mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-11 21:14:07 +08:00
30b67de31b
The driver version is not updated with changes to the driver, so it has no value, so just get rid of it. Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
424 lines
11 KiB
C
424 lines
11 KiB
C
/*
|
|
* Copyright (c) 2015 Linaro Ltd.
|
|
* Copyright (c) 2015 Hisilicon Limited.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
*/
|
|
|
|
#ifndef _HISI_SAS_H_
|
|
#define _HISI_SAS_H_
|
|
|
|
#include <linux/acpi.h>
|
|
#include <linux/clk.h>
|
|
#include <linux/dmapool.h>
|
|
#include <linux/iopoll.h>
|
|
#include <linux/mfd/syscon.h>
|
|
#include <linux/module.h>
|
|
#include <linux/of_address.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/property.h>
|
|
#include <linux/regmap.h>
|
|
#include <scsi/sas_ata.h>
|
|
#include <scsi/libsas.h>
|
|
|
|
#define HISI_SAS_MAX_PHYS 9
|
|
#define HISI_SAS_MAX_QUEUES 32
|
|
#define HISI_SAS_QUEUE_SLOTS 512
|
|
#define HISI_SAS_MAX_ITCT_ENTRIES 2048
|
|
#define HISI_SAS_MAX_DEVICES HISI_SAS_MAX_ITCT_ENTRIES
|
|
#define HISI_SAS_RESET_BIT 0
|
|
#define HISI_SAS_REJECT_CMD_BIT 1
|
|
|
|
#define HISI_SAS_STATUS_BUF_SZ (sizeof(struct hisi_sas_status_buffer))
|
|
#define HISI_SAS_COMMAND_TABLE_SZ (sizeof(union hisi_sas_command_table))
|
|
|
|
#define hisi_sas_status_buf_addr(buf) \
|
|
(buf + offsetof(struct hisi_sas_slot_buf_table, status_buffer))
|
|
#define hisi_sas_status_buf_addr_mem(slot) hisi_sas_status_buf_addr(slot->buf)
|
|
#define hisi_sas_status_buf_addr_dma(slot) \
|
|
hisi_sas_status_buf_addr(slot->buf_dma)
|
|
|
|
#define hisi_sas_cmd_hdr_addr(buf) \
|
|
(buf + offsetof(struct hisi_sas_slot_buf_table, command_header))
|
|
#define hisi_sas_cmd_hdr_addr_mem(slot) hisi_sas_cmd_hdr_addr(slot->buf)
|
|
#define hisi_sas_cmd_hdr_addr_dma(slot) hisi_sas_cmd_hdr_addr(slot->buf_dma)
|
|
|
|
#define hisi_sas_sge_addr(buf) \
|
|
(buf + offsetof(struct hisi_sas_slot_buf_table, sge_page))
|
|
#define hisi_sas_sge_addr_mem(slot) hisi_sas_sge_addr(slot->buf)
|
|
#define hisi_sas_sge_addr_dma(slot) hisi_sas_sge_addr(slot->buf_dma)
|
|
|
|
#define HISI_SAS_MAX_SSP_RESP_SZ (sizeof(struct ssp_frame_hdr) + 1024)
|
|
#define HISI_SAS_MAX_SMP_RESP_SZ 1028
|
|
#define HISI_SAS_MAX_STP_RESP_SZ 28
|
|
|
|
#define DEV_IS_EXPANDER(type) \
|
|
((type == SAS_EDGE_EXPANDER_DEVICE) || \
|
|
(type == SAS_FANOUT_EXPANDER_DEVICE))
|
|
|
|
#define HISI_SAS_SATA_PROTOCOL_NONDATA 0x1
|
|
