diff options
| author | Santosh Sivaraj <santosh@fossix.org> | 2020-12-22 05:22:39 +0100 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2021-01-28 09:22:49 +0100 |
| commit | 14ccef10e53e4c303570d2ee2d49e45be1118e99 (patch) | |
| tree | 4ee9ff438a5fe720db09786bd886e55a353f5947 /tools/testing | |
| parent | ndtest: Add regions and mappings to the test buses (diff) | |
| download | linux-14ccef10e53e4c303570d2ee2d49e45be1118e99.tar.xz linux-14ccef10e53e4c303570d2ee2d49e45be1118e99.zip | |
ndtest: Add nvdimm control functions
Add functions to support ND_CMD_GET_CONFIG_SIZE, ND_CMD_SET_CONFIG_DATA and
ND_CMD_GET_CONFIG_DATA.
Signed-off-by: Santosh Sivaraj <santosh@fossix.org>
Link: https://lore.kernel.org/r/20201222042240.2983755-7-santosh@fossix.org
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'tools/testing')
| -rw-r--r-- | tools/testing/nvdimm/test/ndtest.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/tools/testing/nvdimm/test/ndtest.c b/tools/testing/nvdimm/test/ndtest.c index 821296b59bdc..dc1e3636616a 100644 --- a/tools/testing/nvdimm/test/ndtest.c +++ b/tools/testing/nvdimm/test/ndtest.c @@ -254,6 +254,45 @@ static inline struct ndtest_priv *to_ndtest_priv(struct device *dev) return container_of(pdev, struct ndtest_priv, pdev); } +static int ndtest_config_get(struct ndtest_dimm *p, unsigned int buf_len, + struct nd_cmd_get_config_data_hdr *hdr) +{ + unsigned int len; + + if ((hdr->in_offset + hdr->in_length) > LABEL_SIZE) + return -EINVAL; + + hdr->status = 0; + len = min(hdr->in_length, LABEL_SIZE - hdr->in_offset); + memcpy(hdr->out_buf, p->label_area + hdr->in_offset, len); + + return buf_len - len; +} + +static int ndtest_config_set(struct ndtest_dimm *p, unsigned int buf_len, + struct nd_cmd_set_config_hdr *hdr) +{ + unsigned int len; + + if ((hdr->in_offset + hdr->in_length) > LABEL_SIZE) + return -EINVAL; + + len = min(hdr->in_length, LABEL_SIZE - hdr->in_offset); + memcpy(p->label_area + hdr->in_offset, hdr->in_buf, len); + + return buf_len - len; +} + +static int ndtest_get_config_size(struct ndtest_dimm *dimm, unsigned int buf_len, + struct nd_cmd_get_config_size *size) +{ + size->status = 0; + size->max_xfer = 8; + size->config_size = dimm->config_size; + + return 0; +} + static int ndtest_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, unsigned int cmd, void *buf, unsigned int buf_len, int *cmd_rc) @@ -275,12 +314,24 @@ static int ndtest_ctl(struct nvdimm_bus_descriptor *nd_desc, switch (cmd) { case ND_CMD_GET_CONFIG_SIZE: + *cmd_rc = ndtest_get_config_size(dimm, buf_len, buf); + break; case ND_CMD_GET_CONFIG_DATA: + *cmd_rc = ndtest_config_get(dimm, buf_len, buf); + break; case ND_CMD_SET_CONFIG_DATA: + *cmd_rc = ndtest_config_set(dimm, buf_len, buf); + break; default: return -EINVAL; } + /* Failures for a DIMM can be injected using fail_cmd and + * fail_cmd_code, see the device attributes below + */ + if ((1 << cmd) & dimm->fail_cmd) + return dimm->fail_cmd_code ? dimm->fail_cmd_code : -EIO; + return 0; } |