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authorMarkus Armbruster <armbru@redhat.com>2015-02-26 17:21:13 +0100
committerMichael S. Tsirkin <mst@redhat.com>2015-03-01 12:37:54 +0100
commitf51074cdc6e750daa3b6df727d83449a7e42b391 (patch)
tree87af0f83b6e5b4c9e093e5e312b6aa5e6fae5073
parent6dbcb81956b16d794c9c0257b94bd4c6feba713f (diff)
downloadhqemu-f51074cdc6e750daa3b6df727d83449a7e42b391.zip
hqemu-f51074cdc6e750daa3b6df727d83449a7e42b391.tar.gz
pci-hotplug-old: Has been dead for five major releases, bury
Commit 79ca616 (v1.6.0) accidentally disabled legacy x86-only HMP commands pci_add, pci_del: it defined CONFIG_PCI_HOTPLUG only as make variable, not as preprocessor macro, killing the code conditional on defined(CONFIG_PCI_HOTPLUG_OLD). In all this time, nobody reported the loss. I only noticed it when I tried to test some error reporting change that forced me to touch this old crap again. Fun: git-log hw/pci/pci-hotplug-old.c shows our faith in the backward compatibility god has been strong enough to sacrifice at its altar about a dozen times, but not strong enough to even once verify the legacy feature's still there, let alone works. Remove the commands along with the code backing them. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
-rw-r--r--default-configs/i386-softmmu.mak1
-rw-r--r--default-configs/x86_64-softmmu.mak1
-rw-r--r--device-hotplug.c7
-rw-r--r--hmp-commands.hx32
-rw-r--r--hw/pci/Makefile.objs2
-rw-r--r--hw/pci/pci-hotplug-old.c342
-rw-r--r--include/sysemu/blockdev.h2
-rw-r--r--include/sysemu/sysemu.h5
-rw-r--r--stubs/Makefile.objs1
-rw-r--r--stubs/pci-drive-hot-add.c10
10 files changed, 3 insertions, 400 deletions
diff --git a/default-configs/i386-softmmu.mak b/default-configs/i386-softmmu.mak
index bd99af9..f5634bf 100644
--- a/default-configs/i386-softmmu.mak
+++ b/default-configs/i386-softmmu.mak
@@ -26,7 +26,6 @@ CONFIG_APPLESMC=y
CONFIG_I8259=y
CONFIG_PFLASH_CFI01=y
CONFIG_TPM_TIS=$(CONFIG_TPM)
-CONFIG_PCI_HOTPLUG_OLD=y
CONFIG_MC146818RTC=y
CONFIG_PAM=y
CONFIG_PCI_PIIX=y
diff --git a/default-configs/x86_64-softmmu.mak b/default-configs/x86_64-softmmu.mak
index e7c2734..41990f7 100644
--- a/default-configs/x86_64-softmmu.mak
+++ b/default-configs/x86_64-softmmu.mak
@@ -26,7 +26,6 @@ CONFIG_APPLESMC=y
CONFIG_I8259=y
CONFIG_PFLASH_CFI01=y
CONFIG_TPM_TIS=$(CONFIG_TPM)
-CONFIG_PCI_HOTPLUG_OLD=y
CONFIG_MC146818RTC=y
CONFIG_PAM=y
CONFIG_PCI_PIIX=y
diff --git a/device-hotplug.c b/device-hotplug.c
index 833d874..68b9496 100644
--- a/device-hotplug.c
+++ b/device-hotplug.c
@@ -30,7 +30,7 @@
#include "sysemu/sysemu.h"
#include "monitor/monitor.h"
-DriveInfo *add_init_drive(const char *optstr)
+static DriveInfo *add_init_drive(const char *optstr)
{
DriveInfo *dinfo;
QemuOpts *opts;
@@ -69,9 +69,8 @@ void hmp_drive_add(Monitor *mon, const QDict *qdict)
monitor_printf(mon, "OK\n");
break;
default:
- if (pci_drive_hot_add(mon, qdict, dinfo)) {
- goto err;
- }
+ monitor_printf(mon, "Can't hot-add drive to type %d\n", dinfo->type);
+ goto err;
}
return;
diff --git a/hmp-commands.hx b/hmp-commands.hx
index 81f276b..d5022d8 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -1149,38 +1149,6 @@ STEXI
Add drive to PCI storage controller.
