out_request_irq;
- }
-
-#if (!defined MODULE) && (defined SSD_MSIX_AFFINITY_FORCE) && (LINUX_VERSION_CODE < KERNEL_VERSION(4,10,0))
- cpu_mask = (dev_to_node(&dev->pdev->dev) == -1) ? cpu_online_mask : cpumask_of_node(dev_to_node(&dev->pdev->dev));
- if (SSD_INT_MSIX == dev->int_mode) {
- if ((0 == cpu_affinity) || (!cpumask_intersects(mask, cpumask_of(cpu_affinity)))) {
- cpu_affinity = cpumask_first(cpu_mask);
- }
-
- irq_set_affinity(dev->entry[i].vector, cpumask_of(cpu_affinity));
- cpu_affinity = cpumask_next(cpu_affinity, cpu_mask);
- if (cpu_affinity >= nr_cpu_ids) {
- cpu_affinity = cpumask_first(cpu_mask);
- }
- }
-#endif
- }
-
- return ret;
-
-out_request_irq:
-#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) || (defined RHEL_MAJOR && RHEL_MAJOR == 6)) && (LINUX_VERSION_CODE < KERNEL_VERSION(4,10,0))
- if (SSD_INT_MSIX == dev->int_mode) {
- for (j=0; j<dev->nr_queue; j++) {
- irq_set_affinity_hint(dev->entry[j].vector, NULL);
- }
- }
-#endif
-
- for (i--; i>=0; i--) {
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,10,0))
- free_irq(dev->entry[i].vector, &dev->queue[i]);
-#else
- free_irq(pci_irq_vector(dev->pdev, i), &dev->queue[i]);
-#endif
- }
-
- if (SSD_INT_MSIX == dev->int_mode) {
- pci_disable_msix(dev->pdev);
- } else if (SSD_INT_MSI == dev->int_mode) {
- pci_disable_msi(dev->pdev);
- }
-
-out:
- return ret;
-}
-
-static void ssd_initial_log(struct ssd_device *dev)
-{
- uint32_t val;
- uint32_t speed, width;
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- return;
- }
-
- val = ssd_reg32_read(dev->ctrlp + SSD_POWER_ON_REG);
- if (val) {
- // Poweron detection switched to SSD_INTR_INTERVAL_REG in 'ssd_init_smart'
- //ssd_gen_swlog(dev, SSD_LOG_POWER_ON, dev->hw_info.bridge_ver);
- }
-
- val = ssd_reg32_read(dev->ctrlp + SSD_PCIE_LINKSTATUS_REG);
- speed = val & 0xF;
- width = (val >> 4)& 0x3F;
- if (0x1 == speed) {
- hio_info("%s: PCIe: 2.5GT/s, x%u\n", dev->name, width);
- } else if (0x2 == speed) {
- hio_info("%s: PCIe: 5GT/s, x%u\n", dev->name, width);
- } else {
- hio_info("%s: PCIe: unknown GT/s, x%u\n", dev->name, width);
- }
- ssd_gen_swlog(dev, SSD_LOG_PCIE_LINK_STATUS, val);
-
- return;
-}
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
-static void ssd_hwmon_worker(void *data)
-{
- struct ssd_device *dev = (struct ssd_device *)data;
-#else
-static void ssd_hwmon_worker(struct work_struct *work)
-{
- struct ssd_device *dev = container_of(work, struct ssd_device, hwmon_work);
-#endif
-
- if (ssd_check_hw(dev)) {
- //hio_err("%s: check hardware failed\n", dev->name);
- return;
- }
-
- ssd_check_clock(dev);
- ssd_check_volt(dev);
-
- ssd_mon_boardvolt(dev);
-}
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
-static void ssd_tempmon_worker(void *data)
-{
- struct ssd_device *dev = (struct ssd_device *)data;
-#else
-static void ssd_tempmon_worker(struct work_struct *work)
-{
- struct ssd_device *dev = container_of(work, struct ssd_device, tempmon_work);
-#endif
-
- if (ssd_check_hw(dev)) {
- //hio_err("%s: check hardware failed\n", dev->name);
- return;
- }
-
- ssd_mon_temp(dev);
-}
-
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
-static void ssd_capmon_worker(void *data)
-{
- struct ssd_device *dev = (struct ssd_device *)data;
-#else
-static void ssd_capmon_worker(struct work_struct *work)
-{
- struct ssd_device *dev = container_of(work, struct ssd_device, capmon_work);
-#endif
- uint32_t cap = 0;
- uint32_t cap_threshold = SSD_PL_CAP_THRESHOLD;
- int ret = 0;
-
- if (dev->protocol_info.ver < SSD_PROTOCOL_V3_2) {
- return;
- }
-
- if (dev->hw_info_ext.form_factor == SSD_FORM_FACTOR_FHHL && dev->hw_info.pcb_ver < 'B') {
- return;
- }
-
- /* fault before? */
- if (test_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon)) {
- ret = ssd_check_pl_cap_fast(dev);
- if (ret) {
- return;
- }
- }
-
- /* learn */
- ret = ssd_do_cap_learn(dev, &cap);
- if (ret) {
- hio_err("%s: cap learn failed\n", dev->name);
- ssd_gen_swlog(dev, SSD_LOG_CAP_LEARN_FAULT, 0);
- return;
- }
-
- ssd_gen_swlog(dev, SSD_LOG_CAP_STATUS, cap);
-
- if (SSD_PL_CAP_CP == dev->hw_info_ext.cap_type) {
- cap_threshold = SSD_PL_CAP_CP_THRESHOLD;
- }
-
- //use the fw event id?
