2 * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved.
3 * Copyright 2007 Nuova Systems, Inc. All rights reserved.
5 * This program is free software; you may redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; version 2 of the License.
9 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
10 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
11 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
12 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
13 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
14 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
15 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 #include <linux/kernel.h>
21 #include <linux/errno.h>
22 #include <linux/types.h>
23 #include <linux/pci.h>
24 #include <linux/delay.h>
25 #include <linux/if_ether.h>
27 #include "vnic_resource.h"
28 #include "vnic_devcmd.h"
30 #include "vnic_stats.h"
32 enum vnic_proxy_type {
44 struct vnic_intr_coal_timer_info {
53 struct vnic_res res[RES_TYPE_MAX];
54 enum vnic_dev_intr_mode intr_mode;
55 struct vnic_devcmd __iomem *devcmd;
56 struct vnic_devcmd_notify *notify;
57 struct vnic_devcmd_notify notify_copy;
60 dma_addr_t linkstatus_pa;
61 struct vnic_stats *stats;
63 struct vnic_devcmd_fw_info *fw_info;
64 dma_addr_t fw_info_pa;
65 enum vnic_proxy_type proxy;
67 u64 args[VNIC_DEVCMD_NARGS];
68 struct vnic_intr_coal_timer_info intr_coal_timer_info;
71 #define VNIC_MAX_RES_HDR_SIZE \
72 (sizeof(struct vnic_resource_header) + \
73 sizeof(struct vnic_resource) * RES_TYPE_MAX)
74 #define VNIC_RES_STRIDE 128
76 void *vnic_dev_priv(struct vnic_dev *vdev)
81 static int vnic_dev_discover_res(struct vnic_dev *vdev,
82 struct vnic_dev_bar *bar, unsigned int num_bars)
84 struct vnic_resource_header __iomem *rh;
85 struct mgmt_barmap_hdr __iomem *mrh;
86 struct vnic_resource __iomem *r;
92 if (bar->len < VNIC_MAX_RES_HDR_SIZE) {
93 pr_err("vNIC BAR0 res hdr length error\n");
100 pr_err("vNIC BAR0 res hdr not mem-mapped\n");
104 /* Check for mgmt vnic in addition to normal vnic */
105 if ((ioread32(&rh->magic) != VNIC_RES_MAGIC) ||
106 (ioread32(&rh->version) != VNIC_RES_VERSION)) {
107 if ((ioread32(&mrh->magic) != MGMTVNIC_MAGIC) ||
108 (ioread32(&mrh->version) != MGMTVNIC_VERSION)) {
109 pr_err("vNIC BAR0 res magic/version error "
110 "exp (%lx/%lx) or (%lx/%lx), curr (%x/%x)\n",
111 VNIC_RES_MAGIC, VNIC_RES_VERSION,
112 MGMTVNIC_MAGIC, MGMTVNIC_VERSION,
113 ioread32(&rh->magic), ioread32(&rh->version));
118 if (ioread32(&mrh->magic) == MGMTVNIC_MAGIC)
119 r = (struct vnic_resource __iomem *)(mrh + 1);
121 r = (struct vnic_resource __iomem *)(rh + 1);
124 while ((type = ioread8(&r->type)) != RES_TYPE_EOL) {
126 u8 bar_num = ioread8(&r->bar);
127 u32 bar_offset = ioread32(&r->bar_offset);
128 u32 count = ioread32(&r->count);
133 if (bar_num >= num_bars)
136 if (!bar[bar_num].len || !bar[bar_num].vaddr)
143 case RES_TYPE_INTR_CTRL:
144 /* each count is stride bytes long */
145 len = count * VNIC_RES_STRIDE;
146 if (len + bar_offset > bar[bar_num].len) {
147 pr_err("vNIC BAR0 resource %d "
148 "out-of-bounds, offset 0x%x + "
149 "size 0x%x > bar len 0x%lx\n",
156 case RES_TYPE_INTR_PBA_LEGACY:
157 case RES_TYPE_DEVCMD:
164 vdev->res[type].count = count;
165 vdev->res[type].vaddr = (char __iomem *)bar[bar_num].vaddr +
167 vdev->res[type].bus_addr = bar[bar_num].bus_addr + bar_offset;
173 unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev,
174 enum vnic_res_type type)
176 return vdev->res[type].count;
178 EXPORT_SYMBOL(vnic_dev_get_res_count);
180 void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
183 if (!vdev->res[type].vaddr)
190 case RES_TYPE_INTR_CTRL:
191 return (char __iomem *)vdev->res[type].vaddr +
192 index * VNIC_RES_STRIDE;
194 return (char __iomem *)vdev->res[type].vaddr;
197 EXPORT_SYMBOL(vnic_dev_get_res);
199 static unsigned int vnic_dev_desc_ring_size(struct vnic_dev_ring *ring,
200 unsigned int desc_count, unsigned int desc_size)
202 /* The base address of the desc rings must be 512 byte aligned.
