cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
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pm8001_sas.h (25494B)


      1/*
      2 * PMC-Sierra PM8001/8081/8088/8089 SAS/SATA based host adapters driver
      3 *
      4 * Copyright (c) 2008-2009 USI Co., Ltd.
      5 * All rights reserved.
      6 *
      7 * Redistribution and use in source and binary forms, with or without
      8 * modification, are permitted provided that the following conditions
      9 * are met:
     10 * 1. Redistributions of source code must retain the above copyright
     11 *    notice, this list of conditions, and the following disclaimer,
     12 *    without modification.
     13 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
     14 *    substantially similar to the "NO WARRANTY" disclaimer below
     15 *    ("Disclaimer") and any redistribution must be conditioned upon
     16 *    including a substantially similar Disclaimer requirement for further
     17 *    binary redistribution.
     18 * 3. Neither the names of the above-listed copyright holders nor the names
     19 *    of any contributors may be used to endorse or promote products derived
     20 *    from this software without specific prior written permission.
     21 *
     22 * Alternatively, this software may be distributed under the terms of the
     23 * GNU General Public License ("GPL") version 2 as published by the Free
     24 * Software Foundation.
     25 *
     26 * NO WARRANTY
     27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     28 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
     30 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     31 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     35 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
     36 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     37 * POSSIBILITY OF SUCH DAMAGES.
     38 *
     39 */
     40
     41#ifndef _PM8001_SAS_H_
     42#define _PM8001_SAS_H_
     43
     44#include <linux/kernel.h>
     45#include <linux/module.h>
     46#include <linux/spinlock.h>
     47#include <linux/delay.h>
     48#include <linux/types.h>
     49#include <linux/ctype.h>
     50#include <linux/dma-mapping.h>
     51#include <linux/pci.h>
     52#include <linux/interrupt.h>
     53#include <linux/workqueue.h>
     54#include <scsi/libsas.h>
     55#include <scsi/scsi_tcq.h>
     56#include <scsi/sas_ata.h>
     57#include <linux/atomic.h>
     58#include "pm8001_defs.h"
     59
     60#define DRV_NAME		"pm80xx"
     61#define DRV_VERSION		"0.1.40"
     62#define PM8001_FAIL_LOGGING	0x01 /* Error message logging */
     63#define PM8001_INIT_LOGGING	0x02 /* driver init logging */
     64#define PM8001_DISC_LOGGING	0x04 /* discovery layer logging */
     65#define PM8001_IO_LOGGING	0x08 /* I/O path logging */
     66#define PM8001_EH_LOGGING	0x10 /* libsas EH function logging*/
     67#define PM8001_IOCTL_LOGGING	0x20 /* IOCTL message logging */
     68#define PM8001_MSG_LOGGING	0x40 /* misc message logging */
     69#define PM8001_DEV_LOGGING	0x80 /* development message logging */
     70#define PM8001_DEVIO_LOGGING	0x100 /* development io message logging */
     71#define PM8001_IOERR_LOGGING	0x200 /* development io err message logging */
     72
     73#define pm8001_info(HBA, fmt, ...)					\
     74	pr_info("%s:: %s %d: " fmt,					\
     75		(HBA)->name, __func__, __LINE__, ##__VA_ARGS__)
     76
     77#define pm8001_dbg(HBA, level, fmt, ...)				\
     78do {									\
     79	if (unlikely((HBA)->logging_level & PM8001_##level##_LOGGING))	\
