feat(raid): add delta bitmap APIs

Longhorn 9766

Signed-off-by: Damiano Cipriani <[email protected]>

Author: DamiaSan

app/cmd/basic/bdev_raid.go

@@ -21,6 +21,9 @@ func BdevRaidCmd() cli.Command {
 			BdevRaidGetCmd(),
 			BdevRaidRemoveBaseBdevCmd(),
 			BdevRaidGrowBaseBdevCmd(),
+			BdevRaidGetBaseBdevDeltaMapCmd(),
+			BdevRaidStopBaseBdevDeltaMapCmd(),
+			BdevRaidClearBaseBdevFaultyStateCmd(),
 		},
 	}
 }
@@ -50,6 +53,21 @@ func BdevRaidCreateCmd() cli.Command {
 				Usage:    "Names of Nvme bdevs, the input is like \"--base-devs Nvme0n1 --base-devs Nvme1n1\"",
 				Required: true,
 			},
+			cli.StringFlag{
+				Name:     "UUID",
+				Usage:    "UUID for this raid bdev",
+				Required: false,
+			},
+			cli.BoolFlag{
+				Name:     "superblock",
+				Usage:    "Raid bdev info will be stored in superblock on each base bdev",
+				Required: false,
+			},
+			cli.BoolFlag{
+				Name:     "delta-bitmap",
+				Usage:    "A delta bitmap for faulty base bdevs will be recorded",
+				Required: false,
+			},
 		},
 		Action: func(c *cli.Context) {
 			if err := bdevRaidCreate(c); err != nil {
@@ -65,7 +83,8 @@ func bdevRaidCreate(c *cli.Context) error {
 		return err
 	}
 
-	created, err := spdkCli.BdevRaidCreate(c.String("name"), spdktypes.BdevRaidLevel(c.String("level")), uint32(c.Uint64("strip-size-kb")), c.StringSlice("base-bdevs"))
+	created, err := spdkCli.BdevRaidCreate(c.String("name"), spdktypes.BdevRaidLevel(c.String("level")), uint32(c.Uint64("strip-size-kb")), c.StringSlice("base-bdevs"),
+		c.String("UUID"), c.Bool("superblock"), c.Bool("delta-bitmap"))
 	if err != nil {
 		return err
 	}
@@ -193,3 +212,93 @@ func bdevRaidGrowBaseBdev(c *cli.Context) error {
 
 	return util.PrintObject(growed)
 }
+
+func BdevRaidGetBaseBdevDeltaMapCmd() cli.Command {
+	return cli.Command{
+		Name:      "get-base-bdev-delta-map",
+		Usage:     "get the delta bitmap of a faulty base bdev",
+		ArgsUsage: "<BASE BDEV NAME>",
+		Action: func(c *cli.Context) {
+			if c.NArg() != 1 {
+				logrus.Fatal("BASE BDEV NAME argument required")
+			}
+			if err := bdevRaidGetBaseBdevDeltaMap(c); err != nil {
+				logrus.WithError(err).Fatalf("Failed to run get base bdev delta map to raid command")
+			}
+		},
+	}
+}
+
+func bdevRaidGetBaseBdevDeltaMap(c *cli.Context) error {
+	spdkCli, err := client.NewClient(context.Background())
+	if err != nil {
+		return err
+	}
+
+	deltaMap, err := spdkCli.BdevRaidGetBaseBdevDeltaMap(c.Args().First())
+	if err != nil {
+		return err
+	}
+
+	return util.PrintObject(deltaMap)
+}
+
+func BdevRaidStopBaseBdevDeltaMapCmd() cli.Command {
+	return cli.Command{
+		Name:      "stop-base-bdev-delta-map",
+		Usage:     "stop the updating of the delta bitmap of a faulty base bdev",
+		ArgsUsage: "<BASE BDEV NAME>",
+		Action: func(c *cli.Context) {
+			if c.NArg() != 1 {
+				logrus.Fatal("BASE BDEV NAME argument required")
+			}
+			if err := bdevRaidStopBaseBdevDeltaMap(c); err != nil {
+				logrus.WithError(err).Fatalf("Failed to run stop base bdev delta map to raid command")
+			}
+		},
+	}
+}
+
+func bdevRaidStopBaseBdevDeltaMap(c *cli.Context) error {
+	spdkCli, err := client.NewClient(context.Background())
+	if err != nil {
+		return err
+	}
+
+	stopped, err := spdkCli.BdevRaidStopBaseBdevDeltaMap(c.Args().First())
+	if err != nil {
+		return err
+	}
+
+	return util.PrintObject(stopped)
+}
+
+func BdevRaidClearBaseBdevFaultyStateCmd() cli.Command {
+	return cli.Command{
+		Name:      "clear-base-bdev-faulty-state",
+		Usage:     "clear the faulty state of a base bdev",
+		ArgsUsage: "<BASE BDEV NAME>",
+		Action: func(c *cli.Context) {
+			if c.NArg() != 1 {
+				logrus.Fatal("BASE BDEV NAME argument required")
+			}
+			if err := bdevRaidClearBaseBdevFaultyState(c); err != nil {
+				logrus.WithError(err).Fatalf("Failed to run clear base bdev faulty state to raid command")
+			}
+		},
+	}
+}
+
+func bdevRaidClearBaseBdevFaultyState(c *cli.Context) error {
+	spdkCli, err := client.NewClient(context.Background())
+	if err != nil {
+		return err
+	}
+
+	cleared, err := spdkCli.BdevRaidClearBaseBdevFaultyState(c.Args().First())
+	if err != nil {
+		return err
+	}
+
+	return util.PrintObject(cleared)
+}

