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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
commitb4b7ff4b08e691656c9d77c758fc355833128ac0 (patch)
tree82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /drivers/staging/fsl-mc
parent35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff)
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'drivers/staging/fsl-mc')
-rw-r--r--drivers/staging/fsl-mc/bus/dpbp.c356
-rw-r--r--drivers/staging/fsl-mc/bus/dpmcp-cmd.h81
-rw-r--r--drivers/staging/fsl-mc/bus/dpmcp.c316
-rw-r--r--drivers/staging/fsl-mc/bus/dpmcp.h220
-rw-r--r--drivers/staging/fsl-mc/bus/dpmng.c31
-rw-r--r--drivers/staging/fsl-mc/bus/dprc-cmd.h7
-rw-r--r--drivers/staging/fsl-mc/bus/dprc-driver.c12
-rw-r--r--drivers/staging/fsl-mc/bus/dprc.c955
-rw-r--r--drivers/staging/fsl-mc/bus/mc-allocator.c98
-rw-r--r--drivers/staging/fsl-mc/bus/mc-bus.c136
-rw-r--r--drivers/staging/fsl-mc/bus/mc-sys.c208
-rw-r--r--drivers/staging/fsl-mc/include/dpbp-cmd.h2
-rw-r--r--drivers/staging/fsl-mc/include/dpbp.h303
-rw-r--r--drivers/staging/fsl-mc/include/dpcon-cmd.h62
-rw-r--r--drivers/staging/fsl-mc/include/dpmng.h33
-rw-r--r--drivers/staging/fsl-mc/include/dprc.h638
-rw-r--r--drivers/staging/fsl-mc/include/mc-cmd.h52
-rw-r--r--drivers/staging/fsl-mc/include/mc-private.h19
-rw-r--r--drivers/staging/fsl-mc/include/mc-sys.h55
-rw-r--r--drivers/staging/fsl-mc/include/mc.h18
20 files changed, 2194 insertions, 1408 deletions
diff --git a/drivers/staging/fsl-mc/bus/dpbp.c b/drivers/staging/fsl-mc/bus/dpbp.c
index d99ab6d0b..2d97173f8 100644
--- a/drivers/staging/fsl-mc/bus/dpbp.c
+++ b/drivers/staging/fsl-mc/bus/dpbp.c
@@ -34,14 +34,34 @@
#include "../include/dpbp.h"
#include "../include/dpbp-cmd.h"
-int dpbp_open(struct fsl_mc_io *mc_io, int dpbp_id, uint16_t *token)
+/**
+ * dpbp_open() - Open a control session for the specified object.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @dpbp_id: DPBP unique ID
+ * @token: Returned token; use in subsequent API calls
+ *
+ * This function can be used to open a control session for an
+ * already created object; an object may have been declared in
+ * the DPL or by calling the dpbp_create function.
+ * This function returns a unique authentication token,
+ * associated with the specific object ID and the specific MC
+ * portal; this token must be used in all subsequent commands for
+ * this specific object
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpbp_open(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ int dpbp_id,
+ u16 *token)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPBP_CMDID_OPEN,
- MC_CMD_PRI_LOW, 0);
+ cmd_flags, 0);
cmd.params[0] |= mc_enc(0, 32, dpbp_id);
/* send command to mc*/
@@ -56,12 +76,25 @@ int dpbp_open(struct fsl_mc_io *mc_io, int dpbp_id, uint16_t *token)
}
EXPORT_SYMBOL(dpbp_open);
-int dpbp_close(struct fsl_mc_io *mc_io, uint16_t token)
+/**
+ * dpbp_close() - Close the control session of the object
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPBP object
+ *
+ * After this function is called, no further operations are
+ * allowed on the object without opening a new control session.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpbp_close(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token)
{
struct mc_command cmd = { 0 };
/* prepare command */
- cmd.header = mc_encode_cmd_header(DPBP_CMDID_CLOSE, MC_CMD_PRI_HIGH,
+ cmd.header = mc_encode_cmd_header(DPBP_CMDID_CLOSE, cmd_flags,
token);
/* send command to mc*/
@@ -69,9 +102,31 @@ int dpbp_close(struct fsl_mc_io *mc_io, uint16_t token)
}
EXPORT_SYMBOL(dpbp_close);
+/**
+ * dpbp_create() - Create the DPBP object.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @cfg: Configuration structure
+ * @token: Returned token; use in subsequent API calls
+ *
+ * Create the DPBP object, allocate required resources and
+ * perform required initialization.
+ *
+ * The object can be created either by declaring it in the
+ * DPL file, or by calling this function.
+ * This function returns a unique authentication token,
+ * associated with the specific object ID and the specific MC
+ * portal; this token must be used in all subsequent calls to
+ * this specific object. For objects that are created using the
+ * DPL file, call dpbp_open function to get an authentication
+ * token first.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpbp_create(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
const struct dpbp_cfg *cfg,
- uint16_t *token)
+ u16 *token)
{
struct mc_command cmd = { 0 };
int err;
@@ -80,7 +135,7 @@ int dpbp_create(struct fsl_mc_io *mc_io,
/* prepare command */
cmd.header = mc_encode_cmd_header(DPBP_CMDID_CREATE,
- MC_CMD_PRI_LOW, 0);
+ cmd_flags, 0);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
@@ -93,24 +148,44 @@ int dpbp_create(struct fsl_mc_io *mc_io,
return 0;
}
-int dpbp_destroy(struct fsl_mc_io *mc_io, uint16_t token)
+/**
+ * dpbp_destroy() - Destroy the DPBP object and release all its resources.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPBP object
+ *
+ * Return: '0' on Success; error code otherwise.
+ */
+int dpbp_destroy(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPBP_CMDID_DESTROY,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
-int dpbp_enable(struct fsl_mc_io *mc_io, uint16_t token)
+/**
+ * dpbp_enable() - Enable the DPBP.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPBP object
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpbp_enable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token)
{
struct mc_command cmd = { 0 };
/* prepare command */
- cmd.header = mc_encode_cmd_header(DPBP_CMDID_ENABLE, MC_CMD_PRI_LOW,
+ cmd.header = mc_encode_cmd_header(DPBP_CMDID_ENABLE, cmd_flags,
token);
/* send command to mc*/
@@ -118,25 +193,47 @@ int dpbp_enable(struct fsl_mc_io *mc_io, uint16_t token)
}
EXPORT_SYMBOL(dpbp_enable);
-int dpbp_disable(struct fsl_mc_io *mc_io, uint16_t token)
+/**
+ * dpbp_disable() - Disable the DPBP.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPBP object
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpbp_disable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPBP_CMDID_DISABLE,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
EXPORT_SYMBOL(dpbp_disable);
-int dpbp_is_enabled(struct fsl_mc_io *mc_io, uint16_t token, int *en)
+/**
+ * dpbp_is_enabled() - Check if the DPBP is enabled.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPBP object
+ * @en: Returns '1' if object is enabled; '0' otherwise
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpbp_is_enabled(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ int *en)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
- cmd.header = mc_encode_cmd_header(DPBP_CMDID_IS_ENABLED, MC_CMD_PRI_LOW,
+ cmd.header = mc_encode_cmd_header(DPBP_CMDID_IS_ENABLED, cmd_flags,
token);
/* send command to mc*/
@@ -150,53 +247,83 @@ int dpbp_is_enabled(struct fsl_mc_io *mc_io, uint16_t token, int *en)
return 0;
}
-int dpbp_reset(struct fsl_mc_io *mc_io, uint16_t token)
+/**
+ * dpbp_reset() - Reset the DPBP, returns the object to initial state.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPBP object
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpbp_reset(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPBP_CMDID_RESET,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dpbp_set_irq() - Set IRQ information for the DPBP 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_'
+ * @token: Token of DPBP object
+ * @irq_index: Identifies the interrupt index to configure
+ * @irq_cfg: IRQ configuration
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpbp_set_irq(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint64_t irq_paddr,
- uint32_t irq_val,
- int user_irq_id)
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ struct dpbp_irq_cfg *irq_cfg)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPBP_CMDID_SET_IRQ,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(0, 8, irq_index);
- cmd.params[0] |= mc_enc(32, 32, irq_val);
- cmd.params[1] |= mc_enc(0, 64, irq_paddr);
- cmd.params[2] |= mc_enc(0, 32, user_irq_id);
+ cmd.params[0] |= mc_enc(32, 32, irq_cfg->val);
+ cmd.params[1] |= mc_enc(0, 64, irq_cfg->addr);
+ cmd.params[2] |= mc_enc(0, 32, irq_cfg->user_irq_id);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dpbp_get_irq() - Get IRQ information from the DPBP.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPBP object
+ * @irq_index: The interrupt index to configure
+ * @type: Interrupt type: 0 represents message interrupt
+ * type (both irq_addr and irq_val are valid)
+ * @irq_cfg: IRQ attributes
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpbp_get_irq(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
int *type,
- uint64_t *irq_paddr,
- uint32_t *irq_val,
- int *user_irq_id)
+ struct dpbp_irq_cfg *irq_cfg)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPBP_CMDID_GET_IRQ,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(32, 8, irq_index);
/* send command to mc*/
@@ -205,23 +332,39 @@ int dpbp_get_irq(struct fsl_mc_io *mc_io,
return err;
/* retrieve response parameters */
- *irq_val = (uint32_t)mc_dec(cmd.params[0], 0, 32);
- *irq_paddr = (uint64_t)mc_dec(cmd.params[1], 0, 64);
- *user_irq_id = (int)mc_dec(cmd.params[2], 0, 32);
+ irq_cfg->val = (u32)mc_dec(cmd.params[0], 0, 32);
+ irq_cfg->addr = (u64)mc_dec(cmd.params[1], 0, 64);
+ irq_cfg->user_irq_id = (int)mc_dec(cmd.params[2], 0, 32);
*type = (int)mc_dec(cmd.params[2], 32, 32);
return 0;
}
+/**
+ * dpbp_set_irq_enable() - Set overall interrupt state.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPBP object
+ * @irq_index: The interrupt index to configure
+ * @en: Interrupt state - enable = 1, disable = 0
+ *
+ * Allows GPP software to control when interrupts are generated.
+ * Each interrupt can have up to 32 causes. The enable/disable control's the
+ * overall interrupt state. if the interrupt is disabled no causes will cause
+ * an interrupt.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpbp_set_irq_enable(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint8_t en)
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u8 en)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPBP_CMDID_SET_IRQ_ENABLE,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(0, 8, en);
cmd.params[0] |= mc_enc(32, 8, irq_index);
@@ -229,17 +372,28 @@ int dpbp_set_irq_enable(struct fsl_mc_io *mc_io,
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dpbp_get_irq_enable() - Get overall interrupt state
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPBP object
+ * @irq_index: The interrupt index to configure
+ * @en: Returned interrupt state - enable = 1, disable = 0
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpbp_get_irq_enable(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint8_t *en)
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u8 *en)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPBP_CMDID_GET_IRQ_ENABLE,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(32, 8, irq_index);
/* send command to mc*/
@@ -248,20 +402,37 @@ int dpbp_get_irq_enable(struct fsl_mc_io *mc_io,
return err;
/* retrieve response parameters */
- *en = (uint8_t)mc_dec(cmd.params[0], 0, 8);
+ *en = (u8)mc_dec(cmd.params[0], 0, 8);
return 0;
}
+/**
+ * dpbp_set_irq_mask() - Set interrupt mask.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPBP object
+ * @irq_index: The interrupt index to configure
+ * @mask: Event mask to trigger interrupt;
+ * each bit:
+ * 0 = ignore event
+ * 1 = consider event for asserting IRQ
+ *
+ * Every interrupt can have up to 32 causes and the interrupt model supports
+ * masking/unmasking each cause independently
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpbp_set_irq_mask(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint32_t mask)
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 mask)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPBP_CMDID_SET_IRQ_MASK,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(0, 32, mask);
cmd.params[0] |= mc_enc(32, 8, irq_index);
@@ -269,17 +440,31 @@ int dpbp_set_irq_mask(struct fsl_mc_io *mc_io,
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dpbp_get_irq_mask() - Get interrupt mask.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPBP object
+ * @irq_index: The interrupt index to configure
+ * @mask: Returned event mask to trigger interrupt
+ *
+ * Every interrupt can have up to 32 causes and the interrupt model supports
+ * masking/unmasking each cause independently
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpbp_get_irq_mask(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint32_t *mask)
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 *mask)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPBP_CMDID_GET_IRQ_MASK,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(32, 8, irq_index);
/* send command to mc*/
@@ -288,21 +473,35 @@ int dpbp_get_irq_mask(struct fsl_mc_io *mc_io,
return err;
/* retrieve response parameters */
- *mask = (uint32_t)mc_dec(cmd.params[0], 0, 32);
+ *mask = (u32)mc_dec(cmd.params[0], 0, 32);
return 0;
}
+/**
+ * dpbp_get_irq_status() - Get the current status of any pending interrupts.
+ *
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPBP object
+ * @irq_index: The interrupt index to configure
+ * @status: Returned interrupts status - one bit per cause:
+ * 0 = no interrupt pending
+ * 1 = interrupt pending
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpbp_get_irq_status(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint32_t *status)
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 *status)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPBP_CMDID_GET_IRQ_STATUS,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(32, 8, irq_index);
/* send command to mc*/
@@ -311,20 +510,34 @@ int dpbp_get_irq_status(struct fsl_mc_io *mc_io,
return err;
/* retrieve response parameters */
- *status = (uint32_t)mc_dec(cmd.params[0], 0, 32);
+ *status = (u32)mc_dec(cmd.params[0], 0, 32);
return 0;
}
+/**
+ * dpbp_clear_irq_status() - Clear a pending interrupt's status
+ *
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPBP object
+ * @irq_index: The interrupt index to configure
+ * @status: Bits to clear (W1C) - one bit per cause:
+ * 0 = don't change
+ * 1 = clear status bit
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpbp_clear_irq_status(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint32_t status)
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 status)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPBP_CMDID_CLEAR_IRQ_STATUS,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(0, 32, status);
cmd.params[0] |= mc_enc(32, 8, irq_index);
@@ -332,8 +545,19 @@ int dpbp_clear_irq_status(struct fsl_mc_io *mc_io,
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dpbp_get_attributes - Retrieve DPBP attributes.
+ *
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPBP object
+ * @attr: Returned object's attributes
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpbp_get_attributes(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
struct dpbp_attr *attr)
{
struct mc_command cmd = { 0 };
@@ -341,7 +565,7 @@ int dpbp_get_attributes(struct fsl_mc_io *mc_io,
/* prepare command */
cmd.header = mc_encode_cmd_header(DPBP_CMDID_GET_ATTR,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
@@ -349,10 +573,10 @@ int dpbp_get_attributes(struct fsl_mc_io *mc_io,
return err;
/* retrieve response parameters */
- attr->bpid = (uint16_t)mc_dec(cmd.params[0], 16, 16);
+ attr->bpid = (u16)mc_dec(cmd.params[0], 16, 16);
attr->id = (int)mc_dec(cmd.params[0], 32, 32);
- attr->version.major = (uint16_t)mc_dec(cmd.params[1], 0, 16);
- attr->version.minor = (uint16_t)mc_dec(cmd.params[1], 16, 16);
+ attr->version.major = (u16)mc_dec(cmd.params[1], 0, 16);
+ attr->version.minor = (u16)mc_dec(cmd.params[1], 16, 16);
return 0;
}
EXPORT_SYMBOL(dpbp_get_attributes);
diff --git a/drivers/staging/fsl-mc/bus/dpmcp-cmd.h b/drivers/staging/fsl-mc/bus/dpmcp-cmd.h
index 57f326b60..a87e9f84f 100644
--- a/drivers/staging/fsl-mc/bus/dpmcp-cmd.h
+++ b/drivers/staging/fsl-mc/bus/dpmcp-cmd.h
@@ -34,7 +34,7 @@
/* DPMCP Version */
#define DPMCP_VER_MAJOR 2
-#define DPMCP_VER_MINOR 0
+#define DPMCP_VER_MINOR 1
/* Command IDs */
#define DPMCP_CMDID_CLOSE 0x800
@@ -54,83 +54,4 @@
#define DPMCP_CMDID_GET_IRQ_STATUS 0x016
#define DPMCP_CMDID_CLEAR_IRQ_STATUS 0x017
-/* cmd, param, offset, width, type, arg_name */
-#define DPMCP_CMD_CREATE(cmd, cfg) \
- MC_CMD_OP(cmd, 0, 0, 32, int, cfg->portal_id)
-
-/* cmd, param, offset, width, type, arg_name */
-#define DPMCP_CMD_SET_IRQ(cmd, irq_index, irq_addr, irq_val, user_irq_id) \
-do { \
- MC_CMD_OP(cmd, 0, 0, 8, uint8_t, irq_index);\
- MC_CMD_OP(cmd, 0, 32, 32, uint32_t, irq_val);\
- MC_CMD_OP(cmd, 1, 0, 64, uint64_t, irq_addr); \
- MC_CMD_OP(cmd, 2, 0, 32, int, user_irq_id); \
-} while (0)
-
-/* cmd, param, offset, width, type, arg_name */
-#define DPMCP_CMD_GET_IRQ(cmd, irq_index) \
- MC_CMD_OP(cmd, 0, 32, 8, uint8_t, irq_index)
-
-/* cmd, param, offset, width, type, arg_name */
-#define DPMCP_RSP_GET_IRQ(cmd, type, irq_addr, irq_val, user_irq_id) \
-do { \
- MC_RSP_OP(cmd, 0, 0, 32, uint32_t, irq_val); \
- MC_RSP_OP(cmd, 1, 0, 64, uint64_t, irq_addr); \
- MC_RSP_OP(cmd, 2, 0, 32, int, user_irq_id); \
- MC_RSP_OP(cmd, 2, 32, 32, int, type); \
-} while (0)
-
-/* cmd, param, offset, width, type, arg_name */
-#define DPMCP_CMD_SET_IRQ_ENABLE(cmd, irq_index, en) \
-do { \
- MC_CMD_OP(cmd, 0, 0, 8, uint8_t, en); \
- MC_CMD_OP(cmd, 0, 32, 8, uint8_t, irq_index);\
-} while (0)
-
-/* cmd, param, offset, width, type, arg_name */
-#define DPMCP_CMD_GET_IRQ_ENABLE(cmd, irq_index) \
- MC_CMD_OP(cmd, 0, 32, 8, uint8_t, irq_index)
-
-/* cmd, param, offset, width, type, arg_name */
-#define DPMCP_RSP_GET_IRQ_ENABLE(cmd, en) \
- MC_RSP_OP(cmd, 0, 0, 8, uint8_t, en)
-
-/* cmd, param, offset, width, type, arg_name */
-#define DPMCP_CMD_SET_IRQ_MASK(cmd, irq_index, mask) \
-do { \
- MC_CMD_OP(cmd, 0, 0, 32, uint32_t, mask);\
- MC_CMD_OP(cmd, 0, 32, 8, uint8_t, irq_index);\
-} while (0)
-
-/* cmd, param, offset, width, type, arg_name */
-#define DPMCP_CMD_GET_IRQ_MASK(cmd, irq_index) \
- MC_CMD_OP(cmd, 0, 32, 8, uint8_t, irq_index)
-
-/* cmd, param, offset, width, type, arg_name */
-#define DPMCP_RSP_GET_IRQ_MASK(cmd, mask) \
- MC_RSP_OP(cmd, 0, 0, 32, uint32_t, mask)
-
-/* cmd, param, offset, width, type, arg_name */
-#define DPMCP_CMD_GET_IRQ_STATUS(cmd, irq_index) \
- MC_CMD_OP(cmd, 0, 32, 8, uint8_t, irq_index)
-
-/* cmd, param, offset, width, type, arg_name */
-#define DPMCP_RSP_GET_IRQ_STATUS(cmd, status) \
- MC_RSP_OP(cmd, 0, 0, 32, uint32_t, status)
-
-/* cmd, param, offset, width, type, arg_name */
-#define DPMCP_CMD_CLEAR_IRQ_STATUS(cmd, irq_index, status) \
-do { \
- MC_CMD_OP(cmd, 0, 0, 32, uint32_t, status); \
- MC_CMD_OP(cmd, 0, 32, 8, uint8_t, irq_index);\
-} while (0)
-
-/* cmd, param, offset, width, type, arg_name */
-#define DPMCP_RSP_GET_ATTRIBUTES(cmd, attr) \
-do { \
- MC_RSP_OP(cmd, 0, 32, 32, int, attr->id);\
- MC_RSP_OP(cmd, 1, 0, 16, uint16_t, attr->version.major);\
- MC_RSP_OP(cmd, 1, 16, 16, uint16_t, attr->version.minor);\
-} while (0)
-
#endif /* _FSL_DPMCP_CMD_H */
diff --git a/drivers/staging/fsl-mc/bus/dpmcp.c b/drivers/staging/fsl-mc/bus/dpmcp.c
index 6b9da5b7f..b0248f574 100644
--- a/drivers/staging/fsl-mc/bus/dpmcp.c
+++ b/drivers/staging/fsl-mc/bus/dpmcp.c
@@ -34,14 +34,34 @@
#include "dpmcp.h"
#include "dpmcp-cmd.h"
-int dpmcp_open(struct fsl_mc_io *mc_io, int dpmcp_id, uint16_t *token)
+/**
+ * dpmcp_open() - Open a control session for the specified object.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @dpmcp_id: DPMCP unique ID
+ * @token: Returned token; use in subsequent API calls
+ *
+ * This function can be used to open a control session for an
+ * already created object; an object may have been declared in
+ * the DPL or by calling the dpmcp_create function.
