diff options
Diffstat (limited to 'qemu/roms/ipxe/src/drivers/net/vxge/vxge_main.c')
| -rw-r--r-- | qemu/roms/ipxe/src/drivers/net/vxge/vxge_main.c | 718 |
1 files changed, 0 insertions, 718 deletions
diff --git a/qemu/roms/ipxe/src/drivers/net/vxge/vxge_main.c b/qemu/roms/ipxe/src/drivers/net/vxge/vxge_main.c deleted file mode 100644 index 8b099c0e2..000000000 --- a/qemu/roms/ipxe/src/drivers/net/vxge/vxge_main.c +++ /dev/null @@ -1,718 +0,0 @@ -/* - * vxge-main.c: iPXE driver for Neterion Inc's X3100 Series 10GbE - * PCIe I/O Virtualized Server Adapter. - * - * Copyright(c) 2002-2010 Neterion Inc. - * - * This software may be used and distributed according to the terms of - * the GNU General Public License (GPL), incorporated herein by - * reference. Drivers based on or derived from this code fall under - * the GPL and must retain the authorship, copyright and license - * notice. - * - */ - -FILE_LICENCE(GPL2_ONLY); - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <ipxe/io.h> -#include <errno.h> -#include <byteswap.h> -#include <ipxe/pci.h> -#include <ipxe/malloc.h> -#include <ipxe/if_ether.h> -#include <ipxe/ethernet.h> -#include <ipxe/iobuf.h> -#include <ipxe/netdevice.h> -#include <ipxe/timer.h> -#include <nic.h> - -#include "vxge_main.h" -#include "vxge_reg.h" - -/* function modes strings */ -static char *vxge_func_mode_names[] = { - "Single Function - 1 func, 17 vpath", - "Multi Function 8 - 8 func, 2 vpath per func", - "SRIOV 17 - 17 VF, 1 vpath per VF", - "WLPEX/SharedIO 17 - 17 VH, 1 vpath/func/hierarchy", - "WLPEX/SharedIO 8 - 8 VH, 2 vpath/func/hierarchy", - "Multi Function 17 - 17 func, 1 vpath per func", - "SRIOV 8 - 1 PF, 7 VF, 2 vpath per VF", - "SRIOV 4 - 1 PF, 3 VF, 4 vpath per VF", - "Multi Function 2 - 2 func, 8 vpath per func", - "Multi Function 4 - 4 func, 4 vpath per func", - "WLPEX/SharedIO 4 - 17 func, 1 vpath per func (PCIe ARI)", - "Multi Function 8 - For ESX DirectIO - 8 func, 2 vpath per func", -}; - -static inline int is_vxge_card_up(struct vxgedev *vdev) -{ - return test_bit(__VXGE_STATE_CARD_UP, vdev->state); -} - -/* - * vxge_xmit_compl - * - * If an interrupt was raised to indicate DMA complete of the Tx packet, - * this function is called. It identifies the last TxD whose buffer was - * freed and frees all skbs whose data have already DMA'ed into the NICs - * internal memory. - */ -enum vxge_hw_status -vxge_xmit_compl(struct __vxge_hw_fifo *fifo_hw, - struct vxge_hw_fifo_txd *txdp, enum vxge_hw_fifo_tcode tcode) -{ - struct net_device *netdev; - struct io_buffer *tx_iob = NULL; - - vxge_trace(); - - netdev = fifo_hw->vpathh->hldev->ndev; - - tx_iob = (struct io_buffer *)(intptr_t)txdp->host_control; - - if (tcode == VXGE_HW_FIFO_T_CODE_OK) { - netdev_tx_complete(netdev, tx_iob); - } else { - netdev_tx_complete_err(netdev, tx_iob, -EINVAL); - vxge_debug(VXGE_ERR, "%s: transmit failed, tcode %d\n", - netdev->name, tcode); - } - - memset(txdp, 0, sizeof(struct vxge_hw_fifo_txd)); - - return VXGE_HW_OK; -} - -/* reset vpaths */ -enum vxge_hw_status vxge_reset_all_vpaths(struct vxgedev *vdev) -{ - enum vxge_hw_status status = VXGE_HW_OK; - struct __vxge_hw_virtualpath *vpath; - - vxge_trace(); - - vpath = vdev->vpath.vpathh; - - if (vpath) { - if ((status = vxge_hw_vpath_reset(vpath)) == VXGE_HW_OK) { - if (is_vxge_card_up(vdev) && - (status = vxge_hw_vpath_recover_from_reset( - vpath)) != VXGE_HW_OK) { - vxge_debug(VXGE_ERR, "vxge_hw_vpath_recover_" - "from_reset failed\n"); - return status; - } else { - status = __vxge_hw_vpath_reset_check(vpath); - if (status != VXGE_HW_OK) { - vxge_debug(VXGE_ERR, - "__vxge_hw_vpath_reset_check error\n"); - return status; - } - } - } else { - vxge_debug(VXGE_ERR, "vxge_hw_vpath_reset failed\n"); - return status; - } - } - return status; -} - -/* close vpaths */ -void vxge_close_vpaths(struct vxgedev *vdev) -{ - - if (vdev->vpath.vpathh && vdev->vpath.is_open) - vxge_hw_vpath_close(vdev->vpath.vpathh); - - vdev->vpath.is_open = 0; - vdev->vpath.vpathh = NULL; -} - -/* open vpaths */ -int vxge_open_vpaths(struct vxgedev *vdev) -{ - enum vxge_hw_status status; - struct __vxge_hw_device *hldev; - - hldev = (struct __vxge_hw_device *)pci_get_drvdata(vdev->pdev); - - vdev->vpath.vpathh = &hldev->virtual_path; - vdev->vpath.fifo.ndev = vdev->ndev; - vdev->vpath.fifo.pdev = vdev->pdev; - vdev->vpath.fifo.fifoh = &hldev->virtual_path.fifoh; - vdev->vpath.ring.ndev = vdev->ndev; - vdev->vpath.ring.pdev = vdev->pdev; - vdev->vpath.ring.ringh = &hldev->virtual_path.ringh; - - status = vxge_hw_vpath_open(vdev->devh, &vdev->vpath); - if (status == VXGE_HW_OK) { - vdev->vpath.is_open = 1; - } else { - vxge_debug(VXGE_ERR, - "%s: vpath: %d failed to open " - "with status: %d\n", - vdev->ndev->name, vdev->vpath.device_id, - status); - vxge_close_vpaths(vdev); - return status; - } - - hldev->vpaths_deployed |= vxge_mBIT(vdev->vpath.vpathh->vp_id); - - return VXGE_HW_OK; -} - -/** Functions that implement the iPXE driver API **/ - -/** - * vxge_xmit - * @skb : the socket buffer containing the Tx data. - * @dev : device pointer. - * - * This function is the Tx entry point of the driver. Neterion NIC supports - * certain protocol assist features on Tx side, namely CSO, S/G, LSO. - */ -static int -vxge_xmit(struct net_device *dev, struct io_buffer *iobuf) -{ - struct vxge_fifo *fifo = NULL; - struct vxgedev *vdev = NULL; - struct __vxge_hw_fifo *fifoh; - struct vxge_hw_fifo_txd *txdp; - - vxge_trace(); - - vdev = (struct vxgedev *)netdev_priv(dev); - - if (!is_vxge_card_up(vdev)) { - vxge_debug(VXGE_ERR, - "%s: vdev not initialized\n", dev->name); - return -EIO; - } - - if (!netdev_link_ok(dev)) { - vxge_debug(VXGE_ERR, - "%s: Link down, transmit failed\n", dev->name); - return -ENETDOWN; - } - - fifo = &vdev->vpath.fifo; - fifoh = fifo->fifoh; - - txdp = vxge_hw_fifo_free_txdl_get(fifoh); - if (!txdp) { - vxge_debug(VXGE_ERR, - "%s: Out of tx descriptors\n", dev->name); - return -ENOBUFS; - } - - vxge_debug(VXGE_XMIT, "%s: %s:%d fifoh offset= %d\n", - dev->name, __func__, __LINE__, fifoh->sw_offset); - - vxge_hw_fifo_txdl_buffer_set(fifoh, txdp, iobuf); - - vxge_hw_fifo_txdl_post(fifoh, txdp); - - return 0; -} - -/* - * vxge_poll - * @ndev: net device pointer - * - * This function acks the interrupt. It polls for rx packets - * and send to upper layer. It also checks for tx completion - * and frees iobs. - */ -static void vxge_poll(struct