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-rw-r--r--include/acpi/acpi_bus.h6
-rw-r--r--include/linux/fs.h8
-rw-r--r--include/linux/libnvdimm.h7
-rw-r--r--include/linux/nd.h11
-rw-r--r--include/uapi/linux/fs.h1
-rw-r--r--include/uapi/linux/ndctl.h80
6 files changed, 96 insertions, 17 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 4d40e9b5d938..788c6c35291a 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -61,12 +61,12 @@ bool acpi_ata_match(acpi_handle handle);
bool acpi_bay_match(acpi_handle handle);
bool acpi_dock_match(acpi_handle handle);
-bool acpi_check_dsm(acpi_handle handle, const u8 *uuid, int rev, u64 funcs);
+bool acpi_check_dsm(acpi_handle handle, const u8 *uuid, u64 rev, u64 funcs);
union acpi_object *acpi_evaluate_dsm(acpi_handle handle, const u8 *uuid,
- int rev, int func, union acpi_object *argv4);
+ u64 rev, u64 func, union acpi_object *argv4);
static inline union acpi_object *
-acpi_evaluate_dsm_typed(acpi_handle handle, const u8 *uuid, int rev, int func,
+acpi_evaluate_dsm_typed(acpi_handle handle, const u8 *uuid, u64 rev, u64 func,
union acpi_object *argv4, acpi_object_type type)
{
union acpi_object *obj;
diff --git a/include/linux/fs.h b/include/linux/fs.h
index b8b3c72c2aae..5f61431d8673 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2352,14 +2352,6 @@ extern struct super_block *freeze_bdev(struct block_device *);
extern void emergency_thaw_all(void);
extern int thaw_bdev(struct block_device *bdev, struct super_block *sb);
extern int fsync_bdev(struct block_device *);
-#ifdef CONFIG_FS_DAX
-extern bool blkdev_dax_capable(struct block_device *bdev);
-#else
-static inline bool blkdev_dax_capable(struct block_device *bdev)
-{
- return false;
-}
-#endif
extern struct super_block *blockdev_superblock;
diff --git a/include/linux/libnvdimm.h b/include/linux/libnvdimm.h
index 833867b9ddc2..0c3c30cbbea5 100644
--- a/include/linux/libnvdimm.h
+++ b/include/linux/libnvdimm.h
@@ -27,7 +27,7 @@ enum {
/* need to set a limit somewhere, but yes, this is likely overkill */
ND_IOCTL_MAX_BUFLEN = SZ_4M,
ND_CMD_MAX_ELEM = 5,
- ND_CMD_MAX_ENVELOPE = 16,
+ ND_CMD_MAX_ENVELOPE = 256,
ND_MAX_MAPPINGS = 32,
/* region flag indicating to direct-map persistent memory by default */
@@ -68,7 +68,7 @@ struct nd_mapping {
struct nvdimm_bus_descriptor {
const struct attribute_group **attr_groups;
- unsigned long dsm_mask;
+ unsigned long cmd_mask;
char *provider_name;
ndctl_fn ndctl;
int (*flush_probe)(struct nvdimm_bus_descriptor *nd_desc);
@@ -130,10 +130,11 @@ struct nd_region *to_nd_region(struct device *dev);
struct nd_blk_region *to_nd_blk_region(struct device *dev);
struct nvdimm_bus_descriptor *to_nd_desc(struct nvdimm_bus *nvdimm_bus);
const char *nvdimm_name(struct nvdimm *nvdimm);
+unsigned long nvdimm_cmd_mask(struct nvdimm *nvdimm);
void *nvdimm_provider_data(struct nvdimm *nvdimm);
struct nvdimm *nvdimm_create(struct nvdimm_bus *nvdimm_bus, void *provider_data,
const struct attribute_group **groups, unsigned long flags,
- unsigned long *dsm_mask);
