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-rw-r--r--drivers/ieee1394/amdtp.c1
-rw-r--r--drivers/ieee1394/csr1212.h1
-rw-r--r--drivers/ieee1394/dv1394.c1
-rw-r--r--drivers/ieee1394/eth1394.c12
-rw-r--r--drivers/ieee1394/eth1394.h6
-rw-r--r--drivers/ieee1394/hosts.c3
-rw-r--r--drivers/ieee1394/hosts.h8
-rw-r--r--drivers/ieee1394/ieee1394_core.c32
-rw-r--r--drivers/ieee1394/nodemgr.c23
-rw-r--r--drivers/ieee1394/ohci1394.c10
-rw-r--r--drivers/ieee1394/raw1394.c103
-rw-r--r--drivers/ieee1394/sbp2.c107
-rw-r--r--drivers/ieee1394/video1394.c1
13 files changed, 163 insertions, 145 deletions
diff --git a/drivers/ieee1394/amdtp.c b/drivers/ieee1394/amdtp.c
index 84ae027b021a..e8e28569a668 100644
--- a/drivers/ieee1394/amdtp.c
+++ b/drivers/ieee1394/amdtp.c
@@ -1297,4 +1297,3 @@ static void __exit amdtp_exit_module (void)
module_init(amdtp_init_module);
module_exit(amdtp_exit_module);
-MODULE_ALIAS_CHARDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_AMDTP * 16);
diff --git a/drivers/ieee1394/csr1212.h b/drivers/ieee1394/csr1212.h
index e6734263a1d3..28c5f4b726e2 100644
--- a/drivers/ieee1394/csr1212.h
+++ b/drivers/ieee1394/csr1212.h
@@ -37,7 +37,6 @@
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
-#include <linux/sched.h>
#include <linux/vmalloc.h>
#include <asm/pgalloc.h>
diff --git a/drivers/ieee1394/dv1394.c b/drivers/ieee1394/dv1394.c
index 4538b0235ca3..e34730c7a874 100644
--- a/drivers/ieee1394/dv1394.c
+++ b/drivers/ieee1394/dv1394.c
@@ -2660,4 +2660,3 @@ static int __init dv1394_init_module(void)
module_init(dv1394_init_module);
module_exit(dv1394_exit_module);
-MODULE_ALIAS_CHARDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_DV1394 * 16);
diff --git a/drivers/ieee1394/eth1394.c b/drivers/ieee1394/eth1394.c
index cd53c174ced1..4802bbbb6dc9 100644
--- a/drivers/ieee1394/eth1394.c
+++ b/drivers/ieee1394/eth1394.c
@@ -89,7 +89,7 @@
#define TRACE() printk(KERN_ERR "%s:%s[%d] ---- TRACE\n", driver_name, __FUNCTION__, __LINE__)
static char version[] __devinitdata =
- "$Rev: 1264 $ Ben Collins <bcollins@debian.org>";
+ "$Rev: 1312 $ Ben Collins <bcollins@debian.org>";
struct fragment_info {
struct list_head list;
@@ -221,9 +221,7 @@ static int ether1394_open (struct net_device *dev)
if (priv->bc_state == ETHER1394_BC_ERROR) {
/* we'll try again */
priv->iso = hpsb_iso_recv_init(priv->host,
- ETHER1394_GASP_BUFFERS * 2 *
- (1 << (priv->host->csr.max_rec +
- 1)),
+ ETHER1394_ISO_BUF_SIZE,
ETHER1394_GASP_BUFFERS,
priv->broadcast_channel,
HPSB_ISO_DMA_PACKET_PER_BUFFER,
@@ -635,8 +633,8 @@ static void ether1394_add_host (struct hpsb_host *host)
* be checked when the eth device is opened. */
priv->broadcast_channel = host->csr.broadcast_channel & 0x3f;
- priv->iso = hpsb_iso_recv_init(host, (ETHER1394_GASP_BUFFERS * 2 *
- (1 << (host->csr.max_rec + 1))),
+ priv->iso = hpsb_iso_recv_init(host,
+ ETHER1394_ISO_BUF_SIZE,
ETHER1394_GASP_BUFFERS,
priv->broadcast_channel,
HPSB_ISO_DMA_PACKET_PER_BUFFER,
@@ -1770,7 +1768,7 @@ fail:
static void ether1394_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
strcpy (info->driver, driver_name);
- strcpy (info->version, "$Rev: 1264 $");
+ strcpy (info->version, "$Rev: 1312 $");
/* FIXME XXX provide sane businfo */
strcpy (info->bus_info, "ieee1394");
}
diff --git a/drivers/ieee1394/eth1394.h b/drivers/ieee1394/eth1394.h
index ed8f1c4b7fd8..a77213cfc483 100644
--- a/drivers/ieee1394/eth1394.h
+++ b/drivers/ieee1394/eth1394.h
@@ -44,6 +44,12 @@
#define ETHER1394_GASP_BUFFERS 16
+/* rawiso buffer size - due to a limitation in rawiso, we must limit each
+ * GASP buffer to be less than PAGE_SIZE. */
+#define ETHER1394_ISO_BUF_SIZE ETHER1394_GASP_BUFFERS * \
+ min((unsigned int)PAGE_SIZE, \
+ 2 * (1U << (priv->host->csr.max_rec + 1)))
+
/* Node set == 64 */
#define NODE_SET (ALL_NODES + 1)
diff --git a/drivers/ieee1394/hosts.c b/drivers/ieee1394/hosts.c
index c502c6e9c440..aeeaeb670d03 100644
--- a/drivers/ieee1394/hosts.c
+++ b/drivers/ieee1394/hosts.c
@@ -18,6 +18,7 @@
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/timer.h>
+#include <linux/jiffies.h>
#include "csr1212.h"
#include "ieee1394.h"
@@ -217,7 +218,7 @@ int hpsb_update_config_rom_image(struct hpsb_host *host)
/* IEEE 1394a-2000 prohibits using the same generation number
* twice in a 60 second period. */
- if (jiffies - host->csr.gen_timestamp[next_gen] < 60 * HZ)
+ if (time_before(jiffies, host->csr.gen_timestamp[next_gen] + 60 * HZ))
/* Wait 60 seconds from the last time this generation number was
* used. */
reset_delay = (60 * HZ) + host->csr.gen_timestamp[next_gen] - jiffies;
diff --git a/drivers/ieee1394/hosts.h b/drivers/ieee1394/hosts.h
index 739e76840d51..38f42112dff0 100644
