diff options
Diffstat (limited to 'usr/src')
| -rw-r--r-- | usr/src/uts/common/io/sfe/sfe.c | 76 |
1 files changed, 73 insertions, 3 deletions
diff --git a/usr/src/uts/common/io/sfe/sfe.c b/usr/src/uts/common/io/sfe/sfe.c index 8e4f2d0119..2e0bf4ccc1 100644 --- a/usr/src/uts/common/io/sfe/sfe.c +++ b/usr/src/uts/common/io/sfe/sfe.c @@ -32,7 +32,7 @@ */ /* - * Copyright 2008 Sun Microsystems, Inc. All rights reserved. + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ @@ -55,7 +55,7 @@ #include "sfe_util.h" #include "sfereg.h" -char ident[] = "sis900/dp83815 driver v" "2.6.1t29os"; +char ident[] = "sis900/dp83815 driver v" "2.6.1t30os"; /* Debugging support */ #ifdef DEBUG_LEVEL @@ -952,6 +952,46 @@ sfe_stop_chip(struct gem_dev *dp) return (GEM_SUCCESS); } +#ifndef __sparc +/* + * Stop nic core gracefully for quiesce + */ +static int +sfe_stop_chip_quiesce(struct gem_dev *dp) +{ + struct sfe_dev *lp = dp->private; + uint32_t done; + int i; + uint32_t val; + + /* + * Although we inhibit interrupt here, we don't clear soft copy of + * interrupt mask to avoid bogus interrupts. + */ + OUTL(dp, IMR, 0); + + /* stop TX and RX immediately */ + OUTL(dp, CR, CR_TXR | CR_RXR); + + done = 0; + for (i = 0; done != (ISR_RXRCMP | ISR_TXRCMP); i++) { + if (i > 1000) { + /* + * As gem layer will call sfe_reset_chip(), + * we don't neet to reset futher + */ + + return (DDI_FAILURE); + } + val = INL(dp, ISR); + done |= val & (ISR_RXRCMP | ISR_TXRCMP); + lp->isr_pended |= val & lp->our_intr_bits; + drv_usecwait(10); + } + return (DDI_SUCCESS); +} +#endif + /* * Setup media mode */ @@ -2289,13 +2329,43 @@ sfedetach(dev_info_t *dip, ddi_detach_cmd_t cmd) return (DDI_FAILURE); } +/* + * quiesce(9E) entry point. + * + * This function is called when the system is single-threaded at high + * PIL with preemption disabled. Therefore, this function must not be + * blocked. + * + * This function returns DDI_SUCCESS on success, or DDI_FAILURE on failure. + * DDI_FAILURE indicates an error condition and should almost never happen. + */ +#ifdef __sparc +#define sfe_quiesce ddi_quiesce_not_supported +#else +static int +sfe_quiesce(dev_info_t *dip) +{ + struct gem_dev *dp; + int ret = 0; + + dp = GEM_GET_DEV(dip); + + if (dp == NULL) + return (DDI_FAILURE); + + ret = sfe_stop_chip_quiesce(dp); + + return (ret); +} +#endif + /* ======================================================== */ /* * OS depend (loadable streams driver) routine */ /* ======================================================== */ DDI_DEFINE_STREAM_OPS(sfe_ops, nulldev, nulldev, sfeattach, sfedetach, - nodev, NULL, D_MP, NULL, ddi_quiesce_not_supported); + nodev, NULL, D_MP, NULL, sfe_quiesce); static struct modldrv modldrv = { &mod_driverops, /* Type of module. This one is a driver */ |