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Diffstat (limited to 'arch/powerpc/kernel/fadump.c')
-rw-r--r--arch/powerpc/kernel/fadump.c114
1 files changed, 57 insertions, 57 deletions
diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c
index 742694c1d852..26d091a1a54c 100644
--- a/arch/powerpc/kernel/fadump.c
+++ b/arch/powerpc/kernel/fadump.c
@@ -58,7 +58,7 @@ int __init early_init_dt_scan_fw_dump(unsigned long node,
58 const __be32 *sections; 58 const __be32 *sections;
59 int i, num_sections; 59 int i, num_sections;
60 int size; 60 int size;
61 const int *token; 61 const __be32 *token;
62 62
63 if (depth != 1 || strcmp(uname, "rtas") != 0) 63 if (depth != 1 || strcmp(uname, "rtas") != 0)
64 return 0; 64 return 0;
@@ -72,7 +72,7 @@ int __init early_init_dt_scan_fw_dump(unsigned long node,
72 return 1; 72 return 1;
73 73
74 fw_dump.fadump_supported = 1; 74 fw_dump.fadump_supported = 1;
75 fw_dump.ibm_configure_kernel_dump = *token; 75 fw_dump.ibm_configure_kernel_dump = be32_to_cpu(*token);
76 76
77 /* 77 /*
78 * The 'ibm,kernel-dump' rtas node is present only if there is 78 * The 'ibm,kernel-dump' rtas node is present only if there is
@@ -147,11 +147,11 @@ static unsigned long init_fadump_mem_struct(struct fadump_mem_struct *fdm,
147 memset(fdm, 0, sizeof(struct fadump_mem_struct)); 147 memset(fdm, 0, sizeof(struct fadump_mem_struct));
148 addr = addr & PAGE_MASK; 148 addr = addr & PAGE_MASK;
149 149
150 fdm->header.dump_format_version = 0x00000001; 150 fdm->header.dump_format_version = cpu_to_be32(0x00000001);
151 fdm->header.dump_num_sections = 3; 151 fdm->header.dump_num_sections = cpu_to_be16(3);
152 fdm->header.dump_status_flag = 0; 152 fdm->header.dump_status_flag = 0;
153 fdm->header.offset_first_dump_section = 153 fdm->header.offset_first_dump_section =
154 (u32)offsetof(struct fadump_mem_struct, cpu_state_data); 154 cpu_to_be32((u32)offsetof(struct fadump_mem_struct, cpu_state_data));
155 155
156 /* 156 /*
157 * Fields for disk dump option. 157 * Fields for disk dump option.
@@ -167,27 +167,27 @@ static unsigned long init_fadump_mem_struct(struct fadump_mem_struct *fdm,
167 167
168 /* Kernel dump sections */ 168 /* Kernel dump sections */
169 /* cpu state data section. */ 169 /* cpu state data section. */
170 fdm->cpu_state_data.request_flag = FADUMP_REQUEST_FLAG; 170 fdm->cpu_state_data.request_flag = cpu_to_be32(FADUMP_REQUEST_FLAG);
171 fdm->cpu_state_data.source_data_type = FADUMP_CPU_STATE_DATA; 171 fdm->cpu_state_data.source_data_type = cpu_to_be16(FADUMP_CPU_STATE_DATA);
172 fdm->cpu_state_data.source_address = 0; 172 fdm->cpu_state_data.source_address = 0;
173 fdm->cpu_state_data.source_len = fw_dump.cpu_state_data_size; 173 fdm->cpu_state_data.source_len = cpu_to_be64(fw_dump.cpu_state_data_size);
174 fdm->cpu_state_data.destination_address = addr; 174 fdm->cpu_state_data.destination_address = cpu_to_be64(addr);
175 addr += fw_dump.cpu_state_data_size; 175 addr += fw_dump.cpu_state_data_size;
176 176
177 /* hpte region section */ 177 /* hpte region section */
178 fdm->hpte_region.request_flag = FADUMP_REQUEST_FLAG; 178 fdm->hpte_region.request_flag = cpu_to_be32(FADUMP_REQUEST_FLAG);
179 fdm->hpte_region.source_data_type = FADUMP_HPTE_REGION; 179 fdm->hpte_region.source_data_type = cpu_to_be16(FADUMP_HPTE_REGION);
180 fdm->hpte_region.source_address = 0; 180 fdm->hpte_region.source_address = 0;
