diff options
Diffstat (limited to 'arch/powerpc/include')
81 files changed, 1493 insertions, 403 deletions
diff --git a/arch/powerpc/include/asm/8xx_immap.h b/arch/powerpc/include/asm/8xx_immap.h index 6b6dc20b0beb..bdf0563ba423 100644 --- a/arch/powerpc/include/asm/8xx_immap.h +++ b/arch/powerpc/include/asm/8xx_immap.h @@ -393,8 +393,8 @@ typedef struct fec { uint fec_addr_low; /* lower 32 bits of station address */ ushort fec_addr_high; /* upper 16 bits of station address */ ushort res1; /* reserved */ - uint fec_hash_table_high; /* upper 32-bits of hash table */ - uint fec_hash_table_low; /* lower 32-bits of hash table */ + uint fec_grp_hash_table_high; /* upper 32-bits of hash table */ + uint fec_grp_hash_table_low; /* lower 32-bits of hash table */ uint fec_r_des_start; /* beginning of Rx descriptor ring */ uint fec_x_des_start; /* beginning of Tx descriptor ring */ uint fec_r_buff_size; /* Rx buffer size */ diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h index 8a7e9314c68a..f18c6d9b9510 100644 --- a/arch/powerpc/include/asm/bitops.h +++ b/arch/powerpc/include/asm/bitops.h @@ -209,8 +209,8 @@ static __inline__ unsigned long ffz(unsigned long x) return BITS_PER_LONG; /* - * Calculate the bit position of the least signficant '1' bit in x - * (since x has been changed this will actually be the least signficant + * Calculate the bit position of the least significant '1' bit in x + * (since x has been changed this will actually be the least significant * '0' bit in * the original x). Note: (x & -x) gives us a mask that * is the least significant * (RIGHT-most) 1-bit of the value in x. */ @@ -281,68 +281,56 @@ unsigned long __arch_hweight64(__u64 w); /* Little-endian versions */ -static __inline__ int test_le_bit(unsigned long nr, - __const__ unsigned long *addr) +static __inline__ int test_bit_le(unsigned long nr, + __const__ void *addr) { __const__ unsigned char *tmp = (__const__ unsigned char *) addr; return (tmp[nr >> 3] >> (nr & 7)) & 1; } -#define __set_le_bit(nr, addr) \ - __set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr)) -#define __clear_le_bit(nr, addr) \ - __clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr)) +static inline void __set_bit_le(int nr, void *addr) +{ + __set_bit(nr ^ BITOP_LE_SWIZZLE, addr); +} + +static inline void __clear_bit_le(int nr, void *addr) +{ + __clear_bit(nr ^ BITOP_LE_SWIZZLE, addr); +} + +static inline int test_and_set_bit_le(int nr, void *addr) +{ + return test_and_set_bit(nr ^ BITOP_LE_SWIZZLE, addr); +} -#define test_and_set_le_bit(nr, addr) \ - test_and_set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr)) -#define test_and_clear_le_bit(nr, addr) \ - test_and_clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr)) +static inline int test_and_clear_bit_le(int nr, void *addr) +{ + return test_and_clear_bit(nr ^ BITOP_LE_SWIZZLE, addr); +} + +static inline int __test_and_set_bit_le(int nr, void *addr) +{ + return __test_and_set_bit(nr ^ BITOP_LE_SWIZZLE, addr); +} -#define __test_and_set_le_bit(nr, addr) \ - __test_and_set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr)) -#define __test_and_clear_le_bit(nr, addr) \ - __test_and_clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr)) +static inline int __test_and_clear_bit_le(int nr, void *addr) +{ + return __test_and_clear_bit(nr ^ BITOP_LE_SWIZZLE, addr); +} -#define find_first_zero_le_bit(addr, size) generic_find_next_zero_le_bit((addr), (size), 0) -unsigned long generic_find_next_zero_le_bit(const unsigned long *addr, +#define find_first_zero_bit_le(addr, size) \ + find_next_zero_bit_le((addr), (size), 0) +unsigned long find_next_zero_bit_le(const void *addr, unsigned long size, unsigned long offset); -unsigned long generic_find_next_le_bit(const unsigned long *addr, +unsigned long find_next_bit_le(const void *addr, unsigned long size, unsigned long offset); /* Bitmap functions for the ext2 filesystem */ -#define ext2_set_bit(nr,addr) \ - __test_and_set_le_bit((nr), (unsigned long*)addr) -#define ext2_clear_bit(nr, addr) \ - __test_and_clear_le_bit((nr), (unsigned long*)addr) - #define ext2_set_bit_atomic(lock, nr, addr) \ - test_and_set_le_bit((nr), (unsigned long*)addr) + test_and_set_bit_le((nr), (unsigned long*)addr) #define ext2_clear_bit_atomic(lock, nr, addr) \ - test_and_clear_le_bit((nr), (unsigned long*)addr) - -#define ext2_test_bit(nr, addr) test_le_bit((nr),(unsigned long*)addr) - -#define ext2_find_first_zero_bit(addr, size) \ - find_first_zero_le_bit((unsigned long*)addr, size) -#define ext2_find_next_zero_bit(addr, size, off) \ - generic_find_next_zero_le_bit((unsigned long*)addr, size, off) - -#define ext2_find_next_bit(addr, size, off) \ - generic_find_next_le_bit((unsigned long *)addr, size, off) -/* Bitmap functions for the minix filesystem. */ - -#define minix_test_and_set_bit(nr,addr) \ - __test_and_set_le_bit(nr, (unsigned long *)addr) -#define minix_set_bit(nr,addr) \ - __set_le_bit(nr, (unsigned long *)addr) -#define minix_test_and_clear_bit(nr,addr) \ - __test_and_clear_le_bit(nr, (unsigned long *)addr) -#define minix_test_bit(nr,addr) \ - test_le_bit(nr, (unsigned long *)addr) - -#define minix_find_first_zero_bit(addr,size) \ - find_first_zero_le_bit((unsigned long *)addr, size) + test_and_clear_bit_le((nr), (unsigned long*)addr) #include <asm-generic/bitops/sched.h> diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h index 2296112e247b..91010e8f8479 100644 --- a/arch/powerpc/include/asm/compat.h +++ b/arch/powerpc/include/asm/compat.h @@ -140,7 +140,7 @@ static inline void __user *arch_compat_alloc_user_space(long len) unsigned long usp = regs->gpr[1]; /* - * We cant access below the stack pointer in the 32bit ABI and + * We can't access below the stack pointer in the 32bit ABI and * can access 288 bytes in the 64bit ABI */ if (!is_32bit_task()) diff --git a/arch/powerpc/include/asm/cpm.h b/arch/powerpc/include/asm/cpm.h index e50323fe941f..4398a6cdcf53 100644 --- a/arch/powerpc/include/asm/cpm.h +++ b/arch/powerpc/include/asm/cpm.h @@ -98,7 +98,7 @@ typedef struct cpm_buf_desc { #define BD_SC_INTRPT (0x1000) /* Interrupt on change */ #define BD_SC_LAST (0x0800) /* Last buffer in frame */ #define BD_SC_TC (0x0400) /* Transmit CRC */ -#define BD_SC_CM (0x0200) /* Continous mode */ +#define BD_SC_CM (0x0200) /* Continuous mode */ #define BD_SC_ID (0x0100) /* Rec'd too many idles */ #define BD_SC_P (0x0100) /* xmt preamble */ #define BD_SC_BR (0x0020) /* Break received */ diff --git a/arch/powerpc/include/asm/cpm1.h b/arch/powerpc/include/asm/cpm1.h index bd07650dca56..8ee4211ca0c6 100644 --- a/arch/powerpc/include/asm/cpm1.h +++ b/arch/powerpc/include/asm/cpm1.h @@ -4,7 +4,7 @@ * * This file contains structures and information for the communication * processor channels. Some CPM control and status is available - * throught the MPC8xx internal memory map. See immap.h for details. + * through the MPC8xx internal memory map. See immap.h for details. * This file only contains what I need for the moment, not the total * CPM capabilities. I (or someone else) will add definitions as they * are needed. -- Dan diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index f0a211d96923..c0d842cfd012 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -154,8 +154,10 @@ extern const char *powerpc_base_platform; #define CPU_FTR_NAP_DISABLE_L2_PR ASM_CONST(0x0000000000002000) #define CPU_FTR_DUAL_PLL_750FX ASM_CONST(0x0000000000004000) #define CPU_FTR_NO_DPM ASM_CONST(0x0000000000008000) +#define CPU_FTR_476_DD2 ASM_CONST(0x0000000000010000) #define CPU_FTR_NEED_COHERENT ASM_CONST(0x0000000000020000) #define CPU_FTR_NO_BTIC ASM_CONST(0x0000000000040000) +#define CPU_FTR_DEBUG_LVL_EXC ASM_CONST(0x0000000000080000) #define CPU_FTR_NODSISRALIGN ASM_CONST(0x0000000000100000) #define CPU_FTR_PPC_LE ASM_CONST(0x0000000000200000) #define CPU_FTR_REAL_LE ASM_CONST(0x0000000000400000) @@ -177,22 +179,18 @@ extern const char *powerpc_base_platform; #define LONG_ASM_CONST(x) 0 #endif -#define CPU_FTR_SLB LONG_ASM_CONST(0x0000000100000000) -#define CPU_FTR_16M_PAGE LONG_ASM_CONST(0x0000000200000000) -#define CPU_FTR_TLBIEL LONG_ASM_CONST(0x0000000400000000) + +#define CPU_FTR_HVMODE_206 LONG_ASM_CONST(0x0000000800000000) +#define CPU_FTR_CFAR LONG_ASM_CONST(0x0000001000000000) #define CPU_FTR_IABR LONG_ASM_CONST(0x0000002000000000) #define CPU_FTR_MMCRA LONG_ASM_CONST(0x0000004000000000) #define CPU_FTR_CTRL LONG_ASM_CONST(0x0000008000000000) #define CPU_FTR_SMT LONG_ASM_CONST(0x0000010000000000) -#define CPU_FTR_LOCKLESS_TLBIE LONG_ASM_CONST(0x0000040000000000) -#define CPU_FTR_CI_LARGE_PAGE LONG_ASM_CONST(0x0000100000000000) #define CPU_FTR_PAUSE_ZERO LONG_ASM_CONST(0x0000200000000000) #define CPU_FTR_PURR LONG_ASM_CONST(0x0000400000000000) #define CPU_FTR_CELL_TB_BUG LONG_ASM_CONST(0x0000800000000000) #define CPU_FTR_SPURR LONG_ASM_CONST(0x0001000000000000) #define CPU_FTR_DSCR LONG_ASM_CONST(0x0002000000000000) -#define CPU_FTR_1T_SEGMENT LONG_ASM_CONST(0x0004000000000000) -#define CPU_FTR_NO_SLBIE_B LONG_ASM_CONST(0x0008000000000000) #define CPU_FTR_VSX LONG_ASM_CONST(0x0010000000000000) #define CPU_FTR_SAO LONG_ASM_CONST(0x0020000000000000) #define CPU_FTR_CP_USE_DCBTZ LONG_ASM_CONST(0x0040000000000000) @@ -201,12 +199,14 @@ extern const char *powerpc_base_platform; #define CPU_FTR_STCX_CHECKS_ADDRESS LONG_ASM_CONST(0x0200000000000000) #define CPU_FTR_POPCNTB LONG_ASM_CONST(0x0400000000000000) #define CPU_FTR_POPCNTD LONG_ASM_CONST(0x0800000000000000) +#define CPU_FTR_ICSWX LONG_ASM_CONST(0x1000000000000000) #ifndef __ASSEMBLY__ -#define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_SLB | \ - CPU_FTR_TLBIEL | CPU_FTR_NOEXECUTE | \ - CPU_FTR_NODSISRALIGN | CPU_FTR_16M_PAGE) +#define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_NOEXECUTE | CPU_FTR_NODSISRALIGN) + +#define MMU_FTR_PPCAS_ARCH_V2 (MMU_FTR_SLB | MMU_FTR_TLBIEL | \ + MMU_FTR_16M_PAGE) /* We only set the altivec features if the kernel was compiled with altivec * support @@ -381,10 +381,13 @@ extern const char *powerpc_base_platform; #define CPU_FTRS_E500_2 (CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \ CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | \ CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE) -#define CPU_FTRS_E500MC (CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \ - CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NODSISRALIGN | \ +#define CPU_FTRS_E500MC (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN | \ CPU_FTR_L2CSR | CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \ CPU_FTR_DBELL) +#define CPU_FTRS_E5500 (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN | \ + CPU_FTR_L2CSR | CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \ + CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ + CPU_FTR_DEBUG_LVL_EXC) #define CPU_FTRS_GENERIC_32 (CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN) /* 64-bit CPUs */ @@ -404,41 +407,46 @@ extern const char *powerpc_base_platform; #define CPU_FTRS_POWER5 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ CPU_FTR_MMCRA | CPU_FTR_SMT | \ - CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \ - CPU_FTR_PURR | CPU_FTR_STCX_CHECKS_ADDRESS | \ - CPU_FTR_POPCNTB) + CPU_FTR_COHERENT_ICACHE | CPU_FTR_PURR | \ + CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB) #define CPU_FTRS_POWER6 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ CPU_FTR_MMCRA | CPU_FTR_SMT | \ - CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \ + CPU_FTR_COHERENT_ICACHE | \ CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \ CPU_FTR_DSCR | CPU_FTR_UNALIGNED_LD_STD | \ - CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB) + CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_CFAR) #define CPU_FTRS_POWER7 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ - CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ + CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_HVMODE_206 |\ CPU_FTR_MMCRA | CPU_FTR_SMT | \ - CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \ + CPU_FTR_COHERENT_ICACHE | \ CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \ CPU_FTR_DSCR | CPU_FTR_SAO | CPU_FTR_ASYM_SMT | \ - CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD) + CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ + CPU_FTR_ICSWX | CPU_FTR_CFAR) #define CPU_FTRS_CELL (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \ - CPU_FTR_PAUSE_ZERO | CPU_FTR_CI_LARGE_PAGE | \ - CPU_FTR_CELL_TB_BUG | CPU_FTR_CP_USE_DCBTZ | \ + CPU_FTR_PAUSE_ZERO | CPU_FTR_CELL_TB_BUG | CPU_FTR_CP_USE_DCBTZ | \ CPU_FTR_UNALIGNED_LD_STD) #define CPU_FTRS_PA6T (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ - CPU_FTR_PPCAS_ARCH_V2 | \ - CPU_FTR_ALTIVEC_COMP | CPU_FTR_CI_LARGE_PAGE | \ - CPU_FTR_PURR | CPU_FTR_REAL_LE | CPU_FTR_NO_SLBIE_B) + CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP | \ + CPU_FTR_PURR | CPU_FTR_REAL_LE) #define CPU_FTRS_COMPATIBLE (CPU_FTR_USE_TB | CPU_FTR_PPCAS_ARCH_V2) +#define CPU_FTRS_A2 (CPU_FTR_USE_TB | CPU_FTR_SMT | CPU_FTR_DBELL | \ + CPU_FTR_NOEXECUTE | CPU_FTR_NODSISRALIGN) + #ifdef __powerpc64__ +#ifdef CONFIG_PPC_BOOK3E +#define CPU_FTRS_POSSIBLE (CPU_FTRS_E5500 | CPU_FTRS_A2) +#else #define CPU_FTRS_POSSIBLE \ (CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 | \ CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | CPU_FTRS_POWER6 | \ CPU_FTRS_POWER7 | CPU_FTRS_CELL | CPU_FTRS_PA6T | \ - CPU_FTR_1T_SEGMENT | CPU_FTR_VSX) + CPU_FTR_VSX) +#endif #else enum { CPU_FTRS_POSSIBLE = @@ -465,23 +473,28 @@ enum { CPU_FTRS_44X | CPU_FTRS_440x6 | #endif #ifdef CONFIG_PPC_47x - CPU_FTRS_47X | + CPU_FTRS_47X | CPU_FTR_476_DD2 | #endif #ifdef CONFIG_E200 CPU_FTRS_E200 | #endif #ifdef CONFIG_E500 CPU_FTRS_E500 | CPU_FTRS_E500_2 | CPU_FTRS_E500MC | + CPU_FTRS_E5500 | #endif 0, }; #endif /* __powerpc64__ */ #ifdef __powerpc64__ +#ifdef CONFIG_PPC_BOOK3E +#define CPU_FTRS_ALWAYS (CPU_FTRS_E5500 & CPU_FTRS_A2) +#else #define CPU_FTRS_ALWAYS \ (CPU_FTRS_POWER3 & CPU_FTRS_RS64 & CPU_FTRS_POWER4 & \ CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & CPU_FTRS_POWER6 & \ CPU_FTRS_POWER7 & CPU_FTRS_CELL & CPU_FTRS_PA6T & CPU_FTRS_POSSIBLE) +#endif #else enum { CPU_FTRS_ALWAYS = @@ -512,6 +525,7 @@ enum { #endif #ifdef CONFIG_E500 CPU_FTRS_E500 & CPU_FTRS_E500_2 & CPU_FTRS_E500MC & + CPU_FTRS_E5500 & #endif CPU_FTRS_POSSIBLE, }; diff --git a/arch/powerpc/include/asm/cputhreads.h b/arch/powerpc/include/asm/cputhreads.h index f71bb4c118b4..ce516e5eb0d3 100644 --- a/arch/powerpc/include/asm/cputhreads.h +++ b/arch/powerpc/include/asm/cputhreads.h @@ -37,16 +37,16 @@ extern cpumask_t threads_core_mask; * This can typically be used for things like IPI for tlb invalidations * since those need to be done only once per core/TLB */ -static inline cpumask_t cpu_thread_mask_to_cores(cpumask_t threads) +static inline cpumask_t cpu_thread_mask_to_cores(const struct cpumask *threads) { cpumask_t tmp, res; int i; - res = CPU_MASK_NONE; + cpumask_clear(&res); for (i = 0; i < NR_CPUS; i += threads_per_core) { - cpus_shift_left(tmp, threads_core_mask, i); - if (cpus_intersects(threads, tmp)) - cpu_set(i, res); + cpumask_shift_left(&tmp, &threads_core_mask, i); + if (cpumask_intersects(threads, &tmp)) + cpumask_set_cpu(i, &res); } return res; } @@ -58,7 +58,7 @@ static inline int