1*40e6c395SSrinivas PandruvadaWhat: /sys/kernel/debug/tpmi-<n>/pfs_dump 2*40e6c395SSrinivas PandruvadaDate: November 2023 3*40e6c395SSrinivas PandruvadaKernelVersion: 6.6 4*40e6c395SSrinivas PandruvadaContact: srinivas.pandruvada@linux.intel.com 5*40e6c395SSrinivas PandruvadaDescription: 6*40e6c395SSrinivas PandruvadaThe PFS (PM Feature Structure) table, shows details of each power 7*40e6c395SSrinivas Pandruvadamanagement feature. This includes: 8*40e6c395SSrinivas Pandruvadatpmi_id, number of entries, entry size, offset, vsec offset, lock status 9*40e6c395SSrinivas Pandruvadaand disabled status. 10*40e6c395SSrinivas PandruvadaUsers: Debugging, any user space test suite 11*40e6c395SSrinivas Pandruvada 12*40e6c395SSrinivas PandruvadaWhat: /sys/kernel/debug/tpmi-<n>/tpmi-id-<n>/mem_dump 13*40e6c395SSrinivas PandruvadaDate: November 2023 14*40e6c395SSrinivas PandruvadaKernelVersion: 6.6 15*40e6c395SSrinivas PandruvadaContact: srinivas.pandruvada@linux.intel.com 16*40e6c395SSrinivas PandruvadaDescription: 17*40e6c395SSrinivas PandruvadaShows the memory dump of the MMIO region for a TPMI ID. 18*40e6c395SSrinivas PandruvadaUsers: Debugging, any user space test suite 19*40e6c395SSrinivas Pandruvada 20*40e6c395SSrinivas PandruvadaWhat: /sys/kernel/debug/tpmi-<n>/tpmi-id-<n>/mem_write 21*40e6c395SSrinivas PandruvadaDate: November 2023 22*40e6c395SSrinivas PandruvadaKernelVersion: 6.6 23*40e6c395SSrinivas PandruvadaContact: srinivas.pandruvada@linux.intel.com 24*40e6c395SSrinivas PandruvadaDescription: 25*40e6c395SSrinivas PandruvadaAllows to write at any offset. It doesn't check for Read/Write access 26*40e6c395SSrinivas Pandruvadaas hardware will not allow to write at read-only memory. This write is 27*40e6c395SSrinivas Pandruvadaat offset multiples of 4. The format is instance,offset,contents. 28*40e6c395SSrinivas PandruvadaExample: 29*40e6c395SSrinivas Pandruvadaecho 0,0x20,0xff > mem_write 30*40e6c395SSrinivas Pandruvadaecho 1,64,64 > mem_write 31*40e6c395SSrinivas PandruvadaUsers: Debugging, any user space test suite 32