| Message ID | 20230405-vv-fw_update-v1-2-722a7a5baea3@intel.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | cxl: firmware update support for libcxl and cxl-cli | expand |
On 4/21/23 8:10 PM, Vishal Verma wrote: > Add libcxl APIs to send a 'Get Firmware Info' mailbox command, and > accessors for its data fields. Add a json representation of this data, > and add an option to cxl-list to display it under memdev listings. > > Cc: Dan Williams <dan.j.williams@intel.com> > Signed-off-by: Vishal Verma <vishal.l.verma@intel.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Just a small nit below. > --- > cxl/lib/private.h | 21 +++++++++++++ > cxl/lib/libcxl.c | 90 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ > cxl/filter.h | 3 ++ > cxl/libcxl.h | 7 +++++ > cxl/json.c | 84 ++++++++++++++++++++++++++++++++++++++++++++++++++ > cxl/list.c | 3 ++ > cxl/lib/libcxl.sym | 6 ++++ > 7 files changed, 214 insertions(+) > > diff --git a/cxl/lib/private.h b/cxl/lib/private.h > index d648992..590d719 100644 > --- a/cxl/lib/private.h > +++ b/cxl/lib/private.h > @@ -9,6 +9,7 @@ > #include <ccan/endian/endian.h> > #include <ccan/short_types/short_types.h> > #include <util/size.h> > +#include <util/bitmap.h> > > #define CXL_EXPORT __attribute__ ((visibility("default"))) > > @@ -233,6 +234,26 @@ struct cxl_cmd_get_health_info { > le32 pmem_errors; > } __attribute__((packed)); > > +/* CXL 3.0 8.2.9.3.1 Get Firmware Info */ > +struct cxl_cmd_get_fw_info { > + u8 num_slots; > + u8 slot_info; > + u8 activation_cap; > + u8 reserved[13]; > + char slot_1_revision[0x10]; > + char slot_2_revision[0x10]; > + char slot_3_revision[0x10]; > + char slot_4_revision[0x10]; > +} __attribute__((packed)); > + > +#define CXL_FW_INFO_CUR_SLOT_MASK GENMASK(2, 0) > +#define CXL_FW_INFO_NEXT_SLOT_MASK GENMASK(5, 3) > +#define CXL_FW_INFO_NEXT_SLOT_SHIFT (3) > +#define CXL_FW_INFO_HAS_LIVE_ACTIVATE BIT(0) > + > +#define CXL_FW_VERSION_STR_LEN 16 > +#define CXL_FW_MAX_SLOTS 4 > + > /* CXL 3.0 8.2.9.8.3.2 Get Alert Configuration */ > struct cxl_cmd_get_alert_config { > u8 valid_alerts; > diff --git a/cxl/lib/libcxl.c b/cxl/lib/libcxl.c > index 59e5bdb..75490fd 100644 > --- a/cxl/lib/libcxl.c > +++ b/cxl/lib/libcxl.c > @@ -3917,6 +3917,96 @@ CXL_EXPORT struct cxl_cmd *cxl_cmd_new_set_partition(struct cxl_memdev *memdev, > return cmd; > } > > +CXL_EXPORT struct cxl_cmd *cxl_cmd_new_get_fw_info(struct cxl_memdev *memdev) > +{ > + return cxl_cmd_new_generic(memdev, CXL_MEM_COMMAND_ID_GET_FW_INFO); > +} > + > +static struct cxl_cmd_get_fw_info *cmd_to_get_fw_info(struct cxl_cmd *cmd) > +{ > + if (cxl_cmd_validate_status(cmd, CXL_MEM_COMMAND_ID_GET_FW_INFO)) > + return NULL; > + > + return cmd->output_payload; > +} > + > +CXL_EXPORT unsigned int cxl_cmd_fw_info_get_num_slots(struct cxl_cmd *cmd) > +{ > + struct cxl_cmd_get_fw_info *c = cmd_to_get_fw_info(cmd); > + > + if (!c) > + return 0; > + > + return c->num_slots; > +} > + > +CXL_EXPORT unsigned int cxl_cmd_fw_info_get_active_slot(struct cxl_cmd *cmd) > +{ > + struct cxl_cmd_get_fw_info *c = cmd_to_get_fw_info(cmd); > + > + if (!c) > + return 0; > + > + return c->slot_info & CXL_FW_INFO_CUR_SLOT_MASK; > +} > + > +CXL_EXPORT unsigned int cxl_cmd_fw_info_get_staged_slot(struct cxl_cmd *cmd) > +{ > + struct cxl_cmd_get_fw_info *c = cmd_to_get_fw_info(cmd); > + > + if (!c) > + return 0; > + > + return (c->slot_info & CXL_FW_INFO_NEXT_SLOT_MASK) >> > + CXL_FW_INFO_NEXT_SLOT_SHIFT; > +} > + > +CXL_EXPORT bool cxl_cmd_fw_info_get_online_activate_capable(struct cxl_cmd *cmd) > +{ > + struct cxl_cmd_get_fw_info *c = cmd_to_get_fw_info(cmd); > + > + if (!c) > + return false; > + > + return !!(c->activation_cap & CXL_FW_INFO_HAS_LIVE_ACTIVATE); > +} > + > +CXL_EXPORT int cxl_cmd_fw_info_get_fw_ver(struct cxl_cmd *cmd, int slot, > + char *buf, unsigned int len) > +{ > + struct cxl_cmd_get_fw_info *c = cmd_to_get_fw_info(cmd); > + char *fw_ver; > + > + if (!c) > + return -ENXIO; > + if (!len) > + return -EINVAL; > + > + switch(slot) { > + case 1: > + fw_ver = &c->slot_1_revision[0]; Just a nit. You can just do fw_ver = c->slot_1_revision; DJ > + break; > + case 2: > + fw_ver = &c->slot_2_revision[0]; > + break; > + case 3: > + fw_ver = &c->slot_3_revision[0]; > + break; > + case 4: > + fw_ver = &c->slot_4_revision[0]; > + break; > + default: > + return -EINVAL; > + } > + > + if (fw_ver[0] == 0) > + return -ENOENT; > + > + memcpy(buf, fw_ver, min(len, (unsigned int)CXL_FW_VERSION_STR_LEN)); > + > + return 0; > +} > + > CXL_EXPORT int cxl_cmd_submit(struct cxl_cmd *cmd) > { > struct cxl_memdev *memdev = cmd->memdev; > diff --git a/cxl/filter.h b/cxl/filter.h > index 595cde7..3f65990 100644 > --- a/cxl/filter.h > +++ b/cxl/filter.h > @@ -27,6 +27,7 @@ struct cxl_filter_params { > bool human; > bool health; > bool partition; > + bool fw; > bool alert_config; > bool dax; > int verbose; > @@ -81,6 +82,8 @@ static inline unsigned long cxl_filter_to_flags(struct cxl_filter_params *param) > flags |= UTIL_JSON_TARGETS; > if (param->partition) > flags |= UTIL_JSON_PARTITION; > + if (param->fw) > + flags |= UTIL_JSON_FIRMWARE; > if (param->alert_config) > flags |= UTIL_JSON_ALERT_CONFIG; > if (param->dax) > diff --git a/cxl/libcxl.h b/cxl/libcxl.h > index 54d9f10..99e1b76 100644 > --- a/cxl/libcxl.h > +++ b/cxl/libcxl.h > @@ -68,6 +68,13 @@ int cxl_memdev_read_label(struct cxl_memdev *memdev, void *buf, size_t length, > size_t offset); > int cxl_memdev_write_label(struct cxl_memdev *memdev, void *buf, size_t length, > size_t offset); > +struct cxl_cmd *cxl_cmd_new_get_fw_info(struct cxl_memdev *memdev); > +unsigned int cxl_cmd_fw_info_get_num_slots(struct cxl_cmd *cmd); > +unsigned int cxl_cmd_fw_info_get_active_slot(struct cxl_cmd *cmd); > +unsigned int cxl_cmd_fw_info_get_staged_slot(struct cxl_cmd *cmd); > +bool cxl_cmd_fw_info_get_online_activate_capable(struct cxl_cmd *cmd); > +int cxl_cmd_fw_info_get_fw_ver(struct cxl_cmd *cmd, int slot, char *buf, > + unsigned int len); > > #define cxl_memdev_foreach(ctx, memdev) \ > for (memdev = cxl_memdev_get_first(ctx); \ > diff --git a/cxl/json.c b/cxl/json.c > index e87bdd4..e6bb061 100644 > --- a/cxl/json.c > +++ b/cxl/json.c > @@ -12,6 +12,84 @@ > #include "json.h" > #include "../daxctl/json.h" > > +#define CXL_FW_VERSION_STR_LEN 16 > +#define CXL_FW_MAX_SLOTS 4 > + > +static