diff options
| -rw-r--r-- | drivers/misc/sgi-xp/xp_sn2.c | 2 | ||||
| -rw-r--r-- | drivers/misc/sgi-xp/xpc.h | 24 | ||||
| -rw-r--r-- | drivers/misc/sgi-xp/xpc_main.c | 16 | ||||
| -rw-r--r-- | drivers/misc/sgi-xp/xpc_sn2.c | 139 | ||||
| -rw-r--r-- | include/asm-ia64/sn/mspec.h | 16 |
5 files changed, 101 insertions, 96 deletions
diff --git a/drivers/misc/sgi-xp/xp_sn2.c b/drivers/misc/sgi-xp/xp_sn2.c index 3d553fa73f4..1fcfdebca2c 100644 --- a/drivers/misc/sgi-xp/xp_sn2.c +++ b/drivers/misc/sgi-xp/xp_sn2.c @@ -32,7 +32,7 @@ EXPORT_SYMBOL_GPL(xp_nofault_PIOR_target); * If the PIO read times out, the MCA handler will consume the error and * return to a kernel-provided instruction to indicate an error. This PIO read * exists because it is guaranteed to timeout if the destination is down - * (AMO operations do not timeout on at least some CPUs on Shubs <= v1.2, + * (amo operations do not timeout on at least some CPUs on Shubs <= v1.2, * which unfortunately we have to work around). */ static enum xp_retval diff --git a/drivers/misc/sgi-xp/xpc.h b/drivers/misc/sgi-xp/xpc.h index 26a1725f68a..da2680892df 100644 --- a/drivers/misc/sgi-xp/xpc.h +++ b/drivers/misc/sgi-xp/xpc.h @@ -38,8 +38,8 @@ /* * The next macros define word or bit representations for given * C-brick nasid in either the SAL provided bit array representing - * nasids in the partition/machine or the AMO_t array used for - * inter-partition initiation communications. + * nasids in the partition/machine or the array of amo structures used + * for inter-partition initiation communications. * * For SN2 machines, C-Bricks are alway even numbered NASIDs. As * such, some space will be saved by insisting that nasid information @@ -144,8 +144,8 @@ struct xpc_vars_sn2 { int activate_IRQ_nasid; int activate_IRQ_phys_cpuid; u64 vars_part_pa; - u64 amos_page_pa; /* paddr of page of AMOs from MSPEC driver */ - AMO_t *amos_page; /* vaddr of page of AMOs from MSPEC driver */ + u64 amos_page_pa; /* paddr of page of amos from MSPEC driver */ + struct amo *amos_page; /* vaddr of page of amos from MSPEC driver */ }; #define XPC_V_VERSION _XPC_VERSION(3, 1) /* version 3.1 of the cross vars */ @@ -153,17 +153,17 @@ struct xpc_vars_sn2 { /* * The following pertains to ia64-sn2 only. * - * Memory for XPC's AMO variables is allocated by the MSPEC driver. These + * Memory for XPC's amo variables is allocated by the MSPEC driver. These * pages are located in the lowest granule. The lowest granule uses 4k pages * for cached references and an alternate TLB handler to never provide a * cacheable mapping for the entire region. This will prevent speculative * reading of cached copies of our lines from being issued which will cause * a PI FSB Protocol error to be generated by the SHUB. For XPC, we need 64 - * AMO variables (based on XP_MAX_NPARTITIONS_SN2) to identify the senders of - * NOTIFY IRQs, 128 AMO variables (based on XP_NASID_MASK_WORDS) to identify - * the senders of ACTIVATE IRQs, 1 AMO variable to identify which remote + * amo variables (based on XP_MAX_NPARTITIONS_SN2) to identify the senders of + * NOTIFY IRQs, 128 amo variables (based on XP_NASID_MASK_WORDS) to identify + * the senders of ACTIVATE IRQs, 1 amo variable to identify which remote * partitions (i.e., XPCs) consider themselves currently engaged with the - * local XPC and 1 AMO variable to request partition deactivation. + * local XPC and 1 amo variable to request partition deactivation. */ #define XPC_NOTIFY_IRQ_AMOS 0 #define XPC_ACTIVATE_IRQ_AMOS (XPC_NOTIFY_IRQ_AMOS + XP_MAX_NPARTITIONS_SN2) @@ -186,7 +186,7 @@ struct xpc_vars_part_sn2 { u64 openclose_args_pa; /* physical address of open and close args */ u64 GPs_pa; /* physical address of Get/Put values */ - u64 chctl_amo_pa; /* physical address of chctl flags' AMO_t */ + u64 chctl_amo_pa; /* physical address of chctl flags' amo */ int notify_IRQ_nasid; /* nasid of where to send notify IRQs */ int notify_IRQ_phys_cpuid; /* CPUID of where to send notify IRQs */ @@ -547,8 +547,8 @@ struct xpc_partition_sn2 { int notify_IRQ_phys_cpuid; /* CPUID of where to send notify IRQs */ char notify_IRQ_owner[8]; /* notify IRQ's owner's name */ - AMO_t *remote_chctl_amo_va; /* address of remote chctl flags' AMO_t */ - AMO_t *local_chctl_amo_va; /* address of chctl flags' AMO_t */ + struct amo *remote_chctl_amo_va; /* addr of remote chctl flags' amo */ + struct amo *local_chctl_amo_va; /* address of chctl flags' amo */ struct timer_list dropped_notify_IRQ_timer; /* dropped IRQ timer */ }; diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c index 43f5b686ecf..2934b447300 100644 --- a/drivers/misc/sgi-xp/xpc_main.c +++ b/drivers/misc/sgi-xp/xpc_main.c @@ -26,16 +26,16 @@ * Caveats: * * . Currently on sn2, we have no way to determine which nasid an IRQ - * came from. Thus, xpc_send_IRQ_sn2() does a remote AMO write - * followed by an IPI. The AMO indicates where data is to be pulled - * from, so after the IPI arrives, the remote partition checks the AMO - * word. The IPI can actually arrive before the AMO however, so other - * code must periodically check for this case. Also, remote AMO + * came from. Thus, xpc_send_IRQ_sn2() does a remote amo write + * followed by an IPI. The amo indicates where data is to be pulled + * from, so after the IPI arrives, the remote partition checks the amo + * word. The IPI can actually arrive before the amo however, so other + * code must periodically check for this case. Also, remote amo * operations do not reliably time out. Thus we do a remote PIO read * solely to know whether the remote partition is down and whether we * should stop sending IPIs to it. This remote PIO read operation is * set up in a special nofault region so SAL knows to ignore (and - * cleanup) any errors due to the remote AMO write, PIO read, and/or + * cleanup) any errors due to the remote amo write, PIO read, and/or * PIO write operations. * * If/when new hardware solves this IPI problem, we should abandon @@ -302,7 +302,7 @@ xpc_hb_checker(void *ignore) /* * We need to periodically recheck to ensure no - * IRQ/AMO pairs have been missed. That check + * IRQ/amo pairs have been missed. That check * must always reset xpc_hb_check_timeout. */ force_IRQ = 1; @@ -1034,7 +1034,7 @@ xpc_init(void) if (is_shub()) { /* * The ia64-sn2 architecture supports at most 64 partitions. - * And the inability to unregister remote AMOs restricts us + * And the inability to unregister remote amos restricts us * further to only support exactly 64 partitions on this * architecture, no less. */ diff --git a/drivers/misc/sgi-xp/xpc_sn2.c b/drivers/misc/sgi-xp/xpc_sn2.c index 0fef7d86a5a..01dd40ec2a8 100644 --- a/drivers/misc/sgi-xp/xpc_sn2.c +++ b/drivers/misc/sgi-xp/xpc_sn2.c @@ -111,13 +111,14 @@ xpc_disallow_IPI_ops_sn2(void) */ static u64 -xpc_receive_IRQ_amo_sn2(AMO_t *amo) +xpc_receive_IRQ_amo_sn2(struct amo *amo) { return FETCHOP_LOAD_OP(TO_AMO((u64)&amo->variable), FETCHOP_CLEAR); } static enum xp_retval -xpc_send_IRQ_sn2(AMO_t *amo, u64 flag, int nasid, int phys_cpuid, int vector) +xpc_send_IRQ_sn2(struct