--- a/drivers/ieee1394/hosts.h
+++ b/drivers/ieee1394/hosts.h
@@ -135,17 +135,17 @@ enum isoctl_cmd {
enum reset_types {
/* 166 microsecond reset -- only type of reset available on
- non-1394a capable IEEE 1394 controllers */
+ non-1394a capable controllers */
LONG_RESET,
/* Short (arbitrated) reset -- only available on 1394a capable
- IEEE 1394 capable controllers */
+ controllers */
SHORT_RESET,
- /* Variants, that set force_root before issueing the bus reset */
+ /* Variants that set force_root before issueing the bus reset */
LONG_RESET_FORCE_ROOT, SHORT_RESET_FORCE_ROOT,
- /* Variants, that clear force_root before issueing the bus reset */
+ /* Variants that clear force_root before issueing the bus reset */
LONG_RESET_NO_FORCE_ROOT, SHORT_RESET_NO_FORCE_ROOT
};
diff --git a/drivers/ieee1394/ieee1394_core.c b/drivers/ieee1394/ieee1394_core.c
index d633770fac8e..32a1e016c85e 100644
--- a/drivers/ieee1394/ieee1394_core.c
+++ b/drivers/ieee1394/ieee1394_core.c
@@ -70,7 +70,7 @@ const char *hpsb_speedto_str[] = { "S100", "S200", "S400", "S800", "S1600", "S32
struct class *hpsb_protocol_class;
#ifdef CONFIG_IEEE1394_VERBOSEDEBUG
-static void dump_packet(const char *text, quadlet_t *data, int size)
+static void dump_packet(const char *text, quadlet_t *data, int size, int speed)
{
int i;
@@ -78,12 +78,15 @@ static void dump_packet(const char *text, quadlet_t *data, int size)
size = (size > 4 ? 4 : size);
printk(KERN_DEBUG "ieee1394: %s", text);
+ if (speed > -1 && speed < 6)
+ printk(" at %s", hpsb_speedto_str[speed]);
+ printk(":");
for (i = 0; i < size; i++)
printk(" %08x", data[i]);
printk("\n");
}
#else
-#define dump_packet(x,y,z)
+#define dump_packet(a,b,c,d)
#endif
static void abort_requests(struct hpsb_host *host);
@@ -544,8 +547,7 @@ int hpsb_send_packet(struct hpsb_packet *packet)
if (packet->data_size)
memcpy(((u8*)data) + packet->header_size, packet->data, packet->data_size);
- dump_packet("send packet local:", packet->header,
- packet->header_size);
+ dump_packet("send packet local", packet->header, packet->header_size, -1);
hpsb_packet_sent(host, packet, packet->expect_response ? ACK_PENDING : ACK_COMPLETE);
hpsb_packet_received(host, data, size, 0);
@@ -561,21 +563,7 @@ int hpsb_send_packet(struct hpsb_packet *packet)
+ NODEID_TO_NODE(packet->node_id)];
}
-#ifdef CONFIG_IEEE1394_VERBOSEDEBUG
- switch (packet->speed_code) {
- case 2:
- dump_packet("send packet 400:", packet->header,
- packet->header_size);
- break;
- case 1:
- dump_packet("send packet 200:", packet->header,
- packet->header_size);
- break;
- default:
- dump_packet("send packet 100:", packet->header,
- packet->header_size);
- }
-#endif
+ dump_packet("send packet", packet->header, packet->header_size, packet->speed_code);
return host->driver->transmit_packet(host, packet);
}
@@ -636,7 +624,7 @@ static void handle_packet_response(struct hpsb_host *host, int tcode,
if (packet == NULL) {
HPSB_DEBUG("unsolicited response packet received - no tlabel match");
- dump_packet("contents:", data, 16);
+ dump_packet("contents", data, 16, -1);
spin_unlock_irqrestore(&host->pending_packet_queue.lock, flags);
return;
}
@@ -677,7 +665,7 @@ static void handle_packet_response(struct hpsb_host *host, int tcode,
if (!tcode_match) {
spin_unlock_irqrestore(&host->pending_packet_queue.lock, flags);
HPSB_INFO("unsolicited response packet received - tcode mismatch");
- dump_packet("contents:", data, 16);
+ dump_packet("contents", data, 16, -1);
return;
}
@@ -914,7 +902,7 @@ void hpsb_packet_received(struct hpsb_host *host, quadlet_t *data, size_t size,
return;
}
- dump_packet("received packet:", data, size);
+ dump_packet("received packet", data, size, -1);
tcode = (data[0] >> 4) & 0xf;
diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c
index b23322523ef5..347ece6b583c 100644
--- a/drivers/ieee1394/nodemgr.c
+++ b/drivers/ieee1394/nodemgr.c
@@ -64,10 +64,10 @@ static int nodemgr_bus_read(struct csr1212_csr *csr, u64 addr, u16 length,
struct nodemgr_csr_info *ci = (struct nodemgr_csr_info*)__ci;
int i, ret = 0;
- for (i = 0; i < 3; i++) {
+ for (i = 1; ; i++) {
ret = hpsb_read(ci->host, ci->nodeid, ci->generation, addr,
buffer, length);
- if (!ret)
+ if (!ret || i == 3)
break;
if (msleep_interruptible(334))
@@ -1438,9 +1438,13 @@ static int nodemgr_do_irm_duties(struct hpsb_host *host, int cycles)
if (host->busmgr_id == 0xffff && host->node_count > 1)
{
u16 root_node = host->node_count - 1;
- struct node_entry *ne = find_entry_by_nodeid(host, root_node | LOCAL_BUS);
- if (ne && ne->busopt.cmc)
+ /* get cycle master capability flag from root node */
+ if (host->is_cycmst ||
+ (!hpsb_read(host, LOCAL_BUS | root_node, get_hpsb_generation(host),