ETEXI
-#if defined(CONFIG_PCI_HOTPLUG_OLD)
- {
- .name = "pci_add",
- .args_type = "pci_addr:s,type:s,opts:s?",
- .params = "auto|[[<domain>:]<bus>:]<slot> nic|storage [[vlan=n][,macaddr=addr][,model=type]] [file=file][,if=type][,bus=nr]...",
- .help = "hot-add PCI device",
- .mhandler.cmd = hmp_pci_add,
- },
-#endif
-
-STEXI
-@item pci_add
-@findex pci_add
-Hot-add PCI device.
-ETEXI
-
-#if defined(CONFIG_PCI_HOTPLUG_OLD)
- {
- .name = "pci_del",
- .args_type = "pci_addr:s",
- .params = "[[<domain>:]<bus>:]<slot>",
- .help = "hot remove PCI device",
- .mhandler.cmd = hmp_pci_del,
- },
-#endif
-
-STEXI
-@item pci_del
-@findex pci_del
-Hot remove PCI device.
-ETEXI
-
{
.name = "pcie_aer_inject_error",
.args_type = "advisory_non_fatal:-a,correctable:-c,"
diff --git a/hw/pci/Makefile.objs b/hw/pci/Makefile.objs
index 80f8aa6..9f905e6 100644
--- a/hw/pci/Makefile.objs
+++ b/hw/pci/Makefile.objs
@@ -7,5 +7,3 @@ common-obj-$(CONFIG_PCI) += pcie.o pcie_aer.o pcie_port.o
common-obj-$(call lnot,$(CONFIG_PCI)) += pci-stub.o
common-obj-$(CONFIG_ALL) += pci-stub.o
-
-common-obj-$(CONFIG_PCI_HOTPLUG_OLD) += pci-hotplug-old.o
diff --git a/hw/pci/pci-hotplug-old.c b/hw/pci/pci-hotplug-old.c
deleted file mode 100644
index beea6d2..0000000
--- a/hw/pci/pci-hotplug-old.c
+++ /dev/null
@@ -1,342 +0,0 @@
-/*
- * Deprecated PCI hotplug interface support
- * This covers the old pci_add / pci_del command, whereas the more general
- * device_add / device_del commands are now preferred.
- *
- * Copyright (c) 2004 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "hw/hw.h"
-#include "hw/boards.h"
-#include "hw/pci/pci.h"
-#include "net/net.h"
-#include "hw/i386/pc.h"
-#include "monitor/monitor.h"
-#include "hw/scsi/scsi.h"
-#include "hw/virtio/virtio-blk.h"
-#include "qemu/config-file.h"
-#include "sysemu/block-backend.h"
-#include "qapi/error.h"
-
-static int pci_read_devaddr(Monitor *mon, const char *addr,
- int *busp, unsigned *slotp)
-{
- int dom;
-
- /* strip legacy tag */
- if (!strncmp(addr, "pci_addr=", 9)) {
- addr += 9;
- }
- if (pci_parse_devaddr(addr, &dom, busp, slotp, NULL)) {
- monitor_printf(mon, "Invalid pci address\n");
- return -1;
- }
- if (dom != 0) {
- monitor_printf(mon, "Multiple PCI domains not supported, use device_add\n");
- return -1;
- }
- return 0;
-}
-
-static PCIDevice *qemu_pci_hot_add_nic(Monitor *mon,
- const char *devaddr,
- const char *opts_str)
-{
- Error *local_err = NULL;
- QemuOpts *opts;
- PCIBus *root = pci_find_primary_bus();
- PCIBus *bus;
- int ret, devfn;
-
- if (!root) {
- monitor_printf(mon, "no primary PCI bus (if there are multiple"
- " PCI roots, you must use device_add instead)");
- return NULL;
- }
-
- bus = pci_get_bus_devfn(&devfn, root, devaddr);
- if (!bus) {