     80		pm8001_info(HBA, fmt, ##__VA_ARGS__);			\
     81} while (0)
     82
     83#define PM8001_USE_TASKLET
     84#define PM8001_USE_MSIX
     85#define PM8001_READ_VPD
     86
     87
     88#define IS_SPCV_12G(dev)	((dev->device == 0X8074)		\
     89				|| (dev->device == 0X8076)		\
     90				|| (dev->device == 0X8077)		\
     91				|| (dev->device == 0X8070)		\
     92				|| (dev->device == 0X8072))
     93
     94#define PM8001_NAME_LENGTH		32/* generic length of strings */
     95extern struct list_head hba_list;
     96extern const struct pm8001_dispatch pm8001_8001_dispatch;
     97extern const struct pm8001_dispatch pm8001_80xx_dispatch;
     98
     99struct pm8001_hba_info;
    100struct pm8001_ccb_info;
    101struct pm8001_device;
    102
    103struct pm8001_ioctl_payload {
    104	u32	signature;
    105	u16	major_function;
    106	u16	minor_function;
    107	u16	status;
    108	u16	offset;
    109	u16	id;
    110	u32	wr_length;
    111	u32	rd_length;
    112	u8	*func_specific;
    113};
    114
    115#define MPI_FATAL_ERROR_TABLE_OFFSET_MASK 0xFFFFFF
    116#define MPI_FATAL_ERROR_TABLE_SIZE(value) ((0xFF000000 & value) >> SHIFT24)
    117#define MPI_FATAL_EDUMP_TABLE_LO_OFFSET            0x00     /* HNFBUFL */
    118#define MPI_FATAL_EDUMP_TABLE_HI_OFFSET            0x04     /* HNFBUFH */
    119#define MPI_FATAL_EDUMP_TABLE_LENGTH               0x08     /* HNFBLEN */
    120#define MPI_FATAL_EDUMP_TABLE_HANDSHAKE            0x0C     /* FDDHSHK */
    121#define MPI_FATAL_EDUMP_TABLE_STATUS               0x10     /* FDDTSTAT */
    122#define MPI_FATAL_EDUMP_TABLE_ACCUM_LEN            0x14     /* ACCDDLEN */
    123#define MPI_FATAL_EDUMP_TABLE_TOTAL_LEN		   0x18	    /* TOTALLEN */
    124#define MPI_FATAL_EDUMP_TABLE_SIGNATURE		   0x1C     /* SIGNITURE */
    125#define MPI_FATAL_EDUMP_HANDSHAKE_RDY              0x1
    126#define MPI_FATAL_EDUMP_HANDSHAKE_BUSY             0x0
    127#define MPI_FATAL_EDUMP_TABLE_STAT_RSVD                 0x0
    128#define MPI_FATAL_EDUMP_TABLE_STAT_DMA_FAILED           0x1
    129#define MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_MORE_DATA 0x2
    130#define MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE      0x3
    131#define TYPE_GSM_SPACE        1
    132#define TYPE_QUEUE            2
    133#define TYPE_FATAL            3
    134#define TYPE_NON_FATAL        4
    135#define TYPE_INBOUND          1
    136#define TYPE_OUTBOUND         2
    137struct forensic_data {
    138	u32  data_type;
    139	union {
    140		struct {
    141			u32  direct_len;
    142			u32  direct_offset;
    143			void  *direct_data;
    144		} gsm_buf;
    145		struct {
    146			u16  queue_type;
    147			u16  queue_index;
    148			u32  direct_len;
    149			void  *direct_data;
    150		} queue_buf;
    151		struct {
    152			u32  direct_len;
    153			u32  direct_offset;
    154			u32  read_len;
    155			void  *direct_data;
    156		} data_buf;
    157	};
    158};
    159
    160/* bit31-26 - mask bar */
    161#define SCRATCH_PAD0_BAR_MASK                    0xFC000000
    162/* bit25-0  - offset mask */
    163#define SCRATCH_PAD0_OFFSET_MASK                 0x03FFFFFF
    164/* if AAP error state */
    165#define SCRATCH_PAD0_AAPERR_MASK                 0xFFFFFFFF
    166/* Inbound doorbell bit7 */
    167#define SPCv_MSGU_CFG_TABLE_NONFATAL_DUMP	 0x80
    168/* Inbound doorbell bit7 SPCV */
    169#define SPCV_MSGU_CFG_TABLE_TRANSFER_DEBUG_INFO  0x80
    170#define MAIN_MERRDCTO_MERRDCES		         0xA0/* DWORD 0x28) */
    171
    172struct pm8001_dispatch {
    173	char *name;
