| Current Path : /sys/dev/oce/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //sys/dev/oce/oce_hw.c |
/*-
* Copyright (C) 2012 Emulex
* All rights reserved.
*
* 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.
*
* 3. Neither the name of the Emulex Corporation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
*
* Contact Information:
* freebsd-drivers@emulex.com
*
* Emulex
* 3333 Susan Street
* Costa Mesa, CA 92626
*/
/* $FreeBSD: release/9.1.0/sys/dev/oce/oce_hw.c 233398 2012-03-23 21:19:07Z jhb $ */
#include "oce_if.h"
static int oce_POST(POCE_SOFTC sc);
/**
* @brief Function to post status
* @param sc software handle to the device
*/
static int
oce_POST(POCE_SOFTC sc)
{
mpu_ep_semaphore_t post_status;
int tmo = 60000;
/* read semaphore CSR */
post_status.dw0 = OCE_READ_REG32(sc, csr, MPU_EP_SEMAPHORE(sc));
/* if host is ready then wait for fw ready else send POST */
if (post_status.bits.stage <= POST_STAGE_AWAITING_HOST_RDY) {
post_status.bits.stage = POST_STAGE_CHIP_RESET;
OCE_WRITE_REG32(sc, csr, MPU_EP_SEMAPHORE(sc), post_status.dw0);
}
/* wait for FW ready */
for (;;) {
if (--tmo == 0)
break;
DELAY(1000);
post_status.dw0 = OCE_READ_REG32(sc, csr, MPU_EP_SEMAPHORE(sc));
if (post_status.bits.error) {
device_printf(sc->dev,
"POST failed: %x\n", post_status.dw0);
return ENXIO;
}
if (post_status.bits.stage == POST_STAGE_ARMFW_READY)
return 0;
}
device_printf(sc->dev, "POST timed out: %x\n", post_status.dw0);
return ENXIO;
}
/**
* @brief Function for hardware initialization
* @param sc software handle to the device
*/
int
oce_hw_init(POCE_SOFTC sc)
{
int rc = 0;
rc = oce_POST(sc);
if (rc)
return rc;
/* create the bootstrap mailbox */
rc = oce_dma_alloc(sc, sizeof(struct oce_bmbx), &sc->bsmbx, 0);
if (rc) {
device_printf(sc->dev, "Mailbox alloc failed\n");
return rc;
}
rc = oce_reset_fun(sc);
if (rc)
goto error;
rc = oce_mbox_init(sc);
if (rc)
goto error;
rc = oce_get_fw_version(sc);
if (rc)
goto error;
rc = oce_get_fw_config(sc);
if (rc)
goto error;
sc->macaddr.size_of_struct = 6;
rc = oce_read_mac_addr(sc, 0, 1, MAC_ADDRESS_TYPE_NETWORK,
&sc->macaddr);
if (rc)
goto error;
if (IS_BE(sc) && (sc->flags & OCE_FLAGS_BE3)) {
rc = oce_mbox_check_native_mode(sc);
if (rc)
goto error;
} else
sc->be3_native = 0;
return rc;
error:
oce_dma_free(sc, &sc->bsmbx);
device_printf(sc->dev, "Hardware initialisation failed\n");
return rc;
}
/**
* @brief Releases the obtained pci resources
* @param sc software handle to the device
*/
void
oce_hw_pci_free(POCE_SOFTC sc)
{
int pci_cfg_barnum = 0;
if (IS_BE(sc) && (sc->flags & OCE_FLAGS_BE2))
pci_cfg_barnum = OCE_DEV_BE2_CFG_BAR;
else
pci_cfg_barnum = OCE_DEV_CFG_BAR;
if (sc->devcfg_res != NULL) {
bus_release_resource(sc->dev,
SYS_RES_MEMORY,
PCIR_BAR(pci_cfg_barnum), sc->devcfg_res);
sc->devcfg_res = (struct resource *)NULL;
sc->devcfg_btag = (bus_space_tag_t) 0;
sc->devcfg_bhandle = (bus_space_handle_t)0;
sc->devcfg_vhandle = (void *)NULL;
}
