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path: root/drivers/platform/x86/intel/ifs/load.c
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Diffstat (limited to 'drivers/platform/x86/intel/ifs/load.c')
-rw-r--r--drivers/platform/x86/intel/ifs/load.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/drivers/platform/x86/intel/ifs/load.c b/drivers/platform/x86/intel/ifs/load.c
index 39f19cb51749..ad0c107f0922 100644
--- a/drivers/platform/x86/intel/ifs/load.c
+++ b/drivers/platform/x86/intel/ifs/load.c
@@ -118,15 +118,17 @@ static void copy_hashes_authenticate_chunks(struct work_struct *work)
union ifs_scan_hashes_status hashes_status;
union ifs_chunks_auth_status chunk_status;
struct device *dev = local_work->dev;
+ const struct ifs_test_msrs *msrs;
int i, num_chunks, chunk_size;
struct ifs_data *ifsd;
u64 linear_addr, base;
u32 err_code;
ifsd = ifs_get_data(dev);
+ msrs = ifs_get_test_msrs(dev);
/* run scan hash copy */
- wrmsrl(MSR_COPY_SCAN_HASHES, ifs_hash_ptr);
- rdmsrl(MSR_SCAN_HASHES_STATUS, hashes_status.data);
+ wrmsrl(msrs->copy_hashes, ifs_hash_ptr);
+ rdmsrl(msrs->copy_hashes_status, hashes_status.data);
/* enumerate the scan image information */
num_chunks = hashes_status.num_chunks;
@@ -147,8 +149,8 @@ static void copy_hashes_authenticate_chunks(struct work_struct *work)
linear_addr = base + i * chunk_size;
linear_addr |= i;
- wrmsrl(MSR_AUTHENTICATE_AND_COPY_CHUNK, linear_addr);
- rdmsrl(MSR_CHUNKS_AUTHENTICATION_STATUS, chunk_status.data);
+ wrmsrl(msrs->copy_chunks, linear_addr);
+ rdmsrl(msrs->copy_chunks_status, chunk_status.data);
ifsd->valid_chunks = chunk_status.valid_chunks;
err_code = chunk_status.error_code;
@@ -180,6 +182,7 @@ static int copy_hashes_authenticate_chunks_gen2(struct device *dev)
union ifs_scan_hashes_status_gen2 hashes_status;
union ifs_chunks_auth_status_gen2 chunk_status;
u32 err_code, valid_chunks, total_chunks;
+ const struct ifs_test_msrs *msrs;
int i, num_chunks, chunk_size;
union meta_data *ifs_meta;
int starting_chunk_nr;
@@ -189,10 +192,11 @@ static int copy_hashes_authenticate_chunks_gen2(struct device *dev)
int retry_count;
ifsd = ifs_get_data(dev);
+ msrs = ifs_get_test_msrs(dev);
if (need_copy_scan_hashes(ifsd)) {
- wrmsrl(MSR_COPY_SCAN_HASHES, ifs_hash_ptr);
- rdmsrl(MSR_SCAN_HASHES_STATUS, hashes_status.data);
+ wrmsrl(msrs->copy_hashes, ifs_hash_ptr);
+ rdmsrl(msrs->copy_hashes_status, hashes_status.data);
/* enumerate the scan image information */
chunk_size = hashes_status.chunk_size * SZ_1K;
@@ -212,8 +216,8 @@ static int copy_hashes_authenticate_chunks_gen2(struct device *dev)
}
if (ifsd->generation >= IFS_GEN_STRIDE_AWARE) {
- wrmsrl(MSR_SAF_CTRL, INVALIDATE_STRIDE);
- rdmsrl(MSR_CHUNKS_AUTHENTICATION_STATUS, chunk_status.data);
+ wrmsrl(msrs->test_ctrl, INVALIDATE_STRIDE);
+ rdmsrl(msrs->copy_chunks_status, chunk_status.data);
if (chunk_status.valid_chunks != 0) {
dev_err(dev, "Couldn't invalidate installed stride - %d\n",
chunk_status.valid_chunks);
@@ -234,9 +238,9 @@ static int copy_hashes_authenticate_chunks_gen2(struct device *dev)
chunk_table[1] = linear_addr;
do {
local_irq_disable();
- wrmsrl(MSR_AUTHENTICATE_AND_COPY_CHUNK, (u64)chunk_table);
+ wrmsrl(msrs->copy_chunks, (u64)chunk_table);
local_irq_enable();
- rdmsrl(MSR_CHUNKS_AUTHENTICATION_STATUS, chunk_status.data);
+ rdmsrl(msrs->copy_chunks_status, chunk_status.data);
err_code = chunk_status.error_code;
} while (err_code == AUTH_INTERRUPTED_ERROR && --retry_count);