    174	int (*chip_init)(struct pm8001_hba_info *pm8001_ha);
    175	int (*chip_soft_rst)(struct pm8001_hba_info *pm8001_ha);
    176	void (*chip_rst)(struct pm8001_hba_info *pm8001_ha);
    177	int (*chip_ioremap)(struct pm8001_hba_info *pm8001_ha);
    178	void (*chip_iounmap)(struct pm8001_hba_info *pm8001_ha);
    179	irqreturn_t (*isr)(struct pm8001_hba_info *pm8001_ha, u8 vec);
    180	u32 (*is_our_interrupt)(struct pm8001_hba_info *pm8001_ha);
    181	int (*isr_process_oq)(struct pm8001_hba_info *pm8001_ha, u8 vec);
    182	void (*interrupt_enable)(struct pm8001_hba_info *pm8001_ha, u8 vec);
    183	void (*interrupt_disable)(struct pm8001_hba_info *pm8001_ha, u8 vec);
    184	void (*make_prd)(struct scatterlist *scatter, int nr, void *prd);
    185	int (*smp_req)(struct pm8001_hba_info *pm8001_ha,
    186		struct pm8001_ccb_info *ccb);
    187	int (*ssp_io_req)(struct pm8001_hba_info *pm8001_ha,
    188		struct pm8001_ccb_info *ccb);
    189	int (*sata_req)(struct pm8001_hba_info *pm8001_ha,
    190		struct pm8001_ccb_info *ccb);
    191	int (*phy_start_req)(struct pm8001_hba_info *pm8001_ha,	u8 phy_id);
    192	int (*phy_stop_req)(struct pm8001_hba_info *pm8001_ha, u8 phy_id);
    193	int (*reg_dev_req)(struct pm8001_hba_info *pm8001_ha,
    194		struct pm8001_device *pm8001_dev, u32 flag);
    195	int (*dereg_dev_req)(struct pm8001_hba_info *pm8001_ha, u32 device_id);
    196	int (*phy_ctl_req)(struct pm8001_hba_info *pm8001_ha,
    197		u32 phy_id, u32 phy_op);
    198	int (*task_abort)(struct pm8001_hba_info *pm8001_ha,
    199		struct pm8001_ccb_info *ccb);
    200	int (*ssp_tm_req)(struct pm8001_hba_info *pm8001_ha,
    201		struct pm8001_ccb_info *ccb, struct sas_tmf_task *tmf);
    202	int (*get_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload);
    203	int (*set_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload);
    204	int (*fw_flash_update_req)(struct pm8001_hba_info *pm8001_ha,
    205		void *payload);
    206	int (*set_dev_state_req)(struct pm8001_hba_info *pm8001_ha,
    207		struct pm8001_device *pm8001_dev, u32 state);
    208	int (*sas_diag_start_end_req)(struct pm8001_hba_info *pm8001_ha,
    209		u32 state);
    210	int (*sas_diag_execute_req)(struct pm8001_hba_info *pm8001_ha,
    211		u32 state);
    212	int (*sas_re_init_req)(struct pm8001_hba_info *pm8001_ha);
    213	int (*fatal_errors)(struct pm8001_hba_info *pm8001_ha);
    214	void (*hw_event_ack_req)(struct pm8001_hba_info *pm8001_ha,
    215		u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0,
    216		u32 param1);
    217};
    218
    219struct pm8001_chip_info {
    220	u32     encrypt;
    221	u32	n_phy;
    222	const struct pm8001_dispatch	*dispatch;
    223};
    224#define PM8001_CHIP_DISP	(pm8001_ha->chip->dispatch)
    225
    226struct pm8001_port {
    227	struct asd_sas_port	sas_port;
    228	u8			port_attached;
    229	u16			wide_port_phymap;
    230	u8			port_state;
    231	u8			port_id;
    232	struct list_head	list;
    233};
    234
    235struct pm8001_phy {
    236	struct pm8001_hba_info	*pm8001_ha;
    237	struct pm8001_port	*port;
    238	struct asd_sas_phy	sas_phy;
    239	struct sas_identify	identify;
    240	struct scsi_device	*sdev;
    241	u64			dev_sas_addr;
    242	u32			phy_type;
    243	struct completion	*enable_completion;
    244	u32			frame_rcvd_size;
    245	u8			frame_rcvd[32];
    246	u8			phy_attached;
    247	u8			phy_state;
    248	enum sas_linkrate	minimum_linkrate;
    249	enum sas_linkrate	maximum_linkrate;
    250	struct completion	*reset_completion;
    251	bool			port_reset_status;
