From: "Cédric Le Goater" <clg@kaod.org> To: kvm-ppc@vger.kernel.org Cc: kvm@vger.kernel.org, "Paul Mackerras" <paulus@samba.org>, "Cédric Le Goater" <clg@kaod.org>, linuxppc-dev@lists.ozlabs.org, "David Gibson" <david@gibson.dropbear.id.au> Subject: [PATCH v2 08/16] KVM: PPC: Book3S HV: XIVE: add a control to sync the sources Date: Fri, 22 Feb 2019 12:28:32 +0100 [thread overview] Message-ID: <20190222112840.25000-9-clg@kaod.org> (raw) In-Reply-To: <20190222112840.25000-1-clg@kaod.org> This control will be used by the H_INT_SYNC hcall from QEMU. Signed-off-by: Cédric Le Goater <clg@kaod.org> --- arch/powerpc/include/uapi/asm/kvm.h | 1 + arch/powerpc/kvm/book3s_xive_native.c | 34 ++++++++++++++++++++++ Documentation/virtual/kvm/devices/xive.txt | 9 ++++++ 3 files changed, 44 insertions(+) diff --git a/arch/powerpc/include/uapi/asm/kvm.h b/arch/powerpc/include/uapi/asm/kvm.h index 7ae8cb22af7d..289c504b7c1d 100644 --- a/arch/powerpc/include/uapi/asm/kvm.h +++ b/arch/powerpc/include/uapi/asm/kvm.h @@ -681,6 +681,7 @@ struct kvm_ppc_cpu_char { #define KVM_DEV_XIVE_GRP_SOURCE 2 /* 64-bit source attributes */ #define KVM_DEV_XIVE_GRP_SOURCE_CONFIG 3 /* 64-bit source attributes */ #define KVM_DEV_XIVE_GRP_EQ_CONFIG 4 /* 64-bit eq attributes */ +#define KVM_DEV_XIVE_GRP_SOURCE_SYNC 5 /* 64-bit source attributes */ /* Layout of 64-bit XIVE source attribute values */ #define KVM_XIVE_LEVEL_SENSITIVE (1ULL << 0) diff --git a/arch/powerpc/kvm/book3s_xive_native.c b/arch/powerpc/kvm/book3s_xive_native.c index bb3e121c918a..dd2a9d411fe7 100644 --- a/arch/powerpc/kvm/book3s_xive_native.c +++ b/arch/powerpc/kvm/book3s_xive_native.c @@ -341,6 +341,36 @@ static int kvmppc_xive_native_set_source_config(struct kvmppc_xive *xive, priority, eisn); } +static int kvmppc_xive_native_sync_source(struct kvmppc_xive *xive, + long irq, u64 addr) +{ + struct kvmppc_xive_src_block *sb; + struct kvmppc_xive_irq_state *state; + struct xive_irq_data *xd; + u32 hw_num; + u16 src; + + pr_devel("%s irq=0x%lx", __func__, irq); + + sb = kvmppc_xive_find_source(xive, irq, &src); + if (!sb) + return -ENOENT; + + state = &sb->irq_state[src]; + + if (!state->valid) + return -EINVAL; + + arch_spin_lock(&sb->lock); + + kvmppc_xive_select_irq(state, &hw_num, &xd); + xive_native_sync_source(hw_num); + + arch_spin_unlock(&sb->lock); + + return 0; +} + static int xive_native_validate_queue_size(u32 qsize) { switch (qsize) { @@ -631,6 +661,9 @@ static int kvmppc_xive_native_set_attr(struct kvm_device *dev, case KVM_DEV_XIVE_GRP_EQ_CONFIG: return kvmppc_xive_native_set_queue_config(xive, attr->attr, attr->addr); + case KVM_DEV_XIVE_GRP_SOURCE_SYNC: + return kvmppc_xive_native_sync_source(xive, attr->attr, + attr->addr); } return -ENXIO; } @@ -660,6 +693,7 @@ static int