- if (cap < cap_threshold) {
- if (!test_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon)) {
- ssd_gen_swlog(dev, SSD_LOG_BATTERY_FAULT, 0);
- }
- } else if (cap >= (cap_threshold + SSD_PL_CAP_THRESHOLD_HYST)) {
- if (test_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon)) {
- ssd_gen_swlog(dev, SSD_LOG_BATTERY_OK, 0);
- }
- }
-}
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,15,0))
-static void ssd_routine_start(void *data)
-#else
-static void ssd_routine_start(struct timer_list *t)
-#endif
-{
- struct ssd_device *dev;
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,15,0))
- if (!data) {
- return;
- }
- dev = data;
-#else
- dev = from_timer(dev, t, routine_timer);
-#endif
-
- dev->routine_tick++;
-
- if (test_bit(SSD_INIT_WORKQ, &dev->state) && !ssd_busy(dev)) {
- (void)test_and_set_bit(SSD_LOG_HW, &dev->state);
- queue_work(dev->workq, &dev->log_work);
- }
-
- if ((dev->routine_tick % SSD_HWMON_ROUTINE_TICK) == 0 && test_bit(SSD_INIT_WORKQ, &dev->state)) {
- queue_work(dev->workq, &dev->hwmon_work);
- }
-
- if ((dev->routine_tick % SSD_CAPMON_ROUTINE_TICK) == 0 && test_bit(SSD_INIT_WORKQ, &dev->state)) {
- queue_work(dev->workq, &dev->capmon_work);
- }
-
- if ((dev->routine_tick % SSD_CAPMON2_ROUTINE_TICK) == 0 && test_bit(SSD_HWMON_PL_CAP(SSD_PL_CAP), &dev->hwmon) && test_bit(SSD_INIT_WORKQ, &dev->state)) {
- /* CAP fault? check again */
- queue_work(dev->workq, &dev->capmon_work);
- }
-
- if (test_bit(SSD_INIT_WORKQ, &dev->state)) {
- queue_work(dev->workq, &dev->tempmon_work);
- }
-
- /* schedule routine */
- mod_timer(&dev->routine_timer, jiffies + msecs_to_jiffies(SSD_ROUTINE_INTERVAL));
-}
-
-static void ssd_cleanup_routine(struct ssd_device *dev)
-{
- if (unlikely(mode != SSD_DRV_MODE_STANDARD))
- return;
-
- (void)ssd_del_timer(&dev->routine_timer);
-
- (void)ssd_del_timer(&dev->bm_timer);
-}
-
-static int ssd_init_routine(struct ssd_device *dev)
-{
- if (unlikely(mode != SSD_DRV_MODE_STANDARD))
- return 0;
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
- INIT_WORK(&dev->bm_work, ssd_bm_worker, dev);
- INIT_WORK(&dev->hwmon_work, ssd_hwmon_worker, dev);
- INIT_WORK(&dev->capmon_work, ssd_capmon_worker, dev);
- INIT_WORK(&dev->tempmon_work, ssd_tempmon_worker, dev);
-#else
- INIT_WORK(&dev->bm_work, ssd_bm_worker);
- INIT_WORK(&dev->hwmon_work, ssd_hwmon_worker);
- INIT_WORK(&dev->capmon_work, ssd_capmon_worker);
- INIT_WORK(&dev->tempmon_work, ssd_tempmon_worker);
-#endif
-
- /* initial log */
- ssd_initial_log(dev);
-
- /* schedule bm routine */
- ssd_add_timer(&dev->bm_timer, msecs_to_jiffies(SSD_BM_CAP_LEARNING_DELAY), ssd_bm_routine_start, dev);
-
- /* schedule routine */
- ssd_add_timer(&dev->routine_timer, msecs_to_jiffies(SSD_ROUTINE_INTERVAL), ssd_routine_start, dev);
-
- return 0;
-}
-
-static void
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38))
-__devexit
-#endif
-ssd_remove_one (struct pci_dev *pdev)
-{
- struct ssd_device *dev;
-
- if (!pdev) {
- return;
- }
-
- dev = pci_get_drvdata(pdev);
- if (!dev) {
- return;
- }
-
- list_del_init(&dev->list);
-
- ssd_unregister_sysfs(dev);
-
- /* offline firstly */
- test_and_clear_bit(SSD_ONLINE, &dev->state);
-
- /* clean work queue first */
- if (!dev->slave) {
- test_and_clear_bit(SSD_INIT_WORKQ, &dev->state);
- ssd_cleanup_workq(dev);
- }
-
- /* flush cache */
- (void)ssd_flush(dev);
- (void)ssd_save_md(dev);
-
- /* save smart */
- if (!dev->slave) {
- ssd_save_smart(dev);
- }
-
- if (test_and_clear_bit(SSD_INIT_BD, &dev->state)) {
- ssd_cleanup_blkdev(dev);
- }
-
- if (!dev->slave) {
- ssd_cleanup_chardev(dev);
- }
-
- /* clean routine */
- if (!dev->slave) {
- ssd_cleanup_routine(dev);
- }
-
- ssd_cleanup_queue(dev);
-
- ssd_cleanup_tag(dev);
- ssd_cleanup_thread(dev);
-
- ssd_free_irq(dev);
-
- ssd_cleanup_dcmd(dev);
- ssd_cleanup_cmd(dev);
- ssd_cleanup_response(dev);
-
- if (!dev->slave) {
- ssd_cleanup_log(dev);
- }
-
