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freebsd-skq/sys/dev/le/if_le_ledma.c

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Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
/* $NetBSD: if_le_ledma.c,v 1.26 2005/12/11 12:23:44 christos Exp $ */
/*-
* Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum; Jason R. Thorpe of the Numerical Aerospace
* Simulation Facility, NASA Ames Research Center; Paul Kranenburg.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/endian.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/module.h>
#include <sys/mutex.h>
#include <sys/resource.h>
#include <sys/rman.h>
#include <sys/socket.h>
#include <dev/ofw/ofw_bus.h>
#include <machine/bus.h>
#include <machine/ofw_machdep.h>
#include <machine/resource.h>
#include <net/ethernet.h>
#include <net/if.h>
Provide necessary includes.
2013-10-28 23:34:05 +00:00
#include <net/if_var.h>
Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
#include <net/if_media.h>
#include <sparc64/sbus/lsi64854reg.h>
#include <sparc64/sbus/lsi64854var.h>
#include <dev/le/lancereg.h>
#include <dev/le/lancevar.h>
#include <dev/le/am7990var.h>
- Revert if_le_pci.c rev. 1.2; although lnc(4) is now gone, le_pci_probe() still should return BUS_PROBE_LOW_PRIORITY instead of BUS_PROBE_DEFAULT in order to give pcn(4) a chance to attach in case it probes after le(4). - Rearrange the code related to RX interrupt handling so that ownership of RX descriptors is immediately returned to the NIC after we have copied the data of the hardware, allowing the NIC to already reuse the descriptor while we are processing the data in ifp->if_input(). This results in a small but measurable increase in RX throughput. As a side-effect, this moves the workaround for the LANCE revision C bug to am7900.c (still off by default as I doubt we will actually encounter such an old chip in a machine running FreeBSD) and the workaround for the bug in the VMware PCnet-PCI emulation to am79000.c, which is now also only compiled on i386 (resulting in a small increase in RX throughput on the other platforms). - Change the RX interrupt handlers so that the descriptor error bits are only check once in case there was no error instead of twice (inspired by the NetBSD pcn(4), which additionally predicts the error branch as false). - Fix the debugging output of the RX and TX interrupt handlers; while looping through the descriptors print info about the currently processed one instead of always the previously last used one; remove pointless printing of info about the RX descriptor bits after their values were reset. - Create the DMA tags used to allocate the memory for the init block, descriptors and packet buffers with the alignment the respective NIC actually requires rather than using PAGE_SIZE unconditionally. This might as well fix the alignment of the memory as it seems we do not inherit the alignment constraint from the parent DMA tag. - For the PCI variants double the number of RX descriptors and buffers from 8 to 16 as this minimizes the number of RX overflows im seeing with one NIC-mainboard combination. Nevertheless move reporting of overflows under debugging as they seem unavoidable with some crappy hardware. - Set the software style of the PCI variants to ILACC rather than PCnet-PCI as the former is was am79000.c actually implements. Should not make a difference for this driver though. - Fix the driver name part in the MODULE_DEPEND of the PCI front-end for ether. - Use different device descriptions for PCnet-Home and PCnet-PCI. - Fix some 0/NULL confusion in lance_get(). - Use bus_addr_t for sc_addr and bus_size_t for sc_memsize as these are more appropriate than u_long for these. - Remove the unused LE_DRIVER_NAME macro. - Add a comment describing why we are taking the LE_HTOLE* etc approach instead of using byteorder(9) functions directly. - Improve some comments and fix some wording. MFC after: 2 weeks
2006-05-16 21:04:01 +00:00
#define LEDMA_ALIGNMENT 8 /* ring desc. alignmet for NCR92C990 */
Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
#define LEDMA_BOUNDARY (16*1024*1024) /* must not cross 16MB boundary */
#define LEDMA_MEMSIZE (16*1024) /* LANCE memory size */
#define LEREG1_RDP 0 /* Register Data Port */
#define LEREG1_RAP 2 /* Register Address Port */
struct le_dma_softc {
struct am7990_softc sc_am7990; /* glue to MI code */
struct resource *sc_rres;
struct resource *sc_ires;
void *sc_ih;
bus_dma_tag_t sc_dmat;
bus_dmamap_t sc_dmam;
bus_addr_t sc_laddr; /* LANCE DMA address */
struct lsi64854_softc *sc_dma; /* pointer to DMA engine */
};
static device_probe_t le_dma_probe;
static device_attach_t le_dma_attach;
static device_detach_t le_dma_detach;
static device_resume_t le_dma_resume;
static device_suspend_t le_dma_suspend;
static device_method_t le_dma_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, le_dma_probe),
DEVMETHOD(device_attach, le_dma_attach),
DEVMETHOD(device_detach, le_dma_detach),
/* We can just use the suspend method here. */
DEVMETHOD(device_shutdown, le_dma_suspend),
DEVMETHOD(device_suspend, le_dma_suspend),
DEVMETHOD(device_resume, le_dma_resume),
{ 0, 0 }
};
DEFINE_CLASS_0(le, le_dma_driver, le_dma_methods, sizeof(struct le_dma_softc));
DRIVER_MODULE(le, dma, le_dma_driver, le_devclass, 0, 0);
o Move the MODULE_DEPEND() for cam(4) from the esp_sbus.c front-end to the ncr53c9x.c core where it actually belongs so future front-ends don't need to add it. o Use the correct OFW property when looking for the initiator ID of the SBus device. o Don't specify an alignment when creating the parent DMA tag for SUNW,fas; their DMA engine doesn't require an alignment constraint and it's no inherited by the child DMA tags anyway (which probably is a bug though). o Drop the superfluous sc_maxsync and use sc_minsync instead. The former apparently was added due to a confusion with the maximum frequency used in cam(4), which basically corresponds to the inverse of minimum sync period. o Merge ncr53c9x.c from NetBSD: 1.116: NCRDMA_SETUP() should be called before NCR_SET_COUNT() and NCRCMD_DMA command in ncr53c9x_select(). 1.125: free allocated resources on detach. o Static'ize ncr53c9x_action(), ncr53c9x_init() and ncr53c9x_reset() as these are not required outside of ncr53c9x.c. o In ncr53c9x_attach() don't leak the device mutex in case attaching fails. o Register an asynchronous notification handler so in case cam(4) reports a lost device we can cancel outstanding commands and restore the default parameters for the target in question. o For FAS366 correctly support 16-bit target IDs and let it know that we use 32-bit transfers. o Overhaul the negotiation of transfer settings. This includes distinguishing between current and goal transfer settings of the target so we can renegotiate their goal settings when necessary and correcting the order in which tagged, wide and synchronous transfers are negotiated. o If we are requesting sense, force a renegotiation if we are currently using anything different from asynchronous at 8 bit as the target might have lost our transfer negotiations. o In case of an XPT_RESET_BUS just directly call ncr53c9x_init() instead of issuing a NCRCMD_RSTSCSI, which in turn will issue an interrupt that is treated as an unexpected SCSI bus reset by ncr53c9x_intr() and thus calls ncr53c9x_init(). Remove the now no longer used ncr53c9x_scsi_reset(). o Correct an off-by-one error when setting cpi->max_lun. o In replace printf(9) with device_printf(9) calls where appropriate and in ncr53c9x_action() remove some unnecessarily verbose messages. o In ncr53c9x_sched() use TAILQ_FOREACH() instead of reimplementing it and consolidate two tagging-related target info checks into one. o In ncr53c9x_done() set the CAM status to CAM_SCSI_STATUS_ERROR when appropriate, respect CAM_DIS_AUTOSENSE and teach it to return SCSI status information. o In ncr53c9x_dequeue() ensure the tags are cleared. o Use ulmin() instead of min() where appropriate. o In ncr53c9x_msgout() consistently use the reset label. o When we're interrupted during a data phase and the DMA engine is still active, don't panic but reset the core and the DMA engine as this should be sufficient. Also, the typical problem for triggering this was the lack of renegotiation when requesting sense. o Correctly handle DEVICE RESETs. o Adapt the locking of esp(4) to MPSAFE cam(4). This includes moving the calls of lsi64854_attach() to the bus front-ends so it can pass the esp(4) mutex to bus_dma_tag_create(9). o Change the LSI64854 driver to not create a DMA tag and map for the Ethernet channel as le(4) will handle these on its own as well as sync and unload the DMA maps for the SCSI and parallel port channel after a DMA transfer. o Cam(4)'ify some NetBSD-centric comments. o Use bus_{read,write}_*(9) instead of bus_space_{read,write}_*(9) and take advantage of rman_get_rid(9) in order to save some softc members. Reviewed by: scottl MFC after: 1 month
2008-09-08 20:20:44 +00:00
MODULE_DEPEND(le, dma, 1, 1, 1);
Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
MODULE_DEPEND(le, ether, 1, 1, 1);
/*
* Media types supported
*/
static const int le_dma_supmedia[] = {
IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0),
IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0),
IFM_MAKEWORD(IFM_ETHER, IFM_10_5, 0, 0)
};
static void le_dma_wrcsr(struct lance_softc *, uint16_t, uint16_t);
static uint16_t le_dma_rdcsr(struct lance_softc *, uint16_t);
static void le_dma_setutp(struct lance_softc *);
static void le_dma_setaui(struct lance_softc *);
static int le_dma_supmediachange(struct lance_softc *);
static void le_dma_supmediastatus(struct lance_softc *, struct ifmediareq *);
static void le_dma_hwreset(struct lance_softc *);
static int le_dma_hwintr(struct lance_softc *);
