From: Xiao Guangrong <guangrong.xiao@linux.intel.com> To: pbonzini@redhat.com, imammedo@redhat.com Cc: gleb@kernel.org, mtosatti@redhat.com, stefanha@redhat.com, mst@redhat.com, rth@twiddle.net, ehabkost@redhat.com, kvm@vger.kernel.org, qemu-devel@nongnu.org, Xiao Guangrong <guangrong.xiao@linux.intel.com> Subject: [PATCH v2 08/18] nvdimm: init backend memory mapping and config data area Date: Fri, 14 Aug 2015 22:52:01 +0800 [thread overview] Message-ID: <1439563931-12352-9-git-send-email-guangrong.xiao@linux.intel.com> (raw) In-Reply-To: <1439563931-12352-1-git-send-email-guangrong.xiao@linux.intel.com> The parameter @file is used as backed memory for NVDIMM which is divided into two parts if @dataconfig is true: - first parts is (0, size - 128K], which is used as PMEM (Persistent Memory) - 128K at the end of the file, which is used as Config Data Area, it's used to store Label namespace data The @file supports both regular file and block device, of course we can assign any these two kinds of files for test and emulation, however, in the real word for performance reason, we usually used these files as NVDIMM backed file: - the regular file in the filesystem with DAX enabled created on NVDIMM device on host - the raw PMEM device on host, e,g /dev/pmem0 Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> --- hw/mem/nvdimm/pc-nvdimm.c | 109 ++++++++++++++++++++++++++++++++++++++++++++- include/hw/mem/pc-nvdimm.h | 7 +++ 2 files changed, 115 insertions(+), 1 deletion(-) diff --git a/hw/mem/nvdimm/pc-nvdimm.c b/hw/mem/nvdimm/pc-nvdimm.c index 7a270a8..97710d1 100644 --- a/hw/mem/nvdimm/pc-nvdimm.c +++ b/hw/mem/nvdimm/pc-nvdimm.c @@ -22,12 +22,20 @@ * License along with this library; if not, see <http://www.gnu.org/licenses/> */ +#include <sys/mman.h> +#include <sys/ioctl.h> +#include <linux/fs.h> + +#include "exec/address-spaces.h" #include "hw/mem/pc-nvdimm.h" -#define PAGE_SIZE (1UL << 12) +#define PAGE_SIZE (1UL << 12) + +#define MIN_CONFIG_DATA_SIZE (128 << 10) static struct nvdimms_info { ram_addr_t current_addr; + int device_index; } nvdimms_info; /* the address range [offset, ~0ULL) is reserved for NVDIMM. */ @@ -37,6 +45,26 @@ void pc_nvdimm_reserve_range(ram_addr_t offset) nvdimms_info.current_addr = offset; } +static ram_addr_t reserved_range_push(uint64_t size) +{ + uint64_t current; + + current = ROUND_UP(nvdimms_info.current_addr, PAGE_SIZE); + + /* do not have enough space? */ + if (current + size < current) { + return 0; + } + + nvdimms_info.current_addr = current + size; + return current; +} + +static uint32_t new_device_index(void) +{ + return nvdimms_info.device_index++; +} + static char *get_file(Object *obj, Error **errp) { PCNVDIMMDevice *nvdimm = PC_NVDIMM(obj); @@ -48,6 +76,11 @@ static void set_file(Object *obj, const char *str, Error **errp) { PCNVDIMMDevice *nvdimm = PC_NVDIMM(obj); + if (memory_region_size(&nvdimm->mr)) { + error_setg(errp, "cannot change property value"); + return; + } + if (nvdimm->file) { g_free(nvdimm->file); } @@ -76,13 +109,87 @@ static void pc_nvdimm_init(Object *obj) set_configdata, NULL); } +static