Add command to reboot EC, optionally to RW section

Signed-off-by: Daniel Schaefer <dhs@frame.work>

Author: JohnAZoidberg

framework_lib/src/chromium_ec/command.rs

@@ -25,6 +25,10 @@ pub enum EcCommands {
     I2cPassthrough = 0x9e,
     ConsoleSnapshot = 0x97,
     ConsoleRead = 0x98,
+    /// Force reboot, causes host reboot as well
+    Reboot = 0xD1,
+    /// Control EC boot
+    RebootEc = 0xD2,
     /// Get information about PD controller power
     UsbPdPowerInfo = 0x103,
 

framework_lib/src/chromium_ec/commands.rs

@@ -86,6 +86,15 @@ impl EcRequest<EcResponsePwmGetKeyboardBacklight> for EcRequestPwmGetKeyboardBac
     }
 }
 
+#[repr(C, packed)]
+pub struct EcRequestReboot {}
+
+impl EcRequest<()> for EcRequestReboot {
+    fn command_id() -> EcCommands {
+        EcCommands::Reboot
+    }
+}
+
 pub struct EcRequestConsoleSnapshot {}
 impl EcRequest<()> for EcRequestConsoleSnapshot {
     fn command_id() -> EcCommands {
@@ -111,6 +120,58 @@ impl EcRequest<()> for EcRequestConsoleRead {
     }
 }
 
+#[repr(u8)]
+pub enum RebootEcCmd {
+    /// Cancel a pending reboot
+    Cancel = 0,
+    /// Jump to RO firmware without rebooting
+    JumpRo = 1,
+    /// Jump to RW firmware without rebooting
+    JumpRw = 2,
+    /// DEPRECATED: Was jump to RW-B
+    DeprecatedJumpToRwB = 3,
+    /// Cold reboot of the EC. Causes host reset as well
+    ColdReboot = 4,
+    /// Disable jumping until the next EC reboot
+    DisableJump = 5,
+    /// Hibernate the EC
+    Hibernate = 6,
+    /// DEPRECATED: Hibernate EC and clears AP_IDLE flag.
+    /// Use EC_REBOOT_HIBERNATE and EC_REBOOT_FLAG_CLEAR_AP_IDLE, instead.
+    DeprecatedClearApOff = 7,
+    ///  Cold-reboot and don't boot AP
+    ColdApOff = 8,
+    /// Do nothing but apply the flags
+    NoOp = 9,
+}
+
+#[repr(u8)]
+pub enum RebootEcFlags {
+    /// Default
+    None = 0x00,
+    DeprecatedRecoveryRequest = 0x01,
+    /// Reboot after AP shutdown
+    OnApShutdown = 0x02,
+    /// Switch RW slot
+    SwitchRwSlot = 0x04,
+    /// Clear AP_IDLE flag
+    ClearApidle = 0x08,
+}
+
+pub struct EcRequestRebootEc {
+    pub cmd: u8, /* enum RebootEcCmd */
+    pub flags: u8,
+}
+
+impl EcRequest<()> for EcRequestRebootEc {
+    fn command_id() -> EcCommands {
+        EcCommands::RebootEc
+    }
+    fn command_version() -> u8 {
+        0
+    }
+}
+
 #[repr(C, packed)]
 pub struct EcRequestUsbPdPowerInfo {
     pub port: u8,

