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-rw-r--r--arch/powerpc/include/asm/Kbuild1
-rw-r--r--arch/powerpc/include/asm/archrandom.h28
-rw-r--r--arch/powerpc/include/asm/compat.h7
-rw-r--r--arch/powerpc/include/asm/machdep.h2
-rw-r--r--arch/powerpc/include/asm/opal-api.h84
-rw-r--r--arch/powerpc/include/asm/opal.h5
-rw-r--r--arch/powerpc/include/asm/pci-bridge.h1
-rw-r--r--arch/powerpc/include/asm/pgtable-ppc64.h8
-rw-r--r--arch/powerpc/include/asm/ppc-pci.h1
-rw-r--r--arch/powerpc/include/asm/reg.h9
-rw-r--r--arch/powerpc/include/asm/rtas.h1
-rw-r--r--arch/powerpc/include/asm/spu_csa.h6
-rw-r--r--arch/powerpc/include/asm/syscall.h54
-rw-r--r--arch/powerpc/include/asm/trace_clock.h19
14 files changed, 178 insertions, 48 deletions
diff --git a/arch/powerpc/include/asm/Kbuild b/arch/powerpc/include/asm/Kbuild
index 050712e1ce41..ab9f4e0ed4cf 100644
--- a/arch/powerpc/include/asm/Kbuild
+++ b/arch/powerpc/include/asm/Kbuild
@@ -6,5 +6,4 @@ generic-y += local64.h
generic-y += mcs_spinlock.h
generic-y += preempt.h
generic-y += rwsem.h
-generic-y += trace_clock.h
generic-y += vtime.h
diff --git a/arch/powerpc/include/asm/archrandom.h b/arch/powerpc/include/asm/archrandom.h
index 0cc6eedc4780..85e88f7a59c0 100644
--- a/arch/powerpc/include/asm/archrandom.h
+++ b/arch/powerpc/include/asm/archrandom.h
@@ -7,14 +7,23 @@
static inline int arch_get_random_long(unsigned long *v)
{
- if (ppc_md.get_random_long)
- return ppc_md.get_random_long(v);
-
return 0;
}
static inline int arch_get_random_int(unsigned int *v)
{
+ return 0;
+}
+
+static inline int arch_get_random_seed_long(unsigned long *v)
+{
+ if (ppc_md.get_random_seed)
+ return ppc_md.get_random_seed(v);
+
+ return 0;
+}
+static inline int arch_get_random_seed_int(unsigned int *v)
+{
unsigned long val;
int rc;
@@ -27,22 +36,13 @@ static inline int arch_get_random_int(unsigned int *v)
static inline int arch_has_random(void)
{
- return !!ppc_md.get_random_long;
-}
-
-static inline int arch_get_random_seed_long(unsigned long *v)
-{
- return 0;
-}
-static inline int arch_get_random_seed_int(unsigned int *v)
-{
return 0;
}
+
static inline int arch_has_random_seed(void)
{
- return 0;
+ return !!ppc_md.get_random_seed;
}
-
#endif /* CONFIG_ARCH_RANDOM */
#ifdef CONFIG_PPC_POWERNV
diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h
index b142b8e0ed9e..4f2df589ec1d 100644
--- a/arch/powerpc/include/asm/compat.h
+++ b/arch/powerpc/include/asm/compat.h
@@ -174,6 +174,13 @@ typedef struct compat_siginfo {
int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
int _fd;
} _sigpoll;
+
+ /* SIGSYS */
+ struct {
+ unsigned int _call_addr; /* calling insn */
+ int _syscall; /* triggering system call number */
+ unsigned int _arch; /* AUDIT_ARCH_* of syscall */
+ } _sigsys;
} _sifields;
} compat_siginfo_t;
diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h
index 952579f5e79a..cab6753f1be5 100644
--- a/arch/powerpc/include/asm/machdep.h
+++ b/arch/powerpc/include/asm/machdep.h
