| Message ID | 7accc4b25613bd04ded1c48fa317dcf08803575f.1668115235.git.alison.schofield@intel.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | CXL Poison List Retrieval & Tracing | expand |
On Thu, 10 Nov 2022 19:12:44 -0800 alison.schofield@intel.com wrote: > From: Alison Schofield <alison.schofield@intel.com> > > Return fake poison error records when the get poison list mbox > command is issued. This supports testing the kernel tracing > and cxl list capabilities for media errors. > > Signed-off-by: Alison Schofield <alison.schofield@intel.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> > --- > tools/testing/cxl/test/mem.c | 31 +++++++++++++++++++++++++++++++ > 1 file changed, 31 insertions(+) > > diff --git a/tools/testing/cxl/test/mem.c b/tools/testing/cxl/test/mem.c > index f0704d090073..f729e055605d 100644 > --- a/tools/testing/cxl/test/mem.c > +++ b/tools/testing/cxl/test/mem.c > @@ -38,6 +38,10 @@ static struct cxl_cel_entry mock_cel[] = { > .opcode = cpu_to_le16(CXL_MBOX_OP_GET_HEALTH_INFO), > .effect = cpu_to_le16(0), > }, > + { > + .opcode = cpu_to_le16(CXL_MBOX_OP_GET_POISON), > + .effect = cpu_to_le16(0), > + }, > }; > > /* See CXL 2.0 Table 181 Get Health Info Output Payload */ > @@ -207,6 +211,30 @@ static int mock_health_info(struct cxl_dev_state *cxlds, > return 0; > } > > +static int mock_get_poison(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd *cmd) > +{ > + struct { > + struct cxl_mbox_poison_payload_out poison_out; > + struct cxl_poison_record record; > + } mock_poison_list = { > + .poison_out = { > + .count = cpu_to_le16(1), > + }, > + .record = { > + /* .address encodes DPA and poison source bits */ > + .address = cpu_to_le64(CXL_POISON_SOURCE_INTERNAL), > + .length = cpu_to_le32(1), > + }, > + }; > + > + if (cmd->size_out < sizeof(mock_poison_list)) > + return -EINVAL; > + > + memcpy(cmd->payload_out, &mock_poison_list, sizeof(mock_poison_list)); > + cmd->size_out = sizeof(mock_poison_list); > + return 0; > +} > + > static int cxl_mock_mbox_send(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd *cmd) > { > struct device *dev = cxlds->dev; > @@ -234,6 +262,9 @@ static int cxl_mock_mbox_send(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd * > case CXL_MBOX_OP_GET_HEALTH_INFO: > rc = mock_health_info(cxlds, cmd); > break; > + case CXL_MBOX_OP_GET_POISON: > + rc = mock_get_poison(cxlds, cmd); > + break; > default: > break; > }
diff --git a/tools/testing/cxl/test/mem.c b/tools/testing/cxl/test/mem.c index f0704d090073..f729e055605d 100644 --- a/tools/testing/cxl/test/mem.c +++ b/tools/testing/cxl/test/mem.c @@ -38,6 +38,10 @@ static struct cxl_cel_entry mock_cel[] = { .opcode = cpu_to_le16(CXL_MBOX_OP_GET_HEALTH_INFO), .effect = cpu_to_le16(0), }, + { + .opcode = cpu_to_le16(CXL_MBOX_OP_GET_POISON), + .effect = cpu_to_le16(0), + }, }; /* See CXL 2.0 Table 181 Get Health Info Output Payload */ @@ -207,6 +211,30 @@ static int mock_health_info(struct cxl_dev_state *cxlds, return 0; } +static int mock_get_poison(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd *cmd) +{ + struct { + struct cxl_mbox_poison_payload_out poison_out; + struct cxl_poison_record record; + } mock_poison_list = { + .poison_out = { + .count = cpu_to_le16(1), + }, + .record = { + /* .address encodes DPA and poison source bits */ + .address = cpu_to_le64(CXL_POISON_SOURCE_INTERNAL), + .length = cpu_to_le32(1), + }, + }; + + if (cmd->size_out < sizeof(mock_poison_list)) + return -EINVAL; + + memcpy(cmd->payload_out, &mock_poison_list, sizeof(mock_poison_list)); + cmd->size_out = sizeof(mock_poison_list); + return 0; +} + static int cxl_mock_mbox_send(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd *cmd) { struct device *dev = cxlds->dev; @@ -234,6 +262,9 @@ static int cxl_mock_mbox_send(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd * case CXL_MBOX_OP_GET_HEALTH_INFO: rc = mock_health_info(cxlds, cmd); break; + case CXL_MBOX_OP_GET_POISON: + rc = mock_get_poison(cxlds, cmd); + break; default: break; }