patch-2.4.27 linux-2.4.27/drivers/block/cciss.c

• Lines: 198
• Date: 2004-08-07 16:26:04.675347640 -0700
• Orig file: linux-2.4.26/drivers/block/cciss.c
• Orig date: 2004-04-14 06:05:29.000000000 -0700

diff -urN linux-2.4.26/drivers/block/cciss.c linux-2.4.27/drivers/block/cciss.c
@@ -45,13 +45,13 @@
 #include <linux/genhd.h>
 
 #define CCISS_DRIVER_VERSION(maj,min,submin) ((maj<<16)|(min<<8)|(submin))
-#define DRIVER_NAME "HP CISS Driver (v 2.4.50)"
-#define DRIVER_VERSION CCISS_DRIVER_VERSION(2,4,50)
+#define DRIVER_NAME "HP CISS Driver (v 2.4.52)"
+#define DRIVER_VERSION CCISS_DRIVER_VERSION(2,4,52)
 
 /* Embedded module documentation macros - see modules.h */
 MODULE_AUTHOR("Hewlett-Packard Company");
-MODULE_DESCRIPTION("Driver for HP SA5xxx SA6xxx Controllers version 2.4.50");
-MODULE_SUPPORTED_DEVICE("HP SA5i SA5i+ SA532 SA5300 SA5312 SA641 SA642 SA6400 6i"); 
+MODULE_DESCRIPTION("Driver for HP SA5xxx SA6xxx Controllers version 2.4.52");
+MODULE_SUPPORTED_DEVICE("HP SA5i SA5i+ SA532 SA5300 SA5312 SA641 SA642 SA6400 6i SA6422 V100"); 
 MODULE_LICENSE("GPL");
 
 #include "cciss_cmd.h"
@@ -78,6 +78,10 @@
                         0x0E11, 0x409D, 0, 0, 0},
 	{ PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC,
                         0x0E11, 0x4091, 0, 0, 0},
+	{ PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC,
+                        0x0E11, 0x409E, 0, 0, 0},
+	{ PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC,
+                        0x103C, 0x3211, 0, 0, 0},
 	{0,}
 };
 MODULE_DEVICE_TABLE(pci, cciss_pci_device_id);
@@ -98,6 +102,8 @@
 	{ 0x409C0E11, "Smart Array 6400", &SA5_access},
 	{ 0x409D0E11, "Smart Array 6400 EM", &SA5_access},
 	{ 0x40910E11, "Smart Array 6i", &SA5_access},
+	{ 0x409E0E11, "Smart Array 6422", &SA5_access},
+	{ 0x3211103C, "Smart Array V100", &SA5_access},
 };
 
 /* How long to wait (in millesconds) for board to go into simple mode */
@@ -487,6 +493,142 @@
 	return 0;
 }
 
