diff options
Diffstat (limited to 'drivers/net/ethernet/pensando/ionic/ionic_dev.c')
-rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_dev.c | 73 |
1 files changed, 28 insertions, 45 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.c b/drivers/net/ethernet/pensando/ionic/ionic_dev.c index 22ab0a44fa..746072b4db 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_dev.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.c @@ -165,9 +165,19 @@ void ionic_dev_teardown(struct ionic *ionic) } /* Devcmd Interface */ -bool ionic_is_fw_running(struct ionic_dev *idev) +static bool __ionic_is_fw_running(struct ionic_dev *idev, u8 *status_ptr) { - u8 fw_status = ioread8(&idev->dev_info_regs->fw_status); + u8 fw_status; + + if (!idev->dev_info_regs) { + if (status_ptr) + *status_ptr = 0xff; + return false; + } + + fw_status = ioread8(&idev->dev_info_regs->fw_status); + if (status_ptr) + *status_ptr = fw_status; /* firmware is useful only if the running bit is set and * fw_status != 0xff (bad PCI read) @@ -175,6 +185,11 @@ bool ionic_is_fw_running(struct ionic_dev *idev) return (fw_status != 0xff) && (fw_status & IONIC_FW_STS_F_RUNNING); } +bool ionic_is_fw_running(struct ionic_dev *idev) +{ + return __ionic_is_fw_running(idev, NULL); +} + int ionic_heartbeat_check(struct ionic *ionic) { unsigned long check_time, last_check_time; @@ -199,10 +214,8 @@ do_check_time: goto do_check_time; } - fw_status = ioread8(&idev->dev_info_regs->fw_status); - /* If fw_status is not ready don't bother with the generation */ - if (!ionic_is_fw_running(idev)) { + if (!__ionic_is_fw_running(idev, &fw_status)) { fw_status_ready = false; } else { fw_generation = fw_status & IONIC_FW_STS_F_GENERATION; @@ -306,22 +319,32 @@ do_check_time: u8 ionic_dev_cmd_status(struct ionic_dev *idev) { + if (!idev->dev_cmd_regs) + return (u8)PCI_ERROR_RESPONSE; return ioread8(&idev->dev_cmd_regs->comp.comp.status); } bool ionic_dev_cmd_done(struct ionic_dev *idev) { + if (!idev->dev_cmd_regs) + return false; return ioread32(&idev->dev_cmd_regs->done) & IONIC_DEV_CMD_DONE; } void ionic_dev_cmd_comp(struct ionic_dev *idev, union ionic_dev_cmd_comp *comp) { + if (!idev->dev_cmd_regs) + return; memcpy_fromio(comp, &idev->dev_cmd_regs->comp, sizeof(*comp)); } void ionic_dev_cmd_go(struct ionic_dev *idev, union ionic_dev_cmd *cmd) { idev->opcode = cmd->cmd.opcode; + + if (!idev->dev_cmd_regs) + return; + memcpy_toio(&idev->dev_cmd_regs->cmd, cmd, sizeof(*cmd)); iowrite32(0, &idev->dev_cmd_regs->done); iowrite32(1, &idev->dev_cmd_regs->doorbell); @@ -470,46 +493,6 @@ int ionic_set_vf_config(struct ionic *ionic, int vf, return err; } -int ionic_dev_cmd_vf_getattr(struct ionic *ionic, int vf, u8 attr, - struct ionic_vf_getattr_comp *comp) -{ - union ionic_dev_cmd cmd = { - .vf_getattr.opcode = IONIC_CMD_VF_GETATTR, - .vf_getattr.attr = attr, - .vf_getattr.vf_index = cpu_to_le16(vf), - }; - int err; - - if (vf >= ionic->num_vfs) - return -EINVAL; - - switch (attr) { - case IONIC_VF_ATTR_SPOOFCHK: - case IONIC_VF_ATTR_TRUST: - case IONIC_VF_ATTR_LINKSTATE: - case IONIC_VF_ATTR_MAC: - case IONIC_VF_ATTR_VLAN: - case IONIC_VF_ATTR_RATE: - break; - case IONIC_VF_ATTR_STATSADDR: - default: - return -EINVAL; - } - - mutex_lock(&ionic->dev_cmd_lock); - ionic_dev_cmd_go(&ionic->idev, &cmd); - err = ionic_dev_cmd_wait_nomsg(ionic, DEVCMD_TIMEOUT); - memcpy_fromio(comp, &ionic->idev.dev_cmd_regs->comp.vf_getattr, - sizeof(*comp)); - mutex_unlock(&ionic->dev_cmd_lock); - - if (err && comp->status != IONIC_RC_ENOSUPP) - ionic_dev_cmd_dev_err_print(ionic, cmd.vf_getattr.opcode, - comp->status, err); - - return err; -} - void ionic_vf_start(struct ionic *ionic) { union ionic_dev_cmd cmd = { |