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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-04 01:49:36 +00:00
[SCSI] ibmvscsi: Enhanced error logging
Converts ibmvscsi to use dev_printk and friends to simplify debugging. ibmvscsi adapter initialization now looks like this: ibmvscsi 30000005: SRP_VERSION: 16.a ibmvscsi 30000005: partner initialization complete ibmvscsi 30000005: sent SRP login ibmvscsi 30000005: SRP_LOGIN succeeded Additionally, this patch adds the logging of a couple return codes in a couple logs. Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
parent
2a7309372f
commit
6c0a60ec52
2 changed files with 100 additions and 128 deletions
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@ -173,9 +173,8 @@ static void release_event_pool(struct event_pool *pool,
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}
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}
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}
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}
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if (in_use)
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if (in_use)
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printk(KERN_WARNING
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dev_warn(hostdata->dev, "releasing event pool with %d "
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"ibmvscsi: releasing event pool with %d "
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"events still in use?\n", in_use);
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"events still in use?\n", in_use);
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kfree(pool->events);
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kfree(pool->events);
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dma_free_coherent(hostdata->dev,
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dma_free_coherent(hostdata->dev,
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pool->size * sizeof(*pool->iu_storage),
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pool->size * sizeof(*pool->iu_storage),
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@ -210,15 +209,13 @@ static void free_event_struct(struct event_pool *pool,
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struct srp_event_struct *evt)
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struct srp_event_struct *evt)
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{
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{
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if (!valid_event_struct(pool, evt)) {
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if (!valid_event_struct(pool, evt)) {
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printk(KERN_ERR
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dev_err(evt->hostdata->dev, "Freeing invalid event_struct %p "
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"ibmvscsi: Freeing invalid event_struct %p "
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"(not in pool %p)\n", evt, pool->events);
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"(not in pool %p)\n", evt, pool->events);
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return;
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return;
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}
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}
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if (atomic_inc_return(&evt->free) != 1) {
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if (atomic_inc_return(&evt->free) != 1) {
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printk(KERN_ERR
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dev_err(evt->hostdata->dev, "Freeing event_struct %p "
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"ibmvscsi: Freeing event_struct %p "
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"which is not in use!\n", evt);
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"which is not in use!\n", evt);
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return;
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return;
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}
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}
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}
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}
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@ -426,10 +423,9 @@ static int map_sg_data(struct scsi_cmnd *cmd,
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SG_ALL * sizeof(struct srp_direct_buf),
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SG_ALL * sizeof(struct srp_direct_buf),
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&evt_struct->ext_list_token, 0);
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&evt_struct->ext_list_token, 0);
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if (!evt_struct->ext_list) {
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if (!evt_struct->ext_list) {
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printk(KERN_ERR
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sdev_printk(KERN_ERR, cmd->device,
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"ibmvscsi: Can't allocate memory for indirect table\n");
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"Can't allocate memory for indirect table\n");
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return 0;
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return 0;
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}
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}
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}
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}
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@ -464,8 +460,8 @@ static int map_single_data(struct scsi_cmnd *cmd,
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cmd->request_bufflen,
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cmd->request_bufflen,
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DMA_BIDIRECTIONAL);
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DMA_BIDIRECTIONAL);
