Change code to use one storage location common for switches and endpoints.
This eliminates unnecessary device type checks during basic access
operations. Logic that assigns destid to RIO devices stays unchanged - as
before, switches use an associated destid because they do not have their
own.
Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Thomas Moll <thomas.moll@sysgo.com>
Cc: Micha Nelissen <micha@neli.hopto.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
next_destid++;
} else
rdev->destid = rio_get_device_id(port, destid, hopcount);
- } else
- /* Switch device has an associated destID */
- rdev->destid = RIO_INVALID_DESTID;
+
+ rdev->hopcount = 0xff;
+ } else {
+ /* Switch device has an associated destID which
+ * will be adjusted later
+ */
+ rdev->destid = destid;
+ rdev->hopcount = hopcount;
+ }
/* If a PE has both switch and other functions, show it as a switch */
if (rio_is_switch(rdev)) {
if (!rswitch)
goto cleanup;
rswitch->switchid = next_switchid;
- rswitch->hopcount = hopcount;
- rswitch->destid = destid;
rswitch->port_ok = 0;
rswitch->route_table = kzalloc(sizeof(u8)*
RIO_MAX_ROUTE_ENTRIES(port->sys_size),
/**
* rio_route_add_entry- Add a route entry to a switch routing table
- * @mport: Master port to send transaction
- * @rswitch: Switch device
+ * @rdev: RIO device
* @table: Routing table ID
* @route_destid: Destination ID to be routed
* @route_port: Port number to be routed
* on failure.
*/
static int
-rio_route_add_entry(struct rio_mport *mport, struct rio_switch *rswitch,
+rio_route_add_entry(struct rio_dev *rdev,
u16 table, u16 route_destid, u8 route_port, int lock)
{
int rc;
if (lock) {
- rc = rio_lock_device(mport, rswitch->destid,
- rswitch->hopcount, 1000);
+ rc = rio_lock_device(rdev->net->hport, rdev->destid,
+ rdev->hopcount, 1000);
if (rc)
return rc;
}
- rc = rswitch->add_entry(mport, rswitch->destid,
- rswitch->hopcount, table,
- route_destid, route_port);
+ rc = rdev->rswitch->add_entry(rdev->net->hport, rdev->destid,
+ rdev->hopcount, table,
+ route_destid, route_port);
if (lock)
- rio_unlock_device(mport, rswitch->destid, rswitch->hopcount);
+ rio_unlock_device(rdev->net->hport, rdev->destid,
+ rdev->hopcount);
return rc;
}
/**
* rio_route_get_entry- Read a route entry in a switch routing table
- * @mport: Master port to send transaction
- * @rswitch: Switch device
+ * @rdev: RIO device
* @table: Routing table ID
* @route_destid: Destination ID to be routed
* @route_port: Pointer to read port number into
* on failure.
*/
static int
-rio_route_get_entry(struct rio_mport *mport, struct rio_switch *rswitch, u16 table,
+rio_route_get_entry(struct rio_dev *rdev, u16 table,
u16 route_destid, u8 *route_port, int lock)
{
int rc;
if (lock) {
- rc = rio_lock_device(mport, rswitch->destid,
- rswitch->hopcount, 1000);
+ rc = rio_lock_device(rdev->net->hport, rdev->destid,
+ rdev->hopcount, 1000);
if (rc)
return rc;
}
- rc = rswitch->get_entry(mport, rswitch->destid,
- rswitch->hopcount, table,
- route_destid, route_port);
+ rc = rdev->rswitch->get_entry(rdev->net->hport, rdev->destid,
+ rdev->hopcount, table,
+ route_destid, route_port);
if (lock)
- rio_unlock_device(mport, rswitch->destid, rswitch->hopcount);
+ rio_unlock_device(rdev->net->hport, rdev->destid,
+ rdev->hopcount);
return rc;
}
if (rio_is_switch(rdev)) {
next_switchid++;
sw_inport = RIO_GET_PORT_NUM(rdev->swpinfo);
- rio_route_add_entry(port, rdev->rswitch, RIO_GLOBAL_TABLE,
+ rio_route_add_entry(rdev, RIO_GLOBAL_TABLE,
