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Message-ID: <20100217235331.GC12240@ldl.fc.hp.com>
Date: Wed, 17 Feb 2010 16:53:31 -0700
From: dann frazier <dannf@...com>
To: axboe@...nel.dk, akpm@...ux-foundation.org
Cc: linux-kernel@...r.kernel.org, mikem@...rdog.cce.hp.com,
brace@...rdog.cce.hp.com, scameron@...rdog.cce.hp.com
Subject: [PATCH 1/2] cciss: remove C99-style comments
Some cleanup before the header file split-out so we don't propagate this style
into new files.
Signed-off-by: dann frazier <dannf@...com>
---
drivers/block/cciss.c | 37 +++++++++++++------------
drivers/block/cciss.h | 9 +++---
drivers/block/cciss_cmd.h | 61 ++++++++++++++++++++----------------------
drivers/block/cciss_scsi.h | 18 ++++++------
include/linux/cciss_ioctl.h | 33 ++++++++++++-----------
5 files changed, 78 insertions(+), 80 deletions(-)
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 9291614..86acdca 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1344,26 +1344,27 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
kfree(buff);
return -ENOMEM;
}
- // Fill in the command type
+ /* Fill in the command type */
c->cmd_type = CMD_IOCTL_PEND;
- // Fill in Command Header
- c->Header.ReplyQueue = 0; // unused in simple mode
- if (iocommand.buf_size > 0) // buffer to fill
+ /* Fill in Command Header */
+ c->Header.ReplyQueue = 0; /* unused in simple mode */
+ if (iocommand.buf_size > 0) /* buffer to fill */
{
c->Header.SGList = 1;
c->Header.SGTotal = 1;
- } else // no buffers to fill
+ } else /* no buffers to fill */
{
c->Header.SGList = 0;
c->Header.SGTotal = 0;
}
c->Header.LUN = iocommand.LUN_info;
- c->Header.Tag.lower = c->busaddr; // use the kernel address the cmd block for tag
+ /* use the kernel address the cmd block for tag */
+ c->Header.Tag.lower = c->busaddr;
- // Fill in Request block
+ /* Fill in Request block */
c->Request = iocommand.Request;
- // Fill in the scatter gather information
+ /* Fill in the scatter gather information */
if (iocommand.buf_size > 0) {
temp64.val = pci_map_single(host->pdev, buff,
iocommand.buf_size,
@@ -1371,7 +1372,7 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
c->SG[0].Addr.lower = temp64.val32.lower;
c->SG[0].Addr.upper = temp64.val32.upper;
c->SG[0].Len = iocommand.buf_size;
- c->SG[0].Ext = 0; // we are not chaining
+ c->SG[0].Ext = 0; /* we are not chaining */
}
c->waiting = &wait;
@@ -2425,7 +2426,7 @@ static int fill_cmd(CommandList_struct *c, __u8 cmd, int ctlr, void *buff,
c->Request.Type.Direction = XFER_READ;
c->Request.Timeout = 0;
c->Request.CDB[0] = cmd;
- c->Request.CDB[6] = (size >> 24) & 0xFF; //MSB
+ c->Request.CDB[6] = (size >> 24) & 0xFF; /* MSB */
c->Request.CDB[7] = (size >> 16) & 0xFF;
c->Request.CDB[8] = (size >> 8) & 0xFF;
c->Request.CDB[9] = size & 0xFF;
@@ -2694,7 +2695,7 @@ static void cciss_geometry_inquiry(int ctlr, int logvol,
"cciss: reading geometry failed, volume "
"does not support reading geometry\n");
drv->heads = 255;
- drv->sectors = 32; // Sectors per track
+ drv->sectors = 32; /* Sectors per track */
drv->cylinders = total_size + 1;
drv->raid_level = RAID_UNKNOWN;
} else {
@@ -3112,19 +3113,19 @@ static void do_cciss_request(struct request_queue *q)
/* fill in the request */
drv = creq->rq_disk->private_data;
- c->Header.ReplyQueue = 0; // unused in simple mode
+ c->Header.ReplyQueue = 0; /* unused in simple mode */
/* got command from pool, so use the command block index instead */
/* for direct lookups. */
/* The first 2 bits are reserved for controller error reporting. */
c->Header.Tag.lower = (c->cmdindex << 3);
c->Header.Tag.lower |= 0x04; /* flag for direct lookup. */
memcpy(&c->Header.LUN, drv->LunID, sizeof(drv->LunID));
- c->Request.CDBLen = 10; // 12 byte commands not in FW yet;
- c->Request.Type.Type = TYPE_CMD; // It is a command.