+ * This function returns a unique authentication token,
+ * associated with the specific object ID and the specific MC
+ * portal; this token must be used in all subsequent commands for
+ * this specific object
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpmcp_open(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ int dpmcp_id,
+ u16 *token)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMCP_CMDID_OPEN,
- MC_CMD_PRI_LOW, 0);
+ cmd_flags, 0);
cmd.params[0] |= mc_enc(0, 32, dpmcp_id);
/* send command to mc*/
@@ -55,28 +75,63 @@ int dpmcp_open(struct fsl_mc_io *mc_io, int dpmcp_id, uint16_t *token)
return err;
}
-int dpmcp_close(struct fsl_mc_io *mc_io, uint16_t token)
+/**
+ * dpmcp_close() - Close the control session of the object
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPMCP object
+ *
+ * After this function is called, no further operations are
+ * allowed on the object without opening a new control session.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpmcp_close(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token)
{
struct mc_command cmd = { 0 };
/* prepare command */
- cmd.header = mc_encode_cmd_header(DPMCP_CMDID_CLOSE, MC_CMD_PRI_HIGH,
- token);
+ cmd.header = mc_encode_cmd_header(DPMCP_CMDID_CLOSE,
+ cmd_flags, token);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dpmcp_create() - Create the DPMCP object.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @cfg: Configuration structure
+ * @token: Returned token; use in subsequent API calls
+ *
+ * Create the DPMCP object, allocate required resources and
+ * perform required initialization.
+ *
+ * The object can be created either by declaring it in the
+ * DPL file, or by calling this function.
+ * This function returns a unique authentication token,
+ * associated with the specific object ID and the specific MC
+ * portal; this token must be used in all subsequent calls to
+ * this specific object. For objects that are created using the
+ * DPL file, call dpmcp_open function to get an authentication
+ * token first.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpmcp_create(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
const struct dpmcp_cfg *cfg,
- uint16_t *token)
+ u16 *token)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMCP_CMDID_CREATE,
- MC_CMD_PRI_LOW, 0);
+ cmd_flags, 0);
cmd.params[0] |= mc_enc(0, 32, cfg->portal_id);
/* send command to mc*/
@@ -90,65 +145,105 @@ int dpmcp_create(struct fsl_mc_io *mc_io,
return 0;
}
-int dpmcp_destroy(struct fsl_mc_io *mc_io, uint16_t token)
+/**
+ * dpmcp_destroy() - Destroy the DPMCP object and release all its resources.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPMCP object
+ *
+ * Return: '0' on Success; error code otherwise.
+ */
+int dpmcp_destroy(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMCP_CMDID_DESTROY,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
-int dpmcp_reset(struct fsl_mc_io *mc_io, uint16_t token)
+/**
+ * dpmcp_reset() - Reset the DPMCP, returns the object to initial state.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPMCP object
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpmcp_reset(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMCP_CMDID_RESET,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dpmcp_set_irq() - Set IRQ information for the DPMCP 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_'
+ * @token: Token of DPMCP object
+ * @irq_index: Identifies the interrupt index to configure
+ * @irq_cfg: IRQ configuration
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpmcp_set_irq(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint64_t irq_addr,
- uint32_t irq_val,
- int user_irq_id)
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ struct dpmcp_irq_cfg *irq_cfg)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMCP_CMDID_SET_IRQ,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(0, 8, irq_index);
- cmd.params[0] |= mc_enc(32, 32, irq_val);
- cmd.params[1] |= mc_enc(0, 64, irq_addr);
- cmd.params[2] |= mc_enc(0, 32, user_irq_id);
+ cmd.params[0] |= mc_enc(32, 32, irq_cfg->val);
+ cmd.params[1] |= mc_enc(0, 64, irq_cfg->paddr);
+ cmd.params[2] |= mc_enc(0, 32, irq_cfg->user_irq_id);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dpmcp_get_irq() - Get IRQ information from the DPMCP.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPMCP object
+ * @irq_index: The interrupt index to configure
+ * @type: Interrupt type: 0 represents message interrupt
+ * type (both irq_addr and irq_val are valid)
+ * @irq_cfg: IRQ attributes
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpmcp_get_irq(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- int *type,
- uint64_t *irq_addr,
- uint32_t *irq_val,
- int *user_irq_id)
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ int *type,
+ struct dpmcp_irq_cfg *irq_cfg)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMCP_CMDID_GET_IRQ,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(32, 8, irq_index);
/* send command to mc*/
@@ -157,23 +252,39 @@ int dpmcp_get_irq(struct fsl_mc_io *mc_io,
return err;
/* retrieve response parameters */
- *irq_val = (uint32_t)mc_dec(cmd.params[0], 0, 32);
- *irq_addr = (uint64_t)mc_dec(cmd.params[1], 0, 64);
- *user_irq_id = (int)mc_dec(cmd.params[2], 0, 32);
+ irq_cfg->val = (u32)mc_dec(cmd.params[0], 0, 32);
+ irq_cfg->paddr = (u64)mc_dec(cmd.params[1], 0, 64);
+ irq_cfg->user_irq_id = (int)mc_dec(cmd.params[2], 0, 32);
*type = (int)mc_dec(cmd.params[2], 32, 32);
return 0;
}
+/**
+ * dpmcp_set_irq_enable() - Set overall interrupt state.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPMCP object
+ * @irq_index: The interrupt index to configure
+ * @en: Interrupt state - enable = 1, disable = 0
+ *
+ * Allows GPP software to control when interrupts are generated.
+ * Each interrupt can have up to 32 causes. The enable/disable control's the
+ * overall interrupt state. if the interrupt is disabled no causes will cause
+ * an interrupt.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpmcp_set_irq_enable(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint8_t en)
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u8 en)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMCP_CMDID_SET_IRQ_ENABLE,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(0, 8, en);
cmd.params[0] |= mc_enc(32, 8, irq_index);
@@ -181,17 +292,28 @@ int dpmcp_set_irq_enable(struct fsl_mc_io *mc_io,
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dpmcp_get_irq_enable() - Get overall interrupt state
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPMCP object
+ * @irq_index: The interrupt index to configure
+ * @en: Returned interrupt state - enable = 1, disable = 0
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpmcp_get_irq_enable(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint8_t *en)
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u8 *en)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMCP_CMDID_GET_IRQ_ENABLE,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(32, 8, irq_index);
/* send command to mc*/
@@ -200,20 +322,37 @@ int dpmcp_get_irq_enable(struct fsl_mc_io *mc_io,
return err;
/* retrieve response parameters */
- *en = (uint8_t)mc_dec(cmd.params[0], 0, 8);
+ *en = (u8)mc_dec(cmd.params[0], 0, 8);
return 0;
}
+/**
+ * dpmcp_set_irq_mask() - Set interrupt mask.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPMCP object
+ * @irq_index: The interrupt index to configure
+ * @mask: Event mask to trigger interrupt;
+ * each bit:
+ * 0 = ignore event
+ * 1 = consider event for asserting IRQ
+ *
+ * Every interrupt can have up to 32 causes and the interrupt model supports
+ * masking/unmasking each cause independently
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpmcp_set_irq_mask(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint32_t mask)
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 mask)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMCP_CMDID_SET_IRQ_MASK,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(0, 32, mask);
cmd.params[0] |= mc_enc(32, 8, irq_index);
@@ -221,17 +360,31 @@ int dpmcp_set_irq_mask(struct fsl_mc_io *mc_io,
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dpmcp_get_irq_mask() - Get interrupt mask.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPMCP object
+ * @irq_index: The interrupt index to configure
+ * @mask: Returned event mask to trigger interrupt
+ *
+ * Every interrupt can have up to 32 causes and the interrupt model supports
+ * masking/unmasking each cause independently
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpmcp_get_irq_mask(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint32_t *mask)
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 *mask)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMCP_CMDID_GET_IRQ_MASK,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(32, 8, irq_index);
/* send command to mc*/
@@ -240,21 +393,35 @@ int dpmcp_get_irq_mask(struct fsl_mc_io *mc_io,
return err;
/* retrieve response parameters */
- *mask = (uint32_t)mc_dec(cmd.params[0], 0, 32);
+ *mask = (u32)mc_dec(cmd.params[0], 0, 32);
return 0;
}
+/**
+ * dpmcp_get_irq_status() - Get the current status of any pending interrupts.
+ *
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPMCP object
+ * @irq_index: The interrupt index to configure
+ * @status: Returned interrupts status - one bit per cause:
+ * 0 = no interrupt pending
+ * 1 = interrupt pending
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpmcp_get_irq_status(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint32_t *status)
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 *status)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMCP_CMDID_GET_IRQ_STATUS,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(32, 8, irq_index);
/* send command to mc*/
@@ -263,20 +430,34 @@ int dpmcp_get_irq_status(struct fsl_mc_io *mc_io,
return err;
/* retrieve response parameters */
- *status = (uint32_t)mc_dec(cmd.params[0], 0, 32);
+ *status = (u32)mc_dec(cmd.params[0], 0, 32);
return 0;
}
+/**
+ * dpmcp_clear_irq_status() - Clear a pending interrupt's status
+ *
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPMCP object
+ * @irq_index: The interrupt index to configure
+ * @status: Bits to clear (W1C) - one bit per cause:
+ * 0 = don't change
+ * 1 = clear status bit
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpmcp_clear_irq_status(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint32_t status)
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 status)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMCP_CMDID_CLEAR_IRQ_STATUS,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(0, 32, status);
cmd.params[0] |= mc_enc(32, 8, irq_index);
@@ -284,16 +465,27 @@ int dpmcp_clear_irq_status(struct fsl_mc_io *mc_io,
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dpmcp_get_attributes - Retrieve DPMCP attributes.
+ *
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPMCP object
+ * @attr: Returned object's attributes
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpmcp_get_attributes(struct fsl_mc_io *mc_io,
- uint16_t token,
- struct dpmcp_attr *attr)
+ u32 cmd_flags,
+ u16 token,
+ struct dpmcp_attr *attr)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMCP_CMDID_GET_ATTR,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
@@ -302,7 +494,7 @@ int dpmcp_get_attributes(struct fsl_mc_io *mc_io,
/* retrieve response parameters */
attr->id = (int)mc_dec(cmd.params[0], 32, 32);
- attr->version.major = (uint16_t)mc_dec(cmd.params[1], 0, 16);
- attr->version.minor = (uint16_t)mc_dec(cmd.params[1], 16, 16);
+ attr->version.major = (u16)mc_dec(cmd.params[1], 0, 16);
+ attr->version.minor = (u16)mc_dec(cmd.params[1], 16, 16);
return 0;
}
diff --git a/drivers/staging/fsl-mc/bus/dpmcp.h b/drivers/staging/fsl-mc/bus/dpmcp.h
index 5e7c21952..6df351f0c 100644
--- a/drivers/staging/fsl-mc/bus/dpmcp.h
+++ b/drivers/staging/fsl-mc/bus/dpmcp.h
@@ -38,41 +38,20 @@
struct fsl_mc_io;
-/**
- * dpmcp_open() - Open a control session for the specified object.
- * @mc_io: Pointer to MC portal's I/O object
- * @dpmcp_id: DPMCP unique ID
- * @token: Returned token; use in subsequent API calls
- *
- * This function can be used to open a control session for an
- * already created object; an object may have been declared in
- * the DPL or by calling the dpmcp_create function.
- * This function returns a unique authentication token,
- * associated with the specific object ID and the specific MC
- * portal; this token must be used in all subsequent commands for
- * this specific object
- *
- * Return: '0' on Success; Error code otherwise.
- */
-int dpmcp_open(struct fsl_mc_io *mc_io, int dpmcp_id, uint16_t *token);
+int dpmcp_open(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ int dpmcp_id,
+ uint16_t *token);
/* Get portal ID from pool */
#define DPMCP_GET_PORTAL_ID_FROM_POOL (-1)
-/**
- * dpmcp_close() - Close the control session of the object
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPMCP object
- *
- * After this function is called, no further operations are
- * allowed on the object without opening a new control session.
- *
- * Return: '0' on Success; Error code otherwise.
- */
-int dpmcp_close(struct fsl_mc_io *mc_io, uint16_t token);
+int dpmcp_close(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token);
/**
- * struct dpmcp_cfg() - Structure representing DPMCP configuration
+ * struct dpmcp_cfg - Structure representing DPMCP configuration
* @portal_id: Portal ID; 'DPMCP_GET_PORTAL_ID_FROM_POOL' to get the portal ID
* from pool
*/
@@ -80,199 +59,82 @@ struct dpmcp_cfg {
int portal_id;
};
-/**
- * dpmcp_create() - Create the DPMCP object.
- * @mc_io: Pointer to MC portal's I/O object
- * @cfg: Configuration structure
- * @token: Returned token; use in subsequent API calls
- *
- * Create the DPMCP object, allocate required resources and
- * perform required initialization.
- *
- * The object can be created either by declaring it in the
- * DPL file, or by calling this function.
- * This function returns a unique authentication token,
- * associated with the specific object ID and the specific MC
- * portal; this token must be used in all subsequent calls to
- * this specific object. For objects that are created using the
- * DPL file, call dpmcp_open function to get an authentication
- * token first.
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dpmcp_create(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
const struct dpmcp_cfg *cfg,
uint16_t *token);
-/**
- * dpmcp_destroy() - Destroy the DPMCP object and release all its resources.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPMCP object
- *
- * Return: '0' on Success; error code otherwise.
- */
-int dpmcp_destroy(struct fsl_mc_io *mc_io, uint16_t token);
+int dpmcp_destroy(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token);
-/**
- * dpmcp_reset() - Reset the DPMCP, returns the object to initial state.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPMCP object
- *
- * Return: '0' on Success; Error code otherwise.
- */
-int dpmcp_reset(struct fsl_mc_io *mc_io, uint16_t token);
+int dpmcp_reset(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token);
/* IRQ */
-/*!
- * @name dpmcp IRQ Index and Events
- */
+/* IRQ Index */
#define DPMCP_IRQ_INDEX 0
-/*!< Irq index */
+/* irq event - Indicates that the link state changed */
#define DPMCP_IRQ_EVENT_CMD_DONE 0x00000001
-/*!< irq event - Indicates that the link state changed */
-/* @} */
/**
- * dpmcp_set_irq() - Set IRQ information for the DPMCP to trigger an interrupt.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPMCP object
- * @irq_index: Identifies the interrupt index to configure
- * @irq_addr: Address that must be written to
- * signal a message-based interrupt
- * @irq_val: Value to write into irq_addr address
+ * struct dpmcp_irq_cfg - IRQ configuration
+ * @paddr: Address that must be written to signal a message-based interrupt
+ * @val: Value to write into irq_addr address
* @user_irq_id: A user defined number associated with this IRQ
- *
- * Return: '0' on Success; Error code otherwise.
*/
+struct dpmcp_irq_cfg {
+ uint64_t paddr;
+ uint32_t val;
+ int user_irq_id;
+};
+
int dpmcp_set_irq(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
uint16_t token,
uint8_t irq_index,
- uint64_t irq_addr,
- uint32_t irq_val,
- int user_irq_id);
+ struct dpmcp_irq_cfg *irq_cfg);
-/**
- * dpmcp_get_irq() - Get IRQ information from the DPMCP.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPMCP object
- * @irq_index: The interrupt index to configure
- * @type: Interrupt type: 0 represents message interrupt
- * type (both irq_addr and irq_val are valid)
- * @irq_addr: Returned address that must be written to
- * signal the message-based interrupt
- * @irq_val: Value to write into irq_addr address
- * @user_irq_id: A user defined number associated with this IRQ
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dpmcp_get_irq(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
uint16_t token,
uint8_t irq_index,
int *type,
- uint64_t *irq_addr,
- uint32_t *irq_val,
- int *user_irq_id);
+ struct dpmcp_irq_cfg *irq_cfg);
-/**
- * dpmcp_set_irq_enable() - Set overall interrupt state.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPMCP object
- * @irq_index: The interrupt index to configure
- * @en: Interrupt state - enable = 1, disable = 0
- *
- * Allows GPP software to control when interrupts are generated.
- * Each interrupt can have up to 32 causes. The enable/disable control's the
- * overall interrupt state. if the interrupt is disabled no causes will cause
- * an interrupt.
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dpmcp_set_irq_enable(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
uint16_t token,
uint8_t irq_index,
uint8_t en);
-/**
- * dpmcp_get_irq_enable() - Get overall interrupt state
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPMCP object
- * @irq_index: The interrupt index to configure
- * @en: Returned interrupt state - enable = 1, disable = 0
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dpmcp_get_irq_enable(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
uint16_t token,
uint8_t irq_index,
uint8_t *en);
-/**
- * dpmcp_set_irq_mask() - Set interrupt mask.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPMCP object
- * @irq_index: The interrupt index to configure
- * @mask: Event mask to trigger interrupt;
- * each bit:
- * 0 = ignore event
- * 1 = consider event for asserting IRQ
- *
- * Every interrupt can have up to 32 causes and the interrupt model supports
- * masking/unmasking each cause independently
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dpmcp_set_irq_mask(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
uint16_t token,
uint8_t irq_index,
uint32_t mask);
-/**
- * dpmcp_get_irq_mask() - Get interrupt mask.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPMCP object
- * @irq_index: The interrupt index to configure
- * @mask: Returned event mask to trigger interrupt
- *
- * Every interrupt can have up to 32 causes and the interrupt model supports
- * masking/unmasking each cause independently
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dpmcp_get_irq_mask(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
uint16_t token,
uint8_t irq_index,
uint32_t *mask);
-/**
- * dpmcp_get_irq_status() - Get the current status of any pending interrupts.
- *
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPMCP object
- * @irq_index: The interrupt index to configure
- * @status: Returned interrupts status - one bit per cause:
- * 0 = no interrupt pending
- * 1 = interrupt pending
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dpmcp_get_irq_status(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
uint16_t token,
uint8_t irq_index,
uint32_t *status);
-/**
- * dpmcp_clear_irq_status() - Clear a pending interrupt's status
- *
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPMCP object
- * @irq_index: The interrupt index to configure
- * @status: Bits to clear (W1C) - one bit per cause:
- * 0 = don't change
- * 1 = clear status bit
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dpmcp_clear_irq_status(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
uint16_t token,
uint8_t irq_index,
uint32_t status);
@@ -295,16 +157,8 @@ struct dpmcp_attr {
} version;
};
-/**
- * dpmcp_get_attributes - Retrieve DPMCP attributes.