cpu_nr_cores(void) static inline cpumask_t cpu_online_cores_map(void) { - return cpu_thread_mask_to_cores(cpu_online_map); + return cpu_thread_mask_to_cores(cpu_online_mask); } #ifdef CONFIG_SMP diff --git a/arch/powerpc/include/asm/dbell.h b/arch/powerpc/include/asm/dbell.h index 0893ab9343a6..9c70d0ca96d4 100644 --- a/arch/powerpc/include/asm/dbell.h +++ b/arch/powerpc/include/asm/dbell.h @@ -27,9 +27,8 @@ enum ppc_dbell { PPC_G_DBELL_MC = 4, /* guest mcheck doorbell */ }; -extern void doorbell_message_pass(int target, int msg); +extern void doorbell_cause_ipi(int cpu, unsigned long data); extern void doorbell_exception(struct pt_regs *regs); -extern void doorbell_check_self(void); extern void doorbell_setup_this_cpu(void); static inline void ppc_msgsnd(enum ppc_dbell type, u32 flags, u32 tag) diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h index 6d2416a85709..dd70fac57ec8 100644 --- a/arch/powerpc/include/asm/dma-mapping.h +++ b/arch/powerpc/include/asm/dma-mapping.h @@ -42,6 +42,7 @@ extern void __dma_free_coherent(size_t size, void *vaddr); extern void __dma_sync(void *vaddr, size_t size, int direction); extern void __dma_sync_page(struct page *page, unsigned long offset, size_t size, int direction); +extern unsigned long __dma_get_coherent_pfn(unsigned long cpu_addr); #else /* ! CONFIG_NOT_COHERENT_CACHE */ /* @@ -198,6 +199,11 @@ static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr) #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) +extern int dma_mmap_coherent(struct device *, struct vm_area_struct *, + void *, dma_addr_t, size_t); +#define ARCH_HAS_DMA_MMAP_COHERENT + + static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction) { diff --git a/arch/powerpc/include/asm/emulated_ops.h b/arch/powerpc/include/asm/emulated_ops.h index f0fb4fc1f6e6..45921672b97a 100644 --- a/arch/powerpc/include/asm/emulated_ops.h +++ b/arch/powerpc/include/asm/emulated_ops.h @@ -52,6 +52,10 @@ extern struct ppc_emulated { #ifdef CONFIG_VSX struct ppc_emulated_entry vsx; #endif +#ifdef CONFIG_PPC64 + struct ppc_emulated_entry mfdscr; + struct ppc_emulated_entry mtdscr; +#endif } ppc_emulated; extern u32 ppc_warn_emulated; diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h index 7778d6f0c878..f5dfe3411f64 100644 --- a/arch/powerpc/include/asm/exception-64s.h +++ b/arch/powerpc/include/asm/exception-64s.h @@ -46,6 +46,7 @@ #define EX_CCR 60 #define EX_R3 64 #define EX_LR 72 +#define EX_CFAR 80 /* * We're short on space and time in the exception prolog, so we can't @@ -56,30 +57,40 @@ #define LOAD_HANDLER(reg, label) \ addi reg,reg,(label)-_stext; /* virt addr of handler ... */ -#define EXCEPTION_PROLOG_1(area) \ - mfspr r13,SPRN_SPRG_PACA; /* get paca address into r13 */ \ +/* Exception register prefixes */ +#define EXC_HV H +#define EXC_STD + +#define EXCEPTION_PROLOG_1(area) \ + GET_PACA(r13); \ std r9,area+EX_R9(r13); /* save r9 - r12 */ \ std r10,area+EX_R10(r13); \ std r11,area+EX_R11(r13); \ std r12,area+EX_R12(r13); \ - mfspr r9,SPRN_SPRG_SCRATCH0; \ + BEGIN_FTR_SECTION_NESTED(66); \ + mfspr r10,SPRN_CFAR; \ + std r10,area+EX_CFAR(r13); \ + END_FTR_SECTION_NESTED(CPU_FTR_CFAR, CPU_FTR_CFAR, 66); \ + GET_SCRATCH0(r9); \ std r9,area+EX_R13(r13); \ mfcr r9 -#define EXCEPTION_PROLOG_PSERIES_1(label) \ +#define __EXCEPTION_PROLOG_PSERIES_1(label, h) \ ld r12,PACAKBASE(r13); /* get high part of &label */ \ ld r10,PACAKMSR(r13); /* get MSR value for kernel */ \ - mfspr r11,SPRN_SRR0; /* save SRR0 */ \ + mfspr r11,SPRN_##h##SRR0; /* save SRR0 */ \ LOAD_HANDLER(r12,label) \ - mtspr SPRN_SRR0,r12; \ - mfspr r12,SPRN_SRR1; /* and SRR1 */ \ - mtspr SPRN_SRR1,r10; \ - rfid; \ + mtspr SPRN_##h##SRR0,r12; \ + mfspr r12,SPRN_##h##SRR1; /* and SRR1 */ \ + mtspr SPRN_##h##SRR1,r10; \ + h##rfid; \ b . /* prevent speculative execution */ +#define EXCEPTION_PROLOG_PSERIES_1(label, h) \ + __EXCEPTION_PROLOG_PSERIES_1(label, h) -#define EXCEPTION_PROLOG_PSERIES(area, label) \ +#define EXCEPTION_PROLOG_PSERIES(area, label, h) \ EXCEPTION_PROLOG_1(area); \ - EXCEPTION_PROLOG_PSERIES_1(label); + EXCEPTION_PROLOG_PSERIES_1(label, h); /* * The common exception prolog is used for all except a few exceptions @@ -98,10 +109,11 @@ beq- 1f; \ ld r1,PACAKSAVE(r13); /* kernel stack to use */ \ 1: cmpdi cr1,r1,0; /* check if r1 is in userspace */ \ - bge- cr1,2f; /* abort if it is */ \ - b 3f; \ -2: li r1,(n); /* will be reloaded later */ \ + blt+ cr1,3f; /* abort if it is */ \ + li r1,(n); /* will be reloaded later */ \ sth r1,PACA_TRAP_SAVE(r13); \ + std r3,area+EX_R3(r13); \ + addi r3,r13,area; /* r3 -> where regs are saved*/ \ b bad_stack; \ 3: std r9,_CCR(r1); /* save CR in stackframe */ \ std r11,_NIP(r1); /* save SRR0 in stackframe */ \ @@ -123,6 +135,10 @@ std r9,GPR11(r1); \ std r10,GPR12(r1); \ std r11,GPR13(r1); \ + BEGIN_FTR_SECTION_NESTED(66); \ + ld r10,area+EX_CFAR(r13); \ + std r10,ORIG_GPR3(r1); \ + END_FTR_SECTION_NESTED(CPU_FTR_CFAR, CPU_FTR_CFAR, 66); \ ld r2,PACATOC(r13); /* get kernel TOC into r2 */ \ mflr r9; /* save LR in stackframe */ \ std r9,_LINK(r1); \ @@ -143,57 +159,62 @@ /* * Exception vectors. */ -#define STD_EXCEPTION_PSERIES(n, label) \ - . = n; \ +#define STD_EXCEPTION_PSERIES(loc, vec, label) \ + . = loc; \ .globl label##_pSeries; \ label##_pSeries: \ HMT_MEDIUM; \ - DO_KVM n; \ - mtspr SPRN_SPRG_SCRATCH0,r13; /* save r13 */ \ - EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common) + DO_KVM vec; \ + SET_SCRATCH0(r13); /* save r13 */ \ + EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common, EXC_STD) -#define HSTD_EXCEPTION_PSERIES(n, label) \ - . = n; \ - .globl label##_pSeries; \ -label##_pSeries: \ +#define STD_EXCEPTION_HV(loc, vec, label) \ + . = loc; \ + .globl label##_hv; \ +label##_hv: \ HMT_MEDIUM; \ - mtspr SPRN_SPRG_SCRATCH0,r20; /* save r20 */ \ - mfspr r20,SPRN_HSRR0; /* copy HSRR0 to SRR0 */ \ - mtspr SPRN_SRR0,r20; \ - mfspr r20,SPRN_HSRR1; /* copy HSRR0 to SRR0 */ \ - mtspr SPRN_SRR1,r20; \ - mfspr r20,SPRN_SPRG_SCRATCH0; /* restore r20 */ \ - mtspr SPRN_SPRG_SCRATCH0,r13; /* save r13 */ \ - EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common) + DO_KVM vec; \ + SET_SCRATCH0(r13); /* save r13 */ \ + EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common, EXC_HV) - -#define MASKABLE_EXCEPTION_PSERIES(n, label) \ - . = n; \ - .globl label##_pSeries; \ -label##_pSeries: \ +#define __MASKABLE_EXCEPTION_PSERIES(vec, label, h) \ HMT_MEDIUM; \ - DO_KVM n; \ - mtspr SPRN_SPRG_SCRATCH0,r13; /* save r13 */ \ - mfspr r13,SPRN_SPRG_PACA; /* get paca address into r13 */ \ + DO_KVM vec; \ + SET_SCRATCH0(r13); /* save r13 */ \ + GET_PACA(r13); \ std r9,PACA_EXGEN+EX_R9(r13); /* save r9, r10 */ \ std r10,PACA_EXGEN+EX_R10(r13); \ lbz r10,PACASOFTIRQEN(r13); \ mfcr r9; \ cmpwi r10,0; \ - beq masked_interrupt; \ - mfspr r10,SPRN_SPRG_SCRATCH0; \ + beq masked_##h##interrupt; \ + GET_SCRATCH0(r10); \ std r10,PACA_EXGEN+EX_R13(r13); \ std r11,PACA_EXGEN+EX_R11(r13); \ std r12,PACA_EXGEN+EX_R12(r13); \ ld r12,PACAKBASE(r13); /* get high part of &label */ \ ld r10,PACAKMSR(r13); /* get MSR value for kernel */ \ - mfspr r11,SPRN_SRR0; /* save SRR0 */ \ + mfspr r11,SPRN_##h##SRR0; /* save SRR0 */ \ LOAD_HANDLER(r12,label##_common) \ - mtspr SPRN_SRR0,r12; \ - mfspr r12,SPRN_SRR1; /* and SRR1 */ \ - mtspr SPRN_SRR1,r10; \ - rfid; \ + mtspr SPRN_##h##SRR0,r12; \ + mfspr r12,SPRN_##h##SRR1; /* and SRR1 */ \ + mtspr SPRN_##h##SRR1,r10; \ + h##rfid; \ b . /* prevent speculative execution */ +#define _MASKABLE_EXCEPTION_PSERIES(vec, label, h) \ + __MASKABLE_EXCEPTION_PSERIES(vec, label, h) + +#define MASKABLE_EXCEPTION_PSERIES(loc, vec, label) \ + . = loc; \ + .globl label##_pSeries; \ +label##_pSeries: \ + _MASKABLE_EXCEPTION_PSERIES(vec, label, EXC_STD) + +#define MASKABLE_EXCEPTION_HV(loc, vec, label) \ + . = loc; \ + .globl label##_hv; \ +label##_hv: \ + _MASKABLE_EXCEPTION_PSERIES(vec, label, EXC_HV) #ifdef CONFIG_PPC_ISERIES #define DISABLE_INTS \ diff --git a/arch/powerpc/include/asm/feature-fixups.h b/arch/powerpc/include/asm/feature-fixups.h index 921a8470e18a..9a67a38bf7b9 100644 --- a/arch/powerpc/include/asm/feature-fixups.h +++ b/arch/powerpc/include/asm/feature-fixups.h @@ -49,7 +49,7 @@ label##5: \ FTR_ENTRY_OFFSET label##2b-label##5b; \ FTR_ENTRY_OFFSET label##3b-label##5b; \ FTR_ENTRY_OFFSET label##4b-label##5b; \ - .ifgt (label##4b-label##3b)-(label##2b-label##1b); \ + .ifgt (label##4b- label##3b)-(label##2b- label##1b); \ .error "Feature section else case larger than body"; \ .endif; \ .popsection; @@ -146,6 +146,19 @@ label##5: \ #ifndef __ASSEMBLY__ +#define ASM_FTR_IF(section_if, section_else, msk, val) \ + stringify_in_c(BEGIN_FTR_SECTION) \ + section_if "; " \ + stringify_in_c(FTR_SECTION_ELSE) \ + section_else "; " \ + stringify_in_c(ALT_FTR_SECTION_END((msk), (val))) + +#define ASM_FTR_IFSET(section_if, section_else, msk) \ + ASM_FTR_IF(section_if, section_else, (msk), (msk)) + +#define ASM_FTR_IFCLR(section_if, section_else, msk) \ + ASM_FTR_IF(section_if, section_else, (msk), 0) + #define ASM_MMU_FTR_IF(section_if, section_else, msk, val) \ stringify_in_c(BEGIN_MMU_FTR_SECTION) \ section_if "; " \ diff --git a/arch/powerpc/include/asm/firmware.h b/arch/powerpc/include/asm/firmware.h index 4ef662e4a31d..3a6c586c4e40 100644 --- a/arch/powerpc/include/asm/firmware.h +++ b/arch/powerpc/include/asm/firmware.h @@ -47,6 +47,7 @@ #define FW_FEATURE_BEAT ASM_CONST(0x0000000001000000) #define FW_FEATURE_CMO ASM_CONST(0x0000000002000000) #define FW_FEATURE_VPHN ASM_CONST(0x0000000004000000) +#define FW_FEATURE_XCMO ASM_CONST(0x0000000008000000) #ifndef __ASSEMBLY__ @@ -60,7 +61,7 @@ enum { FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN | FW_FEATURE_BULK_REMOVE | FW_FEATURE_XDABR | FW_FEATURE_MULTITCE | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR | - FW_FEATURE_CMO | FW_FEATURE_VPHN, + FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO, FW_FEATURE_PSERIES_ALWAYS = 0, FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES | FW_FEATURE_LPAR, FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES | FW_FEATURE_LPAR, diff --git a/arch/powerpc/include/asm/fsl_lbc.h b/arch/powerpc/include/asm/fsl_lbc.h index 5c1bf3466749..8a0b5ece8f76 100644 --- a/arch/powerpc/include/asm/fsl_lbc.h +++ b/arch/powerpc/include/asm/fsl_lbc.h @@ -157,6 +157,8 @@ struct fsl_lbc_regs { #define LBCR_EPAR_SHIFT 16 #define LBCR_BMT 0x0000FF00 #define LBCR_BMT_SHIFT 8 +#define LBCR_BMTPS 0x0000000F +#define LBCR_BMTPS_SHIFT 0 #define LBCR_INIT 0x00040000 __be32 lcrr; /**< Clock Ratio Register */ #define LCRR_DBYP 0x80000000 diff --git a/arch/powerpc/include/asm/ftrace.h b/arch/powerpc/include/asm/ftrace.h index dde1296b8b41..169d039ed402 100644 --- a/arch/powerpc/include/asm/ftrace.h +++ b/arch/powerpc/include/asm/ftrace.h @@ -60,4 +60,18 @@ struct dyn_arch_ftrace { #endif +#if defined(CONFIG_FTRACE_SYSCALLS) && defined(CONFIG_PPC64) && !defined(__ASSEMBLY__) +#define ARCH_HAS_SYSCALL_MATCH_SYM_NAME +static inline bool arch_syscall_match_sym_name(const char *sym, const char *name) +{ + /* + * Compare the symbol name with the system call name. Skip the .sys or .SyS + * prefix from the symbol name and the sys prefix from the system call name and + * just match the rest. This is only needed on ppc64 since symbol names on + * 32bit do not start with a period so the generic function will work. + */ + return !strcmp(sym + 4, name + 3); +} +#endif /* CONFIG_FTRACE_SYSCALLS && CONFIG_PPC64 && !__ASSEMBLY__ */ + #endif /* _ASM_POWERPC_FTRACE */ diff --git a/arch/powerpc/include/asm/futex.h b/arch/powerpc/include/asm/futex.h index 7c589ef81fb0..c94e4a3fe2ef 100644 --- a/arch/powerpc/include/asm/futex.h +++ b/arch/powerpc/include/asm/futex.h @@ -30,7 +30,7 @@ : "b" (uaddr), "i" (-EFAULT), "r" (oparg) \ : "cr0", "memory") -static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr) +static inline int futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr) { int op = (encoded_op >> 28) & 7; int cmp = (encoded_op >> 24) & 15; @@ -40,7 +40,7 @@ static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr) if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) oparg = 1 << oparg; - if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int))) + if (! access_ok (VERIFY_WRITE, uaddr, sizeof(u32))) return -EFAULT; pagefault_disable(); @@ -82,35 +82,38 @@ static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr) } static inline int -futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) +futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, + u32 oldval, u32 newval) { - int prev; + int ret = 0; + u32 prev; - if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) + if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))) return -EFAULT; __asm__ __volatile__ ( PPC_RELEASE_BARRIER -"1: lwarx %0,0,%2 # futex_atomic_cmpxchg_inatomic\n\ - cmpw 0,%0,%3\n\ +"1: lwarx %1,0,%3 # futex_atomic_cmpxchg_inatomic\n\ + cmpw 0,%1,%4\n\ bne- 3f\n" - PPC405_ERR77(0,%2) -"2: stwcx. %4,0,%2\n\ + PPC405_ERR77(0,%3) +"2: stwcx. %5,0,%3\n\ bne- 1b\n" PPC_ACQUIRE_BARRIER "3: .section .fixup,\"ax\"\n\ -4: li %0,%5\n\ +4: li %0,%6\n\ b 3b\n\ .previous\n\ .section __ex_table,\"a\"\n\ .align 3\n\ " PPC_LONG "1b,4b,2b,4b\n\ .previous" \ - : "=&r" (prev), "+m" (*uaddr) + : "+r" (ret), "=&r" (prev), "+m" (*uaddr) : "r" (uaddr), "r" (oldval), "r" (newval), "i" (-EFAULT) : "cc", "memory"); - return prev; + *uval = prev; + return ret; } #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h index ec089acfa56b..fd8201dddd4b 100644 --- a/arch/powerpc/include/asm/hvcall.h +++ b/arch/powerpc/include/asm/hvcall.h @@ -102,6 +102,7 @@ #define H_ANDCOND (1UL<<(63-33)) #define H_ICACHE_INVALIDATE (1UL<<(63-40)) /* icbi, etc. (ignored for IO pages) */ #define H_ICACHE_SYNCHRONIZE (1UL<<(63-41)) /* dcbst, icbi, etc (ignored for IO pages */ +#define H_COALESCE_CAND (1UL<<(63-42)) /* page is a good candidate for coalescing */ #define H_ZERO_PAGE (1UL<<(63-48)) /* zero the page before mapping (ignored for IO pages) */ #define H_COPY_PAGE (1UL<<(63-49)) #define H_N (1UL<<(63-61)) @@ -122,7 +123,7 @@ #define H_DABRX_KERNEL (1UL<<(63-62)) #define H_DABRX_USER (1UL<<(63-63)) -/* Each control block has to be on a 4K bondary */ +/* Each control block has to be on a 4K boundary */ #define H_CB_ALIGNMENT 4096 /* pSeries hypervisor opcodes */ @@ -234,7 +235,8 @@ #define H_GET_MPP 0x2D4 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC #define H_BEST_ENERGY 0x2F4 -#define MAX_HCALL_OPCODE H_BEST_ENERGY +#define H_GET_MPP_X 0x314 +#define MAX_HCALL_OPCODE H_GET_MPP_X #ifndef __ASSEMBLY__ @@ -312,6 +314,16 @@ struct hvcall_mpp_data { int h_get_mpp(struct hvcall_mpp_data *); +struct hvcall_mpp_x_data { + unsigned long coalesced_bytes; + unsigned long pool_coalesced_bytes; + unsigned long pool_purr_cycles; + unsigned long pool_spurr_cycles; + unsigned long reserved[3]; +}; + +int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data); + #ifdef CONFIG_PPC_PSERIES extern int CMO_PrPSP; extern int CMO_SecPSP; diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h index ff08b70b36d4..bb712c9488b3 100644 --- a/arch/powerpc/include/asm/hw_irq.h +++ b/arch/powerpc/include/asm/hw_irq.h @@ -141,6 +141,8 @@ static inline bool arch_irqs_disabled(void) #endif /* CONFIG_PPC64 */ +#define ARCH_IRQ_INIT_FLAGS IRQ_NOREQUEST + /* * interrupt-retrigger: should we handle this via lost interrupts and IPIs * or should we not care like we do now ? --BenH. diff --git a/arch/powerpc/include/asm/io-workarounds.h b/arch/powerpc/include/asm/io-workarounds.h new file mode 100644 index 000000000000..fbae49286926 --- /dev/null +++ b/arch/powerpc/include/asm/io-workarounds.h @@ -0,0 +1,48 @@ +/* + * Support PCI IO workaround + * + * (C) Copyright 2007-2008 TOSHIBA CORPORATION + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef _IO_WORKAROUNDS_H +#define _IO_WORKAROUNDS_H + +#include <linux/io.h> +#include <asm/pci-bridge.h> + +/* Bus info */ +struct iowa_bus { + struct pci_controller *phb; + struct ppc_pci_io *ops; + void *private; +}; + +void __devinit iowa_register_bus(struct pci_controller *, struct ppc_pci_io *, + int (*)(struct iowa_bus *, void *), void *); +struct iowa_bus *iowa_mem_find_bus(const PCI_IO_ADDR); +struct iowa_bus *iowa_pio_find_bus(unsigned long); + +extern struct ppc_pci_io spiderpci_ops; +extern int spiderpci_iowa_init(struct iowa_bus *, void *); + +#define SPIDER_PCI_REG_BASE 0xd000 +#define SPIDER_PCI_REG_SIZE 0x1000 +#define SPIDER_PCI_VCI_CNTL_STAT 0x0110 +#define SPIDER_PCI_DUMMY_READ 0x0810 +#define SPIDER_PCI_DUMMY_READ_BASE 0x0814 + +#endif /* _IO_WORKAROUNDS_H */ diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h index 001f2f11c19b..45698d55cd6a 100644 --- a/arch/powerpc/include/asm/io.h +++ b/arch/powerpc/include/asm/io.h @@ -2,6 +2,8 @@ #define _ASM_POWERPC_IO_H #ifdef __KERNEL__ +#define ARCH_HAS_IOREMAP_WC + /* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -481,10 +483,16 @@ __do_out_asm(_rec_outl, "stwbrx") _memcpy_fromio(dst,PCI_FIX_ADDR(src),n) #endif /* !CONFIG_EEH */ -#ifdef CONFIG_PPC_INDIRECT_IO -#define DEF_PCI_HOOK(x) x +#ifdef CONFIG_PPC_INDIRECT_PIO +#define DEF_PCI_HOOK_pio(x) x +#else +#define DEF_PCI_HOOK_pio(x) NULL +#endif + +#ifdef CONFIG_PPC_INDIRECT_MMIO +#define DEF_PCI_HOOK_mem(x) x #else -#define DEF_PCI_HOOK(x) NULL +#define DEF_PCI_HOOK_mem(x) NULL #endif /* Structure containing all the hooks */ @@ -504,7 +512,7 @@ extern struct ppc_pci_io { #define DEF_PCI_AC_RET(name, ret, at, al, space, aa) \ static inline ret name at \ { \ - if (DEF_PCI_HOOK(ppc_pci_io.name) != NULL) \ + if (DEF_PCI_HOOK_##space(ppc_pci_io.name) != NULL) \ return ppc_pci_io.name al; \ return __do_##name al; \ } @@ -512,7 +520,7 @@ static inline ret name at \ #define DEF_PCI_AC_NORET(name, at, al, space, aa) \ static inline void name at \ { \ - if (DEF_PCI_HOOK(ppc_pci_io.name) != NULL) \ + if (DEF_PCI_HOOK_##space(ppc_pci_io.name) != NULL) \ ppc_pci_io.name al; \ else \ __do_##name al; \ @@ -616,12 +624,13 @@ static inline void iosync(void) * * ioremap is the standard one and provides non-cacheable guarded mappings * and can be hooked by the platform via ppc_md * - * * ioremap_flags allows to specify the page flags as an argument and can - * also be hooked by the platform via ppc_md. ioremap_prot is the exact - * same thing as ioremap_flags. + * * ioremap_prot allows to specify the page flags as an argument and can + * also be hooked by the platform via ppc_md. * * * ioremap_nocache is identical to ioremap * + * * ioremap_wc enables write combining + * * * iounmap undoes such a mapping and can be hooked * * * __ioremap_at (and the pending __iounmap_at) are low level functions to @@ -629,7 +638,7 @@ static inline void iosync(void) * currently be hooked. Must be page aligned. * * * __ioremap is the low level implementation used by ioremap and - * ioremap_flags and cannot be hooked (but can be used by a hook on one + * ioremap_prot and cannot be hooked (but can be used by a hook on one * of the previous ones) * * * __ioremap_caller is the same as above but takes an explicit caller @@ -640,10 +649,10 @@ static inline void iosync(void) * */ extern void __iomem *ioremap(phys_addr_t address, unsigned long size); -extern void __iomem *ioremap_flags(phys_addr_t address, unsigned long size, - unsigned long flags); +extern void __iomem *ioremap_prot(phys_addr_t address, unsigned long size, + unsigned long flags); +extern void __iomem *ioremap_wc(phys_addr_t address, unsigned long size); #define ioremap_nocache(addr, size) ioremap((addr), (size)) -#define ioremap_prot(addr, size, prot) ioremap_flags((addr), (size), (prot)) extern void iounmap(volatile void __iomem *addr); diff --git a/arch/powerpc/include/asm/io_event_irq.h b/arch/powerpc/include/asm/io_event_irq.h new file mode 100644 index 000000000000..b1a9a1be3c21 --- /dev/null +++ b/arch/powerpc/include/asm/io_event_irq.h @@ -0,0 +1,54 @@ +/* + * Copyright 2010, 2011 Mark Nelson and Tseng-Hui (Frank) Lin, IBM Corporation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#ifndef _ASM_POWERPC_IO_EVENT_IRQ_H +#define _ASM_POWERPC_IO_EVENT_IRQ_H + +#include <linux/types.h> +#include <linux/notifier.h> + +#define PSERIES_IOEI_RPC_MAX_LEN 216 + +#define PSERIES_IOEI_TYPE_ERR_DETECTED 0x01 +#define PSERIES_IOEI_TYPE_ERR_RECOVERED 0x02 +#define PSERIES_IOEI_TYPE_EVENT 0x03 +#define PSERIES_IOEI_TYPE_RPC_PASS_THRU 0x04 + +#define PSERIES_IOEI_SUBTYPE_NOT_APP 0x00 +#define PSERIES_IOEI_SUBTYPE_REBALANCE_REQ 0x01 +#define PSERIES_IOEI_SUBTYPE_NODE_ONLINE 0x03 +#define PSERIES_IOEI_SUBTYPE_NODE_OFFLINE 0x04 +#define PSERIES_IOEI_SUBTYPE_DUMP_SIZE_CHANGE 0x05 +#define PSERIES_IOEI_SUBTYPE_TORRENT_IRV_UPDATE 0x06 +#define PSERIES_IOEI_SUBTYPE_TORRENT_HFI_CFGED 0x07 + +#define PSERIES_IOEI_SCOPE_NOT_APP 0x00 +#define PSERIES_IOEI_SCOPE_RIO_HUB 0x36 +#define PSERIES_IOEI_SCOPE_RIO_BRIDGE 0x37 +#define PSERIES_IOEI_SCOPE_PHB 0x38 +#define PSERIES_IOEI_SCOPE_EADS_GLOBAL 0x39 +#define PSERIES_IOEI_SCOPE_EADS_SLOT 0x3A +#define PSERIES_IOEI_SCOPE_TORRENT_HUB 0x3B +#define PSERIES_IOEI_SCOPE_SERVICE_PROC 0x51 + +/* Platform Event Log Format, Version 6, data portition of IO event section */ +struct pseries_io_event { + uint8_t event_type; /* 0x00 IO-Event Type */ + uint8_t rpc_data_len; /* 0x01 RPC data length */ + uint8_t scope; /* 0x02 Error/Event Scope */ + uint8_t event_subtype; /* 0x03 I/O-Event Sub-Type */ + uint32_t drc_index; /* 0x04 DRC Index */ + uint8_t rpc_data[PSERIES_IOEI_RPC_MAX_LEN]; + /* 0x08 RPC Data (0-216 bytes, */ + /* padded to 4 bytes alignment) */ +}; + +extern struct atomic_notifier_head pseries_ioei_notifier_list; + +#endif /* _ASM_POWERPC_IO_EVENT_IRQ_H */ diff --git a/arch/powerpc/include/asm/ioctls.h b/arch/powerpc/include/asm/ioctls.h index c7dc17cf84f1..e9b78870aaab 100644 --- a/arch/powerpc/include/asm/ioctls.h +++ b/arch/powerpc/include/asm/ioctls.h @@ -96,6 +96,7 @@ #define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ #define TIOCGDEV _IOR('T',0x32, unsigned int) /* Get primary device node of /dev/console */ #define TIOCSIG _IOW('T',0x36, int) /* Generate signal on Pty slave */ +#define TIOCVHANGUP 0x5437 #define TIOCSERCONFIG 0x5453 #define TIOCSERGWILD 0x5454 diff --git a/arch/powerpc/include/asm/irq.h b/arch/powerpc/include/asm/irq.h index 67ab5fb7d153..1bff591f7f72 100644 --- a/arch/powerpc/include/asm/irq.h +++ b/arch/powerpc/include/asm/irq.h @@ -88,9 +88,6 @@ struct irq_host_ops { /* Dispose of such a mapping */ void (*unmap)(struct irq_host *h, unsigned int virq); - /* Update of such a mapping */ - void (*remap)(struct irq_host *h, unsigned int virq, irq_hw_number_t hw); - /* Translate device-tree interrupt specifier from raw format coming * from the firmware to a irq_hw_number_t (interrupt line number) and * type (sense) that can be passed to set_irq_type(). In the absence @@ -128,19 +125,10 @@ struct irq_host { struct device_node *of_node; }; -/* The main irq map itself is an array of NR_IRQ entries containing the - * associate host and irq number. An entry with a host of NULL is free. - * An entry can be allocated if it's free, the allocator always then sets - * hwirq first to the host's invalid irq number and then fills ops. - */ -struct irq_map_entry { - irq_hw_number_t hwirq; - struct irq_host *host; -}; - -extern struct irq_map_entry irq_map[NR_IRQS]; - +struct irq_data; +extern irq_hw_number_t irqd_to_hwirq(struct irq_data *d); extern irq_hw_number_t virq_to_hw(unsigned int virq); +extern bool virq_is_host(unsigned int virq, struct irq_host *host); /** * irq_alloc_host - Allocate a new irq_host data structure diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h index f54408d995b5..8a33698c61bd 100644 --- a/arch/powerpc/include/asm/kexec.h +++ b/arch/powerpc/include/asm/kexec.h @@ -76,7 +76,7 @@ extern void crash_send_ipi(void (*crash_ipi_callback)(struct pt_regs *)); extern cpumask_t cpus_in_sr; static inline int kexec_sr_activated(int cpu) { - return cpu_isset(cpu,cpus_in_sr); + return cpumask_test_cpu(cpu, &cpus_in_sr); } struct kimage; diff --git a/arch/powerpc/include/asm/kprobes.h b/arch/powerpc/include/asm/kprobes.h index d0e7701fa1f6..be0171afdc0f 100644 --- a/arch/powerpc/include/asm/kprobes.h +++ b/arch/powerpc/include/asm/kprobes.h @@ -50,7 +50,7 @@ typedef unsigned int kprobe_opcode_t; * Handle cases where: * - User passes a <.symbol> or <module:.symbol> * - User passes a <symbol> or <module:symbol> - * - User passes a non-existant symbol, kallsyms_lookup_name + * - User passes a non-existent symbol, kallsyms_lookup_name * returns 0. Don't deref the NULL pointer in that case */ #define kprobe_lookup_name(name, addr) \ diff --git a/arch/powerpc/include/asm/kvm.h b/arch/powerpc/include/asm/kvm.h index 18ea6963ad77..d2ca5ed3877b 100644 --- a/arch/powerpc/include/asm/kvm.h +++ b/arch/powerpc/include/asm/kvm.h @@ -45,6 +45,114 @@ struct kvm_regs { __u64 gpr[32]; }; +#define KVM_SREGS_E_IMPL_NONE 0 +#define KVM_SREGS_E_IMPL_FSL 1 + +#define KVM_SREGS_E_FSL_PIDn (1 << 0) /* PID1/PID2 */ + +/* + * Feature bits indicate which sections of the sregs struct are valid, + * both in KVM_GET_SREGS and KVM_SET_SREGS. On KVM_SET_SREGS, registers + * corresponding to unset feature bits will not be modified. This allows + * restoring a checkpoint made without that feature, while keeping the + * default values of the new registers. + * + * KVM_SREGS_E_BASE contains: + * CSRR0/1 (refers to SRR2/3 on 40x) + * ESR + * DEAR + * MCSR + * TSR + * TCR + * DEC + * TB + * VRSAVE (USPRG0) + */ +#define KVM_SREGS_E_BASE (1 << 0) + +/* + * KVM_SREGS_E_ARCH206 contains: + * + * PIR + * MCSRR0/1 + * DECAR + * IVPR + */ +#define KVM_SREGS_E_ARCH206 (1 << 1) + +/* + * Contains EPCR, plus the upper half of 64-bit registers + * that are 32-bit on 32-bit implementations. + */ +#define KVM_SREGS_E_64 (1 << 2) + +#define KVM_SREGS_E_SPRG8 (1 << 3) +#define KVM_SREGS_E_MCIVPR (1 << 4) + +/* + * IVORs are used -- contains IVOR0-15, plus additional IVORs + * in combination with an appropriate feature bit. + */ +#define KVM_SREGS_E_IVOR (1 << 5) + +/* + * Contains MAS0-4, MAS6-7, TLBnCFG, MMUCFG. + * Also TLBnPS if MMUCFG[MAVN] = 1. + */ +#define KVM_SREGS_E_ARCH206_MMU (1 << 6) + +/* DBSR, DBCR, IAC, DAC, DVC */ +#define KVM_SREGS_E_DEBUG (1 << 7) + +/* Enhanced debug -- DSRR0/1, SPRG9 */ +#define KVM_SREGS_E_ED (1 << 8) + +/* Embedded Floating Point (SPE) -- IVOR32-34 if KVM_SREGS_E_IVOR */ +#define KVM_SREGS_E_SPE (1 << 9) + +/* External Proxy (EXP) -- EPR */ +#define KVM_SREGS_EXP (1 << 10) + +/* External PID (E.PD) -- EPSC/EPLC */ +#define KVM_SREGS_E_PD (1 << 11) + +/* Processor Control (E.PC) -- IVOR36-37 if KVM_SREGS_E_IVOR */ +#define KVM_SREGS_E_PC (1 << 12) + +/* Page table (E.PT) -- EPTCFG */ +#define KVM_SREGS_E_PT (1 << 13) + +/* Embedded Performance Monitor (E.PM) -- IVOR35 if KVM_SREGS_E_IVOR */ +#define KVM_SREGS_E_PM (1 << 14) + +/* + * Special updates: + * + * Some registers may change even while a vcpu is not running. + * To avoid losing these changes, by default these registers are + * not updated by KVM_SET_SREGS. To force an update, set the bit + * in u.e.update_special corresponding to the register to be updated. + * + * The update_special field is zero on return from KVM_GET_SREGS. + * + * When restoring a checkpoint, the caller can set update_special + * to 0xffffffff to ensure that everything is restored, even new features + * that the caller doesn't know about. + */ +#define KVM_SREGS_E_UPDATE_MCSR (1 << 0) +#define KVM_SREGS_E_UPDATE_TSR (1 << 1) +#define KVM_SREGS_E_UPDATE_DEC (1 << 2) +#define KVM_SREGS_E_UPDATE_DBSR (1 << 3) + +/* + * In KVM_SET_SREGS, reserved/pad fields must be left untouched from a + * previous KVM_GET_REGS. + * + * Unless otherwise indicated, setting any register with KVM_SET_SREGS + * directly sets its value. It does not trigger any special semantics such + * as write-one-to-clear. Calling KVM_SET_SREGS on an unmodified struct + * just received from KVM_GET_SREGS is always a no-op. + */ struct kvm_sregs { __u32 pvr; union { @@ -62,6 +170,82 @@ struct kvm_sregs { __u64 dbat[8]; } ppc32; } s; + struct { + union { + struct { /* KVM_SREGS_E_IMPL_FSL */ + __u32 features; /* KVM_SREGS_E_FSL_ */ + __u32 svr; + __u64 mcar; + __u32 hid0; + + /* KVM_SREGS_E_FSL_PIDn */ + __u32 pid1, pid2; + } fsl; + __u8 pad[256]; + } impl; + + __u32 features; /* KVM_SREGS_E_ */ + __u32 impl_id; /* KVM_SREGS_E_IMPL_ */ + __u32 update_special; /* KVM_SREGS_E_UPDATE_ */ + __u32 pir; /* read-only */ + __u64 sprg8; + __u64 sprg9; /* E.ED */ + __u64 csrr0; + __u64 dsrr0; /* E.ED */ + __u64 mcsrr0; + __u32 csrr1; + __u32 dsrr1; /* E.ED */ + __u32 mcsrr1; + __u32 esr; + __u64 dear; + __u64 ivpr; + __u64 mcivpr; + __u64 mcsr; /* KVM_SREGS_E_UPDATE_MCSR */ + + __u32 tsr; /* KVM_SREGS_E_UPDATE_TSR */ + __u32 tcr; + __u32 decar; + __u32 dec; /* KVM_SREGS_E_UPDATE_DEC */ + + /* + * Userspace can read TB directly, but the + * value reported here is consistent with "dec". + * + * Read-only. + */ + __u64 tb; + + __u32 dbsr; /* KVM_SREGS_E_UPDATE_DBSR */ + __u32 dbcr[3]; + __u32 iac[4]; + __u32 dac[2]; + __u32 dvc[2]; + __u8 num_iac; /* read-only */ + __u8 num_dac; /* read-only */ + __u8 num_dvc; /* read-only */ + __u8 pad; + + __u32 epr; /* EXP */ + __u32 vrsave; /* a.k.a. USPRG0 */ + __u32 epcr; /* KVM_SREGS_E_64 */ + + __u32 mas0; + __u32 mas1; + __u64 mas2; + __u64 mas7_3; + __u32 mas4; + __u32 mas6; + + __u32 ivor_low[16]; /* IVOR0-15 */ + __u32 ivor_high[18]; /* IVOR32+, plus room to expand */ + + __u32 mmucfg; /* read-only */ + __u32 eptcfg; /* E.PT, read-only */ + __u32 tlbcfg[4];/* read-only */ + __u32 tlbps[4]; /* read-only */ + + __u32 eplc, epsc; /* E.PD */ + } e; __u8 pad[1020]; } u; }; diff --git a/arch/powerpc/include/asm/kvm_44x.h b/arch/powerpc/include/asm/kvm_44x.h index d22d39942a92..a0e57618ff33 100644 --- a/arch/powerpc/include/asm/kvm_44x.h +++ b/arch/powerpc/include/asm/kvm_44x.h @@ -61,7 +61,6 @@ static inline struct kvmppc_vcpu_44x *to_44x(struct kvm_vcpu *vcpu) return container_of(vcpu, struct kvmppc_vcpu_44x, vcpu); } -void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 new_pid); void kvmppc_44x_tlb_put(struct kvm_vcpu *vcpu); void kvmppc_44x_tlb_load(struct kvm_vcpu *vcpu); diff --git a/arch/powerpc/include/asm/kvm_asm.h b/arch/powerpc/include/asm/kvm_asm.h index 5b7504674397..0951b17f4eb5 100644 --- a/arch/powerpc/include/asm/kvm_asm.h +++ b/arch/powerpc/include/asm/kvm_asm.h @@ -59,6 +59,7 @@ #define BOOK3S_INTERRUPT_INST_SEGMENT 0x480 #define BOOK3S_INTERRUPT_EXTERNAL 0x500 #define BOOK3S_INTERRUPT_EXTERNAL_LEVEL 0x501 +#define BOOK3S_INTERRUPT_EXTERNAL_HV 0x502 #define BOOK3S_INTERRUPT_ALIGNMENT 0x600 #define