diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-sparc/atomic.h | 38 | ||||
| -rw-r--r-- | include/asm-sparc64/bugs.h | 8 | ||||
| -rw-r--r-- | include/asm-sparc64/cpudata.h | 24 | ||||
| -rw-r--r-- | include/asm-sparc64/hypervisor.h | 643 | ||||
| -rw-r--r-- | include/asm-sparc64/kdebug.h | 1 | ||||
| -rw-r--r-- | include/asm-sparc64/mdesc.h | 39 | ||||
| -rw-r--r-- | include/asm-sparc64/oplib.h | 7 | ||||
| -rw-r--r-- | include/asm-sparc64/percpu.h | 4 | ||||
| -rw-r--r-- | include/asm-sparc64/prom.h | 1 | ||||
| -rw-r--r-- | include/asm-sparc64/smp.h | 4 | ||||
| -rw-r--r-- | include/asm-sparc64/sstate.h | 13 | ||||
| -rw-r--r-- | include/asm-sparc64/thread_info.h | 8 | ||||
| -rw-r--r-- | include/asm-sparc64/topology.h | 3 | ||||
| -rw-r--r-- | include/asm-sparc64/tsb.h | 2 | ||||
| -rw-r--r-- | include/linux/timer.h | 6 |
15 files changed, 733 insertions, 68 deletions
diff --git a/include/asm-sparc/atomic.h b/include/asm-sparc/atomic.h index 731fa56..bdca541 100644 --- a/include/asm-sparc/atomic.h +++ b/include/asm-sparc/atomic.h @@ -2,6 +2,7 @@ * * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) * Copyright (C) 2000 Anton Blanchard (anton@linuxcare.com.au) + * Copyright (C) 2007 Kyle McMartin (kyle@parisc-linux.org) * * Additions by Keith M Wesolowski (wesolows@foobazco.org) based * on asm-parisc/atomic.h Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>. @@ -10,11 +11,48 @@ #ifndef __ARCH_SPARC_ATOMIC__ #define __ARCH_SPARC_ATOMIC__ +#include <linux/types.h> typedef struct { volatile int counter; } atomic_t; #ifdef __KERNEL__ +/* Emulate cmpxchg() the same way we emulate atomics, + * by hashing the object address and indexing into an array + * of spinlocks to get a bit of performance... + * + * See arch/sparc/lib/atomic32.c for implementation. + * + * Cribbed from <asm-parisc/atomic.h> + */ +#define __HAVE_ARCH_CMPXCHG 1 + +/* bug catcher for when unsupported size is used - won't link */ +extern void __cmpxchg_called_with_bad_pointer(void); +/* we only need to support cmpxchg of a u32 on sparc */ +extern unsigned long __cmpxchg_u32(volatile u32 *m, u32 old, u32 new_); + +/* don't worry...optimizer will get rid of most of this */ +static __inline__ unsigned long +__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new_, int size) +{ + switch(size) { + case 4: + return __cmpxchg_u32((u32 *)ptr, (u32)old, (u32)new_); + default: + __cmpxchg_called_with_bad_pointer(); + break; + } + return old; +} + +#define cmpxchg(ptr,o,n) ({ \ + __typeof__(*(ptr)) _o_ = (o); \ + __typeof__(*(ptr)) _n_ = (n); \ + (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \ + (unsigned long)_n_, sizeof(*(ptr))); \ +}) + #define ATOMIC_INIT(i) { (i) } extern int __atomic_add_return(int, atomic_t *); diff --git a/include/asm-sparc64/bugs.h b/include/asm-sparc64/bugs.h index 120422f..bf39d86 100644 --- a/include/asm-sparc64/bugs.h +++ b/include/asm-sparc64/bugs.h @@ -1,9 +1,8 @@ -/* $Id: bugs.h,v 1.1 1996/12/26 13:25:20 davem Exp $ - * include/asm-sparc64/bugs.h: Sparc probes for various bugs. +/* bugs.h: Sparc64 probes for various bugs. * - * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) + * Copyright (C) 1996, 2007 David S. Miller (davem@davemloft.net) */ - +#include <asm/sstate.h> extern unsigned long loops_per_jiffy; @@ -12,4 +11,5 @@ static void __init check_bugs(void) #ifndef CONFIG_SMP cpu_data(0).udelay_val = loops_per_jiffy; #endif + sstate_running(); } diff --git a/include/asm-sparc64/cpudata.h b/include/asm-sparc64/cpudata.h index e89922d..03c385d 100644 --- a/include/asm-sparc64/cpudata.h +++ b/include/asm-sparc64/cpudata.h @@ -17,11 +17,11 @@ typedef struct { /* Dcache line 1 */ unsigned int __softirq_pending; /* must be 1st, see rtrap.S */ - unsigned int __pad0_1; - unsigned int __pad0_2; - unsigned int __pad1; + unsigned int __pad0; unsigned long clock_tick; /* %tick's per second */ unsigned long udelay_val; + unsigned int __pad1; + unsigned int __pad2; /* Dcache line 2, rarely used */ unsigned int dcache_size; @@ -30,8 +30,8 @@ typedef struct { unsigned int icache_line_size; unsigned int ecache_size; unsigned int ecache_line_size; + int core_id; unsigned int __pad3; - unsigned int __pad4; } cpuinfo_sparc; DECLARE_PER_CPU(cpuinfo_sparc, __cpu_data); @@ -76,12 +76,18 @@ struct trap_per_cpu { /* Dcache line 8: IRQ work list, and keep trap_block a power-of-2 in size. */ unsigned int irq_worklist; - unsigned int __pad1; - unsigned long __pad2[3]; + unsigned int cpu_mondo_qmask; + unsigned int dev_mondo_qmask; + unsigned int resum_qmask; + unsigned int nonresum_qmask; + unsigned int __pad2[3]; } __attribute__((aligned(64))); extern struct trap_per_cpu trap_block[NR_CPUS]; extern void init_cur_cpu_trap(struct thread_info *); extern void setup_tba(void); +extern int ncpus_probed; + +extern unsigned long