a9c60c7d01
- Convert DMA_GET_ADDR() calls to vtophys() calls in order to finish removing the DMA_* macros.
334 lines
8.1 KiB
C
334 lines
8.1 KiB
C
/*
|
|
*
|
|
* ===================================
|
|
* HARP | Host ATM Research Platform
|
|
* ===================================
|
|
*
|
|
*
|
|
* This Host ATM Research Platform ("HARP") file (the "Software") is
|
|
* made available by Network Computing Services, Inc. ("NetworkCS")
|
|
* "AS IS". NetworkCS does not provide maintenance, improvements or
|
|
* support of any kind.
|
|
*
|
|
* NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
|
|
* INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
* AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
|
|
* SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
|
|
* In no event shall NetworkCS be responsible for any damages, including
|
|
* but not limited to consequential damages, arising from or relating to
|
|
* any use of the Software or related support.
|
|
*
|
|
* Copyright 1994-1998 Network Computing Services, Inc.
|
|
*
|
|
* Copies of this Software may be made, however, the above copyright
|
|
* notice must be reproduced on all copies.
|
|
*
|
|
* @(#) $FreeBSD$
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* FORE Systems 200-Series Adapter Support
|
|
* ---------------------------------------
|
|
*
|
|
* Cell Processor (CP) initialization routines
|
|
*
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/socketvar.h>
|
|
#include <sys/syslog.h>
|
|
#include <vm/vm.h>
|
|
#include <vm/pmap.h>
|
|
#include <net/if.h>
|
|
#include <netatm/port.h>
|
|
#include <netatm/queue.h>
|
|
#include <netatm/atm.h>
|
|
#include <netatm/atm_sys.h>
|
|
#include <netatm/atm_sap.h>
|
|
#include <netatm/atm_cm.h>
|
|
#include <netatm/atm_if.h>
|
|
#include <netatm/atm_stack.h>
|
|
#include <netatm/atm_pcb.h>
|
|
#include <netatm/atm_var.h>
|
|
#include <pci/pcivar.h>
|
|
#include <dev/hfa/fore.h>
|
|
#include <dev/hfa/fore_aali.h>
|
|
#include <dev/hfa/fore_slave.h>
|
|
#include <dev/hfa/fore_stats.h>
|
|
#include <dev/hfa/fore_var.h>
|
|
#include <dev/hfa/fore_include.h>
|
|
|
|
#ifndef lint
|
|
__RCSID("@(#) $FreeBSD$");
|
|
#endif
|
|
|
|
|
|
/*
|
|
* Local functions
|
|
*/
|
|
static void fore_get_prom(Fore_unit *);
|
|
|
|
|
|
/*
|
|
* Begin CP Initialization
|
|
*
|
|
* This function will poll for the successful downloading and starting of
|
|
* the CP microcode program. After the microcode is running, we will allocate
|
|
* any needed kernel memory (must do it in non-interrupt mode), build the CP
|
|
* queue configurations and issue an Initialize command to the CP.
|
|
*
|
|
* Arguments:
|
|
* fup pointer to device unit structure
|
|
*
|
|
* Returns:
|
|
* none
|
|
*/
|
|
void
|
|
fore_initialize(fup)
|
|
Fore_unit *fup;
|
|
{
|
|
Aali *aap;
|
|
Init_parms *inp;
|
|
caddr_t errmsg;
|
|
u_long vers;
|
|
|
|
/*
|
|
* Must wait until firmware has been downloaded and is running
|
|
*/
|
|
if (CP_READ(fup->fu_mon->mon_bstat) != BOOT_RUNNING) {
|
|
|
|
/*
|
|
* Try again later
|
|
*/
|
|
fup->fu_thandle =
|
|
timeout((KTimeout_ret(*)(void *))fore_initialize,
|
|
(void *)fup, hz);
|
|
return;
|
|
} else
|
|
callout_handle_init(&fup->fu_thandle);
|
|
|
