vmscan: split LRU lists into anon & file sets

[safe/jmp/linux-2.6] / include / linux / mmc / core.h

diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index 43a9273..143cebf 100644 (file)
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -25,14 +25,20 @@ struct mmc_command {
 #define MMC_RSP_CRC    (1 << 2)                /* expect valid crc */
 #define MMC_RSP_BUSY   (1 << 3)                /* card may send busy */
 #define MMC_RSP_OPCODE (1 << 4)                /* response contains opcode */
-#define MMC_CMD_MASK   (3 << 5)                /* command type */
+
+#define MMC_CMD_MASK   (3 << 5)                /* non-SPI command type */
 #define MMC_CMD_AC     (0 << 5)
 #define MMC_CMD_ADTC   (1 << 5)
 #define MMC_CMD_BC     (2 << 5)
 #define MMC_CMD_BCR    (3 << 5)
 
+#define MMC_RSP_SPI_S1 (1 << 7)                /* one status byte */
+#define MMC_RSP_SPI_S2 (1 << 8)                /* second byte */
+#define MMC_RSP_SPI_B4 (1 << 9)                /* four data bytes */
+#define MMC_RSP_SPI_BUSY (1 << 10)             /* card may send busy */
+
 /*
- * These are the response types, and correspond to valid bit
+ * These are the native response types, and correspond to valid bit
  * patterns of the above flags.  One additional valid pattern
  * is all zeros, which means we don't expect a response.
  */
@@ -49,6 +55,22 @@ struct mmc_command {
 #define mmc_resp_type(cmd)     ((cmd)->flags & (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC|MMC_RSP_BUSY|MMC_RSP_OPCODE))
 
 /*
+ * These are the SPI response types for MMC, SD, and SDIO cards.
+ * Commands return R1, with maybe more info.  Zero is an error type;
+ * callers must always provide the appropriate MMC_RSP_SPI_Rx flags.
+ */
+#define MMC_RSP_SPI_R1 (MMC_RSP_SPI_S1)
+#define MMC_RSP_SPI_R1B        (MMC_RSP_SPI_S1|MMC_RSP_SPI_BUSY)
+#define MMC_RSP_SPI_R2 (MMC_RSP_SPI_S1|MMC_RSP_SPI_S2)
+#define MMC_RSP_SPI_R3 (MMC_RSP_SPI_S1|MMC_RSP_SPI_B4)
+#define MMC_RSP_SPI_R4 (MMC_RSP_SPI_S1|MMC_RSP_SPI_B4)
+#define MMC_RSP_SPI_R5 (MMC_RSP_SPI_S1|MMC_RSP_SPI_S2)
+#define MMC_RSP_SPI_R7 (MMC_RSP_SPI_S1|MMC_RSP_SPI_B4)
+
+#define mmc_spi_resp_type(cmd) ((cmd)->flags & \
+               (MMC_RSP_SPI_S1|MMC_RSP_SPI_BUSY|MMC_RSP_SPI_S2|MMC_RSP_SPI_B4))
+
+/*
  * These are the command types.
  */
 #define mmc_cmd_type(cmd)      ((cmd)->flags & MMC_CMD_MASK)
@@ -113,8 +135,20 @@ extern int mmc_wait_for_app_cmd(struct mmc_host *, struct mmc_card *,
        struct mmc_command *, int);
 
 extern void mmc_set_data_timeout(struct mmc_data *, const struct mmc_card *);
+extern unsigned int mmc_align_data_size(struct mmc_card *, unsigned int);
 
-extern void mmc_claim_host(struct mmc_host *host);
+extern int __mmc_claim_host(struct mmc_host *host, atomic_t *abort);
 extern void mmc_release_host(struct mmc_host *host);
 
+/**
+ *     mmc_claim_host - exclusively claim a host
+ *     @host: mmc host to claim
+ *
+ *     Claim a host for a set of operations.
+ */
+static inline void mmc_claim_host(struct mmc_host *host)
+{
+       __mmc_claim_host(host, NULL);
+}
+
 #endif