| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Andy Yan | 1398 | 62.66% | 2 | 9.52% |
| Jeff Garzik | 493 | 22.10% | 1 | 4.76% |
| Xiangliang Yu | 244 | 10.94% | 11 | 52.38% |
| Wilfried Weissmann | 49 | 2.20% | 1 | 4.76% |
| Srinivas | 36 | 1.61% | 1 | 4.76% |
| James Bottomley | 5 | 0.22% | 2 | 9.52% |
| Tejun Heo | 3 | 0.13% | 1 | 4.76% |
| Thomas Gleixner | 2 | 0.09% | 1 | 4.76% |
| Xi Wang | 1 | 0.04% | 1 | 4.76% |
| Total | 2231 | 21 |
/* SPDX-License-Identifier: GPL-2.0-only */ /* * Marvell 88SE64xx/88SE94xx main function head file * * Copyright 2007 Red Hat, Inc. * Copyright 2008 Marvell. <kewei@marvell.com> * Copyright 2009-2011 Marvell. <yuxiangl@marvell.com> */ #ifndef _MV_SAS_H_ #define _MV_SAS_H_ #include <linux/kernel.h> #include <linux/module.h> #include <linux/spinlock.h> #include <linux/delay.h> #include <linux/types.h> #include <linux/ctype.h> #include <linux/dma-mapping.h> #include <linux/pci.h> #include <linux/platform_device.h> #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/slab.h> #include <linux/vmalloc.h> #include <asm/unaligned.h> #include <scsi/libsas.h> #include <scsi/scsi.h> #include <scsi/scsi_tcq.h> #include <scsi/sas_ata.h> #include "mv_defs.h" #define DRV_NAME "mvsas" #define DRV_VERSION "0.8.16" #define MVS_ID_NOT_MAPPED 0x7f #define WIDE_PORT_MAX_PHY 4 #define mv_printk(fmt, arg ...) \ printk(KERN_DEBUG"%s %d:" fmt, __FILE__, __LINE__, ## arg) #ifdef MV_DEBUG #define mv_dprintk(format, arg...) \ printk(KERN_DEBUG"%s %d:" format, __FILE__, __LINE__, ## arg) #else #define mv_dprintk(format, arg...) #endif #define MV_MAX_U32 0xffffffff extern int interrupt_coalescing; extern struct mvs_tgt_initiator mvs_tgt; extern struct mvs_info *tgt_mvi; extern const struct mvs_dispatch mvs_64xx_dispatch; extern const struct mvs_dispatch mvs_94xx_dispatch; #define DEV_IS_EXPANDER(type) \ ((type == SAS_EDGE_EXPANDER_DEVICE) || (type == SAS_FANOUT_EXPANDER_DEVICE)) #define bit(n) ((u64)1 << n) #define for_each_phy(__lseq_mask, __mc, __lseq) \ for ((__mc) = (__lseq_mask), (__lseq) = 0; \ (__mc) != 0 ; \ (++__lseq), (__mc) >>= 1) #define MVS_PHY_ID (1U << sas_phy->id) #define MV_INIT_DELAYED_WORK(w, f, d) INIT_DELAYED_WORK(w, f) #define UNASSOC_D2H_FIS(id) \ ((void *) mvi->rx_fis + 0x100 * id) #define SATA_RECEIVED_FIS_LIST(reg_set) \ ((void *) mvi->rx_fis + mvi->chip->fis_offs + 0x100 * reg_set) #define SATA_RECEIVED_SDB_FIS(reg_set) \ (SATA_RECEIVED_FIS_LIST(reg_set) + 0x58) #define SATA_RECEIVED_D2H_FIS(reg_set) \ (SATA_RECEIVED_FIS_LIST(reg_set) + 0x40) #define SATA_RECEIVED_PIO_FIS(reg_set) \ (SATA_RECEIVED_FIS_LIST(reg_set) + 0x20) #define SATA_RECEIVED_DMA_FIS(reg_set) \ (SATA_RECEIVED_FIS_LIST(reg_set) + 0x00) enum dev_status { MVS_DEV_NORMAL = 0x0, MVS_DEV_EH = 0x1, }; enum dev_reset { MVS_SOFT_RESET = 0, MVS_HARD_RESET = 1, MVS_PHY_TUNE = 2, }; struct mvs_info; struct mvs_prv_info; struct mvs_dispatch { char *name; int (*chip_init)(struct mvs_info *mvi); int (*spi_init)(struct mvs_info *mvi); int (*chip_ioremap)(struct mvs_info *mvi); void (*chip_iounmap)(struct mvs_info *mvi); irqreturn_t (*isr)(struct mvs_info *mvi, int irq, u32 stat); u32 (*isr_status)(struct mvs_info *mvi, int irq); void (*interrupt_enable)(struct mvs_info *mvi); void (*interrupt_disable)(struct mvs_info *mvi); u32 (*read_phy_ctl)(struct