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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Fri, 14 Jun 2019 16:44:34 +0100 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x5EFiWeH37814290 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 14 Jun 2019 15:44:32 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 51E1111C05B; Fri, 14 Jun 2019 15:44:32 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id CD76111C052; Fri, 14 Jun 2019 15:44:30 +0000 (GMT) Received: from naverao1-tp.ibmuc.com (unknown [9.85.70.176]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 14 Jun 2019 15:44:30 +0000 (GMT) From: "Naveen N. Rao" To: Michael Ellerman Subject: [PATCH v2 6/9] powerpc/pseries: Move mm/book3s64/vphn.c under platforms/pseries/ Date: Fri, 14 Jun 2019 21:14:04 +0530 X-Mailer: git-send-email 2.21.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 x-cbid: 19061415-4275-0000-0000-000003425D1B X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19061415-4276-0000-0000-000038527B42 Message-Id: <02f345abb8bc1ff686c7a4bed32233b7d71abb7b.1560526066.git.naveen.n.rao@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-06-14_07:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1906140130 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nathan Lynch , "Aneesh Kumar K.V" , Mingming Cao , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" hcall_vphn() is specific to pseries and will be used in a subsequent patch. So, move it to a more appropriate place under arch/powerpc/platforms/pseries. Also merge vphn.h into plpar_wrappers.h Signed-off-by: Naveen N. Rao --- arch/powerpc/include/asm/plpar_wrappers.h | 19 +++++++++++++++ arch/powerpc/mm/book3s64/Makefile | 1 - arch/powerpc/mm/book3s64/vphn.h | 24 ------------------- arch/powerpc/mm/numa.c | 13 +--------- arch/powerpc/platforms/pseries/Makefile | 1 + .../{mm/book3s64 => platforms/pseries}/vphn.c | 16 +++++++++++-- 6 files changed, 35 insertions(+), 39 deletions(-) delete mode 100644 arch/powerpc/mm/book3s64/vphn.h rename arch/powerpc/{mm/book3s64 => platforms/pseries}/vphn.c (83%) diff --git a/arch/powerpc/include/asm/plpar_wrappers.h b/arch/powerpc/include/asm/plpar_wrappers.h index ab7dd454b6eb..5f72f1fa4f81 100644 --- a/arch/powerpc/include/asm/plpar_wrappers.h +++ b/arch/powerpc/include/asm/plpar_wrappers.h @@ -11,6 +11,25 @@ #include #include +/* The H_HOME_NODE_ASSOCIATIVITY h_call returns 6 64-bit registers. */ +#define VPHN_REGISTER_COUNT 6 + +/* + * 6 64-bit registers unpacked into up to 24 be32 associativity values. To + * form the complete property we have to add the length in the first cell. + */ +#define VPHN_ASSOC_BUFSIZE (VPHN_REGISTER_COUNT*sizeof(u64)/sizeof(u16) + 1) + +/* + * The H_HOME_NODE_ASSOCIATIVITY hcall takes two values for flags: + * 1 for retrieving associativity information for a guest cpu + * 2 for retrieving associativity information for a host/hypervisor cpu + */ +#define VPHN_FLAG_VCPU 1 +#define VPHN_FLAG_PCPU 2 + +long hcall_vphn(unsigned long cpu, u64 flags, __be32 *associativity); + static inline long poll_pending(void) { return plpar_hcall_norets(H_POLL_PENDING); diff --git a/arch/powerpc/mm/book3s64/Makefile b/arch/powerpc/mm/book3s64/Makefile index 974b4fc19f4f..fd393b8be14f 100644 --- a/arch/powerpc/mm/book3s64/Makefile +++ b/arch/powerpc/mm/book3s64/Makefile @@ -10,7 +10,6 @@ obj-$(CONFIG_PPC_NATIVE) += hash_native.o obj-$(CONFIG_PPC_RADIX_MMU) += radix_pgtable.o radix_tlb.o obj-$(CONFIG_PPC_4K_PAGES) += hash_4k.o obj-$(CONFIG_PPC_64K_PAGES) += hash_64k.o -obj-$(CONFIG_PPC_SPLPAR) += vphn.o obj-$(CONFIG_HUGETLB_PAGE) += hash_hugetlbpage.o