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Differential D20945 Diff 59832 head/usr.sbin/bhyve/pci_nvme.c

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head/usr.sbin/bhyve/pci_nvme.c

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#define NVME_MMIO_SPACE_MIN (1 << 14) #define NVME_MMIO_SPACE_MIN (1 << 14)
#define NVME_QUEUES 16 #define NVME_QUEUES 16
#define NVME_MAX_QENTRIES 2048 #define NVME_MAX_QENTRIES 2048
#define NVME_PRP2_ITEMS (PAGE_SIZE/sizeof(uint64_t)) #define NVME_PRP2_ITEMS (PAGE_SIZE/sizeof(uint64_t))
#define NVME_MAX_BLOCKIOVS 512 #define NVME_MAX_BLOCKIOVS 512
/* This is a synthetic status code to indicate there is no status */
#define NVME_NO_STATUS 0xffff
#define NVME_COMPLETION_VALID(c) ((c).status != NVME_NO_STATUS)
/* helpers */ /* helpers */
/* Convert a zero-based value into a one-based value */ /* Convert a zero-based value into a one-based value */
#define ONE_BASED(zero) ((zero) + 1) #define ONE_BASED(zero) ((zero) + 1)
/* Convert a one-based value into a zero-based value */ /* Convert a one-based value into a zero-based value */
#define ZERO_BASED(one) ((one) - 1) #define ZERO_BASED(one) ((one) - 1)
/* Encode number of SQ's and CQ's for Set/Get Features */ /* Encode number of SQ's and CQ's for Set/Get Features */
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DPRINTF(("%s command GET_FEATURES\r\n", __func__)); DPRINTF(("%s command GET_FEATURES\r\n", __func__));
do_intr |= nvme_opc_get_features(sc, cmd, &compl); do_intr |= nvme_opc_get_features(sc, cmd, &compl);
break; break;
case NVME_OPC_ASYNC_EVENT_REQUEST: case NVME_OPC_ASYNC_EVENT_REQUEST:
DPRINTF(("%s command ASYNC_EVENT_REQ\r\n", __func__)); DPRINTF(("%s command ASYNC_EVENT_REQ\r\n", __func__));
/* XXX dont care, unhandled for now /* XXX dont care, unhandled for now
do_intr |= nvme_opc_async_event_req(sc, cmd, &compl); do_intr |= nvme_opc_async_event_req(sc, cmd, &compl);
*/ */
compl.status = NVME_NO_STATUS;
break; break;
default: default:
WPRINTF(("0x%x command is not implemented\r\n", WPRINTF(("0x%x command is not implemented\r\n",
cmd->opc)); cmd->opc));
pci_nvme_status_genc(&compl.status, NVME_SC_INVALID_OPCODE);
do_intr |= 1;
} }
/* for now skip async event generation */ if (NVME_COMPLETION_VALID(compl)) {
if (cmd->opc != NVME_OPC_ASYNC_EVENT_REQUEST) {
struct nvme_completion *cp; struct nvme_completion *cp;
int phase; int phase;
cq = &sc->compl_queues[0]; cq = &sc->compl_queues[0];
cp = &(cq->qbase)[cq->tail]; cp = &(cq->qbase)[cq->tail];
cp->cdw0 = compl.cdw0; cp->cdw0 = compl.cdw0;
cp->sqid = 0; cp->sqid = 0;
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