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authorChen, Gong <gong.chen@linux.intel.com>2014-06-17 22:33:07 -0400
committerTony Luck <tony.luck@intel.com>2014-06-25 13:26:47 -0700
commit2dfb7d51a61d7ca91b131c8db612f27d9390f2d5 (patch)
treeb2e9375f1ffaf2dc93418d78c27b6a13b34c8e88 /drivers/firmware
parentd963cd95bea93b7db9390a71d1e2cabbb3b2c3ea (diff)
downloadlinux-2dfb7d51a61d7ca91b131c8db612f27d9390f2d5.tar.bz2
trace, RAS: Add eMCA trace event interface
Add trace interface to elaborate all H/W error related information. Signed-off-by: Chen, Gong <gong.chen@linux.intel.com> Acked-by: Borislav Petkov <bp@suse.de> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'drivers/firmware')
-rw-r--r--drivers/firmware/efi/cper.c45
1 files changed, 41 insertions, 4 deletions
diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c
index ac33a9fed341..437e6fd47311 100644
--- a/drivers/firmware/efi/cper.c
+++ b/drivers/firmware/efi/cper.c
@@ -207,7 +207,7 @@ const char *cper_mem_err_type_str(unsigned int etype)
}
EXPORT_SYMBOL_GPL(cper_mem_err_type_str);
-static int cper_mem_err_location(const struct cper_sec_mem_err *mem, char *msg)
+static int cper_mem_err_location(struct cper_mem_err_compact *mem, char *msg)
{
u32 len, n;
@@ -249,7 +249,7 @@ static int cper_mem_err_location(const struct cper_sec_mem_err *mem, char *msg)
return n;
}
-static int cper_dimm_err_location(const struct cper_sec_mem_err *mem, char *msg)
+static int cper_dimm_err_location(struct cper_mem_err_compact *mem, char *msg)
{
u32 len, n;
const char *bank = NULL, *device = NULL;
@@ -271,8 +271,44 @@ static int cper_dimm_err_location(const struct cper_sec_mem_err *mem, char *msg)
return n;
}
+void cper_mem_err_pack(const struct cper_sec_mem_err *mem,
+ struct cper_mem_err_compact *cmem)
+{
+ cmem->validation_bits = mem->validation_bits;
+ cmem->node = mem->node;
+ cmem->card = mem->card;
+ cmem->module = mem->module;
+ cmem->bank = mem->bank;
+ cmem->device = mem->device;
+ cmem->row = mem->row;
+ cmem->column = mem->column;
+ cmem->bit_pos = mem->bit_pos;
+ cmem->requestor_id = mem->requestor_id;
+ cmem->responder_id = mem->responder_id;
+ cmem->target_id = mem->target_id;
+ cmem->rank = mem->rank;
+ cmem->mem_array_handle = mem->mem_array_handle;
+ cmem->mem_dev_handle = mem->mem_dev_handle;
+}
+
+const char *cper_mem_err_unpack(struct trace_seq *p,
+ struct cper_mem_err_compact *cmem)
+{
+ const char *ret = p->buffer + p->len;
+
+ if (cper_mem_err_location(cmem, rcd_decode_str))
+ trace_seq_printf(p, "%s", rcd_decode_str);
+ if (cper_dimm_err_location(cmem, rcd_decode_str))
+ trace_seq_printf(p, "%s", rcd_decode_str);
+ trace_seq_putc(p, '\0');
+
+ return ret;
+}
+
static void cper_print_mem(const char *pfx, const struct cper_sec_mem_err *mem)
{
+ struct cper_mem_err_compact cmem;
+
if (mem->validation_bits & CPER_MEM_VALID_ERROR_STATUS)
printk("%s""error_status: 0x%016llx\n", pfx, mem->error_status);
if (mem->validation_bits & CPER_MEM_VALID_PA)
@@ -281,14 +317,15 @@ static void cper_print_mem(const char *pfx, const struct cper_sec_mem_err *mem)
if (mem->validation_bits & CPER_MEM_VALID_PA_MASK)
printk("%s""physical_address_mask: 0x%016llx\n",
pfx, mem->physical_addr_mask);
- if (cper_mem_err_location(mem, rcd_decode_str))
+ cper_mem_err_pack(mem, &cmem);
+ if (cper_mem_err_location(&cmem, rcd_decode_str))
printk("%s%s\n", pfx, rcd_decode_str);
if (mem->validation_bits & CPER_MEM_VALID_ERROR_TYPE) {
u8 etype = mem->error_type;
printk("%s""error_type: %d, %s\n", pfx, etype,
cper_mem_err_type_str(etype));
}
- if (cper_dimm_err_location(mem, rcd_decode_str))
+ if (cper_dimm_err_location(&cmem, rcd_decode_str))
printk("%s%s\n", pfx, rcd_decode_str);
}