- if (dev->reload_fw) { //reload fw
- dev->has_non_0x98_reg_access = 1;
- ssd_reg32_write(dev->ctrlp + SSD_RELOAD_FW_REG, SSD_RELOAD_FW);
- }
-
- /* unmap physical adress */
-#ifdef LINUX_SUSE_OS
- iounmap(dev->ctrlp);
-#else
- pci_iounmap(pdev, dev->ctrlp);
-#endif
-
- release_mem_region(dev->mmio_base, dev->mmio_len);
-
- pci_disable_device(pdev);
-
- pci_set_drvdata(pdev, NULL);
-
- ssd_put(dev);
-}
-
-static int
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38))
-__devinit
-#endif
-ssd_init_one(struct pci_dev *pdev,
- const struct pci_device_id *ent)
-{
- struct ssd_device *dev;
- int ret = 0;
-
- if (!pdev || !ent) {
- ret = -EINVAL;
- goto out;
- }
-
- dev = kmalloc(sizeof(struct ssd_device), GFP_KERNEL);
- if (!dev) {
- ret = -ENOMEM;
- goto out_alloc_dev;
- }
- memset(dev, 0, sizeof(struct ssd_device));
-
- dev->owner = THIS_MODULE;
-
- if (SSD_SLAVE_PORT_DEVID == ent->device) {
- dev->slave = 1;
- }
-
- dev->idx = ssd_get_index(dev->slave);
- if (dev->idx < 0) {
- ret = -ENOMEM;
- goto out_get_index;
- }
-
- if (!dev->slave) {
- snprintf(dev->name, SSD_DEV_NAME_LEN, SSD_DEV_NAME);
- ssd_set_dev_name(&dev->name[strlen(SSD_DEV_NAME)], SSD_DEV_NAME_LEN-strlen(SSD_DEV_NAME), dev->idx);
-
- dev->major = ssd_major;
- dev->cmajor = ssd_cmajor;
- } else {
- snprintf(dev->name, SSD_DEV_NAME_LEN, SSD_SDEV_NAME);
- ssd_set_dev_name(&dev->name[strlen(SSD_SDEV_NAME)], SSD_DEV_NAME_LEN-strlen(SSD_SDEV_NAME), dev->idx);
- dev->major = ssd_major_sl;
- dev->cmajor = 0;
- }
-
- dev->reset_time = (uint64_t)ktime_get_real_seconds();
-
- atomic_set(&(dev->refcnt), 0);
- atomic_set(&(dev->tocnt), 0);
-
- mutex_init(&dev->fw_mutex);
-
- //xx
- mutex_init(&dev->gd_mutex);
- dev->has_non_0x98_reg_access = 0;
-
- //init in_flight lock
- spin_lock_init(&dev->in_flight_lock);
-
- dev->pdev = pdev;
- pci_set_drvdata(pdev, dev);
-
- kref_init(&dev->kref);
-
- ret = pci_enable_device(pdev);
- if (ret) {
- hio_warn("%s: can not enable device\n", dev->name);
- goto out_enable_device;
- }
-
- pci_set_master(pdev);
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31))
- ret = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
-#else
- ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
-#endif
- if (ret) {
- hio_warn("%s: set dma mask: failed\n", dev->name);
- goto out_set_dma_mask;
- }
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31))
- ret = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
-#else
- ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
-#endif
- if (ret) {
- hio_warn("%s: set consistent dma mask: failed\n", dev->name);
- goto out_set_dma_mask;
- }
-
- dev->mmio_base = pci_resource_start(pdev, 0);
- dev->mmio_len = pci_resource_len(pdev, 0);
-
- if (!request_mem_region(dev->mmio_base, dev->mmio_len, SSD_DEV_NAME)) {
- hio_warn("%s: can not reserve MMIO region 0\n", dev->name);
- ret = -EBUSY;
- goto out_request_mem_region;
- }
-
- /* 2.6.9 kernel bug */
- dev->ctrlp = pci_iomap(pdev, 0, 0);
- if (!dev->ctrlp) {
- hio_warn("%s: can not remap IO region 0\n", dev->name);
- ret = -ENOMEM;
- goto out_pci_iomap;
- }
-
- ret = ssd_check_hw(dev);
- if (ret) {
- hio_err("%s: check hardware failed\n", dev->name);
- goto out_check_hw;
- }
-
- ret = ssd_init_protocol_info(dev);
- if (ret) {
- hio_err("%s: init protocol info failed\n", dev->name);
- goto out_init_protocol_info;
- }
-
- /* alarm led ? */
- ssd_clear_alarm(dev);
-
- ret = ssd_init_fw_info(dev);
- if (ret) {
- hio_err("%s: init firmware info failed\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out_init_fw_info;
- }
-
- /* slave port ? */
- if (dev->slave) {
- goto init_next1;
- }
-
- ret = ssd_init_rom_info(dev);
- if (ret) {
- hio_err("%s: init rom info failed\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out_init_rom_info;
- }
-
- ret = ssd_init_label(dev);
- if (ret) {
- hio_err("%s: init label failed\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out_init_label;
- }
-
