debian-packaging
/
linux
8
0
Fork 0
Code Releases Activity
linux/debian/patches/m68k-incompatible.patch

4738 lines
143 KiB
Diff
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

diff -urN --exclude-from=/usr/src/exclude-file linux-i386/Makefile linux-m68k/Makefile
--- linux-i386/Makefile 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/Makefile 2005-10-29 10:40:15.000000000 +0200
@@ -189,7 +189,7 @@
# Default value for CROSS_COMPILE is not to prefix executables
# Note: Some architectures assign CROSS_COMPILE in their arch/*/Makefile
-ARCH ?= $(SUBARCH)
+ARCH ?= m68k
CROSS_COMPILE ?=
# Architecture as present in compile.h
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/arch/m68k/Kconfig linux-m68k/arch/m68k/Kconfig
--- linux-i386/arch/m68k/Kconfig 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/arch/m68k/Kconfig 2005-10-29 10:40:42.000000000 +0200
@@ -618,7 +618,7 @@
config SERIAL167
bool "CD2401 support for MVME166/7 serial ports"
- depends on MVME16x && BROKEN
+ depends on MVME16x
help
This is the driver for the serial ports on the Motorola MVME166,
167, and 172 boards. Everyone using one of these boards should say
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/arch/m68k/amiga/amiints.c linux-m68k/arch/m68k/amiga/amiints.c
--- linux-i386/arch/m68k/amiga/amiints.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/arch/m68k/amiga/amiints.c 2005-11-01 16:31:28.000000000 +0100
@@ -40,6 +40,7 @@
#include <linux/sched.h>
#include <linux/kernel_stat.h>
#include <linux/init.h>
+#include <linux/interrupt.h>
#include <linux/errno.h>
#include <linux/seq_file.h>
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/arch/m68k/amiga/config.c linux-m68k/arch/m68k/amiga/config.c
--- linux-i386/arch/m68k/amiga/config.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/arch/m68k/amiga/config.c 2005-10-12 16:31:23.000000000 +0200
@@ -431,9 +431,6 @@
mach_floppy_setup = amiga_floppy_setup;
#endif
mach_reset = amiga_reset;
-#ifdef CONFIG_DUMMY_CONSOLE
- conswitchp = &dummy_con;
-#endif
#if defined(CONFIG_INPUT_M68K_BEEP) || defined(CONFIG_INPUT_M68K_BEEP_MODULE)
mach_beep = amiga_mksound;
#endif
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/arch/m68k/apollo/config.c linux-m68k/arch/m68k/apollo/config.c
--- linux-i386/arch/m68k/apollo/config.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/arch/m68k/apollo/config.c 2005-10-12 16:31:23.000000000 +0200
@@ -176,9 +176,6 @@
mach_set_clock_mmss = dn_dummy_set_clock_mmss; /* */
mach_process_int = dn_process_int;
mach_reset = dn_dummy_reset; /* */
-#ifdef CONFIG_DUMMY_CONSOLE
- conswitchp = &dummy_con;
-#endif
#ifdef CONFIG_HEARTBEAT
mach_heartbeat = dn_heartbeat;
#endif
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/arch/m68k/atari/config.c linux-m68k/arch/m68k/atari/config.c
--- linux-i386/arch/m68k/atari/config.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/arch/m68k/atari/config.c 2005-10-12 16:31:23.000000000 +0200
@@ -247,9 +247,6 @@
#ifdef CONFIG_ATARI_FLOPPY
mach_floppy_setup = atari_floppy_setup;
#endif
-#ifdef CONFIG_DUMMY_CONSOLE
- conswitchp = &dummy_con;
-#endif
mach_max_dma_address = 0xffffff;
#if defined(CONFIG_INPUT_M68K_BEEP) || defined(CONFIG_INPUT_M68K_BEEP_MODULE)
mach_beep = atari_mksound;
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/arch/m68k/fpsp040/skeleton.S linux-m68k/arch/m68k/fpsp040/skeleton.S
--- linux-i386/arch/m68k/fpsp040/skeleton.S 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/arch/m68k/fpsp040/skeleton.S 2005-10-29 10:40:44.000000000 +0200
@@ -381,10 +381,8 @@
.Lnotkern:
SAVE_ALL_INT
GET_CURRENT(%d0)
- tstb %curptr@(TASK_NEEDRESCHED)
- jne ret_from_exception | deliver signals,
- | reschedule etc..
- RESTORE_ALL
+ | deliver signals, reschedule etc..
+ jra ret_from_exception
|
| mem_write --- write to user or supervisor address space
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/arch/m68k/hp300/config.c linux-m68k/arch/m68k/hp300/config.c
--- linux-i386/arch/m68k/hp300/config.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/arch/m68k/hp300/config.c 2005-10-12 16:31:23.000000000 +0200
@@ -261,9 +261,6 @@
#ifdef CONFIG_HEARTBEAT
mach_heartbeat = hp300_pulse;
#endif
-#ifdef CONFIG_DUMMY_CONSOLE
- conswitchp = &dummy_con;
-#endif
mach_max_dma_address = 0xffffffff;
if (hp300_model >= HP_330 && hp300_model <= HP_433S && hp300_model != HP_350) {
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/arch/m68k/ifpsp060/iskeleton.S linux-m68k/arch/m68k/ifpsp060/iskeleton.S
--- linux-i386/arch/m68k/ifpsp060/iskeleton.S 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/arch/m68k/ifpsp060/iskeleton.S 2005-10-29 10:40:44.000000000 +0200
@@ -75,10 +75,8 @@
.Lnotkern:
SAVE_ALL_INT
GET_CURRENT(%d0)
- tstb %curptr@(TASK_NEEDRESCHED)
- jne ret_from_exception | deliver signals,
- | reschedule etc..
- RESTORE_ALL
+ | deliver signals, reschedule etc..
+ jra ret_from_exception
|
| _060_real_chk():
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/arch/m68k/kernel/asm-offsets.c linux-m68k/arch/m68k/kernel/asm-offsets.c
--- linux-i386/arch/m68k/kernel/asm-offsets.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/arch/m68k/kernel/asm-offsets.c 2005-05-30 16:31:22.000000000 +0200
@@ -25,12 +25,8 @@
DEFINE(TASK_STATE, offsetof(struct task_struct, state));
DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
- DEFINE(TASK_WORK, offsetof(struct task_struct, thread.work));
- DEFINE(TASK_NEEDRESCHED, offsetof(struct task_struct, thread.work.need_resched));
- DEFINE(TASK_SYSCALL_TRACE, offsetof(struct task_struct, thread.work.syscall_trace));
- DEFINE(TASK_SIGPENDING, offsetof(struct task_struct, thread.work.sigpending));
- DEFINE(TASK_NOTIFY_RESUME, offsetof(struct task_struct, thread.work.notify_resume));
DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
+ DEFINE(TASK_INFO, offsetof(struct task_struct, thread.info));
DEFINE(TASK_MM, offsetof(struct task_struct, mm));
DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
@@ -45,6 +41,10 @@
DEFINE(THREAD_FPCNTL, offsetof(struct thread_struct, fpcntl));
DEFINE(THREAD_FPSTATE, offsetof(struct thread_struct, fpstate));
+ /* offsets into the thread_info struct */
+ DEFINE(TINFO_PREEMPT, offsetof(struct thread_info, preempt_count));
+ DEFINE(TINFO_FLAGS, offsetof(struct thread_info, flags));
+
/* offsets into the pt_regs */
DEFINE(PT_D0, offsetof(struct pt_regs, d0));
DEFINE(PT_ORIG_D0, offsetof(struct pt_regs, orig_d0));
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/arch/m68k/kernel/bios32.c linux-m68k/arch/m68k/kernel/bios32.c
--- linux-i386/arch/m68k/kernel/bios32.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/arch/m68k/kernel/bios32.c 2004-10-20 16:38:00.000000000 +0200
@@ -285,7 +285,7 @@
DBG_DEVS(("layout_bus: starting bus %d\n", bus->number));
- if (!bus->devices && !bus->children)
+ if (list_empty(&bus->devices) && list_empty(&bus->children))
return;
/*
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/arch/m68k/kernel/entry.S linux-m68k/arch/m68k/kernel/entry.S
--- linux-i386/arch/m68k/kernel/entry.S 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/arch/m68k/kernel/entry.S 2005-10-29 10:40:44.000000000 +0200
@@ -44,9 +44,7 @@
#include <asm/asm-offsets.h>
-.globl system_call, buserr, trap
-.globl resume, ret_from_exception
-.globl ret_from_signal
+.globl system_call, buserr, trap, resume
.globl inthandler, sys_call_table
.globl sys_fork, sys_clone, sys_vfork
.globl ret_from_interrupt, bad_interrupt
@@ -58,7 +56,7 @@
movel %sp,%sp@- | stack frame pointer argument
bsrl buserr_c
addql #4,%sp
- jra ret_from_exception
+ jra .Lret_from_exception
ENTRY(trap)
SAVE_ALL_INT
@@ -66,7 +64,7 @@
movel %sp,%sp@- | stack frame pointer argument
bsrl trap_c
addql #4,%sp
- jra ret_from_exception
+ jra .Lret_from_exception
| After a fork we jump here directly from resume,
| so that %d1 contains the previous task
@@ -75,30 +73,31 @@
movel %d1,%sp@-
jsr schedule_tail
addql #4,%sp
- jra ret_from_exception
+ jra .Lret_from_exception
-badsys:
- movel #-ENOSYS,%sp@(PT_D0)
- jra ret_from_exception
-
-do_trace:
+do_trace_entry:
movel #-ENOSYS,%sp@(PT_D0) | needed for strace
subql #4,%sp
SAVE_SWITCH_STACK
jbsr syscall_trace
RESTORE_SWITCH_STACK
addql #4,%sp
- movel %sp@(PT_ORIG_D0),%d1
- movel #-ENOSYS,%d0
- cmpl #NR_syscalls,%d1
- jcc 1f
- jbsr @(sys_call_table,%d1:l:4)@(0)
-1: movel %d0,%sp@(PT_D0) | save the return value
- subql #4,%sp | dummy return address
+ movel %sp@(PT_ORIG_D0),%d0
+ cmpl #NR_syscalls,%d0
+ jcs syscall
+badsys:
+ movel #-ENOSYS,%sp@(PT_D0)
+ jra ret_from_syscall
+
+do_trace_exit:
+ subql #4,%sp
SAVE_SWITCH_STACK
jbsr syscall_trace
+ RESTORE_SWITCH_STACK
+ addql #4,%sp
+ jra .Lret_from_exception
-ret_from_signal:
+ENTRY(ret_from_signal)
RESTORE_SWITCH_STACK
addql #4,%sp
/* on 68040 complete pending writebacks if any */
@@ -111,7 +110,7 @@
addql #4,%sp
1:
#endif
- jra ret_from_exception
+ jra .Lret_from_exception
ENTRY(system_call)
SAVE_ALL_SYS
@@ -120,30 +119,34 @@
| save top of frame
movel %sp,%curptr@(TASK_THREAD+THREAD_ESP0)
- tstb %curptr@(TASK_SYSCALL_TRACE)
- jne do_trace
+ | syscall trace?
+ tstb %curptr@(TASK_INFO+TINFO_FLAGS+2)
+ jmi do_trace_entry
cmpl #NR_syscalls,%d0
jcc badsys
+syscall:
jbsr @(sys_call_table,%d0:l:4)@(0)
movel %d0,%sp@(PT_D0) | save the return value
-
+ret_from_syscall:
|oriw #0x0700,%sr
- movel %curptr@(TASK_WORK),%d0
+ movew %curptr@(TASK_INFO+TINFO_FLAGS+2),%d0
jne syscall_exit_work
1: RESTORE_ALL
syscall_exit_work:
btst #5,%sp@(PT_SR) | check if returning to kernel
bnes 1b | if so, skip resched, signals
- tstw %d0
- jeq do_signal_return
- tstb %d0
- jne do_delayed_trace
-
+ lslw #1,%d0
+ jcs do_trace_exit
+ jmi do_delayed_trace
+ lslw #8,%d0
+ jmi do_signal_return
pea resume_userspace
- jmp schedule
+ jra schedule
+
-ret_from_exception:
+ENTRY(ret_from_exception)
+.Lret_from_exception:
btst #5,%sp@(PT_SR) | check if returning to kernel
bnes 1f | if so, skip resched, signals
| only allow interrupts when we are really the last one on the
@@ -152,19 +155,18 @@
andw #ALLOWINT,%sr
resume_userspace:
- movel %curptr@(TASK_WORK),%d0
- lsrl #8,%d0
+ moveb %curptr@(TASK_INFO+TINFO_FLAGS+3),%d0
jne exit_work
1: RESTORE_ALL
exit_work:
| save top of frame
movel %sp,%curptr@(TASK_THREAD+THREAD_ESP0)
- tstb %d0
- jeq do_signal_return
-
+ lslb #1,%d0
+ jmi do_signal_return
pea resume_userspace
- jmp schedule
+ jra schedule
+
do_signal_return:
|andw #ALLOWINT,%sr
@@ -254,7 +256,7 @@
/* check if we need to do software interrupts */
tstl irq_stat+CPUSTAT_SOFTIRQ_PENDING
- jeq ret_from_exception
+ jeq .Lret_from_exception
pea ret_from_exception
jra do_softirq
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/arch/m68k/kernel/process.c linux-m68k/arch/m68k/kernel/process.c
--- linux-i386/arch/m68k/kernel/process.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/arch/m68k/kernel/process.c 2005-08-30 16:31:36.000000000 +0200
@@ -239,7 +239,7 @@
unsigned long stack_offset, *retp;
stack_offset = THREAD_SIZE - sizeof(struct pt_regs);
- childregs = (struct pt_regs *) ((unsigned long) (p->thread_info) + stack_offset);
+ childregs = (struct pt_regs *) ((unsigned long)p->stack + stack_offset);
*childregs = *regs;
childregs->d0 = 0;
@@ -384,7 +384,7 @@
if (!p || p == current || p->state == TASK_RUNNING)
return 0;
- stack_page = (unsigned long)(p->thread_info);
+ stack_page = (unsigned long)p->stack;
fp = ((struct switch_stack *)p->thread.ksp)->a6;
do {
if (fp < stack_page+sizeof(struct thread_info) ||
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/arch/m68k/kernel/ptrace.c linux-m68k/arch/m68k/kernel/ptrace.c
--- linux-i386/arch/m68k/kernel/ptrace.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/arch/m68k/kernel/ptrace.c 2005-06-19 16:32:04.000000000 +0200
@@ -109,7 +109,7 @@
{
unsigned long tmp = get_reg(child, PT_SR) & ~(TRACE_BITS << 16);
put_reg(child, PT_SR, tmp);
- child->thread.work.delayed_trace = 0;
+ clear_tsk_thread_flag(child, TIF_DELAYED_TRACE);
}
/*
@@ -118,7 +118,7 @@
void ptrace_disable(struct task_struct *child)
{
singlestep_disable(child);
- child->thread.work.syscall_trace = 0;
+ clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
}
asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
@@ -235,9 +235,9 @@
goto out_eio;
if (request == PTRACE_SYSCALL)
- child->thread.work.syscall_trace = ~0;
+ set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
else
- child->thread.work.syscall_trace = 0;
+ clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
child->exit_code = data;
singlestep_disable(child);
wake_up_process(child);
@@ -260,10 +260,10 @@
if (!valid_signal(data))
goto out_eio;
- child->thread.work.syscall_trace = 0;
+ clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
tmp = get_reg(child, PT_SR) | (TRACE_BITS << 16);
put_reg(child, PT_SR, tmp);
- child->thread.work.delayed_trace = 1;
+ set_tsk_thread_flag(child, TIF_DELAYED_TRACE);
child->exit_code = data;
/* give it a chance to run. */
@@ -329,9 +329,6 @@
asmlinkage void syscall_trace(void)
{
- if (!current->thread.work.delayed_trace &&
- !current->thread.work.syscall_trace)
- return;
ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD)
? 0x80 : 0));
/*
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/arch/m68k/kernel/setup.c linux-m68k/arch/m68k/kernel/setup.c
--- linux-i386/arch/m68k/kernel/setup.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/arch/m68k/kernel/setup.c 2005-10-12 16:31:24.000000000 +0200
@@ -280,6 +280,10 @@
}
}
+#ifdef CONFIG_DUMMY_CONSOLE
+ conswitchp = &dummy_con;
+#endif
+
switch (m68k_machtype) {
#ifdef CONFIG_AMIGA
case MACH_AMIGA:
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/arch/m68k/mac/config.c linux-m68k/arch/m68k/mac/config.c
--- linux-i386/arch/m68k/mac/config.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/arch/m68k/mac/config.c 2005-10-12 16:31:24.000000000 +0200
@@ -212,9 +212,6 @@
mach_reset = mac_reset;
mach_halt = mac_poweroff;
mach_power_off = mac_poweroff;
-#ifdef CONFIG_DUMMY_CONSOLE
- conswitchp = &dummy_con;
-#endif
mach_max_dma_address = 0xffffffff;
#if 0
mach_debug_init = mac_debug_init;
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/arch/m68k/q40/config.c linux-m68k/arch/m68k/q40/config.c
--- linux-i386/arch/m68k/q40/config.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/arch/m68k/q40/config.c 2005-10-12 16:31:25.000000000 +0200
@@ -194,9 +194,6 @@
mach_heartbeat = q40_heartbeat;
#endif
mach_halt = q40_halt;
-#ifdef CONFIG_DUMMY_CONSOLE
- conswitchp = &dummy_con;
-#endif
/* disable a few things that SMSQ might have left enabled */
q40_disable_irqs();
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/arch/m68k/sun3/config.c linux-m68k/arch/m68k/sun3/config.c
--- linux-i386/arch/m68k/sun3/config.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/arch/m68k/sun3/config.c 2005-10-12 16:31:25.000000000 +0200
@@ -160,9 +160,6 @@
mach_hwclk = sun3_hwclk;
mach_halt = sun3_halt;
mach_get_hardware_list = sun3_get_hardware_list;
-#if defined(CONFIG_DUMMY_CONSOLE)
- conswitchp = &dummy_con;
-#endif
memory_start = ((((int)&_end) + 0x2000) & ~0x1fff);
// PROM seems to want the last couple of physical pages. --m
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/arch/m68k/sun3x/config.c linux-m68k/arch/m68k/sun3x/config.c
--- linux-i386/arch/m68k/sun3x/config.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/arch/m68k/sun3x/config.c 2005-10-12 16:31:25.000000000 +0200
@@ -71,10 +71,6 @@
mach_get_model = sun3_get_model;
mach_get_hardware_list = sun3x_get_hardware_list;
-#ifdef CONFIG_DUMMY_CONSOLE
- conswitchp = &dummy_con;
-#endif
-
sun3_intreg = (unsigned char *)SUN3X_INTREG;
/* only the serial console is known to work anyway... */
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/block/swim3.c linux-m68k/drivers/block/swim3.c
--- linux-i386/drivers/block/swim3.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/drivers/block/swim3.c 2005-10-29 10:42:06.000000000 +0200
@@ -304,7 +304,7 @@
#endif /* CONFIG_PMAC_MEDIABAY */
start_request(&floppy_states[i]);
}
- sti();
+ local_irq_enable();
}
static void start_request(struct floppy_state *fs)
@@ -370,7 +370,7 @@
{
unsigned long flags;
- save_flags(flags); cli();
+ local_irq_save(flags);
if (fs->timeout_pending)
del_timer(&fs->timeout);
fs->timeout.expires = jiffies + nticks;
@@ -378,7 +378,7 @@
fs->timeout.data = (unsigned long) fs;
add_timer(&fs->timeout);
fs->timeout_pending = 1;
- restore_flags(flags);
+ local_irq_restore(flags);
}
static inline void scan_track(struct floppy_state *fs)
@@ -790,14 +790,13 @@
{
unsigned long flags;
- save_flags(flags);
- cli();
+ local_irq_save(flags);
if (fs->state != idle) {
++fs->wanted;
while (fs->state != available) {
if (interruptible && signal_pending(current)) {
--fs->wanted;
- restore_flags(flags);
+ local_irq_restore(flags);
return -EINTR;
}
interruptible_sleep_on(&fs->wait);
@@ -805,7 +804,7 @@
--fs->wanted;
}
fs->state = state;
- restore_flags(flags);
+ local_irq_restore(flags);
return 0;
}
@@ -813,11 +812,10 @@
{
unsigned long flags;
- save_flags(flags);
- cli();
+ local_irq_save(flags);
fs->state = idle;
start_request(fs);
- restore_flags(flags);
+ local_irq_restore(flags);
}
static int fd_eject(struct floppy_state *fs)
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/char/16c552.h linux-m68k/drivers/char/16c552.h
--- linux-i386/drivers/char/16c552.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-m68k/drivers/char/16c552.h 2001-10-22 11:34:32.000000000 +0200
@@ -0,0 +1,165 @@
+/*
+ * Definitions for the 16c552 DACE
+ * (dual-asynchronous-communications-element) used on the GVP
+ * IO-Extender.
+ *
+ * Basically this is two 16c550 uarts's and a parallel port, which is
+ * why the serial definitions should be valid for the 16c550 uart
+ * aswell.
+ *
+ * Data was taken from National Semiconductors duart 16c552
+ * data-sheets and the Texas Instruments DACE 16c552 data-sheets (the
+ * NS version of the chip is _non_ standard and their data-sheets did
+ * cost me several wasted hours of work).
+ *
+ * This file is (C) 1995 Jes Sorensen (jds@kom.auc.dk)
+ *
+ * Moved from drivers/char/ to include/linux/, because it's useful
+ * on more than just the one card. I'm using it on the hp300 DCA
+ * serial driver, for example.