+ (CSR_REGISTER_BASE + CSR_CONFIG_ROM + 2 * sizeof(quadlet_t)),
+ &bc, sizeof(quadlet_t)) &&
+ be32_to_cpu(bc) & 1 << CSR_CMC_SHIFT))
hpsb_send_phy_config(host, root_node, -1);
else {
HPSB_DEBUG("The root node is not cycle master capable; "
@@ -1557,24 +1561,19 @@ static int nodemgr_host_thread(void *__hi)
}
}
- if (!nodemgr_check_irm_capability(host, reset_cycles)) {
+ if (!nodemgr_check_irm_capability(host, reset_cycles) ||
+ !nodemgr_do_irm_duties(host, reset_cycles)) {
reset_cycles++;
up(&nodemgr_serialize);
continue;
}
+ reset_cycles = 0;
/* Scan our nodes to get the bus options and create node
* entries. This does not do the sysfs stuff, since that
* would trigger hotplug callbacks and such, which is a
* bad idea at this point. */
nodemgr_node_scan(hi, generation);
- if (!nodemgr_do_irm_duties(host, reset_cycles)) {
- reset_cycles++;
- up(&nodemgr_serialize);
- continue;
- }
-
- reset_cycles = 0;
/* This actually does the full probe, with sysfs
* registration. */
diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c
index 27018c8efc24..4cf9b8f3e336 100644
--- a/drivers/ieee1394/ohci1394.c
+++ b/drivers/ieee1394/ohci1394.c
@@ -162,7 +162,7 @@ printk(level "%s: " fmt "\n" , OHCI1394_DRIVER_NAME , ## args)
printk(level "%s: fw-host%d: " fmt "\n" , OHCI1394_DRIVER_NAME, ohci->host->id , ## args)
static char version[] __devinitdata =
- "$Rev: 1299 $ Ben Collins <bcollins@debian.org>";
+ "$Rev: 1313 $ Ben Collins <bcollins@debian.org>";
/* Module Parameters */
static int phys_dma = 1;
@@ -1084,7 +1084,7 @@ static int ohci_devctl(struct hpsb_host *host, enum devctl_cmd cmd, int arg)
initialize_dma_rcv_ctx(&ohci->ir_legacy_context, 1);
if (printk_ratelimit())
- PRINT(KERN_ERR, "IR legacy activated");
+ DBGMSG("IR legacy activated");
}
spin_lock_irqsave(&ohci->IR_channel_lock, flags);
@@ -2283,8 +2283,9 @@ static void ohci_schedule_iso_tasklets(struct ti_ohci *ohci,
{
struct ohci1394_iso_tasklet *t;
unsigned long mask;
+ unsigned long flags;
- spin_lock(&ohci->iso_tasklet_list_lock);
+ spin_lock_irqsave(&ohci->iso_tasklet_list_lock, flags);
list_for_each_entry(t, &ohci->iso_tasklet_list, link) {
mask = 1 << t->context;
@@ -2295,8 +2296,7 @@ static void ohci_schedule_iso_tasklets(struct ti_ohci *ohci,
tasklet_schedule(&t->tasklet);
}
- spin_unlock(&ohci->iso_tasklet_list_lock);
-
+ spin_unlock_irqrestore(&ohci->iso_tasklet_list_lock, flags);
}
static irqreturn_t ohci_irq_handler(int irq, void *dev_id,
diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c
index b4fa14793fe5..0470f77a9cd1 100644
--- a/drivers/ieee1394/raw1394.c
+++ b/drivers/ieee1394/raw1394.c
@@ -98,7 +98,7 @@ static struct hpsb_address_ops arm_ops = {
static void queue_complete_cb(struct pending_request *req);
-static struct pending_request *__alloc_pending_request(unsigned int __nocast flags)
+static struct pending_request *__alloc_pending_request(gfp_t flags)
{
struct pending_request *req;
@@ -412,6 +412,7 @@ static void fcp_request(struct hpsb_host *host, int nodeid, int direction,
static ssize_t raw1394_read(struct file *file, char __user * buffer,
size_t count, loff_t * offset_is_ignored)
{
+ unsigned long flags;
struct file_info *fi = (struct file_info *)file->private_data;
struct list_head *lh;
struct pending_request *req;
@@ -435,10 +436,10 @@ static ssize_t raw1394_read(struct file *file, char __user * buffer,
}
}
- spin_lock_irq(&fi->reqlists_lock);
+ spin_lock_irqsave(&fi->reqlists_lock, flags);
lh = fi->req_complete.next;
list_del(lh);
- spin_unlock_irq(&fi->reqlists_lock);
+ spin_unlock_irqrestore(&fi->reqlists_lock, flags);
req = list_entry(lh, struct pending_request, list);
@@ -486,6 +487,7 @@ static int state_opened(struct file_info *fi, struct pending_request *req)
static int state_initialized(struct file_info *fi, struct pending_request *req)
{
+ unsigned long flags;
struct host_info *hi;
struct raw1394_khost_list *khl;
@@ -499,7 +501,7 @@ static int state_initialized(struct file_info *fi, struct pending_request *req)
switch (req->req.type) {
case RAW1394_REQ_LIST_CARDS:
- spin_lock_irq(&host_info_lock);
+ spin_lock_irqsave(&host_info_lock, flags);
khl = kmalloc(sizeof(struct raw1394_khost_list) * host_count,
SLAB_ATOMIC);
@@ -513,7 +515,7 @@ static int state_initialized(struct file_info *fi, struct pending_request *req)
khl++;
}
}
- spin_unlock_irq(&host_info_lock);
+ spin_unlock_irqrestore(&host_info_lock, flags);
if (khl != NULL) {
req->req.error = RAW1394_ERROR_NONE;
@@ -528,7 +530,7 @@ static int state_initialized(struct file_info *fi, struct pending_request *req)
break;
case RAW1394_REQ_SET_CARD:
- spin_lock_irq(&host_info_lock);
+ spin_lock_irqsave(&host_info_lock, flags);
