#include <linux/irq.h>
#include <linux/kthread.h>
#include <linux/seq_file.h>
-#include <linux/debugfs.h>
#include <linux/interrupt.h>
#include <net/net_namespace.h>
#include <asm/hvcall.h>
release_sub_crqs(adapter);
ibmvnic_release_crq_queue(adapter);
- if (adapter->debugfs_dir && !IS_ERR(adapter->debugfs_dir))
- debugfs_remove_recursive(adapter->debugfs_dir);
-
if (adapter->stats_token)
dma_unmap_single(dev, adapter->stats_token,
sizeof(struct ibmvnic_statistics),
DMA_FROM_DEVICE);
-
- if (adapter->ras_comps)
- dma_free_coherent(dev, adapter->ras_comp_num *
- sizeof(struct ibmvnic_fw_component),
- adapter->ras_comps, adapter->ras_comps_tok);
-
- kfree(adapter->ras_comp_int);
}
static int ibmvnic_close(struct net_device *netdev)
kfree(error_buff);
}
-static void handle_dump_size_rsp(union ibmvnic_crq *crq,
- struct ibmvnic_adapter *adapter)
-{
- int len = be32_to_cpu(crq->request_dump_size_rsp.len);
- struct ibmvnic_inflight_cmd *inflight_cmd;
- struct device *dev = &adapter->vdev->dev;
- union ibmvnic_crq newcrq;
- unsigned long flags;
-
- /* allocate and map buffer */
- adapter->dump_data = kmalloc(len, GFP_KERNEL);
- if (!adapter->dump_data) {
- complete(&adapter->fw_done);
- return;
- }
-
- adapter->dump_data_token = dma_map_single(dev, adapter->dump_data, len,
- DMA_FROM_DEVICE);
-
- if (dma_mapping_error(dev, adapter->dump_data_token)) {
- if (!firmware_has_feature(FW_FEATURE_CMO))
- dev_err(dev, "Couldn't map dump data\n");
- kfree(adapter->dump_data);
- complete(&adapter->fw_done);
- return;
- }
-
- inflight_cmd = kmalloc(sizeof(*inflight_cmd), GFP_ATOMIC);
- if (!inflight_cmd) {
- dma_unmap_single(dev, adapter->dump_data_token, len,
- DMA_FROM_DEVICE);
- kfree(adapter->dump_data);
- complete(&adapter->fw_done);
- return;
- }
-
- memset(&newcrq, 0, sizeof(newcrq));
- newcrq.request_dump.first = IBMVNIC_CRQ_CMD;
- newcrq.request_dump.cmd = REQUEST_DUMP;
- newcrq.request_dump.ioba = cpu_to_be32(adapter->dump_data_token);
- newcrq.request_dump.len = cpu_to_be32(adapter->dump_data_size);
-
- memcpy(&inflight_cmd->crq, &newcrq, sizeof(newcrq));
-
- spin_lock_irqsave(&adapter->inflight_lock, flags);
- list_add_tail(&inflight_cmd->list, &adapter->inflight);
- spin_unlock_irqrestore(&adapter->inflight_lock, flags);
-
- ibmvnic_send_crq(adapter, &newcrq);
-}
-
static void handle_error_indication(union ibmvnic_crq *crq,
struct ibmvnic_adapter *adapter)
{
struct device *dev = &adapter->vdev->dev;
struct ibmvnic_login_rsp_buffer *login_rsp = adapter->login_rsp_buf;
struct ibmvnic_login_buffer *login = adapter->login_buf;
