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nvnet: Clean up idle bit management

This commit is contained in:
Matt Borgerson 2025-06-19 01:55:06 -07:00 committed by mborgerson
parent bf72b3b33a
commit fded775222
1 changed files with 8 additions and 14 deletions
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22
hw/xbox/mcpx/nvnet/nvnet.c
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@ -225,10 +225,8 @@ static ssize_t nvnet_dma_packet_to_guest(NvNetState *s, const uint8_t *buf,
PCIDevice *d = PCI_DEVICE(s);
bool did_receive = false;
nvnet_set_reg(s, NVNET_TX_RX_CONTROL,
nvnet_get_reg(s, NVNET_TX_RX_CONTROL, 4) &
~NVNET_TX_RX_CONTROL_IDLE,
4);
uint32_t ctrl = nvnet_get_reg(s, NVNET_TX_RX_CONTROL, 4);
nvnet_set_reg(s, NVNET_TX_RX_CONTROL, ctrl & ~NVNET_TX_RX_CONTROL_IDLE, 4);
for (int i = 0; i < s->rx_ring_size; i++) {
struct RingDesc desc;
@ -272,9 +270,8 @@ static ssize_t nvnet_dma_packet_to_guest(NvNetState *s, const uint8_t *buf,
break;
}
nvnet_set_reg(
s, NVNET_TX_RX_CONTROL,
nvnet_get_reg(s, NVNET_TX_RX_CONTROL, 4) | NVNET_TX_RX_CONTROL_IDLE, 4);
ctrl = nvnet_get_reg(s, NVNET_TX_RX_CONTROL, 4);
nvnet_set_reg(s, NVNET_TX_RX_CONTROL, ctrl | NVNET_TX_RX_CONTROL_IDLE, 4);
if (did_receive) {
return size;
@ -289,10 +286,8 @@ static ssize_t nvnet_dma_packet_from_guest(NvNetState *s)
PCIDevice *d = PCI_DEVICE(s);
bool packet_sent = false;
nvnet_set_reg(s, NVNET_TX_RX_CONTROL,
nvnet_get_reg(s, NVNET_TX_RX_CONTROL, 4) &
~NVNET_TX_RX_CONTROL_IDLE,
4);
uint32_t ctrl = nvnet_get_reg(s, NVNET_TX_RX_CONTROL, 4);
nvnet_set_reg(s, NVNET_TX_RX_CONTROL, ctrl & ~NVNET_TX_RX_CONTROL_IDLE, 4);
for (int i = 0; i < s->tx_ring_size; i++) {
struct RingDesc desc;
@ -346,9 +341,8 @@ static ssize_t nvnet_dma_packet_from_guest(NvNetState *s)
nvnet_update_irq(s);
}
nvnet_set_reg(
s, NVNET_TX_RX_CONTROL,
nvnet_get_reg(s, NVNET_TX_RX_CONTROL, 4) | NVNET_TX_RX_CONTROL_IDLE, 4);
ctrl = nvnet_get_reg(s, NVNET_TX_RX_CONTROL, 4);
nvnet_set_reg(s, NVNET_TX_RX_CONTROL, ctrl | NVNET_TX_RX_CONTROL_IDLE, 4);
return 0;
}