181 fdm->hpte_region.source_len = fw_dump.hpte_region_size; 181 fdm->hpte_region.source_len = cpu_to_be64(fw_dump.hpte_region_size);
182 fdm->hpte_region.destination_address = addr; 182 fdm->hpte_region.destination_address = cpu_to_be64(addr);
183 addr += fw_dump.hpte_region_size; 183 addr += fw_dump.hpte_region_size;
184 184
185 /* RMA region section */ 185 /* RMA region section */
186 fdm->rmr_region.request_flag = FADUMP_REQUEST_FLAG; 186 fdm->rmr_region.request_flag = cpu_to_be32(FADUMP_REQUEST_FLAG);
187 fdm->rmr_region.source_data_type = FADUMP_REAL_MODE_REGION; 187 fdm->rmr_region.source_data_type = cpu_to_be16(FADUMP_REAL_MODE_REGION);
188 fdm->rmr_region.source_address = RMA_START; 188 fdm->rmr_region.source_address = cpu_to_be64(RMA_START);
189 fdm->rmr_region.source_len = fw_dump.boot_memory_size; 189 fdm->rmr_region.source_len = cpu_to_be64(fw_dump.boot_memory_size);
190 fdm->rmr_region.destination_address = addr; 190 fdm->rmr_region.destination_address = cpu_to_be64(addr);
191 addr += fw_dump.boot_memory_size; 191 addr += fw_dump.boot_memory_size;
192 192
193 return addr; 193 return addr;
@@ -272,7 +272,7 @@ int __init fadump_reserve_mem(void)
272 * first kernel. 272 * first kernel.
273 */ 273 */
274 if (fdm_active) 274 if (fdm_active)
275 fw_dump.boot_memory_size = fdm_active->rmr_region.source_len; 275 fw_dump.boot_memory_size = be64_to_cpu(fdm_active->rmr_region.source_len);
276 else 276 else
277 fw_dump.boot_memory_size = fadump_calculate_reserve_size(); 277 fw_dump.boot_memory_size = fadump_calculate_reserve_size();
278 278
@@ -314,8 +314,8 @@ int __init fadump_reserve_mem(void)
314 (unsigned long)(base >> 20)); 314 (unsigned long)(base >> 20));
315 315
316 fw_dump.fadumphdr_addr = 316 fw_dump.fadumphdr_addr =
317 fdm_active->rmr_region.destination_address + 317 be64_to_cpu(fdm_active->rmr_region.destination_address) +
318 fdm_active->rmr_region.source_len; 318 be64_to_cpu(fdm_active->rmr_region.source_len);
319 pr_debug("fadumphdr_addr = %p\n", 319 pr_debug("fadumphdr_addr = %p\n",
320 (void *) fw_dump.fadumphdr_addr); 320 (void *) fw_dump.fadumphdr_addr);
321 } else { 321 } else {
@@ -472,9 +472,9 @@ fadump_read_registers(struct fadump_reg_entry *reg_entry, struct pt_regs *regs)
472{ 472{
473 memset(regs, 0, sizeof(struct pt_regs)); 473 memset(regs, 0, sizeof(struct pt_regs));
474 474
475 while (reg_entry->reg_id != REG_ID("CPUEND")) { 475 while (be64_to_cpu(reg_entry->reg_id) != REG_ID("CPUEND")) {
476 fadump_set_regval(regs, reg_entry->reg_id, 476 fadump_set_regval(regs, be64_to_cpu(reg_entry->reg_id),
477 reg_entry->reg_value); 477 be64_to_cpu(reg_entry->reg_value));
478 reg_entry++; 478 reg_entry++;
479 } 479 }
480 reg_entry++; 480 reg_entry++;
@@ -603,20 +603,20 @@ static int __init fadump_build_cpu_notes(const struct fadump_mem_struct *fdm)
603 if (!fdm->cpu_state_data.bytes_dumped) 603 if (!fdm->cpu_state_data.bytes_dumped)
604 return -EINVAL; 604 return -EINVAL;
605 605
606 addr = fdm->cpu_state_data.destination_address; 606 addr = be64_to_cpu(fdm->cpu_state_data.destination_address);
607 vaddr = __va(addr); 607 vaddr = __va(addr);
608 608
609 reg_header = vaddr; 609 reg_header = vaddr;
610 if (reg_header->magic_number != REGSAVE_AREA_MAGIC) { 610 if (be64_to_cpu(reg_header->magic_number) != REGSAVE_AREA_MAGIC) {
611 printk(KERN_ERR "Unable to read register save area.\n"); 611 printk(KERN_ERR "Unable to read register save area.\n");