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if (dma_mapping_error(data->va)) {
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if (dma_mapping_error(data->va)) {
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printk(KERN_ERR
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sdev_printk(KERN_ERR, cmd->device,
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"ibmvscsi: Unable to map request_buffer for command!\n");
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"Unable to map request_buffer for command!\n");
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return 0;
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return 0;
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}
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}
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data->len = cmd->request_bufflen;
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data->len = cmd->request_bufflen;
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@ -496,13 +492,13 @@ static int map_data_for_srp_cmd(struct scsi_cmnd *cmd,
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case DMA_NONE:
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case DMA_NONE:
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return 1;
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return 1;
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case DMA_BIDIRECTIONAL:
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case DMA_BIDIRECTIONAL:
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printk(KERN_ERR
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sdev_printk(KERN_ERR, cmd->device,
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"ibmvscsi: Can't map DMA_BIDIRECTIONAL to read/write\n");
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"Can't map DMA_BIDIRECTIONAL to read/write\n");
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return 0;
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return 0;
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default:
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default:
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printk(KERN_ERR
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sdev_printk(KERN_ERR, cmd->device,
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"ibmvscsi: Unknown data direction 0x%02x; can't map!\n",
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"Unknown data direction 0x%02x; can't map!\n",
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cmd->sc_data_direction);
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cmd->sc_data_direction);
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return 0;
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return 0;
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}
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}
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@ -585,8 +581,7 @@ static int ibmvscsi_send_srp_event(struct srp_event_struct *evt_struct,
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ibmvscsi_send_crq(hostdata, crq_as_u64[0], crq_as_u64[1])) != 0) {
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ibmvscsi_send_crq(hostdata, crq_as_u64[0], crq_as_u64[1])) != 0) {
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list_del(&evt_struct->list);
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list_del(&evt_struct->list);
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printk(KERN_ERR "ibmvscsi: send error %d\n",
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dev_err(hostdata->dev, "send error %d\n", rc);
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rc);
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atomic_inc(&hostdata->request_limit);
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atomic_inc(&hostdata->request_limit);
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goto send_error;
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goto send_error;
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}
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}
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@ -627,9 +622,8 @@ static void handle_cmd_rsp(struct srp_event_struct *evt_struct)
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if (unlikely(rsp->opcode != SRP_RSP)) {
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if (unlikely(rsp->opcode != SRP_RSP)) {
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if (printk_ratelimit())
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if (printk_ratelimit())
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printk(KERN_WARNING
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dev_warn(evt_struct->hostdata->dev,
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"ibmvscsi: bad SRP RSP type %d\n",
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"bad SRP RSP type %d\n", rsp->opcode);
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rsp->opcode);
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}
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}
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if (cmnd) {
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if (cmnd) {
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@ -690,7 +684,7 @@ static int ibmvscsi_queuecommand(struct scsi_cmnd *cmnd,
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srp_cmd->lun = ((u64) lun) << 48;
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srp_cmd->lun = ((u64) lun) << 48;
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if (!map_data_for_srp_cmd(cmnd, evt_struct, srp_cmd, hostdata->dev)) {
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if (!map_data_for_srp_cmd(cmnd, evt_struct, srp_cmd, hostdata->dev)) {
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printk(KERN_ERR "ibmvscsi: couldn't convert cmd to srp_cmd\n");
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sdev_printk(KERN_ERR, cmnd->device, "couldn't convert cmd to srp_cmd\n");
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free_event_struct(&hostdata->pool, evt_struct);
