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sma: interface for querying QoS capabilities

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Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Change-Id: I6013205499c122cad95d807c84e609f188b4d2d2
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/14189
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Konrad Sztyber 2022-08-24 09:28:25 +02:00 committed by Tomasz Zawadzki
parent f14c7d7578
commit b994ebdfbd
1 changed files with 41 additions and 1 deletions
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42
python/spdk/sma/proto/sma.proto
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@ -13,6 +13,14 @@ package sma;
option go_package = "spdk.io/sma";
// Enumeration defining types of devices
enum DeviceType {
DEVICE_TYPE_INVALID = 0;
DEVICE_TYPE_NVME = 1;
DEVICE_TYPE_VIRTIO_BLK = 2;
DEVICE_TYPE_NVMF_TCP = 3;
}
// Volume's crypto parameters
message VolumeCryptoParameters {
// Key to be used for encryption
@ -120,7 +128,8 @@ message SetQosRequest {
// the QoS will be set up on the whole device (all volumes attached to that
// device will share QoS settings). Some device types might only support
// configuring QoS on per-device (volume_id must be empty) or per-volume level
// (volume_id cannot be empty).
// (volume_id cannot be empty). This information can be obtained by sending a
// GetQosCapabilities request.
bytes volume_id = 2;
// Maximum allowed IOPS/bandwidth
QosLimit maximum = 3;
@ -129,6 +138,34 @@ message SetQosRequest {
// SetQos response
message SetQosResponse {}
// Get QoS capabilities request
message GetQosCapabilitiesRequest {
// Type of a device to query for QoS capabilities
DeviceType device_type = 1;
}
// Get QoS capabilities response
message GetQosCapabilitiesResponse {
message QosCapabilities {
// Read IOPS
bool rd_iops = 1;
// Write IOPS
bool wr_iops = 2;
// Read/write IOPS
bool rw_iops = 3;
// Read bandwidth
bool rd_bandwidth = 4;
// Write bandwidth
bool wr_bandwidth = 5;
// Read/write bandwidth
bool rw_bandwidth = 6;
}
// Device level maximum QoS limits
QosCapabilities max_device_caps = 1;
// Volume level maximum QoS limits
QosCapabilities max_volume_caps = 2;
};
// Storage Management Agent gRPC service definition
service StorageManagementAgent {
// Creates a new device. A device is an entity that can be used to expose
@ -151,4 +188,7 @@ service StorageManagementAgent {
// Configures QoS on a device/volume
rpc SetQos (SetQosRequest)
returns (SetQosResponse) {}
// Returns QoS capabilities of a given device type
rpc GetQosCapabilities (GetQosCapabilitiesRequest)
returns (GetQosCapabilitiesResponse) {}
}