+ * -- Peter Maydell <pmaydell@chiark.greenend.org.uk> 05/1998
+ */
+
+#ifndef _16C552_H_
+#define _16C552_H_
+
+/* Serial stuff */
+
+struct uart_16c550 {
+ volatile u_char skip0;
+ volatile u_char RBR;
+ volatile u_char skip1;
+ volatile u_char IER;
+ volatile u_char skip2;
+ volatile u_char IIR;
+ volatile u_char skip3;
+ volatile u_char LCR;
+ volatile u_char skip4;
+ volatile u_char MCR;
+ volatile u_char skip5;
+ volatile u_char LSR;
+ volatile u_char skip6;
+ volatile u_char MSR;
+ volatile u_char skip7;
+ volatile u_char SCR;
+};
+
+#define THR RBR
+#define FCR IIR
+#define DLL RBR
+#define DLM IER
+#define AFR IIR
+
+/*
+ * Bit-defines for the various registers.
+ */
+
+
+/* IER */
+
+#define ERDAI (1<<0)
+#define ETHREI (1<<1)
+#define ELSI (1<<2)
+#define EMSI (1<<3)
+
+/* IIR - Interrupt Ident. Register */
+
+#define IRQ_PEND (1<<0) /* NOTE: IRQ_PEND=0 implies irq pending */
+#define IRQ_ID1 (1<<1)
+#define IRQ_ID2 (1<<2)
+#define IRQ_ID3 (1<<3)
+#define FIFO_ENA0 (1<<6) /* Both these are set when FCR(1<<0)=1 */
+#define FIFO_ENA1 (1<<7)
+
+#define IRQ_RLS (IRQ_ID1 | IRQ_ID2)
+#define IRQ_RDA (IRQ_ID2)
+#define IRQ_CTI (IRQ_ID2 | IRQ_ID3)
+#define IRQ_THRE (IRQ_ID1)
+#define IRQ_MS 0
+
+/* FCR - FIFO Control Register */
+
+#define FIFO_ENA (1<<0)
+#define RCVR_FIFO_RES (1<<1)
+#define XMIT_FIFO_RES (1<<2)
+#define DMA_MODE_SEL (1<<3)
+#define RCVR_TRIG_LSB (1<<6)
+#define RCVR_TRIG_MSB (1<<7)
+
+#define FIFO_TRIG_1 0x00
+#define FIFO_TRIG_4 RCVR_TRIG_LSB
+#define FIFO_TRIG_8 RCVR_TRIG_MSB
+#define FIFO_TRIG_14 RCVR_TRIG_LSB|RCVR_TRIG_MSB
+
+/* LCR - Line Control Register */
+
+#define WLS0 (1<<0)
+#define WLS1 (1<<1)
+#define STB (1<<2)
+#define PEN (1<<3)
+#define EPS (1<<4)
+#define STICK_PARITY (1<<5)
+#define SET_BREAK (1<<6)
+#define DLAB (1<<7)
+
+#define data_5bit 0x00
+#define data_6bit 0x01
+#define data_7bit 0x02
+#define data_8bit 0x03
+
+
+/* MCR - Modem Control Register */
+
+#define DTR (1<<0)
+#define RTS (1<<1)
+#define OUT1 (1<<2)
+#define OUT2 (1<<3)
+#define LOOP (1<<4)
+
+/* LSR - Line Status Register */
+
+#define DR (1<<0)
+#define OE (1<<1)
+#define PE (1<<2)
+#define FE (1<<3)
+#define BI (1<<4)
+#define THRE (1<<5)
+#define TEMT (1<<6)
+#define RCVR_FIFO_ERR (1<<7)
+
+/* MSR - Modem Status Register */
+
+#define DCTS (1<<0)
+#define DDSR (1<<1)
+#define TERI (1<<2)
+#define DDCD (1<<3)
+#define CTS (1<<4)
+#define DSR (1<<5)
+#define RING_I (1<<6)
+#define DCD (1<<7)
+
+/* AFR - Alternate Function Register */
+
+#define CONCUR_WRITE (1<<0)
+#define BAUDOUT (1<<1)
+#define RXRDY (1<<2)
+
+/* Parallel stuff */
+
+/*
+ * Unfortunately National Semiconductors did not supply the
+ * specifications for the parallel port in the chip :-(
+ * TI succed though, so here they are :-)
+ *
+ * Defines for the bits can be found by including <linux/lp.h>
+ */
+struct IOEXT_par {
+ volatile u_char skip0;
+ volatile u_char DATA;
+ volatile u_char skip1;
+ volatile u_char STATUS;
+ volatile u_char skip2;
+ volatile u_char CTRL;
+};
+
+#endif
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/char/ioext.h linux-m68k/drivers/char/ioext.h
--- linux-i386/drivers/char/ioext.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-m68k/drivers/char/ioext.h 2001-10-22 11:34:32.000000000 +0200
@@ -0,0 +1,108 @@
+/*
+ * Shared data structure for GVP IO-Extender support.
+ *
+ * Merge of ioext.h and ser_ioext.h
+ */
+#ifndef _IOEXT_H_
+#define _IOEXT_H_
+
+#include <linux/config.h>
+#include <linux/netdevice.h>
+
+#include "16c552.h"
+
+#define MAX_IOEXT 5 /*
+ * The maximum number of io-extenders is 5, as you
+ * can't have more than 5 ZII boards in any Amiga.
+ */
+
+#define UART_CLK 7372800
+
+#define IOEXT_BAUD_BASE (UART_CLK / 16)
+
+#define IOEXT_MAX_LINES 2
+
+#define IOEXT_PAR_PLIP 0x0001
+#define IOEXT_PAR_LP 0x0002
+
+
+/*
+ * Macros for the serial driver.
+ */
+#define curruart(info) ((struct uart_16c550 *)(info->port))
+
+#define ser_DTRon(info) curruart(info)->MCR |= DTR
+#define ser_RTSon(info) curruart(info)->MCR |= RTS
+#define ser_DTRoff(info) curruart(info)->MCR &= ~DTR
+#define ser_RTSoff(info) curruart(info)->MCR &= ~RTS
+
+
+/*
+ * CNTR defines (copied from the GVP SCSI-driver file gvp11.h
+ */
+#define GVP_BUSY (1<<0)
+#define GVP_IRQ_PEND (1<<1)
+#define GVP_IRQ_ENA (1<<3)
+#define GVP_DIR_WRITE (1<<4)
+
+
+/*
+ * CTRL defines
+ */
+#define PORT0_MIDI (1<<0) /* CLR = DRIVERS SET = MIDI */
+#define PORT1_MIDI (1<<1) /* CLR = DRIVERS SET = MIDI */
+#define PORT0_DRIVER (1<<2) /* CLR = RS232, SET = MIDI */
+#define PORT1_DRIVER (1<<3) /* CLR = RS232, SET = MIDI */
+#define IRQ_SEL (1<<4) /* CLR = INT2, SET = INT6 */
+#define ROM_BANK_SEL (1<<5) /* CLR = LOW 32K, SET = HIGH 32K */
+#define PORT0_CTRL (1<<6) /* CLR = RTSx or RXRDYx, SET = RTSx ONLY */
+#define PORT1_CTRL (1<<7) /* CLR = RTSx or RXRDYx, SET = RTSx ONLY */
+
+
+/*
+ * This is the struct describing the registers on the IO-Extender.
+ * NOTE: The board uses a dual uart (16c552), which should be equal to
+ * two 16c550 uarts.
+ */
+typedef struct {
+ char gap0[0x41];
+ volatile unsigned char CNTR; /* GVP DMAC CNTR (status register) */
+ char gap1[0x11e];
+ struct uart_16c550 uart0; /* The first uart */
+ char gap2[0xf0];
+ struct uart_16c550 uart1; /* The second uart */
+ char gap3[0xf0];
+ struct IOEXT_par par; /* The parallel port */
+ char gap4[0xfb];
+ volatile unsigned char CTRL; /* The control-register on the board */
+} IOEXT_struct;
+
+
+typedef struct {
+ int num_uarts;
+ int line[IOEXT_MAX_LINES];
+ volatile struct uart_16c550 *uart[IOEXT_MAX_LINES];
+ IOEXT_struct *board;
+ int spurious_count;
+ unsigned char par_use; /* IOEXT_PAR_xxx */
+#if defined(CONFIG_GVPIOEXT_PLIP) || defined(CONFIG_GVPIOEXT_PLIP_MODULE)
+ struct nt_device *dev;
+#endif
+#if defined(CONFIG_GVPIOEXT_LP) || defined(CONFIG_GVPIOEXT_LP_MODULE)
+ struct lp_struct *lp_table;
+ int lp_dev;
+ int lp_interrupt;
+#endif
+} IOExtInfoType;
+
+/* Number of detected boards. */
+extern int ioext_num;
+extern IOExtInfoType ioext_info[MAX_IOEXT];
+
+void ioext_plip_interrupt(struct net_device *dev, int *spurious_count);
+void ioext_lp_interrupt(int dev, int *spurious_count);
+
+extern struct net_device ioext_dev_plip[3];
+extern struct lp_struct ioext_lp_table[1];
+
+#endif
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/char/mc68681.h linux-m68k/drivers/char/mc68681.h
--- linux-i386/drivers/char/mc68681.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-m68k/drivers/char/mc68681.h 2001-10-22 11:34:32.000000000 +0200
@@ -0,0 +1,131 @@
+#ifndef _MC68681_H_
+#define _MC68681_H_
+
+/*
+ * This describes an MC68681 DUART. It has almost only overlayed registers, which
+ * the structure very ugly.
+ * Note that the ri-register isn't really a register of the duart but a kludge of bsc
+ * to make the ring indicator available.
+ *
+ * The data came from the MFC-31-Developer Kit (from Ralph Seidel,
+ * zodiac@darkness.gun.de) and the data sheet of Phillip's clone device (SCN68681)
+ * (from Richard Hirst, srh@gpt.co.uk)
+ *
+ * 11.11.95 copyright Joerg Dorchain (dorchain@mpi-sb.mpg.de)
+ *
+ */
+
+struct duarthalf {
+union {
+volatile u_char mr1; /* rw */
+volatile u_char mr2; /* rw */
+} mr;
+volatile u_char ri; /* special, read */
+union {
+volatile u_char sr; /* read */
+volatile u_char csr; /* write */
+} sr_csr;
+u_char pad1;
+volatile u_char cr; /* write */
+u_char pad2;
+union {
+volatile u_char rhr; /* read */
+volatile u_char thr; /* write */
+} hr;
+u_char pad3;
+};
+
+struct duart {
+struct duarthalf pa;
+union {
+volatile u_char ipcr; /* read */
+volatile u_char acr; /* write */
+} ipcr_acr;
+u_char pad1;
+union {
+volatile u_char isr; /* read */
+volatile u_char imr; /* write */
+} ir;
+u_char pad2;
+volatile u_char ctu;
+u_char pad3;
+volatile u_char ctl;
+u_char pad4;
+struct duarthalf pb;
+volatile u_char ivr;
+u_char pad5;
+union {
+volatile u_char ipr; /* read */
+volatile u_char opcr; /* write */
+} ipr_opcr;
+u_char pad6;
+union {
+volatile u_char start; /* read */
+volatile u_char sopc; /* write */
+} start_sopc;
+u_char pad7;
+union {
+volatile u_char stop; /* read */
+volatile u_char ropc; /* write */
+} stop_ropc;
+u_char pad8;
+};
+
+#define MR1_BITS 3
+#define MR1_5BITS 0
+#define MR1_6BITS 1
+#define MR1_7BITS 2
+#define MR1_8BITS 3
+
+#define MR1_PARITY_ODD 4
+
+#define MR1_PARITY 24
+#define MR1_PARITY_WITH 0
+#define MR1_PARITY_FORCE 8
+#define MR1_PARITY_NO 16
+#define MR1_PARITY_MULTIDROP 24
+
+#define MR1_ERROR_BLOCK 32
+#define MR1_FFULL_IRQ 64
+#define MR1_RxRTS_ON 128
+
+#define MR2_STOPS 15
+#define MR2_1STOP 7
+#define MR2_2STOP 15
+
+#define MR2_CTS_ON 16
+#define MR2_TxRTS_ON 32
+
+#define MR2_MODE 192
+#define MR2_NORMAL 0
+#define MR2_ECHO 64
+#define MR2_LOCALLOOP 128
+#define MR2_REMOTELOOP 192
+
+#define CR_RXCOMMAND 3
+#define CR_NONE 0
+#define CR_RX_ON 1
+#define CR_RX_OFF 2
+#define CR_TXCOMMAND 12
+#define CR_TX_ON 4
+#define CR_TX_OFF 8
+#define CR_MISC 112
+#define CR_RESET_MR 16
+#define CR_RESET_RX 32
+#define CR_RESET_TX 48
+#define CR_RESET_ERR 64
+#define CR_RESET_BREAK 80
+#define CR_START_BREAK 96
+#define CR_STOP_BREAK 112
+
+#define SR_RXRDY 1
+#define SR_FFULL 2
+#define SR_TXRDY 4
+#define SR_TXEMPT 8
+#define SR_OVERRUN 16
+#define SR_PARITY 32
+#define SR_FRAMING 64
+#define SR_BREAK 128
+
+
+#endif
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/char/plip_ioext.c linux-m68k/drivers/char/plip_ioext.c
--- linux-i386/drivers/char/plip_ioext.c 1970-01-01 01:00:00.000000000 +0100
+++ linux-m68k/drivers/char/plip_ioext.c 2004-10-25 16:38:25.000000000 +0200
@@ -0,0 +1,1058 @@
+/*
+ * plip_ioext: A parallel port "network" driver for GVP IO-Extender.
+ *
+ * Authors: See drivers/net/plip.c
+ * IO-Extender version by Steve Bennett, <msteveb@ozemail.com.au>
+ *
+ * This driver is for use with a 5-bit cable (LapLink (R) cable).
+ */
+
+static const char *version = "NET3 PLIP version 2.2/m68k";
+
+#define __NO_VERSION__
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/sched.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/slab.h>
+#include <linux/termios.h>
+#include <linux/tty.h>
+#include <linux/serial.h>
+
+#include <asm/setup.h>
+#include <asm/irq.h>
+#include <asm/amigahw.h>
+#include <asm/amigaints.h>
+#include <linux/zorro.h>
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/fcntl.h>
+#include <linux/string.h>
+#include <linux/ptrace.h>
+#include <linux/if_ether.h>
+
+#include <asm/system.h>
+
+#include <linux/in.h>
+#include <linux/delay.h>
+/*#include <linux/lp_m68k.h>*/
+
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/inetdevice.h>
+#include <linux/skbuff.h>
+#include <linux/if_plip.h>
+
+#include <linux/tqueue.h>
+#include <linux/ioport.h>
+#include <linux/bitops.h>
+#include <asm/byteorder.h>
+
+#include "ioext.h"
+
+#define DEBUG 0
+
+/* Map 'struct device *' to our control structure */
+#define PLIP_DEV(DEV) (&ioext_info[(DEV)->irq])
+
+/************************************************************************
+**
+** PLIP definitions
+**
+*************************************************************************
+*/
+
+/* Use 0 for production, 1 for verification, >2 for debug */
+#ifndef NET_DEBUG
+#define NET_DEBUG 2
+#endif
+static unsigned int net_debug = NET_DEBUG;
+
+/* In micro second */
+#define PLIP_DELAY_UNIT 1
+
+/* Connection time out = PLIP_TRIGGER_WAIT * PLIP_DELAY_UNIT usec */
+#define PLIP_TRIGGER_WAIT 500
+
+/* Nibble time out = PLIP_NIBBLE_WAIT * PLIP_DELAY_UNIT usec */
+#define PLIP_NIBBLE_WAIT 3000
+
+#define PAR_DATA(dev) ((dev)->base_addr+0)
+#define PAR_STATUS(dev) ((dev)->base_addr+2)
+#define PAR_CONTROL(dev) ((dev)->base_addr+4)
+
+static void enable_par_irq(struct device *dev, int on);
+static int plip_init(struct device *dev);
+
+/* Bottom halfs */
+static void plip_kick_bh(struct device *dev);
+static void plip_bh(struct device *dev);
+
+/* Functions for DEV methods */
+static int plip_rebuild_header(struct sk_buff *skb);
+static int plip_tx_packet(struct sk_buff *skb, struct device *dev);
+static int plip_open(struct device *dev);
+static int plip_close(struct device *dev);
+static struct enet_statistics *plip_get_stats(struct device *dev);
+static int plip_config(struct device *dev, struct ifmap *map);
+static int plip_ioctl(struct device *dev, struct ifreq *ifr, int cmd);
+
+enum plip_connection_state {
+ PLIP_CN_NONE=0,
+ PLIP_CN_RECEIVE,
+ PLIP_CN_SEND,
+ PLIP_CN_CLOSING,
+ PLIP_CN_ERROR
+};
+
+enum plip_packet_state {
+ PLIP_PK_DONE=0,
+ PLIP_PK_TRIGGER,
+ PLIP_PK_LENGTH_LSB,
+ PLIP_PK_LENGTH_MSB,
+ PLIP_PK_DATA,
+ PLIP_PK_CHECKSUM
+};
+
+enum plip_nibble_state {
+ PLIP_NB_BEGIN,
+ PLIP_NB_1,
+ PLIP_NB_2,
+};
+
+struct plip_local {
+ enum plip_packet_state state;
+ enum plip_nibble_state nibble;
+ union {
+ struct {
+#if defined(__LITTLE_ENDIAN)
+ unsigned char lsb;
+ unsigned char msb;
+#elif defined(__BIG_ENDIAN)
+ unsigned char msb;
+ unsigned char lsb;
+#else
+#error "Please fix the endianness defines in <asm/byteorder.h>"
+#endif
+ } b;
+ unsigned short h;
+ } length;
+ unsigned short byte;
+ unsigned char checksum;
+ unsigned char data;
+ struct sk_buff *skb;
+};
+
+struct net_local {
+ struct enet_statistics enet_stats;
+ struct tq_struct immediate;
+ struct tq_struct deferred;
+ struct plip_local snd_data;
+ struct plip_local rcv_data;
+ unsigned long trigger;
+ unsigned long nibble;
+ enum plip_connection_state connection;
+ unsigned short timeout_count;
+ char is_deferred;
+ int (*orig_rebuild_header)(struct sk_buff *skb);
+};
+
+struct device ioext_dev_plip[] = {
+ {
+ "plip0",
+ 0, 0, 0, 0, /* memory */
+ 0, 0, /* base, irq */
+ 0, 0, 0, NULL, plip_init
+ },
+ {
+ "plip1",
+ 0, 0, 0, 0, /* memory */
+ 0, 0, /* base, irq */
+ 0, 0, 0, NULL, plip_init
+ },
+ {
+ "plip2",
+ 0, 0, 0, 0, /* memory */
+ 0, 0, /* base, irq */
+ 0, 0, 0, NULL, plip_init
+ }
+};
+
+/*
+ * Check for and handle an interrupt for this PLIP device.
+ *
+ */
+void ioext_plip_interrupt(struct device *dev, int *spurious_count)
+{
+ struct net_local *nl;
+ struct plip_local *rcv;
+ unsigned char c0;
+ unsigned long flags;
+
+ nl = (struct net_local *)dev->priv;
+ rcv = &nl->rcv_data;
+
+ c0 = z_readb(PAR_STATUS(dev));
+
+ if (dev->interrupt) {
+ return;
+ }
+
+ if ((c0 & 0xf8) != 0xc0) {
+ /* Not for us */
+ ++*spurious_count;
+ return;
+ }
+
+ *spurious_count = 0;
+ dev->interrupt = 1;
+
+ local_irq_save(flags);
+
+ switch (nl->connection) {
+ case PLIP_CN_CLOSING:
+ dev->tbusy = 0;
+ case PLIP_CN_NONE:
+ case PLIP_CN_SEND:
+ dev->last_rx = jiffies;
+ rcv->state = PLIP_PK_TRIGGER;
+ nl->connection = PLIP_CN_RECEIVE;
+ nl->timeout_count = 0;
+ queue_task(&nl->immediate, &tq_immediate);
+ mark_bh(IMMEDIATE_BH);
+ local_irq_restore(flags);
+#if 0
+ printk("%s: receive irq in SEND/NONE/CLOSING (%d) ok\n",
+ dev->name, nl->connection);
+#endif
+ break;
+
+ case PLIP_CN_RECEIVE:
+ local_irq_restore(flags);
+ printk("%s: receive interrupt when receiving packet\n",
+ dev->name);
+ break;
+
+ case PLIP_CN_ERROR:
+ local_irq_restore(flags);
+ printk("%s: receive interrupt in error state\n", dev->name);
+ break;
+ }
+}
+
+
+/* Bottom half handler for the delayed request.
+ This routine is kicked by do_timer().
+ Request `plip_bh' to be invoked. */
+static void
+plip_kick_bh(struct device *dev)
+{
+ struct net_local *nl = (struct net_local *)dev->priv;
+
+ if (nl->is_deferred) {
+ queue_task(&nl->immediate, &tq_immediate);
+ mark_bh(IMMEDIATE_BH);
+ }
+}
+
+/* Forward declarations of internal routines */
+static int plip_none(struct device *, struct net_local *,
+ struct plip_local *, struct plip_local *);
+static int plip_receive_packet(struct device *, struct net_local *,
+ struct plip_local *, struct plip_local *);
+static int plip_send_packet(struct device *, struct net_local *,
+ struct plip_local *, struct plip_local *);
+static int plip_connection_close(struct device *, struct net_local *,
+ struct plip_local *, struct plip_local *);
+static int plip_error(struct device *, struct net_local *,
+ struct plip_local *, struct plip_local *);
+static int plip_bh_timeout_error(struct device *dev, struct net_local *nl,
+ struct plip_local *snd,
+ struct plip_local *rcv,
+ int error);
+
+#define OK 0
+#define TIMEOUT 1
+#define ERROR 2
+
+typedef int (*plip_func)(struct device *dev, struct net_local *nl,
+ struct plip_local *snd, struct plip_local *rcv);
+
+static plip_func connection_state_table[] =
+{
+ plip_none,
+ plip_receive_packet,
+ plip_send_packet,
+ plip_connection_close,
+ plip_error
+};
+
+/*
+** enable_par_irq()
+**
+** Enable or disable parallel irq for 'dev' according to 'on'.