+ unsigned long cmd_mask);
const struct nd_cmd_desc *nd_cmd_dimm_desc(int cmd);
const struct nd_cmd_desc *nd_cmd_bus_desc(int cmd);
u32 nd_cmd_in_size(struct nvdimm *nvdimm, int cmd,
diff --git a/include/linux/nd.h b/include/linux/nd.h
index 5489ab756d1a..aee2761d294c 100644
--- a/include/linux/nd.h
+++ b/include/linux/nd.h
@@ -15,6 +15,7 @@
#include <linux/fs.h>
#include <linux/ndctl.h>
#include <linux/device.h>
+#include <linux/badblocks.h>
enum nvdimm_event {
NVDIMM_REVALIDATE_POISON,
@@ -55,13 +56,19 @@ static inline struct nd_namespace_common *to_ndns(struct device *dev)
}
/**
- * struct nd_namespace_io - infrastructure for loading an nd_pmem instance
+ * struct nd_namespace_io - device representation of a persistent memory range
* @dev: namespace device created by the nd region driver
* @res: struct resource conversion of a NFIT SPA table
+ * @size: cached resource_size(@res) for fast path size checks
+ * @addr: virtual address to access the namespace range
+ * @bb: badblocks list for the namespace range
*/
struct nd_namespace_io {
struct nd_namespace_common common;
struct resource res;
+ resource_size_t size;
+ void __pmem *addr;
+ struct badblocks bb;
};
/**
@@ -82,6 +89,7 @@ struct nd_namespace_pmem {
* @uuid: namespace name supplied in the dimm label
* @id: ida allocated id
* @lbasize: blk namespaces have a native sector size when btt not present
+ * @size: sum of all the resource ranges allocated to this namespace
* @num_resources: number of dpa extents to claim
* @res: discontiguous dpa extents for given dimm
*/
@@ -91,6 +99,7 @@ struct nd_namespace_blk {
u8 *uuid;
int id;
unsigned long lbasize;
+ resource_size_t size;
int num_resources;
struct resource **res;
};
diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h
index e21fe04acc12..3b00f7c8943f 100644
--- a/include/uapi/linux/fs.h
+++ b/include/uapi/linux/fs.h
@@ -222,7 +222,6 @@ struct fsxattr {
#define BLKSECDISCARD _IO(0x12,125)
#define BLKROTATIONAL _IO(0x12,126)
#define BLKZEROOUT _IO(0x12,127)
-#define BLKDAXGET _IO(0x12,129)
#define BMAP_IOCTL 1 /* obsolete - kept for compatibility */
#define FIBMAP _IO(0x00,1) /* bmap access */
diff --git a/include/uapi/linux/ndctl.h b/include/uapi/linux/ndctl.h
index 7cc28ab05b87..309915f74492 100644
--- a/include/uapi/linux/ndctl.h
+++ b/include/uapi/linux/ndctl.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2014-2015, Intel Corporation.
+ * Copyright (c) 2014-2016, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU Lesser General Public License,
@@ -20,11 +20,45 @@ struct nd_cmd_smart {
__u8 data[128];
} __packed;
+#define ND_SMART_HEALTH_VALID (1 << 0)
+#define ND_SMART_TEMP_VALID (1 << 1)
+#define ND_SMART_SPARES_VALID (1 << 2)
+#define ND_SMART_ALARM_VALID (1 << 3)
+#define ND_SMART_USED_VALID (1 << 4)
+#define ND_SMART_SHUTDOWN_VALID (1 << 5)
+#define ND_SMART_VENDOR_VALID (1 << 6)
+#define ND_SMART_TEMP_TRIP (1 << 0)
+#define ND_SMART_SPARE_TRIP (1 << 1)
+#define ND_SMART_NON_CRITICAL_HEALTH (1 << 0)
+#define ND_SMART_CRITICAL_HEALTH (1 << 1)