if (req->req.misc < host_count) {
list_for_each_entry(hi, &host_info_list, list) {
if (!req->req.misc--)
@@ -550,7 +552,7 @@ static int state_initialized(struct file_info *fi, struct pending_request *req)
} else {
req->req.error = RAW1394_ERROR_INVALID_ARG;
}
- spin_unlock_irq(&host_info_lock);
+ spin_unlock_irqrestore(&host_info_lock, flags);
req->req.length = 0;
break;
@@ -569,7 +571,6 @@ static void handle_iso_listen(struct file_info *fi, struct pending_request *req)
{
int channel = req->req.misc;
- spin_lock_irq(&host_info_lock);
if ((channel > 63) || (channel < -64)) {
req->req.error = RAW1394_ERROR_INVALID_ARG;
} else if (channel >= 0) {
@@ -601,7 +602,6 @@ static void handle_iso_listen(struct file_info *fi, struct pending_request *req)
req->req.length = 0;
queue_complete_req(req);
- spin_unlock_irq(&host_info_lock);
}
static void handle_fcp_listen(struct file_info *fi, struct pending_request *req)
@@ -627,6 +627,7 @@ static void handle_fcp_listen(struct file_info *fi, struct pending_request *req)
static int handle_async_request(struct file_info *fi,
struct pending_request *req, int node)
{
+ unsigned long flags;
struct hpsb_packet *packet = NULL;
u64 addr = req->req.address & 0xffffffffffffULL;
@@ -761,9 +762,9 @@ static int handle_async_request(struct file_info *fi,
hpsb_set_packet_complete_task(packet,
(void (*)(void *))queue_complete_cb, req);
- spin_lock_irq(&fi->reqlists_lock);
+ spin_lock_irqsave(&fi->reqlists_lock, flags);
list_add_tail(&req->list, &fi->req_pending);
- spin_unlock_irq(&fi->reqlists_lock);
+ spin_unlock_irqrestore(&fi->reqlists_lock, flags);
packet->generation = req->req.generation;
@@ -779,6 +780,7 @@ static int handle_async_request(struct file_info *fi,
static int handle_iso_send(struct file_info *fi, struct pending_request *req,
int channel)
{
+ unsigned long flags;
struct hpsb_packet *packet;
packet = hpsb_make_isopacket(fi->host, req->req.length, channel & 0x3f,
@@ -804,9 +806,9 @@ static int handle_iso_send(struct file_info *fi, struct pending_request *req,
(void (*)(void *))queue_complete_req,
req);
- spin_lock_irq(&fi->reqlists_lock);
+ spin_lock_irqsave(&fi->reqlists_lock, flags);
list_add_tail(&req->list, &fi->req_pending);
- spin_unlock_irq(&fi->reqlists_lock);
+ spin_unlock_irqrestore(&fi->reqlists_lock, flags);
/* Update the generation of the packet just before sending. */
packet->generation = req->req.generation;
@@ -821,6 +823,7 @@ static int handle_iso_send(struct file_info *fi, struct pending_request *req,
static int handle_async_send(struct file_info *fi, struct pending_request *req)
{
+ unsigned long flags;
struct hpsb_packet *packet;
int header_length = req->req.misc & 0xffff;
int expect_response = req->req.misc >> 16;
@@ -867,9 +870,9 @@ static int handle_async_send(struct file_info *fi, struct pending_request *req)
hpsb_set_packet_complete_task(packet,
(void (*)(void *))queue_complete_cb, req);
- spin_lock_irq(&fi->reqlists_lock);
+ spin_lock_irqsave(&fi->reqlists_lock, flags);
list_add_tail(&req->list, &fi->req_pending);
- spin_unlock_irq(&fi->reqlists_lock);
+ spin_unlock_irqrestore(&fi->reqlists_lock, flags);
/* Update the generation of the packet just before sending. */
packet->generation = req->req.generation;
@@ -885,6 +888,7 @@ static int handle_async_send(struct file_info *fi, struct pending_request *req)
static int arm_read(struct hpsb_host *host, int nodeid, quadlet_t * buffer,
u64 addr, size_t length, u16 flags)
{
+ unsigned long irqflags;
struct pending_request *req;
struct host_info *hi;
struct file_info *fi = NULL;
@@ -899,7 +903,7 @@ static int arm_read(struct hpsb_host *host, int nodeid, quadlet_t * buffer,
"addr: %4.4x %8.8x length: %Zu", nodeid,
(u16) ((addr >> 32) & 0xFFFF), (u32) (addr & 0xFFFFFFFF),
length);
- spin_lock(&host_info_lock);
+ spin_lock_irqsave(&host_info_lock, irqflags);
hi = find_host_info(host); /* search address-entry */
if (hi != NULL) {
list_for_each_entry(fi, &hi->file_info_list, list) {
@@ -924,7 +928,7 @@ static int arm_read(struct hpsb_host *host, int nodeid, quadlet_t * buffer,
if (!found) {
printk(KERN_ERR "raw1394: arm_read FAILED addr_entry not found"
" -> rcode_address_error\n");
- spin_unlock(&host_info_lock);
+ spin_unlock_irqrestore(&host_info_lock, irqflags);
return (RCODE_ADDRESS_ERROR);
} else {
DBGMSG("arm_read addr_entry FOUND");
@@ -954,7 +958,7 @@ static int arm_read(struct hpsb_host *host, int nodeid, quadlet_t * buffer,
req = __alloc_pending_request(SLAB_ATOMIC);
if (!req) {
DBGMSG("arm_read -> rcode_conflict_error");
- spin_unlock(&host_info_lock);
+ spin_unlock_irqrestore(&host_info_lock, irqflags);
return (RCODE_CONFLICT_ERROR); /* A resource conflict was detected.