port->host_deviceid, sw_inport, 0);
rdev->rswitch->route_table[port->host_deviceid] = sw_inport;
for (destid = 0; destid < next_destid; destid++) {
if (destid == port->host_deviceid)
continue;
- rio_route_add_entry(port, rdev->rswitch, RIO_GLOBAL_TABLE,
+ rio_route_add_entry(rdev, RIO_GLOBAL_TABLE,
destid, sw_inport, 0);
rdev->rswitch->route_table[destid] = sw_inport;
}
"RIO: scanning device on port %d\n",
port_num);
rdev->rswitch->port_ok |= (1 << port_num);
- rio_route_add_entry(port, rdev->rswitch,
- RIO_GLOBAL_TABLE,
+ rio_route_add_entry(rdev, RIO_GLOBAL_TABLE,
RIO_ANY_DESTID(port->sys_size),
port_num, 0);
destid < next_destid; destid++) {
if (destid == port->host_deviceid)
continue;
- rio_route_add_entry(port, rdev->rswitch,
+ rio_route_add_entry(rdev,
RIO_GLOBAL_TABLE,
destid,
port_num,
next_destid++;
}
- rdev->rswitch->destid = sw_destid;
+ rdev->destid = sw_destid;
} else
pr_debug("RIO: found %s (vid %4.4x did %4.4x)\n",
rio_name(rdev), rdev->vid, rdev->did);
next_switchid++;
/* Associated destid is how we accessed this switch */
- rdev->rswitch->destid = destid;
+ rdev->destid = destid;
pr_debug(
"RIO: found %s (vid %4.4x did %4.4x) with %d ports\n",
for (ndestid = 0;
ndestid < RIO_ANY_DESTID(port->sys_size);
ndestid++) {
- rio_route_get_entry(port, rdev->rswitch,
+ rio_route_get_entry(rdev,
RIO_GLOBAL_TABLE,
ndestid,
&route_port, 0);
list_for_each_entry(rdev, &rio_devices, global_list) {
- destid = (rio_is_switch(rdev))?rdev->rswitch->destid:rdev->destid;
+ destid = rdev->destid;
list_for_each_entry(rswitch, &rio_switches, node) {
if (RIO_INVALID_ROUTE == rswitch->route_table[destid]) {
/* Skip if destid ends in empty switch*/
- if (rswitch->destid == destid)
+ if (rswitch->rdev->destid == destid)
continue;
sport = RIO_GET_PORT_NUM(rswitch->rdev->swpinfo);
if (rswitch->add_entry) {
- rio_route_add_entry(port, rswitch,
+ rio_route_add_entry(rswitch->rdev,
RIO_GLOBAL_TABLE, destid,
sport, 0);
rswitch->route_table[destid] = sport;
list_for_each_entry(rdev, &rio_devices, global_list)
if (rio_is_switch(rdev)) {
- rio_lock_device(rdev->net->hport, rdev->rswitch->destid,
- rdev->rswitch->hopcount, 1000);
+ rio_lock_device(rdev->net->hport, rdev->destid,
+ rdev->hopcount, 1000);
for (i = 0;
i < RIO_MAX_ROUTE_ENTRIES(rdev->net->hport->sys_size);
i++) {
- if (rio_route_get_entry
- (rdev->net->hport, rdev->rswitch,
- RIO_GLOBAL_TABLE, i, &sport, 0) < 0)
+ if (rio_route_get_entry(rdev,
+ RIO_GLOBAL_TABLE, i, &sport, 0) < 0)
continue;
rdev->rswitch->route_table[i] = sport;
}
rio_unlock_device(rdev->net->hport,
- rdev->rswitch->destid,
- rdev->rswitch->hopcount);
+ rdev->destid,
+ rdev->hopcount);
}
}
*/
int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock)
{
- u8 hopcount = 0xff;
- u16 destid = rdev->destid;
u32 regval;
- if (rdev->rswitch) {
- destid = rdev->rswitch->destid;
- hopcount = rdev->rswitch->hopcount;
- }
-
- rio_mport_read_config_32(rdev->net->hport, destid, hopcount,
+ rio_read_config_32(rdev,
rdev->phys_efptr + RIO_PORT_N_CTL_CSR(pnum),
®val);
if (lock)
else
regval &= ~RIO_PORT_N_CTL_LOCKOUT;
- rio_mport_write_config_32(rdev->net->hport, destid, hopcount,
+ rio_write_config_32(rdev,
rdev->phys_efptr + RIO_PORT_N_CTL_CSR(pnum),
regval);
return 0;
rio_chk_dev_route(struct rio_dev *rdev, struct rio_dev **nrdev, int *npnum)
{
u32 result;
- int p_port, dstid, rc = -EIO;
+ int p_port, rc = -EIO;
struct rio_dev *prev = NULL;
/* Find switch with failed RIO link */
if (prev == NULL)
goto err_out;
- dstid = (rdev->pef & RIO_PEF_SWITCH) ?
