From: Alex Williamson <alex.williamson@redhat.com> To: qemu-devel@nongnu.org Cc: alex.williamson@redhat.com, kvm@vger.kernel.org Subject: [RFC PATCH 1/5] vfio/quirks: Add common quirk alloc helper Date: Tue, 06 Feb 2018 17:26:15 -0700 [thread overview] Message-ID: <20180207002615.1156.74568.stgit@gimli.home> (raw) In-Reply-To: <20180207001615.1156.10547.stgit@gimli.home> This will later be used to include list initialization Signed-off-by: Alex Williamson <alex.williamson@redhat.com> --- hw/vfio/pci-quirks.c | 48 +++++++++++++++++++++--------------------------- 1 file changed, 21 insertions(+), 27 deletions(-) diff --git a/hw/vfio/pci-quirks.c b/hw/vfio/pci-quirks.c index e5779a7ad35b..10af23217292 100644 --- a/hw/vfio/pci-quirks.c +++ b/hw/vfio/pci-quirks.c @@ -275,6 +275,15 @@ static const MemoryRegionOps vfio_ati_3c3_quirk = { .endianness = DEVICE_LITTLE_ENDIAN, }; +static VFIOQuirk *vfio_quirk_alloc(int nr_mem) +{ + VFIOQuirk *quirk = g_malloc0(sizeof(*quirk)); + quirk->mem = g_new0(MemoryRegion, nr_mem); + quirk->nr_mem = nr_mem; + + return quirk; +} + static void vfio_vga_probe_ati_3c3_quirk(VFIOPCIDevice *vdev) { VFIOQuirk *quirk; @@ -288,9 +297,7 @@ static void vfio_vga_probe_ati_3c3_quirk(VFIOPCIDevice *vdev) return; } - quirk = g_malloc0(sizeof(*quirk)); - quirk->mem = g_new0(MemoryRegion, 1); - quirk->nr_mem = 1; + quirk = vfio_quirk_alloc(1); memory_region_init_io(quirk->mem, OBJECT(vdev), &vfio_ati_3c3_quirk, vdev, "vfio-ati-3c3-quirk", 1); @@ -323,9 +330,7 @@ static void vfio_probe_ati_bar4_quirk(VFIOPCIDevice *vdev, int nr) return; } - quirk = g_malloc0(sizeof(*quirk)); - quirk->mem = g_new0(MemoryRegion, 2); - quirk->nr_mem = 2; + quirk = vfio_quirk_alloc(2); window = quirk->data = g_malloc0(sizeof(*window) + sizeof(VFIOConfigWindowMatch)); window->vdev = vdev; @@ -371,10 +376,9 @@ static void vfio_probe_ati_bar2_quirk(VFIOPCIDevice *vdev, int nr) return; } - quirk = g_malloc0(sizeof(*quirk)); + quirk = vfio_quirk_alloc(1); mirror = quirk->data = g_malloc0(sizeof(*mirror)); - mirror->mem = quirk->mem = g_new0(MemoryRegion, 1); - quirk->nr_mem = 1; + mirror->mem = quirk->mem; mirror->vdev = vdev; mirror->offset = 0x4000; mirror->bar = nr; @@ -548,10 +552,8 @@ static void vfio_vga_probe_nvidia_3d0_quirk(VFIOPCIDevice *vdev) return; } - quirk = g_malloc0(sizeof(*quirk)); + quirk = vfio_quirk_alloc(2); quirk->data = data = g_malloc0(sizeof(*data)); - quirk->mem = g_new0(MemoryRegion, 2); - quirk->nr_mem = 2; data->vdev = vdev; memory_region_init_io(&quirk->mem[0], OBJECT(vdev), &vfio_nvidia_3d4_quirk, @@ -667,9 +669,7 @@ static void vfio_probe_nvidia_bar5_quirk(VFIOPCIDevice *vdev, int nr) return; } - quirk = g_malloc0(sizeof(*quirk)); - quirk->mem = g_new0(MemoryRegion, 4); - quirk->nr_mem = 4; + quirk = vfio_quirk_alloc(4); bar5 = quirk->data = g_malloc0(sizeof(*bar5) + (sizeof(VFIOConfigWindowMatch) * 2)); window = &bar5->window; @@ -762,10 +762,9 @@ static void vfio_probe_nvidia_bar0_quirk(VFIOPCIDevice *vdev, int nr) return; } - quirk = g_malloc0(sizeof(*quirk)); + quirk = vfio_quirk_alloc(1); mirror = quirk->data = g_malloc0(sizeof(*mirror)); - mirror->mem = quirk->mem = g_new0(MemoryRegion, 1); - quirk->nr_mem = 1; + mirror->mem = quirk->mem; mirror->vdev = vdev; mirror->offset = 0x88000; mirror->bar = nr; @@ -781,10 +780,9 @@ static void vfio_probe_nvidia_bar0_quirk(VFIOPCIDevice *vdev, int nr) /* The 0x1800 offset mirror only seems to get used by legacy VGA */ if (vdev->vga) { - quirk = g_malloc0(sizeof(*quirk)); + quirk = vfio_quirk_alloc(1); mirror = quirk->data = g_malloc0(sizeof(*mirror)); - mirror->mem = quirk->mem = g_new0(MemoryRegion, 1); - quirk->nr_mem = 1; + mirror->mem = quirk->mem; mirror->vdev = vdev; mirror->offset = 0x1800; mirror->bar = nr; @@ -945,9 +943,7 @@ static void vfio_probe_rtl8168_bar2_quirk(VFIOPCIDevice *vdev, int nr) return; } - quirk = g_malloc0(sizeof(*quirk)); - quirk->mem = g_new0(MemoryRegion, 2); - quirk->nr_mem = 2; + quirk = vfio_quirk_alloc(2); quirk->data = rtl = g_malloc0(sizeof(*rtl)); rtl->vdev = vdev; @@ -1507,9 +1503,7 @@ static void vfio_probe_igd_bar4_quirk(VFIOPCIDevice *vdev, int nr) } /* Setup our quirk to munge GTT addresses to the VM allocated buffer */ - quirk = g_malloc0(sizeof(*quirk)); - quirk->mem = g_new0(MemoryRegion, 2); - quirk->nr_mem = 2; + quirk = vfio_quirk_alloc(2); igd = quirk->data = g_malloc0(sizeof(*igd)); igd->vdev = vdev; igd->index = ~0;
WARNING: multiple messages have this Message-ID (diff)
From: Alex Williamson <alex.williamson@redhat.com> To: qemu-devel@nongnu.org Cc: alex.williamson@redhat.com, kvm@vger.kernel.org Subject: [Qemu-devel] [RFC PATCH 1/5] vfio/quirks: Add common quirk alloc helper Date: Tue, 06 Feb 2018 17:26:15 -0700 [thread overview] Message-ID: <20180207002615.1156.74568.stgit@gimli.home> (raw) In-Reply-To: <20180207001615.1156.10547.stgit@gimli.home> This will later be used to include list initialization Signed-off-by: Alex Williamson <alex.williamson@redhat.com> --- hw/vfio/pci-quirks.c | 48 +++++++++++++++++++++--------------------------- 1 file changed, 21 insertions(+), 27 deletions(-) diff --git a/hw/vfio/pci-quirks.c b/hw/vfio/pci-quirks.c index e5779a7ad35b..10af23217292 100644 --- a/hw/vfio/pci-quirks.c +++ b/hw/vfio/pci-quirks.c @@ -275,6 +275,15 @@ static const MemoryRegionOps vfio_ati_3c3_quirk = { .endianness = DEVICE_LITTLE_ENDIAN, }; +static VFIOQuirk *vfio_quirk_alloc(int