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Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/scjody/ieee1394 

* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/scjody/ieee1394:
  ohci1394: cleanup the "Unexpected PCI resource length" warning.
  sbp2: misc debug logging cleanups
  sbp2: proper treatment of DID_OK
  ieee1394: set read permission for parameter disable_irm
  sbp2: check for ARM failure
  ohci1394: clean up asynchronous and physical request filters programming
  ieee1394: remove amdtp remains from ieee1394_core.h
  ieee1394: remove devfs support
  Signed-off-by: Jody McIntyre <scjody@modernduck.com>
  sbp2: prevent unloading of 1394 low-level driver
This commit is contained in:
Linus Torvalds 2006-03-28 18:48:03 -08:00
parent 547679087b c0e4077c94
commit 224b148ef7
7 changed files with 86 additions and 182 deletions
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41
drivers/ieee1394/dv1394.c
View File

@ -73,7 +73,7 @@
- fix all XXX showstoppers
- disable IR/IT DMA interrupts on shutdown
- flush pci writes to the card by issuing a read
- devfs and character device dispatching (* needs testing with Linux 2.2.x)
- character device dispatching
- switch over to the new kernel DMA API (pci_map_*()) (* needs testing on platforms with IOMMU!)
- keep all video_cards in a list (for open() via chardev), set file->private_data = video
- dv1394_poll should indicate POLLIN when receiving buffers are available
@ -1096,7 +1096,6 @@ static int do_dv1394_init_default(struct video_card *video)
init.api_version = DV1394_API_VERSION;
init.n_frames = DV1394_MAX_FRAMES / 4;
/* the following are now set via devfs */
init.channel = video->channel;
init.format = video->pal_or_ntsc;
init.cip_n = video->cip_n;
@ -1791,8 +1790,6 @@ static int dv1394_open(struct inode *inode, struct file *file)
{
struct video_card *video = NULL;
/* if the device was opened through devfs, then file->private_data
has already been set to video by devfs */
if (file->private_data) {
video = (struct video_card*) file->private_data;
@ -2211,7 +2208,7 @@ static int dv1394_init(struct ti_ohci *ohci, enum pal_or_ntsc format, enum modes
video = kzalloc(sizeof(*video), GFP_KERNEL);
if (!video) {
printk(KERN_ERR "dv1394: cannot allocate video_card\n");
goto err;
return -1;
}
video->ohci = ohci;
@ -2266,37 +2263,14 @@ static int dv1394_init(struct ti_ohci *ohci, enum pal_or_ntsc format, enum modes
list_add_tail(&video->list, &dv1394_cards);
spin_unlock_irqrestore(&dv1394_cards_lock, flags);
if (devfs_mk_cdev(MKDEV(IEEE1394_MAJOR,
IEEE1394_MINOR_BLOCK_DV1394*16 + video->id),
S_IFCHR|S_IRUGO|S_IWUGO,
"ieee1394/dv/host%d/%s/%s",
(video->id>>2),
(video->pal_or_ntsc == DV1394_NTSC ? "NTSC" : "PAL"),
(video->mode == MODE_RECEIVE ? "in" : "out")) < 0)
goto err_free;
debug_printk("dv1394: dv1394_init() OK on ID %d\n", video->id);
return 0;
err_free:
kfree(video);
err:
return -1;
}
static void dv1394_un_init(struct video_card *video)
{
char buf[32];
/* obviously nobody has the driver open at this point */
do_dv1394_shutdown(video, 1);
snprintf(buf, sizeof(buf), "dv/host%d/%s/%s", (video->id >> 2),
(video->pal_or_ntsc == DV1394_NTSC ? "NTSC" : "PAL"),
(video->mode == MODE_RECEIVE ? "in" : "out")
);
devfs_remove("ieee1394/%s", buf);
kfree(video);
}
@ -2333,9 +2307,6 @@ static void dv1394_remove_host (struct hpsb_host *host)
class_device_destroy(hpsb_protocol_class,
MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_DV1394 * 16 + (id<<2)));
devfs_remove("ieee1394/dv/host%d/NTSC", id);
devfs_remove("ieee1394/dv/host%d/PAL", id);
devfs_remove("ieee1394/dv/host%d", id);
}
static void dv1394_add_host (struct hpsb_host *host)
@ -2352,9 +2323,6 @@ static void dv1394_add_host (struct hpsb_host *host)
class_device_create(hpsb_protocol_class, NULL, MKDEV(
IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_DV1394 * 16 + (id<<2)),
