projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| e7bfc654 HSDT |
1 | /* |
| 2 | * Huawei SSD device driver | |
| 3 | * Copyright (c) 2016, Huawei Technologies Co., Ltd. | |
| 4 | * | |
| 5 | * This program is free software; you can redistribute it and/or modify it | |
| 6 | * under the terms and conditions of the GNU General Public License, | |
| 7 | * version 2, as published by the Free Software Foundation. | |
| 8 | * | |
| 9 | * This program is distributed in the hope it will be useful, but WITHOUT | |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 12 | * more details. | |
| 13 | */ | |
| 14 | ||
| 15 | #ifndef _HIO_H | |
| 16 | #define _HIO_H | |
| 17 | ||
| 18 | #include <linux/types.h> | |
| 19 | #include <linux/genhd.h> | |
| 20 | #include <linux/blkdev.h> | |
| 21 | #include <linux/genhd.h> | |
| 22 | ||
| 23 | ||
| 24 | ||
| 25 | typedef int (*ssd_event_call)(struct gendisk *, int, int); /* gendisk, event id, event level */ | |
| 26 | extern int ssd_register_event_notifier(struct block_device *bdev, ssd_event_call event_call); | |
| 27 | /* unregister event notifier before module exit */ | |
| 28 | extern int ssd_unregister_event_notifier(struct block_device *bdev); | |
| 29 | ||
| 30 | ||
| 31 | /* label */ | |
| 32 | #define SSD_LABEL_FIELD_SZ 32 | |
| 33 | #define SSD_SN_SZ 16 | |
| 34 | ||
| 35 | typedef struct ssd_label | |
| 36 | { | |
| 37 | char date[SSD_LABEL_FIELD_SZ]; | |
| 38 | char sn[SSD_LABEL_FIELD_SZ]; | |
| 39 | char part[SSD_LABEL_FIELD_SZ]; | |
| 40 | char desc[SSD_LABEL_FIELD_SZ]; | |
| 41 | char other[SSD_LABEL_FIELD_SZ]; | |
| 42 | char maf[SSD_LABEL_FIELD_SZ]; | |
| 43 | } ssd_label_t; | |
| 44 | ||
| 45 | ||
| 46 | /* version */ | |
| 47 | typedef struct ssd_version_info | |
| 48 | { | |
| 49 | uint32_t bridge_ver; /* bridge fw version: hex */ | |
| 50 | uint32_t ctrl_ver; /* controller fw version: hex */ | |
| 51 | uint32_t bm_ver; /* battery manager fw version: hex */ | |
| 52 | uint8_t pcb_ver; /* main pcb version: char */ | |
| 53 | uint8_t upper_pcb_ver; | |
| 54 | uint8_t pad0; | |
| 55 | uint8_t pad1; | |
| 56 | } ssd_version_info_t; | |
| 57 | ||
| 58 | extern int ssd_get_label(struct block_device *bdev, struct ssd_label *label); | |
| 59 | extern int ssd_get_version(struct block_device *bdev, struct ssd_version_info *ver); | |
| 60 | extern int ssd_get_temperature(struct block_device *bdev, int *temp); | |
| 61 | ||
| 62 | ||
| 63 | enum ssd_bmstatus | |
| 64 | { | |
| 65 | SSD_BMSTATUS_OK = 0, | |
| 66 | SSD_BMSTATUS_CHARGING, | |
| 67 | SSD_BMSTATUS_WARNING | |
| 68 | }; | |
| 69 | extern int ssd_bm_status(struct block_device *bdev, int *status); | |
| 70 | ||
| 71 | enum ssd_otprotect | |
| 72 | { | |
| 73 | SSD_OTPROTECT_OFF = 0, | |
| 74 | SSD_OTPROTECT_ON | |
| 75 | }; | |
| 76 | extern int ssd_set_otprotect(struct block_device *bdev, int otprotect); | |
| 77 | ||
| 78 | typedef struct pci_addr | |
| 79 | { | |
| 80 | uint16_t domain; | |
| 81 | uint8_t bus; | |
| 82 | uint8_t slot; | |
| 83 | uint8_t func; | |
| 84 | } pci_addr_t; | |
| 85 | extern int ssd_get_pciaddr(struct block_device *bdev, struct pci_addr *paddr); | |
| 86 | ||
| 87 | /* submit phys bio: phys addr in iovec */ | |
| 88 | extern void ssd_submit_pbio(struct request_queue *q, struct bio *bio); | |
| 89 | ||
| 90 | extern int ssd_reset(struct block_device *bdev); | |
| 91 | ||
| 92 | enum ssd_write_mode | |
| 93 | { | |
| 94 | SSD_WMODE_BUFFER = 0, | |
| 95 | SSD_WMODE_BUFFER_EX, | |
| 96 | SSD_WMODE_FUA, | |
| 97 | /* dummy */ | |
| 98 | SSD_WMODE_AUTO, | |
| 99 | SSD_WMODE_DEFAULT | |
| 100 | }; | |
| 101 | extern int ssd_set_wmode(struct block_device *bdev, int wmode); | |
| 102 | ||
| 103 | #endif | |
| 104 |