+#define ND_SMART_FATAL_HEALTH (1 << 2)
+
+struct nd_smart_payload {
+ __u32 flags;
+ __u8 reserved0[4];
+ __u8 health;
+ __u16 temperature;
+ __u8 spares;
+ __u8 alarm_flags;
+ __u8 life_used;
+ __u8 shutdown_state;
+ __u8 reserved1;
+ __u32 vendor_size;
+ __u8 vendor_data[108];
+} __packed;
+
struct nd_cmd_smart_threshold {
__u32 status;
__u8 data[8];
} __packed;
+struct nd_smart_threshold_payload {
+ __u16 alarm_control;
+ __u16 temperature;
+ __u8 spares;
+ __u8 reserved[3];
+} __packed;
+
struct nd_cmd_dimm_flags {
__u32 status;
__u32 flags;
@@ -125,6 +159,7 @@ enum {
ND_CMD_VENDOR_EFFECT_LOG_SIZE = 7,
ND_CMD_VENDOR_EFFECT_LOG = 8,
ND_CMD_VENDOR = 9,
+ ND_CMD_CALL = 10,
};
enum {
@@ -158,6 +193,7 @@ static inline const char *nvdimm_cmd_name(unsigned cmd)
[ND_CMD_VENDOR_EFFECT_LOG_SIZE] = "effect_size",
[ND_CMD_VENDOR_EFFECT_LOG] = "effect_log",
[ND_CMD_VENDOR] = "vendor",
+ [ND_CMD_CALL] = "cmd_call",
};
if (cmd < ARRAY_SIZE(names) && names[cmd])
@@ -206,6 +242,7 @@ static inline const char *nvdimm_cmd_name(unsigned cmd)
#define ND_DEVICE_NAMESPACE_IO 4 /* legacy persistent memory */
#define ND_DEVICE_NAMESPACE_PMEM 5 /* PMEM namespace (may alias with BLK) */
#define ND_DEVICE_NAMESPACE_BLK 6 /* BLK namespace (may alias with PMEM) */
+#define ND_DEVICE_DAX_PMEM 7 /* Device DAX interface to pmem */
enum nd_driver_flags {
ND_DRIVER_DIMM = 1 << ND_DEVICE_DIMM,
@@ -214,6 +251,7 @@ enum nd_driver_flags {
ND_DRIVER_NAMESPACE_IO = 1 << ND_DEVICE_NAMESPACE_IO,
ND_DRIVER_NAMESPACE_PMEM = 1 << ND_DEVICE_NAMESPACE_PMEM,
ND_DRIVER_NAMESPACE_BLK = 1 << ND_DEVICE_NAMESPACE_BLK,
+ ND_DRIVER_DAX_PMEM = 1 << ND_DEVICE_DAX_PMEM,
};
enum {
@@ -224,4 +262,44 @@ enum ars_masks {
ARS_STATUS_MASK = 0x0000FFFF,
ARS_EXT_STATUS_SHIFT = 16,
};
+
+/*
+ * struct nd_cmd_pkg
+ *
+ * is a wrapper to a quasi pass thru interface for invoking firmware
+ * associated with nvdimms.
+ *
+ * INPUT PARAMETERS
+ *
+ * nd_family corresponds to the firmware (e.g. DSM) interface.
+ *
+ * nd_command are the function index advertised by the firmware.
+ *
+ * nd_size_in is the size of the input parameters being passed to firmware
+ *
+ * OUTPUT PARAMETERS
+ *
+ * nd_fw_size is the size of the data firmware wants to return for
+ * the call. If nd_fw_size is greater than size of nd_size_out, only
+ * the first nd_size_out bytes are returned.
+ */
+
+struct nd_cmd_pkg {
+ __u64 nd_family; /* family of commands */
+ __u64 nd_command;
+ __u32 nd_size_in; /* INPUT: size of input args */
+ __u32 nd_size_out; /* INPUT: size of payload */
+ __u32 nd_reserved2[9]; /* reserved must be zero */
+ __u32 nd_fw_size; /* OUTPUT: size fw wants to return */
+ unsigned char nd_payload[]; /* Contents of call */
+};
+
+/* These NVDIMM families represent pre-standardization command sets */
+#define NVDIMM_FAMILY_INTEL 0
+#define NVDIMM_FAMILY_HPE1 1
+#define NVDIMM_FAMILY_HPE2 2
+
+#define ND_IOCTL_CALL _IOWR(ND_IOCTL, ND_CMD_CALL,\
+ struct nd_cmd_pkg)
+
#endif /* __NDCTL_H__ */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-19 15:52:53 +0100