tools/testing/nvdimm: dynamic label support

Update nfit_test infrastructure to enable labels for the dimm on the
nfit_test.1 bus.  This bus has a pmem region without aliased blk space,
so it is a candidate for dynamically enabling label support by writing
a namespace index block.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>

1 files changed, 23 insertions, 7 deletions

diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c
index c9a6458cb63e..c02f9a8bd382 100644
--- a/tools/testing/nvdimm/test/nfit.c
+++ b/tools/testing/nvdimm/test/nfit.c
@@ -124,12 +124,13 @@ struct nfit_test_dcr {
         (((node & 0xfff) << 16) | ((socket & 0xf) << 12) \
          | ((imc & 0xf) << 8) | ((chan & 0xf) << 4) | (dimm & 0xf))
 
-static u32 handle[NUM_DCR] = {
+static u32 handle[] = {
         [0] = NFIT_DIMM_HANDLE(0, 0, 0, 0, 0),
         [1] = NFIT_DIMM_HANDLE(0, 0, 0, 0, 1),
         [2] = NFIT_DIMM_HANDLE(0, 0, 1, 0, 0),
         [3] = NFIT_DIMM_HANDLE(0, 0, 1, 0, 1),
         [4] = NFIT_DIMM_HANDLE(0, 1, 0, 0, 0),
+        [5] = NFIT_DIMM_HANDLE(1, 0, 0, 0, 0),
 };
 
 static unsigned long dimm_fail_cmd_flags[NUM_DCR];
@@ -141,6 +142,7 @@ struct nfit_test {
         void *nfit_buf;
         dma_addr_t nfit_dma;
         size_t nfit_size;
+        int dcr_idx;
         int num_dcr;
         int num_pm;
         void **dimm;
@@ -425,11 +427,11 @@ static int nfit_test_ctl(struct nvdimm_bus_descriptor *nd_desc,
                         break;
                 case ND_CMD_GET_CONFIG_DATA:
                         rc = nfit_test_cmd_get_config_data(buf, buf_len,
-                                t->label[i]);
+                                t->label[i - t->dcr_idx]);
                         break;
                 case ND_CMD_SET_CONFIG_DATA:
                         rc = nfit_test_cmd_set_config_data(buf, buf_len,
-                                t->label[i]);
+                                t->label[i - t->dcr_idx]);
                         break;
                 case ND_CMD_SMART:
                         rc = nfit_test_cmd_smart(buf, buf_len);
@@ -681,7 +683,7 @@ static int nfit_test0_alloc(struct nfit_test *t)
         if (!t->spa_set[2])
                 return -ENOMEM;
 
-        for (i = 0; i < NUM_DCR; i++) {
+        for (i = 0; i < t->num_dcr; i++) {
                 t->dimm[i] = test_alloc(t, DIMM_SIZE, &t->dimm_dma[i]);
                 if (!t->dimm[i])
                         return -ENOMEM;
@@ -698,7 +700,7 @@ static int nfit_test0_alloc(struct nfit_test *t)
                         return -ENOMEM;
         }
 
-        for (i = 0; i < NUM_DCR; i++) {
+        for (i = 0; i < t->num_dcr; i++) {
                 t->dcr[i] = test_alloc(t, LABEL_SIZE, &t->dcr_dma[i]);
                 if (!t->dcr[i])
                         return -ENOMEM;
@@ -727,6 +729,7 @@ static int nfit_test1_alloc(struct nfit_test *t)
         size_t nfit_size = sizeof(struct acpi_nfit_system_address) * 2
                 + sizeof(struct acpi_nfit_memory_map)
                 + offsetof(struct acpi_nfit_control_region, window_size);
+        int i;
 
         t->nfit_buf = test_alloc(t, nfit_size, &t->nfit_dma);
         if (!t->nfit_buf)
@@ -737,6 +740,13 @@ static int nfit_test1_alloc(struct nfit_test *t)
         if (!t->spa_set[0])
                 return -ENOMEM;
 
+        for (i = 0; i < t->num_dcr; i++) {
+                t->label[i] = test_alloc(t, LABEL_SIZE, &t->label_dma[i]);
+                if (!t->label[i])
+                        return -ENOMEM;
+                sprintf(t->label[i], "label%d", i);
+        }
+
         t->spa_set[1] = test_alloc(t, SPA_VCD_SIZE, &t->spa_set_dma[1]);
         if (!t->spa_set[1])
                 return -ENOMEM;
@@ -1449,7 +1459,7 @@ static void nfit_test1_setup(struct nfit_test *t)
         memdev = nfit_buf + offset;
         memdev->header.type = ACPI_NFIT_TYPE_MEMORY_MAP;
         memdev->header.length = sizeof(*memdev);
-        memdev->device_handle = 0;
+        memdev->device_handle = handle[5];
         memdev->physical_id = 0;
         memdev->region_id = 0;
         memdev->range_index = 0+1;
@@ -1471,7 +1481,7 @@ static void nfit_test1_setup(struct nfit_test *t)
                         window_size);
         dcr->region_index = 0+1;
         dcr_common_init(dcr);
-        dcr->serial_number = ~0;
+        dcr->serial_number = ~handle[5];
         dcr->code = NFIT_FIC_BYTE;
         dcr->windows = 0;
 
@@ -1482,6 +1492,9 @@ static void nfit_test1_setup(struct nfit_test *t)
         set_bit(ND_CMD_ARS_START, &acpi_desc->bus_cmd_force_en);
         set_bit(ND_CMD_ARS_STATUS, &acpi_desc->bus_cmd_force_en);
         set_bit(ND_CMD_CLEAR_ERROR, &acpi_desc->bus_cmd_force_en);
+        set_bit(ND_CMD_GET_CONFIG_SIZE, &acpi_desc->dimm_cmd_force_en);
+        set_bit(ND_CMD_GET_CONFIG_DATA, &acpi_desc->dimm_cmd_force_en);
+        set_bit(ND_CMD_SET_CONFIG_DATA, &acpi_desc->dimm_cmd_force_en);
 }
 
 static int nfit_test_blk_do_io(struct nd_blk_region *ndbr, resource_size_t dpa,
@@ -1658,12 +1671,15 @@ static __init int nfit_test_init(void)
                 switch (i) {
                 case 0:
                         nfit_test->num_pm = NUM_PM;
+                        nfit_test->dcr_idx = 0;
                         nfit_test->num_dcr = NUM_DCR;
                         nfit_test->alloc = nfit_test0_alloc;
                         nfit_test->setup = nfit_test0_setup;
                         break;
                 case 1:
                         nfit_test->num_pm = 1;
+                        nfit_test->dcr_idx = NUM_DCR;
+                        nfit_test->num_dcr = 1;
                         nfit_test->alloc = nfit_test1_alloc;
                         nfit_test->setup = nfit_test1_setup;
                         break;