+ c->Request.CDBLen = 10; /* 12 byte commands not in FW yet; */
+ c->Request.Type.Type = TYPE_CMD; /* It is a command. */
c->Request.Type.Attribute = ATTR_SIMPLE;
c->Request.Type.Direction =
(rq_data_dir(creq) == READ) ? XFER_READ : XFER_WRITE;
- c->Request.Timeout = 0; // Don't time out
+ c->Request.Timeout = 0; /* Don't time out */
c->Request.CDB[0] =
(rq_data_dir(creq) == READ) ? h->cciss_read : h->cciss_write;
start_blk = blk_rq_pos(creq);
@@ -3209,11 +3210,11 @@ static void do_cciss_request(struct request_queue *q)
if (likely(blk_fs_request(creq))) {
if(h->cciss_read == CCISS_READ_10) {
c->Request.CDB[1] = 0;
- c->Request.CDB[2] = (start_blk >> 24) & 0xff; //MSB
+ c->Request.CDB[2] = (start_blk >> 24) & 0xff; /* MSB */
c->Request.CDB[3] = (start_blk >> 16) & 0xff;
c->Request.CDB[4] = (start_blk >> 8) & 0xff;
c->Request.CDB[5] = start_blk & 0xff;
- c->Request.CDB[6] = 0; // (sect >> 24) & 0xff; MSB
+ c->Request.CDB[6] = 0; /* (sect >> 24) & 0xff; MSB */
c->Request.CDB[7] = (blk_rq_sectors(creq) >> 8) & 0xff;
c->Request.CDB[8] = blk_rq_sectors(creq) & 0xff;
c->Request.CDB[9] = c->Request.CDB[11] = c->Request.CDB[12] = 0;
@@ -3222,7 +3223,7 @@ static void do_cciss_request(struct request_queue *q)
c->Request.CDBLen = 16;
c->Request.CDB[1]= 0;
- c->Request.CDB[2]= (upper32 >> 24) & 0xff; //MSB
+ c->Request.CDB[2]= (upper32 >> 24) & 0xff; /* MSB */
c->Request.CDB[3]= (upper32 >> 16) & 0xff;
c->Request.CDB[4]= (upper32 >> 8) & 0xff;
c->Request.CDB[5]= upper32 & 0xff;
diff --git a/drivers/block/cciss.h b/drivers/block/cciss.h
index 1d95db2..2b07bda 100644
--- a/drivers/block/cciss.h
+++ b/drivers/block/cciss.h
@@ -66,7 +66,7 @@ struct ctlr_info
int ctlr;
char devname[8];
char *product_name;
- char firm_ver[4]; // Firmware version
+ char firm_ver[4]; /* Firmware version */
struct pci_dev *pdev;
__u32 board_id;
void __iomem *vaddr;
@@ -103,7 +103,7 @@ struct ctlr_info
BYTE cciss_write;
BYTE cciss_read_capacity;
- // information about each logical volume
+ /* information about each logical volume */
drive_info_struct *drv[CISS_MAX_LUN];
struct access_method access;
@@ -116,7 +116,7 @@ struct ctlr_info
unsigned int maxSG;
spinlock_t lock;
- //* pointers to command and error info pool */
+ /* pointers to command and error info pool */
CommandList_struct *cmd_pool;
dma_addr_t cmd_pool_dhandle;
ErrorInfo_struct *errinfo_pool;
@@ -134,7 +134,7 @@ struct ctlr_info
*/
int next_to_run;
- // Disk structures we need to pass back
+ /* Disk structures we need to pass back */
struct gendisk *gendisk[CISS_MAX_LUN];
#ifdef CONFIG_CISS_SCSI_TAPE
void *scsi_ctlr; /* ptr to structure containing scsi related stuff */
@@ -315,4 +315,3 @@ struct board_type {
#define CCISS_LOCK(i) (&hba[i]->lock)
#endif /* CCISS_H */
-
diff --git a/drivers/block/cciss_cmd.h b/drivers/block/cciss_cmd.h
index 6afa700..277422b 100644
--- a/drivers/block/cciss_cmd.h
+++ b/drivers/block/cciss_cmd.h