- *
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPMCP object
- * @attr: Returned object's attributes
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dpmcp_get_attributes(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
uint16_t token,
struct dpmcp_attr *attr);
diff --git a/drivers/staging/fsl-mc/bus/dpmng.c b/drivers/staging/fsl-mc/bus/dpmng.c
index 58328e811..f633fcd86 100644
--- a/drivers/staging/fsl-mc/bus/dpmng.c
+++ b/drivers/staging/fsl-mc/bus/dpmng.c
@@ -34,14 +34,26 @@
#include "../include/dpmng.h"
#include "dpmng-cmd.h"
-int mc_get_version(struct fsl_mc_io *mc_io, struct mc_version *mc_ver_info)
+/**
+ * mc_get_version() - Retrieves the Management Complex firmware
+ * version information
+ * @mc_io: Pointer to opaque I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @mc_ver_info: Returned version information structure
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int mc_get_version(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ struct mc_version *mc_ver_info)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMNG_CMDID_GET_VERSION,
- MC_CMD_PRI_LOW, 0);
+ cmd_flags,
+ 0);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
@@ -56,14 +68,25 @@ int mc_get_version(struct fsl_mc_io *mc_io, struct mc_version *mc_ver_info)
return 0;
}
-int dpmng_get_container_id(struct fsl_mc_io *mc_io, int *container_id)
+/**
+ * dpmng_get_container_id() - Get container ID associated with a given portal.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @container_id: Requested container ID
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpmng_get_container_id(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ int *container_id)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPMNG_CMDID_GET_CONT_ID,
- MC_CMD_PRI_LOW, 0);
+ cmd_flags,
+ 0);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
diff --git a/drivers/staging/fsl-mc/bus/dprc-cmd.h b/drivers/staging/fsl-mc/bus/dprc-cmd.h
index 09202489c..6552c2034 100644
--- a/drivers/staging/fsl-mc/bus/dprc-cmd.h
+++ b/drivers/staging/fsl-mc/bus/dprc-cmd.h
@@ -41,7 +41,7 @@
#define _FSL_DPRC_CMD_H
/* DPRC Version */
-#define DPRC_VER_MAJOR 3
+#define DPRC_VER_MAJOR 4
#define DPRC_VER_MINOR 0
/* Command IDs */
@@ -72,12 +72,15 @@
#define DPRC_CMDID_GET_RES_COUNT 0x15B
#define DPRC_CMDID_GET_RES_IDS 0x15C
#define DPRC_CMDID_GET_OBJ_REG 0x15E
+#define DPRC_CMDID_SET_OBJ_IRQ 0x15F
+#define DPRC_CMDID_GET_OBJ_IRQ 0x160
+#define DPRC_CMDID_SET_OBJ_LABEL 0x161
+#define DPRC_CMDID_GET_OBJ_DESC 0x162
#define DPRC_CMDID_CONNECT 0x167
#define DPRC_CMDID_DISCONNECT 0x168
#define DPRC_CMDID_GET_POOL 0x169
#define DPRC_CMDID_GET_POOL_COUNT 0x16A
-#define DPRC_CMDID_GET_PORTAL_PADDR 0x16B
#define DPRC_CMDID_GET_CONNECTION 0x16C
diff --git a/drivers/staging/fsl-mc/bus/dprc-driver.c b/drivers/staging/fsl-mc/bus/dprc-driver.c
index 35c06cff1..2c4cd70b4 100644
--- a/drivers/staging/fsl-mc/bus/dprc-driver.c
+++ b/drivers/staging/fsl-mc/bus/dprc-driver.c
@@ -126,7 +126,7 @@ static void check_plugged_state_change(struct fsl_mc_device *mc_dev,
struct dprc_obj_desc *obj_desc)
{
int error;
- uint32_t plugged_flag_at_mc =
+ u32 plugged_flag_at_mc =
(obj_desc->state & DPRC_OBJ_STATE_PLUGGED);
if (plugged_flag_at_mc !=
@@ -262,6 +262,7 @@ int dprc_scan_objects(struct fsl_mc_device *mc_bus_dev)
struct dprc_obj_desc *child_obj_desc_array = NULL;
error = dprc_get_obj_count(mc_bus_dev->mc_io,
+ 0,
mc_bus_dev->mc_handle,
&num_child_objects);
if (error < 0) {
@@ -289,6 +290,7 @@ int dprc_scan_objects(struct fsl_mc_device *mc_bus_dev)
&child_obj_desc_array[i];
error = dprc_get_obj(mc_bus_dev->mc_io,
+ 0,
mc_bus_dev->mc_handle,
i, obj_desc);
if (error < 0) {
@@ -399,7 +401,7 @@ static int dprc_probe(struct fsl_mc_device *mc_dev)
return error;
}
- error = dprc_open(mc_dev->mc_io, mc_dev->obj_desc.id,
+ error = dprc_open(mc_dev->mc_io, 0, mc_dev->obj_desc.id,
&mc_dev->mc_handle);
if (error < 0) {
dev_err(&mc_dev->dev, "dprc_open() failed: %d\n", error);
@@ -419,7 +421,7 @@ static int dprc_probe(struct fsl_mc_device *mc_dev)
return 0;
error_cleanup_open:
- (void)dprc_close(mc_dev->mc_io, mc_dev->mc_handle);
+ (void)dprc_close(mc_dev->mc_io, 0, mc_dev->mc_handle);
error_cleanup_mc_io:
fsl_destroy_mc_io(mc_dev->mc_io);
@@ -447,7 +449,7 @@ static int dprc_remove(struct fsl_mc_device *mc_dev)
device_for_each_child(&mc_dev->dev, NULL, __fsl_mc_device_remove);
dprc_cleanup_all_resource_pools(mc_dev);
- error = dprc_close(mc_dev->mc_io, mc_dev->mc_handle);
+ error = dprc_close(mc_dev->mc_io, 0, mc_dev->mc_handle);
if (error < 0)
dev_err(&mc_dev->dev, "dprc_close() failed: %d\n", error);
@@ -480,7 +482,7 @@ int __init dprc_driver_init(void)
return fsl_mc_driver_register(&dprc_driver);
}
-void __exit dprc_driver_exit(void)
+void dprc_driver_exit(void)
{
fsl_mc_driver_unregister(&dprc_driver);
}
diff --git a/drivers/staging/fsl-mc/bus/dprc.c b/drivers/staging/fsl-mc/bus/dprc.c
index 19b26e630..381b9a96a 100644
--- a/drivers/staging/fsl-mc/bus/dprc.c
+++ b/drivers/staging/fsl-mc/bus/dprc.c
@@ -34,13 +34,27 @@
#include "../include/dprc.h"
#include "dprc-cmd.h"
-int dprc_open(struct fsl_mc_io *mc_io, int container_id, uint16_t *token)
+/**
+ * dprc_open() - Open DPRC object for use
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @container_id: Container ID to open
+ * @token: Returned token of DPRC object
+ *
+ * Return: '0' on Success; Error code otherwise.
+ *
+ * @warning Required before any operation on the object.
+ */
+int dprc_open(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ int container_id,
+ u16 *token)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
- cmd.header = mc_encode_cmd_header(DPRC_CMDID_OPEN, MC_CMD_PRI_LOW,
+ cmd.header = mc_encode_cmd_header(DPRC_CMDID_OPEN, cmd_flags,
0);
cmd.params[0] |= mc_enc(0, 32, container_id);
@@ -56,12 +70,25 @@ int dprc_open(struct fsl_mc_io *mc_io, int container_id, uint16_t *token)
}
EXPORT_SYMBOL(dprc_open);
-int dprc_close(struct fsl_mc_io *mc_io, uint16_t token)
+/**
+ * dprc_close() - Close the control session of the object
+ * @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
+ *
+ * After this function is called, no further operations are
+ * allowed on the object without opening a new control session.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprc_close(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token)
{
struct mc_command cmd = { 0 };
/* prepare command */
- cmd.header = mc_encode_cmd_header(DPRC_CMDID_CLOSE, MC_CMD_PRI_HIGH,
+ cmd.header = mc_encode_cmd_header(DPRC_CMDID_CLOSE, cmd_flags,
token);
/* send command to mc*/
@@ -69,11 +96,23 @@ int dprc_close(struct fsl_mc_io *mc_io, uint16_t token)
}
EXPORT_SYMBOL(dprc_close);
+/**
+ * dprc_create_container() - Create 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
+ * @cfg: Child container configuration
+ * @child_container_id: Returned child container ID
+ * @child_portal_offset: Returned child portal offset from MC portal base
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dprc_create_container(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
struct dprc_cfg *cfg,
int *child_container_id,
- uint64_t *child_portal_paddr)
+ u64 *child_portal_offset)
{
struct mc_command cmd = { 0 };
int err;
@@ -82,9 +121,25 @@ int dprc_create_container(struct fsl_mc_io *mc_io,
cmd.params[0] |= mc_enc(32, 16, cfg->icid);
cmd.params[0] |= mc_enc(0, 32, cfg->options);
cmd.params[1] |= mc_enc(32, 32, cfg->portal_id);
+ cmd.params[2] |= mc_enc(0, 8, cfg->label[0]);
+ cmd.params[2] |= mc_enc(8, 8, cfg->label[1]);
+ cmd.params[2] |= mc_enc(16, 8, cfg->label[2]);
+ cmd.params[2] |= mc_enc(24, 8, cfg->label[3]);
+ cmd.params[2] |= mc_enc(32, 8, cfg->label[4]);
+ cmd.params[2] |= mc_enc(40, 8, cfg->label[5]);
+ cmd.params[2] |= mc_enc(48, 8, cfg->label[6]);
+ cmd.params[2] |= mc_enc(56, 8, cfg->label[7]);
+ cmd.params[3] |= mc_enc(0, 8, cfg->label[8]);
+ cmd.params[3] |= mc_enc(8, 8, cfg->label[9]);
+ cmd.params[3] |= mc_enc(16, 8, cfg->label[10]);
+ cmd.params[3] |= mc_enc(24, 8, cfg->label[11]);
+ cmd.params[3] |= mc_enc(32, 8, cfg->label[12]);
+ cmd.params[3] |= mc_enc(40, 8, cfg->label[13]);
+ cmd.params[3] |= mc_enc(48, 8, cfg->label[14]);
+ cmd.params[3] |= mc_enc(56, 8, cfg->label[15]);
cmd.header = mc_encode_cmd_header(DPRC_CMDID_CREATE_CONT,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
@@ -93,55 +148,112 @@ int dprc_create_container(struct fsl_mc_io *mc_io,
/* retrieve response parameters */
*child_container_id = mc_dec(cmd.params[1], 0, 32);
- *child_portal_paddr = mc_dec(cmd.params[2], 0, 64);
+ *child_portal_offset = mc_dec(cmd.params[2], 0, 64);
return 0;
}
+/**
+ * dprc_destroy_container() - Destroy 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 destroy
+ *
+ * This function terminates the child container, so following this call the
+ * child container ID becomes invalid.
+ *
+ * Notes:
+ * - All resources and objects of the destroyed container are returned to the
+ * parent container or destroyed if were created be the destroyed container.
+ * - This function destroy all the child containers of the specified
+ * container prior to destroying the container itself.
+ *
+ * warning: Only the parent container is allowed to destroy a child policy
+ * Container 0 can't be destroyed
+ *
+ * Return: '0' on Success; Error code otherwise.
+ *
+ */
int dprc_destroy_container(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
int child_container_id)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_DESTROY_CONT,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(0, 32, child_container_id);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
+/**
+ * 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,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
int child_container_id)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_RESET_CONT,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(0, 32, child_container_id);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dprc_get_irq() - Get IRQ information from the DPRC.
+ * @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
+ * @irq_index: The interrupt index to configure
+ * @type: Interrupt type: 0 represents message interrupt
+ * type (both irq_addr and irq_val are valid)
+ * @irq_cfg: IRQ attributes
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dprc_get_irq(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
int *type,
- uint64_t *irq_paddr,
- uint32_t *irq_val,
- int *user_irq_id)
+ struct dprc_irq_cfg *irq_cfg)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ,
- MC_CMD_PRI_LOW,
+ cmd_flags,
token);
cmd.params[0] |= mc_enc(32, 8, irq_index);
@@ -151,47 +263,67 @@ int dprc_get_irq(struct fsl_mc_io *mc_io,
return err;
/* retrieve response parameters */
- *irq_val = mc_dec(cmd.params[0], 0, 32);
- *irq_paddr = mc_dec(cmd.params[1], 0, 64);
- *user_irq_id = mc_dec(cmd.params[2], 0, 32);
+ irq_cfg->val = mc_dec(cmd.params[0], 0, 32);
+ irq_cfg->paddr = mc_dec(cmd.params[1], 0, 64);
+ irq_cfg->user_irq_id = mc_dec(cmd.params[2], 0, 32);
*type = mc_dec(cmd.params[2], 32, 32);
return 0;
}
+/**
+ * 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_'
+ * @token: Token of DPRC object
+ * @irq_index: Identifies the interrupt index to configure
+ * @irq_cfg: IRQ configuration
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dprc_set_irq(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint64_t irq_paddr,
- uint32_t irq_val,
- int user_irq_id)
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ struct dprc_irq_cfg *irq_cfg)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_IRQ,
- MC_CMD_PRI_LOW,
+ cmd_flags,
token);
cmd.params[0] |= mc_enc(32, 8, irq_index);
- cmd.params[0] |= mc_enc(0, 32, irq_val);
- cmd.params[1] |= mc_enc(0, 64, irq_paddr);
- cmd.params[2] |= mc_enc(0, 32, user_irq_id);
+ cmd.params[0] |= mc_enc(0, 32, irq_cfg->val);
+ cmd.params[1] |= mc_enc(0, 64, irq_cfg->paddr);
+ cmd.params[2] |= mc_enc(0, 32, irq_cfg->user_irq_id);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dprc_get_irq_enable() - Get overall interrupt state.
+ * @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
+ * @irq_index: The interrupt index to configure
+ * @en: Returned interrupt state - enable = 1, disable = 0
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dprc_get_irq_enable(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint8_t *en)
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u8 *en)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ_ENABLE,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(32, 8, irq_index);
/* send command to mc*/
@@ -205,16 +337,32 @@ int dprc_get_irq_enable(struct fsl_mc_io *mc_io,
return 0;
}
+/**
+ * dprc_set_irq_enable() - Set overall interrupt state.
+ * @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
+ * @irq_index: The interrupt index to configure
+ * @en: Interrupt state - enable = 1, disable = 0
+ *
+ * Allows GPP software to control when interrupts are generated.
+ * Each interrupt can have up to 32 causes. The enable/disable control's the
+ * overall interrupt state. if the interrupt is disabled no causes will cause
+ * an interrupt.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dprc_set_irq_enable(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint8_t en)
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u8 en)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_IRQ_ENABLE,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(0, 8, en);
cmd.params[0] |= mc_enc(32, 8, irq_index);
@@ -222,17 +370,31 @@ int dprc_set_irq_enable(struct fsl_mc_io *mc_io,
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dprc_get_irq_mask() - Get interrupt mask.
+ * @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
+ * @irq_index: The interrupt index to configure
+ * @mask: Returned event mask to trigger interrupt
+ *
+ * Every interrupt can have up to 32 causes and the interrupt model supports
+ * masking/unmasking each cause independently
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dprc_get_irq_mask(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint32_t *mask)
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 *mask)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ_MASK,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(32, 8, irq_index);
/* send command to mc*/
@@ -246,16 +408,33 @@ int dprc_get_irq_mask(struct fsl_mc_io *mc_io,
return 0;
}
+/**
+ * dprc_set_irq_mask() - Set interrupt mask.
+ * @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
+ * @irq_index: The interrupt index to configure
+ * @mask: event mask to trigger interrupt;
+ * each bit:
+ * 0 = ignore event
+ * 1 = consider event for asserting irq
+ *
+ * Every interrupt can have up to 32 causes and the interrupt model supports
+ * masking/unmasking each cause independently
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dprc_set_irq_mask(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint32_t mask)
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 mask)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_IRQ_MASK,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(0, 32, mask);
cmd.params[0] |= mc_enc(32, 8, irq_index);
@@ -263,17 +442,30 @@ int dprc_set_irq_mask(struct fsl_mc_io *mc_io,
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dprc_get_irq_status() - Get the current status of any pending interrupts.
+ * @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
+ * @irq_index: The interrupt index to configure
+ * @status: Returned interrupts status - one bit per cause:
+ * 0 = no interrupt pending
+ * 1 = interrupt pending
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dprc_get_irq_status(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint32_t *status)
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 *status)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ_STATUS,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(32, 8, irq_index);
/* send command to mc*/
@@ -287,16 +479,29 @@ int dprc_get_irq_status(struct fsl_mc_io *mc_io,
return 0;
}
+/**
+ * dprc_clear_irq_status() - Clear a pending interrupt's status
+ * @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
+ * @irq_index: The interrupt index to configure
+ * @status: bits to clear (W1C) - one bit per cause:
+ * 0 = don't change
+ * 1 = clear status bit
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dprc_clear_irq_status(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint32_t status)
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 status)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_CLEAR_IRQ_STATUS,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(0, 32, status);
cmd.params[0] |= mc_enc(32, 8, irq_index);
@@ -304,8 +509,18 @@ int dprc_clear_irq_status(struct fsl_mc_io *mc_io,
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dprc_get_attributes() - Obtains container attributes
+ * @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
+ * @attributes Returned container attributes
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dprc_get_attributes(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
struct dprc_attributes *attr)
{
struct mc_command cmd = { 0 };
@@ -313,7 +528,7 @@ int dprc_get_attributes(struct fsl_mc_io *mc_io,
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_ATTR,
- MC_CMD_PRI_LOW,
+ cmd_flags,
token);
/* send command to mc*/
@@ -332,17 +547,43 @@ int dprc_get_attributes(struct fsl_mc_io *mc_io,
return 0;
}
+/**
+ * dprc_set_res_quota() - Set allocation policy for a specific resource/object
+ * type in a 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 child container
+ * @type: Resource/object type
+ * @quota: Sets the maximum number of resources of the selected type
+ * that the child container is allowed to allocate from its parent;
+ * when quota is set to -1, the policy is the same as container's
+ * general policy.
+ *
+ * Allocation policy determines whether or not a container may allocate
+ * resources from its parent. Each container has a 'global' allocation policy
+ * that is set when the container is created.
+ *
+ * This function sets allocation policy for a specific resource type.
+ * The default policy for all resource types matches the container's 'global'
+ * allocation policy.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ *
+ * @warning Only the parent container is allowed to change a child policy.
+ */
int dprc_set_res_quota(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
int child_container_id,
char *type,
- uint16_t quota)
+ u16 quota)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_RES_QUOTA,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(0, 32, child_container_id);
cmd.params[0] |= mc_enc(32, 16, quota);
cmd.params[1] |= mc_enc(0, 8, type[0]);
@@ -366,18 +607,34 @@ int dprc_set_res_quota(struct fsl_mc_io *mc_io,
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dprc_get_res_quota() - Gets the allocation policy of a specific
+ * resource/object type in a 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 child container
+ * @type: resource/object type
+ * @quota: Returnes the maximum number of resources of the selected type
+ * that the child container is allowed to allocate from the parent;
+ * when quota is set to -1, the policy is the same as container's
+ * general policy.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dprc_get_res_quota(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
int child_container_id,
char *type,
- uint16_t *quota)
+ u16 *quota)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_RES_QUOTA,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(0, 32, child_container_id);
cmd.params[1] |= mc_enc(0, 8, type[0]);
cmd.params[1] |= mc_enc(8, 8, type[1]);
@@ -407,8 +664,41 @@ int dprc_get_res_quota(struct fsl_mc_io *mc_io,
return 0;
}
+/**
+ * dprc_assign() - Assigns objects or resource to a 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
+ * @container_id: ID of the child container
+ * @res_req: Describes the type and amount of resources to
+ * assign to the given container
+ *
+ * Assignment is usually done by a parent (this DPRC) to one of its child
+ * containers.
+ *
+ * According to the DPRC allocation policy, the assigned resources may be taken
+ * (allocated) from the container's ancestors, if not enough resources are
+ * available in the container itself.
+ *
+ * The type of assignment depends on the dprc_res_req options, as follows:
+ * - DPRC_RES_REQ_OPT_EXPLICIT: indicates that assigned resources should have
+ * the explicit base ID specified at the id_base_align field of res_req.
+ * - DPRC_RES_REQ_OPT_ALIGNED: indicates that the assigned resources should be
+ * aligned to the value given at id_base_align field of res_req.
+ * - DPRC_RES_REQ_OPT_PLUGGED: Relevant only for object assignment,
+ * and indicates that the object must be set to the plugged state.
+ *
+ * A container may use this function with its own ID in order to change a
+ * object state to plugged or unplugged.
+ *
+ * If IRQ information has been set in the child DPRC, it will signal an
+ * interrupt following every change in its object assignment.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dprc_assign(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
int container_id,
struct dprc_res_req *res_req)
{
@@ -416,7 +706,7 @@ int dprc_assign(struct fsl_mc_io *mc_io,
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_ASSIGN,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(0, 32, container_id);
cmd.params[0] |= mc_enc(32, 32, res_req->options);
cmd.params[1] |= mc_enc(0, 32, res_req->num);
@@ -442,8 +732,24 @@ int dprc_assign(struct fsl_mc_io *mc_io,
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dprc_unassign() - Un-assigns objects or resources from a child container
+ * and moves them into this (parent) DPRC.
+ * @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 child container
+ * @res_req: Describes the type and amount of resources to un-assign from
+ * the child container
+ *
+ * Un-assignment of objects can succeed only if the object is not in the
+ * plugged or opened state.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dprc_unassign(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
int child_container_id,
struct dprc_res_req *res_req)
{
@@ -451,7 +757,7 @@ int dprc_unassign(struct fsl_mc_io *mc_io,
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_UNASSIGN,
- MC_CMD_PRI_LOW,
+ cmd_flags,
token);
cmd.params[0] |= mc_enc(0, 32, child_container_id);
cmd.params[0] |= mc_enc(32, 32, res_req->options);
@@ -478,8 +784,18 @@ int dprc_unassign(struct fsl_mc_io *mc_io,
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dprc_get_pool_count() - Get the number of dprc's pools
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @mc_io: Pointer to MC portal's I/O object
+ * @token: Token of DPRC object
+ * @pool_count: Returned number of resource pools in the dprc
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dprc_get_pool_count(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
int *pool_count)
{
struct mc_command cmd = { 0 };
@@ -487,7 +803,7 @@ int dprc_get_pool_count(struct fsl_mc_io *mc_io,
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_POOL_COUNT,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
@@ -500,8 +816,24 @@ int dprc_get_pool_count(struct fsl_mc_io *mc_io,
return 0;
}
+/**
+ * dprc_get_pool() - Get the type (string) of a certain dprc's pool
+ * @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
+ * @pool_index; Index of the pool to be queried (< pool_count)
+ * @type: The type of the pool
+ *
+ * The pool types retrieved one by one by incrementing
+ * pool_index up to (not including) the value of pool_count returned
+ * from dprc_get_pool_count(). dprc_get_pool_count() must
+ * be called prior to dprc_get_pool().