|
/*
|
|
* Allocate queues and whatever else is needed
|
|
*/
|
|
if (fore_xmit_allocate(fup)) {
|
|
errmsg = "transmit queue allocation";
|
|
goto failed;
|
|
}
|
|
if (fore_recv_allocate(fup)) {
|
|
errmsg = "receive queue allocation";
|
|
goto failed;
|
|
}
|
|
if (fore_buf_allocate(fup)) {
|
|
errmsg = "buffer supply queue allocation";
|
|
goto failed;
|
|
}
|
|
if (fore_cmd_allocate(fup)) {
|
|
errmsg = "command queue allocation";
|
|
goto failed;
|
|
}
|
|
|
|
/*
|
|
* CP microcode is downloaded - locate shared memory interface
|
|
*/
|
|
aap = (Aali *)(fup->fu_ram + CP_READ(fup->fu_mon->mon_appl));
|
|
fup->fu_aali = aap;
|
|
|
|
/*
|
|
* Pick out any interesting info from the microcode
|
|
*/
|
|
vers = CP_READ(aap->aali_ucode_ver);
|
|
if (vers < FORE_MIN_UCODE) {
|
|
errmsg = "unsupported microcode version";
|
|
goto failed;
|
|
}
|
|
snprintf(fup->fu_config.ac_firm_vers,
|
|
sizeof(fup->fu_config.ac_firm_vers), "%ld.%ld.%ld",
|
|
(vers >> 16) & 0xff, (vers >> 8) & 0xff, vers & 0xff);
|
|
|
|
#ifdef notdef
|
|
/*
|
|
* Turn on CP debugging
|
|
*/
|
|
aap->aali_hostlog = 1;
|
|
#endif
|
|
|
|
/*
|
|
* Build the initialization block
|
|
*/
|
|
inp = &aap->aali_init;
|
|
inp->init_numvcc = CP_WRITE(FORE_MAX_VCC);
|
|
inp->init_cmd_elem = CP_WRITE(CMD_QUELEN);
|
|
inp->init_xmit_elem = CP_WRITE(XMIT_QUELEN);
|
|
inp->init_recv_elem = CP_WRITE(RECV_QUELEN);
|
|
inp->init_recv_ext = CP_WRITE(RECV_EXTRA_SEGS);
|
|
inp->init_xmit_ext = CP_WRITE(XMIT_EXTRA_SEGS);
|
|
inp->init_buf1s.bfs_quelen = CP_WRITE(BUF1_SM_QUELEN);
|
|
inp->init_buf1s.bfs_bufsize = CP_WRITE(BUF1_SM_SIZE);
|
|
inp->init_buf1s.bfs_cppool = CP_WRITE(BUF1_SM_CPPOOL);
|
|
inp->init_buf1s.bfs_entsize = CP_WRITE(BUF1_SM_ENTSIZE);
|
|
inp->init_buf1l.bfs_quelen = CP_WRITE(BUF1_LG_QUELEN);
|
|
inp->init_buf1l.bfs_bufsize = CP_WRITE(BUF1_LG_SIZE);
|
|
inp->init_buf1l.bfs_cppool = CP_WRITE(BUF1_LG_CPPOOL);
|
|
inp->init_buf1l.bfs_entsize = CP_WRITE(BUF1_LG_ENTSIZE);
|
|
inp->init_buf2s.bfs_quelen = CP_WRITE(0);
|
|
inp->init_buf2s.bfs_bufsize = CP_WRITE(0);
|
|
inp->init_buf2s.bfs_cppool = CP_WRITE(0);
|
|
inp->init_buf2s.bfs_entsize = CP_WRITE(0);
|
|
inp->init_buf2l.bfs_quelen = CP_WRITE(0);
|
|
inp->init_buf2l.bfs_bufsize = CP_WRITE(0);
|
|
inp->init_buf2l.bfs_cppool = CP_WRITE(0);
|
|
inp->init_buf2l.bfs_entsize = CP_WRITE(0);
|
|
|
|
/*
|
|
* Enable device interrupts
|
|
*/
|
|
aap->aali_intr_ena = CP_WRITE(1);
|
|
|
|
/*
|
|
* Issue the Initialize command to the CP and wait for
|
|
* the CP to interrupt to signal completion
|
|
*/
|
|
inp->init_status = CP_WRITE(QSTAT_PENDING);
|
|
inp->init_cmd = CP_WRITE(CMD_INIT | CMD_INTR_REQ);
|
|
return;
|
|
|
|
failed:
|
|
/*
|
|
* Initialization failure
|
|
*/
|
|
fore_interface_free(fup);
|
|
log(LOG_ERR, "fore initialization failed: intf=%s%d, err=%s\n",
|
|
fup->fu_pif.pif_name, fup->fu_pif.pif_unit, errmsg);
|
|
return;
|
|
}
|
|
|
|
|
|
/*
|
|
* Complete CP Initialization
|
|
*
|
|
* Called after the CP has successfully completed processing of the
|
|
* Initialize command. We will now finish off our part of the
|
|
* initialization process by setting up all the host-based queue
|
|
* management structures.
|
|
*
|
|
* Called at interrupt level.
