vnic_dev.c revision c954f8aed44686569347087a57c75c590ce2782d
15df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar/* 25df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * Copyright 2008 Cisco Systems, Inc. All rights reserved. 35df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * Copyright 2007 Nuova Systems, Inc. All rights reserved. 45df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * 55df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * This program is free software; you may redistribute it and/or modify 65df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * it under the terms of the GNU General Public License as published by 75df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * the Free Software Foundation; version 2 of the License. 85df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * 95df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 105df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 115df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 125df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 135df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 145df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 155df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 165df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * SOFTWARE. 175df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar */ 185df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 195df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include <linux/kernel.h> 205df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include <linux/errno.h> 215df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include <linux/types.h> 225df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include <linux/pci.h> 235df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include <linux/delay.h> 245df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include <linux/if_ether.h> 255a0e3ad6af8660be21ca98a971cd00f331318c05Tejun Heo#include <linux/slab.h> 265df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include "vnic_resource.h" 275df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include "vnic_devcmd.h" 285df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include "vnic_dev.h" 295df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include "vnic_stats.h" 305df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 315df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstruct vnic_res { 325df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar void __iomem *vaddr; 335df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar unsigned int count; 345df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar}; 355df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 365df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstruct vnic_dev { 375df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar void *priv; 385df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct pci_dev *pdev; 395df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct vnic_res res[RES_TYPE_MAX]; 405df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar enum vnic_dev_intr_mode intr_mode; 415df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct vnic_devcmd __iomem *devcmd; 425df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct vnic_devcmd_notify *notify; 435df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct vnic_devcmd_notify notify_copy; 445df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar dma_addr_t notify_pa; 455df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u32 *linkstatus; 465df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar dma_addr_t linkstatus_pa; 475df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct vnic_stats *stats; 485df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar dma_addr_t stats_pa; 495df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct vnic_devcmd_fw_info *fw_info; 505df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar dma_addr_t fw_info_pa; 515df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar}; 525df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 535df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#define VNIC_MAX_RES_HDR_SIZE \ 545df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar (sizeof(struct vnic_resource_header) + \ 555df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar sizeof(struct vnic_resource) * RES_TYPE_MAX) 565df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#define VNIC_RES_STRIDE 128 575df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 585df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarvoid *vnic_dev_priv(struct vnic_dev *vdev) 595df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 605df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return vdev->priv; 615df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 625df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 635df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic int vnic_dev_discover_res(struct vnic_dev *vdev, 645df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct vnic_dev_bar *bar) 655df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 665df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct vnic_resource_header __iomem *rh; 675df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct vnic_resource __iomem *r; 685df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u8 type; 695df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 705df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (bar->len < VNIC_MAX_RES_HDR_SIZE) { 715df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar printk(KERN_ERR "vNIC BAR0 res hdr length error\n"); 725df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return -EINVAL; 735df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 745df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 755df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar rh = bar->vaddr; 765df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!rh) { 775df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar printk(KERN_ERR "vNIC BAR0 res hdr not mem-mapped\n"); 785df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return -EINVAL; 795df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 805df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 815df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (ioread32(&rh->magic) != VNIC_RES_MAGIC || 825df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar ioread32(&rh->version) != VNIC_RES_VERSION) { 835df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar printk(KERN_ERR "vNIC BAR0 res magic/version error " 845df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "exp (%lx/%lx) curr (%x/%x)\n", 855df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar VNIC_RES_MAGIC, VNIC_RES_VERSION, 865df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar ioread32(&rh->magic), ioread32(&rh->version)); 875df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return -EINVAL; 885df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 895df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 905df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar r = (struct vnic_resource __iomem *)(rh + 1); 915df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 925df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar while ((type = ioread8(&r->type)) != RES_TYPE_EOL) { 935df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 945df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u8 bar_num = ioread8(&r->bar); 955df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u32 bar_offset = ioread32(&r->bar_offset); 965df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u32 count = ioread32(&r->count); 975df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u32 len; 985df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 995df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar r++; 1005df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1015df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (bar_num != 0) /* only mapping in BAR0 resources */ 1025df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar continue; 1035df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1045df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar switch (type) { 1055df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar case RES_TYPE_WQ: 1065df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar case RES_TYPE_RQ: 1075df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar case RES_TYPE_CQ: 1085df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar case RES_TYPE_INTR_CTRL: 1095df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* each count is stride bytes long */ 1105df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar len = count * VNIC_RES_STRIDE; 1115df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (len + bar_offset > bar->len) { 1125df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar printk(KERN_ERR "vNIC BAR0 resource %d " 