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gem5
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Virtqueue for 9p requests. More...
#include <fs9p.hh>
Public Member Functions | |
| FSQueue (PortProxy &proxy, uint16_t size, VirtIO9PBase &_parent) | |
| virtual | ~FSQueue () |
| void | onNotifyDescriptor (VirtDescriptor *desc) |
| Notify queue of pending incoming descriptor. More... | |
| std::string | name () const |
 Public Member Functions inherited from VirtQueue | |
| virtual | ~VirtQueue () |
| void | serialize (CheckpointOut &cp) const override |
| Serialize an object. More... | |
| void | unserialize (CheckpointIn &cp) override |
| Unserialize an object. More... | |
| void | setAddress (Addr address) |
| Set the base address of this queue. More... | |
| Addr | getAddress () const |
| Get the guest physical address of this queue. More... | |
| uint16_t | getSize () const |
| Get the number of descriptors available in this queue. More... | |
| VirtDescriptor * | getDescriptor (VirtDescriptor::Index index) |
| Get a pointer to a specific descriptor in the queue. More... | |
| VirtDescriptor * | consumeDescriptor () |
| Get an incoming descriptor chain from the queue. More... | |
| void | produceDescriptor (VirtDescriptor *desc, uint32_t len) |
| Send a descriptor chain to the guest. More... | |
| virtual void | onNotify () |
| Notify queue of pending events. More... | |
| void | dump () const |
| Dump the contents of a queue. More... | |
| Public Member Functions inherited from Serializable | |
| Serializable () | |
| virtual | ~Serializable () |
| void | serializeSection (CheckpointOut &cp, const char *name) const |
| Serialize an object into a new section. More... | |
| void | serializeSection (CheckpointOut &cp, const std::string &name) const |
| void | unserializeSection (CheckpointIn &cp, const char *name) |
| Unserialize an a child object. More... | |
| void | unserializeSection (CheckpointIn &cp, const std::string &name) |
Protected Attributes | |
| VirtIO9PBase & | parent |
Additional Inherited Members | |
| Static Public Member Functions inherited from Serializable | |
| static const std::string & | currentSection () |
| Get the fully-qualified name of the active section. More... | |
| static void | serializeAll (const std::string &cpt_dir) |
| static void | unserializeGlobals (CheckpointIn &cp) |
| Static Public Attributes inherited from VirtQueue | |
| static const unsigned | ALIGN_BITS = 12 |
| Page size used by VirtIO. It's hard-coded to 4096 bytes in the spec for historical reasons. More... | |
| static const unsigned | ALIGN_SIZE = 1 << ALIGN_BITS |
| Static Public Attributes inherited from Serializable | |
| static int | ckptCount = 0 |
| static int | ckptMaxCount = 0 |
| static int | ckptPrevCount = -1 |
| Protected Member Functions inherited from VirtQueue | |
| VirtQueue (PortProxy &proxy, uint16_t size) | |
| Instantiate a new virtqueue. More... | |
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inline |
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inline |
Definition at line 156 of file fs9p.hh.
References SimObject::name(), and parent.
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virtual |
Notify queue of pending incoming descriptor.
This method is called by the default implementation of onNotify() to notify the device model of pending data in a descriptor chain.
Device models should normally overload one of onNotify() and onNotifyDescriptor().
Reimplemented from VirtQueue.
Definition at line 136 of file fs9p.cc.
References VirtDescriptor::chainRead(), data, DPRINTF, VirtIO9PBase::dumpMsg(), p9toh(), parent, VirtIO9PBase::pendingTransactions, VirtIO9PBase::recvTMsg(), and VirtDescriptor::size().
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protected |
Definition at line 159 of file fs9p.hh.
Referenced by name(), and onNotifyDescriptor().