From 0afeb373b8404636770904da99d753a7d8d88eed Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Mon, 8 Apr 2024 23:03:00 -0400
Subject: kernel: nvme: Add drive read/write support

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 sys/include/dev/ic/nvmevar.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'sys/include/dev/ic')

diff --git a/sys/include/dev/ic/nvmevar.h b/sys/include/dev/ic/nvmevar.h
index 50f5ae0..52fa5ad 100644
--- a/sys/include/dev/ic/nvmevar.h
+++ b/sys/include/dev/ic/nvmevar.h
@@ -38,6 +38,7 @@
 #define NVME_OP_IDENTIFY        0x06
 
 /* I/O commands */
+#define NVME_OP_WRITE 0x01
 #define NVME_OP_READ 0x02
 
 struct nvme_common_cmd {
@@ -119,6 +120,7 @@ struct nvme_cmd {
         struct nvme_common_cmd common;
         struct nvme_create_iocq_cmd create_iocq;
         struct nvme_create_iosq_cmd create_iosq;
+        struct nvme_rw_cmd rw;
     };
 };
 
@@ -243,6 +245,7 @@ struct nvme_queue {
 struct nvme_state {
     struct nvme_queue adminq;
     struct nvme_bar *bar;
+    dev_t major;
 };
 
 /* NVMe namespace */
@@ -253,6 +256,7 @@ struct nvme_ns {
     struct nvme_queue ioq;      /* I/O queue */
     struct nvme_lbaf lba_fmt;   /* LBA format */
     struct nvme_state *cntl;    /* NVMe controller */
+    dev_t dev_id;
     TAILQ_ENTRY(nvme_ns) link;
 };
 
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