kvmppc_xive_native_has_attr(struct kvm_device *dev, break; case KVM_DEV_XIVE_GRP_SOURCE: case KVM_DEV_XIVE_GRP_SOURCE_CONFIG: + case KVM_DEV_XIVE_GRP_SOURCE_SYNC: if (attr->attr >= KVMPPC_XIVE_FIRST_IRQ && attr->attr < KVMPPC_XIVE_NR_IRQS) return 0; diff --git a/Documentation/virtual/kvm/devices/xive.txt b/Documentation/virtual/kvm/devices/xive.txt index f1d007f485a9..267634eae9e0 100644 --- a/Documentation/virtual/kvm/devices/xive.txt +++ b/Documentation/virtual/kvm/devices/xive.txt @@ -86,3 +86,12 @@ the legacy interrupt mode, referred as XICS (POWER7/8). -EFAULT: Invalid user pointer for attr->addr. -ENOMEM: Invalid queue address -EIO: Configuration of the underlying HW failed + + 5. KVM_DEV_XIVE_GRP_SOURCE_SYNC (write only) + Synchronize the source to flush event notification + Attributes: + Interrupt source number (64-bit) + Errors: + -ENOENT: Unknown source number + -EINVAL: Not initialized source number, invalid priority or + invalid CPU number. -- 2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: "Cédric Le Goater" <clg@kaod.org> To: kvm-ppc@vger.kernel.org Cc: kvm@vger.kernel.org, "Paul Mackerras" <paulus@samba.org>, "Cédric Le Goater" <clg@kaod.org>, linuxppc-dev@lists.ozlabs.org, "David Gibson" <david@gibson.dropbear.id.au> Subject: [PATCH v2 08/16] KVM: PPC: Book3S HV: XIVE: add a control to sync the sources Date: Fri, 22 Feb 2019 11:28:32 +0000 [thread overview] Message-ID: <20190222112840.25000-9-clg@kaod.org> (raw) In-Reply-To: <20190222112840.25000-1-clg@kaod.org> This control will be used by the H_INT_SYNC hcall from QEMU. Signed-off-by: Cédric Le Goater <clg@kaod.org> --- arch/powerpc/include/uapi/asm/kvm.h | 1 + arch/powerpc/kvm/book3s_xive_native.c | 34 ++++++++++++++++++++++ Documentation/virtual/kvm/devices/xive.txt | 9 ++++++ 3 files changed, 44 insertions(+) diff --git a/arch/powerpc/include/uapi/asm/kvm.h b/arch/powerpc/include/uapi/asm/kvm.h index 7ae8cb22af7d..289c504b7c1d 100644 --- a/arch/powerpc/include/uapi/asm/kvm.h +++ b/arch/powerpc/include/uapi/asm/kvm.h @@ -681,6 +681,7 @@ struct kvm_ppc_cpu_char { #define KVM_DEV_XIVE_GRP_SOURCE 2 /* 64-bit source attributes */ #define KVM_DEV_XIVE_GRP_SOURCE_CONFIG 3 /* 64-bit source attributes */ #define KVM_DEV_XIVE_GRP_EQ_CONFIG 4 /* 64-bit eq attributes */ +#define KVM_DEV_XIVE_GRP_SOURCE_SYNC 5 /* 64-bit source attributes */ /* Layout of 64-bit XIVE source attribute values */ #define KVM_XIVE_LEVEL_SENSITIVE (1ULL << 0) diff --git a/arch/powerpc/kvm/book3s_xive_native.c b/arch/powerpc/kvm/book3s_xive_native.c index bb3e121c918a..dd2a9d411fe7 100644 --- a/arch/powerpc/kvm/book3s_xive_native.c +++ b/arch/powerpc/kvm/book3s_xive_native.c @@ -341,6 +341,36 @@ static int kvmppc_xive_native_set_source_config(struct kvmppc_xive *xive, priority, eisn); } +static int kvmppc_xive_native_sync_source(struct kvmppc_xive *xive, + long irq, u64 addr) +{ + struct kvmppc_xive_src_block *sb; + struct kvmppc_xive_irq_state *state; + struct xive_irq_data *xd; + u32 hw_num; + u16 src; + + pr_devel("%s irq=0x%lx", __func__, irq); + + sb = kvmppc_xive_find_source(xive, irq, &src); + if (!sb) + return -ENOENT; + + state = &sb->irq_state[src]; + + if (!state->valid) + return -EINVAL; + + arch_spin_lock(&sb->lock); + + kvmppc_xive_select_irq(state, &hw_num, &xd); + xive_native_sync_source(hw_num); + + arch_spin_unlock(&sb->lock); + + return 0; +} + static int xive_native_validate_queue_size(u32 qsize) { switch (qsize) { @@ -631,6 +661,9 @@ static int kvmppc_xive_native_set_attr(struct kvm_device *dev, case KVM_DEV_XIVE_GRP_EQ_CONFIG: return kvmppc_xive_native_set_queue_config(xive, attr->attr, attr->addr); + case KVM_DEV_XIVE_GRP_SOURCE_SYNC: + return kvmppc_xive_native_sync_source(xive, attr->attr, + attr->addr); } return -ENXIO; } @@ -660,6 +693,7 @@ static int kvmppc_xive_native_has_attr(struct kvm_device *dev, break; case KVM_DEV_XIVE_GRP_SOURCE: case KVM_DEV_XIVE_GRP_SOURCE_CONFIG: + case KVM_DEV_XIVE_GRP_SOURCE_SYNC: if (attr->attr >= KVMPPC_XIVE_FIRST_IRQ && attr->attr < KVMPPC_XIVE_NR_IRQS) return 0; diff --git a/Documentation/virtual/kvm/devices/xive.txt b/Documentation/virtual/kvm/devices/xive.txt index f1d007f485a9..267634eae9e0 100644 --- a/Documentation/virtual/kvm/devices/xive.txt +++ b/Documentation/virtual/kvm/devices/xive.txt @@ -86,3 +86,12 @@ the legacy interrupt mode, referred as XICS (POWER7/8). -EFAULT: Invalid user pointer for attr->addr. -ENOMEM: Invalid queue address -EIO: Configuration of the underlying HW failed + + 5. KVM_DEV_XIVE_GRP_SOURCE_SYNC (write only) + Synchronize the source to flush event notification + Attributes: + Interrupt source number (64-bit) + Errors: + -ENOENT: Unknown source number + -EINVAL: Not initialized source number, invalid priority or + invalid CPU number. -- 2.20.1
next prev parent reply other threads:[~2019-02-22 11:28 UTC|newest] Thread overview: 142+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-02-22 11:28 [PATCH v2 00/16] KVM: PPC: Book3S HV: add XIVE native exploitation mode Cédric Le Goater 2019-02-22 11:28 ` Cédric Le Goater 2019-02-22 11:28 ` [PATCH v2 01/16] powerpc/xive: add OPAL extensions for the XIVE native exploitation support Cédric Le Goater 2019-02-22 11:28 ` Cédric Le Goater 2019-02-24 23:42 ` David Gibson 2019-02-24 23:42 ` David Gibson 2019-02-25 3:50 ` Michael Ellerman 2019-02-25 3:50 ` Michael Ellerman 2019-02-25 10:11 ` Cédric Le Goater 2019-02-25 10:11 ` Cédric Le Goater 2019-02-26 4:21 ` David Gibson 2019-02-26 4:21 ` David Gibson 2019-03-12 18:25 ` Cédric Le Goater 2019-03-12 18:25 ` Cédric Le Goater 2019-02-22 11:28 ` [PATCH v2 02/16] KVM: PPC: Book3S HV: add a new KVM device for the XIVE native exploitation mode Cédric Le Goater 2019-02-22 11:28 ` Cédric Le Goater 2019-02-25 0:08 ` David Gibson 2019-02-25 0:08 ` David Gibson 2019-03-12 11:14 ` Cédric Le Goater 2019-03-12 11:14 ` Cédric Le Goater 2019-02-22 11:28 ` [PATCH v2 03/16] KVM: PPC: Book3S HV: XIVE: introduce a new capability KVM_CAP_PPC_IRQ_XIVE Cédric Le Goater 2019-02-22 11:28 ` Cédric Le Goater 2019-02-25 0:35 ` David Gibson 2019-02-25 0:35 ` David Gibson 2019-02-25 4:59 ` Paul Mackerras 2019-02-25 4:59 ` Paul Mackerras 2019-03-12 14:10 ` Cédric Le Goater 2019-03-12 14:10 ` Cédric Le Goater 2019-03-12 14:03 ` Cédric Le Goater 2019-03-12 14:03 ` Cédric Le Goater 2019-03-13 4:05 ` David Gibson 2019-03-13 4:05 ` David Gibson 2019-02-25 4:35 ` Paul Mackerras 2019-02-25 4:35 ` Paul Mackerras 2019-03-13 8:34 ` Cédric Le Goater 2019-03-13 8:34 ` Cédric Le Goater 2019-03-14 2:29 ` David Gibson 2019-03-14 2:29 ` David Gibson 2019-02-22 11:28 ` [PATCH v2 04/16] KVM: PPC: Book3S HV: XIVE: add a control to initialize a source Cédric Le Goater 2019-02-22 11:28 ` Cédric Le Goater 2019-02-25 2:10 ` David Gibson 2019-02-25 2:10 ` David Gibson 2019-02-26 4:25 ` Paul Mackerras 2019-02-26 4:25 ` Paul Mackerras 2019-02-26 23:20 ` David Gibson 2019-02-26 23:20 ` David Gibson 2019-03-12 15:19 ` Cédric Le Goater 2019-03-12 15:19 ` Cédric Le Goater 2019-03-14 2:15 ` David Gibson 2019-03-14 2:15 ` David Gibson 2019-02-25 5:30 ` Paul Mackerras 2019-02-25 5:30 ` Paul Mackerras 2019-02-22 11:28 ` [PATCH v2 05/16] KVM: PPC: Book3S HV: XIVE: add a control to configure " Cédric Le Goater 2019-02-22 11:28 ` Cédric Le Goater 2019-02-25 2:21 ` David Gibson 2019-02-25 2:21 ` David Gibson 2019-02-22 11:28 ` [PATCH v2 06/16] KVM: PPC: Book3S HV: XIVE: add controls for the EQ configuration Cédric Le Goater 2019-02-22 11:28 ` Cédric Le Goater 2019-02-25 2:39 ` David Gibson 2019-02-25 2:39 ` David Gibson 2019-03-12 17:00 ` Cédric Le Goater 2019-03-12 17:00 ` Cédric Le Goater 2019-03-13 4:03 ` David Gibson 2019-03-13 4:03 ` David Gibson 2019-03-13 8:46 ` Cédric Le Goater 2019-03-13 8:46 ` Cédric Le Goater 2019-03-14 3:29 ` David Gibson 2019-03-14 3:29 ` David Gibson 2019-02-26 5:24 ` Paul Mackerras 2019-02-26 5:24 ` Paul Mackerras 2019-03-13 9:40 ` Cédric Le Goater 2019-03-13 9:40 ` Cédric Le Goater 2019-03-14 2:32 ` David Gibson 2019-03-14 2:32 ` David Gibson 2019-03-14 7:11 ` Cédric Le Goater 2019-03-14 7:11 ` Cédric Le Goater 2019-03-15 0:29 ` David Gibson 2019-03-15 0:29 ` David Gibson 2019-02-22 11:28 ` [PATCH v2 07/16] KVM: PPC: Book3S HV: XIVE: add a global reset control Cédric Le Goater 2019-02-22 11:28 ` Cédric Le Goater 2019-02-25 2:43 ` David Gibson 2019-02-25 2:43 ` David Gibson 2019-02-22 11:28 ` Cédric Le Goater [this message] 2019-02-22 11:28 ` [PATCH v2 08/16] KVM: PPC: Book3S HV: XIVE: add a control to sync the sources Cédric Le Goater 2019-02-25 2:45 ` David Gibson 2019-02-25 2:45 ` David Gibson 2019-02-22 11:28 ` [PATCH v2 09/16] KVM: PPC: Book3S HV: XIVE: add a control to dirty the XIVE EQ pages Cédric Le Goater 2019-02-22 11:28 ` Cédric Le Goater 2019-02-25 2:53 ` David Gibson 2019-02-25 2:53 ` David Gibson 2019-03-13 11:48 ` Cédric Le Goater 2019-03-13 11:48 ` Cédric Le Goater 2019-03-14 2:33 ` David Gibson 2019-03-14 2:33 ` David Gibson 2019-02-22 11:28 ` [PATCH v2 10/16] KVM: PPC: Book3S HV: XIVE: add get/set accessors for the VP XIVE state Cédric Le Goater 2019-02-22 11:28 ` Cédric Le Goater 2019-02-25 3:31 ` David Gibson 2019-02-25 3:31 ` David Gibson 2019-03-13 13:19 ` Cédric Le Goater 2019-03-13 13:19 ` Cédric Le Goater 2019-03-14 3:09 ` David Gibson 2019-03-14 3:09 ` David Gibson 2019-03-14 7:08 ` Cédric Le Goater 2019-03-14 7:08 ` Cédric Le Goater 2019-02-22 11:28 ` [PATCH v2 11/16] KVM: introduce a 'mmap' method for KVM devices Cédric Le Goater 2019-02-22 11:28 ` Cédric Le Goater 2019-02-25 3:33 ` David Gibson 2019-02-25 3:33 ` David Gibson 2019-02-25 10:57 ` Cédric Le Goater 2019-02-25 10:57 ` Cédric Le Goater 2019-02-26 12:52 ` Paolo Bonzini 2019-02-26 12:52 ` Paolo Bonzini 2019-02-26 23:22 ` David Gibson 2019-02-26 23:22 ` David Gibson 2019-02-22 11:28 ` [PATCH v2 12/16] KVM: PPC: Book3S HV: XIVE: add a TIMA mapping Cédric Le Goater 2019-02-22 11:28 ` Cédric Le Goater 2019-02-25 3:42 ` David Gibson 2019-02-25 3:42 ` David Gibson 2019-02-22 11:28 ` [PATCH v2 13/16] KVM: PPC: Book3S HV: XIVE: add a mapping for the source ESB pages Cédric Le Goater 2019-02-22 11:28 ` Cédric Le Goater 2019-02-25 3:47 ` David Gibson 2019-02-25 3:47 ` David Gibson 2019-02-22 11:28 ` [PATCH v2 14/16] KVM: PPC: Book3S HV: XIVE: add passthrough support Cédric Le Goater 2019-02-22 11:28 ` Cédric Le Goater 2019-02-25 4:13 ` David Gibson 2019-02-25 4:13 ` David Gibson 2019-02-22 11:28 ` [PATCH v2 15/16] KVM: introduce a KVM_DESTROY_DEVICE ioctl Cédric Le Goater 2019-02-22 11:28 ` Cédric Le Goater 2019-02-25 4:15 ` David Gibson 2019-02-25 4:15 ` David Gibson 2019-03-13 8:02 ` Cédric Le Goater 2019-03-13 8:02 ` Cédric Le Goater 2019-03-15 17:57 ` Paolo Bonzini 2019-03-15 17:57 ` Paolo Bonzini 2019-02-22 11:28 ` [PATCH v2 16/16] KVM: PPC: Book3S HV: XIVE: clear the vCPU interrupt presenters Cédric Le Goater 2019-02-22 11:28 ` Cédric Le Goater 2019-02-25 4:18 ` David Gibson 2019-02-25 4:18 ` David Gibson 2019-03-13 8:17 ` Cédric Le Goater 2019-03-13 8:17 ` Cédric Le Goater 2019-03-14 2:26 ` David Gibson 2019-03-14 2:26 ` David Gibson
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