- rdev->rswitch->destid : rdev->destid;
- p_port = prev->rswitch->route_table[dstid];
+ p_port = prev->rswitch->route_table[rdev->destid];
if (p_port != RIO_INVALID_ROUTE) {
pr_debug("RIO: link failed on [%s]-P%d\n",
*/
static int rio_chk_dev_access(struct rio_dev *rdev)
{
- u8 hopcount = 0xff;
- u16 destid = rdev->destid;
-
- if (rdev->rswitch) {
- destid = rdev->rswitch->destid;
- hopcount = rdev->rswitch->hopcount;
- }
-
- return rio_mport_chk_dev_access(rdev->net->hport, destid, hopcount);
+ return rio_mport_chk_dev_access(rdev->net->hport,
+ rdev->destid, rdev->hopcount);
}
/**
static int
rio_get_input_status(struct rio_dev *rdev, int pnum, u32 *lnkresp)
{
- struct rio_mport *mport = rdev->net->hport;
- u16 destid = rdev->rswitch->destid;
- u8 hopcount = rdev->rswitch->hopcount;
u32 regval;
int checkcount;
if (lnkresp) {
/* Read from link maintenance response register
* to clear valid bit */
- rio_mport_read_config_32(mport, destid, hopcount,
+ rio_read_config_32(rdev,
rdev->phys_efptr + RIO_PORT_N_MNT_RSP_CSR(pnum),
®val);
udelay(50);
}
/* Issue Input-status command */
- rio_mport_write_config_32(mport, destid, hopcount,
+ rio_write_config_32(rdev,
rdev->phys_efptr + RIO_PORT_N_MNT_REQ_CSR(pnum),
RIO_MNT_REQ_CMD_IS);
checkcount = 3;
while (checkcount--) {
udelay(50);
- rio_mport_read_config_32(mport, destid, hopcount,
+ rio_read_config_32(rdev,
rdev->phys_efptr + RIO_PORT_N_MNT_RSP_CSR(pnum),
®val);
if (regval & RIO_PORT_N_MNT_RSP_RVAL) {
*/
static int rio_clr_err_stopped(struct rio_dev *rdev, u32 pnum, u32 err_status)
{
- struct rio_mport *mport = rdev->net->hport;
- u16 destid = rdev->rswitch->destid;
- u8 hopcount = rdev->rswitch->hopcount;
struct rio_dev *nextdev = rdev->rswitch->nextdev[pnum];
u32 regval;
u32 far_ackid, far_linkstat, near_ackid;
if (err_status == 0)
- rio_mport_read_config_32(mport, destid, hopcount,
+ rio_read_config_32(rdev,
rdev->phys_efptr + RIO_PORT_N_ERR_STS_CSR(pnum),
&err_status);
pnum, regval);
far_ackid = (regval & RIO_PORT_N_MNT_RSP_ASTAT) >> 5;
far_linkstat = regval & RIO_PORT_N_MNT_RSP_LSTAT;
- rio_mport_read_config_32(mport, destid, hopcount,
+ rio_read_config_32(rdev,
rdev->phys_efptr + RIO_PORT_N_ACK_STS_CSR(pnum),
®val);
pr_debug("RIO_EM: SP%d_ACK_STS_CSR=0x%08x\n", pnum, regval);
/* Align near outstanding/outbound ackIDs with
* far inbound.
*/
- rio_mport_write_config_32(mport, destid,
- hopcount, rdev->phys_efptr +
- RIO_PORT_N_ACK_STS_CSR(pnum),
+ rio_write_config_32(rdev,
+ rdev->phys_efptr + RIO_PORT_N_ACK_STS_CSR(pnum),
(near_ackid << 24) |
(far_ackid << 8) | far_ackid);
/* Align far outstanding/outbound ackIDs with
pr_debug("RIO_EM: Invalid nextdev pointer (NULL)\n");
}
rd_err:
- rio_mport_read_config_32(mport, destid, hopcount,
+ rio_read_config_32(rdev,
rdev->phys_efptr + RIO_PORT_N_ERR_STS_CSR(pnum),
&err_status);
pr_debug("RIO_EM: SP%d_ERR_STS_CSR=0x%08x\n", pnum, err_status);
RIO_GET_PORT_NUM(nextdev->swpinfo), NULL);
udelay(50);
- rio_mport_read_config_32(mport, destid, hopcount,
+ rio_read_config_32(rdev,
rdev->phys_efptr + RIO_PORT_N_ERR_STS_CSR(pnum),
&err_status);
pr_debug("RIO_EM: SP%d_ERR_STS_CSR=0x%08x\n", pnum, err_status);
int rio_inb_pwrite_handler(union rio_pw_msg *pw_msg)
{
struct rio_dev *rdev;
- struct rio_mport *mport;
- u8 hopcount;
- u16 destid;
u32 err_status, em_perrdet, em_ltlerrdet;
int rc, portnum;
return 0;
}
- mport = rdev->net->hport;
- destid = rdev->rswitch->destid;
- hopcount = rdev->rswitch->hopcount;
-
/*
* Process the port-write notification from switch
*/
if (rdev->rswitch->em_handle)
rdev->rswitch->em_handle(rdev, portnum);
- rio_mport_read_config_32(mport, destid, hopcount,
+ rio_read_config_32(rdev,
rdev->phys_efptr + RIO_PORT_N_ERR_STS_CSR(portnum),
&err_status);