uint64_t get_file_size(int fd) +{ + struct stat stat_buf; + uint64_t size; + + if (fstat(fd, &stat_buf) < 0) { + return 0; + } + + if (S_ISREG(stat_buf.st_mode)) { + return stat_buf.st_size; + } + + if (S_ISBLK(stat_buf.st_mode) && !ioctl(fd, BLKGETSIZE64, &size)) { + return size; + } + + return 0; +} + static void pc_nvdimm_realize(DeviceState *dev, Error **errp) { PCNVDIMMDevice *nvdimm = PC_NVDIMM(dev); + char name[512]; + void *buf; + ram_addr_t addr; + uint64_t size, nvdimm_size, config_size = MIN_CONFIG_DATA_SIZE; + int fd; if (!nvdimm->file) { error_setg(errp, "file property is not set"); } + + fd = open(nvdimm->file, O_RDWR); + if (fd < 0) { + error_setg(errp, "can not open %s", nvdimm->file); + return; + } + + size = get_file_size(fd); + buf = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); + if (buf == MAP_FAILED) { + error_setg(errp, "can not do mmap on %s", nvdimm->file); + goto do_close; + } + + nvdimm->config_data_size = config_size; + if (nvdimm->configdata) { + /* reserve MIN_CONFIGDATA_AREA_SIZE for configue data. */ + nvdimm_size = size - config_size; + nvdimm->config_data_addr = buf + nvdimm_size; + } else { + nvdimm_size = size; + nvdimm->config_data_addr = NULL; + } + + if ((int64_t)nvdimm_size <= 0) { + error_setg(errp, "file size is too small to store NVDIMM" + " configure data"); + goto do_unmap; + } + + addr = reserved_range_push(nvdimm_size); + if (!addr) { + error_setg(errp, "do not have enough space for size %#lx.\n", size); + goto do_unmap; + } + + nvdimm->device_index = new_device_index(); + sprintf(name, "NVDIMM-%d", nvdimm->device_index); + memory_region_init_ram_ptr(&nvdimm->mr, OBJECT(dev), name, nvdimm_size, + buf); + vmstate_register_ram(&nvdimm->mr, DEVICE(dev)); + memory_region_add_subregion(get_system_memory(), addr, &nvdimm->mr); + + return; + +do_unmap: + munmap(buf, size); +do_close: + close(fd); } static void pc_nvdimm_class_init(ObjectClass *oc, void *data) diff --git a/include/hw/mem/pc-nvdimm.h b/include/hw/mem/pc-nvdimm.h index 8601e9b..f617fd2 100644 --- a/include/hw/mem/pc-nvdimm.h +++ b/include/hw/mem/pc-nvdimm.h @@ -21,6 +21,13 @@ typedef struct PCNVDIMMDevice { char *file; bool configdata; + + int device_index; + + uint64_t config_data_size; + void *config_data_addr; + + MemoryRegion mr; } PCNVDIMMDevice; #define TYPE_PC_NVDIMM "pc-nvdimm" -- 2.4.3
WARNING: multiple messages have this Message-ID (diff)
From: Xiao Guangrong <guangrong.xiao@linux.intel.com> To: pbonzini@redhat.com, imammedo@redhat.com Cc: Xiao Guangrong <guangrong.xiao@linux.intel.com>, ehabkost@redhat.com, kvm@vger.kernel.org, mst@redhat.com, gleb@kernel.org, mtosatti@redhat.com, qemu-devel@nongnu.org, stefanha@redhat.com, rth@twiddle.net Subject: [Qemu-devel] [PATCH v2 08/18] nvdimm: init backend memory mapping and config data area Date: Fri, 14 Aug 2015 22:52:01 +0800 [thread overview] Message-ID: <1439563931-12352-9-git-send-email-guangrong.xiao@linux.intel.com> (raw) In-Reply-To: <1439563931-12352-1-git-send-email-guangrong.xiao@linux.intel.com> The parameter @file is used as backed memory for NVDIMM which is divided into two parts