#define HISI_SAS_SATA_PROTOCOL_PIO 0x2
|
|
#define HISI_SAS_SATA_PROTOCOL_DMA 0x4
|
|
#define HISI_SAS_SATA_PROTOCOL_FPDMA 0x8
|
|
#define HISI_SAS_SATA_PROTOCOL_ATAPI 0x10
|
|
|
|
struct hisi_hba;
|
|
|
|
enum {
|
|
PORT_TYPE_SAS = (1U << 1),
|
|
PORT_TYPE_SATA = (1U << 0),
|
|
};
|
|
|
|
enum dev_status {
|
|
HISI_SAS_DEV_NORMAL,
|
|
HISI_SAS_DEV_EH,
|
|
};
|
|
|
|
enum {
|
|
HISI_SAS_INT_ABT_CMD = 0,
|
|
HISI_SAS_INT_ABT_DEV = 1,
|
|
};
|
|
|
|
enum hisi_sas_dev_type {
|
|
HISI_SAS_DEV_TYPE_STP = 0,
|
|
HISI_SAS_DEV_TYPE_SSP,
|
|
HISI_SAS_DEV_TYPE_SATA,
|
|
};
|
|
|
|
struct hisi_sas_hw_error {
|
|
u32 irq_msk;
|
|
u32 msk;
|
|
int shift;
|
|
const char *msg;
|
|
int reg;
|
|
};
|
|
|
|
struct hisi_sas_phy {
|
|
struct hisi_hba *hisi_hba;
|
|
struct hisi_sas_port *port;
|
|
struct asd_sas_phy sas_phy;
|
|
struct sas_identify identify;
|
|
struct timer_list timer;
|
|
struct work_struct phyup_ws;
|
|
u64 port_id; /* from hw */
|
|
u64 dev_sas_addr;
|
|
u64 frame_rcvd_size;
|
|
u8 frame_rcvd[32];
|
|
u8 phy_attached;
|
|
u8 reserved[3];
|
|
u32 phy_type;
|
|
enum sas_linkrate minimum_linkrate;
|
|
enum sas_linkrate maximum_linkrate;
|
|
};
|
|
|
|
struct hisi_sas_port {
|
|
struct asd_sas_port sas_port;
|
|
u8 port_attached;
|
|
u8 id; /* from hw */
|
|
};
|
|
|
|
struct hisi_sas_cq {
|
|
struct hisi_hba *hisi_hba;
|
|
struct tasklet_struct tasklet;
|
|
int rd_point;
|
|
int id;
|
|
};
|
|
|
|
struct hisi_sas_dq {
|
|
struct hisi_hba *hisi_hba;
|
|
struct hisi_sas_slot *slot_prep;
|
|
spinlock_t lock;
|
|
int wr_point;
|
|
int id;
|
|
};
|
|
|
|
struct hisi_sas_device {
|
|
struct hisi_hba *hisi_hba;
|
|
struct domain_device *sas_device;
|
|
struct completion *completion;
|
|
struct hisi_sas_dq *dq;
|
|
struct list_head list;
|
|
u64 attached_phy;
|
|
atomic64_t running_req;
|
|
enum sas_device_type dev_type;
|
|
int device_id;
|
|
int sata_idx;
|
|
u8 dev_status;
|
|
};
|
|
|
|
struct hisi_sas_slot {
|
|
struct list_head entry;
|
|
struct sas_task *task;
|
|
struct hisi_sas_port *port;
|
|
u64 n_elem;
|
|
int dlvry_queue;
|
|
int dlvry_queue_slot;
|
|
int cmplt_queue;
|
|
int cmplt_queue_slot;
|
|
int idx;
|
|
int abort;
|
|
void *buf;
|
|
dma_addr_t buf_dma;
|
|
void *cmd_hdr;
|
|
dma_addr_t cmd_hdr_dma;
|
|
struct work_struct abort_slot;
|
|
struct timer_list internal_abort_timer;
|
|
};
|
|
|
|
struct hisi_sas_tmf_task {
|
|
u8 tmf;
|
|
u16 tag_of_task_to_be_managed;
|
|
};
|
|
|
|
struct hisi_sas_hw {
