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XHCI test sending noop command
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This commit is contained in:
Kamil Kowalczyk
2026-03-22 23:09:21 +01:00
parent 5cdeb87393
commit b35fc5545c
11 changed files with 360 additions and 31 deletions
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42
kernel/device/xhci.h
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@@ -1,6 +1,7 @@
#ifndef _KERNEL_DEVICE_XHCI_H
#define _KERNEL_DEVICE_XHCI_H
#include <aux/compiler.h>
#include <device/def_device_op.h>
#include <libk/list.h>
#include <libk/std.h>
@@ -8,16 +9,57 @@
#include <proc/reschedule.h>
#include <proc/suspension_q.h>
/* event ring segment table entry */
struct xhci_erst_entry {
uint64_t ptr;
uint32_t size;
uint32_t _rsvd;
} PACKED;
/* transfer request block */
struct xhci_trb {
uint64_t param;
uint32_t status;
uint32_t ctrl;
} PACKED;
struct xhci_init {
uintptr_t xhci_mmio_base;
bool irqs_support;
uint8_t irq;
};
struct xhci {
struct device* device;
bool irqs_support;
uint8_t irq;
uintptr_t xhci_mmio_base;
uintptr_t xhci_oper_base;
uintptr_t xhci_runtime_base;
uintptr_t xhci_doorbell_base;
uintptr_t* xhci_dcbaa;
uintptr_t xhci_dcbaa_phys;
uint32_t max_scratchpad;
struct xhci_trb* cmd_ring;
uintptr_t cmd_ring_phys;
uint32_t cmd_ring_idx;
uint32_t cmd_ring_size;
uint8_t cmd_cycle_bit;
struct xhci_trb* event_ring;
uintptr_t event_ring_phys;
uint32_t event_ring_idx;
uint32_t event_ring_size;
uint8_t event_cycle_bit;
struct xhci_erst_entry* erst;
uintptr_t erst_phys;
atomic_bool pending;
};
DEFINE_DEVICE_INIT (xhci_init);