net_device *ndev) -{ - struct __vxge_hw_device *hldev; - struct vxgedev *vdev; - - vxge_debug(VXGE_POLL, "%s:%d \n", __func__, __LINE__); - - vdev = (struct vxgedev *)netdev_priv(ndev); - hldev = (struct __vxge_hw_device *)pci_get_drvdata(vdev->pdev); - - if (!is_vxge_card_up(vdev)) - return; - - /* process alarm and acknowledge the interrupts */ - vxge_hw_device_begin_irq(hldev); - - vxge_hw_vpath_poll_tx(&hldev->virtual_path.fifoh); - - vxge_hw_vpath_poll_rx(&hldev->virtual_path.ringh); -} - -/* - * vxge_irq - enable or Disable interrupts - * - * @netdev netdevice structure reference - * @action requested interrupt action - */ -static void vxge_irq(struct net_device *netdev __unused, int action) -{ - struct __vxge_hw_device *hldev; - struct vxgedev *vdev; - - vxge_debug(VXGE_INFO, - "%s:%d action(%d)\n", __func__, __LINE__, action); - - vdev = (struct vxgedev *)netdev_priv(netdev); - hldev = (struct __vxge_hw_device *)pci_get_drvdata(vdev->pdev); - - switch (action) { - case DISABLE: - vxge_hw_device_mask_all(hldev); - break; - default: - vxge_hw_device_unmask_all(hldev); - break; - } -} - -/** - * vxge_open - * @dev: pointer to the device structure. - * - * This function is the open entry point of the driver. It mainly calls a - * function to allocate Rx buffers and inserts them into the buffer - * descriptors and then enables the Rx part of the NIC. - * Return value: '0' on success and an appropriate (-)ve integer as - * defined in errno.h file on failure. - */ -int -vxge_open(struct net_device *dev) -{ - enum vxge_hw_status status; - struct vxgedev *vdev; - struct __vxge_hw_device *hldev; - int ret = 0; - - vxge_debug(VXGE_INFO, "%s: %s:%d\n", - VXGE_DRIVER_NAME, __func__, __LINE__); - - vdev = (struct vxgedev *)netdev_priv(dev); - hldev = (struct __vxge_hw_device *)pci_get_drvdata(vdev->pdev); - - /* make sure you have link off by default every time Nic is - * initialized */ - netdev_link_down(dev); - - /* Open VPATHs */ - status = vxge_open_vpaths(vdev); - if (status != VXGE_HW_OK) { - vxge_debug(VXGE_ERR, "%s: fatal: Vpath open failed\n", - VXGE_DRIVER_NAME); - ret = -EPERM; - goto out0; - } - - vdev->mtu = VXGE_HW_DEFAULT_MTU; - /* set initial mtu before enabling the device */ - status = vxge_hw_vpath_mtu_set(vdev->vpath.vpathh, vdev->mtu); - if (status != VXGE_HW_OK) { - vxge_debug(VXGE_ERR, - "%s: fatal: can not set new MTU\n", dev->name); - ret = -EPERM; - goto out2; - } - vxge_debug(VXGE_INFO, - "%s: MTU is %d\n", vdev->ndev->name, vdev->mtu); - - set_bit(__VXGE_STATE_CARD_UP, vdev->state); - - wmb(); - - if (vxge_hw_device_link_state_get(vdev->devh) == VXGE_HW_LINK_UP) { - netdev_link_up(vdev->ndev); - vxge_debug(VXGE_INFO, "%s: Link Up\n", vdev->ndev->name); - } - - vxge_hw_device_intr_enable(hldev); - - vxge_hw_vpath_enable(vdev->vpath.vpathh); - wmb(); - vxge_hw_vpath_rx_doorbell_init(vdev->vpath.vpathh); - - goto out0; - -out2: - vxge_close_vpaths(vdev); -out0: - vxge_debug(VXGE_INFO, "%s: %s:%d Exiting...