@@ -249,7 +249,7 @@ struct machdep_calls {
#endif
#ifdef CONFIG_ARCH_RANDOM
- int (*get_random_long)(unsigned long *v);
+ int (*get_random_seed)(unsigned long *v);
#endif
};
diff --git a/arch/powerpc/include/asm/opal-api.h b/arch/powerpc/include/asm/opal-api.h
index 442995bacb33..9784c9241c70 100644
--- a/arch/powerpc/include/asm/opal-api.h
+++ b/arch/powerpc/include/asm/opal-api.h
@@ -154,7 +154,10 @@
#define OPAL_FLASH_WRITE 111
#define OPAL_FLASH_ERASE 112
#define OPAL_PRD_MSG 113
-#define OPAL_LAST 113
+#define OPAL_LEDS_GET_INDICATOR 114
+#define OPAL_LEDS_SET_INDICATOR 115
+#define OPAL_CEC_REBOOT2 116
+#define OPAL_LAST 116
/* Device tree flags */
@@ -340,6 +343,18 @@ enum OpalPciResetState {
OPAL_ASSERT_RESET = 1
};
+enum OpalSlotLedType {
+ OPAL_SLOT_LED_TYPE_ID = 0, /* IDENTIFY LED */
+ OPAL_SLOT_LED_TYPE_FAULT = 1, /* FAULT LED */
+ OPAL_SLOT_LED_TYPE_ATTN = 2, /* System Attention LED */
+ OPAL_SLOT_LED_TYPE_MAX = 3
+};
+
+enum OpalSlotLedState {
+ OPAL_SLOT_LED_STATE_OFF = 0, /* LED is OFF */
+ OPAL_SLOT_LED_STATE_ON = 1 /* LED is ON */
+};
+
/*
* Address cycle types for LPC accesses. These also correspond
* to the content of the first cell of the "reg" property for
@@ -437,6 +452,7 @@ struct OpalMemoryErrorData {
/* HMI interrupt event */
enum OpalHMI_Version {
OpalHMIEvt_V1 = 1,
+ OpalHMIEvt_V2 = 2,
};
enum OpalHMI_Severity {
@@ -467,6 +483,49 @@ enum OpalHMI_ErrType {
OpalHMI_ERROR_CAPP_RECOVERY,
};
+enum OpalHMI_XstopType {
+ CHECKSTOP_TYPE_UNKNOWN = 0,
+ CHECKSTOP_TYPE_CORE = 1,
+ CHECKSTOP_TYPE_NX = 2,
+};
+
+enum OpalHMI_CoreXstopReason {
+ CORE_CHECKSTOP_IFU_REGFILE = 0x00000001,
+ CORE_CHECKSTOP_IFU_LOGIC = 0x00000002,
+ CORE_CHECKSTOP_PC_DURING_RECOV = 0x00000004,
+ CORE_CHECKSTOP_ISU_REGFILE = 0x00000008,
+ CORE_CHECKSTOP_ISU_LOGIC = 0x00000010,
+ CORE_CHECKSTOP_FXU_LOGIC = 0x00000020,
+ CORE_CHECKSTOP_VSU_LOGIC = 0x00000040,
+ CORE_CHECKSTOP_PC_RECOV_IN_MAINT_MODE = 0x00000080,
+ CORE_CHECKSTOP_LSU_REGFILE = 0x00000100,
+ CORE_CHECKSTOP_PC_FWD_PROGRESS = 0x00000200,
+ CORE_CHECKSTOP_LSU_LOGIC = 0x00000400,
+ CORE_CHECKSTOP_PC_LOGIC = 0x00000800,
+ CORE_CHECKSTOP_PC_HYP_RESOURCE = 0x00001000,
+ CORE_CHECKSTOP_PC_HANG_RECOV_FAILED = 0x00002000,
+ CORE_CHECKSTOP_PC_AMBI_HANG_DETECTED = 0x00004000,
+ CORE_CHECKSTOP_PC_DEBUG_TRIG_ERR_INJ = 0x00008000,
+ CORE_CHECKSTOP_PC_SPRD_HYP_ERR_INJ = 0x00010000,
+};
+
+enum OpalHMI_NestAccelXstopReason {
+ NX_CHECKSTOP_SHM_INVAL_STATE_ERR = 0x00000001,
+ NX_CHECKSTOP_DMA_INVAL_STATE_ERR_1 = 0x00000002,
+ NX_CHECKSTOP_DMA_INVAL_STATE_ERR_2 = 0x00000004,
+ NX_CHECKSTOP_DMA_CH0_INVAL_STATE_ERR = 0x00000008,
+ NX_CHECKSTOP_DMA_CH1_INVAL_STATE_ERR = 0x00000010,
+ NX_CHECKSTOP_DMA_CH2_INVAL_STATE_ERR = 0x00000020,
+ NX_CHECKSTOP_DMA_CH3_INVAL_STATE_ERR = 0x00000040,
+ NX_CHECKSTOP_DMA_CH4_INVAL_STATE_ERR = 0x00000080,
+ NX_CHECKSTOP_DMA_CH5_INVAL_STATE_ERR = 0x00000100,
+ NX_CHECKSTOP_DMA_CH6_INVAL_STATE_ERR = 0x00000200,
+ NX_CHECKSTOP_DMA_CH7_INVAL_STATE_ERR = 0x00000400,
+ NX_CHECKSTOP_DMA_CRB_UE = 0x00000800,