NULL, "dv1394-%d", id);
devfs_mk_dir("ieee1394/dv/host%d", id);
devfs_mk_dir("ieee1394/dv/host%d/NTSC", id);
devfs_mk_dir("ieee1394/dv/host%d/PAL", id);
dv1394_init(ohci, DV1394_NTSC, MODE_RECEIVE);
dv1394_init(ohci, DV1394_NTSC, MODE_TRANSMIT);
@ -2611,10 +2579,8 @@ MODULE_LICENSE("GPL");
static void __exit dv1394_exit_module(void)
{
hpsb_unregister_protocol(&dv1394_driver);
hpsb_unregister_highlevel(&dv1394_highlevel);
cdev_del(&dv1394_cdev);
devfs_remove("ieee1394/dv");
}
static int __init dv1394_init_module(void)
@ -2630,15 +2596,12 @@ static int __init dv1394_init_module(void)
return ret;
}
devfs_mk_dir("ieee1394/dv");
hpsb_register_highlevel(&dv1394_highlevel);
ret = hpsb_register_protocol(&dv1394_driver);
if (ret) {
printk(KERN_ERR "dv1394: failed to register protocol\n");
hpsb_unregister_highlevel(&dv1394_highlevel);
devfs_remove("ieee1394/dv");
cdev_del(&dv1394_cdev);
return ret;
}

16
drivers/ieee1394/ieee1394_core.c
View File

@ -58,7 +58,7 @@ MODULE_PARM_DESC(disable_nodemgr, "Disable nodemgr functionality.");
/* Disable Isochronous Resource Manager functionality */
int hpsb_disable_irm = 0;
module_param_named(disable_irm, hpsb_disable_irm, bool, 0);
module_param_named(disable_irm, hpsb_disable_irm, bool, 0444);
MODULE_PARM_DESC(disable_irm,
"Disable Isochronous Resource Manager functionality.");
@ -1078,17 +1078,10 @@ static int __init ieee1394_init(void)
goto exit_release_kernel_thread;
}
/* actually this is a non-fatal error */
ret = devfs_mk_dir("ieee1394");
if (ret < 0) {
HPSB_ERR("unable to make devfs dir for device major %d!\n", IEEE1394_MAJOR);
goto release_chrdev;
}
ret = bus_register(&ieee1394_bus_type);
if (ret < 0) {
HPSB_INFO("bus register failed");
goto release_devfs;
goto release_chrdev;
}
for (i = 0; fw_bus_attrs[i]; i++) {
@ -1099,7 +1092,7 @@ static int __init ieee1394_init(void)
fw_bus_attrs[i--]);
}
bus_unregister(&ieee1394_bus_type);
goto release_devfs;
goto release_chrdev;
}
}
@ -1152,8 +1145,6 @@ release_all_bus:
for (i = 0; fw_bus_attrs[i]; i++)
bus_remove_file(&ieee1394_bus_type, fw_bus_attrs[i]);
bus_unregister(&ieee1394_bus_type);
release_devfs:
devfs_remove("ieee1394");
release_chrdev:
unregister_chrdev_region(IEEE1394_CORE_DEV, 256);
exit_release_kernel_thread:
@ -1191,7 +1182,6 @@ static void __exit ieee1394_cleanup(void)
hpsb_cleanup_config_roms();
unregister_chrdev_region(IEEE1394_CORE_DEV, 256);
devfs_remove("ieee1394");
}
module_init(ieee1394_init);

3
drivers/ieee1394/ieee1394_core.h
View File

@ -3,7 +3,6 @@
#define _IEEE1394_CORE_H
#include <linux/slab.h>
#include <linux/devfs_fs_kernel.h>
#include <asm/atomic.h>
#include <asm/semaphore.h>
#include "hosts.h"
@ -202,14 +201,12 @@ void hpsb_packet_received(struct hpsb_host *host, quadlet_t *data, size_t size,
#define IEEE1394_MINOR_BLOCK_RAW1394 0
#define IEEE1394_MINOR_BLOCK_VIDEO1394 1
#define IEEE1394_MINOR_BLOCK_DV1394 2
#define IEEE1394_MINOR_BLOCK_AMDTP 3
#define IEEE1394_MINOR_BLOCK_EXPERIMENTAL 15
#define IEEE1394_CORE_DEV MKDEV(IEEE1394_MAJOR, 0)
#define IEEE1394_RAW1394_DEV MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_RAW1394 * 16)
#define IEEE1394_VIDEO1394_DEV MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_VIDEO1394 * 16)
#define IEEE1394_DV1394_DEV MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_DV1394 * 16)
#define IEEE1394_AMDTP_DEV MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_AMDTP * 16)
#define IEEE1394_EXPERIMENTAL_DEV MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_EXPERIMENTAL * 16)
/* return the index (within a minor number block) of a file */

49
drivers/ieee1394/ohci1394.c
View File

@ -544,12 +544,19 @@ static void ohci_initialize(struct ti_ohci *ohci)
/* Initialize IR Legacy DMA channel mask */
ohci->ir_legacy_channels = 0;
/*
* Accept AT requests from all nodes. This probably
* will have to be controlled from the subsystem
* on a per node basis.