struct json_object *util_cxl_memdev_fw_to_json( > + struct cxl_memdev *memdev, unsigned long flags) > +{ > + struct json_object *jobj; > + struct json_object *jfw; > + u32 field, num_slots; > + struct cxl_cmd *cmd; > + int rc, i; > + > + jfw = json_object_new_object(); > + if (!jfw) > + return NULL; > + if (!memdev) > + goto err_jobj; > + > + cmd = cxl_cmd_new_get_fw_info(memdev); > + if (!cmd) > + goto err_jobj; > + > + rc = cxl_cmd_submit(cmd); > + if (rc < 0) > + goto err_cmd; > + rc = cxl_cmd_get_mbox_status(cmd); > + if (rc != 0) > + goto err_cmd; > + > + /* fw_info fields */ > + num_slots = cxl_cmd_fw_info_get_num_slots(cmd); > + jobj = json_object_new_int(num_slots); > + if (jobj) > + json_object_object_add(jfw, "num_slots", jobj); > + > + field = cxl_cmd_fw_info_get_active_slot(cmd); > + jobj = json_object_new_int(field); > + if (jobj) > + json_object_object_add(jfw, "active_slot", jobj); > + > + field = cxl_cmd_fw_info_get_staged_slot(cmd); > + if (field > 0 && field <= num_slots) { > + jobj = json_object_new_int(field); > + if (jobj) > + json_object_object_add(jfw, "staged_slot", jobj); > + } > + > + rc = cxl_cmd_fw_info_get_online_activate_capable(cmd); > + jobj = json_object_new_boolean(rc); > + if (jobj) > + json_object_object_add(jfw, "online_activate_capable", jobj); > + > + for (i = 1; i <= CXL_FW_MAX_SLOTS; i++) { > + char fw_ver[CXL_FW_VERSION_STR_LEN + 1]; > + char jkey[16]; > + > + rc = cxl_cmd_fw_info_get_fw_ver(cmd, i, fw_ver, > + CXL_FW_VERSION_STR_LEN); > + if (rc) > + continue; > + fw_ver[CXL_FW_VERSION_STR_LEN] = 0; > + snprintf(jkey, 16, "slot_%d_version", i); > + jobj = json_object_new_string(fw_ver); > + if (jobj) > + json_object_object_add(jfw, jkey, jobj); > + } > + > + cxl_cmd_unref(cmd); > + return jfw; > + > +err_cmd: > + cxl_cmd_unref(cmd); > +err_jobj: > + json_object_put(jfw); > + return NULL; > + > +} > + > static struct json_object *util_cxl_memdev_health_to_json( > struct cxl_memdev *memdev, unsigned long flags) > { > @@ -552,6 +630,12 @@ struct json_object *util_cxl_memdev_to_json(struct cxl_memdev *memdev, > json_object_object_add(jdev, "partition_info", jobj); > } > > + if (flags & UTIL_JSON_FIRMWARE) { > + jobj = util_cxl_memdev_fw_to_json(memdev, flags); > + if (jobj) > + json_object_object_add(jdev, "firmware", jobj); > + } > + > json_object_set_userdata(jdev, memdev, NULL); > return jdev; > } > diff --git a/cxl/list.c b/cxl/list.c > index c01154e..93ba51e 100644 > --- a/cxl/list.c > +++ b/cxl/list.c > @@ -53,6 +53,8 @@ static const struct option options[] = { > "include memory device health information"), > OPT_BOOLEAN('I', "partition", ¶m.partition, > "include memory device partition information"), > + OPT_BOOLEAN('F', "firmware", ¶m.fw, > + "include memory device firmware information"), > OPT_BOOLEAN('A', "alert-config", ¶m.alert_config, > "include alert configuration information"), > OPT_INCR('v', "verbose", ¶m.verbose, "increase output detail"), > @@ -116,6 +118,7 @@ int cmd_list(int argc, const char **argv, struct cxl_ctx *ctx) > case 3: > param.health = true; > param.partition = true; > + param.fw = true; > param.alert_config = true; > param.dax = true; > /* fallthrough */ > diff --git a/cxl/lib/libcxl.sym b/cxl/lib/libcxl.sym > index 1c6177c..16a8671 100644 > --- a/cxl/lib/libcxl.sym > +++ b/cxl/lib/libcxl.sym > @@ -248,4 +248,10 @@ global: > cxl_region_get_mode; > cxl_decoder_create_ram_region; > cxl_region_get_daxctl_region; > + cxl_cmd_new_get_fw_info; > + cxl_cmd_fw_info_get_num_slots; > + cxl_cmd_fw_info_get_active_slot; > + cxl_cmd_fw_info_get_staged_slot; > + cxl_cmd_fw_info_get_online_activate_capable; > + cxl_cmd_fw_info_get_fw_ver; > } LIBCXL_4; >
diff --git a/cxl/lib/private.h b/cxl/lib/private.h index d648992..590d719 100644 --- a/cxl/lib/private.h +++ b/cxl/lib/private.h @@ -9,6 +9,7 @@ #include <ccan/endian/endian.h> #include <ccan/short_types/short_types.h> #include <util/size.h> +#include <util/bitmap.h> #define CXL_EXPORT __attribute__ ((visibility("default"))) @@ -233,6 +234,26 @@ struct cxl_cmd_get_health_info { le32 pmem_errors; } __attribute__((packed)); +/* CXL 3.0 8.2.9.3.1 Get Firmware Info */ +struct cxl_cmd_get_fw_info { + u8 num_slots; + u8 slot_info; + u8 activation_cap; + u8 reserved[13]; + char slot_1_revision[0x10]; + char slot_2_revision[0x10]; + char slot_3_revision[0x10]; + char slot_4_revision[0x10]; +} __attribute__((packed)); + +#define CXL_FW_INFO_CUR_SLOT_MASK GENMASK(2, 0) +#define CXL_FW_INFO_NEXT_SLOT_MASK GENMASK(5, 3) +#define CXL_FW_INFO_NEXT_SLOT_SHIFT (3) +#define CXL_FW_INFO_HAS_LIVE_ACTIVATE BIT(0) + +#define CXL_FW_VERSION_STR_LEN 16 +#define CXL_FW_MAX_SLOTS 4 + /* CXL 3.0 8.2.9.8.3.2 Get Alert Configuration */ struct cxl_cmd_get_alert_config { u8 valid_alerts; diff --git a/cxl/lib/libcxl.c b/cxl/lib/libcxl.c index 59e5bdb..75490fd 100644 --- a/cxl/lib/libcxl.c +++ b/cxl/lib/libcxl.c @@ -3917,6 +3917,96 @@ CXL_EXPORT struct cxl_cmd *cxl_cmd_new_set_partition(struct cxl_memdev *memdev, return cmd; } +CXL_EXPORT struct cxl_cmd *cxl_cmd_new_get_fw_info(struct cxl_memdev *memdev) +{ + return cxl_cmd_new_generic(memdev, CXL_MEM_COMMAND_ID_GET_FW_INFO); +} + +static struct cxl_cmd_get_fw_info *cmd_to_get_fw_info(struct cxl_cmd *cmd) +{ + if (cxl_cmd_validate_status(cmd, CXL_MEM_COMMAND_ID_GET_FW_INFO)) + return NULL; + + return cmd->output_payload; +} + +CXL_EXPORT unsigned int cxl_cmd_fw_info_get_num_slots(struct cxl_cmd *cmd) +{ + struct cxl_cmd_get_fw_info *c = cmd_to_get_fw_info(cmd); + + if (!c) + return 0; + + return c->num_slots; +} + +CXL_EXPORT unsigned int cxl_cmd_fw_info_get_active_slot(struct cxl_cmd *cmd) +{ + struct cxl_cmd_get_fw_info *c = cmd_to_get_fw_info(cmd); + + if (!c) + return 0; + + return c->slot_info & CXL_FW_INFO_CUR_SLOT_MASK; +} + +CXL_EXPORT unsigned int cxl_cmd_fw_info_get_staged_slot(struct cxl_cmd *cmd) +{ + struct cxl_cmd_get_fw_info *c = cmd_to_get_fw_info(cmd); + + if (!c) + return 0; + + return (c->slot_info & CXL_FW_INFO_NEXT_SLOT_MASK) >> + CXL_FW_INFO_NEXT_SLOT_SHIFT; +} + +CXL_EXPORT bool cxl_cmd_fw_info_get_online_activate_capable(struct cxl_cmd *cmd) +{ + struct cxl_cmd_get_fw_info *c = cmd_to_get_fw_info(cmd); + + if (!c) + return false; + + return !!