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-rw-r--r--ANDROID_3.4.5/include/scsi/libsas.h728
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diff --git a/ANDROID_3.4.5/include/scsi/libsas.h b/ANDROID_3.4.5/include/scsi/libsas.h
deleted file mode 100644
index 10ce74f5..00000000
--- a/ANDROID_3.4.5/include/scsi/libsas.h
+++ /dev/null
@@ -1,728 +0,0 @@
-/*
- * SAS host prototypes and structures header file
- *
- * Copyright (C) 2005 Adaptec, Inc. All rights reserved.
- * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
- *
- * This file is licensed under GPLv2.
- *
- * 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.
- *
- * This program is distributed in the hope that 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- * USA
- *
- */
-
-#ifndef _LIBSAS_H_
-#define _LIBSAS_H_
-
-
-#include <linux/timer.h>
-#include <linux/pci.h>
-#include <scsi/sas.h>
-#include <linux/libata.h>
-#include <linux/list.h>
-#include <scsi/scsi_device.h>
-#include <scsi/scsi_cmnd.h>
-#include <scsi/scsi_transport_sas.h>
-#include <linux/scatterlist.h>
-#include <linux/slab.h>
-
-struct block_device;
-
-enum sas_class {
- SAS,
- EXPANDER
-};
-
-enum sas_phy_role {
- PHY_ROLE_NONE = 0,
- PHY_ROLE_TARGET = 0x40,
- PHY_ROLE_INITIATOR = 0x80,
-};
-
-enum sas_phy_type {
- PHY_TYPE_PHYSICAL,
- PHY_TYPE_VIRTUAL
-};
-
-/* The events are mnemonically described in sas_dump.c
- * so when updating/adding events here, please also
- * update the other file too.
- */
-enum ha_event {
- HAE_RESET = 0U,
- HA_NUM_EVENTS = 1,
-};
-
-enum port_event {
- PORTE_BYTES_DMAED = 0U,
- PORTE_BROADCAST_RCVD = 1,
- PORTE_LINK_RESET_ERR = 2,
- PORTE_TIMER_EVENT = 3,
- PORTE_HARD_RESET = 4,
- PORT_NUM_EVENTS = 5,
-};
-
-enum phy_event {
- PHYE_LOSS_OF_SIGNAL = 0U,
- PHYE_OOB_DONE = 1,
- PHYE_OOB_ERROR = 2,
- PHYE_SPINUP_HOLD = 3, /* hot plug SATA, no COMWAKE sent */
- PHY_NUM_EVENTS = 4,
-};
-
-enum discover_event {
- DISCE_DISCOVER_DOMAIN = 0U,
- DISCE_REVALIDATE_DOMAIN = 1,
- DISCE_PORT_GONE = 2,
- DISCE_PROBE = 3,
- DISCE_DESTRUCT = 4,
- DISC_NUM_EVENTS = 5,
-};
-
-/* ---------- Expander Devices ---------- */
-
-#define to_dom_device(_obj) container_of(_obj, struct domain_device, dev_obj)
-#define to_dev_attr(_attr) container_of(_attr, struct domain_dev_attribute,\
- attr)
-
-enum routing_attribute {
- DIRECT_ROUTING,
- SUBTRACTIVE_ROUTING,
- TABLE_ROUTING,
-};
-
-enum ex_phy_state {
- PHY_EMPTY,
- PHY_VACANT,
- PHY_NOT_PRESENT,
- PHY_DEVICE_DISCOVERED
-};
-
-struct ex_phy {
- int phy_id;
-
- enum ex_phy_state phy_state;
-
- enum sas_dev_type attached_dev_type;
- enum sas_linkrate linkrate;
-
- u8 attached_sata_host:1;
- u8 attached_sata_dev:1;
- u8 attached_sata_ps:1;
-
- enum sas_protocol attached_tproto;
- enum sas_protocol attached_iproto;
-
- u8 attached_sas_addr[SAS_ADDR_SIZE];
- u8 attached_phy_id;
-
- u8 phy_change_count;
- enum routing_attribute routing_attr;
- u8 virtual:1;
-
- int last_da_index;
-
- struct sas_phy *phy;
- struct sas_port *port;
-};
-
-struct expander_device {
- struct list_head children;
-
- u16 ex_change_count;
- u16 max_route_indexes;
- u8 num_phys;
-
- u8 t2t_supp:1;
- u8 configuring:1;
- u8 conf_route_table:1;
-
- u8 enclosure_logical_id[8];
-
- struct ex_phy *ex_phy;