*/
reg_write(ohci,OHCI1394_AsReqFilterHiSet, 0x80000000);
/* Accept AR requests from all nodes */
reg_write(ohci, OHCI1394_AsReqFilterHiSet, 0x80000000);
/* Set the address range of the physical response unit.
* Most controllers do not implement it as a writable register though.
* They will keep a hardwired offset of 0x00010000 and show 0x0 as
* register content.
* To actually enable physical responses is the job of our interrupt
* handler which programs the physical request filter. */
reg_write(ohci, OHCI1394_PhyUpperBound, 0xffff0000);
DBGMSG("physUpperBoundOffset=%08x",
reg_read(ohci, OHCI1394_PhyUpperBound));
/* Specify AT retries */
reg_write(ohci, OHCI1394_ATRetries,
@ -572,6 +579,7 @@ static void ohci_initialize(struct ti_ohci *ohci)
OHCI1394_reqTxComplete |
OHCI1394_isochRx |
OHCI1394_isochTx |
OHCI1394_postedWriteErr |
OHCI1394_cycleInconsistent);
/* Enable link */
@ -2374,7 +2382,10 @@ static irqreturn_t ohci_irq_handler(int irq, void *dev_id,
event &= ~OHCI1394_unrecoverableError;
}
if (event & OHCI1394_postedWriteErr) {
PRINT(KERN_ERR, "physical posted write error");
/* no recovery strategy yet, had to involve protocol drivers */
}
if (event & OHCI1394_cycleInconsistent) {
/* We subscribe to the cycleInconsistent event only to
* clear the corresponding event bit... otherwise,
@ -2382,7 +2393,6 @@ static irqreturn_t ohci_irq_handler(int irq, void *dev_id,
DBGMSG("OHCI1394_cycleInconsistent");
event &= ~OHCI1394_cycleInconsistent;
}
if (event & OHCI1394_busReset) {
/* The busReset event bit can't be cleared during the
* selfID phase, so we disable busReset interrupts, to
@ -2426,7 +2436,6 @@ static irqreturn_t ohci_irq_handler(int irq, void *dev_id,
}
event &= ~OHCI1394_busReset;
}
if (event & OHCI1394_reqTxComplete) {
struct dma_trm_ctx *d = &ohci->at_req_context;
DBGMSG("Got reqTxComplete interrupt "
@ -2514,26 +2523,20 @@ static irqreturn_t ohci_irq_handler(int irq, void *dev_id,
reg_write(ohci, OHCI1394_IntMaskSet, OHCI1394_busReset);
spin_unlock_irqrestore(&ohci->event_lock, flags);
/* Accept Physical requests from all nodes. */
reg_write(ohci,OHCI1394_AsReqFilterHiSet, 0xffffffff);
reg_write(ohci,OHCI1394_AsReqFilterLoSet, 0xffffffff);
/* Turn on phys dma reception.
*
* TODO: Enable some sort of filtering management.
*/
if (phys_dma) {
reg_write(ohci,OHCI1394_PhyReqFilterHiSet, 0xffffffff);
reg_write(ohci,OHCI1394_PhyReqFilterLoSet, 0xffffffff);
reg_write(ohci,OHCI1394_PhyUpperBound, 0xffff0000);
} else {
reg_write(ohci,OHCI1394_PhyReqFilterHiSet, 0x00000000);
reg_write(ohci,OHCI1394_PhyReqFilterLoSet, 0x00000000);
reg_write(ohci, OHCI1394_PhyReqFilterHiSet,
0xffffffff);
reg_write(ohci, OHCI1394_PhyReqFilterLoSet,
0xffffffff);
}
DBGMSG("PhyReqFilter=%08x%08x",
reg_read(ohci,OHCI1394_PhyReqFilterHiSet),
reg_read(ohci,OHCI1394_PhyReqFilterLoSet));
reg_read(ohci, OHCI1394_PhyReqFilterHiSet),
reg_read(ohci, OHCI1394_PhyReqFilterLoSet));
hpsb_selfid_complete(host, phyid, isroot);
} else
@ -3259,8 +3262,8 @@ static int __devinit ohci1394_pci_probe(struct pci_dev *dev,
* fail to report the right length. Anyway, the ohci spec
* clearly says it's 2kb, so this shouldn't be a problem. */
ohci_base = pci_resource_start(dev, 0);
if (pci_resource_len(dev, 0) != OHCI1394_REGISTER_SIZE)
