diff options
Diffstat (limited to 'drivers/ieee1394')
| -rw-r--r-- | drivers/ieee1394/sbp2.c | 145 | ||||
| -rw-r--r-- | drivers/ieee1394/sbp2.h | 45 |
2 files changed, 86 insertions, 104 deletions
diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index becd98d411ec..f1f5de616d79 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -180,19 +180,6 @@ MODULE_PARM_DESC(workarounds, "Work around device bugs (default = 0" ", or a combination)"); /* - * Export information about protocols/devices supported by this driver. - */ -static struct ieee1394_device_id sbp2_id_table[] = { - { - .match_flags = IEEE1394_MATCH_SPECIFIER_ID | IEEE1394_MATCH_VERSION, - .specifier_id = SBP2_UNIT_SPEC_ID_ENTRY & 0xffffff, - .version = SBP2_SW_VERSION_ENTRY & 0xffffff}, - {} -}; - -MODULE_DEVICE_TABLE(ieee1394, sbp2_id_table); - -/* * Debug levels, configured via kernel config, or enable here. */ @@ -250,40 +237,66 @@ static u32 global_outstanding_dmas = 0; /* * Globals */ +static void sbp2scsi_complete_all_commands(struct scsi_id_instance_data *, u32); +static void sbp2scsi_complete_command(struct scsi_id_instance_data *, u32, + struct scsi_cmnd *, + void (*)(struct scsi_cmnd *)); +static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *); +static int sbp2_start_device(struct scsi_id_instance_data *); +static void sbp2_remove_device(struct scsi_id_instance_data *); +static int sbp2_login_device(struct scsi_id_instance_data *); +static int sbp2_reconnect_device(struct scsi_id_instance_data *); +static int sbp2_logout_device(struct scsi_id_instance_data *); +static void sbp2_host_reset(struct hpsb_host *); +static int sbp2_handle_status_write(struct hpsb_host *, int, int, quadlet_t *, + u64, size_t, u16); +static int sbp2_agent_reset(struct scsi_id_instance_data *, int); +static void sbp2_parse_unit_directory(struct scsi_id_instance_data *, + struct unit_directory *); +static int sbp2_set_busy_timeout(struct scsi_id_instance_data *); +static int sbp2_max_speed_and_size(struct scsi_id_instance_data *); -static void sbp2scsi_complete_all_commands(struct scsi_id_instance_data *scsi_id, - u32 status); - -static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, - u32 scsi_status, struct scsi_cmnd *SCpnt, - void (*done)(struct scsi_cmnd *)); - -static struct scsi_host_template scsi_driver_template; static const u8 sbp2_speedto_max_payload[] = { 0x7, 0x8, 0x9, 0xA, 0xB, 0xC }; -static void sbp2_host_reset(struct hpsb_host *host); - -static int sbp2_probe(struct device *dev); -static int sbp2_remove(struct device *dev); -static int sbp2_update(struct unit_directory *ud); - static struct hpsb_highlevel sbp2_highlevel = { - .name = SBP2_DEVICE_NAME, - .host_reset = sbp2_host_reset, + .name = SBP2_DEVICE_NAME, + .host_reset = sbp2_host_reset, }; static struct hpsb_address_ops sbp2_ops = { - .write = sbp2_handle_status_write + .write = sbp2_handle_status_write }; #ifdef CONFIG_IEEE1394_SBP2_PHYS_DMA +static int sbp2_handle_physdma_write(struct hpsb_host *, int, int, quadlet_t *, + u64, size_t, u16); +static int sbp2_handle_physdma_read(struct hpsb_host *, int, quadlet_t *, u64, + size_t, u16); + static struct hpsb_address_ops sbp2_physdma_ops = { - .read = sbp2_handle_physdma_read, - .write = sbp2_handle_physdma_write, + .read = sbp2_handle_physdma_read, + .write = sbp2_handle_physdma_write, }; #endif + +/* + * Interface to driver core and IEEE 1394 core + */ +static struct ieee1394_device_id sbp2_id_table[] = { + { + .match_flags = IEEE1394_MATCH_SPECIFIER_ID | IEEE1394_MATCH_VERSION, + .specifier_id = SBP2_UNIT_SPEC_ID_ENTRY & 0xffffff, + .version = SBP2_SW_VERSION_ENTRY & 0xffffff}, + {} +}; +MODULE_DEVICE_TABLE(ieee1394, sbp2_id_table); + +static int sbp2_probe(struct device *); +static int sbp2_remove(struct device *); +static int sbp2_update(struct unit_directory *); + static struct hpsb_protocol_driver sbp2_driver = { .name = "SBP2 Driver", .id_table = sbp2_id_table, @@ -296,6 +309,47 @@ static struct hpsb_protocol_driver sbp2_driver = { }, }; + +/* + * Interface to SCSI core + */ +static int sbp2scsi_queuecommand(struct scsi_cmnd *, + void (*)(struct scsi_cmnd *)); +static int sbp2scsi_abort(struct scsi_cmnd *); +static int sbp2scsi_reset(struct scsi_cmnd *); +static int sbp2scsi_slave_alloc(struct scsi_device *); +static int sbp2scsi_slave_configure(struct scsi_device *); +static void sbp2scsi_slave_destroy(struct scsi_device *); +static ssize_t sbp2_sysfs_ieee1394_id_show(struct device *, + struct device_attribute *, char *); + +static DEVICE_ATTR(ieee1394_id, S_IRUGO, sbp2_sysfs_ieee1394_id_show, NULL); + +static struct device_attribute *sbp2_sysfs_sdev_attrs[] = { + &dev_attr_ieee1394_id, + NULL +}; + +static struct scsi_host_template scsi_driver_template = { + .module = THIS_MODULE, + .name = "SBP-2 IEEE-1394", + .proc_name = SBP2_DEVICE_NAME, + .queuecommand = sbp2scsi_queuecommand, + .eh_abort_handler = sbp2scsi_abort, + .eh_device_reset_handler = sbp2scsi_reset, + .slave_alloc = sbp2scsi_slave_alloc, + .slave_configure = sbp2scsi_slave_configure, + .slave_destroy = sbp2scsi_slave_destroy, + .this_id = -1, + .sg_tablesize = SG_ALL, + .use_clustering = ENABLE_CLUSTERING, + .cmd_per_lun = SBP2_MAX_CMDS, + .can_queue = SBP2_MAX_CMDS, + .emulated = 1, + .sdev_attrs = sbp2_sysfs_sdev_attrs, +}; + + /* * List of devices with known bugs. * @@ -715,7 +769,6 @@ static inline int sbp2util_node_is_available(struct scsi_id_instance_data *scsi_ /********************************************* * IEEE-1394 core driver stack related section *********************************************/ -static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud); static int sbp2_probe(struct device *dev) { @@ -2630,38 +2683,12 @@ static ssize_t sbp2_sysfs_ieee1394_id_show(struct device *dev, return sprintf(buf, "%016Lx:%d:%d\n", (unsigned long long)scsi_id->ne->guid, scsi_id->ud->id, lun); } -static DEVICE_ATTR(ieee1394_id, S_IRUGO, sbp2_sysfs_ieee1394_id_show, NULL); - -static struct device_attribute *sbp2_sysfs_sdev_attrs[] = { - &dev_attr_ieee1394_id, - NULL -}; MODULE_AUTHOR("Ben Collins <bcollins@debian.org>"); MODULE_DESCRIPTION("IEEE-1394 SBP-2 protocol driver"); MODULE_SUPPORTED_DEVICE(SBP2_DEVICE_NAME); MODULE_LICENSE("GPL"); -/* SCSI host template */ -static struct scsi_host_template scsi_driver_template = { - .module = THIS_MODULE, - .name = "SBP-2 IEEE-1394", - .proc_name = SBP2_DEVICE_NAME, - .queuecommand = sbp2scsi_queuecommand, - .eh_abort_handler = sbp2scsi_abort, - .eh_device_reset_handler = sbp2scsi_reset, - .slave_alloc = sbp2scsi_slave_alloc, - .slave_configure = sbp2scsi_slave_configure, - .slave_destroy = sbp2scsi_slave_destroy, - .this_id = -1, - .sg_tablesize = SG_ALL, - .use_clustering = ENABLE_CLUSTERING, - .cmd_per_lun = SBP2_MAX_CMDS, - .can_queue = SBP2_MAX_CMDS, - .emulated = 1, - .sdev_attrs = sbp2_sysfs_sdev_attrs, -}; - static int sbp2_module_init(void) { int ret; diff --git a/drivers/ieee1394/sbp2.h b/drivers/ieee1394/sbp2.h index 1b16d6b9cf11..56917b9fa22d 100644 --- a/drivers/ieee1394/sbp2.h +++ b/drivers/ieee1394/sbp2.h @@ -364,49 +364,4 @@ struct sbp2scsi_host_info { struct list_head scsi_ids; /* List of scsi ids on this host */ }; -/* - * Function prototypes - */ - -/* - * Various utility prototypes - */ -static int sbp2util_create_command_orb_pool(struct scsi_id_instance_data *scsi_id); -static void sbp2util_remove_command_orb_pool(struct scsi_id_instance_data *scsi_id); -static struct sbp2_command_info *sbp2util_find_command_for_orb(struct scsi_id_instance_data *scsi_id, dma_addr_t orb); -static struct sbp2_command_info *sbp2util_find_command_for_SCpnt(struct scsi_id_instance_data *scsi_id, void *SCpnt); -static struct sbp2_command_info *sbp2util_allocate_command_orb(struct scsi_id_instance_data *scsi_id, - struct scsi_cmnd *Current_SCpnt, - void (*Current_done)(struct scsi_cmnd *)); -static void sbp2util_mark_command_completed(struct scsi_id_instance_data *scsi_id, - struct sbp2_command_info *command); - - -static int sbp2_start_device(struct scsi_id_instance_data *scsi_id); -static void sbp2_remove_device(struct scsi_id_instance_data *scsi_id); - -#ifdef CONFIG_IEEE1394_SBP2_PHYS_DMA -static int sbp2_handle_physdma_write(struct hpsb_host *host, int nodeid, int destid, quadlet_t *data, - u64 addr, size_t length, u16 flags); -static int sbp2_handle_physdma_read(struct hpsb_host *host, int nodeid, quadlet_t *data, - u64 addr, size_t length, u16 flags); -#endif - -/* - * SBP-2 protocol related prototypes - */ -static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id); -static int sbp2_login_device(struct scsi_id_instance_data *scsi_id); -static int sbp2_reconnect_device(struct scsi_id_instance_data *scsi_id); -static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id); -static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, int destid, - quadlet_t *data, u64 addr, size_t length, u16 flags); -static int sbp2_agent_reset(struct scsi_id_instance_data *scsi_id, int wait); -static unsigned int sbp2_status_to_sense_data(unchar *sbp2_status, - unchar *sense_data); -static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, - struct unit_directory *ud); -static int sbp2_set_busy_timeout(struct scsi_id_instance_data *scsi_id); -static int sbp2_max_speed_and_size(struct scsi_id_instance_data *scsi_id); - #endif /* SBP2_H */ |