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-rw-r--r--drivers/platform/x86/intel/ifs/ifs.h28
-rw-r--r--drivers/platform/x86/intel/ifs/runtest.c29
2 files changed, 44 insertions, 13 deletions
diff --git a/drivers/platform/x86/intel/ifs/ifs.h b/drivers/platform/x86/intel/ifs/ifs.h
index 4824316b3acd..f0dd849b3400 100644
--- a/drivers/platform/x86/intel/ifs/ifs.h
+++ b/drivers/platform/x86/intel/ifs/ifs.h
@@ -199,9 +199,17 @@ union ifs_chunks_auth_status_gen2 {
union ifs_scan {
u64 data;
struct {
- u32 start :8;
- u32 stop :8;
- u32 rsvd :16;
+ union {
+ struct {
+ u8 start;
+ u8 stop;
+ u16 rsvd;
+ } gen0;
+ struct {
+ u16 start;
+ u16 stop;
+ } gen2;
+ };
u32 delay :31;
u32 sigmce :1;
};
@@ -211,9 +219,17 @@ union ifs_scan {
union ifs_status {
u64 data;
struct {
- u32 chunk_num :8;
- u32 chunk_stop_index :8;
- u32 rsvd1 :16;
+ union {
+ struct {
+ u8 chunk_num;
+ u8 chunk_stop_index;
+ u16 rsvd1;
+ } gen0;
+ struct {
+ u16 chunk_num;
+ u16 chunk_stop_index;
+ } gen2;
+ };
u32 error_code :8;
u32 rsvd2 :22;
u32 control_error :1;
diff --git a/drivers/platform/x86/intel/ifs/runtest.c b/drivers/platform/x86/intel/ifs/runtest.c
index 1061eb7ec399..925c30c79011 100644
--- a/drivers/platform/x86/intel/ifs/runtest.c
+++ b/drivers/platform/x86/intel/ifs/runtest.c
@@ -171,21 +171,31 @@ static void ifs_test_core(int cpu, struct device *dev)
union ifs_status status;
unsigned long timeout;
struct ifs_data *ifsd;
+ int to_start, to_stop;
+ int status_chunk;
u64 msrvals[2];
int retries;
ifsd = ifs_get_data(dev);
- activate.rsvd = 0;
+ activate.gen0.rsvd = 0;
activate.delay = IFS_THREAD_WAIT;
activate.sigmce = 0;
- activate.start = 0;
- activate.stop = ifsd->valid_chunks - 1;
+ to_start = 0;
+ to_stop = ifsd->valid_chunks - 1;
+
+ if (ifsd->generation) {
+ activate.gen2.start = to_start;
+ activate.gen2.stop = to_stop;
+ } else {
+ activate.gen0.start = to_start;
+ activate.gen0.stop = to_stop;
+ }
timeout = jiffies + HZ / 2;
retries = MAX_IFS_RETRIES;
- while (activate.start <= activate.stop) {
+ while (to_start <= to_stop) {
if (time_after(jiffies, timeout)) {
status.error_code = IFS_SW_TIMEOUT;
break;
@@ -196,13 +206,14 @@ static void ifs_test_core(int cpu, struct device *dev)
status.data = msrvals[1];
- trace_ifs_status(cpu, activate, status);
+ trace_ifs_status(cpu, to_start, to_stop, status.data);
/* Some cases can be retried, give up for others */
if (!can_restart(status))
break;
- if (status.chunk_num == activate.start) {
+ status_chunk = ifsd->generation ? status.gen2.chunk_num : status.gen0.chunk_num;
+ if (status_chunk == to_start) {
/* Check for forward progress */
if (--retries == 0) {
if (status.error_code == IFS_NO_ERROR)
@@ -211,7 +222,11 @@ static void ifs_test_core(int cpu, struct device *dev)
}
} else {
retries = MAX_IFS_RETRIES;
- activate.start = status.chunk_num;
+ if (ifsd->generation)
+ activate.gen2.start = status_chunk;
+ else
+ activate.gen0.start = status_chunk;
+ to_start = status_chunk;
}
}