The request may be retried */
}
@@ -974,7 +978,7 @@ static int arm_read(struct hpsb_host *host, int nodeid, quadlet_t * buffer,
if (!(req->data)) {
free_pending_request(req);
DBGMSG("arm_read -> rcode_conflict_error");
- spin_unlock(&host_info_lock);
+ spin_unlock_irqrestore(&host_info_lock, irqflags);
return (RCODE_CONFLICT_ERROR); /* A resource conflict was detected.
The request may be retried */
}
@@ -1031,13 +1035,14 @@ static int arm_read(struct hpsb_host *host, int nodeid, quadlet_t * buffer,
sizeof(struct arm_request));
queue_complete_req(req);
}
- spin_unlock(&host_info_lock);
+ spin_unlock_irqrestore(&host_info_lock, irqflags);
return (rcode);
}
static int arm_write(struct hpsb_host *host, int nodeid, int destid,
quadlet_t * data, u64 addr, size_t length, u16 flags)
{
+ unsigned long irqflags;
struct pending_request *req;
struct host_info *hi;
struct file_info *fi = NULL;
@@ -1052,7 +1057,7 @@ static int arm_write(struct hpsb_host *host, int nodeid, int destid,
"addr: %4.4x %8.8x length: %Zu", nodeid,
(u16) ((addr >> 32) & 0xFFFF), (u32) (addr & 0xFFFFFFFF),
length);
- spin_lock(&host_info_lock);
+ spin_lock_irqsave(&host_info_lock, irqflags);
hi = find_host_info(host); /* search address-entry */
if (hi != NULL) {
list_for_each_entry(fi, &hi->file_info_list, list) {
@@ -1077,7 +1082,7 @@ static int arm_write(struct hpsb_host *host, int nodeid, int destid,
if (!found) {
printk(KERN_ERR "raw1394: arm_write FAILED addr_entry not found"
" -> rcode_address_error\n");
- spin_unlock(&host_info_lock);
+ spin_unlock_irqrestore(&host_info_lock, irqflags);
return (RCODE_ADDRESS_ERROR);
} else {
DBGMSG("arm_write addr_entry FOUND");
@@ -1106,7 +1111,7 @@ static int arm_write(struct hpsb_host *host, int nodeid, int destid,
req = __alloc_pending_request(SLAB_ATOMIC);
if (!req) {
DBGMSG("arm_write -> rcode_conflict_error");
- spin_unlock(&host_info_lock);
+ spin_unlock_irqrestore(&host_info_lock, irqflags);
return (RCODE_CONFLICT_ERROR); /* A resource conflict was detected.
The request my be retried */
}
@@ -1118,7 +1123,7 @@ static int arm_write(struct hpsb_host *host, int nodeid, int destid,
if (!(req->data)) {
free_pending_request(req);
DBGMSG("arm_write -> rcode_conflict_error");
- spin_unlock(&host_info_lock);
+ spin_unlock_irqrestore(&host_info_lock, irqflags);
return (RCODE_CONFLICT_ERROR); /* A resource conflict was detected.
The request may be retried */
}
@@ -1165,7 +1170,7 @@ static int arm_write(struct hpsb_host *host, int nodeid, int destid,
sizeof(struct arm_request));
queue_complete_req(req);
}
- spin_unlock(&host_info_lock);
+ spin_unlock_irqrestore(&host_info_lock, irqflags);
return (rcode);
}
@@ -1173,6 +1178,7 @@ static int arm_lock(struct hpsb_host *host, int nodeid, quadlet_t * store,
u64 addr, quadlet_t data, quadlet_t arg, int ext_tcode,
u16 flags)
{
+ unsigned long irqflags;
struct pending_request *req;
struct host_info *hi;
struct file_info *fi = NULL;
@@ -1198,7 +1204,7 @@ static int arm_lock(struct hpsb_host *host, int nodeid, quadlet_t * store,
(u32) (addr & 0xFFFFFFFF), ext_tcode & 0xFF,
be32_to_cpu(data), be32_to_cpu(arg));
}
- spin_lock(&host_info_lock);
+ spin_lock_irqsave(&host_info_lock, irqflags);
hi = find_host_info(host); /* search address-entry */
if (hi != NULL) {
list_for_each_entry(fi, &hi->file_info_list, list) {
@@ -1224,7 +1230,7 @@ static int arm_lock(struct hpsb_host *host, int nodeid, quadlet_t * store,
if (!found) {
printk(KERN_ERR "raw1394: arm_lock FAILED addr_entry not found"
" -> rcode_address_error\n");
- spin_unlock(&host_info_lock);
+ spin_unlock_irqrestore(&host_info_lock, irqflags);
return (RCODE_ADDRESS_ERROR);
} else {
DBGMSG("arm_lock addr_entry FOUND");
@@ -1307,7 +1313,7 @@ static int arm_lock(struct hpsb_host *host, int nodeid, quadlet_t * store,
req = __alloc_pending_request(SLAB_ATOMIC);
if (!req) {
DBGMSG("arm_lock -> rcode_conflict_error");
- spin_unlock(&host_info_lock);
+ spin_unlock_irqrestore(&host_info_lock, irqflags);
return (RCODE_CONFLICT_ERROR); /* A resource conflict was detected.