ifdef CONFIG_HUGETLB_PAGE obj-$(CONFIG_PPC_RADIX_MMU) += radix_hugetlbpage.o diff --git a/arch/powerpc/mm/book3s64/vphn.h b/arch/powerpc/mm/book3s64/vphn.h deleted file mode 100644 index f7ff1e0c3801..000000000000 --- a/arch/powerpc/mm/book3s64/vphn.h +++ /dev/null @@ -1,24 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ARCH_POWERPC_MM_VPHN_H_ -#define _ARCH_POWERPC_MM_VPHN_H_ - -/* The H_HOME_NODE_ASSOCIATIVITY h_call returns 6 64-bit registers. */ -#define VPHN_REGISTER_COUNT 6 - -/* - * 6 64-bit registers unpacked into up to 24 be32 associativity values. To - * form the complete property we have to add the length in the first cell. - */ -#define VPHN_ASSOC_BUFSIZE (VPHN_REGISTER_COUNT*sizeof(u64)/sizeof(u16) + 1) - -/* - * The H_HOME_NODE_ASSOCIATIVITY hcall takes two values for flags: - * 1 for retrieving associativity information for a guest cpu - * 2 for retrieving associativity information for a host/hypervisor cpu - */ -#define VPHN_FLAG_VCPU 1 -#define VPHN_FLAG_PCPU 2 - -extern int vphn_unpack_associativity(const long *packed, __be32 *unpacked); - -#endif diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 42ea79514420..5027c9cfe56a 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -1064,7 +1064,7 @@ u64 memory_hotplug_max(void) /* Virtual Processor Home Node (VPHN) support */ #ifdef CONFIG_PPC_SPLPAR -#include "book3s64/vphn.h" +#include struct topology_update_data { struct topology_update_data *next; @@ -1083,17 +1083,6 @@ static void reset_topology_timer(void); static int topology_timer_secs = 1; static int topology_inited; -static long hcall_vphn(unsigned long cpu, u64 flags, __be32 *associativity) -{ - long rc; - long retbuf[PLPAR_HCALL9_BUFSIZE] = {0}; - - rc = plpar_hcall9(H_HOME_NODE_ASSOCIATIVITY, retbuf, flags, cpu); - vphn_unpack_associativity(retbuf, associativity); - - return rc; -} - /* * Change polling interval for associativity changes. */ diff --git a/arch/powerpc/platforms/pseries/Makefile b/arch/powerpc/platforms/pseries/Makefile index a43ec843c8e2..ab3d59aeacca 100644 --- a/arch/powerpc/platforms/pseries/Makefile +++ b/arch/powerpc/platforms/pseries/Makefile @@ -25,6 +25,7 @@ obj-$(CONFIG_LPARCFG) += lparcfg.o obj-$(CONFIG_IBMVIO) += vio.o obj-$(CONFIG_IBMEBUS) += ibmebus.o obj-$(CONFIG_PAPR_SCM) += papr_scm.o +obj-$(CONFIG_PPC_SPLPAR) += vphn.o ifdef CONFIG_PPC_PSERIES obj-$(CONFIG_SUSPEND) += suspend.o diff --git a/arch/powerpc/mm/book3s64/vphn.c b/arch/powerpc/platforms/pseries/vphn.c similarity index 83% rename from arch/powerpc/mm/book3s64/vphn.c rename to arch/powerpc/platforms/pseries/vphn.c index 0ee7734afb50..6bbed333e4f2 100644 --- a/arch/powerpc/mm/book3s64/vphn.c +++ b/arch/powerpc/platforms/pseries/vphn.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 +#include #include -#include "vphn.h" +#include /* * The associativity domain numbers are returned from the hypervisor as a @@ -22,7 +23,7 @@ * * Convert to the sequence they would appear in the ibm,associativity property. */ -int vphn_unpack_associativity(const long *packed, __be32 *unpacked) +static int vphn_unpack_associativity(const long *packed, __be32 *unpacked) { __be64 be_packed[VPHN_REGISTER_COUNT]; int i, nr_assoc_doms = 0; @@ -71,3 +72,14 @@ int vphn_unpack_associativity(const long *packed, __be32 *unpacked) return nr_assoc_doms; } + +long hcall_vphn(unsigned long cpu, u64 flags, __be32 *associativity) +{ + long rc; + long retbuf[PLPAR_HCALL9_BUFSIZE] = {0}; + + rc = plpar_hcall9(H_HOME_NODE_ASSOCIATIVITY, retbuf, flags, cpu); + vphn_unpack_associativity(retbuf, associativity); + + return rc; +} -- 2.21.0