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free_event_struct(&hostdata->pool, evt_struct);
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return SCSI_MLQUEUE_HOST_BUSY;
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return SCSI_MLQUEUE_HOST_BUSY;
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}
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}
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@ -737,16 +731,16 @@ static void adapter_info_rsp(struct srp_event_struct *evt_struct)
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DMA_BIDIRECTIONAL);
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DMA_BIDIRECTIONAL);
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if (evt_struct->xfer_iu->mad.adapter_info.common.status) {
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if (evt_struct->xfer_iu->mad.adapter_info.common.status) {
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printk("ibmvscsi: error %d getting adapter info\n",
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dev_err(hostdata->dev, "error %d getting adapter info\n",
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evt_struct->xfer_iu->mad.adapter_info.common.status);
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evt_struct->xfer_iu->mad.adapter_info.common.status);
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} else {
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} else {
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printk("ibmvscsi: host srp version: %s, "
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dev_info(hostdata->dev, "host srp version: %s, "
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"host partition %s (%d), OS %d, max io %u\n",
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"host partition %s (%d), OS %d, max io %u\n",
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hostdata->madapter_info.srp_version,
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hostdata->madapter_info.srp_version,
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hostdata->madapter_info.partition_name,
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hostdata->madapter_info.partition_name,
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hostdata->madapter_info.partition_number,
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hostdata->madapter_info.partition_number,
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hostdata->madapter_info.os_type,
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hostdata->madapter_info.os_type,
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hostdata->madapter_info.port_max_txu[0]);
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hostdata->madapter_info.port_max_txu[0]);
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if (hostdata->madapter_info.port_max_txu[0])
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if (hostdata->madapter_info.port_max_txu[0])
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hostdata->host->max_sectors =
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hostdata->host->max_sectors =
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@ -754,11 +748,10 @@ static void adapter_info_rsp(struct srp_event_struct *evt_struct)
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if (hostdata->madapter_info.os_type == 3 &&
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if (hostdata->madapter_info.os_type == 3 &&
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strcmp(hostdata->madapter_info.srp_version, "1.6a") <= 0) {
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strcmp(hostdata->madapter_info.srp_version, "1.6a") <= 0) {
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printk("ibmvscsi: host (Ver. %s) doesn't support large"
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dev_err(hostdata->dev, "host (Ver. %s) doesn't support large transfers\n",
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"transfers\n",
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hostdata->madapter_info.srp_version);
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hostdata->madapter_info.srp_version);
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dev_err(hostdata->dev, "limiting scatterlists to %d\n",
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printk("ibmvscsi: limiting scatterlists to %d\n",
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MAX_INDIRECT_BUFS);
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MAX_INDIRECT_BUFS);
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hostdata->host->sg_tablesize = MAX_INDIRECT_BUFS;
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hostdata->host->sg_tablesize = MAX_INDIRECT_BUFS;
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}
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}
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}
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}
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@ -781,8 +774,8 @@ static void send_mad_adapter_info(struct ibmvscsi_host_data *hostdata)
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evt_struct = get_event_struct(&hostdata->pool);
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evt_struct = get_event_struct(&hostdata->pool);
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if (!evt_struct) {
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if (!evt_struct) {
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printk(KERN_ERR "ibmvscsi: couldn't allocate an event "
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dev_err(hostdata->dev,
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"for ADAPTER_INFO_REQ!\n");
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"couldn't allocate an event for ADAPTER_INFO_REQ!\n");
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return;
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return;
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}
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}