pr_debug("RIO_PW: SP%d_ERR_STS_CSR=0x%08x\n", portnum, err_status);
rdev->rswitch->port_ok &= ~(1 << portnum);
rio_set_port_lockout(rdev, portnum, 1);
- rio_mport_write_config_32(mport, destid, hopcount,
+ rio_write_config_32(rdev,
rdev->phys_efptr +
RIO_PORT_N_ACK_STS_CSR(portnum),
RIO_PORT_N_ACK_CLEAR);
}
}
- rio_mport_read_config_32(mport, destid, hopcount,
+ rio_read_config_32(rdev,
rdev->em_efptr + RIO_EM_PN_ERR_DETECT(portnum), &em_perrdet);
if (em_perrdet) {
pr_debug("RIO_PW: RIO_EM_P%d_ERR_DETECT=0x%08x\n",
portnum, em_perrdet);
/* Clear EM Port N Error Detect CSR */
- rio_mport_write_config_32(mport, destid, hopcount,
+ rio_write_config_32(rdev,
rdev->em_efptr + RIO_EM_PN_ERR_DETECT(portnum), 0);
}
- rio_mport_read_config_32(mport, destid, hopcount,
+ rio_read_config_32(rdev,
rdev->em_efptr + RIO_EM_LTL_ERR_DETECT, &em_ltlerrdet);
if (em_ltlerrdet) {
pr_debug("RIO_PW: RIO_EM_LTL_ERR_DETECT=0x%08x\n",
em_ltlerrdet);
/* Clear EM L/T Layer Error Detect CSR */
- rio_mport_write_config_32(mport, destid, hopcount,
+ rio_write_config_32(rdev,
rdev->em_efptr + RIO_EM_LTL_ERR_DETECT, 0);
}
/* Clear remaining error bits and Port-Write Pending bit */
- rio_mport_write_config_32(mport, destid, hopcount,
+ rio_write_config_32(rdev,
rdev->phys_efptr + RIO_PORT_N_ERR_STS_CSR(portnum),
err_status);
static int
idtg2_em_init(struct rio_dev *rdev)
{
- struct rio_mport *mport = rdev->net->hport;
- u16 destid = rdev->rswitch->destid;
- u8 hopcount = rdev->rswitch->hopcount;
u32 regval;
int i, tmp;
* All standard EM configuration should be performed at upper level.
*/
- pr_debug("RIO: %s [%d:%d]\n", __func__, destid, hopcount);
+ pr_debug("RIO: %s [%d:%d]\n", __func__, rdev->destid, rdev->hopcount);
/* Set Port-Write info CSR: PRIO=3 and CRF=1 */
- rio_mport_write_config_32(mport, destid, hopcount,
- IDT_PW_INFO_CSR, 0x0000e000);
+ rio_write_config_32(rdev, IDT_PW_INFO_CSR, 0x0000e000);
/*
* Configure LT LAYER error reporting.
*/
/* Enable standard (RIO.p8) error reporting */
- rio_mport_write_config_32(mport, destid, hopcount,
- IDT_LT_ERR_REPORT_EN,
+ rio_write_config_32(rdev, IDT_LT_ERR_REPORT_EN,
REM_LTL_ERR_ILLTRAN | REM_LTL_ERR_UNSOLR |
REM_LTL_ERR_UNSUPTR);
/* Use Port-Writes for LT layer error reporting.
* Enable per-port reset
*/
- rio_mport_read_config_32(mport, destid, hopcount,
- IDT_DEV_CTRL_1, ®val);
- rio_mport_write_config_32(mport, destid, hopcount,
- IDT_DEV_CTRL_1,
+ rio_read_config_32(rdev, IDT_DEV_CTRL_1, ®val);
+ rio_write_config_32(rdev, IDT_DEV_CTRL_1,
regval | IDT_DEV_CTRL_1_GENPW | IDT_DEV_CTRL_1_PRSTBEH);
/*
*/
/* Report all RIO.p8 errors supported by device */
- rio_mport_write_config_32(mport, destid, hopcount,
- IDT_PORT_ERR_REPORT_EN_BC, 0x807e8037);
+ rio_write_config_32(rdev, IDT_PORT_ERR_REPORT_EN_BC, 0x807e8037);
/* Configure reporting of implementation specific errors/events */
- rio_mport_write_config_32(mport, destid, hopcount,
- IDT_PORT_ISERR_REPORT_EN_BC, IDT_PORT_INIT_TX_ACQUIRED);
+ rio_write_config_32(rdev, IDT_PORT_ISERR_REPORT_EN_BC,
+ IDT_PORT_INIT_TX_ACQUIRED);
/* Use Port-Writes for port error reporting and enable error logging */
tmp = RIO_GET_TOTAL_PORTS(rdev->swpinfo);
for (i = 0; i < tmp; i++) {
- rio_mport_read_config_32(mport, destid, hopcount,
- IDT_PORT_OPS(i), ®val);
- rio_mport_write_config_32(mport, destid, hopcount,
+ rio_read_config_32(rdev, IDT_PORT_OPS(i), ®val);
+ rio_write_config_32(rdev,
IDT_PORT_OPS(i), regval | IDT_PORT_OPS_GENPW |
IDT_PORT_OPS_PL_ELOG |
IDT_PORT_OPS_LL_ELOG |
IDT_PORT_OPS_LT_ELOG);
}
/* Overwrite error log if full */
- rio_mport_write_config_32(mport, destid, hopcount,
- IDT_ERR_CAP, IDT_ERR_CAP_LOG_OVERWR);
+ rio_write_config_32(rdev, IDT_ERR_CAP, IDT_ERR_CAP_LOG_OVERWR);
/*
* Configure LANE error reporting.
