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From: Drew Fustini <dfustini@baylibre.com>
To: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
	"Palmer Dabbelt" <palmer@dabbelt.com>,
	"Paul Walmsley" <paul.walmsley@sifive.com>,
	"Conor Dooley" <conor.dooley@microchip.com>,
	"Ved Shanbhogue" <ved@rivosinc.com>,
	"Kornel Dulęba" <mindal@semihalf.com>,
	"Adrien Ricciardi" <aricciardi@baylibre.com>,
	"Nicolas Pitre" <npitre@baylibre.com>,
	"Fenghua Yu" <fenghua.yu@intel.com>,
	"Reinette Chatre" <reinette.chatre@intel.com>,
	"Babu Moger" <babu.moger@amd.com>,
	"Peter Newman" <peternewman@google.com>,
	x86@kernel.org, "Rob Herring" <robh+dt@kernel.org>,
	"James Morse" <james.morse@arm.com>
Cc: Drew Fustini <dfustini@baylibre.com>
Subject: [RFC PATCH 06/21] RISC-V: QoS: define CBQRI resctrl resources and domains
Date: Wed, 19 Apr 2023 04:10:56 -0700	[thread overview]
Message-ID: <20230419111111.477118-7-dfustini@baylibre.com> (raw)
In-Reply-To: <20230419111111.477118-1-dfustini@baylibre.com>

Define data structures to encapsulate the resctrl resource
and domain structures.

Co-developed-by: Adrien Ricciardi <aricciardi@baylibre.com>
Signed-off-by: Adrien Ricciardi <aricciardi@baylibre.com>
Signed-off-by: Drew Fustini <dfustini@baylibre.com>
---
 arch/riscv/kernel/qos/internal.h | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/arch/riscv/kernel/qos/internal.h b/arch/riscv/kernel/qos/internal.h
index e07d7f92e206..a3ed98ce5dd6 100644
--- a/arch/riscv/kernel/qos/internal.h
+++ b/arch/riscv/kernel/qos/internal.h
@@ -65,6 +65,11 @@
 #define CBQRI_BC_ALLOC_CTL_OP_READ_LIMIT   2
 #define CBQRI_BC_ALLOC_CTL_STATUS_SUCCESS  1
 
+int qos_resctrl_setup(void);
+void qos_resctrl_exit(void);
+int qos_resctrl_online_cpu(unsigned int cpu);
+int qos_resctrl_offline_cpu(unsigned int cpu);
+
 /* Capacity Controller hardware capabilities */
 /* from qemu/include/hw/riscv/cbqri.h */
 struct riscv_cbqri_capacity_caps {
@@ -127,4 +132,26 @@ struct cbqri_controller {
 	bool mon_capable;
 };
 
+struct cbqri_resctrl_res {
+	struct rdt_resource     resctrl_res;
+	struct cbqri_controller controller;
+	u32 max_rcid;
+	u32 max_mcid;
+};
+
+struct cbqri_resctrl_dom {
+	struct rdt_domain       resctrl_dom;
+	// NCBLKS is 16 bit which is 2^16 = 65536
+	// If each bit is a block, then cc_block_mask could 1024 times 64 byte
+	u64 cbm;
+	u64 rbwb;
+	u64 *ctrl_val;
+	struct cbqri_controller *hw_ctrl;
+};
+
+struct cbqri_config {
+	u64 cbm; /* capacity block mask */
+	u64 rbwb; /* reserved bandwidth blocks */
+};
+
 #endif /* _ASM_RISCV_QOS_INTERNAL_H */
-- 
2.34.1


  parent reply	other threads:[~2023-04-19 11:11 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-19 11:10 [RFC PATCH 00/21] RISC-V: QoS: add CBQRI resctrl interface Drew Fustini
2023-04-19 11:10 ` [RFC PATCH 01/21] RISC-V: Detect the Ssqosid extension Drew Fustini
2023-04-19 11:10 ` [RFC PATCH 02/21] RISC-V: Add support for sqoscfg CSR Drew Fustini
2023-04-19 11:10 ` [RFC PATCH 03/21] RISC-V: QoS: define properties of CBQRI controllers Drew Fustini
2023-04-19 11:10 ` [RFC PATCH 04/21] RISC-V: QoS: define CBQRI capacity and bandwidth capabilities Drew Fustini
2023-04-19 11:10 ` [RFC PATCH 05/21] RISC-V: QoS: define prototypes for resctrl interface Drew Fustini
2023-04-19 11:10 ` Drew Fustini [this message]
2023-04-19 11:10 ` [RFC PATCH 07/21] RISC-V: QoS: add resctrl interface for CBQRI controllers Drew Fustini
2023-04-19 11:10 ` [RFC PATCH 08/21] RISC-V: QoS: expose implementation to resctrl Drew Fustini
2023-04-19 11:10 ` [RFC PATCH 09/21] RISC-V: QoS: add late_initcall to setup resctrl interface Drew Fustini
2023-04-19 11:11 ` [RFC PATCH 10/21] RISC-V: QoS: make CONFIG_RISCV_ISA_SSQOSID select resctrl Drew Fustini
2023-04-19 11:11 ` [RFC PATCH 11/21] RISC-V: QoS: add to build when CONFIG_RISCV_ISA_SSQOSID set Drew Fustini
2023-04-19 11:11 ` [RFC PATCH 12/21] dt-bindings: riscv: add riscv,cbqri bindings Drew Fustini
2023-04-19 11:11 ` [RFC PATCH 13/21] DO_NOT_MERGE dt-bindings: add foobar vendor-prefix Drew Fustini
2023-04-19 11:11 ` [RFC PATCH 14/21] DO_NOT_MERGE dt-bindings: soc: add Foobar SoC cache controller Drew Fustini
2023-04-19 11:11 ` [RFC PATCH 15/21] DO_NOT_MERGE dt-bindings: soc: add Foobar SoC memory controller Drew Fustini
2023-04-19 11:11 ` [RFC PATCH 16/21] DO_NOT_MERGE soc: add Foobar SoC cache controller driver Drew Fustini
2023-04-19 11:11 ` [RFC PATCH 17/21] DO_NOT_MERGE soc: add Foobar SoC memory " Drew Fustini
2023-04-19 11:11 ` [RFC PATCH 18/21] DO_NOT_MERGE soc: build Foobar SoC drivers Drew Fustini
2023-04-19 11:11 ` [RFC PATCH 19/21] DO_NOT_MERGE riscv: dts: qemu: add dump from riscv-cbqri-rfc Drew Fustini
2023-04-19 11:11 ` [RFC PATCH 20/21] DO_NOT_MERGE riscv: dts: qemu: add cbqri-capable controllers Drew Fustini
2023-04-19 11:11 ` [RFC PATCH 21/21] DO_NOT_MERGE riscv: dts: build qemu virt device tree Drew Fustini

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