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sfc_ef100: reset-handling stub 

We don't actually do the efx_mcdi_reset() because we don't have MCDI yet.

Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Edward Cree 2020-07-27 12:56:11 +01:00 committed by David S. Miller
parent 51b35a454e
commit c027f2a72a
1 changed files with 50 additions and 0 deletions
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50
drivers/net/ethernet/sfc/ef100_nic.c
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@ -26,6 +26,8 @@
#define EF100_MAX_VIS 4096 #define EF100_MAX_VIS 4096
#define EF100_RESET_PORT ((ETH_RESET_MAC | ETH_RESET_PHY) << ETH_RESET_SHARED_SHIFT)
/* MCDI /* MCDI
*/ */
static int ef100_get_warm_boot_count(struct efx_nic *efx) static int ef100_get_warm_boot_count(struct efx_nic *efx)
@ -75,6 +77,51 @@ static irqreturn_t ef100_msi_interrupt(int irq, void *dev_id)
return IRQ_HANDLED; return IRQ_HANDLED;
} }
/* Other
*/
static enum reset_type ef100_map_reset_reason(enum reset_type reason)
{
if (reason == RESET_TYPE_TX_WATCHDOG)
return reason;
return RESET_TYPE_DISABLE;
}
static int ef100_map_reset_flags(u32 *flags)
{
/* Only perform a RESET_TYPE_ALL because we don't support MC_REBOOTs */
if ((*flags & EF100_RESET_PORT)) {
*flags &= ~EF100_RESET_PORT;
return RESET_TYPE_ALL;
}
if (*flags & ETH_RESET_MGMT) {
*flags &= ~ETH_RESET_MGMT;
return RESET_TYPE_DISABLE;
}
return -EINVAL;
}
static int ef100_reset(struct efx_nic *efx, enum reset_type reset_type)
{
int rc;
dev_close(efx->net_dev);
if (reset_type == RESET_TYPE_TX_WATCHDOG) {
netif_device_attach(efx->net_dev);
__clear_bit(reset_type, &efx->reset_pending);
rc = dev_open(efx->net_dev, NULL);
} else if (reset_type == RESET_TYPE_ALL) {
netif_device_attach(efx->net_dev);
rc = dev_open(efx->net_dev, NULL);
} else {
rc = 1; /* Leave the device closed */
}
return rc;
}
/* NIC level access functions /* NIC level access functions
*/ */
const struct efx_nic_type ef100_pf_nic_type = { const struct efx_nic_type ef100_pf_nic_type = {
@ -86,6 +133,9 @@ const struct efx_nic_type ef100_pf_nic_type = {
.irq_disable_non_ev = efx_port_dummy_op_void, .irq_disable_non_ev = efx_port_dummy_op_void,
.push_irq_moderation = efx_channel_dummy_op_void, .push_irq_moderation = efx_channel_dummy_op_void,
.min_interrupt_mode = EFX_INT_MODE_MSIX, .min_interrupt_mode = EFX_INT_MODE_MSIX,
.map_reset_reason = ef100_map_reset_reason,
.map_reset_flags = ef100_map_reset_flags,
.reset = ef100_reset,
.ev_probe = ef100_ev_probe, .ev_probe = ef100_ev_probe,
.irq_handle_msi = ef100_msi_interrupt, .irq_handle_msi = ef100_msi_interrupt,