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dprc_get_pool(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
int pool_index,
char *type)
{
@@ -510,7 +842,7 @@ int dprc_get_pool(struct fsl_mc_io *mc_io,
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_POOL,
- MC_CMD_PRI_LOW,
+ cmd_flags,
token);
cmd.params[0] |= mc_enc(0, 32, pool_index);
@@ -540,14 +872,26 @@ int dprc_get_pool(struct fsl_mc_io *mc_io,
return 0;
}
-int dprc_get_obj_count(struct fsl_mc_io *mc_io, uint16_t token, int *obj_count)
+/**
+ * dprc_get_obj_count() - Obtains the number of objects in the DPRC
+ * @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
+ * @obj_count: Number of objects assigned to the DPRC
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprc_get_obj_count(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ int *obj_count)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_COUNT,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
@@ -561,8 +905,24 @@ int dprc_get_obj_count(struct fsl_mc_io *mc_io, uint16_t token, int *obj_count)
}
EXPORT_SYMBOL(dprc_get_obj_count);
+/**
+ * dprc_get_obj() - Get general information on an object
+ * @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
+ * @obj_index: Index of the object to be queried (< obj_count)
+ * @obj_desc: Returns the requested object descriptor
+ *
+ * The object descriptors are retrieved one by one by incrementing
+ * obj_index up to (not including) the value of obj_count returned
+ * from dprc_get_obj_count(). dprc_get_obj_count() must
+ * be called prior to dprc_get_obj().
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dprc_get_obj(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
int obj_index,
struct dprc_obj_desc *obj_desc)
{
@@ -571,7 +931,7 @@ int dprc_get_obj(struct fsl_mc_io *mc_io,
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ,
- MC_CMD_PRI_LOW,
+ cmd_flags,
token);
cmd.params[0] |= mc_enc(0, 32, obj_index);
@@ -604,13 +964,253 @@ int dprc_get_obj(struct fsl_mc_io *mc_io,
obj_desc->type[13] = mc_dec(cmd.params[4], 40, 8);
obj_desc->type[14] = mc_dec(cmd.params[4], 48, 8);
obj_desc->type[15] = '\0';
-
+ obj_desc->label[0] = mc_dec(cmd.params[5], 0, 8);
+ obj_desc->label[1] = mc_dec(cmd.params[5], 8, 8);
+ obj_desc->label[2] = mc_dec(cmd.params[5], 16, 8);
+ obj_desc->label[3] = mc_dec(cmd.params[5], 24, 8);
+ obj_desc->label[4] = mc_dec(cmd.params[5], 32, 8);
+ obj_desc->label[5] = mc_dec(cmd.params[5], 40, 8);
+ obj_desc->label[6] = mc_dec(cmd.params[5], 48, 8);
+ obj_desc->label[7] = mc_dec(cmd.params[5], 56, 8);
+ obj_desc->label[8] = mc_dec(cmd.params[6], 0, 8);
+ obj_desc->label[9] = mc_dec(cmd.params[6], 8, 8);
+ obj_desc->label[10] = mc_dec(cmd.params[6], 16, 8);
+ obj_desc->label[11] = mc_dec(cmd.params[6], 24, 8);
+ obj_desc->label[12] = mc_dec(cmd.params[6], 32, 8);
+ obj_desc->label[13] = mc_dec(cmd.params[6], 40, 8);
+ obj_desc->label[14] = mc_dec(cmd.params[6], 48, 8);
+ obj_desc->label[15] = '\0';
return 0;
}
EXPORT_SYMBOL(dprc_get_obj);
+/**
+ * dprc_get_obj_desc() - Get object descriptor.
+ *
+ * @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
+ * @obj_type: The type of the object to get its descriptor.
+ * @obj_id: The id of the object to get its descriptor
+ * @obj_desc: The returned descriptor to fill and return to the user
+ *
+ * Return: '0' on Success; Error code otherwise.
+ *
+ */
+int dprc_get_obj_desc(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ char *obj_type,
+ int obj_id,
+ struct dprc_obj_desc *obj_desc)
+{
+ struct mc_command cmd = { 0 };
+ int err;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_DESC,
+ cmd_flags,
+ token);
+ cmd.params[0] |= mc_enc(0, 32, obj_id);
+ cmd.params[1] |= mc_enc(0, 8, obj_type[0]);
+ cmd.params[1] |= mc_enc(8, 8, obj_type[1]);
+ cmd.params[1] |= mc_enc(16, 8, obj_type[2]);
+ cmd.params[1] |= mc_enc(24, 8, obj_type[3]);
+ cmd.params[1] |= mc_enc(32, 8, obj_type[4]);
+ cmd.params[1] |= mc_enc(40, 8, obj_type[5]);
+ cmd.params[1] |= mc_enc(48, 8, obj_type[6]);
+ cmd.params[1] |= mc_enc(56, 8, obj_type[7]);
+ cmd.params[2] |= mc_enc(0, 8, obj_type[8]);
+ cmd.params[2] |= mc_enc(8, 8, obj_type[9]);
+ cmd.params[2] |= mc_enc(16, 8, obj_type[10]);
+ cmd.params[2] |= mc_enc(24, 8, obj_type[11]);
+ cmd.params[2] |= mc_enc(32, 8, obj_type[12]);
+ cmd.params[2] |= mc_enc(40, 8, obj_type[13]);
+ cmd.params[2] |= mc_enc(48, 8, obj_type[14]);
+ cmd.params[2] |= mc_enc(56, 8, obj_type[15]);
+
+ /* send command to mc*/
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ /* retrieve response parameters */
+ obj_desc->id = (int)mc_dec(cmd.params[0], 32, 32);
+ obj_desc->vendor = (u16)mc_dec(cmd.params[1], 0, 16);
+ obj_desc->vendor = (u8)mc_dec(cmd.params[1], 16, 8);
+ obj_desc->region_count = (u8)mc_dec(cmd.params[1], 24, 8);
+ obj_desc->state = (u32)mc_dec(cmd.params[1], 32, 32);
+ obj_desc->ver_major = (u16)mc_dec(cmd.params[2], 0, 16);
+ obj_desc->ver_minor = (u16)mc_dec(cmd.params[2], 16, 16);
+ obj_desc->type[0] = (char)mc_dec(cmd.params[3], 0, 8);
+ obj_desc->type[1] = (char)mc_dec(cmd.params[3], 8, 8);
+ obj_desc->type[2] = (char)mc_dec(cmd.params[3], 16, 8);
+ obj_desc->type[3] = (char)mc_dec(cmd.params[3], 24, 8);
+ obj_desc->type[4] = (char)mc_dec(cmd.params[3], 32, 8);
+ obj_desc->type[5] = (char)mc_dec(cmd.params[3], 40, 8);
+ obj_desc->type[6] = (char)mc_dec(cmd.params[3], 48, 8);
+ obj_desc->type[7] = (char)mc_dec(cmd.params[3], 56, 8);
+ obj_desc->type[8] = (char)mc_dec(cmd.params[4], 0, 8);
+ obj_desc->type[9] = (char)mc_dec(cmd.params[4], 8, 8);
+ obj_desc->type[10] = (char)mc_dec(cmd.params[4], 16, 8);
+ obj_desc->type[11] = (char)mc_dec(cmd.params[4], 24, 8);
+ obj_desc->type[12] = (char)mc_dec(cmd.params[4], 32, 8);
+ obj_desc->type[13] = (char)mc_dec(cmd.params[4], 40, 8);
+ obj_desc->type[14] = (char)mc_dec(cmd.params[4], 48, 8);
+ obj_desc->type[15] = (char)mc_dec(cmd.params[4], 56, 8);
+ obj_desc->label[0] = (char)mc_dec(cmd.params[5], 0, 8);
+ obj_desc->label[1] = (char)mc_dec(cmd.params[5], 8, 8);
+ obj_desc->label[2] = (char)mc_dec(cmd.params[5], 16, 8);
+ obj_desc->label[3] = (char)mc_dec(cmd.params[5], 24, 8);
+ obj_desc->label[4] = (char)mc_dec(cmd.params[5], 32, 8);
+ obj_desc->label[5] = (char)mc_dec(cmd.params[5], 40, 8);
+ obj_desc->label[6] = (char)mc_dec(cmd.params[5], 48, 8);
+ obj_desc->label[7] = (char)mc_dec(cmd.params[5], 56, 8);
+ obj_desc->label[8] = (char)mc_dec(cmd.params[6], 0, 8);
+ obj_desc->label[9] = (char)mc_dec(cmd.params[6], 8, 8);
+ obj_desc->label[10] = (char)mc_dec(cmd.params[6], 16, 8);
+ obj_desc->label[11] = (char)mc_dec(cmd.params[6], 24, 8);
+ obj_desc->label[12] = (char)mc_dec(cmd.params[6], 32, 8);
+ obj_desc->label[13] = (char)mc_dec(cmd.params[6], 40, 8);
+ obj_desc->label[14] = (char)mc_dec(cmd.params[6], 48, 8);
+ obj_desc->label[15] = (char)mc_dec(cmd.params[6], 56, 8);
+
+ return 0;
+}
+EXPORT_SYMBOL(dprc_get_obj_desc);
+
+/**
+ * dprc_set_obj_irq() - Set IRQ information for object 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_'
+ * @token: Token of DPRC object
+ * @obj_type: Type of the object to set its IRQ
+ * @obj_id: ID of the object to set its IRQ
+ * @irq_index: The interrupt index to configure
+ * @irq_cfg: IRQ configuration
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprc_set_obj_irq(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ char *obj_type,
+ int obj_id,
+ u8 irq_index,
+ struct dprc_irq_cfg *irq_cfg)
+{
+ struct mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_OBJ_IRQ,
+ cmd_flags,
+ token);
+ cmd.params[0] |= mc_enc(32, 8, irq_index);
+ cmd.params[0] |= mc_enc(0, 32, irq_cfg->val);
+ cmd.params[1] |= mc_enc(0, 64, irq_cfg->paddr);
+ cmd.params[2] |= mc_enc(0, 32, irq_cfg->user_irq_id);
+ cmd.params[2] |= mc_enc(32, 32, obj_id);
+ cmd.params[3] |= mc_enc(0, 8, obj_type[0]);
+ cmd.params[3] |= mc_enc(8, 8, obj_type[1]);
+ cmd.params[3] |= mc_enc(16, 8, obj_type[2]);
+ cmd.params[3] |= mc_enc(24, 8, obj_type[3]);
+ cmd.params[3] |= mc_enc(32, 8, obj_type[4]);
+ cmd.params[3] |= mc_enc(40, 8, obj_type[5]);
+ cmd.params[3] |= mc_enc(48, 8, obj_type[6]);
+ cmd.params[3] |= mc_enc(56, 8, obj_type[7]);
+ cmd.params[4] |= mc_enc(0, 8, obj_type[8]);
+ cmd.params[4] |= mc_enc(8, 8, obj_type[9]);
+ cmd.params[4] |= mc_enc(16, 8, obj_type[10]);
+ cmd.params[4] |= mc_enc(24, 8, obj_type[11]);
+ cmd.params[4] |= mc_enc(32, 8, obj_type[12]);
+ cmd.params[4] |= mc_enc(40, 8, obj_type[13]);
+ cmd.params[4] |= mc_enc(48, 8, obj_type[14]);
+ cmd.params[4] |= mc_enc(56, 8, obj_type[15]);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+EXPORT_SYMBOL(dprc_set_obj_irq);
+
+/**
+ * dprc_get_obj_irq() - Get IRQ information from object.
+ * @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
+ * @obj_type: Type od the object to get its IRQ
+ * @obj_id: ID of the object to get its IRQ
+ * @irq_index: The interrupt index to configure
+ * @type: Interrupt type: 0 represents message interrupt
+ * type (both irq_addr and irq_val are valid)
+ * @irq_cfg: The returned IRQ attributes
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprc_get_obj_irq(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ char *obj_type,
+ int obj_id,
+ u8 irq_index,
+ int *type,
+ struct dprc_irq_cfg *irq_cfg)
+{
+ struct mc_command cmd = { 0 };
+ int err;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_IRQ,
+ cmd_flags,
+ token);
+ cmd.params[0] |= mc_enc(0, 32, obj_id);
+ cmd.params[0] |= mc_enc(32, 8, irq_index);
+ cmd.params[1] |= mc_enc(0, 8, obj_type[0]);
+ cmd.params[1] |= mc_enc(8, 8, obj_type[1]);
+ cmd.params[1] |= mc_enc(16, 8, obj_type[2]);
+ cmd.params[1] |= mc_enc(24, 8, obj_type[3]);
+ cmd.params[1] |= mc_enc(32, 8, obj_type[4]);
+ cmd.params[1] |= mc_enc(40, 8, obj_type[5]);
+ cmd.params[1] |= mc_enc(48, 8, obj_type[6]);
+ cmd.params[1] |= mc_enc(56, 8, obj_type[7]);
+ cmd.params[2] |= mc_enc(0, 8, obj_type[8]);
+ cmd.params[2] |= mc_enc(8, 8, obj_type[9]);
+ cmd.params[2] |= mc_enc(16, 8, obj_type[10]);
+ cmd.params[2] |= mc_enc(24, 8, obj_type[11]);
+ cmd.params[2] |= mc_enc(32, 8, obj_type[12]);
+ cmd.params[2] |= mc_enc(40, 8, obj_type[13]);
+ cmd.params[2] |= mc_enc(48, 8, obj_type[14]);
+ cmd.params[2] |= mc_enc(56, 8, obj_type[15]);
+
+ /* send command to mc*/
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ /* retrieve response parameters */
+ irq_cfg->val = (u32)mc_dec(cmd.params[0], 0, 32);
+ irq_cfg->paddr = (u64)mc_dec(cmd.params[1], 0, 64);
+ irq_cfg->user_irq_id = (int)mc_dec(cmd.params[2], 0, 32);
+ *type = (int)mc_dec(cmd.params[2], 32, 32);
+
+ return 0;
+}
+EXPORT_SYMBOL(dprc_get_obj_irq);
+
+/**
+ * dprc_get_res_count() - Obtains the number of free resources that are assigned
+ * to this container, by pool type
+ * @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
+ * @type: pool type
+ * @res_count: Returned number of free resources of the given
+ * resource type that are assigned to this DPRC
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dprc_get_res_count(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
char *type,
int *res_count)
{
@@ -621,7 +1221,7 @@ int dprc_get_res_count(struct fsl_mc_io *mc_io,
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_RES_COUNT,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[1] |= mc_enc(0, 8, type[0]);
cmd.params[1] |= mc_enc(8, 8, type[1]);
cmd.params[1] |= mc_enc(16, 8, type[2]);
@@ -651,8 +1251,19 @@ int dprc_get_res_count(struct fsl_mc_io *mc_io,
}
EXPORT_SYMBOL(dprc_get_res_count);
+/**
+ * dprc_get_res_ids() - Obtains IDs of free resources in the 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
+ * @type: pool type
+ * @range_desc: range descriptor
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dprc_get_res_ids(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
char *type,
struct dprc_res_ids_range_desc *range_desc)
{
@@ -661,7 +1272,7 @@ int dprc_get_res_ids(struct fsl_mc_io *mc_io,
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_RES_IDS,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(42, 7, range_desc->iter_status);
cmd.params[1] |= mc_enc(0, 32, range_desc->base_id);
cmd.params[1] |= mc_enc(32, 32, range_desc->last_id);
@@ -696,36 +1307,24 @@ int dprc_get_res_ids(struct fsl_mc_io *mc_io,
}
EXPORT_SYMBOL(dprc_get_res_ids);
-int dprc_get_portal_paddr(struct fsl_mc_io *mc_io,
- uint16_t token,
- int portal_id,
- uint64_t *portal_addr)
-{
- struct mc_command cmd = { 0 };
- int err;
-
- /* prepare command */
- cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_PORTAL_PADDR,
- MC_CMD_PRI_LOW, token);
- cmd.params[0] |= mc_enc(0, 32, portal_id);
-
- /* send command to mc*/
- err = mc_send_command(mc_io, &cmd);
- if (err)
- return err;
-
- /* retrieve response parameters */
- *portal_addr = mc_dec(cmd.params[1], 0, 64);
-
- return 0;
-}
-EXPORT_SYMBOL(dprc_get_portal_paddr);
-
+/**
+ * dprc_get_obj_region() - Get region information for a specified object.
+ * @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
+ * @obj_type; Object type as returned in dprc_get_obj()
+ * @obj_id: Unique object instance as returned in dprc_get_obj()
+ * @region_index: The specific region to query
+ * @region_desc: Returns the requested region descriptor
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dprc_get_obj_region(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
char *obj_type,
int obj_id,
- uint8_t region_index,
+ u8 region_index,
struct dprc_region_desc *region_desc)
{
struct mc_command cmd = { 0 };
@@ -733,7 +1332,7 @@ int dprc_get_obj_region(struct fsl_mc_io *mc_io,
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_REG,
- MC_CMD_PRI_LOW, token);
+ cmd_flags, token);
cmd.params[0] |= mc_enc(0, 32, obj_id);
cmd.params[0] |= mc_enc(48, 8, region_index);
cmd.params[3] |= mc_enc(0, 8, obj_type[0]);
@@ -759,28 +1358,113 @@ int dprc_get_obj_region(struct fsl_mc_io *mc_io,
return err;
/* retrieve response parameters */
- region_desc->base_paddr = mc_dec(cmd.params[1], 0, 64);
+ region_desc->base_offset = mc_dec(cmd.params[1], 0, 64);
region_desc->size = mc_dec(cmd.params[2], 0, 32);
return 0;
}
EXPORT_SYMBOL(dprc_get_obj_region);
+/**
+ * dprc_set_obj_label() - Set object label.
+ * @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
+ * @obj_type: Object's type
+ * @obj_id: Object's ID
+ * @label: The required label. The maximum length is 16 chars.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprc_set_obj_label(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ char *obj_type,
+ int obj_id,
+ char *label)
+{
+ struct mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_OBJ_LABEL,
+ cmd_flags,
+ token);
+
+ cmd.params[0] |= mc_enc(0, 32, obj_id);
+ cmd.params[1] |= mc_enc(0, 8, label[0]);
+ cmd.params[1] |= mc_enc(8, 8, label[1]);
+ cmd.params[1] |= mc_enc(16, 8, label[2]);
+ cmd.params[1] |= mc_enc(24, 8, label[3]);
+ cmd.params[1] |= mc_enc(32, 8, label[4]);
+ cmd.params[1] |= mc_enc(40, 8, label[5]);
+ cmd.params[1] |= mc_enc(48, 8, label[6]);
+ cmd.params[1] |= mc_enc(56, 8, label[7]);
+ cmd.params[2] |= mc_enc(0, 8, label[8]);
+ cmd.params[2] |= mc_enc(8, 8, label[9]);
+ cmd.params[2] |= mc_enc(16, 8, label[10]);
+ cmd.params[2] |= mc_enc(24, 8, label[11]);
+ cmd.params[2] |= mc_enc(32, 8, label[12]);
+ cmd.params[2] |= mc_enc(40, 8, label[13]);
+ cmd.params[2] |= mc_enc(48, 8, label[14]);
+ cmd.params[2] |= mc_enc(56, 8, label[15]);
+ cmd.params[3] |= mc_enc(0, 8, obj_type[0]);
+ cmd.params[3] |= mc_enc(8, 8, obj_type[1]);
+ cmd.params[3] |= mc_enc(16, 8, obj_type[2]);
+ cmd.params[3] |= mc_enc(24, 8, obj_type[3]);
+ cmd.params[3] |= mc_enc(32, 8, obj_type[4]);
+ cmd.params[3] |= mc_enc(40, 8, obj_type[5]);
+ cmd.params[3] |= mc_enc(48, 8, obj_type[6]);
+ cmd.params[3] |= mc_enc(56, 8, obj_type[7]);
+ cmd.params[4] |= mc_enc(0, 8, obj_type[8]);
+ cmd.params[4] |= mc_enc(8, 8, obj_type[9]);
+ cmd.params[4] |= mc_enc(16, 8, obj_type[10]);
+ cmd.params[4] |= mc_enc(24, 8, obj_type[11]);
+ cmd.params[4] |= mc_enc(32, 8, obj_type[12]);
+ cmd.params[4] |= mc_enc(40, 8, obj_type[13]);
+ cmd.params[4] |= mc_enc(48, 8, obj_type[14]);
+ cmd.params[4] |= mc_enc(56, 8, obj_type[15]);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+EXPORT_SYMBOL(dprc_set_obj_label);
+
+/**
+ * dprc_connect() - Connect two endpoints to create a network link between them
+ * @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
+ * @endpoint1: Endpoint 1 configuration parameters
+ * @endpoint2: Endpoint 2 configuration parameters
+ * @cfg: Connection configuration. The connection configuration is ignored for
+ * connections made to DPMAC objects, where rate is set according to
+ * MAC configuration.