The request may be retried */
}
@@ -1316,7 +1322,7 @@ static int arm_lock(struct hpsb_host *host, int nodeid, quadlet_t * store,
if (!(req->data)) {
free_pending_request(req);
DBGMSG("arm_lock -> rcode_conflict_error");
- spin_unlock(&host_info_lock);
+ spin_unlock_irqrestore(&host_info_lock, irqflags);
return (RCODE_CONFLICT_ERROR); /* A resource conflict was detected.
The request may be retried */
}
@@ -1382,7 +1388,7 @@ static int arm_lock(struct hpsb_host *host, int nodeid, quadlet_t * store,
sizeof(struct arm_response) + 2 * sizeof(*store));
queue_complete_req(req);
}
- spin_unlock(&host_info_lock);
+ spin_unlock_irqrestore(&host_info_lock, irqflags);
return (rcode);
}
@@ -1390,6 +1396,7 @@ static int arm_lock64(struct hpsb_host *host, int nodeid, octlet_t * store,
u64 addr, octlet_t data, octlet_t arg, int ext_tcode,
u16 flags)
{
+ unsigned long irqflags;
struct pending_request *req;
struct host_info *hi;
struct file_info *fi = NULL;
@@ -1422,7 +1429,7 @@ static int arm_lock64(struct hpsb_host *host, int nodeid, octlet_t * store,
(u32) ((be64_to_cpu(arg) >> 32) & 0xFFFFFFFF),
(u32) (be64_to_cpu(arg) & 0xFFFFFFFF));
}
- spin_lock(&host_info_lock);
+ spin_lock_irqsave(&host_info_lock, irqflags);
hi = find_host_info(host); /* search addressentry in file_info's for host */
if (hi != NULL) {
list_for_each_entry(fi, &hi->file_info_list, list) {
@@ -1449,7 +1456,7 @@ static int arm_lock64(struct hpsb_host *host, int nodeid, octlet_t * store,
printk(KERN_ERR
"raw1394: arm_lock64 FAILED addr_entry not found"
" -> rcode_address_error\n");
- spin_unlock(&host_info_lock);
+ spin_unlock_irqrestore(&host_info_lock, irqflags);
return (RCODE_ADDRESS_ERROR);
} else {
DBGMSG("arm_lock64 addr_entry FOUND");
@@ -1533,7 +1540,7 @@ static int arm_lock64(struct hpsb_host *host, int nodeid, octlet_t * store,
DBGMSG("arm_lock64 -> entering notification-section");
req = __alloc_pending_request(SLAB_ATOMIC);
if (!req) {
- spin_unlock(&host_info_lock);
+ spin_unlock_irqrestore(&host_info_lock, irqflags);
DBGMSG("arm_lock64 -> rcode_conflict_error");
return (RCODE_CONFLICT_ERROR); /* A resource conflict was detected.
The request may be retried */
@@ -1542,7 +1549,7 @@ static int arm_lock64(struct hpsb_host *host, int nodeid, octlet_t * store,
req->data = kmalloc(size, SLAB_ATOMIC);
if (!(req->data)) {
free_pending_request(req);
- spin_unlock(&host_info_lock);
+ spin_unlock_irqrestore(&host_info_lock, irqflags);
DBGMSG("arm_lock64 -> rcode_conflict_error");
return (RCODE_CONFLICT_ERROR); /* A resource conflict was detected.
The request may be retried */
@@ -1609,7 +1616,7 @@ static int arm_lock64(struct hpsb_host *host, int nodeid, octlet_t * store,
sizeof(struct arm_response) + 2 * sizeof(*store));
queue_complete_req(req);
}
- spin_unlock(&host_info_lock);
+ spin_unlock_irqrestore(&host_info_lock, irqflags);
return (rcode);
}
@@ -1980,6 +1987,7 @@ static int write_phypacket(struct file_info *fi, struct pending_request *req)
struct hpsb_packet *packet = NULL;
int retval = 0;
quadlet_t data;
+ unsigned long flags;
data = be32_to_cpu((u32) req->req.sendb);
DBGMSG("write_phypacket called - quadlet 0x%8.8x ", data);
@@ -1990,9 +1998,9 @@ static int write_phypacket(struct file_info *fi, struct pending_request *req)
req->packet = packet;
hpsb_set_packet_complete_task(packet,
(void (*)(void *))queue_complete_cb, req);
- spin_lock_irq(&fi->reqlists_lock);
+ spin_lock_irqsave(&fi->reqlists_lock, flags);
list_add_tail(&req->list, &fi->req_pending);
- spin_unlock_irq(&fi->reqlists_lock);
+ spin_unlock_irqrestore(&fi->reqlists_lock, flags);
packet->generation = req->req.generation;
retval = hpsb_send_packet(packet);
DBGMSG("write_phypacket send_packet called => retval: %d ", retval);
@@ -2659,14 +2667,15 @@ static unsigned int raw1394_poll(struct file *file, poll_table * pt)
{
struct file_info *fi = file->private_data;
unsigned int mask = POLLOUT | POLLWRNORM;
+ unsigned long flags;
poll_wait(file, &fi->poll_wait_complete, pt);
- spin_lock_irq(&fi->reqlists_lock);
+ spin_lock_irqsave(&fi->reqlists_lock, flags);
if (!list_empty(&fi->req_complete)) {
mask |= POLLIN | POLLRDNORM;
}
- spin_unlock_irq(&fi->reqlists_lock);
+ spin_unlock_irqrestore(&fi->reqlists_lock, flags);
return mask;