framework_lib/src/chromium_ec/mod.rs

@@ -410,6 +410,54 @@ impl CrosEc {
             .replace(|c: char| c == '\0', "");
         Ok(ascii)
     }
+
+    /// Instantly reboot EC and host
+    pub fn reboot(&self) -> EcResult<()> {
+        EcRequestReboot {}.send_command(self)
+    }
+
+    pub fn reboot_ec(&self, command: RebootEcCmd) -> EcResult<()> {
+        EcRequestRebootEc {
+            cmd: command as u8,
+            flags: RebootEcFlags::None as u8,
+        }
+        .send_command(self)
+    }
+
+    pub fn jump_rw(&self) -> EcResult<()> {
+        // Note: AP Turns off
+        EcRequestRebootEc {
+            cmd: RebootEcCmd::JumpRw as u8,
+            flags: 0,
+            // flags: RebootEcFlags::OnApShutdown as u8,
+        }
+        .send_command(self)
+    }
+
+    pub fn jump_ro(&self) -> EcResult<()> {
+        EcRequestRebootEc {
+            cmd: RebootEcCmd::JumpRo as u8,
+            flags: 0,
+            // flags: RebootEcFlags::OnApShutdown as u8,
+        }
+        .send_command(self)
+    }
+
+    pub fn cancel_jump(&self) -> EcResult<()> {
+        EcRequestRebootEc {
+            cmd: RebootEcCmd::Cancel as u8,
+            flags: 0,
+        }
+        .send_command(self)
+    }
+
+    pub fn disable_jump(&self) -> EcResult<()> {
+        EcRequestRebootEc {
+            cmd: RebootEcCmd::DisableJump as u8,
+            flags: 0,
+        }
+        .send_command(self)
+    }
 }
 
 #[cfg_attr(not(feature = "uefi"), derive(clap::ValueEnum))]

framework_lib/src/commandline/clap_std.rs

@@ -4,7 +4,7 @@
 use clap::Parser;
 
 use crate::chromium_ec::CrosEcDriverType;
-use crate::commandline::{Cli, ConsoleArg, FpBrightnessArg, InputDeckModeArg};
+use crate::commandline::{Cli, ConsoleArg, FpBrightnessArg, InputDeckModeArg, RebootEcArg};
 
 /// Swiss army knife for Framework laptops
 #[derive(Parser)]
@@ -106,6 +106,11 @@ struct ClapCli {
     #[arg(long)]
     console: Option<ConsoleArg>,
 
+    /// Control EC RO/RW jump
+    #[clap(value_enum)]
+    #[arg(long)]
+    reboot_ec: Option<RebootEcArg>,
+
     /// Select which driver is used. By default portio is used
     #[clap(value_enum)]
     #[arg(long)]
@@ -154,6 +159,7 @@ pub fn parse(args: &[String]) -> Cli {
         fp_brightness: args.fp_brightness,
         kblight: args.kblight,
         console: args.console,
+        reboot_ec: args.reboot_ec,
         driver: args.driver,
         test: args.test,
         // TODO: Set help. Not very important because Clap handles this by itself

framework_lib/src/commandline/mod.rs

@@ -30,9 +30,9 @@ use crate::ccgx::{self, SiliconId::*};
 use crate::chromium_ec;
 use crate::chromium_ec::commands::DeckStateMode;
 use crate::chromium_ec::commands::FpLedBrightnessLevel;
+use crate::chromium_ec::commands::RebootEcCmd;
 use crate::chromium_ec::print_err;
-use crate::chromium_ec::EcError;
-use crate::chromium_ec::EcResult;
+use crate::chromium_ec::{EcError, EcResult};
 #[cfg(feature = "linux")]
 use crate::csme;
 use crate::ec_binary;
@@ -59,6 +59,16 @@ pub enum ConsoleArg {
     Follow,
 }
 
