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-rw-r--r--include/asm-generic/dma-mapping.h308
-rw-r--r--include/asm-generic/fcntl.h12
-rw-r--r--include/asm-generic/gpio.h5
-rw-r--r--include/asm-generic/percpu.h52
-rw-r--r--include/asm-generic/sections.h2
-rw-r--r--include/asm-generic/siginfo.h14
-rw-r--r--include/asm-generic/statfs.h5
-rw-r--r--include/asm-generic/topology.h10
-rw-r--r--include/asm-generic/vmlinux.lds.h70
9 files changed, 131 insertions, 347 deletions
diff --git a/include/asm-generic/dma-mapping.h b/include/asm-generic/dma-mapping.h
deleted file mode 100644
index 189486c3f92..00000000000
--- a/include/asm-generic/dma-mapping.h
+++ /dev/null
@@ -1,308 +0,0 @@
-/* Copyright (C) 2002 by James.Bottomley@HansenPartnership.com
- *
- * Implements the generic device dma API via the existing pci_ one
- * for unconverted architectures
- */
-
-#ifndef _ASM_GENERIC_DMA_MAPPING_H
-#define _ASM_GENERIC_DMA_MAPPING_H
-
-
-#ifdef CONFIG_PCI
-
-/* we implement the API below in terms of the existing PCI one,
- * so include it */
-#include <linux/pci.h>
-/* need struct page definitions */
-#include <linux/mm.h>
-
-static inline int
-dma_supported(struct device *dev, u64 mask)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- return pci_dma_supported(to_pci_dev(dev), mask);
-}
-
-static inline int
-dma_set_mask(struct device *dev, u64 dma_mask)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- return pci_set_dma_mask(to_pci_dev(dev), dma_mask);
-}
-
-static inline void *
-dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
- gfp_t flag)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- return pci_alloc_consistent(to_pci_dev(dev), size, dma_handle);
-}
-
-static inline void
-dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
- dma_addr_t dma_handle)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- pci_free_consistent(to_pci_dev(dev), size, cpu_addr, dma_handle);
-}
-
-static inline dma_addr_t
-dma_map_single(struct device *dev, void *cpu_addr, size_t size,
- enum dma_data_direction direction)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- return pci_map_single(to_pci_dev(dev), cpu_addr, size, (int)direction);
-}
-
-static inline void
-dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
- enum dma_data_direction direction)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- pci_unmap_single(to_pci_dev(dev), dma_addr, size, (int)direction);
-}
-
-static inline dma_addr_t
-dma_map_page(struct device *dev, struct page *page,
- unsigned long offset, size_t size,
- enum dma_data_direction direction)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- return pci_map_page(to_pci_dev(dev), page, offset, size, (int)direction);
-}
-
-static inline void
-dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
- enum dma_data_direction direction)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- pci_unmap_page(to_pci_dev(dev), dma_address, size, (int)direction);
-}
-
-static inline int
-dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
- enum dma_data_direction direction)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- return pci_map_sg(to_pci_dev(dev), sg, nents, (int)direction);
-}
-
-static inline void
-dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
- enum dma_data_direction direction)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- pci_unmap_sg(to_pci_dev(dev), sg, nhwentries, (int)direction);
-}
-
-static inline void
-dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
- enum dma_data_direction direction)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- pci_dma_sync_single_for_cpu(to_pci_dev(dev), dma_handle,
- size, (int)direction);
-}
-
-static inline void
-dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size,
- enum dma_data_direction direction)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- pci_dma_sync_single_for_device(to_pci_dev(dev), dma_handle,
- size, (int)direction);
-}
-
-static inline void
-dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
- enum dma_data_direction direction)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- pci_dma_sync_sg_for_cpu(to_pci_dev(dev), sg, nelems, (int)direction);
-}
-
-static inline void
-dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
- enum dma_data_direction direction)
-{
- BUG_ON(dev->bus != &pci_bus_type);
-
- pci_dma_sync_sg_for_device(to_pci_dev(dev), sg, nelems, (int)direction);
-}
-
-static inline int
-dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
-{
- return pci_dma_mapping_error(to_pci_dev(dev), dma_addr);
-}
-
-
-#else
-
-static inline int
-dma_supported(struct device *dev, u64 mask)
-{
- return 0;
-}
-
-static inline int
-dma_set_mask(struct device *dev, u64 dma_mask)
-{
- BUG();
- return 0;
-}
-
-static inline void *
-dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
- gfp_t flag)
-{
- BUG();
- return NULL;
-}
-
-static inline void
-dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