1135df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "out-of-bounds, offset 0x%x + " 1145df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "size 0x%x > bar len 0x%lx\n", 1155df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar type, bar_offset, 1165df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar len, 1175df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar bar->len); 1185df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return -EINVAL; 1195df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 1205df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar break; 1215df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar case RES_TYPE_INTR_PBA_LEGACY: 1225df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar case RES_TYPE_DEVCMD: 1235df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar len = count; 1245df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar break; 1255df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar default: 1265df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar continue; 1275df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 1285df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1295df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vdev->res[type].count = count; 1305df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vdev->res[type].vaddr = (char __iomem *)bar->vaddr + bar_offset; 1315df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 1325df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1335df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return 0; 1345df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 1355df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1365df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarunsigned int vnic_dev_get_res_count(struct vnic_dev *vdev, 1375df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar enum vnic_res_type type) 1385df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 1395df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return vdev->res[type].count; 1405df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 1415df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1425df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarvoid __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type, 1435df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar unsigned int index) 1445df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 1455df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!vdev->res[type].vaddr) 1465df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return NULL; 1475df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1485df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar switch (type) { 1495df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar case RES_TYPE_WQ: 1505df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar case RES_TYPE_RQ: 1515df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar case RES_TYPE_CQ: 1525df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar case RES_TYPE_INTR_CTRL: 1535df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return (char __iomem *)vdev->res[type].vaddr + 1545df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar index * VNIC_RES_STRIDE; 1555df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar default: 1565df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return (char __iomem *)vdev->res[type].vaddr; 1575df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 1585df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 1595df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1605df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarunsigned int vnic_dev_desc_ring_size(struct vnic_dev_ring *ring, 1615df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar unsigned int desc_count, 1625df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar unsigned int desc_size) 1635df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 1645df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* The base address of the desc rings must be 512 byte aligned. 1655df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * Descriptor count is aligned to groups of 32 descriptors. A 1665df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * count of 0 means the maximum 4096 descriptors. Descriptor 1675df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * size is aligned to 16 bytes. 1685df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar */ 1695df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1705df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar unsigned int count_align = 32; 1715df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar unsigned int desc_align = 16; 1725df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1735df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar ring->base_align = 512; 1745df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1755df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (desc_count == 0) 1765df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar desc_count = 4096; 1775df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1785df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar ring->desc_count = ALIGN(desc_count, count_align); 1795df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1805df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar ring->desc_size = ALIGN(desc_size, desc_align); 1815df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1825df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar ring->size = ring->desc_count * ring->desc_size; 1835df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar ring->size_unaligned = ring->size + ring->base_align; 1845df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1855df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return ring->size_unaligned; 1865df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 1875df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1885df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarvoid vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring) 1895df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 1905df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar memset(ring->descs, 0, ring->size); 1915df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 1925df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1935df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarint vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring, 1945df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar unsigned int desc_count, unsigned int desc_size) 1955df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 1965df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_dev_desc_ring_size(ring, desc_count, desc_size); 1975df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1985df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar ring->descs_unaligned = pci_alloc_consistent(vdev->pdev, 1995df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar ring->size_unaligned, 2005df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar &ring->base_addr_unaligned); 2015df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2025df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!ring->descs_unaligned) { 2035df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar printk(KERN_ERR 2045df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "Failed to allocate ring (size=%d), aborting\n", 2055df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar (int)ring->size); 2065df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return -ENOMEM; 2075df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 2085df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2095df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar ring->base_addr = ALIGN(ring->base_addr_unaligned, 2105df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar ring->base_align); 2115df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar ring->descs = (u8 *)ring->descs_unaligned + 2125df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar (ring->base_addr - ring->base_addr_unaligned); 2135df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2145df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_dev_clear_desc_ring(ring); 2155df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2165df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar ring->desc_avail = ring->desc_count - 1; 2175df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2185df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return 0; 2195df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 2205df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2215df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarvoid vnic_dev_free_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring) 2225df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 2235df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (ring->descs) { 2245df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar pci_free_consistent(vdev->pdev, 2255df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar ring->size_unaligned, 2265df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar ring->descs_unaligned, 2275df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar ring->base_addr_unaligned); 2285df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar ring->descs = NULL; 2295df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 2305df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 2315df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2325df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarint vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, 2335df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u64 *a0, u64 *a1, int wait) 2345df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 2355df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct vnic_devcmd __iomem *devcmd = vdev->devcmd; 2365df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int delay; 2375df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u32 status; 2385df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int dev_cmd_err[] = { 2395df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* convert from fw's version of error.h to host's version */ 2405df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 0, /* ERR_SUCCESS */ 2415df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar EINVAL, /* ERR_EINVAL */ 2425df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar EFAULT, /* ERR_EFAULT */ 2435df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar EPERM, /* ERR_EPERM */ 2445df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar EBUSY, /* ERR_EBUSY */ 2455df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar }; 2465df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int err; 2475df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2485df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar status = ioread32(&devcmd->status); 2495df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (status & STAT_BUSY) { 2505df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar printk(KERN_ERR "Busy devcmd %d\n", _CMD_N(cmd)); 2515df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return -EBUSY; 2525df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 2535df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2545df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (_CMD_DIR(cmd) & _CMD_DIR_WRITE) { 2555df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar writeq(*a0, &devcmd->args[0]); 2565df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar writeq(*a1, &devcmd->args[1]); 2575df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar wmb(); 2585df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 2595df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2605df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar iowrite32(cmd, &devcmd->cmd); 2615df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2625df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if ((_CMD_FLAGS(cmd) & _CMD_FLAGS_NOWAIT)) 2635df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return 0; 2645df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2655df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (delay = 0; delay < wait; delay++) { 2665df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2675df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar udelay(100); 2685df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2695df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar status = ioread32(&devcmd->status); 2705df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!(status & STAT_BUSY)) { 2715df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2725df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (status & STAT_ERROR) { 2735df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = dev_cmd_err[(int)readq(&devcmd->args[0])]; 2745df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar printk(KERN_ERR "Error %d devcmd %d\n", 2755df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err, _CMD_N(cmd)); 2765df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return -err; 2775df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 2785df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2795df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (_CMD_DIR(cmd) & _CMD_DIR_READ) { 2805df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar rmb(); 2815df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar *a0 = readq(&devcmd->args[0]); 2825df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar *a1 = readq(&devcmd->args[1]); 2835df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 2845df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2855df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return 0; 2865df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 2875df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 2885df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2895df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar printk(KERN_ERR "Timedout devcmd %d\n", _CMD_N(cmd)); 2905df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return -ETIMEDOUT; 2915df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 2925df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2935df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarint vnic_dev_fw_info(struct vnic_dev *vdev, 2945df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct vnic_devcmd_fw_info **fw_info) 2955df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 2965df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u64 a0, a1 = 0; 2975df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int wait = 1000; 2985df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int err = 0; 2995df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3005df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!vdev->fw_info) { 3015df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vdev->fw_info = pci_alloc_consistent(vdev->pdev, 3025df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar sizeof(struct vnic_devcmd_fw_info), 3035df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar &vdev->fw_info_pa); 3045df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!vdev->fw_info) 3055df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return -ENOMEM; 3065df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3075df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar a0 = vdev->fw_info_pa; 3085df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3095df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* only get fw_info once and cache it */ 3105df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = vnic_dev_cmd(vdev, CMD_MCPU_FW_INFO, &a0, &a1, wait); 3115df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 3125df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3135df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar *fw_info = vdev->fw_info; 3145df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3155df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return err; 3165df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 3175df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3185df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarint vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, unsigned int size, 3195df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar void *value) 3205df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 3215df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u64 a0, a1; 3225df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int wait = 1000; 3235df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int err; 3245df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3255df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar a0 = offset; 3265df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar a1 = size; 3275df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3285df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = vnic_dev_cmd(vdev, CMD_DEV_SPEC, &a0, &a1, wait); 3295df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3305df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar switch (size) { 3315df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar case 1: 3325df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar *(u8 *)value = (u8)a0; 3335df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar break; 3345df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar case 2: 3355df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar *(u16 *)value = (u16)a0; 3365df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar break; 3375df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar case 4: 3385df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar *(u32 *)value = (u32)a0; 3395df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar break; 3405df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar case 8: 3415df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar *(u64 *)value = a0; 3425df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar break; 3435df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar default: 3445df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar BUG(); 3455df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar break; 3465df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 3475df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3485df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return err; 3495df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 3505df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3515df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarint vnic_dev_stats_clear(struct vnic_dev *vdev) 3525df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 3535df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u64 a0 = 0, a1 = 0; 3545df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int wait = 1000; 3555df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return vnic_dev_cmd(vdev, CMD_STATS_CLEAR, &a0, &a1, wait); 3565df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 3575df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3585df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarint vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats) 3595df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 3605df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u64 a0, a1; 3615df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int wait = 1000; 3625df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3635df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!vdev->stats) { 3645df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vdev->stats = pci_alloc_consistent(vdev->pdev, 3655df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar sizeof(struct vnic_stats), &vdev->stats_pa); 3665df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!vdev->stats) 3675df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return -ENOMEM; 3685df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 3695df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3705df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar *stats = vdev->stats; 3715df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar a0 = vdev->stats_pa; 3725df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar a1 = sizeof(struct vnic_stats); 3735df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3745df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return vnic_dev_cmd(vdev, CMD_STATS_DUMP, &a0, &a1, wait); 3755df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 3765df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3775df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarint vnic_dev_close(struct vnic_dev *vdev) 3785df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 3795df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u64 a0 = 0, a1 = 0; 3805df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int wait = 1000; 3815df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return vnic_dev_cmd(vdev, CMD_CLOSE, &a0, &a1, wait); 3825df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 3835df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3845df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarint vnic_dev_enable(struct vnic_dev *vdev) 3855df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 3865df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u64 a0 = 0, a1 = 0; 3875df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int wait = 1000; 3885df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return vnic_dev_cmd(vdev, CMD_ENABLE, &a0, &a1, wait); 3895df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 3905df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3915df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarint vnic_dev_disable(struct vnic_dev *vdev) 3925df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 3935df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u64 a0 = 0, a1 = 0; 3945df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int wait = 1000; 3955df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return vnic_dev_cmd(vdev, CMD_DISABLE, &a0, &a1, wait); 3965df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 3975df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3985df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarint vnic_dev_open(struct vnic_dev *vdev, int arg) 3995df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 4005df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u64 a0 = (u32)arg, a1 = 0; 4015df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int wait = 1000; 4025df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return vnic_dev_cmd(vdev, CMD_OPEN, &a0, &a1, wait); 4035df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 4045df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4055df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarint vnic_dev_open_done(struct vnic_dev *vdev, int *done) 4065df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 4075df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u64 a0 = 0, a1 = 0; 4085df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int wait = 1000; 4095df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int err; 4105df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4115df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar *done = 0; 4125df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4135df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = vnic_dev_cmd(vdev, CMD_OPEN_STATUS, &a0, &a1, wait); 4145df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) 4155df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return err; 4165df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4175df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar *done = (a0 == 0); 4185df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4195df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return 0; 4205df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 4215df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4225df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarint vnic_dev_soft_reset(struct vnic_dev *vdev, int arg) 4235df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 4245df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u64 a0 = (u32)arg, a1 = 0; 4255df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int wait = 1000; 4265df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return vnic_dev_cmd(vdev, CMD_SOFT_RESET, &a0, &a1, wait); 4275df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 4285df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4295df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarint vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done) 4305df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 4315df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u64 a0 = 0, a1 = 0; 4325df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int wait = 1000; 4335df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int err; 4345df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4355df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar *done = 0; 4365df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4375df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = vnic_dev_cmd(vdev, CMD_SOFT_RESET_STATUS, &a0, &a1, wait); 4385df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) 4395df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return err; 4405df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4415df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar *done = (a0 == 0); 4425df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4435df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return 0; 4445df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 4455df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4465df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarint vnic_dev_hang_notify(struct vnic_dev *vdev) 4475df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 4485df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u64 a0, a1; 4495df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int wait = 1000; 4505df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return vnic_dev_cmd(vdev, CMD_HANG_NOTIFY, &a0, &a1, wait); 4515df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 4525df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4535df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarint vnic_dev_mac_addr(struct vnic_dev *vdev, u8 *mac_addr) 4545df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 4555df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u64 a0, a1; 4565df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int wait = 1000; 4575df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int err, i; 4585df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4595df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < ETH_ALEN; i++) 4605df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar mac_addr[i] = 0; 4615df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4625df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = vnic_dev_cmd(vdev, CMD_MAC_ADDR, &a0, &a1, wait); 4635df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) 4645df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return err; 4655df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4665df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < ETH_ALEN; i++) 4675df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar mac_addr[i] = ((u8 *)&a0)[i]; 4685df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4695df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return 0; 4705df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 4715df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4725df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarvoid vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast, 4735df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int broadcast, int promisc, int allmulti) 4745df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 4755df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u64 a0, a1 = 0; 4765df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int wait = 1000; 4775df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int err; 4785df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4795df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar a0 = (directed ? CMD_PFILTER_DIRECTED : 0) | 4805df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar (multicast ? CMD_PFILTER_MULTICAST : 0) | 4815df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar (broadcast ? CMD_PFILTER_BROADCAST : 0) | 4825df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar (promisc ? CMD_PFILTER_PROMISCUOUS : 0) | 4835df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar (allmulti ? CMD_PFILTER_ALL_MULTICAST : 0); 4845df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4855df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = vnic_dev_cmd(vdev, CMD_PACKET_FILTER, &a0, &a1, wait); 4865df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) 4875df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar printk(KERN_ERR "Can't set packet filter\n"); 4885df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 4895df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4905df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarvoid vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr) 4915df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 4925df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u64 a0 = 0, a1 = 0; 4935df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int wait = 1000; 4945df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int err; 4955df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int i; 4965df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4975df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < ETH_ALEN; i++) 4985df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar ((u8 *)&a0)[i] = addr[i]; 4995df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5005df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = vnic_dev_cmd(vdev, CMD_ADDR_ADD, &a0, &a1, wait); 5015df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) 5025df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar printk(KERN_ERR 5035df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "Can't add addr [%02x:%02x:%02x:%02x:%02x:%02x], %d\n", 5045df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar addr[0], addr[1], addr[2], addr[3], addr[4], addr[5], 5055df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err); 5065df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 5075df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5085df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarvoid vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr) 5095df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 5105df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u64 a0 = 0, a1 = 0; 5115df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int wait = 1000; 5125df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int err; 5135df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int i; 5145df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5155df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < ETH_ALEN; i++) 5165df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar ((u8 *)&a0)[i] = addr[i]; 5175df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5185df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = vnic_dev_cmd(vdev, CMD_ADDR_DEL, &a0, &a1, wait); 5195df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) 5205df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar printk(KERN_ERR 5215df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "Can't del addr [%02x:%02x:%02x:%02x:%02x:%02x], %d\n", 5225df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar addr[0], addr[1], addr[2], addr[3], addr[4], addr[5], 5235df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err); 5245df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 5255df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5265df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarint vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr) 5275df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 5285df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u64 a0, a1; 5295df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int wait = 1000; 5305df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5315df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!vdev->notify) { 5325df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vdev->notify = pci_alloc_consistent(vdev->pdev, 5335df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar sizeof(struct vnic_devcmd_notify), 5345df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar &vdev->notify_pa); 5355df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!vdev->notify) 5365df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return -ENOMEM; 5375df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 5385df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5395df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar a0 = vdev->notify_pa; 5405df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar a1 = ((u64)intr << 32) & 0x0000ffff00000000ULL; 5415df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar a1 += sizeof(struct vnic_devcmd_notify); 5425df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5435df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return vnic_dev_cmd(vdev, CMD_NOTIFY, &a0, &a1, wait); 5445df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 5455df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5465df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarvoid vnic_dev_notify_unset(struct vnic_dev *vdev) 5475df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 5485df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u64 a0, a1; 5495df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int wait = 1000; 5505df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5515df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar a0 = 0; /* paddr = 0 to unset notify buffer */ 5525df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar a1 = 0x0000ffff00000000ULL; /* intr num = -1 to unreg for intr */ 5535df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar a1 += sizeof(struct vnic_devcmd_notify); 5545df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5555df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_dev_cmd(vdev, CMD_NOTIFY, &a0, &a1, wait); 5565df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 5575df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5585df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic int vnic_dev_notify_ready(struct vnic_dev *vdev) 5595df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 5605df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u32 *words; 5615df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar unsigned int nwords = sizeof(struct vnic_devcmd_notify) / 4; 5625df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar unsigned int i; 5635df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u32 csum; 5645df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5655df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!vdev->notify) 5665df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return 0; 5675df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5685df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar do { 5695df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar csum = 0; 5705df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar memcpy(&vdev->notify_copy, vdev->notify, 5715df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar sizeof(struct vnic_devcmd_notify)); 5725df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar words = (u32 *)&vdev->notify_copy; 5735df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 1; i < nwords; i++) 5745df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar csum += words[i]; 5755df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } while (csum != words[0]); 5765df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5775df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return 1; 5785df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 5795df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5805df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarint vnic_dev_init(struct vnic_dev *vdev, int arg) 5815df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 5825df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u64 a0 = (u32)arg, a1 = 0; 5835df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int wait = 1000; 5845df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return vnic_dev_cmd(vdev, CMD_INIT, &a0, &a1, wait); 5855df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 5865df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5875df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarint vnic_dev_link_status(struct vnic_dev *vdev) 5885df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 5895df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (vdev->linkstatus) 5905df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return *vdev->linkstatus; 5915df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5925df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!vnic_dev_notify_ready(vdev)) 5935df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return 0; 5945df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5955df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return vdev->notify_copy.link_state; 5965df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 5975df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5985df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekaru32 vnic_dev_port_speed(struct vnic_dev *vdev) 5995df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 6005df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!vnic_dev_notify_ready(vdev)) 6015df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return 0; 6025df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6035df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return vdev->notify_copy.port_speed; 6045df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 6055df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6065df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekaru32 vnic_dev_msg_lvl(struct vnic_dev *vdev) 6075df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 6085df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!vnic_dev_notify_ready(vdev)) 6095df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return 0; 6105df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6115df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return vdev->notify_copy.msglvl; 6125df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 6135df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6145df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekaru32 vnic_dev_mtu(struct vnic_dev *vdev) 6155df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 6165df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!vnic_dev_notify_ready(vdev)) 6175df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return 0; 6185df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6195df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return vdev->notify_copy.mtu; 6205df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 6215df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6225df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekaru32 vnic_dev_link_down_cnt(struct vnic_dev *vdev) 6235df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 6245df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!vnic_dev_notify_ready(vdev)) 6255df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return 0; 6265df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6275df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return vdev->notify_copy.link_down_cnt; 6285df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 6295df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6305df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarvoid vnic_dev_set_intr_mode(struct vnic_dev *vdev, 6315df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar enum vnic_dev_intr_mode intr_mode) 6325df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 6335df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vdev->intr_mode = intr_mode; 6345df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 6355df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6365df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarenum vnic_dev_intr_mode vnic_dev_get_intr_mode( 6375df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct vnic_dev *vdev) 6385df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 6395df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return vdev->intr_mode; 6405df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 6415df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6425df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarvoid vnic_dev_unregister(struct vnic_dev *vdev) 6435df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 6445df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (vdev) { 6455df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (vdev->notify) 6465df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar pci_free_consistent(vdev->pdev, 6475df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar sizeof(struct vnic_devcmd_notify), 6485df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vdev->notify, 6495df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vdev->notify_pa); 6505df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (vdev->linkstatus) 6515df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar pci_free_consistent(vdev->pdev, 6525df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar sizeof(u32), 6535df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vdev->linkstatus, 6545df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vdev->linkstatus_pa); 6555df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (vdev->stats) 6565df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar pci_free_consistent(vdev->pdev, 657c954f8aed44686569347087a57c75c590ce2782dVenkata Siva Vijayendra Bhamidipati sizeof(struct vnic_stats), 6585df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vdev->stats, vdev->stats_pa); 6595df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (vdev->fw_info) 6605df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar pci_free_consistent(vdev->pdev, 6615df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar sizeof(struct vnic_devcmd_fw_info), 6625df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vdev->fw_info, vdev->fw_info_pa); 6635df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar kfree(vdev); 6645df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 6655df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 6665df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6675df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstruct vnic_dev *vnic_dev_register(struct vnic_dev *vdev, 6685df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar void *priv, struct pci_dev *pdev, struct vnic_dev_bar *bar) 6695df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 6705df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!vdev) { 6715df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vdev = kzalloc(sizeof(struct vnic_dev), GFP_KERNEL); 6725df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!vdev) 6735df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return NULL; 6745df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 6755df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6765df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vdev->priv = priv; 6775df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vdev->pdev = pdev; 6785df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6795df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (vnic_dev_discover_res(vdev, bar)) 6805df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_out; 6815df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6825df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vdev->devcmd = vnic_dev_get_res(vdev, RES_TYPE_DEVCMD, 0); 6835df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!vdev->devcmd) 6845df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_out; 6855df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6865df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return vdev; 6875df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6885df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarerr_out: 6895df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_dev_unregister(vdev); 6905df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return NULL; 6915df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 692