}
static DEVICE_ATTR_RW(remaining_steps);
-static ssize_t devicedisabled_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count);
-static DEVICE_ATTR_WO(devicedisabled);
-
-static ssize_t deviceenabled_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count);
-static DEVICE_ATTR_WO(deviceenabled);
-
-static struct attribute *visorchipset_install_attrs[] = {
- &dev_attr_toolaction.attr,
- &dev_attr_boottotool.attr,
- &dev_attr_error.attr,
- &dev_attr_textid.attr,
- &dev_attr_remaining_steps.attr,
- NULL
-};
-
-static struct attribute_group visorchipset_install_group = {
- .name = "install",
- .attrs = visorchipset_install_attrs
-};
-
-static struct attribute *visorchipset_parahotplug_attrs[] = {
- &dev_attr_devicedisabled.attr,
- &dev_attr_deviceenabled.attr,
- NULL
-};
-
-static struct attribute_group visorchipset_parahotplug_group = {
- .name = "parahotplug",
- .attrs = visorchipset_parahotplug_attrs
-};
-
-static const struct attribute_group *visorchipset_dev_groups[] = {
- &visorchipset_install_group,
- &visorchipset_parahotplug_group,
- NULL
-};
-
-static void visorchipset_dev_release(struct device *dev)
-{
-}
-
-/* /sys/devices/platform/visorchipset */
-static struct platform_device visorchipset_platform_device = {
- .name = "visorchipset",
- .id = -1,
- .dev.groups = visorchipset_dev_groups,
- .dev.release = visorchipset_dev_release,
-};
-
static uuid_le
parser_id_get(struct parser_context *ctx)
{
&controlvm_payload_info);
}
-/**
- * visorchipset_chipset_ready() - sends chipset_ready action
- *
- * Send ACTION=online for DEVPATH=/sys/devices/platform/visorchipset.
- *
- * Return: CONTROLVM_RESP_SUCCESS
- */
-static int
-visorchipset_chipset_ready(void)
-{
- kobject_uevent(&visorchipset_platform_device.dev.kobj, KOBJ_ONLINE);
- return CONTROLVM_RESP_SUCCESS;
-}
-
-static int
-visorchipset_chipset_selftest(void)
-{
- char env_selftest[20];
- char *envp[] = { env_selftest, NULL };
-
- sprintf(env_selftest, "SPARSP_SELFTEST=%d", 1);
- kobject_uevent_env(&visorchipset_platform_device.dev.kobj, KOBJ_CHANGE,
- envp);
- return CONTROLVM_RESP_SUCCESS;
-}
-
-/**
- * visorchipset_chipset_notready() - sends chipset_notready action
- *
- * Send ACTION=offline for DEVPATH=/sys/devices/platform/visorchipset.
- *
- * Return: CONTROLVM_RESP_SUCCESS
- */
-static int
-visorchipset_chipset_notready(void)
-{
- kobject_uevent(&visorchipset_platform_device.dev.kobj, KOBJ_OFFLINE);
- return CONTROLVM_RESP_SUCCESS;
-}
-
-static void
-chipset_ready(struct controlvm_message_header *msg_hdr)
-{
- int rc = visorchipset_chipset_ready();
-
- if (rc != CONTROLVM_RESP_SUCCESS)
- rc = -rc;
- if (msg_hdr->flags.response_expected)
- controlvm_respond(msg_hdr, rc);
-}
-
-static void
-chipset_selftest(struct controlvm_message_header *msg_hdr)
-{
- int rc = visorchipset_chipset_selftest();
-
- if (rc != CONTROLVM_RESP_SUCCESS)
- rc = -rc;
- if (msg_hdr->flags.response_expected)
- controlvm_respond(msg_hdr, rc);
-}
-
-static void
-chipset_notready(struct controlvm_message_header *msg_hdr)
-{
- int rc = visorchipset_chipset_notready();
-
- if (rc != CONTROLVM_RESP_SUCCESS)
- rc = -rc;
- if (msg_hdr->flags.response_expected)
- controlvm_respond(msg_hdr, rc);
-}
-
/*
* The general parahotplug flow works as follows. The visorchipset
* driver receives a DEVICE_CHANGESTATE message from Command
}
/**
- * parahotplug_request_kickoff() - initiate parahotplug request
- * @req: the request to initiate
- *
- * Cause uevent to run the user level script to do the disable/enable specified
- * in the parahotplug_request.