static void le_dma_nocarrier(struct lance_softc *);
static bus_dmamap_callback_t le_dma_dma_callback;
static void
le_dma_wrcsr(struct lance_softc *sc, uint16_t port, uint16_t val)
{
struct le_dma_softc *lesc = (struct le_dma_softc *)sc;
o Move the MODULE_DEPEND() for cam(4) from the esp_sbus.c front-end to the ncr53c9x.c core where it actually belongs so future front-ends don't need to add it. o Use the correct OFW property when looking for the initiator ID of the SBus device. o Don't specify an alignment when creating the parent DMA tag for SUNW,fas; their DMA engine doesn't require an alignment constraint and it's no inherited by the child DMA tags anyway (which probably is a bug though). o Drop the superfluous sc_maxsync and use sc_minsync instead. The former apparently was added due to a confusion with the maximum frequency used in cam(4), which basically corresponds to the inverse of minimum sync period. o Merge ncr53c9x.c from NetBSD: 1.116: NCRDMA_SETUP() should be called before NCR_SET_COUNT() and NCRCMD_DMA command in ncr53c9x_select(). 1.125: free allocated resources on detach. o Static'ize ncr53c9x_action(), ncr53c9x_init() and ncr53c9x_reset() as these are not required outside of ncr53c9x.c. o In ncr53c9x_attach() don't leak the device mutex in case attaching fails. o Register an asynchronous notification handler so in case cam(4) reports a lost device we can cancel outstanding commands and restore the default parameters for the target in question. o For FAS366 correctly support 16-bit target IDs and let it know that we use 32-bit transfers. o Overhaul the negotiation of transfer settings. This includes distinguishing between current and goal transfer settings of the target so we can renegotiate their goal settings when necessary and correcting the order in which tagged, wide and synchronous transfers are negotiated. o If we are requesting sense, force a renegotiation if we are currently using anything different from asynchronous at 8 bit as the target might have lost our transfer negotiations. o In case of an XPT_RESET_BUS just directly call ncr53c9x_init() instead of issuing a NCRCMD_RSTSCSI, which in turn will issue an interrupt that is treated as an unexpected SCSI bus reset by ncr53c9x_intr() and thus calls ncr53c9x_init(). Remove the now no longer used ncr53c9x_scsi_reset(). o Correct an off-by-one error when setting cpi->max_lun. o In replace printf(9) with device_printf(9) calls where appropriate and in ncr53c9x_action() remove some unnecessarily verbose messages. o In ncr53c9x_sched() use TAILQ_FOREACH() instead of reimplementing it and consolidate two tagging-related target info checks into one. o In ncr53c9x_done() set the CAM status to CAM_SCSI_STATUS_ERROR when appropriate, respect CAM_DIS_AUTOSENSE and teach it to return SCSI status information. o In ncr53c9x_dequeue() ensure the tags are cleared. o Use ulmin() instead of min() where appropriate. o In ncr53c9x_msgout() consistently use the reset label. o When we're interrupted during a data phase and the DMA engine is still active, don't panic but reset the core and the DMA engine as this should be sufficient. Also, the typical problem for triggering this was the lack of renegotiation when requesting sense. o Correctly handle DEVICE RESETs. o Adapt the locking of esp(4) to MPSAFE cam(4). This includes moving the calls of lsi64854_attach() to the bus front-ends so it can pass the esp(4) mutex to bus_dma_tag_create(9). o Change the LSI64854 driver to not create a DMA tag and map for the Ethernet channel as le(4) will handle these on its own as well as sync and unload the DMA maps for the SCSI and parallel port channel after a DMA transfer. o Cam(4)'ify some NetBSD-centric comments. o Use bus_{read,write}_*(9) instead of bus_space_{read,write}_*(9) and take advantage of rman_get_rid(9) in order to save some softc members. Reviewed by: scottl MFC after: 1 month
2008-09-08 20:20:44 +00:00
bus_write_2(lesc->sc_rres, LEREG1_RAP, port);
bus_barrier(lesc->sc_rres, LEREG1_RAP, 2, BUS_SPACE_BARRIER_WRITE);
bus_write_2(lesc->sc_rres, LEREG1_RDP, val);
Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
}
static uint16_t
le_dma_rdcsr(struct lance_softc *sc, uint16_t port)
{
struct le_dma_softc *lesc = (struct le_dma_softc *)sc;
o Move the MODULE_DEPEND() for cam(4) from the esp_sbus.c front-end to the ncr53c9x.c core where it actually belongs so future front-ends don't need to add it. o Use the correct OFW property when looking for the initiator ID of the SBus device. o Don't specify an alignment when creating the parent DMA tag for SUNW,fas; their DMA engine doesn't require an alignment constraint and it's no inherited by the child DMA tags anyway (which probably is a bug though). o Drop the superfluous sc_maxsync and use sc_minsync instead. The former apparently was added due to a confusion with the maximum frequency used in cam(4), which basically corresponds to the inverse of minimum sync period. o Merge ncr53c9x.c from NetBSD: 1.116: NCRDMA_SETUP() should be called before NCR_SET_COUNT() and NCRCMD_DMA command in ncr53c9x_select(). 1.125: free allocated resources on detach. o Static'ize ncr53c9x_action(), ncr53c9x_init() and ncr53c9x_reset() as these are not required outside of ncr53c9x.c. o In ncr53c9x_attach() don't leak the device mutex in case attaching fails. o Register an asynchronous notification handler so in case cam(4) reports a lost device we can cancel outstanding commands and restore the default parameters for the target in question. o For FAS366 correctly support 16-bit target IDs and let it know that we use 32-bit transfers. o Overhaul the negotiation of transfer settings. This includes distinguishing between current and goal transfer settings of the target so we can renegotiate their goal settings when necessary and correcting the order in which tagged, wide and synchronous transfers are negotiated. o If we are requesting sense, force a renegotiation if we are currently using anything different from asynchronous at 8 bit as the target might have lost our transfer negotiations. o In case of an XPT_RESET_BUS just directly call ncr53c9x_init() instead of issuing a NCRCMD_RSTSCSI, which in turn will issue an interrupt that is treated as an unexpected SCSI bus reset by ncr53c9x_intr() and thus calls ncr53c9x_init(). Remove the now no longer used ncr53c9x_scsi_reset(). o Correct an off-by-one error when setting cpi->max_lun. o In replace printf(9) with device_printf(9) calls where appropriate and in ncr53c9x_action() remove some unnecessarily verbose messages. o In ncr53c9x_sched() use TAILQ_FOREACH() instead of reimplementing it and consolidate two tagging-related target info checks into one. o In ncr53c9x_done() set the CAM status to CAM_SCSI_STATUS_ERROR when appropriate, respect CAM_DIS_AUTOSENSE and teach it to return SCSI status information. o In ncr53c9x_dequeue() ensure the tags are cleared. o Use ulmin() instead of min() where appropriate. o In ncr53c9x_msgout() consistently use the reset label. o When we're interrupted during a data phase and the DMA engine is still active, don't panic but reset the core and the DMA engine as this should be sufficient. Also, the typical problem for triggering this was the lack of renegotiation when requesting sense. o Correctly handle DEVICE RESETs. o Adapt the locking of esp(4) to MPSAFE cam(4). This includes moving the calls of lsi64854_attach() to the bus front-ends so it can pass the esp(4) mutex to bus_dma_tag_create(9). o Change the LSI64854 driver to not create a DMA tag and map for the Ethernet channel as le(4) will handle these on its own as well as sync and unload the DMA maps for the SCSI and parallel port channel after a DMA transfer. o Cam(4)'ify some NetBSD-centric comments. o Use bus_{read,write}_*(9) instead of bus_space_{read,write}_*(9) and take advantage of rman_get_rid(9) in order to save some softc members. Reviewed by: scottl MFC after: 1 month
2008-09-08 20:20:44 +00:00
bus_write_2(lesc->sc_rres, LEREG1_RAP, port);
bus_barrier(lesc->sc_rres, LEREG1_RAP, 2, BUS_SPACE_BARRIER_WRITE);
return (bus_read_2(lesc->sc_rres, LEREG1_RDP));
Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
}
static void
le_dma_setutp(struct lance_softc *sc)
{
struct lsi64854_softc *dma = ((struct le_dma_softc *)sc)->sc_dma;
L64854_SCSR(dma, L64854_GCSR(dma) | E_TP_AUI);
DELAY(20000); /* We must not touch the LANCE chip for 20ms. */
}
static void
le_dma_setaui(struct lance_softc *sc)
{
struct lsi64854_softc *dma = ((struct le_dma_softc *)sc)->sc_dma;
L64854_SCSR(dma, L64854_GCSR(dma) & ~E_TP_AUI);
DELAY(20000); /* We must not touch the LANCE chip for 20ms. */
}
static int
le_dma_supmediachange(struct lance_softc *sc)
{
struct ifmedia *ifm = &sc->sc_media;
if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
return (EINVAL);
/*
* Switch to the selected media. If autoselect is set, we don't
* really have to do anything. We'll switch to the other media
* when we detect loss of carrier.
*/
switch (IFM_SUBTYPE(ifm->ifm_media)) {
case IFM_10_T:
le_dma_setutp(sc);
break;
case IFM_10_5:
le_dma_setaui(sc);
break;
case IFM_AUTO:
break;
default:
return (EINVAL);
}
return (0);
}
static void
le_dma_supmediastatus(struct lance_softc *sc, struct ifmediareq *ifmr)
{
struct lsi64854_softc *dma = ((struct le_dma_softc *)sc)->sc_dma;
/*
* Notify the world which media we're currently using.
*/
if (L64854_GCSR(dma) & E_TP_AUI)
ifmr->ifm_active = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0);
else
ifmr->ifm_active = IFM_MAKEWORD(IFM_ETHER, IFM_10_5, 0, 0);
}
static void
le_dma_hwreset(struct lance_softc *sc)
{
struct le_dma_softc *lesc = (struct le_dma_softc *)sc;
struct lsi64854_softc *dma = lesc->sc_dma;
uint32_t aui_bit, csr;
/*
* Reset DMA channel.
