Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
---
drivers/scsi/BusLogic.c | 103 ++++++++++++++++++++++++----------------------
drivers/scsi/BusLogic.h | 1 -
2 files changed, 54 insertions(+), 50 deletions(-)
diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c
index f66c33b..58e9bd2 100644
--- a/drivers/scsi/BusLogic.c
+++ b/drivers/scsi/BusLogic.c
@@ -39,6 +39,8 @@
#include <linux/mm.h>
#include <linux/stat.h>
#include <linux/pci.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
#include <linux/spinlock.h>
#include <linux/jiffies.h>
#include <linux/dma-mapping.h>
@@ -3198,30 +3200,19 @@ static int BusLogic_BIOSDiskParameters(struct scsi_device *sdev, struct block_de
}
-/*
- BugLogic_ProcDirectoryInfo implements /proc/scsi/BusLogic/<N>.
-*/
-
-static int BusLogic_ProcDirectoryInfo(struct Scsi_Host *shost, char *ProcBuffer, char **StartPointer, off_t Offset, int BytesAvailable, int WriteFlag)
+/* /proc/scsi/BusLogic/<N> */
+static int buslogic_proc_show(struct seq_file *m, void *v)
{
+ struct Scsi_Host *shost = m->private;
struct BusLogic_HostAdapter *HostAdapter = (struct BusLogic_HostAdapter *) shost->hostdata;
struct BusLogic_TargetStatistics *TargetStatistics;
- int TargetID, Length;
- char *Buffer;
+ int TargetID;
TargetStatistics = HostAdapter->TargetStatistics;
- if (WriteFlag) {
- HostAdapter->ExternalHostAdapterResets = 0;
- HostAdapter->HostAdapterInternalErrors = 0;
- memset(TargetStatistics, 0, BusLogic_MaxTargetDevices * sizeof(struct BusLogic_TargetStatistics));
- return 0;
- }
- Buffer = HostAdapter->MessageBuffer;
- Length = HostAdapter->MessageBufferLength;
- Length += sprintf(&Buffer[Length], "\n\
+ seq_printf(m, "\n\
Current Driver Queue Depth: %d\n\
Currently Allocated CCBs: %d\n", HostAdapter->DriverQueueDepth, HostAdapter->AllocatedCCBs);
- Length += sprintf(&Buffer[Length], "\n\n\
+ seq_printf(m, "\n\n\
DATA TRANSFER STATISTICS\n\
\n\
Target Tagged Queuing Queue Depth Active Attempted Completed\n\
@@ -3230,66 +3221,62 @@ Target Tagged Queuing Queue Depth Active Attempted Completed\n\
struct BusLogic_TargetFlags *TargetFlags = &HostAdapter->TargetFlags[TargetID];
if (!TargetFlags->TargetExists)
continue;
- Length += sprintf(&Buffer[Length], " %2d %s", TargetID, (TargetFlags->TaggedQueuingSupported ? (TargetFlags->TaggedQueuingActive ? " Active" : (HostAdapter->TaggedQueuingPermitted & (1 << TargetID)
+ seq_printf(m, " %2d %s", TargetID, (TargetFlags->TaggedQueuingSupported ? (TargetFlags->TaggedQueuingActive ? " Active" : (HostAdapter->TaggedQueuingPermitted & (1 << TargetID)
? " Permitted" : " Disabled"))
: "Not Supported"));
- Length += sprintf(&Buffer[Length],
+ seq_printf(m,
" %3d %3u %9u %9u\n", HostAdapter->QueueDepth[TargetID], HostAdapter->ActiveCommands[TargetID], TargetStatistics[TargetID].CommandsAttempted, TargetStatistics[TargetID].CommandsCompleted);
}
- Length += sprintf(&Buffer[Length], "\n\
+ seq_printf(m, "\n\
Target Read Commands Write Commands Total Bytes Read Total Bytes Written\n\
====== ============= ============== =================== ===================\n");
for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++) {
struct BusLogic_TargetFlags *TargetFlags = &HostAdapter->TargetFlags[TargetID];
if (!TargetFlags->TargetExists)
continue;
- Length += sprintf(&Buffer[Length], " %2d %9u %9u", TargetID, TargetStatistics[TargetID].ReadCommands, TargetStatistics[TargetID].WriteCommands);
+ seq_printf(m, " %2d %9u %9u", TargetID, TargetStatistics[TargetID].ReadCommands, TargetStatistics[TargetID].WriteCommands);
if (TargetStatistics[TargetID].TotalBytesRead.Billions > 0)