\n", - dev->name, __func__, __LINE__); - return ret; -} - -/** - * vxge_close - * @dev: device pointer. - * - * This is the stop entry point of the driver. It needs to undo exactly - * whatever was done by the open entry point, thus it's usually referred to - * as the close function.Among other things this function mainly stops the - * Rx side of the NIC and frees all the Rx buffers in the Rx rings. - * Return value: '0' on success and an appropriate (-)ve integer as - * defined in errno.h file on failure. - */ -static void vxge_close(struct net_device *dev) -{ - struct vxgedev *vdev; - struct __vxge_hw_device *hldev; - - vxge_debug(VXGE_INFO, "%s: %s:%d\n", - dev->name, __func__, __LINE__); - - vdev = (struct vxgedev *)netdev_priv(dev); - hldev = (struct __vxge_hw_device *)pci_get_drvdata(vdev->pdev); - - if (!is_vxge_card_up(vdev)) - return; - - clear_bit(__VXGE_STATE_CARD_UP, vdev->state); - - vxge_hw_vpath_set_zero_rx_frm_len(hldev); - - netdev_link_down(vdev->ndev); - vxge_debug(VXGE_INFO, "%s: Link Down\n", vdev->ndev->name); - - /* Note that at this point xmit() is stopped by upper layer */ - vxge_hw_device_intr_disable(hldev); - - /* Multi function shares INTA, hence we should - * leave it in enabled state - */ - if (is_mf(hldev->hw_info.function_mode)) - vxge_hw_device_unmask_all(hldev); - - vxge_reset_all_vpaths(vdev); - - vxge_close_vpaths(vdev); - - vxge_debug(VXGE_INFO, - "%s: %s:%d Exiting...\n", dev->name, __func__, __LINE__); -} - -static struct net_device_operations vxge_operations; - -int vxge_device_register(struct __vxge_hw_device *hldev, - struct vxgedev **vdev_out) -{ - struct net_device *ndev; - struct vxgedev *vdev; - int ret = 0; - - *vdev_out = NULL; - - ndev = alloc_etherdev(sizeof(struct vxgedev)); - if (ndev == NULL) { - vxge_debug(VXGE_ERR, "%s : device allocation failed\n", - __func__); - ret = -ENODEV; - goto _out0; - } - - vxge_debug(VXGE_INFO, "%s:%d netdev registering\n", - __func__, __LINE__); - vdev = netdev_priv(ndev); - memset(vdev, 0, sizeof(struct vxgedev)); - - vdev->ndev = ndev; - vdev->devh = hldev; - vdev->pdev = hldev->pdev; - - ndev->dev = &vdev->pdev->dev; - /* Associate vxge-specific network operations operations with - * generic network device layer */ - netdev_init(ndev, &vxge_operations); - - memcpy(ndev->hw_addr, - (u8 *)hldev->hw_info.mac_addrs[hldev->first_vp_id], ETH_ALEN); - - if (register_netdev(ndev)) { - vxge_debug(VXGE_ERR, "%s : device registration failed!\n", - __func__); - ret = -ENODEV; - goto _out2; - } - - /* Leave link state as off at this point, when the link change - * interrupt comes the state will be automatically changed to - * the right state. - */ - - vxge_debug(VXGE_INFO, "%s: Ethernet device registered\n", - VXGE_DRIVER_NAME); - - *vdev_out = vdev; - - return ret; -_out2: - netdev_put(ndev); -_out0: - return ret; -} - -/* - * vxge_device_unregister - * - * This function will unregister and free network device - */ -void -vxge_device_unregister(struct __vxge_hw_device *hldev) -{ - struct net_device *ndev; - - ndev = hldev->ndev; - - unregister_netdev(ndev); - netdev_nullify(ndev); - netdev_put(ndev); - - vxge_debug(VXGE_INFO, "%s: ethernet device unregistered\n", - VXGE_DRIVER_NAME); -} - -/** - * vxge_probe - * @pdev : structure containing the PCI related information of the device. - * @id: List of PCI devices supported by the driver listed in vxge_id_table. - * Description: - * This function is called when a new PCI device gets detected and initializes - * it. - * Return value: - * returns 0 on success and negative on failure. - * - */ -static int -vxge_probe(struct pci_device *pdev) -{ - struct __vxge_hw_device *hldev; - enum vxge_hw_status status; - int ret = 0; - u64 vpath_mask = 0; - struct vxgedev *vdev; - int i; - u8 revision, titan1; - u32 function_mode; - unsigned long mmio_start, mmio_len; - void *bar0; - struct vxge_hw_device_hw_info hw_info; - struct vxge_hw_device_version *fw_version; - - vxge_debug(VXGE_INFO, "vxge_probe for device " PCI_FMT "\n", - PCI_ARGS(pdev)); - - pci_read_config_byte(pdev, PCI_REVISION, &revision); - titan1 = is_titan1(pdev->device, revision); - - mmio_start = pci_bar_start(pdev, PCI_BASE_ADDRESS_0); - mmio_len = pci_bar_size(pdev, PCI_BASE_ADDRESS_0); - vxge_debug(VXGE_INFO, "mmio_start: %#08lx, mmio_len: %#08lx\n", - mmio_start, mmio_len); - - /* sets the bus master */ - adjust_pci_device(pdev); - - bar0 = ioremap(mmio_start, mmio_len); - if (!bar0) { - vxge_debug(VXGE_ERR, - "%s : cannot remap io memory bar0\n", __func__); - ret = -ENODEV; - goto _exit0; - } - - status = vxge_hw_device_hw_info_get(pdev, bar0, &hw_info); - if (status != VXGE_HW_OK) { - vxge_debug(VXGE_ERR, - "%s: Reading of hardware info failed.\n", - VXGE_DRIVER_NAME); - ret = -EINVAL; - goto _exit1; - } - - if (hw_info.func_id != 0) { - /* Non zero function, So do not load the driver */ - iounmap(bar0); - pci_set_drvdata(pdev, NULL); - return -EINVAL; - } - - - vpath_mask = hw_info.vpath_mask; - if (vpath_mask == 0) { - vxge_debug(VXGE_ERR, - "%s: No vpaths available in device\n", - VXGE_DRIVER_NAME); - ret = -EINVAL; - goto _exit1; - } - vxge_debug(VXGE_INFO, - "%s:%d Vpath mask = %llx\n", __func__, __LINE__, - (unsigned long long)vpath_mask); - - fw_version = &hw_info.fw_version; - /* fail the driver loading if firmware is incompatible */ - if ((fw_version->major != VXGE_CERT_FW_VER_MAJOR) || - (fw_version->minor < VXGE_CERT_FW_VER_MINOR)) { - printf("%s: Adapter's current firmware version: %d.%d.%d\n", - VXGE_DRIVER_NAME, fw_version->major, - fw_version->minor, fw_version->build); - - printf("%s: Upgrade firmware to version %d.%d.%d\n", - VXGE_DRIVER_NAME, VXGE_CERT_FW_VER_MAJOR, - VXGE_CERT_FW_VER_MINOR, VXGE_CERT_FW_VER_BUILD); - - ret = -EACCES; - goto _exit1; - } - - status = vxge_hw_device_initialize(&hldev, bar0, pdev, titan1); - if (status != VXGE_HW_OK) { - vxge_debug(VXGE_ERR, - "Failed to initialize device (%d)\n", status); - ret = -EINVAL; - goto _exit1; - } - memcpy(&hldev->hw_info, &hw_info, - sizeof(struct vxge_hw_device_hw_info)); - - /* find the vpath id of the first available one */ - for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) - if (vpath_mask & vxge_mBIT(i)) { - hldev->first_vp_id = i; - break; - } - /* if FCS stripping is not disabled in MAC fail driver load */ - if (vxge_hw_vpath_strip_fcs_check(hldev, vpath_mask) != VXGE_HW_OK) { - vxge_debug(VXGE_ERR, - "%s: FCS stripping is not disabled in MAC" - " failing driver load\n", VXGE_DRIVER_NAME); - ret = -EINVAL; - goto _exit2; - } - - /* Read function mode */ - status = vxge_hw_get_func_mode(hldev, &function_mode); - if (status != VXGE_HW_OK) - goto _exit2; - - hldev->hw_info.function_mode = function_mode; - - /* set private device info */ - pci_set_drvdata(pdev, hldev); - - if (vxge_device_register(hldev, &vdev)) { - ret = -EINVAL; - goto _exit2; - } - - /* set private HW device info */ - hldev->ndev = vdev->ndev; - hldev->vdev = vdev; - hldev->pdev = pdev; - vdev->mtu = VXGE_HW_DEFAULT_MTU; - vdev->bar0 = bar0; - vdev->titan1 = titan1; - /* Virtual Path count */ - vdev->vpath.device_id = hldev->first_vp_id; - vdev->vpath.vdev = vdev; - memcpy((u8 *)vdev->vpath.macaddr, - (u8 *)hldev->hw_info.mac_addrs[hldev->first_vp_id], - ETH_ALEN); - - hldev->hw_info.serial_number[VXGE_HW_INFO_LEN - 1] = '\0'; - hldev->hw_info.product_desc[VXGE_HW_INFO_LEN - 1] = '\0'; - hldev->hw_info.part_number[VXGE_HW_INFO_LEN - 1] = '\0'; - - vxge_debug(VXGE_INFO, "%s: Neterion %s Server Adapter\n", - VXGE_DRIVER_NAME, hldev->hw_info.product_desc); - vxge_debug(VXGE_INFO, "%s: SERIAL NUMBER: %s\n", - VXGE_DRIVER_NAME, hldev->hw_info.serial_number); - vxge_debug(VXGE_INFO, "%s: PART NUMBER: %s\n", - VXGE_DRIVER_NAME, hldev->hw_info.part_number); - vxge_debug(VXGE_INFO, "%s: MAC ADDR: %s\n", - VXGE_DRIVER_NAME, eth_ntoa(vdev->vpath.macaddr)); - vxge_debug(VXGE_INFO, - "%s: Firmware version : %s Date : %s\n", VXGE_DRIVER_NAME, - hldev->hw_info.fw_version.version, - hldev->hw_info.fw_date.date); - vxge_debug(VXGE_INFO, "%s: %s Enabled\n", - VXGE_DRIVER_NAME, vxge_func_mode_names[function_mode]); - - vxge_debug(VXGE_INFO, "%s: %s:%d Probe Exiting...\n", - VXGE_DRIVER_NAME, __func__, __LINE__); - - return 0; - -_exit2: - vxge_hw_device_terminate(hldev); -_exit1: - iounmap(bar0); -_exit0: - pci_set_drvdata(pdev, NULL); - printf("%s: WARNING!! Driver loading failed!!\n", - VXGE_DRIVER_NAME); - - return ret; -} - -/** - * vxge_remove - Free the PCI device - * @pdev: structure containing the PCI related information of the device. - * Description: This function is called by the Pci subsystem to release a - * PCI device and free up all resource held up by the device. - */ -static void -vxge_remove(struct pci_device *pdev) -{ - struct __vxge_hw_device *hldev; - struct vxgedev *vdev = NULL; - struct net_device *ndev; - - vxge_debug(VXGE_INFO, - "%s:%d\n", __func__, __LINE__); - hldev = (struct __vxge_hw_device *) pci_get_drvdata(pdev); - if (hldev == NULL) - return; - - ndev = hldev->ndev; - vdev = netdev_priv(ndev); - - iounmap(vdev->bar0); - - vxge_device_unregister(hldev); - - vxge_debug(VXGE_INFO, - "%s:%d Device unregistered\n", __func__, __LINE__); - - vxge_hw_device_terminate(hldev); - pci_set_drvdata(pdev, NULL); -} - -/* vxge net device operations */ -static struct net_device_operations vxge_operations = { - .open = vxge_open, - .close = vxge_close, - .transmit = vxge_xmit, - .poll = vxge_poll, - .irq = vxge_irq, -}; - -static struct pci_device_id vxge_main_nics[] = { - /* If you change this, also adjust vxge_nics[] in vxge.c */ - PCI_ID(0x17d5, 0x5833, "vxge-x3100", "Neterion X3100 Series", 0), -}; - -struct pci_driver vxge_driver __pci_driver = { - .ids = vxge_main_nics, - .id_count = (sizeof(vxge_main_nics) / sizeof(vxge_main_nics[0])), - .probe = vxge_probe, - .remove = vxge_remove, -}; |