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acpi nfit: nfit_test supports translate SPA 

To test ndctl list which use interface of Translate SPA,
nfit_test needs to emulates it.
This test module searches region which includes SPA and
returns 1 dimm handle which is last one.

Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com>
Reviewed-by: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Yasunori Goto 2017-09-22 16:48:38 +09:00 committed by Dan Williams
parent b37b3fd33d
commit 10246dc84d
1 changed files with 103 additions and 1 deletions
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104
tools/testing/nvdimm/test/nfit.c
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@ -342,6 +342,84 @@ static int nfit_test_cmd_clear_error(struct nd_cmd_clear_error *clear_err,
return 0;
}
struct region_search_spa {
u64 addr;
struct nd_region *region;
};
static int is_region_device(struct device *dev)
{
return !strncmp(dev->kobj.name, "region", 6);
}
static int nfit_test_search_region_spa(struct device *dev, void *data)
{
struct region_search_spa *ctx = data;
struct nd_region *nd_region;
resource_size_t ndr_end;
if (!is_region_device(dev))
return 0;
nd_region = to_nd_region(dev);
ndr_end = nd_region->ndr_start + nd_region->ndr_size;
if (ctx->addr >= nd_region->ndr_start && ctx->addr < ndr_end) {
ctx->region = nd_region;
return 1;
}
return 0;
}
static int nfit_test_search_spa(struct nvdimm_bus *bus,
struct nd_cmd_translate_spa *spa)
{
int ret;
struct nd_region *nd_region = NULL;
struct nvdimm *nvdimm = NULL;
struct nd_mapping *nd_mapping = NULL;
struct region_search_spa ctx = {
.addr = spa->spa,
.region = NULL,
};
u64 dpa;
ret = device_for_each_child(&bus->dev, &ctx,
nfit_test_search_region_spa);
if (!ret)
return -ENODEV;
nd_region = ctx.region;
dpa = ctx.addr - nd_region->ndr_start;
/*
* last dimm is selected for test
*/
nd_mapping = &nd_region->mapping[nd_region->ndr_mappings - 1];
nvdimm = nd_mapping->nvdimm;
spa->devices[0].nfit_device_handle = handle[nvdimm->id];
spa->num_nvdimms = 1;
spa->devices[0].dpa = dpa;
return 0;
}
static int nfit_test_cmd_translate_spa(struct nvdimm_bus *bus,
struct nd_cmd_translate_spa *spa, unsigned int buf_len)
{
if (buf_len < spa->translate_length)
return -EINVAL;
if (nfit_test_search_spa(bus, spa) < 0 || !spa->num_nvdimms)
spa->status = 2;
return 0;
}
static int nfit_test_cmd_smart(struct nd_cmd_smart *smart, unsigned int buf_len)
{
static const struct nd_smart_payload smart_data = {
@ -449,6 +527,26 @@ static int nfit_test_ctl(struct nvdimm_bus_descriptor *nd_desc,
}
} else {
struct ars_state *ars_state = &t->ars_state;
struct nd_cmd_pkg *call_pkg = buf;
if (!nd_desc)
return -ENOTTY;
if (cmd == ND_CMD_CALL) {
func = call_pkg->nd_command;
buf_len = call_pkg->nd_size_in + call_pkg->nd_size_out;
buf = (void *) call_pkg->nd_payload;
switch (func) {
case NFIT_CMD_TRANSLATE_SPA:
rc = nfit_test_cmd_translate_spa(
acpi_desc->nvdimm_bus, buf, buf_len);
return rc;
default:
return -ENOTTY;
}
}
if (!nd_desc || !test_bit(cmd, &nd_desc->cmd_mask))
return -ENOTTY;
@ -1430,7 +1528,9 @@ static void nfit_test0_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_CALL, &acpi_desc->bus_cmd_force_en);
set_bit(ND_CMD_SMART_THRESHOLD, &acpi_desc->dimm_cmd_force_en);
set_bit(NFIT_CMD_TRANSLATE_SPA, &acpi_desc->bus_nfit_cmd_force_en);
}
static void nfit_test1_setup(struct nfit_test *t)
@ -1613,10 +1713,12 @@ static int nfit_ctl_test(struct device *dev)
.cmd_mask = 1UL << ND_CMD_ARS_CAP
| 1UL << ND_CMD_ARS_START
| 1UL << ND_CMD_ARS_STATUS
| 1UL << ND_CMD_CLEAR_ERROR,
| 1UL << ND_CMD_CLEAR_ERROR
| 1UL << ND_CMD_CALL,
.module = THIS_MODULE,
.provider_name = "ACPI.NFIT",
.ndctl = acpi_nfit_ctl,
.bus_dsm_mask = 1UL << NFIT_CMD_TRANSLATE_SPA,
},
.dev = &adev->dev,
};