@@ -1,17 +1,16 @@
#ifndef CCISS_CMD_H
#define CCISS_CMD_H
-//###########################################################################
-//DEFINES
-//###########################################################################
+/* DEFINES */
#define CISS_VERSION "1.00"
-//general boundary definitions
-#define SENSEINFOBYTES 32//note that this value may vary between host implementations
+/* general boundary definitions */
+#define SENSEINFOBYTES 32 /* note that this value may vary
+ between host implementations */
#define MAXSGENTRIES 32
#define CCISS_SG_CHAIN 0x80000000
#define MAXREPLYQS 256
-//Command Status value
+/* Command Status value */
#define CMD_SUCCESS 0x0000
#define CMD_TARGET_STATUS 0x0001
#define CMD_DATA_UNDERRUN 0x0002
@@ -49,30 +48,30 @@
#define ASYM_ACCESS_CHANGED 0x06
#define LUN_CAPACITY_CHANGED 0x09
-//transfer direction
+/* transfer direction */
#define XFER_NONE 0x00
#define XFER_WRITE 0x01
#define XFER_READ 0x02
#define XFER_RSVD 0x03
-//task attribute
+/* task attribute */
#define ATTR_UNTAGGED 0x00
#define ATTR_SIMPLE 0x04
#define ATTR_HEADOFQUEUE 0x05
#define ATTR_ORDERED 0x06
#define ATTR_ACA 0x07
-//cdb type
+/* cdb type */
#define TYPE_CMD 0x00
#define TYPE_MSG 0x01
-//config space register offsets
+/* config space register offsets */
#define CFG_VENDORID 0x00
#define CFG_DEVICEID 0x02
#define CFG_I2OBAR 0x10
#define CFG_MEM1BAR 0x14
-//i2o space register offsets
+/* i2o space register offsets */
#define I2O_IBDB_SET 0x20
#define I2O_IBDB_CLEAR 0x70
#define I2O_INT_STATUS 0x30
@@ -81,7 +80,7 @@
#define I2O_OBPOST_Q 0x44
#define I2O_DMA1_CFG 0x214
-//Configuration Table
+/* Configuration Table */
#define CFGTBL_ChangeReq 0x00000001l
#define CFGTBL_AccCmds 0x00000001l
@@ -103,24 +102,22 @@ typedef union _u64bit
__u64 val;
} u64bit;
-// Type defs used in the following structs
+/* Type defs used in the following structs */
#define BYTE __u8
#define WORD __u16
#define HWORD __u16
#define DWORD __u32
#define QWORD vals32
-//###########################################################################
-//STRUCTURES
-//###########################################################################
+/* STRUCTURES */
#define CISS_MAX_LUN 1024
#define CISS_MAX_PHYS_LUN 1024
-// SCSI-3 Cmmands
+/* SCSI-3 Cmmands */
#pragma pack(1)
#define CISS_INQUIRY 0x12
-//Date returned
+/* Date returned */
typedef struct _InquiryData_struct
{
BYTE data_byte[36];
@@ -128,7 +125,7 @@ typedef struct _InquiryData_struct
#define CISS_REPORT_LOG 0xc2 /* Report Logical LUNs */
#define CISS_REPORT_PHYS 0xc3 /* Report Physical LUNs */
-// Data returned
+/* Data returned */
typedef struct _ReportLUNdata_struct
{
BYTE LUNListLength[4];
@@ -139,8 +136,8 @@ typedef struct _ReportLUNdata_struct
#define CCISS_READ_CAPACITY 0x25 /* Read Capacity */
typedef struct _ReadCapdata_struct
{
- BYTE total_size[4]; // Total size in blocks
- BYTE block_size[4]; // Size of blocks in bytes