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@ -802,15 +795,13 @@ static void send_mad_adapter_info(struct ibmvscsi_host_data *hostdata)
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DMA_BIDIRECTIONAL);
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DMA_BIDIRECTIONAL);
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if (dma_mapping_error(req->buffer)) {
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if (dma_mapping_error(req->buffer)) {
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printk(KERN_ERR
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dev_err(hostdata->dev, "Unable to map request_buffer for adapter_info!\n");
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"ibmvscsi: Unable to map request_buffer "
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"for adapter_info!\n");
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free_event_struct(&hostdata->pool, evt_struct);
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free_event_struct(&hostdata->pool, evt_struct);
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return;
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return;
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}
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}
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if (ibmvscsi_send_srp_event(evt_struct, hostdata)) {
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if (ibmvscsi_send_srp_event(evt_struct, hostdata)) {
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printk(KERN_ERR "ibmvscsi: couldn't send ADAPTER_INFO_REQ!\n");
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dev_err(hostdata->dev, "couldn't send ADAPTER_INFO_REQ!\n");
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dma_unmap_single(hostdata->dev,
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dma_unmap_single(hostdata->dev,
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addr,
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addr,
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sizeof(hostdata->madapter_info),
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sizeof(hostdata->madapter_info),
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@ -832,24 +823,23 @@ static void login_rsp(struct srp_event_struct *evt_struct)
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case SRP_LOGIN_RSP: /* it worked! */
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case SRP_LOGIN_RSP: /* it worked! */
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break;
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break;
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case SRP_LOGIN_REJ: /* refused! */
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case SRP_LOGIN_REJ: /* refused! */
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printk(KERN_INFO "ibmvscsi: SRP_LOGIN_REJ reason %u\n",
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dev_info(hostdata->dev, "SRP_LOGIN_REJ reason %u\n",
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evt_struct->xfer_iu->srp.login_rej.reason);
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evt_struct->xfer_iu->srp.login_rej.reason);
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/* Login failed. */
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/* Login failed. */
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atomic_set(&hostdata->request_limit, -1);
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atomic_set(&hostdata->request_limit, -1);
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return;
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return;
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default:
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default:
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printk(KERN_ERR
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dev_err(hostdata->dev, "Invalid login response typecode 0x%02x!\n",
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"ibmvscsi: Invalid login response typecode 0x%02x!\n",
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evt_struct->xfer_iu->srp.login_rsp.opcode);
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evt_struct->xfer_iu->srp.login_rsp.opcode);
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/* Login failed. */
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/* Login failed. */
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atomic_set(&hostdata->request_limit, -1);
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atomic_set(&hostdata->request_limit, -1);
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return;
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return;
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}
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}
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printk(KERN_INFO "ibmvscsi: SRP_LOGIN succeeded\n");
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dev_info(hostdata->dev, "SRP_LOGIN succeeded\n");
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if (evt_struct->xfer_iu->srp.login_rsp.req_lim_delta < 0)
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if (evt_struct->xfer_iu->srp.login_rsp.req_lim_delta < 0)
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printk(KERN_ERR "ibmvscsi: Invalid request_limit.\n");
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dev_err(hostdata->dev, "Invalid request_limit.\n");
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/* Now we know what the real request-limit is.
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/* Now we know what the real request-limit is.
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* This value is set rather than added to request_limit because
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* This value is set rather than added to request_limit because
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@ -878,8 +868,7 @@ static int send_srp_login(struct ibmvscsi_host_data *hostdata)
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struct srp_login_req *login;