+ NX_CHECKSTOP_DMA_CRB_SUE = 0x00001000,
+ NX_CHECKSTOP_PBI_ISN_UE = 0x00002000,
+};
+
struct OpalHMIEvent {
uint8_t version; /* 0x00 */
uint8_t severity; /* 0x01 */
@@ -477,6 +536,23 @@ struct OpalHMIEvent {
__be64 hmer;
/* TFMR register. Valid only for TFAC and TFMR_PARITY error type. */
__be64 tfmr;
+
+ /* version 2 and later */
+ union {
+ /*
+ * checkstop info (Core/NX).
+ * Valid for OpalHMI_ERROR_MALFUNC_ALERT.
+ */
+ struct {
+ uint8_t xstop_type; /* enum OpalHMI_XstopType */
+ uint8_t reserved_1[3];
+ __be32 xstop_reason;
+ union {
+ __be32 pir; /* for CHECKSTOP_TYPE_CORE */
+ __be32 chip_id; /* for CHECKSTOP_TYPE_NX */
+ } u;
+ } xstop_error;
+ } u;
};
enum {
@@ -796,6 +872,12 @@ enum OpalSysCooling {
OPAL_SYSCOOL_INSF = 0x0001, /* System insufficient cooling */
};
+/* Argument to OPAL_CEC_REBOOT2() */
+enum {
+ OPAL_REBOOT_NORMAL = 0,
+ OPAL_REBOOT_PLATFORM_ERROR = 1,
+};
+
#endif /* __ASSEMBLY__ */
#endif /* __OPAL_API_H */
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index a091c2701d94..800115910e43 100644
--- a/arch/powerpc/include/asm/opal.h
+++ b/arch/powerpc/include/asm/opal.h
@@ -44,6 +44,7 @@ int64_t opal_tpo_write(uint64_t token, uint32_t year_mon_day,
uint32_t hour_min);
int64_t opal_cec_power_down(uint64_t request);
int64_t opal_cec_reboot(void);
+int64_t opal_cec_reboot2(uint32_t reboot_type, char *diag);
int64_t opal_read_nvram(uint64_t buffer, uint64_t size, uint64_t offset);
int64_t opal_write_nvram(uint64_t buffer, uint64_t size, uint64_t offset);
int64_t opal_handle_interrupt(uint64_t isn, __be64 *outstanding_event_mask);
@@ -196,6 +197,10 @@ int64_t opal_ipmi_recv(uint64_t interface, struct opal_ipmi_msg *msg,
int64_t opal_i2c_request(uint64_t async_token, uint32_t bus_id,
struct opal_i2c_request *oreq);
int64_t opal_prd_msg(struct opal_prd_msg *msg);
+int64_t opal_leds_get_ind(char *loc_code, __be64 *led_mask,
+ __be64 *led_value, __be64 *max_led_type);
+int64_t opal_leds_set_ind(uint64_t token, char *loc_code, const u64 led_mask,
+ const u64 led_value, __be64 *max_led_type);
int64_t opal_flash_read(uint64_t id, uint64_t offset, uint64_t buf,
uint64_t size, uint64_t token);
diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index 712add590445..37fc53587bb4 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -42,6 +42,7 @@ struct pci_controller_ops {
#endif
int (*dma_set_mask)(struct pci_dev *dev, u64 dma_mask);
+ u64 (*dma_get_required_mask)(struct pci_dev *dev);
void (*shutdown)(struct pci_controller *);
};
diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h
index 3bb7488bd24b..fa1dfb7f7b48 100644
--- a/arch/powerpc/include/asm/pgtable-ppc64.h
+++ b/arch/powerpc/include/asm/pgtable-ppc64.h
@@ -134,11 +134,11 @@
#define pte_iterate_hashed_end() } while(0)
-#ifdef CONFIG_PPC_HAS_HASH_64K
-#define pte_pagesize_index(mm, addr, pte) get_slice_psize(mm, addr)
-#else
+/*
+ * We expect this to be called only for user addresses or kernel virtual
+ * addresses other than the linear mapping.
