forked from luck/tmp_suning_uos_patched
ieee1394: sbp2: clean up sbp2_ namespace
Prepend sbp2*_ to anything globally defined in sbp2.c except for some macros. Strip sbp2_ from names of struct members. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
This commit is contained in:
Stefan Richter
parent
5796aa7b11
commit
ca0c745399
@ -98,8 +98,8 @@
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* (probably due to PCI latency/throughput issues with the part). You can
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* bump down the speed if you are running into problems.
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*/
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static int max_speed = IEEE1394_SPEED_MAX;
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module_param(max_speed, int, 0644);
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static int sbp2_max_speed = IEEE1394_SPEED_MAX;
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module_param_named(max_speed, sbp2_max_speed, int, 0644);
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MODULE_PARM_DESC(max_speed, "Force max speed (3 = 800mb, 2 = 400mb, 1 = 200mb, 0 = 100mb)");
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/*
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@ -109,9 +109,10 @@ MODULE_PARM_DESC(max_speed, "Force max speed (3 = 800mb, 2 = 400mb, 1 = 200mb, 0
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*
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* TODO: Make this configurable per device.
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*/
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static int serialize_io = 1;
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module_param(serialize_io, int, 0444);
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MODULE_PARM_DESC(serialize_io, "Serialize I/O coming from scsi drivers (default = 1, faster = 0)");
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static int sbp2_serialize_io = 1;
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module_param_named(serialize_io, sbp2_serialize_io, int, 0444);
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MODULE_PARM_DESC(serialize_io, "Serialize I/O coming from scsi drivers "
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"(default = 1, faster = 0)");
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/*
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* Bump up max_sectors if you'd like to support very large sized
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@ -121,10 +122,10 @@ MODULE_PARM_DESC(serialize_io, "Serialize I/O coming from scsi drivers (default
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* the Oxsemi sbp2 chipsets have no problems supporting very large
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* transfer sizes.
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*/
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static int max_sectors = SBP2_MAX_SECTORS;
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module_param(max_sectors, int, 0444);
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MODULE_PARM_DESC(max_sectors, "Change max sectors per I/O supported (default = "
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__stringify(SBP2_MAX_SECTORS) ")");
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static int sbp2_max_sectors = SBP2_MAX_SECTORS;
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module_param_named(max_sectors, sbp2_max_sectors, int, 0444);
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MODULE_PARM_DESC(max_sectors, "Change max sectors per I/O supported "
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"(default = " __stringify(SBP2_MAX_SECTORS) ")");
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/*
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* Exclusive login to sbp2 device? In most cases, the sbp2 driver should
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@ -139,9 +140,10 @@ MODULE_PARM_DESC(max_sectors, "Change max sectors per I/O supported (default = "
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* concurrent logins. Depending on firmware, four or two concurrent logins
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* are possible on OXFW911 and newer Oxsemi bridges.
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*/
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static int exclusive_login = 1;
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module_param(exclusive_login, int, 0644);
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MODULE_PARM_DESC(exclusive_login, "Exclusive login to sbp2 device (default = 1)");
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static int sbp2_exclusive_login = 1;
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module_param_named(exclusive_login, sbp2_exclusive_login, int, 0644);
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MODULE_PARM_DESC(exclusive_login, "Exclusive login to sbp2 device "
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"(default = 1)");
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/*
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* If any of the following workarounds is required for your device to work,
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@ -279,7 +281,7 @@ static struct device_attribute *sbp2_sysfs_sdev_attrs[] = {
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NULL
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};
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static struct scsi_host_template scsi_driver_template = {
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static struct scsi_host_template sbp2_shost_template = {
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.module = THIS_MODULE,
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.name = "SBP-2 IEEE-1394",
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.proc_name = SBP2_DEVICE_NAME,
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@ -388,7 +390,7 @@ static inline void sbp2util_cpu_to_be32_buffer(void *buffer, int length)
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#define sbp2util_cpu_to_be32_buffer(x,y) do {} while (0)
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#endif
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static DECLARE_WAIT_QUEUE_HEAD(access_wq);
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static DECLARE_WAIT_QUEUE_HEAD(sbp2_access_wq);
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/*
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* Waits for completion of an SBP-2 access request.
