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提交 ca0c7453 编写于 作者: S Stefan Richter
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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: NStefan Richter <stefanr@s5r6.in-berlin.de>
上级 5796aa7b
隐藏空白更改
内联 并排
Showing with 132 addition and 133 deletion
drivers/ieee1394/sbp2.c
浏览文件 @ ca0c7453
......@@ -98,8 +98,8 @@
* (probably due to PCI latency/throughput issues with the part). You can
* bump down the speed if you are running into problems.
*/
static int max_speed = IEEE1394_SPEED_MAX;
module_param(max_speed, int, 0644);
static int sbp2_max_speed = IEEE1394_SPEED_MAX;
module_param_named(max_speed, sbp2_max_speed, int, 0644);
MODULE_PARM_DESC(max_speed, "Force max speed (3 = 800mb, 2 = 400mb, 1 = 200mb, 0 = 100mb)");
/*
......@@ -109,9 +109,10 @@ MODULE_PARM_DESC(max_speed, "Force max speed (3 = 800mb, 2 = 400mb, 1 = 200mb, 0
*
* TODO: Make this configurable per device.
*/
static int serialize_io = 1;
module_param(serialize_io, int, 0444);
MODULE_PARM_DESC(serialize_io, "Serialize I/O coming from scsi drivers (default = 1, faster = 0)");
static int sbp2_serialize_io = 1;
module_param_named(serialize_io, sbp2_serialize_io, int, 0444);
MODULE_PARM_DESC(serialize_io, "Serialize I/O coming from scsi drivers "
"(default = 1, faster = 0)");
/*
* Bump up max_sectors if you'd like to support very large sized
......@@ -121,10 +122,10 @@ MODULE_PARM_DESC(serialize_io, "Serialize I/O coming from scsi drivers (default
* the Oxsemi sbp2 chipsets have no problems supporting very large
* transfer sizes.
*/
static int max_sectors = SBP2_MAX_SECTORS;
module_param(max_sectors, int, 0444);
MODULE_PARM_DESC(max_sectors, "Change max sectors per I/O supported (default = "
__stringify(SBP2_MAX_SECTORS) ")");
static int sbp2_max_sectors = SBP2_MAX_SECTORS;
module_param_named(max_sectors, sbp2_max_sectors, int, 0444);
MODULE_PARM_DESC(max_sectors, "Change max sectors per I/O supported "
"(default = " __stringify(SBP2_MAX_SECTORS) ")");
/*
* Exclusive login to sbp2 device? In most cases, the sbp2 driver should
......@@ -139,9 +140,10 @@ MODULE_PARM_DESC(max_sectors, "Change max sectors per I/O supported (default = "
* concurrent logins. Depending on firmware, four or two concurrent logins
* are possible on OXFW911 and newer Oxsemi bridges.
*/
static int exclusive_login = 1;
module_param(exclusive_login, int, 0644);
MODULE_PARM_DESC(exclusive_login, "Exclusive login to sbp2 device (default = 1)");
static int sbp2_exclusive_login = 1;
module_param_named(exclusive_login, sbp2_exclusive_login, int, 0644);
MODULE_PARM_DESC(exclusive_login, "Exclusive login to sbp2 device "
"(default = 1)");
/*
* If any of the following workarounds is required for your device to work,
......@@ -279,7 +281,7 @@ static struct device_attribute *sbp2_sysfs_sdev_attrs[] = {
NULL
};
static struct scsi_host_template scsi_driver_template = {
static struct scsi_host_template sbp2_shost_template = {
.module = THIS_MODULE,
.name = "SBP-2 IEEE-1394",
.proc_name = SBP2_DEVICE_NAME,
......@@ -388,7 +390,7 @@ static inline void sbp2util_cpu_to_be32_buffer(void *buffer, int length)
#define sbp2util_cpu_to_be32_buffer(x,y) do {} while (0)
#endif
static DECLARE_WAIT_QUEUE_HEAD(access_wq);
static DECLARE_WAIT_QUEUE_HEAD(sbp2_access_wq);
/*
* Waits for completion of an SBP-2 access request.