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struct srp_login_req *login;
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struct srp_event_struct *evt_struct = get_event_struct(&hostdata->pool);
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struct srp_event_struct *evt_struct = get_event_struct(&hostdata->pool);
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if (!evt_struct) {
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if (!evt_struct) {
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printk(KERN_ERR
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dev_err(hostdata->dev, "couldn't allocate an event for login req!\n");
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"ibmvscsi: couldn't allocate an event for login req!\n");
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return FAILED;
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return FAILED;
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}
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}
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@ -902,7 +891,7 @@ static int send_srp_login(struct ibmvscsi_host_data *hostdata)
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rc = ibmvscsi_send_srp_event(evt_struct, hostdata);
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rc = ibmvscsi_send_srp_event(evt_struct, hostdata);
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spin_unlock_irqrestore(hostdata->host->host_lock, flags);
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spin_unlock_irqrestore(hostdata->host->host_lock, flags);
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printk("ibmvscsic: sent SRP login\n");
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dev_info(hostdata->dev, "sent SRP login\n");
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return rc;
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return rc;
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};
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};
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@ -957,7 +946,7 @@ static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd)
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evt = get_event_struct(&hostdata->pool);
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evt = get_event_struct(&hostdata->pool);
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if (evt == NULL) {
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if (evt == NULL) {
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spin_unlock_irqrestore(hostdata->host->host_lock, flags);
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spin_unlock_irqrestore(hostdata->host->host_lock, flags);
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printk(KERN_ERR "ibmvscsi: failed to allocate abort event\n");
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sdev_printk(KERN_ERR, cmd->device, "failed to allocate abort event\n");
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return FAILED;
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return FAILED;
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}
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}
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@ -975,15 +964,16 @@ static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd)
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tsk_mgmt->tsk_mgmt_func = SRP_TSK_ABORT_TASK;
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tsk_mgmt->tsk_mgmt_func = SRP_TSK_ABORT_TASK;
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tsk_mgmt->task_tag = (u64) found_evt;
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tsk_mgmt->task_tag = (u64) found_evt;
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printk(KERN_INFO "ibmvscsi: aborting command. lun 0x%lx, tag 0x%lx\n",
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sdev_printk(KERN_INFO, cmd->device, "aborting command. lun 0x%lx, tag 0x%lx\n",
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tsk_mgmt->lun, tsk_mgmt->task_tag);
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tsk_mgmt->lun, tsk_mgmt->task_tag);
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evt->sync_srp = &srp_rsp;
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evt->sync_srp = &srp_rsp;
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init_completion(&evt->comp);
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init_completion(&evt->comp);
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rsp_rc = ibmvscsi_send_srp_event(evt, hostdata);
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rsp_rc = ibmvscsi_send_srp_event(evt, hostdata);
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spin_unlock_irqrestore(hostdata->host->host_lock, flags);
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spin_unlock_irqrestore(hostdata->host->host_lock, flags);
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if (rsp_rc != 0) {
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if (rsp_rc != 0) {
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printk(KERN_ERR "ibmvscsi: failed to send abort() event\n");
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sdev_printk(KERN_ERR, cmd->device,
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"failed to send abort() event. rc=%d\n", rsp_rc);
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return FAILED;
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return FAILED;
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}
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}
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@ -992,9 +982,8 @@ static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd)
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/* make sure we got a good response */
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/* make sure we got a good response */
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if (unlikely(srp_rsp.srp.rsp.opcode != SRP_RSP)) {
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if (unlikely(srp_rsp.srp.rsp.opcode != SRP_RSP)) {
