diff options
Diffstat (limited to 'drivers/platform/x86/intel/pmt/telemetry.c')
| -rw-r--r-- | drivers/platform/x86/intel/pmt/telemetry.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/platform/x86/intel/pmt/telemetry.c b/drivers/platform/x86/intel/pmt/telemetry.c index f73ecfd4a309..5e4009c05ecf 100644 --- a/drivers/platform/x86/intel/pmt/telemetry.c +++ b/drivers/platform/x86/intel/pmt/telemetry.c @@ -23,12 +23,19 @@ #define TELEM_GUID_OFFSET 0x4 #define TELEM_BASE_OFFSET 0x8 #define TELEM_ACCESS(v) ((v) & GENMASK(3, 0)) +#define TELEM_TYPE(v) (((v) & GENMASK(7, 4)) >> 4) /* size is in bytes */ #define TELEM_SIZE(v) (((v) & GENMASK(27, 12)) >> 10) /* Used by client hardware to identify a fixed telemetry entry*/ #define TELEM_CLIENT_FIXED_BLOCK_GUID 0x10000000 +enum telem_type { + TELEM_TYPE_PUNIT = 0, + TELEM_TYPE_CRASHLOG, + TELEM_TYPE_PUNIT_FIXED, +}; + struct pmt_telem_priv { int num_entries; struct intel_pmt_entry entry[]; @@ -39,10 +46,15 @@ static bool pmt_telem_region_overlaps(struct intel_pmt_entry *entry, { u32 guid = readl(entry->disc_table + TELEM_GUID_OFFSET); - if (guid != TELEM_CLIENT_FIXED_BLOCK_GUID) - return false; + if (intel_pmt_is_early_client_hw(dev)) { + u32 type = TELEM_TYPE(readl(entry->disc_table)); + + if ((type == TELEM_TYPE_PUNIT_FIXED) || + (guid == TELEM_CLIENT_FIXED_BLOCK_GUID)) + return true; + } - return intel_pmt_is_early_client_hw(dev); + return false; } static int pmt_telem_header_decode(struct intel_pmt_entry *entry, |