Differential D24893 Diff 71944 usr.sbin/bhyve/pci_nvme.c

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usr.sbin/bhyve/pci_nvme.c

Show First 20 Lines • Show All 1,869 Lines • ▼ Show 20 Lines	if (cmd->cdw11 & NVME_DSM_ATTR_DEALLOCATE) {
range = calloc(1, NVME_MAX_DSM_TRIM);		range = calloc(1, NVME_MAX_DSM_TRIM);
if (range == NULL) {		if (range == NULL) {
pci_nvme_status_genc(status, NVME_SC_INTERNAL_DEVICE_ERROR);		pci_nvme_status_genc(status, NVME_SC_INTERNAL_DEVICE_ERROR);
goto out;		goto out;
}		}
nvme_prp_memcpy(sc->nsc_pi->pi_vmctx, cmd->prp1, cmd->prp2,		nvme_prp_memcpy(sc->nsc_pi->pi_vmctx, cmd->prp1, cmd->prp2,
(uint8_t *)range, NVME_MAX_DSM_TRIM, NVME_COPY_FROM_PRP);		(uint8_t *)range, NVME_MAX_DSM_TRIM, NVME_COPY_FROM_PRP);

		if ((range[0].starting_lba * sectsz) > nvstore->size) {
		pci_nvme_status_genc(status, NVME_SC_LBA_OUT_OF_RANGE);
		goto out;
		}

/*		/*
* If the request is for more than a single range, store		* If the request is for more than a single range, store
* the ranges in the br_iov. Optimize for the common case		* the ranges in the br_iov. Optimize for the common case
* of a single range.		* of a single range.
*		*
* Note that NVMe Number of Ranges is a zero based value		* Note that NVMe Number of Ranges is a zero based value
*/		*/
nr = cmd->cdw10 & 0xff;		nr = cmd->cdw10 & 0xff;

req->io_req.br_iovcnt = 0;		req->io_req.br_iovcnt = 0;
req->io_req.br_offset = range[0].starting_lba * sectsz;		req->io_req.br_offset = range[0].starting_lba * sectsz;
req->io_req.br_resid = range[0].length * sectsz;		req->io_req.br_resid = range[0].length * sectsz;

if (nr == 0) {		if (nr == 0) {
req->io_req.br_callback = pci_nvme_io_done;		req->io_req.br_callback = pci_nvme_io_done;
} else {		} else {
struct iovec *iov = req->io_req.br_iov;		struct iovec *iov = req->io_req.br_iov;

for (r = 0; r <= nr; r++) {		for (r = 0; r <= nr; r++) {
		if ((range[r].starting_lba * sectsz) > nvstore->size) {
		pci_nvme_status_genc(status, NVME_SC_LBA_OUT_OF_RANGE);
		goto out;
		}
iov[r].iov_base = (void )(range[r].starting_lba sectsz);		iov[r].iov_base = (void )(range[r].starting_lba sectsz);
iov[r].iov_len = range[r].length * sectsz;		iov[r].iov_len = range[r].length * sectsz;
}		}
req->io_req.br_callback = pci_nvme_dealloc_sm;		req->io_req.br_callback = pci_nvme_dealloc_sm;

/*		/*
* Use prev_gpaddr to track the current entry and		* Use prev_gpaddr to track the current entry and
* prev_size to track the number of entries		* prev_size to track the number of entries
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