+**
+** It is NOT possible to disable only the parallel irq.
+** So we disable the board interrupt instead. This means that
+** during reception of a PLIP packet, no serial interrupts can
+** happen. Sorry.
+*/
+static void enable_par_irq(struct device *dev, int on)
+{
+ if (on) {
+ PLIP_DEV(dev)->board->CNTR |= GVP_IRQ_ENA;
+ }
+ else {
+ PLIP_DEV(dev)->board->CNTR &= ~GVP_IRQ_ENA;
+ }
+}
+
+/* Bottom half handler of PLIP. */
+static void
+plip_bh(struct device *dev)
+{
+ struct net_local *nl = (struct net_local *)dev->priv;
+ struct plip_local *snd = &nl->snd_data;
+ struct plip_local *rcv = &nl->rcv_data;
+ plip_func f;
+ int r;
+
+ nl->is_deferred = 0;
+ f = connection_state_table[nl->connection];
+ if ((r = (*f)(dev, nl, snd, rcv)) != OK
+ && (r = plip_bh_timeout_error(dev, nl, snd, rcv, r)) != OK) {
+ nl->is_deferred = 1;
+ queue_task(&nl->deferred, &tq_timer);
+ }
+}
+
+static int
+plip_bh_timeout_error(struct device *dev, struct net_local *nl,
+ struct plip_local *snd, struct plip_local *rcv,
+ int error)
+{
+ unsigned char c0;
+ unsigned long flags;
+
+ local_irq_save(flags);
+ if (nl->connection == PLIP_CN_SEND) {
+
+ if (error != ERROR) { /* Timeout */
+ nl->timeout_count++;
+ if ((snd->state == PLIP_PK_TRIGGER
+ && nl->timeout_count <= 10)
+ || nl->timeout_count <= 3) {
+ local_irq_restore(flags);
+ /* Try again later */
+ return TIMEOUT;
+ }
+ c0 = z_readb(PAR_STATUS(dev));
+ printk(KERN_INFO "%s: transmit timeout(%d,%02x)\n",
+ dev->name, snd->state, c0);
+ }
+ nl->enet_stats.tx_errors++;
+ nl->enet_stats.tx_aborted_errors++;
+ } else if (nl->connection == PLIP_CN_RECEIVE) {
+ if (rcv->state == PLIP_PK_TRIGGER) {
+ /* Transmission was interrupted. */
+ local_irq_restore(flags);
+ return OK;
+ }
+ if (error != ERROR) { /* Timeout */
+ if (++nl->timeout_count <= 3) {
+ local_irq_restore(flags);
+ /* Try again later */
+ return TIMEOUT;
+ }
+ c0 = z_readb(PAR_STATUS(dev));
+ printk(KERN_INFO "%s: receive timeout(%d,%02x)\n",
+ dev->name, rcv->state, c0);
+ }
+ nl->enet_stats.rx_dropped++;
+ }
+ rcv->state = PLIP_PK_DONE;
+ if (rcv->skb) {
+ kfree_skb(rcv->skb);
+ rcv->skb = NULL;
+ }
+ snd->state = PLIP_PK_DONE;
+ if (snd->skb) {
+ dev_kfree_skb(snd->skb);
+ snd->skb = NULL;
+ }
+ enable_par_irq(dev, 0);
+ dev->tbusy = 1;
+ nl->connection = PLIP_CN_ERROR;
+ z_writeb(0x00, PAR_DATA(dev));
+ local_irq_restore(flags);
+
+ return TIMEOUT;
+}
+
+static int
+plip_none(struct device *dev, struct net_local *nl,
+ struct plip_local *snd, struct plip_local *rcv)
+{
+ return OK;
+}
+
+/* PLIP_RECEIVE --- receive a byte(two nibbles)
+ Returns OK on success, TIMEOUT on timeout */
+inline static int
+plip_receive(struct device *dev, unsigned short nibble_timeout,
+ enum plip_nibble_state *ns_p, unsigned char *data_p)
+{
+ unsigned char c0, c1;
+ unsigned int cx;
+
+ switch (*ns_p) {
+ case PLIP_NB_BEGIN:
+ cx = nibble_timeout;
+ while (1) {
+ c0 = z_readb(PAR_STATUS(dev));
+ udelay(PLIP_DELAY_UNIT);
+ if ((c0 & 0x80) == 0) {
+ c1 = z_readb(PAR_STATUS(dev));
+ if (c0 == c1)
+ break;
+ }
+ if (--cx == 0)
+ return TIMEOUT;
+ }
+#if 0
+ printk("received first nybble: %02X -> %02X\n",
+ c0, (c0 >> 3) & 0x0F);
+#endif
+ *data_p = (c0 >> 3) & 0x0f;
+ z_writeb(0x10, PAR_DATA(dev)); /* send ACK */
+ *ns_p = PLIP_NB_1;
+
+ case PLIP_NB_1:
+ cx = nibble_timeout;
+ while (1) {
+ c0 = z_readb(PAR_STATUS(dev));
+ udelay(PLIP_DELAY_UNIT);
+ if (c0 & 0x80) {
+ c1 = z_readb(PAR_STATUS(dev));
+ if (c0 == c1)
+ break;
+ }
+ if (--cx == 0)
+ return TIMEOUT;
+ }
+#if 0
+ printk("received second nybble: %02X -> %02X\n",
+ c0, (c0 << 1) & 0xF0);
+#endif
+ *data_p |= (c0 << 1) & 0xf0;
+ z_writeb(0x00, PAR_DATA(dev)); /* send ACK */
+ *ns_p = PLIP_NB_BEGIN;
+ case PLIP_NB_2:
+ break;
+ }
+ return OK;
+}
+
+/* PLIP_RECEIVE_PACKET --- receive a packet */
+static int
+plip_receive_packet(struct device *dev, struct net_local *nl,
+ struct plip_local *snd, struct plip_local *rcv)
+{
+ unsigned short nibble_timeout = nl->nibble;
+ unsigned char *lbuf;
+ unsigned long flags;
+
+ switch (rcv->state) {
+ case PLIP_PK_TRIGGER:
+ enable_par_irq(dev, 0);
+ dev->interrupt = 0;
+ z_writeb(0x01, PAR_DATA(dev)); /* send ACK */
+ if (net_debug > 2)
+ printk(KERN_DEBUG "%s: receive start\n", dev->name);
+ rcv->state = PLIP_PK_LENGTH_LSB;
+ rcv->nibble = PLIP_NB_BEGIN;
+
+ case PLIP_PK_LENGTH_LSB:
+ if (snd->state != PLIP_PK_DONE) {
+ if (plip_receive(dev, nl->trigger,
+ &rcv->nibble, &rcv->length.b.lsb)) {
+ /* collision, here dev->tbusy == 1 */
+ rcv->state = PLIP_PK_DONE;
+ nl->is_deferred = 1;
+ nl->connection = PLIP_CN_SEND;
+ queue_task(&nl->deferred, &tq_timer);
+ enable_par_irq(dev, 1);
+ return OK;
+ }
+ } else {
+ if (plip_receive(dev, nibble_timeout,
+ &rcv->nibble, &rcv->length.b.lsb))
+ return TIMEOUT;
+ }
+ rcv->state = PLIP_PK_LENGTH_MSB;
+
+ case PLIP_PK_LENGTH_MSB:
+ if (plip_receive(dev, nibble_timeout,
+ &rcv->nibble, &rcv->length.b.msb))
+ return TIMEOUT;
+ if (rcv->length.h > dev->mtu + dev->hard_header_len
+ || rcv->length.h < 8) {
+ printk(KERN_INFO "%s: bogus packet size %d.\n",
+ dev->name, rcv->length.h);
+ return ERROR;
+ }
+ /* Malloc up new buffer. */
+ rcv->skb = dev_alloc_skb(rcv->length.h);
+ if (rcv->skb == NULL) {
+ printk(KERN_INFO "%s: Memory squeeze.\n", dev->name);
+ return ERROR;
+ }
+ skb_put(rcv->skb,rcv->length.h);
+ rcv->skb->dev = dev;
+ rcv->state = PLIP_PK_DATA;
+ rcv->byte = 0;
+ rcv->checksum = 0;
+
+ case PLIP_PK_DATA:
+ lbuf = rcv->skb->data;
+ do
+ if (plip_receive(dev, nibble_timeout,
+ &rcv->nibble, &lbuf[rcv->byte]))
+ return TIMEOUT;
+ while (++rcv->byte < rcv->length.h);
+ do
+ rcv->checksum += lbuf[--rcv->byte];
+ while (rcv->byte);
+ rcv->state = PLIP_PK_CHECKSUM;
+
+ case PLIP_PK_CHECKSUM:
+ if (plip_receive(dev, nibble_timeout,
+ &rcv->nibble, &rcv->data))
+ return TIMEOUT;
+ if (rcv->data != rcv->checksum) {
+ nl->enet_stats.rx_crc_errors++;
+ if (net_debug)
+ printk(KERN_INFO "%s: checksum error\n",
+ dev->name);
+ return ERROR;
+ }
+ rcv->state = PLIP_PK_DONE;
+
+ case PLIP_PK_DONE:
+ /* Inform the upper layer for the arrival of a packet. */
+ rcv->skb->protocol=eth_type_trans(rcv->skb, dev);
+ netif_rx(rcv->skb);
+ nl->enet_stats.rx_packets++;
+ rcv->skb = NULL;
+ if (net_debug > 2)
+ printk(KERN_DEBUG "%s: receive end\n", dev->name);
+
+ /* Close the connection. */
+ z_writeb (0x00, PAR_DATA(dev));
+
+ local_irq_save(flags);
+ if (snd->state != PLIP_PK_DONE) {
+ nl->connection = PLIP_CN_SEND;
+ local_irq_restore(flags);
+ queue_task(&nl->immediate, &tq_immediate);
+ mark_bh(IMMEDIATE_BH);
+ enable_par_irq(dev, 1);
+ return OK;
+ } else {
+ nl->connection = PLIP_CN_NONE;
+ local_irq_restore(flags);
+ enable_par_irq(dev, 1);
+ return OK;
+ }
+ }
+ return OK;
+}
+
+/* PLIP_SEND --- send a byte (two nibbles)
+ Returns OK on success, TIMEOUT when timeout */
+inline static int
+plip_send(struct device *dev, unsigned short nibble_timeout,
+ enum plip_nibble_state *ns_p, unsigned char data)
+{
+ unsigned char c0;
+ unsigned int cx;
+
+ switch (*ns_p) {
+ case PLIP_NB_BEGIN:
+ z_writeb((data & 0x0f), PAR_DATA(dev));
+ *ns_p = PLIP_NB_1;
+
+ case PLIP_NB_1:
+ z_writeb(0x10 | (data & 0x0f), PAR_DATA(dev));
+ cx = nibble_timeout;
+ while (1) {
+ c0 = z_readb(PAR_STATUS(dev));
+ if ((c0 & 0x80) == 0)
+ break;
+ if (--cx == 0)
+ return TIMEOUT;
+ udelay(PLIP_DELAY_UNIT);
+ }
+ z_writeb(0x10 | (data >> 4), PAR_DATA(dev));
+ *ns_p = PLIP_NB_2;
+
+ case PLIP_NB_2:
+ z_writeb((data >> 4), PAR_DATA(dev));
+ cx = nibble_timeout;
+ while (1) {
+ c0 = z_readb(PAR_STATUS(dev));
+ if (c0 & 0x80)
+ break;
+ if (--cx == 0)
+ return TIMEOUT;
+ udelay(PLIP_DELAY_UNIT);
+ }
+ *ns_p = PLIP_NB_BEGIN;
+ return OK;
+ }
+ return OK;
+}
+
+/* PLIP_SEND_PACKET --- send a packet */
+static int
+plip_send_packet(struct device *dev, struct net_local *nl,
+ struct plip_local *snd, struct plip_local *rcv)
+{
+ unsigned short nibble_timeout = nl->nibble;
+ unsigned char *lbuf;
+ unsigned char c0;
+ unsigned int cx;
+ unsigned long flags;
+
+ if (snd->skb == NULL || (lbuf = snd->skb->data) == NULL) {
+ printk(KERN_INFO "%s: send skb lost\n", dev->name);
+ snd->state = PLIP_PK_DONE;
+ snd->skb = NULL;
+ return ERROR;
+ }
+
+ if (snd->length.h == 0) {
+ return OK;
+ }
+
+ switch (snd->state) {
+ case PLIP_PK_TRIGGER:
+ if ((z_readb(PAR_STATUS(dev)) & 0xf8) != 0x80)
+ return TIMEOUT;
+
+ /* Trigger remote rx interrupt. */
+ z_writeb(0x08, PAR_DATA(dev));
+ cx = nl->trigger;
+ while (1) {
+ udelay(PLIP_DELAY_UNIT);
+ local_irq_save(flags);
+ if (nl->connection == PLIP_CN_RECEIVE) {
+ local_irq_restore(flags);
+ /* interrupted */
+ nl->enet_stats.collisions++;
+ if (net_debug > 1)
+ printk(KERN_INFO "%s: collision.\n",
+ dev->name);
+ return OK;
+ }
+ c0 = z_readb(PAR_STATUS(dev));
+ if (c0 & 0x08) {
+ enable_par_irq(dev, 0);
+ if (net_debug > 2)
+ printk(KERN_DEBUG "%s: send start\n",
+ dev->name);
+ snd->state = PLIP_PK_LENGTH_LSB;
+ snd->nibble = PLIP_NB_BEGIN;
+ nl->timeout_count = 0;
+ local_irq_restore(flags);
+ break;
+ }
+ local_irq_restore(flags);
+ if (--cx == 0) {
+ z_writeb(0x00, PAR_DATA(dev));
+ return TIMEOUT;
+ }
+ }
+
+ case PLIP_PK_LENGTH_LSB:
+ if (plip_send(dev, nibble_timeout,
+ &snd->nibble, snd->length.b.lsb))
+ return TIMEOUT;
+ snd->state = PLIP_PK_LENGTH_MSB;
+
+ case PLIP_PK_LENGTH_MSB:
+ if (plip_send(dev, nibble_timeout,
+ &snd->nibble, snd->length.b.msb))
+ return TIMEOUT;
+ snd->state = PLIP_PK_DATA;
+ snd->byte = 0;
+ snd->checksum = 0;
+
+ case PLIP_PK_DATA:
+ do
+ if (plip_send(dev, nibble_timeout,
+ &snd->nibble, lbuf[snd->byte]))
+ return TIMEOUT;
+ while (++snd->byte < snd->length.h);
+ do
+ snd->checksum += lbuf[--snd->byte];
+ while (snd->byte);
+ snd->state = PLIP_PK_CHECKSUM;
+
+ case PLIP_PK_CHECKSUM:
+ if (plip_send(dev, nibble_timeout,
+ &snd->nibble, snd->checksum))
+ return TIMEOUT;
+
+ dev_kfree_skb(snd->skb);
+ nl->enet_stats.tx_packets++;
+ snd->state = PLIP_PK_DONE;
+
+ case PLIP_PK_DONE:
+ /* Close the connection */
+ z_writeb (0x00, PAR_DATA(dev));
+ snd->skb = NULL;
+ if (net_debug > 2)
+ printk(KERN_DEBUG "%s: send end\n", dev->name);
+ nl->connection = PLIP_CN_CLOSING;
+ nl->is_deferred = 1;
+ queue_task(&nl->deferred, &tq_timer);
+ enable_par_irq(dev, 1);
+ return OK;
+ }
+ return OK;
+}
+
+static int
+plip_connection_close(struct device *dev, struct net_local *nl,
+ struct plip_local *snd, struct plip_local *rcv)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ if (nl->connection == PLIP_CN_CLOSING) {
+ nl->connection = PLIP_CN_NONE;
+ dev->tbusy = 0;
+ mark_bh(NET_BH);
+ }
+ local_irq_restore(flags);
+ return OK;
+}
+
+/* PLIP_ERROR --- wait till other end settled */
+static int
+plip_error(struct device *dev, struct net_local *nl,
+ struct plip_local *snd, struct plip_local *rcv)
+{
+ unsigned char status;
+
+ status = z_readb(PAR_STATUS(dev));
+ if ((status & 0xf8) == 0x80) {
+ if (net_debug > 2)
+ printk(KERN_DEBUG "%s: reset interface.\n", dev->name);
+ nl->connection = PLIP_CN_NONE;
+ dev->tbusy = 0;
+ dev->interrupt = 0;
+ enable_par_irq(dev, 1);
+ mark_bh(NET_BH);
+ } else {
+ nl->is_deferred = 1;
+ queue_task(&nl->deferred, &tq_timer);
+ }
+
+ return OK;
+}
+
+/* We don't need to send arp, for plip is point-to-point. */
+static int
+plip_rebuild_header(struct sk_buff *skb)
+{
+ struct device *dev = skb->dev;
+ struct net_local *nl = (struct net_local *)dev->priv;
+ struct ethhdr *eth = (struct ethhdr *)skb->data;
+ int i;
+
+ if ((dev->flags & IFF_NOARP)==0)
+ return nl->orig_rebuild_header(skb);
+
+ if (eth->h_proto != __constant_htons(ETH_P_IP)
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+ && eth->h_proto != __constant_htons(ETH_P_IPV6)
+#endif
+ ) {
+ printk(KERN_ERR "plip_rebuild_header: Don't know how to resolve type %d addresses?\n", (int)eth->h_proto);
+ memcpy(eth->h_source, dev->dev_addr, dev->addr_len);
+ return 0;
+ }
+
+ for (i=0; i < ETH_ALEN - sizeof(u32); i++)
+ eth->h_dest[i] = 0xfc;
+#if 0
+ *(u32 *)(eth->h_dest+i) = dst;
+#else
+ /* Do not want to include net/route.h here.
+ * In any case, it is TOP of silliness to emulate
+ * hardware addresses on PtP link. --ANK
+ */
+ *(u32 *)(eth->h_dest+i) = 0;
+#endif
+ return 0;
+}
+
+static int
+plip_tx_packet(struct sk_buff *skb, struct device *dev)
+{
+ struct net_local *nl = (struct net_local *)dev->priv;
+ struct plip_local *snd = &nl->snd_data;
+ unsigned long flags;
+
+ if (dev->tbusy)
+ return 1;
+
+ if (test_and_set_bit(0, (void*)&dev->tbusy) != 0) {
+ printk(KERN_ERR "%s: Transmitter access conflict.\n",
+ dev->name);
+ return 1;
+ }
+
+ if (skb->len > dev->mtu + dev->hard_header_len) {
+ printk(KERN_ERR "%s: packet too big, %d.\n",
+ dev->name, (int)skb->len);
+ dev->tbusy = 0;
+ return 0;
+ }
+
+ if (net_debug > 2)
+ printk(KERN_DEBUG "%s: send request\n", dev->name);
+
+ local_irq_save(flags);
+ dev->trans_start = jiffies;
+ snd->skb = skb;
+ snd->length.h = skb->len;
+ snd->state = PLIP_PK_TRIGGER;
+ if (nl->connection == PLIP_CN_NONE) {
+ nl->connection = PLIP_CN_SEND;
+ nl->timeout_count = 0;
+ }
+ queue_task(&nl->immediate, &tq_immediate);
+ mark_bh(IMMEDIATE_BH);
+ local_irq_restore(flags);
+
+ return 0;
+}
+
+/* Open/initialize the board. This is called (in the current kernel)
+ sometime after booting when the 'ifconfig' program is run.
+
+ */
+static int
+plip_open(struct device *dev)
+{
+ struct net_local *nl = (struct net_local *)dev->priv;
+ struct in_device *in_dev;
+
+#if defined(CONFIG_GVPIOEXT_LP) || defined(CONFIG_GVPIOEXT_LP_MODULE)
+ /* Yes, there is a race condition here. Fix it later */
+ if (PLIP_DEV(dev)->par_use & IOEXT_PAR_LP) {
+ /* Can't open if lp is in use */
+#if DEBUG
+ printk("par is in use by lp\n");
+#endif
+ return(-EBUSY);
+ }
+#endif
+ PLIP_DEV(dev)->par_use |= IOEXT_PAR_PLIP;
+
+#if DEBUG
+ printk("plip_open(): sending 00 to data port\n");
+#endif
+
+ /* Clear the data port. */
+ z_writeb (0x00, PAR_DATA(dev));
+
+#if DEBUG
+ printk("plip_open(): sent\n");
+#endif
+
+ /* Initialize the state machine. */
+ nl->rcv_data.state = nl->snd_data.state = PLIP_PK_DONE;
+ nl->rcv_data.skb = nl->snd_data.skb = NULL;
+ nl->connection = PLIP_CN_NONE;
+ nl->is_deferred = 0;
+
+ /* Fill in the MAC-level header.
+ (ab)Use "dev->broadcast" to store point-to-point MAC address.