real_hard_smp_processor_id(void); struct cpuid_patch_entry { unsigned int addr; @@ -122,6 +128,10 @@ extern struct sun4v_2insn_patch_entry __sun4v_2insn_patch, #define TRAP_PER_CPU_TSB_HUGE 0xd0 #define TRAP_PER_CPU_TSB_HUGE_TEMP 0xd8 #define TRAP_PER_CPU_IRQ_WORKLIST 0xe0 +#define TRAP_PER_CPU_CPU_MONDO_QMASK 0xe4 +#define TRAP_PER_CPU_DEV_MONDO_QMASK 0xe8 +#define TRAP_PER_CPU_RESUM_QMASK 0xec +#define TRAP_PER_CPU_NONRESUM_QMASK 0xf0 #define TRAP_BLOCK_SZ_SHIFT 8 @@ -192,7 +202,7 @@ extern struct sun4v_2insn_patch_entry __sun4v_2insn_patch, * the calculations done by the macro mid-stream. */ #define LOAD_PER_CPU_BASE(DEST, THR, REG1, REG2, REG3) \ - ldub [THR + TI_CPU], REG1; \ + lduh [THR + TI_CPU], REG1; \ sethi %hi(__per_cpu_shift), REG3; \ sethi %hi(__per_cpu_base), REG2; \ ldx [REG3 + %lo(__per_cpu_shift)], REG3; \ diff --git a/include/asm-sparc64/hypervisor.h b/include/asm-sparc64/hypervisor.h index a5558c8..5cdb1ff 100644 --- a/include/asm-sparc64/hypervisor.h +++ b/include/asm-sparc64/hypervisor.h @@ -73,6 +73,8 @@ #define HV_ENOTSUPPORTED 13 /* Function not supported */ #define HV_ENOMAP 14 /* No mapping found */ #define HV_ETOOMANY 15 /* Too many items specified */ +#define HV_ECHANNEL 16 /* Invalid LDC channel */ +#define HV_EBUSY 17 /* Resource busy */ /* mach_exit() * TRAP: HV_FAST_TRAP @@ -95,6 +97,10 @@ */ #define HV_FAST_MACH_EXIT 0x00 +#ifndef __ASSEMBLY__ +extern void sun4v_mach_exit(unsigned long exit_core); +#endif + /* Domain services. */ /* mach_desc() @@ -120,7 +126,13 @@ */ #define HV_FAST_MACH_DESC 0x01 -/* mach_exit() +#ifndef __ASSEMBLY__ +extern unsigned long sun4v_mach_desc(unsigned long buffer_pa, + unsigned long buf_len, + unsigned long *real_buf_len); +#endif + +/* mach_sir() * TRAP: HV_FAST_TRAP * FUNCTION: HV_FAST_MACH_SIR * ERRORS: This service does not return. @@ -135,53 +147,66 @@ */ #define HV_FAST_MACH_SIR 0x02 -/* mach_set_soft_state() +#ifndef __ASSEMBLY__ +extern void sun4v_mach_sir(void); +#endif + +/* mach_set_watchdog() * TRAP: HV_FAST_TRAP - * FUNCTION: HV_FAST_MACH_SET_SOFT_STATE - * ARG0: software state - * ARG1: software state description pointer + * FUNCTION: HV_FAST_MACH_SET_WATCHDOG + * ARG0: timeout in milliseconds * RET0: status - * ERRORS: EINVAL software state not valid or software state - * description is not NULL terminated - * ENORADDR software state description pointer is not a - * valid real address - * EBADALIGNED software state description is not correctly - * aligned + * RET1: time remaining in milliseconds * - * This allows the guest to report it's soft state to the hypervisor. There - * are two primary components to this state. The first part states whether - * the guest software is running or not. The second containts optional - * details specific to the software. + * A guest uses this API to set a watchdog timer. Once the gues has set + * the timer, it must call the timer service again either to disable or + * postpone the expiration. If the timer expires before being reset or + * disabled, then the hypervisor take a platform specific action leading + * to guest termination within a bounded time period. The platform action + * may include recovery actions such as reporting the expiration to a + * Service Processor, and/or automatically restarting the gues. * - * The software state argument is defined below in HV_SOFT_STATE_*, and - * indicates whether the guest is operating normally or in a transitional - * state. + * The 'timeout' parameter is specified in milliseconds, however the + * implementated granularity is given by the 'watchdog-resolution' + * property in the 'platform' node of the guest's machine description. + * The largest allowed timeout value is specified by the + * 'watchdog-max-timeout' property of the 'platform' node. * - * The software state description argument is a real address of a data buffer - * of size 32-bytes aligned on a 32-byte boundary. It is treated as a NULL - * terminated 7-bit ASCII string of up to 31 characters not including the - * NULL termination. - */ -#define HV_FAST_MACH_SET_SOFT_STATE 0x03 -#define HV_SOFT_STATE_NORMAL 0x01 -#define HV_SOFT_STATE_TRANSITION 0x02 - -/* mach_get_soft_state() - * TRAP: HV_FAST_TRAP - * FUNCTION: HV_FAST_MACH_GET_SOFT_STATE - * ARG0: software state description pointer - * RET0: status - * RET1: software state - * ERRORS: ENORADDR software state description pointer is not a - * valid real address - * EBADALIGNED software state description is not correctly - * aligned + * If the 'timeout' argument is not zero, the watchdog timer is set to + * expire after a minimum of 'timeout' milliseconds. * - * Retrieve the current value of the guest's software state. The rules - * for the software state pointer are the same as for mach_set_soft_state() - * above. + * If the 'timeout' argument is zero, the watchdog timer is