|
|
int (*hw_init)(struct hisi_hba *hisi_hba);
|
|
void (*setup_itct)(struct hisi_hba *hisi_hba,
|
|
struct hisi_sas_device *device);
|
|
int (*slot_index_alloc)(struct hisi_hba *hisi_hba, int *slot_idx,
|
|
struct domain_device *device);
|
|
struct hisi_sas_device *(*alloc_dev)(struct domain_device *device);
|
|
void (*sl_notify)(struct hisi_hba *hisi_hba, int phy_no);
|
|
int (*get_free_slot)(struct hisi_hba *hisi_hba, struct hisi_sas_dq *dq);
|
|
void (*start_delivery)(struct hisi_sas_dq *dq);
|
|
int (*prep_ssp)(struct hisi_hba *hisi_hba,
|
|
struct hisi_sas_slot *slot, int is_tmf,
|
|
struct hisi_sas_tmf_task *tmf);
|
|
int (*prep_smp)(struct hisi_hba *hisi_hba,
|
|
struct hisi_sas_slot *slot);
|
|
int (*prep_stp)(struct hisi_hba *hisi_hba,
|
|
struct hisi_sas_slot *slot);
|
|
int (*prep_abort)(struct hisi_hba *hisi_hba,
|
|
struct hisi_sas_slot *slot,
|
|
int device_id, int abort_flag, int tag_to_abort);
|
|
int (*slot_complete)(struct hisi_hba *hisi_hba,
|
|
struct hisi_sas_slot *slot);
|
|
void (*phys_init)(struct hisi_hba *hisi_hba);
|
|
void (*phy_enable)(struct hisi_hba *hisi_hba, int phy_no);
|
|
void (*phy_disable)(struct hisi_hba *hisi_hba, int phy_no);
|
|
void (*phy_hard_reset)(struct hisi_hba *hisi_hba, int phy_no);
|
|
void (*get_events)(struct hisi_hba *hisi_hba, int phy_no);
|
|
void (*phy_set_linkrate)(struct hisi_hba *hisi_hba, int phy_no,
|
|
struct sas_phy_linkrates *linkrates);
|
|
enum sas_linkrate (*phy_get_max_linkrate)(void);
|
|
void (*free_device)(struct hisi_hba *hisi_hba,
|
|
struct hisi_sas_device *dev);
|
|
int (*get_wideport_bitmap)(struct hisi_hba *hisi_hba, int port_id);
|
|
void (*dereg_device)(struct hisi_hba *hisi_hba,
|
|
struct domain_device *device);
|
|
int (*soft_reset)(struct hisi_hba *hisi_hba);
|
|
u32 (*get_phys_state)(struct hisi_hba *hisi_hba);
|
|
int max_command_entries;
|
|
int complete_hdr_size;
|
|
};
|
|
|
|
struct hisi_hba {
|
|
/* This must be the first element, used by SHOST_TO_SAS_HA */
|
|
struct sas_ha_struct *p;
|
|
|
|
struct platform_device *platform_dev;
|
|
struct pci_dev *pci_dev;
|
|
struct device *dev;
|
|
|
|
void __iomem *regs;
|
|
struct regmap *ctrl;
|
|
u32 ctrl_reset_reg;
|
|
u32 ctrl_reset_sts_reg;
|
|
u32 ctrl_clock_ena_reg;
|
|
u32 refclk_frequency_mhz;
|
|
u8 sas_addr[SAS_ADDR_SIZE];
|
|
|
|
int n_phy;
|
|
spinlock_t lock;
|
|
|
|
struct timer_list timer;
|
|
struct workqueue_struct *wq;
|
|
|
|
int slot_index_count;
