13b4463d8b
Remove the has_sg member from NvmeRequest since it's redundant. Signed-off-by: Klaus Jensen <k.jensen@samsung.com> Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com> Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
138 lines
3.3 KiB
C
138 lines
3.3 KiB
C
#ifndef HW_NVME_H
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#define HW_NVME_H
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#include "block/nvme.h"
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typedef struct NvmeParams {
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char *serial;
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uint32_t num_queues; /* deprecated since 5.1 */
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uint32_t max_ioqpairs;
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uint16_t msix_qsize;
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uint32_t cmb_size_mb;
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uint8_t aerl;
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uint32_t aer_max_queued;
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} NvmeParams;
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typedef struct NvmeAsyncEvent {
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QTAILQ_ENTRY(NvmeAsyncEvent) entry;
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NvmeAerResult result;
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} NvmeAsyncEvent;
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typedef struct NvmeRequest {
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struct NvmeSQueue *sq;
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BlockAIOCB *aiocb;
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uint16_t status;
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NvmeCqe cqe;
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BlockAcctCookie acct;
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QEMUSGList qsg;
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QEMUIOVector iov;
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QTAILQ_ENTRY(NvmeRequest)entry;
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} NvmeRequest;
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typedef struct NvmeSQueue {
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struct NvmeCtrl *ctrl;
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uint16_t sqid;
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uint16_t cqid;
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uint32_t head;
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uint32_t tail;
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uint32_t size;
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uint64_t dma_addr;
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QEMUTimer *timer;
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NvmeRequest *io_req;
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QTAILQ_HEAD(, NvmeRequest) req_list;
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QTAILQ_HEAD(, NvmeRequest) out_req_list;
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QTAILQ_ENTRY(NvmeSQueue) entry;
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} NvmeSQueue;
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typedef struct NvmeCQueue {
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struct NvmeCtrl *ctrl;
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uint8_t phase;
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uint16_t cqid;
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uint16_t irq_enabled;
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uint32_t head;
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uint32_t tail;
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uint32_t vector;
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uint32_t size;
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uint64_t dma_addr;
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QEMUTimer *timer;
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QTAILQ_HEAD(, NvmeSQueue) sq_list;
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QTAILQ_HEAD(, NvmeRequest) req_list;
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} NvmeCQueue;
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typedef struct NvmeNamespace {
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NvmeIdNs id_ns;
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} NvmeNamespace;
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static inline NvmeLBAF *nvme_ns_lbaf(NvmeNamespace *ns)
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{
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NvmeIdNs *id_ns = &ns->id_ns;
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return &id_ns->lbaf[NVME_ID_NS_FLBAS_INDEX(id_ns->flbas)];
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}
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static inline uint8_t nvme_ns_lbads(NvmeNamespace *ns)
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{
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return nvme_ns_lbaf(ns)->ds;
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}
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#define TYPE_NVME "nvme"
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#define NVME(obj) \
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OBJECT_CHECK(NvmeCtrl, (obj), TYPE_NVME)
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typedef struct NvmeFeatureVal {
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struct {
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uint16_t temp_thresh_hi;
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uint16_t temp_thresh_low;
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};
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uint32_t async_config;
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} NvmeFeatureVal;
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typedef struct NvmeCtrl {
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PCIDevice parent_obj;
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MemoryRegion iomem;
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MemoryRegion ctrl_mem;
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NvmeBar bar;
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BlockConf conf;
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NvmeParams params;
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bool qs_created;
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uint32_t page_size;
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uint16_t page_bits;
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uint16_t max_prp_ents;
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uint16_t cqe_size;
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uint16_t sqe_size;
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uint32_t reg_size;
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uint32_t num_namespaces;
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uint32_t max_q_ents;
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uint64_t ns_size;
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uint8_t outstanding_aers;
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uint8_t *cmbuf;
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uint32_t irq_status;
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uint64_t host_timestamp; /* Timestamp sent by the host */
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uint64_t timestamp_set_qemu_clock_ms; /* QEMU clock time */
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uint64_t starttime_ms;
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uint16_t temperature;
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HostMemoryBackend *pmrdev;
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uint8_t aer_mask;
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NvmeRequest **aer_reqs;
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QTAILQ_HEAD(, NvmeAsyncEvent) aer_queue;
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int aer_queued;
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NvmeNamespace *namespaces;
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NvmeSQueue **sq;
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NvmeCQueue **cq;
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NvmeSQueue admin_sq;
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NvmeCQueue admin_cq;
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NvmeIdCtrl id_ctrl;
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NvmeFeatureVal features;
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} NvmeCtrl;
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/* calculate the number of LBAs that the namespace can accomodate */
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static inline uint64_t nvme_ns_nlbas(NvmeCtrl *n, NvmeNamespace *ns)
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{
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return n->ns_size >> nvme_ns_lbads(ns);
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}
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#endif /* HW_NVME_H */
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