*/
csr = L64854_GCSR(dma);
aui_bit = csr & E_TP_AUI;
DMA_RESET(dma);
/* Write bits 24-31 of Lance address. */
o Move the MODULE_DEPEND() for cam(4) from the esp_sbus.c front-end to the ncr53c9x.c core where it actually belongs so future front-ends don't need to add it. o Use the correct OFW property when looking for the initiator ID of the SBus device. o Don't specify an alignment when creating the parent DMA tag for SUNW,fas; their DMA engine doesn't require an alignment constraint and it's no inherited by the child DMA tags anyway (which probably is a bug though). o Drop the superfluous sc_maxsync and use sc_minsync instead. The former apparently was added due to a confusion with the maximum frequency used in cam(4), which basically corresponds to the inverse of minimum sync period. o Merge ncr53c9x.c from NetBSD: 1.116: NCRDMA_SETUP() should be called before NCR_SET_COUNT() and NCRCMD_DMA command in ncr53c9x_select(). 1.125: free allocated resources on detach. o Static'ize ncr53c9x_action(), ncr53c9x_init() and ncr53c9x_reset() as these are not required outside of ncr53c9x.c. o In ncr53c9x_attach() don't leak the device mutex in case attaching fails. o Register an asynchronous notification handler so in case cam(4) reports a lost device we can cancel outstanding commands and restore the default parameters for the target in question. o For FAS366 correctly support 16-bit target IDs and let it know that we use 32-bit transfers. o Overhaul the negotiation of transfer settings. This includes distinguishing between current and goal transfer settings of the target so we can renegotiate their goal settings when necessary and correcting the order in which tagged, wide and synchronous transfers are negotiated. o If we are requesting sense, force a renegotiation if we are currently using anything different from asynchronous at 8 bit as the target might have lost our transfer negotiations. o In case of an XPT_RESET_BUS just directly call ncr53c9x_init() instead of issuing a NCRCMD_RSTSCSI, which in turn will issue an interrupt that is treated as an unexpected SCSI bus reset by ncr53c9x_intr() and thus calls ncr53c9x_init(). Remove the now no longer used ncr53c9x_scsi_reset(). o Correct an off-by-one error when setting cpi->max_lun. o In replace printf(9) with device_printf(9) calls where appropriate and in ncr53c9x_action() remove some unnecessarily verbose messages. o In ncr53c9x_sched() use TAILQ_FOREACH() instead of reimplementing it and consolidate two tagging-related target info checks into one. o In ncr53c9x_done() set the CAM status to CAM_SCSI_STATUS_ERROR when appropriate, respect CAM_DIS_AUTOSENSE and teach it to return SCSI status information. o In ncr53c9x_dequeue() ensure the tags are cleared. o Use ulmin() instead of min() where appropriate. o In ncr53c9x_msgout() consistently use the reset label. o When we're interrupted during a data phase and the DMA engine is still active, don't panic but reset the core and the DMA engine as this should be sufficient. Also, the typical problem for triggering this was the lack of renegotiation when requesting sense. o Correctly handle DEVICE RESETs. o Adapt the locking of esp(4) to MPSAFE cam(4). This includes moving the calls of lsi64854_attach() to the bus front-ends so it can pass the esp(4) mutex to bus_dma_tag_create(9). o Change the LSI64854 driver to not create a DMA tag and map for the Ethernet channel as le(4) will handle these on its own as well as sync and unload the DMA maps for the SCSI and parallel port channel after a DMA transfer. o Cam(4)'ify some NetBSD-centric comments. o Use bus_{read,write}_*(9) instead of bus_space_{read,write}_*(9) and take advantage of rman_get_rid(9) in order to save some softc members. Reviewed by: scottl MFC after: 1 month
2008-09-08 20:20:44 +00:00
bus_write_4(dma->sc_res, L64854_REG_ENBAR,
Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
lesc->sc_laddr & 0xff000000);
DMA_ENINTR(dma);
/*
* Disable E-cache invalidates on chip writes.
* Retain previous cable selection bit.
*/
csr = L64854_GCSR(dma);
csr |= (E_DSBL_WR_INVAL | aui_bit);
L64854_SCSR(dma, csr);
DELAY(20000); /* We must not touch the LANCE chip for 20ms. */
}
static int
le_dma_hwintr(struct lance_softc *sc)
{
struct le_dma_softc *lesc = (struct le_dma_softc *)sc;
struct lsi64854_softc *dma = lesc->sc_dma;
return (DMA_INTR(dma));
}
static void
le_dma_nocarrier(struct lance_softc *sc)
{
struct le_dma_softc *lesc = (struct le_dma_softc *)sc;
/*
* Check if the user has requested a certain cable type, and
* if so, honor that request.
*/
if (L64854_GCSR(lesc->sc_dma) & E_TP_AUI) {
switch (IFM_SUBTYPE(sc->sc_media.ifm_media)) {
case IFM_10_5:
case IFM_AUTO:
if_printf(sc->sc_ifp, "lost carrier on UTP port, "
"switching to AUI port\n");
le_dma_setaui(sc);
}
} else {
switch (IFM_SUBTYPE(sc->sc_media.ifm_media)) {
case IFM_10_T:
case IFM_AUTO:
if_printf(sc->sc_ifp, "lost carrier on AUI port, "
"switching to UTP port\n");
le_dma_setutp(sc);
}
}
}
static void
le_dma_dma_callback(void *xsc, bus_dma_segment_t *segs, int nsegs, int error)
{
struct le_dma_softc *lesc = (struct le_dma_softc *)xsc;
if (error != 0)
return;
KASSERT(nsegs == 1, ("%s: bad DMA segment count", __func__));
lesc->sc_laddr = segs[0].ds_addr;
}
static int
le_dma_probe(device_t dev)
{
if (strcmp(ofw_bus_get_name(dev), "le") == 0) {
device_set_desc(dev, "LANCE Ethernet");
return (BUS_PROBE_DEFAULT);
}
return (ENXIO);
}
static int
le_dma_attach(device_t dev)
{
struct le_dma_softc *lesc;
struct lsi64854_softc *dma;
struct lance_softc *sc;
o Move the MODULE_DEPEND() for cam(4) from the esp_sbus.c front-end to the ncr53c9x.c core where it actually belongs so future front-ends don't need to add it. o Use the correct OFW property when looking for the initiator ID of the SBus device. o Don't specify an alignment when creating the parent DMA tag for SUNW,fas; their DMA engine doesn't require an alignment constraint and it's no inherited by the child DMA tags anyway (which probably is a bug though). o Drop the superfluous sc_maxsync and use sc_minsync instead. The former apparently was added due to a confusion with the maximum frequency used in cam(4), which basically corresponds to the inverse of minimum sync period. o Merge ncr53c9x.c from NetBSD: 1.116: NCRDMA_SETUP() should be called before NCR_SET_COUNT() and NCRCMD_DMA command in ncr53c9x_select(). 1.125: free allocated resources on detach. o Static'ize ncr53c9x_action(), ncr53c9x_init() and ncr53c9x_reset() as these are not required outside of ncr53c9x.c. o In ncr53c9x_attach() don't leak the device mutex in case attaching fails. o Register an asynchronous notification handler so in case cam(4) reports a lost device we can cancel outstanding commands and restore the default parameters for the target in question. o For FAS366 correctly support 16-bit target IDs and let it know that we use 32-bit transfers. o Overhaul the negotiation of transfer settings. This includes distinguishing between current and goal transfer settings of the target so we can renegotiate their goal settings when necessary and correcting the order in which tagged, wide and synchronous transfers are negotiated. o If we are requesting sense, force a renegotiation if we are currently using anything different from asynchronous at 8 bit as the target might have lost our transfer negotiations. o In case of an XPT_RESET_BUS just directly call ncr53c9x_init() instead of issuing a NCRCMD_RSTSCSI, which in turn will issue an interrupt that is treated as an unexpected SCSI bus reset by ncr53c9x_intr() and thus calls ncr53c9x_init(). Remove the now no longer used ncr53c9x_scsi_reset(). o Correct an off-by-one error when setting cpi->max_lun. o In replace printf(9) with device_printf(9) calls where appropriate and in ncr53c9x_action() remove some unnecessarily verbose messages. o In ncr53c9x_sched() use TAILQ_FOREACH() instead of reimplementing it and consolidate two tagging-related target info checks into one. o In ncr53c9x_done() set the CAM status to CAM_SCSI_STATUS_ERROR when appropriate, respect CAM_DIS_AUTOSENSE and teach it to return SCSI status information. o In ncr53c9x_dequeue() ensure the tags are cleared. o Use ulmin() instead of min() where appropriate. o In ncr53c9x_msgout() consistently use the reset label. o When we're interrupted during a data phase and the DMA engine is still active, don't panic but reset the core and the DMA engine as this should be sufficient. Also, the typical problem for triggering this was the lack of renegotiation when requesting sense. o Correctly handle DEVICE RESETs. o Adapt the locking of esp(4) to MPSAFE cam(4). This includes moving the calls of lsi64854_attach() to the bus front-ends so it can pass the esp(4) mutex to bus_dma_tag_create(9). o Change the LSI64854 driver to not create a DMA tag and map for the Ethernet channel as le(4) will handle these on its own as well as sync and unload the DMA maps for the SCSI and parallel port channel after a DMA transfer. o Cam(4)'ify some NetBSD-centric comments. o Use bus_{read,write}_*(9) instead of bus_space_{read,write}_*(9) and take advantage of rman_get_rid(9) in order to save some softc members. Reviewed by: scottl MFC after: 1 month
2008-09-08 20:20:44 +00:00
int error, i;
Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
lesc = device_get_softc(dev);
sc = &lesc->sc_am7990.lsc;
LE_LOCK_INIT(sc, device_get_nameunit(dev));
/*
* Establish link to `ledma' device.
* XXX hackery.