|
|
unsigned long *slot_index_tags;
|
|
unsigned long reject_stp_links_msk;
|
|
|
|
/* SCSI/SAS glue */
|
|
struct sas_ha_struct sha;
|
|
struct Scsi_Host *shost;
|
|
|
|
struct hisi_sas_cq cq[HISI_SAS_MAX_QUEUES];
|
|
struct hisi_sas_dq dq[HISI_SAS_MAX_QUEUES];
|
|
struct hisi_sas_phy phy[HISI_SAS_MAX_PHYS];
|
|
struct hisi_sas_port port[HISI_SAS_MAX_PHYS];
|
|
|
|
int queue_count;
|
|
|
|
struct dma_pool *buffer_pool;
|
|
struct hisi_sas_device devices[HISI_SAS_MAX_DEVICES];
|
|
struct hisi_sas_cmd_hdr *cmd_hdr[HISI_SAS_MAX_QUEUES];
|
|
dma_addr_t cmd_hdr_dma[HISI_SAS_MAX_QUEUES];
|
|
void *complete_hdr[HISI_SAS_MAX_QUEUES];
|
|
dma_addr_t complete_hdr_dma[HISI_SAS_MAX_QUEUES];
|
|
struct hisi_sas_initial_fis *initial_fis;
|
|
dma_addr_t initial_fis_dma;
|
|
struct hisi_sas_itct *itct;
|
|
dma_addr_t itct_dma;
|
|
struct hisi_sas_iost *iost;
|
|
dma_addr_t iost_dma;
|
|
struct hisi_sas_breakpoint *breakpoint;
|
|
dma_addr_t breakpoint_dma;
|
|
struct hisi_sas_breakpoint *sata_breakpoint;
|
|
dma_addr_t sata_breakpoint_dma;
|
|
struct hisi_sas_slot *slot_info;
|
|
unsigned long flags;
|
|
const struct hisi_sas_hw *hw; /* Low level hw interface */
|
|
unsigned long sata_dev_bitmap[BITS_TO_LONGS(HISI_SAS_MAX_DEVICES)];
|
|
struct work_struct rst_work;
|
|
};
|
|
|
|
/* Generic HW DMA host memory structures */
|
|
/* Delivery queue header */
|
|
struct hisi_sas_cmd_hdr {
|
|
/* dw0 */
|
|
__le32 dw0;
|
|
|
|
/* dw1 */
|
|
__le32 dw1;
|
|
|
|
/* dw2 */
|
|
__le32 dw2;
|
|
|
|
/* dw3 */
|
|
__le32 transfer_tags;
|
|
|
|
/* dw4 */
|
|
__le32 data_transfer_len;
|
|
|
|
/* dw5 */
|
|
__le32 first_burst_num;
|
|
|
|
/* dw6 */
|
|
__le32 sg_len;
|
|
|
|
/* dw7 */
|
|
__le32 dw7;
|
|
|
|
/* dw8-9 */
|
|
__le64 cmd_table_addr;
|
|
|
|
/* dw10-11 */
|
|
__le64 sts_buffer_addr;
|
|
|
|
/* dw12-13 */
|
|
__le64 prd_table_addr;
|
|
|
|
/* dw14-15 */
|
|
__le64 dif_prd_table_addr;
|
|
};
|
|
|
|
struct hisi_sas_itct {
|
|
__le64 qw0;
|
|
__le64 sas_addr;
|
|
__le64 qw2;
|
|
__le64 qw3;
|
|
__le64 qw4_15[12];
|
|
};
|
|
|
|
struct hisi_sas_iost {
|
|
__le64 qw0;
|
|
__le64 qw1;
|
|
__le64 qw2;
|
|
__le64 qw3;
|
|
};
|
|
|
|
struct hisi_sas_err_record {
|
|
u32 data[4];
|
|
};
|
|
|
|
struct hisi_sas_initial_fis {
|
|
struct hisi_sas_err_record err_record;
|
|
struct dev_to_host_fis fis;
|
|
u32 rsvd[3];
|
|
};
|
|
|
|
struct hisi_sas_breakpoint {
|
|
u8 data[128]; /*io128 byte*/
|
|
};
|
|
|
|
struct hisi_sas_sge {