    252	bool			reset_success;
    253};
    254
    255/* port reset status */
    256#define PORT_RESET_SUCCESS	0x00
    257#define PORT_RESET_TMO		0x01
    258
    259struct pm8001_device {
    260	enum sas_device_type	dev_type;
    261	struct domain_device	*sas_device;
    262	u32			attached_phy;
    263	u32			id;
    264	struct completion	*dcompletion;
    265	struct completion	*setds_completion;
    266	u32			device_id;
    267	atomic_t		running_req;
    268};
    269
    270struct pm8001_prd_imt {
    271	__le32			len;
    272	__le32			e;
    273};
    274
    275struct pm8001_prd {
    276	__le64			addr;		/* 64-bit buffer address */
    277	struct pm8001_prd_imt	im_len;		/* 64-bit length */
    278} __attribute__ ((packed));
    279/*
    280 * CCB(Command Control Block)
    281 */
    282struct pm8001_ccb_info {
    283	struct sas_task		*task;
    284	u32			n_elem;
    285	u32			ccb_tag;
    286	dma_addr_t		ccb_dma_handle;
    287	struct pm8001_device	*device;
    288	struct pm8001_prd	*buf_prd;
    289	struct fw_control_ex	*fw_control_context;
    290	u8			open_retry;
    291};
    292
    293struct mpi_mem {
    294	void			*virt_ptr;
    295	dma_addr_t		phys_addr;
    296	u32			phys_addr_hi;
    297	u32			phys_addr_lo;
    298	u32			total_len;
    299	u32			num_elements;
    300	u32			element_size;
    301	u32			alignment;
    302};
    303
    304struct mpi_mem_req {
    305	/* The number of element in the  mpiMemory array */
    306	u32			count;
    307	/* The array of structures that define memroy regions*/
    308	struct mpi_mem		region[USI_MAX_MEMCNT];
    309};
    310
    311struct encrypt {
    312	u32	cipher_mode;
    313	u32	sec_mode;
    314	u32	status;
    315	u32	flag;
    316};
    317
    318struct sas_phy_attribute_table {
    319	u32	phystart1_16[16];
    320	u32	outbound_hw_event_pid1_16[16];
    321};
    322
    323union main_cfg_table {
    324	struct {
    325	u32			signature;
    326	u32			interface_rev;
    327	u32			firmware_rev;
    328	u32			max_out_io;
    329	u32			max_sgl;
    330	u32			ctrl_cap_flag;
    331	u32			gst_offset;
    332	u32			inbound_queue_offset;
    333	u32			outbound_queue_offset;
    334	u32			inbound_q_nppd_hppd;
    335	u32			outbound_hw_event_pid0_3;
    336	u32			outbound_hw_event_pid4_7;
    337	u32			outbound_ncq_event_pid0_3;
    338	u32			outbound_ncq_event_pid4_7;
    339	u32			outbound_tgt_ITNexus_event_pid0_3;
    340	u32			outbound_tgt_ITNexus_event_pid4_7;
    341	u32			outbound_tgt_ssp_event_pid0_3;
    342	u32			outbound_tgt_ssp_event_pid4_7;
    343	u32			outbound_tgt_smp_event_pid0_3;
    344	u32			outbound_tgt_smp_event_pid4_7;
    345	u32			upper_event_log_addr;
    346	u32			lower_event_log_addr;
    347	u32			event_log_size;
    348	u32			event_log_option;
    349	u32			upper_iop_event_log_addr;
    350	u32			lower_iop_event_log_addr;
    351	u32			iop_event_log_size;
    352	u32			iop_event_log_option;
    353	u32			fatal_err_interrupt;
    354	u32			fatal_err_dump_offset0;
    355	u32			fatal_err_dump_length0;
    356	u32			fatal_err_dump_offset1;
    357	u32			fatal_err_dump_length1;
    358	u32			hda_mode_flag;
    359	u32			anolog_setup_table_offset;
    360	u32			rsvd[4];
    361	} pm8001_tbl;
    362
    363	struct {
    364	u32			signature;
    365	u32			interface_rev;
    366	u32			firmware_rev;
    367	u32			max_out_io;
    368	u32			max_sgl;
    369	u32			ctrl_cap_flag;
    370	u32			gst_offset;
    371	u32			inbound_queue_offset;
    372	u32			outbound_queue_offset;
    373	u32			inbound_q_nppd_hppd;
    374	u32			rsvd[8];
    375	u32			crc_core_dump;
    376	u32			rsvd1;
