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-rw-r--r--hw/block/nvme.c26
-rw-r--r--hw/block/nvme.h1
-rw-r--r--hw/block/virtio-blk.c4
-rw-r--r--hw/core/generic-loader.c9
-rw-r--r--hw/display/jazz_led.c4
-rw-r--r--hw/microblaze/boot.c2
-rw-r--r--hw/nios2/boot.c2
-rw-r--r--hw/ppc/pnv.c2
-rw-r--r--hw/ppc/ppc_booke.c1
-rw-r--r--hw/s390x/sclp.c4
-rw-r--r--hw/tricore/tricore_testboard.c2
-rw-r--r--hw/usb/dev-smartcard-reader.c5
12 files changed, 45 insertions, 17 deletions
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index ae303d44e5..7428db9f0c 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -227,6 +227,29 @@ static uint16_t nvme_flush(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd *cmd,
return NVME_NO_COMPLETE;
}
+static uint16_t nvme_write_zeros(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd *cmd,
+ NvmeRequest *req)
+{
+ NvmeRwCmd *rw = (NvmeRwCmd *)cmd;
+ const uint8_t lba_index = NVME_ID_NS_FLBAS_INDEX(ns->id_ns.flbas);
+ const uint8_t data_shift = ns->id_ns.lbaf[lba_index].ds;
+ uint64_t slba = le64_to_cpu(rw->slba);
+ uint32_t nlb = le16_to_cpu(rw->nlb) + 1;
+ uint64_t aio_slba = slba << (data_shift - BDRV_SECTOR_BITS);
+ uint32_t aio_nlb = nlb << (data_shift - BDRV_SECTOR_BITS);
+
+ if (slba + nlb > ns->id_ns.nsze) {
+ return NVME_LBA_RANGE | NVME_DNR;
+ }
+
+ req->has_sg = false;
+ block_acct_start(blk_get_stats(n->conf.blk), &req->acct, 0,
+ BLOCK_ACCT_WRITE);
+ req->aiocb = blk_aio_pwrite_zeroes(n->conf.blk, aio_slba, aio_nlb,
+ BDRV_REQ_MAY_UNMAP, nvme_rw_cb, req);
+ return NVME_NO_COMPLETE;
+}
+
static uint16_t nvme_rw(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd *cmd,
NvmeRequest *req)
{
@@ -279,6 +302,8 @@ static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
switch (cmd->opcode) {
case NVME_CMD_FLUSH:
return nvme_flush(n, ns, cmd, req);
+ case NVME_CMD_WRITE_ZEROS:
+ return nvme_write_zeros(n, ns, cmd, req);
case NVME_CMD_WRITE:
case NVME_CMD_READ:
return nvme_rw(n, ns, cmd, req);
@@ -895,6 +920,7 @@ static int nvme_init(PCIDevice *pci_dev)
id->sqes = (0x6 << 4) | 0x6;
id->cqes = (0x4 << 4) | 0x4;
id->nn = cpu_to_le32(n->num_namespaces);
+ id->oncs = cpu_to_le16(NVME_ONCS_WRITE_ZEROS);
id->psd[0].mp = cpu_to_le16(0x9c4);
id->psd[0].enlat = cpu_to_le32(0x10);
id->psd[0].exlat = cpu_to_le32(0x4);
diff --git a/hw/block/nvme.h b/hw/block/nvme.h
index 8fb0c10756..a0d15649f9 100644
--- a/hw/block/nvme.h
+++ b/hw/block/nvme.h
@@ -179,6 +179,7 @@ enum NvmeIoCommands {
NVME_CMD_READ = 0x02,
NVME_CMD_WRITE_UNCOR = 0x04,
NVME_CMD_COMPARE = 0x05,
+ NVME_CMD_WRITE_ZEROS = 0x08,
NVME_CMD_DSM = 0x09,
};
diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c
index 98c16a7a9a..604d37dfc8 100644
--- a/hw/block/virtio-blk.c
+++ b/hw/block/virtio-blk.c
@@ -42,9 +42,7 @@ static void virtio_blk_init_request(VirtIOBlock *s, VirtQueue *vq,
static void virtio_blk_free_request(VirtIOBlockReq *req)
{
- if (req) {
- g_free(req);
- }
+ g_free(req);
}
static void virtio_blk_req_complete(VirtIOBlockReq *req, unsigned char status)
diff --git a/hw/core/generic-loader.c b/hw/core/generic-loader.c
index 58f1f02902..46012673c3 100644
--- a/hw/core/generic-loader.c
+++ b/hw/core/generic-loader.c
@@ -137,20 +137,21 @@ static void generic_loader_realize(DeviceState *dev, Error **errp)
#endif
if (s->file) {
+ AddressSpace *as = s->cpu ? s->cpu->as : NULL;
+
if (!s->force_raw) {
size = load_elf_as(s->file, NULL, NULL, &entry, NULL, NULL,
- big_endian, 0, 0, 0, s->cpu->as);
+ big_endian, 0, 0, 0, as);
if (size < 0) {
size = load_uimage_as(s->file, &entry, NULL, NULL, NULL, NULL,
- s->cpu->as);
+ as);
}
}
if (size < 0 || s->force_raw) {
/* Default to the maximum size being the machine's ram size */
- size = load_image_targphys_as(s->file, s->addr, ram_size,
- s->cpu->as);
+ size = load_image_targphys_as(s->file, s->addr, ram_size, as);
} else {
s->addr = entry;
}
diff --git a/hw/display/jazz_led.c b/hw/display/jazz_led.c