|
|
*
|
|
* Arguments:
|
|
* fup pointer to device unit structure
|
|
*
|
|
* Returns:
|
|
* none
|
|
*/
|
|
void
|
|
fore_initialize_complete(fup)
|
|
Fore_unit *fup;
|
|
{
|
|
Aali *aap = fup->fu_aali;
|
|
|
|
/*
|
|
* Log an initialization failure
|
|
*/
|
|
if (CP_READ(aap->aali_init.init_status) & QSTAT_ERROR) {
|
|
|
|
log(LOG_ERR,
|
|
"fore initialization failed: intf=%s%d, hbeat=0x%lx\n",
|
|
fup->fu_pif.pif_name, fup->fu_pif.pif_unit,
|
|
(u_long)CP_READ(aap->aali_heartbeat));
|
|
return;
|
|
}
|
|
|
|
ATM_DEBUG1("heap=0x%lx\n", aap->aali_heap);
|
|
ATM_DEBUG1("heaplen=0x%lx\n", aap->aali_heaplen);
|
|
ATM_DEBUG1("cmd_q=0x%lx\n", aap->aali_cmd_q);
|
|
ATM_DEBUG1("xmit_q=0x%lx\n", aap->aali_xmit_q);
|
|
ATM_DEBUG1("recv_q=0x%lx\n", aap->aali_recv_q);
|
|
ATM_DEBUG1("buf1s_q=0x%lx\n", aap->aali_buf1s_q);
|
|
ATM_DEBUG1("buf1l_q=0x%lx\n", aap->aali_buf1l_q);
|
|
ATM_DEBUG1("buf2s_q=0x%lx\n", aap->aali_buf2s_q);
|
|
ATM_DEBUG1("buf2l_q=0x%lx\n", aap->aali_buf2l_q);
|
|
|
|
/*
|
|
* Initialize all of our queues
|
|
*/
|
|
fore_xmit_initialize(fup);
|
|
fore_recv_initialize(fup);
|
|
fore_buf_initialize(fup);
|
|
fore_cmd_initialize(fup);
|
|
|
|
/*
|
|
* Mark device initialization completed
|
|
*/
|
|
fup->fu_flags |= CUF_INITED;
|
|
|
|
fore_get_prom(fup);
|
|
return;
|
|
}
|
|
|
|
|
|
/*
|
|
* Get device PROM values from CP
|
|
*
|
|
* This function will issue a GET_PROM command to the CP in order to
|
|
* initiate the DMA transfer of the CP's PROM structure to the host.
|
|
* This will be called after CP initialization has completed.
|
|
* There is (currently) no retry if this fails.
|
|
*
|
|
* Called at interrupt level.
|
|
*
|
|
* Arguments:
|
|
* fup pointer to device unit structure
|
|
*
|
|
* Returns:
|
|
* none
|
|
*
|
|
*/
|
|
static void
|
|
fore_get_prom(fup)
|
|
Fore_unit *fup;
|
|
{
|
|
H_cmd_queue *hcp;
|
|
Cmd_queue *cqp;
|
|
|
|
/*
|
|
* Queue command at end of command queue
|
|
*/
|
|
hcp = fup->fu_cmd_tail;
|
|
if ((*hcp->hcq_status) & QSTAT_FREE) {
|
|
|
|
/*
|
|
* Queue entry available, so set our view of things up
|
|
*/
|
|
hcp->hcq_code = CMD_GET_PROM;
|
|
hcp->hcq_arg = NULL;
|
|
fup->fu_cmd_tail = hcp->hcq_next;
|
|
|
|
/*
|
|
* Now set the CP-resident queue entry - the CP will grab
|
|
* the command when the op-code is set.
|
|
*/
|
|
cqp = hcp->hcq_cpelem;
|
|
(*hcp->hcq_status) = QSTAT_PENDING;
|
|
|
|
fup->fu_promd = (Fore_prom *)vtophys(fup->fu_prom);
|
|
if (fup->fu_promd == NULL) {
|
|
fup->fu_stats->st_drv.drv_cm_nodma++;
|
|
return;
|
|
}
|
|
cqp->cmdq_prom.prom_buffer = (CP_dma) CP_WRITE(fup->fu_promd);
|
|
cqp->cmdq_prom.prom_cmd = CP_WRITE(CMD_GET_PROM | CMD_INTR_REQ);
|
|
|
|
} else {
|
|
/*
|
|
* Command queue full
|
|
*/
|
|
fup->fu_stats->st_drv.drv_cm_full++;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|