linux-toradex.git/include/kvm, branch v3.17-rc4 Linux kernel for Apalis and Colibri modules KVM: ARM: vgic: add the GICv3 backend 2014-07-11T11:57:36+00:00 Marc Zyngier marc.zyngier@arm.com 2013-07-12T14:15:23+00:00 b2fb1c0d378399e1427a91bb991c094f2ca09a2f Introduce the support code for emulating a GICv2 on top of GICv3 hardware. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> 
Introduce the support code for emulating a GICv2 on top of GICv3
hardware.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
arm64: KVM: split GICv2 world switch from hyp code 2014-07-11T11:57:36+00:00 Marc Zyngier marc.zyngier@arm.com 2013-06-21T10:57:56+00:00 1a9b13056dde7e3092304d6041ccc60a913042ea Move the GICv2 world switch code into its own file, and add the necessary indirection to the arm64 switch code. Also introduce a new type field to the vgic_params structure. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> 
Move the GICv2 world switch code into its own file, and add the
necessary indirection to the arm64 switch code.

Also introduce a new type field to the vgic_params structure.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
KVM: ARM: vgic: revisit implementation of irqchip_in_kernel 2014-07-11T11:57:35+00:00 Marc Zyngier marc.zyngier@arm.com 2014-05-15T09:03:25+00:00 f982cf4e9c37b19478c7bc6e0484a43a7e78cf57 So far, irqchip_in_kernel() was implemented by testing the value of vctrl_base, which worked fine with GICv2. With GICv3, this field is useless, as we're using system registers instead of a emmory mapped interface. To solve this, add a boolean flag indicating if the we're using a vgic or not. Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> 
So far, irqchip_in_kernel() was implemented by testing the value of
vctrl_base, which worked fine with GICv2.

With GICv3, this field is useless, as we're using system registers
instead of a emmory mapped interface. To solve this, add a boolean
flag indicating if the we're using a vgic or not.

Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
KVM: ARM: vgic: split GICv2 backend from the main vgic code 2014-07-11T11:57:34+00:00 Marc Zyngier marc.zyngier@arm.com 2014-02-04T18:13:03+00:00 8f186d522c69bb18dd9b93a634da4953228c67d4 Brutally hack the innocent vgic code, and move the GICv2 specific code to its own file, using vgic_ops and vgic_params as a way to pass information between the two blocks. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> 
Brutally hack the innocent vgic code, and move the GICv2 specific code
to its own file, using vgic_ops and vgic_params as a way to pass
information between the two blocks.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
KVM: ARM: introduce vgic_params structure 2014-07-11T11:57:34+00:00 Marc Zyngier marc.zyngier@arm.com 2013-06-18T18:17:28+00:00 ca85f623e37d096206e092ef037a145a60fa7f85 Move all the data specific to a given GIC implementation into its own little structure. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> 
Move all the data specific to a given GIC implementation into its own
little structure.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
KVM: ARM: vgic: introduce vgic_enable 2014-07-11T11:57:33+00:00 Marc Zyngier marc.zyngier@arm.com 2013-06-04T10:36:38+00:00 da8dafd1777cdd93091207952297d221a88e6479 Move the code dealing with enabling the VGIC on to vgic_ops. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> 
Move the code dealing with enabling the VGIC on to vgic_ops.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
KVM: ARM: vgic: abstract VMCR access 2014-07-11T11:57:33+00:00 Marc Zyngier marc.zyngier@arm.com 2014-02-04T17:48:10+00:00 beee38b9d0c0ea6cf2a7f35c3108f7d8281d4545 Instead of directly messing with with the GICH_VMCR bits for the CPU interface save/restore code, add accessors that encode/decode the entire set of registers exposed by VMCR. Not the most efficient thing, but given that this code is only used by the save/restore code, performance is far from being critical. Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> 
Instead of directly messing with with the GICH_VMCR bits for the CPU
interface save/restore code, add accessors that encode/decode the
entire set of registers exposed by VMCR.

Not the most efficient thing, but given that this code is only used
by the save/restore code, performance is far from being critical.

Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
KVM: ARM: vgic: move underflow handling to vgic_ops 2014-07-11T11:57:33+00:00 Marc Zyngier marc.zyngier@arm.com 2013-06-04T10:24:17+00:00 909d9b5025f149af6cfc304a76ad6218e6622cc0 Move the code dealing with LR underflow handling to its own functions, and make them accessible through vgic_ops. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> 
Move the code dealing with LR underflow handling to its own functions,
and make them accessible through vgic_ops.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
KVM: ARM: vgic: abstract MISR decoding 2014-07-11T11:57:32+00:00 Marc Zyngier marc.zyngier@arm.com 2013-06-04T10:02:10+00:00 495dd859f304689a7cd5ef413c439cb090dc25e6 Instead of directly dealing with the GICH_MISR bits, move the code to its own function and use a couple of public flags to represent the actual state. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> 
Instead of directly dealing with the GICH_MISR bits, move the code to
its own function and use a couple of public flags to represent the
actual state.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
KVM: ARM: vgic: abstract EISR bitmap access 2014-07-11T11:57:32+00:00 Marc Zyngier marc.zyngier@arm.com 2013-06-04T09:33:43+00:00 8d6a0313c125c3c7b208b75695fe6ab00afab4c5 Move the GICH_EISR access to its own function. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> 
Move the GICH_EISR access to its own function.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>