if (sc->csr_res != NULL) {
bus_release_resource(sc->dev,
SYS_RES_MEMORY,
PCIR_BAR(OCE_PCI_CSR_BAR), sc->csr_res);
sc->csr_res = (struct resource *)NULL;
sc->csr_btag = (bus_space_tag_t)0;
sc->csr_bhandle = (bus_space_handle_t)0;
sc->csr_vhandle = (void *)NULL;
}
if (sc->db_res != NULL) {
bus_release_resource(sc->dev,
SYS_RES_MEMORY,
PCIR_BAR(OCE_PCI_DB_BAR), sc->db_res);
sc->db_res = (struct resource *)NULL;
sc->db_btag = (bus_space_tag_t)0;
sc->db_bhandle = (bus_space_handle_t)0;
sc->db_vhandle = (void *)NULL;
}
}
/**
* @brief Function to get the PCI capabilities
* @param sc software handle to the device
*/
static
void oce_get_pci_capabilities(POCE_SOFTC sc)
{
uint32_t val;
if (pci_find_cap(sc->dev, PCIY_PCIX, &val) == 0) {
if (val != 0)
sc->flags |= OCE_FLAGS_PCIX;
}
if (pci_find_cap(sc->dev, PCIY_EXPRESS, &val) == 0) {
if (val != 0) {
uint16_t link_status =
pci_read_config(sc->dev, val + 0x12, 2);
sc->flags |= OCE_FLAGS_PCIE;
sc->pcie_link_speed = link_status & 0xf;
sc->pcie_link_width = (link_status >> 4) & 0x3f;
}
}
if (pci_find_cap(sc->dev, PCIY_MSI, &val) == 0) {
if (val != 0)
sc->flags |= OCE_FLAGS_MSI_CAPABLE;
}
if (pci_find_cap(sc->dev, PCIY_MSIX, &val) == 0) {
if (val != 0) {
val = pci_msix_count(sc->dev);
sc->flags |= OCE_FLAGS_MSIX_CAPABLE;
}
}
}
/**
* @brief Allocate PCI resources.
*
* @param sc software handle to the device
* @returns 0 if successful, or error
*/
int
oce_hw_pci_alloc(POCE_SOFTC sc)
{
int rr, pci_cfg_barnum = 0;
pci_sli_intf_t intf;
pci_enable_busmaster(sc->dev);
oce_get_pci_capabilities(sc);
sc->fn = pci_get_function(sc->dev);
/* setup the device config region */
if (IS_BE(sc) && (sc->flags & OCE_FLAGS_BE2))
pci_cfg_barnum = OCE_DEV_BE2_CFG_BAR;
else
pci_cfg_barnum = OCE_DEV_CFG_BAR;
rr = PCIR_BAR(pci_cfg_barnum);
if (IS_BE(sc))
sc->devcfg_res = bus_alloc_resource_any(sc->dev,
SYS_RES_MEMORY, &rr,
RF_ACTIVE|RF_SHAREABLE);
else
sc->devcfg_res = bus_alloc_resource(sc->dev,
SYS_RES_MEMORY, &rr,
0ul, ~0ul, 32768,
RF_ACTIVE|RF_SHAREABLE);
if (!sc->devcfg_res)
goto error;
sc->devcfg_btag = rman_get_bustag(sc->devcfg_res);
sc->devcfg_bhandle = rman_get_bushandle(sc->devcfg_res);
sc->devcfg_vhandle = rman_get_virtual(sc->devcfg_res);
/* Read the SLI_INTF register and determine whether we
* can use this port and its features
*/
intf.dw0 = pci_read_config((sc)->dev,OCE_INTF_REG_OFFSET,4);
if (intf.bits.sli_valid != OCE_INTF_VALID_SIG)
goto error;
if (intf.bits.sli_rev != OCE_INTF_SLI_REV4) {
device_printf(sc->dev, "Adapter doesnt support SLI4\n");
goto error;
}
if (intf.bits.sli_if_type == OCE_INTF_IF_TYPE_1)
sc->flags |= OCE_FLAGS_MBOX_ENDIAN_RQD;
if (intf.bits.sli_hint1 == OCE_INTF_FUNC_RESET_REQD)
sc->flags |= OCE_FLAGS_FUNCRESET_RQD;
if (intf.bits.sli_func_type == OCE_INTF_VIRT_FUNC)
sc->flags |= OCE_FLAGS_VIRTUAL_PORT;
/* Lancer has one BAR (CFG) but BE3 has three (CFG, CSR, DB) */
if (IS_BE(sc)) {
/* set up CSR region */
rr = PCIR_BAR(OCE_PCI_CSR_BAR);