......@@ -397,9 +399,10 @@ static DECLARE_WAIT_QUEUE_HEAD(access_wq);
static int sbp2util_access_timeout(struct scsi_id_instance_data *scsi_id,
int timeout)
{
long leftover = wait_event_interruptible_timeout(
access_wq, scsi_id->access_complete, timeout);
long leftover;
leftover = wait_event_interruptible_timeout(
sbp2_access_wq, scsi_id->access_complete, timeout);
scsi_id->access_complete = 0;
return leftover <= 0;
}
......@@ -449,7 +452,7 @@ static void sbp2util_notify_fetch_agent(struct scsi_id_instance_data *scsi_id,
return;
if (hpsb_node_write(scsi_id->ne,
scsi_id->sbp2_command_block_agent_addr + offset,
scsi_id->command_block_agent_addr + offset,
data, len))
SBP2_ERR("sbp2util_notify_fetch_agent failed.");
/*
......@@ -478,18 +481,18 @@ static void sbp2util_write_doorbell(struct work_struct *work)
static int sbp2util_create_command_orb_pool(struct scsi_id_instance_data *scsi_id)
{
struct sbp2scsi_host_info *hi = scsi_id->hi;
struct sbp2_fwhost_info *hi = scsi_id->hi;
int i;
unsigned long flags, orbs;
struct sbp2_command_info *command;
orbs = serialize_io ? 2 : SBP2_MAX_CMDS;
orbs = sbp2_serialize_io ? 2 : SBP2_MAX_CMDS;
spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags);
spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags);
for (i = 0; i < orbs; i++) {
command = kzalloc(sizeof(*command), GFP_ATOMIC);
if (!command) {
spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock,
spin_unlock_irqrestore(&scsi_id->cmd_orb_lock,
flags);
return -ENOMEM;
}
......@@ -503,9 +506,9 @@ static int sbp2util_create_command_orb_pool(struct scsi_id_instance_data *scsi_i
sizeof(command->scatter_gather_element),
PCI_DMA_BIDIRECTIONAL);
INIT_LIST_HEAD(&command->list);
list_add_tail(&command->list, &scsi_id->sbp2_command_orb_completed);
list_add_tail(&command->list, &scsi_id->cmd_orb_completed);
}
spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags);
spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags);
return 0;
}
......@@ -516,9 +519,9 @@ static void sbp2util_remove_command_orb_pool(struct scsi_id_instance_data *scsi_
struct sbp2_command_info *command;
unsigned long flags;
spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags);
if (!list_empty(&scsi_id->sbp2_command_orb_completed)) {
list_for_each_safe(lh, next, &scsi_id->sbp2_command_orb_completed) {
spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags);
if (!list_empty(&scsi_id->cmd_orb_completed)) {
list_for_each_safe(lh, next, &scsi_id->cmd_orb_completed) {
command = list_entry(lh, struct sbp2_command_info, list);
pci_unmap_single(host->pdev, command->command_orb_dma,
sizeof(struct sbp2_command_orb),
......@@ -529,7 +532,7 @@ static void sbp2util_remove_command_orb_pool(struct scsi_id_instance_data *scsi_
kfree(command);
}
}
spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags);
spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags);
return;
}
......@@ -543,31 +546,31 @@ static struct sbp2_command_info *sbp2util_find_command_for_orb(
struct sbp2_command_info *command;
unsigned long flags;
spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags);
if (!list_empty(&scsi_id->sbp2_command_orb_inuse)) {
list_for_each_entry(command, &scsi_id->sbp2_command_orb_inuse, list) {
spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags);
if (!list_empty(&scsi_id->cmd_orb_inuse)) {
list_for_each_entry(command, &scsi_id->cmd_orb_inuse, list) {
if (command->command_orb_dma == orb) {
spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags);
spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags);
return command;
}
}
}
spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags);
spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags);
return NULL;
}
/*
* Finds the sbp2_command for a given outstanding SCpnt.