}
@@ -2710,6 +2719,7 @@ static int raw1394_release(struct inode *inode, struct file *file)
struct arm_addr *arm_addr = NULL;
int another_host;
int csr_mod = 0;
+ unsigned long flags;
if (fi->iso_state != RAW1394_ISO_INACTIVE)
raw1394_iso_shutdown(fi);
@@ -2720,13 +2730,11 @@ static int raw1394_release(struct inode *inode, struct file *file)
}
}
- spin_lock_irq(&host_info_lock);
+ spin_lock_irqsave(&host_info_lock, flags);
fi->listen_channels = 0;
- spin_unlock_irq(&host_info_lock);
fail = 0;
/* set address-entries invalid */
- spin_lock_irq(&host_info_lock);
while (!list_empty(&fi->addr_list)) {
another_host = 0;
@@ -2777,14 +2785,14 @@ static int raw1394_release(struct inode *inode, struct file *file)
vfree(addr->addr_space_buffer);
kfree(addr);
} /* while */
- spin_unlock_irq(&host_info_lock);
+ spin_unlock_irqrestore(&host_info_lock, flags);
if (fail > 0) {
printk(KERN_ERR "raw1394: during addr_list-release "
"error(s) occurred \n");
}
while (!done) {
- spin_lock_irq(&fi->reqlists_lock);
+ spin_lock_irqsave(&fi->reqlists_lock, flags);
while (!list_empty(&fi->req_complete)) {
lh = fi->req_complete.next;
@@ -2798,7 +2806,7 @@ static int raw1394_release(struct inode *inode, struct file *file)
if (list_empty(&fi->req_pending))
done = 1;
- spin_unlock_irq(&fi->reqlists_lock);
+ spin_unlock_irqrestore(&fi->reqlists_lock, flags);
if (!done)
down_interruptible(&fi->complete_sem);
@@ -2828,9 +2836,9 @@ static int raw1394_release(struct inode *inode, struct file *file)
fi->host->id);
if (fi->state == connected) {
- spin_lock_irq(&host_info_lock);
+ spin_lock_irqsave(&host_info_lock, flags);
list_del(&fi->list);
- spin_unlock_irq(&host_info_lock);
+ spin_unlock_irqrestore(&host_info_lock, flags);
put_device(&fi->host->device);
}
@@ -2958,4 +2966,3 @@ static void __exit cleanup_raw1394(void)
module_init(init_raw1394);
module_exit(cleanup_raw1394);
MODULE_LICENSE("GPL");
-MODULE_ALIAS_CHARDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_RAW1394 * 16);
diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c
index de88218ef7cc..12cec7c4a342 100644
--- a/drivers/ieee1394/sbp2.c
+++ b/drivers/ieee1394/sbp2.c
@@ -97,16 +97,18 @@ static char version[] __devinitdata =
*/
static int max_speed = IEEE1394_SPEED_MAX;
module_param(max_speed, int, 0644);
-MODULE_PARM_DESC(max_speed, "Force max speed (3 = 800mb, 2 = 400mb default, 1 = 200mb, 0 = 100mb)");
+MODULE_PARM_DESC(max_speed, "Force max speed (3 = 800mb, 2 = 400mb, 1 = 200mb, 0 = 100mb)");
/*
* Set serialize_io to 1 if you'd like only one scsi command sent
* down to us at a time (debugging). This might be necessary for very
* badly behaved sbp2 devices.
+ *
+ * TODO: Make this configurable per device.
*/
-static int serialize_io;
+static int serialize_io = 1;
module_param(serialize_io, int, 0444);
-MODULE_PARM_DESC(serialize_io, "Serialize all I/O coming down from the scsi drivers (default = 0)");
+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
@@ -596,6 +598,14 @@ static void sbp2util_mark_command_completed(struct scsi_id_instance_data *scsi_i
spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags);
}
+/*
+ * Is scsi_id valid? Is the 1394 node still present?
+ */
+static inline int sbp2util_node_is_available(struct scsi_id_instance_data *scsi_id)
+{
+ return scsi_id && scsi_id->ne && !scsi_id->ne->in_limbo;
+}
+
/*********************************************
@@ -631,11 +641,23 @@ static int sbp2_remove(struct device *dev)
{
struct unit_directory *ud;
struct scsi_id_instance_data *scsi_id;
+ struct scsi_device *sdev;
SBP2_DEBUG("sbp2_remove");
ud = container_of(dev, struct unit_directory, device);
scsi_id = ud->device.driver_data;
+ if (!scsi_id)
+ return 0;
+
+ /* Trigger shutdown functions in scsi's highlevel. */
+ if (scsi_id->scsi_host)
+ scsi_unblock_requests(scsi_id->scsi_host);
+ sdev = scsi_id->sdev;
+ if (sdev) {
+ scsi_id->sdev = NULL;
+ scsi_remove_device(sdev);
+ }
sbp2_logout_device(scsi_id);
sbp2_remove_device(scsi_id);
@@ -2473,37 +2495,26 @@ 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;
+ int result = DID_NO_CONNECT << 16;
SBP2_DEBUG("sbp2scsi_queuecommand");
- /*
- * If scsi_id is null, it means there is no device in this slot,
- * so we should return selection timeout.