+#ifdef __x86_64__
+/* for AMD 64 bit kernel compatibility with 32-bit userland ioctls */
+extern int sys_ioctl(unsigned int fd, unsigned cmd, unsigned long arg);
+
+extern int 
+register_ioctl32_conversion(unsigned int cmd, int (*handler)(unsigned int,
+      unsigned int, unsigned long, struct file *));
+extern int unregister_ioctl32_conversion(unsigned int cmd);
+
+static int cciss_ioctl32_passthru(unsigned int fd, unsigned cmd, unsigned long arg, struct file *file);
+static int cciss_ioctl32_big_passthru(unsigned int fd, unsigned cmd, unsigned long arg, 
+	struct file *file);
+
+typedef long (*handler type) (unsigned int, unsigned int, unsigned long,
+				struct file *);
+
+static struct ioctl32_map {
+	unsigned int cmd; 
+	handler_type handler;
+	int registered;
+} cciss_ioctl32_map[] = {
+	{ CCISS_GETPCIINFO,	(handler_type) sys_ioctl, 0 },
+	{ CCISS_GETINTINFO,	(handler_type) sys_ioctl, 0 },
+	{ CCISS_SETINTINFO,	(handler_type) sys_ioctl, 0 },
+	{ CCISS_GETNODENAME,	(handler_type) sys_ioctl, 0 },
+	{ CCISS_SETNODENAME,	(handler_type) sys_ioctl, 0 },
+	{ CCISS_GETHEARTBEAT,	(handler_type) sys_ioctl, 0 },
+	{ CCISS_GETBUSTYPES,	(handler_type) sys_ioctl, 0 },
+	{ CCISS_GETFIRMVER,	(handler_type) sys_ioctl, 0 },
+	{ CCISS_GETDRIVVER,	(handler_type) sys_ioctl, 0 },
+	{ CCISS_REVALIDVOLS,	(handler_type) sys_ioctl, 0 },
+	{ CCISS_PASSTHRU32,	cciss_ioctl32_passthru, 0 },
+	{ CCISS_DEREGDISK,	(handler_type) sys_ioctl, 0 },
+	{ CCISS_REGNEWDISK,	(handler_type) sys_ioctl, 0 },
+	{ CCISS_REGNEWD,	(handler_type) sys_ioctl, 0 },
+	{ CCISS_RESCANDISK,	(handler_type) sys_ioctl, 0 },
+	{ CCISS_GETLUNINFO,	(handler_type) sys_ioctl, 0 },
+	{ CCISS_BIG_PASSTHRU32,	cciss_ioctl32_big_passthru, 0 },
+};
+#define NCCISS_IOCTL32_ENTRIES (sizeof(cciss_ioctl32_map) / sizeof(cciss_ioctl32_map[0]))
+static void register_cciss_ioctl32(void)
+{
+	int i, rc;
+
+	for (i=0; i < NCCISS_IOCTL32_ENTRIES; i++) {
+		rc = register_ioctl32_conversion(
+			cciss_ioctl32_map[i].cmd,
+			cciss_ioctl32_map[i].handler);
+		if (rc != 0) {
+			printk(KERN_WARNING "cciss: failed to register "
+				"32 bit compatible ioctl 0x%08x\n", 
+				cciss_ioctl32_map[i].cmd);
+			cciss_ioctl32_map[i].registered = 0;
+		} else
+			cciss_ioctl32_map[i].registered = 1;
+	}
+}
+static void unregister_cciss_ioctl32(void)
+{
+	int i, rc;
+
+	for (i=0; i < NCCISS_IOCTL32_ENTRIES; i++) {
+		if (!cciss_ioctl32_map[i].registered)
+			continue;
+		rc = unregister_ioctl32_conversion(
+			cciss_ioctl32_map[i].cmd);
+		if (rc == 0) {
+			cciss_ioctl32_map[i].registered = 0;
+			continue;
+		}
+		printk(KERN_WARNING "cciss: failed to unregister "
+			"32 bit compatible ioctl 0x%08x\n",
+			cciss_ioctl32_map[i].cmd);
+	}
+}
+int cciss_ioctl32_passthru(unsigned int fd, unsigned cmd, unsigned long arg, 
+				struct file *file)
+{
+	IOCTL32_Command_struct *arg32 = 
+		(IOCTL32_Command_struct *) arg;
+	IOCTL_Command_struct arg64;
+	mm_segment_t old_fs; 
+	int err;
+
+	err = 0;
+	err |= copy_from_user(&arg64.LUN_info, &arg32->LUN_info, sizeof(arg64.LUN_info));
+	err |= copy_from_user(&arg64.Request, &arg32->Request, sizeof(arg64.Request));
+	err |= copy_from_user(&arg64.error_info, &arg32->error_info, sizeof(arg64.error_info));
+	err |= get_user(arg64.buf_size, &arg32->buf_size);
+	err |= get_user(arg64.buf, &arg32->buf);
+	if (err) 
+		return -EFAULT; 
+
+	old_fs = get_fs();
+	set_fs(KERNEL_DS);
+	err = sys_ioctl(fd, CCISS_PASSTHRU, (unsigned long) &arg64);
+	set_fs(old_fs);
+	if (err)
+		return err;
+	err |= copy_to_user(&arg32->error_info, &arg64.error_info, sizeof(&arg32->error_info));
+	if (err) 
+		return -EFAULT; 
+	return err;
+}
+int cciss_ioctl32_big_passthru(unsigned int fd, unsigned cmd, unsigned long arg,
+					struct file *file)
+{
+	BIG_IOCTL32_Command_struct *arg32 = 
+		(BIG_IOCTL32_Command_struct *) arg;
+	BIG_IOCTL_Command_struct arg64;
+	mm_segment_t old_fs; 
+	int err;
+
+	err = 0;
+	err |= copy_from_user(&arg64.LUN_info, &arg32->LUN_info, sizeof(arg64.LUN_info));
+	err |= copy_from_user(&arg64.Request, &arg32->Request, sizeof(arg64.Request));
+	err |= copy_from_user(&arg64.error_info, &arg32->error_info, sizeof(arg64.error_info));
+	err |= get_user(arg64.buf_size, &arg32->buf_size);
+	err |= get_user(arg64.malloc_size, &arg32->malloc_size);
+	err |= get_user(arg64.buf, &arg32->buf);
+	if (err) return -EFAULT; 
+	old_fs = get_fs();
+	set_fs(KERNEL_DS);
+	err = sys_ioctl(fd, CCISS_BIG_PASSTHRU, (unsigned long) &arg64);
+	set_fs(old_fs);
+	if (err)
+		return err;
+	err |= copy_to_user(&arg32->error_info, &arg64.error_info, sizeof(&arg32->error_info));
+	if (err) 
+		return -EFAULT; 
+	return err;
+}
+#else 
+static inline void register_cciss_ioctl32(void) {}
+static inline void unregister_cciss_ioctl32(void) {}
+#endif
 /*
  * ioctl 
  */
@@ -3317,7 +3459,7 @@
 EXPORT_NO_SYMBOLS;
 static int __init init_cciss_module(void)
 {
-
+	register_cciss_ioctl32();
 	return cciss_init();
 }
 
@@ -3325,6 +3467,7 @@
 {
 	int i;
 
+	unregister_cciss_ioctl32();
 	pci_unregister_driver(&cciss_pci_driver);
 	/* double check that all controller entrys have been removed */
 	for (i=0; i< MAX_CTLR; i++) {