pkg/spdk/client/basic.go

@@ -531,7 +531,14 @@ func (c *Client) BdevLvolRename(oldName, newName string) (renamed bool, err erro
 //	"stripSizeKb": Required. Strip size in KB. It's valid for raid0 and raid5f only. For other raid levels, this would be modified to 0.
 //
 //	"baseBdevs": Required. The bdev list used as the underlying disk of the RAID.
-func (c *Client) BdevRaidCreate(name string, raidLevel spdktypes.BdevRaidLevel, stripSizeKb uint32, baseBdevs []string) (created bool, err error) {
+//
+//	"uuid": Optional. UUID for this raid bdev. Empty value will be ignored.
+//
+//	"superblock": Optional. Raid bdev info will be stored in superblock on each base bdev. Default false.
+//
+//	"delta_bitmap": Optional. A delta bitmap for faulty base bdevs will be recorded. Default false.
+func (c *Client) BdevRaidCreate(name string, raidLevel spdktypes.BdevRaidLevel, stripSizeKb uint32, baseBdevs []string,
+	uuid string, superBlock bool, deltaBitmap bool) (created bool, err error) {
 	if raidLevel != spdktypes.BdevRaidLevel0 && raidLevel != spdktypes.BdevRaidLevelRaid0 && raidLevel != spdktypes.BdevRaidLevel5f && raidLevel != spdktypes.BdevRaidLevelRaid5f {
 		stripSizeKb = 0
 	}
@@ -540,6 +547,9 @@ func (c *Client) BdevRaidCreate(name string, raidLevel spdktypes.BdevRaidLevel,
 		RaidLevel:   raidLevel,
 		StripSizeKb: stripSizeKb,
 		BaseBdevs:   baseBdevs,
+		UUID:        uuid,
+		SuperBlock:  superBlock,
+		DeltaBitmap: deltaBitmap,
 	}
 
 	cmdOutput, err := c.jsonCli.SendCommand("bdev_raid_create", req)
@@ -686,6 +696,60 @@ func (c *Client) BdevRaidGrowBaseBdev(raidName, baseBdevName string) (growed boo
 	return growed, json.Unmarshal(cmdOutput, &growed)
 }
 