BOOK3S_INTERRUPT_PROGRAM 0x700 #define BOOK3S_INTERRUPT_FP_UNAVAIL 0x800 diff --git a/arch/powerpc/include/asm/kvm_book3s_asm.h b/arch/powerpc/include/asm/kvm_book3s_asm.h index 36fdb3aff30b..d5a8a3861635 100644 --- a/arch/powerpc/include/asm/kvm_book3s_asm.h +++ b/arch/powerpc/include/asm/kvm_book3s_asm.h @@ -34,6 +34,7 @@ (\intno == BOOK3S_INTERRUPT_DATA_SEGMENT) || \ (\intno == BOOK3S_INTERRUPT_INST_SEGMENT) || \ (\intno == BOOK3S_INTERRUPT_EXTERNAL) || \ + (\intno == BOOK3S_INTERRUPT_EXTERNAL_HV) || \ (\intno == BOOK3S_INTERRUPT_ALIGNMENT) || \ (\intno == BOOK3S_INTERRUPT_PROGRAM) || \ (\intno == BOOK3S_INTERRUPT_FP_UNAVAIL) || \ diff --git a/arch/powerpc/include/asm/kvm_e500.h b/arch/powerpc/include/asm/kvm_e500.h index 7fea26fffb25..7a2a565f88c4 100644 --- a/arch/powerpc/include/asm/kvm_e500.h +++ b/arch/powerpc/include/asm/kvm_e500.h @@ -43,6 +43,7 @@ struct kvmppc_vcpu_e500 { u32 host_pid[E500_PID_NUM]; u32 pid[E500_PID_NUM]; + u32 svr; u32 mas0; u32 mas1; @@ -58,6 +59,7 @@ struct kvmppc_vcpu_e500 { u32 hid1; u32 tlb0cfg; u32 tlb1cfg; + u64 mcar; struct kvm_vcpu vcpu; }; diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index bba3b9b72a39..186f150b9b89 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -223,6 +223,7 @@ struct kvm_vcpu_arch { ulong hflags; ulong guest_owned_ext; #endif + u32 vrsave; /* also USPRG0 */ u32 mmucr; ulong sprg4; ulong sprg5; @@ -232,6 +233,9 @@ struct kvm_vcpu_arch { ulong csrr1; ulong dsrr0; ulong dsrr1; + ulong mcsrr0; + ulong mcsrr1; + ulong mcsr; ulong esr; u32 dec; u32 decar; @@ -255,6 +259,7 @@ struct kvm_vcpu_arch { u32 dbsr; #ifdef CONFIG_KVM_EXIT_TIMING + struct mutex exit_timing_lock; struct kvmppc_exit_timing timing_exit; struct kvmppc_exit_timing timing_last_enter; u32 last_exit_type; diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index ecb3bc74c344..9345238edecf 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -61,6 +61,7 @@ extern int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu); extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu); extern void kvmppc_emulate_dec(struct kvm_vcpu *vcpu); +extern u32 kvmppc_get_dec(struct kvm_vcpu *vcpu, u64 tb); /* Core-specific hooks */ @@ -142,4 +143,12 @@ static inline u32 kvmppc_set_field(u64 inst, int msb, int lsb, int value) return r; } +void kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); +int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); + +void kvmppc_get_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); +int kvmppc_set_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); + +void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 pid); + #endif /* __POWERPC_KVM_PPC_H__ */ diff --git a/arch/powerpc/include/asm/lppaca.h b/arch/powerpc/include/asm/lppaca.h index 26b8c807f8f1..e0298d26ce5d 100644 --- a/arch/powerpc/include/asm/lppaca.h +++ b/arch/powerpc/include/asm/lppaca.h @@ -105,7 +105,7 @@ struct lppaca { // processing of external interrupts. Note that PLIC will store the // XIRR directly into the xXirrValue field so that another XIRR will // not be presented until this one clears. The layout of the low - // 4-bytes of this Dword is upto SLIC - PLIC just checks whether the + // 4-bytes of this Dword is up to SLIC - PLIC just checks whether the // entire Dword is zero or not. A non-zero value in the low order // 2-bytes will result in SLIC being granted the highest thread // priority upon return. A 0 will return to SLIC as medium priority. @@ -210,6 +210,8 @@ struct dtl_entry { #define DISPATCH_LOG_BYTES 4096 /* bytes per cpu */ #define N_DISPATCH_LOG (DISPATCH_LOG_BYTES / sizeof(struct dtl_entry)) +extern struct kmem_cache *dtl_cache; + /* * When CONFIG_VIRT_CPU_ACCOUNTING = y, the cpu accounting code controls * reading from the dispatch trace log. If other code wants to consume diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h index fe56a23e1ff0..47cacddb14cf 100644 --- a/arch/powerpc/include/asm/machdep.h +++ b/arch/powerpc/include/asm/machdep.h @@ -29,21 +29,6 @@ struct file; struct pci_controller; struct kimage; -#ifdef CONFIG_SMP -struct smp_ops_t { - void (*message_pass)(int target, int msg); - int (*probe)(void); - void (*kick_cpu)(int nr); - void (*setup_cpu)(int nr); - void (*take_timebase)(void); - void (*give_timebase)(void); - int (*cpu_enable)(unsigned int nr); - int (*cpu_disable)(void); - void (*cpu_die)(unsigned int nr); - int (*cpu_bootable)(unsigned int nr); -}; -#endif - struct machdep_calls { char *name; #ifdef CONFIG_PPC64 @@ -267,7 +252,7 @@ struct machdep_calls { extern void e500_idle(void); extern void power4_idle(void); -extern void power4_cpu_offline_powersave(void); +extern void power7_idle(void); extern void ppc6xx_idle(void); extern void book3e_idle(void); @@ -312,12 +297,6 @@ extern sys_ctrler_t sys_ctrler; #endif /* CONFIG_PPC_PMAC */ -#ifdef CONFIG_SMP -/* Poor default implementations */ -extern void __devinit smp_generic_give_timebase(void); -extern void __devinit smp_generic_take_timebase(void); -#endif /* CONFIG_SMP */ - /* Functions to produce codes on the leds. * The SRC code should be unique for the message category and should diff --git a/arch/powerpc/include/asm/mmu-book3e.h b/arch/powerpc/include/asm/mmu-book3e.h index 17194fcd4040..3ea0f9a259d8 100644 --- a/arch/powerpc/include/asm/mmu-book3e.h +++ b/arch/powerpc/include/asm/mmu-book3e.h @@ -43,6 +43,7 @@ #define MAS0_TLBSEL(x) (((x) << 28) & 0x30000000) #define MAS0_ESEL(x) (((x) << 16) & 0x0FFF0000) #define MAS0_NV(x) ((x) & 0x00000FFF) +#define MAS0_ESEL_MASK 0x0FFF0000 #define MAS0_HES 0x00004000 #define MAS0_WQ_ALLWAYS 0x00000000 #define MAS0_WQ_COND 0x00001000 @@ -137,6 +138,21 @@ #define MMUCSR0_TLB2PS 0x00078000 /* TLB2 Page Size */ #define MMUCSR0_TLB3PS 0x00780000 /* TLB3 Page Size */ +/* MMUCFG bits */ +#define MMUCFG_MAVN_NASK 0x00000003 +#define MMUCFG_MAVN_V1_0 0x00000000 +#define MMUCFG_MAVN_V2_0 0x00000001 +#define MMUCFG_NTLB_MASK 0x0000000c +#define MMUCFG_NTLB_SHIFT 2 +#define MMUCFG_PIDSIZE_MASK 0x000007c0 +#define MMUCFG_PIDSIZE_SHIFT 6 +#define MMUCFG_TWC 0x00008000 +#define MMUCFG_LRAT 0x00010000 +#define MMUCFG_RASIZE_MASK 0x00fe0000 +#define MMUCFG_RASIZE_SHIFT 17 +#define MMUCFG_LPIDSIZE_MASK 0x0f000000 +#define MMUCFG_LPIDSIZE_SHIFT 24 + /* TLBnCFG encoding */ #define TLBnCFG_N_ENTRY 0x00000fff /* number of entries */ #define TLBnCFG_HES 0x00002000 /* HW select supported */ @@ -229,6 +245,10 @@ extern struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT]; extern int mmu_linear_psize; extern int mmu_vmemmap_psize; +#ifdef CONFIG_PPC64 +extern unsigned long linear_map_top; +#endif + #endif /* !__ASSEMBLY__ */ #endif /* _ASM_POWERPC_MMU_BOOK3E_H_ */ diff --git a/arch/powerpc/include/asm/mmu-hash64.h b/arch/powerpc/include/asm/mmu-hash64.h index acac35d5b382..d865bd909c7d 100644 --- a/arch/powerpc/include/asm/mmu-hash64.h +++ b/arch/powerpc/include/asm/mmu-hash64.h @@ -27,7 +27,7 @@ #define STE_VSID_SHIFT 12 /* Location of cpu0's segment table */ -#define STAB0_PAGE 0x6 +#define STAB0_PAGE 0x8 #define STAB0_OFFSET (STAB0_PAGE << 12) #define STAB0_PHYS_ADDR (STAB0_OFFSET + PHYSICAL_START) @@ -408,6 +408,7 @@ static inline void subpage_prot_init_new_context(struct mm_struct *mm) { } #endif /* CONFIG_PPC_SUBPAGE_PROT */ typedef unsigned long mm_context_id_t; +struct spinlock; typedef struct { mm_context_id_t id; @@ -423,6 +424,11 @@ typedef struct { #ifdef CONFIG_PPC_SUBPAGE_PROT struct subpage_prot_table spt; #endif /* CONFIG_PPC_SUBPAGE_PROT */ +#ifdef CONFIG_PPC_ICSWX + struct spinlock *cop_lockp; /* guard acop and cop_pid */ + unsigned long acop; /* mask of enabled coprocessor types */ + unsigned int cop_pid; /* pid value used with coprocessors */ +#endif /* CONFIG_PPC_ICSWX */ } mm_context_t; diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h index bb40a06d3b77..4138b21ae80a 100644 --- a/arch/powerpc/include/asm/mmu.h +++ b/arch/powerpc/include/asm/mmu.h @@ -56,11 +56,6 @@ */ #define MMU_FTR_NEED_DTLB_SW_LRU ASM_CONST(0x00200000) -/* This indicates that the processor uses the ISA 2.06 server tlbie - * mnemonics - */ -#define MMU_FTR_TLBIE_206 ASM_CONST(0x00400000) - /* Enable use of TLB reservation. Processor should support tlbsrx. * instruction and MAS0[WQ]. */ @@ -70,6 +65,53 @@ */ #define MMU_FTR_USE_PAIRED_MAS ASM_CONST(0x01000000) +/* MMU is SLB-based + */ +#define MMU_FTR_SLB ASM_CONST(0x02000000) + +/* Support 16M large pages + */ +#define MMU_FTR_16M_PAGE ASM_CONST(0x04000000) + +/* Supports TLBIEL variant + */ +#define MMU_FTR_TLBIEL ASM_CONST(0x08000000) + +/* Supports tlbies w/o locking + */ +#define MMU_FTR_LOCKLESS_TLBIE ASM_CONST(0x10000000) + +/* Large pages can be marked CI + */ +#define MMU_FTR_CI_LARGE_PAGE ASM_CONST(0x20000000) + +/* 1T segments available + */ +#define MMU_FTR_1T_SEGMENT ASM_CONST(0x40000000) + +/* Doesn't support the B bit (1T segment) in SLBIE + */ +#define MMU_FTR_NO_SLBIE_B ASM_CONST(0x80000000) + +/* MMU feature bit sets for various CPUs */ +#define MMU_FTRS_DEFAULT_HPTE_ARCH_V2 \ + MMU_FTR_HPTE_TABLE | MMU_FTR_PPCAS_ARCH_V2 +#define MMU_FTRS_POWER4 MMU_FTRS_DEFAULT_HPTE_ARCH_V2 +#define MMU_FTRS_PPC970 MMU_FTRS_POWER4 +#define MMU_FTRS_POWER5 MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE +#define MMU_FTRS_POWER6 MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE +#define MMU_FTRS_POWER7 MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE +#define MMU_FTRS_CELL MMU_FTRS_DEFAULT_HPTE_ARCH_V2 | \ + MMU_FTR_CI_LARGE_PAGE +#define MMU_FTRS_PA6T MMU_FTRS_DEFAULT_HPTE_ARCH_V2 | \ + MMU_FTR_CI_LARGE_PAGE | MMU_FTR_NO_SLBIE_B +#define MMU_FTRS_A2 MMU_FTR_TYPE_3E | MMU_FTR_USE_TLBILX | \ + MMU_FTR_USE_TLBIVAX_BCAST | \ + MMU_FTR_LOCK_BCAST_INVAL | \ + MMU_FTR_USE_TLBRSRV | \ + MMU_FTR_USE_PAIRED_MAS | \ + MMU_FTR_TLBIEL | \ + MMU_FTR_16M_PAGE #ifndef __ASSEMBLY__ #include <asm/cputable.h> diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h index 81fb41289d6c..a73668a5f30d 100644 --- a/arch/powerpc/include/asm/mmu_context.h +++ b/arch/powerpc/include/asm/mmu_context.h @@ -32,6 +32,10 @@ extern void __destroy_context(unsigned long context_id); extern void mmu_context_init(void); #endif +extern void switch_cop(struct mm_struct *next); +extern int use_cop(unsigned long acop, struct mm_struct *mm); +extern void drop_cop(unsigned long acop, struct mm_struct *mm); + /* * switch_mm is the entry point called from the architecture independent * code in kernel/sched.c @@ -55,6 +59,12 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, if (prev == next) return; +#ifdef CONFIG_PPC_ICSWX + /* Switch coprocessor context only if prev or next uses a coprocessor */ + if (prev->context.acop || next->context.acop) + switch_cop(next); +#endif /* CONFIG_PPC_ICSWX */ + /* We must stop all altivec streams before changing the HW * context */ @@ -67,7 +77,7 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, * sub architectures. */ #ifdef CONFIG_PPC_STD_MMU_64 - if (cpu_has_feature(CPU_FTR_SLB)) + if (mmu_has_feature(MMU_FTR_SLB)) switch_slb(tsk, next); else switch_stab(tsk, next); diff --git a/arch/powerpc/include/asm/mpic.h b/arch/powerpc/include/asm/mpic.h index e000cce8f6dd..df18989e78d4 100644 --- a/arch/powerpc/include/asm/mpic.h +++ b/arch/powerpc/include/asm/mpic.h @@ -3,7 +3,6 @@ #ifdef __KERNEL__ #include <linux/irq.h> -#include <linux/sysdev.h> #include <asm/dcr.h> #include <asm/msi_bitmap.h> @@ -263,6 +262,7 @@ struct mpic #ifdef CONFIG_SMP struct irq_chip hc_ipi; #endif + struct irq_chip hc_tm; const char *name; /* Flags */ unsigned int flags; @@ -281,7 +281,7 @@ struct mpic /* vector numbers used for internal sources (ipi/timers) */ unsigned int ipi_vecs[4]; - unsigned int timer_vecs[4]; + unsigned int timer_vecs[8]; /* Spurious vector to program into unused sources */ unsigned int spurious_vec; @@ -320,8 +320,6 @@ struct mpic /* link */ struct mpic *next; - struct sys_device sysdev; - #ifdef CONFIG_PM struct mpic_irq_save *save_data; #endif @@ -367,6 +365,12 @@ struct mpic #define MPIC_SINGLE_DEST_CPU 0x00001000 /* Enable CoreInt delivery of interrupts */ #define MPIC_ENABLE_COREINT 0x00002000 +/* Disable resetting of the MPIC. + * NOTE: This flag trumps MPIC_WANTS_RESET. + */ +#define MPIC_NO_RESET 0x00004000 +/* Freescale MPIC (compatible includes "fsl,mpic") */ +#define MPIC_FSL 0x00008000 /* MPIC HW modification ID */ #define MPIC_REGSET_MASK 0xf0000000 @@ -467,11 +471,11 @@ extern void mpic_request_ipis(void); void smp_mpic_message_pass(int target, int msg); /* Unmask a specific virq */ -extern void mpic_unmask_irq(unsigned int irq); +extern void mpic_unmask_irq(struct irq_data *d); /* Mask a specific virq */ -extern void mpic_mask_irq(unsigned int irq); +extern void mpic_mask_irq(struct irq_data *d); /* EOI a specific virq */ -extern void mpic_end_irq(unsigned int irq); +extern void mpic_end_irq(struct irq_data *d); /* Fetch interrupt from a given mpic */ extern unsigned int mpic_get_one_irq(struct mpic *mpic); diff --git a/arch/powerpc/include/asm/nvram.h b/arch/powerpc/include/asm/nvram.h index 92efe67d1c57..9d1aafe607c7 100644 --- a/arch/powerpc/include/asm/nvram.h +++ b/arch/powerpc/include/asm/nvram.h @@ -51,7 +51,8 @@ static inline int mmio_nvram_init(void) extern int __init nvram_scan_partitions(void); extern loff_t nvram_create_partition(const char *name, int sig, int req_size, int min_size); -extern int nvram_remove_partition(const char *name, int sig); +extern int nvram_remove_partition(const char *name, int sig, + const char *exceptions[]); extern int nvram_get_partition_size(loff_t data_index); extern loff_t nvram_find_partition(const char *name, int sig, int *out_size); diff --git a/arch/powerpc/include/asm/pSeries_reconfig.h b/arch/powerpc/include/asm/pSeries_reconfig.h index d4b4bfa26fb3..89d2f99c1bf4 100644 --- a/arch/powerpc/include/asm/pSeries_reconfig.h +++ b/arch/powerpc/include/asm/pSeries_reconfig.h @@ -18,13 +18,18 @@ extern int pSeries_reconfig_notifier_register(struct notifier_block *); extern void pSeries_reconfig_notifier_unregister(struct notifier_block *); extern struct blocking_notifier_head pSeries_reconfig_chain; +/* Not the best place to put this, will be fixed when we move some + * of the rtas suspend-me stuff to pseries */ +extern void pSeries_coalesce_init(void); #else /* !CONFIG_PPC_PSERIES */ static inline int pSeries_reconfig_notifier_register(struct notifier_block *nb) { return 0; } static inline void pSeries_reconfig_notifier_unregister(struct notifier_block *nb) { } +static inline void pSeries_coalesce_init(void) { } #endif /* CONFIG_PPC_PSERIES */ + #endif /* __KERNEL__ */ #endif /* _PPC64_PSERIES_RECONFIG_H */ diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h index ec57540cd7af..74126765106a 100644 --- a/arch/powerpc/include/asm/paca.h +++ b/arch/powerpc/include/asm/paca.h @@ -92,9 +92,9 @@ struct paca_struct { * Now, starting in cacheline 2, the exception save areas */ /* used for most interrupts/exceptions */ - u64 exgen[10] __attribute__((aligned(0x80))); - u64 exmc[10]; /* used for machine checks */ - u64 exslb[10]; /* used for SLB/segment table misses + u64 exgen[11] __attribute__((aligned(0x80))); + u64 exmc[11]; /* used for machine checks */ + u64 exslb[11]; /* used for SLB/segment table misses * on the linear mapping */ /* SLB related definitions */ u16 vmalloc_sllp; @@ -106,7 +106,8 @@ struct paca_struct { pgd_t *pgd; /* Current PGD */ pgd_t *kernel_pgd; /* Kernel PGD */ u64 exgen[8] __attribute__((aligned(0x80))); - u64 extlb[EX_TLB_SIZE*3] __attribute__((aligned(0x80))); + /* We can have up to 3 levels of reentrancy in the TLB miss handler */ + u64 extlb[3][EX_TLB_SIZE / sizeof(u64)] __attribute__((aligned(0x80))); u64 exmc[8]; /* used for machine checks */ u64 excrit[8]; /* used for crit interrupts */ u64 exdbg[8]; /* used for debug interrupts */ @@ -125,7 +126,7 @@ struct paca_struct { struct task_struct *__current; /* Pointer to current */ u64 kstack; /* Saved Kernel stack addr */ u64 stab_rr; /* stab/slb round-robin counter */ - u64 saved_r1; /* r1 save for RTAS calls */ + u64 saved_r1; /* r1 save for RTAS calls or PM */ u64 saved_msr; /* MSR saved here by enter_rtas */ u16 trap_save; /* Used when bad stack is encountered */ u8 soft_enabled; /* irq soft-enable flag */ diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h index da4b20008541..2cd664ef0a5e 100644 --- a/arch/powerpc/include/asm/page.h +++ b/arch/powerpc/include/asm/page.h @@ -100,7 +100,7 @@ extern phys_addr_t kernstart_addr; #endif #ifdef CONFIG_FLATMEM -#define ARCH_PFN_OFFSET (MEMORY_START >> PAGE_SHIFT) +#define ARCH_PFN_OFFSET ((unsigned long)(MEMORY_START >> PAGE_SHIFT)) #define pfn_valid(pfn) ((pfn) >= ARCH_PFN_OFFSET && (pfn) < max_mapnr) #endif diff --git a/arch/powerpc/include/asm/page_64.h b/arch/powerpc/include/asm/page_64.h index 932f88dcf6fa..9356262fd3cc 100644 --- a/arch/powerpc/include/asm/page_64.h +++ b/arch/powerpc/include/asm/page_64.h @@ -59,24 +59,7 @@ static __inline__ void clear_page(void *addr) : "ctr", "memory"); } -extern void copy_4K_page(void *to, void *from); - -#ifdef CONFIG_PPC_64K_PAGES -static inline void copy_page(void *to, void *from) -{ - unsigned int i; - for (i=0; i < (1 << (PAGE_SHIFT - 12)); i++) { - copy_4K_page(to, from); - to += 4096; - from += 4096; - } -} -#else /* CONFIG_PPC_64K_PAGES */ -static inline void copy_page(void *to, void *from) -{ - copy_4K_page(to, from); -} -#endif /* CONFIG_PPC_64K_PAGES */ +extern void copy_page(void *to, void *from); /* Log 2 of page table size */ extern u64 ppc64_pft_size; @@ -130,7 +113,7 @@ extern void slice_set_user_psize(struct mm_struct *mm, unsigned int psize); extern void slice_set_range_psize(struct mm_struct *mm, unsigned long start, unsigned long len, unsigned int psize); -#define slice_mm_new_context(mm) ((mm)->context.id == 0) +#define slice_mm_new_context(mm) ((mm)->context.id == MMU_NO_CONTEXT) #endif /* __ASSEMBLY__ */ #else @@ -169,7 +152,7 @@ do { \ /* * This is the default if a program doesn't have a PT_GNU_STACK * program header entry. The PPC64 ELF ABI has a non executable stack - * stack by default, so in the absense of a PT_GNU_STACK program header + * stack by default, so in the absence of a PT_GNU_STACK program header * we turn execute permission off. */ #define VM_STACK_DEFAULT_FLAGS32 (VM_READ | VM_WRITE | VM_EXEC | \ diff --git a/arch/powerpc/include/asm/pasemi_dma.h b/arch/powerpc/include/asm/pasemi_dma.h index 19fd7933e2d9..eafa5a5f56de 100644 --- a/arch/powerpc/include/asm/pasemi_dma.h +++ b/arch/powerpc/include/asm/pasemi_dma.h @@ -522,7 +522,7 @@ extern void *pasemi_dma_alloc_buf(struct pasemi_dmachan *chan, int size, extern void pasemi_dma_free_buf(struct pasemi_dmachan *chan, int size, dma_addr_t *handle); -/* Routines to allocate flags (events) for channel syncronization */ +/* Routines to allocate flags (events) for channel synchronization */ extern int pasemi_dma_alloc_flag(void); extern void pasemi_dma_free_flag(int flag); extern void pasemi_dma_set_flag(int flag); diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h index 51e9e6f90d12..b90dbf8e5cd9 100644 --- a/arch/powerpc/include/asm/pci-bridge.h +++ b/arch/powerpc/include/asm/pci-bridge.h @@ -106,7 +106,7 @@ struct pci_controller { * Used for variants of PCI indirect handling and possible quirks: * SET_CFG_TYPE - used on 4xx or any PHB that does explicit type0/1 * EXT_REG - provides access to PCI-e extended registers - * SURPRESS_PRIMARY_BUS - we surpress the setting of PCI_PRIMARY_BUS + * SURPRESS_PRIMARY_BUS - we suppress the setting of PCI_PRIMARY_BUS * on Freescale PCI-e controllers since they used the PCI_PRIMARY_BUS * to determine which bus number to match on when generating type0 * config cycles @@ -164,13 +164,23 @@ extern void setup_indirect_pci(struct pci_controller* hose, resource_size_t cfg_addr, resource_size_t cfg_data, u32 flags); -#ifndef CONFIG_PPC64 - static inline struct pci_controller *pci_bus_to_host(const struct pci_bus *bus) { return bus->sysdata; } +#ifndef CONFIG_PPC64 + +static inline struct device_node *pci_bus_to_OF_node(struct pci_bus *bus) +{ + struct pci_controller *host; + + if (bus->self) + return pci_device_to_OF_node(bus->self); + host = pci_bus_to_host(bus); + return host ? host->dn : NULL; +} + static inline int isa_vaddr_is_ioport(void __iomem *address) { /* No specific ISA handling on ppc32 at this stage, it @@ -218,19 +228,10 @@ extern void * update_dn_pci_info(struct device_node *dn, void *data); /* Get a device_node from a pci_dev. This code must be fast except * in the case where the sysdata is incorrect and needs to be fixed - * up (this will only happen once). - * In this case the sysdata will have been inherited from a PCI host - * bridge or a PCI-PCI bridge further up the tree, so it will point - * to a valid struct pci_dn, just not the one we want. - */ + * up (this will only happen once). */ static inline struct device_node *pci_device_to_OF_node(struct pci_dev *dev) { - struct device_node *dn = dev->sysdata; - struct pci_dn *pdn = dn->data; - - if (pdn && pdn->devfn == dev->devfn && pdn->busno == dev->bus->number) - return dn; /* fast path. sysdata is good */ - return fetch_dev_dn(dev); + return dev->dev.of_node ? dev->dev.of_node : fetch_dev_dn(dev); } static inline int pci_device_from_OF_node(struct device_node *np, @@ -248,7 +249,7 @@ static inline struct device_node *pci_bus_to_OF_node(struct pci_bus *bus) if (bus->self) return pci_device_to_OF_node(bus->self); else - return bus->sysdata; /* Must be root bus (PHB) */ + return bus->dev.of_node; /* Must be root bus (PHB) */ } /** Find the bus corresponding to the indicated device node */ @@ -260,14 +261,6 @@ extern void pcibios_remove_pci_devices(struct pci_bus *bus); /** Discover new pci devices under this bus, and add them */ extern void pcibios_add_pci_devices(struct pci_bus *bus); -static inline struct pci_controller *pci_bus_to_host(const struct pci_bus *bus) -{ - struct device_node *busdn = bus->sysdata; - - BUG_ON(busdn == NULL); - return PCI_DN(busdn)->phb; -} - extern void isa_bridge_find_early(struct pci_controller *hose); diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h index a20a9ad2258b..7d7790954e02 100644 --- a/arch/powerpc/include/asm/pci.h +++ b/arch/powerpc/include/asm/pci.h @@ -201,7 +201,7 @@ extern void pci_resource_to_user(const struct pci_dev *dev, int bar, extern void pcibios_setup_bus_devices(struct pci_bus *bus); extern void pcibios_setup_bus_self(struct pci_bus *bus); extern void pcibios_setup_phb_io_space(struct pci_controller *hose); -extern void pcibios_scan_phb(struct pci_controller *hose, void *sysdata); +extern void pcibios_scan_phb(struct pci_controller *hose); #endif /* __KERNEL__ */ #endif /* __ASM_POWERPC_PCI_H */ diff --git a/arch/powerpc/include/asm/pgalloc.h b/arch/powerpc/include/asm/pgalloc.h index abe8532bd14e..bf301ac62f35 100644 --- a/arch/powerpc/include/asm/pgalloc.h +++ b/arch/powerpc/include/asm/pgalloc.h @@ -31,14 +31,29 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage) #endif #ifdef CONFIG_SMP -extern void pgtable_free_tlb(struct mmu_gather *tlb, void *table, unsigned shift); -extern void pte_free_finish(void); +struct mmu_gather; +extern void tlb_remove_table(struct mmu_gather *, void *); + +static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift) +{ + unsigned long pgf = (unsigned long)table; + BUG_ON(shift > MAX_PGTABLE_INDEX_SIZE); + pgf |= shift; + tlb_remove_table(tlb, (void *)pgf); +} + +static inline void __tlb_remove_table(void *_table) +{ + void *table = (void *)((unsigned long)_table & ~MAX_PGTABLE_INDEX_SIZE); + unsigned shift = (unsigned long)_table & MAX_PGTABLE_INDEX_SIZE; + + pgtable_free(table, shift); +} #else /* CONFIG_SMP */ static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, unsigned shift) { pgtable_free(table, shift); } -static inline void pte_free_finish(void) { } #endif /* !CONFIG_SMP */ static inline void __pte_free_tlb(struct mmu_gather *tlb, struct page *ptepage, diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h index 2b09cd522d33..81576ee0cfb1 100644 --- a/arch/powerpc/include/asm/pgtable-ppc64.h +++ b/arch/powerpc/include/asm/pgtable-ppc64.h @@ -257,21 +257,20 @@ static inline int __ptep_test_and_clear_young(struct mm_struct *mm, static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { - unsigned long old; - if ((pte_val(*ptep) & _PAGE_RW) == 0) - return; - old = pte_update(mm, addr, ptep, _PAGE_RW, 0); + if ((pte_val(*ptep) & _PAGE_RW) == 0) + return; + + pte_update(mm, addr, ptep, _PAGE_RW, 0); } static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { - unsigned long old; - if ((pte_val(*ptep) & _PAGE_RW) == 0) return; - old = pte_update(mm, addr, ptep, _PAGE_RW, 1); + + pte_update(mm, addr, ptep, _PAGE_RW, 1); } /* diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h index 89f158731ce3..88b0bd925a8b 100644 --- a/arch/powerpc/include/asm/pgtable.h +++ b/arch/powerpc/include/asm/pgtable.h @@ -170,6 +170,7 @@ extern int ptep_set_access_flags(struct vm_area_struct *vma, unsigned long addre #define pgprot_cached_wthru(prot) (__pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) | \ _PAGE_COHERENT | _PAGE_WRITETHRU)) +#define pgprot_writecombine pgprot_noncached_wc struct file; extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, diff --git a/arch/powerpc/include/asm/pmac_feature.h b/arch/powerpc/include/asm/pmac_feature.h index 00eedc5a4e61..10902c9375d0 100644 --- a/arch/powerpc/include/asm/pmac_feature.h +++ b/arch/powerpc/include/asm/pmac_feature.h @@ -53,8 +53,8 @@ /* Here is the infamous serie of OHare based machines */ -#define PMAC_TYPE_COMET 0x20 /* Beleived to be PowerBook 2400 */ -#define PMAC_TYPE_HOOPER 0x21 /* Beleived to be PowerBook 3400 */ +#define PMAC_TYPE_COMET 0x20 /* Believed to be PowerBook 2400 */ +#define PMAC_TYPE_HOOPER 0x21 /* Believed to be PowerBook 3400 */ #define PMAC_TYPE_KANGA 0x22 /* PowerBook 3500 (first G3) */ #define PMAC_TYPE_ALCHEMY 0x23 /* Alchemy motherboard base */ #define PMAC_TYPE_GAZELLE 0x24 /* Spartacus, some 5xxx/6xxx */ diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index 1255569387b6..e472659d906c 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -41,6 +41,10 @@ #define PPC_INST_RFCI 0x4c000066 #define PPC_INST_RFDI 0x4c00004e #define PPC_INST_RFMCI 0x4c00004c +#define PPC_INST_MFSPR_DSCR 0x7c1102a6 +#define PPC_INST_MFSPR_DSCR_MASK 0xfc1fffff +#define PPC_INST_MTSPR_DSCR 0x7c1103a6 +#define PPC_INST_MTSPR_DSCR_MASK 0xfc1fffff #define PPC_INST_STRING 0x7c00042a #define PPC_INST_STRING_MASK 0xfc0007fe @@ -56,6 +60,17 @@ #define PPC_INST_TLBSRX_DOT 0x7c0006a5 #define PPC_INST_XXLOR 0xf0000510 +#define PPC_INST_NAP 0x4c000364 +#define PPC_INST_SLEEP 0x4c0003a4 + +/* A2 specific instructions */ +#define PPC_INST_ERATWE 0x7c0001a6 +#define PPC_INST_ERATRE 0x7c000166 +#define PPC_INST_ERATILX 0x7c000066 +#define PPC_INST_ERATIVAX 0x7c000666 +#define PPC_INST_ERATSX 0x7c000126 +#define PPC_INST_ERATSX_DOT 0x7c000127 + /* macros to insert fields into opcodes */ #define __PPC_RA(a) (((a) & 0x1f) << 16) #define __PPC_RB(b) (((b) & 0x1f) << 11) @@ -67,6 +82,8 @@ #define __PPC_XT(s) __PPC_XS(s) #define __PPC_T_TLB(t) (((t) & 0x3) << 21) #define __PPC_WC(w) (((w) & 0x3) << 21) +#define __PPC_WS(w) (((w) & 0x1f) << 11) + /* * Only use the larx hint bit on 64bit CPUs. e500v1/v2 based CPUs will treat a * larx with EH set as an illegal instruction. @@ -113,6 +130,21 @@ #define PPC_TLBIVAX(a,b) stringify_in_c(.long PPC_INST_TLBIVAX | \ __PPC_RA(a) | __PPC_RB(b)) +#define PPC_ERATWE(s, a, w) stringify_in_c(.long PPC_INST_ERATWE | \ + __PPC_RS(s) | __PPC_RA(a) | __PPC_WS(w)) +#define PPC_ERATRE(s, a, w) stringify_in_c(.long PPC_INST_ERATRE | \ + __PPC_RS(s) | __PPC_RA(a) | __PPC_WS(w)) +#define PPC_ERATILX(t, a, b) stringify_in_c(.long PPC_INST_ERATILX | \ + __PPC_T_TLB(t) | __PPC_RA(a) | \ + __PPC_RB(b)) +#define PPC_ERATIVAX(s, a, b) stringify_in_c(.long PPC_INST_ERATIVAX | \ + __PPC_RS(s) | __PPC_RA(a) | __PPC_RB(b)) +#define PPC_ERATSX(t, a, w) stringify_in_c(.long PPC_INST_ERATSX | \ + __PPC_RS(t) | __PPC_RA(a) | __PPC_RB(b)) +#define PPC_ERATSX_DOT(t, a, w) stringify_in_c(.long PPC_INST_ERATSX_DOT | \ + __PPC_RS(t) | __PPC_RA(a) | __PPC_RB(b)) + + /* * Define what the VSX XX1 form instructions will look like, then add * the 128 bit load store instructions based on that. @@ -126,4 +158,7 @@ #define XXLOR(t, a, b) stringify_in_c(.long PPC_INST_XXLOR | \ VSX_XX3((t), (a), (b))) +#define PPC_NAP stringify_in_c(.long PPC_INST_NAP) +#define PPC_SLEEP stringify_in_c(.long PPC_INST_SLEEP) + #endif /* _ASM_POWERPC_PPC_OPCODE_H */ diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h index 98210067c1cc..1b422381fc16 100644 --- a/arch/powerpc/include/asm/ppc_asm.h +++ b/arch/powerpc/include/asm/ppc_asm.h @@ -170,6 +170,7 @@ END_FW_FTR_SECTION_IFSET(FW_FEATURE_SPLPAR) #define HMT_MEDIUM or 2,2,2 #define HMT_MEDIUM_HIGH or 5,5,5 # medium high priority #define HMT_HIGH or 3,3,3 +#define HMT_EXTRA_HIGH or 7,7,7 # power7 only #ifdef __KERNEL__ #ifdef CONFIG_PPC64 diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index de1967a1ff57..d50c2b6d9bc3 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -238,6 +238,10 @@ struct thread_struct { #ifdef CONFIG_KVM_BOOK3S_32_HANDLER void* kvm_shadow_vcpu; /* KVM internal data */ #endif /* CONFIG_KVM_BOOK3S_32_HANDLER */ +#ifdef CONFIG_PPC64 + unsigned long dscr; + int dscr_inherit; +#endif }; #define ARCH_MIN_TASKALIGN 16 diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h index d72757585595..c189aa5fe1f4 100644 --- a/arch/powerpc/include/asm/prom.h +++ b/arch/powerpc/include/asm/prom.h @@ -70,21 +70,6 @@ static inline int of_node_to_nid(struct device_node *device) { return 0; } #endif #define of_node_to_nid of_node_to_nid -/** - * of_irq_map_pci - Resolve the interrupt for a PCI device - * @pdev: the device whose interrupt is to be resolved - * @out_irq: structure of_irq filled by this function - * - * This function resolves the PCI interrupt for a given PCI device. If a - * device-node exists for a given pci_dev, it will use normal OF tree - * walking. If not, it will implement standard swizzling and walk up the - * PCI tree until an device-node is found, at which point it will finish - * resolving using the OF tree walking. - */ -struct pci_dev; -struct of_irq; -extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq); - extern void of_instantiate_rtc(void); /* These includes are put at the bottom because they may contain things diff --git a/arch/powerpc/include/asm/pte-common.h b/arch/powerpc/include/asm/pte-common.h index 76bb195e4f24..8d1569c29042 100644 --- a/arch/powerpc/include/asm/pte-common.h +++ b/arch/powerpc/include/asm/pte-common.h @@ -86,7 +86,7 @@ extern unsigned long bad_call_to_PMD_PAGE_SIZE(void); #define PTE_RPN_MASK (~((1UL<<PTE_RPN_SHIFT)-1)) #endif -/* _PAGE_CHG_MASK masks of bits that are to be preserved accross +/* _PAGE_CHG_MASK masks of bits that are to be preserved across * pgprot changes */ #define _PAGE_CHG_MASK (PTE_RPN_MASK | _PAGE_HPTEFLAGS | _PAGE_DIRTY | \ @@ -162,7 +162,7 @@ extern unsigned long bad_call_to_PMD_PAGE_SIZE(void); * on platforms where such control is possible. */ #if defined(CONFIG_KGDB) || defined(CONFIG_XMON) || defined(CONFIG_BDI_SWITCH) ||\ - defined(CONFIG_KPROBES) + defined(CONFIG_KPROBES) || defined(CONFIG_DYNAMIC_FTRACE) #define PAGE_KERNEL_TEXT PAGE_KERNEL_X #else #define PAGE_KERNEL_TEXT PAGE_KERNEL_ROX @@ -174,7 +174,7 @@ extern unsigned long bad_call_to_PMD_PAGE_SIZE(void); /* * Don't just check for any non zero bits in __PAGE_USER, since for book3e * and PTE_64BIT, PAGE_KERNEL_X contains _PAGE_BAP_SR which is also in - * _PAGE_USER. Need to explictly match _PAGE_BAP_UR bit in that case too. + * _PAGE_USER. Need to explicitly match _PAGE_BAP_UR bit in that case too. */ #define pte_user(val) ((val & _PAGE_USER) == _PAGE_USER) diff --git a/arch/powerpc/include/asm/pte-hash64-64k.h b/arch/powerpc/include/asm/pte-hash64-64k.h index c4490f9c67c4..59247e816ac5 100644 --- a/arch/powerpc/include/asm/pte-hash64-64k.h +++ b/arch/powerpc/include/asm/pte-hash64-64k.h @@ -22,7 +22,7 @@ #define _PAGE_HASHPTE _PAGE_HPTE_SUB /* Note the full page bits must be in the same location as for normal - * 4k pages as the same asssembly will be used to insert 64K pages + * 4k pages as the same assembly will be used to insert 64K pages * wether the kernel has CONFIG_PPC_64K_PAGES or not */ #define _PAGE_F_SECOND 0x00008000 /* full page: hidx bits */ diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index 0175a676b34b..48223f9b8728 100644 --- a/arch/powerpc/include/asm/ptrace.h +++ b/arch/powerpc/include/asm/ptrace.h @@ -125,8 +125,10 @@ extern int ptrace_put_reg(struct task_struct *task, int regno, #endif /* ! __powerpc64__ */ #define TRAP(regs) ((regs)->trap & ~0xF) #ifdef __powerpc64__ +#define NV_REG_POISON 0xdeadbeefdeadbeefUL #define CHECK_FULL_REGS(regs) BUG_ON(regs->trap & 1) #else +#define NV_REG_POISON 0xdeadbeef #define CHECK_FULL_REGS(regs) \ do { \ if ((regs)->trap & 1) \ diff --git a/arch/powerpc/include/asm/qe_ic.h b/arch/powerpc/include/asm/qe_ic.h index cf519663a791..f706164b0bd0 100644 --- a/arch/powerpc/include/asm/qe_ic.h +++ b/arch/powerpc/include/asm/qe_ic.h @@ -81,7 +81,7 @@ int qe_ic_set_high_priority(unsigned int virq, unsigned int priority, int high); static inline void qe_ic_cascade_low_ipic(unsigned int irq, struct irq_desc *desc) { - struct qe_ic *qe_ic = desc->handler_data; + struct qe_ic *qe_ic = irq_desc_get_handler_data(desc); unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic); if (cascade_irq != NO_IRQ) @@ -91,7 +91,7 @@ static inline void qe_ic_cascade_low_ipic(unsigned int irq, static inline void qe_ic_cascade_high_ipic(unsigned int irq, struct irq_desc *desc) { - struct qe_ic *qe_ic = desc->handler_data; + struct qe_ic *qe_ic = irq_desc_get_handler_data(desc); unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic); if (cascade_irq != NO_IRQ) @@ -101,32 +101,35 @@ static inline void qe_ic_cascade_high_ipic(unsigned int irq, static inline void qe_ic_cascade_low_mpic(unsigned int irq, struct irq_desc *desc) { - struct qe_ic *qe_ic = desc->handler_data; + struct qe_ic *qe_ic = irq_desc_get_handler_data(desc); unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic); + struct irq_chip *chip = irq_desc_get_chip(desc); if (cascade_irq != NO_IRQ) generic_handle_irq(cascade_irq); - desc->chip->eoi(irq); + chip->irq_eoi(&desc->irq_data); } static inline void qe_ic_cascade_high_mpic(unsigned int irq, struct irq_desc *desc) { - struct qe_ic *qe_ic = desc->handler_data; + struct qe_ic *qe_ic = irq_desc_get_handler_data(desc); unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic); + struct irq_chip *chip = irq_desc_get_chip(desc); if (cascade_irq != NO_IRQ) generic_handle_irq(cascade_irq); - desc->chip->eoi(irq); + chip->irq_eoi(&desc->irq_data); } static inline void qe_ic_cascade_muxed_mpic(unsigned int irq, struct irq_desc *desc) { - struct qe_ic *qe_ic = desc->handler_data; + struct qe_ic *qe_ic = irq_desc_get_handler_data(desc); unsigned int cascade_irq; + struct irq_chip *chip = irq_desc_get_chip(desc); cascade_irq = qe_ic_get_high_irq(qe_ic); if (cascade_irq == NO_IRQ) @@ -135,7 +138,7 @@ static inline void qe_ic_cascade_muxed_mpic(unsigned int irq, if (cascade_irq != NO_IRQ) generic_handle_irq(cascade_irq); - desc->chip->eoi(irq); + chip->irq_eoi(&desc->irq_data); } #endif /* _ASM_POWERPC_QE_IC_H */ diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index 125fc1ad665d..c5cae0dd176c 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -99,17 +99,23 @@ #define MSR_LE __MASK(MSR_LE_LG) /* Little Endian */ #if defined(CONFIG_PPC_BOOK3S_64) +#define MSR_64BIT MSR_SF + /* Server variant */ #define MSR_ MSR_ME | MSR_RI | MSR_IR | MSR_DR | MSR_ISF |MSR_HV -#define MSR_KERNEL MSR_ | MSR_SF +#define MSR_KERNEL MSR_ | MSR_64BIT #define MSR_USER32 MSR_ | MSR_PR | MSR_EE -#define MSR_USER64 MSR_USER32 | MSR_SF +#define MSR_USER64 MSR_USER32 | MSR_64BIT #elif defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_8xx) /* Default MSR for kernel mode. */ #define MSR_KERNEL (MSR_ME|MSR_RI|MSR_IR|MSR_DR) #define MSR_USER (MSR_KERNEL|MSR_PR|MSR_EE) #endif +#ifndef MSR_64BIT +#define MSR_64BIT 0 +#endif + /* Floating Point Status and Control Register (FPSCR) Fields */ #define FPSCR_FX 0x80000000 /* FPU exception summary */ #define FPSCR_FEX 0x40000000 /* FPU enabled exception summary */ @@ -170,8 +176,20 @@ #define SPEFSCR_FRMC 0x00000003 /* Embedded FP rounding mode control */ /* Special Purpose Registers (SPRNs)*/ + +#ifdef CONFIG_40x +#define SPRN_PID 0x3B1 /* Process ID */ +#else +#define SPRN_PID 0x030 /* Process ID */ +#ifdef CONFIG_BOOKE +#define SPRN_PID0 SPRN_PID/* Process ID Register 0 */ +#endif +#endif + #define SPRN_CTR 0x009 /* Count Register */ #define SPRN_DSCR 0x11 +#define SPRN_CFAR 0x1c /* Come From Address Register */ +#define SPRN_ACOP 0x1F /* Available Coprocessor Register */ #define SPRN_CTRLF 0x088 #define SPRN_CTRLT 0x098 #define CTRL_CT 0xc0000000 /* current thread */ @@ -200,8 +218,43 @@ #define SPRN_TBWL 0x11C /* Time Base Lower Register (super, R/W) */ #define SPRN_TBWU 0x11D /* Time Base Upper Register (super, R/W) */ #define SPRN_SPURR 0x134 /* Scaled PURR */ +#define SPRN_HSPRG0 0x130 /* Hypervisor Scratch 0 */ +#define SPRN_HSPRG1 0x131 /* Hypervisor Scratch 1 */ +#define SPRN_HDSISR 0x132 +#define SPRN_HDAR 0x133 +#define SPRN_HDEC 0x136 /* Hypervisor Decrementer */ #define SPRN_HIOR 0x137 /* 970 Hypervisor interrupt offset */ +#define SPRN_RMOR 0x138 /* Real mode offset register */ +#define SPRN_HRMOR 0x139 /* Real mode offset register */ +#define SPRN_HSRR0 0x13A /* Hypervisor Save/Restore 0 */ +#define SPRN_HSRR1 0x13B /* Hypervisor Save/Restore 1 */ #define SPRN_LPCR 0x13E /* LPAR Control Register */ +#define LPCR_VPM0 (1ul << (63-0)) +#define LPCR_VPM1 (1ul << (63-1)) +#define LPCR_ISL (1ul << (63-2)) +#define LPCR_DPFD_SH (63-11) +#define LPCR_VRMA_L (1ul << (63-12)) +#define LPCR_VRMA_LP0 (1ul << (63-15)) +#define LPCR_VRMA_LP1 (1ul << (63-16)) +#define LPCR_RMLS 0x1C000000 /* impl dependent rmo limit sel */ +#define LPCR_ILE 0x02000000 /* !HV irqs set MSR:LE */ +#define LPCR_PECE 0x00007000 /* powersave exit cause enable */ +#define LPCR_PECE0 0x00004000 /* ext. exceptions can cause exit */ +#define LPCR_PECE1 0x00002000 /* decrementer can cause exit */ +#define LPCR_PECE2 0x00001000 /* machine check etc can cause exit */ +#define LPCR_MER 0x00000800 /* Mediated External Exception */ +#define LPCR_LPES0 0x00000008 /* LPAR Env selector 0 */ +#define LPCR_LPES1 0x00000004 /* LPAR Env selector 1 */ +#define LPCR_RMI 0x00000002 /* real mode is cache inhibit */ +#define LPCR_HDICE 0x00000001 /* Hyp Decr enable (HV,PR,EE) */ +#define SPRN_LPID 0x13F /* Logical Partition Identifier */ +#define SPRN_HMER 0x150 /* Hardware m? error recovery */ +#define SPRN_HMEER 0x151 /* Hardware m? enable error recovery */ +#define SPRN_HEIR 0x153 /* Hypervisor Emulated Instruction Register */ +#define SPRN_TLBINDEXR 0x154 /* P7 TLB control register */ +#define SPRN_TLBVPNR 0x155 /* P7 TLB control register */ +#define SPRN_TLBRPNR 0x156 /* P7 TLB control register */ +#define SPRN_TLBLPIDR 0x157 /* P7 TLB control register */ #define SPRN_DBAT0L 0x219 /* Data BAT 0 Lower Register */ #define SPRN_DBAT0U 0x218 /* Data BAT 0 Upper Register */ #define SPRN_DBAT1L 0x21B /* Data BAT 1 Lower Register */ @@ -424,16 +477,23 @@ #define SPRN_SRR0 0x01A /* Save/Restore Register 0 */ #define SPRN_SRR1 0x01B /* Save/Restore Register 1 */ #define SRR1_WAKEMASK 0x00380000 /* reason for wakeup */ -#define SRR1_WAKERESET 0x00380000 /* System reset */ #define SRR1_WAKESYSERR 0x00300000 /* System error */ #define SRR1_WAKEEE 0x00200000 /* External interrupt */ #define SRR1_WAKEMT 0x00280000 /* mtctrl */ +#define SRR1_WAKEHMI 0x00280000 /* Hypervisor maintenance */ #define SRR1_WAKEDEC 0x00180000 /* Decrementer interrupt */ #define SRR1_WAKETHERM 0x00100000 /* Thermal management interrupt */ +#define SRR1_WAKERESET 0x00100000 /* System reset */ +#define SRR1_WAKESTATE 0x00030000 /* Powersave exit mask [46:47] */ +#define SRR1_WS_DEEPEST 0x00030000 /* Some resources not maintained, + * may not be recoverable */ +#define SRR1_WS_DEEPER 0x00020000 /* Some resources not maintained */ +#define SRR1_WS_DEEP 0x00010000 /* All resources maintained */ #define SRR1_PROGFPE 0x00100000 /* Floating Point Enabled */ #define SRR1_PROGPRIV 0x00040000 /* Privileged instruction */ #define SRR1_PROGTRAP 0x00020000 /* Trap */ #define SRR1_PROGADDR 0x00010000 /* SRR0 contains subsequent addr */ + #define SPRN_HSRR0 0x13A /* Save/Restore Register 0 */ #define SPRN_HSRR1 0x13B /* Save/Restore Register 1 */ @@ -663,12 +723,15 @@ * SPRG usage: * * All 64-bit: - * - SPRG1 stores PACA pointer + * - SPRG1 stores PACA pointer except 64-bit server in + * HV mode in which case it is HSPRG0 * * 64-bit server: * - SPRG0 unused (reserved for HV on Power4) * - SPRG2 scratch for exception vectors * - SPRG3 unused (user visible) + * - HSPRG0 stores PACA in HV mode + * - HSPRG1 scratch for "HV" exceptions * * 64-bit embedded * - SPRG0 generic exception scratch @@ -731,6 +794,41 @@ #ifdef CONFIG_PPC_BOOK3S_64 #define SPRN_SPRG_SCRATCH0 SPRN_SPRG2 +#define SPRN_SPRG_HPACA SPRN_HSPRG0 +#define SPRN_SPRG_HSCRATCH0 SPRN_HSPRG1 + +#define GET_PACA(rX) \ + BEGIN_FTR_SECTION_NESTED(66); \ + mfspr rX,SPRN_SPRG_PACA; \ + FTR_SECTION_ELSE_NESTED(66); \ + mfspr rX,SPRN_SPRG_HPACA; \ + ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE_206, 66) + +#define SET_PACA(rX) \ + BEGIN_FTR_SECTION_NESTED(66); \ + mtspr SPRN_SPRG_PACA,rX; \ + FTR_SECTION_ELSE_NESTED(66); \ + mtspr SPRN_SPRG_HPACA,rX; \ + ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE_206, 66) + +#define GET_SCRATCH0(rX) \ + BEGIN_FTR_SECTION_NESTED(66); \ + mfspr rX,SPRN_SPRG_SCRATCH0; \ + FTR_SECTION_ELSE_NESTED(66); \ + mfspr rX,SPRN_SPRG_HSCRATCH0; \ + ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE_206, 66) + +#define SET_SCRATCH0(rX) \ + BEGIN_FTR_SECTION_NESTED(66); \ + mtspr SPRN_SPRG_SCRATCH0,rX; \ + FTR_SECTION_ELSE_NESTED(66); \ + mtspr SPRN_SPRG_HSCRATCH0,rX; \ + ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE_206, 66) + +#else /* CONFIG_PPC_BOOK3S_64 */ +#define GET_SCRATCH0(rX) mfspr rX,SPRN_SPRG_SCRATCH0 +#define SET_SCRATCH0(rX) mtspr SPRN_SPRG_SCRATCH0,rX + #endif #ifdef CONFIG_PPC_BOOK3E_64 @@ -740,6 +838,10 @@ #define SPRN_SPRG_TLB_EXFRAME SPRN_SPRG2 #define SPRN_SPRG_TLB_SCRATCH SPRN_SPRG6 #define SPRN_SPRG_GEN_SCRATCH SPRN_SPRG0 + +#define SET_PACA(rX) mtspr SPRN_SPRG_PACA,rX +#define GET_PACA(rX) mfspr rX,SPRN_SPRG_PACA + #endif #ifdef CONFIG_PPC_BOOK3S_32 @@ -790,6 +892,8 @@ #define SPRN_SPRG_SCRATCH1 SPRN_SPRG1 #endif + + /* * An mtfsf instruction with the L bit set. On CPUs that support this a * full 64bits of FPSCR is restored and on other CPUs the L bit is ignored. @@ -852,6 +956,8 @@ #define PVR_7450 0x80000000 #define PVR_8540 0x80200000 #define PVR_8560 0x80200000 +#define PVR_VER_E500V1 0x8020 +#define PVR_VER_E500V2 0x8021 /* * For the 8xx processors, all of them report the same PVR family for * the PowerPC core. The various versions of these processors must be @@ -880,7 +986,10 @@ #define PV_970 0x0039 #define PV_POWER5 0x003A #define PV_POWER5p 0x003B +#define PV_POWER7 0x003F #define PV_970FX 0x003C +#define PV_POWER6 0x003E +#define PV_POWER7 0x003F #define PV_630 0x0040 #define PV_630p 0x0041 #define PV_970MP 0x0044 diff --git a/arch/powerpc/include/asm/reg_a2.h b/arch/powerpc/include/asm/reg_a2.h new file mode 100644 index 000000000000..3d52a1132f3d --- /dev/null +++ b/arch/powerpc/include/asm/reg_a2.h @@ -0,0 +1,165 @@ +/* + * Register definitions specific to the A2 core + * + * Copyright (C) 2008 Ben. Herrenschmidt (benh@kernel.crashing.org), IBM Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#ifndef __ASM_POWERPC_REG_A2_H__ +#define __ASM_POWERPC_REG_A2_H__ + +#define SPRN_TENSR 0x1b5 +#define SPRN_TENS 0x1b6 /* Thread ENable Set */ +#define SPRN_TENC 0x1b7 /* Thread ENable Clear */ + +#define SPRN_A2_CCR0 0x3f0 /* Core Configuration Register 0 */ +#define SPRN_A2_CCR1 0x3f1 /* Core Configuration Register 1 */ +#define SPRN_A2_CCR2 0x3f2 /* Core Configuration Register 2 */ +#define SPRN_MMUCR0 0x3fc /* MMU Control Register 0 */ +#define SPRN_MMUCR1 0x3fd /* MMU Control Register 1 */ +#define SPRN_MMUCR2 0x3fe /* MMU Control Register 2 */ +#define SPRN_MMUCR3 0x3ff /* MMU Control Register 3 */ + +#define SPRN_IAR 0x372 + +#define SPRN_IUCR0 0x3f3 +#define IUCR0_ICBI_ACK 0x1000 + +#define SPRN_XUCR0 0x3f6 /* Execution Unit Config Register 0 */ + +#define A2_IERAT_SIZE 16 +#define A2_DERAT_SIZE 32 + +/* A2 MMUCR0 bits */ +#define MMUCR0_ECL 0x80000000 /* Extended Class for TLB fills */ +#define MMUCR0_TID_NZ 0x40000000 /* TID is non-zero */ +#define MMUCR0_TS 0x10000000 /* Translation space for TLB fills */ +#define MMUCR0_TGS 0x20000000 /* Guest space for TLB fills */ +#define MMUCR0_TLBSEL 0x0c000000 /* TLB or ERAT target for TLB fills */ +#define MMUCR0_TLBSEL_U 0x00000000 /* TLBSEL = UTLB */ +#define MMUCR0_TLBSEL_I 0x08000000 /* TLBSEL = I-ERAT */ +#define MMUCR0_TLBSEL_D 0x0c000000 /* TLBSEL = D-ERAT */ +#define MMUCR0_LOCKSRSH 0x02000000 /* Use TLB lock on tlbsx. */ +#define MMUCR0_TID_MASK 0x000000ff /* TID field */ + +/* A2 MMUCR1 bits */ +#define MMUCR1_IRRE 0x80000000 /* I-ERAT round robin enable */ +#define MMUCR1_DRRE 0x40000000 /* D-ERAT round robin enable */ +#define MMUCR1_REE 0x20000000 /* Reference Exception Enable*/ +#define MMUCR1_CEE 0x10000000 /* Change exception enable */ +#define MMUCR1_CSINV_ALL 0x00000000 /* Inval ERAT on all CS evts */ +#define MMUCR1_CSINV_NISYNC 0x04000000 /* Inval ERAT on all ex isync*/ +#define MMUCR1_CSINV_NEVER 0x0c000000 /* Don't inval ERAT on CS */ +#define MMUCR1_ICTID 0x00080000 /* IERAT class field as TID */ +#define MMUCR1_ITTID 0x00040000 /* IERAT thdid field as TID */ +#define MMUCR1_DCTID 0x00020000 /* DERAT class field as TID */ +#define