- Length += sprintf(&Buffer[Length], " %9u%09u", TargetStatistics[TargetID].TotalBytesRead.Billions, TargetStatistics[TargetID].TotalBytesRead.Units);
+ seq_printf(m, " %9u%09u", TargetStatistics[TargetID].TotalBytesRead.Billions, TargetStatistics[TargetID].TotalBytesRead.Units);
else
- Length += sprintf(&Buffer[Length], " %9u", TargetStatistics[TargetID].TotalBytesRead.Units);
+ seq_printf(m, " %9u", TargetStatistics[TargetID].TotalBytesRead.Units);
if (TargetStatistics[TargetID].TotalBytesWritten.Billions > 0)
- Length += sprintf(&Buffer[Length], " %9u%09u\n", TargetStatistics[TargetID].TotalBytesWritten.Billions, TargetStatistics[TargetID].TotalBytesWritten.Units);
+ seq_printf(m, " %9u%09u\n", TargetStatistics[TargetID].TotalBytesWritten.Billions, TargetStatistics[TargetID].TotalBytesWritten.Units);
else
- Length += sprintf(&Buffer[Length], " %9u\n", TargetStatistics[TargetID].TotalBytesWritten.Units);
+ seq_printf(m, " %9u\n", TargetStatistics[TargetID].TotalBytesWritten.Units);
}
- Length += sprintf(&Buffer[Length], "\n\
+ seq_printf(m, "\n\
Target Command 0-1KB 1-2KB 2-4KB 4-8KB 8-16KB\n\
====== ======= ========= ========= ========= ========= =========\n");
for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++) {
struct BusLogic_TargetFlags *TargetFlags = &HostAdapter->TargetFlags[TargetID];
if (!TargetFlags->TargetExists)
continue;
- Length +=
- sprintf(&Buffer[Length],
+ seq_printf(m,
" %2d Read %9u %9u %9u %9u %9u\n", TargetID,
TargetStatistics[TargetID].ReadCommandSizeBuckets[0],
TargetStatistics[TargetID].ReadCommandSizeBuckets[1], TargetStatistics[TargetID].ReadCommandSizeBuckets[2], TargetStatistics[TargetID].ReadCommandSizeBuckets[3], TargetStatistics[TargetID].ReadCommandSizeBuckets[4]);
- Length +=
- sprintf(&Buffer[Length],
+ seq_printf(m,
" %2d Write %9u %9u %9u %9u %9u\n", TargetID,
TargetStatistics[TargetID].WriteCommandSizeBuckets[0],
TargetStatistics[TargetID].WriteCommandSizeBuckets[1], TargetStatistics[TargetID].WriteCommandSizeBuckets[2], TargetStatistics[TargetID].WriteCommandSizeBuckets[3], TargetStatistics[TargetID].WriteCommandSizeBuckets[4]);
}
- Length += sprintf(&Buffer[Length], "\n\
+ seq_printf(m, "\n\
Target Command 16-32KB 32-64KB 64-128KB 128-256KB 256KB+\n\
====== ======= ========= ========= ========= ========= =========\n");
for (TargetID = 0; TargetID < HostAdapter->MaxTargetDevices; TargetID++) {
struct BusLogic_TargetFlags *TargetFlags = &HostAdapter->TargetFlags[TargetID];
if (!TargetFlags->TargetExists)
continue;
- Length +=
- sprintf(&Buffer[Length],
+ seq_printf(m,
" %2d Read %9u %9u %9u %9u %9u\n", TargetID,
TargetStatistics[TargetID].ReadCommandSizeBuckets[5],
TargetStatistics[TargetID].ReadCommandSizeBuckets[6], TargetStatistics[TargetID].ReadCommandSizeBuckets[7], TargetStatistics[TargetID].ReadCommandSizeBuckets[8], TargetStatistics[TargetID].ReadCommandSizeBuckets[9]);
- Length +=
- sprintf(&Buffer[Length],
+ seq_printf(m,
" %2d Write %9u %9u %9u %9u %9u\n", TargetID,
TargetStatistics[TargetID].WriteCommandSizeBuckets[5],
TargetStatistics[TargetID].WriteCommandSizeBuckets[6], TargetStatistics[TargetID].WriteCommandSizeBuckets[7], TargetStatistics[TargetID].WriteCommandSizeBuckets[8], TargetStatistics[TargetID].WriteCommandSizeBuckets[9]);
}
- Length += sprintf(&Buffer[Length], "\n\n\
+ seq_printf(m, "\n\n\
ERROR RECOVERY STATISTICS\n\
\n\
Command Aborts Bus Device Resets Host Adapter Resets\n\
@@ -3300,22 +3287,40 @@ Target Requested Completed Requested Completed Requested Completed\n\
struct BusLogic_TargetFlags *TargetFlags = &HostAdapter->TargetFlags[TargetID];