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@ -397,9 +399,10 @@ static DECLARE_WAIT_QUEUE_HEAD(access_wq);
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static int sbp2util_access_timeout(struct scsi_id_instance_data *scsi_id,
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int timeout)
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{
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long leftover = wait_event_interruptible_timeout(
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access_wq, scsi_id->access_complete, timeout);
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long leftover;
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leftover = wait_event_interruptible_timeout(
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sbp2_access_wq, scsi_id->access_complete, timeout);
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scsi_id->access_complete = 0;
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return leftover <= 0;
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}
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@ -449,7 +452,7 @@ static void sbp2util_notify_fetch_agent(struct scsi_id_instance_data *scsi_id,
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return;
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if (hpsb_node_write(scsi_id->ne,
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scsi_id->sbp2_command_block_agent_addr + offset,
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scsi_id->command_block_agent_addr + offset,
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data, len))
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SBP2_ERR("sbp2util_notify_fetch_agent failed.");
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/*
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@ -478,18 +481,18 @@ static void sbp2util_write_doorbell(struct work_struct *work)
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static int sbp2util_create_command_orb_pool(struct scsi_id_instance_data *scsi_id)
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{
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struct sbp2scsi_host_info *hi = scsi_id->hi;
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struct sbp2_fwhost_info *hi = scsi_id->hi;
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int i;
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unsigned long flags, orbs;
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struct sbp2_command_info *command;
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orbs = serialize_io ? 2 : SBP2_MAX_CMDS;
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orbs = sbp2_serialize_io ? 2 : SBP2_MAX_CMDS;
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spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags);
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spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags);
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for (i = 0; i < orbs; i++) {
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command = kzalloc(sizeof(*command), GFP_ATOMIC);
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if (!command) {
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spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock,
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spin_unlock_irqrestore(&scsi_id->cmd_orb_lock,
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flags);
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return -ENOMEM;
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}
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@ -503,9 +506,9 @@ static int sbp2util_create_command_orb_pool(struct scsi_id_instance_data *scsi_i
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sizeof(command->scatter_gather_element),
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PCI_DMA_BIDIRECTIONAL);
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INIT_LIST_HEAD(&command->list);
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list_add_tail(&command->list, &scsi_id->sbp2_command_orb_completed);
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list_add_tail(&command->list, &scsi_id->cmd_orb_completed);
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}
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spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags);
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spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags);
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return 0;
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}
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@ -516,9 +519,9 @@ static void sbp2util_remove_command_orb_pool(struct scsi_id_instance_data *scsi_
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struct sbp2_command_info *command;
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unsigned long flags;
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spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags);
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if (!list_empty(&scsi_id->sbp2_command_orb_completed)) {
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list_for_each_safe(lh, next, &scsi_id->sbp2_command_orb_completed) {
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spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags);
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if (!list_empty(&scsi_id->cmd_orb_completed)) {
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list_for_each_safe(lh, next, &scsi_id->cmd_orb_completed) {
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command = list_entry(lh, struct sbp2_command_info, list);
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pci_unmap_single(host->pdev, command->command_orb_dma,
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sizeof(struct sbp2_command_orb),
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@ -529,7 +532,7 @@ static void sbp2util_remove_command_orb_pool(struct scsi_id_instance_data *scsi_
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kfree(command);
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}
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}
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spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags);
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spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags);
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return;
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}
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@ -543,31 +546,31 @@ static struct sbp2_command_info *sbp2util_find_command_for_orb(
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struct sbp2_command_info *command;
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unsigned long flags;
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spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags);
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if (!list_empty(&scsi_id->sbp2_command_orb_inuse)) {
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list_for_each_entry(command, &scsi_id->sbp2_command_orb_inuse, list) {
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spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags);
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if (!list_empty(&scsi_id->cmd_orb_inuse)) {
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list_for_each_entry(command, &scsi_id->cmd_orb_inuse, list) {
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if (command->command_orb_dma == orb) {
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spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags);
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spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags);
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return command;
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}
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}
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}
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spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags);
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spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags);
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return NULL;
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}
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/*
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* Finds the sbp2_command for a given outstanding SCpnt.
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* Only looks at the in-use list.
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* Must be called with scsi_id->sbp2_command_orb_lock held.
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* Must be called with scsi_id->cmd_orb_lock held.
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*/
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static struct sbp2_command_info *sbp2util_find_command_for_SCpnt(
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struct scsi_id_instance_data *scsi_id, void *SCpnt)
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{
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struct sbp2_command_info *command;
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if (!list_empty(&scsi_id->sbp2_command_orb_inuse))
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list_for_each_entry(command, &scsi_id->sbp2_command_orb_inuse, list)
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if (!list_empty(&scsi_id->cmd_orb_inuse))
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list_for_each_entry(command, &scsi_id->cmd_orb_inuse, list)
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if (command->Current_SCpnt == SCpnt)
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return command;
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return NULL;
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@ -582,18 +585,18 @@ static struct sbp2_command_info *sbp2util_allocate_command_orb(
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struct sbp2_command_info *command = NULL;
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unsigned long flags;
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spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags);
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if (!list_empty(&scsi_id->sbp2_command_orb_completed)) {
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lh = scsi_id->sbp2_command_orb_completed.next;
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spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags);
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if (!list_empty(&scsi_id->cmd_orb_completed)) {
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lh = scsi_id->cmd_orb_completed.next;
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list_del(lh);
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command = list_entry(lh, struct sbp2_command_info, list);
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command->Current_done = Current_done;
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command->Current_SCpnt = Current_SCpnt;
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list_add_tail(&command->list, &scsi_id->sbp2_command_orb_inuse);
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list_add_tail(&command->list, &scsi_id->cmd_orb_inuse);
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} else {
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SBP2_ERR("%s: no orbs available", __FUNCTION__);
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}
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spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags);
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spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags);
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return command;
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}
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@ -631,7 +634,7 @@ static void sbp2util_free_command_dma(struct sbp2_command_info *command)
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/*
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* This function moves a command to the completed orb list.