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if (printk_ratelimit())
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if (printk_ratelimit())
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printk(KERN_WARNING
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sdev_printk(KERN_WARNING, cmd->device, "abort bad SRP RSP type %d\n",
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"ibmvscsi: abort bad SRP RSP type %d\n",
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srp_rsp.srp.rsp.opcode);
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srp_rsp.srp.rsp.opcode);
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return FAILED;
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return FAILED;
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}
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}
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@ -1005,10 +994,9 @@ static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd)
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if (rsp_rc) {
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if (rsp_rc) {
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if (printk_ratelimit())
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if (printk_ratelimit())
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printk(KERN_WARNING
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sdev_printk(KERN_WARNING, cmd->device,
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"ibmvscsi: abort code %d for task tag 0x%lx\n",
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"abort code %d for task tag 0x%lx\n",
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rsp_rc,
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rsp_rc, tsk_mgmt->task_tag);
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tsk_mgmt->task_tag);
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return FAILED;
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return FAILED;
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}
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}
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@ -1027,15 +1015,13 @@ static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd)
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if (found_evt == NULL) {
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if (found_evt == NULL) {
|
||||||
spin_unlock_irqrestore(hostdata->host->host_lock, flags);
|
spin_unlock_irqrestore(hostdata->host->host_lock, flags);
|
||||||
printk(KERN_INFO
|
sdev_printk(KERN_INFO, cmd->device, "aborted task tag 0x%lx completed\n",
|
||||||
"ibmvscsi: aborted task tag 0x%lx completed\n",
|
tsk_mgmt->task_tag);
|
||||||
tsk_mgmt->task_tag);
|
|
||||||
return SUCCESS;
|
return SUCCESS;
|
||||||
}
|
}
|
||||||
|
|
||||||
printk(KERN_INFO
|
sdev_printk(KERN_INFO, cmd->device, "successfully aborted task tag 0x%lx\n",
|
||||||
"ibmvscsi: successfully aborted task tag 0x%lx\n",
|
tsk_mgmt->task_tag);
|
||||||
tsk_mgmt->task_tag);
|
|
||||||
|
|
||||||
cmd->result = (DID_ABORT << 16);
|
cmd->result = (DID_ABORT << 16);
|
||||||
list_del(&found_evt->list);
|
list_del(&found_evt->list);
|
||||||
|
@ -1069,7 +1055,7 @@ static int ibmvscsi_eh_device_reset_handler(struct scsi_cmnd *cmd)
|
||||||
evt = get_event_struct(&hostdata->pool);
|
evt = get_event_struct(&hostdata->pool);
|
||||||
if (evt == NULL) {
|
if (evt == NULL) {
|
||||||
spin_unlock_irqrestore(hostdata->host->host_lock, flags);
|
spin_unlock_irqrestore(hostdata->host->host_lock, flags);
|
||||||
printk(KERN_ERR "ibmvscsi: failed to allocate reset event\n");
|
sdev_printk(KERN_ERR, cmd->device, "failed to allocate reset event\n");
|
||||||
return FAILED;
|
return FAILED;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -1086,15 +1072,16 @@ static int ibmvscsi_eh_device_reset_handler(struct scsi_cmnd *cmd)
|
||||||
tsk_mgmt->lun = ((u64) lun) << 48;
|
tsk_mgmt->lun = ((u64) lun) << 48;
|
||||||
tsk_mgmt->tsk_mgmt_func = SRP_TSK_LUN_RESET;
|
tsk_mgmt->tsk_mgmt_func = SRP_TSK_LUN_RESET;
|
||||||
|
|
||||||
printk(KERN_INFO "ibmvscsi: resetting device. lun 0x%lx\n",
|
sdev_printk(KERN_INFO, cmd->device, "resetting device. lun 0x%lx\n",
|
||||||
tsk_mgmt->lun);
|
tsk_mgmt->lun);
|
||||||
|
|
||||||
evt->sync_srp = &srp_rsp;
|
evt->sync_srp = &srp_rsp;
|
||||||
init_completion(&evt->comp);
|
init_completion(&evt->comp);
|
||||||
rsp_rc = ibmvscsi_send_srp_event(evt, hostdata);
|
rsp_rc = ibmvscsi_send_srp_event(evt, hostdata);
|
||||||
spin_unlock_irqrestore(hostdata->host->host_lock, flags);
|
spin_unlock_irqrestore(hostdata->host->host_lock, flags);
|
||||||
if (rsp_rc != 0) {
|
if (rsp_rc != 0) {
|
||||||
printk(KERN_ERR "ibmvscsi: failed to send reset event\n");
|
sdev_printk(KERN_ERR, cmd->device,
|
||||||
|
"failed to send reset event. rc=%d\n", rsp_rc);
|
||||||
return FAILED;
|
return FAILED;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -1103,9 +1090,8 @@ static int ibmvscsi_eh_device_reset_handler(struct scsi_cmnd *cmd)
|
||||||
/* make sure we got a good response */
|
/* make sure we got a good response */
|
||||||
if (unlikely(srp_rsp.srp.rsp.opcode != SRP_RSP)) {
|
if (unlikely(srp_rsp.srp.rsp.opcode != SRP_RSP)) {
|
||||||
if (printk_ratelimit())
|
if (printk_ratelimit())
|
||||||
printk(KERN_WARNING
|
sdev_printk(KERN_WARNING, cmd->device, "reset bad SRP RSP type %d\n",
|
||||||
"ibmvscsi: reset bad SRP RSP type %d\n",
|
srp_rsp.srp.rsp.opcode);
|
||||||
srp_rsp.srp.rsp.opcode);
|
|
||||||
return FAILED;
|
return FAILED;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -1116,9 +1102,9 @@ static int ibmvscsi_eh_device_reset_handler(struct scsi_cmnd *cmd)
|
||||||
|
|
||||||
if (rsp_rc) {
|
if (rsp_rc) {
|
||||||
if (printk_ratelimit())
|
if (printk_ratelimit())
|
||||||
printk(KERN_WARNING
|
sdev_printk(KERN_WARNING, cmd->device,
|
||||||
"ibmvscsi: reset code %d for task tag 0x%lx\n",
|
"reset code %d for task tag 0x%lx\n",
|
||||||
rsp_rc, tsk_mgmt->task_tag);
|
rsp_rc, tsk_mgmt->task_tag);
|
||||||
return FAILED;
|
return FAILED;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -1184,6 +1170,7 @@ static void purge_requests(struct ibmvscsi_host_data *hostdata, int error_code)
