search for: blockdriverst

...val) +{ + FILE *f; + char *tail = path + strlen(path); + + pstrcat(path, MAXPATHLEN, filename); + f = fopen(path, "r"); + if (!f) { + goto out; + } + + fscanf(f, "%u", val); + fclose(f); + +out: + *tail = 0; +} + +static void sg_get_queue_limits(BlockDriverState *bs, const char *filename) +{ + DIR *ffs; + struct dirent *d; + char path[MAXPATHLEN]; + + snprintf(path, MAXPATHLEN, + "/sys/class/scsi_generic/sg%s/device/block/", + filename + strlen("/dev/sg")); + + ffs = opendir(path); + if (!ffs...

...val) +{ + FILE *f; + char *tail = path + strlen(path); + + pstrcat(path, MAXPATHLEN, filename); + f = fopen(path, "r"); + if (!f) { + goto out; + } + + fscanf(f, "%u", val); + fclose(f); + +out: + *tail = 0; +} + +static void sg_get_queue_limits(BlockDriverState *bs, const char *filename) +{ + DIR *ffs; + struct dirent *d; + char path[MAXPATHLEN]; + + snprintf(path, MAXPATHLEN, + "/sys/class/scsi_generic/sg%s/device/block/", + filename + strlen("/dev/sg")); + + ffs = opendir(path); + if (!ffs...

....h | 1 + hw/scsi-disk.c | 610 ++++++++++++++++++++++++++++++-------------------------- hw/scsi-disk.h | 3 + 5 files changed, 346 insertions(+), 286 deletions(-) diff --git a/block.c b/block.c index 33f3d65..06f92c4 100644 --- a/block.c +++ b/block.c @@ -930,6 +930,21 @@ int bdrv_is_sg(BlockDriverState *bs) return bs->sg; } +void bdrv_set_sg(BlockDriverState *bs, int set) +{ + bs->sg = set; +} + +int bdrv_get_tcq(BlockDriverState *bs) +{ + return bs->tcq; +} + +void bdrv_set_tcq(BlockDriverState *bs, int set) +{ + bs->tcq = set; +} + int bdrv_enable_write_cache(Bl...

....h | 1 + hw/scsi-disk.c | 610 ++++++++++++++++++++++++++++++-------------------------- hw/scsi-disk.h | 3 + 5 files changed, 346 insertions(+), 286 deletions(-) diff --git a/block.c b/block.c index 33f3d65..06f92c4 100644 --- a/block.c +++ b/block.c @@ -930,6 +930,21 @@ int bdrv_is_sg(BlockDriverState *bs) return bs->sg; } +void bdrv_set_sg(BlockDriverState *bs, int set) +{ + bs->sg = set; +} + +int bdrv_get_tcq(BlockDriverState *bs) +{ + return bs->tcq; +} + +void bdrv_set_tcq(BlockDriverState *bs, int set) +{ + bs->tcq = set; +} + int bdrv_enable_write_cache(Bl...

...71f3 100644 --- a/qemu/hw/pc.h +++ b/qemu/hw/pc.h @@ -147,4 +147,8 @@ void isa_ne2000_init(int base, qemu_irq irq, NICInfo *nd); void *virtio_net_init(PCIBus *bus, NICInfo *nd, int devfn); +/* virtio-blk.h */ +void *virtio_blk_init(PCIBus *bus, uint16_t vendor, uint16_t device, + BlockDriverState *bs); + #endif diff --git a/qemu/hw/virtio-blk.c b/qemu/hw/virtio-blk.c new file mode 100644 index 0000000..0ae3592 --- /dev/null +++ b/qemu/hw/virtio-blk.c @@ -0,0 +1,163 @@ +/* + * Virtio Block Device + * + * Copyright IBM, Corp. 2007 + * + * Authors: + * Anthony Liguori <aliguori@us.ib...

...71f3 100644 --- a/qemu/hw/pc.h +++ b/qemu/hw/pc.h @@ -147,4 +147,8 @@ void isa_ne2000_init(int base, qemu_irq irq, NICInfo *nd); void *virtio_net_init(PCIBus *bus, NICInfo *nd, int devfn); +/* virtio-blk.h */ +void *virtio_blk_init(PCIBus *bus, uint16_t vendor, uint16_t device, + BlockDriverState *bs); + #endif diff --git a/qemu/hw/virtio-blk.c b/qemu/hw/virtio-blk.c new file mode 100644 index 0000000..0ae3592 --- /dev/null +++ b/qemu/hw/virtio-blk.c @@ -0,0 +1,163 @@ +/* + * Virtio Block Device + * + * Copyright IBM, Corp. 2007 + * + * Authors: + * Anthony Liguori <aliguori@us.ib...