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* Must be called with scsi_id->sbp2_command_orb_lock held.
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* Must be called with scsi_id->cmd_orb_lock held.
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*/
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static void sbp2util_mark_command_completed(
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struct scsi_id_instance_data *scsi_id,
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@ -639,7 +642,7 @@ static void sbp2util_mark_command_completed(
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{
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list_del(&command->list);
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sbp2util_free_command_dma(command);
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list_add_tail(&command->list, &scsi_id->sbp2_command_orb_completed);
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list_add_tail(&command->list, &scsi_id->cmd_orb_completed);
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}
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/*
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@ -746,7 +749,7 @@ static int sbp2_update(struct unit_directory *ud)
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static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud)
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{
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struct sbp2scsi_host_info *hi;
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struct sbp2_fwhost_info *hi;
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struct Scsi_Host *scsi_host = NULL;
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struct scsi_id_instance_data *scsi_id = NULL;
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@ -761,10 +764,10 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud
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scsi_id->speed_code = IEEE1394_SPEED_100;
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scsi_id->max_payload_size = sbp2_speedto_max_payload[IEEE1394_SPEED_100];
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scsi_id->status_fifo_addr = CSR1212_INVALID_ADDR_SPACE;
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INIT_LIST_HEAD(&scsi_id->sbp2_command_orb_inuse);
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INIT_LIST_HEAD(&scsi_id->sbp2_command_orb_completed);
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INIT_LIST_HEAD(&scsi_id->cmd_orb_inuse);
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INIT_LIST_HEAD(&scsi_id->cmd_orb_completed);
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INIT_LIST_HEAD(&scsi_id->scsi_list);
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spin_lock_init(&scsi_id->sbp2_command_orb_lock);
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spin_lock_init(&scsi_id->cmd_orb_lock);
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atomic_set(&scsi_id->state, SBP2LU_STATE_RUNNING);
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INIT_WORK(&scsi_id->protocol_work, NULL);
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@ -819,7 +822,7 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud
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goto failed_alloc;
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}
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scsi_host = scsi_host_alloc(&scsi_driver_template,
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scsi_host = scsi_host_alloc(&sbp2_shost_template,
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sizeof(unsigned long));
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if (!scsi_host) {
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SBP2_ERR("failed to register scsi host");
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@ -843,7 +846,7 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud
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static void sbp2_host_reset(struct hpsb_host *host)
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{
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struct sbp2scsi_host_info *hi;
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struct sbp2_fwhost_info *hi;
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struct scsi_id_instance_data *scsi_id;
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hi = hpsb_get_hostinfo(&sbp2_highlevel, host);
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@ -859,7 +862,7 @@ static void sbp2_host_reset(struct hpsb_host *host)
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static int sbp2_start_device(struct scsi_id_instance_data *scsi_id)
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{
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struct sbp2scsi_host_info *hi = scsi_id->hi;
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struct sbp2_fwhost_info *hi = scsi_id->hi;
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int error;