mvs_info *mvi, u32 port); void (*write_phy_ctl)(struct mvs_info *mvi, u32 port, u32 val); u32 (*read_port_cfg_data)(struct mvs_info *mvi, u32 port); void (*write_port_cfg_data)(struct mvs_info *mvi, u32 port, u32 val); void (*write_port_cfg_addr)(struct mvs_info *mvi, u32 port, u32 addr); u32 (*read_port_vsr_data)(struct mvs_info *mvi, u32 port); void (*write_port_vsr_data)(struct mvs_info *mvi, u32 port, u32 val); void (*write_port_vsr_addr)(struct mvs_info *mvi, u32 port, u32 addr); u32 (*read_port_irq_stat)(struct mvs_info *mvi, u32 port); void (*write_port_irq_stat)(struct mvs_info *mvi, u32 port, u32 val); u32 (*read_port_irq_mask)(struct mvs_info *mvi, u32 port); void (*write_port_irq_mask)(struct mvs_info *mvi, u32 port, u32 val); void (*command_active)(struct mvs_info *mvi, u32 slot_idx); void (*clear_srs_irq)(struct mvs_info *mvi, u8 reg_set, u8 clear_all); void (*issue_stop)(struct mvs_info *mvi, enum mvs_port_type type, u32 tfs); void (*start_delivery)(struct mvs_info *mvi, u32 tx); u32 (*rx_update)(struct mvs_info *mvi); void (*int_full)(struct mvs_info *mvi); u8 (*assign_reg_set)(struct mvs_info *mvi, u8 *tfs); void (*free_reg_set)(struct mvs_info *mvi, u8 *tfs); u32 (*prd_size)(void); u32 (*prd_count)(void); void (*make_prd)(struct scatterlist *scatter, int nr, void *prd); void (*detect_porttype)(struct mvs_info *mvi, int i); int (*oob_done)(struct mvs_info *mvi, int i); void (*fix_phy_info)(struct mvs_info *mvi, int i, struct sas_identify_frame *id); void (*phy_work_around)(struct mvs_info *mvi, int i); void (*phy_set_link_rate)(struct mvs_info *mvi, u32 phy_id, struct sas_phy_linkrates *rates); u32 (*phy_max_link_rate)(void); void (*phy_disable)(struct mvs_info *mvi, u32 phy_id); void (*phy_enable)(struct mvs_info *mvi, u32 phy_id); void (*phy_reset)(struct mvs_info *mvi, u32 phy_id, int hard); void (*stp_reset)(struct mvs_info *mvi, u32 phy_id); void (*clear_active_cmds)(struct mvs_info *mvi); u32 (*spi_read_data)(struct mvs_info *mvi); void (*spi_write_data)(struct mvs_info *mvi, u32 data); int (*spi_buildcmd)(struct mvs_info *mvi, u32 *dwCmd, u8 cmd, u8 read, u8 length, u32 addr ); int (*spi_issuecmd)(struct mvs_info *mvi, u32 cmd); int (*spi_waitdataready)(struct mvs_info *mvi, u32 timeout); void (*dma_fix)(struct mvs_info *mvi, u32 phy_mask, int buf_len, int from, void *prd); void (*tune_interrupt)(struct mvs_info *mvi, u32 time); void (*non_spec_ncq_error)(struct mvs_info *mvi); int (*gpio_write)(struct mvs_prv_info *mvs_prv, u8 reg_type, u8 reg_index, u8 reg_count, u8 *write_data); }; struct mvs_chip_info { u32 n_host; u32 n_phy; u32 fis_offs; u32 fis_count; u32 srs_sz; u32 sg_width; u32 slot_width; const struct mvs_dispatch *dispatch; }; #define MVS_MAX_SG (1U << mvi->chip->sg_width) #define MVS_CHIP_SLOT_SZ (1U << mvi->chip->slot_width) #define MVS_RX_FISL_SZ \ (mvi->chip->fis_offs + (mvi->chip->fis_count * 0x100)) #define MVS_CHIP_DISP (mvi->chip->dispatch) struct mvs_err_info { __le32 flags; __le32 flags2; }; struct mvs_cmd_hdr { __le32 flags; /* PRD tbl len; SAS, SATA ctl */ __le32 lens; /* cmd, max resp frame len */ __le32 tags; /* targ port xfer tag; tag */ __le32 data_len; /* data xfer len */ __le64 cmd_tbl; /* command table address */ __le64 open_frame; /* open addr frame address */ __le64 