(c->activation_cap & CXL_FW_INFO_HAS_LIVE_ACTIVATE); +} + +CXL_EXPORT int cxl_cmd_fw_info_get_fw_ver(struct cxl_cmd *cmd, int slot, + char *buf, unsigned int len) +{ + struct cxl_cmd_get_fw_info *c = cmd_to_get_fw_info(cmd); + char *fw_ver; + + if (!c) + return -ENXIO; + if (!len) + return -EINVAL; + + switch(slot) { + case 1: + fw_ver = &c->slot_1_revision[0]; + break; + case 2: + fw_ver = &c->slot_2_revision[0]; + break; + case 3: + fw_ver = &c->slot_3_revision[0]; + break; + case 4: + fw_ver = &c->slot_4_revision[0]; + break; + default: + return -EINVAL; + } + + if (fw_ver[0] == 0) + return -ENOENT; + + memcpy(buf, fw_ver, min(len, (unsigned int)CXL_FW_VERSION_STR_LEN)); + + return 0; +} + CXL_EXPORT int cxl_cmd_submit(struct cxl_cmd *cmd) { struct cxl_memdev *memdev = cmd->memdev; diff --git a/cxl/filter.h b/cxl/filter.h index 595cde7..3f65990 100644 --- a/cxl/filter.h +++ b/cxl/filter.h @@ -27,6 +27,7 @@ struct cxl_filter_params { bool human; bool health; bool partition; + bool fw; bool alert_config; bool dax; int verbose; @@ -81,6 +82,8 @@ static inline unsigned long cxl_filter_to_flags(struct cxl_filter_params *param) flags |= UTIL_JSON_TARGETS; if (param->partition) flags |= UTIL_JSON_PARTITION; + if (param->fw) + flags |= UTIL_JSON_FIRMWARE; if (param->alert_config) flags |= UTIL_JSON_ALERT_CONFIG; if (param->dax) diff --git a/cxl/libcxl.h b/cxl/libcxl.h index 54d9f10..99e1b76 100644 --- a/cxl/libcxl.h +++ b/cxl/libcxl.h @@ -68,6 +68,13 @@ int cxl_memdev_read_label(struct cxl_memdev *memdev, void *buf, size_t length, size_t offset); int cxl_memdev_write_label(struct cxl_memdev *memdev, void *buf, size_t length, size_t offset); +struct cxl_cmd *cxl_cmd_new_get_fw_info(struct cxl_memdev *memdev); +unsigned int cxl_cmd_fw_info_get_num_slots(struct cxl_cmd *cmd); +unsigned int cxl_cmd_fw_info_get_active_slot(struct cxl_cmd *cmd); +unsigned int cxl_cmd_fw_info_get_staged_slot(struct cxl_cmd *cmd); +bool cxl_cmd_fw_info_get_online_activate_capable(struct cxl_cmd *cmd); +int cxl_cmd_fw_info_get_fw_ver(struct cxl_cmd *cmd, int slot, char *buf, + unsigned int len); #define cxl_memdev_foreach(ctx, memdev) \ for (memdev = cxl_memdev_get_first(ctx); \ diff --git a/cxl/json.c b/cxl/json.c index e87bdd4..e6bb061 100644 --- a/cxl/json.c +++ b/cxl/json.c @@ -12,6 +12,84 @@ #include "json.h" #include "../daxctl/json.h" +#define CXL_FW_VERSION_STR_LEN 16 +#define CXL_FW_MAX_SLOTS 4 + +static struct json_object *util_cxl_memdev_fw_to_json( + struct cxl_memdev *memdev, unsigned long flags) +{ + struct json_object *jobj; + struct json_object *jfw; + u32 field, num_slots; + struct cxl_cmd *cmd; + int rc, i; + + jfw = json_object_new_object(); + if (!jfw) + return NULL; + if (!memdev) + goto err_jobj; + + cmd = cxl_cmd_new_get_fw_info(memdev); + if (!cmd) + goto err_jobj; + + rc = cxl_cmd_submit(cmd); + if (rc < 0) + goto err_cmd; + rc = cxl_cmd_get_mbox_status(cmd); + if (rc != 0) + goto err_cmd; + + /* fw_info fields */ + num_slots = cxl_cmd_fw_info_get_num_slots(cmd); + jobj = json_object_new_int(num_slots); + if (jobj) + json_object_object_add(jfw, "num_slots", jobj); + + field = cxl_cmd_fw_info_get_active_slot(cmd); + jobj = json_object_new_int(field); + if (jobj) + json_object_object_add(jfw, "active_slot", jobj); + + field = cxl_cmd_fw_info_get_staged_slot(cmd); + if (field > 0 && field <= num_slots) { + jobj = json_object_new_int(field); + if (jobj) + json_object_object_add(jfw, "staged_slot", jobj); + } + + rc = cxl_cmd_fw_info_get_online_activate_capable(cmd); + jobj = json_object_new_boolean(rc); + if (jobj) + json_object_object_add(jfw, "online_activate_capable", jobj); + + for (i = 1; i <= CXL_FW_MAX_SLOTS; i++) { + char fw_ver[CXL_FW_VERSION_STR_LEN + 1]; + char jkey[16]; + + rc = cxl_cmd_fw_info_get_fw_ver(cmd, i, fw_ver, + CXL_FW_VERSION_STR_LEN); + if (rc) + continue; + fw_ver[CXL_FW_VERSION_STR_LEN] = 0; + snprintf(jkey, 16, "slot_%d_version", i); + jobj = json_object_new_string(fw_ver); + if (jobj) + json_object_object_add(jfw, jkey, jobj); + } + + cxl_cmd_unref(cmd); + return jfw; + +err_cmd: + cxl_cmd_unref(cmd); +err_jobj: + json_object_put(jfw); + return NULL; + +} + static struct json_object *util_cxl_memdev_health_to_json( struct cxl_memdev *memdev, unsigned long flags) { @@ -552,6 +630,12 @@ struct json_object *util_cxl_memdev_to_json(struct cxl_memdev *memdev, json_object_object_add(jdev, "partition_info", jobj); } + if (flags & UTIL_JSON_FIRMWARE) { + jobj = util_cxl_memdev_fw_to_json(memdev, flags); + if (jobj) + json_object_object_add(jdev, "firmware", jobj); + } + json_object_set_userdata(jdev, memdev, NULL); return jdev; } diff --git a/cxl/list.c b/cxl/list.c index c01154e..93ba51e 100644 --- a/cxl/list.c +++ b/cxl/list.c @@ -53,6 +53,8 @@ static const struct option options[] = { "include memory device health information"), OPT_BOOLEAN('I', "partition", ¶m.partition, "include memory device partition information"), + OPT_BOOLEAN('F', "firmware", ¶m.fw, + "include memory device firmware information"), OPT_BOOLEAN('A', "alert-config", ¶m.alert_config, "include alert configuration information"), OPT_INCR('v', "verbose", ¶m.verbose, "increase output detail"), @@ -116,6 +118,7 @@ int cmd_list(int argc, const char **argv, struct cxl_ctx *ctx) case 3: param.health = true; param.partition = true; + param.fw = true; param.alert_config = true; param.dax = true; /* fallthrough */ diff --git a/cxl/lib/libcxl.sym b/cxl/lib/libcxl.sym index 1c6177c..16a8671 100644 --- a/cxl/lib/libcxl.sym +++ b/cxl/lib/libcxl.sym @@ -248,4 +248,10 @@ global: cxl_region_get_mode; cxl_decoder_create_ram_region; cxl_region_get_daxctl_region; + cxl_cmd_new_get_fw_info; + cxl_cmd_fw_info_get_num_slots; + cxl_cmd_fw_info_get_active_slot; + cxl_cmd_fw_info_get_staged_slot; + cxl_cmd_fw_info_get_online_activate_capable; + cxl_cmd_fw_info_get_fw_ver; } LIBCXL_4;
Add libcxl APIs to send a 'Get Firmware Info' mailbox command, and accessors for its data fields. Add a json representation of this data, and add an option to cxl-list to display it under memdev listings. Cc: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Vishal Verma <vishal.l.verma@intel.com> --- cxl/lib/private.h | 21 +++++++++++++ cxl/lib/libcxl.c | 90 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ cxl/filter.h | 3 ++ cxl/libcxl.h | 7 +++++ cxl/json.c | 84 ++++++++++++++++++++++++++++++++++++++++++++++++++ cxl/list.c | 3 ++ cxl/lib/libcxl.sym | 6 ++++ 7 files changed, 214 insertions(+)