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authorJames Morris <jmorris@namei.org>2009-02-06 11:01:45 +1100
committerJames Morris <jmorris@namei.org>2009-02-06 11:01:45 +1100
commitcb5629b10d64a8006622ce3a52bc887d91057d69 (patch)
tree7c06d8f30783115e3384721046258ce615b129c5 /arch/m68k/include/asm/atariints.h
parent8920d5ad6ba74ae8ab020e90cc4d976980e68701 (diff)
parentf01d1d546abb2f4028b5299092f529eefb01253a (diff)
Merge branch 'master' into next
Conflicts: fs/namei.c Manually merged per: diff --cc fs/namei.c index 734f2b5,bbc15c2..0000000 --- a/fs/namei.c +++ b/fs/namei.c @@@ -860,9 -848,8 +849,10 @@@ static int __link_path_walk(const char nd->flags |= LOOKUP_CONTINUE; err = exec_permission_lite(inode); if (err == -EAGAIN) - err = vfs_permission(nd, MAY_EXEC); + err = inode_permission(nd->path.dentry->d_inode, + MAY_EXEC); + if (!err) + err = ima_path_check(&nd->path, MAY_EXEC); if (err) break; @@@ -1525,14 -1506,9 +1509,14 @@@ int may_open(struct path *path, int acc flag &= ~O_TRUNC; } - error = vfs_permission(nd, acc_mode); + error = inode_permission(inode, acc_mode); if (error) return error; + - error = ima_path_check(&nd->path, ++ error = ima_path_check(path, + acc_mode & (MAY_READ | MAY_WRITE | MAY_EXEC)); + if (error) + return error; /* * An append-only file must be opened in append mode for writing. */ Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'arch/m68k/include/asm/atariints.h')
-rw-r--r--arch/m68k/include/asm/atariints.h204
1 files changed, 204 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/atariints.h b/arch/m68k/include/asm/atariints.h
new file mode 100644
index 00000000000..5748e99f4e2
--- /dev/null
+++ b/arch/m68k/include/asm/atariints.h
@@ -0,0 +1,204 @@
+/*
+** atariints.h -- Atari Linux interrupt handling structs and prototypes
+**
+** Copyright 1994 by Björn Brauel
+**
+** 5/2/94 Roman Hodek:
+** TT interrupt definitions added.
+**
+** 12/02/96: (Roman)
+** Adapted to new int handling scheme (see ataints.c); revised numbering
+**
+** This file is subject to the terms and conditions of the GNU General Public
+** License. See the file COPYING in the main directory of this archive
+** for more details.
+**
+*/
+
+#ifndef _LINUX_ATARIINTS_H_
+#define _LINUX_ATARIINTS_H_
+
+#include <asm/irq.h>
+#include <asm/atarihw.h>
+
+/*
+** Atari Interrupt sources.
+**
+*/
+
+#define STMFP_SOURCE_BASE 8
+#define TTMFP_SOURCE_BASE 24
+#define SCC_SOURCE_BASE 40
+#define VME_SOURCE_BASE 56
+#define VME_MAX_SOURCES 16
+
+#define NUM_ATARI_SOURCES (VME_SOURCE_BASE+VME_MAX_SOURCES-STMFP_SOURCE_BASE)
+
+/* convert vector number to int source number */
+#define IRQ_VECTOR_TO_SOURCE(v) ((v) - ((v) < 0x20 ? 0x18 : (0x40-8)))
+
+/* convert irq_handler index to vector number */
+#define IRQ_SOURCE_TO_VECTOR(i) ((i) + ((i) < 8 ? 0x18 : (0x40-8)))
+
+/* interrupt service types */
+#define IRQ_TYPE_SLOW 0
+#define IRQ_TYPE_FAST 1
+#define IRQ_TYPE_PRIO 2
+
+/* ST-MFP interrupts */
+#define IRQ_MFP_BUSY (8)
+#define IRQ_MFP_DCD (9)
+#define IRQ_MFP_CTS (10)
+#define IRQ_MFP_GPU (11)
+#define IRQ_MFP_TIMD (12)
+#define IRQ_MFP_TIMC (13)
+#define IRQ_MFP_ACIA (14)
+#define IRQ_MFP_FDC (15)
+#define IRQ_MFP_ACSI IRQ_MFP_FDC
+#define IRQ_MFP_FSCSI IRQ_MFP_FDC
+#define IRQ_MFP_IDE IRQ_MFP_FDC
+#define IRQ_MFP_TIMB (16)
+#define IRQ_MFP_SERERR (17)
+#define IRQ_MFP_SEREMPT (18)
+#define IRQ_MFP_RECERR (19)
+#define IRQ_MFP_RECFULL (20)
+#define IRQ_MFP_TIMA (21)
+#define IRQ_MFP_RI (22)
+#define IRQ_MFP_MMD (23)
+
+/* TT-MFP interrupts */
+#define IRQ_TT_MFP_IO0 (24)
+#define IRQ_TT_MFP_IO1 (25)
+#define IRQ_TT_MFP_SCC (26)