+ * The committed rate is the guaranteed rate for the connection.
+ * The maximum rate is an upper limit allowed for the connection; it is
+ * expected to be equal or higher than the committed rate.
+ * When committed and maximum rates are both zero, the connection is set
+ * to "best effort" mode, having lower priority compared to connections
+ * with committed or maximum rates.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dprc_connect(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
const struct dprc_endpoint *endpoint1,
- const struct dprc_endpoint *endpoint2)
+ const struct dprc_endpoint *endpoint2,
+ const struct dprc_connection_cfg *cfg)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_CONNECT,
- MC_CMD_PRI_LOW,
+ cmd_flags,
token);
cmd.params[0] |= mc_enc(0, 32, endpoint1->id);
- cmd.params[0] |= mc_enc(32, 32, endpoint1->interface_id);
+ cmd.params[0] |= mc_enc(32, 32, endpoint1->if_id);
cmd.params[1] |= mc_enc(0, 32, endpoint2->id);
- cmd.params[1] |= mc_enc(32, 32, endpoint2->interface_id);
+ cmd.params[1] |= mc_enc(32, 32, endpoint2->if_id);
cmd.params[2] |= mc_enc(0, 8, endpoint1->type[0]);
cmd.params[2] |= mc_enc(8, 8, endpoint1->type[1]);
cmd.params[2] |= mc_enc(16, 8, endpoint1->type[2]);
@@ -797,6 +1481,8 @@ int dprc_connect(struct fsl_mc_io *mc_io,
cmd.params[3] |= mc_enc(40, 8, endpoint1->type[13]);
cmd.params[3] |= mc_enc(48, 8, endpoint1->type[14]);
cmd.params[3] |= mc_enc(56, 8, endpoint1->type[15]);
+ cmd.params[4] |= mc_enc(0, 32, cfg->max_rate);
+ cmd.params[4] |= mc_enc(32, 32, cfg->committed_rate);
cmd.params[5] |= mc_enc(0, 8, endpoint2->type[0]);
cmd.params[5] |= mc_enc(8, 8, endpoint2->type[1]);
cmd.params[5] |= mc_enc(16, 8, endpoint2->type[2]);
@@ -818,18 +1504,28 @@ int dprc_connect(struct fsl_mc_io *mc_io,
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dprc_disconnect() - Disconnect one endpoint to remove its network connection
+ * @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
+ * @endpoint: Endpoint configuration parameters
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dprc_disconnect(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
const struct dprc_endpoint *endpoint)
{
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_DISCONNECT,
- MC_CMD_PRI_LOW,
+ cmd_flags,
token);
cmd.params[0] |= mc_enc(0, 32, endpoint->id);
- cmd.params[0] |= mc_enc(32, 32, endpoint->interface_id);
+ cmd.params[0] |= mc_enc(32, 32, endpoint->if_id);
cmd.params[1] |= mc_enc(0, 8, endpoint->type[0]);
cmd.params[1] |= mc_enc(8, 8, endpoint->type[1]);
cmd.params[1] |= mc_enc(16, 8, endpoint->type[2]);
@@ -851,21 +1547,34 @@ int dprc_disconnect(struct fsl_mc_io *mc_io,
return mc_send_command(mc_io, &cmd);
}
+/**
+* dprc_get_connection() - Get connected endpoint and link status if connection
+* exists.
+* @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
+* @endpoint1: Endpoint 1 configuration parameters
+* @endpoint2: Returned endpoint 2 configuration parameters
+* @state: Returned link state: 1 - link is up, 0 - link is down
+*
+* Return: '0' on Success; -ENAVAIL if connection does not exist.
+*/
int dprc_get_connection(struct fsl_mc_io *mc_io,
- uint16_t token,
- const struct dprc_endpoint *endpoint1,
- struct dprc_endpoint *endpoint2,
- int *state)
+ u32 cmd_flags,
+ u16 token,
+ const struct dprc_endpoint *endpoint1,
+ struct dprc_endpoint *endpoint2,
+ int *state)
{
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_CONNECTION,
- MC_CMD_PRI_LOW,
+ cmd_flags,
token);
cmd.params[0] |= mc_enc(0, 32, endpoint1->id);
- cmd.params[0] |= mc_enc(32, 32, endpoint1->interface_id);
+ cmd.params[0] |= mc_enc(32, 32, endpoint1->if_id);
cmd.params[1] |= mc_enc(0, 8, endpoint1->type[0]);
cmd.params[1] |= mc_enc(8, 8, endpoint1->type[1]);
cmd.params[1] |= mc_enc(16, 8, endpoint1->type[2]);
@@ -890,7 +1599,7 @@ int dprc_get_connection(struct fsl_mc_io *mc_io,
/* retrieve response parameters */
endpoint2->id = mc_dec(cmd.params[3], 0, 32);
- endpoint2->interface_id = mc_dec(cmd.params[3], 32, 32);
+ endpoint2->if_id = mc_dec(cmd.params[3], 32, 32);
endpoint2->type[0] = mc_dec(cmd.params[4], 0, 8);
endpoint2->type[1] = mc_dec(cmd.params[4], 8, 8);
endpoint2->type[2] = mc_dec(cmd.params[4], 16, 8);
diff --git a/drivers/staging/fsl-mc/bus/mc-allocator.c b/drivers/staging/fsl-mc/bus/mc-allocator.c
index e36235ddb..88d185752 100644
--- a/drivers/staging/fsl-mc/bus/mc-allocator.c
+++ b/drivers/staging/fsl-mc/bus/mc-allocator.c
@@ -111,7 +111,7 @@ static int __must_check fsl_mc_resource_pool_remove_device(struct fsl_mc_device
goto out;
resource = mc_dev->resource;
- if (WARN_ON(resource->data != mc_dev))
+ if (WARN_ON(!resource || resource->data != mc_dev))
goto out;
mc_bus_dev = to_fsl_mc_device(mc_dev->dev.parent);
@@ -277,14 +277,14 @@ EXPORT_SYMBOL_GPL(fsl_mc_resource_free);
* portal is allocated from its own MC bus.
*/
int __must_check fsl_mc_portal_allocate(struct fsl_mc_device *mc_dev,
- uint16_t mc_io_flags,
+ u16 mc_io_flags,
struct fsl_mc_io **new_mc_io)
{
struct fsl_mc_device *mc_bus_dev;
struct fsl_mc_bus *mc_bus;
phys_addr_t mc_portal_phys_addr;
size_t mc_portal_size;
- struct fsl_mc_device *mc_adev;
+ struct fsl_mc_device *dpmcp_dev;
int error = -EINVAL;
struct fsl_mc_resource *resource = NULL;
struct fsl_mc_io *mc_io = NULL;
@@ -304,23 +304,23 @@ int __must_check fsl_mc_portal_allocate(struct fsl_mc_device *mc_dev,
if (error < 0)
return error;
- mc_adev = resource->data;
- if (WARN_ON(!mc_adev))
+ dpmcp_dev = resource->data;
+ if (WARN_ON(!dpmcp_dev))
goto error_cleanup_resource;
- if (WARN_ON(mc_adev->obj_desc.region_count == 0))
+ if (WARN_ON(dpmcp_dev->obj_desc.region_count == 0))
goto error_cleanup_resource;
- mc_portal_phys_addr = mc_adev->regions[0].start;
- mc_portal_size = mc_adev->regions[0].end -
- mc_adev->regions[0].start + 1;
+ mc_portal_phys_addr = dpmcp_dev->regions[0].start;
+ mc_portal_size = dpmcp_dev->regions[0].end -
+ dpmcp_dev->regions[0].start + 1;
if (WARN_ON(mc_portal_size != mc_bus_dev->mc_io->portal_size))
goto error_cleanup_resource;
error = fsl_create_mc_io(&mc_bus_dev->dev,
mc_portal_phys_addr,
- mc_portal_size, resource,
+ mc_portal_size, dpmcp_dev,
mc_io_flags, &mc_io);
if (error < 0)
goto error_cleanup_resource;
@@ -342,12 +342,22 @@ EXPORT_SYMBOL_GPL(fsl_mc_portal_allocate);
*/
void fsl_mc_portal_free(struct fsl_mc_io *mc_io)
{
+ struct fsl_mc_device *dpmcp_dev;
struct fsl_mc_resource *resource;
- resource = mc_io->resource;
- if (WARN_ON(resource->type != FSL_MC_POOL_DPMCP))
+ /*
+ * Every mc_io obtained by calling fsl_mc_portal_allocate() is supposed
+ * to have a DPMCP object associated with.
+ */
+ dpmcp_dev = mc_io->dpmcp_dev;
+ if (WARN_ON(!dpmcp_dev))
return;
- if (WARN_ON(!resource->data))
+
+ resource = dpmcp_dev->resource;
+ if (WARN_ON(!resource || resource->type != FSL_MC_POOL_DPMCP))
+ return;
+
+ if (WARN_ON(resource->data != dpmcp_dev))
return;
fsl_destroy_mc_io(mc_io);
@@ -363,31 +373,14 @@ EXPORT_SYMBOL_GPL(fsl_mc_portal_free);
int fsl_mc_portal_reset(struct fsl_mc_io *mc_io)
{
int error;
- uint16_t token;
- struct fsl_mc_resource *resource = mc_io->resource;
- struct fsl_mc_device *mc_dev = resource->data;
+ struct fsl_mc_device *dpmcp_dev = mc_io->dpmcp_dev;
- if (WARN_ON(resource->type != FSL_MC_POOL_DPMCP))
+ if (WARN_ON(!dpmcp_dev))
return -EINVAL;
- if (WARN_ON(!mc_dev))
- return -EINVAL;
-
- error = dpmcp_open(mc_io, mc_dev->obj_desc.id, &token);
- if (error < 0) {
- dev_err(&mc_dev->dev, "dpmcp_open() failed: %d\n", error);
- return error;
- }
-
- error = dpmcp_reset(mc_io, token);
+ error = dpmcp_reset(mc_io, 0, dpmcp_dev->mc_handle);
if (error < 0) {
- dev_err(&mc_dev->dev, "dpmcp_reset() failed: %d\n", error);
- return error;
- }
-
- error = dpmcp_close(mc_io, token);
- if (error < 0) {
- dev_err(&mc_dev->dev, "dpmcp_close() failed: %d\n", error);
+ dev_err(&dpmcp_dev->dev, "dpmcp_reset() failed: %d\n", error);
return error;
}
@@ -481,30 +474,27 @@ static int fsl_mc_allocator_probe(struct fsl_mc_device *mc_dev)
enum fsl_mc_pool_type pool_type;
struct fsl_mc_device *mc_bus_dev;
struct fsl_mc_bus *mc_bus;
- int error = -EINVAL;
+ int error;
if (WARN_ON(!FSL_MC_IS_ALLOCATABLE(mc_dev->obj_desc.type)))
- goto error;
+ return -EINVAL;
mc_bus_dev = to_fsl_mc_device(mc_dev->dev.parent);
if (WARN_ON(mc_bus_dev->dev.bus != &fsl_mc_bus_type))
- goto error;
+ return -EINVAL;
mc_bus = to_fsl_mc_bus(mc_bus_dev);
error = object_type_to_pool_type(mc_dev->obj_desc.type, &pool_type);
if (error < 0)
- goto error;
+ return error;
error = fsl_mc_resource_pool_add_device(mc_bus, pool_type, mc_dev);
if (error < 0)
- goto error;
+ return error;
- dev_info(&mc_dev->dev,
- "Allocatable MC object device bound to fsl_mc_allocator driver");
+ dev_dbg(&mc_dev->dev,
+ "Allocatable MC object device bound to fsl_mc_allocator driver");
return 0;
-error:
-
- return error;
}
/**
@@ -513,20 +503,20 @@ error:
*/
static int fsl_mc_allocator_remove(struct fsl_mc_device *mc_dev)
{
- int error = -EINVAL;
+ int error;
if (WARN_ON(!FSL_MC_IS_ALLOCATABLE(mc_dev->obj_desc.type)))
- goto out;
+ return -EINVAL;
- error = fsl_mc_resource_pool_remove_device(mc_dev);
- if (error < 0)
- goto out;
+ if (mc_dev->resource) {
+ error = fsl_mc_resource_pool_remove_device(mc_dev);
+ if (error < 0)
+ return error;
+ }
- dev_info(&mc_dev->dev,
- "Allocatable MC object device unbound from fsl_mc_allocator driver");
- error = 0;
-out:
- return error;
+ dev_dbg(&mc_dev->dev,
+ "Allocatable MC object device unbound from fsl_mc_allocator driver");
+ return 0;
}
static const struct fsl_mc_device_match_id match_id_table[] = {
diff --git a/drivers/staging/fsl-mc/bus/mc-bus.c b/drivers/staging/fsl-mc/bus/mc-bus.c
index 766a65959..84db55b4d 100644
--- a/drivers/staging/fsl-mc/bus/mc-bus.c
+++ b/drivers/staging/fsl-mc/bus/mc-bus.c
@@ -22,6 +22,8 @@
static struct kmem_cache *mc_dev_cache;
+static bool fsl_mc_is_root_dprc(struct device *dev);
+
/**
* fsl_mc_bus_match - device to driver matching callback
* @dev: the MC object device structure to match against
@@ -39,7 +41,7 @@ static int fsl_mc_bus_match(struct device *dev, struct device_driver *drv)
bool major_version_mismatch = false;
bool minor_version_mismatch = false;
- if (WARN_ON(!fsl_mc_bus_type.dev_root))
+ if (WARN_ON(!fsl_mc_bus_exists()))
goto out;
if (!mc_drv->match_id_table)
@@ -50,7 +52,7 @@ static int fsl_mc_bus_match(struct device *dev, struct device_driver *drv)
* Only exception is the root DPRC, which is a special case.
*/
if ((mc_dev->obj_desc.state & DPRC_OBJ_STATE_PLUGGED) == 0 &&
- &mc_dev->dev != fsl_mc_bus_type.dev_root)
+ !fsl_mc_is_root_dprc(&mc_dev->dev))
goto out;
/*
@@ -107,6 +109,8 @@ struct bus_type fsl_mc_bus_type = {
};
EXPORT_SYMBOL_GPL(fsl_mc_bus_type);
+static atomic_t root_dprc_count = ATOMIC_INIT(0);
+
static int fsl_mc_driver_probe(struct device *dev)
{
struct fsl_mc_driver *mc_drv;
@@ -206,21 +210,61 @@ void fsl_mc_driver_unregister(struct fsl_mc_driver *mc_driver)
}
EXPORT_SYMBOL_GPL(fsl_mc_driver_unregister);
+/**
+ * fsl_mc_bus_exists - check if a root dprc exists
+ */
+bool fsl_mc_bus_exists(void)
+{
+ return atomic_read(&root_dprc_count) > 0;
+}
+EXPORT_SYMBOL_GPL(fsl_mc_bus_exists);
+
+/**
+* fsl_mc_get_root_dprc - function to traverse to the root dprc
+*/
+static void fsl_mc_get_root_dprc(struct device *dev,
+ struct device **root_dprc_dev)
+{
+ if (WARN_ON(!dev)) {
+ *root_dprc_dev = NULL;
+ } else if (WARN_ON(dev->bus != &fsl_mc_bus_type)) {
+ *root_dprc_dev = NULL;
+ } else {
+ *root_dprc_dev = dev;
+ while ((*root_dprc_dev)->parent->bus == &fsl_mc_bus_type)
+ *root_dprc_dev = (*root_dprc_dev)->parent;
+ }
+}
+
+/**
+ * fsl_mc_is_root_dprc - function to check if a given device is a root dprc
+ */
+static bool fsl_mc_is_root_dprc(struct device *dev)
+{
+ struct device *root_dprc_dev;
+
+ fsl_mc_get_root_dprc(dev, &root_dprc_dev);
+ if (!root_dprc_dev)
+ return false;
+ else
+ return dev == root_dprc_dev;
+}
+
static int get_dprc_icid(struct fsl_mc_io *mc_io,
- int container_id, uint16_t *icid)
+ int container_id, u16 *icid)
{
- uint16_t dprc_handle;
+ u16 dprc_handle;
struct dprc_attributes attr;
int error;
- error = dprc_open(mc_io, container_id, &dprc_handle);
+ error = dprc_open(mc_io, 0, container_id, &dprc_handle);
if (error < 0) {
pr_err("dprc_open() failed: %d\n", error);
return error;
}
memset(&attr, 0, sizeof(attr));
- error = dprc_get_attributes(mc_io, dprc_handle, &attr);
+ error = dprc_get_attributes(mc_io, 0, dprc_handle, &attr);
if (error < 0) {
pr_err("dprc_get_attributes() failed: %d\n", error);
goto common_cleanup;
@@ -230,20 +274,28 @@ static int get_dprc_icid(struct fsl_mc_io *mc_io,
error = 0;
common_cleanup:
- (void)dprc_close(mc_io, dprc_handle);
+ (void)dprc_close(mc_io, 0, dprc_handle);
return error;
}
-static int translate_mc_addr(uint64_t mc_addr, phys_addr_t *phys_addr)
+static int translate_mc_addr(struct fsl_mc_device *mc_dev,
+ enum dprc_region_type mc_region_type,
+ u64 mc_offset, phys_addr_t *phys_addr)
{
int i;
- struct fsl_mc *mc = dev_get_drvdata(fsl_mc_bus_type.dev_root->parent);
+ struct device *root_dprc_dev;
+ struct fsl_mc *mc;
+
+ fsl_mc_get_root_dprc(&mc_dev->dev, &root_dprc_dev);
+ if (WARN_ON(!root_dprc_dev))
+ return -EINVAL;
+ mc = dev_get_drvdata(root_dprc_dev->parent);
if (mc->num_translation_ranges == 0) {
/*
* Do identity mapping:
*/
- *phys_addr = mc_addr;
+ *phys_addr = mc_offset;
return 0;
}
@@ -251,10 +303,11 @@ static int translate_mc_addr(uint64_t mc_addr, phys_addr_t *phys_addr)
struct fsl_mc_addr_translation_range *range =
&mc->translation_ranges[i];
- if (mc_addr >= range->start_mc_addr &&
- mc_addr < range->end_mc_addr) {
+ if (mc_region_type == range->mc_region_type &&
+ mc_offset >= range->start_mc_offset &&
+ mc_offset < range->end_mc_offset) {
*phys_addr = range->start_phys_addr +
- (mc_addr - range->start_mc_addr);
+ (mc_offset - range->start_mc_offset);
return 0;
}
}
@@ -270,6 +323,22 @@ static int fsl_mc_device_get_mmio_regions(struct fsl_mc_device *mc_dev,
struct resource *regions;
struct dprc_obj_desc *obj_desc = &mc_dev->obj_desc;
struct device *parent_dev = mc_dev->dev.parent;
+ enum dprc_region_type mc_region_type;
+
+ if (strcmp(obj_desc->type, "dprc") == 0 ||
+ strcmp(obj_desc->type, "dpmcp") == 0) {
+ mc_region_type = DPRC_REGION_TYPE_MC_PORTAL;
+ } else if (strcmp(obj_desc->type, "dpio") == 0) {
+ mc_region_type = DPRC_REGION_TYPE_QBMAN_PORTAL;
+ } else {
+ /*
+ * This function should not have been called for this MC object
+ * type, as this object type is not supposed to have MMIO
+ * regions
+ */
+ WARN_ON(true);
+ return -EINVAL;
+ }
regions = kmalloc_array(obj_desc->region_count,
sizeof(regions[0]), GFP_KERNEL);
@@ -280,6 +349,7 @@ static int fsl_mc_device_get_mmio_regions(struct fsl_mc_device *mc_dev,
struct dprc_region_desc region_desc;
error = dprc_get_obj_region(mc_bus_dev->mc_io,
+ 0,
mc_bus_dev->mc_handle,
obj_desc->type,
obj_desc->id, i, &region_desc);
@@ -289,14 +359,15 @@ static int fsl_mc_device_get_mmio_regions(struct fsl_mc_device *mc_dev,
goto error_cleanup_regions;
}
- WARN_ON(region_desc.base_paddr == 0x0);
WARN_ON(region_desc.size == 0);
- error = translate_mc_addr(region_desc.base_paddr,
+ error = translate_mc_addr(mc_dev, mc_region_type,
+ region_desc.base_offset,
&regions[i].start);
if (error < 0) {
dev_err(parent_dev,
- "Invalid MC address: %#llx\n",
- region_desc.base_paddr);
+ "Invalid MC offset: %#x (for %s.%d\'s region %d)\n",
+ region_desc.base_offset,
+ obj_desc->type, obj_desc->id, i);
goto error_cleanup_regions;
}
@@ -387,8 +458,7 @@ int fsl_mc_device_add(struct dprc_obj_desc *obj_desc,
mc_io2 = mc_io;
- if (!fsl_mc_bus_type.dev_root)
- fsl_mc_bus_type.dev_root = &mc_dev->dev;
+ atomic_inc(&root_dprc_count);
}
error = get_dprc_icid(mc_io2, obj_desc->id, &mc_dev->icid);
@@ -471,8 +541,12 @@ void fsl_mc_device_remove(struct fsl_mc_device *mc_dev)
mc_dev->mc_io = NULL;
}
- if (&mc_dev->dev == fsl_mc_bus_type.dev_root)