nr_mem) +{ + VFIOQuirk *quirk = g_malloc0(sizeof(*quirk)); + quirk->mem = g_new0(MemoryRegion, nr_mem); + quirk->nr_mem = nr_mem; + + return quirk; +} + static void vfio_vga_probe_ati_3c3_quirk(VFIOPCIDevice *vdev) { VFIOQuirk *quirk; @@ -288,9 +297,7 @@ static void vfio_vga_probe_ati_3c3_quirk(VFIOPCIDevice *vdev) return; } - quirk = g_malloc0(sizeof(*quirk)); - quirk->mem = g_new0(MemoryRegion, 1); - quirk->nr_mem = 1; + quirk = vfio_quirk_alloc(1); memory_region_init_io(quirk->mem, OBJECT(vdev), &vfio_ati_3c3_quirk, vdev, "vfio-ati-3c3-quirk", 1); @@ -323,9 +330,7 @@ static void vfio_probe_ati_bar4_quirk(VFIOPCIDevice *vdev, int nr) return; } - quirk = g_malloc0(sizeof(*quirk)); - quirk->mem = g_new0(MemoryRegion, 2); - quirk->nr_mem = 2; + quirk = vfio_quirk_alloc(2); window = quirk->data = g_malloc0(sizeof(*window) + sizeof(VFIOConfigWindowMatch)); window->vdev = vdev; @@ -371,10 +376,9 @@ static void vfio_probe_ati_bar2_quirk(VFIOPCIDevice *vdev, int nr) return; } - quirk = g_malloc0(sizeof(*quirk)); + quirk = vfio_quirk_alloc(1); mirror = quirk->data = g_malloc0(sizeof(*mirror)); - mirror->mem = quirk->mem = g_new0(MemoryRegion, 1); - quirk->nr_mem = 1; + mirror->mem = quirk->mem; mirror->vdev = vdev; mirror->offset = 0x4000; mirror->bar = nr; @@ -548,10 +552,8 @@ static void vfio_vga_probe_nvidia_3d0_quirk(VFIOPCIDevice *vdev) return; } - quirk = g_malloc0(sizeof(*quirk)); + quirk = vfio_quirk_alloc(2); quirk->data = data = g_malloc0(sizeof(*data)); - quirk->mem = g_new0(MemoryRegion, 2); - quirk->nr_mem = 2; data->vdev = vdev; memory_region_init_io(&quirk->mem[0], OBJECT(vdev), &vfio_nvidia_3d4_quirk, @@ -667,9 +669,7 @@ static void vfio_probe_nvidia_bar5_quirk(VFIOPCIDevice *vdev, int nr) return; } - quirk = g_malloc0(sizeof(*quirk)); - quirk->mem = g_new0(MemoryRegion, 4); - quirk->nr_mem = 4; + quirk = vfio_quirk_alloc(4); bar5 = quirk->data = g_malloc0(sizeof(*bar5) + (sizeof(VFIOConfigWindowMatch) * 2)); window = &bar5->window; @@ -762,10 +762,9 @@ static void vfio_probe_nvidia_bar0_quirk(VFIOPCIDevice *vdev, int nr) return; } - quirk = g_malloc0(sizeof(*quirk)); + quirk = vfio_quirk_alloc(1); mirror = quirk->data = g_malloc0(sizeof(*mirror)); - mirror->mem = quirk->mem = g_new0(MemoryRegion, 1); - quirk->nr_mem = 1; + mirror->mem = quirk->mem; mirror->vdev = vdev; mirror->offset = 0x88000; mirror->bar = nr; @@ -781,10 +780,9 @@ static void vfio_probe_nvidia_bar0_quirk(VFIOPCIDevice *vdev, int nr) /* The 0x1800 offset mirror only seems to get used by legacy VGA */ if (vdev->vga) { - quirk = g_malloc0(sizeof(*quirk)); + quirk = vfio_quirk_alloc(1); mirror = quirk->data = g_malloc0(sizeof(*mirror)); - mirror->mem = quirk->mem = g_new0(MemoryRegion, 