amo *amo, u64 flag, int nasid, int phys_cpuid, + int vector) { int ret = 0; unsigned long irq_flags; @@ -131,7 +132,7 @@ xpc_send_IRQ_sn2(AMO_t *amo, u64 flag, int nasid, int phys_cpuid, int vector) * We must always use the nofault function regardless of whether we * are on a Shub 1.1 system or a Shub 1.2 slice 0xc processor. If we * didn't, we'd never know that the other partition is down and would - * keep sending IRQs and AMOs to it until the heartbeat times out. + * keep sending IRQs and amos to it until the heartbeat times out. */ ret = xp_nofault_PIOR((u64 *)GLOBAL_MMR_ADDR(NASID_GET(&amo->variable), xp_nofault_PIOR_target)); @@ -141,12 +142,12 @@ xpc_send_IRQ_sn2(AMO_t *amo, u64 flag, int nasid, int phys_cpuid, int vector) return ((ret == 0) ? xpSuccess : xpPioReadError); } -static AMO_t * +static struct amo * xpc_init_IRQ_amo_sn2(int index) { - AMO_t *amo = xpc_vars->amos_page + index; + struct amo *amo = xpc_vars->amos_page + index; - (void)xpc_receive_IRQ_amo_sn2(amo); /* clear AMO variable */ + (void)xpc_receive_IRQ_amo_sn2(amo); /* clear amo variable */ return amo; } @@ -166,7 +167,7 @@ xpc_handle_activate_IRQ_sn2(int irq, void *dev_id) } /* - * Flag the appropriate AMO variable and send an IRQ to the specified node. + * Flag the appropriate amo variable and send an IRQ to the specified node. */ static void xpc_send_activate_IRQ_sn2(u64 amos_page_pa, int from_nasid, int to_nasid, @@ -174,8 +175,9 @@ xpc_send_activate_IRQ_sn2(u64 amos_page_pa, int from_nasid, int to_nasid, { int w_index = XPC_NASID_W_INDEX(from_nasid); int b_index = XPC_NASID_B_INDEX(from_nasid); - AMO_t *amos = (AMO_t *)__va(amos_page_pa + - (XPC_ACTIVATE_IRQ_AMOS * sizeof(AMO_t))); + struct amo *amos = (struct amo *)__va(amos_page_pa + + (XPC_ACTIVATE_IRQ_AMOS * + sizeof(struct amo))); (void)xpc_send_IRQ_sn2(&amos[w_index], (1UL << b_index), to_nasid, to_phys_cpuid, SGI_XPC_ACTIVATE); @@ -186,8 +188,9 @@ xpc_send_local_activate_IRQ_sn2(int from_nasid) { int w_index = XPC_NASID_W_INDEX(from_nasid); int b_index = XPC_NASID_B_INDEX(from_nasid); - AMO_t *amos = (AMO_t *)__va(xpc_vars->amos_page_pa + - (XPC_ACTIVATE_IRQ_AMOS * sizeof(AMO_t))); + struct amo *amos = (struct amo *)__va(xpc_vars->amos_page_pa + + (XPC_ACTIVATE_IRQ_AMOS * + sizeof(struct amo))); /* fake the sending and receipt of an activate IRQ from remote nasid */ FETCHOP_STORE_OP(TO_AMO((u64)&amos[w_index].variable), FETCHOP_OR, @@ -227,7 +230,7 @@ xpc_check_for_sent_chctl_flags_sn2(struct xpc_partition *part) /* * Handle the receipt of a SGI_XPC_NOTIFY IRQ by seeing whether the specified * partition actually sent it. Since SGI_XPC_NOTIFY IRQs may be shared by more - * than one partition, we use an AMO_t structure per partition to indicate + * than one partition, we use an amo structure per partition to indicate * whether a partition has sent an IRQ or not. If it has, then wake up the * associated kthread to handle it. * @@ -391,20 +394,20 @@ static void xpc_indicate_partition_engaged_sn2(struct xpc_partition *part) { unsigned long irq_flags; - AMO_t *amo = (AMO_t *)__va(part->sn.sn2.remote_amos_page_pa + - (XPC_ENGAGED_PARTITIONS_AMO * - sizeof(AMO_t))); + struct amo *amo = (struct amo *)__va(part->sn.sn2.remote_amos_page_pa + + (XPC_ENGAGED_PARTITIONS_AMO * + sizeof(struct amo))); local_irq_save(irq_flags); - /* set bit corresponding to our partid in remote partition's AMO */ + /* set bit corresponding to our partid in remote partition's amo */ FETCHOP_STORE_OP(TO_AMO((u64)&amo->variable), FETCHOP_OR, (1UL << sn_partition_id)); /* * We must always use the nofault function regardless of whether we * are on a Shub 1.1 system or a Shub 1.2 slice 0xc processor. If we * didn't, we'd never know that the other partition is down and would - * keep sending IRQs and AMOs to it until the heartbeat times out. + * keep sending IRQs and amos to it until the heartbeat times out. */ (void)xp_nofault_PIOR((u64 *)GLOBAL_MMR_ADDR(NASID_GET(&amo-> variable), @@ -418,20 +421,20 @@ xpc_indicate_partition_disengaged_sn2(struct xpc_partition *part) { struct xpc_partition_sn2 *part_sn2 = &part->sn.sn2; unsigned long irq_flags; - AMO_t *amo = (AMO_t *)__va(part_sn2->remote_amos_page_pa + - (XPC_ENGAGED_PARTITIONS_AMO * - sizeof(AMO_t))); + struct amo *amo = (struct amo *)__va(part_sn2->remote_amos_page_pa + + (XPC_ENGAGED_PARTITIONS_AMO * + sizeof(struct amo))); local_irq_save(irq_flags); - /* clear bit corresponding to our partid in remote partition's AMO */ + /* clear bit corresponding to our partid in remote partition's amo */ FETCHOP_STORE_OP(TO_AMO((u64)&amo->variable), FETCHOP_AND, ~(1UL << sn_partition_id)); /* * We must always use the nofault function regardless of whether we * are on a Shub 1.1 system or a Shub 1.2 slice 0xc processor. If we * didn't, we'd never know that the other partition is down and would - * keep sending IRQs and AMOs to it until the heartbeat times out. + * keep sending IRQs and amos to it until the heartbeat times out. */ (void)xp_nofault_PIOR((u64 *)GLOBAL_MMR_ADDR(NASID_GET(&amo-> variable), @@ -441,7 +444,7 @@ xpc_indicate_partition_disengaged_sn2(struct xpc_partition *part) /* * Send activate IRQ to get other side to see that we've cleared our - * bit in their engaged partitions AMO. + * bit in their engaged partitions amo. */ xpc_send_activate_IRQ_sn2(part_sn2->remote_amos_page_pa, cnodeid_to_nasid(0), @@ -452,9 +455,9 @@ xpc_indicate_partition_disengaged_sn2(struct xpc_partition *part) static int xpc_partition_engaged_sn2(short partid) { - AMO_t *amo = xpc_vars->amos_page + XPC_ENGAGED_PARTITIONS_AMO; + struct amo *amo = xpc_vars->amos_page + XPC_ENGAGED_PARTITIONS_AMO; - /* our partition's AMO variable ANDed with partid mask */ + /* our partition's amo variable ANDed with partid mask */ return (FETCHOP_LOAD_OP(TO_AMO((u64)&amo->variable), FETCHOP_LOAD) & (1UL << partid)) != 0; } @@ -462,18 +465,18 @@ xpc_partition_engaged_sn2(short partid) static int xpc_any_partition_engaged_sn2(void) { - AMO_t *amo = xpc_vars->amos_page + XPC_ENGAGED_PARTITIONS_AMO; + struct amo *amo = xpc_vars->amos_page + XPC_ENGAGED_PARTITIONS_AMO; - /* our partition's AMO variable */ + /* our partition's amo variable */ return FETCHOP_LOAD_OP(TO_AMO((u64)&amo->variable), FETCHOP_LOAD) != 0; } static void xpc_assume_partition_disengaged_sn2(short partid) { - AMO_t *amo = xpc_vars->amos_page + XPC_ENGAGED_PARTITIONS_AMO; + struct amo *amo = xpc_vars->amos_page + XPC_ENGAGED_PARTITIONS_AMO; - /* clear bit(s) based on partid mask in our partition's AMO */ + /* clear bit(s) based on partid mask in our partition's amo */ FETCHOP_STORE_OP(TO_AMO((u64)&amo->variable), FETCHOP_AND, ~(1UL << partid)); } @@ -482,10 +485,10 @@ xpc_assume_partition_disengaged_sn2(short partid) static u64 xpc_prot_vec_sn2[MAX_NUMNODES]; /* - * Change protections to allow AMO operations on non-Shub 1.1 systems. + * Change protections to allow amo operations on non-Shub 1.1 systems. */ static enum xp_retval -xpc_allow_AMO_ops_sn2(AMO_t *amos_page) +xpc_allow_amo_ops_sn2(struct amo *amos_page) { u64 nasid_array = 0; int ret; @@ -493,7 +496,7 @@ xpc_allow_AMO_ops_sn2(AMO_t *amos_page) /* * On SHUB 1.1, we cannot call sn_change_memprotect() since the BIST * collides with memory operations. On those systems we call - * xpc_allow_AMO_ops_shub_wars_1_1_sn2() instead. + * xpc_allow_amo_ops_shub_wars_1_1_sn2() instead. */ if (!enable_shub_wars_1_1()) { ret = sn_change_memprotect(ia64_tpa((u64)amos_page), PAGE_SIZE, @@ -506,10 +509,10 @@ xpc_allow_AMO_ops_sn2(AMO_t *amos_page) } /* - * Change protections to allow AMO operations on Shub 1.1 systems. + * Change protections to allow amo operations on Shub 1.1 systems. */ static void -xpc_allow_AMO_ops_shub_wars_1_1_sn2(void) +xpc_allow_amo_ops_shub_wars_1_1_sn2(void) { int node; int nasid; @@ -536,7 +539,7 @@ xpc_allow_AMO_ops_shub_wars_1_1_sn2(void) static enum xp_retval xpc_rsvd_page_init_sn2(struct xpc_rsvd_page *rp) { - AMO_t *amos_page; + struct amo *amos_page; int i; int ret; @@ -549,32 +552,32 @@ xpc_rsvd_page_init_sn2(struct xpc_rsvd_page *rp) XPC_RP_VARS_SIZE); /* - * Before clearing xpc_vars, see if a page of AMOs had been previously + * Before clearing xpc_vars, see if a page of amos had been previously * allocated. If not we'll need to allocate one and set permissions - * so that cross-partition AMOs are allowed. + * so that cross-partition amos are allowed. * - * The allocated AMO page needs MCA reporting to remain disabled after + * The allocated amo page needs MCA reporting to remain disabled after * XPC has unloaded. To make this work, we keep a copy of the pointer * to this page (i.e., amos_page) in the struct xpc_vars structure, * which is pointed to by the reserved page, and re-use that saved copy - * on subsequent loads of XPC. This AMO page is never freed, and its + * on subsequent loads of XPC. This amo page is never freed, and its * memory protections are never restricted. */ amos_page = xpc_vars->amos_page; if (amos_page == NULL) { - amos_page = (AMO_t *)TO_AMO(uncached_alloc_page(0, 1)); + amos_page = (struct amo *)TO_AMO(uncached_alloc_page(0, 1)); if (amos_page == NULL) { - dev_err(xpc_part, "can't allocate page of AMOs\n"); + dev_err(xpc_part, "can't allocate page of amos\n"); return xpNoMemory; } /* - * Open up AMO-R/W to cpu. This is done on Shub 1.1 systems - * when xpc_allow_AMO_ops_shub_wars_1_1_sn2() is called. + * Open up amo-R/W to cpu. This is done on Shub 1.1 systems + * when xpc_allow_amo_ops_shub_wars_1_1_sn2() is called. */ - ret = xpc_allow_AMO_ops_sn2(amos_page); + ret = xpc_allow_amo_ops_sn2(amos_page); if (ret != xpSuccess) { - dev_err(xpc_part, "can't allow AMO operations\n"); + dev_err(xpc_part, "can't allow amo operations\n"); uncached_free_page(__IA64_UNCACHED_OFFSET | TO_PHYS((u64)amos_page), 1); return ret; @@ -595,11 +598,11 @@ xpc_rsvd_page_init_sn2(struct xpc_rsvd_page *rp) memset((u64 *)xpc_vars_part, 0, sizeof(struct xpc_vars_part_sn2) * xp_max_npartitions); - /* initialize the activate IRQ related AMO variables */ + /* initialize the activate IRQ related amo variables */ for (i = 0; i < xp_nasid_mask_words; i++) (void)xpc_init_IRQ_amo_sn2(XPC_ACTIVATE_IRQ_AMOS + i); - /* initialize the engaged remote partitions related AMO variables */ + /* initialize the engaged remote partitions related amo variables */ (void)xpc_init_IRQ_amo_sn2(XPC_ENGAGED_PARTITIONS_AMO); (void)xpc_init_IRQ_amo_sn2(XPC_DEACTIVATE_REQUEST_AMO); @@ -745,19 +748,20 @@ xpc_request_partition_deactivation_sn2(struct xpc_partition *part) { struct xpc_partition_sn2 *part_sn2 = &part->sn.sn2; unsigned long irq_flags; - AMO_t *amo = (AMO_t *)__va(part_sn2->remote_amos_page_pa + - (XPC_DEACTIVATE_REQUEST_AMO * sizeof(AMO_t))); + struct amo *amo = (struct amo *)__va(part_sn2->remote_amos_page_pa + + (XPC_DEACTIVATE_REQUEST_AMO * + sizeof(struct amo))); local_irq_save(irq_flags); - /* set bit corresponding to our partid in remote partition's AMO */ + /* set bit corresponding to our partid in remote partition's amo */ FETCHOP_STORE_OP(TO_AMO((u64)&amo->variable), FETCHOP_OR, (1UL << sn_partition_id)); /* * We must always use the nofault function regardless of whether we * are on a Shub 1.1 system or a Shub 1.2 slice 0xc processor. If we * didn't, we'd never know that the other partition is down and would - * keep sending IRQs and AMOs to it until the heartbeat times out. + * keep sending IRQs and amos to it until the heartbeat times out. */ (void)xp_nofault_PIOR((u64 *)GLOBAL_MMR_ADDR(NASID_GET(&amo-> variable), @@ -767,7 +771,7 @@ xpc_request_partition_deactivation_sn2(struct xpc_partition *part) /* * Send activate IRQ to get other side to see that we've set our - * bit in their deactivate request AMO. + * bit in their deactivate request amo. */ xpc_send_activate_IRQ_sn2(part_sn2->remote_amos_page_pa, cnodeid_to_nasid(0), @@ -779,19 +783,20 @@ static void xpc_cancel_partition_deactivation_request_sn2(struct xpc_partition *part) { unsigned long irq_flags; - AMO_t *amo = (AMO_t *)__va(part->sn.sn2.remote_amos_page_pa + - (XPC_DEACTIVATE_REQUEST_AMO * sizeof(AMO_t))); + struct amo *amo = (struct amo *)__va(part->sn.sn2.remote_amos_page_pa + + (XPC_DEACTIVATE_REQUEST_AMO * + sizeof(struct amo))); local_irq_save(irq_flags); - /* clear bit corresponding to our partid in remote partition's AMO */ + /* clear bit corresponding to our partid in remote partition's amo */ FETCHOP_STORE_OP(TO_AMO((u64)&amo->variable), FETCHOP_AND, ~(1UL << sn_partition_id)); /* * We must always use the nofault function regardless of whether we * are on a Shub 1.1 system or a Shub 1.2 slice 0xc processor. If we * didn't, we'd never know that the other partition is down and would - * keep sending IRQs and AMOs to it until the heartbeat times out. + * keep sending IRQs and amos to it until the heartbeat times out. */ (void)xp_nofault_PIOR((u64 *)GLOBAL_MMR_ADDR(NASID_GET(&amo-> variable), @@ -803,9 +808,9 @@ xpc_cancel_partition_deactivation_request_sn2(struct xpc_partition *part) static int xpc_partition_deactivation_requested_sn2(short partid) { - AMO_t *amo = xpc_vars->amos_page + XPC_DEACTIVATE_REQUEST_AMO; + struct amo *amo = xpc_vars->amos_page + XPC_DEACTIVATE_REQUEST_AMO; - /* our partition's AMO variable ANDed with partid mask */ + /* our partition's amo variable ANDed with partid mask */ return (FETCHOP_LOAD_OP(TO_AMO((u64)&amo->variable), FETCHOP_LOAD) & (1UL << partid)) != 0; } @@ -976,7 +981,7 @@ xpc_identify_activate_IRQ_req_sn2(int nasid) } /* - * Loop through the activation AMO variables and process any bits + * Loop through the activation amo variables and process any bits * which are set. Each bit indicates a nasid sending a partition * activation or deactivation request. * @@ -989,11 +994,11 @@ xpc_identify_activate_IRQ_sender_sn2(void) u64 nasid_mask; u64 nasid; /* remote nasid */ int n_IRQs_detected = 0; - AMO_t *act_amos; + struct amo *act_amos; act_amos = xpc_vars->amos_page + XPC_ACTIVATE_IRQ_AMOS; - /* scan through act AMO variable looking for non-zero entries */ + /* scan through act amo variable looking for non-zero entries */ for (word = 0; word < xp_nasid_mask_words; word++) { if (xpc_exiting) @@ -1005,7 +1010,7 @@ xpc_identify_activate_IRQ_sender_sn2(void) continue; } - dev_dbg(xpc_part, "AMO[%d] gave back 0x%lx\n", word, + dev_dbg(xpc_part, "amo[%d] gave back 0x%lx\n", word, nasid_mask); /* @@ -1038,7 +1043,7 @@ xpc_process_activate_IRQ_rcvd_sn2(int n_IRQs_expected) n_IRQs_detected = xpc_identify_activate_IRQ_sender_sn2(); if (n_IRQs_detected < n_IRQs_expected) { - /* retry once to help avoid missing AMO */ + /* retry once to help avoid missing amo */ (void)xpc_identify_activate_IRQ_sender_sn2(); } } @@ -1386,7 +1391,7 @@ xpc_pull_remote_vars_part_sn2(struct xpc_partition *part) part_sn2->remote_openclose_args_pa = pulled_entry->openclose_args_pa; part_sn2->remote_chctl_amo_va = - (AMO_t *)__va(pulled_entry->chctl_amo_pa); + (struct amo *)__va(pulled_entry->chctl_amo_pa); part_sn2->notify_IRQ_nasid = pulled_entry->notify_IRQ_nasid; part_sn2->notify_IRQ_phys_cpuid = pulled_entry->notify_IRQ_phys_cpuid; @@ -1417,7 +1422,7 @@ xpc_make_first_contact_sn2(struct xpc_partition *part) enum xp_retval ret; /* - * Register the remote partition's AMOs with SAL so it can handle + * Register the remote partition's amos with SAL so it can handle * and cleanup errors within that address range should the remote * partition go down. We don't unregister this range because it is * difficult to tell when outstanding writes to the remote partition @@ -2192,9 +2197,9 @@ xpc_init_sn2(void) xpc_send_msg = xpc_send_msg_sn2; xpc_received_msg = xpc_received_msg_sn2; - /* open up protections for IPI and [potentially] AMO operations */ + /* open up protections for IPI and [potentially] amo operations */ xpc_allow_IPI_ops_sn2(); - xpc_allow_AMO_ops_shub_wars_1_1_sn2(); + xpc_allow_amo_ops_shub_wars_1_1_sn2(); /* * This is safe to do before the xpc_hb_checker thread has started diff --git a/include/asm-ia64/sn/mspec.h b/include/asm-ia64/sn/mspec.h index dbe13c6121a..c1d3c50c322 100644 --- a/include/asm-ia64/sn/mspec.h +++ b/include/asm-ia64/sn/mspec.h @@ -4,7 +4,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (c) 2001-2004 Silicon Graphics, Inc. All rights reserved. + * Copyright (c) 2001-2008 Silicon Graphics, Inc. All rights reserved. */ #ifndef _ASM_IA64_SN_MSPEC_H @@ -32,26 +32,26 @@ #ifdef __KERNEL__ /* - * Each Atomic Memory Operation (AMO formerly known as fetchop) + * Each Atomic Memory Operation (amo, formerly known as fetchop) * variable is 64 bytes long. The first 8 bytes are used. The * remaining 56 bytes are unaddressable due to the operation taking * that portion of the address. * - * NOTE: The AMO_t _MUST_ be placed in either the first or second half - * of the cache line. The cache line _MUST NOT_ be used for anything - * other than additional AMO_t entries. This is because there are two + * NOTE: The amo structure _MUST_ be placed in either the first or second + * half of the cache line. The cache line _MUST NOT_ be used for anything + * other than additional amo entries. This is because there are two * addresses which reference the same physical cache line. One will * be a cached entry with the memory type bits all set. This address - * may be loaded into processor cache. The AMO_t will be referenced + * may be loaded into processor cache. The amo will be referenced * uncached via the memory special memory type. If any portion of the * cached cache-line is modified, when that line is flushed, it will * overwrite the uncached value in physical memory and lead to * inconsistency. */ -typedef struct { +struct amo { u64 variable; u64 unused[7]; -} AMO_t; +}; #endif /* __KERNEL__ */ |