- struct sas_port *parent_port;
-
- struct mutex cmd_mutex;
-};
-
-/* ---------- SATA device ---------- */
-enum ata_command_set {
- ATA_COMMAND_SET = 0,
- ATAPI_COMMAND_SET = 1,
-};
-
-#define ATA_RESP_FIS_SIZE 24
-
-struct sata_device {
- enum ata_command_set command_set;
- struct smp_resp rps_resp; /* report_phy_sata_resp */
- u8 port_no; /* port number, if this is a PM (Port) */
- struct list_head children; /* PM Ports if this is a PM */
-
- struct ata_port *ap;
- struct ata_host ata_host;
- u8 fis[ATA_RESP_FIS_SIZE];
-};
-
-enum {
- SAS_DEV_GONE,
- SAS_DEV_DESTROY,
-};
-
-struct domain_device {
- spinlock_t done_lock;
- enum sas_dev_type dev_type;
-
- enum sas_linkrate linkrate;
- enum sas_linkrate min_linkrate;
- enum sas_linkrate max_linkrate;
-
- int pathways;
-
- struct domain_device *parent;
- struct list_head siblings; /* devices on the same level */
- struct asd_sas_port *port; /* shortcut to root of the tree */
- struct sas_phy *phy;
-
- struct list_head dev_list_node;
- struct list_head disco_list_node; /* awaiting probe or destruct */
-
- enum sas_protocol iproto;
- enum sas_protocol tproto;
-
- struct sas_rphy *rphy;
-
- u8 sas_addr[SAS_ADDR_SIZE];
- u8 hashed_sas_addr[HASHED_SAS_ADDR_SIZE];
-
- u8 frame_rcvd[32];
-
- union {
- struct expander_device ex_dev;
- struct sata_device sata_dev; /* STP & directly attached */
- };
-
- void *lldd_dev;
- unsigned long state;
- struct kref kref;
-};
-
-struct sas_work {
- struct list_head drain_node;
- struct work_struct work;
-};
-
-static inline void INIT_SAS_WORK(struct sas_work *sw, void (*fn)(struct work_struct *))
-{
- INIT_WORK(&sw->work, fn);
- INIT_LIST_HEAD(&sw->drain_node);
-}
-
-struct sas_discovery_event {
- struct sas_work work;
- struct asd_sas_port *port;
-};
-
-static inline struct sas_discovery_event *to_sas_discovery_event(struct work_struct *work)
-{
- struct sas_discovery_event *ev = container_of(work, typeof(*ev), work.work);
-
- return ev;
-}
-
-struct sas_discovery {
- struct sas_discovery_event disc_work[DISC_NUM_EVENTS];
- unsigned long pending;
- u8 fanout_sas_addr[8];
- u8 eeds_a[8];
- u8 eeds_b[8];
- int max_level;
-};
-
-/* The port struct is Class:RW, driver:RO */
-struct asd_sas_port {
-/* private: */
- struct completion port_gone_completion;
-
- struct sas_discovery disc;
- struct domain_device *port_dev;
- spinlock_t dev_list_lock;
- struct list_head dev_list;
- struct list_head disco_list;
- struct list_head destroy_list;
- enum sas_linkrate linkrate;
-
- struct sas_work work;
-
-/* public: */
- int id;
-
- enum sas_class class;
- u8 sas_addr[SAS_ADDR_SIZE];
- u8 attached_sas_addr[SAS_ADDR_SIZE];
- enum sas_protocol iproto;
- enum sas_protocol tproto;
-
- enum sas_oob_mode oob_mode;
-
- spinlock_t phy_list_lock;
- struct list_head phy_list;
- int num_phys;
- u32 phy_mask;
-
- struct sas_ha_struct *ha;
-
- struct sas_port *port;
-
- void *lldd_port; /* not touched by the sas class code */
-};
-
-struct asd_sas_event {
- struct sas_work work;
- struct asd_sas_phy *phy;
-};
-
-static inline struct asd_sas_event *to_asd_sas_event(struct work_struct *work)
-{
- struct asd_sas_event *ev = container_of(work, typeof(*ev), work.work);
-
- return ev;
-}
-
-/* The phy pretty much is controlled by the LLDD.