if @dataconfig is true: - first parts is (0, size - 128K], which is used as PMEM (Persistent Memory) - 128K at the end of the file, which is used as Config Data Area, it's used to store Label namespace data The @file supports both regular file and block device, of course we can assign any these two kinds of files for test and emulation, however, in the real word for performance reason, we usually used these files as NVDIMM backed file: - the regular file in the filesystem with DAX enabled created on NVDIMM device on host - the raw PMEM device on host, e,g /dev/pmem0 Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> --- hw/mem/nvdimm/pc-nvdimm.c | 109 ++++++++++++++++++++++++++++++++++++++++++++- include/hw/mem/pc-nvdimm.h | 7 +++ 2 files changed, 115 insertions(+), 1 deletion(-) diff --git a/hw/mem/nvdimm/pc-nvdimm.c b/hw/mem/nvdimm/pc-nvdimm.c index 7a270a8..97710d1 100644 --- a/hw/mem/nvdimm/pc-nvdimm.c +++ b/hw/mem/nvdimm/pc-nvdimm.c @@ -22,12 +22,20 @@ * License along with this library; if not, see <http://www.gnu.org/licenses/> */ +#include <sys/mman.h> +#include <sys/ioctl.h> +#include <linux/fs.h> + +#include "exec/address-spaces.h" #include "hw/mem/pc-nvdimm.h" -#define PAGE_SIZE (1UL << 12) +#define PAGE_SIZE (1UL << 12) + +#define MIN_CONFIG_DATA_SIZE (128 << 10) static struct nvdimms_info { ram_addr_t current_addr; + int device_index; } nvdimms_info; /* the address range [offset, ~0ULL) is reserved for NVDIMM. */ @@ -37,6 +45,26 @@ void pc_nvdimm_reserve_range(ram_addr_t offset) nvdimms_info.current_addr = offset; } +static ram_addr_t reserved_range_push(uint64_t size) +{ + uint64_t current; + + current = ROUND_UP(nvdimms_info.current_addr, PAGE_SIZE); + + /* do not have enough space? */ + if (current + size < current) { + return 0; + } + + nvdimms_info.current_addr = current + size; + return current; +} + +static uint32_t new_device_index(void) +{ + return nvdimms_info.device_index++; +} + static char *get_file(Object *obj, Error **errp) { PCNVDIMMDevice *nvdimm = PC_NVDIMM(obj); @@ -48,6 +76,11 @@ static void set_file(Object *obj, const char *str, Error **errp) { PCNVDIMMDevice *nvdimm = PC_NVDIMM(obj); + if (memory_region_size(&nvdimm->mr)) { + error_setg(errp, "cannot change property value"); + return; + } + if (nvdimm->file) { g_free(nvdimm->file); } @@ -76,13 +109,87 @@ static void pc_nvdimm_init(Object *obj) set_configdata, NULL); } +static uint64_t get_file_size(int fd) +{ + struct stat stat_buf; + uint64_t size; + + if (fstat(fd, &stat_buf) < 0) { + return 0; + } + + if (S_ISREG(stat_buf.st_mode)) { + return stat_buf.st_size; + } + + if (S_ISBLK(stat_buf.st_mode) && !ioctl(fd, BLKGETSIZE64, &size)) { + return size; + } + + return 0; +} + static void pc_nvdimm_realize(DeviceState *dev, Error **errp) { PCNVDIMMDevice *nvdimm = PC_NVDIMM(dev); + char name[512]; + void *buf; + ram_addr_t addr; + uint64_t size, nvdimm_size, config_size = MIN_CONFIG_DATA_SIZE; + int fd; if (!nvdimm->file) { error_setg(errp, "file property is not set"); } + + fd = open(nvdimm->file, O_RDWR); + if (fd < 0) { + error_setg(errp, "can not open %s", nvdimm->file); + return; + } + + size = get_file_size(fd); + buf = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); + if (buf == MAP_FAILED) { + error_setg(errp, "can not do mmap on %s", nvdimm->file); + goto do_close; + } + + nvdimm->config_data_size = config_size; + if (nvdimm->configdata) { + /* reserve MIN_CONFIGDATA_AREA_SIZE for configue data. */ + nvdimm_size = size - config_size; + nvdimm->config_data_addr = buf + nvdimm_size; + } else { + nvdimm_size = size; + nvdimm->config_data_addr = NULL; + } + + if ((int64_t)nvdimm_size <= 0) { + error_setg(errp, "file size is too small to store NVDIMM" + " configure data"); + goto do_unmap; + } + + addr = reserved_range_push(nvdimm_size); + if (!addr) { + error_setg(errp, "do not have enough space for size %#lx.\n", size); + goto do_unmap; + } + + nvdimm->device_index = new_device_index(); + sprintf(name, "NVDIMM-%d", nvdimm->device_index); + memory_region_init_ram_ptr(&nvdimm->mr, OBJECT(dev), name, nvdimm_size, + buf); + vmstate_register_ram(&nvdimm->mr, DEVICE(dev)); + memory_region_add_subregion(get_system_memory(), addr, &nvdimm->mr); + + return; + +do_unmap: + munmap(buf, size); +do_close: + close(fd); } static void pc_nvdimm_class_init(ObjectClass *oc, void *data) diff --git a/include/hw/mem/pc-nvdimm.h b/include/hw/mem/pc-nvdimm.h index 8601e9b..f617fd2 100644 --- a/include/hw/mem/pc-nvdimm.h +++ b/include/hw/mem/pc-nvdimm.h @@ -21,6 +21,13 @@ typedef struct PCNVDIMMDevice { char *file; bool configdata; + + int device_index; + + uint64_t config_data_size; + void *config_data_addr; + + MemoryRegion mr; } PCNVDIMMDevice; #define TYPE_PC_NVDIMM "pc-nvdimm" -- 2.4.3
next prev parent reply other threads:[~2015-08-14 14:58 UTC|newest] Thread overview: 164+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-08-14 14:51 [PATCH v2 00/18] implement vNVDIMM Xiao Guangrong 2015-08-14 14:51 ` [Qemu-devel] " Xiao Guangrong 2015-08-14 14:51 ` [PATCH v2 01/18] acpi: allow aml_operation_region() working on 64 bit offset Xiao Guangrong 2015-08-14 14:51 ` [Qemu-devel] " Xiao Guangrong 2015-09-02 8:05 ` Igor Mammedov 2015-09-02 8:05 ` [Qemu-devel] " Igor Mammedov 2015-08-14 14:51 ` [PATCH v2 02/18] i386/acpi-build: allow SSDT to operate on 64 bit Xiao Guangrong 2015-08-14 14:51 ` [Qemu-devel] " Xiao Guangrong 2015-09-02 10:06 ` Igor Mammedov 2015-09-02 10:06 ` [Qemu-devel] " Igor Mammedov 2015-09-02 10:43 ` Xiao Guangrong 2015-09-02 11:42 ` Igor Mammedov 2015-09-06 7:01 ` Xiao Guangrong 2015-09-02 12:05 ` Michael S. Tsirkin 2015-09-02 12:05 ` [Qemu-devel] " Michael S. Tsirkin 2015-08-14 14:51 ` [PATCH v2 03/18] acpi: add aml_derefof Xiao Guangrong 2015-08-14 14:51 ` [Qemu-devel] " Xiao Guangrong 2015-09-02 10:16 ` Igor Mammedov 2015-09-02 10:16 ` [Qemu-devel] " Igor Mammedov 2015-09-02 10:38 ` Xiao Guangrong 2015-09-02 10:38 ` [Qemu-devel] " Xiao Guangrong 2015-08-14 14:51 ` [PATCH v2 04/18] acpi: add aml_sizeof Xiao Guangrong 2015-08-14 14:51 ` [Qemu-devel] " Xiao Guangrong 2015-09-02 10:18 ` Igor Mammedov 2015-09-02 10:18 ` [Qemu-devel] " Igor Mammedov 2015-09-02 10:39 ` Xiao Guangrong 2015-09-02 10:39 ` [Qemu-devel] " Xiao