- union ibmvnic_crq crq;
int i;
dma_unmap_single(dev, adapter->login_buf_token, adapter->login_buf_sz,
}
complete(&adapter->init_done);
- memset(&crq, 0, sizeof(crq));
- crq.request_ras_comp_num.first = IBMVNIC_CRQ_CMD;
- crq.request_ras_comp_num.cmd = REQUEST_RAS_COMP_NUM;
- ibmvnic_send_crq(adapter, &crq);
-
return 0;
}
}
}
-static void handle_control_ras_rsp(union ibmvnic_crq *crq,
- struct ibmvnic_adapter *adapter)
-{
- u8 correlator = crq->control_ras_rsp.correlator;
- struct device *dev = &adapter->vdev->dev;
- bool found = false;
- int i;
-
- if (crq->control_ras_rsp.rc.code) {
- dev_warn(dev, "Control ras failed rc=%d\n",
- crq->control_ras_rsp.rc.code);
- return;
- }
-
- for (i = 0; i < adapter->ras_comp_num; i++) {
- if (adapter->ras_comps[i].correlator == correlator) {
- found = true;
- break;
- }
- }
-
- if (!found) {
- dev_warn(dev, "Correlator not found on control_ras_rsp\n");
- return;
- }
-
- switch (crq->control_ras_rsp.op) {
- case IBMVNIC_TRACE_LEVEL:
- adapter->ras_comps[i].trace_level = crq->control_ras.level;
- break;
- case IBMVNIC_ERROR_LEVEL:
- adapter->ras_comps[i].error_check_level =
- crq->control_ras.level;
- break;
- case IBMVNIC_TRACE_PAUSE:
- adapter->ras_comp_int[i].paused = 1;
- break;
- case IBMVNIC_TRACE_RESUME:
- adapter->ras_comp_int[i].paused = 0;
- break;
- case IBMVNIC_TRACE_ON:
- adapter->ras_comps[i].trace_on = 1;
- break;
- case IBMVNIC_TRACE_OFF:
- adapter->ras_comps[i].trace_on = 0;
- break;
- case IBMVNIC_CHG_TRACE_BUFF_SZ:
- /* trace_buff_sz is 3 bytes, stuff it into an int */
- ((u8 *)(&adapter->ras_comps[i].trace_buff_size))[0] = 0;
- ((u8 *)(&adapter->ras_comps[i].trace_buff_size))[1] =
- crq->control_ras_rsp.trace_buff_sz[0];
- ((u8 *)(&adapter->ras_comps[i].trace_buff_size))[2] =
- crq->control_ras_rsp.trace_buff_sz[1];
- ((u8 *)(&adapter->ras_comps[i].trace_buff_size))[3] =
- crq->control_ras_rsp.trace_buff_sz[2];
- break;
- default:
- dev_err(dev, "invalid op %d on control_ras_rsp",
- crq->control_ras_rsp.op);
- }
-}
-
-static ssize_t trace_read(struct file *file, char __user *user_buf, size_t len,
- loff_t *ppos)
-{
- struct ibmvnic_fw_comp_internal *ras_comp_int = file->private_data;
- struct ibmvnic_adapter *adapter = ras_comp_int->adapter;
- struct device *dev = &adapter->vdev->dev;
- struct ibmvnic_fw_trace_entry *trace;
- int num = ras_comp_int->num;
- union ibmvnic_crq crq;
- dma_addr_t trace_tok;
-
- if (*ppos >= be32_to_cpu(adapter->ras_comps[num].trace_buff_size))
- return 0;
-
- trace =
- dma_alloc_coherent(dev,
- be32_to_cpu(adapter->ras_comps[num].
