Messages in this thread Patch in this message | | | From | alison.schofield@intel ... | Subject | [PATCH v3 6/6] tools/testing/cxl: Mock the Get Poison List mbox command | Date | Thu, 10 Nov 2022 19:12:44 -0800 |
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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> --- 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; } -- 2.37.3
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