D31001.id91671.diff
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D31001.id91671.diff
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	Index: sys/dev/nvme/nvme.h
	===================================================================
	--- sys/dev/nvme/nvme.h
	+++ sys/dev/nvme/nvme.h
	@@ -612,7 +612,7 @@
	uint32_t cdw13; /* command-specific */
	uint32_t cdw14; /* command-specific */
	uint32_t cdw15; /* command-specific */
	-} __packed;
	+};

	_Static_assert(sizeof(struct nvme_command) == 16 * 4, "bad size for nvme_command");

	@@ -630,7 +630,7 @@
	/* dword 3 */
	uint16_t cid; /* command identifier */
	uint16_t status;
	-} __packed;
	+} __aligned(8); /* makes riscv64 generate better inner loop code */

	_Static_assert(sizeof(struct nvme_completion) == 4 * 4, "bad size for nvme_completion");

	@@ -638,7 +638,7 @@
	uint32_t attributes;
	uint32_t length;
	uint64_t starting_lba;
	-} __packed;
	+};

	/* Largest DSM Trim that can be done */
	#define NVME_MAX_DSM_TRIM 4096