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scsi: mpi3mr: Add event handling debug prints

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Link: https://lore.kernel.org/r/20210520152545.2710479-25-kashyap.desai@broadcom.com
Cc: sathya.prakash@broadcom.com
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Kashyap Desai
2021-05-20 20:55:45 +05:30
committed by Martin K. Petersen
parent 74e1f30a28
commit 9fc4abfe5a
2 changed files with 280 additions and 1 deletions
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166
drivers/scsi/mpi3mr/mpi3mr_os.c
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@@ -995,6 +995,85 @@ out:
mpi3mr_tgtdev_put(tgtdev);
}
/**
* mpi3mr_sastopochg_evt_debug - SASTopoChange details
* @mrioc: Adapter instance reference
* @event_data: SAS topology change list event data
*
* Prints information about the SAS topology change event.
*
* Return: Nothing.
*/
static void
mpi3mr_sastopochg_evt_debug(struct mpi3mr_ioc *mrioc,
struct mpi3_event_data_sas_topology_change_list *event_data)
{
int i;
u16 handle;
u8 reason_code, phy_number;
char *status_str = NULL;
u8 link_rate, prev_link_rate;
switch (event_data->exp_status) {
case MPI3_EVENT_SAS_TOPO_ES_NOT_RESPONDING:
status_str = "remove";
break;
case MPI3_EVENT_SAS_TOPO_ES_RESPONDING:
status_str = "responding";
break;
case MPI3_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING:
status_str = "remove delay";
break;
case MPI3_EVENT_SAS_TOPO_ES_NO_EXPANDER:
status_str = "direct attached";
break;
default:
status_str = "unknown status";
break;
}
ioc_info(mrioc, "%s :sas topology change: (%s)\n",
__func__, status_str);
ioc_info(mrioc,
"%s :\texpander_handle(0x%04x), enclosure_handle(0x%04x) start_phy(%02d), num_entries(%d)\n",
__func__, le16_to_cpu(event_data->expander_dev_handle),
le16_to_cpu(event_data->enclosure_handle),
event_data->start_phy_num, event_data->num_entries);
for (i = 0; i < event_data->num_entries; i++) {
handle = le16_to_cpu(event_data->phy_entry[i].attached_dev_handle);
if (!handle)
continue;
phy_number = event_data->start_phy_num + i;
reason_code = event_data->phy_entry[i].status &
MPI3_EVENT_SAS_TOPO_PHY_RC_MASK;
switch (reason_code) {
case MPI3_EVENT_SAS_TOPO_PHY_RC_TARG_NOT_RESPONDING:
status_str = "target remove";
break;
case MPI3_EVENT_SAS_TOPO_PHY_RC_DELAY_NOT_RESPONDING:
status_str = "delay target remove";
break;
case MPI3_EVENT_SAS_TOPO_PHY_RC_PHY_CHANGED:
status_str = "link status change";
break;
case MPI3_EVENT_SAS_TOPO_PHY_RC_NO_CHANGE:
status_str = "link status no change";
break;
case MPI3_EVENT_SAS_TOPO_PHY_RC_RESPONDING:
status_str = "target responding";
break;
default:
status_str = "unknown";
break;
}
link_rate = event_data->phy_entry[i].link_rate >> 4;
prev_link_rate = event_data->phy_entry[i].link_rate & 0xF;
ioc_info(mrioc,
"%s :\tphy(%02d), attached_handle(0x%04x): %s: link rate: new(0x%02x), old(0x%02x)\n",
__func__, phy_number, handle, status_str, link_rate,
prev_link_rate);
}
}
/**
* mpi3mr_sastopochg_evt_bh - SASTopologyChange evt bottomhalf
* @mrioc: Adapter instance reference
@@ -1016,6 +1095,8 @@ static void mpi3mr_sastopochg_evt_bh(struct mpi3mr_ioc *mrioc,
u8 reason_code;
struct mpi3mr_tgt_dev *tgtdev = NULL;
mpi3mr_sastopochg_evt_debug(mrioc, event_data);
for (i = 0; i < event_data->num_entries; i++) {
handle = le16_to_cpu(event_data->phy_entry[i].attached_dev_handle);
if (!handle)
@@ -1042,6 +1123,88 @@ static void mpi3mr_sastopochg_evt_bh(struct mpi3mr_ioc *mrioc,
}
}
/**
* mpi3mr_pcietopochg_evt_debug - PCIeTopoChange details
* @mrioc: Adapter instance reference
* @event_data: PCIe topology change list event data
*
* Prints information about the PCIe topology change event.