disabled. + * + * If the 'timeout' value exceeds the value of the 'max-watchdog-timeout' + * property, the hypervisor leaves the watchdog timer state unchanged, + * and returns a status of EINVAL. + * + * The 'time remaining' return value is valid regardless of whether the + * return status is EOK or EINVAL. A non-zero return value indicates the + * number of milliseconds that were remaining until the timer was to expire. + * If less than one millisecond remains, the return value is '1'. If the + * watchdog timer was disabled at the time of the call, the return value is + * zero. + * + * If the hypervisor cannot support the exact timeout value requested, but + * can support a larger timeout value, the hypervisor may round the actual + * timeout to a value larger than the requested timeout, consequently the + * 'time remaining' return value may be larger than the previously requested + * timeout value. + * + * Any guest OS debugger should be aware that the watchdog service may be in + * use. Consequently, it is recommended that the watchdog service is + * disabled upon debugger entry (e.g. reaching a breakpoint), and then + * re-enabled upon returning to normal execution. The API has been designed + * with this in mind, and the 'time remaining' result of the disable call may + * be used directly as the timeout argument of the re-enable call. */ -#define HV_FAST_MACH_GET_SOFT_STATE 0x04 +#define HV_FAST_MACH_SET_WATCHDOG 0x05 + +#ifndef __ASSEMBLY__ +extern unsigned long sun4v_mach_set_watchdog(unsigned long timeout, + unsigned long *orig_timeout); +#endif /* CPU services. * @@ -206,8 +231,8 @@ * FUNCTION: HV_FAST_CPU_START * ARG0: CPU ID * ARG1: PC - * ARG1: RTBA - * ARG1: target ARG0 + * ARG2: RTBA + * ARG3: target ARG0 * RET0: status * ERRORS: ENOCPU Invalid CPU ID * EINVAL Target CPU ID is not in the stopped state @@ -224,6 +249,13 @@ */ #define HV_FAST_CPU_START 0x10 +#ifndef __ASSEMBLY__ +extern unsigned long sun4v_cpu_start(unsigned long cpuid, + unsigned long pc, + unsigned long rtba, + unsigned long arg0); +#endif + /* cpu_stop() * TRAP: HV_FAST_TRAP * FUNCTION: HV_FAST_CPU_STOP @@ -245,6 +277,10 @@ */ #define HV_FAST_CPU_STOP 0x11 +#ifndef __ASSEMBLY__ +extern unsigned long sun4v_cpu_stop(unsigned long cpuid); +#endif + /* cpu_yield() * TRAP: HV_FAST_TRAP * FUNCTION: HV_FAST_CPU_YIELD @@ -588,6 +624,11 @@ struct hv_fault_status { */ #define HV_FAST_MMU_TSB_CTX0 0x20 +#ifndef __ASSEMBLY__ +extern unsigned long sun4v_mmu_tsb_ctx0(unsigned long num_descriptions, + unsigned long tsb_desc_ra); +#endif + /* mmu_tsb_ctxnon0() * TRAP: HV_FAST_TRAP * FUNCTION: HV_FAST_MMU_TSB_CTXNON0 @@ -694,6 +735,13 @@ struct hv_fault_status { */ #define HV_FAST_MMU_MAP_PERM_ADDR 0x25 +#ifndef __ASSEMBLY__ +extern unsigned long sun4v_mmu_map_perm_addr(unsigned long vaddr, + unsigned long set_to_zero, + unsigned long tte, + unsigned long flags); +#endif + /* mmu_fault_area_conf() * TRAP: HV_FAST_TRAP * FUNCTION: HV_FAST_MMU_FAULT_AREA_CONF @@ -892,6 +940,10 @@ struct hv_fault_status { */ #define HV_FAST_TOD_GET 0x50 +#ifndef __ASSEMBLY__ +extern unsigned long sun4v_tod_get(unsigned long *time); +#endif + /* tod_set() * TRAP: HV_FAST_TRAP * FUNCTION: HV_FAST_TOD_SET @@ -905,6 +957,10 @@ struct hv_fault_status { */ #define HV_FAST_TOD_SET 0x51 +#ifndef __ASSEMBLY__ +extern unsigned long sun4v_tod_set(unsigned long time); +#endif + /* Console services */ /* con_getchar() @@ -988,6 +1044,59 @@ extern unsigned long sun4v_con_write(unsigned long buffer, unsigned long *bytes_written); #endif +/* mach_set_soft_state() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_MACH_SET_SOFT_STATE + * ARG0: software state + * ARG1: software state description pointer + * RET0: status + * ERRORS: EINVAL software state not valid or software state + * description is not NULL terminated + * ENORADDR software state description pointer is not a + * valid real address + * EBADALIGNED software state description is not correctly + * aligned + * + * This allows the guest to report it's soft state to the hypervisor. There + * are two primary components to this state. The first part states whether + * the guest software is running or not. The second containts optional + * details specific to the software. + * + * The software state argument is defined below in HV_SOFT_STATE_*, and + * indicates whether the guest is operating normally or in a transitional + * state. + * + * The software state description argument is a real address of a data buffer + * of size 32-bytes aligned on a 32-byte boundary. It is treated as a NULL + * terminated 7-bit ASCII string of up to 31 characters not including the + * NULL termination. + */ +#define HV_FAST_MACH_SET_SOFT_STATE 0x70 +#define HV_SOFT_STATE_NORMAL 0x01 +#define HV_SOFT_STATE_TRANSITION 0x02 + +#ifndef __ASSEMBLY__ +extern unsigned long