+ BYTE total_size[4]; /* Total size in blocks */
+ BYTE block_size[4]; /* Size of blocks in bytes */
} ReadCapdata_struct;
#define CCISS_READ_CAPACITY_16 0x9e /* Read Capacity 16 */
@@ -172,29 +169,29 @@ typedef struct _ReadCapdata_struct_16
#define CDB_LEN10 10
#define CDB_LEN16 16
-// BMIC commands
+/* BMIC commands */
#define BMIC_READ 0x26
#define BMIC_WRITE 0x27
#define BMIC_CACHE_FLUSH 0xc2
-#define CCISS_CACHE_FLUSH 0x01 //C2 was already being used by CCISS
+#define CCISS_CACHE_FLUSH 0x01 /* C2 was already being used by CCISS */
-//Command List Structure
+/* Command List Structure */
typedef union _SCSI3Addr_struct {
struct {
BYTE Dev;
BYTE Bus:6;
- BYTE Mode:2; // b00
+ BYTE Mode:2; /* b00 */
} PeripDev;
struct {
BYTE DevLSB;
BYTE DevMSB:6;
- BYTE Mode:2; // b01
+ BYTE Mode:2; /* b01 */
} LogDev;
struct {
BYTE Dev:5;
BYTE Bus:3;
BYTE Targ:6;
- BYTE Mode:2; // b10
+ BYTE Mode:2; /* b10 */
} LogUnit;
} SCSI3Addr_struct;
@@ -202,7 +199,7 @@ typedef struct _PhysDevAddr_struct {
DWORD TargetId:24;
DWORD Bus:6;
DWORD Mode:2;
- SCSI3Addr_struct Target[2]; //2 level target device addr
+ SCSI3Addr_struct Target[2]; /* 2 level target device addr */
} PhysDevAddr_struct;
typedef struct _LogDevAddr_struct {
@@ -255,8 +252,8 @@ typedef union _MoreErrInfo_struct{
}Common_Info;
struct{
BYTE Reserved[2];
- BYTE offense_size;//size of offending entry
- BYTE offense_num; //byte # of offense 0-base
+ BYTE offense_size; /* size of offending entry */
+ BYTE offense_num; /* byte # of offense 0-base */
DWORD offense_value;
}Invalid_Cmd;
}MoreErrInfo_struct;
@@ -300,7 +297,7 @@ typedef struct _CommandList_struct {
char pad[PADSIZE];
} CommandList_struct;
-//Configuration Table Structure
+/* Configuration Table Structure */
typedef struct _HostWrite_struct {
DWORD TransportRequest;
DWORD Reserved;
@@ -326,4 +323,4 @@ typedef struct _CfgTable_struct {
DWORD MaxPhysicalDrivesPerLogicalUnit;
} CfgTable_struct;
#pragma pack()
-#endif // CCISS_CMD_H
+#endif /* CCISS_CMD_H */
diff --git a/drivers/block/cciss_scsi.h b/drivers/block/cciss_scsi.h
index 7b75024..6d5822f 100644
--- a/drivers/block/cciss_scsi.h
+++ b/drivers/block/cciss_scsi.h
@@ -25,16 +25,16 @@
#include <scsi/scsicam.h> /* possibly irrelevant, since we don't show disks */
- // the scsi id of the adapter...
+ /* the scsi id of the adapter... */
#define SELF_SCSI_ID 15
- // 15 is somewhat arbitrary, since the scsi-2 bus
- // that's presented by the driver to the OS is
- // fabricated. The "real" scsi-3 bus the
- // hardware presents is fabricated too.
- // The actual, honest-to-goodness physical
- // bus that the devices are attached to is not
- // addressible natively, and may in fact turn
- // out to be not scsi at all.
+ /* 15 is somewhat arbitrary, since the scsi-2 bus
+ that's presented by the driver to the OS is
+ fabricated. The "real" scsi-3 bus the
+ hardware presents is fabricated too.