*
* Return: Nothing.
*/
static void
mpi3mr_pcietopochg_evt_debug(struct mpi3mr_ioc *mrioc,
struct mpi3_event_data_pcie_topology_change_list *event_data)
{
int i;
u16 handle;
u16 reason_code;
u8 port_number;
char *status_str = NULL;
u8 link_rate, prev_link_rate;
switch (event_data->switch_status) {
case MPI3_EVENT_PCIE_TOPO_SS_NOT_RESPONDING:
status_str = "remove";
break;
case MPI3_EVENT_PCIE_TOPO_SS_RESPONDING:
status_str = "responding";
break;
case MPI3_EVENT_PCIE_TOPO_SS_DELAY_NOT_RESPONDING:
status_str = "remove delay";
break;
case MPI3_EVENT_PCIE_TOPO_SS_NO_PCIE_SWITCH:
status_str = "direct attached";
break;
default:
status_str = "unknown status";
break;
}
ioc_info(mrioc, "%s :pcie topology change: (%s)\n",
__func__, status_str);
ioc_info(mrioc,
"%s :\tswitch_handle(0x%04x), enclosure_handle(0x%04x) start_port(%02d), num_entries(%d)\n",
__func__, le16_to_cpu(event_data->switch_dev_handle),
le16_to_cpu(event_data->enclosure_handle),
event_data->start_port_num, event_data->num_entries);
for (i = 0; i < event_data->num_entries; i++) {
handle =
le16_to_cpu(event_data->port_entry[i].attached_dev_handle);
if (!handle)
continue;
port_number = event_data->start_port_num + i;
reason_code = event_data->port_entry[i].port_status;
switch (reason_code) {
case MPI3_EVENT_PCIE_TOPO_PS_NOT_RESPONDING:
status_str = "target remove";
break;
case MPI3_EVENT_PCIE_TOPO_PS_DELAY_NOT_RESPONDING:
status_str = "delay target remove";
break;
case MPI3_EVENT_PCIE_TOPO_PS_PORT_CHANGED:
status_str = "link status change";
break;
case MPI3_EVENT_PCIE_TOPO_PS_NO_CHANGE:
status_str = "link status no change";
break;
case MPI3_EVENT_PCIE_TOPO_PS_RESPONDING:
status_str = "target responding";
break;
default:
status_str = "unknown";
break;
}
link_rate = event_data->port_entry[i].current_port_info &
MPI3_EVENT_PCIE_TOPO_PI_RATE_MASK;
prev_link_rate = event_data->port_entry[i].previous_port_info &
MPI3_EVENT_PCIE_TOPO_PI_RATE_MASK;
ioc_info(mrioc,
"%s :\tport(%02d), attached_handle(0x%04x): %s: link rate: new(0x%02x), old(0x%02x)\n",
__func__, port_number, handle, status_str, link_rate,
prev_link_rate);
}
}
/**
* mpi3mr_pcietopochg_evt_bh - PCIeTopologyChange evt bottomhalf
* @mrioc: Adapter instance reference
@@ -1063,6 +1226,8 @@ static void mpi3mr_pcietopochg_evt_bh(struct mpi3mr_ioc *mrioc,
u8 reason_code;
struct mpi3mr_tgt_dev *tgtdev = NULL;
mpi3mr_pcietopochg_evt_debug(mrioc, event_data);
for (i = 0; i < event_data->num_entries; i++) {
handle =
le16_to_cpu(event_data->port_entry[i].attached_dev_handle);
@@ -1899,7 +2064,6 @@ static void mpi3mr_setup_eedp(struct mpi3mr_ioc *mrioc,
scsiio_req->sgl[0].eedp.flags = MPI3_SGE_FLAGS_ELEMENT_TYPE_EXTENDED;
}
/**
* mpi3mr_build_sense_buffer - Map sense information
* @desc: Sense type