X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=include%2Fasm-ia64%2Fsn%2Fsn_sal.h;h=e67825ad1930cee26dca3971b5c674f1e21c79e1;hb=f505380ba7b98ec97bf25300c2a58aeae903530b;hp=f914f6da077c62852dbe981e93c2024305ad9e9a;hpb=2604f6da1afb56fae5930b58349e43a2b0345933;p=linux-2.6 diff --git a/include/asm-ia64/sn/sn_sal.h b/include/asm-ia64/sn/sn_sal.h index f914f6da07..e67825ad19 100644 --- a/include/asm-ia64/sn/sn_sal.h +++ b/include/asm-ia64/sn/sn_sal.h @@ -55,7 +55,6 @@ #define SN_SAL_BUS_CONFIG 0x02000037 #define SN_SAL_SYS_SERIAL_GET 0x02000038 #define SN_SAL_PARTITION_SERIAL_GET 0x02000039 -#define SN_SAL_SYSCTL_PARTITION_GET 0x0200003a #define SN_SAL_SYSTEM_POWER_DOWN 0x0200003b #define SN_SAL_GET_MASTER_BASEIO_NASID 0x0200003c #define SN_SAL_COHERENCE 0x0200003d @@ -78,7 +77,8 @@ #define SN_SAL_HUB_ERROR_INTERRUPT 0x02000060 #define SN_SAL_BTE_RECOVER 0x02000061 -#define SN_SAL_IOIF_GET_PCI_TOPOLOGY 0x02000062 +#define SN_SAL_RESERVED_DO_NOT_USE 0x02000062 +#define SN_SAL_IOIF_GET_PCI_TOPOLOGY 0x02000064 /* * Service-specific constants @@ -115,6 +115,13 @@ #define SAL_IROUTER_INTR_XMIT SAL_CONSOLE_INTR_XMIT #define SAL_IROUTER_INTR_RECV SAL_CONSOLE_INTR_RECV +/* + * Error Handling Features + */ +#define SAL_ERR_FEAT_MCA_SLV_TO_OS_INIT_SLV 0x1 +#define SAL_ERR_FEAT_LOG_SBES 0x2 +#define SAL_ERR_FEAT_MFR_OVERRIDE 0x4 +#define SAL_ERR_FEAT_SBE_THRESHOLD 0xffff0000 /* * SAL Error Codes @@ -125,43 +132,30 @@ #define SALRET_INVALID_ARG (-2) #define SALRET_ERROR (-3) +#define SN_SAL_FAKE_PROM 0x02009999 /** - * sn_sal_rev_major - get the major SGI SAL revision number - * - * The SGI PROM stores its version in sal_[ab]_rev_(major|minor). - * This routine simply extracts the major value from the - * @ia64_sal_systab structure constructed by ia64_sal_init(). - */ -static inline int -sn_sal_rev_major(void) + * sn_sal_revision - get the SGI SAL revision number + * + * The SGI PROM stores its version in the sal_[ab]_rev_(major|minor). + * This routine simply extracts the major and minor values and + * presents them in a u32 format. + * + * For example, version 4.05 would be represented at 0x0405. + */ +static inline u32 +sn_sal_rev(void) { struct ia64_sal_systab *systab = efi.sal_systab; - return (int)systab->sal_b_rev_major; -} - -/** - * sn_sal_rev_minor - get the minor SGI SAL revision number - * - * The SGI PROM stores its version in sal_[ab]_rev_(major|minor). - * This routine simply extracts the minor value from the - * @ia64_sal_systab structure constructed by ia64_sal_init(). - */ -static inline int -sn_sal_rev_minor(void) -{ - struct ia64_sal_systab *systab = efi.sal_systab; - - return (int)systab->sal_b_rev_minor; + return (u32)(systab->sal_b_rev_major << 8 | systab->sal_b_rev_minor); } /* * Specify the minimum PROM revsion required for this kernel. * Note that they're stored in hex format... */ -#define SN_SAL_MIN_MAJOR 0x4 /* SN2 kernels need at least PROM 4.0 */ -#define SN_SAL_MIN_MINOR 0x0 +#define SN_SAL_MIN_VERSION 0x0404 /* * Returns the master console nasid, if the call fails, return an illegal @@ -341,6 +335,25 @@ ia64_sn_plat_cpei_handler(void) return ret_stuff.status; } +/* + * Set Error Handling Features + */ +static inline u64 +ia64_sn_plat_set_error_handling_features(void) +{ + struct ia64_sal_retval