- * The class only reads those fields.
- */
-struct asd_sas_phy {
-/* private: */
- struct asd_sas_event port_events[PORT_NUM_EVENTS];
- struct asd_sas_event phy_events[PHY_NUM_EVENTS];
-
- unsigned long port_events_pending;
- unsigned long phy_events_pending;
-
- int error;
-
- struct sas_phy *phy;
-
-/* public: */
- /* The following are class:RO, driver:R/W */
- int enabled; /* must be set */
-
- int id; /* must be set */
- enum sas_class class;
- enum sas_protocol iproto;
- enum sas_protocol tproto;
-
- enum sas_phy_type type;
- enum sas_phy_role role;
- enum sas_oob_mode oob_mode;
- enum sas_linkrate linkrate;
-
- u8 *sas_addr; /* must be set */
- u8 attached_sas_addr[SAS_ADDR_SIZE]; /* class:RO, driver: R/W */
-
- spinlock_t frame_rcvd_lock;
- u8 *frame_rcvd; /* must be set */
- int frame_rcvd_size;
-
- spinlock_t sas_prim_lock;
- u32 sas_prim;
-
- struct list_head port_phy_el; /* driver:RO */
- struct asd_sas_port *port; /* Class:RW, driver: RO */
-
- struct sas_ha_struct *ha; /* may be set; the class sets it anyway */
-
- void *lldd_phy; /* not touched by the sas_class_code */
-};
-
-struct scsi_core {
- struct Scsi_Host *shost;
-
- struct mutex task_queue_flush;
- spinlock_t task_queue_lock;
- struct list_head task_queue;
- int task_queue_size;
-
- struct task_struct *queue_thread;
-};
-
-struct sas_ha_event {
- struct sas_work work;
- struct sas_ha_struct *ha;
-};
-
-static inline struct sas_ha_event *to_sas_ha_event(struct work_struct *work)
-{
- struct sas_ha_event *ev = container_of(work, typeof(*ev), work.work);
-
- return ev;
-}
-
-enum sas_ha_state {
- SAS_HA_REGISTERED,
- SAS_HA_DRAINING,
- SAS_HA_ATA_EH_ACTIVE,
- SAS_HA_FROZEN,
-};
-
-struct sas_ha_struct {
-/* private: */
- struct sas_ha_event ha_events[HA_NUM_EVENTS];
- unsigned long pending;
-
- struct list_head defer_q; /* work queued while draining */
- struct mutex drain_mutex;
- unsigned long state;
- spinlock_t state_lock;
-
- struct mutex disco_mutex;
-
- struct scsi_core core;
-
-/* public: */
- char *sas_ha_name;
- struct device *dev; /* should be set */
- struct module *lldd_module; /* should be set */
-
- u8 *sas_addr; /* must be set */
- u8 hashed_sas_addr[HASHED_SAS_ADDR_SIZE];
-
- spinlock_t phy_port_lock;
- struct asd_sas_phy **sas_phy; /* array of valid pointers, must be set */
- struct asd_sas_port **sas_port; /* array of valid pointers, must be set */
- int num_phys; /* must be set, gt 0, static */
-
- /* The class calls this to send a task for execution. */
- int lldd_max_execute_num;
- int lldd_queue_size;
- int strict_wide_ports; /* both sas_addr and attached_sas_addr must match
- * their siblings when forming wide ports */
-
- /* LLDD calls these to notify the class of an event. */
- void (*notify_ha_event)(struct sas_ha_struct *, enum ha_event);
- void (*notify_port_event)(struct asd_sas_phy *, enum port_event);
- void (*notify_phy_event)(struct asd_sas_phy *, enum phy_event);
