nvme.64.c File Reference

nvme driver. More...

#include <driver/nvme.h>
#include <pci.h>
#include <logging.h>
#include <memory/frame.h>
#include <memory/paging.h>
#include <time/timer.h>
#include <apic.h>
#include <hashmap.h>
#include <cpu/task.h>
#include <utils.h>

Functions
	MODULE ("turnstone.kernel.hw.drivers")
void	video_text_print (const char *str)
int8_t	nvme_isr (interrupt_frame_ext_t *frame)
int8_t	nvme_format (nvme_disk_t *nvme_disk)
int8_t	nvme_identify (nvme_disk_t *nvme_disk, uint32_t cns, uint32_t nsid, uint64_t data_address)
int8_t	nvme_enable_cache (nvme_disk_t *nvme_disk)
int8_t	nvme_set_queue_count (nvme_disk_t *nvme_disk, uint16_t io_sq_count, uint16_t io_cq_count)
future_t *	nvme_read_write (uint64_t disk_id, uint64_t lba, uint32_t size, uint8_t *buffer, boolean_t write)
int8_t	nvme_send_admin_command (nvme_disk_t *nvme_disk, uint8_t opcode, uint8_t fuse, uint32_t nsid, uint64_t mptr, uint64_t prp1, uint64_t prp2, uint32_t cdw10, uint32_t cdw11, uint32_t cdw12, uint32_t cdw13, uint32_t cdw14, uint32_t cdw15, uint32_t *sdw0)
static void	video_int_print (uint64_t i)
const nvme_disk_t *	nvme_get_disk_by_id (uint64_t disk_id)
int8_t	nvme_init (memory_heap_t *heap, list_t *nvme_pci_devices)
	initialize nvme devices More...
future_t *	nvme_read (uint64_t disk_id, uint64_t lba, uint32_t size, uint8_t *buffer)
future_t *	nvme_write (uint64_t disk_id, uint64_t lba, uint32_t size, uint8_t *buffer)
future_t *	nvme_flush (uint64_t disk_id)

Variables
hashmap_t *	nvme_disks = NULL
hashmap_t *	nvme_disk_isr_map = NULL

Detailed Description

nvme driver.

This work is licensed under TURNSTONE OS Public License. Please read and understand latest version of Licence.

Function Documentation

nvme_init()

int8_t nvme_init	(	memory_heap_t *	heap,
		list_t *	nvme_pci_devices
	)

initialize nvme devices

Parameters

[in]	heap	the heap for storing data
[in]	nvme_pci_devices	pci device list contains nvmes

Returns

nvme disk count