+#[cfg_attr(not(feature = "uefi"), derive(clap::ValueEnum))]
+#[derive(Clone, Debug, PartialEq)]
+pub enum RebootEcArg {
+    Reboot,
+    JumpRo,
+    JumpRw,
+    CancelJump,
+    DisableJump,
+}
+
 #[cfg_attr(not(feature = "uefi"), derive(clap::ValueEnum))]
 #[derive(Clone, Copy, Debug, PartialEq)]
 pub enum FpBrightnessArg {
@@ -124,6 +134,7 @@ pub struct Cli {
     pub fp_brightness: Option<Option<FpBrightnessArg>>,
     pub kblight: Option<Option<u8>>,
     pub console: Option<ConsoleArg>,
+    pub reboot_ec: Option<RebootEcArg>,
     pub help: bool,
     pub info: bool,
     // UEFI only
@@ -484,6 +495,29 @@ pub fn run_with_args(args: &Cli, _allupdate: bool) -> i32 {
                 Err(err) => println!("Failed to read console: {:?}", err),
             },
         }
+    } else if let Some(reboot_arg) = &args.reboot_ec {
+        match reboot_arg {
+            RebootEcArg::Reboot => match ec.reboot_ec(RebootEcCmd::ColdReboot) {
+                Ok(_) => {}
+                Err(err) => println!("Failed: {:?}", err),
+            },
+            RebootEcArg::JumpRo => match ec.jump_ro() {
+                Ok(_) => {}
+                Err(err) => println!("Failed: {:?}", err),
+            },
+            RebootEcArg::JumpRw => match ec.jump_rw() {
+                Ok(_) => {}
+                Err(err) => println!("Failed: {:?}", err),
+            },
+            RebootEcArg::CancelJump => match ec.cancel_jump() {
+                Ok(_) => {}
+                Err(err) => println!("Failed: {:?}", err),
+            },
+            RebootEcArg::DisableJump => match ec.disable_jump() {
+                Ok(_) => {}
+                Err(err) => println!("Failed: {:?}", err),
+            },
+        }
     } else if args.test {
         println!("Self-Test");
         let result = selftest(&ec);
@@ -655,6 +689,7 @@ Options:
       --fp-brightness [<VAL>]Get or set fingerprint LED brightness level [possible values: high, medium, low]
       --kblight [<KBLIGHT>]  Set keyboard backlight percentage or get, if no value provided
       --console <CONSOLE>    Get EC console, choose whether recent or to follow the output [possible values: recent, follow]
+      --reboot-ec            Control EC RO/RW jump [possible values: reboot, jump-ro, jump-rw, cancel-jump, disable-jump]
   -t, --test                 Run self-test to check if interaction with EC is possible
   -h, --help                 Print help information
     "#

framework_lib/src/commandline/uefi.rs

@@ -12,7 +12,7 @@ use uefi::Identify;
 use crate::chromium_ec::CrosEcDriverType;
 use crate::commandline::Cli;
 
-use super::{ConsoleArg, FpBrightnessArg, InputDeckModeArg};
+use super::{ConsoleArg, FpBrightnessArg, InputDeckModeArg, RebootEcArg};
 
 /// Get commandline arguments from UEFI environment
 pub fn get_args(boot_services: &BootServices) -> Vec<String> {
@@ -77,6 +77,7 @@ pub fn parse(args: &[String]) -> Cli {
         fp_brightness: None,
         kblight: None,
         console: None,
+        reboot_ec: None,
         // This is the only driver that works on UEFI
         driver: Some(CrosEcDriverType::Portio),
         test: false,
@@ -216,6 +217,28 @@ pub fn parse(args: &[String]) -> Cli {
                 None
             };
             found_an_option = true;
+        } else if arg == "--reboot-ec" {
+            cli.reboot_ec = if args.len() > i + 1 {
+                let reboot_ec_arg = &args[i + 1];
+                if reboot_ec_arg == "reboot" {
+                    Some(RebootEcArg::Reboot)
+                } else if reboot_ec_arg == "jump-ro" {
+                    Some(RebootEcArg::JumpRo)
+                } else if reboot_ec_arg == "jump-rw" {
+                    Some(RebootEcArg::JumpRw)
+                } else if reboot_ec_arg == "cancel-jump" {
+                    Some(RebootEcArg::CancelJump)
+                } else if reboot_ec_arg == "disable-jump" {
+                    Some(RebootEcArg::DisableJump)
+                } else {
+                    println!("Invalid value for --reboot-ec: {}", reboot_ec_arg);
+                    None
+                }
+            } else {
+                println!("Need to provide a value for --reboot-ec. Either `reboot`, `jump-ro`, `jump-rw`, `cancel-jump` or `disable-jump`");
+                None
+            };
+            found_an_option = true;
         } else if arg == "-t" || arg == "--test" {
             cli.test = true;
             found_an_option = true;