*/
/* Disable line error reporting */
- rio_mport_write_config_32(mport, destid, hopcount,
- IDT_LANE_ERR_REPORT_EN_BC, 0);
+ rio_write_config_32(rdev, IDT_LANE_ERR_REPORT_EN_BC, 0);
/* Use Port-Writes for lane error reporting (when enabled)
* (do per-lane update because lanes may have different configuration)
*/
tmp = (rdev->did == RIO_DID_IDTCPS1848) ? 48 : 16;
for (i = 0; i < tmp; i++) {
- rio_mport_read_config_32(mport, destid, hopcount,
- IDT_LANE_CTRL(i), ®val);
- rio_mport_write_config_32(mport, destid, hopcount,
- IDT_LANE_CTRL(i), regval | IDT_LANE_CTRL_GENPW);
+ rio_read_config_32(rdev, IDT_LANE_CTRL(i), ®val);
+ rio_write_config_32(rdev, IDT_LANE_CTRL(i),
+ regval | IDT_LANE_CTRL_GENPW);
}
/*
*/
/* Disable JTAG and I2C Error capture */
- rio_mport_write_config_32(mport, destid, hopcount,
- IDT_AUX_PORT_ERR_CAP_EN, 0);
+ rio_write_config_32(rdev, IDT_AUX_PORT_ERR_CAP_EN, 0);
/* Disable JTAG and I2C Error reporting/logging */
- rio_mport_write_config_32(mport, destid, hopcount,
- IDT_AUX_ERR_REPORT_EN, 0);
+ rio_write_config_32(rdev, IDT_AUX_ERR_REPORT_EN, 0);
/* Disable Port-Write notification from JTAG */
- rio_mport_write_config_32(mport, destid, hopcount,
- IDT_JTAG_CTRL, 0);
+ rio_write_config_32(rdev, IDT_JTAG_CTRL, 0);
/* Disable Port-Write notification from I2C */
- rio_mport_read_config_32(mport, destid, hopcount,
- IDT_I2C_MCTRL, ®val);
- rio_mport_write_config_32(mport, destid, hopcount,
- IDT_I2C_MCTRL,
- regval & ~IDT_I2C_MCTRL_GENPW);
+ rio_read_config_32(rdev, IDT_I2C_MCTRL, ®val);
+ rio_write_config_32(rdev, IDT_I2C_MCTRL, regval & ~IDT_I2C_MCTRL_GENPW);
/*
* Configure CFG_BLK error reporting.
*/
/* Disable Configuration Block error capture */
- rio_mport_write_config_32(mport, destid, hopcount,
- IDT_CFGBLK_ERR_CAPTURE_EN, 0);
+ rio_write_config_32(rdev, IDT_CFGBLK_ERR_CAPTURE_EN, 0);
/* Disable Port-Writes for Configuration Block error reporting */
- rio_mport_read_config_32(mport, destid, hopcount,
- IDT_CFGBLK_ERR_REPORT, ®val);
- rio_mport_write_config_32(mport, destid, hopcount,
- IDT_CFGBLK_ERR_REPORT,
- regval & ~IDT_CFGBLK_ERR_REPORT_GENPW);
+ rio_read_config_32(rdev, IDT_CFGBLK_ERR_REPORT, ®val);
+ rio_write_config_32(rdev, IDT_CFGBLK_ERR_REPORT,
+ regval & ~IDT_CFGBLK_ERR_REPORT_GENPW);
/* set TVAL = ~50us */
- rio_mport_write_config_32(mport, destid, hopcount,
+ rio_write_config_32(rdev,
rdev->phys_efptr + RIO_PORT_LINKTO_CTL_CSR, 0x8e << 8);
return 0;
static int
idtg2_em_handler(struct rio_dev *rdev, u8 portnum)
{
- struct rio_mport *mport = rdev->net->hport;
- u16 destid = rdev->rswitch->destid;
- u8 hopcount = rdev->rswitch->hopcount;
u32 regval, em_perrdet, em_ltlerrdet;
- rio_mport_read_config_32(mport, destid, hopcount,
+ rio_read_config_32(rdev,
rdev->em_efptr + RIO_EM_LTL_ERR_DETECT, &em_ltlerrdet);
if (em_ltlerrdet) {
/* Service Logical/Transport Layer Error(s) */
if (em_ltlerrdet & REM_LTL_ERR_IMPSPEC) {
/* Implementation specific error reported */
- rio_mport_read_config_32(mport, destid, hopcount,
+ rio_read_config_32(rdev,
IDT_ISLTL_ADDRESS_CAP, ®val);
pr_debug("RIO: %s Implementation Specific LTL errors" \
rio_name(rdev), em_ltlerrdet, regval);
/* Clear implementation specific address capture CSR */
- rio_mport_write_config_32(mport, destid, hopcount,
- IDT_ISLTL_ADDRESS_CAP, 0);
+ rio_write_config_32(rdev, IDT_ISLTL_ADDRESS_CAP, 0);
}
}
- rio_mport_read_config_32(mport, destid, hopcount,
+ rio_read_config_32(rdev,
rdev->em_efptr + RIO_EM_PN_ERR_DETECT(portnum), &em_perrdet);
if (em_perrdet) {
/* Service Port-Level Error(s) */
/* Implementation Specific port error reported */