- trace_buff_size), &trace_tok,
- GFP_KERNEL);
- if (!trace) {
- dev_err(dev, "Couldn't alloc trace buffer\n");
- return 0;
- }
-
- memset(&crq, 0, sizeof(crq));
- crq.collect_fw_trace.first = IBMVNIC_CRQ_CMD;
- crq.collect_fw_trace.cmd = COLLECT_FW_TRACE;
- crq.collect_fw_trace.correlator = adapter->ras_comps[num].correlator;
- crq.collect_fw_trace.ioba = cpu_to_be32(trace_tok);
- crq.collect_fw_trace.len = adapter->ras_comps[num].trace_buff_size;
-
- init_completion(&adapter->fw_done);
- ibmvnic_send_crq(adapter, &crq);
- wait_for_completion(&adapter->fw_done);
-
- if (*ppos + len > be32_to_cpu(adapter->ras_comps[num].trace_buff_size))
- len =
- be32_to_cpu(adapter->ras_comps[num].trace_buff_size) -
- *ppos;
-
- copy_to_user(user_buf, &((u8 *)trace)[*ppos], len);
-
- dma_free_coherent(dev,
- be32_to_cpu(adapter->ras_comps[num].trace_buff_size),
- trace, trace_tok);
- *ppos += len;
- return len;
-}
-
-static const struct file_operations trace_ops = {
- .owner = THIS_MODULE,
- .open = simple_open,
- .read = trace_read,
-};
-
-static ssize_t paused_read(struct file *file, char __user *user_buf, size_t len,
- loff_t *ppos)
-{
- struct ibmvnic_fw_comp_internal *ras_comp_int = file->private_data;
- struct ibmvnic_adapter *adapter = ras_comp_int->adapter;
- int num = ras_comp_int->num;
- char buff[5]; /* 1 or 0 plus \n and \0 */
- int size;
-
- size = sprintf(buff, "%d\n", adapter->ras_comp_int[num].paused);
-
- if (*ppos >= size)
- return 0;
-
- copy_to_user(user_buf, buff, size);
- *ppos += size;
- return size;
-}
-
-static ssize_t paused_write(struct file *file, const char __user *user_buf,
- size_t len, loff_t *ppos)
-{
- struct ibmvnic_fw_comp_internal *ras_comp_int = file->private_data;
- struct ibmvnic_adapter *adapter = ras_comp_int->adapter;
- int num = ras_comp_int->num;
- union ibmvnic_crq crq;
- unsigned long val;
- char buff[9]; /* decimal max int plus \n and \0 */
-
- copy_from_user(buff, user_buf, sizeof(buff));
- val = kstrtoul(buff, 10, NULL);
-
- adapter->ras_comp_int[num].paused = val ? 1 : 0;
-
- memset(&crq, 0, sizeof(crq));
- crq.control_ras.first = IBMVNIC_CRQ_CMD;
- crq.control_ras.cmd = CONTROL_RAS;
- crq.control_ras.correlator = adapter->ras_comps[num].correlator;
- crq.control_ras.op = val ? IBMVNIC_TRACE_PAUSE : IBMVNIC_TRACE_RESUME;
- ibmvnic_send_crq(adapter, &crq);
-
- return len;
-}
-
-static const struct file_operations paused_ops = {
- .owner = THIS_MODULE,
- .open = simple_open,
- .read = paused_read,
- .write = paused_write,
-};
-
-static ssize_t tracing_read(struct file *file, char __user *user_buf,
- size_t len, loff_t *ppos)
-{
- struct ibmvnic_fw_comp_internal *ras_comp_int = file->private_data;
- struct ibmvnic_adapter *adapter = ras_comp_int->adapter;
- int num = ras_comp_int->num;
- char buff[5]; /* 1 or 0 plus \n and \0 */
- int size;
-
- size = sprintf(buff, "%d\n", adapter->ras_comps[num].trace_on);
-
- if (*ppos >= size)
- return 0;
-
- copy_to_user(user_buf, buff, size);
- *ppos += size;
- return size;
-}
-
-static ssize_t tracing_write(struct file *file, const char __user *user_buf,
