diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0134-bus-fsl-mc-Add-dprc-reset-container-support.patch')
-rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0134-bus-fsl-mc-Add-dprc-reset-container-support.patch | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0134-bus-fsl-mc-Add-dprc-reset-container-support.patch b/target/linux/layerscape/patches-5.4/701-net-0134-bus-fsl-mc-Add-dprc-reset-container-support.patch deleted file mode 100644 index a609905a9e..0000000000 --- a/target/linux/layerscape/patches-5.4/701-net-0134-bus-fsl-mc-Add-dprc-reset-container-support.patch +++ /dev/null @@ -1,99 +0,0 @@ -From 350201cc09a58dcf5c49f636238b01637f5ee06d Mon Sep 17 00:00:00 2001 -From: Laurentiu Tudor <laurentiu.tudor@nxp.com> -Date: Fri, 13 Apr 2018 11:35:10 +0300 -Subject: [PATCH] bus: fsl-mc: Add dprc-reset-container support - -DPRC-reset is required for VFIO and is missing from -mc-bus support. -This patch added reset-container support. - -Signed-off-by: Bharat Bhushan <Bharat.Bhushan@nxp.com> -Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com> ---- - drivers/bus/fsl-mc/dprc.c | 41 +++++++++++++++++++++++++++++++++++++ - drivers/bus/fsl-mc/fsl-mc-private.h | 10 +++++++++ - 2 files changed, 51 insertions(+) - ---- a/drivers/bus/fsl-mc/dprc.c -+++ b/drivers/bus/fsl-mc/dprc.c -@@ -73,6 +73,47 @@ int dprc_close(struct fsl_mc_io *mc_io, - EXPORT_SYMBOL_GPL(dprc_close); - - /** -+ * dprc_reset_container - Reset child container. -+ * @mc_io: Pointer to MC portal's I/O object -+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' -+ * @token: Token of DPRC object -+ * @child_container_id: ID of the container to reset -+ * -+ * In case a software context crashes or becomes non-responsive, the parent -+ * may wish to reset its resources container before the software context is -+ * restarted. -+ * -+ * This routine informs all objects assigned to the child container that the -+ * container is being reset, so they may perform any cleanup operations that are -+ * needed. All objects handles that were owned by the child container shall be -+ * closed. -+ * -+ * Note that such request may be submitted even if the child software context -+ * has not crashed, but the resulting object cleanup operations will not be -+ * aware of that. -+ * -+ * Return: '0' on Success; Error code otherwise. -+ */ -+int dprc_reset_container(struct fsl_mc_io *mc_io, -+ u32 cmd_flags, -+ u16 token, -+ int child_container_id) -+{ -+ struct fsl_mc_command cmd = { 0 }; -+ struct dprc_cmd_reset_container *cmd_params; -+ -+ /* prepare command */ -+ cmd.header = mc_encode_cmd_header(DPRC_CMDID_RESET_CONT, -+ cmd_flags, token); -+ cmd_params = (struct dprc_cmd_reset_container *)cmd.params; -+ cmd_params->child_container_id = cpu_to_le32(child_container_id); -+ -+ /* send command to mc*/ -+ return mc_send_command(mc_io, &cmd); -+} -+EXPORT_SYMBOL_GPL(dprc_reset_container); -+ -+/** - * dprc_set_irq() - Set IRQ information for the DPRC to trigger an interrupt. - * @mc_io: Pointer to MC portal's I/O object - * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' ---- a/drivers/bus/fsl-mc/fsl-mc-private.h -+++ b/drivers/bus/fsl-mc/fsl-mc-private.h -@@ -93,6 +93,7 @@ int dpmcp_reset(struct fsl_mc_io *mc_io, - #define DPRC_CMDID_GET_API_VERSION DPRC_CMD(0xa05) - - #define DPRC_CMDID_GET_ATTR DPRC_CMD(0x004) -+#define DPRC_CMDID_RESET_CONT DPRC_CMD(0x005) - - #define DPRC_CMDID_SET_IRQ DPRC_CMD(0x010) - #define DPRC_CMDID_SET_IRQ_ENABLE DPRC_CMD(0x012) -@@ -111,6 +112,10 @@ struct dprc_cmd_open { - __le32 container_id; - }; - -+struct dprc_cmd_reset_container { -+ __le32 child_container_id; -+}; -+ - struct dprc_cmd_set_irq { - /* cmd word 0 */ - __le32 irq_val; -@@ -394,6 +399,11 @@ int dprc_get_container_id(struct fsl_mc_ - u32 cmd_flags, - int *container_id); - -+int dprc_reset_container(struct fsl_mc_io *mc_io, -+ u32 cmd_flags, -+ u16 token, -+ int child_container_id); -+ - /* - * Data Path Buffer Pool (DPBP) API - */ |