/* Get IS errors reported */
- rio_mport_read_config_32(mport, destid, hopcount,
+ rio_read_config_32(rdev,
IDT_PORT_ISERR_DET(portnum), ®val);
pr_debug("RIO: %s Implementation Specific Port" \
" errors 0x%x\n", rio_name(rdev), regval);
/* Clear all implementation specific events */
- rio_mport_write_config_32(mport, destid, hopcount,
+ rio_write_config_32(rdev,
IDT_PORT_ISERR_DET(portnum), 0);
}
}
idtg2_show_errlog(struct device *dev, struct device_attribute *attr, char *buf)
{
struct rio_dev *rdev = to_rio_dev(dev);
- struct rio_mport *mport = rdev->net->hport;
- u16 destid = rdev->rswitch->destid;
- u8 hopcount = rdev->rswitch->hopcount;
ssize_t len = 0;
u32 regval;
- while (!rio_mport_read_config_32(mport, destid, hopcount,
- IDT_ERR_RD, ®val)) {
+ while (!rio_read_config_32(rdev, IDT_ERR_RD, ®val)) {
if (!regval) /* 0 = end of log */
break;
len += snprintf(buf + len, PAGE_SIZE - len,
static int idtcps_switch_init(struct rio_dev *rdev, int do_enum)
{
- struct rio_mport *mport = rdev->net->hport;
- u16 destid = rdev->rswitch->destid;
- u8 hopcount = rdev->rswitch->hopcount;
-
pr_debug("RIO: %s for %s\n", __func__, rio_name(rdev));
rdev->rswitch->add_entry = idtcps_route_add_entry;
rdev->rswitch->get_entry = idtcps_route_get_entry;
if (do_enum) {
/* set TVAL = ~50us */
- rio_mport_write_config_32(mport, destid, hopcount,
+ rio_write_config_32(rdev,
rdev->phys_efptr + RIO_PORT_LINKTO_CTL_CSR, 0x8e << 8);
}
static int
tsi568_em_init(struct rio_dev *rdev)
{
- struct rio_mport *mport = rdev->net->hport;
- u16 destid = rdev->rswitch->destid;
- u8 hopcount = rdev->rswitch->hopcount;
u32 regval;
int portnum;
- pr_debug("TSI568 %s [%d:%d]\n", __func__, destid, hopcount);
+ pr_debug("TSI568 %s [%d:%d]\n", __func__, rdev->destid, rdev->hopcount);
/* Make sure that Port-Writes are disabled (for all ports) */
for (portnum = 0;
portnum < RIO_GET_TOTAL_PORTS(rdev->swpinfo); portnum++) {
- rio_mport_read_config_32(mport, destid, hopcount,
- TSI568_SP_MODE(portnum), ®val);
- rio_mport_write_config_32(mport, destid, hopcount,
- TSI568_SP_MODE(portnum),
- regval | TSI568_SP_MODE_PW_DIS);
+ rio_read_config_32(rdev, TSI568_SP_MODE(portnum), ®val);
+ rio_write_config_32(rdev, TSI568_SP_MODE(portnum),
+ regval | TSI568_SP_MODE_PW_DIS);
}
return 0;
static int
tsi57x_em_init(struct rio_dev *rdev)
{
- struct rio_mport *mport = rdev->net->hport;
- u16 destid = rdev->rswitch->destid;
- u8 hopcount = rdev->rswitch->hopcount;
u32 regval;
int portnum;
- pr_debug("TSI578 %s [%d:%d]\n", __func__, destid, hopcount);
+ pr_debug("TSI578 %s [%d:%d]\n", __func__, rdev->destid, rdev->hopcount);
for (portnum = 0;
portnum < RIO_GET_TOTAL_PORTS(rdev->swpinfo); portnum++) {
/* Make sure that Port-Writes are enabled (for all ports) */
- rio_mport_read_config_32(mport, destid, hopcount,
+ rio_read_config_32(rdev,
TSI578_SP_MODE(portnum), ®val);
- rio_mport_write_config_32(mport, destid, hopcount,
+ rio_write_config_32(rdev,
TSI578_SP_MODE(portnum),
regval & ~TSI578_SP_MODE_PW_DIS);
/* Clear all pending interrupts */
- rio_mport_read_config_32(mport, destid, hopcount,
+ rio_read_config_32(rdev,
rdev->phys_efptr +
RIO_PORT_N_ERR_STS_CSR(portnum),
®val);
- rio_mport_write_config_32(mport, destid, hopcount,
+ rio_write_config_32(rdev,
rdev->phys_efptr +
RIO_PORT_N_ERR_STS_CSR(portnum),
regval & 0x07120214);
- rio_mport_read_config_32(mport, destid, hopcount,
+ rio_read_config_32(rdev,
TSI578_SP_INT_STATUS(portnum), ®val);
- rio_mport_write_config_32(mport, destid, hopcount,
+ rio_write_config_32(rdev,
TSI578_SP_INT_STATUS(portnum),
regval & 0x000700bd);
