/**
* hinic_port_set_state - set port state
* @nic_dev: nic device
* @state: the state to set
*
* Return 0 - Success, negative - Failure
**/
int hinic_port_set_state(struct hinic_dev *nic_dev, enum hinic_port_state state)
{
struct hinic_hwdev *hwdev = nic_dev->hwdev;
struct hinic_port_state_cmd port_state;
struct hinic_hwif *hwif = hwdev->hwif;
struct pci_dev *pdev = hwif->pdev;
u16 out_size;
int err;
if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif)) {
dev_err(&pdev->dev, "unsupported PCI Function type\n");
return -EINVAL;
}
port_state.state = state;
err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_PORT_STATE,
&port_state, sizeof(port_state),
&port_state, &out_size);
if (err || (out_size != sizeof(port_state)) || port_state.status) {
dev_err(&pdev->dev, "Failed to set port state, ret = %d\n",
port_state.status);
return -EFAULT;
}
return 0;
}
/**
* hinic_port_link_state - get the link state
* @nic_dev: nic device
* @link_state: the returned link state
*
* Return 0 - Success, negative - Failure
**/
int hinic_port_link_state(struct hinic_dev *nic_dev,
enum hinic_port_link_state *link_state)
{
struct hinic_hwdev *hwdev = nic_dev->hwdev;
struct hinic_hwif *hwif = hwdev->hwif;
struct hinic_port_link_cmd link_cmd;
struct pci_dev *pdev = hwif->pdev;
u16 out_size;
int err;
if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif)) {
dev_err(&pdev->dev, "unsupported PCI Function type\n");
return -EINVAL;
}
link_cmd.func_idx = HINIC_HWIF_FUNC_IDX(hwif);
err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_GET_LINK_STATE,
&link_cmd, sizeof(link_cmd),
&link_cmd, &out_size);
if (err || (out_size != sizeof(link_cmd)) || link_cmd.status) {
dev_err(&pdev->dev, "Failed to get link state, ret = %d\n",
link_cmd.status);
return -EINVAL;
}
*link_state = link_cmd.state;
return 0;
}
/**
* hinic_init_hwif - initialize the hw interface
* @hwif: the HW interface of a pci function device
* @pdev: the pci device for acessing PCI resources
*
* Return 0 - Success, negative - Failure
**/
int hinic_init_hwif(struct hinic_hwif *hwif, struct pci_dev *pdev)
{
int err;
hwif->pdev = pdev;
hwif->cfg_regs_bar = pci_ioremap_bar(pdev, HINIC_PCI_CFG_REGS_BAR);
if (!hwif->cfg_regs_bar) {
dev_err(&pdev->dev, "Failed to map configuration regs\n");
return -ENOMEM;
}
hwif->intr_regs_base = pci_ioremap_bar(pdev, HINIC_PCI_INTR_REGS_BAR);
if (!hwif->intr_regs_base) {
dev_err(&pdev->dev, "Failed to map configuration regs\n");
err = -ENOMEM;
goto err_map_intr_bar;
}
err = hwif_ready(hwif);
if (err) {
dev_err(&pdev->dev, "HW interface is not ready\n");
goto err_hwif_ready;
}
read_hwif_attr(hwif);
if (HINIC_IS_PF(hwif))
set_ppf(hwif);
/* No transactionss before DMA is initialized */
dma_attr_init(hwif);
return 0;
err_hwif_ready:
iounmap(hwif->intr_regs_base);
err_map_intr_bar:
iounmap(hwif->cfg_regs_bar);
return err;
}
/**
* init_cmdqs_ctxt - write the cmdq ctxt to HW after init all cmdq
* @hwdev: the NIC HW device
* @cmdqs: cmdqs to write the ctxts for
* &db_area: db_area for all the cmdqs
*
* Return 0 - Success, negative - Failure
**/
static int init_cmdqs_ctxt(struct hinic_hwdev *hwdev,
struct hinic_cmdqs *cmdqs, void __iomem **db_area)
{
struct hinic_hwif *hwif = hwdev->hwif;
enum hinic_cmdq_type type, cmdq_type;
struct hinic_cmdq_ctxt *cmdq_ctxts;
struct pci_dev *pdev = hwif->pdev;
struct hinic_pfhwdev *pfhwdev;
size_t cmdq_ctxts_size;
int err;
if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif)) {
dev_err(&pdev->dev, "Unsupported PCI function type\n");
return -EINVAL;
}
cmdq_ctxts_size = HINIC_MAX_CMDQ_TYPES * sizeof(*cmdq_ctxts);
cmdq_ctxts = devm_kzalloc(&pdev->dev, cmdq_ctxts_size, GFP_KERNEL);
if (!cmdq_ctxts)
return -ENOMEM;
pfhwdev = container_of(hwdev, struct hinic_pfhwdev, hwdev);
cmdq_type = HINIC_CMDQ_SYNC;
for (; cmdq_type < HINIC_MAX_CMDQ_TYPES; cmdq_type++) {
err = init_cmdq(&cmdqs->cmdq[cmdq_type],
&cmdqs->saved_wqs[cmdq_type], cmdq_type,
db_area[cmdq_type]);
if (err) {
dev_err(&pdev->dev, "Failed to initialize cmdq\n");
goto err_init_cmdq;
}
cmdq_init_queue_ctxt(&cmdq_ctxts[cmdq_type],
&cmdqs->cmdq[cmdq_type],
&cmdqs->cmdq_pages);
}
/* Write the CMDQ ctxts */
cmdq_type = HINIC_CMDQ_SYNC;
for (; cmdq_type < HINIC_MAX_CMDQ_TYPES; cmdq_type++) {
err = hinic_msg_to_mgmt(&pfhwdev->pf_to_mgmt, HINIC_MOD_COMM,
HINIC_COMM_CMD_CMDQ_CTXT_SET,
&cmdq_ctxts[cmdq_type],
sizeof(cmdq_ctxts[cmdq_type]),
NULL, NULL, HINIC_MGMT_MSG_SYNC);
if (err) {
dev_err(&pdev->dev, "Failed to set CMDQ CTXT type = %d\n",
cmdq_type);
goto err_write_cmdq_ctxt;
}
}
devm_kfree(&pdev->dev, cmdq_ctxts);
return 0;
err_write_cmdq_ctxt:
cmdq_type = HINIC_MAX_CMDQ_TYPES;
err_init_cmdq:
for (type = HINIC_CMDQ_SYNC; type < cmdq_type; type++)
free_cmdq(&cmdqs->cmdq[type]);
devm_kfree(&pdev->dev, cmdq_ctxts);
return err;
}