- ret = ssd_init_workq(dev);
- if (ret) {
- hio_warn("%s: init workq failed\n", dev->name);
- goto out_init_workq;
- }
- (void)test_and_set_bit(SSD_INIT_WORKQ, &dev->state);
-
- ret = ssd_init_log(dev);
- if (ret) {
- hio_err("%s: init log failed\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out_init_log;
- }
-
- ret = ssd_init_smart(dev);
- if (ret) {
- hio_err("%s: init info failed\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out_init_smart;
- }
-
-init_next1:
- ret = ssd_init_hw_info(dev);
- if (ret) {
- hio_err("%s: init hardware info failed\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out_init_hw_info;
- }
-
- /* slave port ? */
- if (dev->slave) {
- goto init_next2;
- }
-
- ret = ssd_init_sensor(dev);
- if (ret) {
- hio_err("%s: init sensor failed\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out_init_sensor;
- }
-
- ret = ssd_init_pl_cap(dev);
- if (ret) {
- hio_err("%s: int pl_cap failed\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out_init_pl_cap;
- }
-
-init_next2:
- ret = ssd_check_init_state(dev);
- if (ret) {
- hio_err("%s: check init state failed\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out_check_init_state;
- }
-
- ret = ssd_init_response(dev);
- if (ret) {
- hio_warn("%s: init resp_msg failed\n", dev->name);
- goto out_init_response;
- }
-
- ret = ssd_init_cmd(dev);
- if (ret) {
- hio_warn("%s: init msg failed\n", dev->name);
- goto out_init_cmd;
- }
-
- ret = ssd_init_dcmd(dev);
- if (ret) {
- hio_warn("%s: init cmd failed\n", dev->name);
- goto out_init_dcmd;
- }
-
- ret = ssd_init_irq(dev);
- if (ret) {
- hio_warn("%s: init irq failed\n", dev->name);
- goto out_init_irq;
- }
-
- ret = ssd_init_thread(dev);
- if (ret) {
- hio_warn("%s: init thread failed\n", dev->name);
- goto out_init_thread;
- }
-
- ret = ssd_init_tag(dev);
- if(ret) {
- hio_warn("%s: init tags failed\n", dev->name);
- goto out_init_tags;
- }
-
- /* */
- (void)test_and_set_bit(SSD_ONLINE, &dev->state);
-
- ret = ssd_init_queue(dev);
- if (ret) {
- hio_warn("%s: init queue failed\n", dev->name);
- goto out_init_queue;
- }
-
- /* slave port ? */
- if (dev->slave) {
- goto init_next3;
- }
-
- ret = ssd_init_ot_protect(dev);
- if (ret) {
- hio_err("%s: int ot_protect failed\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out_int_ot_protect;
- }
-
- ret = ssd_init_wmode(dev);
- if (ret) {
- hio_warn("%s: init write mode\n", dev->name);
- goto out_init_wmode;
- }
-
- /* init routine after hw is ready */
- ret = ssd_init_routine(dev);
- if (ret) {
- hio_warn("%s: init routine\n", dev->name);
- goto out_init_routine;
- }
-
- ret = ssd_init_chardev(dev);
- if (ret) {
- hio_warn("%s: register char device failed\n", dev->name);
- goto out_init_chardev;
- }
-
-init_next3:
- ret = ssd_init_blkdev(dev);
- if (ret) {
- hio_warn("%s: register block device failed\n", dev->name);
- goto out_init_blkdev;
- }
- (void)test_and_set_bit(SSD_INIT_BD, &dev->state);
-
- ret = ssd_register_sysfs(dev);
- if (ret) {
- hio_warn("%s: register sysfs failed\n", dev->name);
- goto out_register_sysfs;
- }
-
- dev->save_md = 1;
-
- list_add_tail(&dev->list, &ssd_list);
-
- return 0;
-
-out_register_sysfs:
- test_and_clear_bit(SSD_INIT_BD, &dev->state);
- ssd_cleanup_blkdev(dev);
-out_init_blkdev:
- /* slave port ? */
- if (!dev->slave) {
- ssd_cleanup_chardev(dev);
- }
-out_init_chardev:
- /* slave port ? */
- if (!dev->slave) {
- ssd_cleanup_routine(dev);
- }
-out_init_routine:
-out_init_wmode:
-out_int_ot_protect:
- ssd_cleanup_queue(dev);
-out_init_queue:
- test_and_clear_bit(SSD_ONLINE, &dev->state);
- ssd_cleanup_tag(dev);
-out_init_tags:
- ssd_cleanup_thread(dev);
-out_init_thread:
- ssd_free_irq(dev);
-out_init_irq:
- ssd_cleanup_dcmd(dev);
-out_init_dcmd:
- ssd_cleanup_cmd(dev);
-out_init_cmd:
- ssd_cleanup_response(dev);
-out_init_response:
-out_check_init_state:
-out_init_pl_cap:
-out_init_sensor:
-out_init_hw_info:
-out_init_smart:
