summaryrefslogtreecommitdiff
path: root/drivers/cxl
diff options
context:
space:
mode:
authorDan Williams <dan.j.williams@intel.com>2021-09-08 22:13:15 -0700
committerDan Williams <dan.j.williams@intel.com>2021-09-21 14:09:34 -0700
commit49be6dd807511db31809000a7b9d430b18d5e780 (patch)
treec975b70b8adb04e7955d701dbd8823510332c1e6 /drivers/cxl
parenta5c25802168993c67a03a6e04142761dfb4a3bf5 (diff)
cxl/mbox: Move command definitions to common location
In preparation for cxl_test to mock responses to mailbox command requests, move some definitions from core/mbox.c to cxlmem.h. No functional changes intended. Acked-by: Ben Widawsky <ben.widawsky@intel.com> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Link: https://lore.kernel.org/r/163116439547.2460985.10457111177103589574.stgit@dwillia2-desk3.amr.corp.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/cxl')
-rw-r--r--drivers/cxl/core/mbox.c45
-rw-r--r--drivers/cxl/cxlmem.h57
-rw-r--r--drivers/cxl/pmem.c11
3 files changed, 65 insertions, 48 deletions
diff --git a/drivers/cxl/core/mbox.c b/drivers/cxl/core/mbox.c
index 82e79da195fa..576796a5d9f3 100644
--- a/drivers/cxl/core/mbox.c
+++ b/drivers/cxl/core/mbox.c
@@ -485,11 +485,7 @@ static int cxl_xfer_log(struct cxl_mem *cxlm, uuid_t *uuid, u32 size, u8 *out)
while (remaining) {
u32 xfer_size = min_t(u32, remaining, cxlm->payload_size);
- struct cxl_mbox_get_log {
- uuid_t uuid;
- __le32 offset;
- __le32 length;
- } __packed log = {
+ struct cxl_mbox_get_log log = {
.uuid = *uuid,
.offset = cpu_to_le32(offset),
.length = cpu_to_le32(xfer_size)
@@ -520,14 +516,11 @@ static int cxl_xfer_log(struct cxl_mem *cxlm, uuid_t *uuid, u32 size, u8 *out)
*/
static void cxl_walk_cel(struct cxl_mem *cxlm, size_t size, u8 *cel)
{
- struct cel_entry {
- __le16 opcode;
- __le16 effect;
- } __packed * cel_entry;
+ struct cxl_cel_entry *cel_entry;
const int cel_entries = size / sizeof(*cel_entry);
int i;
- cel_entry = (struct cel_entry *)cel;
+ cel_entry = (struct cxl_cel_entry *) cel;
for (i = 0; i < cel_entries; i++) {
u16 opcode = le16_to_cpu(cel_entry[i].opcode);
@@ -543,15 +536,6 @@ static void cxl_walk_cel(struct cxl_mem *cxlm, size_t size, u8 *cel)
}
}
-struct cxl_mbox_get_supported_logs {
- __le16 entries;
- u8 rsvd[6];
- struct gsl_entry {
- uuid_t uuid;
- __le32 size;
- } __packed entry[];
-} __packed;
-
static struct cxl_mbox_get_supported_logs *cxl_get_gsl(struct cxl_mem *cxlm)
{
struct cxl_mbox_get_supported_logs *ret;
@@ -578,10 +562,8 @@ enum {
/* See CXL 2.0 Table 170. Get Log Input Payload */
static const uuid_t log_uuid[] = {
- [CEL_UUID] = UUID_INIT(0xda9c0b5, 0xbf41, 0x4b78, 0x8f, 0x79, 0x96,
- 0xb1, 0x62, 0x3b, 0x3f, 0x17),
- [VENDOR_DEBUG_UUID] = UUID_INIT(0xe1819d9, 0x11a9, 0x400c, 0x81, 0x1f,
- 0xd6, 0x07, 0x19, 0x40, 0x3d, 0x86),
+ [CEL_UUID] = DEFINE_CXL_CEL_UUID,
+ [VENDOR_DEBUG_UUID] = DEFINE_CXL_VENDOR_DEBUG_UUID,
};
/**
@@ -698,22 +680,7 @@ static int cxl_mem_get_partition_info(struct cxl_mem *cxlm)