- dma_addr_t dma_handle)
-{
- BUG();
-}
-
-static inline dma_addr_t
-dma_map_single(struct device *dev, void *cpu_addr, size_t size,
- enum dma_data_direction direction)
-{
- BUG();
- return 0;
-}
-
-static inline void
-dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
- enum dma_data_direction direction)
-{
- BUG();
-}
-
-static inline dma_addr_t
-dma_map_page(struct device *dev, struct page *page,
- unsigned long offset, size_t size,
- enum dma_data_direction direction)
-{
- BUG();
- return 0;
-}
-
-static inline void
-dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
- enum dma_data_direction direction)
-{
- BUG();
-}
-
-static inline int
-dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
- enum dma_data_direction direction)
-{
- BUG();
- return 0;
-}
-
-static inline void
-dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
- enum dma_data_direction direction)
-{
- BUG();
-}
-
-static inline void
-dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
- enum dma_data_direction direction)
-{
- BUG();
-}
-
-static inline void
-dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size,
- enum dma_data_direction direction)
-{
- BUG();
-}
-
-static inline void
-dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
- enum dma_data_direction direction)
-{
- BUG();
-}
-
-static inline void
-dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
- enum dma_data_direction direction)
-{
- BUG();
-}
-
-static inline int
-dma_error(dma_addr_t dma_addr)
-{
- return 0;
-}
-
-#endif
-
-/* Now for the API extensions over the pci_ one */
-
-#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
-#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
-#define dma_is_consistent(d, h) (1)
-
-static inline int
-dma_get_cache_alignment(void)
-{
- /* no easy way to get cache size on all processors, so return
- * the maximum possible, to be safe */
- return (1 << INTERNODE_CACHE_SHIFT);
-}
-
-static inline void
-dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle,
- unsigned long offset, size_t size,
- enum dma_data_direction direction)
-{
- /* just sync everything, that's all the pci API can do */
- dma_sync_single_for_cpu(dev, dma_handle, offset+size, direction);
-}
-
-static inline void
-dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle,
- unsigned long offset, size_t size,
- enum dma_data_direction direction)
-{
- /* just sync everything, that's all the pci API can do */
- dma_sync_single_for_device(dev, dma_handle, offset+size, direction);
-}
-
-static inline void
-dma_cache_sync(struct device *dev, void *vaddr, size_t size,
- enum dma_data_direction direction)
-{
- /* could define this in terms of the dma_cache ... operations,
- * but if you get this on a platform, you should convert the platform
- * to using the generic device DMA API */
- BUG();
-}
-
-#endif
-
diff --git a/include/asm-generic/fcntl.h b/include/asm-generic/fcntl.h
index b8477414c5c..4d3e48373e7 100644
--- a/include/asm-generic/fcntl.h
+++ b/include/asm-generic/fcntl.h
@@ -117,9 +117,9 @@
struct flock {
short l_type;
short l_whence;
- off_t l_start;
- off_t l_len;
- pid_t l_pid;
+ __kernel_off_t l_start;
+ __kernel_off_t l_len;
+ __kernel_pid_t l_pid;
__ARCH_FLOCK_PAD
};
#endif
@@ -140,9 +140,9 @@ struct flock {
struct flock64 {
short l_type;
short l_whence;
- loff_t l_start;
- loff_t l_len;
- pid_t l_pid;
+ __kernel_loff_t l_start;
+ __kernel_loff_t l_len;
+ __kernel_pid_t l_pid;
__ARCH_FLOCK64_PAD
};
#endif
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index 81797ec9ab2..d6c379dc64f 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -55,6 +55,10 @@ struct module;
* handled is (base + ngpio - 1).
* @can_sleep: flag must be set iff get()/set() methods sleep, as they
* must while accessing GPIO expander chips over I2C or SPI
+ * @names: if set, must be an array of strings to use as alternative
+ * names for the GPIOs in this chip. Any entry in the array
+ * may be NULL if there is no alias for the GPIO, however the
+ * array must be @ngpio entries long.
*
* A gpio_chip can help platforms abstract various sources of GPIOs so
* they can all be accessed through a common programing interface.
@@ -92,6 +96,7 @@ struct gpio_chip {
struct gpio_chip *chip);
int base;
u16 ngpio;
+ char **names;
unsigned can_sleep:1;
unsigned exported:1;
};
diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h
index b0e63c672eb..00f45ff081a 100644
--- a/include/asm-generic/percpu.h
+++ b/include/asm-generic/percpu.h
@@ -80,4 +80,56 @@ extern void setup_per_cpu_areas(void);
#define DECLARE_PER_CPU(type, name) extern PER_CPU_ATTRIBUTES \
__typeof__(type) per_cpu_var(name)
+/*
+ * Optional methods for optimized non-lvalue per-cpu variable access.
+ *
+ * @var can be a percpu variable or a field of it and its size should
+ * equal char, int or long. percpu_read() evaluates to a lvalue and
+ * all others to void.
+ *
+ * These operations are guaranteed to be atomic w.r.t. preemption.