- monitor_printf(mon, "Invalid PCI device address %s\n", devaddr);
- return NULL;
- }
- if (!qbus_is_hotpluggable(BUS(bus))) {
- monitor_printf(mon, "PCI bus doesn't support hotplug\n");
- return NULL;
- }
-
- opts = qemu_opts_parse(qemu_find_opts("net"), opts_str ? opts_str : "", 0);
- if (!opts) {
- return NULL;
- }
-
- qemu_opt_set(opts, "type", "nic");
-
- ret = net_client_init(opts, 0, &local_err);
- if (local_err) {
- qerror_report_err(local_err);
- error_free(local_err);
- return NULL;
- }
- if (nd_table[ret].devaddr) {
- monitor_printf(mon, "Parameter addr not supported\n");
- return NULL;
- }
- return pci_nic_init(&nd_table[ret], root, "rtl8139", devaddr);
-}
-
-static int scsi_hot_add(Monitor *mon, DeviceState *adapter,
- DriveInfo *dinfo, int printinfo)
-{
- SCSIBus *scsibus;
- SCSIDevice *scsidev;
- Error *local_err = NULL;
-
- scsibus = (SCSIBus *)
- object_dynamic_cast(OBJECT(QLIST_FIRST(&adapter->child_bus)),
- TYPE_SCSI_BUS);
- if (!scsibus) {
- error_report("Device is not a SCSI adapter");
- return -1;
- }
-
- /*
- * drive_init() tries to find a default for dinfo->unit. Doesn't
- * work at all for hotplug though as we assign the device to a
- * specific bus instead of the first bus with spare scsi ids.
- *
- * Ditch the calculated value and reload from option string (if
- * specified).
- */
- dinfo->unit = qemu_opt_get_number(dinfo->opts, "unit", -1);
- dinfo->bus = scsibus->busnr;
- scsidev = scsi_bus_legacy_add_drive(scsibus,
- blk_by_legacy_dinfo(dinfo),
- dinfo->unit, false, -1, NULL,
- &local_err);
- if (!scsidev) {
- error_report_err(local_err);
- return -1;
- }
- dinfo->unit = scsidev->id;
-
- if (printinfo)
- monitor_printf(mon, "OK bus %d, unit %d\n",
- scsibus->busnr, scsidev->id);
- return 0;
-}
-
-int pci_drive_hot_add(Monitor *mon, const QDict *qdict, DriveInfo *dinfo)
-{
- int pci_bus;
- unsigned slot;
- PCIBus *root = pci_find_primary_bus();
- PCIDevice *dev;
- const char *pci_addr = qdict_get_str(qdict, "pci_addr");
-
- switch (dinfo->type) {
- case IF_SCSI:
- if (!root) {
- monitor_printf(mon, "no primary PCI bus (if there are multiple"
- " PCI roots, you must use device_add instead)");
- goto err;
- }
- if (pci_read_devaddr(mon, pci_addr, &pci_bus, &slot)) {
- goto err;
- }
- dev = pci_find_device(root, pci_bus, PCI_DEVFN(slot, 0));
- if (!dev) {
- monitor_printf(mon, "no pci device with address %s\n", pci_addr);
- goto err;
- }
- if (scsi_hot_add(mon, &dev->qdev, dinfo, 1) != 0) {
- goto err;
- }
- break;
- default:
- monitor_printf(mon, "Can't hot-add drive to type %d\n", dinfo->type);
- goto err;
- }
-
- return 0;
-err:
- return -1;
-}
-
-static PCIDevice *qemu_pci_hot_add_storage(Monitor *mon,
- const char *devaddr,
- const char *opts)
-{
- PCIDevice *dev;
- DriveInfo *dinfo = NULL;
