summaryrefslogtreecommitdiff
path: root/arch/sparc/include/asm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc/include/asm')
-rw-r--r--arch/sparc/include/asm/compat.h47
-rw-r--r--arch/sparc/include/asm/hardirq_64.h5
-rw-r--r--arch/sparc/include/asm/iommu-common.h53
-rw-r--r--arch/sparc/include/asm/iommu_64.h2
-rw-r--r--arch/sparc/include/asm/pci_32.h4
-rw-r--r--arch/sparc/include/asm/pci_64.h6
6 files changed, 77 insertions, 40 deletions
diff --git a/arch/sparc/include/asm/compat.h b/arch/sparc/include/asm/compat.h
index 615283e16f22..4eb51d2dae98 100644
--- a/arch/sparc/include/asm/compat.h
+++ b/arch/sparc/include/asm/compat.h
@@ -11,7 +11,6 @@
typedef u32 compat_size_t;
typedef s32 compat_ssize_t;
-typedef s32 compat_time_t;
typedef s32 compat_clock_t;
typedef s32 compat_pid_t;
typedef u16 __compat_uid_t;
@@ -39,16 +38,6 @@ typedef u32 compat_ulong_t;
typedef u64 compat_u64;
typedef u32 compat_uptr_t;
-struct compat_timespec {
- compat_time_t tv_sec;
- s32 tv_nsec;
-};
-
-struct compat_timeval {
- compat_time_t tv_sec;
- s32 tv_usec;
-};
-
struct compat_stat {
compat_dev_t st_dev;
compat_ino_t st_ino;
@@ -168,6 +157,7 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr)
return (u32)(unsigned long)uptr;
}
+#ifdef CONFIG_COMPAT
static inline void __user *arch_compat_alloc_user_space(long len)
{
struct pt_regs *regs = current_thread_info()->kregs;
@@ -184,6 +174,7 @@ static inline void __user *arch_compat_alloc_user_space(long len)
return (void __user *) usp;
}
+#endif
struct compat_ipc64_perm {
compat_key_t key;
@@ -201,10 +192,10 @@ struct compat_ipc64_perm {
struct compat_semid64_ds {
struct compat_ipc64_perm sem_perm;
- unsigned int __pad1;
- compat_time_t sem_otime;
- unsigned int __pad2;
- compat_time_t sem_ctime;
+ unsigned int sem_otime_high;
+ unsigned int sem_otime;
+ unsigned int sem_ctime_high;
+ unsigned int sem_ctime;
u32 sem_nsems;
u32 __unused1;
u32 __unused2;
@@ -212,12 +203,12 @@ struct compat_semid64_ds {
struct compat_msqid64_ds {
struct compat_ipc64_perm msg_perm;
- unsigned int __pad1;
- compat_time_t msg_stime;
- unsigned int __pad2;
- compat_time_t msg_rtime;
- unsigned int __pad3;
- compat_time_t msg_ctime;
+ unsigned int msg_stime_high;
+ unsigned int msg_stime;
+ unsigned int msg_rtime_high;
+ unsigned int msg_rtime;
+ unsigned int msg_ctime_high;
+ unsigned int msg_ctime;
unsigned int msg_cbytes;
unsigned int msg_qnum;
unsigned int msg_qbytes;
@@ -229,12 +220,12 @@ struct compat_msqid64_ds {
struct compat_shmid64_ds {
struct compat_ipc64_perm shm_perm;
- unsigned int __pad1;
- compat_time_t shm_atime;
- unsigned int __pad2;
- compat_time_t shm_dtime;
- unsigned int __pad3;
- compat_time_t shm_ctime;
+ unsigned int shm_atime_high;
+ unsigned int shm_atime;
+ unsigned int shm_dtime_high;
+ unsigned int shm_dtime;
+ unsigned int shm_ctime_high;
+ unsigned int shm_ctime;
compat_size_t shm_segsz;
compat_pid_t shm_cpid;
compat_pid_t shm_lpid;
@@ -243,6 +234,7 @@ struct compat_shmid64_ds {
unsigned int __unused2;
};
+#ifdef CONFIG_COMPAT
static inline int is_compat_task(void)
{
return test_thread_flag(TIF_32BIT);
@@ -254,5 +246,6 @@ static inline bool in_compat_syscall(void)
return pt_regs_trap_type(current_pt_regs()) == 0x110;
}
#define in_compat_syscall in_compat_syscall
+#endif
#endif /* _ASM_SPARC64_COMPAT_H */
diff --git a/arch/sparc/include/asm/hardirq_64.h b/arch/sparc/include/asm/hardirq_64.h