Guangrong 2015-08-14 14:51 ` [PATCH v2 05/18] acpi: add aml_create_field Xiao Guangrong 2015-08-14 14:51 ` [Qemu-devel] " Xiao Guangrong 2015-09-02 11:10 ` Igor Mammedov 2015-09-02 11:10 ` [Qemu-devel] " Igor Mammedov 2015-09-06 5:32 ` Xiao Guangrong 2015-09-06 5:32 ` [Qemu-devel] " Xiao Guangrong 2015-08-14 14:51 ` [PATCH v2 06/18] pc: implement NVDIMM device abstract Xiao Guangrong 2015-08-14 14:51 ` [Qemu-devel] " Xiao Guangrong 2015-08-25 14:57 ` Stefan Hajnoczi 2015-08-25 14:57 ` Stefan Hajnoczi 2015-08-26 9:37 ` Xiao Guangrong 2015-08-26 9:37 ` Xiao Guangrong 2015-09-02 9:58 ` Igor Mammedov 2015-09-02 9:58 ` Igor Mammedov 2015-09-02 10:36 ` Xiao Guangrong 2015-09-02 10:36 ` Xiao Guangrong 2015-09-02 11:31 ` Igor Mammedov 2015-09-02 11:31 ` Igor Mammedov 2015-09-06 6:07 ` Xiao Guangrong 2015-09-06 6:07 ` Xiao Guangrong 2015-09-07 13:40 ` Igor Mammedov 2015-09-07 13:40 ` Igor Mammedov 2015-09-08 14:03 ` Xiao Guangrong 2015-09-10 9:47 ` Igor Mammedov 2015-08-14 14:52 ` [PATCH v2 07/18] nvdimm: reserve address range for NVDIMM Xiao Guangrong 2015-08-14 14:52 ` [Qemu-devel] " Xiao Guangrong 2015-08-25 15:12 ` Stefan Hajnoczi 2015-08-25 15:12 ` [Qemu-devel] " Stefan Hajnoczi 2015-08-26 9:39 ` Xiao Guangrong 2015-08-26 9:40 ` Xiao Guangrong 2015-08-26 9:40 ` Xiao Guangrong 2015-08-25 15:39 ` Stefan Hajnoczi 2015-08-25 15:39 ` [Qemu-devel] " Stefan Hajnoczi 2015-08-28 17:25 ` Eduardo Habkost 2015-08-28 17:25 ` [Qemu-devel] " Eduardo Habkost 2015-08-31 7:01 ` Xiao Guangrong 2015-08-31 7:01 ` [Qemu-devel] " Xiao Guangrong 2015-09-04 12:02 ` Igor Mammedov 2015-09-04 12:02 ` [Qemu-devel] " Igor Mammedov 2015-09-06 7:22 ` Xiao Guangrong 2015-09-06 7:22 ` Xiao Guangrong 2015-08-14 14:52 ` Xiao Guangrong [this message] 2015-08-14 14:52 ` [Qemu-devel] [PATCH v2 08/18] nvdimm: init backend memory mapping and config data area Xiao Guangrong 2015-08-25 16:03 ` Stefan Hajnoczi 2015-08-25 16:03 ` [Qemu-devel] " Stefan Hajnoczi 2015-08-26 10:40 ` Xiao Guangrong 2015-08-26 10:40 ` [Qemu-devel] " Xiao Guangrong 2015-08-28 11:58 ` Stefan Hajnoczi 2015-08-28 11:58 ` [Qemu-devel] " Stefan Hajnoczi 2015-08-31 6:23 ` Xiao Guangrong 2015-08-31 6:23 ` [Qemu-devel] " Xiao Guangrong 2015-09-01 9:14 ` Stefan Hajnoczi 2015-09-01 9:14 ` [Qemu-devel] " Stefan Hajnoczi 2015-09-15 16:10 ` Paolo Bonzini 2015-09-15 16:10 ` [Qemu-devel] " Paolo Bonzini 2015-09-17 8:39 ` Xiao Guangrong 2015-09-17 8:39 ` [Qemu-devel] " Xiao Guangrong 2015-09-17 9:04 ` Igor Mammedov 2015-09-17 9:04 ` [Qemu-devel] " Igor Mammedov 2015-09-17 9:14 ` Xiao Guangrong 2015-09-17 9:14 ` [Qemu-devel] " Xiao Guangrong 2015-09-17 9:34 ` Paolo Bonzini 2015-09-17 9:34 ` [Qemu-devel] " Paolo Bonzini 2015-09-17 12:43 ` Xiao Guangrong 2015-09-15 16:07 ` Paolo Bonzini 2015-09-15 16:07 ` [Qemu-devel] " Paolo Bonzini 2015-09-17 8:23 ` Xiao Guangrong 2015-09-17 8:23 ` [Qemu-devel] " Xiao Guangrong 2015-09-15 16:06 ` Paolo Bonzini 2015-09-15 16:06 ` [Qemu-devel] " Paolo Bonzini 2015-09-17 8:21 ` Xiao Guangrong 2015-09-17 8:21 ` [Qemu-devel] " Xiao Guangrong 2015-09-07 14:11 ` Igor Mammedov 2015-09-07 14:11 ` Igor Mammedov 