- size_t len, loff_t *ppos)
-{
- struct ibmvnic_fw_comp_internal *ras_comp_int = file->private_data;
- struct ibmvnic_adapter *adapter = ras_comp_int->adapter;
- int num = ras_comp_int->num;
- union ibmvnic_crq crq;
- unsigned long val;
- char buff[9]; /* decimal max int plus \n and \0 */
-
- copy_from_user(buff, user_buf, sizeof(buff));
- val = kstrtoul(buff, 10, NULL);
-
- memset(&crq, 0, sizeof(crq));
- crq.control_ras.first = IBMVNIC_CRQ_CMD;
- crq.control_ras.cmd = CONTROL_RAS;
- crq.control_ras.correlator = adapter->ras_comps[num].correlator;
- crq.control_ras.op = val ? IBMVNIC_TRACE_ON : IBMVNIC_TRACE_OFF;
-
- return len;
-}
-
-static const struct file_operations tracing_ops = {
- .owner = THIS_MODULE,
- .open = simple_open,
- .read = tracing_read,
- .write = tracing_write,
-};
-
-static ssize_t error_level_read(struct file *file, char __user *user_buf,
- size_t len, loff_t *ppos)
-{
- struct ibmvnic_fw_comp_internal *ras_comp_int = file->private_data;
- struct ibmvnic_adapter *adapter = ras_comp_int->adapter;
- int num = ras_comp_int->num;
- char buff[5]; /* decimal max char plus \n and \0 */
- int size;
-
- size = sprintf(buff, "%d\n", adapter->ras_comps[num].error_check_level);
-
- if (*ppos >= size)
- return 0;
-
- copy_to_user(user_buf, buff, size);
- *ppos += size;
- return size;
-}
-
-static ssize_t error_level_write(struct file *file, const char __user *user_buf,
- size_t len, loff_t *ppos)
-{
- struct ibmvnic_fw_comp_internal *ras_comp_int = file->private_data;
- struct ibmvnic_adapter *adapter = ras_comp_int->adapter;
- int num = ras_comp_int->num;
- union ibmvnic_crq crq;
- unsigned long val;
- char buff[9]; /* decimal max int plus \n and \0 */
-
- copy_from_user(buff, user_buf, sizeof(buff));
- val = kstrtoul(buff, 10, NULL);
-
- if (val > 9)
- val = 9;
-
- memset(&crq, 0, sizeof(crq));
- crq.control_ras.first = IBMVNIC_CRQ_CMD;
- crq.control_ras.cmd = CONTROL_RAS;
- crq.control_ras.correlator = adapter->ras_comps[num].correlator;
- crq.control_ras.op = IBMVNIC_ERROR_LEVEL;
- crq.control_ras.level = val;
- ibmvnic_send_crq(adapter, &crq);
-
- return len;
-}
-
-static const struct file_operations error_level_ops = {
- .owner = THIS_MODULE,
- .open = simple_open,
- .read = error_level_read,
- .write = error_level_write,
-};
-
-static ssize_t trace_level_read(struct file *file, char __user *user_buf,
- size_t len, loff_t *ppos)
-{
- struct ibmvnic_fw_comp_internal *ras_comp_int = file->private_data;
- struct ibmvnic_adapter *adapter = ras_comp_int->adapter;
- int num = ras_comp_int->num;
- char buff[5]; /* decimal max char plus \n and \0 */
- int size;
-
- size = sprintf(buff, "%d\n", adapter->ras_comps[num].trace_level);
- if (*ppos >= size)
- return 0;
-
- copy_to_user(user_buf, buff, size);
- *ppos += size;
- return size;
-}
-
-static ssize_t trace_level_write(struct file *file, const char __user *user_buf,
- size_t len, loff_t *ppos)
-{
- struct ibmvnic_fw_comp_internal *ras_comp_int = file->private_data;
- struct ibmvnic_adapter *adapter = ras_comp_int->adapter;
- union ibmvnic_crq crq;
- unsigned long val;
