return 0;
}
-int aie2_check_protocol_version(struct amdxdna_dev_hdl *ndev)
-{
- DECLARE_AIE2_MSG(protocol_version, MSG_OP_GET_PROTOCOL_VERSION);
- struct amdxdna_dev *xdna = ndev->xdna;
- int ret;
-
- ret = aie2_send_mgmt_msg_wait(ndev, &msg);
- if (ret) {
- XDNA_ERR(xdna, "Failed to get protocol version, ret %d", ret);
- return ret;
- }
-
- if (resp.major != ndev->priv->protocol_major) {
- XDNA_ERR(xdna, "Incompatible firmware protocol version major %d minor %d",
- resp.major, resp.minor);
- return -EINVAL;
- }
-
- if (resp.minor < ndev->priv->protocol_minor) {
- XDNA_ERR(xdna, "Firmware minor version smaller than supported");
- return -EINVAL;
- }
-
- return 0;
-}
-
int aie2_assign_mgmt_pasid(struct amdxdna_dev_hdl *ndev, u16 pasid)
{
DECLARE_AIE2_MSG(assign_mgmt_pasid, MSG_OP_ASSIGN_MGMT_PASID);
* The related register and ring buffer information is on SRAM BAR.
* This struct is the register layout.
*/
+#define MGMT_MBOX_MAGIC 0x55504e5f /* _NPU */
struct mgmt_mbox_chann_info {
- u32 x2i_tail;
- u32 x2i_head;
- u32 x2i_buf;
- u32 x2i_buf_sz;
- u32 i2x_tail;
- u32 i2x_head;
- u32 i2x_buf;
- u32 i2x_buf_sz;
+ __u32 x2i_tail;
+ __u32 x2i_head;
+ __u32 x2i_buf;
+ __u32 x2i_buf_sz;
+ __u32 i2x_tail;
+ __u32 i2x_head;
+ __u32 i2x_buf;
+ __u32 i2x_buf_sz;
+ __u32 magic;
+ __u32 msi_id;
+ __u32 prot_major;
+ __u32 prot_minor;
+ __u32 rsvd[4];
};
+static int aie2_check_protocol(struct amdxdna_dev_hdl *ndev, u32 fw_major, u32 fw_minor)
+{
+ struct amdxdna_dev *xdna = ndev->xdna;
+
+ /*
+ * The driver supported mailbox behavior is defined by
+ * ndev->priv->protocol_major and protocol_minor.
+ *
+ * When protocol_major and fw_major are different, it means driver
+ * and firmware are incompatible.
+ */
+ if (ndev->priv->protocol_major != fw_major) {
+ XDNA_ERR(xdna, "Incompatible firmware protocol major %d minor %d",
+ fw_major, fw_minor);
+ return -EINVAL;
+ }
+
+ /*
+ * When protocol_minor is greater then fw_minor, that means driver
+ * relies on operation the installed firmware does not support.
+ */
+ if (ndev->priv->protocol_minor > fw_minor) {
+ XDNA_ERR(xdna, "Firmware minor version smaller than supported");
+ return -EINVAL;
+ }
+ return 0;
+}
+
static void aie2_dump_chann_info_debug(struct amdxdna_dev_hdl *ndev)
{
struct amdxdna_dev *xdna = ndev->xdna;
XDNA_DBG(xdna, "x2i ringbuf 0x%x", ndev->mgmt_x2i.rb_start_addr);
XDNA_DBG(xdna, "x2i rsize 0x%x", ndev->mgmt_x2i.rb_size);
XDNA_DBG(xdna, "x2i chann index 0x%x", ndev->mgmt_chan_idx);
+ XDNA_DBG(xdna, "mailbox protocol major 0x%x", ndev->mgmt_prot_major);
+ XDNA_DBG(xdna, "mailbox protocol minor 0x%x", ndev->mgmt_prot_minor);
}
static int aie2_get_mgmt_chann_info(struct amdxdna_dev_hdl *ndev)
for (i = 0; i < sizeof(info_regs) / sizeof(u32); i++)
reg[i] = readl(ndev->sram_base + off + i * sizeof(u32));
+ if (info_regs.magic != MGMT_MBOX_MAGIC) {
+ XDNA_ERR(ndev->xdna, "Invalid mbox magic 0x%x", info_regs.magic);
+ ret = -EINVAL;
+ goto done;
+ }
+
i2x = &ndev->mgmt_i2x;
x2i = &ndev->mgmt_x2i;
x2i->mb_tail_ptr_reg = AIE2_MBOX_OFF(ndev, info_regs.x2i_tail);
x2i->rb_start_addr = AIE2_SRAM_OFF(ndev, info_regs.x2i_buf);
x2i->rb_size = info_regs.x2i_buf_sz;
- ndev->mgmt_chan_idx = CHANN_INDEX(ndev, x2i->rb_start_addr);
+ ndev->mgmt_chan_idx = info_regs.msi_id;
+ ndev->mgmt_prot_major = info_regs.prot_major;
+ ndev->mgmt_prot_minor = info_regs.prot_minor;
+
+ ret = aie2_check_protocol(ndev, ndev->mgmt_prot_major, ndev->mgmt_prot_minor);
+
+done:
aie2_dump_chann_info_debug(ndev);
/* Must clear address at FW_ALIVE_OFF */
writel(0, SRAM_GET_ADDR(ndev, FW_ALIVE_OFF));
- return 0;
+ return ret;
}
int aie2_runtime_cfg(struct amdxdna_dev_hdl *ndev,
{
int ret;
- ret = aie2_check_protocol_version(ndev);
- if (ret) {
- XDNA_ERR(ndev->xdna, "Check header hash failed");
- return ret;
- }
-
ret = aie2_runtime_cfg(ndev, AIE2_RT_CFG_INIT, NULL);
if (ret) {
XDNA_ERR(ndev->xdna, "Runtime config failed");
})
#define CHAN_SLOT_SZ SZ_8K
-#define CHANN_INDEX(ndev, rbuf_off) \
- (((rbuf_off) - SRAM_REG_OFF((ndev), MBOX_CHANN_OFF)) / CHAN_SLOT_SZ)
-
#define MBOX_SIZE(ndev) \
({ \
typeof(ndev) _ndev = (ndev); \
struct xdna_mailbox_chann_res mgmt_x2i;
struct xdna_mailbox_chann_res mgmt_i2x;
u32 mgmt_chan_idx;
+ u32 mgmt_prot_major;
+ u32 mgmt_prot_minor;
u32 total_col;
struct aie_version version;
int aie2_resume_fw(struct amdxdna_dev_hdl *ndev);
int aie2_set_runtime_cfg(struct amdxdna_dev_hdl *ndev, u32 type, u64 value);
int aie2_get_runtime_cfg(struct amdxdna_dev_hdl *ndev, u32 type, u64 *value);
-int aie2_check_protocol_version(struct amdxdna_dev_hdl *ndev);
int aie2_assign_mgmt_pasid(struct amdxdna_dev_hdl *ndev, u16 pasid);
int aie2_query_aie_version(struct amdxdna_dev_hdl *ndev, struct aie_version *version);
int aie2_query_aie_metadata(struct amdxdna_dev_hdl *ndev, struct aie_metadata *metadata);
projects / thirdparty / kernel / linux.git / commitdiff
