1:03 p.m.
Add a command allocator and accessor APIs for the 'GET_LSA' mailbox
command.
Signed-off-by: Vishal Verma <vishal.l.verma(a)intel.com>
---
cxl/lib/private.h | 5 +++++
cxl/lib/libcxl.c | 31 +++++++++++++++++++++++++++++++
cxl/libcxl.h | 3 +++
cxl/lib/libcxl.sym | 2 ++
4 files changed, 41 insertions(+)
diff --git a/cxl/lib/private.h b/cxl/lib/private.h
index 2232f4c..fb1dd8e 100644
--- a/cxl/lib/private.h
+++ b/cxl/lib/private.h
@@ -73,6 +73,11 @@ struct cxl_cmd_identify {
u8 qos_telemetry_caps;
} __attribute__((packed));
+struct cxl_cmd_get_lsa_in {
+ le32 offset;
+ le32 length;
+} __attribute__((packed));
+
struct cxl_cmd_get_health_info {
u8 health_status;
u8 media_status;
diff --git a/cxl/lib/libcxl.c b/cxl/lib/libcxl.c
index d595d36..2edb79e 100644
--- a/cxl/lib/libcxl.c
+++ b/cxl/lib/libcxl.c
@@ -804,6 +804,37 @@ CXL_EXPORT struct cxl_cmd *cxl_cmd_new_raw(struct cxl_memdev
*memdev,
return cmd;
}
+CXL_EXPORT struct cxl_cmd *cxl_cmd_new_get_lsa(struct cxl_memdev *memdev,
+ unsigned int offset, unsigned int length)
+{
+ struct cxl_cmd_get_lsa_in *get_lsa;
+ struct cxl_cmd *cmd;
+
+ cmd = cxl_cmd_new_generic(memdev, CXL_MEM_COMMAND_ID_GET_LSA);
+ if (!cmd)
+ return NULL;
+
+ get_lsa = (void *)cmd->send_cmd->in.payload;
+ get_lsa->offset = cpu_to_le32(offset);
+ get_lsa->length = cpu_to_le32(length);
+ return cmd;
+}
+
+#define cmd_get_void(cmd, N) \
+do { \
+ void *p = (void *)cmd->send_cmd->out.payload; \
+ if (cmd->send_cmd->id != CXL_MEM_COMMAND_ID_##N) \
+ return NULL; \
+ if (cmd->status < 0) \
+ return NULL; \
+ return p; \
+} while(0);
+
+CXL_EXPORT void *cxl_cmd_get_lsa_get_payload(struct cxl_cmd *cmd)
+{
+ cmd_get_void(cmd, GET_LSA);
+}
+
CXL_EXPORT int cxl_cmd_submit(struct cxl_cmd *cmd)
{
struct cxl_memdev *memdev = cmd->memdev;
diff --git a/cxl/libcxl.h b/cxl/libcxl.h
index 56ae4af..6edbd8d 100644
--- a/cxl/libcxl.h
+++ b/cxl/libcxl.h
@@ -71,6 +71,9 @@ int cxl_cmd_get_health_info_get_temperature(struct cxl_cmd *cmd);
int cxl_cmd_get_health_info_get_dirty_shutdowns(struct cxl_cmd *cmd);
int cxl_cmd_get_health_info_get_volatile_errors(struct cxl_cmd *cmd);
int cxl_cmd_get_health_info_get_pmem_errors(struct cxl_cmd *cmd);
+struct cxl_cmd *cxl_cmd_new_get_lsa(struct cxl_memdev *memdev,
+ unsigned int offset, unsigned int length);
+void *cxl_cmd_get_lsa_get_payload(struct cxl_cmd *cmd);
#ifdef __cplusplus
} /* extern "C" */
diff --git a/cxl/lib/libcxl.sym b/cxl/lib/libcxl.sym
index e00443d..2c6193b 100644
--- a/cxl/lib/libcxl.sym
+++ b/cxl/lib/libcxl.sym
@@ -52,4 +52,6 @@ global:
cxl_cmd_get_health_info_get_dirty_shutdowns;
cxl_cmd_get_health_info_get_volatile_errors;
cxl_cmd_get_health_info_get_pmem_errors;
+ cxl_cmd_new_get_lsa;
+ cxl_cmd_get_lsa_get_payload;
} LIBCXL_2;
--
2.29.2