PRINT(KERN_WARNING, "Unexpected PCI resource length of %lx!",
if (pci_resource_len(dev, 0) < OHCI1394_REGISTER_SIZE)
PRINT(KERN_WARNING, "PCI resource length of %lx too small!",
pci_resource_len(dev, 0));
/* Seems PCMCIA handles this internally. Not sure why. Seems

6
drivers/ieee1394/raw1394.c
View File

@ -41,7 +41,6 @@
#include <linux/cdev.h>
#include <asm/uaccess.h>
#include <asm/atomic.h>
#include <linux/devfs_fs_kernel.h>
#include <linux/compat.h>
#include "csr1212.h"
@ -2999,9 +2998,6 @@ static int __init init_raw1394(void)
goto out_unreg;
}
devfs_mk_cdev(MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_RAW1394 * 16),
S_IFCHR | S_IRUSR | S_IWUSR, RAW1394_DEVICE_NAME);
cdev_init(&raw1394_cdev, &raw1394_fops);
raw1394_cdev.owner = THIS_MODULE;
kobject_set_name(&raw1394_cdev.kobj, RAW1394_DEVICE_NAME);
@ -3023,7 +3019,6 @@ static int __init init_raw1394(void)
goto out;
out_dev:
devfs_remove(RAW1394_DEVICE_NAME);
class_device_destroy(hpsb_protocol_class,
MKDEV(IEEE1394_MAJOR,
IEEE1394_MINOR_BLOCK_RAW1394 * 16));
@ -3039,7 +3034,6 @@ static void __exit cleanup_raw1394(void)
MKDEV(IEEE1394_MAJOR,
IEEE1394_MINOR_BLOCK_RAW1394 * 16));
cdev_del(&raw1394_cdev);
devfs_remove(RAW1394_DEVICE_NAME);
hpsb_unregister_highlevel(&raw1394_highlevel);
hpsb_unregister_protocol(&raw1394_driver);
}

137
drivers/ieee1394/sbp2.c
View File

@ -214,6 +214,7 @@ static u32 global_outstanding_dmas = 0;
#endif
#define SBP2_ERR(fmt, args...) HPSB_ERR("sbp2: "fmt, ## args)
#define SBP2_DEBUG_ENTER() SBP2_DEBUG("%s", __FUNCTION__)
/*
* Globals
@ -535,7 +536,7 @@ static struct sbp2_command_info *sbp2util_allocate_command_orb(
command->Current_SCpnt = Current_SCpnt;
list_add_tail(&command->list, &scsi_id->sbp2_command_orb_inuse);
} else {
SBP2_ERR("sbp2util_allocate_command_orb - No orbs available!");
SBP2_ERR("%s: no orbs available", __FUNCTION__);
}
spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags);
return command;
@ -549,7 +550,7 @@ static void sbp2util_free_command_dma(struct sbp2_command_info *command)
struct hpsb_host *host;
if (!scsi_id) {
printk(KERN_ERR "%s: scsi_id == NULL\n", __FUNCTION__);
SBP2_ERR("%s: scsi_id == NULL", __FUNCTION__);
return;
}
@ -610,7 +611,7 @@ static int sbp2_probe(struct device *dev)
struct unit_directory *ud;
struct scsi_id_instance_data *scsi_id;
SBP2_DEBUG("sbp2_probe");
SBP2_DEBUG_ENTER();
ud = container_of(dev, struct unit_directory, device);
@ -635,7 +636,7 @@ static int sbp2_remove(struct device *dev)
struct scsi_id_instance_data *scsi_id;
struct scsi_device *sdev;
SBP2_DEBUG("sbp2_remove");
SBP2_DEBUG_ENTER();
ud = container_of(dev, struct unit_directory, device);
scsi_id = ud->device.driver_data;
@ -667,7 +668,7 @@ static int sbp2_update(struct unit_directory *ud)
{
struct scsi_id_instance_data *scsi_id = ud->device.driver_data;
SBP2_DEBUG("sbp2_update");
SBP2_DEBUG_ENTER();
if (sbp2_reconnect_device(scsi_id)) {
@ -715,7 +716,7 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud
struct Scsi_Host *scsi_host = NULL;
struct scsi_id_instance_data *scsi_id = NULL;
SBP2_DEBUG("sbp2_alloc_device");
SBP2_DEBUG_ENTER();
scsi_id = kzalloc(sizeof(*scsi_id), GFP_KERNEL);
if (!scsi_id) {
@ -749,12 +750,22 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud
#ifdef CONFIG_IEEE1394_SBP2_PHYS_DMA
/* Handle data movement if physical dma is not
* enabled/supportedon host controller */
hpsb_register_addrspace(&sbp2_highlevel, ud->ne->host, &sbp2_physdma_ops,
0x0ULL, 0xfffffffcULL);
* enabled or not supported on host controller */
if (!hpsb_register_addrspace(&sbp2_highlevel, ud->ne->host,
&sbp2_physdma_ops,
0x0ULL, 0xfffffffcULL)) {
SBP2_ERR("failed to register lower 4GB address range");
goto failed_alloc;
}
#endif
}
/* Prevent unloading of the 1394 host */
if (!try_module_get(hi->host->driver->owner)) {
SBP2_ERR("failed to get a reference on 1394 host driver");
goto failed_alloc;
}
scsi_id->hi = hi;
list_add_tail(&scsi_id->scsi_list, &hi->scsi_ids);
@ -816,7 +827,7 @@ static int sbp2_start_device(struct scsi_id_instance_data *scsi_id)
struct sbp2scsi_host_info *hi = scsi_id->hi;
int error;
SBP2_DEBUG("sbp2_start_device");
SBP2_DEBUG_ENTER();
/* Login FIFO DMA */
scsi_id->login_response =
@ -891,7 +902,6 @@ static int sbp2_start_device(struct scsi_id_instance_data *scsi_id)
* allows someone else to login instead. One second makes sense. */
msleep_interruptible(1000);
if (signal_pending(current)) {
SBP2_WARN("aborting sbp2_start_device due to event");
sbp2_remove_device(scsi_id);
return -EINTR;
}
@ -944,7 +954,7 @@ static void sbp2_remove_device(struct scsi_id_instance_data *scsi_id)
{
struct sbp2scsi_host_info *hi;
SBP2_DEBUG("sbp2_remove_device");
SBP2_DEBUG_ENTER();
if (!scsi_id)
return;
@ -1015,6 +1025,9 @@ static void sbp2_remove_device(struct scsi_id_instance_data *scsi_id)
scsi_id->ud->device.driver_data = NULL;
if (hi)
module_put(hi->host->driver->owner);
SBP2_DEBUG("SBP-2 device removed, SCSI ID = %d", scsi_id->ud->id);
kfree(scsi_id);
@ -1073,23 +1086,20 @@ static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id)
int max_logins;
int active_logins;
SBP2_DEBUG("sbp2_query_logins");
SBP2_DEBUG_ENTER();
scsi_id->query_logins_orb->reserved1 = 0x0;
scsi_id->query_logins_orb->reserved2 = 0x0;
scsi_id->query_logins_orb->query_response_lo = scsi_id->query_logins_response_dma;
scsi_id->query_logins_orb->query_response_hi = ORB_SET_NODE_ID(hi->host->node_id);
SBP2_DEBUG("sbp2_query_logins: query_response_hi/lo initialized");
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);
SBP2_DEBUG("sbp2_query_logins: lun_misc initialized");
scsi_id->query_logins_orb->reserved_resp_length =
ORB_SET_QUERY_LOGINS_RESP_LENGTH(sizeof(struct sbp2_query_logins_response));
SBP2_DEBUG("sbp2_query_logins: reserved_resp_length initialized");
scsi_id->query_logins_orb->status_fifo_hi =
ORB_SET_STATUS_FIFO_HI(scsi_id->status_fifo_addr, hi->host->node_id);
@ -1098,25 +1108,19 @@ static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id)
sbp2util_cpu_to_be32_buffer(scsi_id->query_logins_orb, sizeof(struct sbp2_query_logins_orb));
SBP2_DEBUG("sbp2_query_logins: orb byte-swapped");
sbp2util_packet_dump(scsi_id->query_logins_orb, sizeof(struct sbp2_query_logins_orb),
"sbp2 query logins orb", scsi_id->query_logins_orb_dma);
memset(scsi_id->query_logins_response, 0, sizeof(struct sbp2_query_logins_response));
memset(&scsi_id->status_block, 0, sizeof(struct sbp2_status_block));