-
- void *lldd_ha; /* not touched by sas class code */
-
- struct list_head eh_done_q; /* complete via scsi_eh_flush_done_q */
- struct list_head eh_ata_q; /* scmds to promote from sas to ata eh */
-};
-
-#define SHOST_TO_SAS_HA(_shost) (*(struct sas_ha_struct **)(_shost)->hostdata)
-
-static inline struct domain_device *
-starget_to_domain_dev(struct scsi_target *starget) {
- return starget->hostdata;
-}
-
-static inline struct domain_device *
-sdev_to_domain_dev(struct scsi_device *sdev) {
- return starget_to_domain_dev(sdev->sdev_target);
-}
-
-static inline struct ata_device *sas_to_ata_dev(struct domain_device *dev)
-{
- return &dev->sata_dev.ap->link.device[0];
-}
-
-static inline struct domain_device *
-cmd_to_domain_dev(struct scsi_cmnd *cmd)
-{
- return sdev_to_domain_dev(cmd->device);
-}
-
-void sas_hash_addr(u8 *hashed, const u8 *sas_addr);
-
-/* Before calling a notify event, LLDD should use this function
- * when the link is severed (possibly from its tasklet).
- * The idea is that the Class only reads those, while the LLDD,
- * can R/W these (thus avoiding a race).
- */
-static inline void sas_phy_disconnected(struct asd_sas_phy *phy)
-{
- phy->oob_mode = OOB_NOT_CONNECTED;
- phy->linkrate = SAS_LINK_RATE_UNKNOWN;
-}
-
-static inline unsigned int to_sas_gpio_od(int device, int bit)
-{
- return 3 * device + bit;
-}
-
-static inline void sas_put_local_phy(struct sas_phy *phy)
-{
- put_device(&phy->dev);
-}
-
-#ifdef CONFIG_SCSI_SAS_HOST_SMP
-int try_test_sas_gpio_gp_bit(unsigned int od, u8 *data, u8 index, u8 count);
-#else
-static inline int try_test_sas_gpio_gp_bit(unsigned int od, u8 *data, u8 index, u8 count)
-{
- return -1;
-}
-#endif
-
-/* ---------- Tasks ---------- */
-/*
- service_response | SAS_TASK_COMPLETE | SAS_TASK_UNDELIVERED |
- exec_status | | |
- ---------------------+---------------------+-----------------------+
- SAM_... | X | |
- DEV_NO_RESPONSE | X | X |
- INTERRUPTED | X | |
- QUEUE_FULL | | X |
- DEVICE_UNKNOWN | | X |
- SG_ERR | | X |
- ---------------------+---------------------+-----------------------+
- */
-
-enum service_response {
- SAS_TASK_COMPLETE,
- SAS_TASK_UNDELIVERED = -1,
-};
-
-enum exec_status {
- /* The SAM_STAT_.. codes fit in the lower 6 bits, alias some of
- * them here to silence 'case value not in enumerated type' warnings
- */
- __SAM_STAT_CHECK_CONDITION = SAM_STAT_CHECK_CONDITION,
-
- SAS_DEV_NO_RESPONSE = 0x80,
- SAS_DATA_UNDERRUN,
- SAS_DATA_OVERRUN,
- SAS_INTERRUPTED,
- SAS_QUEUE_FULL,
- SAS_DEVICE_UNKNOWN,
- SAS_SG_ERR,
- SAS_OPEN_REJECT,
- SAS_OPEN_TO,
- SAS_PROTO_RESPONSE,
- SAS_PHY_DOWN,
- SAS_NAK_R_ERR,
- SAS_PENDING,
- SAS_ABORTED_TASK,
-};
-
-/* When a task finishes with a response, the LLDD examines the
- * response:
- * - For an ATA task task_status_struct::stat is set to
- * SAS_PROTO_RESPONSE, and the task_status_struct::buf is set to the
- * contents of struct ata_task_resp.