- fsl_mc_bus_type.dev_root = NULL;
+ if (fsl_mc_is_root_dprc(&mc_dev->dev)) {
+ if (atomic_read(&root_dprc_count) > 0)
+ atomic_dec(&root_dprc_count);
+ else
+ WARN_ON(1);
+ }
}
if (mc_bus)
@@ -487,7 +561,7 @@ static int parse_mc_ranges(struct device *dev,
int *mc_addr_cells,
int *mc_size_cells,
const __be32 **ranges_start,
- uint8_t *num_ranges)
+ u8 *num_ranges)
{
const __be32 *prop;
int range_tuple_cell_count;
@@ -535,7 +609,7 @@ static int parse_mc_ranges(struct device *dev,
static int get_mc_addr_translation_ranges(struct device *dev,
struct fsl_mc_addr_translation_range
**ranges,
- uint8_t *num_ranges)
+ u8 *num_ranges)
{
int error;
int paddr_cells;
@@ -574,11 +648,13 @@ static int get_mc_addr_translation_ranges(struct device *dev,
for (i = 0; i < *num_ranges; ++i) {
struct fsl_mc_addr_translation_range *range = &(*ranges)[i];
- range->start_mc_addr = of_read_number(cell, mc_addr_cells);
+ range->mc_region_type = of_read_number(cell, 1);
+ range->start_mc_offset = of_read_number(cell + 1,
+ mc_addr_cells - 1);
cell += mc_addr_cells;
range->start_phys_addr = of_read_number(cell, paddr_cells);
cell += paddr_cells;
- range->end_mc_addr = range->start_mc_addr +
+ range->end_mc_offset = range->start_mc_offset +
of_read_number(cell, mc_size_cells);
cell += mc_size_cells;
@@ -600,7 +676,7 @@ static int fsl_mc_bus_probe(struct platform_device *pdev)
struct fsl_mc_io *mc_io = NULL;
int container_id;
phys_addr_t mc_portal_phys_addr;
- uint32_t mc_portal_size;
+ u32 mc_portal_size;
struct mc_version mc_version;
struct resource res;
@@ -630,7 +706,7 @@ static int fsl_mc_bus_probe(struct platform_device *pdev)
if (error < 0)
return error;
- error = mc_get_version(mc_io, &mc_version);
+ error = mc_get_version(mc_io, 0, &mc_version);
if (error != 0) {
dev_err(&pdev->dev,
"mc_get_version() failed with error %d\n", error);
@@ -661,7 +737,7 @@ static int fsl_mc_bus_probe(struct platform_device *pdev)
if (error < 0)
goto error_cleanup_mc_io;
- error = dpmng_get_container_id(mc_io, &container_id);
+ error = dpmng_get_container_id(mc_io, 0, &container_id);
if (error < 0) {
dev_err(&pdev->dev,
"dpmng_get_container_id() failed: %d\n", error);
@@ -673,6 +749,7 @@ static int fsl_mc_bus_probe(struct platform_device *pdev)
obj_desc.id = container_id;
obj_desc.ver_major = DPRC_VER_MAJOR;
obj_desc.ver_minor = DPRC_VER_MINOR;
+ obj_desc.irq_count = 1;
obj_desc.region_count = 0;
error = fsl_mc_device_add(&obj_desc, mc_io, &pdev->dev, &mc_bus_dev);
@@ -695,7 +772,7 @@ static int fsl_mc_bus_remove(struct platform_device *pdev)
{
struct fsl_mc *mc = platform_get_drvdata(pdev);
- if (WARN_ON(&mc->root_mc_bus_dev->dev != fsl_mc_bus_type.dev_root))
+ if (WARN_ON(!fsl_mc_is_root_dprc(&mc->root_mc_bus_dev->dev)))
return -EINVAL;
fsl_mc_device_remove(mc->root_mc_bus_dev);
@@ -713,6 +790,7 @@ MODULE_DEVICE_TABLE(of, fsl_mc_bus_match_table);
static struct platform_driver fsl_mc_bus_driver = {
.driver = {
.name = "fsl_mc_bus",
+ .owner = THIS_MODULE,
.pm = NULL,
.of_match_table = fsl_mc_bus_match_table,
},
diff --git a/drivers/staging/fsl-mc/bus/mc-sys.c b/drivers/staging/fsl-mc/bus/mc-sys.c
index 5737f599f..6e1489246 100644
--- a/drivers/staging/fsl-mc/bus/mc-sys.c
+++ b/drivers/staging/fsl-mc/bus/mc-sys.c
@@ -34,15 +34,17 @@
#include "../include/mc-sys.h"
#include "../include/mc-cmd.h"
+#include "../include/mc.h"
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/ioport.h>
#include <linux/device.h>
+#include "dpmcp.h"
/**
- * Timeout in jiffies to wait for the completion of an MC command
+ * Timeout in milliseconds to wait for the completion of an MC command
*/
-#define MC_CMD_COMPLETION_TIMEOUT_JIFFIES (HZ / 2) /* 500 ms */
+#define MC_CMD_COMPLETION_TIMEOUT_MS 500
/*
* usleep_range() min and max values used to throttle down polling
@@ -52,7 +54,7 @@
#define MC_CMD_COMPLETION_POLLING_MAX_SLEEP_USECS 500
#define MC_CMD_HDR_READ_CMDID(_hdr) \
- ((uint16_t)mc_dec((_hdr), MC_CMD_HDR_CMDID_O, MC_CMD_HDR_CMDID_S))
+ ((u16)mc_dec((_hdr), MC_CMD_HDR_CMDID_O, MC_CMD_HDR_CMDID_S))
/**
* Creates an MC I/O object
@@ -60,8 +62,8 @@
* @dev: device to be associated with the MC I/O object
* @mc_portal_phys_addr: physical address of the MC portal to use
* @mc_portal_size: size in bytes of the MC portal
- * @resource: Pointer to MC bus object allocator resource associated
- * with this MC I/O object or NULL if none.
+ * @dpmcp-dev: Pointer to the DPMCP object associated with this MC I/O
+ * object or NULL if none.
* @flags: flags for the new MC I/O object
* @new_mc_io: Area to return pointer to newly created MC I/O object
*
@@ -69,10 +71,11 @@
*/
int __must_check fsl_create_mc_io(struct device *dev,
phys_addr_t mc_portal_phys_addr,
- uint32_t mc_portal_size,
- struct fsl_mc_resource *resource,
- uint32_t flags, struct fsl_mc_io **new_mc_io)
+ u32 mc_portal_size,
+ struct fsl_mc_device *dpmcp_dev,
+ u32 flags, struct fsl_mc_io **new_mc_io)
{
+ int error;
struct fsl_mc_io *mc_io;
void __iomem *mc_portal_virt_addr;
struct resource *res;
@@ -85,7 +88,11 @@ int __must_check fsl_create_mc_io(struct device *dev,
mc_io->flags = flags;
mc_io->portal_phys_addr = mc_portal_phys_addr;
mc_io->portal_size = mc_portal_size;
- mc_io->resource = resource;
+ if (flags & FSL_MC_IO_ATOMIC_CONTEXT_PORTAL)
+ spin_lock_init(&mc_io->spinlock);
+ else
+ mutex_init(&mc_io->mutex);
+
res = devm_request_mem_region(dev,
mc_portal_phys_addr,
mc_portal_size,
@@ -108,8 +115,18 @@ int __must_check fsl_create_mc_io(struct device *dev,
}
mc_io->portal_virt_addr = mc_portal_virt_addr;
+ if (dpmcp_dev) {
+ error = fsl_mc_io_set_dpmcp(mc_io, dpmcp_dev);
+ if (error < 0)
+ goto error_destroy_mc_io;
+ }
+
*new_mc_io = mc_io;
return 0;
+
+error_destroy_mc_io:
+ fsl_destroy_mc_io(mc_io);
+ return error;
}
EXPORT_SYMBOL_GPL(fsl_create_mc_io);
@@ -120,6 +137,11 @@ EXPORT_SYMBOL_GPL(fsl_create_mc_io);
*/
void fsl_destroy_mc_io(struct fsl_mc_io *mc_io)
{
+ struct fsl_mc_device *dpmcp_dev = mc_io->dpmcp_dev;
+
+ if (dpmcp_dev)
+ fsl_mc_io_unset_dpmcp(mc_io);
+
devm_iounmap(mc_io->dev, mc_io->portal_virt_addr);
devm_release_mem_region(mc_io->dev,
mc_io->portal_phys_addr,
@@ -130,6 +152,57 @@ void fsl_destroy_mc_io(struct fsl_mc_io *mc_io)
}
EXPORT_SYMBOL_GPL(fsl_destroy_mc_io);
+int fsl_mc_io_set_dpmcp(struct fsl_mc_io *mc_io,
+ struct fsl_mc_device *dpmcp_dev)
+{
+ int error;
+
+ if (WARN_ON(!dpmcp_dev))
+ return -EINVAL;
+
+ if (WARN_ON(mc_io->dpmcp_dev))
+ return -EINVAL;
+
+ if (WARN_ON(dpmcp_dev->mc_io))
+ return -EINVAL;
+
+ error = dpmcp_open(mc_io,
+ 0,
+ dpmcp_dev->obj_desc.id,
+ &dpmcp_dev->mc_handle);
+ if (error < 0)
+ return error;
+
+ mc_io->dpmcp_dev = dpmcp_dev;
+ dpmcp_dev->mc_io = mc_io;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(fsl_mc_io_set_dpmcp);
+
+void fsl_mc_io_unset_dpmcp(struct fsl_mc_io *mc_io)
+{
+ int error;
+ struct fsl_mc_device *dpmcp_dev = mc_io->dpmcp_dev;
+
+ if (WARN_ON(!dpmcp_dev))
+ return;
+
+ if (WARN_ON(dpmcp_dev->mc_io != mc_io))
+ return;
+
+ error = dpmcp_close(mc_io,
+ 0,
+ dpmcp_dev->mc_handle);
+ if (error < 0) {
+ dev_err(&dpmcp_dev->dev, "dpmcp_close() failed: %d\n",
+ error);
+ }
+
+ mc_io->dpmcp_dev = NULL;
+ dpmcp_dev->mc_io = NULL;
+}
+EXPORT_SYMBOL_GPL(fsl_mc_io_unset_dpmcp);
+
static int mc_status_to_error(enum mc_cmd_status status)
{
static const int mc_status_to_error_map[] = {
@@ -224,25 +297,20 @@ static inline enum mc_cmd_status mc_read_response(struct mc_command __iomem *
}
/**
- * Sends an command to the MC device using the given MC I/O object
+ * Waits for the completion of an MC command doing preemptible polling.
+ * uslepp_range() is called between polling iterations.
*
* @mc_io: MC I/O object to be used
- * @cmd: command to be sent
- *
- * Returns '0' on Success; Error code otherwise.
- *
- * NOTE: This function cannot be invoked from from atomic contexts.
+ * @cmd: command buffer to receive MC response
+ * @mc_status: MC command completion status
*/
-int mc_send_command(struct fsl_mc_io *mc_io, struct mc_command *cmd)
+static int mc_polling_wait_preemptible(struct fsl_mc_io *mc_io,
+ struct mc_command *cmd,
+ enum mc_cmd_status *mc_status)
{
enum mc_cmd_status status;
unsigned long jiffies_until_timeout =
- jiffies + MC_CMD_COMPLETION_TIMEOUT_JIFFIES;
-
- /*
- * Send command to the MC hardware:
- */
- mc_write_command(mc_io->portal_virt_addr, cmd);
+ jiffies + msecs_to_jiffies(MC_CMD_COMPLETION_TIMEOUT_MS);
/*
* Wait for response from the MC hardware:
@@ -271,6 +339,90 @@ int mc_send_command(struct fsl_mc_io *mc_io, struct mc_command *cmd)
}
}
+ *mc_status = status;
+ return 0;
+}
+
+/**
+ * Waits for the completion of an MC command doing atomic polling.
+ * udelay() is called between polling iterations.
+ *
+ * @mc_io: MC I/O object to be used
+ * @cmd: command buffer to receive MC response
+ * @mc_status: MC command completion status
+ */
+static int mc_polling_wait_atomic(struct fsl_mc_io *mc_io,
+ struct mc_command *cmd,
+ enum mc_cmd_status *mc_status)
+{
+ enum mc_cmd_status status;
+ unsigned long timeout_usecs = MC_CMD_COMPLETION_TIMEOUT_MS * 1000;
+
+ BUILD_BUG_ON((MC_CMD_COMPLETION_TIMEOUT_MS * 1000) %
+ MC_CMD_COMPLETION_POLLING_MAX_SLEEP_USECS != 0);
+
+ for (;;) {
+ status = mc_read_response(mc_io->portal_virt_addr, cmd);
+ if (status != MC_CMD_STATUS_READY)
+ break;
+
+ udelay(MC_CMD_COMPLETION_POLLING_MAX_SLEEP_USECS);
+ timeout_usecs -= MC_CMD_COMPLETION_POLLING_MAX_SLEEP_USECS;
+ if (timeout_usecs == 0) {
+ pr_debug("MC command timed out (portal: %#llx, obj handle: %#x, command: %#x)\n",
+ mc_io->portal_phys_addr,
+ (unsigned int)
+ MC_CMD_HDR_READ_TOKEN(cmd->header),
+ (unsigned int)
+ MC_CMD_HDR_READ_CMDID(cmd->header));
+
+ return -ETIMEDOUT;
+ }
+ }
+
+ *mc_status = status;
+ return 0;
+}
+
+/**
+ * Sends a command to the MC device using the given MC I/O object
+ *
+ * @mc_io: MC I/O object to be used
+ * @cmd: command to be sent
+ *
+ * Returns '0' on Success; Error code otherwise.
+ */
+int mc_send_command(struct fsl_mc_io *mc_io, struct mc_command *cmd)
+{
+ int error;
+ enum mc_cmd_status status;
+ unsigned long irq_flags = 0;
+
+ if (WARN_ON(in_irq() &&
+ !(mc_io->flags & FSL_MC_IO_ATOMIC_CONTEXT_PORTAL)))
+ return -EINVAL;
+
+ if (mc_io->flags & FSL_MC_IO_ATOMIC_CONTEXT_PORTAL)
+ spin_lock_irqsave(&mc_io->spinlock, irq_flags);
+ else
+ mutex_lock(&mc_io->mutex);
+
+ /*
+ * Send command to the MC hardware:
+ */
+ mc_write_command(mc_io->portal_virt_addr, cmd);
+
+ /*
+ * Wait for response from the MC hardware:
+ */
+ if (!(mc_io->flags & FSL_MC_IO_ATOMIC_CONTEXT_PORTAL))
+ error = mc_polling_wait_preemptible(mc_io, cmd, &status);
+ else
+ error = mc_polling_wait_atomic(mc_io, cmd, &status);
+
+ if (error < 0)
+ goto common_exit;
+
if (status != MC_CMD_STATUS_OK) {
pr_debug("MC command failed: portal: %#llx, obj handle: %#x, command: %#x, status: %s (%#x)\n",
mc_io->portal_phys_addr,
@@ -279,9 +431,17 @@ int mc_send_command(struct fsl_mc_io *mc_io, struct mc_command *cmd)
mc_status_to_string(status),
(unsigned int)status);
- return mc_status_to_error(status);
+ error = mc_status_to_error(status);
+ goto common_exit;
}
- return 0;
+ error = 0;
+common_exit:
+ if (mc_io->flags & FSL_MC_IO_ATOMIC_CONTEXT_PORTAL)
+ spin_unlock_irqrestore(&mc_io->spinlock, irq_flags);
+ else
+ mutex_unlock(&mc_io->mutex);
+
+ return error;
}
EXPORT_SYMBOL(mc_send_command);
diff --git a/drivers/staging/fsl-mc/include/dpbp-cmd.h b/drivers/staging/fsl-mc/include/dpbp-cmd.h
index 1fd70a215..efa9bf33c 100644
--- a/drivers/staging/fsl-mc/include/dpbp-cmd.h
+++ b/drivers/staging/fsl-mc/include/dpbp-cmd.h
@@ -34,7 +34,7 @@
/* DPBP Version */
#define DPBP_VER_MAJOR 2
-#define DPBP_VER_MINOR 0
+#define DPBP_VER_MINOR 1
/* Command IDs */
#define DPBP_CMDID_CLOSE 0x800
diff --git a/drivers/staging/fsl-mc/include/dpbp.h b/drivers/staging/fsl-mc/include/dpbp.h
index 5f3c8e74d..37ed95143 100644
--- a/drivers/staging/fsl-mc/include/dpbp.h
+++ b/drivers/staging/fsl-mc/include/dpbp.h
@@ -38,258 +38,109 @@
struct fsl_mc_io;
-/**
- * dpbp_open() - Open a control session for the specified object.
- * @mc_io: Pointer to MC portal's I/O object
- * @dpbp_id: DPBP unique ID
- * @token: Returned token; use in subsequent API calls
- *
- * This function can be used to open a control session for an
- * already created object; an object may have been declared in
- * the DPL or by calling the dpbp_create function.
- * This function returns a unique authentication token,
- * associated with the specific object ID and the specific MC
- * portal; this token must be used in all subsequent commands for
- * this specific object
- *
- * Return: '0' on Success; Error code otherwise.
- */
-int dpbp_open(struct fsl_mc_io *mc_io, int dpbp_id, uint16_t *token);
+int dpbp_open(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ int dpbp_id,
+ u16 *token);
-/**
- * dpbp_close() - Close the control session of the object
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPBP object
- *
- * After this function is called, no further operations are
- * allowed on the object without opening a new control session.
- *
- * Return: '0' on Success; Error code otherwise.
- */
-int dpbp_close(struct fsl_mc_io *mc_io, uint16_t token);
+int dpbp_close(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token);
/**
- * struct dpbp_cfg() - Structure representing DPBP configuration
+ * struct dpbp_cfg - Structure representing DPBP configuration
* @options: place holder
*/
struct dpbp_cfg {
- uint32_t options;
+ u32 options;
};
-/**
- * dpbp_create() - Create the DPBP object.
- * @mc_io: Pointer to MC portal's I/O object
- * @cfg: Configuration structure
- * @token: Returned token; use in subsequent API calls
- *
- * Create the DPBP object, allocate required resources and
- * perform required initialization.
- *
- * The object can be created either by declaring it in the
- * DPL file, or by calling this function.
- * This function returns a unique authentication token,
- * associated with the specific object ID and the specific MC
- * portal; this token must be used in all subsequent calls to
- * this specific object. For objects that are created using the
- * DPL file, call dpbp_open function to get an authentication
- * token first.
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dpbp_create(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
const struct dpbp_cfg *cfg,
- uint16_t *token);
+ u16 *token);
-/**
- * dpbp_destroy() - Destroy the DPBP object and release all its resources.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPBP object
- *
- * Return: '0' on Success; error code otherwise.
- */
-int dpbp_destroy(struct fsl_mc_io *mc_io, uint16_t token);
+int dpbp_destroy(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token);
-/**
- * dpbp_enable() - Enable the DPBP.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPBP object
- *
- * Return: '0' on Success; Error code otherwise.
- */
-int dpbp_enable(struct fsl_mc_io *mc_io, uint16_t token);
+int dpbp_enable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token);
-/**
- * dpbp_disable() - Disable the DPBP.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPBP object
- *
- * Return: '0' on Success; Error code otherwise.
- */
-int dpbp_disable(struct fsl_mc_io *mc_io, uint16_t token);
+int dpbp_disable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token);
-/**
- * dpbp_is_enabled() - Check if the DPBP is enabled.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPBP object
- * @en: Returns '1' if object is enabled; '0' otherwise
- *
- * Return: '0' on Success; Error code otherwise.
- */
-int dpbp_is_enabled(struct fsl_mc_io *mc_io, uint16_t token, int *en);
+int dpbp_is_enabled(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ int *en);
-/**
- * dpbp_reset() - Reset the DPBP, returns the object to initial state.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPBP object
- *
- * Return: '0' on Success; Error code otherwise.