SBP2_DEBUG("sbp2_query_logins: query_logins_response/status FIFO memset");
data[0] = ORB_SET_NODE_ID(hi->host->node_id);
data[1] = scsi_id->query_logins_orb_dma;
sbp2util_cpu_to_be32_buffer(data, 8);
atomic_set(&scsi_id->sbp2_login_complete, 0);
SBP2_DEBUG("sbp2_query_logins: prepared to write");
hpsb_node_write(scsi_id->ne, scsi_id->sbp2_management_agent_addr, data, 8);
SBP2_DEBUG("sbp2_query_logins: written");
if (sbp2util_down_timeout(&scsi_id->sbp2_login_complete, 2*HZ)) {
SBP2_INFO("Error querying logins to SBP-2 device - timed out");
@ -1165,10 +1169,10 @@ static int sbp2_login_device(struct scsi_id_instance_data *scsi_id)
struct sbp2scsi_host_info *hi = scsi_id->hi;
quadlet_t data[2];
SBP2_DEBUG("sbp2_login_device");
SBP2_DEBUG_ENTER();
if (!scsi_id->login_orb) {
SBP2_DEBUG("sbp2_login_device: login_orb not alloc'd!");
SBP2_DEBUG("%s: login_orb not alloc'd!", __FUNCTION__);
return -EIO;
}
@ -1182,59 +1186,39 @@ static int sbp2_login_device(struct scsi_id_instance_data *scsi_id)
/* Set-up login ORB, assume no password */
scsi_id->login_orb->password_hi = 0;
scsi_id->login_orb->password_lo = 0;
SBP2_DEBUG("sbp2_login_device: password_hi/lo initialized");
scsi_id->login_orb->login_response_lo = scsi_id->login_response_dma;
scsi_id->login_orb->login_response_hi = ORB_SET_NODE_ID(hi->host->node_id);
SBP2_DEBUG("sbp2_login_device: login_response_hi/lo initialized");
scsi_id->login_orb->lun_misc = ORB_SET_FUNCTION(SBP2_LOGIN_REQUEST);
scsi_id->login_orb->lun_misc |= ORB_SET_RECONNECT(0); /* One second reconnect time */
scsi_id->login_orb->lun_misc |= ORB_SET_EXCLUSIVE(exclusive_login); /* Exclusive access to device */
scsi_id->login_orb->lun_misc |= ORB_SET_NOTIFY(1); /* Notify us of login complete */
scsi_id->login_orb->lun_misc |= ORB_SET_LUN(scsi_id->sbp2_lun);
SBP2_DEBUG("sbp2_login_device: lun_misc initialized");
scsi_id->login_orb->passwd_resp_lengths =
ORB_SET_LOGIN_RESP_LENGTH(sizeof(struct sbp2_login_response));
SBP2_DEBUG("sbp2_login_device: passwd_resp_lengths initialized");
scsi_id->login_orb->status_fifo_hi =
ORB_SET_STATUS_FIFO_HI(scsi_id->status_fifo_addr, hi->host->node_id);
scsi_id->login_orb->status_fifo_lo =
ORB_SET_STATUS_FIFO_LO(scsi_id->status_fifo_addr);
/*
* Byte swap ORB if necessary
*/
sbp2util_cpu_to_be32_buffer(scsi_id->login_orb, sizeof(struct sbp2_login_orb));
SBP2_DEBUG("sbp2_login_device: orb byte-swapped");
sbp2util_packet_dump(scsi_id->login_orb, sizeof(struct sbp2_login_orb),
"sbp2 login orb", scsi_id->login_orb_dma);
/*
* Initialize login response and status fifo
*/
memset(scsi_id->login_response, 0, sizeof(struct sbp2_login_response));
memset(&scsi_id->status_block, 0, sizeof(struct sbp2_status_block));
SBP2_DEBUG("sbp2_login_device: login_response/status FIFO memset");
/*
* Ok, let's write to the target's management agent register
*/
data[0] = ORB_SET_NODE_ID(hi->host->node_id);
data[1] = scsi_id->login_orb_dma;
sbp2util_cpu_to_be32_buffer(data, 8);
atomic_set(&scsi_id->sbp2_login_complete, 0);
SBP2_DEBUG("sbp2_login_device: prepared to write to %08x",
(unsigned int)scsi_id->sbp2_management_agent_addr);
hpsb_node_write(scsi_id->ne, scsi_id->sbp2_management_agent_addr, data, 8);
SBP2_DEBUG("sbp2_login_device: written");
/*
* Wait for login status (up to 20 seconds)...