    377	u32			upper_event_log_addr;
    378	u32			lower_event_log_addr;
    379	u32			event_log_size;
    380	u32			event_log_severity;
    381	u32			upper_pcs_event_log_addr;
    382	u32			lower_pcs_event_log_addr;
    383	u32			pcs_event_log_size;
    384	u32			pcs_event_log_severity;
    385	u32			fatal_err_interrupt;
    386	u32			fatal_err_dump_offset0;
    387	u32			fatal_err_dump_length0;
    388	u32			fatal_err_dump_offset1;
    389	u32			fatal_err_dump_length1;
    390	u32			gpio_led_mapping;
    391	u32			analog_setup_table_offset;
    392	u32			int_vec_table_offset;
    393	u32			phy_attr_table_offset;
    394	u32			port_recovery_timer;
    395	u32			interrupt_reassertion_delay;
    396	u32			fatal_n_non_fatal_dump;	        /* 0x28 */
    397	u32			ila_version;
    398	u32			inc_fw_version;
    399	} pm80xx_tbl;
    400};
    401
    402union general_status_table {
    403	struct {
    404	u32			gst_len_mpistate;
    405	u32			iq_freeze_state0;
    406	u32			iq_freeze_state1;
    407	u32			msgu_tcnt;
    408	u32			iop_tcnt;
    409	u32			rsvd;
    410	u32			phy_state[8];
    411	u32			gpio_input_val;
    412	u32			rsvd1[2];
    413	u32			recover_err_info[8];
    414	} pm8001_tbl;
    415	struct {
    416	u32			gst_len_mpistate;
    417	u32			iq_freeze_state0;
    418	u32			iq_freeze_state1;
    419	u32			msgu_tcnt;
    420	u32			iop_tcnt;
    421	u32			rsvd[9];
    422	u32			gpio_input_val;
    423	u32			rsvd1[2];
    424	u32			recover_err_info[8];
    425	} pm80xx_tbl;
    426};
    427struct inbound_queue_table {
    428	u32			element_pri_size_cnt;
    429	u32			upper_base_addr;
    430	u32			lower_base_addr;
    431	u32			ci_upper_base_addr;
    432	u32			ci_lower_base_addr;
    433	u32			pi_pci_bar;
    434	u32			pi_offset;
    435	u32			total_length;
    436	void			*base_virt;
    437	void			*ci_virt;
    438	u32			reserved;
    439	__le32			consumer_index;
    440	u32			producer_idx;
    441	spinlock_t		iq_lock;
    442};
    443struct outbound_queue_table {
    444	u32			element_size_cnt;
    445	u32			upper_base_addr;
    446	u32			lower_base_addr;
    447	void			*base_virt;
    448	u32			pi_upper_base_addr;
    449	u32			pi_lower_base_addr;
    450	u32			ci_pci_bar;
    451	u32			ci_offset;
    452	u32			total_length;
    453	void			*pi_virt;
    454	u32			interrup_vec_cnt_delay;
    455	u32			dinterrup_to_pci_offset;
    456	__le32			producer_index;
    457	u32			consumer_idx;
    458	spinlock_t		oq_lock;
    459	unsigned long		lock_flags;
    460};
    461struct pm8001_hba_memspace {
    462	void __iomem  		*memvirtaddr;
    463	u64			membase;
    464	u32			memsize;
    465};
    466struct isr_param {
    467	struct pm8001_hba_info *drv_inst;
    468	u32 irq_id;
    469};
    470struct pm8001_hba_info {
    471	char			name[PM8001_NAME_LENGTH];
    472	struct list_head	list;
    473	unsigned long		flags;
    474	spinlock_t		lock;/* host-wide lock */
    475	spinlock_t		bitmap_lock;
    476	struct pci_dev		*pdev;/* our device */
    477	struct device		*dev;
    478	struct pm8001_hba_memspace io_mem[6];
    479	struct mpi_mem_req	memoryMap;
    480	struct encrypt		encrypt_info; /* support encryption */
    481	struct forensic_data	forensic_info;
    482	u32			fatal_bar_loc;
    483	u32			forensic_last_offset;
    484	u32			fatal_forensic_shift_offset;
    485	u32			forensic_fatal_step;
    486	u32			forensic_preserved_accumulated_transfer;
    487	u32			evtlog_ib_offset;
    488	u32			evtlog_ob_offset;
    489	void __iomem	*msg_unit_tbl_addr;/*Message Unit Table Addr*/
    490	void __iomem	*main_cfg_tbl_addr;/*Main Config Table Addr*/