612 return -ENOENT; 612 return -ENOENT;
613 } 613 }
614 pr_debug("--------CPU State Data------------\n"); 614 pr_debug("--------CPU State Data------------\n");
615 pr_debug("Magic Number: %llx\n", reg_header->magic_number); 615 pr_debug("Magic Number: %llx\n", be64_to_cpu(reg_header->magic_number));
616 pr_debug("NumCpuOffset: %x\n", reg_header->num_cpu_offset); 616 pr_debug("NumCpuOffset: %x\n", be32_to_cpu(reg_header->num_cpu_offset));
617 617
618 vaddr += reg_header->num_cpu_offset; 618 vaddr += be32_to_cpu(reg_header->num_cpu_offset);
619 num_cpus = *((u32 *)(vaddr)); 619 num_cpus = be32_to_cpu(*((__be32 *)(vaddr)));
620 pr_debug("NumCpus : %u\n", num_cpus); 620 pr_debug("NumCpus : %u\n", num_cpus);
621 vaddr += sizeof(u32); 621 vaddr += sizeof(u32);
622 reg_entry = (struct fadump_reg_entry *)vaddr; 622 reg_entry = (struct fadump_reg_entry *)vaddr;
@@ -639,13 +639,13 @@ static int __init fadump_build_cpu_notes(const struct fadump_mem_struct *fdm)
639 fdh = __va(fw_dump.fadumphdr_addr); 639 fdh = __va(fw_dump.fadumphdr_addr);
640 640
641 for (i = 0; i < num_cpus; i++) { 641 for (i = 0; i < num_cpus; i++) {
642 if (reg_entry->reg_id != REG_ID("CPUSTRT")) { 642 if (be64_to_cpu(reg_entry->reg_id) != REG_ID("CPUSTRT")) {
643 printk(KERN_ERR "Unable to read CPU state data\n"); 643 printk(KERN_ERR "Unable to read CPU state data\n");
644 rc = -ENOENT; 644 rc = -ENOENT;
645 goto error_out; 645 goto error_out;
646 } 646 }
647 /* Lower 4 bytes of reg_value contains logical cpu id */ 647 /* Lower 4 bytes of reg_value contains logical cpu id */
648 cpu = reg_entry->reg_value & FADUMP_CPU_ID_MASK; 648 cpu = be64_to_cpu(reg_entry->reg_value) & FADUMP_CPU_ID_MASK;
649 if (fdh && !cpumask_test_cpu(cpu, &fdh->cpu_online_mask)) { 649 if (fdh && !cpumask_test_cpu(cpu, &fdh->cpu_online_mask)) {
650 SKIP_TO_NEXT_CPU(reg_entry); 650 SKIP_TO_NEXT_CPU(reg_entry);
651 continue; 651 continue;
@@ -692,7 +692,7 @@ static int __init process_fadump(const struct fadump_mem_struct *fdm_active)
692 return -EINVAL; 692 return -EINVAL;
693 693
694 /* Check if the dump data is valid. */ 694 /* Check if the dump data is valid. */
695 if ((fdm_active->header.dump_status_flag == FADUMP_ERROR_FLAG) || 695 if ((be16_to_cpu(fdm_active->header.dump_status_flag) == FADUMP_ERROR_FLAG) ||
696 (fdm_active->cpu_state_data.error_flags != 0) || 696 (fdm_active->cpu_state_data.error_flags != 0) ||
697 (fdm_active->rmr_region.error_flags != 0)) { 697 (fdm_active->rmr_region.error_flags != 0)) {
698 printk(KERN_ERR "Dump taken by platform is not valid\n"); 698 printk(KERN_ERR "Dump taken by platform is not valid\n");
@@ -828,7 +828,7 @@ static void fadump_setup_crash_memory_ranges(void)
828static inline unsigned long fadump_relocate(unsigned long paddr) 828static inline unsigned long fadump_relocate(unsigned long paddr)
829{ 829{
830 if (paddr > RMA_START && paddr < fw_dump.boot_memory_size) 830 if (paddr > RMA_START && paddr < fw_dump.boot_memory_size)
831 return fdm.rmr_region.destination_address + paddr; 831 return be64_to_cpu(fdm.rmr_region.destination_address) + paddr;
832 else 832 else
833 return paddr; 833 return paddr;
834} 834}
@@ -902,7 +902,7 @@ static int fadump_create_elfcore_headers(char *bufp)
902 * to the specified destination_address. Hence set 902 * to the specified destination_address. Hence set
903 * the correct offset. 903 * the correct offset.