@ -1298,7 +1282,7 @@ static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id)
quadlet_t data[2];
int error;
SBP2_DEBUG("sbp2_logout_device");
SBP2_DEBUG_ENTER();
/*
* Set-up logout ORB
@ -1362,7 +1346,7 @@ static int sbp2_reconnect_device(struct scsi_id_instance_data *scsi_id)
quadlet_t data[2];
int error;
SBP2_DEBUG("sbp2_reconnect_device");
SBP2_DEBUG_ENTER();
/*
* Set-up reconnect ORB
@ -1453,17 +1437,11 @@ static int sbp2_set_busy_timeout(struct scsi_id_instance_data *scsi_id)
{
quadlet_t data;
SBP2_DEBUG("sbp2_set_busy_timeout");
SBP2_DEBUG_ENTER();
/*
* Ok, let's write to the target's busy timeout register
*/
data = cpu_to_be32(SBP2_BUSY_TIMEOUT_VALUE);
if (hpsb_node_write(scsi_id->ne, SBP2_BUSY_TIMEOUT_ADDRESS, &data, 4)) {
SBP2_ERR("sbp2_set_busy_timeout error");
}
if (hpsb_node_write(scsi_id->ne, SBP2_BUSY_TIMEOUT_ADDRESS, &data, 4))
SBP2_ERR("%s error", __FUNCTION__);
return 0;
}
@ -1482,7 +1460,7 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id,
firmware_revision, workarounds;
int i;
SBP2_DEBUG("sbp2_parse_unit_directory");
SBP2_DEBUG_ENTER();
management_agent_addr = 0x0;
command_set_spec_id = 0x0;
@ -1615,7 +1593,7 @@ static int sbp2_max_speed_and_size(struct scsi_id_instance_data *scsi_id)
{
struct sbp2scsi_host_info *hi = scsi_id->hi;
SBP2_DEBUG("sbp2_max_speed_and_size");
SBP2_DEBUG_ENTER();
/* Initial setting comes from the hosts speed map */
scsi_id->speed_code =
@ -1652,11 +1630,8 @@ static int sbp2_agent_reset(struct scsi_id_instance_data *scsi_id, int wait)
u64 addr;
int retval;
SBP2_DEBUG("sbp2_agent_reset");
SBP2_DEBUG_ENTER();
/*
* Ok, let's write to the target's management agent register
*/
data = ntohl(SBP2_AGENT_RESET_DATA);
addr = scsi_id->sbp2_command_block_agent_addr + SBP2_AGENT_RESET_OFFSET;
@ -2004,11 +1979,7 @@ static int sbp2_send_command(struct scsi_id_instance_data *scsi_id,
unsigned int request_bufflen = SCpnt->request_bufflen;
struct sbp2_command_info *command;
SBP2_DEBUG("sbp2_send_command");
#if (CONFIG_IEEE1394_SBP2_DEBUG >= 2) || defined(CONFIG_IEEE1394_SBP2_PACKET_DUMP)
printk("[scsi command]\n ");
scsi_print_command(SCpnt);
#endif
SBP2_DEBUG_ENTER();
SBP2_DEBUG("SCSI transfer size = %x", request_bufflen);
SBP2_DEBUG("SCSI s/g elements = %x", (unsigned int)SCpnt->use_sg);
@ -2048,7 +2019,7 @@ static int sbp2_send_command(struct scsi_id_instance_data *scsi_id,
*/
static unsigned int sbp2_status_to_sense_data(unchar *sbp2_status, unchar *sense_data)
{
SBP2_DEBUG("sbp2_status_to_sense_data");
SBP2_DEBUG_ENTER();
/*
* Ok, it's pretty ugly... ;-)
@ -2082,7 +2053,7 @@ static void sbp2_check_sbp2_response(struct scsi_id_instance_data *scsi_id,
{
u8 *scsi_buf = SCpnt->request_buffer;
SBP2_DEBUG("sbp2_check_sbp2_response");
SBP2_DEBUG_ENTER();
if (SCpnt->cmnd[0] == INQUIRY && (SCpnt->cmnd[1] & 3) == 0) {
/*
@ -2113,7 +2084,7 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, int dest
struct sbp2_command_info *command;
unsigned long flags;
SBP2_DEBUG("sbp2_handle_status_write");
SBP2_DEBUG_ENTER();
sbp2util_packet_dump(data, length, "sbp2 status write by device", (u32)addr);
@ -2260,7 +2231,10 @@ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt,
struct sbp2scsi_host_info *hi;
int result = DID_NO_CONNECT << 16;
SBP2_DEBUG("sbp2scsi_queuecommand");
SBP2_DEBUG_ENTER();
#if (CONFIG_IEEE1394_SBP2_DEBUG >= 2) || defined(CONFIG_IEEE1394_SBP2_PACKET_DUMP)
scsi_print_command(SCpnt);
#endif
if (!sbp2util_node_is_available(scsi_id))
goto done;
@ -2338,7 +2312,7 @@ static void sbp2scsi_complete_all_commands(struct scsi_id_instance_data *scsi_id
struct sbp2_command_info *command;
unsigned long flags;
SBP2_DEBUG("sbp2scsi_complete_all_commands");
SBP2_DEBUG_ENTER();
spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags);
while (!list_empty(&scsi_id->sbp2_command_orb_inuse)) {
@ -2371,7 +2345,7 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id,
u32 scsi_status, struct scsi_cmnd *SCpnt,
void (*done)(struct scsi_cmnd *))
{
SBP2_DEBUG("sbp2scsi_complete_command");
SBP2_DEBUG_ENTER();
/*
* Sanity
@ -2397,7 +2371,7 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id,
*/
switch (scsi_status) {
case SBP2_SCSI_STATUS_GOOD:
SCpnt->result = DID_OK;
SCpnt->result = DID_OK << 16;
break;
case SBP2_SCSI_STATUS_BUSY:
@ -2407,16 +2381,11 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id,
case SBP2_SCSI_STATUS_CHECK_CONDITION:
SBP2_DEBUG("SBP2_SCSI_STATUS_CHECK_CONDITION");
SCpnt->result = CHECK_CONDITION << 1;
/*
* Debug stuff
*/
SCpnt->result = CHECK_CONDITION << 1 | DID_OK << 16;
#if CONFIG_IEEE1394_SBP2_DEBUG >= 1
scsi_print_command(SCpnt);
scsi_print_sense("bh", SCpnt);
scsi_print_sense(SBP2_DEVICE_NAME, SCpnt);
#endif
break;
case SBP2_SCSI_STATUS_SELECTION_TIMEOUT:
@ -2441,7 +2410,7 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id,
/*
* Take care of any sbp2 response data mucking here (RBC stuff, etc.)
