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authorIan Romanick <idr@us.ibm.com>2007-06-26 13:15:22 -0700
committerIan Romanick <idr@us.ibm.com>2007-06-26 13:15:22 -0700
commitec9e494eb99d409a7e1e97bb6c5f71e9bb5a4486 (patch)
tree769d1644ca05a81d9f53279797ebaef9168b3b58
parent434657a2582362367ba2a94f827511252001368f (diff)
Gut support for pre-2.6 kernels.
-rw-r--r--linux-core/xgi_linux.h96
1 files changed, 4 insertions, 92 deletions
diff --git a/linux-core/xgi_linux.h b/linux-core/xgi_linux.h
index 67c1af82..77660ee0 100644
--- a/linux-core/xgi_linux.h
+++ b/linux-core/xgi_linux.h
@@ -35,20 +35,8 @@
#include <linux/version.h>
#endif
-#ifndef KERNEL_VERSION /* pre-2.1.90 didn't have it */
-#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 4, 0)
-# error "This driver does not support pre-2.4 kernels!"
-#elif LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0)
-#define KERNEL_2_4
-#elif LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0)
-# error "This driver does not support 2.5 kernels!"
-#elif LINUX_VERSION_CODE < KERNEL_VERSION(2, 7, 0)
-#define KERNEL_2_6
-#else
-# error "This driver does not support development kernels!"
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0)
+# error "This driver does not support pre-2.6 kernels!"
#endif
#if defined (CONFIG_SMP) && !defined (__SMP__)
@@ -59,10 +47,6 @@
#define MODVERSIONS
#endif
-#if defined (MODVERSIONS) && !defined (KERNEL_2_6)
-#include <linux/modversions.h>
-#endif
-
#include <linux/kernel.h> /* printk */
#include <linux/module.h>
@@ -88,12 +72,10 @@
#define XGI_SCAN_PROCESS(p) for_each_task(p)
#endif
-#ifdef KERNEL_2_6
#include <linux/moduleparam.h> /* module_param() */
#include <linux/smp_lock.h> /* kernel_locked */
#include <asm/tlbflush.h> /* flush_tlb(), flush_tlb_all() */
#include <asm/kmap_types.h> /* page table entry lookup */
-#endif
#include <linux/pci.h> /* pci_find_class, etc */
#include <linux/interrupt.h> /* tasklets, interrupt helpers */
@@ -141,13 +123,8 @@
#endif
#ifndef MAX_ORDER
-#ifdef KERNEL_2_4
-#define MAX_ORDER 10
-#endif
-#ifdef KERNEL_2_6
#define MAX_ORDER 11
#endif
-#endif
#ifndef module_init
#define module_init(x) int init_module(void) { return x(); }
@@ -171,39 +148,20 @@ typedef void irqreturn_t;
pos = pos->next, prefetch(pos->next))
#endif
-#ifdef KERNEL_2_4
-#define XGI_PCI_FOR_EACH_DEV(dev) pci_for_each_dev(dev)
-#endif
-#ifdef KERNEL_2_6
extern struct list_head pci_devices; /* list of all devices */
#define XGI_PCI_FOR_EACH_DEV(dev) \
for(dev = pci_dev_g(pci_devices.next); dev != pci_dev_g(&pci_devices); dev = pci_dev_g(dev->global_list.next))
-#endif
/*
* the following macro causes problems when used in the same module
* as module_param(); undef it so we don't accidentally mix the two
*/
-#if defined (KERNEL_2_6)
#undef MODULE_PARM
-#endif
#ifdef EXPORT_NO_SYMBOLS
EXPORT_NO_SYMBOLS;
#endif
-#if defined (KERNEL_2_4)
-#define XGI_IS_SUSER() suser()
-#define XGI_PCI_DEVICE_NAME(dev) ((dev)->name)
-#define XGI_NUM_CPUS() smp_num_cpus
-#define XGI_CLI() __cli()
-#define XGI_SAVE_FLAGS(eflags) __save_flags(eflags)
-#define XGI_RESTORE_FLAGS(eflags) __restore_flags(eflags)
-#define XGI_MAY_SLEEP() (!in_interrupt())
-#define XGI_MODULE_PARAMETER(x) MODULE_PARM(x, "i")
-#endif
-
-#if defined (KERNEL_2_6)
#define XGI_IS_SUSER() capable(CAP_SYS_ADMIN)
#define XGI_PCI_DEVICE_NAME(dev) ((dev)->pretty_name)
#define XGI_NUM_CPUS() num_online_cpus()
@@ -212,7 +170,7 @@ EXPORT_NO_SYMBOLS;
#define XGI_RESTORE_FLAGS(eflags) local_irq_restore(eflags)
#define XGI_MAY_SLEEP() (!in_interrupt() && !in_atomic())
#define XGI_MODULE_PARAMETER(x) module_param(x, int, 0)
-#endif
+
/* Earlier 2.4.x kernels don't have pci_disable_device() */
#ifdef XGI_PCI_DISABLE_DEVICE_PRESENT
@@ -255,7 +213,7 @@ EXPORT_NO_SYMBOLS;
* model is not sufficient for full acpi support. it may work in some cases,
* but not enough for us to officially support this configuration.