203 * Descriptor count is aligned to groups of 32 descriptors. A
204 * count of 0 means the maximum 4096 descriptors. Descriptor
205 * size is aligned to 16 bytes.
208 unsigned int count_align = 32;
209 unsigned int desc_align = 16;
211 ring->base_align = 512;
216 ring->desc_count = ALIGN(desc_count, count_align);
218 ring->desc_size = ALIGN(desc_size, desc_align);
220 ring->size = ring->desc_count * ring->desc_size;
221 ring->size_unaligned = ring->size + ring->base_align;
223 return ring->size_unaligned;
226 void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring)
228 memset(ring->descs, 0, ring->size);
231 int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
232 unsigned int desc_count, unsigned int desc_size)
234 vnic_dev_desc_ring_size(ring, desc_count, desc_size);
236 ring->descs_unaligned = pci_alloc_consistent(vdev->pdev,
237 ring->size_unaligned,
238 &ring->base_addr_unaligned);
240 if (!ring->descs_unaligned) {
241 pr_err("Failed to allocate ring (size=%d), aborting\n",
246 ring->base_addr = ALIGN(ring->base_addr_unaligned,
248 ring->descs = (u8 *)ring->descs_unaligned +
249 (ring->base_addr - ring->base_addr_unaligned);
251 vnic_dev_clear_desc_ring(ring);
253 ring->desc_avail = ring->desc_count - 1;
258 void vnic_dev_free_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring)
261 pci_free_consistent(vdev->pdev,
262 ring->size_unaligned,
263 ring->descs_unaligned,
264 ring->base_addr_unaligned);
269 static int _vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
272 struct vnic_devcmd __iomem *devcmd = vdev->devcmd;
278 status = ioread32(&devcmd->status);
279 if (status == 0xFFFFFFFF) {
280 /* PCI-e target device is gone */
283 if (status & STAT_BUSY) {
284 pr_err("Busy devcmd %d\n", _CMD_N(cmd));
288 if (_CMD_DIR(cmd) & _CMD_DIR_WRITE) {
289 for (i = 0; i < VNIC_DEVCMD_NARGS; i++)
290 writeq(vdev->args[i], &devcmd->args[i]);
294 iowrite32(cmd, &devcmd->cmd);
296 if ((_CMD_FLAGS(cmd) & _CMD_FLAGS_NOWAIT))
299 for (delay = 0; delay < wait; delay++) {
303 status = ioread32(&devcmd->status);
304 if (status == 0xFFFFFFFF) {
305 /* PCI-e target device is gone */
309 if (!(status & STAT_BUSY)) {
311 if (status & STAT_ERROR) {
312 err = (int)readq(&devcmd->args[0]);
313 if (err == ERR_EINVAL &&
314 cmd == CMD_CAPABILITY)
316 if (err != ERR_ECMDUNKNOWN ||
317 cmd != CMD_CAPABILITY)
318 pr_err("Error %d devcmd %d\n",
323 if (_CMD_DIR(cmd) & _CMD_DIR_READ) {
325 for (i = 0; i < VNIC_DEVCMD_NARGS; i++)
326 vdev->args[i] = readq(&devcmd->args[i]);
333 pr_err("Timedout devcmd %d\n", _CMD_N(cmd));
337 static int vnic_dev_cmd_proxy(struct vnic_dev *vdev,
338 enum vnic_devcmd_cmd proxy_cmd, enum vnic_devcmd_cmd cmd,
339 u64 *a0, u64 *a1, int wait)
344 memset(vdev->args, 0, sizeof(vdev->args));
346 vdev->args[0] = vdev->proxy_index;
351 err = _vnic_dev_cmd(vdev, proxy_cmd, wait);
355 status = (u32)vdev->args[0];
356 if (status & STAT_ERROR) {
357 err = (int)vdev->args[1];
