static enum sci_status
sci_apc_agent_validate_phy_configuration(struct isci_host *ihost,
struct sci_port_configuration_agent *port_agent)
{
u8 phy_index;
u8 port_index;
struct sci_sas_address sas_address;
struct sci_sas_address phy_assigned_address;
phy_index = 0;
while (phy_index < SCI_MAX_PHYS) {
port_index = phy_index;
sci_phy_get_sas_address(&ihost->phys[phy_index],
&sas_address);
while (++phy_index < SCI_MAX_PHYS) {
sci_phy_get_sas_address(&ihost->phys[phy_index],
&phy_assigned_address);
if (sci_sas_address_compare(sas_address, phy_assigned_address) == 0) {
port_agent->phy_valid_port_range[phy_index].min_index = port_index;
port_agent->phy_valid_port_range[phy_index].max_index = phy_index;
} else {
port_agent->phy_valid_port_range[phy_index].min_index = phy_index;
port_agent->phy_valid_port_range[phy_index].max_index = phy_index;
break;
}
}
}
return sci_port_configuration_agent_validate_ports(ihost, port_agent);
}
/* verify phys are assigned a valid SAS address for automatic port
* configuration mode.
*/
static enum sci_status
sci_apc_agent_validate_phy_configuration(struct isci_host *ihost,
struct sci_port_configuration_agent *port_agent)
{
u8 phy_index;
u8 port_index;
struct sci_sas_address sas_address;
struct sci_sas_address phy_assigned_address;
phy_index = 0;
while (phy_index < SCI_MAX_PHYS) {
port_index = phy_index;
/* Get the assigned SAS Address for the first PHY on the controller. */
sci_phy_get_sas_address(&ihost->phys[phy_index],
&sas_address);
while (++phy_index < SCI_MAX_PHYS) {
sci_phy_get_sas_address(&ihost->phys[phy_index],
&phy_assigned_address);
/* Verify each of the SAS address are all the same for every PHY */
if (sci_sas_address_compare(sas_address, phy_assigned_address) == 0) {
port_agent->phy_valid_port_range[phy_index].min_index = port_index;
port_agent->phy_valid_port_range[phy_index].max_index = phy_index;
} else {
port_agent->phy_valid_port_range[phy_index].min_index = phy_index;
port_agent->phy_valid_port_range[phy_index].max_index = phy_index;
break;
}
}
}
return sci_port_configuration_agent_validate_ports(ihost, port_agent);
}
static enum sci_status
sci_mpc_agent_validate_phy_configuration(struct isci_host *ihost,
struct sci_port_configuration_agent *port_agent)
{
u32 phy_mask;
u32 assigned_phy_mask;
struct sci_sas_address sas_address;
struct sci_sas_address phy_assigned_address;
u8 port_index;
u8 phy_index;
assigned_phy_mask = 0;
sas_address.high = 0;
sas_address.low = 0;
for (port_index = 0; port_index < SCI_MAX_PORTS; port_index++) {
phy_mask = ihost->oem_parameters.ports[port_index].phy_mask;
if (!phy_mask)
continue;
if ((phy_mask & ~assigned_phy_mask) == 0) {
return SCI_FAILURE_UNSUPPORTED_PORT_CONFIGURATION;
}
for (phy_index = 0; phy_index < SCI_MAX_PHYS; phy_index++) {
if ((phy_mask & (1 << phy_index)) == 0)
continue;
sci_phy_get_sas_address(&ihost->phys[phy_index],
&sas_address);
port_agent->phy_valid_port_range[phy_index].min_index = port_index;
port_agent->phy_valid_port_range[phy_index].max_index = phy_index;
if (phy_index != port_index) {
return SCI_FAILURE_UNSUPPORTED_PORT_CONFIGURATION;
}
break;
}
while (phy_index < SCI_MAX_PHYS) {
if ((phy_mask & (1 << phy_index)) == 0)
continue;
sci_phy_get_sas_address(&ihost->phys[phy_index],
&phy_assigned_address);
if (sci_sas_address_compare(sas_address, phy_assigned_address) != 0) {
return SCI_FAILURE_UNSUPPORTED_PORT_CONFIGURATION;
}
port_agent->phy_valid_port_range[phy_index].min_index = port_index;
port_agent->phy_valid_port_range[phy_index].max_index = phy_index;
sci_port_add_phy(&ihost->ports[port_index],
&ihost->phys[phy_index]);
assigned_phy_mask |= (1 << phy_index);
}
phy_index++;
}
return sci_port_configuration_agent_validate_ports(ihost, port_agent);
}
/* verify all of the phys in the same port are using the same SAS address */
static enum sci_status
sci_mpc_agent_validate_phy_configuration(struct isci_host *ihost,
struct sci_port_configuration_agent *port_agent)
{
u32 phy_mask;
u32 assigned_phy_mask;
struct sci_sas_address sas_address;
struct sci_sas_address phy_assigned_address;
u8 port_index;
u8 phy_index;
assigned_phy_mask = 0;
sas_address.high = 0;
sas_address.low = 0;
for (port_index = 0; port_index < SCI_MAX_PORTS; port_index++) {
phy_mask = ihost->oem_parameters.ports[port_index].phy_mask;
if (!phy_mask)
continue;
/*
* Make sure that one or more of the phys were not already assinged to
* a different port. */
if ((phy_mask & ~assigned_phy_mask) == 0) {
return SCI_FAILURE_UNSUPPORTED_PORT_CONFIGURATION;
}
/* Find the starting phy index for this round through the loop */
for (phy_index = 0; phy_index < SCI_MAX_PHYS; phy_index++) {
if ((phy_mask & (1 << phy_index)) == 0)
continue;
sci_phy_get_sas_address(&ihost->phys[phy_index],
&sas_address);
/*
* The phy_index can be used as the starting point for the
* port range since the hardware starts all logical ports
* the same as the PE index. */
port_agent->phy_valid_port_range[phy_index].min_index = port_index;
port_agent->phy_valid_port_range[phy_index].max_index = phy_index;
if (phy_index != port_index) {
return SCI_FAILURE_UNSUPPORTED_PORT_CONFIGURATION;
}
break;
}
/*
* See how many additional phys are being added to this logical port.
* Note: We have not moved the current phy_index so we will actually
* compare the startting phy with itself.
* This is expected and required to add the phy to the port. */
while (phy_index < SCI_MAX_PHYS) {
if ((phy_mask & (1 << phy_index)) == 0)
continue;
sci_phy_get_sas_address(&ihost->phys[phy_index],
&phy_assigned_address);
if (sci_sas_address_compare(sas_address, phy_assigned_address) != 0) {
/*
* The phy mask specified that this phy is part of the same port
* as the starting phy and it is not so fail this configuration */
return SCI_FAILURE_UNSUPPORTED_PORT_CONFIGURATION;
}
port_agent->phy_valid_port_range[phy_index].min_index = port_index;
port_agent->phy_valid_port_range[phy_index].max_index = phy_index;
sci_port_add_phy(&ihost->ports[port_index],
&ihost->phys[phy_index]);
assigned_phy_mask |= (1 << phy_index);
}
phy_index++;
}
return sci_port_configuration_agent_validate_ports(ihost, port_agent);
}