+ * The generic versions use plain get/put_cpu_var(). Archs are
+ * encouraged to implement single-instruction alternatives which don't
+ * require preemption protection.
+ */
+#ifndef percpu_read
+# define percpu_read(var) \
+ ({ \
+ typeof(per_cpu_var(var)) __tmp_var__; \
+ __tmp_var__ = get_cpu_var(var); \
+ put_cpu_var(var); \
+ __tmp_var__; \
+ })
+#endif
+
+#define __percpu_generic_to_op(var, val, op) \
+do { \
+ get_cpu_var(var) op val; \
+ put_cpu_var(var); \
+} while (0)
+
+#ifndef percpu_write
+# define percpu_write(var, val) __percpu_generic_to_op(var, (val), =)
+#endif
+
+#ifndef percpu_add
+# define percpu_add(var, val) __percpu_generic_to_op(var, (val), +=)
+#endif
+
+#ifndef percpu_sub
+# define percpu_sub(var, val) __percpu_generic_to_op(var, (val), -=)
+#endif
+
+#ifndef percpu_and
+# define percpu_and(var, val) __percpu_generic_to_op(var, (val), &=)
+#endif
+
+#ifndef percpu_or
+# define percpu_or(var, val) __percpu_generic_to_op(var, (val), |=)
+#endif
+
+#ifndef percpu_xor
+# define percpu_xor(var, val) __percpu_generic_to_op(var, (val), ^=)
+#endif
+
#endif /* _ASM_GENERIC_PERCPU_H_ */
diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h
index 79a7ff925bf..4ce48e87853 100644
--- a/include/asm-generic/sections.h
+++ b/include/asm-generic/sections.h
@@ -9,7 +9,7 @@ extern char __bss_start[], __bss_stop[];
extern char __init_begin[], __init_end[];
extern char _sinittext[], _einittext[];
extern char _end[];
-extern char __per_cpu_start[], __per_cpu_end[];
+extern char __per_cpu_load[], __per_cpu_start[], __per_cpu_end[];
extern char __kprobes_text_start[], __kprobes_text_end[];
extern char __initdata_begin[], __initdata_end[];
extern char __start_rodata[], __end_rodata[];
diff --git a/include/asm-generic/siginfo.h b/include/asm-generic/siginfo.h
index 969570167e9..35752dadd6d 100644
--- a/include/asm-generic/siginfo.h
+++ b/include/asm-generic/siginfo.h
@@ -23,7 +23,7 @@ typedef union sigval {
#endif
#ifndef __ARCH_SI_UID_T
-#define __ARCH_SI_UID_T uid_t
+#define __ARCH_SI_UID_T __kernel_uid32_t
#endif
/*
@@ -47,13 +47,13 @@ typedef struct siginfo {
/* kill() */
struct {
- pid_t _pid; /* sender's pid */
+ __kernel_pid_t _pid; /* sender's pid */
__ARCH_SI_UID_T _uid; /* sender's uid */
} _kill;
/* POSIX.1b timers */
struct {
- timer_t _tid; /* timer id */
+ __kernel_timer_t _tid; /* timer id */
int _overrun; /* overrun count */
char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)];
sigval_t _sigval; /* same as below */
@@ -62,18 +62,18 @@ typedef struct siginfo {
/* POSIX.1b signals */
struct {
- pid_t _pid; /* sender's pid */
+ __kernel_pid_t _pid; /* sender's pid */
__ARCH_SI_UID_T _uid; /* sender's uid */
sigval_t _sigval;
} _rt;
/* SIGCHLD */
struct {
- pid_t _pid; /* which child */
+ __kernel_pid_t _pid; /* which child */
__ARCH_SI_UID_T _uid; /* sender's uid */
int _status; /* exit code */
- clock_t _utime;
- clock_t _stime;
+ __kernel_clock_t _utime;
+ __kernel_clock_t _stime;
} _sigchld;
/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
diff --git a/include/asm-generic/statfs.h b/include/asm-generic/statfs.h
index 6129d680214..3b4fb3e52f0 100644
--- a/include/asm-generic/statfs.h
+++ b/include/asm-generic/statfs.h
@@ -1,8 +1,9 @@
#ifndef _GENERIC_STATFS_H
#define _GENERIC_STATFS_H
-#ifndef __KERNEL_STRICT_NAMES
-# include <linux/types.h>
+#include <linux/types.h>
+
+#ifdef __KERNEL__
typedef __kernel_fsid_t fsid_t;
#endif
diff --git a/include/asm-generic/topology.h b/include/asm-generic/topology.h
index 0e9e2bc0ee9..88bada2ebc4 100644
--- a/include/asm-generic/topology.h
+++ b/include/asm-generic/topology.h
@@ -43,20 +43,10 @@
#ifndef cpumask_of_node
#define cpumask_of_node(node) ((void)node, cpu_online_mask)
