linux-kernel - [PATCH v3 12/27] powerpc/powernv/pmem: Add register addresses & status values to the header

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Date:   Fri, 21 Feb 2020 14:27:05 +1100
From:   "Alastair D'Silva" <alastair@....ibm.com>
To:     alastair@...ilva.org
Cc:     "Aneesh Kumar K . V" <aneesh.kumar@...ux.ibm.com>,
        "Oliver O'Halloran" <oohall@...il.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Frederic Barrat <fbarrat@...ux.ibm.com>,
        Andrew Donnellan <ajd@...ux.ibm.com>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Ira Weiny <ira.weiny@...el.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Rob Herring <robh@...nel.org>,
        Anton Blanchard <anton@...abs.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Mahesh Salgaonkar <mahesh@...ux.vnet.ibm.com>,
        Madhavan Srinivasan <maddy@...ux.vnet.ibm.com>,
        Cédric Le Goater <clg@...d.org>,
        Anju T Sudhakar <anju@...ux.vnet.ibm.com>,
        Hari Bathini <hbathini@...ux.ibm.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Greg Kurz <groug@...d.org>,
        Nicholas Piggin <npiggin@...il.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Alexey Kardashevskiy <aik@...abs.ru>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-nvdimm@...ts.01.org, linux-mm@...ck.org
Subject: [PATCH v3 12/27] powerpc/powernv/pmem: Add register addresses & status values to the header

From: Alastair D'Silva <alastair@...ilva.org>

These values have been taken from the device specifications.

Signed-off-by: Alastair D'Silva <alastair@...ilva.org>
---
 .../platforms/powernv/pmem/ocxl_internal.h    | 72 +++++++++++++++++++
 1 file changed, 72 insertions(+)

diff --git a/arch/powerpc/platforms/powernv/pmem/ocxl_internal.h b/arch/powerpc/platforms/powernv/pmem/ocxl_internal.h
index 0faf3740e9b8..9cf3e42750e7 100644
--- a/arch/powerpc/platforms/powernv/pmem/ocxl_internal.h
+++ b/arch/powerpc/platforms/powernv/pmem/ocxl_internal.h
@@ -8,6 +8,78 @@
 
 #define LABEL_AREA_SIZE	(1UL << PA_SECTION_SHIFT)
 
+#define GLOBAL_MMIO_CHI		0x000
+#define GLOBAL_MMIO_CHIC	0x008
+#define GLOBAL_MMIO_CHIE	0x010
+#define GLOBAL_MMIO_CHIEC	0x018
+#define GLOBAL_MMIO_HCI		0x020
+#define GLOBAL_MMIO_HCIC	0x028
+#define GLOBAL_MMIO_IMA0_OHP	0x040
+#define GLOBAL_MMIO_IMA0_CFP	0x048
+#define GLOBAL_MMIO_IMA1_OHP	0x050
+#define GLOBAL_MMIO_IMA1_CFP	0x058
+#define GLOBAL_MMIO_ACMA_CREQO	0x100
+#define GLOBAL_MMIO_ACMA_CRSPO	0x104
+#define GLOBAL_MMIO_ACMA_CDBO	0x108
+#define GLOBAL_MMIO_ACMA_CDBS	0x10c
+#define GLOBAL_MMIO_NSCMA_CREQO	0x120
+#define GLOBAL_MMIO_NSCMA_CRSPO	0x124
+#define GLOBAL_MMIO_NSCMA_CDBO	0x128
+#define GLOBAL_MMIO_NSCMA_CDBS	0x12c
+#define GLOBAL_MMIO_CSTS	0x140
+#define GLOBAL_MMIO_FWVER	0x148
+#define GLOBAL_MMIO_CCAP0	0x160
+#define GLOBAL_MMIO_CCAP1	0x168
+
+#define GLOBAL_MMIO_CHI_ACRA	BIT_ULL(0)
+#define GLOBAL_MMIO_CHI_NSCRA	BIT_ULL(1)
+#define GLOBAL_MMIO_CHI_CRDY	BIT_ULL(4)
+#define GLOBAL_MMIO_CHI_CFFS	BIT_ULL(5)
+#define GLOBAL_MMIO_CHI_MA	BIT_ULL(6)
+#define GLOBAL_MMIO_CHI_ELA	BIT_ULL(7)
+#define GLOBAL_MMIO_CHI_CDA	BIT_ULL(8)
+#define GLOBAL_MMIO_CHI_CHFS	BIT_ULL(9)
+
+#define GLOBAL_MMIO_CHI_ALL	(GLOBAL_MMIO_CHI_ACRA | \
+				 GLOBAL_MMIO_CHI_NSCRA | \
+				 GLOBAL_MMIO_CHI_CRDY | \
+				 GLOBAL_MMIO_CHI_CFFS | \
+				 GLOBAL_MMIO_CHI_MA | \
+				 GLOBAL_MMIO_CHI_ELA | \
+				 GLOBAL_MMIO_CHI_CDA | \
+				 GLOBAL_MMIO_CHI_CHFS)
+
+#define GLOBAL_MMIO_HCI_ACRW				BIT_ULL(0)
+#define GLOBAL_MMIO_HCI_NSCRW				BIT_ULL(1)
+#define GLOBAL_MMIO_HCI_AFU_RESET			BIT_ULL(2)
+#define GLOBAL_MMIO_HCI_FW_DEBUG			BIT_ULL(3)
+#define GLOBAL_MMIO_HCI_CONTROLLER_DUMP			BIT_ULL(4)
+#define GLOBAL_MMIO_HCI_CONTROLLER_DUMP_COLLECTED	BIT_ULL(5)
+#define GLOBAL_MMIO_HCI_REQ_HEALTH_PERF			BIT_ULL(6)
+
+#define ADMIN_COMMAND_HEARTBEAT		0x00u
+#define ADMIN_COMMAND_SHUTDOWN		0x01u
+#define ADMIN_COMMAND_FW_UPDATE		0x02u
+#define ADMIN_COMMAND_FW_DEBUG		0x03u
+#define ADMIN_COMMAND_ERRLOG		0x04u
+#define ADMIN_COMMAND_SMART		0x05u
+#define ADMIN_COMMAND_CONTROLLER_STATS	0x06u
+#define ADMIN_COMMAND_CONTROLLER_DUMP	0x07u
+#define ADMIN_COMMAND_CMD_CAPS		0x08u
+#define ADMIN_COMMAND_MAX		0x08u
+
+#define STATUS_SUCCESS		0x00
+#define STATUS_MEM_UNAVAILABLE	0x20
+#define STATUS_BAD_OPCODE	0x50
+#define STATUS_BAD_REQUEST_PARM	0x51
+#define STATUS_BAD_DATA_PARM	0x52
+#define STATUS_DEBUG_BLOCKED	0x70
+#define STATUS_FAIL		0xFF
+
+#define STATUS_FW_UPDATE_BLOCKED 0x21
+#define STATUS_FW_ARG_INVALID	0x51
+#define STATUS_FW_INVALID	0x52
+
 struct ocxlpmem_function0 {
 	struct pci_dev *pdev;
 	struct ocxl_fn *ocxl_fn;
-- 
2.24.1