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scsi_id->login_response =
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@ -944,7 +947,7 @@ static int sbp2_start_device(struct scsi_id_instance_data *scsi_id)
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static void sbp2_remove_device(struct scsi_id_instance_data *scsi_id)
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{
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struct sbp2scsi_host_info *hi;
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struct sbp2_fwhost_info *hi;
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if (!scsi_id)
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return;
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@ -1035,7 +1038,7 @@ static int sbp2_handle_physdma_read(struct hpsb_host *host, int nodeid,
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static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id)
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{
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struct sbp2scsi_host_info *hi = scsi_id->hi;
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struct sbp2_fwhost_info *hi = scsi_id->hi;
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quadlet_t data[2];
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int max_logins;
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int active_logins;
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@ -1048,7 +1051,7 @@ static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id)
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scsi_id->query_logins_orb->lun_misc = ORB_SET_FUNCTION(SBP2_QUERY_LOGINS_REQUEST);
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scsi_id->query_logins_orb->lun_misc |= ORB_SET_NOTIFY(1);
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scsi_id->query_logins_orb->lun_misc |= ORB_SET_LUN(scsi_id->sbp2_lun);
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scsi_id->query_logins_orb->lun_misc |= ORB_SET_LUN(scsi_id->lun);
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scsi_id->query_logins_orb->reserved_resp_length =
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ORB_SET_QUERY_LOGINS_RESP_LENGTH(sizeof(struct sbp2_query_logins_response));
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@ -1066,7 +1069,7 @@ static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id)
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data[1] = scsi_id->query_logins_orb_dma;
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sbp2util_cpu_to_be32_buffer(data, 8);
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hpsb_node_write(scsi_id->ne, scsi_id->sbp2_management_agent_addr, data, 8);
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hpsb_node_write(scsi_id->ne, scsi_id->management_agent_addr, data, 8);
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if (sbp2util_access_timeout(scsi_id, 2*HZ)) {
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SBP2_INFO("Error querying logins to SBP-2 device - timed out");
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@ -1100,17 +1103,15 @@ static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id)
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static int sbp2_login_device(struct scsi_id_instance_data *scsi_id)
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{
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struct sbp2scsi_host_info *hi = scsi_id->hi;
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struct sbp2_fwhost_info *hi = scsi_id->hi;
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quadlet_t data[2];
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if (!scsi_id->login_orb)
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return -EIO;
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if (!exclusive_login) {
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if (sbp2_query_logins(scsi_id)) {
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SBP2_INFO("Device does not support any more concurrent logins");
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return -EIO;
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}
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if (!sbp2_exclusive_login && sbp2_query_logins(scsi_id)) {
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SBP2_INFO("Device does not support any more concurrent logins");
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return -EIO;
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}
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/* assume no password */
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@ -1123,9 +1124,9 @@ static int sbp2_login_device(struct scsi_id_instance_data *scsi_id)
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/* one second reconnect time */
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scsi_id->login_orb->lun_misc |= ORB_SET_RECONNECT(0);
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scsi_id->login_orb->lun_misc |= ORB_SET_EXCLUSIVE(exclusive_login);