|
|
__le64 addr;
|
|
__le32 page_ctrl_0;
|
|
__le32 page_ctrl_1;
|
|
__le32 data_len;
|
|
__le32 data_off;
|
|
};
|
|
|
|
struct hisi_sas_command_table_smp {
|
|
u8 bytes[44];
|
|
};
|
|
|
|
struct hisi_sas_command_table_stp {
|
|
struct host_to_dev_fis command_fis;
|
|
u8 dummy[12];
|
|
u8 atapi_cdb[ATAPI_CDB_LEN];
|
|
};
|
|
|
|
#define HISI_SAS_SGE_PAGE_CNT SG_CHUNK_SIZE
|
|
struct hisi_sas_sge_page {
|
|
struct hisi_sas_sge sge[HISI_SAS_SGE_PAGE_CNT];
|
|
} __aligned(16);
|
|
|
|
struct hisi_sas_command_table_ssp {
|
|
struct ssp_frame_hdr hdr;
|
|
union {
|
|
struct {
|
|
struct ssp_command_iu task;
|
|
u32 prot[6];
|
|
};
|
|
struct ssp_tmf_iu ssp_task;
|
|
struct xfer_rdy_iu xfer_rdy;
|
|
struct ssp_response_iu ssp_res;
|
|
} u;
|
|
};
|
|
|
|
union hisi_sas_command_table {
|
|
struct hisi_sas_command_table_ssp ssp;
|
|
struct hisi_sas_command_table_smp smp;
|
|
struct hisi_sas_command_table_stp stp;
|
|
} __aligned(16);
|
|
|
|
struct hisi_sas_status_buffer {
|
|
struct hisi_sas_err_record err;
|
|
u8 iu[1024];
|
|
} __aligned(16);
|
|
|
|
struct hisi_sas_slot_buf_table {
|
|
struct hisi_sas_status_buffer status_buffer;
|
|
union hisi_sas_command_table command_header;
|
|
struct hisi_sas_sge_page sge_page;
|
|
};
|
|
|
|
extern struct scsi_transport_template *hisi_sas_stt;
|
|
extern struct scsi_host_template *hisi_sas_sht;
|
|
|
|
extern void hisi_sas_stop_phys(struct hisi_hba *hisi_hba);
|
|
extern void hisi_sas_init_add(struct hisi_hba *hisi_hba);
|
|
extern int hisi_sas_alloc(struct hisi_hba *hisi_hba, struct Scsi_Host *shost);
|
|
extern void hisi_sas_free(struct hisi_hba *hisi_hba);
|
|
extern u8 hisi_sas_get_ata_protocol(u8 cmd, int direction);
|
|
extern struct hisi_sas_port *to_hisi_sas_port(struct asd_sas_port *sas_port);
|
|
extern void hisi_sas_sata_done(struct sas_task *task,
|
|
struct hisi_sas_slot *slot);
|
|
extern int hisi_sas_get_ncq_tag(struct sas_task *task, u32 *tag);
|
|
extern int hisi_sas_get_fw_info(struct hisi_hba *hisi_hba);
|
|
extern int hisi_sas_probe(struct platform_device *pdev,
|
|
const struct hisi_sas_hw *ops);
|
|
extern int hisi_sas_remove(struct platform_device *pdev);
|
|
|
|
extern void hisi_sas_phy_down(struct hisi_hba *hisi_hba, int phy_no, int rdy);
|
|
extern void hisi_sas_slot_task_free(struct hisi_hba *hisi_hba,
|
|
struct sas_task *task,
|
|
struct hisi_sas_slot *slot);
|
|
extern void hisi_sas_init_mem(struct hisi_hba *hisi_hba);
|
|
#endif
|