index b72fdb1717..3c97d56434 100644
--- a/hw/display/jazz_led.c
+++ b/hw/display/jazz_led.c
@@ -227,13 +227,13 @@ static void jazz_led_invalidate_display(void *opaque)
static void jazz_led_text_update(void *opaque, console_ch_t *chardata)
{
LedState *s = opaque;
- char buf[2];
+ char buf[3];
dpy_text_cursor(s->con, -1, -1);
qemu_console_resize(s->con, 2, 1);
/* TODO: draw the segments */
- snprintf(buf, 2, "%02hhx\n", s->segments);
+ snprintf(buf, 3, "%02hhx", s->segments);
console_write_ch(chardata++, ATTR2CHTYPE(buf[0], QEMU_COLOR_BLUE,
QEMU_COLOR_BLACK, 1));
console_write_ch(chardata++, ATTR2CHTYPE(buf[1], QEMU_COLOR_BLUE,
diff --git a/hw/microblaze/boot.c b/hw/microblaze/boot.c
index 1834d22a61..457a08a2fe 100644
--- a/hw/microblaze/boot.c
+++ b/hw/microblaze/boot.c
@@ -189,7 +189,7 @@ void microblaze_load_kernel(MicroBlazeCPU *cpu, hwaddr ddr_base,
ram_size - initrd_offset);
}
if (initrd_size < 0) {
- error_report("qemu: could not load initrd '%s'",
+ error_report("could not load initrd '%s'",
initrd_filename);
exit(EXIT_FAILURE);
}
diff --git a/hw/nios2/boot.c b/hw/nios2/boot.c
index e0a9aff2f4..2b31f5b844 100644
--- a/hw/nios2/boot.c
+++ b/hw/nios2/boot.c
@@ -197,7 +197,7 @@ void nios2_load_kernel(Nios2CPU *cpu, hwaddr ddr_base,
ram_size - initrd_offset);
}
if (initrd_size < 0) {
- error_report("qemu: could not load initrd '%s'",
+ error_report("could not load initrd '%s'",
initrd_filename);
exit(EXIT_FAILURE);
}
diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index 251baea5d6..231ed9735b 100644
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -610,7 +610,7 @@ static void ppc_powernv_init(MachineState *machine)
/* Create the processor chips */
chip_typename = g_strdup_printf(TYPE_PNV_CHIP "-%s", machine->cpu_model);
if (!object_class_by_name(chip_typename)) {
- error_report("qemu: invalid CPU model '%s' for %s machine",
+ error_report("invalid CPU model '%s' for %s machine",
machine->cpu_model, MACHINE_GET_CLASS(machine)->name);
exit(1);
}
diff --git a/hw/ppc/ppc_booke.c b/hw/ppc/ppc_booke.c
index 60baffaf1d..23bcf1b138 100644
--- a/hw/ppc/ppc_booke.c
+++ b/hw/ppc/ppc_booke.c
@@ -282,7 +282,6 @@ void store_booke_tcr(CPUPPCState *env, target_ulong val)
ppc_tb_t *tb_env = env->tb_env;
booke_timer_t *booke_timer = tb_env->opaque;
- tb_env = env->tb_env;
env->spr[SPR_BOOKE_TCR] = val;
kvmppc_set_tcr(cpu);
diff --git a/hw/s390x/sclp.c b/hw/s390x/sclp.c
index b4f6dd58dd..83d6023894 100644
--- a/hw/s390x/sclp.c
+++ b/hw/s390x/sclp.c
@@ -505,10 +505,10 @@ static void sclp_realize(DeviceState *dev, Error **errp)
ret = s390_set_memory_limit(machine->maxram_size, &hw_limit);
if (ret == -E2BIG) {
- error_setg(&err, "qemu: host supports a maximum of %" PRIu64 " GB",
+ error_setg(&err, "host supports a maximum of %" PRIu64 " GB",
hw_limit >> 30);
} else if (ret) {
- error_setg(&err, "qemu: setting the guest size failed");
+ error_setg(&err, "setting the guest size failed");
}
out:
diff --git a/hw/tricore/tricore_testboard.c b/hw/tricore/tricore_testboard.c
index 19dd587207..8910bf0f27 100644
--- a/hw/tricore/tricore_testboard.c
+++ b/hw/tricore/tricore_testboard.c
@@ -50,7 +50,7 @@ static void tricore_load_kernel(CPUTriCoreState *env)
NULL, 0,
EM_TRICORE, 1, 0);
if (kernel_size <= 0) {
- error_report("qemu: no kernel file '%s'",
+ error_report("no kernel file '%s'",
tricoretb_binfo.kernel_filename);
exit(1);
}
diff --git a/hw/usb/dev-smartcard-reader.c b/hw/usb/dev-smartcard-reader.c
index 757b8b3f5a..49cb1829b5 100644
--- a/hw/usb/dev-smartcard-reader.c
+++ b/hw/usb/dev-smartcard-reader.c
@@ -813,7 +813,10 @@ static void ccid_write_data_block(USBCCIDState *s, uint8_t slot, uint8_t seq,
if (p->b.bError) {
DPRINTF(s, D_VERBOSE, "error %d\n", p->b.bError);
}
- memcpy(p->abData, data, len);
+ if (len) {
+ g_assert_nonnull(data);
+ memcpy(p->abData, data, len);
+ }
ccid_reset_error_status(s);
usb_wakeup(s->bulk, 0);
}