/* Enable all interrupts to allow ports to send a port-write */
- rio_mport_read_config_32(mport, destid, hopcount,
+ rio_read_config_32(rdev,
TSI578_SP_CTL_INDEP(portnum), ®val);
- rio_mport_write_config_32(mport, destid, hopcount,
+ rio_write_config_32(rdev,
TSI578_SP_CTL_INDEP(portnum),
regval | 0x000b0000);
/* Skip next (odd) port if the current port is in x4 mode */
- rio_mport_read_config_32(mport, destid, hopcount,
+ rio_read_config_32(rdev,
rdev->phys_efptr + RIO_PORT_N_CTL_CSR(portnum),
®val);
if ((regval & RIO_PORT_N_CTL_PWIDTH) == RIO_PORT_N_CTL_PWIDTH_4)
}
/* set TVAL = ~50us */
- rio_mport_write_config_32(mport, destid, hopcount,
+ rio_write_config_32(rdev,
rdev->phys_efptr + RIO_PORT_LINKTO_CTL_CSR, 0x9a << 8);
return 0;
tsi57x_em_handler(struct rio_dev *rdev, u8 portnum)
{
struct rio_mport *mport = rdev->net->hport;
- u16 destid = rdev->rswitch->destid;
- u8 hopcount = rdev->rswitch->hopcount;
u32 intstat, err_status;
int sendcount, checkcount;
u8 route_port;
u32 regval;
- rio_mport_read_config_32(mport, destid, hopcount,
+ rio_read_config_32(rdev,
rdev->phys_efptr + RIO_PORT_N_ERR_STS_CSR(portnum),
&err_status);
(err_status & (RIO_PORT_N_ERR_STS_PW_OUT_ES |
RIO_PORT_N_ERR_STS_PW_INP_ES))) {
/* Remove any queued packets by locking/unlocking port */
- rio_mport_read_config_32(mport, destid, hopcount,
+ rio_read_config_32(rdev,
rdev->phys_efptr + RIO_PORT_N_CTL_CSR(portnum),
®val);
if (!(regval & RIO_PORT_N_CTL_LOCKOUT)) {
- rio_mport_write_config_32(mport, destid, hopcount,
+ rio_write_config_32(rdev,
rdev->phys_efptr + RIO_PORT_N_CTL_CSR(portnum),
regval | RIO_PORT_N_CTL_LOCKOUT);
udelay(50);
- rio_mport_write_config_32(mport, destid, hopcount,
+ rio_write_config_32(rdev,
rdev->phys_efptr + RIO_PORT_N_CTL_CSR(portnum),
regval);
}
/* Read from link maintenance response register to clear
* valid bit
*/
- rio_mport_read_config_32(mport, destid, hopcount,
+ rio_read_config_32(rdev,
rdev->phys_efptr + RIO_PORT_N_MNT_RSP_CSR(portnum),
®val);
*/
sendcount = 3;
while (sendcount) {
- rio_mport_write_config_32(mport, destid, hopcount,
+ rio_write_config_32(rdev,
TSI578_SP_CS_TX(portnum), 0x40fc8000);
checkcount = 3;
while (checkcount--) {
udelay(50);
- rio_mport_read_config_32(
- mport, destid, hopcount,
+ rio_read_config_32(rdev,
rdev->phys_efptr +
RIO_PORT_N_MNT_RSP_CSR(portnum),
®val);
exit_es:
/* Clear implementation specific error status bits */
- rio_mport_read_config_32(mport, destid, hopcount,
- TSI578_SP_INT_STATUS(portnum), &intstat);
+ rio_read_config_32(rdev, TSI578_SP_INT_STATUS(portnum), &intstat);
pr_debug("TSI578[%x:%x] SP%d_INT_STATUS=0x%08x\n",
- destid, hopcount, portnum, intstat);
+ rdev->destid, rdev->hopcount, portnum, intstat);
if (intstat & 0x10000) {
- rio_mport_read_config_32(mport, destid, hopcount,
+ rio_read_config_32(rdev,
TSI578_SP_LUT_PEINF(portnum), ®val);
regval = (mport->sys_size) ? (regval >> 16) : (regval >> 24);
route_port = rdev->rswitch->route_table[regval];
pr_debug("RIO: TSI578[%s] P%d LUT Parity Error (destID=%d)\n",
rio_name(rdev), portnum, regval);
- tsi57x_route_add_entry(mport, destid, hopcount,
+ tsi57x_route_add_entry(mport, rdev->destid, rdev->hopcount,
RIO_GLOBAL_TABLE, regval, route_port);
}
- rio_mport_write_config_32(mport, destid, hopcount,
- TSI578_SP_INT_STATUS(portnum),
- intstat & 0x000700bd);
+ rio_write_config_32(rdev, TSI578_SP_INT_STATUS(portnum),
+ intstat & 0x000700bd);
return 0;
}
* @dev: Device model device
* @riores: RIO resources this device owns
* @pwcback: port-write callback function for this device
- * @destid: Network destination ID