|
||||||
void ibmvscsi_handle_crq(struct viosrp_crq *crq,
|
void ibmvscsi_handle_crq(struct viosrp_crq *crq,
|
||||||
struct ibmvscsi_host_data *hostdata)
|
struct ibmvscsi_host_data *hostdata)
|
||||||
{
|
{
|
||||||
|
long rc;
|
||||||
unsigned long flags;
|
unsigned long flags;
|
||||||
struct srp_event_struct *evt_struct =
|
struct srp_event_struct *evt_struct =
|
||||||
(struct srp_event_struct *)crq->IU_data_ptr;
|
(struct srp_event_struct *)crq->IU_data_ptr;
|
||||||
|
@ -1191,27 +1178,25 @@ void ibmvscsi_handle_crq(struct viosrp_crq *crq,
|
||||||
case 0xC0: /* initialization */
|
case 0xC0: /* initialization */
|
||||||
switch (crq->format) {
|
switch (crq->format) {
|
||||||
case 0x01: /* Initialization message */
|
case 0x01: /* Initialization message */
|
||||||
printk(KERN_INFO "ibmvscsi: partner initialized\n");
|
dev_info(hostdata->dev, "partner initialized\n");
|
||||||
/* Send back a response */
|
/* Send back a response */
|
||||||
if (ibmvscsi_send_crq(hostdata,
|
if ((rc = ibmvscsi_send_crq(hostdata,
|
||||||
0xC002000000000000LL, 0) == 0) {
|
0xC002000000000000LL, 0)) == 0) {
|
||||||
/* Now login */
|
/* Now login */
|
||||||
send_srp_login(hostdata);
|
send_srp_login(hostdata);
|
||||||
} else {
|
} else {
|
||||||
printk(KERN_ERR
|
dev_err(hostdata->dev, "Unable to send init rsp. rc=%ld\n", rc);
|
||||||
"ibmvscsi: Unable to send init rsp\n");
|
|
||||||
}
|
}
|
||||||
|
|
||||||
break;
|
break;
|
||||||
case 0x02: /* Initialization response */
|
case 0x02: /* Initialization response */
|
||||||
printk(KERN_INFO
|
dev_info(hostdata->dev, "partner initialization complete\n");
|
||||||
"ibmvscsi: partner initialization complete\n");
|
|
||||||
|
|
||||||
/* Now login */
|
/* Now login */
|
||||||
send_srp_login(hostdata);
|
send_srp_login(hostdata);
|
||||||
break;
|
break;
|
||||||
default:
|
default:
|
||||||
printk(KERN_ERR "ibmvscsi: unknown crq message type\n");
|
dev_err(hostdata->dev, "unknown crq message type: %d\n", crq->format);
|
||||||
}
|
}
|
||||||
return;
|
return;
|
||||||
case 0xFF: /* Hypervisor telling us the connection is closed */
|
case 0xFF: /* Hypervisor telling us the connection is closed */
|
||||||
|
@ -1219,8 +1204,7 @@ void ibmvscsi_handle_crq(struct viosrp_crq *crq,
|
||||||
atomic_set(&hostdata->request_limit, 0);
|
atomic_set(&hostdata->request_limit, 0);
|
||||||
if (crq->format == 0x06) {
|
if (crq->format == 0x06) {
|
||||||
/* We need to re-setup the interpartition connection */
|
/* We need to re-setup the interpartition connection */
|
||||||
printk(KERN_INFO
|
dev_info(hostdata->dev, "Re-enabling adapter!\n");
|
||||||
"ibmvscsi: Re-enabling adapter!\n");
|
|
||||||
purge_requests(hostdata, DID_REQUEUE);
|
purge_requests(hostdata, DID_REQUEUE);
|
||||||
if ((ibmvscsi_reenable_crq_queue(&hostdata->queue,
|
if ((ibmvscsi_reenable_crq_queue(&hostdata->queue,
|
||||||
hostdata)) ||
|
hostdata)) ||
|
||||||
|
@ -1228,14 +1212,11 @@ void ibmvscsi_handle_crq(struct viosrp_crq *crq,
|
||||||
0xC001000000000000LL, 0))) {
|
0xC001000000000000LL, 0))) {
|
||||||
atomic_set(&hostdata->request_limit,
|
atomic_set(&hostdata->request_limit,
|
||||||
-1);
|
-1);
|
||||||
printk(KERN_ERR
|
dev_err(hostdata->dev, "error after enable\n");
|
||||||
"ibmvscsi: error after"
|
|
||||||
" enable\n");
|
|
||||||
}
|
}
|
||||||
} else {
|
} else {
|
||||||
printk(KERN_INFO
|
dev_err(hostdata->dev, "Virtual adapter failed rc %d!\n",
|
||||||
"ibmvscsi: Virtual adapter failed rc %d!\n",
|
crq->format);
|
||||||
crq->format);
|
|
||||||
|
|
||||||
purge_requests(hostdata, DID_ERROR);
|
purge_requests(hostdata, DID_ERROR);
|
||||||
if ((ibmvscsi_reset_crq_queue(&hostdata->queue,
|
if ((ibmvscsi_reset_crq_queue(&hostdata->queue,
|
||||||
|
@ -1244,8 +1225,7 @@ void ibmvscsi_handle_crq(struct viosrp_crq *crq,
|
||||||
0xC001000000000000LL, 0))) {
|
0xC001000000000000LL, 0))) {
|
||||||
atomic_set(&hostdata->request_limit,
|
atomic_set(&hostdata->request_limit,
|
||||||
-1);
|
-1);
|
||||||
printk(KERN_ERR
|
dev_err(hostdata->dev, "error after reset\n");
|
||||||
"ibmvscsi: error after reset\n");
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
scsi_unblock_requests(hostdata->host);
|
scsi_unblock_requests(hostdata->host);
|
||||||
|
@ -1253,9 +1233,8 @@ void ibmvscsi_handle_crq(struct viosrp_crq *crq,
|
||||||
case 0x80: /* real payload */
|
case 0x80: /* real payload */
|
||||||
break;
|
break;
|
||||||
default:
|
default:
|
||||||
printk(KERN_ERR
|
dev_err(hostdata->dev, "got an invalid message type 0x%02x\n",
|
||||||
"ibmvscsi: got an invalid message type 0x%02x\n",
|
crq->valid);
|
||||||
crq->valid);
|
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -1264,16 +1243,14 @@ void ibmvscsi_handle_crq(struct viosrp_crq *crq,
|
||||||
* actually sent
|
* actually sent
|
||||||
*/
|
*/
|
||||||
if (!valid_event_struct(&hostdata->pool, evt_struct)) {
|
if (!valid_event_struct(&hostdata->pool, evt_struct)) {
|
||||||
printk(KERN_ERR
|
dev_err(hostdata->dev, "returned correlation_token 0x%p is invalid!\n",
|
||||||
"ibmvscsi: returned correlation_token 0x%p is invalid!\n",
|
|
||||||
(void *)crq->IU_data_ptr);
|
(void *)crq->IU_data_ptr);
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
|
|
||||||
if (atomic_read(&evt_struct->free)) {
|
if (atomic_read(&evt_struct->free)) {
|
||||||
printk(KERN_ERR
|
dev_err(hostdata->dev, "received duplicate correlation_token 0x%p!\n",
|
||||||
"ibmvscsi: received duplicate correlation_token 0x%p!\n",
|
(void *)crq->IU_data_ptr);
|
||||||
(void *)crq->IU_data_ptr);
|
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -1284,8 +1261,7 @@ void ibmvscsi_handle_crq(struct viosrp_crq *crq,
|
||||||
if (evt_struct->done)
|
if (evt_struct->done)
|
||||||
evt_struct->done(evt_struct);
|
evt_struct->done(evt_struct);
|
||||||
else
|
else
|
||||||
printk(KERN_ERR
|
dev_err(hostdata->dev, "returned done() is NULL; not running it!\n");
|
||||||
"ibmvscsi: returned done() is NULL; not running it!\n");
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Lock the host_lock before messing with these structures, since we