- * - For SSP tasks, if no data is present or status/TMF response
- * is valid, task_status_struct::stat is set. If data is present
- * (SENSE data), the LLDD copies up to SAS_STATUS_BUF_SIZE, sets
- * task_status_struct::buf_valid_size, and task_status_struct::stat is
- * set to SAM_CHECK_COND.
- *
- * "buf" has format SCSI Sense for SSP task, or struct ata_task_resp
- * for ATA task.
- *
- * "frame_len" is the total frame length, which could be more or less
- * than actually copied.
- *
- * Tasks ending with response, always set the residual field.
- */
-struct ata_task_resp {
- u16 frame_len;
- u8 ending_fis[ATA_RESP_FIS_SIZE]; /* dev to host or data-in */
-};
-
-#define SAS_STATUS_BUF_SIZE 96
-
-struct task_status_struct {
- enum service_response resp;
- enum exec_status stat;
- int buf_valid_size;
-
- u8 buf[SAS_STATUS_BUF_SIZE];
-
- u32 residual;
- enum sas_open_rej_reason open_rej_reason;
-};
-
-/* ATA and ATAPI task queuable to a SAS LLDD.
- */
-struct sas_ata_task {
- struct host_to_dev_fis fis;
- u8 atapi_packet[16]; /* 0 if not ATAPI task */
-
- u8 retry_count; /* hardware retry, should be > 0 */
-
- u8 dma_xfer:1; /* PIO:0 or DMA:1 */
- u8 use_ncq:1;
- u8 set_affil_pol:1;
- u8 stp_affil_pol:1;
-
- u8 device_control_reg_update:1;
-};
-
-struct sas_smp_task {
- struct scatterlist smp_req;
- struct scatterlist smp_resp;
-};
-
-enum task_attribute {
- TASK_ATTR_SIMPLE = 0,
- TASK_ATTR_HOQ = 1,
- TASK_ATTR_ORDERED= 2,
- TASK_ATTR_ACA = 4,
-};
-
-struct sas_ssp_task {
- u8 retry_count; /* hardware retry, should be > 0 */
-
- u8 LUN[8];
- u8 enable_first_burst:1;
- enum task_attribute task_attr;
- u8 task_prio;
- u8 cdb[16];
-};
-
-struct sas_task {
- struct domain_device *dev;
- struct list_head list;
-
- spinlock_t task_state_lock;
- unsigned task_state_flags;
-
- enum sas_protocol task_proto;
-
- /* Used by the discovery code. */
- struct timer_list timer;
- struct completion completion;
-
- union {
- struct sas_ata_task ata_task;
- struct sas_smp_task smp_task;
- struct sas_ssp_task ssp_task;
- };
-
- struct scatterlist *scatter;
- int num_scatter;
- u32 total_xfer_len;
- u8 data_dir:2; /* Use PCI_DMA_... */
-
- struct task_status_struct task_status;
- void (*task_done)(struct sas_task *);
-
- void *lldd_task; /* for use by LLDDs */
- void *uldd_task;
-
- struct work_struct abort_work;
-};
-
-#define SAS_TASK_STATE_PENDING 1
-#define SAS_TASK_STATE_DONE 2
-#define SAS_TASK_STATE_ABORTED 4
-#define SAS_TASK_NEED_DEV_RESET 8
-#define SAS_TASK_AT_INITIATOR 16
-
-extern struct sas_task *sas_alloc_task(gfp_t flags);
-extern void sas_free_task(struct sas_task *task);
-
-struct sas_domain_function_template {
- /* The class calls these to notify the LLDD of an event. */
- void (*lldd_port_formed)(struct asd_sas_phy *);
- void (*lldd_port_deformed)(struct asd_sas_phy *);
-
- /* The class calls these when a device is found or gone. */
- int (*lldd_dev_found)(struct domain_device *);
- void (*lldd_dev_gone)(struct domain_device *);
-
- int (*lldd_execute_task)(struct sas_task *, int num,
- gfp_t gfp_flags);
-
- /* Task Management Functions. Must be called from process context. */
- int (*lldd_abort_task)(struct sas_task *);