sun4v_mach_set_soft_state(unsigned long soft_state, + unsigned long msg_string_ra); +#endif + +/* mach_get_soft_state() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_MACH_GET_SOFT_STATE + * ARG0: software state description pointer + * RET0: status + * RET1: software state + * ERRORS: ENORADDR software state description pointer is not a + * valid real address + * EBADALIGNED software state description is not correctly + * aligned + * + * Retrieve the current value of the guest's software state. The rules + * for the software state pointer are the same as for mach_set_soft_state() + * above. + */ +#define HV_FAST_MACH_GET_SOFT_STATE 0x71 + /* Trap trace services. * * The hypervisor provides a trap tracing capability for privileged @@ -1379,6 +1488,113 @@ extern unsigned long sun4v_intr_gettarget(unsigned long sysino); extern unsigned long sun4v_intr_settarget(unsigned long sysino, unsigned long cpuid); #endif +/* vintr_get_cookie() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_VINTR_GET_COOKIE + * ARG0: device handle + * ARG1: device ino + * RET0: status + * RET1: cookie + */ +#define HV_FAST_VINTR_GET_COOKIE 0xa7 + +/* vintr_set_cookie() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_VINTR_SET_COOKIE + * ARG0: device handle + * ARG1: device ino + * ARG2: cookie + * RET0: status + */ +#define HV_FAST_VINTR_SET_COOKIE 0xa8 + +/* vintr_get_valid() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_VINTR_GET_VALID + * ARG0: device handle + * ARG1: device ino + * RET0: status + * RET1: valid state + */ +#define HV_FAST_VINTR_GET_VALID 0xa9 + +/* vintr_set_valid() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_VINTR_SET_VALID + * ARG0: device handle + * ARG1: device ino + * ARG2: valid state + * RET0: status + */ +#define HV_FAST_VINTR_SET_VALID 0xaa + +/* vintr_get_state() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_VINTR_GET_STATE + * ARG0: device handle + * ARG1: device ino + * RET0: status + * RET1: state + */ +#define HV_FAST_VINTR_GET_STATE 0xab + +/* vintr_set_state() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_VINTR_SET_STATE + * ARG0: device handle + * ARG1: device ino + * ARG2: state + * RET0: status + */ +#define HV_FAST_VINTR_SET_STATE 0xac + +/* vintr_get_target() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_VINTR_GET_TARGET + * ARG0: device handle + * ARG1: device ino + * RET0: status + * RET1: cpuid + */ +#define HV_FAST_VINTR_GET_TARGET 0xad + +/* vintr_set_target() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_VINTR_SET_TARGET + * ARG0: device handle + * ARG1: device ino + * ARG2: cpuid + * RET0: status + */ +#define HV_FAST_VINTR_SET_TARGET 0xae + +#ifndef __ASSEMBLY__ +extern unsigned long sun4v_vintr_get_cookie(unsigned long dev_handle, + unsigned long dev_ino, + unsigned long *cookie); +extern unsigned long sun4v_vintr_set_cookie(unsigned long dev_handle, + unsigned long dev_ino, + unsigned long cookie); +extern unsigned long sun4v_vintr_get_valid(unsigned long dev_handle, + unsigned long dev_ino, + unsigned long *valid); +extern unsigned long sun4v_vintr_set_valid(unsigned long dev_handle, + unsigned long dev_ino, + unsigned long valid); +extern unsigned long sun4v_vintr_get_state(unsigned long dev_handle, + unsigned long dev_ino, + unsigned long *state); +extern unsigned long sun4v_vintr_set_state(unsigned long dev_handle, + unsigned long dev_ino, + unsigned long state); +extern unsigned long sun4v_vintr_get_target(unsigned long dev_handle, + unsigned long dev_ino, + unsigned long *cpuid); +extern unsigned long sun4v_vintr_set_target(unsigned long dev_handle, + unsigned long dev_ino, + unsigned long cpuid); +#endif + /* PCI IO services. * * See the terminology descriptions in the device interrupt services @@ -2037,6 +2253,346 @@ extern unsigned long sun4v_intr_settarget(unsigned long sysino, unsigned long cp */ #define HV_FAST_PCI_MSG_SETVALID 0xd3 +/* Logical Domain Channel services. */ + +#define LDC_CHANNEL_DOWN 0 +#define LDC_CHANNEL_UP 1 +#define LDC_CHANNEL_RESETTING 2 + +/* ldc_tx_qconf() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_LDC_TX_QCONF + * ARG0: channel ID + * ARG1: real address base of queue + * ARG2: num entries in queue + * RET0: status + * + * Configure transmit queue for the LDC endpoint specified by the + * given channel ID, to be placed at the given real address, and + * be of the given num entries. Num entries must be a power of two. + * The real address base of the queue must be aligned on the queue + * size. Each queue entry is 64-bytes, so for example, a 32 entry + * queue must be aligned on a 2048 byte real address boundary. + * + * Upon configuration of a valid transmit queue the head and tail + * pointers are set to a hypervisor specific identical value indicating + * that the queue initially is empty. + * + * The