if (!TargetFlags->TargetExists)
continue;
- Length += sprintf(&Buffer[Length], "\
+ seq_printf(m, "\
%2d %5d %5d %5d %5d %5d %5d %5d %5d %5d\n", TargetID, TargetStatistics[TargetID].CommandAbortsRequested, TargetStatistics[TargetID].CommandAbortsAttempted, TargetStatistics[TargetID].CommandAbortsCompleted, TargetStatistics[TargetID].BusDeviceResetsRequested, TargetStatistics[TargetID].BusDeviceResetsAttempted, TargetStatistics[TargetID].BusDeviceResetsCompleted, TargetStatistics[TargetID].HostAdapterResetsRequested, TargetStatistics[TargetID].HostAdapterResetsAttempted, TargetStatistics[TargetID].HostAdapterResetsCompleted);
}
- Length += sprintf(&Buffer[Length], "\nExternal Host Adapter Resets: %d\n", HostAdapter->ExternalHostAdapterResets);
- Length += sprintf(&Buffer[Length], "Host Adapter Internal Errors: %d\n", HostAdapter->HostAdapterInternalErrors);
- if (Length >= BusLogic_MessageBufferSize)
- BusLogic_Error("Message Buffer length %d exceeds size %d\n", HostAdapter, Length, BusLogic_MessageBufferSize);
- if ((Length -= Offset) <= 0)
- return 0;
- if (Length >= BytesAvailable)
- Length = BytesAvailable;
- memcpy(ProcBuffer, HostAdapter->MessageBuffer + Offset, Length);
- *StartPointer = ProcBuffer;
- return Length;
+ seq_printf(m, "\nExternal Host Adapter Resets: %d\n", HostAdapter->ExternalHostAdapterResets);
+ seq_printf(m, "Host Adapter Internal Errors: %d\n", HostAdapter->HostAdapterInternalErrors);
+
+ return 0;
+}
+
+static int buslogic_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, buslogic_proc_show, PDE(inode)->data);
+}
+
+static ssize_t buslogic_proc_write(struct file *file, const char __user *buf, size_t count, loff_t *pos)
+{
+ struct Scsi_Host *shost = PDE(file->f_path.dentry->d_inode)->data;
+ struct BusLogic_HostAdapter *HostAdapter = (struct BusLogic_HostAdapter *) shost->hostdata;
+ struct BusLogic_TargetStatistics *TargetStatistics = HostAdapter->TargetStatistics;
+
+ HostAdapter->ExternalHostAdapterResets = 0;
+ HostAdapter->HostAdapterInternalErrors = 0;
+ memset(TargetStatistics, 0, BusLogic_MaxTargetDevices * sizeof(struct BusLogic_TargetStatistics));
+
+ return count;
}
+static const struct file_operations buslogic_proc_ops = {
+ .open = buslogic_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = buslogic_proc_write,
+};
/*
BusLogic_Message prints Driver Messages.
@@ -3567,7 +3572,7 @@ static int __init BusLogic_ParseDriverOptions(char *OptionsString)
static struct scsi_host_template Bus_Logic_template = {
.module = THIS_MODULE,
.proc_name = "BusLogic",
- .proc_info = BusLogic_ProcDirectoryInfo,
+ .proc_ops = &buslogic_proc_ops,
.name = "BusLogic",
.info = BusLogic_DriverInfo,
.queuecommand = BusLogic_QueueCommand,
diff --git a/drivers/scsi/BusLogic.h b/drivers/scsi/BusLogic.h
index 649fcb3..6c6c13c 100644
--- a/drivers/scsi/BusLogic.h
+++ b/drivers/scsi/BusLogic.h
@@ -1321,7 +1321,6 @@ static inline void BusLogic_IncrementSizeBucket(BusLogic_CommandSizeBuckets_T Co
static const char *BusLogic_DriverInfo(struct Scsi_Host *);
static int BusLogic_QueueCommand(struct Scsi_Host *h, struct scsi_cmnd *);
static int BusLogic_BIOSDiskParameters(struct scsi_device *, struct block_device *, sector_t, int *);
-static int BusLogic_ProcDirectoryInfo(struct Scsi_Host *, char *, char **, off_t, int, int);
static int BusLogic_SlaveConfigure(struct scsi_device *);
static void BusLogic_QueueCompletedCCB(struct BusLogic_CCB *);
static irqreturn_t BusLogic_InterruptHandler(int, void *);
--
1.7.3.4
--
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