index f56540271993..75b92bfe04b5 100644
--- a/arch/sparc/include/asm/hardirq_64.h
+++ b/arch/sparc/include/asm/hardirq_64.h
@@ -10,8 +10,9 @@
#include <asm/cpudata.h>
#define __ARCH_IRQ_STAT
-#define local_softirq_pending() \
- (local_cpu_data().__softirq_pending)
+
+#define local_softirq_pending_ref \
+ __cpu_data.__softirq_pending
void ack_bad_irq(unsigned int irq);
diff --git a/arch/sparc/include/asm/iommu-common.h b/arch/sparc/include/asm/iommu-common.h
new file mode 100644
index 000000000000..802c90c79d1f
--- /dev/null
+++ b/arch/sparc/include/asm/iommu-common.h
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_IOMMU_COMMON_H
+#define _LINUX_IOMMU_COMMON_H
+
+#include <linux/spinlock_types.h>
+#include <linux/device.h>
+#include <asm/page.h>
+
+#define IOMMU_POOL_HASHBITS 4
+#define IOMMU_NR_POOLS (1 << IOMMU_POOL_HASHBITS)
+#define IOMMU_ERROR_CODE (~(unsigned long) 0)
+
+struct iommu_pool {
+ unsigned long start;
+ unsigned long end;
+ unsigned long hint;
+ spinlock_t lock;
+};
+
+struct iommu_map_table {
+ unsigned long table_map_base;
+ unsigned long table_shift;
+ unsigned long nr_pools;
+ void (*lazy_flush)(struct iommu_map_table *);
+ unsigned long poolsize;
+ struct iommu_pool pools[IOMMU_NR_POOLS];
+ u32 flags;
+#define IOMMU_HAS_LARGE_POOL 0x00000001
+#define IOMMU_NO_SPAN_BOUND 0x00000002
+#define IOMMU_NEED_FLUSH 0x00000004
+ struct iommu_pool large_pool;
+ unsigned long *map;
+};
+
+extern void iommu_tbl_pool_init(struct iommu_map_table *iommu,
+ unsigned long num_entries,
+ u32 table_shift,
+ void (*lazy_flush)(struct iommu_map_table *),
+ bool large_pool, u32 npools,
+ bool skip_span_boundary_check);
+
+extern unsigned long iommu_tbl_range_alloc(struct device *dev,
+ struct iommu_map_table *iommu,
+ unsigned long npages,
+ unsigned long *handle,
+ unsigned long mask,
+ unsigned int align_order);
+
+extern void iommu_tbl_range_free(struct iommu_map_table *iommu,
+ u64 dma_addr, unsigned long npages,
+ unsigned long entry);
+
+#endif
diff --git a/arch/sparc/include/asm/iommu_64.h b/arch/sparc/include/asm/iommu_64.h
index 9ed6b54caa4b..0ef6dedf747e 100644
--- a/arch/sparc/include/asm/iommu_64.h
+++ b/arch/sparc/include/asm/iommu_64.h
@@ -17,7 +17,7 @@
#define IOPTE_WRITE 0x0000000000000002UL
#define IOMMU_NUM_CTXS 4096
-#include <linux/iommu-common.h>
+#include <asm/iommu-common.h>
struct iommu_arena {
unsigned long *map;
diff --git a/arch/sparc/include/asm/pci_32.h b/arch/sparc/include/asm/pci_32.h
index 98917e48727d..cfc0ee9476c6 100644
--- a/arch/sparc/include/asm/pci_32.h
+++ b/arch/sparc/include/asm/pci_32.h
@@ -17,10 +17,6 @@
#define PCI_IRQ_NONE 0xffffffff
-/* Dynamic DMA mapping stuff.
- */
-#define PCI_DMA_BUS_IS_PHYS (0)
-
#endif /* __KERNEL__ */
#ifndef CONFIG_LEON_PCI
diff --git a/arch/sparc/include/asm/pci_64.h b/arch/sparc/include/asm/pci_64.h
index 671274e36cfa..fac77813402c 100644
--- a/arch/sparc/include/asm/pci_64.h
+++ b/arch/sparc/include/asm/pci_64.h
@@ -17,12 +17,6 @@
#define PCI_IRQ_NONE 0xffffffff
-/* The PCI address space does not equal the physical memory
- * address space. The networking and block device layers use
- * this boolean for bounce buffer decisions.
- */
-#define PCI_DMA_BUS_IS_PHYS (0)
-
/* PCI IOMMU mapping bypass support. */
/* PCI 64-bit addressing works for all slots on all controller