status_buf; /* status buffer address */ __le64 prd_tbl; /* PRD tbl address */ __le32 reserved[4]; }; struct mvs_port { struct asd_sas_port sas_port; u8 port_attached; u8 wide_port_phymap; struct list_head list; }; struct mvs_phy { struct mvs_info *mvi; struct mvs_port *port; struct asd_sas_phy sas_phy; struct sas_identify identify; struct scsi_device *sdev; struct timer_list timer; u64 dev_sas_addr; u64 att_dev_sas_addr; u32 att_dev_info; u32 dev_info; u32 phy_type; u32 phy_status; u32 irq_status; u32 frame_rcvd_size; u8 frame_rcvd[32]; u8 phy_attached; u8 phy_mode; u8 reserved[2]; u32 phy_event; enum sas_linkrate minimum_linkrate; enum sas_linkrate maximum_linkrate; }; struct mvs_device { struct list_head dev_entry; enum sas_device_type dev_type; struct mvs_info *mvi_info; struct domain_device *sas_device; u32 attached_phy; u32 device_id; u32 running_req; u8 taskfileset; u8 dev_status; u16 reserved; }; /* Generate PHY tunning parameters */ struct phy_tuning { /* 1 bit, transmitter emphasis enable */ u8 trans_emp_en:1; /* 4 bits, transmitter emphasis amplitude */ u8 trans_emp_amp:4; /* 3 bits, reserved space */ u8 Reserved_2bit_1:3; /* 5 bits, transmitter amplitude */ u8 trans_amp:5; /* 2 bits, transmitter amplitude adjust */ u8 trans_amp_adj:2; /* 1 bit, reserved space */ u8 resv_2bit_2:1; /* 2 bytes, reserved space */ u8 reserved[2]; }; struct ffe_control { /* 4 bits, FFE Capacitor Select (value range 0~F) */ u8 ffe_cap_sel:4; /* 3 bits, FFE Resistor Select (value range 0~7) */ u8 ffe_rss_sel:3; /* 1 bit reserve*/ u8 reserved:1; }; /* * HBA_Info_Page is saved in Flash/NVRAM, total 256 bytes. * The data area is valid only Signature="MRVL". * If any member fills with 0xFF, the member is invalid. */ struct hba_info_page { /* Dword 0 */ /* 4 bytes, structure signature,should be "MRVL" at first initial */ u8 signature[4]; /* Dword 1-13 */ u32 reserved1[13]; /* Dword 14-29 */ /* 64 bytes, SAS address for each port */ u64 sas_addr[8]; /* Dword 30-31 */ /* 8 bytes for vanir 8 port PHY FFE seeting * BIT 0~3 : FFE Capacitor select(value range 0~F) * BIT 4~6 : FFE Resistor select(value range 0~7) * BIT 7: reserve. */ struct ffe_control ffe_ctl[8]; /* Dword 32 -43 */ u32 reserved2[12]; /* Dword 44-45 */ /* 8 bytes, 0: 1.5G, 1: 3.0G, should be 0x01 at first initial */ u8 phy_rate[8]; /* Dword 46-53 */ /* 32 bytes, PHY tuning parameters for each PHY*/ struct phy_tuning phy_tuning[8]; /* Dword 54-63 */ u32 reserved3[10]; }; /* total 256 bytes */ struct mvs_slot_info { struct list_head entry; union { struct sas_task *task; void *tdata; }; u32 n_elem; u32 tx; u32 slot_tag; /* DMA buffer for storing cmd tbl, open addr frame, status buffer, * and PRD table */ void *buf; dma_addr_t buf_dma; void *response; struct mvs_port *port; struct mvs_device *device; void *open_frame; }; struct mvs_info { unsigned long flags; /* host-wide lock */ spinlock_t lock; /* our device */ struct pci_dev *pdev; struct device *dev; /* enhanced mode registers */ void __iomem *regs; /* peripheral or soc registers */ void __iomem *regs_ex; u8 sas_addr[SAS_ADDR_SIZE]; /* SCSI/SAS glue */ struct sas_ha_struct *sas; struct Scsi_Host *shost; /* TX (delivery) DMA ring */ __le32 *tx; dma_addr_t tx_dma; /* cached next-producer idx */ u32 tx_prod; /* RX (completion) DMA ring */ __le32 *rx; dma_addr_t