- char buff[9]; /* decimal max int plus \n and \0 */
-
- copy_from_user(buff, user_buf, sizeof(buff));
- val = kstrtoul(buff, 10, NULL);
- if (val > 9)
- val = 9;
-
- memset(&crq, 0, sizeof(crq));
- crq.control_ras.first = IBMVNIC_CRQ_CMD;
- crq.control_ras.cmd = CONTROL_RAS;
- crq.control_ras.correlator =
- adapter->ras_comps[ras_comp_int->num].correlator;
- crq.control_ras.op = IBMVNIC_TRACE_LEVEL;
- crq.control_ras.level = val;
- ibmvnic_send_crq(adapter, &crq);
-
- return len;
-}
-
-static const struct file_operations trace_level_ops = {
- .owner = THIS_MODULE,
- .open = simple_open,
- .read = trace_level_read,
- .write = trace_level_write,
-};
-
-static ssize_t trace_buff_size_read(struct file *file, char __user *user_buf,
- size_t len, loff_t *ppos)
-{
- struct ibmvnic_fw_comp_internal *ras_comp_int = file->private_data;
- struct ibmvnic_adapter *adapter = ras_comp_int->adapter;
- int num = ras_comp_int->num;
- char buff[9]; /* decimal max int plus \n and \0 */
- int size;
-
- size = sprintf(buff, "%d\n", adapter->ras_comps[num].trace_buff_size);
- if (*ppos >= size)
- return 0;
-
- copy_to_user(user_buf, buff, size);
- *ppos += size;
- return size;
-}
-
-static ssize_t trace_buff_size_write(struct file *file,
- const char __user *user_buf, size_t len,
- loff_t *ppos)
-{
- struct ibmvnic_fw_comp_internal *ras_comp_int = file->private_data;
- struct ibmvnic_adapter *adapter = ras_comp_int->adapter;
- union ibmvnic_crq crq;
- unsigned long val;
- char buff[9]; /* decimal max int plus \n and \0 */
-
- copy_from_user(buff, user_buf, sizeof(buff));
- val = kstrtoul(buff, 10, NULL);
-
- memset(&crq, 0, sizeof(crq));
- crq.control_ras.first = IBMVNIC_CRQ_CMD;
- crq.control_ras.cmd = CONTROL_RAS;
- crq.control_ras.correlator =
- adapter->ras_comps[ras_comp_int->num].correlator;
- crq.control_ras.op = IBMVNIC_CHG_TRACE_BUFF_SZ;
- /* trace_buff_sz is 3 bytes, stuff an int into it */
- crq.control_ras.trace_buff_sz[0] = ((u8 *)(&val))[5];
- crq.control_ras.trace_buff_sz[1] = ((u8 *)(&val))[6];
- crq.control_ras.trace_buff_sz[2] = ((u8 *)(&val))[7];
- ibmvnic_send_crq(adapter, &crq);
-
- return len;
-}
-
-static const struct file_operations trace_size_ops = {
- .owner = THIS_MODULE,
- .open = simple_open,
- .read = trace_buff_size_read,
- .write = trace_buff_size_write,
-};
-
-static void handle_request_ras_comps_rsp(union ibmvnic_crq *crq,
- struct ibmvnic_adapter *adapter)
-{
- struct device *dev = &adapter->vdev->dev;
- struct dentry *dir_ent;
- struct dentry *ent;
- int i;
-
- debugfs_remove_recursive(adapter->ras_comps_ent);
-
- adapter->ras_comps_ent = debugfs_create_dir("ras_comps",
- adapter->debugfs_dir);
- if (!adapter->ras_comps_ent || IS_ERR(adapter->ras_comps_ent)) {
- dev_info(dev, "debugfs create ras_comps dir failed\n");
- return;
- }
-
- for (i = 0; i < adapter->ras_comp_num; i++) {
- dir_ent = debugfs_create_dir(adapter->ras_comps[i].name,
- adapter->ras_comps_ent);
- if (!dir_ent || IS_ERR(dir_ent)) {
- dev_info(dev, "debugfs create %s dir failed\n",
- adapter->ras_comps[i].name);
- continue;
- }
-
- adapter->ras_comp_int[i].adapter = adapter;
