Read SP task crash dumps over the network

Cargo.toml

@@ -123,7 +123,7 @@ zip = { version = "0.6", default-features = false, features = ["bzip2", "deflate
 # Oxide forks and repos
 attest-data = { git = "https://github.com/oxidecomputer/dice-util", default-features = false, version = "0.4.0" }
 dice-mfg-msgs = { git = "https://github.com/oxidecomputer/dice-util", default-features = false, version = "0.2.1" }
-gateway-messages = { git = "https://github.com/oxidecomputer/management-gateway-service", default-features = false, features = ["smoltcp"] }
+gateway-messages = { git = "https://github.com/oxidecomputer/management-gateway-service", default-features = false, features = ["smoltcp"], branch = "mkeeter/sp-task-dump" }
 gimlet-inspector-protocol = { git = "https://github.com/oxidecomputer/gimlet-inspector-protocol", version = "0.1.0" }
 hif = { git = "https://github.com/oxidecomputer/hif", default-features = false }
 humpty = { git = "https://github.com/oxidecomputer/humpty", default-features = false, version = "0.1.3" }

app/gimlet/base.toml

@@ -230,7 +230,7 @@ name = "task-host-sp-comms"
 features = ["stm32h753", "uart7", "baud_rate_3M", "hardware_flow_control", "vlan", "gimlet"]
 uses = ["uart7", "dbgmcu"]
 interrupts = {"uart7.irq" = "usart-irq"}
-priority = 7
+priority = 8
 max-sizes = {flash = 65536, ram = 65536}
 stacksize = 5080
 start = true
@@ -259,14 +259,15 @@ notifications = ["socket"]
 
 [tasks.control_plane_agent]
 name = "task-control-plane-agent"
-priority = 6
+priority = 7
 max-sizes = {flash = 131072, ram = 32768}
 # This can probably overkill and can be tuned later
 stacksize = 6000
 start = true
 uses = ["usart1"]
 task-slots = [
     "jefe",
+    "dump_agent",
     "net",
     "update_server",
     "sys",
@@ -348,7 +349,7 @@ stacksize = 800
 
 [tasks.idle]
 name = "task-idle"
-priority = 8
+priority = 9
 max-sizes = {flash = 128, ram = 256}
 stacksize = 256
 start = true

app/gimletlet/app.toml

@@ -61,6 +61,7 @@ uses = ["usart1"]
 task-slots = [
     "jefe",
     "net",
+    "dump_agent",
     "update_server",
     "sys",
     "hf",

app/grapefruit/app.toml

@@ -211,7 +211,7 @@ name = "task-host-sp-comms"
 features = ["stm32h753", "usart6", "baud_rate_3M", "hardware_flow_control", "vlan", "grapefruit"]
 uses = ["usart6", "dbgmcu"]
 interrupts = {"usart6.irq" = "usart-irq"}
-priority = 7
+priority = 8
 max-sizes = {flash = 65536, ram = 65536}
 stacksize = 5080
 start = true
@@ -220,14 +220,15 @@ notifications = ["jefe-state-change", "usart-irq", "multitimer", "control-plane-
 
 [tasks.control_plane_agent]
 name = "task-control-plane-agent"
-priority = 6
+priority = 7
 max-sizes = {flash = 131072, ram = 32768}
 # This can probably overkill and can be tuned later
 stacksize = 6000
 start = true
 uses = ["usart1"]
 task-slots = [
     "auxflash",
+    "dump_agent",
     "jefe",
     "net",
     "update_server",

app/lpc55xpresso/app.toml

@@ -132,7 +132,7 @@ task-slots = ["user_leds"]
 name = "task-dump-agent"
 features = ["no-rot"]
 priority = 5
-max-sizes = {flash = 32768, ram = 2240 }
+max-sizes = {flash = 32768, ram = 2272 }
 start = true
 task-slots = ["jefe"]
 stacksize = 1536

app/psc/base.toml

@@ -195,14 +195,15 @@ notifications = ["spi-irq"]
 
 [tasks.control_plane_agent]
 name = "task-control-plane-agent"
-priority = 5
+priority = 6
 max-sizes = {flash = 131072, ram = 32768}
 # This is probably a bit overkill and can be tuned later
 stacksize = 6000
 start = true
 uses = []
 task-slots = [
     "jefe",
+    "dump_agent",
     "net",
     "update_server",
     "sys",
@@ -311,7 +312,7 @@ features = ["net", "vlan"]
 
 [tasks.idle]
 name = "task-idle"
-priority = 6
+priority = 7
 max-sizes = {flash = 128, ram = 256}
 stacksize = 256
 start = true

app/sidecar/base.toml

@@ -113,6 +113,7 @@ start = true
 uses = []
 task-slots = [
     "auxflash",
+    "dump_agent",
     "ignition",
     "jefe",
     "monorail",

idl/dump-agent.idol

@@ -14,6 +14,20 @@ Interface(
                 err: CLike("DumpAgentError"),
             ),
         ),
+        "read_dump_into": (
+            doc: "Fetch bytes from the dump at the specified offset from the specified area",
+            args: {
+                "index": "u8",
+                "offset": "u32",
+            },
+            leases: {
+                "out": (type: "[u8]", write: true),
+            },
+            reply: Result(
+                ok: "usize",
+                err: CLike("DumpAgentError"),
+            ),
+        ),
         "get_dump_area": (
             doc: "Return information associated with the specified dump area.",
             args: {

task/control-plane-agent/Cargo.toml

@@ -8,6 +8,7 @@ cfg-if.workspace = true
 enum-map.workspace = true
 gateway-messages.workspace = true
 heapless.workspace = true
+humpty.workspace = true
 idol-runtime.workspace = true
 num-traits.workspace = true
 serde.workspace = true
@@ -34,6 +35,7 @@ drv-transceivers-api = { path = "../../drv/transceivers-api", optional = true }
 drv-update-api = { path = "../../drv/update-api" }
 drv-user-leds-api = { path = "../../drv/user-leds-api", optional = true }
 drv-rng-api = { path = "../../drv/rng-api", optional = true }
+dump-agent-api = { path = "../dump-agent-api" }
 task-vpd-api = { path = "../../task/vpd-api", optional = true }
 host-sp-messages = { path = "../../lib/host-sp-messages" }
 lpc55-rom-data = { path = "../../lib/lpc55-rom-data" }