1); - quirk->nr_mem = 1; + mirror->mem = quirk->mem; mirror->vdev = vdev; mirror->offset = 0x1800; mirror->bar = nr; @@ -945,9 +943,7 @@ static void vfio_probe_rtl8168_bar2_quirk(VFIOPCIDevice *vdev, int nr) return; } - quirk = g_malloc0(sizeof(*quirk)); - quirk->mem = g_new0(MemoryRegion, 2); - quirk->nr_mem = 2; + quirk = vfio_quirk_alloc(2); quirk->data = rtl = g_malloc0(sizeof(*rtl)); rtl->vdev = vdev; @@ -1507,9 +1503,7 @@ static void vfio_probe_igd_bar4_quirk(VFIOPCIDevice *vdev, int nr) } /* Setup our quirk to munge GTT addresses to the VM allocated buffer */ - quirk = g_malloc0(sizeof(*quirk)); - quirk->mem = g_new0(MemoryRegion, 2); - quirk->nr_mem = 2; + quirk = vfio_quirk_alloc(2); igd = quirk->data = g_malloc0(sizeof(*igd)); igd->vdev = vdev; igd->index = ~0;
next prev parent reply other threads:[~2018-02-07 0:26 UTC|newest] Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-02-07 0:26 [RFC PATCH 0/5] vfio: ioeventfd support Alex Williamson 2018-02-07 0:26 ` [Qemu-devel] " Alex Williamson 2018-02-07 0:26 ` Alex Williamson [this message] 2018-02-07 0:26 ` [Qemu-devel] [RFC PATCH 1/5] vfio/quirks: Add common quirk alloc helper Alex Williamson 2018-02-08 11:10 ` Auger Eric 2018-02-08 11:10 ` [Qemu-devel] " Auger Eric 2018-02-08 18:28 ` Alex Williamson 2018-02-08 18:28 ` [Qemu-devel] " Alex Williamson 2018-02-07 0:26 ` [RFC PATCH 2/5] vfio/quirks: Add generic support for ioveventfds Alex Williamson 2018-02-07 0:26 ` [Qemu-devel] " Alex Williamson 2018-02-08 11:11 ` Auger Eric 2018-02-08 11:11 ` [Qemu-devel] " Auger Eric 2018-02-08 18:33 ` Alex Williamson 2018-02-08 18:33 ` [Qemu-devel] " Alex Williamson 2018-02-08 20:37 ` Auger Eric 2018-02-07 0:26 ` [RFC PATCH 3/5] vfio/quirks: Automatic ioeventfd enabling for NVIDIA BAR0 quirks Alex Williamson 2018-02-07 0:26 ` [Qemu-devel] " Alex Williamson 2018-02-08 11:10 ` Auger Eric 2018-02-08 11:10 ` [Qemu-devel] " Auger Eric 2018-02-08 11:33 ` Auger Eric 2018-02-08 18:24 ` Alex Williamson 2018-02-08 18:24 ` [Qemu-devel] " Alex Williamson 2018-02-08 20:52 ` Auger Eric 2018-02-08 20:52 ` [Qemu-devel] " Auger Eric 2018-02-07 0:26 ` [RFC PATCH 4/5] vfio: Update linux header Alex Williamson 2018-02-07 0:26 ` [Qemu-devel] " Alex Williamson 2018-02-07 0:26 ` [RFC PATCH 5/5] vfio/quirks: Enable ioeventfd quirks to be handled by vfio directly Alex Williamson 2018-02-07 0:26 ` [Qemu-devel] " Alex Williamson 2018-02-08 11:42 ` Auger Eric 2018-02-08 11:42 ` [Qemu-devel] " Auger Eric 2018-02-08 18:41 ` Alex Williamson 2018-02-08 18:41 ` [Qemu-devel] " Alex Williamson 2018-02-09 7:11 ` Peter Xu 2018-02-09 22:09 ` Alex Williamson 2018-02-11 2:38 ` Peter Xu
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