powerpc/kernel/mce.c

10 #define pr_fmt(fmt) "mce: " fmt
25 #include <asm/mce.h>
49 static void mce_set_error_info(struct machine_check_event *mce,
52 	mce->error_type = mce_err->error_type;
55 		mce->u.ue_error.ue_error_type = mce_err->u.ue_error_type;
58 		mce->u.slb_error.slb_error_type = mce_err->u.slb_error_type;
61 		mce->u.erat_error.erat_error_type = mce_err->u.erat_error_type;
64 		mce->u.tlb_error.tlb_error_type = mce_err->u.tlb_error_type;
67 		mce->u.user_error.user_error_type = mce_err->u.user_error_type;
70 		mce->u.ra_error.ra_error_type = mce_err->u.ra_error_type;
73 		mce->u.link_error.link_error_type = mce_err->u.link_error_type;
97 	struct machine_check_event *mce;
99 	mce = &local_paca->mce_info->mce_event[index];
101 	 * Return if we don't have enough space to log mce event.
109 	mce->version = MCE_V1;
110 	mce->srr0 = nip;
111 	mce->srr1 = regs->msr;
112 	mce->gpr3 = regs->gpr[3];
113 	mce->in_use = 1;
114 	mce->cpu = get_paca()->paca_index;
118 		mce->disposition = MCE_DISPOSITION_RECOVERED;
120 		mce->disposition = MCE_DISPOSITION_NOT_RECOVERED;
122 	mce->initiator = mce_err->initiator;
123 	mce->severity = mce_err->severity;
124 	mce->sync_error = mce_err->sync_error;
125 	mce->error_class = mce_err->error_class;
128 	 * Populate the mce error_type and type-specific error_type.
130 	mce_set_error_info(mce, mce_err);
131 	if (mce->error_type == MCE_ERROR_TYPE_UE)
132 		mce->u.ue_error.ignore_event = mce_err->ignore_event;
138 	if (mce->disposition == MCE_DISPOSITION_NOT_RECOVERED)
144 	if (mce->error_type == MCE_ERROR_TYPE_TLB) {
145 		mce->u.tlb_error.effective_address_provided = true;
146 		mce->u.tlb_error.effective_address = addr;
147 	} else if (mce->error_type == MCE_ERROR_TYPE_SLB) {
148 		mce->u.slb_error.effective_address_provided = true;
149 		mce->u.slb_error.effective_address = addr;
150 	} else if (mce->error_type == MCE_ERROR_TYPE_ERAT) {
151 		mce->u.erat_error.effective_address_provided = true;
152 		mce->u.erat_error.effective_address = addr;
153 	} else if (mce->error_type == MCE_ERROR_TYPE_USER) {
154 		mce->u.user_error.effective_address_provided = true;
155 		mce->u.user_error.effective_address = addr;
156 	} else if (mce->error_type == MCE_ERROR_TYPE_RA) {
157 		mce->u.ra_error.effective_address_provided = true;
158 		mce->u.ra_error.effective_address = addr;
159 	} else if (mce->error_type == MCE_ERROR_TYPE_LINK) {
160 		mce->u.link_error.effective_address_provided = true;
161 		mce->u.link_error.effective_address = addr;
162 	} else if (mce->error_type == MCE_ERROR_TYPE_UE) {
163 		mce->u.ue_error.effective_address_provided = true;
164 		mce->u.ue_error.effective_address = addr;
166 			mce->u.ue_error.physical_address_provided = true;
167 			mce->u.ue_error.physical_address = phys_addr;
168 			machine_check_ue_event(mce);
176  *	mce	Pointer to machine_check_event structure to be filled.
178  *		0 <= do not release the mce event. Caller will invoke
191 int get_mce_event(struct machine_check_event *mce, bool release)
205 		if (mce)
206 			*mce = *mc_evt;
281  * process pending MCE event from the mce event queue. This function will be
324  * process pending MCE event from the mce event queue. This function will be