- /* slave port ? */
- if (!dev->slave) {
- ssd_cleanup_log(dev);
- }
-out_init_log:
- /* slave port ? */
- if (!dev->slave) {
- test_and_clear_bit(SSD_INIT_WORKQ, &dev->state);
- ssd_cleanup_workq(dev);
- }
-out_init_workq:
-out_init_label:
-out_init_rom_info:
-out_init_fw_info:
-out_init_protocol_info:
-out_check_hw:
-#ifdef LINUX_SUSE_OS
- iounmap(dev->ctrlp);
-#else
- pci_iounmap(pdev, dev->ctrlp);
-#endif
-out_pci_iomap:
- release_mem_region(dev->mmio_base, dev->mmio_len);
-out_request_mem_region:
-out_set_dma_mask:
- pci_disable_device(pdev);
-out_enable_device:
- pci_set_drvdata(pdev, NULL);
-out_get_index:
- kfree(dev);
-out_alloc_dev:
-out:
- return ret;
-}
-
-static void ssd_cleanup_tasklet(void)
-{
- int i;
- for_each_online_cpu(i) {
- tasklet_kill(&per_cpu(ssd_tasklet, i));
- }
-}
-
-static int ssd_init_tasklet(void)
-{
- int i;
-
- for_each_online_cpu(i) {
- INIT_LIST_HEAD(&per_cpu(ssd_doneq, i));
-
- if (finject) {
- tasklet_init(&per_cpu(ssd_tasklet, i), __ssd_done_db, 0);
- } else {
- tasklet_init(&per_cpu(ssd_tasklet, i), __ssd_done, 0);
- }
- }
-
- return 0;
-}
-
-static struct pci_device_id ssd_pci_tbl[] = {
- { 0x10ee, 0x0007, PCI_ANY_ID, PCI_ANY_ID, }, /* g3 */
- { 0x19e5, 0x0007, PCI_ANY_ID, PCI_ANY_ID, }, /* v1 */
- //{ 0x19e5, 0x0008, PCI_ANY_ID, PCI_ANY_ID, }, /* v1 sp*/
- { 0x19e5, 0x0009, PCI_ANY_ID, PCI_ANY_ID, }, /* v2 */
- { 0x19e5, 0x000a, PCI_ANY_ID, PCI_ANY_ID, }, /* v2 dp slave*/
- { 0, }
-};
-
-/*driver power management handler for pm_ops*/
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32))
-static int ssd_hio_suspend(struct pci_dev *pdev, pm_message_t state)
-{
-#else
-static int ssd_hio_suspend(struct device *ddev)
-{
- struct pci_dev *pdev = to_pci_dev(ddev);
-#endif
- struct ssd_device *dev;
-
-
- if (!pdev) {
- return -EINVAL;
- }
-
- dev = pci_get_drvdata(pdev);
- if (!dev) {
- return -EINVAL;
- }
-
- hio_warn("%s: suspend disk start.\n", dev->name);
- ssd_unregister_sysfs(dev);
-
- /* offline firstly */
- test_and_clear_bit(SSD_ONLINE, &dev->state);
-
- /* clean work queue first */
- if (!dev->slave) {
- test_and_clear_bit(SSD_INIT_WORKQ, &dev->state);
- ssd_cleanup_workq(dev);
- }
-
- /* flush cache */
- (void)ssd_flush(dev);
- (void)ssd_save_md(dev);
-
- /* save smart */
- if (!dev->slave) {
- ssd_save_smart(dev);
- }
-
- /* clean routine */
- if (!dev->slave) {
- ssd_cleanup_routine(dev);
- }
-
- ssd_cleanup_thread(dev);
-
- ssd_free_irq(dev);
-
- if (!dev->slave) {
- ssd_cleanup_log(dev);
- }
-
- if (dev->reload_fw) { //reload fw
- dev->has_non_0x98_reg_access = 1;
- ssd_reg32_write(dev->ctrlp + SSD_RELOAD_FW_REG, SSD_RELOAD_FW);
- }
-
- /* unmap physical adress */
- if (dev->ctrlp) {
-#ifdef LINUX_SUSE_OS
- iounmap(dev->ctrlp);
-#else
- pci_iounmap(pdev, dev->ctrlp);
-#endif
- dev->ctrlp = NULL;
- }
-
- if (dev->mmio_base) {
- release_mem_region(dev->mmio_base, dev->mmio_len);
- dev->mmio_base = 0;
- }
-
- pci_disable_device(pdev);
-
- hio_warn("%s: suspend disk finish.\n", dev->name);
-
- return 0;
-}
-
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32))
-static int ssd_hio_resume(struct pci_dev *pdev)
-{
-#else
-static int ssd_hio_resume(struct device *ddev)
-{
- struct pci_dev *pdev = to_pci_dev(ddev);
-#endif
- struct ssd_device *dev = NULL;
- int ret = 0;
-
- if (!pdev ) {
- ret = -EINVAL;
- goto out;
- }
-
- dev = pci_get_drvdata(pdev);
- if (!dev) {
- ret = -ENOMEM;
- goto out_alloc_dev;
- }
-
- hio_warn("%s: resume disk start.\n", dev->name);
- ret = pci_enable_device(pdev);
- if (ret) {
- hio_warn("%s: can not enable device\n", dev->name);
- goto out_enable_device;
- }
-
- pci_set_master(pdev);
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31))
- ret = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
-#else
- ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
-#endif
- if (ret) {
- hio_warn("%s: set dma mask: failed\n", dev->name);
- goto out_set_dma_mask;
- }