- adapter->ras_comp_int[i].num = i;
- adapter->ras_comp_int[i].desc_blob.data =
- &adapter->ras_comps[i].description;
- adapter->ras_comp_int[i].desc_blob.size =
- sizeof(adapter->ras_comps[i].description);
-
- /* Don't need to remember the dentry's because the debugfs dir
- * gets removed recursively
- */
- ent = debugfs_create_blob("description", S_IRUGO, dir_ent,
- &adapter->ras_comp_int[i].desc_blob);
- ent = debugfs_create_file("trace_buf_size", S_IRUGO | S_IWUSR,
- dir_ent, &adapter->ras_comp_int[i],
- &trace_size_ops);
- ent = debugfs_create_file("trace_level",
- S_IRUGO |
- (adapter->ras_comps[i].trace_level !=
- 0xFF ? S_IWUSR : 0),
- dir_ent, &adapter->ras_comp_int[i],
- &trace_level_ops);
- ent = debugfs_create_file("error_level",
- S_IRUGO |
- (adapter->
- ras_comps[i].error_check_level !=
- 0xFF ? S_IWUSR : 0),
- dir_ent, &adapter->ras_comp_int[i],
- &trace_level_ops);
- ent = debugfs_create_file("tracing", S_IRUGO | S_IWUSR,
- dir_ent, &adapter->ras_comp_int[i],
- &tracing_ops);
- ent = debugfs_create_file("paused", S_IRUGO | S_IWUSR,
- dir_ent, &adapter->ras_comp_int[i],
- &paused_ops);
- ent = debugfs_create_file("trace", S_IRUGO, dir_ent,
- &adapter->ras_comp_int[i],
- &trace_ops);
- }
-}
-
-static void handle_request_ras_comp_num_rsp(union ibmvnic_crq *crq,
- struct ibmvnic_adapter *adapter)
-{
- int len = adapter->ras_comp_num * sizeof(struct ibmvnic_fw_component);
- struct device *dev = &adapter->vdev->dev;
- union ibmvnic_crq newcrq;
-
- adapter->ras_comps = dma_alloc_coherent(dev, len,
- &adapter->ras_comps_tok,
- GFP_KERNEL);
- if (!adapter->ras_comps) {
- if (!firmware_has_feature(FW_FEATURE_CMO))
- dev_err(dev, "Couldn't alloc fw comps buffer\n");
- return;
- }
-
- adapter->ras_comp_int = kmalloc(adapter->ras_comp_num *
- sizeof(struct ibmvnic_fw_comp_internal),
- GFP_KERNEL);
- if (!adapter->ras_comp_int)
- dma_free_coherent(dev, len, adapter->ras_comps,
- adapter->ras_comps_tok);
-
- memset(&newcrq, 0, sizeof(newcrq));
- newcrq.request_ras_comps.first = IBMVNIC_CRQ_CMD;
- newcrq.request_ras_comps.cmd = REQUEST_RAS_COMPS;
- newcrq.request_ras_comps.ioba = cpu_to_be32(adapter->ras_comps_tok);
- newcrq.request_ras_comps.len = cpu_to_be32(len);
- ibmvnic_send_crq(adapter, &newcrq);
-}
-
static void ibmvnic_free_inflight(struct ibmvnic_adapter *adapter)
{
struct ibmvnic_inflight_cmd *inflight_cmd, *tmp1;
kfree(adapter->login_rsp_buf);
kfree(adapter->login_buf);
break;
- case REQUEST_DUMP:
- complete(&adapter->fw_done);
- break;
case REQUEST_ERROR_INFO:
spin_lock_irqsave(&adapter->error_list_lock, flags2);
list_for_each_entry_safe(error_buff, tmp2,
netdev_dbg(netdev, "Got Statistics Response\n");
complete(&adapter->stats_done);
break;
- case REQUEST_DUMP_SIZE_RSP:
- netdev_dbg(netdev, "Got Request Dump Size Response\n");
- handle_dump_size_rsp(crq, adapter);
- break;
- case REQUEST_DUMP_RSP:
- netdev_dbg(netdev, "Got Request Dump Response\n");
- complete(&adapter->fw_done);
- break;
case QUERY_IP_OFFLOAD_RSP:
netdev_dbg(netdev, "Got Query IP offload Response\n");
handle_query_ip_offload_rsp(adapter);
DMA_TO_DEVICE);