2015-09-08 13:38 ` Xiao Guangrong 2015-09-10 10:35 ` Igor Mammedov 2015-09-15 16:11 ` Paolo Bonzini 2015-08-14 14:52 ` [PATCH v2 09/18] nvdimm: build ACPI NFIT table Xiao Guangrong 2015-08-14 14:52 ` [Qemu-devel] " Xiao Guangrong 2015-09-15 16:12 ` Paolo Bonzini 2015-09-15 16:12 ` [Qemu-devel] " Paolo Bonzini 2015-09-15 17:35 ` Igor Mammedov 2015-09-15 17:35 ` [Qemu-devel] " Igor Mammedov 2015-08-14 14:52 ` [PATCH v2 10/18] nvdimm: init the address region used by DSM method Xiao Guangrong 2015-08-14 14:52 ` [Qemu-devel] " Xiao Guangrong 2015-08-25 16:11 ` Stefan Hajnoczi 2015-08-25 16:11 ` [Qemu-devel] " Stefan Hajnoczi 2015-08-26 10:41 ` Xiao Guangrong 2015-08-26 10:41 ` [Qemu-devel] " Xiao Guangrong 2015-08-14 14:52 ` [PATCH v2 11/18] nvdimm: build ACPI nvdimm devices Xiao Guangrong 2015-08-14 14:52 ` [Qemu-devel] " Xiao Guangrong 2015-08-14 14:52 ` [PATCH v2 12/18] nvdimm: save arg3 for NVDIMM device _DSM method Xiao Guangrong 2015-08-14 14:52 ` [Qemu-devel] " Xiao Guangrong 2015-08-14 14:52 ` [PATCH v2 13/18] nvdimm: build namespace config data Xiao Guangrong 2015-08-14 14:52 ` [Qemu-devel] " Xiao Guangrong 2015-08-25 16:16 ` Stefan Hajnoczi 2015-08-25 16:16 ` Stefan Hajnoczi 2015-08-26 10:42 ` Xiao Guangrong 2015-08-26 10:42 ` Xiao Guangrong 2015-08-28 11:59 ` Stefan Hajnoczi 2015-08-28 11:59 ` Stefan Hajnoczi 2015-08-31 6:25 ` Xiao Guangrong 2015-08-31 6:25 ` Xiao Guangrong 2015-08-14 14:52 ` [PATCH v2 14/18] nvdimm: support NFIT_CMD_IMPLEMENTED function Xiao Guangrong 2015-08-14 14:52 ` [Qemu-devel] " Xiao Guangrong 2015-08-25 16:23 ` Stefan Hajnoczi 2015-08-25 16:23 ` [Qemu-devel] " Stefan Hajnoczi 2015-08-26 10:46 ` Xiao Guangrong 2015-08-26 10:46 ` [Qemu-devel] " Xiao Guangrong 2015-08-28 12:01 ` Stefan Hajnoczi 2015-08-28 12:01 ` [Qemu-devel] " Stefan Hajnoczi 2015-08-31 6:51 ` Xiao Guangrong 2015-08-31 6:51 ` Xiao Guangrong 2015-09-01 9:16 ` Stefan Hajnoczi 2015-09-01 9:16 ` Stefan Hajnoczi 2015-08-14 14:52 ` [PATCH v2 15/18] nvdimm: support NFIT_CMD_GET_CONFIG_SIZE function Xiao Guangrong 2015-08-14 14:52 ` [Qemu-devel] " Xiao Guangrong 2015-08-25 16:24 ` Stefan Hajnoczi 2015-08-25 16:24 ` [Qemu-devel] " Stefan Hajnoczi 2015-08-26 10:47 ` Xiao Guangrong 2015-08-26 10:47 ` [Qemu-devel] " Xiao Guangrong 2015-08-14 14:52 ` [PATCH v2 16/18] nvdimm: support NFIT_CMD_GET_CONFIG_DATA Xiao Guangrong 2015-08-14 14:52 ` [Qemu-devel] " Xiao Guangrong 2015-08-14 14:52 ` [PATCH v2 17/18] nvdimm: support NFIT_CMD_SET_CONFIG_DATA Xiao Guangrong 2015-08-14 14:52 ` [Qemu-devel] " Xiao Guangrong 2015-08-14 14:52 ` [PATCH v2 18/18] nvdimm: add maintain info Xiao Guangrong 2015-08-14 14:52 ` [Qemu-devel] " Xiao Guangrong 2015-08-25 16:26 ` [Qemu-devel] [PATCH v2 00/18] implement vNVDIMM Stefan Hajnoczi 2015-08-25 16:26 ` Stefan Hajnoczi 2015-08-26 10:49 ` Xiao Guangrong 2015-08-26 10:49 ` Xiao Guangrong 2015-10-07 14:02 ` Stefan Hajnoczi 2015-10-07 14:02 ` Stefan Hajnoczi 2015-10-07 14:43 ` Xiao Guangrong 2015-10-07 14:43 ` Xiao Guangrong 2015-10-09 10:38 ` Stefan Hajnoczi 2015-10-09 10:38 ` Stefan Hajnoczi
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