- int (*lldd_abort_task_set)(struct domain_device *, u8 *lun);
- int (*lldd_clear_aca)(struct domain_device *, u8 *lun);
- int (*lldd_clear_task_set)(struct domain_device *, u8 *lun);
- int (*lldd_I_T_nexus_reset)(struct domain_device *);
- int (*lldd_ata_check_ready)(struct domain_device *);
- void (*lldd_ata_set_dmamode)(struct domain_device *);
- int (*lldd_lu_reset)(struct domain_device *, u8 *lun);
- int (*lldd_query_task)(struct sas_task *);
-
- /* Port and Adapter management */
- int (*lldd_clear_nexus_port)(struct asd_sas_port *);
- int (*lldd_clear_nexus_ha)(struct sas_ha_struct *);
-
- /* Phy management */
- int (*lldd_control_phy)(struct asd_sas_phy *, enum phy_func, void *);
-
- /* GPIO support */
- int (*lldd_write_gpio)(struct sas_ha_struct *, u8 reg_type,
- u8 reg_index, u8 reg_count, u8 *write_data);
-};
-
-extern int sas_register_ha(struct sas_ha_struct *);
-extern int sas_unregister_ha(struct sas_ha_struct *);
-
-int sas_set_phy_speed(struct sas_phy *phy,
- struct sas_phy_linkrates *rates);
-int sas_phy_reset(struct sas_phy *phy, int hard_reset);
-int sas_queue_up(struct sas_task *task);
-extern int sas_queuecommand(struct Scsi_Host * ,struct scsi_cmnd *);
-extern int sas_target_alloc(struct scsi_target *);
-extern int sas_slave_configure(struct scsi_device *);
-extern int sas_change_queue_depth(struct scsi_device *, int new_depth,
- int reason);
-extern int sas_change_queue_type(struct scsi_device *, int qt);
-extern int sas_bios_param(struct scsi_device *,
- struct block_device *,
- sector_t capacity, int *hsc);
-extern struct scsi_transport_template *
-sas_domain_attach_transport(struct sas_domain_function_template *);
-extern void sas_domain_release_transport(struct scsi_transport_template *);
-
-int sas_discover_root_expander(struct domain_device *);
-
-void sas_init_ex_attr(void);
-
-int sas_ex_revalidate_domain(struct domain_device *);
-
-void sas_unregister_domain_devices(struct asd_sas_port *port, int gone);
-void sas_init_disc(struct sas_discovery *disc, struct asd_sas_port *);
-int sas_discover_event(struct asd_sas_port *, enum discover_event ev);
-
-int sas_discover_sata(struct domain_device *);
-int sas_discover_end_dev(struct domain_device *);
-
-void sas_unregister_dev(struct asd_sas_port *port, struct domain_device *);
-
-void sas_init_dev(struct domain_device *);
-
-void sas_task_abort(struct sas_task *);
-int sas_eh_device_reset_handler(struct scsi_cmnd *cmd);
-int sas_eh_bus_reset_handler(struct scsi_cmnd *cmd);
-
-extern void sas_target_destroy(struct scsi_target *);
-extern int sas_slave_alloc(struct scsi_device *);
-extern int sas_ioctl(struct scsi_device *sdev, int cmd, void __user *arg);
-extern int sas_drain_work(struct sas_ha_struct *ha);
-
-extern int sas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
- struct request *req);
-
-extern void sas_ssp_task_response(struct device *dev, struct sas_task *task,
- struct ssp_response_iu *iu);
-struct sas_phy *sas_get_local_phy(struct domain_device *dev);
-
-int sas_request_addr(struct Scsi_Host *shost, u8 *addr);
-
-#endif /* _SASLIB_H_ */
generated by cgit (git 2.34.1) at 2025-01-26 01:31:55 +0000