+
+ PLIP doesn't have a real mac address, but we need to create one
+ to be DOS compatible. */
+ memset(dev->dev_addr, 0xfc, ETH_ALEN);
+ memset(dev->broadcast, 0xfc, ETH_ALEN);
+
+ if ((in_dev=dev->ip_ptr) != NULL) {
+ /*
+ * Any address will do - we take the first
+ */
+ struct in_ifaddr *ifa=in_dev->ifa_list;
+ if (ifa != NULL) {
+ memcpy(dev->dev_addr+2, &ifa->ifa_local, 4);
+ memcpy(dev->broadcast+2, &ifa->ifa_address, 4);
+ }
+ }
+
+ dev->interrupt = 0;
+ dev->start = 1;
+ dev->tbusy = 0;
+
+ MOD_INC_USE_COUNT;
+
+ /* Enable rx interrupt. */
+ enable_par_irq(dev, 1);
+
+ return 0;
+}
+
+/* The inverse routine to plip_open (). */
+static int
+plip_close(struct device *dev)
+{
+ struct net_local *nl = (struct net_local *)dev->priv;
+ struct plip_local *snd = &nl->snd_data;
+ struct plip_local *rcv = &nl->rcv_data;
+ unsigned long flags;
+
+ dev->tbusy = 1;
+ dev->start = 0;
+ local_irq_save(flags);
+ nl->is_deferred = 0;
+ nl->connection = PLIP_CN_NONE;
+ local_irq_restore(flags);
+ z_writeb(0x00, PAR_DATA(dev));
+
+ snd->state = PLIP_PK_DONE;
+ if (snd->skb) {
+ dev_kfree_skb(snd->skb);
+ snd->skb = NULL;
+ }
+ rcv->state = PLIP_PK_DONE;
+ if (rcv->skb) {
+ kfree_skb(rcv->skb);
+ rcv->skb = NULL;
+ }
+
+ PLIP_DEV(dev)->par_use &= ~IOEXT_PAR_PLIP;
+
+ MOD_DEC_USE_COUNT;
+ return 0;
+}
+
+static struct enet_statistics *
+plip_get_stats(struct device *dev)
+{
+ struct net_local *nl = (struct net_local *)dev->priv;
+ struct enet_statistics *r = &nl->enet_stats;
+
+ return r;
+}
+
+static int
+plip_config(struct device *dev, struct ifmap *map)
+{
+ if (dev->flags & IFF_UP)
+ return -EBUSY;
+
+ printk(KERN_INFO "%s: This interface is autodetected (ignored).\n",
+ dev->name);
+
+ return 0;
+}
+
+static int
+plip_ioctl(struct device *dev, struct ifreq *rq, int cmd)
+{
+ struct net_local *nl = (struct net_local *) dev->priv;
+ struct plipconf *pc = (struct plipconf *) &rq->ifr_data;
+
+ switch(pc->pcmd) {
+ case PLIP_GET_TIMEOUT:
+ pc->trigger = nl->trigger;
+ pc->nibble = nl->nibble;
+ break;
+ case PLIP_SET_TIMEOUT:
+ nl->trigger = pc->trigger;
+ nl->nibble = pc->nibble;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+ return 0;
+}
+
+/*
+ * Detect and initialize all IO-Extenders in this system.
+ *
+ * Both PLIP and serial devices are configured.
+ */
+int plip_init(struct device *dev)
+{
+ IOEXT_struct *board;
+ struct net_local *nl;
+
+ if (ioext_num == 0) {
+ printk(KERN_INFO "%s\n", version);
+ }
+
+ board = PLIP_DEV(dev)->board;
+ dev->base_addr = (unsigned long)&board->par.DATA;
+
+ /* Cheat and use irq to index into our table */
+ dev->irq = ioext_num;
+
+ printk(KERN_INFO "%s: IO-Extender parallel port at 0x%08lX\n", dev->name, dev->base_addr);
+
+ /* Fill in the generic fields of the device structure. */
+ ether_setup(dev);
+
+ /* Then, override parts of it */
+ dev->hard_start_xmit = plip_tx_packet;
+ dev->open = plip_open;
+ dev->stop = plip_close;
+ dev->get_stats = plip_get_stats;
+ dev->set_config = plip_config;
+ dev->do_ioctl = plip_ioctl;
+ dev->tx_queue_len = 10;
+ dev->flags = IFF_POINTOPOINT|IFF_NOARP;
+
+ /* Set the private structure */
+ dev->priv = kmalloc(sizeof (struct net_local), GFP_KERNEL);
+ if (dev->priv == NULL) {
+ printk(KERN_ERR "%s: out of memory\n", dev->name);
+ return -ENOMEM;
+ }
+ memset(dev->priv, 0, sizeof(struct net_local));
+ nl = (struct net_local *) dev->priv;
+
+ nl->orig_rebuild_header = dev->rebuild_header;
+ dev->rebuild_header = plip_rebuild_header;
+
+ /* Initialize constants */
+ nl->trigger = PLIP_TRIGGER_WAIT;
+ nl->nibble = PLIP_NIBBLE_WAIT;
+
+ /* Initialize task queue structures */
+ nl->immediate.next = NULL;
+ nl->immediate.sync = 0;
+ nl->immediate.routine = (void *)(void *)plip_bh;
+ nl->immediate.data = dev;
+
+ nl->deferred.next = NULL;
+ nl->deferred.sync = 0;
+ nl->deferred.routine = (void *)(void *)plip_kick_bh;
+ nl->deferred.data = dev;
+
+ /* Don't enable interrupts yet */
+
+ return 0;
+}
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/char/serial167.c linux-m68k/drivers/char/serial167.c
--- linux-i386/drivers/char/serial167.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/drivers/char/serial167.c 2005-10-12 16:32:10.000000000 +0200
@@ -1450,7 +1450,6 @@
volatile unsigned char *base_addr = (u_char *)BASE_ADDR;
unsigned long flags;
unsigned char status;
- unsigned int result;
channel = info->line;
@@ -1474,7 +1473,6 @@
int channel;
volatile unsigned char *base_addr = (u_char *)BASE_ADDR;
unsigned long flags;
- unsigned int arg;
channel = info->line;
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/ide/ide-iops.c linux-m68k/drivers/ide/ide-iops.c
--- linux-i386/drivers/ide/ide-iops.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/drivers/ide/ide-iops.c 2005-10-29 10:42:13.000000000 +0200
@@ -341,6 +341,23 @@
int i;
u16 *stringcast;
+#ifdef __mc68000__
+ if (!MACH_IS_AMIGA && !MACH_IS_MAC && !MACH_IS_Q40 && !MACH_IS_ATARI)
+ return;
+
+#ifdef M68K_IDE_SWAPW
+ if (M68K_IDE_SWAPW) { /* fix bus byteorder first */
+ u_char *p = (u_char *)id;
+ u_char t;
+ for (i = 0; i < 512; i += 2) {
+ t = p[i];
+ p[i] = p[i+1];
+ p[i+1] = t;
+ }
+ }
+#endif
+#endif /* __mc68000__ */
+
id->config = __le16_to_cpu(id->config);
id->cyls = __le16_to_cpu(id->cyls);
id->reserved2 = __le16_to_cpu(id->reserved2);
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/ide/legacy/gayle.c linux-m68k/drivers/ide/legacy/gayle.c
--- linux-i386/drivers/ide/legacy/gayle.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/drivers/ide/legacy/gayle.c 2005-09-02 16:32:11.000000000 +0200
@@ -161,6 +161,7 @@
base = (unsigned long)ZTWO_VADDR(phys_base);
ctrlport = GAYLE_HAS_CONTROL_REG ? (base + GAYLE_CONTROL) : 0;
+ memset(&hw, 0, sizeof(hw));
ide_setup_ports(&hw, base, gayle_offsets,
ctrlport, irqport, ack_intr,
// &gayle_iops,
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/input/keyboard/Kconfig linux-m68k/drivers/input/keyboard/Kconfig
--- linux-i386/drivers/input/keyboard/Kconfig 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/drivers/input/keyboard/Kconfig 2005-10-29 10:42:17.000000000 +0200
@@ -165,7 +165,7 @@
config KEYBOARD_HIL_OLD
tristate "HP HIL keyboard support (simple driver)"
- depends on GSC
+ depends on GSC || HP300
default y
help
The "Human Interface Loop" is a older, 8-channel USB-like
@@ -182,7 +182,7 @@
config KEYBOARD_HIL
tristate "HP HIL keyboard support"
- depends on GSC
+ depends on GSC || HP300
default y
select HP_SDC
select HIL_MLC
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/input/misc/Kconfig linux-m68k/drivers/input/misc/Kconfig
--- linux-i386/drivers/input/misc/Kconfig 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/drivers/input/misc/Kconfig 2005-08-30 16:33:05.000000000 +0200
@@ -51,7 +51,7 @@
config HP_SDC_RTC
tristate "HP SDC Real Time Clock"
- depends on GSC
+ depends on GSC || HP300
select HP_SDC
help
Say Y here if you want to support the built-in real time clock
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/input/mouse/Kconfig linux-m68k/drivers/input/mouse/Kconfig
--- linux-i386/drivers/input/mouse/Kconfig 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/drivers/input/mouse/Kconfig 2005-08-30 16:33:05.000000000 +0200
@@ -129,7 +129,7 @@
config MOUSE_HIL
tristate "HIL pointers (mice etc)."
- depends on GSC
+ depends on GSC || HP300
select HP_SDC
select HIL_MLC
help
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/input/serio/Kconfig linux-m68k/drivers/input/serio/Kconfig
--- linux-i386/drivers/input/serio/Kconfig 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/drivers/input/serio/Kconfig 2005-08-30 16:33:05.000000000 +0200
@@ -112,7 +112,7 @@
config HP_SDC
tristate "HP System Device Controller i8042 Support"
- depends on GSC && SERIO
+ depends on (GSC || HP300) && SERIO
default y
---help---
This option enables supports for the the "System Device
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/macintosh/adb.c linux-m68k/drivers/macintosh/adb.c
--- linux-i386/drivers/macintosh/adb.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/drivers/macintosh/adb.c 2005-08-30 16:33:07.000000000 +0200
@@ -476,13 +476,15 @@
use_sreq = 1;
} else
use_sreq = 0;
- req->nbytes = nbytes+1;
+ i = (flags & ADBREQ_RAW) ? 0 : 1;
+ req->nbytes = nbytes+i;
req->done = done;
req->reply_expected = flags & ADBREQ_REPLY;
req->data[0] = ADB_PACKET;
va_start(list, nbytes);
- for (i = 0; i < nbytes; ++i)
- req->data[i+1] = va_arg(list, int);
+ while (i < req->nbytes) {
+ req->data[i++] = va_arg(list, int);
+ }
va_end(list);
if (flags & ADBREQ_NOSEND)
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/net/7990.c linux-m68k/drivers/net/7990.c
--- linux-i386/drivers/net/7990.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/drivers/net/7990.c 2005-10-12 16:32:42.000000000 +0200
@@ -500,7 +500,7 @@
int res;
/* Install the Interrupt handler. Or we could shunt this out to specific drivers? */
- if (request_irq(lp->irq, lance_interrupt, 0, lp->name, dev))
+ if (request_irq(lp->irq, lance_interrupt, SA_SHIRQ, lp->name, dev))
return -EAGAIN;
res = lance_reset(dev);
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/net/Kconfig linux-m68k/drivers/net/Kconfig
--- linux-i386/drivers/net/Kconfig 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/drivers/net/Kconfig 2005-10-29 10:42:30.000000000 +0200
@@ -296,7 +296,7 @@
config MAC89x0
tristate "Macintosh CS89x0 based ethernet cards"
- depends on NET_ETHERNET && MAC && BROKEN
+ depends on NET_ETHERNET && MAC
---help---
Support for CS89x0 chipset based Ethernet cards. If you have a
Nubus or LC-PDS network (Ethernet) card of this type, say Y and
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/net/hplance.c linux-m68k/drivers/net/hplance.c
--- linux-i386/drivers/net/hplance.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/drivers/net/hplance.c 2005-10-12 16:32:43.000000000 +0200
@@ -77,6 +77,7 @@
{
struct net_device *dev;
int err = -ENOMEM;
+ int i;
dev = alloc_etherdev(sizeof(struct hplance_private));
if (!dev)
@@ -93,6 +94,15 @@
goto out_release_mem_region;
dio_set_drvdata(d, dev);
+
+ printk(KERN_INFO "%s: %s; select code %d, addr %2.2x", dev->name, d->name, d->scode, dev->dev_addr[0]);
+
+ for (i=1; i<6; i++) {
+ printk(":%2.2x", dev->dev_addr[i]);
+ }
+
+ printk(", irq %d\n", d->ipl);
+
return 0;
out_release_mem_region:
@@ -118,9 +128,7 @@
unsigned long va = (d->resource.start + DIO_VIRADDRBASE);
struct hplance_private *lp;
int i;
-
- printk(KERN_INFO "%s: %s; select code %d, addr", dev->name, d->name, d->scode);
-
+
/* reset the board */
out_8(va+DIO_IDOFF, 0xff);
udelay(100); /* ariba! ariba! udelay! udelay! */
@@ -143,7 +151,6 @@
*/
dev->dev_addr[i] = ((in_8(va + HPLANCE_NVRAMOFF + i*4 + 1) & 0xF) << 4)
| (in_8(va + HPLANCE_NVRAMOFF + i*4 + 3) & 0xF);
- printk("%c%2.2x", i == 0 ? ' ' : ':', dev->dev_addr[i]);
}
lp = netdev_priv(dev);
@@ -160,7 +167,6 @@
lp->lance.lance_log_tx_bufs = LANCE_LOG_TX_BUFFERS;
lp->lance.rx_ring_mod_mask = RX_RING_MOD_MASK;
lp->lance.tx_ring_mod_mask = TX_RING_MOD_MASK;
- printk(", irq %d\n", lp->lance.irq);
}
/* This is disgusting. We have to check the DIO status register for ack every
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/net/mac89x0.c linux-m68k/drivers/net/mac89x0.c
--- linux-i386/drivers/net/mac89x0.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/drivers/net/mac89x0.c 2004-12-30 16:38:24.000000000 +0100
@@ -128,7 +128,7 @@
extern void reset_chip(struct net_device *dev);
#endif
static int net_open(struct net_device *dev);
-static int net_send_packet(struct sk_buff *skb, struct net_device *dev);
+static int net_send_packet(struct sk_buff *skb, struct net_device *dev);
static irqreturn_t net_interrupt(int irq, void *dev_id, struct pt_regs *regs);
static void set_multicast_list(struct net_device *dev);
static void net_rx(struct net_device *dev);
@@ -374,56 +374,37 @@
static int
net_send_packet(struct sk_buff *skb, struct net_device *dev)
{
- if (dev->tbusy) {
- /* If we get here, some higher level has decided we are broken.
- There should really be a "kick me" function call instead. */
- int tickssofar = jiffies - dev->trans_start;
- if (tickssofar < 5)
- return 1;
- if (net_debug > 0) printk("%s: transmit timed out, %s?\n", dev->name,
- tx_done(dev) ? "IRQ conflict" : "network cable problem");
- /* Try to restart the adaptor. */
- dev->tbusy=0;
- dev->trans_start = jiffies;
- }
-
- /* Block a timer-based transmit from overlapping. This could better be
- done with atomic_swap(1, dev->tbusy), but set_bit() works as well. */
- if (test_and_set_bit(0, (void*)&dev->tbusy) != 0)
- printk("%s: Transmitter access conflict.\n", dev->name);
- else {
- struct net_local *lp = netdev_priv(dev);
- unsigned long flags;
-
- if (net_debug > 3)
- printk("%s: sent %d byte packet of type %x\n",
- dev->name, skb->len,
- (skb->data[ETH_ALEN+ETH_ALEN] << 8)
- | skb->data[ETH_ALEN+ETH_ALEN+1]);
-
- /* keep the upload from being interrupted, since we
- ask the chip to start transmitting before the
- whole packet has been completely uploaded. */
- local_irq_save(flags);
-
- /* initiate a transmit sequence */
- writereg(dev, PP_TxCMD, lp->send_cmd);
- writereg(dev, PP_TxLength, skb->len);
-
- /* Test to see if the chip has allocated memory for the packet */
- if ((readreg(dev, PP_BusST) & READY_FOR_TX_NOW) == 0) {
- /* Gasp! It hasn't. But that shouldn't happen since
- we're waiting for TxOk, so return 1 and requeue this packet. */
- local_irq_restore(flags);
- return 1;
- }
+ struct net_local *lp = netdev_priv(dev);
+ unsigned long flags;
- /* Write the contents of the packet */
- memcpy_toio(dev->mem_start + PP_TxFrame, skb->data, skb->len+1);
+ if (net_debug > 3)
+ printk("%s: sent %d byte packet of type %x\n",
+ dev->name, skb->len,
+ (skb->data[ETH_ALEN+ETH_ALEN] << 8)
+ | skb->data[ETH_ALEN+ETH_ALEN+1]);
+
+ /* keep the upload from being interrupted, since we
+ ask the chip to start transmitting before the
+ whole packet has been completely uploaded. */
+ local_irq_save(flags);
+ /* initiate a transmit sequence */
+ writereg(dev, PP_TxCMD, lp->send_cmd);
+ writereg(dev, PP_TxLength, skb->len);
+
+ /* Test to see if the chip has allocated memory for the packet */
+ if ((readreg(dev, PP_BusST) & READY_FOR_TX_NOW) == 0) {
+ /* Gasp! It hasn't. But that shouldn't happen since
+ we're waiting for TxOk, so return 1 and requeue this packet. */
local_irq_restore(flags);
- dev->trans_start = jiffies;
+ return 1;
}
+
+ /* Write the contents of the packet */
+ memcpy((void *)(dev->mem_start + PP_TxFrame), skb->data, skb->len+1);
+
+ local_irq_restore(flags);
+ dev->trans_start = jiffies;
dev_kfree_skb (skb);
return 0;
@@ -441,9 +422,6 @@
printk ("net_interrupt(): irq %d for unknown device.\n", irq);
return IRQ_NONE;
}
- if (dev->interrupt)
- printk("%s: Re-entering the interrupt handler.\n", dev->name);
- dev->interrupt = 1;
ioaddr = dev->base_addr;
lp = netdev_priv(dev);
@@ -464,8 +442,7 @@
break;
case ISQ_TRANSMITTER_EVENT:
lp->stats.tx_packets++;
- dev->tbusy = 0;
- mark_bh(NET_BH); /* Inform upper layers. */
+ netif_wake_queue(dev);
if ((status & TX_OK) == 0) lp->stats.tx_errors++;
if (status & TX_LOST_CRS) lp->stats.tx_carrier_errors++;
if (status & TX_SQE_ERROR) lp->stats.tx_heartbeat_errors++;
@@ -479,8 +456,7 @@
That shouldn't happen since we only ever
load one packet. Shrug. Do the right
thing anyway. */
- dev->tbusy = 0;
- mark_bh(NET_BH); /* Inform upper layers. */
+ netif_wake_queue(dev);
}
if (status & TX_UNDERRUN) {
if (net_debug > 0) printk("%s: transmit underrun\n", dev->name);
@@ -497,7 +473,6 @@
break;
}
}
- dev->interrupt = 0;
return IRQ_HANDLED;
}
@@ -532,7 +507,7 @@
skb_put(skb, length);
skb->dev = dev;
- memcpy_fromio(skb->data, dev->mem_start + PP_RxFrame, length);
+ memcpy(skb->data, (void *)(dev->mem_start + PP_RxFrame), length);
if (net_debug > 3)printk("%s: received %d byte packet of type %x\n",
dev->name, length,
@@ -611,8 +586,6 @@
static int set_mac_address(struct net_device *dev, void *addr)
{
int i;
- if (dev->start)
- return -EBUSY;
printk("%s: Setting MAC address to ", dev->name);
for (i = 0; i < 6; i++)
printk(" %2.2x", dev->dev_addr[i] = ((unsigned char *)addr)[i]);
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/scsi/53c7xx.c linux-m68k/drivers/scsi/53c7xx.c
--- linux-i386/drivers/scsi/53c7xx.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/drivers/scsi/53c7xx.c 2005-10-29 10:42:44.000000000 +0200
@@ -307,7 +307,7 @@
static int check_address (unsigned long addr, int size);
static void dump_events (struct Scsi_Host *host, int count);
-static Scsi_Cmnd * return_outstanding_commands (struct Scsi_Host *host,
+static struct scsi_cmnd * return_outstanding_commands (struct Scsi_Host *host,
int free, int issue);
static void hard_reset (struct Scsi_Host *host);
static void ncr_scsi_reset (struct Scsi_Host *host);
@@ -316,7 +316,7 @@
int scntl3, int now_connected);
static int datapath_residual (struct Scsi_Host *host);
static const char * sbcl_to_phase (int sbcl);
-static void print_progress (Scsi_Cmnd *cmd);
+static void print_progress (struct scsi_cmnd *cmd);
static void print_queues (struct Scsi_Host *host);
static void process_issue_queue (unsigned long flags);
static int shutdown (struct Scsi_Host *host);
@@ -341,9 +341,8 @@
static void NCR53c7x0_soft_reset (struct Scsi_Host *host);
/* Size of event list (per host adapter) */
-static int track_events = 0;
-static struct Scsi_Host *first_host = NULL; /* Head of list of NCR boards */
-static Scsi_Host_Template *the_template = NULL;
+static int track_events;
+static Scsi_Host_Template *the_template;
/* NCR53c710 script handling code */
@@ -666,8 +665,11 @@
static struct Scsi_Host *
find_host (int host) {
- struct Scsi_Host *h;
- for (h = first_host; h && h->host_no != host; h = h->next);
+ struct Scsi_Host *h, *s;
+ list_for_each_entry_safe(h, s, &the_template->legacy_hosts, sht_legacy_list) {
+ if (h->host_no == host)
+ break;
+ }
if (!h) {
printk (KERN_ALERT "scsi%d not found\n", host);
return NULL;
@@ -715,14 +717,14 @@
}
hostdata = (struct NCR53c7x0_hostdata *)h->hostdata[0];
- local_irq_save(flags);
+ spin_lock_irqsave(host->host_lock, flags);
if (hostdata->initiate_sdtr & (1 << target)) {
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
printk (KERN_ALERT "target %d already doing SDTR\n", target);
return -1;
}
hostdata->initiate_sdtr |= (1 << target);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
return 0;
}
#endif
@@ -1033,9 +1035,6 @@
ccf = clock_to_ccf_710 (expected_clock);
- for (i = 0; i < 16; ++i)
- hostdata->cmd_allocated[i] = 0;
-
if (hostdata->init_save_regs)
hostdata->init_save_regs (host);
if (hostdata->init_fixup)
@@ -1043,7 +1042,6 @@
if (!the_template) {
the_template = host->hostt;
- first_host = host;
}
/*
@@ -1306,7 +1304,6 @@
hostdata->free->size = max_cmd_size;
hostdata->free->free = NULL;
hostdata->free->next = NULL;
- hostdata->extra_allocate = 0;
/* Allocate command start code space */
hostdata->schedule = (chip == 700 || chip == 70066) ?