endpoint's transmit queue is un-configured if num entries is zero. + * + * The maximum number of entries for each queue for a specific cpu may be + * determined from the machine description. A transmit queue may be + * specified even in the event that the LDC is down (peer endpoint has no + * receive queue specified). Transmission will begin as soon as the peer + * endpoint defines a receive queue. + * + * It is recommended that a guest wait for a transmit queue to empty prior + * to reconfiguring it, or un-configuring it. Re or un-configuring of a + * non-empty transmit queue behaves exactly as defined above, however it + * is undefined as to how many of the pending entries in the original queue + * will be delivered prior to the re-configuration taking effect. + * Furthermore, as the queue configuration causes a reset of the head and + * tail pointers there is no way for a guest to determine how many entries + * have been sent after the configuration operation. + */ +#define HV_FAST_LDC_TX_QCONF 0xe0 + +/* ldc_tx_qinfo() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_LDC_TX_QINFO + * ARG0: channel ID + * RET0: status + * RET1: real address base of queue + * RET2: num entries in queue + * + * Return the configuration info for the transmit queue of LDC endpoint + * defined by the given channel ID. The real address is the currently + * defined real address base of the defined queue, and num entries is the + * size of the queue in terms of number of entries. + * + * If the specified channel ID is a valid endpoint number, but no transmit + * queue has been defined this service will return success, but with num + * entries set to zero and the real address will have an undefined value. + */ +#define HV_FAST_LDC_TX_QINFO 0xe1 + +/* ldc_tx_get_state() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_LDC_TX_GET_STATE + * ARG0: channel ID + * RET0: status + * RET1: head offset + * RET2: tail offset + * RET3: channel state + * + * Return the transmit state, and the head and tail queue pointers, for + * the transmit queue of the LDC endpoint defined by the given channel ID. + * The head and tail values are the byte offset of the head and tail + * positions of the transmit queue for the specified endpoint. + */ +#define HV_FAST_LDC_TX_GET_STATE 0xe2 + +/* ldc_tx_set_qtail() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_LDC_TX_SET_QTAIL + * ARG0: channel ID + * ARG1: tail offset + * RET0: status + * + * Update the tail pointer for the transmit queue associated with the LDC + * endpoint defined by the given channel ID. The tail offset specified + * must be aligned on a 64 byte boundary, and calculated so as to increase + * the number of pending entries on the transmit queue. Any attempt to + * decrease the number of pending transmit queue entires is considered + * an invalid tail offset and will result in an EINVAL error. + * + * Since the tail of the transmit queue may not be moved backwards, the + * transmit queue may be flushed by configuring a new transmit queue, + * whereupon the hypervisor will configure the initial transmit head and + * tail pointers to be equal. + */ +#define HV_FAST_LDC_TX_SET_QTAIL 0xe3 + +/* ldc_rx_qconf() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_LDC_RX_QCONF + * ARG0: channel ID + * ARG1: real address base of queue + * ARG2: num entries in queue + * RET0: status + * + * Configure receive queue for the LDC endpoint specified by the + * given channel ID, to be placed at the given real address, and + * be of the given num entries. Num entries must be a power of two. + * The real address base of the queue must be aligned on the queue + * size. Each queue entry is 64-bytes, so for example, a 32 entry + * queue must be aligned on a 2048 byte real address boundary. + * + * The endpoint's transmit queue is un-configured if num entries is zero. + * + * If a valid receive queue is specified for a local endpoint the LDC is + * in the up state for the purpose of transmission to this endpoint. + * + * The maximum number of entries for each queue for a specific cpu may be + * determined from the machine description. + * + * As receive queue configuration causes a reset of the queue's head and + * tail pointers there is no way for a gues to determine how many entries + * have been received between a preceeding ldc_get_rx_state() API call + * and the completion of the configuration operation. It should be noted + * that datagram delivery is not guarenteed via domain channels anyway, + * and therefore any higher protocol should be resilient to datagram + * loss if necessary. However, to overcome this specific race potential + * it is recommended, for example, that a higher level protocol be employed + * to ensure either retransmission, or ensure that no datagrams are pending + * on the peer endpoint's transmit