- */
-static void
-parahotplug_request_kickoff(struct parahotplug_request *req)
-{
- struct controlvm_message_packet *cmd = &req->msg.cmd;
- char env_cmd[40], env_id[40], env_state[40], env_bus[40], env_dev[40],
- env_func[40];
- char *envp[] = {
- env_cmd, env_id, env_state, env_bus, env_dev, env_func, NULL
- };
-
- sprintf(env_cmd, "SPAR_PARAHOTPLUG=1");
- sprintf(env_id, "SPAR_PARAHOTPLUG_ID=%d", req->id);
- sprintf(env_state, "SPAR_PARAHOTPLUG_STATE=%d",
- cmd->device_change_state.state.active);
- sprintf(env_bus, "SPAR_PARAHOTPLUG_BUS=%d",
- cmd->device_change_state.bus_no);
- sprintf(env_dev, "SPAR_PARAHOTPLUG_DEVICE=%d",
- cmd->device_change_state.dev_no >> 3);
- sprintf(env_func, "SPAR_PARAHOTPLUG_FUNCTION=%d",
- cmd->device_change_state.dev_no & 0x7);
-
- kobject_uevent_env(&visorchipset_platform_device.dev.kobj, KOBJ_CHANGE,
- envp);
-}
-
-/**
* parahotplug_request_complete() - mark request as complete
* @id: the id of the request
* @active: indicates whether the request is assigned to active partition
}
/**
+ * devicedisabled_store() - disables the hotplug device
+ * @dev: sysfs interface variable not utilized in this function
+ * @attr: sysfs interface variable not utilized in this function
+ * @buf: buffer containing the device id
+ * @count: the size of the buffer
+ *
+ * The parahotplug/devicedisabled interface gets called by our support script
+ * when an SR-IOV device has been shut down. The ID is passed to the script
+ * and then passed back when the device has been removed.
+ *
+ * Return: the size of the buffer for success or negative for error
+ */
+static ssize_t devicedisabled_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ unsigned int id;
+ int err;
+
+ if (kstrtouint(buf, 10, &id))
+ return -EINVAL;
+
+ err = parahotplug_request_complete(id, 0);
+ if (err < 0)
+ return err;
+ return count;
+}
+static DEVICE_ATTR_WO(devicedisabled);
+
+/**
+ * deviceenabled_store() - enables the hotplug device
+ * @dev: sysfs interface variable not utilized in this function
+ * @attr: sysfs interface variable not utilized in this function
+ * @buf: buffer containing the device id
+ * @count: the size of the buffer
+ *
+ * The parahotplug/deviceenabled interface gets called by our support script
+ * when an SR-IOV device has been recovered. The ID is passed to the script
+ * and then passed back when the device has been brought back up.
+ *
+ * Return: the size of the buffer for success or negative for error
+ */
+static ssize_t deviceenabled_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ unsigned int id;
+
+ if (kstrtouint(buf, 10, &id))
+ return -EINVAL;
+
+ parahotplug_request_complete(id, 1);
+ return count;
+}
+static DEVICE_ATTR_WO(deviceenabled);
+
+static struct attribute *visorchipset_install_attrs[] = {
+ &dev_attr_toolaction.attr,
+ &dev_attr_boottotool.attr,
+ &dev_attr_error.attr,
+ &dev_attr_textid.attr,
+ &dev_attr_remaining_steps.attr,
+ NULL
+};
+
+static struct attribute_group visorchipset_install_group = {
+ .name = "install",
+ .attrs = visorchipset_install_attrs
+};
+
+static struct attribute *visorchipset_parahotplug_attrs[] = {
+ &dev_attr_devicedisabled.attr,
+ &dev_attr_deviceenabled.attr,
+ NULL
+};
+
+static struct attribute_group visorchipset_parahotplug_group = {
+ .name = "parahotplug",
+ .attrs = visorchipset_parahotplug_attrs
+};
+
+static const struct attribute_group *visorchipset_dev_groups[] = {
+ &visorchipset_install_group,
+ &visorchipset_parahotplug_group,
+ NULL
+};
+
+static void visorchipset_dev_release(struct device *dev)
+{
+}
+
+/* /sys/devices/platform/visorchipset */
+static struct platform_device visorchipset_platform_device = {
+ .name = "visorchipset",
+ .id = -1,
+ .dev.groups = visorchipset_dev_groups,
+ .dev.release = visorchipset_dev_release,
+};
+
+/**
+ * parahotplug_request_kickoff() - initiate parahotplug request
+ * @req: the request to initiate
+ *
+ * Cause uevent to run the user level script to do the disable/enable specified
+ * in the parahotplug_request.