+// BdevRaidGetBaseBdevDeltaMap get the delta bitmap of a faulty base bdev
+//
+//	"baseBdevName": Required. The faulty base bdev name to get the delta bitmap of.
+func (c *Client) BdevRaidGetBaseBdevDeltaMap(baseBdevName string) (deltaMap *spdktypes.BdevRaidBaseBdevDeltaMap, err error) {
+	req := spdktypes.BdevRaidGetBaseBdevDeltaMapRequest{
+		BaseName: baseBdevName,
+	}
+
+	cmdOutput, err := c.jsonCli.SendCommand("bdev_raid_get_base_bdev_delta_bitmap", req)
+	if err != nil {
+		return nil, err
+	}
+
+	deltaMap = &spdktypes.BdevRaidBaseBdevDeltaMap{}
+	err = json.Unmarshal(cmdOutput, deltaMap)
+	if err != nil {
+		return nil, err
+	}
+
+	return deltaMap, nil
+}
+
+// BdevRaidStopBaseBdevDeltaMap stop the updating of the delta bitmap of a faulty base bdev
+//
+//	"baseBdevName": Required. The faulty base bdev name to stop the delta bitmap of.
+func (c *Client) BdevRaidStopBaseBdevDeltaMap(baseBdevName string) (stopped bool, err error) {
+	req := spdktypes.BdevRaidStopBaseBdevDeltaMapRequest{
+		BaseName: baseBdevName,
+	}
+
+	cmdOutput, err := c.jsonCli.SendCommand("bdev_raid_stop_base_bdev_delta_bitmap", req)
+	if err != nil {
+		return false, err
+	}
+
+	return stopped, json.Unmarshal(cmdOutput, &stopped)
+}
+
+// BdevRaidClearBaseBdevFaultyState clear the faulty state of a base bdev
+//
+//	"baseBdevName": Required. The faulty base bdev name to clear the faulty state of.
+func (c *Client) BdevRaidClearBaseBdevFaultyState(baseBdevName string) (cleared bool, err error) {
+	req := spdktypes.BdevRaidClearBaseBdevFaultyStateRequest{
+		BaseName: baseBdevName,
+	}
+
+	cmdOutput, err := c.jsonCli.SendCommand("bdev_raid_clear_base_bdev_faulty_state", req)
+	if err != nil {
+		return false, err
+	}
+
+	return cleared, json.Unmarshal(cmdOutput, &cleared)
+}
+
 // BdevNvmeAttachController constructs NVMe bdev.
 //
 //	"name": Name of the NVMe controller. And the corresponding bdev nvme name are same as the nvme namespace name, which is `{ControllerName}n1`

pkg/spdk/spdk_test.go

@@ -302,7 +302,8 @@ func (s *TestSuite) TestSPDKBasic(c *C) {
 	c.Assert(time.Since(start) < time.Minute, Equals, true)
 
 	raidName := "test-raid"
-	created, err := spdkCli.BdevRaidCreate(raidName, spdktypes.BdevRaidLevelRaid1, 0, []string{lvolUUID1, lvolUUID2})
+	created, err := spdkCli.BdevRaidCreate(raidName, spdktypes.BdevRaidLevelRaid1, 0, []string{lvolUUID1, lvolUUID2},
+		"", false, false)
 	c.Assert(err, IsNil)
 	c.Assert(created, Equals, true)
 	defer func() {
@@ -562,7 +563,8 @@ func (s *TestSuite) TestSPDKEngineSuspend(c *C) {
 	c.Assert(len(lvolList), Equals, 2)
 
 	raidName := "test-raid"
-	created, err := spdkCli.BdevRaidCreate(raidName, spdktypes.BdevRaidLevelRaid1, 0, []string{lvolUUID1, lvolUUID2})
+	created, err := spdkCli.BdevRaidCreate(raidName, spdktypes.BdevRaidLevelRaid1, 0, []string{lvolUUID1, lvolUUID2},
+		"", false, false)
 	c.Assert(err, IsNil)
 	c.Assert(created, Equals, true)
 	defer func() {

pkg/spdk/types/raid.go

@@ -37,6 +37,9 @@ type BdevRaidCreateRequest struct {
 	RaidLevel   BdevRaidLevel `json:"raid_level"`
 	StripSizeKb uint32        `json:"strip_size_kb"`
 	BaseBdevs   []string      `json:"base_bdevs"`
+	UUID        string        `json:"uuid,omitempty"`
+	SuperBlock  bool          `json:"superblock,omitempty"`
+	DeltaBitmap bool          `json:"delta_bitmap,omitempty"`
 }
 
 type BdevRaidDeleteRequest struct {
@@ -64,3 +67,20 @@ type BdevRaidGrowBaseBdevRequest struct {
 	RaidName string `json:"raid_name"`
 	BaseName string `json:"base_name"`
 }
+
+type BdevRaidGetBaseBdevDeltaMapRequest struct {
+	BaseName string `json:"base_bdev_name"`
+}
+
+type BdevRaidBaseBdevDeltaMap struct {
+	RegionSize  uint64 `json:"region_size"`
+	DeltaBitmap string `json:"delta_bitmap"`
+}
+
+type BdevRaidStopBaseBdevDeltaMapRequest struct {
+	BaseName string `json:"base_bdev_name"`
+}
+
+type BdevRaidClearBaseBdevFaultyStateRequest struct {
+	BaseName string `json:"base_bdev_name"`
+}