...+ len = sizeof(protocol) - 1; +--- a/tools/ioemu/xenstore.c Tue May 13 15:16:59 2008 +0100 ++++ b/tools/ioemu/xenstore.c Tue May 13 15:19:47 2008 +0100 +@@ -86,6 +86,7 @@ void xenstore_parse_domain_config(int do + int i, is_scsi, is_hdN = 0; + unsigned int len, num, hd_index; + BlockDriverState *bs; ++ BlockDriver *format; + + for(i = 0; i < MAX_DISKS + MAX_SCSI_DISKS; i++) + media_filename[i] = NULL; +@@ -131,6 +132,8 @@ void xenstore_parse_domain_config(int do + } + + for (i = 0; i < num; i++) { ++ format = NULL; /* don't know what the forma...

We need to detach the blkdev from the BlockDriverState before calling bdrv_delete. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> CC: Markus Armbruster <armbru@redhat.com> --- hw/xen_disk.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/hw/xen_disk.c b/hw/xen_disk.c index 68fa36a..bf06fc1...

I'm sending a first draft of my proposed cpu hotplug driver for kvm/virtio The first patch is the kernel module, while the second, the userspace pci device. The host boots with the maximum cpus it should ever use, through the -smp parameter. Due to real machine constraints (which qemu copies), i386 does not allow for any addition of cpus after boot, so this is the most general way. I do

I'm sending a first draft of my proposed cpu hotplug driver for kvm/virtio The first patch is the kernel module, while the second, the userspace pci device. The host boots with the maximum cpus it should ever use, through the -smp parameter. Due to real machine constraints (which qemu copies), i386 does not allow for any addition of cpus after boot, so this is the most general way. I do

...o # virtio devices -VL_OBJS += virtio.o +VL_OBJS += virtio.o virtio-net.o ifeq ($(TARGET_BASE_ARCH), i386) # Hardware support diff --git a/qemu/hw/pc.h b/qemu/hw/pc.h index beb711c..ce1a1f3 100644 --- a/qemu/hw/pc.h +++ b/qemu/hw/pc.h @@ -142,4 +142,9 @@ void pci_piix4_ide_init(PCIBus *bus, BlockDriverState **hd_table, int devfn, void isa_ne2000_init(int base, qemu_irq irq, NICInfo *nd); +/* virtio-net.c */ + +void *virtio_net_init(PCIBus *bus, NICInfo *nd, int devfn); + + #endif diff --git a/qemu/hw/pci.c b/qemu/hw/pci.c index f8cbf1a..545901c 100644 --- a/qemu/hw/pci.c +++ b/qemu/hw/pci.c @...

...o # virtio devices -VL_OBJS += virtio.o +VL_OBJS += virtio.o virtio-net.o ifeq ($(TARGET_BASE_ARCH), i386) # Hardware support diff --git a/qemu/hw/pc.h b/qemu/hw/pc.h index beb711c..ce1a1f3 100644 --- a/qemu/hw/pc.h +++ b/qemu/hw/pc.h @@ -142,4 +142,9 @@ void pci_piix4_ide_init(PCIBus *bus, BlockDriverState **hd_table, int devfn, void isa_ne2000_init(int base, qemu_irq irq, NICInfo *nd); +/* virtio-net.c */ + +void *virtio_net_init(PCIBus *bus, NICInfo *nd, int devfn); + + #endif diff --git a/qemu/hw/pci.c b/qemu/hw/pci.c index f8cbf1a..545901c 100644 --- a/qemu/hw/pci.c +++ b/qemu/hw/pci.c @...

...USE_HYPERCALL pci_hypercall_init(pci_bus); Index: kvm-userspace/qemu/hw/pc.h =================================================================== --- kvm-userspace.orig/qemu/hw/pc.h +++ kvm-userspace/qemu/hw/pc.h @@ -155,4 +155,7 @@ void *virtio_blk_init(PCIBus *bus, uint1 void extboot_init(BlockDriverState *bs, int cmd); +/* virtio-balloon.c */ +void *virtio_balloon_init(PCIBus *bus); + #endif Index: kvm-userspace/qemu/hw/virtio-balloon.c =================================================================== --- /dev/null +++ kvm-userspace/qemu/hw/virtio-balloon.c @@ -0,0 +1,103 @@ +#include &quot...

