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 */
216 		pr_info("UV: New NMI action:%s\n", uv_nmi_action);  in param_set_action()
220 	pr_err("UV: Invalid NMI action:%s, valid actions are:\n", arg);  in param_set_action()
222 		pr_err("UV: %-8s - %s\n",  in param_set_action()
266 		pr_err("UV:%s:NMI support not available on this system\n", __func__);  in uv_nmi_setup_mmrs()
278 		pr_info("UV: SMI NMI support: %s\n", uvh_nmi_mmrx_type);  in uv_nmi_setup_mmrs()
283 		pr_info("UV: SMI NMI support: %s\n", UVH_NMI_MMR_TYPE);  in uv_nmi_setup_mmrs()
301  * UV hubless NMI handler functions
320 		nmi_debug("UV:PCH: %p = %x & %x | %x (%x)\n",  in uv_init_hubless_pch_io()
324 		nmi_debug("UV:PCH: %p = %x\n", addr, data);  in uv_init_hubless_pch_io()
339 	nmi_debug("UV:NMI: GPP_D_0 interrupt %s\n",  in uv_nmi_setup_hubless_intr()
452 		pr_info("UV: Hubless NMI already configured\n");  in uv_init_hubless_pch_d0()
456 	nmi_debug("UV: Initializing UV Hubless NMI on PCH\n");  in uv_init_hubless_pch_d0()
472 	if (!(status & STS_GPP_D_0_MASK))	/* Not a UV external NMI */  in uv_nmi_test_hubless()
475 	*pstat = STS_GPP_D_0_MASK;	/* Is a UV NMI: clear GPP_D_0 status */  in uv_nmi_test_hubless()
528 			/* Check flag for UV external NMI */  in uv_check_nmi()
556 		 * UV hubless system where only PCH owner can check flag  in uv_check_nmi()
667 /* Wait until all slave CPU's have entered UV NMI handler */
683 		pr_alert("UV: Sending NMI IPI to %d CPUs: %*pbl\n",  in uv_nmi_wait()
693 		pr_alert("UV: %d CPUs not in NMI loop: %*pbl\n",  in uv_nmi_wait()
698 	pr_alert("UV: %d of %d CPUs in NMI\n",  in uv_nmi_wait()
712 	pr_info("UV: %4d %6d %-32.32s %pS",  in uv_nmi_dump_cpu_ip()
734 		pr_info("UV:%sNMI process trace for CPU %d\n", dots, cpu);  in uv_nmi_dump_state_cpu()
758 	pr_crit("UV: CPU %d stuck in process dump function\n", cpu);  in uv_nmi_trigger_dump()
783 		pr_alert("UV: NMI CPU health check (non-responding:%d)\n", out);  in uv_nmi_action_health()
800 		pr_alert("UV: tracing %s for %d CPUs from CPU %d\n",  in uv_nmi_dump_state()
815 			pr_alert("UV: %d CPUs ignored NMI\n", ignored);  in uv_nmi_dump_state()
818 		pr_alert("UV: process trace complete\n");  in uv_nmi_dump_state()
842 			pr_err("UV: NMI error: kdump kernel not loaded\n");  in uv_nmi_kdump()
848 		pr_emerg("UV: NMI executing crash_kexec on CPU%d\n", cpu);  in uv_nmi_kdump()
851 		pr_emerg("UV: crash_kexec unexpectedly returned\n");  in uv_nmi_kdump()
880 	pr_err("UV: NMI error: KDB is not enabled in this kernel\n");  in uv_nmi_kdb_reason()
927 	pr_err("UV: NMI error: KGDB is not enabled in this kernel\n");  in uv_call_kgdb_kdb()
932  * UV NMI handler
943 	/* If not a UV System NMI, ignore */  in uv_handle_nmi()
973 			pr_alert("UV: unknown NMI action: %s\n", uv_nmi_action);  in uv_handle_nmi()
1022 	if (register_nmi_handler(NMI_UNKNOWN, uv_handle_nmi, 0, "uv"))  in uv_register_nmi_notifier()
1023 		pr_warn("UV: NMI handler failed to register\n");  in uv_register_nmi_notifier()
1026 		pr_warn("UV: PING NMI handler failed to register\n");  in uv_register_nmi_notifier()
1048 	nmi_debug("UV: NMI hub list @ 0x%p (%d)\n", uv_hub_nmi_list, size);  in uv_nmi_setup_common()
1067 /* Setup for UV Hub systems */
1073 	pr_info("UV: Hub NMI enabled\n");  in uv_nmi_setup()
1076 /* Setup for UV Hubless systems */
1081 	nmi_debug("UV: PCH base:%p from 0x%lx, GPP_D_0\n",  in uv_nmi_setup_hubless()
1091 	pr_info("UV: PCH NMI enabled\n");  in uv_nmi_setup_hubless()