    491	void __iomem	*general_stat_tbl_addr;/*General Status Table Addr*/
    492	void __iomem	*inbnd_q_tbl_addr;/*Inbound Queue Config Table Addr*/
    493	void __iomem	*outbnd_q_tbl_addr;/*Outbound Queue Config Table Addr*/
    494	void __iomem	*pspa_q_tbl_addr;
    495			/*MPI SAS PHY attributes Queue Config Table Addr*/
    496	void __iomem	*ivt_tbl_addr; /*MPI IVT Table Addr */
    497	void __iomem	*fatal_tbl_addr; /*MPI IVT Table Addr */
    498	union main_cfg_table	main_cfg_tbl;
    499	union general_status_table	gs_tbl;
    500	struct inbound_queue_table	inbnd_q_tbl[PM8001_MAX_INB_NUM];
    501	struct outbound_queue_table	outbnd_q_tbl[PM8001_MAX_OUTB_NUM];
    502	struct sas_phy_attribute_table	phy_attr_table;
    503					/* MPI SAS PHY attributes */
    504	u8			sas_addr[SAS_ADDR_SIZE];
    505	struct sas_ha_struct	*sas;/* SCSI/SAS glue */
    506	struct Scsi_Host	*shost;
    507	u32			chip_id;
    508	const struct pm8001_chip_info	*chip;
    509	struct completion	*nvmd_completion;
    510	int			tags_num;
    511	unsigned long		*tags;
    512	struct pm8001_phy	phy[PM8001_MAX_PHYS];
    513	struct pm8001_port	port[PM8001_MAX_PHYS];
    514	u32			id;
    515	u32			irq;
    516	u32			iomb_size; /* SPC and SPCV IOMB size */
    517	struct pm8001_device	*devices;
    518	struct pm8001_ccb_info	*ccb_info;
    519	u32			ccb_count;
    520#ifdef PM8001_USE_MSIX
    521	int			number_of_intr;/*will be used in remove()*/
    522	char			intr_drvname[PM8001_MAX_MSIX_VEC]
    523				[PM8001_NAME_LENGTH+1+3+1];
    524#endif
    525#ifdef PM8001_USE_TASKLET
    526	struct tasklet_struct	tasklet[PM8001_MAX_MSIX_VEC];
    527#endif
    528	u32			logging_level;
    529	u32			link_rate;
    530	u32			fw_status;
    531	u32			smp_exp_mode;
    532	bool			controller_fatal_error;
    533	const struct firmware 	*fw_image;
    534	struct isr_param irq_vector[PM8001_MAX_MSIX_VEC];
    535	u32			reset_in_progress;
    536	u32			non_fatal_count;
    537	u32			non_fatal_read_length;
    538	u32 max_q_num;
    539	u32 ib_offset;
    540	u32 ob_offset;
    541	u32 ci_offset;
    542	u32 pi_offset;
    543	u32 max_memcnt;
    544};
    545
    546struct pm8001_work {
    547	struct work_struct work;
    548	struct pm8001_hba_info *pm8001_ha;
    549	void *data;
    550	int handler;
    551};
    552
    553struct pm8001_fw_image_header {
    554	u8 vender_id[8];
    555	u8 product_id;
    556	u8 hardware_rev;
    557	u8 dest_partition;
    558	u8 reserved;
    559	u8 fw_rev[4];
    560	__be32  image_length;
    561	__be32 image_crc;
    562	__be32 startup_entry;
    563} __attribute__((packed, aligned(4)));
    564
    565
    566/**
    567 * FW Flash Update status values
    568 */
    569#define FLASH_UPDATE_COMPLETE_PENDING_REBOOT	0x00
    570#define FLASH_UPDATE_IN_PROGRESS		0x01
    571#define FLASH_UPDATE_HDR_ERR			0x02
    572#define FLASH_UPDATE_OFFSET_ERR			0x03
    573#define FLASH_UPDATE_CRC_ERR			0x04
    574#define FLASH_UPDATE_LENGTH_ERR			0x05
    575#define FLASH_UPDATE_HW_ERR			0x06
    576#define FLASH_UPDATE_DNLD_NOT_SUPPORTED		0x10
    577#define FLASH_UPDATE_DISABLED			0x11
    578
    579#define	NCQ_READ_LOG_FLAG			0x80000000
    580#define	NCQ_ABORT_ALL_FLAG			0x40000000
    581#define	NCQ_2ND_RLE_FLAG			0x20000000
    582
    583/* Device states */
    584#define DS_OPERATIONAL				0x01
    585#define DS_PORT_IN_RESET			0x02
    586#define DS_IN_RECOVERY				0x03
    587#define DS_IN_ERROR				0x04
    588#define DS_NON_OPERATIONAL			0x07
    589
    590/**
    591 * brief param structure for firmware flash update.