358 if (err != ERR_ECMDUNKNOWN ||
359 cmd != CMD_CAPABILITY)
360 pr_err("Error %d proxy devcmd %d\n", err, _CMD_N(cmd));
370 static int vnic_dev_cmd_no_proxy(struct vnic_dev *vdev,
371 enum vnic_devcmd_cmd cmd, u64 *a0, u64 *a1, int wait)
378 err = _vnic_dev_cmd(vdev, cmd, wait);
386 void vnic_dev_cmd_proxy_by_index_start(struct vnic_dev *vdev, u16 index)
388 vdev->proxy = PROXY_BY_INDEX;
389 vdev->proxy_index = index;
392 void vnic_dev_cmd_proxy_end(struct vnic_dev *vdev)
394 vdev->proxy = PROXY_NONE;
395 vdev->proxy_index = 0;
398 int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
399 u64 *a0, u64 *a1, int wait)
401 memset(vdev->args, 0, sizeof(vdev->args));
403 switch (vdev->proxy) {
405 return vnic_dev_cmd_proxy(vdev, CMD_PROXY_BY_INDEX, cmd,
408 return vnic_dev_cmd_proxy(vdev, CMD_PROXY_BY_BDF, cmd,
412 return vnic_dev_cmd_no_proxy(vdev, cmd, a0, a1, wait);
416 static int vnic_dev_capable(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd)
418 u64 a0 = (u32)cmd, a1 = 0;
422 err = vnic_dev_cmd(vdev, CMD_CAPABILITY, &a0, &a1, wait);
427 int vnic_dev_fw_info(struct vnic_dev *vdev,
428 struct vnic_devcmd_fw_info **fw_info)
434 if (!vdev->fw_info) {
435 vdev->fw_info = pci_alloc_consistent(vdev->pdev,
436 sizeof(struct vnic_devcmd_fw_info),
441 memset(vdev->fw_info, 0, sizeof(struct vnic_devcmd_fw_info));
443 a0 = vdev->fw_info_pa;
444 a1 = sizeof(struct vnic_devcmd_fw_info);
446 /* only get fw_info once and cache it */
447 if (vnic_dev_capable(vdev, CMD_MCPU_FW_INFO))
448 err = vnic_dev_cmd(vdev, CMD_MCPU_FW_INFO,
451 err = vnic_dev_cmd(vdev, CMD_MCPU_FW_INFO_OLD,
455 *fw_info = vdev->fw_info;
460 int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, unsigned int size,
470 err = vnic_dev_cmd(vdev, CMD_DEV_SPEC, &a0, &a1, wait);
473 case 1: *(u8 *)value = (u8)a0; break;
474 case 2: *(u16 *)value = (u16)a0; break;
475 case 4: *(u32 *)value = (u32)a0; break;
476 case 8: *(u64 *)value = a0; break;
477 default: BUG(); break;
483 int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats)
489 vdev->stats = pci_alloc_consistent(vdev->pdev,
490 sizeof(struct vnic_stats), &vdev->stats_pa);
495 *stats = vdev->stats;
497 a1 = sizeof(struct vnic_stats);
499 return vnic_dev_cmd(vdev, CMD_STATS_DUMP, &a0, &a1, wait);
502 int vnic_dev_close(struct vnic_dev *vdev)
506 return vnic_dev_cmd(vdev, CMD_CLOSE, &a0, &a1, wait);
509 int vnic_dev_enable_wait(struct vnic_dev *vdev)
514 if (vnic_dev_capable(vdev, CMD_ENABLE_WAIT))
515 return vnic_dev_cmd(vdev, CMD_ENABLE_WAIT, &a0, &a1, wait);
517 return vnic_dev_cmd(vdev, CMD_ENABLE, &a0, &a1, wait);
520 int vnic_dev_disable(struct vnic_dev *vdev)
524 return vnic_dev_cmd(vdev, CMD_DISABLE, &a0, &a1, wait);
527 int vnic_dev_open(struct vnic_dev *vdev, int arg)
529 u64 a0 = (u32)arg, a1 = 0;
531 return vnic_dev_cmd(vdev, CMD_OPEN, &a0, &a1, wait);
534 int vnic_dev_open_done(struct vnic_dev *vdev, int *done)
