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Complete and fix progress feature implementation for all operations

Browse Source 
Original progress reporting implemented in CB:49643 and it has some
issues, for example:

    size_t start_address = start;
    size_t end_address = len - start;

End address is anything but length minus start address.

    update_progress(flash,
                    FLASHROM_PROGRESS_READ,
                    /*current*/ start - start_address + to_read,
                    /*total*/ end_address);

Total should just be length if that's how current value is computed.

---

libflashrom needs to know total size ahead of time.
That's init_progress() and changed update_progress().

It also needs to store the last current value to be able to update it.
That's stage_progress in flashrom_flashctx.

Measuring accurately amount of data which will be read/erased/written
isn't easy because things can be skipped as optimizations. The next
patch in the chain aims to address this, there are TODO/FIXME
comments there.

---

CLI shares terminal with the rest of the code and has to maintain more
state to handle that reasonably well.

Similar to CB:64668, an effort is made to keep the progress on a
single line. Non-progress output is kept track of to know when
moving to a new line cannot be avoided.

---

A script to test the CLI:

\#!/bin/bash
t=${1:-rewW}
shift

if [[ $t =~ r ]]; then
    echo ">>> READ"
    ./flashrom -p dummy:emulate=W25Q128FV,freq=64mhz -r dump.rom --progress "$@"
    echo
fi

if [[ $t =~ e ]]; then
    echo ">>> ERASE"
    ./flashrom -p dummy:emulate=W25Q128FV,freq=64mhz -E --progress "$@"
    echo
fi

if [[ $t =~ w ]]; then
    echo ">>> WRITE (without erase)"
    dd if=/dev/zero of=zero.rom bs=1M count=16 2> /dev/null
    ./flashrom -p dummy:emulate=W25Q128FV,freq=64mhz -w zero.rom --progress "$@"
    echo
fi

if [[ $t =~ W ]]; then
    echo ">>> WRITE (with erase)"
    dd if=/dev/zero of=zero.rom bs=1M count=16 2> /dev/null
    dd if=/dev/random of=random.rom bs=1M count=16 2> /dev/null
    ./flashrom -p dummy:emulate=W25Q128FV,freq=64mhz,image=random.rom -w zero.rom --progress "$@"
    echo
fi

Co-developed-by: Anastasia Klimchuk <aklm@flashrom.org>
Co-developed-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com>
Change-Id: If1e40fc97f443c4f0c0501cef11cff1f3f84c051
Signed-off-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com>
Signed-off-by: Anastasia Klimchuk <aklm@flashrom.org>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/84102
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>
This commit is contained in:
Anastasia Klimchuk
2024-09-20 23:29:53 +10:00
parent 83ba5e93c1
commit 75dc0655b9
23 changed files with 333 additions and 51 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
include/flash.h
View File

@@ -549,6 +549,11 @@ typedef int (*chip_restore_fn_cb_t)(struct flashctx *flash, void *data);
typedef int (blockprotect_func_t)(struct flashctx *flash);
blockprotect_func_t *lookup_blockprotect_func_ptr(const struct flashchip *const chip);
struct stage_progress {
size_t current;
size_t total;
};
struct flashrom_flashctx {
struct flashchip *chip;
/* FIXME: The memory mappings should be saved in a more structured way. */
@@ -587,6 +592,7 @@ struct flashrom_flashctx {
/* Progress reporting */
flashrom_progress_callback *progress_callback;
struct flashrom_progress *progress_state;
struct stage_progress stage_progress[FLASHROM_PROGRESS_NR];
};
/* Timing used in probe routines. ZERO is -2 to differentiate between an unset
@@ -677,6 +683,12 @@ int write_flash(struct flashctx *flash, const uint8_t *buf, unsigned int start,
*/
#define ERROR_FLASHROM_LIMIT -201
struct cli_progress {
unsigned int stage_pc[FLASHROM_PROGRESS_NR];
unsigned int visible_stages; /* Bitmask of stages with non-zero progress. */
bool stage_setup; /* Flag to know when to reset progress data. */
};
/* cli_common.c */
void print_chip_support_status(const struct flashchip *chip);
@@ -716,7 +728,8 @@ __attribute__((format(printf, 2, 3)));
#define msg_gspew(...) print(FLASHROM_MSG_SPEW, __VA_ARGS__) /* general debug spew */
#define msg_pspew(...) print(FLASHROM_MSG_SPEW, __VA_ARGS__) /* programmer debug spew */
#define msg_cspew(...) print(FLASHROM_MSG_SPEW, __VA_ARGS__) /* chip debug spew */
void update_progress(struct flashctx *flash, enum flashrom_progress_stage stage, size_t current, size_t total);
void init_progress(struct flashctx *flash, enum flashrom_progress_stage stage, size_t total);
void update_progress(struct flashctx *flash, enum flashrom_progress_stage stage, size_t increment);
/* spi.c */
struct spi_command {
@@ -730,4 +743,5 @@ int spi_send_command(const struct flashctx *flash, unsigned int writecnt, unsign
int spi_send_multicommand(const struct flashctx *flash, struct spi_command *cmds);
enum chipbustype get_buses_supported(void);
#endif /* !__FLASH_H__ */