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scsi_id->login_orb->lun_misc |= ORB_SET_EXCLUSIVE(sbp2_exclusive_login);
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scsi_id->login_orb->lun_misc |= ORB_SET_NOTIFY(1);
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scsi_id->login_orb->lun_misc |= ORB_SET_LUN(scsi_id->sbp2_lun);
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scsi_id->login_orb->lun_misc |= ORB_SET_LUN(scsi_id->lun);
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scsi_id->login_orb->passwd_resp_lengths =
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ORB_SET_LOGIN_RESP_LENGTH(sizeof(struct sbp2_login_response));
|
||||
@ -1143,7 +1144,7 @@ static int sbp2_login_device(struct scsi_id_instance_data *scsi_id)
|
||||
data[1] = scsi_id->login_orb_dma;
|
||||
sbp2util_cpu_to_be32_buffer(data, 8);
|
||||
|
||||
hpsb_node_write(scsi_id->ne, scsi_id->sbp2_management_agent_addr, data, 8);
|
||||
hpsb_node_write(scsi_id->ne, scsi_id->management_agent_addr, data, 8);
|
||||
|
||||
/* wait up to 20 seconds for login status */
|
||||
if (sbp2util_access_timeout(scsi_id, 20*HZ)) {
|
||||
@ -1163,10 +1164,10 @@ static int sbp2_login_device(struct scsi_id_instance_data *scsi_id)
|
||||
}
|
||||
|
||||
sbp2util_cpu_to_be32_buffer(scsi_id->login_response, sizeof(struct sbp2_login_response));
|
||||
scsi_id->sbp2_command_block_agent_addr =
|
||||
scsi_id->command_block_agent_addr =
|
||||
((u64)scsi_id->login_response->command_block_agent_hi) << 32;
|
||||
scsi_id->sbp2_command_block_agent_addr |= ((u64)scsi_id->login_response->command_block_agent_lo);
|
||||
scsi_id->sbp2_command_block_agent_addr &= 0x0000ffffffffffffULL;
|
||||
scsi_id->command_block_agent_addr |= ((u64)scsi_id->login_response->command_block_agent_lo);
|
||||
scsi_id->command_block_agent_addr &= 0x0000ffffffffffffULL;
|
||||
|
||||
SBP2_INFO("Logged into SBP-2 device");
|
||||
return 0;
|
||||
@ -1174,7 +1175,7 @@ static int sbp2_login_device(struct scsi_id_instance_data *scsi_id)
|
||||
|
||||
static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id)
|
||||
{
|
||||
struct sbp2scsi_host_info *hi = scsi_id->hi;
|
||||
struct sbp2_fwhost_info *hi = scsi_id->hi;
|
||||
quadlet_t data[2];
|
||||
int error;
|
||||
|
||||
@ -1200,7 +1201,7 @@ static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id)
|
||||
sbp2util_cpu_to_be32_buffer(data, 8);
|
||||
|
||||
error = hpsb_node_write(scsi_id->ne,
|
||||
scsi_id->sbp2_management_agent_addr, data, 8);
|
||||
scsi_id->management_agent_addr, data, 8);
|
||||
if (error)
|
||||
return error;
|
||||
|
||||
@ -1214,7 +1215,7 @@ static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id)
|
||||
|
||||
static int sbp2_reconnect_device(struct scsi_id_instance_data *scsi_id)
|
||||
{
|
||||
struct sbp2scsi_host_info *hi = scsi_id->hi;
|
||||
struct sbp2_fwhost_info *hi = scsi_id->hi;
|
||||
quadlet_t data[2];
|
||||
int error;
|
||||
|
||||
@ -1241,7 +1242,7 @@ static int sbp2_reconnect_device(struct scsi_id_instance_data *scsi_id)
|
||||
sbp2util_cpu_to_be32_buffer(data, 8);
|
||||
|
||||
error = hpsb_node_write(scsi_id->ne,
|
||||
scsi_id->sbp2_management_agent_addr, data, 8);
|
||||
scsi_id->management_agent_addr, data, 8);
|
||||
if (error)
|
||||
return error;
|
||||
|
||||
@ -1306,7 +1307,7 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id,
|
||||
(kv->value.csr_offset << 2);
|
||||
|
||||
else if (kv->key.type == CSR1212_KV_TYPE_IMMEDIATE)
|
||||
scsi_id->sbp2_lun =
|
||||
scsi_id->lun =
|
||||
ORB_SET_LUN(kv->value.immediate);
|
||||
break;
|
||||
|
||||
@ -1363,12 +1364,12 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id,
|
||||
/* We would need one SCSI host template for each target to adjust
|
||||
* max_sectors on the fly, therefore warn only. */
|
||||
if (workarounds & SBP2_WORKAROUND_128K_MAX_TRANS &&
|
||||
(max_sectors * 512) > (128 * 1024))
|
||||
(sbp2_max_sectors * 512) > (128 * 1024))
|
||||
SBP2_INFO("Node " NODE_BUS_FMT ": Bridge only supports 128KB "
|
||||
"max transfer size. WARNING: Current max_sectors "
|
||||
"setting is larger than 128KB (%d sectors)",
|
||||
NODE_BUS_ARGS(ud->ne->host, ud->ne->nodeid),
|
||||
max_sectors);
|
||||
sbp2_max_sectors);
|
||||
|
||||
/* If this is a logical unit directory entry, process the parent
|
||||
* to get the values. */
|
||||
@ -1377,14 +1378,14 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id,
|
||||
container_of(ud->device.parent, struct unit_directory, device);
|
||||
sbp2_parse_unit_directory(scsi_id, parent_ud);
|
||||
} else {
|
||||
scsi_id->sbp2_management_agent_addr = management_agent_addr;
|
||||
scsi_id->sbp2_command_set_spec_id = command_set_spec_id;
|
||||
scsi_id->sbp2_command_set = command_set;
|
||||
scsi_id->sbp2_unit_characteristics = unit_characteristics;
|
||||
scsi_id->sbp2_firmware_revision = firmware_revision;
|
||||
scsi_id->management_agent_addr = management_agent_addr;
|
||||
scsi_id->command_set_spec_id = command_set_spec_id;
|
||||
scsi_id->command_set = command_set;
|
||||
scsi_id->unit_characteristics = unit_characteristics;
|
||||