@@ -1589,10 +1586,10 @@
/* The NCR chip _must_ be idle to run the test scripts */
- local_irq_save(flags);
+ spin_lock_irqsave(host->host_lock, flags);
if (!hostdata->idle) {
printk ("scsi%d : chip not idle, aborting tests\n", host->host_no);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
return -1;
}
@@ -1616,7 +1613,7 @@
NCR53c7x0_write8 (DCNTL_REG, hostdata->saved_dcntl | DCNTL_SSM |
DCNTL_STD);
printk (" started\n");
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
/*
* This is currently a .5 second timeout, since (in theory) no slow
@@ -1655,7 +1652,7 @@
hostdata->script, start);
printk ("scsi%d : DSPS = 0x%x\n", host->host_no,
NCR53c7x0_read32(DSPS_REG));
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
return -1;
}
hostdata->test_running = 0;
@@ -1693,7 +1690,7 @@
local_irq_disable();
if (!hostdata->idle) {
printk ("scsi%d : chip not idle, aborting tests\n", host->host_no);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
return -1;
}
@@ -1709,7 +1706,7 @@
if (hostdata->options & OPTION_DEBUG_TRACE)
NCR53c7x0_write8 (DCNTL_REG, hostdata->saved_dcntl |
DCNTL_SSM | DCNTL_STD);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
timeout = jiffies + 5 * HZ; /* arbitrary */
while ((hostdata->test_completed == -1) && time_before(jiffies, timeout))
@@ -1731,19 +1728,19 @@
host->host_no, i);
if (!hostdata->idle) {
printk("scsi%d : not idle\n", host->host_no);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
return -1;
}
} else if (hostdata->test_completed == -1) {
printk ("scsi%d : test 2 timed out\n", host->host_no);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
return -1;
}
hostdata->test_running = 0;
}
}
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
return 0;
}
@@ -1759,7 +1756,7 @@
static void
NCR53c7xx_dsa_fixup (struct NCR53c7x0_cmd *cmd) {
- Scsi_Cmnd *c = cmd->cmd;
+ struct scsi_cmnd *c = cmd->cmd;
struct Scsi_Host *host = c->device->host;
struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
host->hostdata[0];
@@ -1845,7 +1842,7 @@
*
* Purpose : mark SCSI command as finished, OR'ing the host portion
* of the result word into the result field of the corresponding
- * Scsi_Cmnd structure, and removing it from the internal queues.
+ * scsi_cmnd structure, and removing it from the internal queues.
*
* Inputs : cmd - command, result - entire result field
*
@@ -1856,7 +1853,7 @@
static void
abnormal_finished (struct NCR53c7x0_cmd *cmd, int result) {
- Scsi_Cmnd *c = cmd->cmd;
+ struct scsi_cmnd *c = cmd->cmd;
struct Scsi_Host *host = c->device->host;
struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
host->hostdata[0];
@@ -1870,7 +1867,7 @@
printk ("scsi%d: abnormal finished\n", host->host_no);
#endif
- local_irq_save(flags);
+ spin_lock_irqsave(host->host_lock, flags);
found = 0;
/*
* Traverse the NCR issue array until we find a match or run out
@@ -1953,7 +1950,7 @@
c->result = result;
c->scsi_done(c);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
run_process_issue_queue();
}
@@ -1975,7 +1972,7 @@
NCR53c7x0_local_declare();
struct NCR53c7x0_break *bp;
#if 0
- Scsi_Cmnd *c = cmd ? cmd->cmd : NULL;
+ struct scsi_cmnd *c = cmd ? cmd->cmd : NULL;
#endif
u32 *dsp;
struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
@@ -1988,7 +1985,7 @@
* dump the appropriate debugging information to standard
* output.
*/
- local_irq_save(flags);
+ spin_lock_irqsave(host->host_lock, flags);
dsp = (u32 *) bus_to_virt(NCR53c7x0_read32(DSP_REG));
for (bp = hostdata->breakpoints; bp && bp->address != dsp;
bp = bp->next);
@@ -2010,7 +2007,7 @@
* instruction in bytes.
*/
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
}
/*
* Function : static void print_synchronous (const char *prefix,
@@ -2252,7 +2249,7 @@
NCR53c7x0_cmd *cmd) {
NCR53c7x0_local_declare();
int print;
- Scsi_Cmnd *c = cmd ? cmd->cmd : NULL;
+ struct scsi_cmnd *c = cmd ? cmd->cmd : NULL;
struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
host->hostdata[0];
u32 dsps,*dsp; /* Argument of the INT instruction */
@@ -2916,7 +2913,7 @@
host->hostdata[0];
NCR53c7x0_local_setup(host);
- local_irq_save(flags);
+ spin_lock_irqsave(host->host_lock, flags);
/* Disable scsi chip and s/w level 7 ints */
@@ -3017,12 +3014,12 @@
}
#endif
/* Anything needed for your hardware? */
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
}
/*
- * Function static struct NCR53c7x0_cmd *allocate_cmd (Scsi_Cmnd *cmd)
+ * Function static struct NCR53c7x0_cmd *allocate_cmd (struct scsi_cmnd *cmd)
*
* Purpose : Return the first free NCR53c7x0_cmd structure (which are
* reused in a LIFO manner to minimize cache thrashing).
@@ -3049,86 +3046,25 @@
}
static struct NCR53c7x0_cmd *
-allocate_cmd (Scsi_Cmnd *cmd) {
+allocate_cmd (struct scsi_cmnd *cmd) {
struct Scsi_Host *host = cmd->device->host;
struct NCR53c7x0_hostdata *hostdata =
(struct NCR53c7x0_hostdata *) host->hostdata[0];
- u32 real; /* Real address */
- int size; /* Size of *tmp */
struct NCR53c7x0_cmd *tmp;
unsigned long flags;
if (hostdata->options & OPTION_DEBUG_ALLOCATION)
printk ("scsi%d : num_cmds = %d, can_queue = %d\n"
- " target = %d, lun = %d, %s\n",
+ " target = %d, lun = %d\n",
host->host_no, hostdata->num_cmds, host->can_queue,
- cmd->device->id, cmd->device->lun, (hostdata->cmd_allocated[cmd->device->id] &
- (1 << cmd->device->lun)) ? "already allocated" : "not allocated");
-
-/*
- * If we have not yet reserved commands for this I_T_L nexus, and
- * the device exists (as indicated by permanent Scsi_Cmnd structures
- * being allocated under 1.3.x, or being outside of scan_scsis in
- * 1.2.x), do so now.
- */
- if (!(hostdata->cmd_allocated[cmd->device->id] & (1 << cmd->device->lun)) &&
- cmd->device && cmd->device->has_cmdblocks) {
- if ((hostdata->extra_allocate + hostdata->num_cmds) < host->can_queue)
- hostdata->extra_allocate += host->cmd_per_lun;
- hostdata->cmd_allocated[cmd->device->id] |= (1 << cmd->device->lun);
- }
-
- for (; hostdata->extra_allocate > 0 ; --hostdata->extra_allocate,
- ++hostdata->num_cmds) {
- /* historically, kmalloc has returned unaligned addresses; pad so we
- have enough room to ROUNDUP */
- size = hostdata->max_cmd_size + sizeof (void *);
-#ifdef FORCE_DSA_ALIGNMENT
- /*
- * 53c710 rev.0 doesn't have an add-with-carry instruction.
- * Ensure we allocate enough memory to force alignment.
- */
- size += 256;
-#endif
-/* FIXME: for ISA bus '7xx chips, we need to or GFP_DMA in here */
+ cmd->device->id, cmd->device->lun);
- if (size > 4096) {
- printk (KERN_ERR "53c7xx: allocate_cmd size > 4K\n");
- return NULL;
- }
- real = get_zeroed_page(GFP_ATOMIC);
- if (real == 0)
- return NULL;
- memset((void *)real, 0, 4096);
- cache_push(virt_to_phys((void *)real), 4096);
- cache_clear(virt_to_phys((void *)real), 4096);
- kernel_set_cachemode((void *)real, 4096, IOMAP_NOCACHE_SER);
- tmp = ROUNDUP(real, void *);
-#ifdef FORCE_DSA_ALIGNMENT
- {
- if (((u32)tmp & 0xff) > CmdPageStart)
- tmp = (struct NCR53c7x0_cmd *)((u32)tmp + 255);
- tmp = (struct NCR53c7x0_cmd *)(((u32)tmp & ~0xff) + CmdPageStart);
-#if 0
- printk ("scsi: size = %d, real = 0x%08x, tmp set to 0x%08x\n",
- size, real, (u32)tmp);
-#endif
- }
-#endif
- tmp->real = (void *)real;
- tmp->size = size;
- tmp->free = ((void (*)(void *, int)) my_free_page);
- local_irq_save(flags);
- tmp->next = hostdata->free;
- hostdata->free = tmp;
- local_irq_restore(flags);
- }
- local_irq_save(flags);
+ spin_lock_irqsave(host->host_lock, flags);
tmp = (struct NCR53c7x0_cmd *) hostdata->free;
if (tmp) {
hostdata->free = tmp->next;
}
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
if (!tmp)
printk ("scsi%d : can't allocate command for target %d lun %d\n",
host->host_no, cmd->device->id, cmd->device->lun);
@@ -3136,11 +3072,11 @@
}
/*
- * Function static struct NCR53c7x0_cmd *create_cmd (Scsi_Cmnd *cmd)
+ * Function static struct NCR53c7x0_cmd *create_cmd (struct scsi_cmnd *cmd)
*
*
* Purpose : allocate a NCR53c7x0_cmd structure, initialize it based on the
- * Scsi_Cmnd structure passed in cmd, including dsa and Linux field
+ * scsi_cmnd structure passed in cmd, including dsa and Linux field
* initialization, and dsa code relocation.
*
* Inputs : cmd - SCSI command
@@ -3149,7 +3085,7 @@
* NULL on failure.
*/
static struct NCR53c7x0_cmd *
-create_cmd (Scsi_Cmnd *cmd) {
+create_cmd (struct scsi_cmnd *cmd) {
NCR53c7x0_local_declare();
struct Scsi_Host *host = cmd->device->host;
struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
@@ -3173,7 +3109,7 @@
return NULL;
/*
- * Copy CDB and initialised result fields from Scsi_Cmnd to NCR53c7x0_cmd.
+ * Copy CDB and initialised result fields from scsi_cmnd to NCR53c7x0_cmd.
* We do this because NCR53c7x0_cmd may have a special cache mode
* selected to cope with lack of bus snooping, etc.
*/
@@ -3316,7 +3252,7 @@
patch_dsa_32(tmp->dsa, dsa_next, 0, 0);
/*
- * XXX is this giving 53c710 access to the Scsi_Cmnd in some way?
+ * XXX is this giving 53c710 access to the scsi_cmnd in some way?
* Do we need to change it for caching reasons?
*/
patch_dsa_32(tmp->dsa, dsa_cmnd, 0, virt_to_bus(cmd));
@@ -3347,17 +3283,17 @@
memcpy ((void *) (tmp->select + 1), (void *) wdtr_message,
sizeof(wdtr_message));
patch_dsa_32(tmp->dsa, dsa_msgout, 0, 1 + sizeof(wdtr_message));
- local_irq_save(flags);
+ spin_lock_irqsave(host->host_lock, flags);
hostdata->initiate_wdtr &= ~(1 << cmd->device->id);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
} else if (hostdata->initiate_sdtr & (1 << cmd->device->id)) {
memcpy ((void *) (tmp->select + 1), (void *) sdtr_message,
sizeof(sdtr_message));
patch_dsa_32(tmp->dsa, dsa_msgout, 0, 1 + sizeof(sdtr_message));
tmp->flags |= CMD_FLAG_SDTR;
- local_irq_save(flags);
+ spin_lock_irqsave(host->host_lock, flags);
hostdata->initiate_sdtr &= ~(1 << cmd->device->id);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
}
#if 1
@@ -3570,8 +3506,8 @@
}
/*
- * Function : int NCR53c7xx_queue_command (Scsi_Cmnd *cmd,
- * void (*done)(Scsi_Cmnd *))
+ * Function : int NCR53c7xx_queue_command (struct scsi_cmnd *cmd,
+ * void (*done)(struct scsi_cmnd *))
*
* Purpose : enqueues a SCSI command
*
@@ -3585,18 +3521,18 @@
* twiddling done to the host specific fields of cmd. If the
* process_issue_queue coroutine isn't running, it is restarted.
*
- * NOTE : we use the host_scribble field of the Scsi_Cmnd structure to
+ * NOTE : we use the host_scribble field of the scsi_cmnd structure to
* hold our own data, and pervert the ptr field of the SCp field
* to create a linked list.
*/
int
-NCR53c7xx_queue_command (Scsi_Cmnd *cmd, void (* done)(Scsi_Cmnd *)) {
+NCR53c7xx_queue_command (struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *)) {
struct Scsi_Host *host = cmd->device->host;
struct NCR53c7x0_hostdata *hostdata =
(struct NCR53c7x0_hostdata *) host->hostdata[0];
unsigned long flags;
- Scsi_Cmnd *tmp;
+ struct scsi_cmnd *tmp;
cmd->scsi_done = done;
cmd->host_scribble = NULL;
@@ -3614,7 +3550,7 @@
}
#endif
- local_irq_save(flags);
+ spin_lock_irqsave(host->host_lock, flags);
if ((hostdata->options & (OPTION_DEBUG_INIT_ONLY|OPTION_DEBUG_PROBE_ONLY))
|| ((hostdata->options & OPTION_DEBUG_TARGET_LIMIT) &&
!(hostdata->debug_lun_limit[cmd->device->id] & (1 << cmd->device->lun)))
@@ -3629,7 +3565,7 @@
cmd->device->id, cmd->device->lun);
cmd->result = (DID_BAD_TARGET << 16);
done(cmd);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
return 0;
}
@@ -3638,7 +3574,7 @@
printk("scsi%d : maximum commands exceeded\n", host->host_no);
cmd->result = (DID_BAD_TARGET << 16);
done(cmd);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
return 0;
}
@@ -3650,7 +3586,7 @@
host->host_no);
cmd->result = (DID_BAD_TARGET << 16);
done(cmd);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
return 0;
}
}
@@ -3673,18 +3609,18 @@
cmd->SCp.ptr = (unsigned char *) hostdata->issue_queue;
hostdata->issue_queue = cmd;
} else {
- for (tmp = (Scsi_Cmnd *) hostdata->issue_queue; tmp->SCp.ptr;
- tmp = (Scsi_Cmnd *) tmp->SCp.ptr);
+ for (tmp = (struct scsi_cmnd *) hostdata->issue_queue; tmp->SCp.ptr;
+ tmp = (struct scsi_cmnd *) tmp->SCp.ptr);
tmp->SCp.ptr = (unsigned char *) cmd;
}
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
run_process_issue_queue();
return 0;
}
/*
* Function : void to_schedule_list (struct Scsi_Host *host,
- * struct NCR53c7x0_hostdata * hostdata, Scsi_Cmnd *cmd)
+ * struct NCR53c7x0_hostdata * hostdata, struct scsi_cmnd *cmd)
*
* Purpose : takes a SCSI command which was just removed from the
* issue queue, and deals with it by inserting it in the first
@@ -3705,7 +3641,7 @@
to_schedule_list (struct Scsi_Host *host, struct NCR53c7x0_hostdata *hostdata,
struct NCR53c7x0_cmd *cmd) {
NCR53c7x0_local_declare();
- Scsi_Cmnd *tmp = cmd->cmd;
+ struct scsi_cmnd *tmp = cmd->cmd;
unsigned long flags;
/* dsa start is negative, so subtraction is used */
volatile u32 *ncrcurrent;
@@ -3717,7 +3653,7 @@
virt_to_bus(hostdata->dsa), hostdata->dsa);
#endif
- local_irq_save(flags);
+ spin_lock_irqsave(host->host_lock, flags);
/*
* Work around race condition : if an interrupt fired and we
@@ -3730,7 +3666,7 @@
cmd->next = (struct NCR53c7x0_cmd *) hostdata->free;
hostdata->free = cmd;
tmp->scsi_done(tmp);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
return;
}
@@ -3760,7 +3696,7 @@
cmd->next = (struct NCR53c7x0_cmd *) hostdata->free;
hostdata->free = cmd;
tmp->scsi_done(tmp);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
return;
}
@@ -3781,12 +3717,12 @@
NCR53c7x0_write8(hostdata->istat, ISTAT_10_SIGP);
}
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
}
/*
* Function : busyp (struct Scsi_Host *host, struct NCR53c7x0_hostdata
- * *hostdata, Scsi_Cmnd *cmd)
+ * *hostdata, struct scsi_cmnd *cmd)
*
* Purpose : decide if we can pass the given SCSI command on to the
* device in question or not.
@@ -3796,7 +3732,7 @@
static __inline__ int
busyp (struct Scsi_Host *host, struct NCR53c7x0_hostdata *hostdata,
- Scsi_Cmnd *cmd) {
+ struct scsi_cmnd *cmd) {
/* FIXME : in the future, this needs to accommodate SCSI-II tagged
queuing, and we may be able to play with fairness here a bit.
*/
@@ -3822,8 +3758,8 @@
static void
process_issue_queue (unsigned long flags) {
- Scsi_Cmnd *tmp, *prev;
- struct Scsi_Host *host;
+ struct scsi_cmnd *tmp, *prev;
+ struct Scsi_Host *host, *s;
struct NCR53c7x0_hostdata *hostdata;
int done;
@@ -3841,14 +3777,13 @@
do {
local_irq_disable(); /* Freeze request queues */
done = 1;
- for (host = first_host; host && host->hostt == the_template;
- host = host->next) {
+ list_for_each_entry_safe(host, s, &the_template->legacy_hosts, sht_legacy_list) {
hostdata = (struct NCR53c7x0_hostdata *) host->hostdata[0];
- local_irq_disable();
+ spin_lock_irq(host->host_lock);
if (hostdata->issue_queue) {
if (hostdata->state == STATE_DISABLED) {
- tmp = (Scsi_Cmnd *) hostdata->issue_queue;
- hostdata->issue_queue = (Scsi_Cmnd *) tmp->SCp.ptr;
+ tmp = (struct scsi_cmnd *) hostdata->issue_queue;
+ hostdata->issue_queue = (struct scsi_cmnd *) tmp->SCp.ptr;
tmp->result = (DID_BAD_TARGET << 16);
if (tmp->host_scribble) {
((struct NCR53c7x0_cmd *)tmp->host_scribble)->next =
@@ -3860,15 +3795,15 @@
tmp->scsi_done (tmp);
done = 0;
} else
- for (tmp = (Scsi_Cmnd *) hostdata->issue_queue,
- prev = NULL; tmp; prev = tmp, tmp = (Scsi_Cmnd *)
+ for (tmp = (struct scsi_cmnd *) hostdata->issue_queue,
+ prev = NULL; tmp; prev = tmp, tmp = (struct scsi_cmnd *)
tmp->SCp.ptr)
if (!tmp->host_scribble ||
!busyp (host, hostdata, tmp)) {
if (prev)
prev->SCp.ptr = tmp->SCp.ptr;
else
- hostdata->issue_queue = (Scsi_Cmnd *)
+ hostdata->issue_queue = (struct scsi_cmnd *)
tmp->SCp.ptr;
tmp->SCp.ptr = NULL;
if (tmp->host_scribble) {
@@ -3893,6 +3828,7 @@
done = 0;
} /* if target/lun is not busy */
} /* if hostdata->issue_queue */
+ spin_unlock(host->host_lock);
if (!done)
local_irq_restore(flags);
} /* for host */
@@ -4103,7 +4039,7 @@
int cnt = 0;
int i = insn_log_index;
int size;
- struct Scsi_Host *host = first_host;
+ struct Scsi_Host *host = (struct Scsi_Host *)the_template->legacy_hosts->next;
while (cnt < 4096) {
printk ("%08x (+%6x): ", insn_log[i], (insn_log[i] - (u32)&(((struct NCR53c7x0_hostdata *)host->hostdata[0])->script))/4);
@@ -4161,14 +4097,14 @@
* completion.