542 err = vnic_dev_cmd(vdev, CMD_OPEN_STATUS, &a0, &a1, wait);
551 static int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg)
553 u64 a0 = (u32)arg, a1 = 0;
555 return vnic_dev_cmd(vdev, CMD_SOFT_RESET, &a0, &a1, wait);
558 static int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done)
566 err = vnic_dev_cmd(vdev, CMD_SOFT_RESET_STATUS, &a0, &a1, wait);
575 int vnic_dev_hang_reset(struct vnic_dev *vdev, int arg)
577 u64 a0 = (u32)arg, a1 = 0;
581 if (vnic_dev_capable(vdev, CMD_HANG_RESET)) {
582 return vnic_dev_cmd(vdev, CMD_HANG_RESET,
585 err = vnic_dev_soft_reset(vdev, arg);
588 return vnic_dev_init(vdev, 0);
592 int vnic_dev_hang_reset_done(struct vnic_dev *vdev, int *done)
600 if (vnic_dev_capable(vdev, CMD_HANG_RESET_STATUS)) {
601 err = vnic_dev_cmd(vdev, CMD_HANG_RESET_STATUS,
606 return vnic_dev_soft_reset_done(vdev, done);
614 int vnic_dev_hang_notify(struct vnic_dev *vdev)
618 return vnic_dev_cmd(vdev, CMD_HANG_NOTIFY, &a0, &a1, wait);
621 int vnic_dev_get_mac_addr(struct vnic_dev *vdev, u8 *mac_addr)
627 for (i = 0; i < ETH_ALEN; i++)
630 err = vnic_dev_cmd(vdev, CMD_GET_MAC_ADDR, &a0, &a1, wait);
634 for (i = 0; i < ETH_ALEN; i++)
635 mac_addr[i] = ((u8 *)&a0)[i];
640 int vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
641 int broadcast, int promisc, int allmulti)
647 a0 = (directed ? CMD_PFILTER_DIRECTED : 0) |
648 (multicast ? CMD_PFILTER_MULTICAST : 0) |
649 (broadcast ? CMD_PFILTER_BROADCAST : 0) |
650 (promisc ? CMD_PFILTER_PROMISCUOUS : 0) |
651 (allmulti ? CMD_PFILTER_ALL_MULTICAST : 0);
653 err = vnic_dev_cmd(vdev, CMD_PACKET_FILTER, &a0, &a1, wait);
655 pr_err("Can't set packet filter\n");
660 int vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr)
667 for (i = 0; i < ETH_ALEN; i++)
668 ((u8 *)&a0)[i] = addr[i];
670 err = vnic_dev_cmd(vdev, CMD_ADDR_ADD, &a0, &a1, wait);
672 pr_err("Can't add addr [%pM], %d\n", addr, err);
677 int vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr)
684 for (i = 0; i < ETH_ALEN; i++)
685 ((u8 *)&a0)[i] = addr[i];
687 err = vnic_dev_cmd(vdev, CMD_ADDR_DEL, &a0, &a1, wait);
689 pr_err("Can't del addr [%pM], %d\n", addr, err);
694 int vnic_dev_set_ig_vlan_rewrite_mode(struct vnic_dev *vdev,
695 u8 ig_vlan_rewrite_mode)
697 u64 a0 = ig_vlan_rewrite_mode, a1 = 0;
700 if (vnic_dev_capable(vdev, CMD_IG_VLAN_REWRITE_MODE))
701 return vnic_dev_cmd(vdev, CMD_IG_VLAN_REWRITE_MODE,
707 static int vnic_dev_notify_setcmd(struct vnic_dev *vdev,
708 void *notify_addr, dma_addr_t notify_pa, u16 intr)
714 memset(notify_addr, 0, sizeof(struct vnic_devcmd_notify));
715 vdev->notify = notify_addr;
716 vdev->notify_pa = notify_pa;
719 a1 = ((u64)intr << 32) & 0x0000ffff00000000ULL;
720 a1 += sizeof(struct vnic_devcmd_notify);
722 r = vnic_dev_cmd(vdev, CMD_NOTIFY, &a0, &a1, wait);
723 vdev->notify_sz = (r == 0) ? (u32)a1 : 0;
727 int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr)
730 dma_addr_t notify_pa;
732 if (vdev->notify || vdev->notify_pa) {