scsi_id->firmware_revision = firmware_revision;
|
||||
scsi_id->workarounds = workarounds;
|
||||
if (ud->flags & UNIT_DIRECTORY_HAS_LUN)
|
||||
scsi_id->sbp2_lun = ORB_SET_LUN(ud->lun);
|
||||
scsi_id->lun = ORB_SET_LUN(ud->lun);
|
||||
}
|
||||
}
|
||||
|
||||
@ -1401,15 +1402,16 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id,
|
||||
*/
|
||||
static int sbp2_max_speed_and_size(struct scsi_id_instance_data *scsi_id)
|
||||
{
|
||||
struct sbp2scsi_host_info *hi = scsi_id->hi;
|
||||
struct sbp2_fwhost_info *hi = scsi_id->hi;
|
||||
u8 payload;
|
||||
|
||||
scsi_id->speed_code =
|
||||
hi->host->speed[NODEID_TO_NODE(scsi_id->ne->nodeid)];
|
||||
|
||||
if (scsi_id->speed_code > max_speed) {
|
||||
scsi_id->speed_code = max_speed;
|
||||
SBP2_INFO("Reducing speed to %s", hpsb_speedto_str[max_speed]);
|
||||
if (scsi_id->speed_code > sbp2_max_speed) {
|
||||
scsi_id->speed_code = sbp2_max_speed;
|
||||
SBP2_INFO("Reducing speed to %s",
|
||||
hpsb_speedto_str[sbp2_max_speed]);
|
||||
}
|
||||
|
||||
/* Payload size is the lesser of what our speed supports and what
|
||||
@ -1445,7 +1447,7 @@ static int sbp2_agent_reset(struct scsi_id_instance_data *scsi_id, int wait)
|
||||
flush_scheduled_work();
|
||||
|
||||
data = ntohl(SBP2_AGENT_RESET_DATA);
|
||||
addr = scsi_id->sbp2_command_block_agent_addr + SBP2_AGENT_RESET_OFFSET;
|
||||
addr = scsi_id->command_block_agent_addr + SBP2_AGENT_RESET_OFFSET;
|
||||
|
||||
if (wait)
|
||||
retval = hpsb_node_write(scsi_id->ne, addr, &data, 4);
|
||||
@ -1458,15 +1460,15 @@ static int sbp2_agent_reset(struct scsi_id_instance_data *scsi_id, int wait)
|
||||
}
|
||||
|
||||
/* make sure that the ORB_POINTER is written on next command */
|
||||
spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags);
|
||||
spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags);
|
||||
scsi_id->last_orb = NULL;
|
||||
spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags);
|
||||
spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb,
|
||||
struct sbp2scsi_host_info *hi,
|
||||
struct sbp2_fwhost_info *hi,
|
||||
struct sbp2_command_info *command,
|
||||
unsigned int scsi_use_sg,
|
||||
struct scatterlist *sgpnt,
|
||||
@ -1537,7 +1539,7 @@ static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb,
|
||||
}
|
||||
|
||||
static void sbp2_prep_command_orb_no_sg(struct sbp2_command_orb *orb,
|
||||
struct sbp2scsi_host_info *hi,
|
||||
struct sbp2_fwhost_info *hi,
|
||||
struct sbp2_command_info *command,
|
||||
struct scatterlist *sgpnt,
|
||||
u32 orb_direction,
|
||||
@ -1606,7 +1608,7 @@ static void sbp2_create_command_orb(struct scsi_id_instance_data *scsi_id,
|
||||
void *scsi_request_buffer,
|
||||
enum dma_data_direction dma_dir)
|
||||
{
|
||||
struct sbp2scsi_host_info *hi = scsi_id->hi;
|
||||
struct sbp2_fwhost_info *hi = scsi_id->hi;
|
||||
struct scatterlist *sgpnt = (struct scatterlist *)scsi_request_buffer;
|
||||
struct sbp2_command_orb *command_orb = &command->command_orb;
|
||||
u32 orb_direction;
|
||||
@ -1658,11 +1660,11 @@ static void sbp2_create_command_orb(struct scsi_id_instance_data *scsi_id,
|
||||
static void sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id,
|
||||
struct sbp2_command_info *command)
|
||||
{
|
||||
struct sbp2scsi_host_info *hi = scsi_id->hi;
|
||||
struct sbp2_fwhost_info *hi = scsi_id->hi;
|
||||
struct sbp2_command_orb *command_orb = &command->command_orb;
|
||||
struct sbp2_command_orb *last_orb;
|
||||
dma_addr_t last_orb_dma;
|
||||
u64 addr = scsi_id->sbp2_command_block_agent_addr;
|
||||
u64 addr = scsi_id->command_block_agent_addr;
|
||||
quadlet_t data[2];
|
||||
size_t length;
|
||||
unsigned long flags;
|
||||
@ -1675,7 +1677,7 @@ static void sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id,
|
||||
PCI_DMA_BIDIRECTIONAL);
|
||||
|
||||
/* check to see if there are any previous orbs to use */
|
||||
spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags);
|
||||
spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags);
|
||||
last_orb = scsi_id->last_orb;
|
||||
last_orb_dma = scsi_id->last_orb_dma;
|
||||
if (!last_orb) {
|
||||
@ -1712,7 +1714,7 @@ static void sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id,
|
||||
}
|
||||
scsi_id->last_orb = command_orb;
|
||||
scsi_id->last_orb_dma = command->command_orb_dma;
|
||||
spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags);
|
||||
spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags);
|
||||
|
||||
if (sbp2util_node_write_no_wait(scsi_id->ne, addr, data, length)) {
|
||||
/*
|
||||
@ -1782,7 +1784,7 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid,
|
||||
int destid, quadlet_t *data, u64 addr,
|
||||
size_t length, u16 fl)
|
||||
{
|
||||
struct sbp2scsi_host_info *hi;
|
||||
struct sbp2_fwhost_info *hi;
|
||||
struct scsi_id_instance_data *scsi_id = NULL, *scsi_id_tmp;
|
||||
struct scsi_cmnd *SCpnt = NULL;
|
||||
struct sbp2_status_block *sb;
|
||||
@ -1845,9 +1847,9 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid,
|
||||
* not be reused until status for a subsequent ORB is received.