*/
- local_irq_save(flags);
+ spin_lock_irqsave(host->host_lock, flags);
restart:
for (cmd_prev_ptr = (struct NCR53c7x0_cmd **)&(hostdata->running_list),
cmd = (struct NCR53c7x0_cmd *) hostdata->running_list; cmd ;
cmd_prev_ptr = (struct NCR53c7x0_cmd **) &(cmd->next),
cmd = (struct NCR53c7x0_cmd *) cmd->next)
{
- Scsi_Cmnd *tmp;
+ struct scsi_cmnd *tmp;
if (!cmd) {
printk("scsi%d : very weird.\n", host->host_no);
@@ -4176,7 +4112,7 @@
}
if (!(tmp = cmd->cmd)) {
- printk("scsi%d : weird. NCR53c7x0_cmd has no Scsi_Cmnd\n",
+ printk("scsi%d : weird. NCR53c7x0_cmd has no scsi_cmnd\n",
host->host_no);
continue;
}
@@ -4215,7 +4151,7 @@
tmp->scsi_done(tmp);
goto restart;
}
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
if (!search_found) {
printk ("scsi%d : WARNING : INTFLY with no completed commands.\n",
@@ -4250,7 +4186,7 @@
struct NCR53c7x0_cmd *cmd; /* command which halted */
u32 *dsa; /* DSA */
int handled = 0;
-
+ unsigned long flags;
#ifdef NCR_DEBUG
char buf[80]; /* Debugging sprintf buffer */
size_t buflen; /* Length of same */
@@ -4259,6 +4195,7 @@
host = (struct Scsi_Host *)dev_id;
hostdata = (struct NCR53c7x0_hostdata *) host->hostdata[0];
NCR53c7x0_local_setup(host);
+ spin_lock_irqsave(host->host_lock, flags);
/*
* Only read istat once per loop, since reading it again will unstack
@@ -4351,7 +4288,8 @@
}
}
}
- return IRQ_HANDLED;
+ spin_unlock_irqrestore(host->host_lock, flags);
+ return IRQ_RETVAL(handled);
}
@@ -4360,7 +4298,7 @@
*
* Purpose : Assuming that the NCR SCSI processor is currently
* halted, break the currently established nexus. Clean
- * up of the NCR53c7x0_cmd and Scsi_Cmnd structures should
+ * up of the NCR53c7x0_cmd and scsi_cmnd structures should
* be done on receipt of the abort interrupt.
*
* Inputs : host - SCSI host
@@ -4899,12 +4837,12 @@
/* Don't print instr. until we write DSP at end of intr function */
} else if (hostdata->options & OPTION_DEBUG_SINGLE) {
print_insn (host, dsp, "s ", 0);
- local_irq_save(flags);
+ spin_lock_irqsave(host->host_lock, flags);
/* XXX - should we do this, or can we get away with writing dsp? */
NCR53c7x0_write8 (DCNTL_REG, (NCR53c7x0_read8(DCNTL_REG) &
~DCNTL_SSM) | DCNTL_STD);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
} else {
printk(KERN_ALERT "scsi%d : unexpected single step interrupt at\n"
" ", host->host_no);
@@ -5127,7 +5065,7 @@
}
/*
- * Function : int NCR53c7xx_abort (Scsi_Cmnd *cmd)
+ * Function : int NCR53c7xx_abort (struct scsi_cmnd *cmd)
*
* Purpose : Abort an errant SCSI command, doing all necessary
* cleanup of the issue_queue, running_list, shared Linux/NCR
@@ -5139,14 +5077,14 @@
*/
int
-NCR53c7xx_abort (Scsi_Cmnd *cmd) {
+NCR53c7xx_abort (struct scsi_cmnd *cmd) {
NCR53c7x0_local_declare();
struct Scsi_Host *host = cmd->device->host;
struct NCR53c7x0_hostdata *hostdata = host ? (struct NCR53c7x0_hostdata *)
host->hostdata[0] : NULL;
unsigned long flags;
struct NCR53c7x0_cmd *curr, **prev;
- Scsi_Cmnd *me, **last;
+ struct scsi_cmnd *me, **last;
#if 0
static long cache_pid = -1;
#endif
@@ -5155,10 +5093,10 @@
if (!host) {
printk ("Bogus SCSI command pid %ld; no host structure\n",
cmd->pid);
- return SCSI_ABORT_ERROR;
+ return FAILED;
} else if (!hostdata) {
printk ("Bogus SCSI host %d; no hostdata\n", host->host_no);
- return SCSI_ABORT_ERROR;
+ return FAILED;
}
NCR53c7x0_local_setup(host);
@@ -5179,10 +5117,10 @@
printk ("scsi%d : dropped interrupt for command %ld\n", host->host_no,
cmd->pid);
NCR53c7x0_intr (host->irq, NULL, NULL);
- return SCSI_ABORT_BUSY;
+ return FAILED;
}
- local_irq_save(flags);
+ spin_lock_irqsave(host->host_lock, flags);
#if 0
if (cache_pid == cmd->pid)
panic ("scsi%d : bloody fetus %d\n", host->host_no, cmd->pid);
@@ -5201,13 +5139,13 @@
* pull the command out of the old queue, and call it aborted.
*/
- for (me = (Scsi_Cmnd *) hostdata->issue_queue,
- last = (Scsi_Cmnd **) &(hostdata->issue_queue);
- me && me != cmd; last = (Scsi_Cmnd **)&(me->SCp.ptr),
- me = (Scsi_Cmnd *)me->SCp.ptr);
+ for (me = (struct scsi_cmnd *) hostdata->issue_queue,
+ last = (struct scsi_cmnd **) &(hostdata->issue_queue);
+ me && me != cmd; last = (struct scsi_cmnd **)&(me->SCp.ptr),
+ me = (struct scsi_cmnd *)me->SCp.ptr);
if (me) {
- *last = (Scsi_Cmnd *) me->SCp.ptr;
+ *last = (struct scsi_cmnd *) me->SCp.ptr;
if (me->host_scribble) {
((struct NCR53c7x0_cmd *)me->host_scribble)->next = hostdata->free;
hostdata->free = (struct NCR53c7x0_cmd *) me->host_scribble;
@@ -5217,9 +5155,9 @@
cmd->scsi_done(cmd);
printk ("scsi%d : found command %ld in Linux issue queue\n",
host->host_no, me->pid);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
run_process_issue_queue();
- return SCSI_ABORT_SUCCESS;
+ return SUCCESS;
}
/*
@@ -5243,13 +5181,13 @@
cmd->scsi_done(cmd);
printk ("scsi%d : found finished command %ld in running list\n",
host->host_no, cmd->pid);
- local_irq_restore(flags);
- return SCSI_ABORT_NOT_RUNNING;
+ spin_unlock_irqrestore(host->host_lock, flags);
+ return SUCCESS;
} else {
printk ("scsi%d : DANGER : command running, can not abort.\n",
cmd->device->host->host_no);
- local_irq_restore(flags);
- return SCSI_ABORT_BUSY;
+ spin_unlock_irqrestore(host->host_lock, flags);
+ return FAILED;
}
}
@@ -5280,21 +5218,20 @@
*/
--hostdata->busy[cmd->device->id][cmd->device->lun];
}
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
cmd->scsi_done(cmd);
/*
* We need to run process_issue_queue since termination of this command
* may allow another queued command to execute first?
*/
- return SCSI_ABORT_NOT_RUNNING;
+ return SUCCESS;
}
/*
- * Function : int NCR53c7xx_reset (Scsi_Cmnd *cmd)
+ * Function : int NCR53c7xx_reset (struct scsi_cmnd *cmd)
*
- * Purpose : perform a hard reset of the SCSI bus and NCR
- * chip.
+ * Purpose : perform a hard reset of the SCSI bus.
*
* Inputs : cmd - command which caused the SCSI RESET
*
@@ -5302,12 +5239,12 @@
*/
int
-NCR53c7xx_reset (Scsi_Cmnd *cmd, unsigned int reset_flags) {
+NCR53c7xx_reset (struct scsi_cmnd *cmd) {
NCR53c7x0_local_declare();
unsigned long flags;
int found = 0;
struct NCR53c7x0_cmd * c;
- Scsi_Cmnd *tmp;
+ struct scsi_cmnd *tmp;
/*
* When we call scsi_done(), it's going to wake up anything sleeping on the
* resources which were in use by the aborted commands, and we'll start to
@@ -5322,19 +5259,19 @@
* pointer), do our reinitialization, and then call the done function for
* each command.
*/
- Scsi_Cmnd *nuke_list = NULL;
+ struct scsi_cmnd *nuke_list = NULL;
struct Scsi_Host *host = cmd->device->host;
struct NCR53c7x0_hostdata *hostdata =
(struct NCR53c7x0_hostdata *) host->hostdata[0];
NCR53c7x0_local_setup(host);
- local_irq_save(flags);
+ spin_lock_irqsave(host->host_lock, flags);
ncr_halt (host);
print_lots (host);
dump_events (host, 30);
ncr_scsi_reset (host);
for (tmp = nuke_list = return_outstanding_commands (host, 1 /* free */,
- 0 /* issue */ ); tmp; tmp = (Scsi_Cmnd *) tmp->SCp.buffer)
+ 0 /* issue */ ); tmp; tmp = (struct scsi_cmnd *) tmp->SCp.buffer)
if (tmp == cmd) {
found = 1;
break;
@@ -5357,19 +5294,21 @@
}
NCR53c7x0_driver_init (host);
+#if 0
hostdata->soft_reset (host);
+#endif
if (hostdata->resets == 0)
disable(host);
else if (hostdata->resets != -1)
--hostdata->resets;
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
for (; nuke_list; nuke_list = tmp) {
- tmp = (Scsi_Cmnd *) nuke_list->SCp.buffer;
+ tmp = (struct scsi_cmnd *) nuke_list->SCp.buffer;
nuke_list->result = DID_RESET << 16;
nuke_list->scsi_done (nuke_list);
}
- local_irq_restore(flags);
- return SCSI_RESET_SUCCESS;
+ spin_unlock_irqrestore(host->host_lock, flags);
+ return SUCCESS;
}
/*
@@ -5378,7 +5317,7 @@
*/
/*
- * Function : int insn_to_offset (Scsi_Cmnd *cmd, u32 *insn)
+ * Function : int insn_to_offset (struct scsi_cmnd *cmd, u32 *insn)
*
* Purpose : convert instructions stored at NCR pointer into data
* pointer offset.
@@ -5391,7 +5330,7 @@
static int
-insn_to_offset (Scsi_Cmnd *cmd, u32 *insn) {
+insn_to_offset (struct scsi_cmnd *cmd, u32 *insn) {
struct NCR53c7x0_hostdata *hostdata =
(struct NCR53c7x0_hostdata *) cmd->device->host->hostdata[0];
struct NCR53c7x0_cmd *ncmd =
@@ -5445,7 +5384,7 @@
/*
- * Function : void print_progress (Scsi_Cmnd *cmd)
+ * Function : void print_progress (struct scsi_cmnd *cmd)
*
* Purpose : print the current location of the saved data pointer
*
@@ -5454,7 +5393,7 @@
*/
static void
-print_progress (Scsi_Cmnd *cmd) {
+print_progress (struct scsi_cmnd *cmd) {
NCR53c7x0_local_declare();
struct NCR53c7x0_cmd *ncmd =
(struct NCR53c7x0_cmd *) cmd->host_scribble;
@@ -5512,7 +5451,7 @@
host->hostdata[0];
int i, len;
char *ptr;
- Scsi_Cmnd *cmd;
+ struct scsi_cmnd *cmd;
if (check_address ((unsigned long) dsa, hostdata->dsa_end -
hostdata->dsa_start) == -1) {
@@ -5548,7 +5487,7 @@
printk(" + %d : select_indirect = 0x%x\n",
hostdata->dsa_select, dsa[hostdata->dsa_select / sizeof(u32)]);
- cmd = (Scsi_Cmnd *) bus_to_virt(dsa[hostdata->dsa_cmnd / sizeof(u32)]);
+ cmd = (struct scsi_cmnd *) bus_to_virt(dsa[hostdata->dsa_cmnd / sizeof(u32)]);
printk(" + %d : dsa_cmnd = 0x%x ", hostdata->dsa_cmnd,
(u32) virt_to_bus(cmd));
/* XXX Maybe we should access cmd->host_scribble->result here. RGH */
@@ -5588,16 +5527,16 @@
u32 *dsa, *next_dsa;
volatile u32 *ncrcurrent;
int left;
- Scsi_Cmnd *cmd, *next_cmd;
+ struct scsi_cmnd *cmd, *next_cmd;
unsigned long flags;
printk ("scsi%d : issue queue\n", host->host_no);
- for (left = host->can_queue, cmd = (Scsi_Cmnd *) hostdata->issue_queue;
+ for (left = host->can_queue, cmd = (struct scsi_cmnd *) hostdata->issue_queue;
left >= 0 && cmd;
cmd = next_cmd) {
- next_cmd = (Scsi_Cmnd *) cmd->SCp.ptr;
- local_irq_save(flags);
+ next_cmd = (struct scsi_cmnd *) cmd->SCp.ptr;
+ spin_lock_irqsave(host->host_lock, flags);
if (cmd->host_scribble) {
if (check_address ((unsigned long) (cmd->host_scribble),
sizeof (cmd->host_scribble)) == -1)
@@ -5610,7 +5549,7 @@
} else
printk ("scsi%d : scsi pid %ld for target %d lun %d has no NCR53c7x0_cmd\n",
host->host_no, cmd->pid, cmd->device->id, cmd->device->lun);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
}
if (left <= 0) {
@@ -5642,7 +5581,7 @@
dsa = bus_to_virt (hostdata->reconnect_dsa_head);
left >= 0 && dsa;
dsa = next_dsa) {
- local_irq_save(flags);
+ spin_lock_irqsave(host->host_lock, flags);
if (check_address ((unsigned long) dsa, sizeof(dsa)) == -1) {
printk ("scsi%d: bad DSA pointer 0x%p", host->host_no,
dsa);
@@ -5653,7 +5592,7 @@
next_dsa = bus_to_virt(dsa[hostdata->dsa_next / sizeof(u32)]);
print_dsa (host, dsa, "");
}
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
}
printk ("scsi%d : end reconnect_dsa_head\n", host->host_no);
if (left < 0)
@@ -5743,14 +5682,14 @@
struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
host->hostdata[0];
NCR53c7x0_local_setup(host);
- local_irq_save(flags);
+ spin_lock_irqsave(host->host_lock, flags);
/* Get in a state where we can reset the SCSI bus */
ncr_halt (host);
ncr_scsi_reset (host);
hostdata->soft_reset(host);
disable (host);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
return 0;
}
@@ -5765,11 +5704,11 @@
NCR53c7x0_local_declare();
unsigned long flags;
NCR53c7x0_local_setup(host);
- local_irq_save(flags);
+ spin_lock_irqsave(host->host_lock, flags);
NCR53c7x0_write8(SCNTL1_REG, SCNTL1_RST);
udelay(25); /* Minimum amount of time to assert RST */
NCR53c7x0_write8(SCNTL1_REG, 0);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
}
/*
@@ -5782,26 +5721,26 @@
struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
host->hostdata[0];
unsigned long flags;
- local_irq_save(flags);
+ spin_lock_irqsave(host->host_lock, flags);
ncr_scsi_reset(host);
NCR53c7x0_driver_init (host);
if (hostdata->soft_reset)
hostdata->soft_reset (host);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
}
/*
- * Function : Scsi_Cmnd *return_outstanding_commands (struct Scsi_Host *host,
+ * Function : struct scsi_cmnd *return_outstanding_commands (struct Scsi_Host *host,
* int free, int issue)
*
* Purpose : return a linked list (using the SCp.buffer field as next,
* so we don't perturb hostdata. We don't use a field of the
* NCR53c7x0_cmd structure since we may not have allocated one
- * for the command causing the reset.) of Scsi_Cmnd structures that
+ * for the command causing the reset.) of scsi_cmnd structures that
* had propagated below the Linux issue queue level. If free is set,
* free the NCR53c7x0_cmd structures which are associated with
- * the Scsi_Cmnd structures, and clean up any internal
+ * the scsi_cmnd structures, and clean up any internal
* NCR lists that the commands were on. If issue is set,
* also return commands in the issue queue.
*
@@ -5811,14 +5750,14 @@
* if the free flag is set.
*/
-static Scsi_Cmnd *
+static struct scsi_cmnd *
return_outstanding_commands (struct Scsi_Host *host, int free, int issue) {
struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
host->hostdata[0];
struct NCR53c7x0_cmd *c;
int i;
u32 *ncrcurrent;
- Scsi_Cmnd *list = NULL, *tmp;
+ struct scsi_cmnd *list = NULL, *tmp, *next_cmd;
for (c = (struct NCR53c7x0_cmd *) hostdata->running_list; c;
c = (struct NCR53c7x0_cmd *) c->next) {
if (c->cmd->SCp.buffer) {
@@ -5847,7 +5786,9 @@
}
if (issue) {
- for (tmp = (Scsi_Cmnd *) hostdata->issue_queue; tmp; tmp = tmp->next) {
+ for (tmp = (struct scsi_cmnd *) hostdata->issue_queue; tmp; tmp = next_cmd) {
+ next_cmd = (struct scsi_cmnd *) tmp->SCp.ptr;
+
if (tmp->SCp.buffer) {
printk ("scsi%d : loop detected in issue queue!\n",
host->host_no);
@@ -5882,17 +5823,17 @@
struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
host->hostdata[0];
unsigned long flags;
- Scsi_Cmnd *nuke_list, *tmp;
- local_irq_save(flags);
+ struct scsi_cmnd *nuke_list, *tmp;
+ spin_lock_irqsave(host->host_lock, flags);
if (hostdata->state != STATE_HALTED)
ncr_halt (host);
nuke_list = return_outstanding_commands (host, 1 /* free */, 1 /* issue */);
hard_reset (host);
hostdata->state = STATE_DISABLED;
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
printk ("scsi%d : nuking commands\n", host->host_no);
for (; nuke_list; nuke_list = tmp) {
- tmp = (Scsi_Cmnd *) nuke_list->SCp.buffer;
+ tmp = (struct scsi_cmnd *) nuke_list->SCp.buffer;
nuke_list->result = DID_ERROR << 16;
nuke_list->scsi_done(nuke_list);
}
@@ -5922,7 +5863,7 @@
int stage;
NCR53c7x0_local_setup(host);
- local_irq_save(flags);
+ spin_lock_irqsave(host->host_lock, flags);
/* Stage 0 : eat all interrupts
Stage 1 : set ABORT
Stage 2 : eat all but abort interrupts
@@ -5957,7 +5898,7 @@
}
}
hostdata->state = STATE_HALTED;
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
#if 0
print_lots (host);
#endif
@@ -6011,7 +5952,7 @@
* still be guaranteed that they're happening on the same
* event structure.
*/
- local_irq_save(flags);
+ spin_lock_irqsave(host->host_lock, flags);
#if 0
event = hostdata->events[i];
#else
@@ -6019,7 +5960,7 @@
sizeof(event));
#endif
- local_irq_restore(flags);
+ spin_unlock_irqrestore(host->host_lock, flags);
printk ("scsi%d : %s event %d at %ld secs %ld usecs target %d lun %d\n",
host->host_no, event_name (event.event), count,
(long) event.time.tv_sec, (long) event.time.tv_usec,
@@ -6054,6 +5995,72 @@
return (virt_to_phys((void *)addr) < PAGE_SIZE || virt_to_phys((void *)(addr + size)) > virt_to_phys(high_memory) ? -1 : 0);
}
+int
+NCR53c7xx_slave_configure(struct scsi_device *sdev) {
+ struct Scsi_Host *host = sdev->host;
+ struct NCR53c7x0_hostdata *hostdata =
+ (struct NCR53c7x0_hostdata *) host->hostdata[0];
+ struct NCR53c7x0_cmd *tmp;
+ u32 real; /* Real address */
+ int size; /* Size of *tmp */
+ unsigned long flags;
+ int extra_allocate = 0;
+
+/*
+ * Reserve commands for this I_T_L nexus.
+ */
+ if (hostdata->num_cmds < host->can_queue)
+ extra_allocate = host->cmd_per_lun;
+
+ for (; extra_allocate > 0 ; --extra_allocate,
+ ++hostdata->num_cmds) {
+ /* historically, kmalloc has returned unaligned addresses; pad so we
+ have enough room to ROUNDUP */
+ size = hostdata->max_cmd_size + sizeof (void *);
+#ifdef FORCE_DSA_ALIGNMENT
+ /*
+ * 53c710 rev.0 doesn't have an add-with-carry instruction.
+ * Ensure we allocate enough memory to force alignment.
+ */
+ size += 256;
+#endif
+/* FIXME: for ISA bus '7xx chips, we need to or GFP_DMA in here */
+
+ if (size > 4096) {
+ printk (KERN_ERR "53c7xx: slave_configure size > 4K\n");
+ return -ENOMEM;
+ }
+ real = get_zeroed_page(GFP_ATOMIC);
+ if (real == 0)
+ return -ENOMEM;
+ memset((void *)real, 0, 4096);
+ cache_push(virt_to_phys((void *)real), 4096);
+ cache_clear(virt_to_phys((void *)real), 4096);
+ kernel_set_cachemode((void *)real, 4096, IOMAP_NOCACHE_SER);
+ tmp = ROUNDUP(real, void *);
+#ifdef FORCE_DSA_ALIGNMENT
+ {
+ if (((u32)tmp & 0xff) > CmdPageStart)
+ tmp = (struct NCR53c7x0_cmd *)((u32)tmp + 255);
+ tmp = (struct NCR53c7x0_cmd *)(((u32)tmp & ~0xff) + CmdPageStart);
+#if 0
+ printk ("scsi: size = %d, real = 0x%08x, tmp set to 0x%08x\n",
+ size, real, (u32)tmp);
+#endif
+ }
+#endif
+ tmp->real = (void *)real;
+ tmp->size = size;
+ tmp->free = ((void (*)(void *, int)) my_free_page);
+ spin_lock_irqsave(host->host_lock, flags);
+ tmp->next = hostdata->free;
+ hostdata->free = tmp;
+ spin_unlock_irqrestore(host->host_lock, flags);
+ }
+
+ return 0;
+}
+
#ifdef MODULE
int
NCR53c7x0_release(struct Scsi_Host *host) {
@@ -6063,19 +6070,22 @@
shutdown (host);
if (host->irq != SCSI_IRQ_NONE)
{
- int irq_count;
- struct Scsi_Host *tmp;
- for (irq_count = 0, tmp = first_host; tmp; tmp = tmp->next)
- if (tmp->hostt == the_template && tmp->irq == host->irq)
+ int irq_count = 0;
+ struct Scsi_Host *tmp, *s;
+ list_for_each_entry_safe(tmp, s, &the_template->legacy_hosts, sht_legacy_list) {
+ if (tmp->irq == host->irq)
++irq_count;
+ }
if (irq_count == 1)
free_irq(host->irq, NULL);
}
+#ifdef CONFIG_ISA
if (host->dma_channel != DMA_NONE)
free_dma(host->dma_channel);
+#endif
if (host->io_port)
release_region(host->io_port, host->n_io_port);
-
+
for (cmd = (struct NCR53c7x0_cmd *) hostdata->free; cmd; cmd = tmp,
--hostdata->num_cmds) {
tmp = (struct NCR53c7x0_cmd *) cmd->next;
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/scsi/53c7xx.h linux-m68k/drivers/scsi/53c7xx.h
--- linux-i386/drivers/scsi/53c7xx.h 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/drivers/scsi/53c7xx.h 2004-10-30 16:35:43.000000000 +0200
@@ -997,7 +997,7 @@
u32 *dsa; /* What's in the DSA register now (virt) */
/*
* A few things from that SCSI pid so we know what happened after
- * the Scsi_Cmnd structure in question may have disappeared.