sc->csr_res = bus_alloc_resource_any(sc->dev,
SYS_RES_MEMORY, &rr, RF_ACTIVE|RF_SHAREABLE);
if (!sc->csr_res)
goto error;
sc->csr_btag = rman_get_bustag(sc->csr_res);
sc->csr_bhandle = rman_get_bushandle(sc->csr_res);
sc->csr_vhandle = rman_get_virtual(sc->csr_res);
/* set up DB doorbell region */
rr = PCIR_BAR(OCE_PCI_DB_BAR);
sc->db_res = bus_alloc_resource_any(sc->dev,
SYS_RES_MEMORY, &rr, RF_ACTIVE|RF_SHAREABLE);
if (!sc->db_res)
goto error;
sc->db_btag = rman_get_bustag(sc->db_res);
sc->db_bhandle = rman_get_bushandle(sc->db_res);
sc->db_vhandle = rman_get_virtual(sc->db_res);
}
return 0;
error:
oce_hw_pci_free(sc);
return ENXIO;
}
/**
* @brief Function for device shutdown
* @param sc software handle to the device
* @returns 0 on success, error otherwise
*/
void
oce_hw_shutdown(POCE_SOFTC sc)
{
oce_stats_free(sc);
/* disable hardware interrupts */
oce_hw_intr_disable(sc);
/* Free LRO resources */
oce_free_lro(sc);
/* Release queue*/
oce_queue_release_all(sc);
/*Delete Network Interface*/
oce_delete_nw_interface(sc);
/* After fw clean we dont send any cmds to fw.*/
oce_fw_clean(sc);
/* release intr resources */
oce_intr_free(sc);
/* release PCI resources */
oce_hw_pci_free(sc);
/* free mbox specific resources */
LOCK_DESTROY(&sc->bmbx_lock);
LOCK_DESTROY(&sc->dev_lock);
oce_dma_free(sc, &sc->bsmbx);
}
/**
* @brief Function for creating nw interface.
* @param sc software handle to the device
* @returns 0 on success, error otherwise
*/
int
oce_create_nw_interface(POCE_SOFTC sc)
{
int rc;
uint32_t capab_flags;
uint32_t capab_en_flags;
/* interface capabilities to give device when creating interface */
capab_flags = OCE_CAPAB_FLAGS;
/* capabilities to enable by default (others set dynamically) */
capab_en_flags = OCE_CAPAB_ENABLE;
if (IS_XE201(sc)) {
/* LANCER A0 workaround */
capab_en_flags &= ~MBX_RX_IFACE_FLAGS_PASS_L3L4_ERR;
capab_flags &= ~MBX_RX_IFACE_FLAGS_PASS_L3L4_ERR;
}
/* enable capabilities controlled via driver startup parameters */
if (sc->rss_enable)
capab_en_flags |= MBX_RX_IFACE_FLAGS_RSS;
else {
capab_en_flags &= ~MBX_RX_IFACE_FLAGS_RSS;
capab_flags &= ~MBX_RX_IFACE_FLAGS_RSS;
}
rc = oce_if_create(sc,
capab_flags,
capab_en_flags,
0, &sc->macaddr.mac_addr[0], &sc->if_id);
if (rc)
return rc;
atomic_inc_32(&sc->nifs);
sc->if_cap_flags = capab_en_flags;
/* Enable VLAN Promisc on HW */
rc = oce_config_vlan(sc, (uint8_t) sc->if_id, NULL, 0, 1, 1);
if (rc)
goto error;
/* set default flow control */
rc = oce_set_flow_control(sc, sc->flow_control);
if (rc)
goto error;
rc = oce_rxf_set_promiscuous(sc, sc->promisc);
if (rc)
goto error;
return rc;
error:
oce_delete_nw_interface(sc);
return rc;
}
/**
* @brief Function to delete a nw interface.
* @param sc software handle to the device
*/
void
oce_delete_nw_interface(POCE_SOFTC sc)
{
/* currently only single interface is implmeneted */
if (sc->nifs > 0) {
oce_if_del(sc, sc->if_id);
atomic_dec_32(&sc->nifs);
}
}
/**
* @brief Soft reset.