+ * @destid: Network destination ID (or associated destid for switch)
+ * @hopcount: Hopcount to this device
* @prev: Previous RIO device connected to the current one
*/
struct rio_dev {
struct resource riores[RIO_MAX_DEV_RESOURCES];
int (*pwcback) (struct rio_dev *rdev, union rio_pw_msg *msg, int step);
u16 destid;
+ u8 hopcount;
struct rio_dev *prev;
};
* @node: Node in global list of switches
* @rdev: Associated RIO device structure
* @switchid: Switch ID that is unique across a network
- * @hopcount: Hopcount to this switch
- * @destid: Associated destid in the path
* @route_table: Copy of switch routing table
* @port_ok: Status of each port (one bit per port) - OK=1 or UNINIT=0
* @add_entry: Callback for switch-specific route add function
struct list_head node;
struct rio_dev *rdev;
u16 switchid;
- u16 hopcount;
- u16 destid;
u8 *route_table;
u32 port_ok;
int (*add_entry) (struct rio_mport * mport, u16 destid, u8 hopcount,
static inline int rio_read_config_32(struct rio_dev *rdev, u32 offset,
u32 * data)
{
- u8 hopcount = 0xff;
- u16 destid = rdev->destid;
-
- if (rdev->rswitch) {
- destid = rdev->rswitch->destid;
- hopcount = rdev->rswitch->hopcount;
- }
-
- return rio_mport_read_config_32(rdev->net->hport, destid, hopcount,
- offset, data);
+ return rio_mport_read_config_32(rdev->net->hport, rdev->destid,
+ rdev->hopcount, offset, data);
};
/**
static inline int rio_write_config_32(struct rio_dev *rdev, u32 offset,
u32 data)
{
- u8 hopcount = 0xff;
- u16 destid = rdev->destid;
-
- if (rdev->rswitch) {
- destid = rdev->rswitch->destid;
- hopcount = rdev->rswitch->hopcount;
- }
-
- return rio_mport_write_config_32(rdev->net->hport, destid, hopcount,
- offset, data);
+ return rio_mport_write_config_32(rdev->net->hport, rdev->destid,
+ rdev->hopcount, offset, data);
};
/**
static inline int rio_read_config_16(struct rio_dev *rdev, u32 offset,
u16 * data)
{
- u8 hopcount = 0xff;
- u16 destid = rdev->destid;
-
- if (rdev->rswitch) {
- destid = rdev->rswitch->destid;
- hopcount = rdev->rswitch->hopcount;
- }
-
- return rio_mport_read_config_16(rdev->net->hport, destid, hopcount,
- offset, data);
+ return rio_mport_read_config_16(rdev->net->hport, rdev->destid,
+ rdev->hopcount, offset, data);
};
/**
static inline int rio_write_config_16(struct rio_dev *rdev, u32 offset,
u16 data)
{
- u8 hopcount = 0xff;
- u16 destid = rdev->destid;
-
- if (rdev->rswitch) {
- destid = rdev->rswitch->destid;
- hopcount = rdev->rswitch->hopcount;
- }
-
- return rio_mport_write_config_16(rdev->net->hport, destid, hopcount,
- offset, data);
+ return rio_mport_write_config_16(rdev->net->hport, rdev->destid,
+ rdev->hopcount, offset, data);
};
/**
*/
static inline int rio_read_config_8(struct rio_dev *rdev, u32 offset, u8 * data)
{
- u8 hopcount = 0xff;
- u16 destid = rdev->destid;
-
- if (rdev->rswitch) {
- destid = rdev->rswitch->destid;
- hopcount = rdev->rswitch->hopcount;
- }
-
- return rio_mport_read_config_8(rdev->net->hport, destid, hopcount,
- offset, data);
+ return rio_mport_read_config_8(rdev->net->hport, rdev->destid,
+ rdev->hopcount, offset, data);
};
/**
*/
static inline int rio_write_config_8(struct rio_dev *rdev, u32 offset, u8 data)
{
- u8 hopcount = 0xff;
- u16 destid = rdev->destid;
-
- if (rdev->rswitch) {
- destid = rdev->rswitch->destid;
- hopcount = rdev->rswitch->hopcount;
- }
-
- return rio_mport_write_config_8(rdev->net->hport, destid, hopcount,
- offset, data);
+ return rio_mport_write_config_8(rdev->net->hport, rdev->destid,
+ rdev->hopcount, offset, data);
};
extern int rio_mport_send_doorbell(struct rio_mport *mport, u16 destid,