+ * the scsi_cmnd structure in question may have disappeared.
*/
unsigned long pid; /* The SCSI PID which caused this
event */
@@ -1029,8 +1029,8 @@
void (* free)(void *, int); /* Command to deallocate; NULL
for structures allocated with
scsi_register, etc. */
- Scsi_Cmnd *cmd; /* Associated Scsi_Cmnd
- structure, Scsi_Cmnd points
+ struct scsi_cmnd *cmd; /* Associated scsi_cmnd
+ structure, scsi_cmnd points
at NCR53c7x0_cmd using
host_scribble structure */
@@ -1039,8 +1039,8 @@
int flags; /* CMD_* flags */
- unsigned char cmnd[12]; /* CDB, copied from Scsi_Cmnd */
- int result; /* Copy to Scsi_Cmnd when done */
+ unsigned char cmnd[12]; /* CDB, copied from scsi_cmnd */
+ int result; /* Copy to scsi_cmnd when done */
struct { /* Private non-cached bounce buffer */
unsigned char buf[256];
@@ -1339,7 +1339,7 @@
volatile struct NCR53c7x0_synchronous sync[16]
__attribute__ ((aligned (4)));
- volatile Scsi_Cmnd *issue_queue
+ volatile struct scsi_cmnd *issue_queue
__attribute__ ((aligned (4)));
/* waiting to be issued by
Linux driver */
@@ -1363,10 +1363,6 @@
*/
volatile int num_cmds; /* Number of commands
allocated */
- volatile int extra_allocate;
- volatile unsigned char cmd_allocated[16]; /* Have we allocated commands
- for this target yet? If not,
- do so ASAP */
volatile unsigned char busy[16][8]; /* number of commands
executing on each target
*/
@@ -1589,20 +1585,26 @@
/* Patch field in dsa structure (assignment should be +=?) */
#define patch_dsa_32(dsa, symbol, word, value) \
{ \
- (dsa)[(hostdata->##symbol - hostdata->dsa_start) / sizeof(u32) \
+ (dsa)[(hostdata->symbol - hostdata->dsa_start) / sizeof(u32) \
+ (word)] = (value); \
if (hostdata->options & OPTION_DEBUG_DSA) \
printk("scsi : dsa %s symbol %s(%d) word %d now 0x%x\n", \
- #dsa, #symbol, hostdata->##symbol, \
+ #dsa, #symbol, hostdata->symbol, \
(word), (u32) (value)); \
}
/* Paranoid people could use panic() here. */
#define FATAL(host) shutdown((host));
-extern int ncr53c7xx_init(Scsi_Host_Template *tpnt, int board, int chip,
+extern int ncr53c7xx_init(struct scsi_host_template *tpnt, int board, int chip,
unsigned long base, int io_port, int irq, int dma,
long long options, int clock);
+extern const char *NCR53c7x0_info(void);
+extern int NCR53c7xx_queue_command(struct scsi_cmnd *, void (*done)(struct scsi_cmnd *));
+extern int NCR53c7xx_abort(struct scsi_cmnd *);
+extern int NCR53c7x0_release (struct Scsi_Host *);
+extern int NCR53c7xx_reset(struct scsi_cmnd *);
+extern int NCR53c7xx_slave_configure(struct scsi_device *);
#endif /* NCR53c710_C */
#endif /* NCR53c710_H */
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/scsi/Kconfig linux-m68k/drivers/scsi/Kconfig
--- linux-i386/drivers/scsi/Kconfig 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/drivers/scsi/Kconfig 2005-10-29 10:42:45.000000000 +0200
@@ -1654,7 +1654,7 @@
config SCSI_AMIGA7XX
bool "Amiga NCR53c710 SCSI support (EXPERIMENTAL)"
- depends on AMIGA && SCSI && EXPERIMENTAL && BROKEN
+ depends on AMIGA && SCSI && EXPERIMENTAL
help
Support for various NCR53c710-based SCSI controllers on the Amiga.
This includes:
@@ -1751,7 +1751,7 @@
config MVME16x_SCSI
bool "NCR53C710 SCSI driver for MVME16x"
- depends on MVME16x && SCSI && BROKEN
+ depends on MVME16x && SCSI
help
The Motorola MVME162, 166, 167, 172 and 177 boards use the NCR53C710
SCSI controller chip. Almost everyone using one of these boards
@@ -1759,7 +1759,7 @@
config BVME6000_SCSI
bool "NCR53C710 SCSI driver for BVME6000"
- depends on BVME6000 && SCSI && BROKEN
+ depends on BVME6000 && SCSI
help
The BVME4000 and BVME6000 boards from BVM Ltd use the NCR53C710
SCSI controller chip. Almost everyone using one of these boards
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/scsi/NCR5380.c linux-m68k/drivers/scsi/NCR5380.c
--- linux-i386/drivers/scsi/NCR5380.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/drivers/scsi/NCR5380.c 2005-10-29 10:42:45.000000000 +0200
@@ -353,6 +353,7 @@
return -ETIMEDOUT;
}
+#if NDEBUG
static struct {
unsigned char value;
const char *name;
@@ -366,7 +367,6 @@
{PHASE_UNKNOWN, "UNKNOWN"}
};
-#if NDEBUG
static struct {
unsigned char mask;
const char *name;
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/scsi/amiga7xx.c linux-m68k/drivers/scsi/amiga7xx.c
--- linux-i386/drivers/scsi/amiga7xx.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/drivers/scsi/amiga7xx.c 2004-10-30 16:35:43.000000000 +0200
@@ -27,8 +27,14 @@
#include "scsi.h"
#include <scsi/scsi_host.h>
#include "53c7xx.h"
-#include "amiga7xx.h"
+#ifndef CMD_PER_LUN
+#define CMD_PER_LUN 3
+#endif
+
+#ifndef CAN_QUEUE
+#define CAN_QUEUE 24
+#endif
static int amiga7xx_register_one(Scsi_Host_Template *tpnt,
unsigned long address)
@@ -115,8 +121,10 @@
{
if (shost->irq)
free_irq(shost->irq, NULL);
+#ifdef CONFIG_ISA
if (shost->dma_channel != 0xff)
free_dma(shost->dma_channel);
+#endif
if (shost->io_port && shost->n_io_port)
release_region(shost->io_port, shost->n_io_port);
scsi_unregister(shost);
@@ -128,8 +136,9 @@
.detect = amiga7xx_detect,
.release = amiga7xx_release,
.queuecommand = NCR53c7xx_queue_command,
- .abort = NCR53c7xx_abort,
- .reset = NCR53c7xx_reset,
+ .eh_abort_handler = NCR53c7xx_abort,
+ .eh_bus_reset_handler = NCR53c7xx_reset,
+ .slave_configure = NCR53c7xx_slave_configure,
.can_queue = 24,
.this_id = 7,
.sg_tablesize = 63,
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/scsi/amiga7xx.h linux-m68k/drivers/scsi/amiga7xx.h
--- linux-i386/drivers/scsi/amiga7xx.h 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/drivers/scsi/amiga7xx.h 1970-01-01 01:00:00.000000000 +0100
@@ -1,23 +0,0 @@
-#ifndef AMIGA7XX_H
-
-#include <linux/types.h>
-
-int amiga7xx_detect(Scsi_Host_Template *);
-const char *NCR53c7x0_info(void);
-int NCR53c7xx_queue_command(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
-int NCR53c7xx_abort(Scsi_Cmnd *);
-int NCR53c7x0_release (struct Scsi_Host *);
-int NCR53c7xx_reset(Scsi_Cmnd *, unsigned int);
-void NCR53c7x0_intr(int irq, void *dev_id, struct pt_regs * regs);
-
-#ifndef CMD_PER_LUN
-#define CMD_PER_LUN 3
-#endif
-
-#ifndef CAN_QUEUE
-#define CAN_QUEUE 24
-#endif
-
-#include <scsi/scsicam.h>
-
-#endif /* AMIGA7XX_H */
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/scsi/bvme6000.c linux-m68k/drivers/scsi/bvme6000.c
--- linux-i386/drivers/scsi/bvme6000.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/drivers/scsi/bvme6000.c 2004-10-30 16:35:43.000000000 +0200
@@ -19,10 +19,16 @@
#include "scsi.h"
#include <scsi/scsi_host.h>
#include "53c7xx.h"
-#include "bvme6000.h"
#include<linux/stat.h>
+#ifndef CMD_PER_LUN
+#define CMD_PER_LUN 3
+#endif
+
+#ifndef CAN_QUEUE
+#define CAN_QUEUE 24
+#endif
int bvme6000_scsi_detect(Scsi_Host_Template *tpnt)
{
@@ -52,8 +58,10 @@
{
if (shost->irq)
free_irq(shost->irq, NULL);
+#ifdef CONFIG_ISA
if (shost->dma_channel != 0xff)
free_dma(shost->dma_channel);
+#endif
if (shost->io_port && shost->n_io_port)
release_region(shost->io_port, shost->n_io_port);
scsi_unregister(shost);
@@ -65,8 +73,9 @@
.detect = bvme6000_scsi_detect,
.release = bvme6000_scsi_release,
.queuecommand = NCR53c7xx_queue_command,
- .abort = NCR53c7xx_abort,
- .reset = NCR53c7xx_reset,
+ .eh_abort_handler = NCR53c7xx_abort,
+ .eh_bus_reset_handler = NCR53c7xx_reset,
+ .slave_configure = NCR53c7xx_slave_configure,
.can_queue = 24,
.this_id = 7,
.sg_tablesize = 63,
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/scsi/bvme6000.h linux-m68k/drivers/scsi/bvme6000.h
--- linux-i386/drivers/scsi/bvme6000.h 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/drivers/scsi/bvme6000.h 1970-01-01 01:00:00.000000000 +0100
@@ -1,24 +0,0 @@
-#ifndef BVME6000_SCSI_H
-#define BVME6000_SCSI_H
-
-#include <linux/types.h>
-
-int bvme6000_scsi_detect(Scsi_Host_Template *);
-const char *NCR53c7x0_info(void);
-int NCR53c7xx_queue_command(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
-int NCR53c7xx_abort(Scsi_Cmnd *);
-int NCR53c7x0_release (struct Scsi_Host *);
-int NCR53c7xx_reset(Scsi_Cmnd *, unsigned int);
-void NCR53c7x0_intr(int irq, void *dev_id, struct pt_regs * regs);
-
-#ifndef CMD_PER_LUN
-#define CMD_PER_LUN 3
-#endif
-
-#ifndef CAN_QUEUE
-#define CAN_QUEUE 24
-#endif
-
-#include <scsi/scsicam.h>
-
-#endif /* BVME6000_SCSI_H */
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/scsi/mvme16x.c linux-m68k/drivers/scsi/mvme16x.c
--- linux-i386/drivers/scsi/mvme16x.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/drivers/scsi/mvme16x.c 2004-10-30 16:35:43.000000000 +0200
@@ -17,10 +17,16 @@
#include "scsi.h"
#include <scsi/scsi_host.h>
#include "53c7xx.h"
-#include "mvme16x.h"
#include<linux/stat.h>
+#ifndef CMD_PER_LUN
+#define CMD_PER_LUN 3
+#endif
+
+#ifndef CAN_QUEUE
+#define CAN_QUEUE 24
+#endif
int mvme16x_scsi_detect(Scsi_Host_Template *tpnt)
{
@@ -54,8 +60,10 @@
{
if (shost->irq)
free_irq(shost->irq, NULL);
+#ifdef CONFIG_ISA
if (shost->dma_channel != 0xff)
free_dma(shost->dma_channel);
+#endif
if (shost->io_port && shost->n_io_port)
release_region(shost->io_port, shost->n_io_port);
scsi_unregister(shost);
@@ -67,8 +75,9 @@
.detect = mvme16x_scsi_detect,
.release = mvme16x_scsi_release,
.queuecommand = NCR53c7xx_queue_command,
- .abort = NCR53c7xx_abort,
- .reset = NCR53c7xx_reset,
+ .eh_abort_handler = NCR53c7xx_abort,
+ .eh_bus_reset_handler = NCR53c7xx_reset,
+ .slave_configure = NCR53c7xx_slave_configure,
.can_queue = 24,
.this_id = 7,
.sg_tablesize = 63,
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/drivers/scsi/mvme16x.h linux-m68k/drivers/scsi/mvme16x.h
--- linux-i386/drivers/scsi/mvme16x.h 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/drivers/scsi/mvme16x.h 1970-01-01 01:00:00.000000000 +0100
@@ -1,24 +0,0 @@
-#ifndef MVME16x_SCSI_H
-#define MVME16x_SCSI_H
-
-#include <linux/types.h>
-
-int mvme16x_scsi_detect(Scsi_Host_Template *);
-const char *NCR53c7x0_info(void);
-int NCR53c7xx_queue_command(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
-int NCR53c7xx_abort(Scsi_Cmnd *);
-int NCR53c7x0_release (struct Scsi_Host *);
-int NCR53c7xx_reset(Scsi_Cmnd *, unsigned int);
-void NCR53c7x0_intr(int irq, void *dev_id, struct pt_regs * regs);
-
-#ifndef CMD_PER_LUN
-#define CMD_PER_LUN 3
-#endif
-
-#ifndef CAN_QUEUE
-#define CAN_QUEUE 24
-#endif
-
-#include <scsi/scsicam.h>
-
-#endif /* MVME16x_SCSI_H */
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/fs/fat/inode.c linux-m68k/fs/fat/inode.c
--- linux-i386/fs/fat/inode.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/fs/fat/inode.c 2005-10-29 10:43:07.000000000 +0200
@@ -11,12 +11,14 @@
*/
#include <linux/module.h>
+#include <linux/config.h>
#include <linux/init.h>
#include <linux/time.h>
#include <linux/slab.h>
#include <linux/smp_lock.h>
#include <linux/seq_file.h>
#include <linux/msdos_fs.h>
+#include <linux/major.h>
#include <linux/pagemap.h>
#include <linux/buffer_head.h>
#include <linux/mount.h>
@@ -771,7 +773,7 @@
Opt_check_n, Opt_check_r, Opt_check_s, Opt_uid, Opt_gid,
Opt_umask, Opt_dmask, Opt_fmask, Opt_codepage, Opt_nocase,
Opt_quiet, Opt_showexec, Opt_debug, Opt_immutable,
- Opt_dots, Opt_nodots,
+ Opt_dots, Opt_nodots, Opt_atari_no, Opt_atari_yes,
Opt_charset, Opt_shortname_lower, Opt_shortname_win95,
Opt_shortname_winnt, Opt_shortname_mixed, Opt_utf8_no, Opt_utf8_yes,
Opt_uni_xl_no, Opt_uni_xl_yes, Opt_nonumtail_no, Opt_nonumtail_yes,
@@ -796,6 +798,9 @@
{Opt_showexec, "showexec"},
{Opt_debug, "debug"},
{Opt_immutable, "sys_immutable"},
+ {Opt_atari_yes, "atari=yes"},
+ {Opt_atari_yes, "atari"},
+ {Opt_atari_no, "atari=no"},
{Opt_obsolate, "conv=binary"},
{Opt_obsolate, "conv=text"},
{Opt_obsolate, "conv=auto"},
@@ -870,6 +875,13 @@
opts->utf8 = opts->unicode_xlate = 0;
opts->numtail = 1;
opts->nocase = 0;
+ opts->atari = 0;
+
+#ifdef CONFIG_ATARI
+ if(MACH_IS_ATARI)
+ /* make Atari GEMDOS format the default if machine is an Atari */
+ opts->atari = 1;
+#endif
*debug = 0;
if (!options)
@@ -918,6 +930,12 @@
case Opt_immutable:
opts->sys_immutable = 1;
break;
+ case Opt_atari_yes:
+ opts->atari = 1;
+ break;
+ case Opt_atari_no:
+ opts->atari = 0;
+ break;
case Opt_uid:
if (match_int(&args[0], &option))
return 0;
@@ -1250,8 +1268,31 @@
total_clusters = (total_sectors - sbi->data_start) / sbi->sec_per_clus;
- if (sbi->fat_bits != 32)
- sbi->fat_bits = (total_clusters > MAX_FAT12) ? 16 : 12;
+ if (!sbi->options.atari) {
+ if (sbi->fat_bits != 32)
+ sbi->fat_bits = (total_clusters > MAX_FAT12) ? 16 : 12;
+ } else {
+ int sectors;
+ /* Atari GEMDOS partitions always have 16-bit fat */
+ if (sbi->fat_bits != 32)
+ sbi->fat_bits = 16;
+ /* If more clusters than fat entries in 16-bit fat, we assume
+ * it's a real MSDOS partition with 12-bit fat.
+ */
+ if (sbi->fat_bits != 32 && total_clusters+2 > sbi->
+ fat_length*SECTOR_SIZE*8/sbi->fat_bits)
+ sbi->fat_bits = 12;
+ /* if it's a floppy disk --> 12bit fat */
+ if (sbi->fat_bits != 32 && MAJOR(sb->s_dev) == FLOPPY_MAJOR)
+ sbi->fat_bits = 12;
+ /* if it's a ramdisk or loopback device and has one of the usual
+ * floppy sizes -> 12bit FAT */
+ sectors = total_sectors + sbi->data_start;
+ if (sbi->fat_bits != 32 && (MAJOR(sb->s_dev) == RAMDISK_MAJOR ||
+ MAJOR(sb->s_dev) == LOOP_MAJOR) &&
+ (sectors == 720 || sectors == 1440 || sectors == 2880))
+ sbi->fat_bits = 12;
+ }
/* check that FAT table does not overflow */
fat_clusters = sbi->fat_length * sb->s_blocksize * 8 / sbi->fat_bits;
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/include/asm-m68k/hardirq.h linux-m68k/include/asm-m68k/hardirq.h
--- linux-i386/include/asm-m68k/hardirq.h 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/include/asm-m68k/hardirq.h 2005-11-01 16:33:46.000000000 +0100
@@ -4,6 +4,7 @@
#include <linux/config.h>
#include <linux/threads.h>
#include <linux/cache.h>
+#include <asm/irq.h>
/* entry.S is sensitive to the offsets of these fields */
typedef struct {
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/include/asm-m68k/io.h linux-m68k/include/asm-m68k/io.h
--- linux-i386/include/asm-m68k/io.h 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/include/asm-m68k/io.h 2005-06-19 16:35:42.000000000 +0200
@@ -324,8 +324,6 @@
#define writel(val,addr) out_le32((addr),(val))
#endif
-#define mmiowb()
-
static inline void *ioremap(unsigned long physaddr, unsigned long size)
{
return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/include/asm-m68k/irq.h linux-m68k/include/asm-m68k/irq.h
--- linux-i386/include/asm-m68k/irq.h 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/include/asm-m68k/irq.h 2005-11-01 16:33:46.000000000 +0100
@@ -2,7 +2,6 @@
#define _M68K_IRQ_H_
#include <linux/config.h>
-#include <linux/interrupt.h>
/*
* # of m68k interrupts
@@ -77,7 +76,7 @@
struct pt_regs;
extern int cpu_request_irq(unsigned int,
- irqreturn_t (*)(int, void *, struct pt_regs *),
+ int (*)(int, void *, struct pt_regs *),
unsigned long, const char *, void *);
extern void cpu_free_irq(unsigned int, void *);
@@ -99,7 +98,7 @@
* interrupt source (if it supports chaining).