+ The actual, honest-to-goodness physical
+ bus that the devices are attached to is not
+ addressible natively, and may in fact turn
+ out to be not scsi at all. */
#define SCSI_CCISS_CAN_QUEUE 2
diff --git a/include/linux/cciss_ioctl.h b/include/linux/cciss_ioctl.h
index eb130b4..e7343a1 100644
--- a/include/linux/cciss_ioctl.h
+++ b/include/linux/cciss_ioctl.h
@@ -37,12 +37,13 @@ typedef __u32 DriverVer_type;
#define MAX_KMALLOC_SIZE 128000
#ifndef CCISS_CMD_H
-// This defines are duplicated in cciss_cmd.h in the driver directory
+/* This defines are duplicated in cciss_cmd.h in the driver directory */
-//general boundary definitions
-#define SENSEINFOBYTES 32//note that this value may vary between host implementations
+/* general boundary definitions */
+#define SENSEINFOBYTES 32 /* note that this value may vary
+ between host implementations */
-//Command Status value
+/* Command Status value */
#define CMD_SUCCESS 0x0000
#define CMD_TARGET_STATUS 0x0001
#define CMD_DATA_UNDERRUN 0x0002
@@ -57,24 +58,24 @@ typedef __u32 DriverVer_type;
#define CMD_TIMEOUT 0x000B
#define CMD_UNABORTABLE 0x000C
-//transfer direction
+/* transfer direction */
#define XFER_NONE 0x00
#define XFER_WRITE 0x01
#define XFER_READ 0x02
#define XFER_RSVD 0x03
-//task attribute
+/* task attribute */
#define ATTR_UNTAGGED 0x00
#define ATTR_SIMPLE 0x04
#define ATTR_HEADOFQUEUE 0x05
#define ATTR_ORDERED 0x06
#define ATTR_ACA 0x07
-//cdb type
+/* cdb type */
#define TYPE_CMD 0x00
#define TYPE_MSG 0x01
-// Type defs used in the following structs
+/* Type defs used in the following structs */
#define BYTE __u8
#define WORD __u16
#define HWORD __u16
@@ -82,28 +83,28 @@ typedef __u32 DriverVer_type;
#define CISS_MAX_LUN 1024
-#define LEVEL2LUN 1 // index into Target(x) structure, due to byte swapping
+#define LEVEL2LUN 1 /* index into Target(x) structure, due to byte swapping */
#define LEVEL3LUN 0
#pragma pack(1)
-//Command List Structure
+/* Command List Structure */
typedef union _SCSI3Addr_struct {
struct {
BYTE Dev;
BYTE Bus:6;
- BYTE Mode:2; // b00
+ BYTE Mode:2; /* b00 */
} PeripDev;
struct {
BYTE DevLSB;
BYTE DevMSB:6;
- BYTE Mode:2; // b01
+ BYTE Mode:2; /* b01 */
} LogDev;
struct {
BYTE Dev:5;
BYTE Bus:3;
BYTE Targ:6;
- BYTE Mode:2; // b10
+ BYTE Mode:2; /* b10 */
} LogUnit;
} SCSI3Addr_struct;
@@ -111,7 +112,7 @@ typedef struct _PhysDevAddr_struct {
DWORD TargetId:24;
DWORD Bus:6;
DWORD Mode:2;
- SCSI3Addr_struct Target[2]; //2 level target device addr
+ SCSI3Addr_struct Target[2]; /* 2 level target device addr */
} PhysDevAddr_struct;
typedef struct _LogDevAddr_struct {
@@ -146,8 +147,8 @@ typedef union _MoreErrInfo_struct{
}Common_Info;
struct{
BYTE Reserved[2];
- BYTE offense_size;//size of offending entry
- BYTE offense_num; //byte # of offense 0-base
+ BYTE offense_size; /* size of offending entry */
+ BYTE offense_num; /* byte # of offense 0-base */
DWORD offense_value;
}Invalid_Cmd;
}MoreErrInfo_struct;
--
1.6.6.1
--
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