...USE_HYPERCALL pci_hypercall_init(pci_bus); Index: kvm-userspace/qemu/hw/pc.h =================================================================== --- kvm-userspace.orig/qemu/hw/pc.h +++ kvm-userspace/qemu/hw/pc.h @@ -155,4 +155,7 @@ void *virtio_blk_init(PCIBus *bus, uint1 void extboot_init(BlockDriverState *bs, int cmd); +/* virtio-balloon.c */ +void *virtio_balloon_init(PCIBus *bus); + #endif Index: kvm-userspace/qemu/hw/virtio-balloon.c =================================================================== --- /dev/null +++ kvm-userspace/qemu/hw/virtio-balloon.c @@ -0,0 +1,103 @@ +#include &quot...

This is a cover letter to a series of patches being proposed in tandem to four different projects: - nbd: Document a new NBD_CMD_FLAG_FAST_ZERO command flag - qemu: Implement the flag for both clients and server - libnbd: Implement the flag for clients - nbdkit: Implement the flag for servers, including the nbd passthrough client If you want to test the patches together, I've pushed a

When I submitted the qcow2 patch for blktap, suggestions came up that the qemu block drivers should be used also for blktap to eliminate the current code duplication in ioemu and blktap. The attached patch adds support for a tap:ioemu pseudo driver. Devices using this driver won''t use tapdisk (containing the code duplication) any more, but will connect to the qemu-dm of the domain. In

...xenfb->c.ds->surface->height = xenfb->height; + dpy_resize(xenfb->c.ds); xenfb->up_fullscreen = 1; } diff --git a/qemu-common.h b/qemu-common.h --- a/qemu-common.h +++ b/qemu-common.h @@ -131,6 +131,9 @@ typedef struct AudioState AudioState; typedef struct BlockDriverState BlockDriverState; typedef struct DisplayState DisplayState; +typedef struct DisplayChangeListener DisplayChangeListener; +typedef struct DisplaySurface DisplaySurface; +typedef struct PixelFormat PixelFormat; typedef struct TextConsole TextConsole; typedef TextConsole QEMUConsole; typedef st...

..._OFFSET 0x14 +#define MEGASAS_IO_SENSE_BUFF_ADDR_LO_OFFSET 0x18 +#define MEGASAS_IO_SENSE_BUFF_ADDR_HI_OFFSET 0x1C +#define MEGASAS_IO_START_LBA_LO_OFFSET 0x20 +#define MEGASAS_IO_START_LBA_HI_OFFSET 0x24 +#define MEGASAS_IO_SGL_OFFSET 0x28 + +struct megasas_lun_t { + SCSIDevice *sdev; + BlockDriverState *bdrv; + BlockDriverAIOCB *aiocb; +}; + +struct megasas_cmd_t { + int index; + + uint32_t context; + target_phys_addr_t pa; + uint16_t flags; + uint8_t sge_count; + uint32_t sge_size; + uint8_t *sense; + uint8_t sense_len; + struct iovec iov[MEGASAS_MAX_SGE]; + Q...

..._OFFSET 0x14 +#define MEGASAS_IO_SENSE_BUFF_ADDR_LO_OFFSET 0x18 +#define MEGASAS_IO_SENSE_BUFF_ADDR_HI_OFFSET 0x1C +#define MEGASAS_IO_START_LBA_LO_OFFSET 0x20 +#define MEGASAS_IO_START_LBA_HI_OFFSET 0x24 +#define MEGASAS_IO_SGL_OFFSET 0x28 + +struct megasas_lun_t { + SCSIDevice *sdev; + BlockDriverState *bdrv; + BlockDriverAIOCB *aiocb; +}; + +struct megasas_cmd_t { + int index; + + uint32_t context; + target_phys_addr_t pa; + uint16_t flags; + uint8_t sge_count; + uint32_t sge_size; + uint8_t *sense; + uint8_t sense_len; + struct iovec iov[MEGASAS_MAX_SGE]; + Q...

...loon)); + 8, sizeof(VirtIOBalloon), 0); if (s == NULL) return NULL; diff --git a/hw/virtio-blk.c b/hw/virtio-blk.c index 51a8e22..7858a77 100644 --- a/hw/virtio-blk.c +++ b/hw/virtio-blk.c @@ -251,7 +251,8 @@ void *virtio_blk_init(PCIBus *bus, BlockDriverState *bs) PCI_VENDOR_ID_REDHAT_QUMRANET, VIRTIO_ID_BLOCK, PCI_CLASS_STORAGE_OTHER, 0x00, - sizeof(struct virtio_blk_config), sizeof(VirtIOBlock...