int vnic_dev_intr_coal_timer_info(struct vnic_dev *vdev)
{
int wait = 1000;
int err;
memset(vdev->args, 0, sizeof(vdev->args));
if (vnic_dev_capable(vdev, CMD_INTR_COAL_CONVERT))
err = _vnic_dev_cmd(vdev, CMD_INTR_COAL_CONVERT, wait);
else
err = ERR_ECMDUNKNOWN;
/* Use defaults when firmware doesn't support the devcmd at all or
* supports it for only specific hardware
*/
if ((err == ERR_ECMDUNKNOWN) ||
(!err && !(vdev->args[0] && vdev->args[1] && vdev->args[2]))) {
pr_warning("Using default conversion factor for "
"interrupt coalesce timer\n");
vnic_dev_intr_coal_timer_info_default(vdev);
return 0;
}
if (!err) {
vdev->intr_coal_timer_info.mul = (u32) vdev->args[0];
vdev->intr_coal_timer_info.div = (u32) vdev->args[1];
vdev->intr_coal_timer_info.max_usec = (u32) vdev->args[2];
}
return err;
}
int vnic_dev_fw_info(struct vnic_dev *vdev,
struct vnic_devcmd_fw_info **fw_info)
{
u64 a0, a1 = 0;
int wait = 1000;
int err = 0;
if (!vdev->fw_info) {
vdev->fw_info = pci_zalloc_consistent(vdev->pdev,
sizeof(struct vnic_devcmd_fw_info),
&vdev->fw_info_pa);
if (!vdev->fw_info)
return -ENOMEM;
a0 = vdev->fw_info_pa;
a1 = sizeof(struct vnic_devcmd_fw_info);
/* only get fw_info once and cache it */
if (vnic_dev_capable(vdev, CMD_MCPU_FW_INFO))
err = vnic_dev_cmd(vdev, CMD_MCPU_FW_INFO,
&a0, &a1, wait);
else
err = vnic_dev_cmd(vdev, CMD_MCPU_FW_INFO_OLD,
&a0, &a1, wait);
}
*fw_info = vdev->fw_info;
return err;
}
struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev,
void *priv, struct pci_dev *pdev, struct vnic_dev_bar *bar)
{
if (!vdev) {
vdev = kzalloc(sizeof(struct vnic_dev), GFP_ATOMIC);
if (!vdev)
return NULL;
}
vdev->priv = priv;
vdev->pdev = pdev;
if (vnic_dev_discover_res(vdev, bar))
goto err_out;
vdev->devcmd = vnic_dev_get_res(vdev, RES_TYPE_DEVCMD, 0);
if (!vdev->devcmd)
goto err_out;
vdev->cap_flags = 0;
if (vnic_dev_capable(vdev, CMD_INIT))
vdev->cap_flags |= VNIC_DEV_CAP_INIT;
return vdev;
err_out:
vnic_dev_unregister(vdev);
return NULL;
}
int vnic_dev_enable_wait(struct vnic_dev *vdev)
{
u64 a0 = 0, a1 = 0;
int wait = 1000;
if (vnic_dev_capable(vdev, CMD_ENABLE_WAIT))
return vnic_dev_cmd(vdev, CMD_ENABLE_WAIT, &a0, &a1, wait);
else
return vnic_dev_cmd(vdev, CMD_ENABLE, &a0, &a1, wait);
}
int vnic_dev_set_ig_vlan_rewrite_mode(struct vnic_dev *vdev,
u8 ig_vlan_rewrite_mode)
{
u64 a0 = ig_vlan_rewrite_mode, a1 = 0;
int wait = 1000;
if (vnic_dev_capable(vdev, CMD_IG_VLAN_REWRITE_MODE))
return vnic_dev_cmd(vdev, CMD_IG_VLAN_REWRITE_MODE,
&a0, &a1, wait);
else
return 0;
}
int vnic_dev_hang_reset(struct vnic_dev *vdev, int arg)
{
u64 a0 = (u32)arg, a1 = 0;
int wait = 1000;
int err;
if (vnic_dev_capable(vdev, CMD_HANG_RESET)) {
return vnic_dev_cmd(vdev, CMD_HANG_RESET,
&a0, &a1, wait);
} else {
err = vnic_dev_soft_reset(vdev, arg);
if (err)
return err;
return vnic_dev_init(vdev, 0);
}
}
int vnic_dev_init(struct vnic_dev *vdev, int arg)
{
u64 a0 = (u32)arg, a1 = 0;
int wait = 1000;
int r = 0;
if (vnic_dev_capable(vdev, CMD_INIT))
r = vnic_dev_cmd(vdev, CMD_INIT, &a0, &a1, wait);
else {
vnic_dev_cmd(vdev, CMD_INIT_v1, &a0, &a1, wait);
if (a0 & CMD_INITF_DEFAULT_MAC) {
vnic_dev_cmd(vdev, CMD_GET_MAC_ADDR, &a0, &a1, wait);
vnic_dev_cmd(vdev, CMD_ADDR_ADD, &a0, &a1, wait);
}
}
return r;
}
int vnic_dev_init(struct vnic_dev *vdev, int arg)
{
u64 a0 = (u32)arg, a1 = 0;
int wait = 1000;
int r = 0;
if (vnic_dev_capable(vdev, CMD_INIT))
r = vnic_dev_cmd(vdev, CMD_INIT, &a0, &a1, wait);
else {
vnic_dev_cmd(vdev, CMD_INIT_v1, &a0, &a1, wait);
if (a0 & CMD_INITF_DEFAULT_MAC) {
// Emulate these for old CMD_INIT_v1 which
// didn't pass a0 so no CMD_INITF_*.
vnic_dev_cmd(vdev, CMD_MAC_ADDR, &a0, &a1, wait);
vnic_dev_cmd(vdev, CMD_ADDR_ADD, &a0, &a1, wait);
}
}
return r;
}
int vnic_dev_hang_reset_done(struct vnic_dev *vdev, int *done)
{
u64 a0 = 0, a1 = 0;
int wait = 1000;
int err;
*done = 0;
if (vnic_dev_capable(vdev, CMD_HANG_RESET_STATUS)) {
err = vnic_dev_cmd(vdev, CMD_HANG_RESET_STATUS,
&a0, &a1, wait);
if (err)
return err;
} else {
return vnic_dev_soft_reset_done(vdev, done);
}
*done = (a0 == 0);
return 0;
}