29 #include <asm/uv/uv.h>
30 #include <asm/uv/uv_hub.h>
31 #include <asm/uv/uv_mmrs.h>
34  * UV handler for NMI
42  * We also have to lessen UV Hub MMR accesses as much as possible as this
43  * disrupts the UV Hub's primary mission of directing NumaLink traffic and
51  * IPI(NMI) signal as mentioned above, and does not read the UV Hub's MMR.
72 /* UV hubless values */
220 		pr_info("UV: New NMI action:%s\n", uv_nmi_action);  in param_set_action()
224 	pr_err("UV: Invalid NMI action:%s, valid actions are:\n", arg);  in param_set_action()
226 		pr_err("UV: %-8s - %s\n",  in param_set_action()
270 		pr_err("UV:%s:NMI support not available on this system\n", __func__);  in uv_nmi_setup_mmrs()
282 		pr_info("UV: SMI NMI support: %s\n", uvh_nmi_mmrx_type);  in uv_nmi_setup_mmrs()
287 		pr_info("UV: SMI NMI support: %s\n", UVH_NMI_MMR_TYPE);  in uv_nmi_setup_mmrs()
305  * UV hubless NMI handler functions
324 		nmi_debug("UV:PCH: %p = %x & %x | %x (%x)\n",  in uv_init_hubless_pch_io()
328 		nmi_debug("UV:PCH: %p = %x\n", addr, data);  in uv_init_hubless_pch_io()
343 	nmi_debug("UV:NMI: GPP_D_0 interrupt %s\n",  in uv_nmi_setup_hubless_intr()
456 		pr_info("UV: Hubless NMI already configured\n");  in uv_init_hubless_pch_d0()
460 	nmi_debug("UV: Initializing UV Hubless NMI on PCH\n");  in uv_init_hubless_pch_d0()
476 	if (!(status & STS_GPP_D_0_MASK))	/* Not a UV external NMI */  in uv_nmi_test_hubless()
479 	*pstat = STS_GPP_D_0_MASK;	/* Is a UV NMI: clear GPP_D_0 status */  in uv_nmi_test_hubless()
532 			/* Check flag for UV external NMI */  in uv_check_nmi()
560 		 * UV hubless system where only PCH owner can check flag  in uv_check_nmi()
671 /* Wait until all slave CPU's have entered UV NMI handler */
687 		pr_alert("UV: Sending NMI IPI to %d CPUs: %*pbl\n",  in uv_nmi_wait()
697 		pr_alert("UV: %d CPUs not in NMI loop: %*pbl\n",  in uv_nmi_wait()
702 	pr_alert("UV: %d of %d CPUs in NMI\n",  in uv_nmi_wait()
716 	pr_info("UV: %4d %6d %-32.32s %pS",  in uv_nmi_dump_cpu_ip()
738 		pr_info("UV:%sNMI process trace for CPU %d\n", dots, cpu);  in uv_nmi_dump_state_cpu()
762 	pr_crit("UV: CPU %d stuck in process dump function\n", cpu);  in uv_nmi_trigger_dump()
787 		pr_alert("UV: NMI CPU health check (non-responding:%d)\n", out);  in uv_nmi_action_health()
804 		pr_alert("UV: tracing %s for %d CPUs from CPU %d\n",  in uv_nmi_dump_state()
819 			pr_alert("UV: %d CPUs ignored NMI\n", ignored);  in uv_nmi_dump_state()
822 		pr_alert("UV: process trace complete\n");  in uv_nmi_dump_state()
846 			pr_err("UV: NMI error: kdump kernel not loaded\n");  in uv_nmi_kdump()
852 		pr_emerg("UV: NMI executing crash_kexec on CPU%d\n", cpu);  in uv_nmi_kdump()
855 		pr_emerg("UV: crash_kexec unexpectedly returned\n");  in uv_nmi_kdump()
884 	pr_err("UV: NMI error: KDB is not enabled in this kernel\n");  in uv_nmi_kdb_reason()
931 	pr_err("UV: NMI error: KGDB is not enabled in this kernel\n");  in uv_call_kgdb_kdb()
936  * UV NMI handler
947 	/* If not a UV System NMI, ignore */  in uv_handle_nmi()
977 			pr_alert("UV: unknown NMI action: %s\n", uv_nmi_action);  in uv_handle_nmi()
1026 	if (register_nmi_handler(NMI_UNKNOWN, uv_handle_nmi, 0, "uv"))  in uv_register_nmi_notifier()
1027 		pr_warn("UV: NMI handler failed to register\n");  in uv_register_nmi_notifier()
1030 		pr_warn("UV: PING NMI handler failed to register\n");  in uv_register_nmi_notifier()
1052 	nmi_debug("UV: NMI hub list @ 0x%p (%d)\n", uv_hub_nmi_list, size);  in uv_nmi_setup_common()
1071 /* Setup for UV Hub systems */
1077 	pr_info("UV: Hub NMI enabled\n");  in uv_nmi_setup()
1080 /* Setup for UV Hubless systems */
1085 	nmi_debug("UV: PCH base:%p from 0x%lx, GPP_D_0\n",  in uv_nmi_setup_hubless()
1095 	pr_info("UV: PCH NMI enabled\n");  in uv_nmi_setup_hubless()