*/
if (SCpnt->result == DID_OK) {
if (SCpnt->result == DID_OK << 16) {
sbp2_check_sbp2_response(scsi_id, SCpnt);
}
@ -2459,6 +2428,8 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id,
* If a unit attention occurs, return busy status so it gets
* retried... it could have happened because of a 1394 bus reset
* or hot-plug...
* XXX DID_BUS_BUSY is actually a bad idea because it will defy
* the scsi layer's retry logic.
*/
#if 0
if ((scsi_status == SBP2_SCSI_STATUS_CHECK_CONDITION) &&
@ -2624,7 +2595,7 @@ static int sbp2_module_init(void)
{
int ret;
SBP2_DEBUG("sbp2_module_init");
SBP2_DEBUG_ENTER();
/* Module load debug option to force one command at a time (serializing I/O) */
if (serialize_io) {
@ -2652,7 +2623,7 @@ static int sbp2_module_init(void)
static void __exit sbp2_module_exit(void)
{
SBP2_DEBUG("sbp2_module_exit");
SBP2_DEBUG_ENTER();
hpsb_unregister_protocol(&sbp2_driver);

16
drivers/ieee1394/video1394.c
View File

@ -42,7 +42,6 @@
#include <linux/poll.h>
#include <linux/smp_lock.h>
#include <linux/delay.h>
#include <linux/devfs_fs_kernel.h>
#include <linux/bitops.h>
#include <linux/types.h>
#include <linux/vmalloc.h>
@ -1322,9 +1321,6 @@ static void video1394_add_host (struct hpsb_host *host)
class_device_create(hpsb_protocol_class, NULL, MKDEV(
IEEE1394_MAJOR, minor),
NULL, "%s-%d", VIDEO1394_DRIVER_NAME, ohci->host->id);
devfs_mk_cdev(MKDEV(IEEE1394_MAJOR, minor),
S_IFCHR | S_IRUSR | S_IWUSR,
"%s/%d", VIDEO1394_DRIVER_NAME, ohci->host->id);
}
@ -1332,12 +1328,9 @@ static void video1394_remove_host (struct hpsb_host *host)
{
struct ti_ohci *ohci = hpsb_get_hostinfo(&video1394_highlevel, host);
if (ohci) {
if (ohci)
class_device_destroy(hpsb_protocol_class, MKDEV(IEEE1394_MAJOR,
IEEE1394_MINOR_BLOCK_VIDEO1394 * 16 + ohci->host->id));
devfs_remove("%s/%d", VIDEO1394_DRIVER_NAME, ohci->host->id);
}
return;
}
@ -1478,12 +1471,8 @@ static long video1394_compat_ioctl(struct file *f, unsigned cmd, unsigned long a
static void __exit video1394_exit_module (void)
{
hpsb_unregister_protocol(&video1394_driver);
hpsb_unregister_highlevel(&video1394_highlevel);
devfs_remove(VIDEO1394_DRIVER_NAME);
cdev_del(&video1394_cdev);
PRINT_G(KERN_INFO, "Removed " VIDEO1394_DRIVER_NAME " module");
}
@ -1500,15 +1489,12 @@ static int __init video1394_init_module (void)
return ret;
}
devfs_mk_dir(VIDEO1394_DRIVER_NAME);
hpsb_register_highlevel(&video1394_highlevel);
ret = hpsb_register_protocol(&video1394_driver);
if (ret) {
PRINT_G(KERN_ERR, "video1394: failed to register protocol");
hpsb_unregister_highlevel(&video1394_highlevel);
devfs_remove(VIDEO1394_DRIVER_NAME);
cdev_del(&video1394_cdev);
return ret;
}