ret_stuff; + + ret_stuff.status = 0; + ret_stuff.v0 = 0; + ret_stuff.v1 = 0; + ret_stuff.v2 = 0; + SAL_CALL_REENTRANT(ret_stuff, SN_SAL_SET_ERROR_HANDLING_FEATURES, + (SAL_ERR_FEAT_MCA_SLV_TO_OS_INIT_SLV | SAL_ERR_FEAT_LOG_SBES), + 0, 0, 0, 0, 0, 0); + + return ret_stuff.status; +} + /* * Checks for console input. */ @@ -472,7 +485,7 @@ static inline u64 ia64_sn_pod_mode(void) { struct ia64_sal_retval isrv; - SAL_CALL(isrv, SN_SAL_POD_MODE, 0, 0, 0, 0, 0, 0, 0); + SAL_CALL_REENTRANT(isrv, SN_SAL_POD_MODE, 0, 0, 0, 0, 0, 0, 0); if (isrv.status) return 0; return isrv.v0; @@ -557,7 +570,8 @@ static inline u64 ia64_sn_partition_serial_get(void) { struct ia64_sal_retval ret_stuff; - SAL_CALL(ret_stuff, SN_SAL_PARTITION_SERIAL_GET, 0, 0, 0, 0, 0, 0, 0); + ia64_sal_oemcall_reentrant(&ret_stuff, SN_SAL_PARTITION_SERIAL_GET, 0, + 0, 0, 0, 0, 0, 0); if (ret_stuff.status != 0) return 0; return ret_stuff.v0; @@ -565,41 +579,38 @@ ia64_sn_partition_serial_get(void) static inline u64 sn_partition_serial_number_val(void) { - if (sn_partition_serial_number) { - return(sn_partition_serial_number); - } else { - return(sn_partition_serial_number = ia64_sn_partition_serial_get()); + if (unlikely(sn_partition_serial_number == 0)) { + sn_partition_serial_number = ia64_sn_partition_serial_get(); } + return sn_partition_serial_number; } /* - * Returns the partition id of the nasid passed in as an argument, - * or INVALID_PARTID if the partition id cannot be retrieved. + * Returns the physical address of the partition's reserved page through + * an iterative number of calls. + * + * On first call, 'cookie' and 'len' should be set to 0, and 'addr' + * set to the nasid of the partition whose reserved page's address is + * being sought. + * On subsequent calls, pass the values, that were passed back on the + * previous call. + * + * While the return status equals SALRET_MORE_PASSES, keep calling + * this function after first copying 'len' bytes starting at 'addr' + * into 'buf'. Once the return status equals SALRET_OK, 'addr' will + * be the physical address of the partition's reserved page. If the + * return status equals neither of these, an error as occurred. */ -static inline partid_t -ia64_sn_sysctl_partition_get(nasid_t nasid) +static inline s64 +sn_partition_reserved_page_pa(u64 buf, u64 *cookie, u64 *addr, u64 *len) { - struct ia64_sal_retval ret_stuff; - SAL_CALL(ret_stuff, SN_SAL_SYSCTL_PARTITION_GET, nasid, - 0, 0, 0, 0, 0, 0); - if (ret_stuff.status != 0) - return INVALID_PARTID; - return ((partid_t)ret_stuff.v0); -} - -/* - * Returns the partition id of the current processor. - */ - -extern partid_t sn_partid; - -static inline partid_t -sn_local_partid(void) { - if (sn_partid < 0) { - return (sn_partid = ia64_sn_sysctl_partition_get(cpuid_to_nasid(smp_processor_id()))); - } else { - return sn_partid; - } + struct ia64_sal_retval rv; + ia64_sal_oemcall_reentrant(&rv, SN_SAL_GET_PARTITION_ADDR, *cookie, + *addr, buf, *len, 0, 0, 0); + *cookie = rv.v0; + *addr = rv.v1; + *len = rv.v2; + return rv.status; } /* @@ -621,8 +632,8 @@ static inline int sn_register_xp_addr_region(u64 paddr, u64 len, int operation) { struct ia64_sal_retval ret_stuff; - SAL_CALL(ret_stuff, SN_SAL_XP_ADDR_REGION, paddr, len, (u64)operation, - 0, 0, 0, 