*/
-#if defined(CONFIG_ACPI) && defined(KERNEL_2_6)
+#if defined(CONFIG_ACPI)
#define XGI_PM_SUPPORT_ACPI
#endif
@@ -264,7 +222,6 @@ EXPORT_NO_SYMBOLS;
#endif
#if defined(CONFIG_DEVFS_FS)
-#if defined(KERNEL_2_6)
typedef void *devfs_handle_t;
#define XGI_DEVFS_REGISTER(_name, _minor) \
({ \
@@ -281,39 +238,10 @@ typedef void *devfs_handle_t;
*/
#define XGI_DEVFS_REMOVE_CONTROL() devfs_remove("xgi_ctl")
#define XGI_DEVFS_REMOVE_DEVICE(i) devfs_remove("xgi")
-#else // defined(KERNEL_2_4)
-#define XGI_DEVFS_REGISTER(_name, _minor) \
- ({ \
- devfs_handle_t __handle = devfs_register(NULL, _name, DEVFS_FL_AUTO_DEVNUM, \
- XGI_DEV_MAJOR, _minor, \
- S_IFCHR | S_IRUGO | S_IWUGO, &xgi_fops, NULL); \
- __handle; \
- })
-
-#define XGI_DEVFS_REMOVE_DEVICE(i) \
- ({ \
- if (xgi_devfs_handles[i] != NULL) \
- { \
- devfs_unregister(xgi_devfs_handles[i]); \
- } \
- })
-#define XGI_DEVFS_REMOVE_CONTROL() \
- ({ \
- if (xgi_devfs_handles[0] != NULL) \
- { \
- devfs_unregister(xgi_devfs_handles[0]); \
- } \
- })
-#endif /* defined(KERNEL_2_4) */
#endif /* defined(CONFIG_DEVFS_FS) */
-#if defined(CONFIG_DEVFS_FS) && !defined(KERNEL_2_6)
-#define XGI_REGISTER_CHRDEV(x...) devfs_register_chrdev(x)
-#define XGI_UNREGISTER_CHRDEV(x...) devfs_unregister_chrdev(x)
-#else
#define XGI_REGISTER_CHRDEV(x...) register_chrdev(x)
#define XGI_UNREGISTER_CHRDEV(x...) unregister_chrdev(x)
-#endif
#if defined(XGI_REMAP_PFN_RANGE_PRESENT)
#define XGI_REMAP_PAGE_RANGE(from, offset, x...) \
@@ -519,17 +447,6 @@ static inline void XGI_SET_PAGE_ATTRIB_CACHED(xgi_pte_t * page_ptr)
#define XGI_SET_PAGE_ATTRIB_CACHED(page_list)
#endif
-#ifdef KERNEL_2_4
-#define XGI_INC_PAGE_COUNT(page) atomic_inc(&(page)->count)
-#define XGI_DEC_PAGE_COUNT(page) atomic_dec(&(page)->count)
-#define XGI_PAGE_COUNT(page) atomic_read(&(page)->count)
-#define XGI_SET_PAGE_COUNT(page,v) atomic_set(&(page)->count, v)
-
-#define XGILockPage(page) set_bit(PG_locked, &(page)->flags)
-#define XGIUnlockPage(page) clear_bit(PG_locked, &(page)->flags)
-#endif
-
-#ifdef KERNEL_2_6
/* add for SUSE 9, Jill*/
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 4)
#define XGI_INC_PAGE_COUNT(page) atomic_inc(&(page)->count)
@@ -544,7 +461,6 @@ static inline void XGI_SET_PAGE_ATTRIB_CACHED(xgi_pte_t * page_ptr)
#endif
#define XGILockPage(page) SetPageLocked(page)
#define XGIUnlockPage(page) ClearPageLocked(page)
-#endif
/*
* hide a pointer to struct xgi_info_t in a file-private info
@@ -564,11 +480,7 @@ typedef struct {
/* for the card devices */
#define XGI_INFO_FROM_FP(filp) (XGI_GET_FP(filp)->info)
-#ifdef KERNEL_2_0
-#define INODE_FROM_FP(filp) ((filp)->f_inode)
-#else
#define INODE_FROM_FP(filp) ((filp)->f_dentry->d_inode)
-#endif
#define XGI_ATOMIC_SET(data,val) atomic_set(&(data), (val))
#define XGI_ATOMIC_INC(data) atomic_inc(&(data))