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31))
- ret = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
-#else
- ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
-#endif
- if (ret) {
- hio_warn("%s: set consistent dma mask: failed\n", dev->name);
- goto out_set_dma_mask;
- }
-
- dev->mmio_base = pci_resource_start(pdev, 0);
- dev->mmio_len = pci_resource_len(pdev, 0);
-
- if (!request_mem_region(dev->mmio_base, dev->mmio_len, SSD_DEV_NAME)) {
- hio_warn("%s: can not reserve MMIO region 0\n", dev->name);
- ret = -EBUSY;
- goto out_request_mem_region;
- }
-
- /* 2.6.9 kernel bug */
- dev->ctrlp = pci_iomap(pdev, 0, 0);
- if (!dev->ctrlp) {
- hio_warn("%s: can not remap IO region 0\n", dev->name);
- ret = -ENOMEM;
- goto out_pci_iomap;
- }
-
- ret = ssd_check_hw(dev);
- if (ret) {
- hio_err("%s: check hardware failed\n", dev->name);
- goto out_check_hw;
- }
-
- /* alarm led ? */
- ssd_clear_alarm(dev);
-
- ret = ssd_init_fw_info(dev);
- if (ret) {
- hio_err("%s: init firmware info failed\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out_init_fw_info;
- }
-
- /* slave port ? */
- if (dev->slave) {
- goto init_next1;
- }
-
- ret = ssd_init_rom_info(dev);
- if (ret) {
- hio_err("%s: init rom info failed\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out_init_rom_info;
- }
-
- ret = ssd_init_label(dev);
- if (ret) {
- hio_err("%s: init label failed\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out_init_label;
- }
-
- ret = ssd_init_workq(dev);
- if (ret) {
- hio_warn("%s: init workq failed\n", dev->name);
- goto out_init_workq;
- }
- (void)test_and_set_bit(SSD_INIT_WORKQ, &dev->state);
-
- ret = ssd_init_log(dev);
- if (ret) {
- hio_err("%s: init log failed\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out_init_log;
- }
-
- ret = ssd_init_smart(dev);
- if (ret) {
- hio_err("%s: init info failed\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out_init_smart;
- }
-
-init_next1:
- ret = ssd_init_hw_info(dev);
- if (ret) {
- hio_err("%s: init hardware info failed\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out_init_hw_info;
- }
-
- /* slave port ? */
- if (dev->slave) {
- goto init_next2;
- }
-
- ret = ssd_init_sensor(dev);
- if (ret) {
- hio_err("%s: init sensor failed\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out_init_sensor;
- }
-
- ret = ssd_init_pl_cap(dev);
- if (ret) {
- hio_err("%s: int pl_cap failed\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out_init_pl_cap;
- }
-
-init_next2:
- ret = ssd_check_init_state(dev);
- if (ret) {
- hio_err("%s: check init state failed\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out_check_init_state;
- }
-
- //flush all base pointer to ssd
- (void)ssd_reload_ssd_ptr(dev);
-
- ret = ssd_init_irq(dev);
- if (ret) {
- hio_warn("%s: init irq failed\n", dev->name);
- goto out_init_irq;
- }
-
- ret = ssd_init_thread(dev);
- if (ret) {
- hio_warn("%s: init thread failed\n", dev->name);
- goto out_init_thread;
- }
-
- /* */
- (void)test_and_set_bit(SSD_ONLINE, &dev->state);
-
- /* slave port ? */
- if (dev->slave) {
- goto init_next3;
- }
-
- ret = ssd_init_ot_protect(dev);
- if (ret) {
- hio_err("%s: int ot_protect failed\n", dev->name);
- /* alarm led */
- ssd_set_alarm(dev);
- goto out_int_ot_protect;
- }
-
- ret = ssd_init_wmode(dev);
- if (ret) {
- hio_warn("%s: init write mode\n", dev->name);
- goto out_init_wmode;
- }
-
- /* init routine after hw is ready */
- ret = ssd_init_routine(dev);
- if (ret) {
- hio_warn("%s: init routine\n", dev->name);
- goto out_init_routine;
- }
-
-init_next3:
- (void)test_and_set_bit(SSD_INIT_BD, &dev->state);
-
- dev->save_md = 1;
-
- hio_warn("%s: resume disk finish.\n", dev->name);
-
- return 0;
-
-out_init_routine:
-out_init_wmode:
-out_int_ot_protect:
- ssd_cleanup_thread(dev);
-out_init_thread:
- ssd_free_irq(dev);
-out_init_irq:
-out_check_init_state:
-out_init_pl_cap:
-out_init_sensor:
-out_init_hw_info:
-out_init_smart:
- /* slave port ? */
- if (!dev->slave) {
- ssd_cleanup_log(dev);
- }
-out_init_log:
- /* slave port ? */
- if (!dev->slave) {
- test_and_clear_bit(SSD_INIT_WORKQ, &dev->state);
- ssd_cleanup_workq(dev);
- }
-out_init_workq:
-out_init_label:
-out_init_rom_info:
-out_init_fw_info:
-out_check_hw:
-#ifdef LINUX_SUSE_OS
- iounmap(dev->ctrlp);
-#else
- pci_iounmap(pdev, dev->ctrlp);
-#endif
-out_pci_iomap:
- release_mem_region(dev->mmio_base, dev->mmio_len);
-out_request_mem_region:
-out_set_dma_mask:
- pci_disable_device(pdev);
-out_enable_device:
-out_alloc_dev:
-out:
-
- hio_warn("%s: resume disk fail.\n", dev->name);
-
- return ret;
-}
-
-MODULE_DEVICE_TABLE(pci, ssd_pci_tbl);
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32))
-#else
-SIMPLE_DEV_PM_OPS(hio_pm_ops, ssd_hio_suspend, ssd_hio_resume);
-#endif
-
-struct pci_driver ssd_driver = {
- .name = MODULE_NAME,
- .id_table = ssd_pci_tbl,
- .probe = ssd_init_one,
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38))
- .remove = __devexit_p(ssd_remove_one),
-#else
- .remove = ssd_remove_one,
-#endif
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32))
- .suspend = ssd_hio_suspend,
- .resume = ssd_hio_resume,
-#else
- .driver = {
- .pm = &hio_pm_ops,
- },
-#endif
-};
-
-/* notifier block to get a notify on system shutdown/halt/reboot */
-static int ssd_notify_reboot(struct notifier_block *nb, unsigned long event, void *buf)
-{
- struct ssd_device *dev = NULL;
- struct ssd_device *n = NULL;
-
- list_for_each_entry_safe(dev, n, &ssd_list, list) {
- ssd_gen_swlog(dev, SSD_LOG_POWER_OFF, 0);
-
- (void)ssd_flush(dev);
- (void)ssd_save_md(dev);
-
- /* slave port ? */
- if (!dev->slave) {
- ssd_save_smart(dev);
-
- ssd_stop_workq(dev);
-
- if (dev->reload_fw) {
- dev->has_non_0x98_reg_access = 1;
- ssd_reg32_write(dev->ctrlp + SSD_RELOAD_FW_REG, SSD_RELOAD_FW);
- }
- }
- }
-
- return NOTIFY_OK;
-}
-
-static struct notifier_block ssd_notifier = {
- ssd_notify_reboot, NULL, 0
-};
-
-static int __init ssd_init_module(void)
-{
- int ret = 0;
-
- hio_info("driver version: %s\n", DRIVER_VERSION);
-
- ret = ssd_init_index();
- if (ret) {
- hio_warn("init index failed\n");
- goto out_init_index;
- }
-
- ret = ssd_init_proc();
- if (ret) {
- hio_warn("init proc failed\n");
- goto out_init_proc;
- }
-
- ret = ssd_init_sysfs();
- if (ret) {
- hio_warn("init sysfs failed\n");
- goto out_init_sysfs;
- }
-
- ret = ssd_init_tasklet();
- if (ret) {
- hio_warn("init tasklet failed\n");
- goto out_init_tasklet;
- }
-
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,12))
- ssd_class = class_simple_create(THIS_MODULE, SSD_DEV_NAME);
-#else
- ssd_class = class_create(THIS_MODULE, SSD_DEV_NAME);
-#endif
- if (IS_ERR(ssd_class)) {
- ret = PTR_ERR(ssd_class);
- goto out_class_create;
- }
-
- if (ssd_cmajor > 0) {
- ret = register_chrdev(ssd_cmajor, SSD_CDEV_NAME, &ssd_cfops);
- } else {
- ret = ssd_cmajor = register_chrdev(ssd_cmajor, SSD_CDEV_NAME, &ssd_cfops);
- }
- if (ret < 0) {
- hio_warn("unable to register chardev major number\n");
- goto out_register_chardev;
- }
-
- if (ssd_major > 0) {
- ret = register_blkdev(ssd_major, SSD_DEV_NAME);
- } else {
- ret = ssd_major = register_blkdev(ssd_major, SSD_DEV_NAME);
- }
- if (ret < 0) {
- hio_warn("unable to register major number\n");
- goto out_register_blkdev;
- }
-
- if (ssd_major_sl > 0) {
- ret = register_blkdev(ssd_major_sl, SSD_SDEV_NAME);
- } else {
- ret = ssd_major_sl = register_blkdev(ssd_major_sl, SSD_SDEV_NAME);
- }
- if (ret < 0) {
- hio_warn("unable to register slave major number\n");
- goto out_register_blkdev_sl;
- }
-
- if (mode < SSD_DRV_MODE_STANDARD || mode > SSD_DRV_MODE_BASE) {
- mode = SSD_DRV_MODE_STANDARD;
- }
-
- /* for debug */
- if (mode != SSD_DRV_MODE_STANDARD) {
- ssd_minors = 1;
- }
-
- if (int_mode < SSD_INT_LEGACY || int_mode > SSD_INT_MSIX) {
- int_mode = SSD_INT_MODE_DEFAULT;
- }
-
- if (threaded_irq) {
