staging: fsl-mc: update dpbp binary interface to v2.2
Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com> Acked-by: German Rivera <german.rivera@nxp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Stuart Yoder
Greg Kroah-Hartman
parent
f8274454bc
commit
6606c073a5
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@ -293,7 +293,7 @@ int dpbp_set_irq(struct fsl_mc_io *mc_io,
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cmd.params[0] |= mc_enc(0, 8, irq_index);
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cmd.params[0] |= mc_enc(32, 32, irq_cfg->val);
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cmd.params[1] |= mc_enc(0, 64, irq_cfg->addr);
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cmd.params[2] |= mc_enc(0, 32, irq_cfg->user_irq_id);
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cmd.params[2] |= mc_enc(0, 32, irq_cfg->irq_num);
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/* send command to mc*/
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return mc_send_command(mc_io, &cmd);
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@ -334,7 +334,7 @@ int dpbp_get_irq(struct fsl_mc_io *mc_io,
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/* retrieve response parameters */
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irq_cfg->val = (u32)mc_dec(cmd.params[0], 0, 32);
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irq_cfg->addr = (u64)mc_dec(cmd.params[1], 0, 64);
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irq_cfg->user_irq_id = (int)mc_dec(cmd.params[2], 0, 32);
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irq_cfg->irq_num = (int)mc_dec(cmd.params[2], 0, 32);
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*type = (int)mc_dec(cmd.params[2], 32, 32);
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return 0;
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}
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@ -502,6 +502,7 @@ int dpbp_get_irq_status(struct fsl_mc_io *mc_io,
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPBP_CMDID_GET_IRQ_STATUS,
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cmd_flags, token);
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cmd.params[0] |= mc_enc(0, 32, *status);
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cmd.params[0] |= mc_enc(32, 8, irq_index);
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/* send command to mc*/
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@ -580,3 +581,75 @@ int dpbp_get_attributes(struct fsl_mc_io *mc_io,
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return 0;
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}
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EXPORT_SYMBOL(dpbp_get_attributes);
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/**
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* dpbp_set_notifications() - Set notifications towards software
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPBP object
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* @cfg: notifications configuration
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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int dpbp_set_notifications(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token,
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struct dpbp_notification_cfg *cfg)
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{
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struct mc_command cmd = { 0 };
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPBP_CMDID_SET_NOTIFICATIONS,
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cmd_flags,
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token);
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cmd.params[0] |= mc_enc(0, 32, cfg->depletion_entry);
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cmd.params[0] |= mc_enc(32, 32, cfg->depletion_exit);
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cmd.params[1] |= mc_enc(0, 32, cfg->surplus_entry);
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cmd.params[1] |= mc_enc(32, 32, cfg->surplus_exit);
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cmd.params[2] |= mc_enc(0, 16, cfg->options);
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cmd.params[3] |= mc_enc(0, 64, cfg->message_ctx);
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cmd.params[4] |= mc_enc(0, 64, cfg->message_iova);
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/* send command to mc*/
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return mc_send_command(mc_io, &cmd);
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}
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/**
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* dpbp_get_notifications() - Get the notifications configuration
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPBP object
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* @cfg: notifications configuration
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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int dpbp_get_notifications(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token,
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struct dpbp_notification_cfg *cfg)
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{
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struct mc_command cmd = { 0 };
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int err;
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/* prepare command */
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cmd.header = mc_encode_cmd_header(DPBP_CMDID_GET_NOTIFICATIONS,
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cmd_flags,
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token);
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/* send command to mc*/
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err = mc_send_command(mc_io, &cmd);
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if (err)
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return err;
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/* retrieve response parameters */
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cfg->depletion_entry = (u32)mc_dec(cmd.params[0], 0, 32);
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cfg->depletion_exit = (u32)mc_dec(cmd.params[0], 32, 32);
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cfg->surplus_entry = (u32)mc_dec(cmd.params[1], 0, 32);
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cfg->surplus_exit = (u32)mc_dec(cmd.params[1], 32, 32);
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cfg->options = (u16)mc_dec(cmd.params[2], 0, 16);
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cfg->message_ctx = (u64)mc_dec(cmd.params[3], 0, 64);
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cfg->message_iova = (u64)mc_dec(cmd.params[4], 0, 64);
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return 0;
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}
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@ -34,7 +34,7 @@
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/* DPBP Version */
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#define DPBP_VER_MAJOR 2
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#define DPBP_VER_MINOR 1
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#define DPBP_VER_MINOR 2
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/* Command IDs */
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#define DPBP_CMDID_CLOSE 0x800
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@ -57,4 +57,6 @@
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#define DPBP_CMDID_GET_IRQ_STATUS 0x016
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#define DPBP_CMDID_CLEAR_IRQ_STATUS 0x017
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#define DPBP_CMDID_SET_NOTIFICATIONS 0x01b0
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#define DPBP_CMDID_GET_NOTIFICATIONS 0x01b1
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#endif /* _FSL_DPBP_CMD_H */
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@ -85,12 +85,12 @@ int dpbp_reset(struct fsl_mc_io *mc_io,
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* struct dpbp_irq_cfg - IRQ configuration
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* @addr: Address that must be written to signal a message-based interrupt
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* @val: Value to write into irq_addr address
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* @user_irq_id: A user defined number associated with this IRQ
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* @irq_num: A user defined number associated with this IRQ
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*/
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struct dpbp_irq_cfg {
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u64 addr;
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u32 val;
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int user_irq_id;
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int irq_num;
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};
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int dpbp_set_irq(struct fsl_mc_io *mc_io,
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@ -168,6 +168,53 @@ int dpbp_get_attributes(struct fsl_mc_io *mc_io,
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u16 token,
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struct dpbp_attr *attr);
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/**
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* DPBP notifications options
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*/
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/**
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* BPSCN write will attempt to allocate into a cache (coherent write)
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*/
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#define DPBP_NOTIF_OPT_COHERENT_WRITE 0x00000001
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/**
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* struct dpbp_notification_cfg - Structure representing DPBP notifications
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* towards software
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* @depletion_entry: below this threshold the pool is "depleted";
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* set it to '0' to disable it
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* @depletion_exit: greater than or equal to this threshold the pool exit its
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* "depleted" state
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* @surplus_entry: above this threshold the pool is in "surplus" state;
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* set it to '0' to disable it
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* @surplus_exit: less than or equal to this threshold the pool exit its
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* "surplus" state
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* @message_iova: MUST be given if either 'depletion_entry' or 'surplus_entry'
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* is not '0' (enable); I/O virtual address (must be in DMA-able memory),
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* must be 16B aligned.
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* @message_ctx: The context that will be part of the BPSCN message and will
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* be written to 'message_iova'
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* @options: Mask of available options; use 'DPBP_NOTIF_OPT_<X>' values
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*/
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struct dpbp_notification_cfg {
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u32 depletion_entry;
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u32 depletion_exit;
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u32 surplus_entry;
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u32 surplus_exit;
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u64 message_iova;
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u64 message_ctx;
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u16 options;
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};
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int dpbp_set_notifications(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token,
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struct dpbp_notification_cfg *cfg);
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int dpbp_get_notifications(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token,
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struct dpbp_notification_cfg *cfg);
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/** @} */
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#endif /* __FSL_DPBP_H */
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