* Only looks at the in-use list.
* Must be called with scsi_id->sbp2_command_orb_lock held.
* Must be called with scsi_id->cmd_orb_lock held.
*/
static struct sbp2_command_info *sbp2util_find_command_for_SCpnt(
struct scsi_id_instance_data *scsi_id, void *SCpnt)
{
struct sbp2_command_info *command;
if (!list_empty(&scsi_id->sbp2_command_orb_inuse))
list_for_each_entry(command, &scsi_id->sbp2_command_orb_inuse, list)
if (!list_empty(&scsi_id->cmd_orb_inuse))
list_for_each_entry(command, &scsi_id->cmd_orb_inuse, list)
if (command->Current_SCpnt == SCpnt)
return command;
return NULL;
......@@ -582,18 +585,18 @@ static struct sbp2_command_info *sbp2util_allocate_command_orb(
struct sbp2_command_info *command = NULL;
unsigned long flags;
spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags);
if (!list_empty(&scsi_id->sbp2_command_orb_completed)) {
lh = scsi_id->sbp2_command_orb_completed.next;
spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags);
if (!list_empty(&scsi_id->cmd_orb_completed)) {
lh = scsi_id->cmd_orb_completed.next;
list_del(lh);
command = list_entry(lh, struct sbp2_command_info, list);
command->Current_done = Current_done;
command->Current_SCpnt = Current_SCpnt;
list_add_tail(&command->list, &scsi_id->sbp2_command_orb_inuse);
list_add_tail(&command->list, &scsi_id->cmd_orb_inuse);
} else {
SBP2_ERR("%s: no orbs available", __FUNCTION__);
}
spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags);
spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags);
return command;
}
......@@ -631,7 +634,7 @@ static void sbp2util_free_command_dma(struct sbp2_command_info *command)
/*
* This function moves a command to the completed orb list.
* Must be called with scsi_id->sbp2_command_orb_lock held.
* Must be called with scsi_id->cmd_orb_lock held.
*/
static void sbp2util_mark_command_completed(
struct scsi_id_instance_data *scsi_id,
......@@ -639,7 +642,7 @@ static void sbp2util_mark_command_completed(
{
list_del(&command->list);
sbp2util_free_command_dma(command);
list_add_tail(&command->list, &scsi_id->sbp2_command_orb_completed);
list_add_tail(&command->list, &scsi_id->cmd_orb_completed);
}
/*
......@@ -746,7 +749,7 @@ static int sbp2_update(struct unit_directory *ud)
static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud)
{
struct sbp2scsi_host_info *hi;
struct sbp2_fwhost_info *hi;
struct Scsi_Host *scsi_host = NULL;
struct scsi_id_instance_data *scsi_id = NULL;
......@@ -761,10 +764,10 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud
scsi_id->speed_code = IEEE1394_SPEED_100;
scsi_id->max_payload_size = sbp2_speedto_max_payload[IEEE1394_SPEED_100];
scsi_id->status_fifo_addr = CSR1212_INVALID_ADDR_SPACE;
INIT_LIST_HEAD(&scsi_id->sbp2_command_orb_inuse);
INIT_LIST_HEAD(&scsi_id->sbp2_command_orb_completed);
INIT_LIST_HEAD(&scsi_id->cmd_orb_inuse);
INIT_LIST_HEAD(&scsi_id->cmd_orb_completed);
INIT_LIST_HEAD(&scsi_id->scsi_list);
spin_lock_init(&scsi_id->sbp2_command_orb_lock);
spin_lock_init(&scsi_id->cmd_orb_lock);
atomic_set(&scsi_id->state, SBP2LU_STATE_RUNNING);
INIT_WORK(&scsi_id->protocol_work, NULL);
......@@ -819,7 +822,7 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud
goto failed_alloc;
}
scsi_host = scsi_host_alloc(&scsi_driver_template,