- int type = -1;
- char buf[128];
- PCIBus *root = pci_find_primary_bus();
- PCIBus *bus;
- int devfn;
-
- if (get_param_value(buf, sizeof(buf), "if", opts)) {
- if (!strcmp(buf, "scsi"))
- type = IF_SCSI;
- else if (!strcmp(buf, "virtio")) {
- type = IF_VIRTIO;
- } else {
- monitor_printf(mon, "type %s not a hotpluggable PCI device.\n", buf);
- return NULL;
- }
- } else {
- monitor_printf(mon, "no if= specified\n");
- return NULL;
- }
-
- if (get_param_value(buf, sizeof(buf), "file", opts)) {
- dinfo = add_init_drive(opts);
- if (!dinfo)
- return NULL;
- if (dinfo->devaddr) {
- monitor_printf(mon, "Parameter addr not supported\n");
- return NULL;
- }
- } else {
- dinfo = NULL;
- }
-
- if (!root) {
- monitor_printf(mon, "no primary PCI bus (if there are multiple"
- " PCI roots, you must use device_add instead)");
- return NULL;
- }
- bus = pci_get_bus_devfn(&devfn, root, devaddr);
- if (!bus) {
- monitor_printf(mon, "Invalid PCI device address %s\n", devaddr);
- return NULL;
- }
- if (!qbus_is_hotpluggable(BUS(bus))) {
- monitor_printf(mon, "PCI bus doesn't support hotplug\n");
- return NULL;
- }
-
- switch (type) {
- case IF_SCSI:
- dev = pci_create(bus, devfn, "lsi53c895a");
- if (qdev_init(&dev->qdev) < 0)
- dev = NULL;
- if (dev && dinfo) {
- if (scsi_hot_add(mon, &dev->qdev, dinfo, 0) != 0) {
- qdev_unplug(&dev->qdev, NULL);
- dev = NULL;
- }
- }
- break;
- case IF_VIRTIO:
- if (!dinfo) {
- monitor_printf(mon, "virtio requires a backing file/device.\n");
- return NULL;
- }
- dev = pci_create(bus, devfn, "virtio-blk-pci");
- if (qdev_prop_set_drive(&dev->qdev, "drive",
- blk_by_legacy_dinfo(dinfo)) < 0) {
- object_unparent(OBJECT(dev));
- dev = NULL;
- break;
- }
- if (qdev_init(&dev->qdev) < 0)
- dev = NULL;
- break;
- default:
- dev = NULL;
- }
- return dev;
-}
-
-void hmp_pci_add(Monitor *mon, const QDict *qdict)
-{
- PCIDevice *dev = NULL;
- const char *pci_addr = qdict_get_str(qdict, "pci_addr");
- const char *type = qdict_get_str(qdict, "type");
- const char *opts = qdict_get_try_str(qdict, "opts");
-
- /* strip legacy tag */
- if (!strncmp(pci_addr, "pci_addr=", 9)) {
- pci_addr += 9;
- }
-
- if (!opts) {
- opts = "";
- }
-
- if (!strcmp(pci_addr, "auto"))
- pci_addr = NULL;
-
- if (strcmp(type, "nic") == 0) {
- dev = qemu_pci_hot_add_nic(mon, pci_addr, opts);
- } else if (strcmp(type, "storage") == 0) {
- dev = qemu_pci_hot_add_storage(mon, pci_addr, opts);
- } else {
- monitor_printf(mon, "invalid type: %s\n", type);
- }
-
- if (dev) {
- monitor_printf(mon, "OK root bus %s, bus %d, slot %d, function %d\n",
- pci_root_bus_path(dev),
- pci_bus_num(dev->bus), PCI_SLOT(dev->devfn),
- PCI_FUNC(dev->devfn));
- } else
- monitor_printf(mon, "failed to add %s\n", opts);
-}
-