|
||||
*/
|
||||
SCpnt = command->Current_SCpnt;
|
||||
spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags);
|
||||
spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags);
|
||||
sbp2util_mark_command_completed(scsi_id, command);
|
||||
spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags);
|
||||
spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags);
|
||||
|
||||
if (SCpnt) {
|
||||
u32 h = sb->ORB_offset_hi_misc;
|
||||
@ -1876,10 +1878,10 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid,
|
||||
* last_orb so that next time we write directly to the
|
||||
* ORB_POINTER register. That way the fetch agent does not need
|
||||
* to refetch the next_ORB. */
|
||||
spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags);
|
||||
if (list_empty(&scsi_id->sbp2_command_orb_inuse))
|
||||
spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags);
|
||||
if (list_empty(&scsi_id->cmd_orb_inuse))
|
||||
scsi_id->last_orb = NULL;
|
||||
spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags);
|
||||
spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags);
|
||||
|
||||
} else {
|
||||
/* It's probably status after a management request. */
|
||||
@ -1888,7 +1890,7 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid,
|
||||
(sb->ORB_offset_lo == scsi_id->query_logins_orb_dma) ||
|
||||
(sb->ORB_offset_lo == scsi_id->logout_orb_dma)) {
|
||||
scsi_id->access_complete = 1;
|
||||
wake_up_interruptible(&access_wq);
|
||||
wake_up_interruptible(&sbp2_access_wq);
|
||||
}
|
||||
}
|
||||
|
||||
@ -1907,7 +1909,7 @@ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt,
|
||||
{
|
||||
struct scsi_id_instance_data *scsi_id =
|
||||
(struct scsi_id_instance_data *)SCpnt->device->host->hostdata[0];
|
||||
struct sbp2scsi_host_info *hi;
|
||||
struct sbp2_fwhost_info *hi;
|
||||
int result = DID_NO_CONNECT << 16;
|
||||
|
||||
if (unlikely(!sbp2util_node_is_available(scsi_id)))
|
||||
@ -1916,7 +1918,7 @@ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt,
|
||||
hi = scsi_id->hi;
|
||||
|
||||
if (unlikely(!hi)) {
|
||||
SBP2_ERR("sbp2scsi_host_info is NULL - this is bad!");
|
||||
SBP2_ERR("sbp2_fwhost_info is NULL - this is bad!");
|
||||
goto done;
|
||||
}
|
||||
|
||||
@ -1964,14 +1966,14 @@ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt,
|
||||
static void sbp2scsi_complete_all_commands(struct scsi_id_instance_data *scsi_id,
|
||||
u32 status)
|
||||
{
|
||||
struct sbp2scsi_host_info *hi = scsi_id->hi;
|
||||
struct sbp2_fwhost_info *hi = scsi_id->hi;
|
||||
struct list_head *lh;
|
||||
struct sbp2_command_info *command;
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags);
|
||||
while (!list_empty(&scsi_id->sbp2_command_orb_inuse)) {
|
||||
lh = scsi_id->sbp2_command_orb_inuse.next;
|
||||
spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags);
|
||||
while (!list_empty(&scsi_id->cmd_orb_inuse)) {
|
||||
lh = scsi_id->cmd_orb_inuse.next;
|
||||
command = list_entry(lh, struct sbp2_command_info, list);
|
||||
pci_dma_sync_single_for_cpu(hi->host->pdev, command->command_orb_dma,
|
||||
sizeof(struct sbp2_command_orb),
|
||||
@ -1985,7 +1987,7 @@ static void sbp2scsi_complete_all_commands(struct scsi_id_instance_data *scsi_id
|
||||
command->Current_done(command->Current_SCpnt);
|
||||
}
|
||||
}
|
||||
spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags);
|
||||
spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags);
|
||||
|
||||
return;
|
||||
}
|
||||
@ -2090,7 +2092,7 @@ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt)
|
||||
{
|
||||
struct scsi_id_instance_data *scsi_id =
|
||||
(struct scsi_id_instance_data *)SCpnt->device->host->hostdata[0];
|
||||
struct sbp2scsi_host_info *hi = scsi_id->hi;
|
||||
struct sbp2_fwhost_info *hi = scsi_id->hi;
|
||||
struct sbp2_command_info *command;
|
||||
unsigned long flags;
|
||||
|
||||
@ -2101,7 +2103,7 @@ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt)
|
||||
sbp2_agent_reset(scsi_id, 1);
|
||||
|
||||
/* Return a matching command structure to the free pool. */
|
||||
spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags);
|
||||
spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags);
|
||||
command = sbp2util_find_command_for_SCpnt(scsi_id, SCpnt);