MMUCR1_DTTID 0x00010000 /* DERAT thdid field as TID */ +#define MMUCR1_DCCD 0x00008000 /* DERAT class ignore */ +#define MMUCR1_TLBWE_BINV 0x00004000 /* back invalidate on tlbwe */ + +/* A2 MMUCR2 bits */ +#define MMUCR2_PSSEL_SHIFT 4 + +/* A2 MMUCR3 bits */ +#define MMUCR3_THID 0x0000000f /* Thread ID */ + +/* *** ERAT TLB bits definitions */ +#define TLB0_EPN_MASK ASM_CONST(0xfffffffffffff000) +#define TLB0_CLASS_MASK ASM_CONST(0x0000000000000c00) +#define TLB0_CLASS_00 ASM_CONST(0x0000000000000000) +#define TLB0_CLASS_01 ASM_CONST(0x0000000000000400) +#define TLB0_CLASS_10 ASM_CONST(0x0000000000000800) +#define TLB0_CLASS_11 ASM_CONST(0x0000000000000c00) +#define TLB0_V ASM_CONST(0x0000000000000200) +#define TLB0_X ASM_CONST(0x0000000000000100) +#define TLB0_SIZE_MASK ASM_CONST(0x00000000000000f0) +#define TLB0_SIZE_4K ASM_CONST(0x0000000000000010) +#define TLB0_SIZE_64K ASM_CONST(0x0000000000000030) +#define TLB0_SIZE_1M ASM_CONST(0x0000000000000050) +#define TLB0_SIZE_16M ASM_CONST(0x0000000000000070) +#define TLB0_SIZE_1G ASM_CONST(0x00000000000000a0) +#define TLB0_THDID_MASK ASM_CONST(0x000000000000000f) +#define TLB0_THDID_0 ASM_CONST(0x0000000000000001) +#define TLB0_THDID_1 ASM_CONST(0x0000000000000002) +#define TLB0_THDID_2 ASM_CONST(0x0000000000000004) +#define TLB0_THDID_3 ASM_CONST(0x0000000000000008) +#define TLB0_THDID_ALL ASM_CONST(0x000000000000000f) + +#define TLB1_RESVATTR ASM_CONST(0x00f0000000000000) +#define TLB1_U0 ASM_CONST(0x0008000000000000) +#define TLB1_U1 ASM_CONST(0x0004000000000000) +#define TLB1_U2 ASM_CONST(0x0002000000000000) +#define TLB1_U3 ASM_CONST(0x0001000000000000) +#define TLB1_R ASM_CONST(0x0000800000000000) +#define TLB1_C ASM_CONST(0x0000400000000000) +#define TLB1_RPN_MASK ASM_CONST(0x000003fffffff000) +#define TLB1_W ASM_CONST(0x0000000000000800) +#define TLB1_I ASM_CONST(0x0000000000000400) +#define TLB1_M ASM_CONST(0x0000000000000200) +#define TLB1_G ASM_CONST(0x0000000000000100) +#define TLB1_E ASM_CONST(0x0000000000000080) +#define TLB1_VF ASM_CONST(0x0000000000000040) +#define TLB1_UX ASM_CONST(0x0000000000000020) +#define TLB1_SX ASM_CONST(0x0000000000000010) +#define TLB1_UW ASM_CONST(0x0000000000000008) +#define TLB1_SW ASM_CONST(0x0000000000000004) +#define TLB1_UR ASM_CONST(0x0000000000000002) +#define TLB1_SR ASM_CONST(0x0000000000000001) + +#ifdef CONFIG_PPC_EARLY_DEBUG_WSP +#define WSP_UART_PHYS 0xffc000c000 +/* This needs to be careful chosen to hit a !0 congruence class + * in the TLB since we bolt it in way 3, which is already occupied + * by our linear mapping primary bolted entry in CC 0. + */ +#define WSP_UART_VIRT 0xf000000000001000 +#endif + +/* A2 erativax attributes definitions */ +#define ERATIVAX_RS_IS_ALL 0x000 +#define ERATIVAX_RS_IS_TID 0x040 +#define ERATIVAX_RS_IS_CLASS 0x080 +#define ERATIVAX_RS_IS_FULLMATCH 0x0c0 +#define ERATIVAX_CLASS_00 0x000 +#define ERATIVAX_CLASS_01 0x010 +#define ERATIVAX_CLASS_10 0x020 +#define ERATIVAX_CLASS_11 0x030 +#define ERATIVAX_PSIZE_4K (TLB_PSIZE_4K >> 1) +#define ERATIVAX_PSIZE_64K (TLB_PSIZE_64K >> 1) +#define ERATIVAX_PSIZE_1M (TLB_PSIZE_1M >> 1) +#define ERATIVAX_PSIZE_16M (TLB_PSIZE_16M >> 1) +#define ERATIVAX_PSIZE_1G (TLB_PSIZE_1G >> 1) + +/* A2 eratilx attributes definitions */ +#define ERATILX_T_ALL 0 +#define ERATILX_T_TID 1 +#define ERATILX_T_TGS 2 +#define ERATILX_T_FULLMATCH 3 +#define ERATILX_T_CLASS0 4 +#define ERATILX_T_CLASS1 5 +#define ERATILX_T_CLASS2 6 +#define ERATILX_T_CLASS3 7 + +/* XUCR0 bits */ +#define XUCR0_TRACE_UM_T0 0x40000000 /* Thread 0 */ +#define XUCR0_TRACE_UM_T1 0x20000000 /* Thread 1 */ +#define XUCR0_TRACE_UM_T2 0x10000000 /* Thread 2 */ +#define XUCR0_TRACE_UM_T3 0x08000000 /* Thread 3 */ + +/* A2 CCR0 register */ +#define A2_CCR0_PME_DISABLED 0x00000000 +#define A2_CCR0_PME_SLEEP 0x40000000 +#define A2_CCR0_PME_RVW 0x80000000 +#define A2_CCR0_PME_DISABLED2 0xc0000000 + +/* A2 CCR2 register */ +#define A2_CCR2_ERAT_ONLY_MODE 0x00000001 +#define A2_CCR2_ENABLE_ICSWX 0x00000002 +#define A2_CCR2_ENABLE_PC 0x20000000 +#define A2_CCR2_ENABLE_TRACE 0x40000000 + +#endif /* __ASM_POWERPC_REG_A2_H__ */ diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h index e68c69bf741a..0f0ad9fa01c1 100644 --- a/arch/powerpc/include/asm/reg_booke.h +++ b/arch/powerpc/include/asm/reg_booke.h @@ -2,7 +2,7 @@ * Contains register definitions common to the Book E PowerPC * specification. Notice that while the IBM-40x series of CPUs * are not true Book E PowerPCs, they borrowed a number of features - * before Book E was finalized, and are included here as well. Unfortunatly, + * before Book E was finalized, and are included here as well. Unfortunately, * they sometimes used different locations than true Book E CPUs did. * * This program is free software; you can redistribute it and/or @@ -27,10 +27,12 @@ #define MSR_CM (1<<31) /* Computation Mode (0=32-bit, 1=64-bit) */ #if defined(CONFIG_PPC_BOOK3E_64) +#define MSR_64BIT MSR_CM + #define MSR_ MSR_ME | MSR_CE -#define MSR_KERNEL MSR_ | MSR_CM +#define MSR_KERNEL MSR_ | MSR_64BIT #define MSR_USER32 MSR_ | MSR_PR | MSR_EE | MSR_DE -#define MSR_USER64 MSR_USER32 | MSR_CM | MSR_DE +#define MSR_USER64 MSR_USER32 | MSR_64BIT #elif defined (CONFIG_40x) #define MSR_KERNEL (MSR_ME|MSR_RI|MSR_IR|MSR_DR|MSR_CE) #define MSR_USER (MSR_KERNEL|MSR_PR|MSR_EE) @@ -81,6 +83,10 @@ #define SPRN_IVOR13 0x19D /* Interrupt Vector Offset Register 13 */ #define SPRN_IVOR14 0x19E /* Interrupt Vector Offset Register 14 */ #define SPRN_IVOR15 0x19F /* Interrupt Vector Offset Register 15 */ +#define SPRN_IVOR38 0x1B0 /* Interrupt Vector Offset Register 38 */ +#define SPRN_IVOR39 0x1B1 /* Interrupt Vector Offset Register 39 */ +#define SPRN_IVOR40 0x1B2 /* Interrupt Vector Offset Register 40 */ +#define SPRN_IVOR41 0x1B3 /* Interrupt Vector Offset Register 41 */ #define SPRN_SPEFSCR 0x200 /* SPE & Embedded FP Status & Control */ #define SPRN_BBEAR 0x201 /* Branch Buffer Entry Address Register */ #define SPRN_BBTAR 0x202 /* Branch Buffer Target Address Register */ @@ -110,7 +116,7 @@ #define SPRN_MAS2 0x272 /* MMU Assist Register 2 */ #define SPRN_MAS3 0x273 /* MMU Assist Register 3 */ #define SPRN_MAS4 0x274 /* MMU Assist Register 4 */ -#define SPRN_MAS5 0x275 /* MMU Assist Register 5 */ +#define SPRN_MAS5 0x153 /* MMU Assist Register 5 */ #define SPRN_MAS6 0x276 /* MMU Assist Register 6 */ #define SPRN_PID1 0x279 /* Process ID Register 1 */ #define SPRN_PID2 0x27A /* Process ID Register 2 */ @@ -150,8 +156,6 @@ * or IBM 40x. */ #ifdef CONFIG_BOOKE -#define SPRN_PID 0x030 /* Process ID */ -#define SPRN_PID0 SPRN_PID/* Process ID Register 0 */ #define SPRN_CSRR0 0x03A /* Critical Save and Restore Register 0 */ #define SPRN_CSRR1 0x03B /* Critical Save and Restore Register 1 */ #define SPRN_DEAR 0x03D /* Data Error Address Register */ @@ -168,7 +172,6 @@ #define SPRN_TCR 0x154 /* Timer Control Register */ #endif /* Book E */ #ifdef CONFIG_40x -#define SPRN_PID 0x3B1 /* Process ID */ #define SPRN_DBCR1 0x3BD /* Debug Control Register 1 */ #define SPRN_ESR 0x3D4 /* Exception Syndrome Register */ #define SPRN_DEAR 0x3D5 /* Data Error Address Register */ diff --git a/arch/powerpc/include/asm/rio.h b/arch/powerpc/include/asm/rio.h index 0018bf80cb25..d902abd33995 100644 --- a/arch/powerpc/include/asm/rio.h +++ b/arch/powerpc/include/asm/rio.h @@ -14,5 +14,10 @@ #define ASM_PPC_RIO_H extern void platform_rio_init(void); +#ifdef CONFIG_RAPIDIO +extern int fsl_rio_mcheck_exception(struct pt_regs *); +#else +static inline int fsl_rio_mcheck_exception(struct pt_regs *regs) {return 0; } +#endif #endif /* ASM_PPC_RIO_H */ diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h index 9a1193e30f26..58625d1e7802 100644 --- a/arch/powerpc/include/asm/rtas.h +++ b/arch/powerpc/include/asm/rtas.h @@ -158,7 +158,50 @@ struct rtas_error_log { unsigned long target:4; /* Target of failed operation */ unsigned long type:8; /* General event or error*/ unsigned long extended_log_length:32; /* length in bytes */ - unsigned char buffer[1]; + unsigned char buffer[1]; /* Start of extended log */ + /* Variable length. */ +}; + +#define RTAS_V6EXT_LOG_FORMAT_EVENT_LOG 14 + +#define RTAS_V6EXT_COMPANY_ID_IBM (('I' << 24) | ('B' << 16) | ('M' << 8)) + +/* RTAS general extended event log, Version 6. The extended log starts + * from "buffer" field of struct rtas_error_log defined above. + */ +struct rtas_ext_event_log_v6 { + /* Byte 0 */ + uint32_t log_valid:1; /* 1:Log valid */ + uint32_t unrecoverable_error:1; /* 1:Unrecoverable error */ + uint32_t recoverable_error:1; /* 1:recoverable (correctable */ + /* or successfully retried) */ + uint32_t degraded_operation:1; /* 1:Unrecoverable err, bypassed*/ + /* - degraded operation (e.g. */ + /* CPU or mem taken off-line) */ + uint32_t predictive_error:1; + uint32_t new_log:1; /* 1:"New" log (Always 1 for */ + /* data returned from RTAS */ + uint32_t big_endian:1; /* 1: Big endian */ + uint32_t :1; /* reserved */ + /* Byte 1 */ + uint32_t :8; /* reserved */ + /* Byte 2 */ + uint32_t powerpc_format:1; /* Set to 1 (indicating log is */ + /* in PowerPC format */ + uint32_t :3; /* reserved */ + uint32_t log_format:4; /* Log format indicator. Define */ + /* format used for byte 12-2047 */ + /* Byte 3 */ + uint32_t :8; /* reserved */ + /* Byte 4-11 */ + uint8_t reserved[8]; /* reserved */ + /* Byte 12-15 */ + uint32_t company_id; /* Company ID of the company */ + /* that defines the format for */ + /* the vendor specific log type */ + /* Byte 16-end of log */ + uint8_t vendor_log[1]; /* Start of vendor specific log */ + /* Variable length. */ }; /* diff --git a/arch/powerpc/include/asm/rwsem.h b/arch/powerpc/include/asm/rwsem.h index 8447d89fbe72..bb1e2cdeb9bf 100644 --- a/arch/powerpc/include/asm/rwsem.h +++ b/arch/powerpc/include/asm/rwsem.h @@ -13,11 +13,6 @@ * by Paul Mackerras <paulus@samba.org>. */ -#include <linux/list.h> -#include <linux/spinlock.h> -#include <asm/atomic.h> -#include <asm/system.h> - /* * the semaphore definition */ @@ -33,47 +28,6 @@ #define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS #define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS) -struct rw_semaphore { - long count; - spinlock_t wait_lock; - struct list_head wait_list; -#ifdef CONFIG_DEBUG_LOCK_ALLOC - struct lockdep_map dep_map; -#endif -}; - -#ifdef CONFIG_DEBUG_LOCK_ALLOC -# define __RWSEM_DEP_MAP_INIT(lockname) , .dep_map = { .name = #lockname } -#else -# define __RWSEM_DEP_MAP_INIT(lockname) -#endif - -#define __RWSEM_INITIALIZER(name) \ -{ \ - RWSEM_UNLOCKED_VALUE, \ - __SPIN_LOCK_UNLOCKED((name).wait_lock), \ - LIST_HEAD_INIT((name).wait_list) \ - __RWSEM_DEP_MAP_INIT(name) \ -} - -#define DECLARE_RWSEM(name) \ - struct rw_semaphore name = __RWSEM_INITIALIZER(name) - -extern struct rw_semaphore *rwsem_down_read_failed(struct rw_semaphore *sem); -extern struct rw_semaphore *rwsem_down_write_failed(struct rw_semaphore *sem); -extern struct rw_semaphore *rwsem_wake(struct rw_semaphore *sem); -extern struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem); - -extern void __init_rwsem(struct rw_semaphore *sem, const char *name, - struct lock_class_key *key); - -#define init_rwsem(sem) \ - do { \ - static struct lock_class_key __key; \ - \ - __init_rwsem((sem), #sem, &__key); \ - } while (0) - /* * lock for reading */ @@ -174,10 +128,5 @@ static inline long rwsem_atomic_update(long delta, struct rw_semaphore *sem) return atomic_long_add_return(delta, (atomic_long_t *)&sem->count); } -static inline int rwsem_is_locked(struct rw_semaphore *sem) -{ - return sem->count != 0; -} - #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_RWSEM_H */ diff --git a/arch/powerpc/include/asm/scom.h b/arch/powerpc/include/asm/scom.h new file mode 100644 index 000000000000..0cabfd7bc2d1 --- /dev/null +++ b/arch/powerpc/include/asm/scom.h @@ -0,0 +1,156 @@ +/* + * Copyright 2010 Benjamin Herrenschmidt, IBM Corp + * <benh@kernel.crashing.org> + * and David Gibson, IBM Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _ASM_POWERPC_SCOM_H +#define _ASM_POWERPC_SCOM_H + +#ifdef __KERNEL__ +#ifndef __ASSEMBLY__ +#ifdef CONFIG_PPC_SCOM + +/* + * The SCOM bus is a sideband bus used for accessing various internal + * registers of the processor or the chipset. The implementation details + * differ between processors and platforms, and the access method as + * well. + * + * This API allows to "map" ranges of SCOM register numbers associated + * with a given SCOM controller. The later must be represented by a + * device node, though some implementations might support NULL if there + * is no possible ambiguity + * + * Then, scom_read/scom_write can be used to accesses registers inside + * that range. The argument passed is a register number relative to + * the beginning of the range mapped. + */ + +typedef void *scom_map_t; + +/* Value for an invalid SCOM map */ +#define SCOM_MAP_INVALID (NULL) + +/* The scom_controller data structure is what the platform passes + * to the core code in scom_init, it provides the actual implementation + * of all the SCOM functions + */ +struct scom_controller { + scom_map_t (*map)(struct device_node *ctrl_dev, u64 reg, u64 count); + void (*unmap)(scom_map_t map); + + u64 (*read)(scom_map_t map, u32 reg); + void (*write)(scom_map_t map, u32 reg, u64 value); +}; + +extern const struct scom_controller *scom_controller; + +/** + * scom_init - Initialize the SCOM backend, called by the platform + * @controller: The platform SCOM controller + */ +static inline void scom_init(const struct scom_controller *controller) +{ + scom_controller = controller; +} + +/** + * scom_map_ok - Test is a SCOM mapping is successful + * @map: The result of scom_map to test + */ +static inline int scom_map_ok(scom_map_t map) +{ + return map != SCOM_MAP_INVALID; +} + +/** + * scom_map - Map a block of SCOM registers + * @ctrl_dev: Device node of the SCOM controller + * some implementations allow NULL here + * @reg: first SCOM register to map + * @count: Number of SCOM registers to map + */ + +static inline scom_map_t scom_map(struct device_node *ctrl_dev, + u64 reg, u64 count) +{ + return scom_controller->map(ctrl_dev, reg, count); +} + +/** + * scom_find_parent - Find the SCOM controller for a device + * @dev: OF node of the device + * + * This is not meant for general usage, but in combination with + * scom_map() allows to map registers not represented by the + * device own scom-reg property. Useful for applying HW workarounds + * on things not properly represented in the device-tree for example. + */ +struct device_node *scom_find_parent(struct device_node *dev); + + +/** + * scom_map_device - Map a device's block of SCOM registers + * @dev: OF node of the device + * @index: Register bank index (index in "scom-reg" property) + * + * This function will use the device-tree binding for SCOM which + * is to follow "scom-parent" properties until it finds a node with + * a "scom-controller" property to find the controller. It will then + * use the "scom-reg" property which is made of reg/count pairs, + * each of them having a size defined by the controller's #scom-cells + * property + */ +extern scom_map_t scom_map_device(struct device_node *dev, int index); + + +/** + * scom_unmap - Unmap a block of SCOM registers + * @map: Result of scom_map is to be unmapped + */ +static inline