#endif
-#ifndef node_to_first_cpu
-#define node_to_first_cpu(node) ((void)(node),0)
-#endif
#ifndef pcibus_to_node
#define pcibus_to_node(bus) ((void)(bus), -1)
#endif
-#ifndef pcibus_to_cpumask
-#define pcibus_to_cpumask(bus) (pcibus_to_node(bus) == -1 ? \
- CPU_MASK_ALL : \
- node_to_cpumask(pcibus_to_node(bus)) \
- )
-#endif
-
#ifndef cpumask_of_pcibus
#define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \
cpu_all_mask : \
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index c61fab1dd2f..a654d724d3b 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -80,6 +80,11 @@
VMLINUX_SYMBOL(__start___tracepoints) = .; \
*(__tracepoints) \
VMLINUX_SYMBOL(__stop___tracepoints) = .; \
+ /* implement dynamic printk debug */ \
+ . = ALIGN(8); \
+ VMLINUX_SYMBOL(__start___verbose) = .; \
+ *(__verbose) \
+ VMLINUX_SYMBOL(__stop___verbose) = .; \
LIKELY_PROFILE() \
BRANCH_PROFILE()
@@ -309,15 +314,7 @@
CPU_DISCARD(init.data) \
CPU_DISCARD(init.rodata) \
MEM_DISCARD(init.data) \
- MEM_DISCARD(init.rodata) \
- /* implement dynamic printk debug */ \
- VMLINUX_SYMBOL(__start___verbose_strings) = .; \
- *(__verbose_strings) \
- VMLINUX_SYMBOL(__stop___verbose_strings) = .; \
- . = ALIGN(8); \
- VMLINUX_SYMBOL(__start___verbose) = .; \
- *(__verbose) \
- VMLINUX_SYMBOL(__stop___verbose) = .;
+ MEM_DISCARD(init.rodata)
#define INIT_TEXT \
*(.init.text) \
@@ -430,12 +427,59 @@
*(.initcall7.init) \
*(.initcall7s.init)
+/**
+ * PERCPU_VADDR - define output section for percpu area
+ * @vaddr: explicit base address (optional)
+ * @phdr: destination PHDR (optional)
+ *
+ * Macro which expands to output section for percpu area. If @vaddr
+ * is not blank, it specifies explicit base address and all percpu
+ * symbols will be offset from the given address. If blank, @vaddr
+ * always equals @laddr + LOAD_OFFSET.
+ *
+ * @phdr defines the output PHDR to use if not blank. Be warned that
+ * output PHDR is sticky. If @phdr is specified, the next output
+ * section in the linker script will go there too. @phdr should have
+ * a leading colon.
+ *
+ * Note that this macros defines __per_cpu_load as an absolute symbol.
+ * If there is no need to put the percpu section at a predetermined
+ * address, use PERCPU().
+ */
+#define PERCPU_VADDR(vaddr, phdr) \
+ VMLINUX_SYMBOL(__per_cpu_load) = .; \
+ .data.percpu vaddr : AT(VMLINUX_SYMBOL(__per_cpu_load) \
+ - LOAD_OFFSET) { \
+ VMLINUX_SYMBOL(__per_cpu_start) = .; \
+ *(.data.percpu.first) \
+ *(.data.percpu.page_aligned) \
+ *(.data.percpu) \
+ *(.data.percpu.shared_aligned) \
+ VMLINUX_SYMBOL(__per_cpu_end) = .; \
+ } phdr \
+ . = VMLINUX_SYMBOL(__per_cpu_load) + SIZEOF(.data.percpu);
+
+/**
+ * PERCPU - define output section for percpu area, simple version
+ * @align: required alignment
+ *
+ * Align to @align and outputs output section for percpu area. This
+ * macro doesn't maniuplate @vaddr or @phdr and __per_cpu_load and
+ * __per_cpu_start will be identical.
+ *
+ * This macro is equivalent to ALIGN(align); PERCPU_VADDR( , ) except
+ * that __per_cpu_load is defined as a relative symbol against
+ * .data.percpu which is required for relocatable x86_32
+ * configuration.
+ */
#define PERCPU(align) \
. = ALIGN(align); \
- VMLINUX_SYMBOL(__per_cpu_start) = .; \
- .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { \
+ .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { \
+ VMLINUX_SYMBOL(__per_cpu_load) = .; \
+ VMLINUX_SYMBOL(__per_cpu_start) = .; \
+ *(.data.percpu.first) \
*(.data.percpu.page_aligned) \
*(.data.percpu) \
*(.data.percpu.shared_aligned) \
- } \
- VMLINUX_SYMBOL(__per_cpu_end) = .;
+ VMLINUX_SYMBOL(__per_cpu_end) = .; \
+ }
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-23 23:33:00 +0000