904 */ 904 */
905 phdr->p_offset = fdm.rmr_region.destination_address; 905 phdr->p_offset = be64_to_cpu(fdm.rmr_region.destination_address);
906 } 906 }
907 907
908 phdr->p_paddr = mbase; 908 phdr->p_paddr = mbase;
@@ -951,7 +951,7 @@ static void register_fadump(void)
951 951
952 fadump_setup_crash_memory_ranges(); 952 fadump_setup_crash_memory_ranges();
953 953
954 addr = fdm.rmr_region.destination_address + fdm.rmr_region.source_len; 954 addr = be64_to_cpu(fdm.rmr_region.destination_address) + be64_to_cpu(fdm.rmr_region.source_len);
955 /* Initialize fadump crash info header. */ 955 /* Initialize fadump crash info header. */
956 addr = init_fadump_header(addr); 956 addr = init_fadump_header(addr);
957 vaddr = __va(addr); 957 vaddr = __va(addr);
@@ -1023,7 +1023,7 @@ void fadump_cleanup(void)
1023 /* Invalidate the registration only if dump is active. */ 1023 /* Invalidate the registration only if dump is active. */
1024 if (fw_dump.dump_active) { 1024 if (fw_dump.dump_active) {
1025 init_fadump_mem_struct(&fdm, 1025 init_fadump_mem_struct(&fdm,
1026 fdm_active->cpu_state_data.destination_address); 1026 be64_to_cpu(fdm_active->cpu_state_data.destination_address));
1027 fadump_invalidate_dump(&fdm); 1027 fadump_invalidate_dump(&fdm);
1028 } 1028 }
1029} 1029}
@@ -1063,7 +1063,7 @@ static void fadump_invalidate_release_mem(void)
1063 return; 1063 return;
1064 } 1064 }
1065 1065
1066 destination_address = fdm_active->cpu_state_data.destination_address; 1066 destination_address = be64_to_cpu(fdm_active->cpu_state_data.destination_address);
1067 fadump_cleanup(); 1067 fadump_cleanup();
1068 mutex_unlock(&fadump_mutex); 1068 mutex_unlock(&fadump_mutex);
1069 1069
@@ -1183,31 +1183,31 @@ static int fadump_region_show(struct seq_file *m, void *private)
1183 seq_printf(m, 1183 seq_printf(m,
1184 "CPU : [%#016llx-%#016llx] %#llx bytes, " 1184 "CPU : [%#016llx-%#016llx] %#llx bytes, "
1185 "Dumped: %#llx\n", 1185 "Dumped: %#llx\n",
1186 fdm_ptr->cpu_state_data.destination_address, 1186 be64_to_cpu(fdm_ptr->cpu_state_data.destination_address),
1187 fdm_ptr->cpu_state_data.destination_address + 1187 be64_to_cpu(fdm_ptr->cpu_state_data.destination_address) +
1188 fdm_ptr->cpu_state_data.source_len - 1, 1188 be64_to_cpu(fdm_ptr->cpu_state_data.source_len) - 1,
1189 fdm_ptr->cpu_state_data.source_len, 1189 be64_to_cpu(fdm_ptr->cpu_state_data.source_len),
1190 fdm_ptr->cpu_state_data.bytes_dumped); 1190 be64_to_cpu(fdm_ptr->cpu_state_data.bytes_dumped));
1191 seq_printf(m, 1191 seq_printf(m,
1192 "HPTE: [%#016llx-%#016llx] %#llx bytes, " 1192 "HPTE: [%#016llx-%#016llx] %#llx bytes, "