*/
dma = (struct lsi64854_softc *)device_get_softc(device_get_parent(dev));
lesc->sc_dma = dma;
lesc->sc_dma->sc_client = lesc;
o Move the MODULE_DEPEND() for cam(4) from the esp_sbus.c front-end to the ncr53c9x.c core where it actually belongs so future front-ends don't need to add it. o Use the correct OFW property when looking for the initiator ID of the SBus device. o Don't specify an alignment when creating the parent DMA tag for SUNW,fas; their DMA engine doesn't require an alignment constraint and it's no inherited by the child DMA tags anyway (which probably is a bug though). o Drop the superfluous sc_maxsync and use sc_minsync instead. The former apparently was added due to a confusion with the maximum frequency used in cam(4), which basically corresponds to the inverse of minimum sync period. o Merge ncr53c9x.c from NetBSD: 1.116: NCRDMA_SETUP() should be called before NCR_SET_COUNT() and NCRCMD_DMA command in ncr53c9x_select(). 1.125: free allocated resources on detach. o Static'ize ncr53c9x_action(), ncr53c9x_init() and ncr53c9x_reset() as these are not required outside of ncr53c9x.c. o In ncr53c9x_attach() don't leak the device mutex in case attaching fails. o Register an asynchronous notification handler so in case cam(4) reports a lost device we can cancel outstanding commands and restore the default parameters for the target in question. o For FAS366 correctly support 16-bit target IDs and let it know that we use 32-bit transfers. o Overhaul the negotiation of transfer settings. This includes distinguishing between current and goal transfer settings of the target so we can renegotiate their goal settings when necessary and correcting the order in which tagged, wide and synchronous transfers are negotiated. o If we are requesting sense, force a renegotiation if we are currently using anything different from asynchronous at 8 bit as the target might have lost our transfer negotiations. o In case of an XPT_RESET_BUS just directly call ncr53c9x_init() instead of issuing a NCRCMD_RSTSCSI, which in turn will issue an interrupt that is treated as an unexpected SCSI bus reset by ncr53c9x_intr() and thus calls ncr53c9x_init(). Remove the now no longer used ncr53c9x_scsi_reset(). o Correct an off-by-one error when setting cpi->max_lun. o In replace printf(9) with device_printf(9) calls where appropriate and in ncr53c9x_action() remove some unnecessarily verbose messages. o In ncr53c9x_sched() use TAILQ_FOREACH() instead of reimplementing it and consolidate two tagging-related target info checks into one. o In ncr53c9x_done() set the CAM status to CAM_SCSI_STATUS_ERROR when appropriate, respect CAM_DIS_AUTOSENSE and teach it to return SCSI status information. o In ncr53c9x_dequeue() ensure the tags are cleared. o Use ulmin() instead of min() where appropriate. o In ncr53c9x_msgout() consistently use the reset label. o When we're interrupted during a data phase and the DMA engine is still active, don't panic but reset the core and the DMA engine as this should be sufficient. Also, the typical problem for triggering this was the lack of renegotiation when requesting sense. o Correctly handle DEVICE RESETs. o Adapt the locking of esp(4) to MPSAFE cam(4). This includes moving the calls of lsi64854_attach() to the bus front-ends so it can pass the esp(4) mutex to bus_dma_tag_create(9). o Change the LSI64854 driver to not create a DMA tag and map for the Ethernet channel as le(4) will handle these on its own as well as sync and unload the DMA maps for the SCSI and parallel port channel after a DMA transfer. o Cam(4)'ify some NetBSD-centric comments. o Use bus_{read,write}_*(9) instead of bus_space_{read,write}_*(9) and take advantage of rman_get_rid(9) in order to save some softc members. Reviewed by: scottl MFC after: 1 month
2008-09-08 20:20:44 +00:00
i = 0;
Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
lesc->sc_rres = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
o Move the MODULE_DEPEND() for cam(4) from the esp_sbus.c front-end to the ncr53c9x.c core where it actually belongs so future front-ends don't need to add it. o Use the correct OFW property when looking for the initiator ID of the SBus device. o Don't specify an alignment when creating the parent DMA tag for SUNW,fas; their DMA engine doesn't require an alignment constraint and it's no inherited by the child DMA tags anyway (which probably is a bug though). o Drop the superfluous sc_maxsync and use sc_minsync instead. The former apparently was added due to a confusion with the maximum frequency used in cam(4), which basically corresponds to the inverse of minimum sync period. o Merge ncr53c9x.c from NetBSD: 1.116: NCRDMA_SETUP() should be called before NCR_SET_COUNT() and NCRCMD_DMA command in ncr53c9x_select(). 1.125: free allocated resources on detach. o Static'ize ncr53c9x_action(), ncr53c9x_init() and ncr53c9x_reset() as these are not required outside of ncr53c9x.c. o In ncr53c9x_attach() don't leak the device mutex in case attaching fails. o Register an asynchronous notification handler so in case cam(4) reports a lost device we can cancel outstanding commands and restore the default parameters for the target in question. o For FAS366 correctly support 16-bit target IDs and let it know that we use 32-bit transfers. o Overhaul the negotiation of transfer settings. This includes distinguishing between current and goal transfer settings of the target so we can renegotiate their goal settings when necessary and correcting the order in which tagged, wide and synchronous transfers are negotiated. o If we are requesting sense, force a renegotiation if we are currently using anything different from asynchronous at 8 bit as the target might have lost our transfer negotiations. o In case of an XPT_RESET_BUS just directly call ncr53c9x_init() instead of issuing a NCRCMD_RSTSCSI, which in turn will issue an interrupt that is treated as an unexpected SCSI bus reset by ncr53c9x_intr() and thus calls ncr53c9x_init(). Remove the now no longer used ncr53c9x_scsi_reset(). o Correct an off-by-one error when setting cpi->max_lun. o In replace printf(9) with device_printf(9) calls where appropriate and in ncr53c9x_action() remove some unnecessarily verbose messages. o In ncr53c9x_sched() use TAILQ_FOREACH() instead of reimplementing it and consolidate two tagging-related target info checks into one. o In ncr53c9x_done() set the CAM status to CAM_SCSI_STATUS_ERROR when appropriate, respect CAM_DIS_AUTOSENSE and teach it to return SCSI status information. o In ncr53c9x_dequeue() ensure the tags are cleared. o Use ulmin() instead of min() where appropriate. o In ncr53c9x_msgout() consistently use the reset label. o When we're interrupted during a data phase and the DMA engine is still active, don't panic but reset the core and the DMA engine as this should be sufficient. Also, the typical problem for triggering this was the lack of renegotiation when requesting sense. o Correctly handle DEVICE RESETs. o Adapt the locking of esp(4) to MPSAFE cam(4). This includes moving the calls of lsi64854_attach() to the bus front-ends so it can pass the esp(4) mutex to bus_dma_tag_create(9). o Change the LSI64854 driver to not create a DMA tag and map for the Ethernet channel as le(4) will handle these on its own as well as sync and unload the DMA maps for the SCSI and parallel port channel after a DMA transfer. o Cam(4)'ify some NetBSD-centric comments. o Use bus_{read,write}_*(9) instead of bus_space_{read,write}_*(9) and take advantage of rman_get_rid(9) in order to save some softc members. Reviewed by: scottl MFC after: 1 month
2008-09-08 20:20:44 +00:00
&i, RF_ACTIVE);
Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
if (lesc->sc_rres == NULL) {
device_printf(dev, "cannot allocate registers\n");
error = ENXIO;
goto fail_mtx;
}
o Move the MODULE_DEPEND() for cam(4) from the esp_sbus.c front-end to the ncr53c9x.c core where it actually belongs so future front-ends don't need to add it. o Use the correct OFW property when looking for the initiator ID of the SBus device. o Don't specify an alignment when creating the parent DMA tag for SUNW,fas; their DMA engine doesn't require an alignment constraint and it's no inherited by the child DMA tags anyway (which probably is a bug though). o Drop the superfluous sc_maxsync and use sc_minsync instead. The former apparently was added due to a confusion with the maximum frequency used in cam(4), which basically corresponds to the inverse of minimum sync period. o Merge ncr53c9x.c from NetBSD: 1.116: NCRDMA_SETUP() should be called before NCR_SET_COUNT() and NCRCMD_DMA command in ncr53c9x_select(). 1.125: free allocated resources on detach. o Static'ize ncr53c9x_action(), ncr53c9x_init() and ncr53c9x_reset() as these are not required outside of ncr53c9x.c. o In ncr53c9x_attach() don't leak the device mutex in case attaching fails. o Register an asynchronous notification handler so in case cam(4) reports a lost device we can cancel outstanding commands and restore the default parameters for the target in question. o For FAS366 correctly support 16-bit target IDs and let it know that we use 32-bit transfers. o Overhaul the negotiation of transfer settings. This includes distinguishing between current and goal transfer settings of the target so we can renegotiate their goal settings when necessary and correcting the order in which tagged, wide and synchronous transfers are negotiated. o If we are requesting sense, force a renegotiation if we are currently using anything different from asynchronous at 8 bit as the target might have lost our transfer negotiations. o In case of an XPT_RESET_BUS just directly call ncr53c9x_init() instead of issuing a NCRCMD_RSTSCSI, which in turn will issue an interrupt that is treated as an unexpected SCSI bus reset by ncr53c9x_intr() and thus calls ncr53c9x_init(). Remove the now no longer used ncr53c9x_scsi_reset(). o Correct an off-by-one error when setting cpi->max_lun. o In replace printf(9) with device_printf(9) calls where appropriate and in ncr53c9x_action() remove some unnecessarily verbose messages. o In ncr53c9x_sched() use TAILQ_FOREACH() instead of reimplementing it and consolidate two tagging-related target info checks into one. o In ncr53c9x_done() set the CAM status to CAM_SCSI_STATUS_ERROR when appropriate, respect CAM_DIS_AUTOSENSE and teach it to return SCSI status information. o In ncr53c9x_dequeue() ensure the tags are cleared. o Use ulmin() instead of min() where appropriate. o In ncr53c9x_msgout() consistently use the reset label. o When we're interrupted during a data phase and the DMA engine is still active, don't panic but reset the core and the DMA engine as this should be sufficient. Also, the typical problem for triggering this was the lack of renegotiation when requesting sense. o Correctly handle DEVICE RESETs. o Adapt the locking of esp(4) to MPSAFE cam(4). This includes moving the calls of lsi64854_attach() to the bus front-ends so it can pass the esp(4) mutex to bus_dma_tag_create(9). o Change the LSI64854 driver to not create a DMA tag and map for the Ethernet channel as le(4) will handle these on its own as well as sync and unload the DMA maps for the SCSI and parallel port channel after a DMA transfer. o Cam(4)'ify some NetBSD-centric comments. o Use bus_{read,write}_*(9) instead of bus_space_{read,write}_*(9) and take advantage of rman_get_rid(9) in order to save some softc members. Reviewed by: scottl MFC after: 1 month