|
* Lock the host_lock before messing with these structures, since we
|
||||||
|
@ -1311,8 +1287,7 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata,
|
||||||
|
|
||||||
evt_struct = get_event_struct(&hostdata->pool);
|
evt_struct = get_event_struct(&hostdata->pool);
|
||||||
if (!evt_struct) {
|
if (!evt_struct) {
|
||||||
printk(KERN_ERR
|
dev_err(hostdata->dev, "couldn't allocate event for HOST_CONFIG!\n");
|
||||||
"ibmvscsi: could't allocate event for HOST_CONFIG!\n");
|
|
||||||
return -1;
|
return -1;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -1332,8 +1307,7 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata,
|
||||||
DMA_BIDIRECTIONAL);
|
DMA_BIDIRECTIONAL);
|
||||||
|
|
||||||
if (dma_mapping_error(host_config->buffer)) {
|
if (dma_mapping_error(host_config->buffer)) {
|
||||||
printk(KERN_ERR
|
dev_err(hostdata->dev, "dma_mapping error getting host config\n");
|
||||||
"ibmvscsi: dma_mapping error " "getting host config\n");
|
|
||||||
free_event_struct(&hostdata->pool, evt_struct);
|
free_event_struct(&hostdata->pool, evt_struct);
|
||||||
return -1;
|
return -1;
|
||||||
}
|
}
|
||||||
|
@ -1556,7 +1530,7 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id)
|
||||||
driver_template.can_queue = max_requests;
|
driver_template.can_queue = max_requests;
|
||||||
host = scsi_host_alloc(&driver_template, sizeof(*hostdata));
|
host = scsi_host_alloc(&driver_template, sizeof(*hostdata));
|
||||||
if (!host) {
|
if (!host) {
|
||||||
printk(KERN_ERR "ibmvscsi: couldn't allocate host data\n");
|
dev_err(&vdev->dev, "couldn't allocate host data\n");
|
||||||
goto scsi_host_alloc_failed;
|
goto scsi_host_alloc_failed;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -1570,11 +1544,11 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id)
|
||||||
|
|
||||||
rc = ibmvscsi_init_crq_queue(&hostdata->queue, hostdata, max_requests);
|
rc = ibmvscsi_init_crq_queue(&hostdata->queue, hostdata, max_requests);
|
||||||
if (rc != 0 && rc != H_RESOURCE) {
|
if (rc != 0 && rc != H_RESOURCE) {
|
||||||
printk(KERN_ERR "ibmvscsi: couldn't initialize crq\n");
|
dev_err(&vdev->dev, "couldn't initialize crq. rc=%d\n", rc);
|
||||||
goto init_crq_failed;
|
goto init_crq_failed;
|
||||||
}
|
}
|
||||||
if (initialize_event_pool(&hostdata->pool, max_requests, hostdata) != 0) {
|
if (initialize_event_pool(&hostdata->pool, max_requests, hostdata) != 0) {
|
||||||
printk(KERN_ERR "ibmvscsi: couldn't initialize event pool\n");
|
dev_err(&vdev->dev, "couldn't initialize event pool\n");
|
||||||
goto init_pool_failed;
|
goto init_pool_failed;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
|
@ -177,7 +177,7 @@ static void set_adapter_info(struct ibmvscsi_host_data *hostdata)
|
||||||
memset(&hostdata->madapter_info, 0x00,
|
memset(&hostdata->madapter_info, 0x00,
|
||||||
sizeof(hostdata->madapter_info));
|
sizeof(hostdata->madapter_info));
|
||||||
|
|
||||||
printk(KERN_INFO "rpa_vscsi: SPR_VERSION: %s\n", SRP_VERSION);
|
dev_info(hostdata->dev, "SRP_VERSION: %s\n", SRP_VERSION);
|
||||||
strcpy(hostdata->madapter_info.srp_version, SRP_VERSION);
|
strcpy(hostdata->madapter_info.srp_version, SRP_VERSION);
|
||||||
|
|
||||||
strncpy(hostdata->madapter_info.partition_name, partition_name,
|
strncpy(hostdata->madapter_info.partition_name, partition_name,
|
||||||
|
@ -232,25 +232,24 @@ int ibmvscsi_init_crq_queue(struct crq_queue *queue,
|
||||||
|
|
||||||
if (rc == 2) {
|
if (rc == 2) {
|
||||||
/* Adapter is good, but other end is not ready */
|
/* Adapter is good, but other end is not ready */
|
||||||
printk(KERN_WARNING "ibmvscsi: Partner adapter not ready\n");
|
dev_warn(hostdata->dev, "Partner adapter not ready\n");
|
||||||
retrc = 0;
|
retrc = 0;
|
||||||
} else if (rc != 0) {
|
} else if (rc != 0) {
|
||||||
printk(KERN_WARNING "ibmvscsi: Error %d opening adapter\n", rc);
|
dev_warn(hostdata->dev, "Error %d opening adapter\n", rc);
|
||||||
goto reg_crq_failed;
|
goto reg_crq_failed;
|
||||||
}
|
}
|
||||||
|
|
||||||
if (request_irq(vdev->irq,
|
if (request_irq(vdev->irq,
|
||||||
ibmvscsi_handle_event,
|
ibmvscsi_handle_event,
|
||||||
0, "ibmvscsi", (void *)hostdata) != 0) {
|
0, "ibmvscsi", (void *)hostdata) != 0) {
|
||||||
printk(KERN_ERR "ibmvscsi: couldn't register irq 0x%x\n",
|
dev_err(hostdata->dev, "couldn't register irq 0x%x\n",
|
||||||
vdev->irq);
|
vdev->irq);
|
||||||
goto req_irq_failed;
|
goto req_irq_failed;
|
||||||
}
|
}
|
||||||
|
|
||||||
rc = vio_enable_interrupts(vdev);
|
rc = vio_enable_interrupts(vdev);
|
||||||
if (rc != 0) {
|
if (rc != 0) {
|
||||||
printk(KERN_ERR "ibmvscsi: Error %d enabling interrupts!!!\n",
|
dev_err(hostdata->dev, "Error %d enabling interrupts!!!\n", rc);
|
||||||
rc);
|
|
||||||
goto req_irq_failed;
|
goto req_irq_failed;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -294,7 +293,7 @@ int ibmvscsi_reenable_crq_queue(struct crq_queue *queue,
|
||||||
} while ((rc == H_IN_PROGRESS) || (rc == H_BUSY) || (H_IS_LONG_BUSY(rc)));
|
} while ((rc == H_IN_PROGRESS) || (rc == H_BUSY) || (H_IS_LONG_BUSY(rc)));
|
||||||
|
|
||||||
if (rc)
|
if (rc)
|
||||||
printk(KERN_ERR "ibmvscsi: Error %d enabling adapter\n", rc);
|
dev_err(hostdata->dev, "Error %d enabling adapter\n", rc);
|
||||||
return rc;
|
return rc;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -327,10 +326,9 @@ int ibmvscsi_reset_crq_queue(struct crq_queue *queue,
|
||||||
queue->msg_token, PAGE_SIZE);
|
queue->msg_token, PAGE_SIZE);
|
||||||
if (rc == 2) {
|
if (rc == 2) {
|
||||||
/* Adapter is good, but other end is not ready */
|
/* Adapter is good, but other end is not ready */
|
||||||
printk(KERN_WARNING "ibmvscsi: Partner adapter not ready\n");
|
dev_warn(hostdata->dev, "Partner adapter not ready\n");
|
||||||
} else if (rc != 0) {
|
} else if (rc != 0) {
|
||||||
printk(KERN_WARNING
|
dev_warn(hostdata->dev, "couldn't register crq--rc 0x%x\n", rc);
|
||||||
"ibmvscsi: couldn't register crq--rc 0x%x\n", rc);
|
|
||||||
}
|
}
|
||||||
return rc;
|
return rc;
|
||||||
}
|
}
|
||||||
|
|
Loading…
Reference in a new issue