int cxl_mem_identify(struct cxl_mem *cxlm)
{
/* See CXL 2.0 Table 175 Identify Memory Device Output Payload */
- struct cxl_mbox_identify {
- char fw_revision[0x10];
- __le64 total_capacity;
- __le64 volatile_capacity;
- __le64 persistent_capacity;
- __le64 partition_align;
- __le16 info_event_log_size;
- __le16 warning_event_log_size;
- __le16 failure_event_log_size;
- __le16 fatal_event_log_size;
- __le32 lsa_size;
- u8 poison_list_max_mer[3];
- __le16 inject_poison_limit;
- u8 poison_caps;
- u8 qos_telemetry_caps;
- } __packed id;
+ struct cxl_mbox_identify id;
int rc;
rc = cxl_mem_mbox_send_cmd(cxlm, CXL_MBOX_OP_IDENTIFY, NULL, 0, &id,
diff --git a/drivers/cxl/cxlmem.h b/drivers/cxl/cxlmem.h
index 373add570ef6..c4f450ad434d 100644
--- a/drivers/cxl/cxlmem.h
+++ b/drivers/cxl/cxlmem.h
@@ -171,6 +171,63 @@ enum cxl_opcode {
CXL_MBOX_OP_MAX = 0x10000
};
+#define DEFINE_CXL_CEL_UUID \
+ UUID_INIT(0xda9c0b5, 0xbf41, 0x4b78, 0x8f, 0x79, 0x96, 0xb1, 0x62, \
+ 0x3b, 0x3f, 0x17)
+
+#define DEFINE_CXL_VENDOR_DEBUG_UUID \
+ UUID_INIT(0xe1819d9, 0x11a9, 0x400c, 0x81, 0x1f, 0xd6, 0x07, 0x19, \
+ 0x40, 0x3d, 0x86)
+
+struct cxl_mbox_get_supported_logs {
+ __le16 entries;
+ u8 rsvd[6];
+ struct cxl_gsl_entry {
+ uuid_t uuid;
+ __le32 size;
+ } __packed entry[];
+} __packed;
+
+struct cxl_cel_entry {
+ __le16 opcode;
+ __le16 effect;
+} __packed;
+
+struct cxl_mbox_get_log {
+ uuid_t uuid;
+ __le32 offset;
+ __le32 length;
+} __packed;
+
+/* See CXL 2.0 Table 175 Identify Memory Device Output Payload */
+struct cxl_mbox_identify {
+ char fw_revision[0x10];
+ __le64 total_capacity;
+ __le64 volatile_capacity;
+ __le64 persistent_capacity;
+ __le64 partition_align;
+ __le16 info_event_log_size;
+ __le16 warning_event_log_size;
+ __le16 failure_event_log_size;
+ __le16 fatal_event_log_size;
+ __le32 lsa_size;
+ u8 poison_list_max_mer[3];
+ __le16 inject_poison_limit;
+ u8 poison_caps;
+ u8 qos_telemetry_caps;
+} __packed;
+
+struct cxl_mbox_get_lsa {
+ u32 offset;
+ u32 length;
+} __packed;
+
+struct cxl_mbox_set_lsa {
+ u32 offset;
+ u32 reserved;
+ u8 data[];
+} __packed;
+
/**
* struct cxl_mem_command - Driver representation of a memory device command
* @info: Command information as it exists for the UAPI
diff --git a/drivers/cxl/pmem.c b/drivers/cxl/pmem.c
index 5ccf9aa6b3ae..d7b5548551e9 100644
--- a/drivers/cxl/pmem.c
+++ b/drivers/cxl/pmem.c
@@ -99,10 +99,7 @@ static int cxl_pmem_get_config_data(struct cxl_mem *cxlm,
struct nd_cmd_get_config_data_hdr *cmd,
unsigned int buf_len)
{
- struct cxl_mbox_get_lsa {
- u32 offset;
- u32 length;
- } get_lsa;
+ struct cxl_mbox_get_lsa get_lsa;
int rc;
if (sizeof(*cmd) > buf_len)
@@ -127,11 +124,7 @@ static int cxl_pmem_set_config_data(struct cxl_mem *cxlm,
struct nd_cmd_set_config_hdr *cmd,
unsigned int buf_len)
{
- struct cxl_mbox_set_lsa {
- u32 offset;
- u32 reserved;
- u8 data[];
- } *set_lsa;
+ struct cxl_mbox_set_lsa *set_lsa;
int rc;
if (sizeof(*cmd) > buf_len)