    592 */
    593struct fw_flash_updata_info {
    594	u32			cur_image_offset;
    595	u32			cur_image_len;
    596	u32			total_image_len;
    597	struct pm8001_prd	sgl;
    598};
    599
    600struct fw_control_info {
    601	u32			retcode;/*ret code (status)*/
    602	u32			phase;/*ret code phase*/
    603	u32			phaseCmplt;/*percent complete for the current
    604	update phase */
    605	u32			version;/*Hex encoded firmware version number*/
    606	u32			offset;/*Used for downloading firmware	*/
    607	u32			len; /*len of buffer*/
    608	u32			size;/* Used in OS VPD and Trace get size
    609	operations.*/
    610	u32			reserved;/* padding required for 64 bit
    611	alignment */
    612	u8			buffer[1];/* Start of buffer */
    613};
    614struct fw_control_ex {
    615	struct fw_control_info *fw_control;
    616	void			*buffer;/* keep buffer pointer to be
    617	freed when the response comes*/
    618	void			*virtAddr;/* keep virtual address of the data */
    619	void			*usrAddr;/* keep virtual address of the
    620	user data */
    621	dma_addr_t		phys_addr;
    622	u32			len; /* len of buffer  */
    623	void			*payload; /* pointer to IOCTL Payload */
    624	u8			inProgress;/*if 1 - the IOCTL request is in
    625	progress */
    626	void			*param1;
    627	void			*param2;
    628	void			*param3;
    629};
    630
    631/* pm8001 workqueue */
    632extern struct workqueue_struct *pm8001_wq;
    633
    634/******************** function prototype *********************/
    635int pm8001_tag_alloc(struct pm8001_hba_info *pm8001_ha, u32 *tag_out);
    636void pm8001_tag_init(struct pm8001_hba_info *pm8001_ha);
    637u32 pm8001_get_ncq_tag(struct sas_task *task, u32 *tag);
    638void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha,
    639			  struct pm8001_ccb_info *ccb);
    640int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func,
    641	void *funcdata);
    642void pm8001_scan_start(struct Scsi_Host *shost);
    643int pm8001_scan_finished(struct Scsi_Host *shost, unsigned long time);
    644int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags);
    645int pm8001_abort_task(struct sas_task *task);
    646int pm8001_clear_task_set(struct domain_device *dev, u8 *lun);
    647int pm8001_dev_found(struct domain_device *dev);
    648void pm8001_dev_gone(struct domain_device *dev);
    649int pm8001_lu_reset(struct domain_device *dev, u8 *lun);
    650int pm8001_I_T_nexus_reset(struct domain_device *dev);
    651int pm8001_I_T_nexus_event_handler(struct domain_device *dev);
    652int pm8001_query_task(struct sas_task *task);
    653void pm8001_port_formed(struct asd_sas_phy *sas_phy);
    654void pm8001_open_reject_retry(
    655	struct pm8001_hba_info *pm8001_ha,
    656	struct sas_task *task_to_close,
    657	struct pm8001_device *device_to_close);
    658int pm8001_mem_alloc(struct pci_dev *pdev, void **virt_addr,
    659	dma_addr_t *pphys_addr, u32 *pphys_addr_hi, u32 *pphys_addr_lo,
    660	u32 mem_size, u32 align);
    661
    662void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha);
    663int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
    664			u32 q_index, u32 opCode, void *payload, size_t nb,
    665			u32 responseQueue);
    666int pm8001_mpi_msg_free_get(struct inbound_queue_table *circularQ,
    667				u16 messageSize, void **messagePtr);
    668u32 pm8001_mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
    669			struct outbound_queue_table *circularQ, u8 bc);
    670u32 pm8001_mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
    671			struct outbound_queue_table *circularQ,
    672			void **messagePtr1, u8 *pBC);
    673int pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
    674			struct pm8001_device *pm8001_dev, u32 state);
    675int pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
    676					void *payload);
    677int pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha,
    678					void *fw_flash_updata_info, u32 tag);
    679int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha, void *payload);
    680int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha, void *payload);
    681int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
    682				struct pm8001_ccb_info *ccb,
    683				struct sas_tmf_task *tmf);
    684int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
    685				struct pm8001_ccb_info *ccb);
    686int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha, u32 device_id);