rx_dma; /* RX consumer idx */ u32 rx_cons; /* RX'd FIS area */ __le32 *rx_fis; dma_addr_t rx_fis_dma; /* DMA command header slots */ struct mvs_cmd_hdr *slot; dma_addr_t slot_dma; u32 chip_id; const struct mvs_chip_info *chip; int tags_num; unsigned long *tags; /* further per-slot information */ struct mvs_phy phy[MVS_MAX_PHYS]; struct mvs_port port[MVS_MAX_PHYS]; u32 id; u64 sata_reg_set; struct list_head *hba_list; struct list_head soc_entry; struct list_head wq_list; unsigned long instance; u16 flashid; u32 flashsize; u32 flashsectSize; void *addon; struct hba_info_page hba_info_param; struct mvs_device devices[MVS_MAX_DEVICES]; void *bulk_buffer; dma_addr_t bulk_buffer_dma; void *bulk_buffer1; dma_addr_t bulk_buffer_dma1; #define TRASH_BUCKET_SIZE 0x20000 void *dma_pool; struct mvs_slot_info slot_info[0]; }; struct mvs_prv_info{ u8 n_host; u8 n_phy; u8 scan_finished; u8 reserve; struct mvs_info *mvi[2]; struct tasklet_struct mv_tasklet; }; struct mvs_wq { struct delayed_work work_q; struct mvs_info *mvi; void *data; int handler; struct list_head entry; }; struct mvs_task_exec_info { struct sas_task *task; struct mvs_cmd_hdr *hdr; struct mvs_port *port; u32 tag; int n_elem; }; /******************** function prototype *********************/ void mvs_get_sas_addr(void *buf, u32 buflen); void mvs_tag_clear(struct mvs_info *mvi, u32 tag); void mvs_tag_free(struct mvs_info *mvi, u32 tag); void mvs_tag_set(struct mvs_info *mvi, unsigned int tag); int mvs_tag_alloc(struct mvs_info *mvi, u32 *tag_out); void mvs_tag_init(struct mvs_info *mvi); void mvs_iounmap(void __iomem *regs); int mvs_ioremap(struct mvs_info *mvi, int bar, int bar_ex); void mvs_phys_reset(struct mvs_info *mvi, u32 phy_mask, int hard); int mvs_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func, void *funcdata); void mvs_set_sas_addr(struct mvs_info *mvi, int port_id, u32 off_lo, u32 off_hi, u64 sas_addr); void mvs_scan_start(struct Scsi_Host *shost); int mvs_scan_finished(struct Scsi_Host *shost, unsigned long time); int mvs_queue_command(struct sas_task *task, gfp_t gfp_flags); int mvs_abort_task(struct sas_task *task); int mvs_abort_task_set(struct domain_device *dev, u8 *lun); int mvs_clear_aca(struct domain_device *dev, u8 *lun); int mvs_clear_task_set(struct domain_device *dev, u8 * lun); void mvs_port_formed(struct asd_sas_phy *sas_phy); void mvs_port_deformed(struct asd_sas_phy *sas_phy); int mvs_dev_found(struct domain_device *dev); void mvs_dev_gone(struct domain_device *dev); int mvs_lu_reset(struct domain_device *dev, u8 *lun); int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags); int mvs_I_T_nexus_reset(struct domain_device *dev); int mvs_query_task(struct sas_task *task); void mvs_release_task(struct mvs_info *mvi, struct domain_device *dev); void mvs_do_release_task(struct mvs_info *mvi, int phy_no, struct domain_device *dev); void mvs_int_port(struct mvs_info *mvi, int phy_no, u32 events); void mvs_update_phyinfo(struct mvs_info *mvi, int i, int get_st); int mvs_int_rx(struct mvs_info *mvi, bool self_clear); struct mvs_device *mvs_find_dev_by_reg_set(struct mvs_info *mvi, u8 reg_set); int mvs_gpio_write(struct sas_ha_struct *, u8 reg_type, u8 reg_index, u8 reg_count, u8 *write_data); #endif
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