1193 "Dumped: %#llx\n", 1193 "Dumped: %#llx\n",
1194 fdm_ptr->hpte_region.destination_address, 1194 be64_to_cpu(fdm_ptr->hpte_region.destination_address),
1195 fdm_ptr->hpte_region.destination_address + 1195 be64_to_cpu(fdm_ptr->hpte_region.destination_address) +
1196 fdm_ptr->hpte_region.source_len - 1, 1196 be64_to_cpu(fdm_ptr->hpte_region.source_len) - 1,
1197 fdm_ptr->hpte_region.source_len, 1197 be64_to_cpu(fdm_ptr->hpte_region.source_len),
1198 fdm_ptr->hpte_region.bytes_dumped); 1198 be64_to_cpu(fdm_ptr->hpte_region.bytes_dumped));
1199 seq_printf(m, 1199 seq_printf(m,
1200 "DUMP: [%#016llx-%#016llx] %#llx bytes, " 1200 "DUMP: [%#016llx-%#016llx] %#llx bytes, "
1201 "Dumped: %#llx\n", 1201 "Dumped: %#llx\n",
1202 fdm_ptr->rmr_region.destination_address, 1202 be64_to_cpu(fdm_ptr->rmr_region.destination_address),
1203 fdm_ptr->rmr_region.destination_address + 1203 be64_to_cpu(fdm_ptr->rmr_region.destination_address) +
1204 fdm_ptr->rmr_region.source_len - 1, 1204 be64_to_cpu(fdm_ptr->rmr_region.source_len) - 1,
1205 fdm_ptr->rmr_region.source_len, 1205 be64_to_cpu(fdm_ptr->rmr_region.source_len),
1206 fdm_ptr->rmr_region.bytes_dumped); 1206 be64_to_cpu(fdm_ptr->rmr_region.bytes_dumped));
1207 1207
1208 if (!fdm_active || 1208 if (!fdm_active ||
1209 (fw_dump.reserve_dump_area_start == 1209 (fw_dump.reserve_dump_area_start ==
1210 fdm_ptr->cpu_state_data.destination_address)) 1210 be64_to_cpu(fdm_ptr->cpu_state_data.destination_address)))
1211 goto out; 1211 goto out;
1212 1212
1213 /* Dump is active. Show reserved memory region. */ 1213 /* Dump is active. Show reserved memory region. */
@@ -1215,10 +1215,10 @@ static int fadump_region_show(struct seq_file *m, void *private)
1215 " : [%#016llx-%#016llx] %#llx bytes, " 1215 " : [%#016llx-%#016llx] %#llx bytes, "
1216 "Dumped: %#llx\n", 1216 "Dumped: %#llx\n",
1217 (unsigned long long)fw_dump.reserve_dump_area_start, 1217 (unsigned long long)fw_dump.reserve_dump_area_start,
1218 fdm_ptr->cpu_state_data.destination_address - 1, 1218 be64_to_cpu(fdm_ptr->cpu_state_data.destination_address) - 1,
1219 fdm_ptr->cpu_state_data.destination_address - 1219 be64_to_cpu(fdm_ptr->cpu_state_data.destination_address) -
1220 fw_dump.reserve_dump_area_start, 1220 fw_dump.reserve_dump_area_start,
1221 fdm_ptr->cpu_state_data.destination_address - 1221 be64_to_cpu(fdm_ptr->cpu_state_data.destination_address) -
1222 fw_dump.reserve_dump_area_start); 1222 fw_dump.reserve_dump_area_start);
1223out: 1223out:
1224 if (fdm_active) 1224 if (fdm_active)