2008-09-08 20:20:44 +00:00
i = 0;
Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
if ((lesc->sc_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ,
o Move the MODULE_DEPEND() for cam(4) from the esp_sbus.c front-end to the ncr53c9x.c core where it actually belongs so future front-ends don't need to add it. o Use the correct OFW property when looking for the initiator ID of the SBus device. o Don't specify an alignment when creating the parent DMA tag for SUNW,fas; their DMA engine doesn't require an alignment constraint and it's no inherited by the child DMA tags anyway (which probably is a bug though). o Drop the superfluous sc_maxsync and use sc_minsync instead. The former apparently was added due to a confusion with the maximum frequency used in cam(4), which basically corresponds to the inverse of minimum sync period. o Merge ncr53c9x.c from NetBSD: 1.116: NCRDMA_SETUP() should be called before NCR_SET_COUNT() and NCRCMD_DMA command in ncr53c9x_select(). 1.125: free allocated resources on detach. o Static'ize ncr53c9x_action(), ncr53c9x_init() and ncr53c9x_reset() as these are not required outside of ncr53c9x.c. o In ncr53c9x_attach() don't leak the device mutex in case attaching fails. o Register an asynchronous notification handler so in case cam(4) reports a lost device we can cancel outstanding commands and restore the default parameters for the target in question. o For FAS366 correctly support 16-bit target IDs and let it know that we use 32-bit transfers. o Overhaul the negotiation of transfer settings. This includes distinguishing between current and goal transfer settings of the target so we can renegotiate their goal settings when necessary and correcting the order in which tagged, wide and synchronous transfers are negotiated. o If we are requesting sense, force a renegotiation if we are currently using anything different from asynchronous at 8 bit as the target might have lost our transfer negotiations. o In case of an XPT_RESET_BUS just directly call ncr53c9x_init() instead of issuing a NCRCMD_RSTSCSI, which in turn will issue an interrupt that is treated as an unexpected SCSI bus reset by ncr53c9x_intr() and thus calls ncr53c9x_init(). Remove the now no longer used ncr53c9x_scsi_reset(). o Correct an off-by-one error when setting cpi->max_lun. o In replace printf(9) with device_printf(9) calls where appropriate and in ncr53c9x_action() remove some unnecessarily verbose messages. o In ncr53c9x_sched() use TAILQ_FOREACH() instead of reimplementing it and consolidate two tagging-related target info checks into one. o In ncr53c9x_done() set the CAM status to CAM_SCSI_STATUS_ERROR when appropriate, respect CAM_DIS_AUTOSENSE and teach it to return SCSI status information. o In ncr53c9x_dequeue() ensure the tags are cleared. o Use ulmin() instead of min() where appropriate. o In ncr53c9x_msgout() consistently use the reset label. o When we're interrupted during a data phase and the DMA engine is still active, don't panic but reset the core and the DMA engine as this should be sufficient. Also, the typical problem for triggering this was the lack of renegotiation when requesting sense. o Correctly handle DEVICE RESETs. o Adapt the locking of esp(4) to MPSAFE cam(4). This includes moving the calls of lsi64854_attach() to the bus front-ends so it can pass the esp(4) mutex to bus_dma_tag_create(9). o Change the LSI64854 driver to not create a DMA tag and map for the Ethernet channel as le(4) will handle these on its own as well as sync and unload the DMA maps for the SCSI and parallel port channel after a DMA transfer. o Cam(4)'ify some NetBSD-centric comments. o Use bus_{read,write}_*(9) instead of bus_space_{read,write}_*(9) and take advantage of rman_get_rid(9) in order to save some softc members. Reviewed by: scottl MFC after: 1 month
2008-09-08 20:20:44 +00:00
&i, RF_SHAREABLE | RF_ACTIVE)) == NULL) {
Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
device_printf(dev, "cannot allocate interrupt\n");
error = ENXIO;
goto fail_rres;
}
o Move the MODULE_DEPEND() for cam(4) from the esp_sbus.c front-end to the ncr53c9x.c core where it actually belongs so future front-ends don't need to add it. o Use the correct OFW property when looking for the initiator ID of the SBus device. o Don't specify an alignment when creating the parent DMA tag for SUNW,fas; their DMA engine doesn't require an alignment constraint and it's no inherited by the child DMA tags anyway (which probably is a bug though). o Drop the superfluous sc_maxsync and use sc_minsync instead. The former apparently was added due to a confusion with the maximum frequency used in cam(4), which basically corresponds to the inverse of minimum sync period. o Merge ncr53c9x.c from NetBSD: 1.116: NCRDMA_SETUP() should be called before NCR_SET_COUNT() and NCRCMD_DMA command in ncr53c9x_select(). 1.125: free allocated resources on detach. o Static'ize ncr53c9x_action(), ncr53c9x_init() and ncr53c9x_reset() as these are not required outside of ncr53c9x.c. o In ncr53c9x_attach() don't leak the device mutex in case attaching fails. o Register an asynchronous notification handler so in case cam(4) reports a lost device we can cancel outstanding commands and restore the default parameters for the target in question. o For FAS366 correctly support 16-bit target IDs and let it know that we use 32-bit transfers. o Overhaul the negotiation of transfer settings. This includes distinguishing between current and goal transfer settings of the target so we can renegotiate their goal settings when necessary and correcting the order in which tagged, wide and synchronous transfers are negotiated. o If we are requesting sense, force a renegotiation if we are currently using anything different from asynchronous at 8 bit as the target might have lost our transfer negotiations. o In case of an XPT_RESET_BUS just directly call ncr53c9x_init() instead of issuing a NCRCMD_RSTSCSI, which in turn will issue an interrupt that is treated as an unexpected SCSI bus reset by ncr53c9x_intr() and thus calls ncr53c9x_init(). Remove the now no longer used ncr53c9x_scsi_reset(). o Correct an off-by-one error when setting cpi->max_lun. o In replace printf(9) with device_printf(9) calls where appropriate and in ncr53c9x_action() remove some unnecessarily verbose messages. o In ncr53c9x_sched() use TAILQ_FOREACH() instead of reimplementing it and consolidate two tagging-related target info checks into one. o In ncr53c9x_done() set the CAM status to CAM_SCSI_STATUS_ERROR when appropriate, respect CAM_DIS_AUTOSENSE and teach it to return SCSI status information. o In ncr53c9x_dequeue() ensure the tags are cleared. o Use ulmin() instead of min() where appropriate. o In ncr53c9x_msgout() consistently use the reset label. o When we're interrupted during a data phase and the DMA engine is still active, don't panic but reset the core and the DMA engine as this should be sufficient. Also, the typical problem for triggering this was the lack of renegotiation when requesting sense. o Correctly handle DEVICE RESETs. o Adapt the locking of esp(4) to MPSAFE cam(4). This includes moving the calls of lsi64854_attach() to the bus front-ends so it can pass the esp(4) mutex to bus_dma_tag_create(9). o Change the LSI64854 driver to not create a DMA tag and map for the Ethernet channel as le(4) will handle these on its own as well as sync and unload the DMA maps for the SCSI and parallel port channel after a DMA transfer. o Cam(4)'ify some NetBSD-centric comments. o Use bus_{read,write}_*(9) instead of bus_space_{read,write}_*(9) and take advantage of rman_get_rid(9) in order to save some softc members. Reviewed by: scottl MFC after: 1 month
2008-09-08 20:20:44 +00:00
/* Attach the DMA engine. */
error = lsi64854_attach(dma);
if (error != 0) {
device_printf(dev, "lsi64854_attach failed\n");
goto fail_ires;
}
Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
sc->sc_memsize = LEDMA_MEMSIZE;
error = bus_dma_tag_create(
dma->sc_parent_dmat, /* parent */
- Revert if_le_pci.c rev. 1.2; although lnc(4) is now gone, le_pci_probe() still should return BUS_PROBE_LOW_PRIORITY instead of BUS_PROBE_DEFAULT in order to give pcn(4) a chance to attach in case it probes after le(4). - Rearrange the code related to RX interrupt handling so that ownership of RX descriptors is immediately returned to the NIC after we have copied the data of the hardware, allowing the NIC to already reuse the descriptor while we are processing the data in ifp->if_input(). This results in a small but measurable increase in RX throughput. As a side-effect, this moves the workaround for the LANCE revision C bug to am7900.c (still off by default as I doubt we will actually encounter such an old chip in a machine running FreeBSD) and the workaround for the bug in the VMware PCnet-PCI emulation to am79000.c, which is now also only compiled on i386 (resulting in a small increase in RX throughput on the other platforms). - Change the RX interrupt handlers so that the descriptor error bits are only check once in case there was no error instead of twice (inspired by the NetBSD pcn(4), which additionally predicts the error branch as false). - Fix the debugging output of the RX and TX interrupt handlers; while looping through the descriptors print info about the currently processed one instead of always the previously last used one; remove pointless printing of info about the RX descriptor bits after their values were reset. - Create the DMA tags used to allocate the memory for the init block, descriptors and packet buffers with the alignment the respective NIC actually requires rather than using PAGE_SIZE unconditionally. This might as well fix the alignment of the memory as it seems we do not inherit the alignment constraint from the parent DMA tag. - For the PCI variants double the number of RX descriptors and buffers from 8 to 16 as this minimizes the number of RX overflows im seeing with one NIC-mainboard combination. Nevertheless move reporting of overflows under debugging as they seem unavoidable with some crappy hardware. - Set the software style of the PCI variants to ILACC rather than PCnet-PCI as the former is was am79000.c actually implements. Should not make a difference for this driver though. - Fix the driver name part in the MODULE_DEPEND of the PCI front-end for ether. - Use different device descriptions for PCnet-Home and PCnet-PCI. - Fix some 0/NULL confusion in lance_get(). - Use bus_addr_t for sc_addr and bus_size_t for sc_memsize as these are more appropriate than u_long for these. - Remove the unused LE_DRIVER_NAME macro. - Add a comment describing why we are taking the LE_HTOLE* etc approach instead of using byteorder(9) functions directly. - Improve some comments and fix some wording. MFC after: 2 weeks
2006-05-16 21:04:01 +00:00
LEDMA_ALIGNMENT, /* alignment */
LEDMA_BOUNDARY, /* boundary */
Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
BUS_SPACE_MAXADDR, /* highaddr */
NULL, NULL, /* filter, filterarg */
sc->sc_memsize, /* maxsize */
1, /* nsegments */
sc->sc_memsize, /* maxsegsize */
Remove BUS_DMA_WAITOK from bus_dma_tag_create() invocations as it's no valid flag there.
