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base: New RPCs to allow to associate a PD with a Cell and growing and shrinking a cell's core allocation.

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This commit is contained in:
Michael Mueller
2024-01-18 18:51:49 +01:00
parent fe4c8e1dfe
commit 5cbac9f128
4 changed files with 62 additions and 3 deletions
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23
repos/base-nova/src/core/pd_session_support.cc
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@@ -106,6 +106,29 @@ void Pd_session_component::map(addr_t virt, addr_t size)
} }
} }
void Pd_session_component::create_cell(long prioritiy, const Affinity::Location &loc)
{
Nova::uint8_t err = Nova::NOVA_OK;
if ((err = Nova::create_cell(_pd->pd_sel(), prioritiy, loc.xpos(), loc.xpos()+loc.width())) != Nova::NOVA_OK) {
error("Could not create new cell: ", err);
}
}
void Pd_session_component::grow_cell(const Affinity::Location &loc)
{
Nova::uint8_t err = Nova::NOVA_OK;
if ((err = Nova::grow_cell(_pd->pd_sel(), loc.xpos(), loc.xpos()+loc.width())) != Nova::NOVA_OK) {
error("Could not enlarge cell: ", err);
}
}
void Pd_session_component::shrink_cell(const Affinity::Location &loc)
{
Nova::uint8_t err = Nova::NOVA_OK;
if ((err = Nova::shrink_cell(_pd->pd_sel(), loc.xpos(), loc.xpos()+loc.width())) != Nova::NOVA_OK) {
error("Could not shrink down cell: ", err);
}
}
using State = Genode::Pd_session::Managing_system_state; using State = Genode::Pd_session::Managing_system_state;

15
repos/base/include/pd_session/client.h
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@@ -105,6 +105,21 @@ struct Genode::Pd_session_client : Rpc_client<Pd_session>
Attach_dma_result attach_dma(Dataspace_capability ds, addr_t at) override { Attach_dma_result attach_dma(Dataspace_capability ds, addr_t at) override {
return call<Rpc_attach_dma>(ds, at); } return call<Rpc_attach_dma>(ds, at); }
void create_cell(long prioritiy, const Affinity::Location &loc) override
{
call<Rpc_create_cell>(prioritiy, loc);
}
void grow_cell(const Affinity::Location &loc) override
{
call<Rpc_grow_cell>(loc);
}
void shrink_cell(const Affinity::Location &loc) override
{
call<Rpc_shrink_cell>(loc);
}
}; };
#endif /* _INCLUDE__PD_SESSION__CLIENT_H_ */ #endif /* _INCLUDE__PD_SESSION__CLIENT_H_ */

19
repos/base/include/pd_session/pd_session.h
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@@ -21,7 +21,7 @@
#include <session/session.h> #include <session/session.h>
#include <region_map/region_map.h> #include <region_map/region_map.h>
#include <base/ram_allocator.h> #include <base/ram_allocator.h>
#include <base/affinity.h>
namespace Genode { namespace Genode {
struct Pd_session; struct Pd_session;
struct Pd_session_client; struct Pd_session_client;
@@ -29,7 +29,6 @@ namespace Genode {
struct Signal_context; struct Signal_context;
} }
struct Genode::Pd_session : Session, Ram_allocator struct Genode::Pd_session : Session, Ram_allocator
{ {
/** /**
@@ -347,6 +346,14 @@ struct Genode::Pd_session : Session, Ram_allocator
*/ */
virtual Attach_dma_result attach_dma(Dataspace_capability, addr_t at) = 0; virtual Attach_dma_result attach_dma(Dataspace_capability, addr_t at) = 0;
/*
* Create a new cell at the kernel for this protection domain
*/
virtual void create_cell(long prioritiy, const Affinity::Location &loc) = 0;
virtual void shrink_cell(const Affinity::Location &loc) = 0;
virtual void grow_cell(const Affinity::Location &loc) = 0;
/********************* /*********************
** RPC declaration ** ** RPC declaration **
@@ -402,6 +409,11 @@ struct Genode::Pd_session : Session, Ram_allocator
GENODE_RPC(Rpc_attach_dma, Attach_dma_result, attach_dma, GENODE_RPC(Rpc_attach_dma, Attach_dma_result, attach_dma,
Dataspace_capability, addr_t); Dataspace_capability, addr_t);
GENODE_RPC(Rpc_create_cell, void, create_cell, long, Affinity::Location const &);
GENODE_RPC(Rpc_shrink_cell, void, shrink_cell, Affinity::Location const &);
GENODE_RPC(Rpc_grow_cell, void, grow_cell, Affinity::Location const &);
GENODE_RPC_INTERFACE(Rpc_assign_parent, Rpc_assign_pci, Rpc_map, GENODE_RPC_INTERFACE(Rpc_assign_parent, Rpc_assign_pci, Rpc_map,
Rpc_alloc_signal_source, Rpc_free_signal_source, Rpc_alloc_signal_source, Rpc_free_signal_source,
Rpc_alloc_context, Rpc_free_context, Rpc_submit, Rpc_alloc_context, Rpc_free_context, Rpc_submit,
@@ -411,7 +423,8 @@ struct Genode::Pd_session : Session, Ram_allocator
Rpc_try_alloc, Rpc_try_alloc_numa, Rpc_free, Rpc_try_alloc, Rpc_try_alloc_numa, Rpc_free,
Rpc_transfer_ram_quota, Rpc_ram_quota, Rpc_used_ram, Rpc_transfer_ram_quota, Rpc_ram_quota, Rpc_used_ram,
Rpc_native_pd, Rpc_managing_system, Rpc_native_pd, Rpc_managing_system,
Rpc_dma_addr, Rpc_attach_dma); Rpc_dma_addr, Rpc_attach_dma,
Rpc_create_cell, Rpc_grow_cell, Rpc_shrink_cell);
}; };
#endif /* _INCLUDE__PD_SESSION__PD_SESSION_H_ */ #endif /* _INCLUDE__PD_SESSION__PD_SESSION_H_ */

8
repos/base/src/core/include/pd_session_component.h
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@@ -346,6 +346,14 @@ class Genode::Pd_session_component : public Session_object<Pd_session>
addr_t dma_addr(Ram_dataspace_capability) override; addr_t dma_addr(Ram_dataspace_capability) override;
Attach_dma_result attach_dma(Dataspace_capability, addr_t) override; Attach_dma_result attach_dma(Dataspace_capability, addr_t) override;
/******************************************
** Support for EalánOS cells **
******************************************/
void create_cell(long prioritiy, const Affinity::Location &loc) override;
void grow_cell(const Affinity::Location &loc) override;
void shrink_cell(const Affinity::Location &loc) override;
}; };
#endif /* _CORE__INCLUDE__PD_SESSION_COMPONENT_H_ */ #endif /* _CORE__INCLUDE__PD_SESSION_COMPONENT_H_ */