Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 136 insertions, 0 deletions

diff --git a/drivers/net/ethernet/intel/i40evf/i40e_adminq.h b/drivers/net/ethernet/intel/i40evf/i40e_adminq.h
new file mode 100644
index 000000000..1f264b9b6
--- /dev/null
+++ b/drivers/net/ethernet/intel/i40evf/i40e_adminq.h
@@ -0,0 +1,136 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2013 - 2018 Intel Corporation. */
+
+#ifndef _I40E_ADMINQ_H_
+#define _I40E_ADMINQ_H_
+
+#include "i40e_osdep.h"
+#include "i40e_status.h"
+#include "i40e_adminq_cmd.h"
+
+#define I40E_ADMINQ_DESC(R, i)   \
+	(&(((struct i40e_aq_desc *)((R).desc_buf.va))[i]))
+
+#define I40E_ADMINQ_DESC_ALIGNMENT 4096
+
+struct i40e_adminq_ring {
+	struct i40e_virt_mem dma_head;	/* space for dma structures */
+	struct i40e_dma_mem desc_buf;	/* descriptor ring memory */
+	struct i40e_virt_mem cmd_buf;	/* command buffer memory */
+
+	union {
+		struct i40e_dma_mem *asq_bi;
+		struct i40e_dma_mem *arq_bi;
+	} r;
+
+	u16 count;		/* Number of descriptors */
+	u16 rx_buf_len;		/* Admin Receive Queue buffer length */
+
+	/* used for interrupt processing */
+	u16 next_to_use;
+	u16 next_to_clean;
+
+	/* used for queue tracking */
+	u32 head;
+	u32 tail;
+	u32 len;
+	u32 bah;
+	u32 bal;
+};
+
+/* ASQ transaction details */
+struct i40e_asq_cmd_details {
+	void *callback; /* cast from type I40E_ADMINQ_CALLBACK */
+	u64 cookie;
+	u16 flags_ena;
+	u16 flags_dis;
+	bool async;
+	bool postpone;
+	struct i40e_aq_desc *wb_desc;
+};
+
+#define I40E_ADMINQ_DETAILS(R, i)   \
+	(&(((struct i40e_asq_cmd_details *)((R).cmd_buf.va))[i]))
+
+/* ARQ event information */
+struct i40e_arq_event_info {
+	struct i40e_aq_desc desc;
+	u16 msg_len;
+	u16 buf_len;
+	u8 *msg_buf;
+};
+
+/* Admin Queue information */
+struct i40e_adminq_info {
+	struct i40e_adminq_ring arq;    /* receive queue */
+	struct i40e_adminq_ring asq;    /* send queue */
+	u32 asq_cmd_timeout;            /* send queue cmd write back timeout*/
+	u16 num_arq_entries;            /* receive queue depth */
+	u16 num_asq_entries;            /* send queue depth */
+	u16 arq_buf_size;               /* receive queue buffer size */
+	u16 asq_buf_size;               /* send queue buffer size */
+	u16 fw_maj_ver;                 /* firmware major version */
+	u16 fw_min_ver;                 /* firmware minor version */
+	u32 fw_build;                   /* firmware build number */
+	u16 api_maj_ver;                /* api major version */
+	u16 api_min_ver;                /* api minor version */
+
+	struct mutex asq_mutex; /* Send queue lock */
+	struct mutex arq_mutex; /* Receive queue lock */
+
+	/* last status values on send and receive queues */
+	enum i40e_admin_queue_err asq_last_status;
+	enum i40e_admin_queue_err arq_last_status;
+};
+
+/**
+ * i40e_aq_rc_to_posix - convert errors to user-land codes
+ * aq_ret: AdminQ handler error code can override aq_rc
+ * aq_rc: AdminQ firmware error code to convert
+ **/
+static inline int i40e_aq_rc_to_posix(int aq_ret, int aq_rc)
+{
+	int aq_to_posix[] = {
+		0,           /* I40E_AQ_RC_OK */
+		-EPERM,      /* I40E_AQ_RC_EPERM */
+		-ENOENT,     /* I40E_AQ_RC_ENOENT */
+		-ESRCH,      /* I40E_AQ_RC_ESRCH */
+		-EINTR,      /* I40E_AQ_RC_EINTR */
+		-EIO,        /* I40E_AQ_RC_EIO */
+		-ENXIO,      /* I40E_AQ_RC_ENXIO */
+		-E2BIG,      /* I40E_AQ_RC_E2BIG */
+		-EAGAIN,     /* I40E_AQ_RC_EAGAIN */
+		-ENOMEM,     /* I40E_AQ_RC_ENOMEM */
+		-EACCES,     /* I40E_AQ_RC_EACCES */
+		-EFAULT,     /* I40E_AQ_RC_EFAULT */
+		-EBUSY,      /* I40E_AQ_RC_EBUSY */
+		-EEXIST,     /* I40E_AQ_RC_EEXIST */
+		-EINVAL,     /* I40E_AQ_RC_EINVAL */
+		-ENOTTY,     /* I40E_AQ_RC_ENOTTY */
+		-ENOSPC,     /* I40E_AQ_RC_ENOSPC */
+		-ENOSYS,     /* I40E_AQ_RC_ENOSYS */
+		-ERANGE,     /* I40E_AQ_RC_ERANGE */
+		-EPIPE,      /* I40E_AQ_RC_EFLUSHED */
+		-ESPIPE,     /* I40E_AQ_RC_BAD_ADDR */
+		-EROFS,      /* I40E_AQ_RC_EMODE */
+		-EFBIG,      /* I40E_AQ_RC_EFBIG */
+	};
+
+	/* aq_rc is invalid if AQ timed out */
+	if (aq_ret == I40E_ERR_ADMIN_QUEUE_TIMEOUT)
+		return -EAGAIN;
+
+	if (!((u32)aq_rc < (sizeof(aq_to_posix) / sizeof((aq_to_posix)[0]))))
+		return -ERANGE;
+
+	return aq_to_posix[aq_rc];
+}
+
+/* general information */
+#define I40E_AQ_LARGE_BUF	512
+#define I40E_ASQ_CMD_TIMEOUT	250000  /* usecs */
+
+void i40evf_fill_default_direct_cmd_desc(struct i40e_aq_desc *desc,
+				       u16 opcode);
+
+#endif /* _I40E_ADMINQ_H_ */