2007-01-20 14:19:29 +00:00
0, /* flags */
Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
NULL, NULL, /* lockfunc, lockarg */
&lesc->sc_dmat);
if (error != 0) {
device_printf(dev, "cannot allocate buffer DMA tag\n");
o Move the MODULE_DEPEND() for cam(4) from the esp_sbus.c front-end to the ncr53c9x.c core where it actually belongs so future front-ends don't need to add it. o Use the correct OFW property when looking for the initiator ID of the SBus device. o Don't specify an alignment when creating the parent DMA tag for SUNW,fas; their DMA engine doesn't require an alignment constraint and it's no inherited by the child DMA tags anyway (which probably is a bug though). o Drop the superfluous sc_maxsync and use sc_minsync instead. The former apparently was added due to a confusion with the maximum frequency used in cam(4), which basically corresponds to the inverse of minimum sync period. o Merge ncr53c9x.c from NetBSD: 1.116: NCRDMA_SETUP() should be called before NCR_SET_COUNT() and NCRCMD_DMA command in ncr53c9x_select(). 1.125: free allocated resources on detach. o Static'ize ncr53c9x_action(), ncr53c9x_init() and ncr53c9x_reset() as these are not required outside of ncr53c9x.c. o In ncr53c9x_attach() don't leak the device mutex in case attaching fails. o Register an asynchronous notification handler so in case cam(4) reports a lost device we can cancel outstanding commands and restore the default parameters for the target in question. o For FAS366 correctly support 16-bit target IDs and let it know that we use 32-bit transfers. o Overhaul the negotiation of transfer settings. This includes distinguishing between current and goal transfer settings of the target so we can renegotiate their goal settings when necessary and correcting the order in which tagged, wide and synchronous transfers are negotiated. o If we are requesting sense, force a renegotiation if we are currently using anything different from asynchronous at 8 bit as the target might have lost our transfer negotiations. o In case of an XPT_RESET_BUS just directly call ncr53c9x_init() instead of issuing a NCRCMD_RSTSCSI, which in turn will issue an interrupt that is treated as an unexpected SCSI bus reset by ncr53c9x_intr() and thus calls ncr53c9x_init(). Remove the now no longer used ncr53c9x_scsi_reset(). o Correct an off-by-one error when setting cpi->max_lun. o In replace printf(9) with device_printf(9) calls where appropriate and in ncr53c9x_action() remove some unnecessarily verbose messages. o In ncr53c9x_sched() use TAILQ_FOREACH() instead of reimplementing it and consolidate two tagging-related target info checks into one. o In ncr53c9x_done() set the CAM status to CAM_SCSI_STATUS_ERROR when appropriate, respect CAM_DIS_AUTOSENSE and teach it to return SCSI status information. o In ncr53c9x_dequeue() ensure the tags are cleared. o Use ulmin() instead of min() where appropriate. o In ncr53c9x_msgout() consistently use the reset label. o When we're interrupted during a data phase and the DMA engine is still active, don't panic but reset the core and the DMA engine as this should be sufficient. Also, the typical problem for triggering this was the lack of renegotiation when requesting sense. o Correctly handle DEVICE RESETs. o Adapt the locking of esp(4) to MPSAFE cam(4). This includes moving the calls of lsi64854_attach() to the bus front-ends so it can pass the esp(4) mutex to bus_dma_tag_create(9). o Change the LSI64854 driver to not create a DMA tag and map for the Ethernet channel as le(4) will handle these on its own as well as sync and unload the DMA maps for the SCSI and parallel port channel after a DMA transfer. o Cam(4)'ify some NetBSD-centric comments. o Use bus_{read,write}_*(9) instead of bus_space_{read,write}_*(9) and take advantage of rman_get_rid(9) in order to save some softc members. Reviewed by: scottl MFC after: 1 month
2008-09-08 20:20:44 +00:00
goto fail_lsi;
Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
}
error = bus_dmamem_alloc(lesc->sc_dmat, (void **)&sc->sc_mem,
BUS_DMA_WAITOK | BUS_DMA_COHERENT, &lesc->sc_dmam);
if (error != 0) {
device_printf(dev, "cannot allocate DMA buffer memory\n");
goto fail_dtag;
}
lesc->sc_laddr = 0;
error = bus_dmamap_load(lesc->sc_dmat, lesc->sc_dmam, sc->sc_mem,
sc->sc_memsize, le_dma_dma_callback, lesc, 0);
if (error != 0 || lesc->sc_laddr == 0) {
o Move the MODULE_DEPEND() for cam(4) from the esp_sbus.c front-end to the ncr53c9x.c core where it actually belongs so future front-ends don't need to add it. o Use the correct OFW property when looking for the initiator ID of the SBus device. o Don't specify an alignment when creating the parent DMA tag for SUNW,fas; their DMA engine doesn't require an alignment constraint and it's no inherited by the child DMA tags anyway (which probably is a bug though). o Drop the superfluous sc_maxsync and use sc_minsync instead. The former apparently was added due to a confusion with the maximum frequency used in cam(4), which basically corresponds to the inverse of minimum sync period. o Merge ncr53c9x.c from NetBSD: 1.116: NCRDMA_SETUP() should be called before NCR_SET_COUNT() and NCRCMD_DMA command in ncr53c9x_select(). 1.125: free allocated resources on detach. o Static'ize ncr53c9x_action(), ncr53c9x_init() and ncr53c9x_reset() as these are not required outside of ncr53c9x.c. o In ncr53c9x_attach() don't leak the device mutex in case attaching fails. o Register an asynchronous notification handler so in case cam(4) reports a lost device we can cancel outstanding commands and restore the default parameters for the target in question. o For FAS366 correctly support 16-bit target IDs and let it know that we use 32-bit transfers. o Overhaul the negotiation of transfer settings. This includes distinguishing between current and goal transfer settings of the target so we can renegotiate their goal settings when necessary and correcting the order in which tagged, wide and synchronous transfers are negotiated. o If we are requesting sense, force a renegotiation if we are currently using anything different from asynchronous at 8 bit as the target might have lost our transfer negotiations. o In case of an XPT_RESET_BUS just directly call ncr53c9x_init() instead of issuing a NCRCMD_RSTSCSI, which in turn will issue an interrupt that is treated as an unexpected SCSI bus reset by ncr53c9x_intr() and thus calls ncr53c9x_init(). Remove the now no longer used ncr53c9x_scsi_reset(). o Correct an off-by-one error when setting cpi->max_lun. o In replace printf(9) with device_printf(9) calls where appropriate and in ncr53c9x_action() remove some unnecessarily verbose messages. o In ncr53c9x_sched() use TAILQ_FOREACH() instead of reimplementing it and consolidate two tagging-related target info checks into one. o In ncr53c9x_done() set the CAM status to CAM_SCSI_STATUS_ERROR when appropriate, respect CAM_DIS_AUTOSENSE and teach it to return SCSI status information. o In ncr53c9x_dequeue() ensure the tags are cleared. o Use ulmin() instead of min() where appropriate. o In ncr53c9x_msgout() consistently use the reset label. o When we're interrupted during a data phase and the DMA engine is still active, don't panic but reset the core and the DMA engine as this should be sufficient. Also, the typical problem for triggering this was the lack of renegotiation when requesting sense. o Correctly handle DEVICE RESETs. o Adapt the locking of esp(4) to MPSAFE cam(4). This includes moving the calls of lsi64854_attach() to the bus front-ends so it can pass the esp(4) mutex to bus_dma_tag_create(9). o Change the LSI64854 driver to not create a DMA tag and map for the Ethernet channel as le(4) will handle these on its own as well as sync and unload the DMA maps for the SCSI and parallel port channel after a DMA transfer. o Cam(4)'ify some NetBSD-centric comments. o Use bus_{read,write}_*(9) instead of bus_space_{read,write}_*(9) and take advantage of rman_get_rid(9) in order to save some softc members. Reviewed by: scottl MFC after: 1 month
2008-09-08 20:20:44 +00:00
device_printf(dev, "cannot load DMA buffer map\n");
Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
goto fail_dmem;
}
sc->sc_addr = lesc->sc_laddr & 0xffffff;
sc->sc_flags = 0;
sc->sc_conf3 = LE_C3_BSWP | LE_C3_ACON | LE_C3_BCON;
sc->sc_mediachange = le_dma_supmediachange;
sc->sc_mediastatus = le_dma_supmediastatus;
sc->sc_supmedia = le_dma_supmedia;
sc->sc_nsupmedia = sizeof(le_dma_supmedia) / sizeof(le_dma_supmedia[0]);
sc->sc_defaultmedia = le_dma_supmedia[0];
OF_getetheraddr(dev, sc->sc_enaddr);
sc->sc_copytodesc = lance_copytobuf_contig;
sc->sc_copyfromdesc = lance_copyfrombuf_contig;
sc->sc_copytobuf = lance_copytobuf_contig;
sc->sc_copyfrombuf = lance_copyfrombuf_contig;
sc->sc_zerobuf = lance_zerobuf_contig;
sc->sc_rdcsr = le_dma_rdcsr;
sc->sc_wrcsr = le_dma_wrcsr;
sc->sc_hwreset = le_dma_hwreset;
sc->sc_hwintr = le_dma_hwintr;
- Revert if_le_pci.c rev. 1.2; although lnc(4) is now gone, le_pci_probe() still should return BUS_PROBE_LOW_PRIORITY instead of BUS_PROBE_DEFAULT in order to give pcn(4) a chance to attach in case it probes after le(4). - Rearrange the code related to RX interrupt handling so that ownership of RX descriptors is immediately returned to the NIC after we have copied the data of the hardware, allowing the NIC to already reuse the descriptor while we are processing the data in ifp->if_input(). This results in a small but measurable increase in RX throughput. As a side-effect, this moves the workaround for the LANCE revision C bug to am7900.c (still off by default as I doubt we will actually encounter such an old chip in a machine running FreeBSD) and the workaround for the bug in the VMware PCnet-PCI emulation to am79000.c, which is now also only compiled on i386 (resulting in a small increase in RX throughput on the other platforms). - Change the RX interrupt handlers so that the descriptor error bits are only check once in case there was no error instead of twice (inspired by the NetBSD pcn(4), which additionally predicts the error branch as false). - Fix the debugging output of the RX and TX interrupt handlers; while looping through the descriptors print info about the currently processed one instead of always the previously last used one; remove pointless printing of info about the RX descriptor bits after their values were reset. - Create the DMA tags used to allocate the memory for the init block, descriptors and packet buffers with the alignment the respective NIC actually requires rather than using PAGE_SIZE unconditionally. This might as well fix the alignment of the memory as it seems we do not inherit the alignment constraint from the parent DMA tag. - For the PCI variants double the number of RX descriptors and buffers from 8 to 16 as this minimizes the number of RX overflows im seeing with one NIC-mainboard combination. Nevertheless move reporting of overflows under debugging as they seem unavoidable with some crappy hardware. - Set the software style of the PCI variants to ILACC rather than PCnet-PCI as the former is was am79000.c actually implements. Should not make a difference for this driver though. - Fix the driver name part in the MODULE_DEPEND of the PCI front-end for ether. - Use different device descriptions for PCnet-Home and PCnet-PCI. - Fix some 0/NULL confusion in lance_get(). - Use bus_addr_t for sc_addr and bus_size_t for sc_memsize as these are more appropriate than u_long for these. - Remove the unused LE_DRIVER_NAME macro. - Add a comment describing why we are taking the LE_HTOLE* etc approach instead of using byteorder(9) functions directly. - Improve some comments and fix some wording. MFC after: 2 weeks
2006-05-16 21:04:01 +00:00
sc->sc_nocarrier = le_dma_nocarrier;
Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
error = am7990_config(&lesc->sc_am7990, device_get_name(dev),
device_get_unit(dev));
if (error != 0) {
