72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
#include <sys/endian.h>
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#include "storage/driver_bdev.hh"
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#include "ntr.h"
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#include "spdk/bdev.h"
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#include "spdk/thread.h"
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birb_bdev_thread_context::birb_bdev_thread_context(birb_bdev_driver * driver) : io_channel(nullptr),
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status(birb_driver::BIRB_FAIL),
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driver(driver)
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{
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struct spdk_bdev_desc * desc = driver->get_bdev_desc();
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// obtain io channel
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this->io_channel = spdk_bdev_get_io_channel(desc);
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if (io_channel == nullptr) {
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ntr(NTR_DEP_USER1, NTR_LEVEL_ERROR, "birb_bdev_thread_context: could not create bdev I/O channel!\n");
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}
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this->status = birb_driver::BIRB_SUCCESS;
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}
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birb_driver::birb_driver_status
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birb_bdev_thread_context::get_status()
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{
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return this->status;
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}
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birb_bdev_thread_context::~birb_bdev_thread_context()
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{
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if (this->io_channel != nullptr) {
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spdk_put_io_channel(this->io_channel);
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}
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}
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/*
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* Callback function for io completion.
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*/
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void
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birb_bdev_thread_context::io_callback(struct spdk_bdev_io *bdev_io, bool success, void *cb_arg)
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{
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spdk_bdev_free_io(bdev_io);
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auto ctx = reinterpret_cast<struct cb_context *>(cb_arg);
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ctx->cb(success, ctx->ctx);
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delete ctx;
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}
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int
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birb_bdev_thread_context::read(size_t offset, size_t size, char * buffer, callback callback, void * context)
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{
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auto ctx = new struct cb_context;
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ctx->cb = callback;
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ctx->ctx = context;
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return spdk_bdev_read(driver->get_bdev_desc(), this->io_channel, buffer, offset, size, io_callback, reinterpret_cast<void*>(ctx));
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}
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int
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birb_bdev_thread_context::write(size_t offset, size_t size, char * buffer, callback callback, void * context)
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{
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auto ctx = new struct cb_context;
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ctx->cb = callback;
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ctx->ctx = context;
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return spdk_bdev_write(driver->get_bdev_desc(), this->io_channel, buffer, offset, size, io_callback, reinterpret_cast<void*>(ctx));
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}
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void
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birb_bdev_thread_context::poll()
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{
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return;
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} |