|
||||
if (command) {
|
||||
pci_dma_sync_single_for_cpu(hi->host->pdev,
|
||||
@ -2118,7 +2120,7 @@ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt)
|
||||
command->Current_done(command->Current_SCpnt);
|
||||
}
|
||||
}
|
||||
spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags);
|
||||
spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags);
|
||||
|
||||
sbp2scsi_complete_all_commands(scsi_id, DID_BUS_BUSY);
|
||||
}
|
||||
@ -2150,7 +2152,6 @@ static ssize_t sbp2_sysfs_ieee1394_id_show(struct device *dev,
|
||||
{
|
||||
struct scsi_device *sdev;
|
||||
struct scsi_id_instance_data *scsi_id;
|
||||
int lun;
|
||||
|
||||
if (!(sdev = to_scsi_device(dev)))
|
||||
return 0;
|
||||
@ -2158,10 +2159,8 @@ static ssize_t sbp2_sysfs_ieee1394_id_show(struct device *dev,
|
||||
if (!(scsi_id = (struct scsi_id_instance_data *)sdev->host->hostdata[0]))
|
||||
return 0;
|
||||
|
||||
lun = ORB_SET_LUN(scsi_id->sbp2_lun);
|
||||
|
||||
return sprintf(buf, "%016Lx:%d:%d\n", (unsigned long long)scsi_id->ne->guid,
|
||||
scsi_id->ud->id, lun);
|
||||
scsi_id->ud->id, ORB_SET_LUN(scsi_id->lun));
|
||||
}
|
||||
|
||||
MODULE_AUTHOR("Ben Collins <bcollins@debian.org>");
|
||||
@ -2173,15 +2172,15 @@ static int sbp2_module_init(void)
|
||||
{
|
||||
int ret;
|
||||
|
||||
if (serialize_io) {
|
||||
scsi_driver_template.can_queue = 1;
|
||||
scsi_driver_template.cmd_per_lun = 1;
|
||||
if (sbp2_serialize_io) {
|
||||
sbp2_shost_template.can_queue = 1;
|
||||
sbp2_shost_template.cmd_per_lun = 1;
|
||||
}
|
||||
|
||||
if (sbp2_default_workarounds & SBP2_WORKAROUND_128K_MAX_TRANS &&
|
||||
(max_sectors * 512) > (128 * 1024))
|
||||
max_sectors = 128 * 1024 / 512;
|
||||
scsi_driver_template.max_sectors = max_sectors;
|
||||
(sbp2_max_sectors * 512) > (128 * 1024))
|
||||
sbp2_max_sectors = 128 * 1024 / 512;
|
||||
sbp2_shost_template.max_sectors = sbp2_max_sectors;
|
||||
|
||||
hpsb_register_highlevel(&sbp2_highlevel);
|
||||
ret = hpsb_register_protocol(&sbp2_driver);
|
||||
|
||||
@ -241,7 +241,7 @@ struct sbp2_status_block {
|
||||
* Representations of commands and devices
|
||||
*/
|
||||
|
||||
enum cmd_dma_types {
|
||||
enum sbp2_dma_types {
|
||||
CMD_DMA_NONE,
|
||||
CMD_DMA_PAGE,
|
||||
CMD_DMA_SINGLE
|
||||
@ -260,13 +260,13 @@ struct sbp2_command_info {
|
||||
dma_addr_t sge_dma ____cacheline_aligned;
|
||||
void *sge_buffer;
|
||||
dma_addr_t cmd_dma;
|
||||
enum cmd_dma_types dma_type;
|
||||
enum sbp2_dma_types dma_type;
|
||||
unsigned long dma_size;
|
||||
int dma_dir;
|
||||
};
|
||||
|
||||
/* Per FireWire host */
|
||||
struct sbp2scsi_host_info {
|
||||
struct sbp2_fwhost_info {
|
||||
struct hpsb_host *host;
|
||||
struct list_head scsi_ids;
|
||||
};
|
||||
@ -291,17 +291,17 @@ struct scsi_id_instance_data {
|
||||
struct sbp2_status_block status_block;
|
||||
|
||||
/* How to talk to the unit */
|
||||
u64 sbp2_management_agent_addr;
|
||||
u64 sbp2_command_block_agent_addr;
|
||||
u64 management_agent_addr;
|
||||
u64 command_block_agent_addr;
|
||||
u32 speed_code;
|
||||
u32 max_payload_size;
|
||||
|
||||
/* Pulled from the device's unit directory */
|
||||
u32 sbp2_command_set_spec_id;
|
||||
u32 sbp2_command_set;
|
||||
u32 sbp2_unit_characteristics;
|
||||
u32 sbp2_lun;
|
||||
u32 sbp2_firmware_revision;
|
||||
u32 command_set_spec_id;
|
||||
u32 command_set;
|
||||
u32 unit_characteristics;
|
||||
u32 firmware_revision;
|
||||
u16 lun;
|
||||
|
||||
/* Address for the unit to write status blocks to */
|
||||
u64 status_fifo_addr;
|
||||
@ -310,12 +310,12 @@ struct scsi_id_instance_data {
|
||||
int access_complete:1;
|
||||
|
||||
/* Pool of command ORBs for this logical unit */
|
||||
spinlock_t sbp2_command_orb_lock;
|
||||
struct list_head sbp2_command_orb_inuse;
|
||||
struct list_head sbp2_command_orb_completed;
|
||||
spinlock_t cmd_orb_lock;
|
||||
struct list_head cmd_orb_inuse;
|
||||
struct list_head cmd_orb_completed;
|
||||
|
||||
/* Backlink to FireWire host; list of units attached to the host */
|
||||
struct sbp2scsi_host_info *hi;
|
||||
struct sbp2_fwhost_info *hi;
|
||||
struct list_head scsi_list;
|
||||
|
||||
/* IEEE 1394 core's device representations */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user