nfit-test: Add platform cap support from ACPI 6.2a to test

Adding NFIT platform capabilities sub table in nfit_test simulated ACPI
NFIT table. Only the first NFIT table is added with the capability
sub-table.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>

1 files changed, 12 insertions, 2 deletions

diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c
index 7217b2b953b5..de1373a7ed4f 100644
--- a/tools/testing/nvdimm/test/nfit.c
+++ b/tools/testing/nvdimm/test/nfit.c
@@ -881,7 +881,8 @@ static int nfit_test0_alloc(struct nfit_test *t)
                                         window_size) * NUM_DCR
                         + sizeof(struct acpi_nfit_data_region) * NUM_BDW
                         + (sizeof(struct acpi_nfit_flush_address)
-                                        + sizeof(u64) * NUM_HINTS) * NUM_DCR;
+                                        + sizeof(u64) * NUM_HINTS) * NUM_DCR
+                        + sizeof(struct acpi_nfit_capabilities);
         int i;
 
         t->nfit_buf = test_alloc(t, nfit_size, &t->nfit_dma);
@@ -993,6 +994,7 @@ static void nfit_test0_setup(struct nfit_test *t)
         struct acpi_nfit_control_region *dcr;
         struct acpi_nfit_data_region *bdw;
         struct acpi_nfit_flush_address *flush;
+        struct acpi_nfit_capabilities *pcap;
         unsigned int offset, i;
 
         /*
@@ -1500,8 +1502,16 @@ static void nfit_test0_setup(struct nfit_test *t)
         for (i = 0; i < NUM_HINTS; i++)
                 flush->hint_address[i] = t->flush_dma[3] + i * sizeof(u64);
 
+        /* platform capabilities */
+        pcap = nfit_buf + offset + flush_hint_size * 4;
+        pcap->header.type = ACPI_NFIT_TYPE_CAPABILITIES;
+        pcap->header.length = sizeof(*pcap);
+        pcap->highest_capability = 1;
+        pcap->capabilities = ACPI_NFIT_CAPABILITY_CACHE_FLUSH |
+                ACPI_NFIT_CAPABILITY_MEM_FLUSH;
+
         if (t->setup_hotplug) {
-                offset = offset + flush_hint_size * 4;
+                offset = offset + flush_hint_size * 4 + sizeof(*pcap);
                 /* dcr-descriptor4: blk */
                 dcr = nfit_buf + offset;
                 dcr->header.type = ACPI_NFIT_TYPE_CONTROL_REGION;