- */
-int dpbp_reset(struct fsl_mc_io *mc_io, uint16_t token);
+int dpbp_reset(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token);
/**
- * dpbp_set_irq() - Set IRQ information for the DPBP to trigger an interrupt.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPBP object
- * @irq_index: Identifies the interrupt index to configure
- * @irq_addr: Address that must be written to
- * signal a message-based interrupt
- * @irq_val: Value to write into irq_addr address
+ * struct dpbp_irq_cfg - IRQ configuration
+ * @addr: Address that must be written to signal a message-based interrupt
+ * @val: Value to write into irq_addr address
* @user_irq_id: A user defined number associated with this IRQ
- *
- * Return: '0' on Success; Error code otherwise.
*/
+struct dpbp_irq_cfg {
+ u64 addr;
+ u32 val;
+ int user_irq_id;
+};
+
int dpbp_set_irq(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint64_t irq_addr,
- uint32_t irq_val,
- int user_irq_id);
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ struct dpbp_irq_cfg *irq_cfg);
-/**
- * dpbp_get_irq() - Get IRQ information from the DPBP.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPBP object
- * @irq_index: The interrupt index to configure
- * @type: Interrupt type: 0 represents message interrupt
- * type (both irq_addr and irq_val are valid)
- * @irq_addr: Returned address that must be written to
- * signal the message-based interrupt
- * @irq_val: Value to write into irq_addr address
- * @user_irq_id: A user defined number associated with this IRQ
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dpbp_get_irq(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
int *type,
- uint64_t *irq_addr,
- uint32_t *irq_val,
- int *user_irq_id);
+ struct dpbp_irq_cfg *irq_cfg);
-/**
- * dpbp_set_irq_enable() - Set overall interrupt state.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPBP object
- * @irq_index: The interrupt index to configure
- * @en: Interrupt state - enable = 1, disable = 0
- *
- * Allows GPP software to control when interrupts are generated.
- * Each interrupt can have up to 32 causes. The enable/disable control's the
- * overall interrupt state. if the interrupt is disabled no causes will cause
- * an interrupt.
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dpbp_set_irq_enable(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint8_t en);
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u8 en);
-/**
- * dpbp_get_irq_enable() - Get overall interrupt state
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPBP object
- * @irq_index: The interrupt index to configure
- * @en: Returned interrupt state - enable = 1, disable = 0
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dpbp_get_irq_enable(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint8_t *en);
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u8 *en);
-/**
- * dpbp_set_irq_mask() - Set interrupt mask.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPBP object
- * @irq_index: The interrupt index to configure
- * @mask: Event mask to trigger interrupt;
- * each bit:
- * 0 = ignore event
- * 1 = consider event for asserting IRQ
- *
- * Every interrupt can have up to 32 causes and the interrupt model supports
- * masking/unmasking each cause independently
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dpbp_set_irq_mask(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint32_t mask);
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 mask);
-/**
- * dpbp_get_irq_mask() - Get interrupt mask.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPBP object
- * @irq_index: The interrupt index to configure
- * @mask: Returned event mask to trigger interrupt
- *
- * Every interrupt can have up to 32 causes and the interrupt model supports
- * masking/unmasking each cause independently
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dpbp_get_irq_mask(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint32_t *mask);
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 *mask);
-/**
- * dpbp_get_irq_status() - Get the current status of any pending interrupts.
- *
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPBP object
- * @irq_index: The interrupt index to configure
- * @status: Returned interrupts status - one bit per cause:
- * 0 = no interrupt pending
- * 1 = interrupt pending
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dpbp_get_irq_status(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint32_t *status);
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 *status);
-/**
- * dpbp_clear_irq_status() - Clear a pending interrupt's status
- *
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPBP object
- * @irq_index: The interrupt index to configure
- * @status: Bits to clear (W1C) - one bit per cause:
- * 0 = don't change
- * 1 = clear status bit
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dpbp_clear_irq_status(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint32_t status);
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 status);
/**
* struct dpbp_attr - Structure representing DPBP attributes
@@ -306,23 +157,15 @@ struct dpbp_attr {
* @minor: DPBP minor version
*/
struct {
- uint16_t major;
- uint16_t minor;
+ u16 major;
+ u16 minor;
} version;
- uint16_t bpid;
+ u16 bpid;
};
-/**
- * dpbp_get_attributes - Retrieve DPBP attributes.
- *
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPBP object
- * @attr: Returned object's attributes
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dpbp_get_attributes(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
struct dpbp_attr *attr);
/** @} */
diff --git a/drivers/staging/fsl-mc/include/dpcon-cmd.h b/drivers/staging/fsl-mc/include/dpcon-cmd.h
index c878d33bf..536b2ef13 100644
--- a/drivers/staging/fsl-mc/include/dpcon-cmd.h
+++ b/drivers/staging/fsl-mc/include/dpcon-cmd.h
@@ -1,40 +1,40 @@
/* Copyright 2013-2015 Freescale Semiconductor Inc.
-*
-* Redistribution and use in source and binary forms, with or without
-* modification, are permitted provided that the following conditions are met:
-* * Redistributions of source code must retain the above copyright
-* notice, this list of conditions and the following disclaimer.
-* * Redistributions in binary form must reproduce the above copyright
-* notice, this list of conditions and the following disclaimer in the
-* documentation and/or other materials provided with the distribution.
-* * Neither the name of the above-listed copyright holders nor the
-* names of any contributors may be used to endorse or promote products
-* derived from this software without specific prior written permission.
-*
-*
-* ALTERNATIVELY, this software may be distributed under the terms of the
-* GNU General Public License ("GPL") as published by the Free Software
-* Foundation, either version 2 of that License or (at your option) any
-* later version.
-*
-* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
-* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-* POSSIBILITY OF SUCH DAMAGE.
-*/
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of the above-listed copyright holders nor the
+ * names of any contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
#ifndef _FSL_DPCON_CMD_H
#define _FSL_DPCON_CMD_H
/* DPCON Version */
#define DPCON_VER_MAJOR 2
-#define DPCON_VER_MINOR 0
+#define DPCON_VER_MINOR 1
/* Command IDs */
#define DPCON_CMDID_CLOSE 0x800
diff --git a/drivers/staging/fsl-mc/include/dpmng.h b/drivers/staging/fsl-mc/include/dpmng.h
index 1b052b830..e5cfd017f 100644
--- a/drivers/staging/fsl-mc/include/dpmng.h
+++ b/drivers/staging/fsl-mc/include/dpmng.h
@@ -41,11 +41,11 @@ struct fsl_mc_io;
/**
* Management Complex firmware version information
*/
-#define MC_VER_MAJOR 6
+#define MC_VER_MAJOR 8
#define MC_VER_MINOR 0
/**
- * struct mc_versoin
+ * struct mc_version
* @major: Major version number: incremented on API compatibility changes
* @minor: Minor version number: incremented on API additions (that are
* backward compatible); reset when major version is incremented
@@ -53,28 +53,17 @@ struct fsl_mc_io;
* and/or bug fixes that have no impact on API
*/
struct mc_version {
- uint32_t major;
- uint32_t minor;
- uint32_t revision;
+ u32 major;
+ u32 minor;
+ u32 revision;
};
-/**
- * mc_get_version() - Retrieves the Management Complex firmware
- * version information
- * @mc_io: Pointer to opaque I/O object
- * @mc_ver_info: Returned version information structure
- *
- * Return: '0' on Success; Error code otherwise.
- */
-int mc_get_version(struct fsl_mc_io *mc_io, struct mc_version *mc_ver_info);
+int mc_get_version(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ struct mc_version *mc_ver_info);
-/**
- * dpmng_get_container_id() - Get container ID associated with a given portal.
- * @mc_io: Pointer to MC portal's I/O object
- * @container_id: Requested container ID
- *
- * Return: '0' on Success; Error code otherwise.
- */
-int dpmng_get_container_id(struct fsl_mc_io *mc_io, int *container_id);
+int dpmng_get_container_id(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ int *container_id);
#endif /* __FSL_DPMNG_H */
diff --git a/drivers/staging/fsl-mc/include/dprc.h b/drivers/staging/fsl-mc/include/dprc.h
index f1862a78a..c3152f677 100644
--- a/drivers/staging/fsl-mc/include/dprc.h
+++ b/drivers/staging/fsl-mc/include/dprc.h
@@ -32,6 +32,8 @@
#ifndef _FSL_DPRC_H
#define _FSL_DPRC_H
+#include "mc-cmd.h"
+
/* Data Path Resource Container API
* Contains DPRC API for managing and querying DPAA resources
*/
@@ -43,7 +45,7 @@ struct fsl_mc_io;
* container, in case the ICID is not selected by the user and should be
* allocated by the DPRC from the pool of ICIDs.
*/
-#define DPRC_GET_ICID_FROM_POOL (uint16_t)(~(0))
+#define DPRC_GET_ICID_FROM_POOL (u16)(~(0))
/**
* Set this value as the portal_id value in dprc_cfg structure when creating a
@@ -52,29 +54,14 @@ struct fsl_mc_io;
*/
#define DPRC_GET_PORTAL_ID_FROM_POOL (int)(~(0))
-/**
- * dprc_open() - Open DPRC object for use
- * @mc_io: Pointer to MC portal's I/O object
- * @container_id: Container ID to open
- * @token: Returned token of DPRC object
- *
- * Return: '0' on Success; Error code otherwise.
- *
- * @warning Required before any operation on the object.
- */
-int dprc_open(struct fsl_mc_io *mc_io, int container_id, uint16_t *token);
+int dprc_open(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ int container_id,
+ u16 *token);
-/**
- * dprc_close() - Close the control session of the object
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- *
- * After this function is called, no further operations are
- * allowed on the object without opening a new control session.
- *
- * Return: '0' on Success; Error code otherwise.
- */
-int dprc_close(struct fsl_mc_io *mc_io, uint16_t token);
+int dprc_close(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token);
/**
* Container general options
@@ -115,6 +102,9 @@ int dprc_close(struct fsl_mc_io *mc_io, uint16_t token);
/* AIOP - Indicates that container belongs to AIOP. */
#define DPRC_CFG_OPT_AIOP 0x00000020
+/* IRQ Config - Indicates that the container allowed to configure its IRQs. */
+#define DPRC_CFG_OPT_IRQ_CFG_ALLOWED 0x00000040
+
/**
* struct dprc_cfg - Container configuration options
* @icid: Container's ICID; if set to 'DPRC_GET_ICID_FROM_POOL', a free
@@ -122,94 +112,49 @@ int dprc_close(struct fsl_mc_io *mc_io, uint16_t token);
* @portal_id: Portal ID; if set to 'DPRC_GET_PORTAL_ID_FROM_POOL', a free
* portal ID is allocated by the DPRC
* @options: Combination of 'DPRC_CFG_OPT_<X>' options
+ * @label: Object's label
*/
struct dprc_cfg {
- uint16_t icid;
+ u16 icid;
int portal_id;
- uint64_t options;
+ u64 options;
+ char label[16];
};
-/**
- * dprc_create_container() - Create child container
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @cfg: Child container configuration
- * @child_container_id: Returned child container ID
- * @child_portal_paddr: Returned base physical address of the
- * child portal
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dprc_create_container(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
struct dprc_cfg *cfg,
int *child_container_id,
- uint64_t *child_portal_paddr);
+ u64 *child_portal_offset);
-/**
- * dprc_destroy_container() - Destroy child container.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @child_container_id: ID of the container to destroy
- *
- * This function terminates the child container, so following this call the
- * child container ID becomes invalid.
- *
- * Notes:
- * - All resources and objects of the destroyed container are returned to the
- * parent container or destroyed if were created be the destroyed container.
- * - This function destroy all the child containers of the specified
- * container prior to destroying the container itself.
- *
- * warning: Only the parent container is allowed to destroy a child policy
- * Container 0 can't be destroyed
- *
- * Return: '0' on Success; Error code otherwise.
- *
- */
int dprc_destroy_container(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
int child_container_id);
-/**
- * dprc_reset_container - Reset child container.
- * @mc_io: Pointer to MC portal's I/O object
- * @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,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
int child_container_id);
/* IRQ */
+/* IRQ index */
+#define DPRC_IRQ_INDEX 0
+
/* Number of dprc's IRQs */
#define DPRC_NUM_OF_IRQS 1
-/* Object irq events */
+/* DPRC IRQ events */
-/* IRQ event - Indicates that a new object assigned to the container */
+/* IRQ event - Indicates that a new object added to the container */
#define DPRC_IRQ_EVENT_OBJ_ADDED 0x00000001
-/* IRQ event - Indicates that an object was unassigned from the container */
+/* IRQ event - Indicates that an object was removed from the container */
#define DPRC_IRQ_EVENT_OBJ_REMOVED 0x00000002
-/* IRQ event - Indicates that resources assigned to the container */
+/* IRQ event - Indicates that resources added to the container */
#define DPRC_IRQ_EVENT_RES_ADDED 0x00000004
-/* IRQ event - Indicates that resources unassigned from the container */
+/* IRQ event - Indicates that resources removed from the container */
#define DPRC_IRQ_EVENT_RES_REMOVED 0x00000008
/* IRQ event - Indicates that one of the descendant containers that opened by
* this container is destroyed
@@ -225,147 +170,65 @@ int dprc_reset_container(struct fsl_mc_io *mc_io,
#define DPRC_IRQ_EVENT_OBJ_CREATED 0x00000040
/**
- * dprc_set_irq() - Set IRQ information for the DPRC to trigger an interrupt.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @irq_index: Identifies the interrupt index to configure
- * @irq_addr: Address that must be written to
- * signal a message-based interrupt
- * @irq_val: Value to write into irq_addr address
- * @user_irq_id: Returned a user defined number associated with this IRQ
- *
- * Return: '0' on Success; Error code otherwise.
+ * struct dprc_irq_cfg - IRQ configuration
+ * @paddr: Address that must be written to signal a message-based interrupt
+ * @val: Value to write into irq_addr address
+ * @user_irq_id: A user defined number associated with this IRQ
*/
+struct dprc_irq_cfg {
+ u64 paddr;
+ u32 val;
+ int user_irq_id;
+};
+
int dprc_set_irq(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint64_t irq_addr,
- uint32_t irq_val,
- int user_irq_id);
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ struct dprc_irq_cfg *irq_cfg);
-/**
- * dprc_get_irq() - Get IRQ information from the DPRC.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @irq_index: The interrupt index to configure
- * @type: Returned interrupt type: 0 represents message interrupt
- * type (both irq_addr and irq_val are valid)
- * @irq_addr: Returned address that must be written to
- * signal the message-based interrupt
- * @irq_val: Value to write into irq_addr address
- * @user_irq_id: A user defined number associated with this IRQ
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dprc_get_irq(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
int *type,
- uint64_t *irq_addr,
- uint32_t *irq_val,
- int *user_irq_id);
+ struct dprc_irq_cfg *irq_cfg);
-/**
- * dprc_set_irq_enable() - Set overall interrupt state.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @irq_index: The interrupt index to configure
- * @en: Interrupt state - enable = 1, disable = 0
- *
- * Allows GPP software to control when interrupts are generated.
- * Each interrupt can have up to 32 causes. The enable/disable control's the
- * overall interrupt state. if the interrupt is disabled no causes will cause
- * an interrupt.
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dprc_set_irq_enable(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint8_t en);
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u8 en);
-/**
- * dprc_get_irq_enable() - Get overall interrupt state.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @irq_index: The interrupt index to configure
- * @en: Returned interrupt state - enable = 1, disable = 0
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dprc_get_irq_enable(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint8_t *en);
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u8 *en);
-/**
- * dprc_set_irq_mask() - Set interrupt mask.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @irq_index: The interrupt index to configure
- * @mask: event mask to trigger interrupt;
- * each bit:
- * 0 = ignore event
- * 1 = consider event for asserting irq
- *
- * Every interrupt can have up to 32 causes and the interrupt model supports
- * masking/unmasking each cause independently
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dprc_set_irq_mask(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint32_t mask);
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 mask);
-/**
- * dprc_get_irq_mask() - Get interrupt mask.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @irq_index: The interrupt index to configure
- * @mask: Returned event mask to trigger interrupt
- *
- * Every interrupt can have up to 32 causes and the interrupt model supports
- * masking/unmasking each cause independently
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dprc_get_irq_mask(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint32_t *mask);
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 *mask);
-/**
- * dprc_get_irq_status() - Get the current status of any pending interrupts.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @irq_index: The interrupt index to configure
- * @status: Returned interrupts status - one bit per cause:
- * 0 = no interrupt pending
- * 1 = interrupt pending
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dprc_get_irq_status(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint32_t *status);
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 *status);
-/**
- * dprc_clear_irq_status() - Clear a pending interrupt's status
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @irq_index: The interrupt index to configure
- * @status: bits to clear (W1C) - one bit per cause:
- * 0 = don't change
- * 1 = clear status bit
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dprc_clear_irq_status(struct fsl_mc_io *mc_io,
- uint16_t token,
- uint8_t irq_index,
- uint32_t status);
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 status);
/**
* struct dprc_attributes - Container attributes
@@ -377,81 +240,38 @@ int dprc_clear_irq_status(struct fsl_mc_io *mc_io,
*/
struct dprc_attributes {
int container_id;
- uint16_t icid;
+ u16 icid;
int portal_id;
- uint64_t options;
+ u64 options;
/**
* struct version - DPRC version
* @major: DPRC major version
* @minor: DPRC minor version
*/
struct {
- uint16_t major;
- uint16_t minor;
+ u16 major;
+ u16 minor;
} version;
};
-/**
- * dprc_get_attributes() - Obtains container attributes
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @attributes Returned container attributes
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dprc_get_attributes(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
struct dprc_attributes *attributes);
-/**
- * dprc_set_res_quota() - Set allocation policy for a specific resource/object
- * type in a child container
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @child_container_id: ID of the child container
- * @type: Resource/object type
- * @quota: Sets the maximum number of resources of the selected type
- * that the child container is allowed to allocate from its parent;
- * when quota is set to -1, the policy is the same as container's
- * general policy.
- *
- * Allocation policy determines whether or not a container may allocate
- * resources from its parent. Each container has a 'global' allocation policy
- * that is set when the container is created.
- *
- * This function sets allocation policy for a specific resource type.
- * The default policy for all resource types matches the container's 'global'
- * allocation policy.
- *
- * Return: '0' on Success; Error code otherwise.
- *
- * @warning Only the parent container is allowed to change a child policy.
- */
int dprc_set_res_quota(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
int child_container_id,
char *type,
- uint16_t quota);
+ u16 quota);
-/**
- * dprc_get_res_quota() - Gets the allocation policy of a specific
- * resource/object type in a child container
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @child_container_id; ID of the child container
- * @type: resource/object type
- * @quota: Returnes the maximum number of resources of the selected type
- * that the child container is allowed to allocate from the parent;
- * when quota is set to -1, the policy is the same as container's
- * general policy.
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dprc_get_res_quota(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
int child_container_id,
char *type,
- uint16_t *quota);
+ u16 *quota);
/* Resource request options */
@@ -492,106 +312,38 @@ int dprc_get_res_quota(struct fsl_mc_io *mc_io,
*/
struct dprc_res_req {
char type[16];
- uint32_t num;
- uint32_t options;
+ u32 num;
+ u32 options;
int id_base_align;
};
-/**
- * dprc_assign() - Assigns objects or resource to a child container.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @container_id: ID of the child container
- * @res_req: Describes the type and amount of resources to
- * assign to the given container
- *
- * Assignment is usually done by a parent (this DPRC) to one of its child
- * containers.
- *
- * According to the DPRC allocation policy, the assigned resources may be taken
- * (allocated) from the container's ancestors, if not enough resources are
- * available in the container itself.
- *
- * The type of assignment depends on the dprc_res_req options, as follows:
- * - DPRC_RES_REQ_OPT_EXPLICIT: indicates that assigned resources should have
- * the explicit base ID specified at the id_base_align field of res_req.
- * - DPRC_RES_REQ_OPT_ALIGNED: indicates that the assigned resources should be
- * aligned to the value given at id_base_align field of res_req.
- * - DPRC_RES_REQ_OPT_PLUGGED: Relevant only for object assignment,
- * and indicates that the object must be set to the plugged state.
- *
- * A container may use this function with its own ID in order to change a
- * object state to plugged or unplugged.
- *
- * If IRQ information has been set in the child DPRC, it will signal an
- * interrupt following every change in its object assignment.
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dprc_assign(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
int container_id,
struct dprc_res_req *res_req);
-/**
- * dprc_unassign() - Un-assigns objects or resources from a child container
- * and moves them into this (parent) DPRC.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @child_container_id: ID of the child container
- * @res_req: Describes the type and amount of resources to un-assign from
- * the child container
- *
- * Un-assignment of objects can succeed only if the object is not in the
- * plugged or opened state.