- */
- if (!scsi_id) {
- SCpnt->result = DID_NO_CONNECT << 16;
- done (SCpnt);
- return 0;
- }
+ if (!sbp2util_node_is_available(scsi_id))
+ goto done;
hi = scsi_id->hi;
if (!hi) {
SBP2_ERR("sbp2scsi_host_info is NULL - this is bad!");
- SCpnt->result = DID_NO_CONNECT << 16;
- done (SCpnt);
- return(0);
+ goto done;
}
/*
* Until we handle multiple luns, just return selection time-out
* to any IO directed at non-zero LUNs
*/
- if (SCpnt->device->lun) {
- SCpnt->result = DID_NO_CONNECT << 16;
- done (SCpnt);
- return(0);
- }
+ if (SCpnt->device->lun)
+ goto done;
/*
* Check for request sense command, and handle it here
@@ -2514,7 +2525,7 @@ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt,
memcpy(SCpnt->request_buffer, SCpnt->sense_buffer, SCpnt->request_bufflen);
memset(SCpnt->sense_buffer, 0, sizeof(SCpnt->sense_buffer));
sbp2scsi_complete_command(scsi_id, SBP2_SCSI_STATUS_GOOD, SCpnt, done);
- return(0);
+ return 0;
}
/*
@@ -2522,9 +2533,8 @@ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt,
*/
if (!hpsb_node_entry_valid(scsi_id->ne)) {
SBP2_ERR("Bus reset in progress - rejecting command");
- SCpnt->result = DID_BUS_BUSY << 16;
- done (SCpnt);
- return(0);
+ result = DID_BUS_BUSY << 16;
+ goto done;
}
/*
@@ -2535,8 +2545,12 @@ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt,
sbp2scsi_complete_command(scsi_id, SBP2_SCSI_STATUS_SELECTION_TIMEOUT,
SCpnt, done);
}
+ return 0;
- return(0);
+done:
+ SCpnt->result = result;
+ done(SCpnt);
+ return 0;
}
/*
@@ -2683,14 +2697,27 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id,
}
-static int sbp2scsi_slave_configure (struct scsi_device *sdev)
+static int sbp2scsi_slave_alloc(struct scsi_device *sdev)
{
- blk_queue_dma_alignment(sdev->request_queue, (512 - 1));
+ ((struct scsi_id_instance_data *)sdev->host->hostdata[0])->sdev = sdev;
+ return 0;
+}
+
+static int sbp2scsi_slave_configure(struct scsi_device *sdev)
+{
+ blk_queue_dma_alignment(sdev->request_queue, (512 - 1));
return 0;
}
+static void sbp2scsi_slave_destroy(struct scsi_device *sdev)
+{
+ ((struct scsi_id_instance_data *)sdev->host->hostdata[0])->sdev = NULL;
+ return;
+}
+
+
/*
* Called by scsi stack when something has really gone wrong. Usually
* called when a command has timed-out for some reason.
@@ -2705,7 +2732,7 @@ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt)
SBP2_ERR("aborting sbp2 command");
scsi_print_command(SCpnt);
- if (scsi_id) {
+ if (sbp2util_node_is_available(scsi_id)) {
/*
* Right now, just return any matching command structures
@@ -2742,31 +2769,24 @@ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt)
/*
* Called by scsi stack when something has really gone wrong.
*/
-static int __sbp2scsi_reset(struct scsi_cmnd *SCpnt)
+static int sbp2scsi_reset(struct scsi_cmnd *SCpnt)
{
struct scsi_id_instance_data *scsi_id =
(struct scsi_id_instance_data *)SCpnt->device->host->hostdata[0];
+ unsigned long flags;
SBP2_ERR("reset requested");
- if (scsi_id) {
+ spin_lock_irqsave(SCpnt->device->host->host_lock, flags);
+
+ if (sbp2util_node_is_available(scsi_id)) {
SBP2_ERR("Generating sbp2 fetch agent reset");
sbp2_agent_reset(scsi_id, 0);
}
- return(SUCCESS);
-}
-
-static int sbp2scsi_reset(struct scsi_cmnd *SCpnt)
-{
- unsigned long flags;
- int rc;
-
- spin_lock_irqsave(SCpnt->device->host->host_lock, flags);
- rc = __sbp2scsi_reset(SCpnt);
spin_unlock_irqrestore(SCpnt->device->host->host_lock, flags);
- return rc;
+ return SUCCESS;
}
static const char *sbp2scsi_info (struct Scsi_Host *host)
@@ -2817,7 +2837,9 @@ static struct scsi_host_template scsi_driver_template = {
.eh_device_reset_handler = sbp2scsi_reset,
.eh_bus_reset_handler = sbp2scsi_reset,
.eh_host_reset_handler = sbp2scsi_reset,
+ .slave_alloc = sbp2scsi_slave_alloc,
.slave_configure = sbp2scsi_slave_configure,
+ .slave_destroy = sbp2scsi_slave_destroy,
.this_id = -1,
.sg_tablesize = SG_ALL,
.use_clustering = ENABLE_CLUSTERING,
@@ -2837,7 +2859,8 @@ static int sbp2_module_init(void)
/* Module load debug option to force one command at a time (serializing I/O) */
if (serialize_io) {
- SBP2_ERR("Driver forced to serialize I/O (serialize_io = 1)");
+ SBP2_INFO("Driver forced to serialize I/O (serialize_io=1)");
+ SBP2_INFO("Try serialize_io=0 for better performance");
scsi_driver_template.can_queue = 1;
scsi_driver_template.cmd_per_lun = 1;
}
diff --git a/drivers/ieee1394/video1394.c b/drivers/ieee1394/video1394.c
index 9d6facf2f78f..11be9c9c82a8 100644
--- a/drivers/ieee1394/video1394.c
+++ b/drivers/ieee1394/video1394.c
@@ -1571,4 +1571,3 @@ static int __init video1394_init_module (void)
module_init(video1394_init_module);
module_exit(video1394_exit_module);
-MODULE_ALIAS_CHARDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_VIDEO1394 * 16);
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-05 14:37:39 +0300