+ */
+static void
+parahotplug_request_kickoff(struct parahotplug_request *req)
+{
+ struct controlvm_message_packet *cmd = &req->msg.cmd;
+ char env_cmd[40], env_id[40], env_state[40], env_bus[40], env_dev[40],
+ env_func[40];
+ char *envp[] = {
+ env_cmd, env_id, env_state, env_bus, env_dev, env_func, NULL
+ };
+
+ sprintf(env_cmd, "SPAR_PARAHOTPLUG=1");
+ sprintf(env_id, "SPAR_PARAHOTPLUG_ID=%d", req->id);
+ sprintf(env_state, "SPAR_PARAHOTPLUG_STATE=%d",
+ cmd->device_change_state.state.active);
+ sprintf(env_bus, "SPAR_PARAHOTPLUG_BUS=%d",
+ cmd->device_change_state.bus_no);
+ sprintf(env_dev, "SPAR_PARAHOTPLUG_DEVICE=%d",
+ cmd->device_change_state.dev_no >> 3);
+ sprintf(env_func, "SPAR_PARAHOTPLUG_FUNCTION=%d",
+ cmd->device_change_state.dev_no & 0x7);
+
+ kobject_uevent_env(&visorchipset_platform_device.dev.kobj, KOBJ_CHANGE,
+ envp);
+}
+
+/**
* parahotplug_process_message() - enables or disables a PCI device by kicking
* off a udev script
* @inmsg: the message indicating whether to enable or disable
}
}
+/**
+ * visorchipset_chipset_ready() - sends chipset_ready action
+ *
+ * Send ACTION=online for DEVPATH=/sys/devices/platform/visorchipset.
+ *
+ * Return: CONTROLVM_RESP_SUCCESS
+ */
+static int
+visorchipset_chipset_ready(void)
+{
+ kobject_uevent(&visorchipset_platform_device.dev.kobj, KOBJ_ONLINE);
+ return CONTROLVM_RESP_SUCCESS;
+}
+
+static int
+visorchipset_chipset_selftest(void)
+{
+ char env_selftest[20];
+ char *envp[] = { env_selftest, NULL };
+
+ sprintf(env_selftest, "SPARSP_SELFTEST=%d", 1);
+ kobject_uevent_env(&visorchipset_platform_device.dev.kobj, KOBJ_CHANGE,
+ envp);
+ return CONTROLVM_RESP_SUCCESS;
+}
+
+/**
+ * visorchipset_chipset_notready() - sends chipset_notready action
+ *
+ * Send ACTION=offline for DEVPATH=/sys/devices/platform/visorchipset.
+ *
+ * Return: CONTROLVM_RESP_SUCCESS
+ */
+static int
+visorchipset_chipset_notready(void)
+{
+ kobject_uevent(&visorchipset_platform_device.dev.kobj, KOBJ_OFFLINE);
+ return CONTROLVM_RESP_SUCCESS;
+}
+
+static void
+chipset_ready(struct controlvm_message_header *msg_hdr)
+{
+ int rc = visorchipset_chipset_ready();
+
+ if (rc != CONTROLVM_RESP_SUCCESS)
+ rc = -rc;
+ if (msg_hdr->flags.response_expected)
+ controlvm_respond(msg_hdr, rc);
+}
+
+static void
+chipset_selftest(struct controlvm_message_header *msg_hdr)
+{
+ int rc = visorchipset_chipset_selftest();
+
+ if (rc != CONTROLVM_RESP_SUCCESS)
+ rc = -rc;
+ if (msg_hdr->flags.response_expected)
+ controlvm_respond(msg_hdr, rc);
+}
+
+static void
+chipset_notready(struct controlvm_message_header *msg_hdr)
+{
+ int rc = visorchipset_chipset_notready();
+
+ if (rc != CONTROLVM_RESP_SUCCESS)
+ rc = -rc;
+ if (msg_hdr->flags.response_expected)
+ controlvm_respond(msg_hdr, rc);
+}
+
static inline unsigned int
issue_vmcall_io_controlvm_addr(u64 *control_addr, u32 *control_bytes)
{
dev_info->pending_msg_hdr = NULL;
}
-/**
- * devicedisabled_store() - disables the hotplug device
- * @dev: sysfs interface variable not utilized in this function
- * @attr: sysfs interface variable not utilized in this function
- * @buf: buffer containing the device id
- * @count: the size of the buffer
- *
- * The parahotplug/devicedisabled interface gets called by our support script
- * when an SR-IOV device has been shut down. The ID is passed to the script
- * and then passed back when the device has been removed.
- *
- * Return: the size of the buffer for success or negative for error
- */
-static ssize_t devicedisabled_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- unsigned int id;
- int err;
-
- if (kstrtouint(buf, 10, &id))
- return -EINVAL;
-
- err = parahotplug_request_complete(id, 0);
- if (err < 0)
- return err;
- return count;
-}
-
-/**
- * deviceenabled_store() - enables the hotplug device
- * @dev: sysfs interface variable not utilized in this function
- * @attr: sysfs interface variable not utilized in this function
- * @buf: buffer containing the device id
- * @count: the size of the buffer
- *
- * The parahotplug/deviceenabled interface gets called by our support script
- * when an SR-IOV device has been recovered. The ID is passed to the script
- * and then passed back when the device has been brought back up.
- *
- * Return: the size of the buffer for success or negative for error
- */
-static ssize_t deviceenabled_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- unsigned int id;
-
- if (kstrtouint(buf, 10, &id))
- return -EINVAL;
-
- parahotplug_request_complete(id, 1);
- return count;
-}
-
static int
visorchipset_mmap(struct file *file, struct vm_area_struct *vma)
{
projects / platform / kernel / linux-exynos.git / commitdiff