- Revert if_le_pci.c rev. 1.2; although lnc(4) is now gone, le_pci_probe() still should return BUS_PROBE_LOW_PRIORITY instead of BUS_PROBE_DEFAULT in order to give pcn(4) a chance to attach in case it probes after le(4). - Rearrange the code related to RX interrupt handling so that ownership of RX descriptors is immediately returned to the NIC after we have copied the data of the hardware, allowing the NIC to already reuse the descriptor while we are processing the data in ifp->if_input(). This results in a small but measurable increase in RX throughput. As a side-effect, this moves the workaround for the LANCE revision C bug to am7900.c (still off by default as I doubt we will actually encounter such an old chip in a machine running FreeBSD) and the workaround for the bug in the VMware PCnet-PCI emulation to am79000.c, which is now also only compiled on i386 (resulting in a small increase in RX throughput on the other platforms). - Change the RX interrupt handlers so that the descriptor error bits are only check once in case there was no error instead of twice (inspired by the NetBSD pcn(4), which additionally predicts the error branch as false). - Fix the debugging output of the RX and TX interrupt handlers; while looping through the descriptors print info about the currently processed one instead of always the previously last used one; remove pointless printing of info about the RX descriptor bits after their values were reset. - Create the DMA tags used to allocate the memory for the init block, descriptors and packet buffers with the alignment the respective NIC actually requires rather than using PAGE_SIZE unconditionally. This might as well fix the alignment of the memory as it seems we do not inherit the alignment constraint from the parent DMA tag. - For the PCI variants double the number of RX descriptors and buffers from 8 to 16 as this minimizes the number of RX overflows im seeing with one NIC-mainboard combination. Nevertheless move reporting of overflows under debugging as they seem unavoidable with some crappy hardware. - Set the software style of the PCI variants to ILACC rather than PCnet-PCI as the former is was am79000.c actually implements. Should not make a difference for this driver though. - Fix the driver name part in the MODULE_DEPEND of the PCI front-end for ether. - Use different device descriptions for PCnet-Home and PCnet-PCI. - Fix some 0/NULL confusion in lance_get(). - Use bus_addr_t for sc_addr and bus_size_t for sc_memsize as these are more appropriate than u_long for these. - Remove the unused LE_DRIVER_NAME macro. - Add a comment describing why we are taking the LE_HTOLE* etc approach instead of using byteorder(9) functions directly. - Improve some comments and fix some wording. MFC after: 2 weeks
2006-05-16 21:04:01 +00:00
device_printf(dev, "cannot attach Am7990\n");
Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
goto fail_dmap;
}
error = bus_setup_intr(dev, lesc->sc_ires, INTR_TYPE_NET | INTR_MPSAFE,
o break newbus api: add a new argument of type driver_filter_t to bus_setup_intr() o add an int return code to all fast handlers o retire INTR_FAST/IH_FAST For more info: http://docs.freebsd.org/cgi/getmsg.cgi?fetch=465712+0+current/freebsd-current Reviewed by: many Approved by: re@
2007-02-23 12:19:07 +00:00
NULL, am7990_intr, sc, &lesc->sc_ih);
Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
if (error != 0) {
device_printf(dev, "cannot set up interrupt\n");
goto fail_am7990;
}
return (0);
fail_am7990:
am7990_detach(&lesc->sc_am7990);
fail_dmap:
bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
fail_dmem:
bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
fail_dtag:
bus_dma_tag_destroy(lesc->sc_dmat);
o Move the MODULE_DEPEND() for cam(4) from the esp_sbus.c front-end to the ncr53c9x.c core where it actually belongs so future front-ends don't need to add it. o Use the correct OFW property when looking for the initiator ID of the SBus device. o Don't specify an alignment when creating the parent DMA tag for SUNW,fas; their DMA engine doesn't require an alignment constraint and it's no inherited by the child DMA tags anyway (which probably is a bug though). o Drop the superfluous sc_maxsync and use sc_minsync instead. The former apparently was added due to a confusion with the maximum frequency used in cam(4), which basically corresponds to the inverse of minimum sync period. o Merge ncr53c9x.c from NetBSD: 1.116: NCRDMA_SETUP() should be called before NCR_SET_COUNT() and NCRCMD_DMA command in ncr53c9x_select(). 1.125: free allocated resources on detach. o Static'ize ncr53c9x_action(), ncr53c9x_init() and ncr53c9x_reset() as these are not required outside of ncr53c9x.c. o In ncr53c9x_attach() don't leak the device mutex in case attaching fails. o Register an asynchronous notification handler so in case cam(4) reports a lost device we can cancel outstanding commands and restore the default parameters for the target in question. o For FAS366 correctly support 16-bit target IDs and let it know that we use 32-bit transfers. o Overhaul the negotiation of transfer settings. This includes distinguishing between current and goal transfer settings of the target so we can renegotiate their goal settings when necessary and correcting the order in which tagged, wide and synchronous transfers are negotiated. o If we are requesting sense, force a renegotiation if we are currently using anything different from asynchronous at 8 bit as the target might have lost our transfer negotiations. o In case of an XPT_RESET_BUS just directly call ncr53c9x_init() instead of issuing a NCRCMD_RSTSCSI, which in turn will issue an interrupt that is treated as an unexpected SCSI bus reset by ncr53c9x_intr() and thus calls ncr53c9x_init(). Remove the now no longer used ncr53c9x_scsi_reset(). o Correct an off-by-one error when setting cpi->max_lun. o In replace printf(9) with device_printf(9) calls where appropriate and in ncr53c9x_action() remove some unnecessarily verbose messages. o In ncr53c9x_sched() use TAILQ_FOREACH() instead of reimplementing it and consolidate two tagging-related target info checks into one. o In ncr53c9x_done() set the CAM status to CAM_SCSI_STATUS_ERROR when appropriate, respect CAM_DIS_AUTOSENSE and teach it to return SCSI status information. o In ncr53c9x_dequeue() ensure the tags are cleared. o Use ulmin() instead of min() where appropriate. o In ncr53c9x_msgout() consistently use the reset label. o When we're interrupted during a data phase and the DMA engine is still active, don't panic but reset the core and the DMA engine as this should be sufficient. Also, the typical problem for triggering this was the lack of renegotiation when requesting sense. o Correctly handle DEVICE RESETs. o Adapt the locking of esp(4) to MPSAFE cam(4). This includes moving the calls of lsi64854_attach() to the bus front-ends so it can pass the esp(4) mutex to bus_dma_tag_create(9). o Change the LSI64854 driver to not create a DMA tag and map for the Ethernet channel as le(4) will handle these on its own as well as sync and unload the DMA maps for the SCSI and parallel port channel after a DMA transfer. o Cam(4)'ify some NetBSD-centric comments. o Use bus_{read,write}_*(9) instead of bus_space_{read,write}_*(9) and take advantage of rman_get_rid(9) in order to save some softc members. Reviewed by: scottl MFC after: 1 month
2008-09-08 20:20:44 +00:00
fail_lsi:
lsi64854_detach(dma);
Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
fail_ires:
o Move the MODULE_DEPEND() for cam(4) from the esp_sbus.c front-end to the ncr53c9x.c core where it actually belongs so future front-ends don't need to add it. o Use the correct OFW property when looking for the initiator ID of the SBus device. o Don't specify an alignment when creating the parent DMA tag for SUNW,fas; their DMA engine doesn't require an alignment constraint and it's no inherited by the child DMA tags anyway (which probably is a bug though). o Drop the superfluous sc_maxsync and use sc_minsync instead. The former apparently was added due to a confusion with the maximum frequency used in cam(4), which basically corresponds to the inverse of minimum sync period. o Merge ncr53c9x.c from NetBSD: 1.116: NCRDMA_SETUP() should be called before NCR_SET_COUNT() and NCRCMD_DMA command in ncr53c9x_select(). 1.125: free allocated resources on detach. o Static'ize ncr53c9x_action(), ncr53c9x_init() and ncr53c9x_reset() as these are not required outside of ncr53c9x.c. o In ncr53c9x_attach() don't leak the device mutex in case attaching fails. o Register an asynchronous notification handler so in case cam(4) reports a lost device we can cancel outstanding commands and restore the default parameters for the target in question. o For FAS366 correctly support 16-bit target IDs and let it know that we use 32-bit transfers. o Overhaul the negotiation of transfer settings. This includes distinguishing between current and goal transfer settings of the target so we can renegotiate their goal settings when necessary and correcting the order in which tagged, wide and synchronous transfers are negotiated. o If we are requesting sense, force a renegotiation if we are currently using anything different from asynchronous at 8 bit as the target might have lost our transfer negotiations. o In case of an XPT_RESET_BUS just directly call ncr53c9x_init() instead of issuing a NCRCMD_RSTSCSI, which in turn will issue an interrupt that is treated as an unexpected SCSI bus reset by ncr53c9x_intr() and thus calls ncr53c9x_init(). Remove the now no longer used ncr53c9x_scsi_reset(). o Correct an off-by-one error when setting cpi->max_lun. o In replace printf(9) with device_printf(9) calls where appropriate and in ncr53c9x_action() remove some unnecessarily verbose messages. o In ncr53c9x_sched() use TAILQ_FOREACH() instead of reimplementing it and consolidate two tagging-related target info checks into one. o In ncr53c9x_done() set the CAM status to CAM_SCSI_STATUS_ERROR when appropriate, respect CAM_DIS_AUTOSENSE and teach it to return SCSI status information. o In ncr53c9x_dequeue() ensure the tags are cleared. o Use ulmin() instead of min() where appropriate. o In ncr53c9x_msgout() consistently use the reset label. o When we're interrupted during a data phase and the DMA engine is still active, don't panic but reset the core and the DMA engine as this should be sufficient. Also, the typical problem for triggering this was the lack of renegotiation when requesting sense. o Correctly handle DEVICE RESETs. o Adapt the locking of esp(4) to MPSAFE cam(4). This includes moving the calls of lsi64854_attach() to the bus front-ends so it can pass the esp(4) mutex to bus_dma_tag_create(9). o Change the LSI64854 driver to not create a DMA tag and map for the Ethernet channel as le(4) will handle these on its own as well as sync and unload the DMA maps for the SCSI and parallel port channel after a DMA transfer. o Cam(4)'ify some NetBSD-centric comments. o Use bus_{read,write}_*(9) instead of bus_space_{read,write}_*(9) and take advantage of rman_get_rid(9) in order to save some softc members. Reviewed by: scottl MFC after: 1 month
2008-09-08 20:20:44 +00:00
bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(lesc->sc_ires),
lesc->sc_ires);
Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
fail_rres:
o Move the MODULE_DEPEND() for cam(4) from the esp_sbus.c front-end to the ncr53c9x.c core where it actually belongs so future front-ends don't need to add it. o Use the correct OFW property when looking for the initiator ID of the SBus device. o Don't specify an alignment when creating the parent DMA tag for SUNW,fas; their DMA engine doesn't require an alignment constraint and it's no inherited by the child DMA tags anyway (which probably is a bug though). o Drop the superfluous sc_maxsync and use sc_minsync instead. The former apparently was added due to a confusion with the maximum frequency used in cam(4), which basically corresponds to the inverse of minimum sync period. o Merge ncr53c9x.c from NetBSD: 1.116: NCRDMA_SETUP() should be called before NCR_SET_COUNT() and NCRCMD_DMA command in ncr53c9x_select(). 1.125: free allocated resources on detach. o Static'ize ncr53c9x_action(), ncr53c9x_init() and ncr53c9x_reset() as these are not required outside of ncr53c9x.c. o In ncr53c9x_attach() don't leak the device mutex in case attaching fails. o Register an asynchronous notification handler so in case cam(4) reports a lost device we can cancel outstanding commands and restore the default parameters for the target in question. o For FAS366 correctly support 16-bit target IDs and let it know that we use 32-bit transfers. o Overhaul the negotiation of transfer settings. This includes distinguishing between current and goal transfer settings of the target so we can renegotiate their goal settings when necessary and correcting the order in which tagged, wide and synchronous transfers are negotiated. o If we are requesting sense, force a renegotiation if we are currently using anything different from asynchronous at 8 bit as the target might have lost our transfer negotiations. o In case of an XPT_RESET_BUS just directly call ncr53c9x_init() instead of issuing a NCRCMD_RSTSCSI, which in turn will issue an interrupt that is treated as an unexpected SCSI bus reset by ncr53c9x_intr() and thus calls ncr53c9x_init(). Remove the now no longer used ncr53c9x_scsi_reset(). o Correct an off-by-one error when setting cpi->max_lun. o In replace printf(9) with device_printf(9) calls where appropriate and in ncr53c9x_action() remove some unnecessarily verbose messages. o In ncr53c9x_sched() use TAILQ_FOREACH() instead of reimplementing it and consolidate two tagging-related target info checks into one. o In ncr53c9x_done() set the CAM status to CAM_SCSI_STATUS_ERROR when appropriate, respect CAM_DIS_AUTOSENSE and teach it to return SCSI status information. o In ncr53c9x_dequeue() ensure the tags are cleared. o Use ulmin() instead of min() where appropriate. o In ncr53c9x_msgout() consistently use the reset label. o When we're interrupted during a data phase and the DMA engine is still active, don't panic but reset the core and the DMA engine as this should be sufficient. Also, the typical problem for triggering this was the lack of renegotiation when requesting sense. o Correctly handle DEVICE RESETs. o Adapt the locking of esp(4) to MPSAFE cam(4). This includes moving the calls of lsi64854_attach() to the bus front-ends so it can pass the esp(4) mutex to bus_dma_tag_create(9). o Change the LSI64854 driver to not create a DMA tag and map for the Ethernet channel as le(4) will handle these on its own as well as sync and unload the DMA maps for the SCSI and parallel port channel after a DMA transfer. o Cam(4)'ify some NetBSD-centric comments. o Use bus_{read,write}_*(9) instead of bus_space_{read,write}_*(9) and take advantage of rman_get_rid(9) in order to save some softc members. Reviewed by: scottl MFC after: 1 month
2008-09-08 20:20:44 +00:00
bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(lesc->sc_rres),
lesc->sc_rres);
Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
fail_mtx:
LE_LOCK_DESTROY(sc);
return (error);
}
static int
le_dma_detach(device_t dev)
{
struct le_dma_softc *lesc;
struct lance_softc *sc;
o Move the MODULE_DEPEND() for cam(4) from the esp_sbus.c front-end to the ncr53c9x.c core where it actually belongs so future front-ends don't need to add it. o Use the correct OFW property when looking for the initiator ID of the SBus device. o Don't specify an alignment when creating the parent DMA tag for SUNW,fas; their DMA engine doesn't require an alignment constraint and it's no inherited by the child DMA tags anyway (which probably is a bug though). o Drop the superfluous sc_maxsync and use sc_minsync instead. The former apparently was added due to a confusion with the maximum frequency used in cam(4), which basically corresponds to the inverse of minimum sync period. o Merge ncr53c9x.c from NetBSD: 1.116: NCRDMA_SETUP() should be called before NCR_SET_COUNT() and NCRCMD_DMA command in ncr53c9x_select(). 1.125: free allocated resources on detach. o Static'ize ncr53c9x_action(), ncr53c9x_init() and ncr53c9x_reset() as these are not required outside of ncr53c9x.c. o In ncr53c9x_attach() don't leak the device mutex in case attaching fails. o Register an asynchronous notification handler so in case cam(4) reports a lost device we can cancel outstanding commands and restore the default parameters for the target in question. o For FAS366 correctly support 16-bit target IDs and let it know that we use 32-bit transfers. o Overhaul the negotiation of transfer settings. This includes distinguishing between current and goal transfer settings of the target so we can renegotiate their goal settings when necessary and correcting the order in which tagged, wide and synchronous transfers are negotiated. o If we are requesting sense, force a renegotiation if we are currently using anything different from asynchronous at 8 bit as the target might have lost our transfer negotiations. o In case of an XPT_RESET_BUS just directly call ncr53c9x_init() instead of issuing a NCRCMD_RSTSCSI, which in turn will issue an interrupt that is treated as an unexpected SCSI bus reset by ncr53c9x_intr() and thus calls ncr53c9x_init(). Remove the now no longer used ncr53c9x_scsi_reset(). o Correct an off-by-one error when setting cpi->max_lun. o In replace printf(9) with device_printf(9) calls where appropriate and in ncr53c9x_action() remove some unnecessarily verbose messages. o In ncr53c9x_sched() use TAILQ_FOREACH() instead of reimplementing it and consolidate two tagging-related target info checks into one. o In ncr53c9x_done() set the CAM status to CAM_SCSI_STATUS_ERROR when appropriate, respect CAM_DIS_AUTOSENSE and teach it to return SCSI status information. o In ncr53c9x_dequeue() ensure the tags are cleared. o Use ulmin() instead of min() where appropriate. o In ncr53c9x_msgout() consistently use the reset label. o When we're interrupted during a data phase and the DMA engine is still active, don't panic but reset the core and the DMA engine as this should be sufficient. Also, the typical problem for triggering this was the lack of renegotiation when requesting sense. o Correctly handle DEVICE RESETs. o Adapt the locking of esp(4) to MPSAFE cam(4). This includes moving the calls of lsi64854_attach() to the bus front-ends so it can pass the esp(4) mutex to bus_dma_tag_create(9). o Change the LSI64854 driver to not create a DMA tag and map for the Ethernet channel as le(4) will handle these on its own as well as sync and unload the DMA maps for the SCSI and parallel port channel after a DMA transfer. o Cam(4)'ify some NetBSD-centric comments. o Use bus_{read,write}_*(9) instead of bus_space_{read,write}_*(9) and take advantage of rman_get_rid(9) in order to save some softc members. Reviewed by: scottl MFC after: 1 month
2008-09-08 20:20:44 +00:00
int error;
Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
lesc = device_get_softc(dev);
sc = &lesc->sc_am7990.lsc;
bus_teardown_intr(dev, lesc->sc_ires, lesc->sc_ih);
am7990_detach(&lesc->sc_am7990);
bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
bus_dma_tag_destroy(lesc->sc_dmat);
o Move the MODULE_DEPEND() for cam(4) from the esp_sbus.c front-end to the ncr53c9x.c core where it actually belongs so future front-ends don't need to add it. o Use the correct OFW property when looking for the initiator ID of the SBus device. o Don't specify an alignment when creating the parent DMA tag for SUNW,fas; their DMA engine doesn't require an alignment constraint and it's no inherited by the child DMA tags anyway (which probably is a bug though). o Drop the superfluous sc_maxsync and use sc_minsync instead. The former apparently was added due to a confusion with the maximum frequency used in cam(4), which basically corresponds to the inverse of minimum sync period. o Merge ncr53c9x.c from NetBSD: 1.116: NCRDMA_SETUP() should be called before NCR_SET_COUNT() and NCRCMD_DMA command in ncr53c9x_select(). 1.125: free allocated resources on detach. o Static'ize ncr53c9x_action(), ncr53c9x_init() and ncr53c9x_reset() as these are not required outside of ncr53c9x.c. o In ncr53c9x_attach() don't leak the device mutex in case attaching fails. o Register an asynchronous notification handler so in case cam(4) reports a lost device we can cancel outstanding commands and restore the default parameters for the target in question. o For FAS366 correctly support 16-bit target IDs and let it know that we use 32-bit transfers. o Overhaul the negotiation of transfer settings. This includes distinguishing between current and goal transfer settings of the target so we can renegotiate their goal settings when necessary and correcting the order in which tagged, wide and synchronous transfers are negotiated. o If we are requesting sense, force a renegotiation if we are currently using anything different from asynchronous at 8 bit as the target might have lost our transfer negotiations. o In case of an XPT_RESET_BUS just directly call ncr53c9x_init() instead of issuing a NCRCMD_RSTSCSI, which in turn will issue an interrupt that is treated as an unexpected SCSI bus reset by ncr53c9x_intr() and thus calls ncr53c9x_init(). Remove the now no longer used ncr53c9x_scsi_reset(). o Correct an off-by-one error when setting cpi->max_lun. o In replace printf(9) with device_printf(9) calls where appropriate and in ncr53c9x_action() remove some unnecessarily verbose messages. o In ncr53c9x_sched() use TAILQ_FOREACH() instead of reimplementing it and consolidate two tagging-related target info checks into one. o In ncr53c9x_done() set the CAM status to CAM_SCSI_STATUS_ERROR when appropriate, respect CAM_DIS_AUTOSENSE and teach it to return SCSI status information. o In ncr53c9x_dequeue() ensure the tags are cleared. o Use ulmin() instead of min() where appropriate. o In ncr53c9x_msgout() consistently use the reset label. o When we're interrupted during a data phase and the DMA engine is still active, don't panic but reset the core and the DMA engine as this should be sufficient. Also, the typical problem for triggering this was the lack of renegotiation when requesting sense. o Correctly handle DEVICE RESETs. o Adapt the locking of esp(4) to MPSAFE cam(4). This includes moving the calls of lsi64854_attach() to the bus front-ends so it can pass the esp(4) mutex to bus_dma_tag_create(9). o Change the LSI64854 driver to not create a DMA tag and map for the Ethernet channel as le(4) will handle these on its own as well as sync and unload the DMA maps for the SCSI and parallel port channel after a DMA transfer. o Cam(4)'ify some NetBSD-centric comments. o Use bus_{read,write}_*(9) instead of bus_space_{read,write}_*(9) and take advantage of rman_get_rid(9) in order to save some softc members. Reviewed by: scottl MFC after: 1 month
2008-09-08 20:20:44 +00:00
error = lsi64854_detach(lesc->sc_dma);
if (error != 0)
return (error);
bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(lesc->sc_ires),
lesc->sc_ires);
bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(lesc->sc_rres),
lesc->sc_rres);
Add le(4), a driver for AMD Am7900 LANCE and Am79C9xx PCnet NICs ported from NetBSD. This driver actually can replace lnc(4). Advantages over lnc(4) are: - Cleaner and more flexible regarding MD needs. - Endian-clean and MPSAFE. - Supports ALTQ, VLAN_MTU, ifmedia. - Uses 32bit DMA for the PCI variants. This commit includes front-ends for the dma(4) pseudo-bus found on SBus- based sparc64 machines (thus supports the on-board LANCE in Sun Ultra 1) and PCI. In order to actually replace lnc(4), the front-ends for ISA and the PC98 CBUS would have to be added but for which I don't have hardware to test. Reviewed and some improvements by: yongari Tested on: i386, sparc64
2006-01-31 14:48:58 +00:00
LE_LOCK_DESTROY(sc);
return (0);
}
static int
le_dma_suspend(device_t dev)
{
struct le_dma_softc *lesc;
lesc = device_get_softc(dev);
lance_suspend(&lesc->sc_am7990.lsc);
return (0);
}
static int
le_dma_resume(device_t dev)
{
struct le_dma_softc *lesc;
lesc = device_get_softc(dev);
lance_resume(&lesc->sc_am7990.lsc);
return (0);
}
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