733 pr_err("notify block %p still allocated", vdev->notify);
737 notify_addr = pci_alloc_consistent(vdev->pdev,
738 sizeof(struct vnic_devcmd_notify),
743 return vnic_dev_notify_setcmd(vdev, notify_addr, notify_pa, intr);
746 static int vnic_dev_notify_unsetcmd(struct vnic_dev *vdev)
752 a0 = 0; /* paddr = 0 to unset notify buffer */
753 a1 = 0x0000ffff00000000ULL; /* intr num = -1 to unreg for intr */
754 a1 += sizeof(struct vnic_devcmd_notify);
756 err = vnic_dev_cmd(vdev, CMD_NOTIFY, &a0, &a1, wait);
764 int vnic_dev_notify_unset(struct vnic_dev *vdev)
767 pci_free_consistent(vdev->pdev,
768 sizeof(struct vnic_devcmd_notify),
773 return vnic_dev_notify_unsetcmd(vdev);
776 static int vnic_dev_notify_ready(struct vnic_dev *vdev)
779 unsigned int nwords = vdev->notify_sz / 4;
783 if (!vdev->notify || !vdev->notify_sz)
788 memcpy(&vdev->notify_copy, vdev->notify, vdev->notify_sz);
789 words = (u32 *)&vdev->notify_copy;
790 for (i = 1; i < nwords; i++)
792 } while (csum != words[0]);
797 int vnic_dev_init(struct vnic_dev *vdev, int arg)
799 u64 a0 = (u32)arg, a1 = 0;
803 if (vnic_dev_capable(vdev, CMD_INIT))
804 r = vnic_dev_cmd(vdev, CMD_INIT, &a0, &a1, wait);
806 vnic_dev_cmd(vdev, CMD_INIT_v1, &a0, &a1, wait);
807 if (a0 & CMD_INITF_DEFAULT_MAC) {
808 /* Emulate these for old CMD_INIT_v1 which
809 * didn't pass a0 so no CMD_INITF_*.
811 vnic_dev_cmd(vdev, CMD_GET_MAC_ADDR, &a0, &a1, wait);
812 vnic_dev_cmd(vdev, CMD_ADDR_ADD, &a0, &a1, wait);
818 int vnic_dev_deinit(struct vnic_dev *vdev)
823 return vnic_dev_cmd(vdev, CMD_DEINIT, &a0, &a1, wait);
826 void vnic_dev_intr_coal_timer_info_default(struct vnic_dev *vdev)
828 /* Default: hardware intr coal timer is in units of 1.5 usecs */
829 vdev->intr_coal_timer_info.mul = 2;
830 vdev->intr_coal_timer_info.div = 3;
831 vdev->intr_coal_timer_info.max_usec =
832 vnic_dev_intr_coal_timer_hw_to_usec(vdev, 0xffff);
835 int vnic_dev_intr_coal_timer_info(struct vnic_dev *vdev)
840 memset(vdev->args, 0, sizeof(vdev->args));
842 if (vnic_dev_capable(vdev, CMD_INTR_COAL_CONVERT))
843 err = _vnic_dev_cmd(vdev, CMD_INTR_COAL_CONVERT, wait);
845 err = ERR_ECMDUNKNOWN;
847 /* Use defaults when firmware doesn't support the devcmd at all or
848 * supports it for only specific hardware
850 if ((err == ERR_ECMDUNKNOWN) ||
851 (!err && !(vdev->args[0] && vdev->args[1] && vdev->args[2]))) {
852 pr_warning("Using default conversion factor for "
853 "interrupt coalesce timer\n");
854 vnic_dev_intr_coal_timer_info_default(vdev);
859 vdev->intr_coal_timer_info.mul = (u32) vdev->args[0];
860 vdev->intr_coal_timer_info.div = (u32) vdev->args[1];
861 vdev->intr_coal_timer_info.max_usec = (u32) vdev->args[2];
867 int vnic_dev_link_status(struct vnic_dev *vdev)
869 if (!vnic_dev_notify_ready(vdev))
872 return vdev->notify_copy.link_state;
875 u32 vnic_dev_port_speed(struct vnic_dev *vdev)
877 if (!vnic_dev_notify_ready(vdev))