void scom_unmap(scom_map_t map) +{ + if (scom_map_ok(map)) + scom_controller->unmap(map); +} + +/** + * scom_read - Read a SCOM register + * @map: Result of scom_map + * @reg: Register index within that map + */ +static inline u64 scom_read(scom_map_t map, u32 reg) +{ + return scom_controller->read(map, reg); +} + +/** + * scom_write - Write to a SCOM register + * @map: Result of scom_map + * @reg: Register index within that map + * @value: Value to write + */ +static inline void scom_write(scom_map_t map, u32 reg, u64 value) +{ + scom_controller->write(map, reg, value); +} + +#endif /* CONFIG_PPC_SCOM */ +#endif /* __ASSEMBLY__ */ +#endif /* __KERNEL__ */ +#endif /* _ASM_POWERPC_SCOM_H */ diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h index 66e237bbe15f..11eb404b5606 100644 --- a/arch/powerpc/include/asm/smp.h +++ b/arch/powerpc/include/asm/smp.h @@ -20,6 +20,7 @@ #include <linux/threads.h> #include <linux/cpumask.h> #include <linux/kernel.h> +#include <linux/irqreturn.h> #ifndef __ASSEMBLY__ @@ -29,22 +30,41 @@ #include <asm/percpu.h> extern int boot_cpuid; +extern int boot_cpu_count; extern void cpu_die(void); #ifdef CONFIG_SMP -extern void smp_send_debugger_break(int cpu); -extern void smp_message_recv(int); +struct smp_ops_t { + void (*message_pass)(int cpu, int msg); +#ifdef CONFIG_PPC_SMP_MUXED_IPI + void (*cause_ipi)(int cpu, unsigned long data); +#endif + int (*probe)(void); + int (*kick_cpu)(int nr); + void (*setup_cpu)(int nr); + void (*bringup_done)(void); + void (*take_timebase)(void); + void (*give_timebase)(void); + int (*cpu_disable)(void); + void (*cpu_die)(unsigned int nr); + int (*cpu_bootable)(unsigned int nr); +}; + +extern void smp_send_debugger_break(void); +extern void start_secondary_resume(void); +extern void __devinit smp_generic_give_timebase(void); +extern void __devinit smp_generic_take_timebase(void); DECLARE_PER_CPU(unsigned int, cpu_pvr); #ifdef CONFIG_HOTPLUG_CPU -extern void fixup_irqs(const struct cpumask *map); +extern void migrate_irqs(void); int generic_cpu_disable(void); -int generic_cpu_enable(unsigned int cpu); void generic_cpu_die(unsigned int cpu); void generic_mach_cpu_die(void); +void generic_set_cpu_dead(unsigned int cpu); #endif #ifdef CONFIG_PPC64 @@ -92,13 +112,16 @@ extern int cpu_to_core_id(int cpu); #define PPC_MSG_CALL_FUNC_SINGLE 2 #define PPC_MSG_DEBUGGER_BREAK 3 -/* - * irq controllers that have dedicated ipis per message and don't - * need additional code in the action handler may use this - */ +/* for irq controllers that have dedicated ipis per message (4) */ extern int smp_request_message_ipi(int virq, int message); extern const char *smp_ipi_name[]; +/* for irq controllers with only a single ipi */ +extern void smp_muxed_ipi_set_data(int cpu, unsigned long data); +extern void smp_muxed_ipi_message_pass(int cpu, int msg); +extern void smp_muxed_ipi_resend(void); +extern irqreturn_t smp_ipi_demux(void); + void smp_init_iSeries(void); void smp_init_pSeries(void); void smp_init_cell(void); @@ -148,7 +171,7 @@ extern int smt_enabled_at_boot; extern int smp_mpic_probe(void); extern void smp_mpic_setup_cpu(int cpu); -extern void smp_generic_kick_cpu(int nr); +extern int smp_generic_kick_cpu(int nr); extern void smp_generic_give_timebase(void); extern void smp_generic_take_timebase(void); diff --git a/arch/powerpc/include/asm/spu_priv1.h b/arch/powerpc/include/asm/spu_priv1.h index 25020a34ce7f..d8f5c60f61c1 100644 --- a/arch/powerpc/include/asm/spu_priv1.h +++ b/arch/powerpc/include/asm/spu_priv1.h @@ -223,7 +223,7 @@ spu_disable_spu (struct spu_context *ctx) } /* - * The declarations folowing are put here for convenience + * The declarations following are put here for convenience * and only intended to be used by the platform setup code. */ diff --git a/arch/powerpc/include/asm/suspend.h b/arch/powerpc/include/asm/suspend.h deleted file mode 100644 index c6efc3466aa6..000000000000 --- a/arch/powerpc/include/asm/suspend.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_POWERPC_SUSPEND_H -#define __ASM_POWERPC_SUSPEND_H - -static inline int arch_prepare_suspend(void) { return 0; } - -#endif /* __ASM_POWERPC_SUSPEND_H */ diff --git a/arch/powerpc/include/asm/syscall.h b/arch/powerpc/include/asm/syscall.h index 23913e902fc3..b54b2add07be 100644 --- a/arch/powerpc/include/asm/syscall.h +++ b/arch/powerpc/include/asm/syscall.h @@ -15,6 +15,11 @@ #include <linux/sched.h> +/* ftrace syscalls requires exporting the sys_call_table */ +#ifdef CONFIG_FTRACE_SYSCALLS +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) { diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h index aa0f1ebb4aaf..f6736b7da463 100644 --- a/arch/powerpc/include/asm/systbl.h +++ b/arch/powerpc/include/asm/systbl.h @@ -348,3 +348,9 @@ COMPAT_SYS_SPU(sendmsg) COMPAT_SYS_SPU(recvmsg) COMPAT_SYS_SPU(recvmmsg) SYSCALL_SPU(accept4) +SYSCALL_SPU(name_to_handle_at) +COMPAT_SYS_SPU(open_by_handle_at) +COMPAT_SYS_SPU(clock_adjtime) +SYSCALL_SPU(syncfs) +COMPAT_SYS_SPU(sendmmsg) +SYSCALL_SPU(setns) diff --git a/arch/powerpc/include/asm/system.h b/arch/powerpc/include/asm/system.h index 5e474ddd2273..2dc595dda03b 100644 --- a/arch/powerpc/include/asm/system.h +++ b/arch/powerpc/include/asm/system.h @@ -219,8 +219,6 @@ extern int mem_init_done; /* set on boot once kmalloc can be called */ extern int init_bootmem_done; /* set once bootmem is available */ extern phys_addr_t memory_limit; extern unsigned long klimit; - -extern void *alloc_maybe_bootmem(size_t size, gfp_t mask); extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask); extern int powersave_nap; /* set if nap mode can be used in idle loop */ diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h index 65eb85976a03..836f231ec1f0 100644 --- a/arch/powerpc/include/asm/thread_info.h +++ b/arch/powerpc/include/asm/thread_info.h @@ -72,7 +72,7 @@ struct thread_info { #define __HAVE_ARCH_THREAD_INFO_ALLOCATOR -extern struct thread_info *alloc_thread_info(struct task_struct *tsk); +extern struct thread_info *alloc_thread_info_node(struct task_struct *tsk, int node); extern void free_thread_info(struct thread_info *ti); #endif /* THREAD_SHIFT < PAGE_SHIFT */ @@ -110,7 +110,8 @@ static inline struct thread_info *current_thread_info(void) #define TIF_NOERROR 12 /* Force successful syscall return */ #define TIF_NOTIFY_RESUME 13 /* callback before returning to user */ #define TIF_FREEZE 14 /* Freezing for suspend */ -#define TIF_RUNLATCH 15 /* Is the runlatch enabled? */ +#define TIF_SYSCALL_TRACEPOINT 15 /* syscall tracepoint instrumentation */ +#define TIF_RUNLATCH 16 /* Is the runlatch enabled? */ /* as above, but as bit values */ #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) @@ -127,8 +128,10 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_NOERROR (1<<TIF_NOERROR) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) #define _TIF_FREEZE (1<<TIF_FREEZE) +#define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT) #define _TIF_RUNLATCH (1<<TIF_RUNLATCH) -#define _TIF_SYSCALL_T_OR_A (_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP) +#define _TIF_SYSCALL_T_OR_A (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \ + _TIF_SECCOMP | _TIF_SYSCALL_TRACEPOINT) #define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \ _TIF_NOTIFY_RESUME) @@ -139,10 +142,12 @@ static inline struct thread_info *current_thread_info(void) #define TLF_NAPPING 0 /* idle thread enabled NAP mode */ #define TLF_SLEEPING 1 /* suspend code enabled SLEEP mode */ #define TLF_RESTORE_SIGMASK 2 /* Restore signal mask in do_signal */ +#define TLF_LAZY_MMU 3 /* tlb_batch is active */ #define _TLF_NAPPING (1 << TLF_NAPPING) #define _TLF_SLEEPING (1 << TLF_SLEEPING) #define _TLF_RESTORE_SIGMASK (1 << TLF_RESTORE_SIGMASK) +#define _TLF_LAZY_MMU (1 << TLF_LAZY_MMU) #ifndef __ASSEMBLY__ #define HAVE_SET_RESTORE_SIGMASK 1 diff --git a/arch/powerpc/include/asm/tlbflush.h b/arch/powerpc/include/asm/tlbflush.h index d50a380b2b6f..81143fcbd113 100644 --- a/arch/powerpc/include/asm/tlbflush.h +++ b/arch/powerpc/include/asm/tlbflush.h @@ -79,6 +79,8 @@ static inline void local_flush_tlb_mm(struct mm_struct *mm) #elif defined(CONFIG_PPC_STD_MMU_64) +#define MMU_NO_CONTEXT 0 + /* * TLB flushing for 64-bit hash-MMU CPUs */ diff --git a/arch/powerpc/include/asm/types.h b/arch/powerpc/include/asm/types.h index a5aea0ca34e9..8947b9827bc4 100644 --- a/arch/powerpc/include/asm/types.h +++ b/arch/powerpc/include/asm/types.h @@ -44,13 +44,6 @@ typedef struct { typedef __vector128 vector128; -#if defined(__powerpc64__) || defined(CONFIG_PHYS_64BIT) -typedef u64 dma_addr_t; -#else -typedef u32 dma_addr_t; -#endif -typedef u64 dma64_addr_t; - typedef struct { unsigned long entry; unsigned long toc; diff --git a/arch/powerpc/include/asm/udbg.h b/arch/powerpc/include/asm/udbg.h index 11ae699135ba..58580e94a2bb 100644 --- a/arch/powerpc/include/asm/udbg.h +++ b/arch/powerpc/include/asm/udbg.h @@ -52,6 +52,7 @@ extern void __init udbg_init_44x_as1(void); extern void __init udbg_init_40x_realmode(void); extern void __init udbg_init_cpm(void); extern void __init udbg_init_usbgecko(void); +extern void __init udbg_init_wsp(void); #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_UDBG_H */ diff --git a/arch/powerpc/include/asm/uninorth.h b/arch/powerpc/include/asm/uninorth.h index f737732c3861..d12b11d7641e 100644 --- a/arch/powerpc/include/asm/uninorth.h +++ b/arch/powerpc/include/asm/uninorth.h @@ -60,7 +60,7 @@ * * Obviously, the GART is not cache coherent and so any change to it * must be flushed to memory (or maybe just make the GART space non - * cachable). AGP memory itself doens't seem to be cache coherent neither. + * cachable). AGP memory itself doesn't seem to be cache coherent neither. * * In order to invalidate the GART (which is probably necessary to inval * the bridge internal TLBs), the following sequence has to be written, diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h index 6151937657f6..b8b3f599362b 100644 --- a/arch/powerpc/include/asm/unistd.h +++ b/arch/powerpc/include/asm/unistd.h @@ -367,10 +367,16 @@ #define __NR_recvmsg 342 #define __NR_recvmmsg 343 #define __NR_accept4 344 +#define __NR_name_to_handle_at 345 +#define __NR_open_by_handle_at 346 +#define __NR_clock_adjtime 347 +#define __NR_syncfs 348 +#define __NR_sendmmsg 349 +#define __NR_setns 350 #ifdef __KERNEL__ -#define __NR_syscalls 345 +#define __NR_syscalls 351 #define __NR__exit __NR_exit #define NR_syscalls __NR_syscalls diff --git a/arch/powerpc/include/asm/vdso_datapage.h b/arch/powerpc/include/asm/vdso_datapage.h index 25e39220e89c..b73a8199f161 100644 --- a/arch/powerpc/include/asm/vdso_datapage.h +++ b/arch/powerpc/include/asm/vdso_datapage.h @@ -57,7 +57,7 @@ struct vdso_data { } version; /* Note about the platform flags: it now only contains the lpar - * bit. The actual platform number is dead and burried + * bit. The actual platform number is dead and buried */ __u32 platform; /* Platform flags 0x18 */ __u32 processor; /* Processor type 0x1C */ diff --git a/arch/powerpc/include/asm/wsp.h b/arch/powerpc/include/asm/wsp.h new file mode 100644 index 000000000000..c7dc83088a33 --- /dev/null +++ b/arch/powerpc/include/asm/wsp.h @@ -0,0 +1,14 @@ +/* + * Copyright 2011 Michael Ellerman, IBM Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#ifndef __ASM_POWERPC_WSP_H +#define __ASM_POWERPC_WSP_H + +extern int wsp_get_chip_id(struct device_node *dn); + +#endif /* __ASM_POWERPC_WSP_H */ diff --git a/arch/powerpc/include/asm/xics.h b/arch/powerpc/include/asm/xics.h new file mode 100644 index 000000000000..b183a4062011 --- /dev/null +++ b/arch/powerpc/include/asm/xics.h @@ -0,0 +1,142 @@ +/* + * Common definitions accross all variants of ICP and ICS interrupt + * controllers. + */ + +#ifndef _XICS_H +#define _XICS_H + +#include <linux/interrupt.h> + +#define XICS_IPI 2 +#define XICS_IRQ_SPURIOUS 0 + +/* Want a priority other than 0. Various HW issues require this. */ +#define DEFAULT_PRIORITY 5 + +/* + * Mark IPIs as higher priority so we can take them inside interrupts that + * arent marked IRQF_DISABLED + */ +#define IPI_PRIORITY 4 + +/* The least favored priority */ +#define LOWEST_PRIORITY 0xFF + +/* The number of priorities defined above */ +#define MAX_NUM_PRIORITIES 3 + +/* Native ICP */ +extern int icp_native_init(void); + +/* PAPR ICP */ +extern int icp_hv_init(void); + +/* ICP ops */ +struct icp_ops { + unsigned int (*get_irq)(void); + void (*eoi)(struct irq_data *d); + void (*set_priority)(unsigned char prio); + void (*teardown_cpu)(void); + void (*flush_ipi)(void); +#ifdef CONFIG_SMP + void (*cause_ipi)(int cpu, unsigned long data); + irq_handler_t ipi_action; +#endif +}; + +extern const struct icp_ops *icp_ops; + +/* Native ICS */ +extern int ics_native_init(void); + +/* RTAS ICS */ +extern int ics_rtas_init(void); + +/* ICS instance, hooked up to chip_data of an irq */ +struct ics { + struct list_head link; + int (*map)(struct ics *ics, unsigned int virq); + void (*mask_unknown)(struct ics *ics, unsigned long vec); + long (*get_server)(struct ics *ics, unsigned long vec); + int (*host_match)(struct ics *ics, struct device_node *node); + char data[]; +}; + +/* Commons */ +extern unsigned int xics_default_server; +extern unsigned int xics_default_distrib_server; +extern unsigned int xics_interrupt_server_size; +extern struct irq_host *xics_host; + +struct xics_cppr { + unsigned char stack[MAX_NUM_PRIORITIES]; + int index; +}; + +DECLARE_PER_CPU(struct xics_cppr, xics_cppr); + +static inline void xics_push_cppr(unsigned int vec) +{ + struct xics_cppr *os_cppr = &__get_cpu_var(xics_cppr); + + if (WARN_ON(os_cppr->index >= MAX_NUM_PRIORITIES - 1)) + return; + + if (vec == XICS_IPI) + os_cppr->stack[++os_cppr->index] = IPI_PRIORITY; + else + os_cppr->stack[++os_cppr->index] = DEFAULT_PRIORITY; +} + +static inline unsigned char xics_pop_cppr(void) +{ + struct xics_cppr *os_cppr = &__get_cpu_var(xics_cppr); + + if (WARN_ON(os_cppr->index < 1)) + return LOWEST_PRIORITY; + + return os_cppr->stack[--os_cppr->index]; +} + +static inline void xics_set_base_cppr(unsigned char cppr) +{ + struct xics_cppr *os_cppr = &__get_cpu_var(xics_cppr); + + /* we only really want to set the priority when there's + * just one cppr value on the stack + */ + WARN_ON(os_cppr->index != 0); + + os_cppr->stack[0] = cppr; +} + +static inline unsigned char xics_cppr_top(void) +{ + struct xics_cppr *os_cppr = &__get_cpu_var(xics_cppr); + + return os_cppr->stack[os_cppr->index]; +} + +DECLARE_PER_CPU_SHARED_ALIGNED(unsigned long, xics_ipi_message); + +extern void xics_init(void); +extern void xics_setup_cpu(void); +extern void xics_update_irq_servers(void); +extern void xics_set_cpu_giq(unsigned int gserver, unsigned int join); +extern void xics_mask_unknown_vec(unsigned int vec); +extern irqreturn_t xics_ipi_dispatch(int cpu); +extern int xics_smp_probe(void); +extern void xics_register_ics(struct ics *ics); +extern void xics_teardown_cpu(void); +extern void xics_kexec_teardown_cpu(int secondary); +extern void xics_migrate_irqs_away(void); +#ifdef CONFIG_SMP +extern int xics_get_irq_server(unsigned int virq, const struct cpumask *cpumask, + unsigned int strict_check); +#else +#define xics_get_irq_server(virq, cpumask, strict_check) (xics_default_server) +#endif + + +#endif /* _XICS_H */ |