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https://github.com/RGBCube/serenity
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Kernel: Make device generate their own names
Besides removing the monolithic DevFSDeviceInode::determine_name() method, being able to determine a device's name inside the /dev hierarchy outside of DevFS has its uses.
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parent
a2601e1308
commit
f64e287b82
29 changed files with 76 additions and 69 deletions
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@ -192,6 +192,11 @@ KResultOr<Region*> BXVGADevice::mmap(Process& process, FileDescription&, Virtual
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shared);
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}
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String BXVGADevice::device_name() const
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{
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return String::formatted("fb{}", minor());
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}
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int BXVGADevice::ioctl(FileDescription&, unsigned request, FlatPtr arg)
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{
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REQUIRE_PROMISE(video);
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@ -46,6 +46,7 @@ public:
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// ^Device
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virtual mode_t required_mode() const override { return 0660; }
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virtual String device_name() const override;
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private:
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virtual const char* class_name() const override { return "BXVGA"; }
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@ -58,6 +58,7 @@ public:
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uid_t gid() const { return m_gid; }
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virtual mode_t required_mode() const = 0;
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virtual String device_name() const = 0;
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virtual bool is_device() const override { return true; }
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virtual bool is_disk_device() const { return false; }
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@ -38,6 +38,7 @@ public:
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// ^Device
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virtual mode_t required_mode() const override { return 0600; }
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virtual String device_name() const override { return "full"; }
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private:
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// ^CharacterDevice
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@ -76,6 +76,7 @@ public:
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// ^Device
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virtual mode_t required_mode() const override { return 0440; }
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virtual String device_name() const override { return "keyboard"; }
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private:
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// ^IRQHandler
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@ -114,4 +114,9 @@ int MBVGADevice::ioctl(FileDescription&, unsigned request, FlatPtr arg)
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};
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}
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String MBVGADevice::device_name() const
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{
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return String::formatted("fb{}", minor());
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}
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}
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@ -45,6 +45,7 @@ public:
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// ^Device
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virtual mode_t required_mode() const override { return 0660; }
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virtual String device_name() const override;
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private:
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virtual const char* class_name() const override { return "MBVGA"; }
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@ -41,6 +41,7 @@ public:
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// ^Device
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virtual mode_t required_mode() const override { return 0666; }
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virtual String device_name() const override { return "null"; }
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private:
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// ^CharacterDevice
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@ -63,6 +63,7 @@ public:
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// ^Device
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virtual mode_t required_mode() const override { return 0440; }
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virtual String device_name() const override { return "mouse"; }
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private:
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// ^IRQHandler
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@ -38,6 +38,7 @@ public:
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// ^Device
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virtual mode_t required_mode() const override { return 0666; }
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virtual String device_name() const override { return "random"; }
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private:
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// ^CharacterDevice
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@ -55,6 +55,7 @@ public:
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// ^Device
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virtual mode_t required_mode() const override { return 0220; }
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virtual String device_name() const override { return "audio"; }
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private:
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// ^IRQHandler
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@ -87,6 +87,11 @@ KResultOr<size_t> SerialDevice::write(FileDescription&, size_t, const UserOrKern
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return (size_t)nread;
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}
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String SerialDevice::device_name() const
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{
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return String::formatted("ttyS{}", minor() - 64);
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}
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void SerialDevice::initialize()
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{
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set_interrupts(0);
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@ -125,6 +125,7 @@ public:
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// ^Device
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virtual mode_t required_mode() const override { return 0620; }
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virtual String device_name() const override;
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private:
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// ^CharacterDevice
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@ -38,6 +38,7 @@ public:
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// ^Device
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virtual mode_t required_mode() const override { return 0666; }
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virtual String device_name() const override { return "zero"; }
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private:
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// ^CharacterDevice
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