- int_mode = SSD_INT_MSI;
- }
-
- if (log_level >= SSD_LOG_NR_LEVEL || log_level < SSD_LOG_LEVEL_INFO) {
- log_level = SSD_LOG_LEVEL_ERR;
- }
-
- if (wmode < SSD_WMODE_BUFFER || wmode > SSD_WMODE_DEFAULT) {
- wmode = SSD_WMODE_DEFAULT;
- }
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
- ret = pci_module_init(&ssd_driver);
-#else
- ret = pci_register_driver(&ssd_driver);
-#endif
- if (ret) {
- hio_warn("pci init failed\n");
- goto out_pci_init;
- }
-
- ret = register_reboot_notifier(&ssd_notifier);
- if (ret) {
- hio_warn("register reboot notifier failed\n");
- goto out_register_reboot_notifier;
- }
-
- return 0;
-
-out_register_reboot_notifier:
-out_pci_init:
- pci_unregister_driver(&ssd_driver);
- unregister_blkdev(ssd_major_sl, SSD_SDEV_NAME);
-out_register_blkdev_sl:
- unregister_blkdev(ssd_major, SSD_DEV_NAME);
-out_register_blkdev:
- unregister_chrdev(ssd_cmajor, SSD_CDEV_NAME);
-out_register_chardev:
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,12))
- class_simple_destroy(ssd_class);
-#else
- class_destroy(ssd_class);
-#endif
-out_class_create:
- ssd_cleanup_tasklet();
-out_init_tasklet:
- ssd_cleanup_sysfs();
-out_init_sysfs:
- ssd_cleanup_proc();
-out_init_proc:
- ssd_cleanup_index();
-out_init_index:
- return ret;
-
-}
-
-static void __exit ssd_cleanup_module(void)
-{
-
- hio_info("unload driver: %s\n", DRIVER_VERSION);
- /* exiting */
- ssd_exiting = 1;
-
- unregister_reboot_notifier(&ssd_notifier);
-
- pci_unregister_driver(&ssd_driver);
-
- unregister_blkdev(ssd_major_sl, SSD_SDEV_NAME);
- unregister_blkdev(ssd_major, SSD_DEV_NAME);
- unregister_chrdev(ssd_cmajor, SSD_CDEV_NAME);
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,12))
- class_simple_destroy(ssd_class);
-#else
- class_destroy(ssd_class);
-#endif
-
- ssd_cleanup_tasklet();
- ssd_cleanup_sysfs();
- ssd_cleanup_proc();
- ssd_cleanup_index();
-}
-
-int ssd_register_event_notifier(struct block_device *bdev, ssd_event_call event_call)
-{
- struct ssd_device *dev;
- struct ssd_log *le, *temp_le = NULL;
- uint64_t cur;
- int temp = 0;
- int log_nr;
-
- if (!bdev || !event_call || !(bdev->bd_disk)) {
- return -EINVAL;
- }
-
- dev = bdev->bd_disk->private_data;
- dev->event_call = event_call;
-
- cur = (uint64_t)ktime_get_real_seconds();
-
- le = (struct ssd_log *)(dev->internal_log.log);
- log_nr = dev->internal_log.nr_log;
-
- while (log_nr--) {
- if (le->time <= cur && le->time >= dev->uptime) {
- if ((le->le.event == SSD_LOG_SEU_FAULT1) && (le->time < dev->reset_time)) {
- le++;
- continue;
- }
- if (le->le.event == SSD_LOG_OVER_TEMP || le->le.event == SSD_LOG_NORMAL_TEMP || le->le.event == SSD_LOG_WARN_TEMP) {
- if (!temp_le || le->time >= temp_le->time) {
- temp_le = le;
- }
- le++;
- continue;
- }
- (void)dev->event_call(dev->gd, le->le.event, ssd_parse_log(dev, le, 0));
- }
- le++;
- }
-
- ssd_get_temperature(bdev, &temp);
- if (temp_le && (temp >= SSD_OT_TEMP_HYST)) {
- (void)dev->event_call(dev->gd, temp_le->le.event, ssd_parse_log(dev, temp_le, 0));
- }
-
- return 0;
-}
-
-int ssd_unregister_event_notifier(struct block_device *bdev)
-{
- struct ssd_device *dev;
-
- if (!bdev || !(bdev->bd_disk)) {
- return -EINVAL;
- }
-
- dev = bdev->bd_disk->private_data;
- dev->event_call = NULL;
-
- return 0;
-}
-
-EXPORT_SYMBOL(ssd_get_label);
-EXPORT_SYMBOL(ssd_get_version);
-EXPORT_SYMBOL(ssd_set_otprotect);
-EXPORT_SYMBOL(ssd_bm_status);
-EXPORT_SYMBOL(ssd_submit_pbio);
-EXPORT_SYMBOL(ssd_get_pciaddr);
-EXPORT_SYMBOL(ssd_get_temperature);
-EXPORT_SYMBOL(ssd_register_event_notifier);
-EXPORT_SYMBOL(ssd_unregister_event_notifier);
-EXPORT_SYMBOL(ssd_reset);
-EXPORT_SYMBOL(ssd_set_wmode);
-
-
-
-module_init(ssd_init_module);
-module_exit(ssd_cleanup_module);
-MODULE_VERSION(DRIVER_VERSION);
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Huawei SSD DEV Team");
-MODULE_DESCRIPTION("Huawei SSD driver");
projects / mirror_ubuntu-jammy-kernel.git / commitdiff