-static int pci_device_hot_remove(Monitor *mon, const char *pci_addr)
-{
- PCIBus *root = pci_find_primary_bus();
- PCIDevice *d;
- int bus;
- unsigned slot;
- Error *local_err = NULL;
-
- if (!root) {
- monitor_printf(mon, "no primary PCI bus (if there are multiple"
- " PCI roots, you must use device_del instead)");
- return -1;
- }
-
- if (pci_read_devaddr(mon, pci_addr, &bus, &slot)) {
- return -1;
- }
-
- d = pci_find_device(root, bus, PCI_DEVFN(slot, 0));
- if (!d) {
- monitor_printf(mon, "slot %d empty\n", slot);
- return -1;
- }
-
- qdev_unplug(&d->qdev, &local_err);
- if (local_err) {
- monitor_printf(mon, "%s\n", error_get_pretty(local_err));
- error_free(local_err);
- return -1;
- }
-
- return 0;
-}
-
-void hmp_pci_del(Monitor *mon, const QDict *qdict)
-{
- pci_device_hot_remove(mon, qdict_get_str(qdict, "pci_addr"));
-}
diff --git a/include/sysemu/blockdev.h b/include/sysemu/blockdev.h
index 0c62643..7ca59b5 100644
--- a/include/sysemu/blockdev.h
+++ b/include/sysemu/blockdev.h
@@ -63,8 +63,6 @@ DriveInfo *drive_new(QemuOpts *arg, BlockInterfaceType block_default_type);
/* device-hotplug */
-DriveInfo *add_init_drive(const char *opts);
-
void qmp_change_blockdev(const char *device, const char *filename,
const char *format, Error **errp);
void hmp_commit(Monitor *mon, const QDict *qdict);
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index 1ab7063..e7135e1 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -174,11 +174,6 @@ extern int nb_option_roms;
extern const char *prom_envs[MAX_PROM_ENVS];
extern unsigned int nb_prom_envs;
-/* pci-hotplug */
-void hmp_pci_add(Monitor *mon, const QDict *qdict);
-int pci_drive_hot_add(Monitor *mon, const QDict *qdict, DriveInfo *dinfo);
-void hmp_pci_del(Monitor *mon, const QDict *qdict);
-
/* generic hotplug */
void hmp_drive_add(Monitor *mon, const QDict *qdict);
diff --git a/stubs/Makefile.objs b/stubs/Makefile.objs
index 5e347d0..8beff4c 100644
--- a/stubs/Makefile.objs
+++ b/stubs/Makefile.objs
@@ -24,7 +24,6 @@ stub-obj-y += mon-printf.o
stub-obj-y += mon-set-error.o
stub-obj-y += monitor-init.o
stub-obj-y += notify-event.o
-stub-obj-y += pci-drive-hot-add.o
stub-obj-$(CONFIG_SPICE) += qemu-chr-open-spice.o
stub-obj-y += qtest.o
stub-obj-y += reset.o
diff --git a/stubs/pci-drive-hot-add.c b/stubs/pci-drive-hot-add.c
deleted file mode 100644
index 1d98145..0000000
--- a/stubs/pci-drive-hot-add.c
+++ /dev/null
@@ -1,10 +0,0 @@
-#include <monitor/monitor.h>
-#include <sysemu/sysemu.h>
-#include <sysemu/blockdev.h>
-
-int pci_drive_hot_add(Monitor *mon, const QDict *qdict, DriveInfo *dinfo)
-{
- /* On non-x86 we don't do PCI hotplug */
- monitor_printf(mon, "Can't hot-add drive to type %d\n", dinfo->type);
- return -1;
-}
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