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Co-developed-by: Hayden Laccabue Signed-off-by: Hayden Laccabue Signed-off-by: David Zhang Signed-off-by: Lizhi Hou --- drivers/accel/amdxdna/aie4_msg_priv.h | 21 +++++++++++ drivers/accel/amdxdna/aie4_pci.c | 52 ++++++++++++++++++++++++++- drivers/accel/amdxdna/aie4_pci.h | 1 + 3 files changed, 73 insertions(+), 1 deletion(-) diff --git a/drivers/accel/amdxdna/aie4_msg_priv.h b/drivers/accel/amdxdna/aie4_msg_priv.h index 88463cc3a98a..cada53257921 100644 --- a/drivers/accel/amdxdna/aie4_msg_priv.h +++ b/drivers/accel/amdxdna/aie4_msg_priv.h @@ -13,6 +13,9 @@ enum aie4_msg_opcode { AIE4_MSG_OP_CREATE_VFS = 0x20001, AIE4_MSG_OP_DESTROY_VFS = 0x20002, + + AIE4_MSG_OP_CREATE_PARTITION = 0x30001, + AIE4_MSG_OP_DESTROY_PARTITION = 0x30002, }; enum aie4_msg_status { @@ -46,4 +49,22 @@ struct aie4_msg_destroy_vfs_resp { enum aie4_msg_status status; } __packed; +struct aie4_msg_create_partition_req { + __u32 partition_col_start; + __u32 partition_col_count; +} __packed; + +struct aie4_msg_create_partition_resp { + enum aie4_msg_status status; + __u32 partition_id; +} __packed; + +struct aie4_msg_destroy_partition_req { + __u32 partition_id; +} __packed; + +struct aie4_msg_destroy_partition_resp { + enum aie4_msg_status status; +} __packed; + #endif /* _AIE4_MSG_PRIV_H_ */ diff --git a/drivers/accel/amdxdna/aie4_pci.c b/drivers/accel/amdxdna/aie4_pci.c index a967e2db7ebd..13f5d45e388d 100644 --- a/drivers/accel/amdxdna/aie4_pci.c +++ b/drivers/accel/amdxdna/aie4_pci.c @@ -9,11 +9,16 @@ #include #include +#include "aie.h" +#include "aie4_msg_priv.h" #include "aie4_pci.h" +#include "amdxdna_mailbox.h" +#include "amdxdna_mailbox_helper.h" #include "amdxdna_pci_drv.h" #define NO_IOHUB 0 #define PSP_NOTIFY_INTR 0xD007BE11 +#define AIE4_TOTAL_COLUMN 3 /* * The management mailbox channel is allocated by firmware. @@ -234,6 +239,36 @@ static int aie4_fw_start(struct amdxdna_dev_hdl *ndev) return ret; } +static int aie4_partition_init(struct amdxdna_dev_hdl *ndev) +{ + DECLARE_AIE_MSG(aie4_msg_create_partition, AIE4_MSG_OP_CREATE_PARTITION); + struct amdxdna_dev *xdna = ndev->aie.xdna; + int ret; + + req.partition_col_start = 0; + req.partition_col_count = AIE4_TOTAL_COLUMN; + ret = aie_send_mgmt_msg_wait(&ndev->aie, &msg); + if (ret) { + XDNA_ERR(xdna, "partition init failed: %d", ret); + return ret; + } + + ndev->partition_id = resp.partition_id; + return 0; +} + +static void aie4_partition_fini(struct amdxdna_dev_hdl *ndev) +{ + DECLARE_AIE_MSG(aie4_msg_destroy_partition, AIE4_MSG_OP_DESTROY_PARTITION); + struct amdxdna_dev *xdna = ndev->aie.xdna; + int ret; + + req.partition_id = ndev->partition_id; + ret = aie_send_mgmt_msg_wait(&ndev->aie, &msg); + if (ret) + XDNA_ERR(xdna, "partition fini failed: %d", ret); +} + static int aie4_pf_hw_start(struct amdxdna_dev_hdl *ndev) { int ret; @@ -267,7 +302,21 @@ static void aie4_pf_hw_stop(struct amdxdna_dev_hdl *ndev) static int aie4_vf_hw_start(struct amdxdna_dev_hdl *ndev) { - return aie4_mailbox_init(ndev); + int ret; + + ret = aie4_mailbox_init(ndev); + if (ret) + return ret; + + ret = aie4_partition_init(ndev); + if (ret) + goto mailbox_fini; + + return 0; + +mailbox_fini: + aie4_mailbox_fini(ndev); + return ret; } static void aie4_vf_hw_stop(struct amdxdna_dev_hdl *ndev) @@ -276,6 +325,7 @@ static void aie4_vf_hw_stop(struct amdxdna_dev_hdl *ndev) drm_WARN_ON(&xdna->ddev, !mutex_is_locked(&xdna->dev_lock)); + aie4_partition_fini(ndev); aie4_mailbox_fini(ndev); } diff --git a/drivers/accel/amdxdna/aie4_pci.h b/drivers/accel/amdxdna/aie4_pci.h index cbf3424a4341..620fb5bd23e4 100644 --- a/drivers/accel/amdxdna/aie4_pci.h +++ b/drivers/accel/amdxdna/aie4_pci.h @@ -31,6 +31,7 @@ struct amdxdna_dev_hdl { void __iomem *rbuf_base; struct mailbox *mbox; + u32 partition_id; }; /* aie4_message.c */ -- 2.34.1