scsi_host = scsi_host_alloc(&sbp2_shost_template,
sizeof(unsigned long));
if (!scsi_host) {
SBP2_ERR("failed to register scsi host");
......@@ -843,7 +846,7 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud
static void sbp2_host_reset(struct hpsb_host *host)
{
struct sbp2scsi_host_info *hi;
struct sbp2_fwhost_info *hi;
struct scsi_id_instance_data *scsi_id;
hi = hpsb_get_hostinfo(&sbp2_highlevel, host);
......@@ -859,7 +862,7 @@ static void sbp2_host_reset(struct hpsb_host *host)
static int sbp2_start_device(struct scsi_id_instance_data *scsi_id)
{
struct sbp2scsi_host_info *hi = scsi_id->hi;
struct sbp2_fwhost_info *hi = scsi_id->hi;
int error;
scsi_id->login_response =
......@@ -944,7 +947,7 @@ static int sbp2_start_device(struct scsi_id_instance_data *scsi_id)
static void sbp2_remove_device(struct scsi_id_instance_data *scsi_id)
{
struct sbp2scsi_host_info *hi;
struct sbp2_fwhost_info *hi;
if (!scsi_id)
return;
......@@ -1035,7 +1038,7 @@ static int sbp2_handle_physdma_read(struct hpsb_host *host, int nodeid,
static int sbp2_query_logins(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 max_logins;
int active_logins;
......@@ -1048,7 +1051,7 @@ static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id)
scsi_id->query_logins_orb->lun_misc = ORB_SET_FUNCTION(SBP2_QUERY_LOGINS_REQUEST);
scsi_id->query_logins_orb->lun_misc |= ORB_SET_NOTIFY(1);
scsi_id->query_logins_orb->lun_misc |= ORB_SET_LUN(scsi_id->sbp2_lun);
scsi_id->query_logins_orb->lun_misc |= ORB_SET_LUN(scsi_id->lun);
scsi_id->query_logins_orb->reserved_resp_length =
ORB_SET_QUERY_LOGINS_RESP_LENGTH(sizeof(struct sbp2_query_logins_response));
......@@ -1066,7 +1069,7 @@ static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id)
data[1] = scsi_id->query_logins_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);
if (sbp2util_access_timeout(scsi_id, 2*HZ)) {
SBP2_INFO("Error querying logins to SBP-2 device - timed out");
......@@ -1100,17 +1103,15 @@ static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id)
static int sbp2_login_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];
if (!scsi_id->login_orb)
return -EIO;
if (!exclusive_login) {
if (sbp2_query_logins(scsi_id)) {
SBP2_INFO("Device does not support any more concurrent logins");
return -EIO;
}
if (!sbp2_exclusive_login && sbp2_query_logins(scsi_id)) {
SBP2_INFO("Device does not support any more concurrent logins");
return -EIO;
}
/* assume no password */
......@@ -1123,9 +1124,9 @@ static int sbp2_login_device(struct scsi_id_instance_data *scsi_id)
/* one second reconnect time */
scsi_id->login_orb->lun_misc |= ORB_SET_RECONNECT(0);
scsi_id->login_orb->lun_misc |= ORB_SET_EXCLUSIVE(exclusive_login);
scsi_id->login_orb->lun_misc |= ORB_SET_EXCLUSIVE(sbp2_exclusive_login);
scsi_id->login_orb->lun_misc |= ORB_SET_NOTIFY(1);
scsi_id->login_orb->lun_misc |= ORB_SET_LUN(scsi_id->sbp2_lun);
scsi_id->login_orb->lun_misc |= ORB_SET_LUN(scsi_id->lun);
scsi_id->login_orb->passwd_resp_lengths =
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);
......
drivers/ieee1394/sbp2.h
浏览文件 @ ca0c7453
......@@ -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 */
......
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