+ */
#define pte_pagesize_index(mm, addr, pte) MMU_PAGE_4K
-#endif
#endif /* __real_pte */
diff --git a/arch/powerpc/include/asm/ppc-pci.h b/arch/powerpc/include/asm/ppc-pci.h
index 4122a86d6858..ca0c5bff7849 100644
--- a/arch/powerpc/include/asm/ppc-pci.h
+++ b/arch/powerpc/include/asm/ppc-pci.h
@@ -61,6 +61,7 @@ int rtas_write_config(struct pci_dn *, int where, int size, u32 val);
int rtas_read_config(struct pci_dn *, int where, int size, u32 *val);
void eeh_pe_state_mark(struct eeh_pe *pe, int state);
void eeh_pe_state_clear(struct eeh_pe *pe, int state);
+void eeh_pe_state_mark_with_cfg(struct eeh_pe *pe, int state);
void eeh_pe_dev_mode_mark(struct eeh_pe *pe, int mode);
void eeh_sysfs_add_device(struct pci_dev *pdev);
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index bb2758819bc9..aa1cc5f015ee 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -1280,6 +1280,15 @@ struct pt_regs;
extern void ppc_save_regs(struct pt_regs *regs);
+static inline void update_power8_hid0(unsigned long hid0)
+{
+ /*
+ * The HID0 update on Power8 should at the very least be
+ * preceded by a a SYNC instruction followed by an ISYNC
+ * instruction
+ */
+ asm volatile("sync; mtspr %0,%1; isync":: "i"(SPRN_HID0), "r"(hid0));
+}
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_REG_H */
diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h
index 7a4ede16b283..b77ef369c0f0 100644
--- a/arch/powerpc/include/asm/rtas.h
+++ b/arch/powerpc/include/asm/rtas.h
@@ -343,6 +343,7 @@ extern void rtas_power_off(void);
extern void rtas_halt(void);
extern void rtas_os_term(char *str);
extern int rtas_get_sensor(int sensor, int index, int *state);
+extern int rtas_get_sensor_fast(int sensor, int index, int *state);
extern int rtas_get_power_level(int powerdomain, int *level);
extern int rtas_set_power_level(int powerdomain, int level, int *setlevel);
extern bool rtas_indicator_present(int token, int *maxindex);
diff --git a/arch/powerpc/include/asm/spu_csa.h b/arch/powerpc/include/asm/spu_csa.h
index a40fd491250c..51f80b41cda3 100644
--- a/arch/powerpc/include/asm/spu_csa.h
+++ b/arch/powerpc/include/asm/spu_csa.h
@@ -241,12 +241,6 @@ struct spu_priv2_collapsed {
*/
struct spu_state {
struct spu_lscsa *lscsa;
-#ifdef CONFIG_SPU_FS_64K_LS
- int use_big_pages;
- /* One struct page per 64k page */
-#define SPU_LSCSA_NUM_BIG_PAGES (sizeof(struct spu_lscsa) / 0x10000)
- struct page *lscsa_pages[SPU_LSCSA_NUM_BIG_PAGES];
-#endif
struct spu_problem_collapsed prob;
struct spu_priv1_collapsed priv1;
struct spu_priv2_collapsed priv2;
diff --git a/arch/powerpc/include/asm/syscall.h b/arch/powerpc/include/asm/syscall.h
index ff21b7a2f0cc..ab9f3f0a8637 100644
--- a/arch/powerpc/include/asm/syscall.h
+++ b/arch/powerpc/include/asm/syscall.h
@@ -22,10 +22,15 @@
extern const unsigned long sys_call_table[];
#endif /* CONFIG_FTRACE_SYSCALLS */
-static inline long syscall_get_nr(struct task_struct *task,
- struct pt_regs *regs)
+static inline int syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
{
- return TRAP(regs) == 0xc00 ? regs->gpr[0] : -1L;
+ /*
+ * Note that we are returning an int here. That means 0xffffffff, ie.
