diff options
Diffstat (limited to 'sys/dev/hfa/fore_command.c')
| -rw-r--r-- | sys/dev/hfa/fore_command.c | 466 |
1 files changed, 0 insertions, 466 deletions
diff --git a/sys/dev/hfa/fore_command.c b/sys/dev/hfa/fore_command.c deleted file mode 100644 index c7e3889..0000000 --- a/sys/dev/hfa/fore_command.c +++ /dev/null @@ -1,466 +0,0 @@ -/*- - * - * =================================== - * 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 - * --------------------------------------- - * - * Command queue management - * - */ - -#include <sys/param.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_vc.h> -#include <netatm/atm_stack.h> -#include <netatm/atm_pcb.h> -#include <netatm/atm_var.h> -#include <dev/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 variables - */ -static struct t_atm_cause fore_cause = { - T_ATM_ITU_CODING, - T_ATM_LOC_USER, - T_ATM_CAUSE_TEMPORARY_FAILURE, - {0, 0, 0, 0} -}; - - -/* - * Allocate Command Queue Data Structures - * - * Arguments: - * fup pointer to device unit structure - * - * Returns: - * 0 allocations successful - * else allocation failed - */ -int -fore_cmd_allocate(fup) - Fore_unit *fup; -{ - caddr_t memp; - vm_paddr_t pmemp; - - /* - * Allocate non-cacheable memory for command status words - */ - memp = atm_dev_alloc(sizeof(Q_status) * CMD_QUELEN, - QSTAT_ALIGN, ATM_DEV_NONCACHE); - if (memp == NULL) { - return (1); - } - fup->fu_cmd_stat = (Q_status *) memp; - - pmemp = vtophys(fup->fu_cmd_stat); - if (pmemp == 0) { - return (1); - } - fup->fu_cmd_statd = pmemp; - - /* - * Allocate memory for statistics buffer - */ - memp = atm_dev_alloc(sizeof(Fore_stats), FORE_STATS_ALIGN, 0); - if (memp == NULL) { - return (1); - } - fup->fu_stats = (Fore_stats *) memp; - - /* - * Allocate memory for PROM buffer - */ - memp = atm_dev_alloc(sizeof(Fore_prom), FORE_PROM_ALIGN, 0); - if (memp == NULL) { - return (1); - } - fup->fu_prom = (Fore_prom *) memp; - - return (0); -} - - -/* - * Command Queue Initialization - * - * Allocate and initialize the host-resident command queue structures - * and then initialize the CP-resident queue structures. - * - * Called at interrupt level. - * - * Arguments: - * fup pointer to device unit structure - * - * Returns: - * none - */ -void -fore_cmd_initialize(fup) - Fore_unit *fup; -{ - Aali *aap = fup->fu_aali; - Cmd_queue *cqp; - H_cmd_queue *hcp; - Q_status *qsp; - vm_paddr_t qsp_dma; - int i; - - /* - * Point to CP-resident command queue - */ - cqp = (Cmd_queue *)(fup->fu_ram + CP_READ(aap->aali_cmd_q)); - - /* - * Point to host-resident command queue structures - */ - hcp = fup->fu_cmd_q; - qsp = fup->fu_cmd_stat; - qsp_dma = fup->fu_cmd_statd; - - /* - * Loop thru all queue entries and do whatever needs doing - */ - for (i = 0; i < CMD_QUELEN; i++) { - - /* - * Set queue status word to free - */ - *qsp = QSTAT_FREE; - - /* - * Set up host queue entry and link into ring - */ - hcp->hcq_cpelem = cqp; - hcp->hcq_status = qsp; - if (i == (CMD_QUELEN - 1)) - hcp->hcq_next = fup->fu_cmd_q; - else - hcp->hcq_next = hcp + 1; - - /* - * Now let the CP into the game - */ - cqp->cmdq_status = (CP_dma) CP_WRITE(qsp_dma); - - /* - * Bump all queue pointers - */ - hcp++; - qsp++; - qsp_dma += sizeof(Q_status); - cqp++; - } - - /* - * Initialize queue pointers - */ - fup->fu_cmd_head = fup->fu_cmd_tail = fup->fu_cmd_q; - - return; -} - - -/* - * Drain Command Queue - * - * This function will process and free all completed entries at the head - * of the command queue. - * - * May be called in interrupt state. - * Must be called with interrupts locked out. - * - * Arguments: - * fup pointer to device unit structure - * - * Returns: - * none - */ -void -fore_cmd_drain(fup) - Fore_unit *fup; -{ - H_cmd_queue *hcp; - Fore_vcc *fvp; - - /* - * Process each completed entry - * ForeThought 4 may set QSTAT_ERROR without QSTAT_COMPLETED. - */ - while (*fup->fu_cmd_head->hcq_status & (QSTAT_COMPLETED | QSTAT_ERROR)) { - - hcp = fup->fu_cmd_head; - - /* - * Process command completion - */ - switch (hcp->hcq_code) { - - case CMD_ACT_VCCIN: - case CMD_ACT_VCCOUT: - fvp = hcp->hcq_arg; - if (*hcp->hcq_status & QSTAT_ERROR) { - /* - * VCC activation failed - just abort vcc - */ - if (fvp) - atm_cm_abort(fvp->fv_connvc, - &fore_cause); - fup->fu_pif.pif_cmderrors++; - } else { - /* - * Successful VCC activation - */ - if (fvp) { - fvp->fv_state = CVS_ACTIVE; - fup->fu_open_vcc++; - } - } - break; - - case CMD_DACT_VCCIN: - case CMD_DACT_VCCOUT: - fvp = hcp->hcq_arg; - if (*hcp->hcq_status & QSTAT_ERROR) { - /* - * VCC dactivation failed - whine - */ - log(LOG_ERR, - "fore_cmd_drain: DACT failed, vcc=(%d,%d)\n", - fvp->fv_connvc->cvc_vcc->vc_vpi, - fvp->fv_connvc->cvc_vcc->vc_vci); - fup->fu_pif.pif_cmderrors++; - } else { - /* - * Successful VCC dactivation - so what? - */ - } - break; - - case CMD_GET_STATS: - if (*hcp->hcq_status & QSTAT_ERROR) { - /* - * Couldn't get stats - */ - fup->fu_pif.pif_cmderrors++; - fup->fu_stats_ret = EIO; - } else { - /* - * Stats are now in unit buffer - */ - fup->fu_stats_ret = 0; - } - fup->fu_flags &= ~FUF_STATCMD; - - /* - * Flush received stats data - */ -#ifdef VAC - if (vac) - vac_pageflush((addr_t)fup->fu_stats); -#endif - -#if BYTE_ORDER == LITTLE_ENDIAN - /* - * Little endian machines receives the stats in - * wrong byte order. Instead of swapping in user - * land, swap here so that everything going out - * of the kernel is in correct host order. - */ - { - u_long *bp = (u_long *)fup->fu_stats; - int loop; - - for ( loop = 0; loop < sizeof(Fore_cp_stats)/ - sizeof(long); loop++, bp++ ) - *bp = ntohl(*bp); - } -#endif /* BYTE_ORDER == LITTLE_ENDIAN */ - - /* - * Poke whoever is waiting on the stats - */ - wakeup(&fup->fu_stats); - break; - - case CMD_GET_PROM: - if (fup->fu_ft4) - goto unknown; - goto prom; - - case CMD_GET_PROM4: - if (!fup->fu_ft4) - goto unknown; - prom: - if (*hcp->hcq_status & QSTAT_ERROR) { - /* - * Couldn't get PROM data - */ - fup->fu_pif.pif_cmderrors++; - log(LOG_ERR, - "fore_cmd_drain: %s%d: GET_PROM failed\n", - fup->fu_pif.pif_name, - fup->fu_pif.pif_unit); - } else { - Fore_prom *fp = fup->fu_prom; - - /* - * Flush received PROM data - */ -#ifdef VAC - if (vac) - vac_pageflush((addr_t)fp); -#endif - /* - * Copy PROM info into config areas - */ - bcopy(&fp->pr_mac[2], - &fup->fu_pif.pif_macaddr, - sizeof(struct mac_addr)); - fup->fu_config.ac_macaddr = - fup->fu_pif.pif_macaddr; - snprintf(fup->fu_config.ac_hard_vers, - sizeof(fup->fu_config.ac_hard_vers), - "%ld.%ld.%ld", - (fp->pr_hwver >> 16) & 0xff, - (fp->pr_hwver >> 8) & 0xff, - fp->pr_hwver & 0xff); - fup->fu_config.ac_serial = fp->pr_serno; - } - break; - - default: - unknown: - log(LOG_ERR, "fore_cmd_drain: unknown command %ld\n", - hcp->hcq_code); - } - - /* - * Mark this entry free for use and bump head pointer - * to the next entry in the queue - */ - *hcp->hcq_status = QSTAT_FREE; - fup->fu_cmd_head = hcp->hcq_next; - } - - return; -} - - -/* - * Free Command Queue Data Structures - * - * Arguments: - * fup pointer to device unit structure - * - * Returns: - * none - */ -void -fore_cmd_free(fup) - Fore_unit *fup; -{ - H_cmd_queue *hcp; - - /* - * Deal with any commands left on the queue - */ - if (fup->fu_flags & CUF_INITED) { - while (*fup->fu_cmd_head->hcq_status != QSTAT_FREE) { - hcp = fup->fu_cmd_head; - - switch (hcp->hcq_code) { - - case CMD_GET_STATS: - /* - * Just in case someone is sleeping on this - */ - fup->fu_stats_ret = EIO; - wakeup(&fup->fu_stats); - break; - } - - *hcp->hcq_status = QSTAT_FREE; - fup->fu_cmd_head = hcp->hcq_next; - } - } - - /* - * Free the statistics buffer - */ - if (fup->fu_stats) { - atm_dev_free(fup->fu_stats); - fup->fu_stats = NULL; - } - - /* - * Free the PROM buffer - */ - if (fup->fu_prom) { - atm_dev_free(fup->fu_prom); - fup->fu_prom = NULL; - } - - /* - * Free the status words - */ - if (fup->fu_cmd_stat) { - atm_dev_free((volatile void *)fup->fu_cmd_stat); - fup->fu_cmd_stat = NULL; - fup->fu_cmd_statd = 0; - } - - return; -} - |