880 return vdev->notify_copy.port_speed;
883 u32 vnic_dev_msg_lvl(struct vnic_dev *vdev)
885 if (!vnic_dev_notify_ready(vdev))
888 return vdev->notify_copy.msglvl;
891 u32 vnic_dev_mtu(struct vnic_dev *vdev)
893 if (!vnic_dev_notify_ready(vdev))
896 return vdev->notify_copy.mtu;
899 void vnic_dev_set_intr_mode(struct vnic_dev *vdev,
900 enum vnic_dev_intr_mode intr_mode)
902 vdev->intr_mode = intr_mode;
905 enum vnic_dev_intr_mode vnic_dev_get_intr_mode(
906 struct vnic_dev *vdev)
908 return vdev->intr_mode;
911 u32 vnic_dev_intr_coal_timer_usec_to_hw(struct vnic_dev *vdev, u32 usec)
913 return (usec * vdev->intr_coal_timer_info.mul) /
914 vdev->intr_coal_timer_info.div;
917 u32 vnic_dev_intr_coal_timer_hw_to_usec(struct vnic_dev *vdev, u32 hw_cycles)
919 return (hw_cycles * vdev->intr_coal_timer_info.div) /
920 vdev->intr_coal_timer_info.mul;
923 u32 vnic_dev_get_intr_coal_timer_max(struct vnic_dev *vdev)
925 return vdev->intr_coal_timer_info.max_usec;
928 void vnic_dev_unregister(struct vnic_dev *vdev)
932 pci_free_consistent(vdev->pdev,
933 sizeof(struct vnic_devcmd_notify),
937 pci_free_consistent(vdev->pdev,
938 sizeof(struct vnic_stats),
939 vdev->stats, vdev->stats_pa);
941 pci_free_consistent(vdev->pdev,
942 sizeof(struct vnic_devcmd_fw_info),
943 vdev->fw_info, vdev->fw_info_pa);
947 EXPORT_SYMBOL(vnic_dev_unregister);
949 struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev,
950 void *priv, struct pci_dev *pdev, struct vnic_dev_bar *bar,
951 unsigned int num_bars)
954 vdev = kzalloc(sizeof(struct vnic_dev), GFP_ATOMIC);
962 if (vnic_dev_discover_res(vdev, bar, num_bars))
965 vdev->devcmd = vnic_dev_get_res(vdev, RES_TYPE_DEVCMD, 0);
972 vnic_dev_unregister(vdev);
975 EXPORT_SYMBOL(vnic_dev_register);
977 struct pci_dev *vnic_dev_get_pdev(struct vnic_dev *vdev)
981 EXPORT_SYMBOL(vnic_dev_get_pdev);
983 int vnic_dev_init_prov2(struct vnic_dev *vdev, u8 *buf, u32 len)
991 prov_buf = pci_alloc_consistent(vdev->pdev, len, &prov_pa);
995 memcpy(prov_buf, buf, len);
999 ret = vnic_dev_cmd(vdev, CMD_INIT_PROV_INFO2, &a0, &a1, wait);
1001 pci_free_consistent(vdev->pdev, len, prov_buf, prov_pa);
1006 int vnic_dev_enable2(struct vnic_dev *vdev, int active)
1011 a0 = (active ? CMD_ENABLE2_ACTIVE : 0);
1013 return vnic_dev_cmd(vdev, CMD_ENABLE2, &a0, &a1, wait);
1016 static int vnic_dev_cmd_status(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
1019 u64 a0 = cmd, a1 = 0;
1023 ret = vnic_dev_cmd(vdev, CMD_STATUS, &a0, &a1, wait);
1030 int vnic_dev_enable2_done(struct vnic_dev *vdev, int *status)
1032 return vnic_dev_cmd_status(vdev, CMD_ENABLE2, status);
1035 int vnic_dev_deinit_done(struct vnic_dev *vdev, int *status)
1037 return vnic_dev_cmd_status(vdev, CMD_DEINIT, status);
1040 int vnic_dev_set_mac_addr(struct vnic_dev *vdev, u8 *mac_addr)
1046 for (i = 0; i < ETH_ALEN; i++)
1047 ((u8 *)&a0)[i] = mac_addr[i];
1049 return vnic_dev_cmd(vdev, CMD_SET_MAC_ADDR, &a0, &a1, wait);