+ * 32-bit negative 1, will be interpreted as -1 on a 64-bit kernel.
+ * This is important for seccomp so that compat tasks can set r0 = -1
+ * to reject the syscall.
+ */
+ return TRAP(regs) == 0xc00 ? regs->gpr[0] : -1;
}
static inline void syscall_rollback(struct task_struct *task,
@@ -34,12 +39,6 @@ static inline void syscall_rollback(struct task_struct *task,
regs->gpr[3] = regs->orig_gpr3;
}
-static inline long syscall_get_error(struct task_struct *task,
- struct pt_regs *regs)
-{
- return (regs->ccr & 0x10000000) ? -regs->gpr[3] : 0;
-}
-
static inline long syscall_get_return_value(struct task_struct *task,
struct pt_regs *regs)
{
@@ -50,9 +49,15 @@ static inline void syscall_set_return_value(struct task_struct *task,
struct pt_regs *regs,
int error, long val)
{
+ /*
+ * In the general case it's not obvious that we must deal with CCR
+ * here, as the syscall exit path will also do that for us. However
+ * there are some places, eg. the signal code, which check ccr to
+ * decide if the value in r3 is actually an error.
+ */
if (error) {
regs->ccr |= 0x10000000L;
- regs->gpr[3] = -error;
+ regs->gpr[3] = error;
} else {
regs->ccr &= ~0x10000000L;
regs->gpr[3] = val;
@@ -64,19 +69,22 @@ static inline void syscall_get_arguments(struct task_struct *task,
unsigned int i, unsigned int n,
unsigned long *args)
{
+ unsigned long val, mask = -1UL;
+
BUG_ON(i + n > 6);
-#ifdef CONFIG_PPC64
- if (test_tsk_thread_flag(task, TIF_32BIT)) {
- /*
- * Zero-extend 32-bit argument values. The high bits are
- * garbage ignored by the actual syscall dispatch.
- */
- while (n-- > 0)
- args[n] = (u32) regs->gpr[3 + i + n];
- return;
- }
+
+#ifdef CONFIG_COMPAT
+ if (test_tsk_thread_flag(task, TIF_32BIT))
+ mask = 0xffffffff;
#endif
- memcpy(args, &regs->gpr[3 + i], n * sizeof(args[0]));
+ while (n--) {
+ if (n == 0 && i == 0)
+ val = regs->orig_gpr3;
+ else
+ val = regs->gpr[3 + i + n];
+
+ args[n] = val & mask;
+ }
}
static inline void syscall_set_arguments(struct task_struct *task,
@@ -86,6 +94,10 @@ static inline void syscall_set_arguments(struct task_struct *task,
{
BUG_ON(i + n > 6);
memcpy(&regs->gpr[3 + i], args, n * sizeof(args[0]));
+
+ /* Also copy the first argument into orig_gpr3 */
+ if (i == 0 && n > 0)
+ regs->orig_gpr3 = args[0];
}
static inline int syscall_get_arch(void)
diff --git a/arch/powerpc/include/asm/trace_clock.h b/arch/powerpc/include/asm/trace_clock.h
new file mode 100644
index 000000000000..cf1ee75ca069
--- /dev/null
+++ b/arch/powerpc/include/asm/trace_clock.h
@@ -0,0 +1,19 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ *
+ * Copyright (C) 2015 Naveen N. Rao, IBM Corporation
+ */
+
+#ifndef _ASM_PPC_TRACE_CLOCK_H
+#define _ASM_PPC_TRACE_CLOCK_H
+
+#include <linux/compiler.h>
+#include <linux/types.h>
+
+extern u64 notrace trace_clock_ppc_tb(void);
+
+#define ARCH_TRACE_CLOCKS { trace_clock_ppc_tb, "ppc-tb", 0 },
+
+#endif /* _ASM_PPC_TRACE_CLOCK_H */
generated by cgit v1.2.3 (git 2.0.4) at 2024-09-12 22:12:16 +0000