    687void pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd);
    688void pm8001_work_fn(struct work_struct *work);
    689int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha,
    690					void *data, int handler);
    691void pm8001_mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha,
    692							void *piomb);
    693void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha,
    694							void *piomb);
    695void pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha,
    696							void *piomb);
    697int pm8001_mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha,
    698							void *piomb);
    699void pm8001_get_lrate_mode(struct pm8001_phy *phy, u8 link_rate);
    700void pm8001_get_attached_sas_addr(struct pm8001_phy *phy, u8 *sas_addr);
    701void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i);
    702int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
    703int pm8001_mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
    704int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha,
    705							void *piomb);
    706int pm8001_mpi_general_event(struct pm8001_hba_info *pm8001_ha, void *piomb);
    707int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
    708struct sas_task *pm8001_alloc_task(void);
    709void pm8001_task_done(struct sas_task *task);
    710void pm8001_free_task(struct sas_task *task);
    711void pm8001_tag_free(struct pm8001_hba_info *pm8001_ha, u32 tag);
    712struct pm8001_device *pm8001_find_dev(struct pm8001_hba_info *pm8001_ha,
    713					u32 device_id);
    714int pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha);
    715
    716int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue);
    717void pm8001_set_phy_profile(struct pm8001_hba_info *pm8001_ha,
    718	u32 length, u8 *buf);
    719void pm8001_set_phy_profile_single(struct pm8001_hba_info *pm8001_ha,
    720		u32 phy, u32 length, u32 *buf);
    721int pm80xx_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue);
    722ssize_t pm80xx_get_fatal_dump(struct device *cdev,
    723		struct device_attribute *attr, char *buf);
    724ssize_t pm80xx_get_non_fatal_dump(struct device *cdev,
    725		struct device_attribute *attr, char *buf);
    726ssize_t pm8001_get_gsm_dump(struct device *cdev, u32, char *buf);
    727int pm80xx_fatal_errors(struct pm8001_hba_info *pm8001_ha);
    728void pm8001_free_dev(struct pm8001_device *pm8001_dev);
    729/* ctl shared API */
    730extern const struct attribute_group *pm8001_host_groups[];
    731
    732#define PM8001_INVALID_TAG	((u32)-1)
    733
    734/*
    735 * Allocate a new tag and return the corresponding ccb after initializing it.
    736 */
    737static inline struct pm8001_ccb_info *
    738pm8001_ccb_alloc(struct pm8001_hba_info *pm8001_ha,
    739		 struct pm8001_device *dev, struct sas_task *task)
    740{
    741	struct pm8001_ccb_info *ccb;
    742	u32 tag;
    743
    744	if (pm8001_tag_alloc(pm8001_ha, &tag)) {
    745		pm8001_dbg(pm8001_ha, FAIL, "Failed to allocate a tag\n");
    746		return NULL;
    747	}
    748
    749	ccb = &pm8001_ha->ccb_info[tag];
    750	ccb->task = task;
    751	ccb->n_elem = 0;
    752	ccb->ccb_tag = tag;
    753	ccb->device = dev;
    754	ccb->fw_control_context = NULL;
    755	ccb->open_retry = 0;
    756
    757	return ccb;
    758}
    759
    760/*
    761 * Free the tag of an initialized ccb.
    762 */
    763static inline void pm8001_ccb_free(struct pm8001_hba_info *pm8001_ha,
    764				   struct pm8001_ccb_info *ccb)
    765{
    766	u32 tag = ccb->ccb_tag;
    767
    768	/*
    769	 * Cleanup the ccb to make sure that a manual scan of the adapter
    770	 * ccb_info array can detect ccb's that are in use.
    771	 * C.f. pm8001_open_reject_retry()
    772	 */
    773	ccb->task = NULL;
    774	ccb->ccb_tag = PM8001_INVALID_TAG;
    775	ccb->device = NULL;
    776	ccb->fw_control_context = NULL;
    777
    778	pm8001_tag_free(pm8001_ha, tag);
    779}
    780
    781static inline void pm8001_ccb_task_free_done(struct pm8001_hba_info *pm8001_ha,
    782					     struct pm8001_ccb_info *ccb)
    783{
    784	struct sas_task *task = ccb->task;
    785
    786	pm8001_ccb_task_free(pm8001_ha, ccb);
    787	smp_mb(); /*in order to force CPU ordering*/
    788	task->task_done(task);
    789}
    790void pm8001_setds_completion(struct domain_device *dev);
    791void pm8001_tmf_aborted(struct sas_task *task);
    792
    793#endif
    794