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dprc_unassign(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
int child_container_id,
struct dprc_res_req *res_req);
-/**
- * dprc_get_pool_count() - Get the number of dprc's pools
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @pool_count: Returned number of resource pools in the dprc
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dprc_get_pool_count(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
int *pool_count);
-/**
- * dprc_get_pool() - Get the type (string) of a certain dprc's pool
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @pool_index; Index of the pool to be queried (< pool_count)
- * @type: The type of the pool
- *
- * The pool types retrieved one by one by incrementing
- * pool_index up to (not including) the value of pool_count returned
- * from dprc_get_pool_count(). dprc_get_pool_count() must
- * be called prior to dprc_get_pool().
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dprc_get_pool(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
int pool_index,
char *type);
-/**
- * dprc_get_obj_count() - Obtains the number of objects in the DPRC
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @obj_count: Number of objects assigned to the DPRC
- *
- * Return: '0' on Success; Error code otherwise.
- */
-int dprc_get_obj_count(struct fsl_mc_io *mc_io, uint16_t token, int *obj_count);
+int dprc_get_obj_count(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ int *obj_count);
/* Objects Attributes Flags */
@@ -610,50 +362,53 @@ int dprc_get_obj_count(struct fsl_mc_io *mc_io, uint16_t token, int *obj_count);
* @irq_count: Number of interrupts supported by the object
* @region_count: Number of mappable regions supported by the object
* @state: Object state: combination of DPRC_OBJ_STATE_ states
+ * @label: Object label
*/
struct dprc_obj_desc {
char type[16];
int id;
- uint16_t vendor;
- uint16_t ver_major;
- uint16_t ver_minor;
- uint8_t irq_count;
- uint8_t region_count;
- uint32_t state;
+ u16 vendor;
+ u16 ver_major;
+ u16 ver_minor;
+ u8 irq_count;
+ u8 region_count;
+ u32 state;
+ char label[16];
};
-/**
- * dprc_get_obj() - Get general information on an object
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @obj_index: Index of the object to be queried (< obj_count)
- * @obj_desc: Returns the requested object descriptor
- *
- * The object descriptors are retrieved one by one by incrementing
- * obj_index up to (not including) the value of obj_count returned
- * from dprc_get_obj_count(). dprc_get_obj_count() must
- * be called prior to dprc_get_obj().
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dprc_get_obj(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
int obj_index,
struct dprc_obj_desc *obj_desc);
-/**
- * dprc_get_res_count() - Obtains the number of free resources that are assigned
- * to this container, by pool type
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @type: pool type
- * @res_count: Returned number of free resources of the given
- * resource type that are assigned to this DPRC
- *
- * Return: '0' on Success; Error code otherwise.
- */
+int dprc_get_obj_desc(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ char *obj_type,
+ int obj_id,
+ struct dprc_obj_desc *obj_desc);
+
+int dprc_set_obj_irq(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ char *obj_type,
+ int obj_id,
+ u8 irq_index,
+ struct dprc_irq_cfg *irq_cfg);
+
+int dprc_get_obj_irq(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ char *obj_type,
+ int obj_id,
+ u8 irq_index,
+ int *type,
+ struct dprc_irq_cfg *irq_cfg);
+
int dprc_get_res_count(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
char *type,
int *res_count);
@@ -684,115 +439,98 @@ struct dprc_res_ids_range_desc {
enum dprc_iter_status iter_status;
};
-/**
- * dprc_get_res_ids() - Obtains IDs of free resources in the container
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @type: pool type
- * @range_desc: range descriptor
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dprc_get_res_ids(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
char *type,
struct dprc_res_ids_range_desc *range_desc);
+/* Region flags */
+/* Cacheable - Indicates that region should be mapped as cacheable */
+#define DPRC_REGION_CACHEABLE 0x00000001
+
/**
- * dprc_get_portal_paddr() - Get the physical address of MC portals
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @portal_id: MC portal ID
- * @portal_addr: The physical address of the MC portal ID
- *
- * Return: '0' on Success; Error code otherwise.
+ * enum dprc_region_type - Region type
+ * @DPRC_REGION_TYPE_MC_PORTAL: MC portal region
+ * @DPRC_REGION_TYPE_QBMAN_PORTAL: Qbman portal region
*/
-int dprc_get_portal_paddr(struct fsl_mc_io *mc_io,
- uint16_t token,
- int portal_id,
- uint64_t *portal_addr);
+enum dprc_region_type {
+ DPRC_REGION_TYPE_MC_PORTAL,
+ DPRC_REGION_TYPE_QBMAN_PORTAL
+};
/**
* struct dprc_region_desc - Mappable region descriptor
- * @base_paddr: Region base physical address
+ * @base_offset: Region offset from region's base address.
+ * For DPMCP and DPRC objects, region base is offset from SoC MC portals
+ * base address; For DPIO, region base is offset from SoC QMan portals
+ * base address
* @size: Region size (in bytes)
+ * @flags: Region attributes
+ * @type: Portal region type
*/
struct dprc_region_desc {
- uint64_t base_paddr;
- uint32_t size;
+ u32 base_offset;
+ u32 size;
+ u32 flags;
+ enum dprc_region_type type;
};
-/**
- * dprc_get_obj_region() - Get region information for a specified object.
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @obj_type; Object type as returned in dprc_get_obj()
- * @obj_id: Unique object instance as returned in dprc_get_obj()
- * @region_index: The specific region to query
- * @region_desc: Returns the requested region descriptor
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dprc_get_obj_region(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
char *obj_type,
int obj_id,
- uint8_t region_index,
+ u8 region_index,
struct dprc_region_desc *region_desc);
+int dprc_set_obj_label(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ char *obj_type,
+ int obj_id,
+ char *label);
+
/**
* struct dprc_endpoint - Endpoint description for link connect/disconnect
* operations
* @type: Endpoint object type: NULL terminated string
* @id: Endpoint object ID
- * @interface_id: Interface ID; should be set for endpoints with multiple
+ * @if_id: Interface ID; should be set for endpoints with multiple
* interfaces ("dpsw", "dpdmux"); for others, always set to 0
*/
struct dprc_endpoint {
char type[16];
int id;
- int interface_id;
+ int if_id;
};
/**
- * dprc_connect() - Connect two endpoints to create a network link between them
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @endpoint1: Endpoint 1 configuration parameters
- * @endpoint2: Endpoint 2 configuration parameters
- *
- * Return: '0' on Success; Error code otherwise.
+ * struct dprc_connection_cfg - Connection configuration.
+ * Used for virtual connections only
+ * @committed_rate: Committed rate (Mbits/s)
+ * @max_rate: Maximum rate (Mbits/s)
*/
+struct dprc_connection_cfg {
+ u32 committed_rate;
+ u32 max_rate;
+};
+
int dprc_connect(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
const struct dprc_endpoint *endpoint1,
- const struct dprc_endpoint *endpoint2);
+ const struct dprc_endpoint *endpoint2,
+ const struct dprc_connection_cfg *cfg);
-/**
- * dprc_disconnect() - Disconnect one endpoint to remove its network connection
- * @mc_io: Pointer to MC portal's I/O object
- * @token: Token of DPRC object
- * @endpoint: Endpoint configuration parameters
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dprc_disconnect(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
const struct dprc_endpoint *endpoint);
-/**
-* dprc_get_connection() - Get connected endpoint and link status if connection
-* exists.
-* @mc_io Pointer to MC portal's I/O object
-* @token Token of DPRC object
-* @endpoint1 Endpoint 1 configuration parameters
-* @endpoint2 Returned endpoint 2 configuration parameters
-* @state: Returned link state: 1 - link is up, 0 - link is down
-*
-* Return: '0' on Success; -ENAVAIL if connection does not exist.
-*/
int dprc_get_connection(struct fsl_mc_io *mc_io,
- uint16_t token,
+ u32 cmd_flags,
+ u16 token,
const struct dprc_endpoint *endpoint1,
struct dprc_endpoint *endpoint2,
int *state);
diff --git a/drivers/staging/fsl-mc/include/mc-cmd.h b/drivers/staging/fsl-mc/include/mc-cmd.h
index 32501e020..65277e3de 100644
--- a/drivers/staging/fsl-mc/include/mc-cmd.h
+++ b/drivers/staging/fsl-mc/include/mc-cmd.h
@@ -35,21 +35,21 @@
#define MC_CMD_NUM_OF_PARAMS 7
#define MAKE_UMASK64(_width) \
- ((uint64_t)((_width) < 64 ? ((uint64_t)1 << (_width)) - 1 : -1))
+ ((u64)((_width) < 64 ? ((u64)1 << (_width)) - 1 : -1))
-static inline uint64_t mc_enc(int lsoffset, int width, uint64_t val)
+static inline u64 mc_enc(int lsoffset, int width, u64 val)
{
- return (uint64_t)(((uint64_t)val & MAKE_UMASK64(width)) << lsoffset);
+ return (u64)(((u64)val & MAKE_UMASK64(width)) << lsoffset);
}
-static inline uint64_t mc_dec(uint64_t val, int lsoffset, int width)
+static inline u64 mc_dec(u64 val, int lsoffset, int width)
{
- return (uint64_t)((val >> lsoffset) & MAKE_UMASK64(width));
+ return (u64)((val >> lsoffset) & MAKE_UMASK64(width));
}
struct mc_command {
- uint64_t header;
- uint64_t params[MC_CMD_NUM_OF_PARAMS];
+ u64 header;
+ u64 params[MC_CMD_NUM_OF_PARAMS];
};
enum mc_cmd_status {
@@ -67,24 +67,41 @@ enum mc_cmd_status {
MC_CMD_STATUS_INVALID_STATE = 0xC /* Invalid state */
};
+/*
+ * MC command flags
+ */
+
+/* High priority flag */
+#define MC_CMD_FLAG_PRI 0x00008000
+/* Command completion flag */
+#define MC_CMD_FLAG_INTR_DIS 0x01000000
+
+/*
+ * TODO Remove following two defines after completion of flib 8.0.0
+ * integration
+ */
+#define MC_CMD_PRI_LOW 0 /*!< Low Priority command indication */
+#define MC_CMD_PRI_HIGH 1 /*!< High Priority command indication */
+
#define MC_CMD_HDR_CMDID_O 52 /* Command ID field offset */
#define MC_CMD_HDR_CMDID_S 12 /* Command ID field size */
#define MC_CMD_HDR_TOKEN_O 38 /* Token field offset */
#define MC_CMD_HDR_TOKEN_S 10 /* Token field size */
#define MC_CMD_HDR_STATUS_O 16 /* Status field offset */
#define MC_CMD_HDR_STATUS_S 8 /* Status field size*/
-#define MC_CMD_HDR_PRI_O 15 /* Priority field offset */
-#define MC_CMD_HDR_PRI_S 1 /* Priority field size */
+#define MC_CMD_HDR_FLAGS_O 0 /* Flags field offset */
+#define MC_CMD_HDR_FLAGS_S 32 /* Flags field size*/
+#define MC_CMD_HDR_FLAGS_MASK 0xFF00FF00 /* Command flags mask */
#define MC_CMD_HDR_READ_STATUS(_hdr) \
((enum mc_cmd_status)mc_dec((_hdr), \
MC_CMD_HDR_STATUS_O, MC_CMD_HDR_STATUS_S))
#define MC_CMD_HDR_READ_TOKEN(_hdr) \
- ((uint16_t)mc_dec((_hdr), MC_CMD_HDR_TOKEN_O, MC_CMD_HDR_TOKEN_S))
+ ((u16)mc_dec((_hdr), MC_CMD_HDR_TOKEN_O, MC_CMD_HDR_TOKEN_S))
-#define MC_CMD_PRI_LOW 0 /* Low Priority command indication */
-#define MC_CMD_PRI_HIGH 1 /* High Priority command indication */
+#define MC_CMD_HDR_READ_FLAGS(_hdr) \
+ ((u32)mc_dec((_hdr), MC_CMD_HDR_FLAGS_O, MC_CMD_HDR_FLAGS_S))
#define MC_EXT_OP(_ext, _param, _offset, _width, _type, _arg) \
((_ext)[_param] |= mc_enc((_offset), (_width), _arg))
@@ -95,15 +112,16 @@ enum mc_cmd_status {
#define MC_RSP_OP(_cmd, _param, _offset, _width, _type, _arg) \
(_arg = (_type)mc_dec(_cmd.params[_param], (_offset), (_width)))
-static inline uint64_t mc_encode_cmd_header(uint16_t cmd_id,
- uint8_t priority,
- uint16_t token)
+static inline u64 mc_encode_cmd_header(u16 cmd_id,
+ u32 cmd_flags,
+ u16 token)
{
- uint64_t hdr;
+ u64 hdr;
hdr = mc_enc(MC_CMD_HDR_CMDID_O, MC_CMD_HDR_CMDID_S, cmd_id);
+ hdr |= mc_enc(MC_CMD_HDR_FLAGS_O, MC_CMD_HDR_FLAGS_S,
+ (cmd_flags & MC_CMD_HDR_FLAGS_MASK));
hdr |= mc_enc(MC_CMD_HDR_TOKEN_O, MC_CMD_HDR_TOKEN_S, token);
- hdr |= mc_enc(MC_CMD_HDR_PRI_O, MC_CMD_HDR_PRI_S, priority);
hdr |= mc_enc(MC_CMD_HDR_STATUS_O, MC_CMD_HDR_STATUS_S,
MC_CMD_STATUS_READY);
diff --git a/drivers/staging/fsl-mc/include/mc-private.h b/drivers/staging/fsl-mc/include/mc-private.h
index c045f49f2..c706f7786 100644
--- a/drivers/staging/fsl-mc/include/mc-private.h
+++ b/drivers/staging/fsl-mc/include/mc-private.h
@@ -29,25 +29,28 @@
/**
* struct fsl_mc - Private data of a "fsl,qoriq-mc" platform device
* @root_mc_bus_dev: MC object device representing the root DPRC
- * @addr_translation_ranges: array of bus to system address translation ranges
+ * @num_translation_ranges: number of entries in addr_translation_ranges
+ * @translation_ranges: array of bus to system address translation ranges
*/
struct fsl_mc {
struct fsl_mc_device *root_mc_bus_dev;
- uint8_t num_translation_ranges;
+ u8 num_translation_ranges;
struct fsl_mc_addr_translation_range *translation_ranges;
};
/**
* struct fsl_mc_addr_translation_range - bus to system address translation
* range
- * @start_mc_addr: Start MC address of the range being translated
- * @end_mc_addr: MC address of the first byte after the range (last MC
- * address of the range is end_mc_addr - 1)
+ * @mc_region_type: Type of MC region for the range being translated
+ * @start_mc_offset: Start MC offset of the range being translated
+ * @end_mc_offset: MC offset of the first byte after the range (last MC
+ * offset of the range is end_mc_offset - 1)
* @start_phys_addr: system physical address corresponding to start_mc_addr
*/
struct fsl_mc_addr_translation_range {
- uint64_t start_mc_addr;
- uint64_t end_mc_addr;
+ enum dprc_region_type mc_region_type;
+ u64 start_mc_offset;
+ u64 end_mc_offset;
phys_addr_t start_phys_addr;
};
@@ -100,7 +103,7 @@ int dprc_scan_objects(struct fsl_mc_device *mc_bus_dev);
int __init dprc_driver_init(void);
-void __exit dprc_driver_exit(void);
+void dprc_driver_exit(void);
int __init fsl_mc_allocator_driver_init(void);
diff --git a/drivers/staging/fsl-mc/include/mc-sys.h b/drivers/staging/fsl-mc/include/mc-sys.h
index cb3b5a296..c5038cc77 100644
--- a/drivers/staging/fsl-mc/include/mc-sys.h
+++ b/drivers/staging/fsl-mc/include/mc-sys.h
@@ -39,6 +39,13 @@
#include <linux/errno.h>
#include <linux/io.h>
#include <linux/dma-mapping.h>
+#include <linux/mutex.h>
+#include <linux/spinlock.h>
+
+/**
+ * Bit masks for a MC I/O object (struct fsl_mc_io) flags
+ */
+#define FSL_MC_IO_ATOMIC_CONTEXT_PORTAL 0x0001
struct fsl_mc_resource;
struct mc_command;
@@ -50,27 +57,57 @@ struct mc_command;
* @portal_size: MC command portal size in bytes
* @portal_phys_addr: MC command portal physical address
* @portal_virt_addr: MC command portal virtual address
- * @resource: generic resource associated with the MC portal if
- * the MC portal came from a resource pool, or NULL if the MC portal
- * is permanently bound to a device (e.g., a DPRC)
+ * @dpmcp_dev: pointer to the DPMCP device associated with the MC portal.
+ *
+ * Fields are only meaningful if the FSL_MC_IO_ATOMIC_CONTEXT_PORTAL flag is not
+ * set:
+ * @mutex: Mutex to serialize mc_send_command() calls that use the same MC
+ * portal, if the fsl_mc_io object was created with the
+ * FSL_MC_IO_ATOMIC_CONTEXT_PORTAL flag off. mc_send_command() calls for this
+ * fsl_mc_io object must be made only from non-atomic context.
+ *
+ * Fields are only meaningful if the FSL_MC_IO_ATOMIC_CONTEXT_PORTAL flag is
+ * set:
+ * @spinlock: Spinlock to serialize mc_send_command() calls that use the same MC
+ * portal, if the fsl_mc_io object was created with the
+ * FSL_MC_IO_ATOMIC_CONTEXT_PORTAL flag on. mc_send_command() calls for this
+ * fsl_mc_io object can be made from atomic or non-atomic context.
*/
struct fsl_mc_io {
struct device *dev;
- uint32_t flags;
- uint32_t portal_size;
+ u16 flags;
+ u16 portal_size;
phys_addr_t portal_phys_addr;
void __iomem *portal_virt_addr;
- struct fsl_mc_resource *resource;
+ struct fsl_mc_device *dpmcp_dev;
+ union {
+ /*
+ * This field is only meaningful if the
+ * FSL_MC_IO_ATOMIC_CONTEXT_PORTAL flag is not set
+ */
+ struct mutex mutex; /* serializes mc_send_command() */
+
+ /*
+ * This field is only meaningful if the
+ * FSL_MC_IO_ATOMIC_CONTEXT_PORTAL flag is set
+ */
+ spinlock_t spinlock; /* serializes mc_send_command() */
+ };
};
int __must_check fsl_create_mc_io(struct device *dev,
phys_addr_t mc_portal_phys_addr,
- uint32_t mc_portal_size,
- struct fsl_mc_resource *resource,
- uint32_t flags, struct fsl_mc_io **new_mc_io);
+ u32 mc_portal_size,
+ struct fsl_mc_device *dpmcp_dev,
+ u32 flags, struct fsl_mc_io **new_mc_io);
void fsl_destroy_mc_io(struct fsl_mc_io *mc_io);
+int fsl_mc_io_set_dpmcp(struct fsl_mc_io *mc_io,
+ struct fsl_mc_device *dpmcp_dev);
+
+void fsl_mc_io_unset_dpmcp(struct fsl_mc_io *mc_io);
+
int mc_send_command(struct fsl_mc_io *mc_io, struct mc_command *cmd);
#endif /* _FSL_MC_SYS_H */
diff --git a/drivers/staging/fsl-mc/include/mc.h b/drivers/staging/fsl-mc/include/mc.h
index fa02ef052..a933291e4 100644
--- a/drivers/staging/fsl-mc/include/mc.h
+++ b/drivers/staging/fsl-mc/include/mc.h
@@ -59,10 +59,10 @@ struct fsl_mc_driver {
* a MC object device driver. The last entry of the table has vendor set to 0x0
*/
struct fsl_mc_device_match_id {
- uint16_t vendor;
+ u16 vendor;
const char obj_type[16];
- uint32_t ver_major;
- uint32_t ver_minor;
+ u32 ver_major;
+ u32 ver_minor;
};
/**
@@ -148,10 +148,10 @@ struct fsl_mc_resource {
*/
struct fsl_mc_device {
struct device dev;
- uint64_t dma_mask;
- uint16_t flags;
- uint16_t icid;
- uint16_t mc_handle;
+ u64 dma_mask;
+ u16 flags;
+ u16 icid;
+ u16 mc_handle;
struct fsl_mc_io *mc_io;
struct dprc_obj_desc obj_desc;
struct resource *regions;
@@ -182,8 +182,10 @@ int __must_check __fsl_mc_driver_register(struct fsl_mc_driver *fsl_mc_driver,
void fsl_mc_driver_unregister(struct fsl_mc_driver *driver);
+bool fsl_mc_bus_exists(void);
+
int __must_check fsl_mc_portal_allocate(struct fsl_mc_device *mc_dev,
- uint16_t mc_io_flags,
+ u16 mc_io_flags,
struct fsl_mc_io **new_mc_io);
void fsl_mc_portal_free(struct fsl_mc_io *mc_io);