+#define IRQ_TT_MFP_RI (27)
+#define IRQ_TT_MFP_TIMD (28)
+#define IRQ_TT_MFP_TIMC (29)
+#define IRQ_TT_MFP_DRVRDY (30)
+#define IRQ_TT_MFP_SCSIDMA (31)
+#define IRQ_TT_MFP_TIMB (32)
+#define IRQ_TT_MFP_SERERR (33)
+#define IRQ_TT_MFP_SEREMPT (34)
+#define IRQ_TT_MFP_RECERR (35)
+#define IRQ_TT_MFP_RECFULL (36)
+#define IRQ_TT_MFP_TIMA (37)
+#define IRQ_TT_MFP_RTC (38)
+#define IRQ_TT_MFP_SCSI (39)
+
+/* SCC interrupts */
+#define IRQ_SCCB_TX (40)
+#define IRQ_SCCB_STAT (42)
+#define IRQ_SCCB_RX (44)
+#define IRQ_SCCB_SPCOND (46)
+#define IRQ_SCCA_TX (48)
+#define IRQ_SCCA_STAT (50)
+#define IRQ_SCCA_RX (52)
+#define IRQ_SCCA_SPCOND (54)
+
+
+#define INT_CLK 24576 /* CLK while int_clk =2.456MHz and divide = 100 */
+#define INT_TICKS 246 /* to make sched_time = 99.902... HZ */
+
+
+#define MFP_ENABLE 0
+#define MFP_PENDING 1
+#define MFP_SERVICE 2
+#define MFP_MASK 3
+
+/* Utility functions for setting/clearing bits in the interrupt registers of
+ * the MFP. 'type' should be constant, if 'irq' is constant, too, code size is
+ * reduced. set_mfp_bit() is nonsense for PENDING and SERVICE registers. */
+
+static inline int get_mfp_bit( unsigned irq, int type )
+
+{ unsigned char mask, *reg;
+
+ mask = 1 << (irq & 7);
+ reg = (unsigned char *)&mfp.int_en_a + type*4 +
+ ((irq & 8) >> 2) + (((irq-8) & 16) << 3);
+ return( *reg & mask );
+}
+
+static inline void set_mfp_bit( unsigned irq, int type )
+
+{ unsigned char mask, *reg;
+
+ mask = 1 << (irq & 7);
+ reg = (unsigned char *)&mfp.int_en_a + type*4 +
+ ((irq & 8) >> 2) + (((irq-8) & 16) << 3);
+ __asm__ __volatile__ ( "orb %0,%1"
+ : : "di" (mask), "m" (*reg) : "memory" );
+}
+
+static inline void clear_mfp_bit( unsigned irq, int type )
+
+{ unsigned char mask, *reg;
+
+ mask = ~(1 << (irq & 7));
+ reg = (unsigned char *)&mfp.int_en_a + type*4 +
+ ((irq & 8) >> 2) + (((irq-8) & 16) << 3);
+ if (type == MFP_PENDING || type == MFP_SERVICE)
+ __asm__ __volatile__ ( "moveb %0,%1"
+ : : "di" (mask), "m" (*reg) : "memory" );
+ else
+ __asm__ __volatile__ ( "andb %0,%1"
+ : : "di" (mask), "m" (*reg) : "memory" );
+}
+
+/*
+ * {en,dis}able_irq have the usual semantics of temporary blocking the
+ * interrupt, but not loosing requests that happen between disabling and
+ * enabling. This is done with the MFP mask registers.
+ */
+
+static inline void atari_enable_irq( unsigned irq )
+
+{
+ if (irq < STMFP_SOURCE_BASE || irq >= SCC_SOURCE_BASE) return;
+ set_mfp_bit( irq, MFP_MASK );
+}
+
+static inline void atari_disable_irq( unsigned irq )
+
+{
+ if (irq < STMFP_SOURCE_BASE || irq >= SCC_SOURCE_BASE) return;
+ clear_mfp_bit( irq, MFP_MASK );
+}
+
+/*
+ * In opposite to {en,dis}able_irq, requests between turn{off,on}_irq are not
+ * "stored"
+ */
+
+static inline void atari_turnon_irq( unsigned irq )
+
+{
+ if (irq < STMFP_SOURCE_BASE || irq >= SCC_SOURCE_BASE) return;
+ set_mfp_bit( irq, MFP_ENABLE );
+}
+
+static inline void atari_turnoff_irq( unsigned irq )
+
+{
+ if (irq < STMFP_SOURCE_BASE || irq >= SCC_SOURCE_BASE) return;
+ clear_mfp_bit( irq, MFP_ENABLE );
+ clear_mfp_bit( irq, MFP_PENDING );
+}
+
+static inline void atari_clear_pending_irq( unsigned irq )
+
+{
+ if (irq < STMFP_SOURCE_BASE || irq >= SCC_SOURCE_BASE) return;
+ clear_mfp_bit( irq, MFP_PENDING );
+}
+
+static inline int atari_irq_pending( unsigned irq )
+
+{
+ if (irq < STMFP_SOURCE_BASE || irq >= SCC_SOURCE_BASE) return( 0 );
+ return( get_mfp_bit( irq, MFP_PENDING ) );
+}
+
+unsigned long atari_register_vme_int( void );
+void atari_unregister_vme_int( unsigned long );
+
+#endif /* linux/atariints.h */