queue prior to the configuration process. + */ +#define HV_FAST_LDC_RX_QCONF 0xe4 + +/* ldc_rx_qinfo() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_LDC_RX_QINFO + * ARG0: channel ID + * RET0: status + * RET1: real address base of queue + * RET2: num entries in queue + * + * Return the configuration info for the receive queue of LDC endpoint + * defined by the given channel ID. The real address is the currently + * defined real address base of the defined queue, and num entries is the + * size of the queue in terms of number of entries. + * + * If the specified channel ID is a valid endpoint number, but no receive + * queue has been defined this service will return success, but with num + * entries set to zero and the real address will have an undefined value. + */ +#define HV_FAST_LDC_RX_QINFO 0xe5 + +/* ldc_rx_get_state() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_LDC_RX_GET_STATE + * ARG0: channel ID + * RET0: status + * RET1: head offset + * RET2: tail offset + * RET3: channel state + * + * Return the receive state, and the head and tail queue pointers, for + * the receive queue of the LDC endpoint defined by the given channel ID. + * The head and tail values are the byte offset of the head and tail + * positions of the receive queue for the specified endpoint. + */ +#define HV_FAST_LDC_RX_GET_STATE 0xe6 + +/* ldc_rx_set_qhead() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_LDC_RX_SET_QHEAD + * ARG0: channel ID + * ARG1: head offset + * RET0: status + * + * Update the head pointer for the receive queue associated with the LDC + * endpoint defined by the given channel ID. The head offset specified + * must be aligned on a 64 byte boundary, and calculated so as to decrease + * the number of pending entries on the receive queue. Any attempt to + * increase the number of pending receive queue entires is considered + * an invalid head offset and will result in an EINVAL error. + * + * The receive queue may be flushed by setting the head offset equal + * to the current tail offset. + */ +#define HV_FAST_LDC_RX_SET_QHEAD 0xe7 + +/* LDC Map Table Entry. Each slot is defined by a translation table + * entry, as specified by the LDC_MTE_* bits below, and a 64-bit + * hypervisor invalidation cookie. + */ +#define LDC_MTE_PADDR 0x0fffffffffffe000 /* pa[55:13] */ +#define LDC_MTE_COPY_W 0x0000000000000400 /* copy write access */ +#define LDC_MTE_COPY_R 0x0000000000000200 /* copy read access */ +#define LDC_MTE_IOMMU_W 0x0000000000000100 /* IOMMU write access */ +#define LDC_MTE_IOMMU_R 0x0000000000000080 /* IOMMU read access */ +#define LDC_MTE_EXEC 0x0000000000000040 /* execute */ +#define LDC_MTE_WRITE 0x0000000000000020 /* read */ +#define LDC_MTE_READ 0x0000000000000010 /* write */ +#define LDC_MTE_SZALL 0x000000000000000f /* page size bits */ +#define LDC_MTE_SZ16GB 0x0000000000000007 /* 16GB page */ +#define LDC_MTE_SZ2GB 0x0000000000000006 /* 2GB page */ +#define LDC_MTE_SZ256MB 0x0000000000000005 /* 256MB page */ +#define LDC_MTE_SZ32MB 0x0000000000000004 /* 32MB page */ +#define LDC_MTE_SZ4MB 0x0000000000000003 /* 4MB page */ +#define LDC_MTE_SZ512K 0x0000000000000002 /* 512K page */ +#define LDC_MTE_SZ64K 0x0000000000000001 /* 64K page */ +#define LDC_MTE_SZ8K 0x0000000000000000 /* 8K page */ + +#ifndef __ASSEMBLY__ +struct ldc_mtable_entry { + unsigned long mte; + unsigned long cookie; +}; +#endif + +/* ldc_set_map_table() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_LDC_SET_MAP_TABLE + * ARG0: channel ID + * ARG1: table real address + * ARG2: num entries + * RET0: status + * + * Register the MTE table at the given table real address, with the + * specified num entries, for the LDC indicated by the given channel + * ID. + */ +#define HV_FAST_LDC_SET_MAP_TABLE 0xea + +/* ldc_get_map_table() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_LDC_GET_MAP_TABLE + * ARG0: channel ID + * RET0: status + * RET1: table real address + * RET2: num entries + * + * Return the configuration of the current mapping table registered + * for the given channel ID. + */ +#define HV_FAST_LDC_GET_MAP_TABLE 0xeb + +#define LDC_COPY_IN 0 +#define LDC_COPY_OUT 1 + +/* ldc_copy() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_LDC_COPY + * ARG0: channel ID + * ARG1: LDC_COPY_* direction code + * ARG2: target real address + * ARG3: local real address + * ARG4: length in bytes + * RET0: status + * RET1: actual length in bytes + */ +#define HV_FAST_LDC_COPY 0xec + +#define LDC_MEM_READ 1 +#define LDC_MEM_WRITE 2 +#define LDC_MEM_EXEC 4 + +/* ldc_mapin() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_LDC_MAPIN + * ARG0: channel ID + * ARG1: cookie + * RET0: status + * RET1: real address + * RET2: LDC_MEM_* permissions + */ +#define HV_FAST_LDC_MAPIN 0xed + +/* ldc_unmap() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_LDC_UNMAP + * ARG0: real address + * RET0: status + */ +#define HV_FAST_LDC_UNMAP 0xee + +/* ldc_revoke() + * TRAP: HV_FAST_TRAP + * FUNCTION: HV_FAST_LDC_REVOKE + * ARG0: cookie + * ARG1: ldc_mtable_entry cookie + * RET0: status + */ +#define HV_FAST_LDC_REVOKE 0xef + +#ifndef __ASSEMBLY__ +extern unsigned long sun4v_ldc_tx_qconf(unsigned long channel, + unsigned long ra, + unsigned long num_entries); +extern unsigned long sun4v_ldc_tx_qinfo(unsigned long channel, + unsigned long *ra, + unsigned long *num_entries); +extern unsigned long sun4v_ldc_tx_get_state(unsigned long channel, + unsigned long *head_off, + unsigned long *tail_off, + unsigned long *chan_state); +extern unsigned long sun4v_ldc_tx_set_qtail(unsigned long channel, + unsigned long tail_off); +extern unsigned long sun4v_ldc_rx_qconf(unsigned long channel, + unsigned long ra, + unsigned long num_entries); +extern unsigned long sun4v_ldc_rx_qinfo(unsigned long channel, + unsigned long *ra, + unsigned long *num_entries); +extern unsigned long sun4v_ldc_rx_get_state(unsigned long channel, + unsigned long *head_off, + unsigned long *tail_off, + unsigned long *chan_state); +extern unsigned long sun4v_ldc_rx_set_qhead(unsigned long channel, + unsigned long head_off); +extern unsigned long sun4v_ldc_set_map_table(unsigned long channel, + unsigned long ra, + unsigned long num_entries); +extern unsigned long sun4v_ldc_get_map_table(unsigned long channel, + unsigned long *ra, + unsigned long *num_entries); +extern unsigned long sun4v_ldc_copy(unsigned long channel, + unsigned long dir_code, + unsigned long tgt_raddr, + unsigned long lcl_raddr, + unsigned long len, + unsigned long *actual_len); +extern unsigned long sun4v_ldc_mapin(unsigned long channel, + unsigned long cookie, + unsigned long *ra, + unsigned long *perm); +extern unsigned long sun4v_ldc_unmap(unsigned long ra); +extern unsigned long sun4v_ldc_revoke(unsigned long cookie, + unsigned long mte_cookie); +#endif + /* Performance counter services. */ #define HV_PERF_JBUS_PERF_CTRL_REG 0x00 @@ -2204,6 +2760,7 @@ extern void sun4v_hvapi_unregister(unsigned long group); extern int sun4v_hvapi_get(unsigned long group, unsigned long *major, unsigned long *minor); +extern void sun4v_hvapi_init(void); #endif #endif /* !(_SPARC64_HYPERVISOR_H) */ diff --git a/include/asm-sparc64/kdebug.h b/include/asm-sparc64/kdebug.h index 627e339..9974c7b 100644 --- a/include/asm-sparc64/kdebug.h +++ b/include/asm-sparc64/kdebug.h @@ -32,7 +32,6 @@ enum die_val { DIE_TRAP, DIE_TRAP_TL1, DIE_CALL, - DIE_PAGE_FAULT, }; #endif diff --git a/include/asm-sparc64/mdesc.h b/include/asm-sparc64/mdesc.h new file mode 100644 index 0000000..124eb8c --- /dev/null +++ b/include/asm-sparc64/mdesc.h @@ -0,0 +1,39 @@ +#ifndef _SPARC64_MDESC_H +#define _SPARC64_MDESC_H + +#include <linux/types.h> +#include <asm/prom.h> + +struct mdesc_node; +struct mdesc_arc { + const char *name; + struct mdesc_node *arc; +}; + +struct mdesc_node { + const char *name; + u64 node; + unsigned int unique_id; + unsigned int num_arcs; + struct property *properties; + struct mdesc_node *hash_next; + struct mdesc_node *allnodes_next; + struct mdesc_arc arcs[0]; +}; + +extern struct mdesc_node *md_find_node_by_name(struct mdesc_node *from, + const char *name); +#define md_for_each_node_by_name(__mn, __name) \ + for (__mn = md_find_node_by_name(NULL, __name); __mn; \ + __mn = md_find_node_by_name(__mn, __name)) + +extern struct property *md_find_property(const struct mdesc_node *mp, + const char *name, + int *lenp); +extern const void *md_get_property(const struct mdesc_node *mp, + const char *name, + int *lenp); + +extern void sun4v_mdesc_init(void); + +#endif diff --git a/include/asm-sparc64/oplib.h b/include/asm-sparc64/oplib.h index 6a0da3b..992f9f7 100644 --- a/include/asm-sparc64/oplib.h +++ b/include/asm-sparc64/oplib.h @@ -316,11 +316,8 @@ extern int prom_setprop(int node, const char *prop_name, char *prop_value, extern int prom_pathtoinode(const char *path); extern int prom_inst2pkg(int); - -/* CPU probing helpers. */ -struct device_node; -int cpu_find_by_instance(int instance, struct device_node **dev_node, int *mid); -int cpu_find_by_mid(int mid, struct device_node **prom_node); +extern int prom_service_exists(const char *service_name); +extern void prom_sun4v_guest_soft_state(void); /* Client interface level routines. */ extern void prom_set_trap_table(unsigned long tba); diff --git a/include/asm-sparc64/percpu.h b/include/asm-sparc64/percpu.h index ced8cbd..88db872 100644 --- a/include/asm-sparc64/percpu.h +++ b/include/asm-sparc64/percpu.h @@ -5,7 +5,8 @@ #ifdef CONFIG_SMP -extern void setup_per_cpu_areas(void); +#define setup_per_cpu_areas() do { } while (0) +extern void real_setup_per_cpu_areas(void); extern unsigned long __per_cpu_base; extern unsigned long __per_cpu_shift; @@ -34,6 +35,7 @@ do { \ } while (0) #else /* ! SMP */ +#define real_setup_per_cpu_areas() do { } while (0) #define DEFINE_PER_CPU(type, name) \ __typeof__(type) per_cpu__##name diff --git a/include/asm-sparc64/prom.h b/include/asm-sparc64/prom.h index ddad5f9..b4df304 100644 --- a/include/asm-sparc64/prom.h +++ b/include/asm-sparc64/prom.h @@ -90,6 +90,7 @@ extern struct device_node *of_find_compatible_node(struct device_node *from, const char *type, const char *compat); extern struct device_node *of_find_node_by_path(const char *path); extern struct device_node *of_find_node_by_phandle(phandle handle); +extern struct device_node *of_find_node_by_cpuid(int cpuid); extern struct device_node *of_get_parent(const struct device_node *node); extern struct device_node *of_get_next_child(const struct device_node *node, struct device_node *prev); diff --git a/include/asm-sparc64/smp.h b/include/asm-sparc64/smp.h index 869d16f..f76e149 100644 --- a/include/asm-sparc64/smp.h +++ b/include/asm-sparc64/smp.h @@ -41,7 +41,7 @@ extern cpumask_t cpu_sibling_map[NR_CPUS]; extern int hard_smp_processor_id(void); #define raw_smp_processor_id() (current_thread_info()->cpu) -extern void smp_setup_cpu_possible_map(void); +extern void smp_fill_in_sib_core_maps(void); extern unsigned char boot_cpu_id; #endif /* !(__ASSEMBLY__) */ @@ -49,7 +49,7 @@ extern unsigned char boot_cpu_id; #else #define hard_smp_processor_id() 0 -#define smp_setup_cpu_possible_map() do { } while (0) +#define smp_fill_in_sib_core_maps() do { } while (0) #define boot_cpu_id (0) #endif /* !(CONFIG_SMP) */ diff --git a/include/asm-sparc64/sstate.h b/include/asm-sparc64/sstate.h new file mode 100644 index 0000000..a7c35db --- /dev/null +++ b/include/asm-sparc64/sstate.h @@ -0,0 +1,13 @@ +#ifndef _SPARC64_SSTATE_H +#define _SPARC64_SSTATE_H + +extern void sstate_booting(void); +extern void sstate_running(void); +extern void sstate_halt(void); +extern void sstate_poweroff(void); +extern void sstate_panic(void); +extern void sstate_reboot(void); + +extern void sun4v_sstate_init(void); + +#endif /* _SPARC64_SSTATE_H */ diff --git a/include/asm-sparc64/thread_info.h b/include/asm-sparc64/thread_info.h index 2ebf7f2..98252cd 100644 --- a/include/asm-sparc64/thread_info.h +++ b/include/asm-sparc64/thread_info.h @@ -38,8 +38,8 @@ struct thread_info { /* D$ line 1 */ struct task_struct *task; unsigned long flags; - __u8 cpu; __u8 fpsaved[7]; + __u8 pad; unsigned long ksp; /* D$ line 2 */ @@ -49,7 +49,7 @@ struct thread_info { int preempt_count; /* 0 => preemptable, <0 => BUG */ __u8 new_child; __u8 syscall_noerror; - __u16 __pad; + __u16 cpu; unsigned long *utraps; @@ -83,8 +83,7 @@ struct thread_info { #define TI_CURRENT_DS (TI_FLAGS + TI_FLAG_BYTE_CURRENT_DS) #define TI_FPDEPTH (TI_FLAGS + TI_FLAG_BYTE_FPDEPTH) #define TI_WSAVED (TI_FLAGS + TI_FLAG_BYTE_WSAVED) -#define TI_CPU 0x00000010 -#define TI_FPSAVED 0x00000011 +#define TI_FPSAVED 0x00000010 #define TI_KSP 0x00000018 #define TI_FAULT_ADDR 0x00000020 #define TI_KREGS 0x00000028 @@ -92,6 +91,7 @@ struct thread_info { #define TI_PRE_COUNT 0x00000038 #define TI_NEW_CHILD 0x0000003c #define TI_SYS_NOERROR 0x0000003d +#define TI_CPU 0x0000003e #define TI_UTRAPS 0x00000040 #define TI_REG_WINDOW 0x00000048 #define TI_RWIN_SPTRS 0x000003c8 diff --git a/include/asm-sparc64/topology.h b/include/asm-sparc64/topology.h index 98a6c61..e0d450d 100644 --- a/include/asm-sparc64/topology.h +++ b/include/asm-sparc64/topology.h @@ -6,4 +6,7 @@ #include <asm-generic/topology.h> +#define topology_core_id(cpu) (cpu_data(cpu).core_id) +#define topology_thread_siblings(cpu) (cpu_sibling_map[cpu]) + #endif /* _ASM_SPARC64_TOPOLOGY_H */ diff --git a/include/asm-sparc64/tsb.h b/include/asm-sparc64/tsb.h index ab55ffc..76e4299 100644 --- a/include/asm-sparc64/tsb.h +++ b/include/asm-sparc64/tsb.h @@ -271,7 +271,7 @@ extern struct tsb_phys_patch_entry __tsb_phys_patch, __tsb_phys_patch_end; #define KERN_TSB4M_LOOKUP_TL1(TAG, REG1, REG2, REG3, REG4, OK_LABEL) \ sethi %hi(swapper_4m_tsb), REG1; \ or REG1, %lo(swapper_4m_tsb), REG1; \ - and TAG, (KERNEL_TSB_NENTRIES - 1), REG2; \ + and TAG, (KERNEL_TSB4M_NENTRIES - 1), REG2; \ sllx REG2, 4, REG2; \ add REG1, REG2, REG2; \ KTSB_LOAD_QUAD(REG2, REG3); \ diff --git a/include/linux/timer.h b/include/linux/timer.h index e0c5c16..c661710 100644 --- a/include/linux/timer.h +++ b/include/linux/timer.h @@ -69,6 +69,12 @@ extern int __mod_timer(struct timer_list *timer, unsigned long expires); extern int mod_timer(struct timer_list *timer, unsigned long expires); /* + * The jiffies value which is added to now, when there is no timer + * in the timer wheel: + */ +#define NEXT_TIMER_MAX_DELTA ((1UL << 30) - 1) + +/* * Return when the next timer-wheel timeout occurs (in absolute jiffies), * locks the timer base: */ |