*/
typedef struct irq_node {
- irqreturn_t (*handler)(int, void *, struct pt_regs *);
+ int (*handler)(int, void *, struct pt_regs *);
unsigned long flags;
void *dev_id;
const char *devname;
@@ -110,7 +109,7 @@
* This structure has only 4 elements for speed reasons
*/
typedef struct irq_handler {
- irqreturn_t (*handler)(int, void *, struct pt_regs *);
+ int (*handler)(int, void *, struct pt_regs *);
unsigned long flags;
void *dev_id;
const char *devname;
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/include/asm-m68k/processor.h linux-m68k/include/asm-m68k/processor.h
--- linux-i386/include/asm-m68k/processor.h 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/include/asm-m68k/processor.h 2005-05-30 16:33:26.000000000 +0200
@@ -14,6 +14,7 @@
#define current_text_addr() ({ __label__ _l; _l: &&_l;})
#include <linux/config.h>
+#include <linux/thread_info.h>
#include <asm/segment.h>
#include <asm/fpu.h>
#include <asm/ptrace.h>
@@ -55,17 +56,6 @@
#endif
#define TASK_UNMAPPED_ALIGN(addr, off) PAGE_ALIGN(addr)
-struct task_work {
- unsigned char sigpending;
- unsigned char notify_resume; /* request for notification on
- userspace execution resumption */
- char need_resched;
- unsigned char delayed_trace; /* single step a syscall */
- unsigned char syscall_trace; /* count of syscall interceptors */
- unsigned char memdie; /* task was selected to be killed */
- unsigned char pad[2];
-};
-
struct thread_struct {
unsigned long ksp; /* kernel stack pointer */
unsigned long usp; /* user stack pointer */
@@ -78,7 +68,7 @@
unsigned long fp[8*3];
unsigned long fpcntl[3]; /* fp control regs */
unsigned char fpstate[FPSTATESIZE]; /* floating point state */
- struct task_work work;
+ struct thread_info info;
};
#define INIT_THREAD { \
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/include/asm-m68k/serial.h linux-m68k/include/asm-m68k/serial.h
--- linux-i386/include/asm-m68k/serial.h 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/include/asm-m68k/serial.h 2005-08-30 16:36:03.000000000 +0200
@@ -26,9 +26,11 @@
#define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
#endif
+#ifdef CONFIG_ISA
#define SERIAL_PORT_DFNS \
/* UART CLK PORT IRQ FLAGS */ \
{ 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \
{ 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \
{ 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \
{ 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */
+#endif
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/include/asm-m68k/thread_info.h linux-m68k/include/asm-m68k/thread_info.h
--- linux-i386/include/asm-m68k/thread_info.h 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/include/asm-m68k/thread_info.h 2005-08-30 16:36:04.000000000 +0200
@@ -2,17 +2,15 @@
#define _ASM_M68K_THREAD_INFO_H
#include <asm/types.h>
-#include <asm/processor.h>
#include <asm/page.h>
struct thread_info {
struct task_struct *task; /* main task structure */
+ unsigned long flags;
struct exec_domain *exec_domain; /* execution domain */
int preempt_count; /* 0 => preemptable, <0 => BUG */
__u32 cpu; /* should always be 0 on m68k */
struct restart_block restart_block;
-
- __u8 supervisor_stack[0];
};
#define PREEMPT_ACTIVE 0x4000000
@@ -28,91 +26,34 @@
/* THREAD_SIZE should be 8k, so handle differently for 4k and 8k machines */
#if PAGE_SHIFT == 13 /* 8k machines */
-#define alloc_thread_info(tsk) ((struct thread_info *)__get_free_pages(GFP_KERNEL,0))
-#define free_thread_info(ti) free_pages((unsigned long)(ti),0)
+#define alloc_thread_stack(tsk) ((void *)__get_free_pages(GFP_KERNEL,0))
+#define free_thread_stack(ti) free_pages((unsigned long)(ti),0)
#else /* otherwise assume 4k pages */
-#define alloc_thread_info(tsk) ((struct thread_info *)__get_free_pages(GFP_KERNEL,1))
-#define free_thread_info(ti) free_pages((unsigned long)(ti),1)
+#define alloc_thread_stack(tsk) ((void *)__get_free_pages(GFP_KERNEL,1))
+#define free_thread_stack(ti) free_pages((unsigned long)(ti),1)
#endif /* PAGE_SHIFT == 13 */
//#define init_thread_info (init_task.thread.info)
#define init_stack (init_thread_union.stack)
-#define current_thread_info() (current->thread_info)
+#define task_thread_info(tsk) (&(tsk)->thread.info)
+#define current_thread_info() task_thread_info(current)
+#define setup_thread_stack(p, org) ({ \
+ *(struct task_struct **)(p)->stack = (p); \
+ task_thread_info(p)->task = (p); \
+})
#define __HAVE_THREAD_FUNCTIONS
-#define TIF_SYSCALL_TRACE 0 /* syscall trace active */
-#define TIF_DELAYED_TRACE 1 /* single step a syscall */
-#define TIF_NOTIFY_RESUME 2 /* resumption notification requested */
-#define TIF_SIGPENDING 3 /* signal pending */
-#define TIF_NEED_RESCHED 4 /* rescheduling necessary */
-#define TIF_MEMDIE 5
-
-extern int thread_flag_fixme(void);
-
-/*
- * flag set/clear/test wrappers
- * - pass TIF_xxxx constants to these functions
+/* entry.S relies on these definitions!
+ * bits 0-7 are tested at every exception exit
+ * bits 8-15 are also tested at syscall exit
*/
-
-#define __set_tsk_thread_flag(tsk, flag, val) ({ \
- switch (flag) { \
- case TIF_SIGPENDING: \
- tsk->thread.work.sigpending = val; \
- break; \
- case TIF_NEED_RESCHED: \
- tsk->thread.work.need_resched = val; \
- break; \
- case TIF_SYSCALL_TRACE: \
- tsk->thread.work.syscall_trace = val; \
- break; \
- case TIF_MEMDIE: \
- tsk->thread.work.memdie = val; \
- break; \
- default: \
- thread_flag_fixme(); \
- } \
-})
-
-#define __get_tsk_thread_flag(tsk, flag) ({ \
- int ___res; \
- switch (flag) { \
- case TIF_SIGPENDING: \
- ___res = tsk->thread.work.sigpending; \
- break; \
- case TIF_NEED_RESCHED: \
- ___res = tsk->thread.work.need_resched; \
- break; \
- case TIF_SYSCALL_TRACE: \
- ___res = tsk->thread.work.syscall_trace;\
- break; \
- case TIF_MEMDIE: \
- ___res = tsk->thread.work.memdie;\
- break; \
- default: \
- ___res = thread_flag_fixme(); \
- } \
- ___res; \
-})
-
-#define __get_set_tsk_thread_flag(tsk, flag, val) ({ \
- int __res = __get_tsk_thread_flag(tsk, flag); \
- __set_tsk_thread_flag(tsk, flag, val); \
- __res; \
-})
-
-#define set_tsk_thread_flag(tsk, flag) __set_tsk_thread_flag(tsk, flag, ~0)
-#define clear_tsk_thread_flag(tsk, flag) __set_tsk_thread_flag(tsk, flag, 0)
-#define test_and_set_tsk_thread_flag(tsk, flag) __get_set_tsk_thread_flag(tsk, flag, ~0)
-#define test_tsk_thread_flag(tsk, flag) __get_tsk_thread_flag(tsk, flag)
-
-#define set_thread_flag(flag) set_tsk_thread_flag(current, flag)
-#define clear_thread_flag(flag) clear_tsk_thread_flag(current, flag)
-#define test_thread_flag(flag) test_tsk_thread_flag(current, flag)
-
-#define set_need_resched() set_thread_flag(TIF_NEED_RESCHED)
-#define clear_need_resched() clear_thread_flag(TIF_NEED_RESCHED)
+#define TIF_SIGPENDING 6 /* signal pending */
+#define TIF_NEED_RESCHED 7 /* rescheduling necessary */
+#define TIF_DELAYED_TRACE 14 /* single step a syscall */
+#define TIF_SYSCALL_TRACE 15 /* syscall trace active */
+#define TIF_MEMDIE 16
#endif /* _ASM_M68K_THREAD_INFO_H */
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/include/linux/adb.h linux-m68k/include/linux/adb.h
--- linux-i386/include/linux/adb.h 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/include/linux/adb.h 2003-03-25 20:25:16.000000000 +0100
@@ -76,6 +76,7 @@
#define ADBREQ_REPLY 1 /* expect reply */
#define ADBREQ_SYNC 2 /* poll until done */
#define ADBREQ_NOSEND 4 /* build the request, but don't send it */
+#define ADBREQ_RAW 8 /* send raw packet (don't prepend ADB_PACKET) */
/* Messages sent thru the client_list notifier. You should NOT stop
the operation, at least not with this version */
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/include/linux/bootmem.h linux-m68k/include/linux/bootmem.h
--- linux-i386/include/linux/bootmem.h 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/include/linux/bootmem.h 2005-10-29 10:43:54.000000000 +0200
@@ -49,11 +49,11 @@
#define alloc_bootmem(x) \
__alloc_bootmem((x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
#define alloc_bootmem_low(x) \
- __alloc_bootmem((x), SMP_CACHE_BYTES, 0)
+ __alloc_bootmem((x), SMP_CACHE_BYTES, __pa(PAGE_OFFSET))
#define alloc_bootmem_pages(x) \
__alloc_bootmem((x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
#define alloc_bootmem_low_pages(x) \
- __alloc_bootmem((x), PAGE_SIZE, 0)
+ __alloc_bootmem((x), PAGE_SIZE, __pa(PAGE_OFFSET))
#define alloc_bootmem_limit(x, limit) \
__alloc_bootmem_limit((x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS), (limit))
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/include/linux/file.h linux-m68k/include/linux/file.h
--- linux-i386/include/linux/file.h 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/include/linux/file.h 2005-11-01 16:34:09.000000000 +0100
@@ -5,7 +5,6 @@
#ifndef __LINUX_FILE_H
#define __LINUX_FILE_H
-#include <asm/atomic.h>
#include <linux/posix_types.h>
#include <linux/compiler.h>
#include <linux/spinlock.h>
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/include/linux/ide.h linux-m68k/include/linux/ide.h
--- linux-i386/include/linux/ide.h 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/include/linux/ide.h 2005-08-30 16:36:33.000000000 +0200
@@ -592,7 +592,7 @@
* sense_key : Sense key of the last failed packet command
*/
typedef union {
- unsigned all :8;
+ u8 all;
struct {
#if defined(__LITTLE_ENDIAN_BITFIELD)
unsigned ili :1;
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/include/linux/init_task.h linux-m68k/include/linux/init_task.h
--- linux-i386/include/linux/init_task.h 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/include/linux/init_task.h 2005-10-29 10:43:55.000000000 +0200
@@ -80,7 +80,7 @@
#define INIT_TASK(tsk) \
{ \
.state = 0, \
- .thread_info = &init_thread_info, \
+ .stack = &init_stack, \
.usage = ATOMIC_INIT(2), \
.flags = 0, \
.lock_depth = -1, \
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/include/linux/interrupt.h linux-m68k/include/linux/interrupt.h
--- linux-i386/include/linux/interrupt.h 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/include/linux/interrupt.h 2005-10-29 10:43:55.000000000 +0200
@@ -9,6 +9,7 @@
#include <linux/preempt.h>
#include <linux/cpumask.h>
#include <linux/hardirq.h>
+#include <linux/sched.h>
#include <asm/atomic.h>
#include <asm/ptrace.h>
#include <asm/system.h>
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/include/linux/sched.h linux-m68k/include/linux/sched.h
--- linux-i386/include/linux/sched.h 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/include/linux/sched.h 2005-10-29 10:43:57.000000000 +0200
@@ -641,7 +641,8 @@
struct task_struct {
volatile long state; /* -1 unrunnable, 0 runnable, >0 stopped */
- struct thread_info *thread_info;
+ //struct thread_info *thread_info;
+ void *stack;
atomic_t usage;
unsigned long flags; /* per process flags, defined below */
unsigned long ptrace;
@@ -1182,32 +1183,50 @@
spin_unlock(&p->alloc_lock);
}
+#ifndef __HAVE_THREAD_FUNCTIONS
+
+#define task_thread_info(task) ((struct thread_info *)(task)->stack)
+
+static inline void setup_thread_stack(struct task_struct *p, struct task_struct *org)
+{
+ *task_thread_info(p) = *task_thread_info(org);
+ task_thread_info(p)->task = p;
+}
+
+static inline unsigned long *end_of_stack(struct task_struct *p)
+{
+ return (unsigned long *)(task_thread_info(p)(p) + 1);
+}
+
+#endif
+
/* set thread flags in other task's structures
* - see asm/thread_info.h for TIF_xxxx flags available
*/
+
static inline void set_tsk_thread_flag(struct task_struct *tsk, int flag)
{
- set_ti_thread_flag(tsk->thread_info,flag);
+ set_ti_thread_flag(task_thread_info(tsk), flag);
}
static inline void clear_tsk_thread_flag(struct task_struct *tsk, int flag)
{
- clear_ti_thread_flag(tsk->thread_info,flag);
+ clear_ti_thread_flag(task_thread_info(tsk), flag);
}
static inline int test_and_set_tsk_thread_flag(struct task_struct *tsk, int flag)
{
- return test_and_set_ti_thread_flag(tsk->thread_info,flag);
+ return test_and_set_ti_thread_flag(task_thread_info(tsk), flag);
}
static inline int test_and_clear_tsk_thread_flag(struct task_struct *tsk, int flag)
{
- return test_and_clear_ti_thread_flag(tsk->thread_info,flag);
+ return test_and_clear_ti_thread_flag(task_thread_info(tsk), flag);
}
static inline int test_tsk_thread_flag(struct task_struct *tsk, int flag)
{
- return test_ti_thread_flag(tsk->thread_info,flag);
+ return test_ti_thread_flag(task_thread_info(tsk), flag);
}
static inline void set_tsk_need_resched(struct task_struct *tsk)
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/include/linux/smp_lock.h linux-m68k/include/linux/smp_lock.h
--- linux-i386/include/linux/smp_lock.h 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/include/linux/smp_lock.h 2005-04-25 23:13:18.000000000 +0200
@@ -2,7 +2,6 @@
#define __LINUX_SMPLOCK_H
#include <linux/config.h>
-#include <linux/sched.h>
#include <linux/spinlock.h>
#ifdef CONFIG_LOCK_KERNEL
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/include/linux/thread_info.h linux-m68k/include/linux/thread_info.h
--- linux-i386/include/linux/thread_info.h 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/include/linux/thread_info.h 2005-05-30 16:33:47.000000000 +0200
@@ -27,31 +27,6 @@
* - pass TIF_xxxx constants to these functions
*/
-static inline void set_thread_flag(int flag)
-{
- set_bit(flag,&current_thread_info()->flags);
-}
-
-static inline void clear_thread_flag(int flag)
-{
- clear_bit(flag,&current_thread_info()->flags);
-}
-
-static inline int test_and_set_thread_flag(int flag)
-{
- return test_and_set_bit(flag,&current_thread_info()->flags);
-}
-
-static inline int test_and_clear_thread_flag(int flag)
-{
- return test_and_clear_bit(flag,&current_thread_info()->flags);
-}
-
-static inline int test_thread_flag(int flag)
-{
- return test_bit(flag,&current_thread_info()->flags);
-}
-
static inline void set_ti_thread_flag(struct thread_info *ti, int flag)
{
set_bit(flag,&ti->flags);
@@ -77,16 +52,20 @@
return test_bit(flag,&ti->flags);
}
-static inline void set_need_resched(void)
-{
- set_thread_flag(TIF_NEED_RESCHED);
-}
+#define set_thread_flag(flag) \
+ set_ti_thread_flag(current_thread_info(), flag)
+#define clear_thread_flag(flag) \
+ clear_ti_thread_flag(current_thread_info(), flag)
+#define test_and_set_thread_flag(flag) \
+ test_and_set_ti_thread_flag(current_thread_info(), flag)
+#define test_and_clear_thread_flag(flag) \
+ test_and_clear_ti_thread_flag(current_thread_info(), flag)
+#define test_thread_flag(flag) \
+ test_ti_thread_flag(current_thread_info(), flag)
-static inline void clear_need_resched(void)
-{
- clear_thread_flag(TIF_NEED_RESCHED);
-}
+#define set_need_resched() set_thread_flag(TIF_NEED_RESCHED)
+#define clear_need_resched() clear_thread_flag(TIF_NEED_RESCHED)
-#endif
+#endif /* __KERNEL__ */
#endif /* _LINUX_THREAD_INFO_H */
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/kernel/exit.c linux-m68k/kernel/exit.c
--- linux-i386/kernel/exit.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/kernel/exit.c 2005-10-29 10:44:04.000000000 +0200
@@ -859,7 +859,7 @@
if (group_dead && tsk->signal->leader)
disassociate_ctty(1);
- module_put(tsk->thread_info->exec_domain->module);
+ module_put(task_thread_info(tsk)->exec_domain->module);
if (tsk->binfmt)
module_put(tsk->binfmt->module);
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/kernel/fork.c linux-m68k/kernel/fork.c
--- linux-i386/kernel/fork.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/kernel/fork.c 2005-10-29 10:44:04.000000000 +0200
@@ -101,7 +101,7 @@
void free_task(struct task_struct *tsk)
{
- free_thread_info(tsk->thread_info);
+ free_thread_stack(tsk->stack);
free_task_struct(tsk);
}
EXPORT_SYMBOL(free_task);
@@ -156,7 +156,7 @@
static struct task_struct *dup_task_struct(struct task_struct *orig)
{
struct task_struct *tsk;
- struct thread_info *ti;
+ void *stack;
prepare_to_copy(orig);
@@ -164,16 +164,16 @@
if (!tsk)
return NULL;
- ti = alloc_thread_info(tsk);
- if (!ti) {
+ stack = alloc_thread_stack(tsk);
+ if (!stack) {
free_task_struct(tsk);
return NULL;
}
- *ti = *orig->thread_info;
*tsk = *orig;
- tsk->thread_info = ti;
- ti->task = tsk;
+ tsk->stack = stack;
+ *(struct task_struct **)tsk->stack = tsk;
+ setup_thread_stack(tsk, orig);
/* One for us, one for whoever does the "release_task()" (usually parent) */
atomic_set(&tsk->usage,2);
@@ -928,7 +928,7 @@
if (nr_threads >= max_threads)
goto bad_fork_cleanup_count;
- if (!try_module_get(p->thread_info->exec_domain->module))
+ if (!try_module_get(task_thread_info(p)->exec_domain->module))
goto bad_fork_cleanup_count;
if (p->binfmt && !try_module_get(p->binfmt->module))
@@ -1188,7 +1188,7 @@
if (p->binfmt)
module_put(p->binfmt->module);
bad_fork_cleanup_put_domain:
- module_put(p->thread_info->exec_domain->module);
+ module_put(task_thread_info(p)->exec_domain->module);
bad_fork_cleanup_count:
put_group_info(p->group_info);
atomic_dec(&p->user->processes);
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/kernel/sched.c linux-m68k/kernel/sched.c
--- linux-i386/kernel/sched.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/kernel/sched.c 2005-10-29 10:44:05.000000000 +0200
@@ -4230,10 +4230,10 @@
#endif
#ifdef CONFIG_DEBUG_STACK_USAGE
{
- unsigned long *n = (unsigned long *) (p->thread_info+1);
+ unsigned long *n = end_of_stack(p);
while (!*n)
n++;
- free = (unsigned long) n - (unsigned long)(p->thread_info+1);
+ free = (unsigned long) n - (unsigned long) end_of_stack(p);
}
#endif
printk("%5lu %5d %6d ", free, p->pid, p->parent->pid);
@@ -4313,9 +4313,9 @@
/* Set the preempt count _outside_ the spinlocks! */
#if defined(CONFIG_PREEMPT) && !defined(CONFIG_PREEMPT_BKL)
- idle->thread_info->preempt_count = (idle->lock_depth >= 0);
+ task_thread_info(idle)->preempt_count = (idle->lock_depth >= 0);
#else
- idle->thread_info->preempt_count = 0;
+ task_thread_info(idle)->preempt_count = 0;
#endif
}
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/lib/kref.c linux-m68k/lib/kref.c
--- linux-i386/lib/kref.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/lib/kref.c 2005-11-01 16:34:19.000000000 +0100
@@ -11,8 +11,8 @@
*
*/
-#include <linux/kref.h>
#include <linux/module.h>
+#include <linux/kref.h>
/**
* kref_init - initialize object.
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/mm/bootmem.c linux-m68k/mm/bootmem.c
--- linux-i386/mm/bootmem.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/mm/bootmem.c 2005-10-29 10:44:06.000000000 +0200
@@ -283,7 +283,6 @@
count = 0;
/* first extant page of the node */
- pfn = bdata->node_boot_start >> PAGE_SHIFT;
idx = bdata->node_low_pfn - (bdata->node_boot_start >> PAGE_SHIFT);
map = bdata->node_bootmem_map;
/* Check physaddr is O(LOG2(BITS_PER_LONG)) page aligned */
@@ -296,7 +295,8 @@
if (gofast && v == ~0UL) {
int j, order;
- page = pfn_to_page(pfn);
+ page = virt_to_page(phys_to_virt((i << PAGE_SHIFT) +
+ bdata->node_boot_start));
count += BITS_PER_LONG;
__ClearPageReserved(page);
order = ffs(BITS_PER_LONG) - 1;
@@ -308,23 +308,20 @@
}
__free_pages(page, order);
i += BITS_PER_LONG;
- page += BITS_PER_LONG;
} else if (v) {
unsigned long m;
-
- page = pfn_to_page(pfn);
- for (m = 1; m && i < idx; m<<=1, page++, i++) {
+ for (m = 1; m && i < idx; m<<=1, i++) {
if (v & m) {
+ page = virt_to_page(phys_to_virt((i << PAGE_SHIFT) +
+ bdata->node_boot_start));
count++;
__ClearPageReserved(page);
set_page_refs(page, 0);
__free_page(page);
}
}
- } else {
+ } else
i+=BITS_PER_LONG;
- }
- pfn += BITS_PER_LONG;
}
total += count;
diff -urN --exclude-from=/usr/src/exclude-file linux-i386/net/ipv4/raw.c linux-m68k/net/ipv4/raw.c
--- linux-i386/net/ipv4/raw.c 2005-10-28 02:02:08.000000000 +0200
+++ linux-m68k/net/ipv4/raw.c 2005-11-01 16:34:26.000000000 +0100
@@ -40,7 +40,6 @@
*/
#include <linux/config.h>
-#include <asm/atomic.h>
#include <asm/byteorder.h>
#include <asm/current.h>
#include <asm/uaccess.h>
View Git Blame Copy Permalink