* @param sc software handle to the device
* @returns 0 on success, error otherwise
*/
int
oce_pci_soft_reset(POCE_SOFTC sc)
{
int rc;
mpu_ep_control_t ctrl;
ctrl.dw0 = OCE_READ_REG32(sc, csr, MPU_EP_CONTROL);
ctrl.bits.cpu_reset = 1;
OCE_WRITE_REG32(sc, csr, MPU_EP_CONTROL, ctrl.dw0);
DELAY(50);
rc=oce_POST(sc);
return rc;
}
/**
* @brief Function for hardware start
* @param sc software handle to the device
* @returns 0 on success, error otherwise
*/
int
oce_hw_start(POCE_SOFTC sc)
{
struct link_status link = { 0 };
int rc = 0;
rc = oce_get_link_status(sc, &link);
if (rc)
return 1;
if (link.logical_link_status == NTWK_LOGICAL_LINK_UP) {
sc->ifp->if_drv_flags |= IFF_DRV_RUNNING;
sc->link_status = NTWK_LOGICAL_LINK_UP;
if_link_state_change(sc->ifp, LINK_STATE_UP);
} else {
sc->ifp->if_drv_flags &=
~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
sc->link_status = NTWK_LOGICAL_LINK_DOWN;
if_link_state_change(sc->ifp, LINK_STATE_DOWN);
}
if (link.mac_speed > 0 && link.mac_speed < 5)
sc->link_speed = link.mac_speed;
else
sc->link_speed = 0;
sc->qos_link_speed = (uint32_t )link.qos_link_speed * 10;
rc = oce_start_mq(sc->mq);
/* we need to get MCC aync events.
So enable intrs and also arm first EQ
*/
oce_hw_intr_enable(sc);
oce_arm_eq(sc, sc->eq[0]->eq_id, 0, TRUE, FALSE);
return rc;
}
/**
* @brief Function for hardware enable interupts.
* @param sc software handle to the device
*/
void
oce_hw_intr_enable(POCE_SOFTC sc)
{
uint32_t reg;
reg = OCE_READ_REG32(sc, devcfg, PCICFG_INTR_CTRL);
reg |= HOSTINTR_MASK;
OCE_WRITE_REG32(sc, devcfg, PCICFG_INTR_CTRL, reg);
}
/**
* @brief Function for hardware disable interupts
* @param sc software handle to the device
*/
void
oce_hw_intr_disable(POCE_SOFTC sc)
{
uint32_t reg;
reg = OCE_READ_REG32(sc, devcfg, PCICFG_INTR_CTRL);
reg &= ~HOSTINTR_MASK;
OCE_WRITE_REG32(sc, devcfg, PCICFG_INTR_CTRL, reg);
}
/**
* @brief Function for hardware update multicast filter
* @param sc software handle to the device
*/
int
oce_hw_update_multicast(POCE_SOFTC sc)
{
struct ifnet *ifp = sc->ifp;
struct ifmultiaddr *ifma;
struct mbx_set_common_iface_multicast *req = NULL;
OCE_DMA_MEM dma;
int rc = 0;
/* Allocate DMA mem*/
if (oce_dma_alloc(sc, sizeof(struct mbx_set_common_iface_multicast),
&dma, 0))
return ENOMEM;
req = OCE_DMAPTR(&dma, struct mbx_set_common_iface_multicast);
bzero(req, sizeof(struct mbx_set_common_iface_multicast));
#if __FreeBSD_version > 800000
if_maddr_rlock(ifp);
#endif
TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
if (ifma->ifma_addr->sa_family != AF_LINK)
continue;
if (req->params.req.num_mac == OCE_MAX_MC_FILTER_SIZE) {
/*More multicast addresses than our hardware table
So Enable multicast promiscus in our hardware to
accept all multicat packets
*/
req->params.req.promiscuous = 1;
break;
}
bcopy(LLADDR((struct sockaddr_dl *)ifma->ifma_addr),
&req->params.req.mac[req->params.req.num_mac],
ETH_ADDR_LEN);
req->params.req.num_mac = req->params.req.num_mac + 1;
}
#if __FreeBSD_version > 800000
if_maddr_runlock(ifp);
#endif
req->params.req.if_id = sc->if_id;
rc = oce_update_multicast(sc, &dma);
oce_dma_free(sc, &dma);
return rc;
}