0); + ia64_sal_oemcall(&ret_stuff, SN_SAL_XP_ADDR_REGION, paddr, len, + (u64)operation, 0, 0, 0, 0); return ret_stuff.status; } @@ -646,8 +657,8 @@ sn_register_nofault_code(u64 start_addr, u64 end_addr, u64 return_addr, } else { call = SN_SAL_NO_FAULT_ZONE_PHYSICAL; } - SAL_CALL(ret_stuff, call, start_addr, end_addr, return_addr, (u64)1, - 0, 0, 0); + ia64_sal_oemcall(&ret_stuff, call, start_addr, end_addr, return_addr, + (u64)1, 0, 0, 0); return ret_stuff.status; } @@ -668,8 +679,8 @@ static inline int sn_change_coherence(u64 *new_domain, u64 *old_domain) { struct ia64_sal_retval ret_stuff; - SAL_CALL(ret_stuff, SN_SAL_COHERENCE, new_domain, old_domain, 0, 0, - 0, 0, 0); + ia64_sal_oemcall(&ret_stuff, SN_SAL_COHERENCE, (u64)new_domain, + (u64)old_domain, 0, 0, 0, 0, 0); return ret_stuff.status; } @@ -688,8 +699,8 @@ sn_change_memprotect(u64 paddr, u64 len, u64 perms, u64 *nasid_array) cnodeid = nasid_to_cnodeid(get_node_number(paddr)); // spin_lock(&NODEPDA(cnodeid)->bist_lock); local_irq_save(irq_flags); - SAL_CALL_NOLOCK(ret_stuff, SN_SAL_MEMPROTECT, paddr, len, nasid_array, - perms, 0, 0, 0); + ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_MEMPROTECT, paddr, len, + (u64)nasid_array, perms, 0, 0, 0); local_irq_restore(irq_flags); // spin_unlock(&NODEPDA(cnodeid)->bist_lock); return ret_stuff.status; @@ -709,7 +720,8 @@ ia64_sn_power_down(void) { struct ia64_sal_retval ret_stuff; SAL_CALL(ret_stuff, SN_SAL_SYSTEM_POWER_DOWN, 0, 0, 0, 0, 0, 0, 0); - while(1); + while(1) + cpu_relax(); /* never returns */ } @@ -978,24 +990,6 @@ ia64_sn_get_sn_info(int fc, u8 *shubtype, u16 *nasid_bitmask, u8 *nasid_shift, ret_stuff.v2 = 0; SAL_CALL_NOLOCK(ret_stuff, SN_SAL_GET_SN_INFO, fc, 0, 0, 0, 0, 0, 0); -/***** BEGIN HACK - temp til old proms no longer supported ********/ - if (ret_stuff.status == SALRET_NOT_IMPLEMENTED) { - int nasid = get_sapicid() & 0xfff;; -#define SH_SHUB_ID_NODES_PER_BIT_MASK 0x001f000000000000UL -#define SH_SHUB_ID_NODES_PER_BIT_SHFT 48 - if (shubtype) *shubtype = 0; - if (nasid_bitmask) *nasid_bitmask = 0x7ff; - if (nasid_shift) *nasid_shift = 38; - if (systemsize) *systemsize = 11; - if (sharing_domain_size) *sharing_domain_size = 9; - if (partid) *partid = ia64_sn_sysctl_partition_get(nasid); - if (coher) *coher = nasid >> 9; - if (reg) *reg = (HUB_L((u64 *) LOCAL_MMR_ADDR(SH1_SHUB_ID)) & SH_SHUB_ID_NODES_PER_BIT_MASK) >> - SH_SHUB_ID_NODES_PER_BIT_SHFT; - return 0; - } -/***** END HACK *******/ - if (ret_stuff.status < 0) return ret_stuff.status; @@ -1028,12 +1022,10 @@ ia64_sn_hwperf_op(nasid_t nasid, u64 opcode, u64 a0, u64 a1, u64 a2, } static inline int -ia64_sn_ioif_get_pci_topology(u64 rack, u64 bay, u64 slot, u64 slab, - u64 buf, u64 len) +ia64_sn_ioif_get_pci_topology(u64 buf, u64 len) { struct ia64_sal_retval rv; - SAL_CALL_NOLOCK(rv, SN_SAL_IOIF_GET_PCI_TOPOLOGY, - rack, bay, slot, slab, buf, len, 0); + SAL_CALL_NOLOCK(rv, SN_SAL_IOIF_GET_PCI_TOPOLOGY, buf, len, 0, 0, 0, 0, 0); return (int) rv.status; } @@ -1052,4 +1044,12 @@ ia64_sn_bte_recovery(nasid_t nasid) return (int) rv.status; } +static inline int +ia64_sn_is_fake_prom(void) +{ + struct ia64_sal_retval rv; + SAL_CALL_NOLOCK(rv, SN_SAL_FAKE_PROM, 0, 0, 0, 0, 0, 0, 0); + return (rv.status == 0); +} + #endif /* _ASM_IA64_SN_SN_SAL_H */