complete(&adapter->init_done);
break;
- case REQUEST_RAS_COMP_NUM_RSP:
- netdev_dbg(netdev, "Got Request RAS Comp Num Response\n");
- if (crq->request_ras_comp_num_rsp.rc.code == 10) {
- netdev_dbg(netdev, "Request RAS Comp Num not supported\n");
- break;
- }
- adapter->ras_comp_num =
- be32_to_cpu(crq->request_ras_comp_num_rsp.num_components);
- handle_request_ras_comp_num_rsp(crq, adapter);
- break;
- case REQUEST_RAS_COMPS_RSP:
- netdev_dbg(netdev, "Got Request RAS Comps Response\n");
- handle_request_ras_comps_rsp(crq, adapter);
- break;
- case CONTROL_RAS_RSP:
- netdev_dbg(netdev, "Got Control RAS Response\n");
- handle_control_ras_rsp(crq, adapter);
- break;
case COLLECT_FW_TRACE_RSP:
netdev_dbg(netdev, "Got Collect firmware trace Response\n");
complete(&adapter->fw_done);
return retrc;
}
-/* debugfs for dump */
-static int ibmvnic_dump_show(struct seq_file *seq, void *v)
-{
- struct net_device *netdev = seq->private;
- struct ibmvnic_adapter *adapter = netdev_priv(netdev);
- struct device *dev = &adapter->vdev->dev;
- union ibmvnic_crq crq;
-
- memset(&crq, 0, sizeof(crq));
- crq.request_dump_size.first = IBMVNIC_CRQ_CMD;
- crq.request_dump_size.cmd = REQUEST_DUMP_SIZE;
-
- init_completion(&adapter->fw_done);
- ibmvnic_send_crq(adapter, &crq);
- wait_for_completion(&adapter->fw_done);
-
- seq_write(seq, adapter->dump_data, adapter->dump_data_size);
-
- dma_unmap_single(dev, adapter->dump_data_token, adapter->dump_data_size,
- DMA_BIDIRECTIONAL);
-
- kfree(adapter->dump_data);
-
- return 0;
-}
-
-static int ibmvnic_dump_open(struct inode *inode, struct file *file)
-{
- return single_open(file, ibmvnic_dump_show, inode->i_private);
-}
-
-static const struct file_operations ibmvnic_dump_ops = {
- .owner = THIS_MODULE,
- .open = ibmvnic_dump_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
static void handle_crq_init_rsp(struct work_struct *work)
{
struct ibmvnic_adapter *adapter = container_of(work,
{
struct device *dev = &adapter->vdev->dev;
unsigned long timeout = msecs_to_jiffies(30000);
- struct dentry *ent;
- char buf[17]; /* debugfs name buf */
int rc;
rc = ibmvnic_init_crq_queue(adapter);
return -ENOMEM;
}
- snprintf(buf, sizeof(buf), "ibmvnic_%x", adapter->vdev->unit_address);
- ent = debugfs_create_dir(buf, NULL);
- if (!ent || IS_ERR(ent)) {
- dev_info(dev, "debugfs create directory failed\n");
- adapter->debugfs_dir = NULL;
- } else {
- adapter->debugfs_dir = ent;
- ent = debugfs_create_file("dump", S_IRUGO,
- adapter->debugfs_dir,
- adapter->netdev, &ibmvnic_dump_ops);
- if (!ent || IS_ERR(ent)) {
- dev_info(dev, "debugfs create dump file failed\n");
- adapter->debugfs_dump = NULL;
- } else {
- adapter->debugfs_dump = ent;
- }
- }
-
init_completion(&adapter->init_done);
ibmvnic_send_crq_init(adapter);
if (!wait_for_completion_timeout(&adapter->init_done, timeout)) {
dev_err(dev, "Initialization sequence timed out\n");
- if (adapter->debugfs_dir && !IS_ERR(adapter->debugfs_dir))
- debugfs_remove_recursive(adapter->debugfs_dir);
ibmvnic_release_crq_queue(adapter);
return -1;
}
projects / users / hch / configfs.git / commitdiff